/* ==========================================================================
   D.print Set 5 - Modern & Trendy Style
   2024-2025 Web Trends: Bento Grid, Glassmorphism, Mesh Gradients
   ========================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */
:root {
    /* Colors */
    --color-bg: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #252525;
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    --color-accent-1: #667eea;
    --color-accent-2: #764ba2;
    --color-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --color-gradient-hover: linear-gradient(135deg, #7b8ff0 0%, #8a5fb5 100%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-header: 1000;
    --z-modal: 2000;
    --z-tooltip: 3000;
}

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

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

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

/* Mesh Gradient Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 50% 80% at 50% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.text-display {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
}

.text-headline {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 600;
}

.text-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
}

.text-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 500;
}

.text-body {
    font-size: 1rem;
    font-weight: 400;
}

.text-caption {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

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

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-3xl) 0;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    padding: var(--space-md) 0;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

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

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

.logo img {
    height: 40px;
    width: auto;
}

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

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--space-xs) 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 32px;
    height: 32px;
    justify-content: center;
    align-items: center;
    z-index: calc(var(--z-header) + 1);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-normal);
    transform-origin: center;
}

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

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-gradient);
    color: var(--color-text);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary::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: var(--transition-slow);
}

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

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent-1);
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-gradient);
    border-color: transparent;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.0625rem;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
}

/* ==========================================================================
   Glassmorphism Card
   ========================================================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow);
}

/* ==========================================================================
   Bento Grid Layout
   ========================================================================== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: var(--space-md);
}

.bento-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.bento-item.col-2 { grid-column: span 2; }
.bento-item.col-3 { grid-column: span 3; }
.bento-item.col-4 { grid-column: span 4; }
.bento-item.row-2 { grid-row: span 2; }
.bento-item.row-3 { grid-row: span 3; }

.bento-content {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

.bento-item-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-slow);
}

.bento-item:hover .bento-item-bg {
    transform: scale(1.05);
}

/* Bento Item Variants */
.bento-gradient {
    background: var(--color-gradient);
}

.bento-dark {
    background: var(--color-bg-secondary);
}

.bento-accent {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
}

/* ==========================================================================
   Masonry Grid (Services)
   ========================================================================== */
.masonry-grid {
    columns: 3;
    column-gap: var(--space-md);
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--space-md);
}

/* ==========================================================================
   Service Cards
   ========================================================================== */
.service-card {
    position: relative;
    overflow: hidden;
    padding: var(--space-xl);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gradient);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.service-feature {
    padding: var(--space-xs) var(--space-sm);
    background: var(--glass-bg);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-gradient);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.service-card:hover::before {
    opacity: 0.1;
}

/* ==========================================================================
   Horizontal Scroll Section (About)
   ========================================================================== */
.horizontal-scroll-container {
    position: relative;
    overflow: hidden;
}

.horizontal-scroll-wrapper {
    display: flex;
    gap: var(--space-lg);
    transition: transform 0.3s ease-out;
    padding: var(--space-lg) 0;
}

.horizontal-card {
    flex: 0 0 400px;
    min-height: 500px;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.horizontal-scroll-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.scroll-nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--color-text);
    transition: var(--transition-normal);
}

.scroll-nav-btn:hover {
    background: var(--color-gradient);
    border-color: transparent;
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.stat-item {
    text-align: center;
    padding: var(--space-xl);
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent-1);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 3rem;
}

.form-select option {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-legal a:hover {
    color: var(--color-text);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
}

.stagger-item.active {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================================================
   Page-Specific Styles
   ========================================================================== */

/* About Page */
.about-hero {
    padding: 150px 0 var(--space-3xl);
}

.about-intro {
    max-width: 900px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--color-gradient);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-xl) - 5px);
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--color-accent-1);
    border-radius: 50%;
}

.timeline-date {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-accent-1);
    margin-bottom: var(--space-xs);
}

/* Services Page */
.services-hero {
    padding: 150px 0 var(--space-2xl);
}

.service-category {
    margin-bottom: var(--space-3xl);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.category-line {
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

/* Contact Page */
.contact-hero {
    padding: 150px 0 var(--space-2xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-2xl);
}

.contact-info-card {
    padding: var(--space-xl);
}

.contact-info-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--glass-border);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gradient);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-content h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.contact-info-content p {
    font-size: 1rem;
    color: var(--color-text);
}

.contact-form-card {
    padding: var(--space-xl);
}

/* Map Section */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--space-3xl);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(92%) contrast(83%);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1200px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .bento-item.col-4 { grid-column: span 3; }

    .masonry-grid {
        columns: 2;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .horizontal-card {
        flex: 0 0 350px;
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-xl);
        transition: var(--transition-normal);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 180px;
    }

    .bento-item.col-2,
    .bento-item.col-3,
    .bento-item.col-4 {
        grid-column: span 2;
    }

    .masonry-grid {
        columns: 1;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .horizontal-card {
        flex: 0 0 300px;
        min-height: 350px;
    }
}

@media (max-width: 480px) {
    .bento-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }

    .bento-item.col-2,
    .bento-item.col-3,
    .bento-item.col-4 {
        grid-column: span 1;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* ==========================================================================
   Custom Scrollbar
   ========================================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-1);
}

/* ==========================================================================
   Selection Style
   ========================================================================== */
::selection {
    background: var(--color-accent-1);
    color: var(--color-text);
}

::-moz-selection {
    background: var(--color-accent-1);
    color: var(--color-text);
}