/* ========================================
   BTG - Bit Gold Website
   Black & Gold Theme
   ======================================== */

/* CSS Variables */
:root {
    --gold-primary: #D4AF37;
    --gold-light: #F4E5B2;
    --gold-dark: #B8960C;
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F4E5B2 50%, #D4AF37 100%);
    
    --black-primary: #0A0A0A;
    --black-light: #1A1A1A;
    --black-lighter: #2A2A2A;
    --black-card: #141414;
    
    --white: #FFFFFF;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #CCCCCC;
    --gray-400: #999999;
    --gray-500: #666666;
    
    --font-display: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.3);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--black-primary);
    color: var(--gray-200);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--white);
}

.lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray-300);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 4px;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--black-primary);
}

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

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

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    font-size: 1.5rem;
    color: var(--gold-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray-300);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--gold-primary);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 60%, rgba(212, 175, 55, 0.05) 0%, transparent 30%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 3.5rem;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.hero-badge:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--gold-primary);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3), 0 0 40px rgba(212, 175, 55, 0.1);
    transform: translateY(-2px) scale(1.02);
    color: var(--gold-light);
}

.hero-title {
    font-size: clamp(4rem, 15vw, 10rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    color: var(--white);
}

.title-line.gold {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 2rem;
}

.btn-x {
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-x svg {
    width: 20px;
    height: 20px;
}

.hero-ca {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 4rem;
    padding: 0.75rem 1.5rem;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.85rem;
}

.ca-label {
    color: var(--gold-primary);
    font-weight: 600;
}

.ca-address {
    color: var(--gray-300);
    user-select: all;
    cursor: pointer;
}

.ca-address:hover {
    color: var(--white);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--gold-primary);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(212, 175, 55, 0.3);
}

/* ========================================
   How to Buy Section
   ======================================== */
.how-to-buy {
    background: var(--black-light);
}

.buy-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.buy-step {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(145deg, var(--black-card) 0%, rgba(20, 20, 20, 0.8) 100%);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 12px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.buy-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.buy-step:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.buy-step:hover::before {
    transform: scaleX(1);
}

.buy-step-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold-gradient);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black-primary);
}

.buy-step-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.buy-step-content p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.6;
}

.buy-step-content a {
    color: var(--gold-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.buy-step-content a:hover {
    color: var(--gold-light);
}

.buy-step-content strong {
    color: var(--gold-primary);
}

.buy-cta {
    text-align: center;
}

@media (max-width: 768px) {
    .buy-steps {
        grid-template-columns: 1fr;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gold-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ========================================
   Sections Common
   ======================================== */
.section {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--white);
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: #000000;
}

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

.about-content p {
    margin-bottom: 1.5rem;
    color: var(--gray-400);
}

.about-content strong {
    color: var(--gold-primary);
}

.quote {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(212, 175, 55, 0.05);
    border-left: 3px solid var(--gold-primary);
}

.quote p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.quote cite {
    font-size: 0.85rem;
    color: var(--gold-primary);
    font-style: normal;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-container {
    width: 100%;
    max-width: 400px;
    position: relative;
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
    background: transparent;
}

/* ========================================
   How It Works Section
   ======================================== */
.mechanism-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.mechanism-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.mechanism-text p {
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.mechanism-text strong {
    color: var(--gold-primary);
}

.mechanism-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    background: linear-gradient(145deg, var(--black-card) 0%, rgba(20, 20, 20, 0.8) 100%);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 12px;
    text-align: center;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.feature-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(212, 175, 55, 0.1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.5rem;
    color: var(--gold-primary);
    transition: all var(--transition-medium);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.5));
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--white);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ========================================
   Protocol Section
   ======================================== */
.protocol {
    background: var(--black-light);
}

.protocol-steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(145deg, var(--black-card) 0%, rgba(20, 20, 20, 0.6) 100%);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 12px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: var(--gold-gradient);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.step:hover {
    border-color: rgba(212, 175, 55, 0.2);
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.step:hover::before {
    opacity: 1;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.6;
    min-width: 70px;
    transition: all var(--transition-medium);
}

.step:hover .step-number {
    opacity: 1;
    transform: scale(1.05);
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--white);
    font-weight: 600;
}

.step-content p {
    color: var(--gray-400);
    line-height: 1.6;
}

/* ========================================
   History Section
   ======================================== */
.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--gold-primary), rgba(212, 175, 55, 0.2));
}

.timeline-item {
    position: relative;
    padding: 2rem;
    margin-left: 1rem;
    background: linear-gradient(145deg, var(--black-card) 0%, rgba(20, 20, 20, 0.6) 100%);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all var(--transition-medium);
}

.timeline-item:hover {
    border-color: rgba(212, 175, 55, 0.2);
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.timeline-marker {
    position: absolute;
    left: -3rem;
    top: 2rem;
    width: 14px;
    height: 14px;
    background: var(--gold-primary);
    border-radius: 50%;
    transform: translateX(-6px);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
    transition: all var(--transition-medium);
}

.timeline-item:hover .timeline-marker {
    transform: translateX(-6px) scale(1.3);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.7);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-content p {
    color: var(--gray-400);
    line-height: 1.6;
}

/* ========================================
   Legacy Section
   ======================================== */
.legacy {
    background: var(--black-light);
}

.legacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.legacy-text p {
    margin-bottom: 1.5rem;
    color: var(--gray-400);
}

.legacy-text strong {
    color: var(--gold-primary);
}

.legacy-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.legacy-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(145deg, var(--black-card) 0%, rgba(20, 20, 20, 0.8) 100%);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 12px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.legacy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: var(--gold-gradient);
    transform: scaleY(0);
    transition: transform var(--transition-medium);
}

.legacy-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(212, 175, 55, 0.08);
}

.legacy-card:hover::before {
    transform: scaleY(1);
}

.legacy-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    color: var(--gold-primary);
    transition: all var(--transition-medium);
}

.legacy-icon svg {
    width: 100%;
    height: 100%;
}

.legacy-card:hover .legacy-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.4));
}

.legacy-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.legacy-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ========================================
   Creator Section
   ======================================== */
.creator {
    padding: 6rem 0;
}

.creator-card {
    display: flex;
    gap: 4rem;
    align-items: center;
    padding: 4rem;
    background: var(--black-card);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
}

.creator-image {
    flex-shrink: 0;
}

.creator-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--gold-primary);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.creator-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 0.5rem;
}

.creator-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.creator-bio {
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.creator-links {
    margin-top: 1.5rem;
}

.creator-link {
    display: inline-flex;
    align-items: center;
    color: var(--gold-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.creator-link:hover {
    color: var(--gold-light);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: 
        radial-gradient(ellipse at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    color: var(--gray-400);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--black-light);
    padding: 1.5rem 0;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    margin-bottom: 0;
}

.footer-brand {
    max-width: 250px;
}

.footer-brand .logo {
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--gray-500);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.footer-column a {
    color: var(--gray-500);
    font-size: 0.8rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--gold-primary);
}

.footer-bottom {
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.copyright {
    color: var(--gray-600);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .mechanism-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .legacy-content {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        order: -1;
    }
    
    .video-container {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    /* Container */
    .container {
        padding: 0 1.25rem;
    }
    
    /* Navigation */
    .nav-container {
        padding: 0 1.25rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        padding: 2rem;
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-badge {
        font-size: 0.65rem;
        padding: 0.4rem 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-cta .btn-x {
        width: 100%;
    }
    
    .hero-ca {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.75rem 1rem;
        font-size: 0.7rem;
        word-break: break-all;
        text-align: center;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    /* Sections */
    .section {
        padding: 4rem 0;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-tag {
        font-size: 0.65rem;
    }
    
    /* How to Buy */
    .buy-steps {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .buy-step {
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .buy-step-number {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1.2rem;
    }
    
    .buy-step-content h3 {
        font-size: 1rem;
    }
    
    .buy-step-content p {
        font-size: 0.85rem;
    }
    
    /* About */
    .about-grid {
        gap: 2rem;
    }
    
    .about-content {
        text-align: center;
    }
    
    .about-content p {
        font-size: 0.9rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .quote {
        padding: 1.25rem;
        text-align: left;
    }
    
    .quote p {
        font-size: 0.95rem;
    }
    
    .video-container {
        max-width: 250px;
    }
    
    /* Features */
    .mechanism-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 36px;
        height: 36px;
        margin-bottom: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1rem;
    }
    
    .feature-card p {
        font-size: 0.85rem;
    }
    
    /* Timeline */
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-item {
        padding: 1.25rem;
        margin-left: 0.5rem;
    }
    
    .timeline-marker {
        left: -2rem;
        width: 10px;
        height: 10px;
    }
    
    .timeline-content h3 {
        font-size: 1rem;
    }
    
    .timeline-content p {
        font-size: 0.85rem;
    }
    
    /* Legacy */
    .legacy-content {
        gap: 2rem;
    }
    
    .legacy-text {
        text-align: center;
    }
    
    .legacy-text p {
        font-size: 0.9rem;
    }
    
    .legacy-card {
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .legacy-icon {
        width: 32px;
        height: 32px;
        min-width: 32px;
    }
    
    .legacy-card h3 {
        font-size: 1rem;
    }
    
    .legacy-card p {
        font-size: 0.85rem;
    }
    
    /* Creator */
    .creator {
        padding: 4rem 0;
    }
    
    .creator-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
        gap: 1.5rem;
    }
    
    .creator-image img {
        width: 120px;
        height: 120px;
    }
    
    .creator-info h2 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }
    
    .creator-bio {
        font-size: 0.9rem;
    }
    
    /* CTA */
    .cta h2 {
        font-size: 1.5rem;
    }
    
    .cta p {
        font-size: 0.9rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    /* Footer */
    .footer {
        padding: 1.5rem 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
    
    .footer-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 2rem;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .footer-bottom {
        margin-top: 1rem;
        padding-top: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.8rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .buy-step {
        flex-direction: column;
        text-align: center;
    }
    
    .buy-step-number {
        margin: 0 auto;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-marker {
        left: -1.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }
}