:root {
    --bg-dark: #050505;
    --bg-panel: rgba(15, 15, 15, 0.6);
    --neon-green: #00ff41;
    --neon-glow: rgba(0, 255, 65, 0.4);
    --text-main: #f0f0f0;
    --text-muted: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(0, 255, 65, 0.15);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    overscroll-behavior-y: none;
}

/* Tipografia */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

.neon-text {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-glow);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Botoes */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--neon-green);
    color: #000;
    box-shadow: 0 0 15px var(--neon-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 25px var(--neon-glow), 0 0 5px var(--neon-green) inset;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.btn-outline {
    background: transparent;
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
}

.btn-outline:hover {
    background: rgba(0, 255, 65, 0.1);
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transform: translateZ(0);
    will-change: transform, backdrop-filter;
}

.neon-border {
    position: relative;
}

.neon-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(45deg, transparent, var(--neon-green), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.neon-border:hover::before {
    opacity: 1;
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    transition: background 0.3s ease, padding 0.3s ease;
}

.header.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0, 255, 65, 0.4));
    transition: filter 0.3s ease, transform 0.3s ease;
}

.logo-img:hover {
    filter: drop-shadow(0 0 12px rgba(0, 255, 65, 0.8));
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--neon-green);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO SECTION */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-inline: auto;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.course-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 60px;
    flex-wrap: wrap;
}

.hero-video-wrapper {
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 255, 65, 0.1);
    background: #000;
}

.hero-video-wrapper:after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: 12px;
    box-shadow: inset 0 0 0 1px rgba(0, 255, 65, 0.2);
}

.hero-video {
    width: 100%;
    aspect-ratio: 16/9;
    display: block;
    border: none;
    border-radius: inherit;
}

/* SOCIAL PROOF */
.social-proof {
    padding: 50px 0;
    background: linear-gradient(to right, transparent, rgba(0, 255, 65, 0.03), transparent);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.metric h3 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 5px;
}

.metric p {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* BENEFITS */
.benefits {
    padding: 100px 0;
}

.benefit-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.benefit-row.reversed {
    flex-direction: row-reverse;
}

.benefit-text {
    flex: 1;
}

.benefit-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.benefit-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.benefit-list {
    list-style: none;
}

.benefit-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.neon-icon {
    color: var(--neon-green);
}

.benefit-image {
    flex: 1;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

/* Mocks Visuais */
.mock-ui {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mock-header {
    height: 20px;
    width: 40%;
    background: var(--border-color);
    border-radius: 4px;
}

.mock-line {
    height: 10px;
    width: 100%;
    background: var(--border-color);
    border-radius: 4px;
}

.mock-line.short {
    width: 70%;
}

.mock-btn {
    height: 30px;
    width: 100px;
    background: rgba(0, 255, 65, 0.2);
    border-radius: 4px;
    margin-top: auto;
}

.mock-chart {
    display: flex;
    align-items: flex-end;
    gap: 15px;
    height: 100%;
    width: 100%;
    padding: 20px;
    border-bottom: 2px solid var(--border-color);
    border-left: 2px solid var(--border-color);
}

.bar {
    width: 30%;
    background: var(--neon-green);
    border-radius: 4px 4px 0 0;
    opacity: 0.8;
}

.bar-1 {
    height: 40%;
}

.bar-2 {
    height: 70%;
}

.bar-3 {
    height: 100%;
    background: #fff;
    box-shadow: 0 0 15px var(--neon-glow);
}

/* FEATURES */
.features {
    padding: 100px 0;
    background: radial-gradient(circle at center, rgba(0, 255, 65, 0.05) 0%, transparent 70%);
}

.features-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto 50px;
}

@media (max-width: 768px) {
    .features-grid-2x2 {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: #080808;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 50px 30px 40px;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 255, 65, 0.15);
    box-shadow: 0 10px 30px rgba(0, 255, 65, 0.05);
}

.feature-icon-wrapper {
    margin-bottom: 25px;
}

.neon-svg {
    filter: drop-shadow(0 0 10px rgba(0, 255, 65, 0.6));
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 300px;
    margin: 0 auto;
}

.feature-line {
    width: 35px;
    height: 3px;
    background-color: var(--neon-green);
    margin-top: 30px;
    border-radius: 2px;
    box-shadow: 0 0 8px var(--neon-glow);
}

.features-footer-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    max-width: 700px;
    margin: 0 auto;
    padding: 20px 30px;
    background: #050505;
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.05);
}

.features-footer-banner p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* FAQ */
.faq {
    padding: 100px 0;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 0;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--neon-green);
}

.faq-question .icon {
    color: var(--neon-green);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding-bottom: 20px;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-item.active .icon {
    transform: rotate(45deg);
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0 20px;
    background: #020202;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 15px;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.link-group h4 {
    margin-bottom: 20px;
    color: var(--text-main);
}

.link-group a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--neon-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ANIMATIONS E UTILS */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefit-row,
    .benefit-row.reversed {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .benefit-list li {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
    }
}