/* ===================================
   CSS RESET & BASE STYLES
   =================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0a0a0a;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   =================================== */
:root {
    /* Blended Color Palette - Space + Thai Theme */
    --primary-dark: #1a0033;        /* Space purple from 16-site */
    --secondary-dark: #2d1b69;      /* Medium purple */
    --accent-green: #00ff41;        /* Terminal green from 16-site */
    --accent-cyan: #00ffff;         /* Neon cyan from 16-site */
    --accent-thai-purple: #7c3aed;  /* Thai purple from 15-site */
    --accent-thai-orange: #f59e0b;  /* Thai orange from 15-site */
    --accent-thai-blue: #06b6d4;    /* Thai blue from 15-site */

    /* Background Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.8);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --text-muted: #6b7280;

    /* Gradients */
    --gradient-space: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    --gradient-thai: linear-gradient(135deg, var(--accent-thai-purple) 0%, var(--accent-thai-blue) 100%);
    --gradient-cosmic: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-cyan) 100%);
    --gradient-blend: linear-gradient(135deg,
        var(--primary-dark) 0%,
        var(--accent-thai-purple) 25%,
        var(--secondary-dark) 50%,
        var(--accent-thai-blue) 75%,
        var(--primary-dark) 100%);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'Inter', monospace;

    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Glow Effects */
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.5);
    --glow-cyan: 0 0 20px rgba(0, 255, 255, 0.5);
    --glow-thai-purple: 0 0 20px rgba(124, 58, 237, 0.5);
    --glow-thai-blue: 0 0 20px rgba(6, 182, 212, 0.5);
    --glow-thai-orange: 0 0 20px rgba(245, 158, 11, 0.5);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.text-left {
    text-align: left;
}

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

/* ===================================
   LOADING SCREEN
   =================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-space);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
    position: relative;
}

.coffee-cup {
    font-size: 4rem;
    animation: bounce 1s infinite;
    margin-bottom: var(--space-4);
    filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.5));
}

.stars {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 50px;
}

.star-1, .star-2, .star-3 {
    position: absolute;
    color: var(--accent-cyan);
    animation: twinkle 2s ease-in-out infinite;
}

.star-1 {
    top: 0;
    left: 20%;
    animation-delay: 0s;
}

.star-2 {
    top: 10px;
    left: 50%;
    animation-delay: 0.5s;
}

.star-3 {
    top: -10px;
    left: 80%;
    animation-delay: 1s;
}

.loading-screen p {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    color: var(--accent-cyan);
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: 0 auto;
}

.loading-bar::after {
    content: '';
    display: block;
    width: 0%;
    height: 100%;
    background: var(--gradient-cosmic);
    animation: loading 2s ease-in-out infinite;
}

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

@keyframes twinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 0, 51, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(124, 58, 237, 0.2);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 900;
    color: var(--accent-thai-purple);
}

.nav-logo i {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-thai-purple);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-thai);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-thai);
    color: var(--text-primary);
    box-shadow: var(--glow-thai-purple);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--glow-thai-purple), 0 10px 20px rgba(124, 58, 237, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan), 0 10px 20px rgba(0, 255, 255, 0.3);
}

/* ===================================
   SECTIONS
   =================================== */
section {
    padding: var(--space-20) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 900;
    background: var(--gradient-blend);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
}

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

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-24) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.cosmic-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.code-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(124, 58, 237, 0.1) 2px,
            rgba(124, 58, 237, 0.1) 4px
        );
    animation: rain 10s linear infinite;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.coffee-bean, .star-icon, .code-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.3;
    animation: float-random 15s ease-in-out infinite;
}

.coffee-bean {
    top: 20%;
    left: 10%;
    color: var(--accent-thai-orange);
    animation-delay: 0s;
}

.star-icon {
    top: 60%;
    right: 15%;
    color: var(--accent-cyan);
    animation-delay: 5s;
}

.code-icon {
    bottom: 30%;
    left: 20%;
    color: var(--accent-thai-purple);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

@keyframes float-random {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(10px) rotate(180deg);
    }
    75% {
        transform: translateY(-10px) rotate(270deg);
    }
}

@keyframes rain {
    0% { transform: translateY(-100px); }
    100% { transform: translateY(100vh); }
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.title-text {
    background: var(--gradient-blend);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
}

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

.hero-subtitle {
    margin-bottom: var(--space-6);
}

.subtitle-text {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    color: var(--accent-cyan);
    opacity: 0.9;
}

.hero-description {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto var(--space-8);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    animation: bounce 2s infinite;
    cursor: pointer;
}

.scroll-indicator i {
    font-size: var(--text-lg);
    color: var(--accent-thai-purple);
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.about-text {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-text p {
    margin-bottom: var(--space-4);
}

.dimension-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    background: var(--bg-tertiary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(124, 58, 237, 0.2);
    box-shadow: var(--shadow-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-thai);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

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

/* ===================================
   PORTALS SECTION
   =================================== */
.portals {
    background: var(--bg-primary);
}

.portals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-20);
}

.portal-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all var(--transition-slow);
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.card-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.thai-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.cosmic-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(0, 255, 65, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 255, 255, 0.1) 0%, transparent 50%);
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.8;
}

.thai-edition .gradient-overlay {
    background: linear-gradient(135deg,
        rgba(124, 58, 237, 0.2) 0%,
        rgba(6, 182, 212, 0.1) 50%,
        rgba(26, 26, 46, 0.9) 100%);
}

.cosmic-edition .gradient-overlay {
    background: linear-gradient(135deg,
        rgba(0, 255, 65, 0.2) 0%,
        rgba(0, 255, 255, 0.1) 50%,
        rgba(26, 26, 46, 0.9) 100%);
}

.card-content {
    padding: var(--space-8);
    position: relative;
    z-index: 2;
}

.card-icon {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.card-icon .flag, .card-icon .rocket {
    font-size: 2.5rem;
}

.card-icon i {
    font-size: 2rem;
    color: var(--accent-thai-purple);
}

.thai-edition .card-icon i {
    color: var(--accent-thai-purple);
}

.cosmic-edition .card-icon i {
    color: var(--accent-green);
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 900;
    margin-bottom: var(--space-2);
}

.thai-edition .card-title {
    background: var(--gradient-thai);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cosmic-edition .card-title {
    background: var(--gradient-cosmic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-subtitle {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.card-description {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.card-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.feature i {
    font-size: var(--text-lg);
    color: var(--accent-thai-purple);
}

.thai-edition .feature i {
    color: var(--accent-thai-purple);
}

.cosmic-edition .feature i {
    color: var(--accent-green);
}

.feature span {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.tech-tag {
    background: rgba(124, 58, 237, 0.2);
    color: var(--accent-thai-purple);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(124, 58, 237, 0.3);
    transition: all var(--transition-fast);
}

.thai-edition .tech-tag {
    background: rgba(124, 58, 237, 0.2);
    color: var(--accent-thai-purple);
    border-color: rgba(124, 58, 237, 0.3);
}

.cosmic-edition .tech-tag {
    background: rgba(0, 255, 65, 0.2);
    color: var(--accent-green);
    border-color: rgba(0, 255, 65, 0.3);
}

.tech-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(124, 58, 237, 0.3);
}

.thai-edition .tech-tag:hover {
    box-shadow: 0 4px 8px rgba(124, 58, 237, 0.3);
}

.cosmic-edition .tech-tag:hover {
    box-shadow: 0 4px 8px rgba(0, 255, 65, 0.3);
}

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

/* Portal Card Hover Effects */
.portal-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.thai-edition:hover {
    box-shadow:
        var(--shadow-2xl),
        0 0 40px rgba(124, 58, 237, 0.3),
        0 0 60px rgba(6, 182, 212, 0.2);
}

.cosmic-edition:hover {
    box-shadow:
        var(--shadow-2xl),
        0 0 40px rgba(0, 255, 65, 0.3),
        0 0 60px rgba(0, 255, 255, 0.2);
}

.card-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: var(--radius-2xl);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
    pointer-events: none;
}

.thai-edition .card-glow {
    background: linear-gradient(45deg,
        var(--accent-thai-purple),
        var(--accent-thai-blue),
        var(--accent-thai-orange),
        var(--accent-thai-purple));
}

.cosmic-edition .card-glow {
    background: linear-gradient(45deg,
        var(--accent-green),
        var(--accent-cyan),
        var(--accent-green));
}

.portal-card:hover .card-glow {
    opacity: 0.7;
    animation: glow-rotate 3s linear infinite;
}

@keyframes glow-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Dimension Comparison */
.dimension-comparison {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.dimension-comparison h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    text-align: center;
    margin-bottom: var(--space-6);
    background: var(--gradient-blend);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-4);
    align-items: center;
}

.comparison-header {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    padding: var(--space-3);
    border-bottom: 2px solid rgba(124, 58, 237, 0.3);
}

.comparison-row {
    display: contents;
}

.feature-name {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-3);
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
}

.thai-col, .cosmic-col {
    text-align: center;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    padding: var(--space-3);
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
}

.thai-col {
    color: var(--accent-thai-purple);
}

.cosmic-col {
    color: var(--accent-green);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(124, 58, 237, 0.2);
    padding: var(--space-12) 0 var(--space-6);
}

.footer-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
    background: var(--gradient-blend);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.footer-quote {
    margin-bottom: var(--space-8);
}

.footer-quote blockquote {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--accent-thai-orange);
    line-height: 1.6;
    margin-bottom: var(--space-2);
}

.quote-translation {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    display: block;
    margin-top: var(--space-2);
}

.footer-tech {
    margin-bottom: var(--space-6);
}

.footer-tech p {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.footer-bottom {
    border-top: 1px solid rgba(124, 58, 237, 0.2);
    padding-top: var(--space-6);
}

.footer-bottom p {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

/* ===================================
   MOBILE RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    :root {
        --text-xs: 0.75rem;
        --text-sm: 0.875rem;
        --text-base: 1rem;
        --text-lg: 1.125rem;
        --text-xl: 1.25rem;
        --text-2xl: 1.5rem;
        --text-3xl: 1.875rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-top: 1px solid rgba(124, 58, 237, 0.2);
    }

    .nav-menu.active {
        left: 0;
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

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

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

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

    section {
        padding: var(--space-16) 0;
    }

    .hero {
        min-height: 100vh;
        padding: var(--space-20) 0 var(--space-16);
    }

    .hero-content {
        padding: 0 var(--space-4);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .dimension-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }

    .portals-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .comparison-table {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }

    .comparison-header {
        display: none;
    }

    .comparison-row {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-2);
        text-align: center;
    }

    .feature-name {
        font-weight: 700;
        border-bottom: 2px solid rgba(124, 58, 237, 0.3);
    }

    .thai-col, .cosmic-col {
        padding: var(--space-2);
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }

    .nav-container {
        padding: 0 var(--space-4);
    }

    .hero-title {
        font-size: clamp(var(--text-3xl), 10vw, var(--text-4xl));
    }

    .hero-subtitle {
        font-size: var(--text-lg);
    }

    .card-content {
        padding: var(--space-6);
    }

    .card-features {
        grid-template-columns: 1fr;
    }

    .dimension-stats {
        grid-template-columns: 1fr;
    }

    .dimension-comparison {
        padding: var(--space-6);
    }
}

/* ===================================
   REDUCED MOTION & ACCESSIBILITY
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-height: 500px) {
    .hero {
        min-height: auto;
        padding: var(--space-16) 0;
    }
}

/* Focus styles for better accessibility */
.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--accent-thai-purple);
    outline-offset: 2px;
}

.portal-card:focus {
    outline: 3px solid var(--accent-thai-purple);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .loading-screen,
    .scroll-indicator {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }
}