/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta Dark Theme – Azul Tecnológico */
    /* BACKGROUNDS */
    --bg-primary: #0B0F23;
    --bg-secondary: #131A36;
    --bg-tertiary: #1E2551;
    
    /* TEXTOS */
    --text-primary: #ffffff;
    --text-secondary: #A2B0CF;
    --text-muted: #6E7A9A;
    
    /* CORES DE DESTAQUE (CTAs) */
    --accent-primary: #ffffff;
    --accent-secondary: #0413ecb9;
    --accent-hover: #d9e5f5;
    
    /* BORDAS & SOMBRAS */
    --border-color: rgba(218, 221, 226, 0.25);
    --shadow-glow: rgba(255, 255, 255, 0.2);
    --shadow-dark: rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    margin: auto;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: #FAFAFA;
    overflow: auto;
    background: linear-gradient(315deg, rgba(8, 20, 47, 1) 3%, rgba(13, 42, 87, 1) 38%, rgba(15, 52, 116, 1) 68%, rgba(8, 32, 77, 1) 98%);
    animation: gradient 15s ease infinite;
    background-size: 400% 400%;
    background-attachment: fixed;
}

@keyframes gradient {
    0% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 100% 100%;
    }
    100% {
        background-position: 0% 0%;
    }
}

.wave {
    background: rgba(30, 70, 150, 0.25);
    border-radius: 1000% 1000% 0 0;
    position: fixed;
    width: 200%;
    height: 12em;
    animation: wave 10s -3s linear infinite;
    transform: translate3d(0, 0, 0);
    opacity: 0.8;
    bottom: 0;
    left: 0;
    z-index: -1;
}

.wave:nth-of-type(2) {
    bottom: -1.25em;
    animation: wave 18s linear reverse infinite;
    opacity: 0.8;
}

.wave:nth-of-type(3) {
    bottom: -2.5em;
    animation: wave 20s -1s reverse infinite;
    opacity: 0.9;
}

@keyframes wave {
    2% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-25%);
    }

    50% {
        transform: translateX(-50%);
    }

    75% {
        transform: translateX(-25%);
    }

    100% {
        transform: translateX(0);
    }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: #FAFAFA;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-primary);
}

strong {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 3rem);
    width: 100%;
}

section {
    padding: clamp(4rem, 10vw, 7rem) 0;
    position: relative;
}

.section-alt {
    background-color: transparent;
}

.section-cta {
    background: transparent;
    text-align: center;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-base);
    overflow-x: hidden;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px var(--shadow-dark);
    background-color: rgba(11, 15, 35, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.nav-wrapper {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: clamp(0.5rem, 1.2vw, 0.75rem) 0;
    gap: 1rem;
}

.navbar .container {
    padding-left: clamp(1.5rem, 4vw, 3rem);
    padding-right: clamp(1.5rem, 4vw, 3rem);
}

.logo {
    justify-self: start;
    margin-left: 0;
}

.logo-img {
    height: clamp(50px, 8vw, 70px);
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-countdown {
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--border-color);
    flex-shrink: 0;
    white-space: nowrap;
}

/* ============================================
   COUNTDOWN TIMER
   ============================================ */

.countdown-timer {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    min-width: fit-content;
}

.countdown-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1;
}

.countdown-time {
    font-size: 1.1rem;
    color: #FF4444;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.5px;
    text-shadow: 0 0 8px rgba(255, 68, 68, 0.5);
    white-space: nowrap;
    line-height: 1;
}

.countdown-time.warning {
    color: #FF0000;
    animation: countdown-pulse 1s ease-in-out infinite;
    text-shadow: 0 0 12px rgba(255, 0, 0, 0.8);
}

.countdown-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    opacity: 0.7;
    margin-left: 0.5rem;
    animation: countdown-btn-pulse 2s ease-in-out infinite;
}

.countdown-btn:hover {
    opacity: 1;
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-primary);
    transform: translateY(-1px);
    animation: none;
}

@keyframes countdown-btn-pulse {
    0%, 100% {
        opacity: 0.7;
        border-color: rgba(0, 212, 255, 0.3);
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
    }
    50% {
        opacity: 0.85;
        border-color: rgba(0, 212, 255, 0.5);
        box-shadow: 0 0 8px 0 rgba(0, 212, 255, 0.6);
    }
}

@keyframes countdown-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================
   NOTIFICATIONS
   ============================================ */

.notification-container {
    position: fixed;
    top: clamp(90px, 11vw, 105px);
    right: 20px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
    max-width: 320px;
}

.notification {
    background: rgba(19, 47, 76, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.notification-text {
    flex: 1;
    line-height: 1.4;
}

.notification-name {
    color: var(--accent-primary);
    font-weight: 600;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-top: 0.25rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
    justify-self: end;
}

/* Mobile Sidebar - Hidden on desktop */
/* Mobile Sidebar - Hidden on desktop */
.mobile-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 9999;
}

.sidebar-close {
    display: none;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: clamp(1rem, 2vw, 2rem);
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
    justify-self: center;
    margin: 0 auto;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--accent-primary);
}

.nav-link:hover::after {
    width: 80%;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: clamp(90px, 12vw, 110px);
    padding-bottom: var(--spacing-xl);
    background: transparent;
    margin-top: clamp(20px, 2vw, 30px);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
    gap: clamp(1rem, 2.5vw, 1.5rem);
    width: 100%;
    position: relative;
    z-index: 1;
}

/* ============================================
   TECH BACKGROUND - Removido para manter apenas o novo background
   ============================================ */

.tech-background-wrapper {
    display: none;
}

.hero-headline {
    font-family: 'Poppins', sans-serif;
    margin-bottom: 0;
    color: #FAFAFA;
    animation: fadeInUp 0.8s ease;
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    text-transform: uppercase;
}

.hero-video {
    width: 100%;
    max-width: 1920px;
    margin: clamp(0.5rem, 1.5vw, 1rem) auto;
    animation: fadeInUp 1s ease;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* Aspect Ratio 16:9 (1920x1080) */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 15px 50px var(--shadow-dark), 0 0 30px var(--shadow-glow);
    border: 3px solid var(--border-color);
    transition: all var(--transition-base);
}

.video-wrapper:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 20px 60px var(--shadow-dark), 0 0 40px var(--shadow-glow);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
    width: 100%;
    animation: fadeInUp 1.2s ease;
    padding: 0 clamp(1rem, 3vw, 2rem);
    gap: clamp(1.5rem, 4vw, 2rem);
}

.hero-subheadline {
    font-size: clamp(1.15rem, 2.8vw, 1.45rem);
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.8;
    text-align: center;
    width: 100%;
}

.hero-support {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    text-align: center;
    width: 100%;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn > * {
    position: relative;
    z-index: 2;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--accent-primary) 100%);
    background-size: 200% 200%;
    color: white;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 102, 255, 0.4), 0 4px 15px var(--shadow-glow);
    animation: pulse-intense 1.5s ease-in-out infinite, shimmer 3s linear infinite;
    border: 2px solid rgba(0, 212, 255, 0.5);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s linear infinite;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.8), 0 0 60px rgba(0, 102, 255, 0.6), 0 8px 25px var(--shadow-glow);
    color: white;
    animation: pulse-intense-hover 1s ease-in-out infinite, shimmer 2s linear infinite;
    border-color: rgba(0, 212, 255, 0.8);
}

@keyframes pulse-intense {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 102, 255, 0.4), 0 4px 15px var(--shadow-glow);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.9), 0 0 60px rgba(0, 102, 255, 0.7), 0 0 80px rgba(0, 212, 255, 0.3), 0 6px 20px var(--shadow-glow);
        transform: scale(1.02);
    }
}

@keyframes pulse-intense-hover {
    0%, 100% {
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.8), 0 0 60px rgba(0, 102, 255, 0.6), 0 8px 25px var(--shadow-glow);
        transform: translateY(-3px) scale(1.05);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 1), 0 0 80px rgba(0, 102, 255, 0.8), 0 0 100px rgba(0, 212, 255, 0.4), 0 10px 30px var(--shadow-glow);
        transform: translateY(-3px) scale(1.08);
    }
}

@keyframes shimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* ============================================
   SECTIONS
   ============================================ */

.section-title {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    margin-bottom: clamp(2.5rem, 6vw, 4rem);
    color: #FAFAFA;
    position: relative;
    padding-bottom: var(--spacing-md);
    font-weight: 600;
    letter-spacing: -0.02em;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-transform: uppercase;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    line-height: 1.2;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: clamp(3rem, 7vw, 4.5rem);
    font-size: clamp(1.05rem, 2.2vw, 1.2rem);
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.content-text {
    max-width: 850px;
    margin: 0 auto;
    font-size: clamp(1.05rem, 2.2vw, 1.2rem);
    line-height: 1.8;
    color: var(--text-secondary);
}

.content-text p {
    margin-bottom: var(--spacing-md);
}

.content-text p:last-child {
    margin-bottom: 0;
}

.content-text > *:first-child {
    margin-top: 0;
}

.highlight {
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    color: var(--accent-primary);
    text-align: center;
    margin: clamp(2rem, 5vw, 3rem) 0;
    padding: clamp(1.5rem, 4vw, 2rem);
    background: rgba(0, 212, 255, 0.08);
    border-left: 3px solid var(--accent-primary);
    border-radius: 10px;
    line-height: 1.7;
    font-weight: 500;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

.key-insight {
    font-size: 1.3rem;
    color: var(--accent-primary);
    text-align: center;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.15);
    border-radius: 8px;
}

/* ============================================
   LISTS
   ============================================ */

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problem-section {
    text-align: center;
}

.section-intro {
    font-size: clamp(1.15rem, 2.5vw, 1.35rem);
    color: var(--text-secondary);
    margin-bottom: clamp(3rem, 7vw, 4.5rem);
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    text-align: center;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: clamp(1rem, 3vw, 1.5rem);
    margin: clamp(3rem, 7vw, 5rem) 0;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.problem-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: clamp(1.25rem, 3vw, 1.75rem);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 140px;
    justify-content: center;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.problem-card:hover::before {
    left: 100%;
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(0, 212, 255, 0.2);
    background: transparent;
}

.problem-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto clamp(0.75rem, 2vw, 1rem);
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 212, 255, 0.2);
    flex-shrink: 0;
}

.problem-card:hover .problem-icon {
    transform: scale(1.05);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
}

.problem-card h3 {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    color: var(--text-primary);
    margin: 0;
    font-weight: 500;
    line-height: 1.4;
}

.problem-content {
    max-width: 900px;
    margin: clamp(3.5rem, 8vw, 5.5rem) auto 0;
    text-align: center;
}

.problem-text-box {
    margin-bottom: clamp(2rem, 5vw, 3rem);
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.problem-text-main {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
    line-height: 1.6;
    white-space: nowrap;
}

.problem-explanation-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1rem, 3vw, 1.5rem);
    margin-bottom: clamp(2rem, 5vw, 3rem);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.explanation-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    text-align: left;
    padding: clamp(1rem, 2.5vw, 1.25rem);
    border-radius: 10px;
    transition: all var(--transition-base);
}

.explanation-item:hover {
    background: rgba(0, 212, 255, 0.05);
    transform: translateY(-2px);
}

.explanation-icon {
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: bold;
    min-width: 30px;
    text-align: center;
    line-height: 1.5;
}

.explanation-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    flex: 1;
}

.highlight-item {
    grid-column: 1 / -1;
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    border: none;
    background: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.highlight-item .explanation-icon {
    color: var(--accent-primary);
    font-size: 1.8rem;
}

.highlight-item p {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.15rem;
    margin: 0;
}

.highlight-item p strong {
    color: var(--accent-primary);
    font-size: 1.2em;
}

.problem-highlight {
    background: rgba(0, 212, 255, 0.08);
    border-left: 3px solid var(--accent-primary);
    border-radius: 12px;
    padding: clamp(2rem, 5vw, 2.5rem);
    margin-top: clamp(2rem, 5vw, 3rem);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto clamp(1rem, 3vw, 1.5rem);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 102, 255, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 15px var(--shadow-glow);
}

.highlight-icon svg {
    width: 28px;
    height: 28px;
}

.highlight-text {
    font-size: clamp(1.15rem, 2.5vw, 1.35rem);
    color: var(--accent-primary);
    margin-bottom: clamp(0.75rem, 2vw, 1rem);
    font-weight: 600;
    line-height: 1.7;
}

.highlight-text:last-of-type {
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.problem-highlight {
    text-align: center;
}

.btn-highlight {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--accent-primary) 100%);
    background-size: 200% 200%;
    color: white;
    border: 2px solid rgba(0, 212, 255, 0.5);
    position: relative;
    overflow: hidden;
    margin-top: var(--spacing-md);
    font-weight: 600;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 102, 255, 0.4), 0 4px 15px var(--shadow-glow);
    animation: pulse-intense 1.5s ease-in-out infinite, shimmer 3s linear infinite;
}

.btn-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s linear infinite;
    z-index: 1;
}

.btn-highlight:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.8), 0 0 60px rgba(0, 102, 255, 0.6), 0 8px 25px var(--shadow-glow);
    color: white;
    animation: pulse-intense-hover 1s ease-in-out infinite, shimmer 2s linear infinite;
    border-color: rgba(0, 212, 255, 0.8);
}

@keyframes btn-pulse {
    0%, 100% {
        box-shadow: 0 4px 20px var(--shadow-glow), 0 0 15px rgba(0, 212, 255, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px var(--shadow-glow), 0 0 20px rgba(0, 212, 255, 0.6);
    }
}

@keyframes btn-pulse-hover {
    0%, 100% {
        box-shadow: 0 6px 30px var(--shadow-glow), 0 0 25px rgba(0, 212, 255, 0.6);
    }
    50% {
        box-shadow: 0 6px 35px var(--shadow-glow), 0 0 30px rgba(0, 212, 255, 0.8);
    }
}

.feature-list,
.benefit-list,
.check-list {
    list-style: none;
    margin: clamp(1.5rem, 4vw, 2.5rem) 0;
    padding-left: 0;
}

.feature-list li,
.benefit-list li,
.check-list li {
    padding: clamp(0.5rem, 1.5vw, 0.75rem) 0;
    padding-left: clamp(1.5rem, 4vw, 2rem);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: clamp(1rem, 2vw, 1.1rem);
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.check-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* ============================================
   CONCEITO CARDS
   ============================================ */

.conceito-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: clamp(2rem, 5vw, 3rem);
    max-width: 1100px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
    align-items: stretch;
    width: 100%;
}

.conceito-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: clamp(2.5rem, 6vw, 3rem);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.conceito-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.conceito-card:hover::before {
    left: 100%;
}

.conceito-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(0, 212, 255, 0.2);
}

.conceito-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto clamp(1.25rem, 3vw, 1.75rem);
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.conceito-card-icon svg {
    width: 36px;
    height: 36px;
}

.conceito-card:hover .conceito-card-icon {
    transform: scale(1.05);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.conceito-card-title {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    color: #FAFAFA;
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
}

.conceito-card-text {
    color: var(--text-primary);
    font-size: clamp(1.1rem, 2.4vw, 1.25rem);
    line-height: 1.8;
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    text-align: center;
    font-weight: 500;
}

.conceito-card-text:last-of-type {
    margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.conceito-card-subtitle {
    color: var(--accent-primary);
    font-size: clamp(1.1rem, 2.4vw, 1.25rem);
    line-height: 1.8;
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    text-align: center;
    font-weight: 600;
}

.conceito-list {
    list-style: none;
    padding: 0;
    margin: 0 auto clamp(1.5rem, 4vw, 2rem) auto;
    text-align: center;
    max-width: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.conceito-list li {
    padding: clamp(0.75rem, 2vw, 1rem) 0;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
    padding-left: clamp(1.75rem, 4vw, 2.25rem);
    text-align: left;
    width: fit-content;
    transition: color var(--transition-fast);
}

.conceito-list li:hover {
    color: var(--text-primary);
}

.conceito-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: clamp(0.625rem, 1.8vw, 0.875rem);
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.3em;
    line-height: 1;
}

.conceito-card-highlight {
    margin-top: clamp(2rem, 5vw, 2.5rem);
    padding-top: clamp(1.75rem, 4.5vw, 2.25rem);
    margin-bottom: 0;
    text-align: center;
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    color: var(--accent-primary);
    font-weight: 600;
    line-height: 1.8;
    border-top: 2px solid var(--border-color);
    background: rgba(0, 212, 255, 0.05);
    padding: clamp(1.5rem, 4vw, 2rem);
    border-radius: 12px;
}

.conceito-card-highlight strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.conceito-card-divider {
    margin-top: clamp(2.5rem, 6vw, 3rem);
    padding-top: clamp(2rem, 5vw, 2.5rem);
    border-top: 1px solid var(--border-color);
}

.conceito-card-divider .conceito-card-icon {
    margin-top: 0;
}

/* ============================================
   PREÇO SECTION
   ============================================ */

.preco-badge {
    position: absolute;
    top: clamp(1rem, 2.5vw, 1.5rem);
    right: clamp(1rem, 2.5vw, 1.5rem);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: clamp(0.5rem, 1.2vw, 0.75rem) clamp(1.25rem, 3vw, 1.75rem);
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 50px;
    color: var(--accent-primary);
    font-size: clamp(0.75rem, 1.8vw, 0.9rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
    z-index: 10;
}

.preco-badge svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.preco-content {
    max-width: 1000px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.preco-card {
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: clamp(2.5rem, 6vw, 3.5rem);
    width: 100%;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.5rem, 6vw, 4rem);
    align-items: start;
}

.preco-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.preco-card:hover::before {
    left: 100%;
}

.preco-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.2), 0 0 30px rgba(0, 212, 255, 0.1);
}

.preco-card-left {
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 4vw, 2rem);
}

.preco-features-title {
    font-family: 'Poppins', sans-serif;
    color: #FAFAFA;
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    font-weight: 600;
    margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
    text-transform: uppercase;
}

.preco-description {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    line-height: 1.6;
    margin: 0 0 clamp(1.5rem, 3vw, 2rem) 0;
}

.preco-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2.5vw, 1.25rem);
}

.preco-features-list li {
    display: flex;
    align-items: flex-start;
    gap: clamp(0.75rem, 2vw, 1rem);
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    line-height: 1.6;
}

.preco-check-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: rgba(0, 212, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 2px solid rgba(0, 212, 255, 0.3);
    flex-shrink: 0;
}

.preco-check-icon svg {
    width: 14px;
    height: 14px;
}

.preco-security {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: clamp(1.5rem, 4vw, 2rem);
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.preco-security svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.preco-card-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
    padding-left: clamp(1.5rem, 4vw, 2rem);
    border-left: 1px solid var(--border-color);
}

.preco-old-price {
    margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

.preco-old-price span {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    text-decoration: line-through;
    opacity: 0.7;
}

.preco-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin: clamp(1rem, 2.5vw, 1.5rem) 0;
    line-height: 1;
}

.preco-currency {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--accent-primary);
    font-weight: 600;
    align-self: flex-start;
    margin-top: 0.2em;
}

.preco-amount {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(3.5rem, 9vw, 5.5rem);
    color: white;
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.preco-cents {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: white;
    font-weight: 600;
    align-self: flex-end;
    margin-bottom: 0.1em;
}

.preco-payment {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    margin: clamp(1rem, 2.5vw, 1.5rem) 0;
    opacity: 0.8;
}

.preco-cta {
    margin-top: clamp(1.5rem, 4vw, 2rem);
    width: 100%;
    max-width: 100%;
}

/* ============================================
   AUTORIDADE CARDS
   ============================================ */

.autoridade-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: clamp(2rem, 5vw, 3rem);
    max-width: 1100px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
    align-items: stretch;
    width: 100%;
}

.autoridade-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: clamp(2.5rem, 6vw, 3rem);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.autoridade-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.autoridade-card:hover::before {
    left: 100%;
}

.autoridade-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(0, 212, 255, 0.2);
}

.autoridade-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto clamp(1.25rem, 3vw, 1.75rem);
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.autoridade-card-icon svg {
    width: 36px;
    height: 36px;
}

.autoridade-card:hover .autoridade-card-icon {
    transform: scale(1.05);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.autoridade-card-title {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    color: #FAFAFA;
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
}

.autoridade-card-text {
    color: var(--text-secondary);
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
    line-height: 1.75;
    margin: 0 0 clamp(0.875rem, 2vw, 1.125rem) 0;
    text-align: center;
}

.autoridade-card-text:last-of-type {
    margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.autoridade-card-subtitle {
    color: var(--text-primary);
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
    line-height: 1.75;
    margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
    text-align: center;
    font-weight: 500;
}

.autoridade-card-quote {
    color: var(--accent-primary);
    font-size: clamp(1.15rem, 2.8vw, 1.3rem);
    line-height: 1.7;
    margin: clamp(1rem, 2.5vw, 1.5rem) 0;
    text-align: center;
    font-weight: 600;
    font-style: italic;
    padding: clamp(1rem, 2.5vw, 1.5rem);
    background: rgba(0, 212, 255, 0.08);
    border-radius: 10px;
    border-left: 3px solid var(--accent-primary);
}

.autoridade-card-stats {
    color: var(--text-primary);
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    line-height: 1.75;
    margin: clamp(1rem, 2.5vw, 1.5rem) 0;
    text-align: center;
    font-weight: 500;
}

.autoridade-card-stats strong {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.1em;
}

.autoridade-list {
    list-style: none;
    padding: 0;
    margin: 0 auto clamp(1.5rem, 4vw, 2rem) auto;
    text-align: left;
    max-width: 100%;
    width: 100%;
}

.autoridade-list li {
    padding: clamp(0.625rem, 1.8vw, 0.875rem) 0;
    padding-left: clamp(2rem, 5vw, 2.5rem);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
}

.autoridade-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: clamp(0.625rem, 1.8vw, 0.875rem);
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.3em;
    line-height: 1;
}

.autoridade-card-highlight {
    margin-top: auto;
    padding-top: clamp(1.75rem, 4.5vw, 2.25rem);
    margin-bottom: 0;
    text-align: center;
    font-size: clamp(1.15rem, 2.8vw, 1.3rem);
    color: var(--accent-primary);
    font-weight: 500;
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
}

.autoridade-card-highlight strong {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ============================================
   PROBLEMA CARDS
   ============================================ */

.problema-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: clamp(2rem, 5vw, 3rem);
    max-width: 1100px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
    align-items: stretch;
    width: 100%;
}

.problema-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: clamp(2.5rem, 6vw, 3rem);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.problema-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.problema-card:hover::before {
    left: 100%;
}

.problema-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(0, 212, 255, 0.2);
}

.problema-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto clamp(1.25rem, 3vw, 1.75rem);
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.problema-card-icon svg {
    width: 36px;
    height: 36px;
}

.problema-card:hover .problema-card-icon {
    transform: scale(1.05);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.problema-card-title {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    color: #FAFAFA;
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
}

.problema-card-text {
    color: var(--text-secondary);
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
    line-height: 1.75;
    margin: 0 0 clamp(0.875rem, 2vw, 1.125rem) 0;
    text-align: center;
}

.problema-card-quote {
    color: var(--accent-primary);
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    line-height: 1.7;
    margin: clamp(1rem, 2.5vw, 1.5rem) 0;
    text-align: center;
    font-weight: 600;
    padding: clamp(1rem, 2.5vw, 1.5rem);
    background: rgba(0, 212, 255, 0.08);
    border-radius: 10px;
    border-left: 3px solid var(--accent-primary);
}

.problema-explanations {
    margin: clamp(1.25rem, 3vw, 1.75rem) 0;
    display: flex;
    flex-direction: column;
    gap: clamp(0.75rem, 2vw, 1rem);
}

.problema-explanation-item {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1rem);
    padding: clamp(0.75rem, 2vw, 1rem);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    text-align: left;
}

.problema-explanation-icon {
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.problema-explanation-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.6;
}

.problema-card-highlight {
    margin-top: auto;
    padding-top: clamp(1.75rem, 4.5vw, 2.25rem);
    margin-bottom: 0;
    text-align: center;
    font-size: clamp(1.15rem, 2.8vw, 1.3rem);
    color: var(--accent-primary);
    font-weight: 500;
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
}

.problema-card-highlight strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.problema-card-cta {
    margin-top: clamp(1.25rem, 3vw, 1.75rem);
    text-align: center;
}

/* ============================================
   AULA CARDS
   ============================================ */

.aula-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: clamp(2rem, 5vw, 3rem);
    max-width: 1100px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
    align-items: stretch;
    width: 100%;
}

.aula-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: clamp(2.5rem, 6vw, 3rem);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.aula-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.aula-card:hover::before {
    left: 100%;
}

.aula-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(0, 212, 255, 0.2);
}

.aula-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto clamp(1.25rem, 3vw, 1.75rem);
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.aula-card-icon svg {
    width: 36px;
    height: 36px;
}

.aula-card:hover .aula-card-icon {
    transform: scale(1.05);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.aula-card-title {
    font-family: 'Poppins', sans-serif;
    text-align: center;
    color: #FAFAFA;
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
}

.aula-card-text {
    color: var(--text-secondary);
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
    line-height: 1.75;
    margin: 0 0 clamp(0.875rem, 2vw, 1.125rem) 0;
    text-align: center;
}

.aula-card-subtitle {
    color: var(--text-primary);
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
    line-height: 1.75;
    margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
    text-align: center;
    font-weight: 500;
}

.aula-list {
    list-style: none;
    padding: 0;
    margin: 0 auto clamp(1.5rem, 4vw, 2rem) auto;
    text-align: left;
    max-width: 100%;
    width: 100%;
}

.aula-list li {
    padding: clamp(0.625rem, 1.8vw, 0.875rem) 0;
    padding-left: clamp(2rem, 5vw, 2.5rem);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: clamp(1.05rem, 2.2vw, 1.15rem);
}

.aula-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    top: clamp(0.625rem, 1.8vw, 0.875rem);
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.3em;
    line-height: 1;
}

.aula-approach {
    margin: clamp(1.25rem, 3vw, 1.75rem) 0;
    display: flex;
    flex-direction: column;
    gap: clamp(0.75rem, 2vw, 1rem);
}

.aula-approach-item {
    padding: clamp(0.875rem, 2vw, 1.125rem);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    text-align: center;
    color: var(--text-secondary);
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.6;
    margin: 0;
}

.aula-approach-item.highlight-approach {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-primary);
    font-weight: 600;
    border-left: 3px solid var(--accent-primary);
}

.aula-card-highlight {
    margin-top: auto;
    padding-top: clamp(1.75rem, 4.5vw, 2.25rem);
    margin-bottom: 0;
    text-align: center;
    font-size: clamp(1.15rem, 2.8vw, 1.3rem);
    color: var(--accent-primary);
    font-weight: 500;
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
}

.aula-card-highlight strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.aula-card-cta {
    margin-top: clamp(1.25rem, 3vw, 1.75rem);
    text-align: center;
}

/* ============================================
   GARANTIA SECTION
   ============================================ */

.garantia-content {
    max-width: 900px;
    margin: clamp(2rem, 5vw, 3rem) auto 0;
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 5vw, 2.5rem);
    align-items: center;
}

.garantia-main-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: clamp(2rem, 5vw, 2.5rem);
    text-align: center;
    max-width: 700px;
    width: 100%;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.garantia-main-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.garantia-main-card:hover::before {
    left: 100%;
}

.garantia-main-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15), 0 0 0 1px rgba(0, 212, 255, 0.2);
}

.garantia-icon-large {
    width: 72px;
    height: 72px;
    margin: 0 auto clamp(1rem, 2.5vw, 1.5rem);
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
}

.garantia-main-card:hover .garantia-icon-large {
    transform: scale(1.05);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.garantia-icon-large svg {
    width: 36px;
    height: 36px;
}

.garantia-title {
    font-family: 'Poppins', sans-serif;
    color: #FAFAFA;
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
}

.garantia-text {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    line-height: 1.75;
    margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
}

.garantia-highlight {
    margin-top: clamp(1.25rem, 3vw, 1.75rem);
    padding-top: clamp(1.25rem, 3vw, 1.75rem);
    border-top: 1px solid var(--border-color);
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    color: var(--accent-primary);
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 0;
}

.garantia-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: clamp(1rem, 3vw, 1.5rem);
    width: 100%;
    max-width: 900px;
}

.garantia-badge-item {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: clamp(1.25rem, 3vw, 1.5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    transition: all var(--transition-base);
    text-align: center;
}

.garantia-badge-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.15);
    background: transparent;
}

.garantia-badge-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-base);
}

.garantia-badge-item:hover .garantia-badge-icon {
    transform: scale(1.08);
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

.garantia-badge-icon svg {
    width: 24px;
    height: 24px;
}

.garantia-badge-text {
    color: var(--text-primary);
    font-size: clamp(0.9rem, 2vw, 1.05rem);
    font-weight: 500;
    line-height: 1.4;
}

/* ============================================
   TWO COLUMNS LAYOUT
   ============================================ */

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.subtitle {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

/* ============================================
   CTA BOX
   ============================================ */

.cta-box {
    text-align: center;
    margin-top: clamp(2.5rem, 6vw, 3.5rem);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   DEPOIMENTOS / VIDEOS GRID
   ============================================ */

/* ============================================
   DEPOIMENTOS SECTION - Premium & Conversion
   ============================================ */

.depoimentos-section {
    position: relative;
    overflow: hidden;
}

.depoimentos-header {
    text-align: center;
    margin-bottom: clamp(3rem, 7vw, 4.5rem);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.depoimentos-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 50px;
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0;
    animation: fadeInUp 0.6s ease;
}

.depoimentos-badge svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.depoimentos-title {
    margin-bottom: 1.5rem;
}

.depoimentos-title .highlight-accent {
    color: #FAFAFA;
}

.depoimentos-subtitle {
    font-size: clamp(1.0625rem, 2.2vw, 1.1875rem);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.depoimentos-subtitle strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 4vw, 2.5rem);
    margin-top: clamp(3rem, 7vw, 4.5rem);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    justify-items: center;
}

.video-card.premium-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease, transform 0.6s ease;
    background: transparent;
    aspect-ratio: 9/16;
    position: relative;
    opacity: 1;
    transform: translateY(0);
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

.video-card.premium-card.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

.video-card.premium-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.3), rgba(0, 192, 255, 0.3), rgba(0, 102, 255, 0.3));
    background-size: 200% 200%;
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: borderGlow 3s ease-in-out infinite;
}

.video-card.premium-card:hover::before {
    opacity: 1;
}

.video-card.premium-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 16px 48px rgba(0, 102, 255, 0.25),
        0 0 0 1px rgba(0, 102, 255, 0.4),
        0 0 40px rgba(0, 192, 255, 0.15);
    border-color: rgba(0, 102, 255, 0.5);
}

.video-card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: rgba(11, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 102, 255, 0.4);
    border-radius: 50px;
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.video-card.premium-card:hover .video-card-badge {
    background: rgba(0, 102, 255, 0.15);
    border-color: rgba(0, 102, 255, 0.6);
    transform: scale(1.05);
}

.video-card-badge svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.video-card .video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: transparent;
}

.video-card .video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 20px;
}


.depoimentos-footer {
    margin-top: clamp(3rem, 7vw, 4.5rem);
    text-align: center;
}

.depoimentos-note {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 12px;
    color: var(--accent-primary);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: none;
    margin: 0 auto;
    white-space: nowrap;
}

.depoimentos-note svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

@keyframes borderGlow {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ============================================
   FAQ
   ============================================ */

.faq-list {
    max-width: 850px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
}

.faq-item {
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
    background: transparent;
    border-radius: 12px;
    border-left: 3px solid var(--accent-primary);
    transition: all var(--transition-base);
    overflow: hidden;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    color: #FAFAFA;
    padding: clamp(1.25rem, 3vw, 1.75rem);
    font-size: clamp(1.1rem, 2vw, 1.2rem);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

.faq-question:hover {
    color: var(--accent-hover);
    background: rgba(0, 212, 255, 0.05);
}

.faq-question:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: -2px;
}

.faq-question span {
    flex: 1;
    line-height: 1.4;
}

.faq-icon {
    flex-shrink: 0;
    color: var(--accent-primary);
    transition: transform var(--transition-base);
    width: 20px;
    height: 20px;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item.active .faq-question {
    background: rgba(0, 212, 255, 0.08);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
}

.faq-answer p {
    margin: 0;
    padding: 0 clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 1.75rem);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: 0;
}

/* ============================================
   SOCIAL BUTTONS
   ============================================ */

/* ============================================
   CONTATO SECTION
   ============================================ */

.contato-content {
    max-width: 1100px;
    margin: clamp(3rem, 7vw, 4.5rem) auto 0;
    display: flex;
    flex-direction: column;
    gap: clamp(3rem, 7vw, 4rem);
    align-items: center;
}

.contato-header {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.contato-icon-large {
    width: 100px;
    height: 100px;
    margin: 0 auto clamp(1.5rem, 4vw, 2rem);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 102, 255, 0.15));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    border: 2px solid rgba(0, 212, 255, 0.3);
    transition: all var(--transition-base);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

.contato-icon-large svg {
    width: 50px;
    height: 50px;
}

.contato-subtitle {
    font-family: 'Poppins', sans-serif;
    color: #FAFAFA;
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem) 0;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
}

.contato-text {
    color: var(--text-secondary);
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    line-height: 1.8;
    margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
}

.contato-text-highlight {
    color: var(--accent-primary);
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    font-weight: 600;
    line-height: 1.7;
    margin: clamp(1.25rem, 3vw, 1.75rem) 0 0 0;
}

.social-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1.5rem, 4vw, 2rem);
    width: 100%;
    max-width: 1000px;
}

.social-card {
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: clamp(1.5rem, 3.5vw, 2rem);
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.5vw, 1.5rem);
    text-decoration: none;
    min-height: 100px;
    background: transparent;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s ease;
    z-index: 0;
}

.social-card:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(4, 19, 236, 0.15);
}

.social-card:hover::before {
    left: 100%;
}

.social-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-card-icon svg {
    width: 32px;
    height: 32px;
    color: white;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-card:hover .social-card-icon {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.08);
}

.social-card:hover .social-card-icon svg {
    transform: scale(1.15);
}

.social-card-content {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.social-card-title {
    color: white;
    font-size: clamp(1.2rem, 2.8vw, 1.4rem);
    font-weight: 700;
    margin: 0 0 clamp(0.5rem, 1.5vw, 0.75rem) 0;
    line-height: 1.2;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-card:hover .social-card-title {
    transform: translateX(4px);
}

.social-card-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    margin: 0;
    line-height: 1.4;
    white-space: nowrap;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.05s;
}

.social-card:hover .social-card-text {
    transform: translateX(4px);
    color: rgba(255, 255, 255, 1);
}


/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-base);
    color: white !important;
    text-decoration: none;
}

.whatsapp-float.visible {
    opacity: 1;
    transform: scale(1);
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    animation: none;
    color: white !important;
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    display: block;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    color: white !important;
}

.whatsapp-float svg path {
    fill: white !important;
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4),
                    0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4),
                    0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4),
                    0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: transparent;
    padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3rem);
    color: var(--text-secondary);
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-security {
    margin-bottom: clamp(2.5rem, 6vw, 3.5rem);
    text-align: center;
}

.footer-security h3 {
    color: var(--accent-primary);
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
}

.security-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(1rem, 3vw, 1.5rem);
    margin-bottom: 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.security-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: transparent;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    min-width: 140px;
}

.security-badge:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.15);
}

.security-badge svg {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.security-badge span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-payment {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.footer-payment h3 {
    color: var(--accent-primary);
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.payment-methods {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.payment-methods span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.footer-copyright {
    text-align: center;
    padding-top: clamp(2rem, 5vw, 3rem);
    margin-top: clamp(2rem, 5vw, 3rem);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: clamp(0.85rem, 2vw, 0.95rem);
}

.footer-copyright p {
    margin: 0 0 clamp(0.5rem, 1.5vw, 0.75rem) 0;
}

.footer-copyright p:last-child {
    margin-bottom: 0;
}

.footer-dev {
    font-size: clamp(0.8rem, 1.9vw, 0.9rem);
    color: var(--text-secondary);
    margin-top: clamp(0.75rem, 2vw, 1rem);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    letter-spacing: 0.2px;
}

.footer-dev-label {
    color: var(--text-secondary);
    opacity: 0.9;
}

.footer-dev-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: #ffffff;
    text-decoration: none;
    transition: all var(--transition-fast);
    opacity: 1;
    line-height: 1;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
    font-weight: 600;
}

.footer-dev-link:hover {
    color: var(--accent-primary);
    border-color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.16);
    transform: translateY(-1px);
    text-decoration: none;
}

.footer-dev-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
    margin: 0;
    padding: 0;
}

.footer-dev-link:hover .footer-dev-logo {
    transform: scale(1.05);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Otimização Mobile - Reduzir efeitos para performance */
@media (max-width: 968px) {
    .tech-grid-layer {
        background-size: 60px 60px;
        animation-duration: 50s;
    }
    
    .tech-gradient-layer {
        animation-duration: 30s;
    }
    
    .tech-glow-layer::before,
    .tech-glow-layer::after {
        width: 200px;
        height: 200px;
        filter: blur(40px);
    }
    
    .tech-glow-layer::after {
        width: 250px;
        height: 250px;
    }
    
    .hero-content {
        gap: var(--spacing-sm);
    }
    
    .hero-headline {
        max-width: 100%;
        padding: 0 var(--spacing-xs);
        font-size: clamp(1.6rem, 4vw, 2.4rem);
    }
    
    .hero-text {
        max-width: 100%;
        padding: 0 var(--spacing-xs);
    }
    
    .hero-video {
        max-width: 100%;
    }
    
    .problem-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--spacing-sm);
    }
    
    .problem-card {
        padding: var(--spacing-md);
    }
    
    .problem-icon {
        width: 56px;
        height: 56px;
    }
    
    .problem-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .two-columns {
        grid-template-columns: 1fr;
    }
    
    .videos-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: clamp(1rem, 3vw, 1.5rem);
    }
    
    .video-card.premium-card {
        max-width: 100%;
        border-radius: 16px;
    }
    
    .video-card .video-wrapper {
        border-radius: 16px;
    }
    
    .video-card-badge {
        top: 0.75rem;
        right: 0.75rem;
        font-size: 0.7rem;
        padding: 0.3rem 0.625rem;
    }
    
    .depoimentos-note {
        flex-direction: row;
        text-align: left;
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
        white-space: nowrap;
    }
    
    .conceito-cards,
    .autoridade-cards,
    .problema-cards,
    .aula-cards {
        grid-template-columns: 1fr;
        gap: clamp(1.5rem, 4vw, 2rem);
    }
    
    .preco-card {
        grid-template-columns: 1fr;
        gap: clamp(2rem, 5vw, 2.5rem);
    }
    
    .preco-card-right {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-top: clamp(2rem, 5vw, 2.5rem);
    }
    
    /* ============================================
       MOBILE NAVIGATION - SIDEBAR
       ============================================ */
    
    /* Navbar Container */
    .navbar .container {
        padding-left: clamp(1rem, 3vw, 1.5rem);
        padding-right: clamp(1rem, 3vw, 1.5rem);
    }
    
    /* Nav Wrapper */
    .nav-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: clamp(0.75rem, 2vw, 1rem) 0;
    }
    
    /* Logo */
    .logo {
        z-index: 1002;
        position: relative;
    }
    
    .logo-img {
        height: clamp(45px, 8vw, 60px);
        transition: transform var(--transition-fast);
    }
    
    .logo:hover .logo-img {
        transform: scale(1.05);
    }
    
    /* Menu Toggle Button */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        gap: 5px;
        z-index: 1002;
        position: relative;
        transition: transform var(--transition-fast);
    }
    
    .menu-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background-color: var(--accent-primary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Mobile Menu - Hidden on desktop */
    .nav-menu {
        display: none;
    }
    
    /* Mobile Sidebar Menu - Show on mobile */
    .mobile-sidebar {
        display: block !important;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        z-index: 9999;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        pointer-events: none;
    }
    
    .mobile-sidebar.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    
    /* Sidebar Close Button */
    .sidebar-close {
        display: flex !important;
        position: fixed;
        top: 1.5rem;
        right: 1.5rem;
        width: 44px;
        height: 44px;
        background: rgba(255, 255, 255, 0.15);
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s ease;
        z-index: 10000;
        color: white;
        padding: 0;
        pointer-events: auto;
    }
    
    .sidebar-close:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.4);
        transform: rotate(90deg) scale(1.1);
    }
    
    .sidebar-close:active {
        transform: rotate(90deg) scale(0.95);
    }
    
    .sidebar-close svg {
        width: 20px;
        height: 20px;
        stroke: currentColor;
    }
    
    /* Sidebar Content */
    .sidebar-content {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        min-height: 100vh;
        padding: 5rem 2rem 2rem;
        text-align: center;
        gap: 2rem;
        position: relative;
        z-index: 1;
        overflow-y: auto;
    }
    
    /* Sidebar Title */
    .sidebar-title {
        font-family: 'Poppins', sans-serif;
        font-size: clamp(1.8rem, 5vw, 2.5rem);
        font-weight: 700;
        color: white !important;
        margin: 0;
        text-transform: uppercase;
        letter-spacing: 1px;
        line-height: 1.2;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        animation: fadeInUp 0.6s ease 0.1s both;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    /* Sidebar Image */
    .sidebar-image {
        width: 80px;
        height: 80px;
        margin: 0 auto;
        animation: fadeInUp 0.6s ease 0.2s both;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .sidebar-img {
        width: 80px;
        height: 80px;
        object-fit: contain;
        border-radius: 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        transition: transform 0.3s ease;
        display: block !important;
        opacity: 1 !important;
    }
    
    .sidebar-img:hover {
        transform: scale(1.05);
    }
    
    /* Sidebar Navigation Links */
    .sidebar-nav {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        animation: fadeInUp 0.6s ease 0.3s both;
    }
    
    .sidebar-nav-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }
    
    .sidebar-nav-list li {
        margin: 0;
        padding: 0;
        width: 100%;
    }
    
    .sidebar-nav-link {
        display: block;
        width: 100%;
        padding: 1rem 1.5rem;
        color: rgba(255, 255, 255, 0.9) !important;
        font-size: clamp(1rem, 3vw, 1.1rem);
        font-weight: 500;
        text-decoration: none;
        text-align: center;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .sidebar-nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: left 0.5s ease;
    }
    
    .sidebar-nav-link:hover::before {
        left: 100%;
    }
    
    .sidebar-nav-link:hover,
    .sidebar-nav-link:focus {
        color: white !important;
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(0, 212, 255, 0.5);
        transform: translateX(5px);
        box-shadow: 0 4px 12px rgba(0, 212, 255, 0.2);
    }
    
    .sidebar-nav-link:active {
        transform: translateX(3px) scale(0.98);
    }
    
    /* Sidebar CTA Button */
    .sidebar-cta {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 1.25rem 2rem;
        font-size: clamp(1rem, 3vw, 1.1rem);
        font-weight: 600;
        text-align: center;
        border-radius: 50px;
        background: linear-gradient(135deg, #ffffff 0%, rgba(4, 19, 236, 0.7) 50%, #ffffff 100%);
        background-size: 200% 200%;
        color: white !important;
        text-decoration: none;
        border: 2px solid rgba(0, 212, 255, 0.5);
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 102, 255, 0.4), 0 4px 15px rgba(255, 255, 255, 0.2);
        animation: pulse-intense 1.5s ease-in-out infinite, shimmer 3s linear infinite, fadeInUp 0.6s ease 0.4s both;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .sidebar-cta::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        transform: rotate(45deg);
        animation: shine 3s linear infinite;
        z-index: 1;
    }
    
    .sidebar-cta:hover {
        transform: translateY(-3px) scale(1.05);
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.8), 0 0 60px rgba(0, 102, 255, 0.6), 0 8px 25px rgba(255, 255, 255, 0.3);
        animation: pulse-intense-hover 1s ease-in-out infinite, shimmer 2s linear infinite;
        border-color: rgba(0, 212, 255, 0.8);
    }
    
    .sidebar-cta > * {
        position: relative;
        z-index: 2;
    }
    
    /* Overlay quando menu está aberto */
    .nav-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1000;
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
    }
    
    .nav-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    /* Reduzir animações no mobile para melhor performance */
    .tech-grid-layer {
        opacity: 0.2;
        animation: none;
    }
    
    .tech-glow-layer::before,
    .tech-glow-layer::after {
        animation-duration: 25s;
    }
    
    section {
        padding: clamp(3rem, 8vw, 4rem) 0;
    }
    
    .container {
        padding: 0 clamp(1.25rem, 4vw, 2rem);
    }
    
    .hero {
        min-height: auto;
        padding-top: clamp(90px, 12vw, 110px);
        padding-bottom: clamp(3rem, 8vw, 4rem);
        margin-top: clamp(20px, 2vw, 30px);
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .problem-card {
        padding: clamp(1rem, 3vw, 1.25rem);
        min-height: 120px;
    }
    
    .problem-card h3 {
        font-size: 1rem;
    }
    
    .problem-icon {
        width: 48px;
        height: 48px;
    }
    
    .problem-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .problem-text-box {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .problem-text-main {
        white-space: normal;
    }
    
    .problem-explanation-box {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .explanation-item {
        flex-direction: row;
        text-align: left;
    }
    
    .highlight-item {
        grid-column: 1;
        margin-top: 0;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
        color: white !important;
    }
    
    .whatsapp-float svg {
        width: 24px;
        height: 24px;
        display: block;
        margin: 0;
        padding: 0;
        flex-shrink: 0;
        color: white !important;
    }
    
    .whatsapp-float svg path {
        fill: white !important;
    }
    
    .notification-container {
        top: clamp(80px, 10vw, 95px);
        right: 15px;
        max-width: 280px;
    }
    
    .notification {
        padding: 0.625rem 0.875rem;
        font-size: 0.8rem;
    }
    
    .notification-icon {
        width: 18px;
        height: 18px;
    }
    
    .social-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .contato-content {
        gap: clamp(2rem, 5vw, 2.5rem);
    }
    
    .contato-icon-large {
        width: 80px;
        height: 80px;
    }
    
    .contato-icon-large svg {
        width: 40px;
        height: 40px;
    }
    
    .social-cards {
        grid-template-columns: 1fr;
        gap: clamp(1.25rem, 3vw, 1.75rem);
    }
    
    .social-card {
        padding: clamp(1.5rem, 3.5vw, 2rem);
    }
    
    .social-card-icon {
        width: 64px;
        height: 64px;
    }
    
    .social-card-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .social-card-title,
    .social-card-text {
        white-space: normal;
    }
    
    .security-badges {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .security-badge {
        min-width: auto;
        flex: 1;
    }
    
    .payment-methods {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 clamp(1rem, 3vw, 1.5rem);
    }
    
    section {
        padding: clamp(2.5rem, 7vw, 3.5rem) 0;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .problem-card {
        min-height: 110px;
    }
    
    .btn {
        width: 100%;
        padding: clamp(0.875rem, 2.5vw, 1rem) clamp(1.25rem, 4vw, 1.5rem);
    }
    
    .content-text {
        font-size: clamp(0.95rem, 2vw, 1.05rem);
    }
    
    .section-title {
        margin-bottom: clamp(2rem, 5vw, 2.5rem);
    }
    
    .section-intro {
        margin-bottom: clamp(2rem, 5vw, 2.5rem);
    }
    
    .security-badges {
        display: grid;
        grid-template-columns: 1fr;
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .social-btn {
        padding: clamp(0.875rem, 2.5vw, 1rem) clamp(1.25rem, 4vw, 1.5rem);
        font-size: clamp(0.9rem, 2vw, 0.95rem);
        min-width: 100%;
    }
    
    .social-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        gap: clamp(1.5rem, 4vw, 2rem);
    }
    
    .video-card.premium-card {
        max-width: 350px;
    }
    
    .conceito-cards,
    .autoridade-cards,
    .problema-cards,
    .aula-cards {
        grid-template-columns: 1fr;
        gap: clamp(1.5rem, 4vw, 2rem);
    }
    
    .conceito-card,
    .autoridade-card,
    .problema-card,
    .aula-card {
        padding: clamp(2rem, 5vw, 2.5rem);
    }
    
    .preco-card {
        grid-template-columns: 1fr;
        gap: clamp(2rem, 5vw, 2.5rem);
    }
    
    .preco-card-right {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-top: clamp(2rem, 5vw, 2.5rem);
    }
    
    .conceito-card-icon,
    .autoridade-card-icon,
    .problema-card-icon,
    .aula-card-icon {
        width: 64px;
        height: 64px;
    }
    
    .conceito-card-icon svg,
    .autoridade-card-icon svg,
    .problema-card-icon svg,
    .aula-card-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .garantia-badges {
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(0.75rem, 2vw, 1rem);
    }
    
    .garantia-main-card {
        padding: clamp(1.5rem, 4vw, 2rem);
    }
    
    .garantia-icon-large {
        width: 64px;
        height: 64px;
    }
    
    .garantia-icon-large svg {
        width: 32px;
        height: 32px;
    }
    
    .garantia-badge-item {
        padding: clamp(1rem, 2.5vw, 1.25rem);
    }
    
    .garantia-badge-icon {
        width: 40px;
        height: 40px;
    }
    
    .garantia-badge-icon svg {
        width: 20px;
        height: 20px;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    /* Desabilitar animações de background para acessibilidade */
    .tech-gradient-layer,
    .tech-grid-layer,
    .tech-glow-layer::before,
    .tech-glow-layer::after {
        animation: none !important;
        opacity: 0.3;
    }
}

/* Focus styles for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}