/* VLESS VPN — Arctic Tech Blue Theme */
/* Cold, technological, professional design */

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

:root {
    /* Arctic Blue Color Palette */
    --arctic-50: #f0f9ff;
    --arctic-100: #e0f2fe;
    --arctic-200: #bae6fd;
    --arctic-300: #7dd3fc;
    --arctic-400: #38bdf8;
    --arctic-500: #0ea5e9;
    --arctic-600: #0284c7;
    --arctic-700: #0369a1;
    --arctic-800: #075985;
    --arctic-900: #0c4a6e;
    
    /* Cyan Accents */
    --cyan-300: #67e8f9;
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    
    /* Dark Background */
    --bg-dark: #030712;
    --bg-darker: #020617;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --bg-elevated: #1e293b;
    
    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Gradients */
    --gradient-arctic: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #22d3ee 100%);
    --gradient-arctic-soft: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
    --gradient-mesh: 
        radial-gradient(at 40% 20%, rgba(14, 165, 233, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(6, 182, 212, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(56, 189, 248, 0.05) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(34, 211, 238, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(14, 165, 233, 0.1) 0px, transparent 50%);
    
    /* Shadows */
    --shadow-arctic: 0 0 40px rgba(14, 165, 233, 0.2);
    --shadow-arctic-intense: 0 0 60px rgba(14, 165, 233, 0.35);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-display: 'Exo 2', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --font-body: 'Exo 2', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

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

/* Background Effects */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: rgba(14, 165, 233, 0.12);
    top: -200px;
    right: -100px;
    animation: float-glow 20s ease-in-out infinite;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(6, 182, 212, 0.08);
    bottom: -150px;
    left: -100px;
    animation: float-glow 25s ease-in-out infinite reverse;
}

@keyframes float-glow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 20px); }
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 12px 0;
    background: rgba(3, 7, 18, 0.95);
    border-bottom-color: rgba(14, 165, 233, 0.2);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.5));
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    background: var(--gradient-arctic);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-arctic);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--arctic-400);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-arctic);
    color: var(--bg-dark);
    box-shadow: var(--shadow-arctic);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--bg-elevated);
}

.btn-outline:hover {
    border-color: var(--arctic-500);
    background: rgba(14, 165, 233, 0.1);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--arctic-400);
    border-radius: 1px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--arctic-400);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--arctic-400);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 24px 0;
    border-top: 1px solid rgba(14, 165, 233, 0.1);
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
    margin-bottom: 20px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--arctic-400);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(14, 165, 233, 0.2);
}

.hero-disclaimer {
    font-size: 0.8125rem;
    color: var(--text-muted);
    padding: 12px 16px;
    background: rgba(14, 165, 233, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--arctic-500);
}

/* Terminal Visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.terminal {
    width: 100%;
    max-width: 480px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid rgba(14, 165, 233, 0.15);
    overflow: hidden;
    box-shadow: var(--shadow-arctic);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: var(--bg-elevated);
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #22c55e; }

.terminal-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 20px;
}

.terminal-body pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.8;
}

.code-bracket { color: var(--text-secondary); }
.code-key { color: var(--arctic-300); }
.code-string { color: #a5d6ff; }
.code-success { color: #7ee787; }

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--arctic-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background: var(--gradient-mesh), var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(14, 165, 233, 0.1);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-arctic);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-arctic);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-arctic);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--bg-dark);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Protocol Section */
.protocol {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.protocol-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.protocol-content .section-badge {
    margin-bottom: 12px;
}

.protocol-content .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.protocol-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.protocol-text strong {
    color: var(--arctic-400);
}

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

.protocol-list li {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(14, 165, 233, 0.1);
    transition: border-color 0.3s ease;
}

.protocol-list li:hover {
    border-color: rgba(14, 165, 233, 0.3);
}

.list-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-arctic);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--bg-dark);
    flex-shrink: 0;
}

.protocol-list strong {
    display: block;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.protocol-list span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Protocol Comparison */
.protocol-comparison {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid rgba(14, 165, 233, 0.15);
    padding: 32px;
}

.protocol-comparison h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.comparison-table {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9375rem;
}

.comparison-row.header {
    background: var(--bg-elevated);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-row.highlight {
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.comparison-row.highlight strong {
    color: var(--arctic-400);
}

.badge-excellent {
    color: #22c55e;
    font-weight: 600;
}

.badge-good {
    color: #a3e635;
    font-weight: 500;
}

.badge-medium {
    color: #fbbf24;
    font-weight: 500;
}

.badge-low {
    color: #f87171;
    font-weight: 500;
}

/* Servers Section */
.servers {
    padding: var(--section-padding);
    background: var(--gradient-mesh), var(--bg-darker);
}

.servers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.server-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
}

.server-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-arctic);
}

.server-status {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.server-status.online {
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
    animation: pulse-dot 2s infinite;
}

.server-flag {
    font-size: 2rem;
}

.server-info {
    flex: 1;
}

.server-info h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.server-info span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.server-stats {
    text-align: right;
}

.server-ping {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--arctic-400);
    margin-bottom: 8px;
}

.server-load {
    width: 60px;
    height: 4px;
    background: var(--bg-elevated);
    border-radius: 2px;
    overflow: hidden;
}

.load-bar {
    height: 100%;
    width: var(--load);
    background: var(--gradient-arctic);
    border-radius: 2px;
}

/* Setup Section */
.setup {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.setup-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
}

.setup-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 280px;
    padding: 0 24px;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-arctic);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.setup-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--arctic-500), transparent);
    margin-top: 32px;
}

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

/* Apps Section */
.apps {
    padding: var(--section-padding);
    background: var(--gradient-mesh), var(--bg-darker);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid rgba(14, 165, 233, 0.1);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.app-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-arctic);
}

.app-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.app-icon.android { background: linear-gradient(135deg, #3ddc84, #00c853); }
.app-icon.ios { background: linear-gradient(135deg, #5856d6, #af52de); }
.app-icon.windows { background: linear-gradient(135deg, #0078d4, #00bcf2); }

.app-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.app-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.app-platform {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--arctic-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* FAQ Section */
.faq {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(14, 165, 233, 0.25);
}

.faq-item[open] {
    border-color: rgba(14, 165, 233, 0.3);
}

.faq-item summary {
    padding: 20px 24px;
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--arctic-400);
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    color: var(--arctic-400);
}

.faq-item p {
    padding: 0 24px 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item p strong {
    color: var(--arctic-400);
}

/* CTA Section */
.cta {
    padding: var(--section-padding);
    background: var(--gradient-mesh), var(--bg-darker);
}

.cta-card {
    background: var(--bg-card);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 24px;
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-card h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.cta-card p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(14, 165, 233, 0.1);
}

.decoration-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -100px;
}

.decoration-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -50px;
}

.decoration-circle:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background: var(--bg-darker);
    border-top: 1px solid rgba(14, 165, 233, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 400px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand > p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-disclaimer {
    font-size: 0.8125rem !important;
    color: var(--text-muted) !important;
    padding: 10px 14px;
    background: rgba(14, 165, 233, 0.05);
    border-radius: 8px;
    border-left: 2px solid var(--arctic-500);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    font-size: 0.9375rem;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: var(--arctic-400);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(14, 165, 233, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid rgba(14, 165, 233, 0.1);
    z-index: 2000;
    transition: right 0.3s ease;
    padding: 24px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.mobile-menu-close {
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu-nav a {
    font-size: 1.125rem;
    color: var(--text-secondary);
    padding: 12px 0;
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

.mobile-menu-nav a:hover {
    color: var(--arctic-400);
}

.mobile-menu-nav .btn {
    margin-top: 16px;
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .terminal {
        max-width: 400px;
    }
    
    .features-grid,
    .servers-grid,
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .protocol-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .protocol-content .section-title {
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav > .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .features-grid,
    .servers-grid,
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .setup-steps {
        flex-direction: column;
        gap: 32px;
    }
    
    .setup-connector {
        width: 2px;
        height: 40px;
        background: linear-gradient(180deg, var(--arctic-500), transparent);
        margin: 0;
    }
    
    .setup-step {
        max-width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .cta-card {
        padding: 40px 24px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .terminal {
        max-width: 100%;
    }
    
    .terminal-body pre {
        font-size: 0.7rem;
    }
}

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

.hero-content,
.hero-visual {
    animation: fadeInUp 0.8s ease-out;
}

.hero-visual {
    animation-delay: 0.2s;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-actions,
    .bg-grid,
    .bg-glow {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}
