:root {
    /* Colors */
    --bg-dark: #070709;
    --bg-card: rgba(20, 20, 24, 0.6);
    --bg-card-border: rgba(212, 175, 55, 0.15);
    
    --gold-primary: #D4AF37;
    --gold-light: #F3E5AB;
    --gold-dark: #AA8529;
    --gold-gradient: linear-gradient(135deg, #D4AF37, #F9F1C8, #D4AF37);
    
    --text-main: #F4F4F5;
    --text-muted: #A1A1AA;
    
    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Effects */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --glass-blur: blur(12px);
    --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography & Utilities */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

.highlight {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--gold-gradient);
    color: #000;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold-primary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--gold-primary);
    border: 1px solid var(--gold-primary);
    padding: 0.75rem 1.5rem;
}

.btn-outline:hover {
    background: var(--gold-primary);
    color: #000;
}

.btn-glow {
    position: relative;
    z-index: 1;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: var(--gold-gradient);
    z-index: -1;
    border-radius: 52px;
    opacity: 0;
    transition: var(--transition-smooth);
    filter: blur(10px);
}

.btn-glow:hover::before {
    opacity: 0.7;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(7, 7, 9, 0.85);
    backdrop-filter: var(--glass-blur);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-gv {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--gold-primary);
    line-height: 1;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-list a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-primary);
    transition: var(--transition-smooth);
}

.nav-list a:hover {
    color: var(--text-main);
}

.nav-list a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
    transform: scale(1.05);
    animation: slowZoom 20s ease-out forwards;
}

@keyframes slowZoom {
    to { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(7, 7, 9, 0.95) 0%, rgba(7, 7, 9, 0.7) 50%, rgba(7, 7, 9, 0.95) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.subtitle {
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero .title {
    font-size: clamp(3.5rem, 6vw, 5.5rem);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero .description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* About Section */
.about {
    padding: 8rem 0;
    background: var(--bg-dark);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gold-primary);
    font-family: var(--font-serif);
}

.stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.about-glass {
    position: relative;
    border-radius: 24px;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: var(--glass-blur);
}

.about-image {
    width: 100%;
    border-radius: 16px;
    display: block;
    filter: grayscale(20%) contrast(1.1);
}

/* Course Section */
.course {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a0c 100%);
}

.course-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.course-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.course-visual {
    position: relative;
}

.course-img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.floating-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gold-gradient);
    color: #000;
    padding: 1.5rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-gold);
    animation: float 6s ease-in-out infinite;
}

.floating-badge span {
    font-weight: 800;
    font-size: 1.2rem;
}

.floating-badge small {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    opacity: 0.8;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 32px;
    padding: 4rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.glass-card h3 {
    font-size: 2rem;
    margin-bottom: 2.5rem;
    font-family: var(--font-serif);
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.features-list li {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.features-list .icon {
    font-size: 1.5rem;
    background: rgba(212, 175, 55, 0.1);
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-main);
}

.feature-text span {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.course-cta {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2.5rem;
    text-align: center;
}

.price-notice {
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.course-cta .btn {
    width: 100%;
}

/* Products Section */
.products {
    padding: 8rem 0;
    position: relative;
    background: var(--bg-dark);
}

.products::before {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.products-container {
    text-align: center;
    max-width: 800px;
}

.logo-viana {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.butterfly {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.logo-viana h2 {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    letter-spacing: 4px;
    color: var(--gold-primary);
}

.logo-viana .light {
    font-weight: 300;
    color: var(--text-main);
}

.products-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

/* Footer */
.footer {
    background: #040405;
    padding: 6rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1.5rem;
    max-width: 300px;
}

.footer h4 {
    color: var(--text-main);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-link:hover {
    color: var(--gold-primary);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    color: var(--gold-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations & Scroll Reveal */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUpAnim 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeUpAnim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .about-container, .course-grid, .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero .title {
        font-size: 3rem;
    }
    
    .nav-list {
        display: none;
    }
    
    .glass-card {
        padding: 2.5rem;
    }
    
    .floating-badge {
        right: 20px;
        bottom: -20px;
    }
}

@media (max-width: 768px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }
}