/* style.css - Premium Design System for 2030 Nexsign Depot LLC */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Dancing+Script:wght@600;700&family=Orbitron:wght@500;700;900&family=Sedgwick+Ave+Display&display=swap');

:root {
    --bg-main: #0a0c10;
    --bg-card: rgba(20, 24, 33, 0.7);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Accents (with neon colors) */
    --accent-cyan: #00f2fe;
    --accent-cyan-rgb: 0, 242, 254;
    --accent-pink: #ff007f;
    --accent-pink-rgb: 255, 0, 127;
    --accent-amber: #f59e0b;
    --accent-amber-rgb: 245, 158, 11;
    --accent-green: #10b981;
    --accent-green-rgb: 16, 185, 129;
    --accent-blue: #3b82f6;
    --accent-blue-rgb: 59, 130, 246;

    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 127, 0.03) 0%, transparent 40%);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Header / Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 12, 16, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--bg-card-border);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    box-shadow: 0 0 8px var(--accent-cyan);
    transition: var(--transition-smooth);
}

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

.btn-cta {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #000;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
    font-size: 0.9rem;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
    filter: brightness(1.1);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

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

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

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #ffffff 30%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h1 span {
    color: var(--accent-cyan);
    -webkit-text-fill-color: initial;
    background: none;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--bg-card-border);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Glassmorphism Card in Hero */
.hero-visual {
    position: relative;
}

.neon-card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(255, 0, 127, 0.15) 0%, transparent 60%);
    filter: blur(40px);
    z-index: -1;
}

.visual-showcase {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.visual-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(130deg, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.neon-text-preview-hero {
    font-family: 'Dancing Script', cursive;
    font-size: 4rem;
    color: var(--accent-pink);
    text-shadow: 
        0 0 5px #fff,
        0 0 10px var(--accent-pink),
        0 0 20px var(--accent-pink),
        0 0 40px var(--accent-pink);
    animation: neon-pulsate 2s infinite alternate;
    margin: 1.5rem 0;
    user-select: none;
}

@keyframes neon-pulsate {
    0% {
        text-shadow: 
            0 0 4px #fff,
            0 0 10px var(--accent-pink),
            0 0 18px var(--accent-pink),
            0 0 35px var(--accent-pink);
    }
    100% {
        text-shadow: 
            0 0 6px #fff,
            0 0 12px var(--accent-pink),
            0 0 25px var(--accent-pink),
            0 0 45px var(--accent-pink);
    }
}

/* Sections Global */
section {
    padding: 8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(180deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Services Page & Highlights */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    background: rgba(20, 24, 33, 0.9);
    border-color: rgba(0, 242, 254, 0.2);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.05);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* About & Location Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.locations-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.location-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition-smooth);
}

.location-box:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--text-muted);
}

.location-box h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.location-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Interactive Visualizer Page */
.visualizer-workspace {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    margin-top: 2rem;
}

.canvas-container {
    background: #07080a;
    border: 2px dashed rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    position: relative;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.8);
}

.canvas-wall-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, transparent 20%, #07080a 80%),
        url('data:image/svg+xml;utf8,<svg width="40" height="40" xmlns="http://www.w3.org/2000/svg"><rect width="40" height="40" fill="none" stroke="rgba(255,255,255,0.015)" stroke-width="1"/></svg>');
    z-index: 1;
}

.neon-sign-canvas {
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 90%;
    word-break: break-word;
}

.neon-canvas-text {
    font-size: 4rem;
    font-weight: 700;
    transition: var(--transition-smooth);
    line-height: 1.2;
    display: block;
}

/* Neon Glow Color Utilities */
.neon-glow-cyan {
    color: var(--accent-cyan);
    text-shadow: 0 0 5px #fff, 0 0 10px var(--accent-cyan), 0 0 20px var(--accent-cyan), 0 0 45px var(--accent-cyan);
}
.neon-glow-pink {
    color: var(--accent-pink);
    text-shadow: 0 0 5px #fff, 0 0 10px var(--accent-pink), 0 0 20px var(--accent-pink), 0 0 45px var(--accent-pink);
}
.neon-glow-amber {
    color: var(--accent-amber);
    text-shadow: 0 0 5px #fff, 0 0 10px var(--accent-amber), 0 0 20px var(--accent-amber), 0 0 45px var(--accent-amber);
}
.neon-glow-green {
    color: var(--accent-green);
    text-shadow: 0 0 5px #fff, 0 0 10px var(--accent-green), 0 0 20px var(--accent-green), 0 0 45px var(--accent-green);
}
.neon-glow-blue {
    color: var(--accent-blue);
    text-shadow: 0 0 5px #fff, 0 0 10px var(--accent-blue), 0 0 20px var(--accent-blue), 0 0 45px var(--accent-blue);
}

.control-panel {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.form-control {
    width: 100%;
    background: rgba(10, 12, 16, 0.6);
    border: 1px solid var(--bg-card-border);
    border-radius: 12px;
    padding: 0.85rem 1.2rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

/* Color Options Grid */
.color-picker-grid {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.color-option {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 12px var(--color-glow);
}

/* Pricing and Submittal Card */
.visualizer-pricing {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--bg-card-border);
}

.pricing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.price-val {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* Multi-step Quote Wizard */
.quote-wizard {
    max-width: 750px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 24px;
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.wizard-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
}

.wizard-steps::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 1;
}

.wizard-step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #171a21;
    border: 2px solid var(--bg-card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-secondary);
    position: relative;
    z-index: 2;
    transition: var(--transition-smooth);
}

.wizard-step.active {
    background: var(--bg-main);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.wizard-step.completed {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: #000;
}

.step-content {
    display: none;
}

.step-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-group {
    display: flex;
    justify-content: space-between;
    margin-top: 2.5rem;
}

/* Category Cards Select */
.category-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.category-card {
    background: rgba(10, 12, 16, 0.4);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.category-card:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.category-card.selected {
    border-color: var(--accent-cyan);
    background: rgba(0, 242, 254, 0.03);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.category-card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Portfolio / Gallery grid */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--bg-card-border);
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: 500;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--text-primary);
    color: var(--bg-main);
    border-color: var(--text-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.gallery-item {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.2);
}

.gallery-img-wrapper {
    position: relative;
    width: 100%;
    height: 240px;
    background: #161920;
    overflow: hidden;
}

.gallery-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-img-wrapper img {
    transform: scale(1.05);
}

.gallery-info {
    padding: 1.5rem;
}

.gallery-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(0, 242, 254, 0.08);
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
}

/* Order Tracker Page */
.tracker-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 24px;
    padding: 3rem;
    backdrop-filter: blur(10px);
    text-align: center;
}

.tracker-search-box {
    display: flex;
    gap: 0.75rem;
    margin: 2rem 0;
}

/* Timeline */
.timeline {
    text-align: left;
    margin-top: 3rem;
    position: relative;
    padding-left: 2rem;
}

.timeline::after {
    content: '';
    position: absolute;
    top: 5px;
    bottom: 5px;
    left: 7px;
    width: 2px;
    background: rgba(255, 255, 255, 0.05);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline-dot {
    position: absolute;
    left: -21px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #171a21;
    border: 3px solid var(--bg-card-border);
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-item.active .timeline-dot {
    background: var(--bg-main);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-item.completed .timeline-dot {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.timeline-content {
    opacity: 0.4;
    transition: var(--transition-smooth);
}

.timeline-item.active .timeline-content,
.timeline-item.completed .timeline-content {
    opacity: 1;
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.timeline-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Admin Dashboard CSS */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-top: 2rem;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-cyan);
    margin: 0.5rem 0;
}

.admin-table-container {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    overflow-x: auto;
    padding: 1.5rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.admin-table th, .admin-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.admin-table th {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.admin-table td {
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pending { background: rgba(245, 158, 11, 0.1); color: var(--accent-amber); }
.badge-design { background: rgba(59, 130, 246, 0.1); color: var(--accent-blue); }
.badge-manufacturing { background: rgba(255, 0, 127, 0.1); color: var(--accent-pink); }
.badge-qa { background: rgba(0, 242, 254, 0.1); color: var(--accent-cyan); }
.badge-ready { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }

/* Footer */
footer {
    background: #06070a;
    border-top: 1px solid var(--bg-card-border);
    padding: 5rem 0 2rem 0;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 800;
}

.footer-brand h3 span {
    color: var(--accent-cyan);
}

.footer-brand p {
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
}

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

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.footer-links ul li a:hover {
    color: var(--text-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.03);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-content p {
        margin: 0 auto 2.5rem auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .visualizer-workspace {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0a0c10;
        border-bottom: 1px solid var(--bg-card-border);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }
    
    nav.open {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .category-cards {
        grid-template-columns: 1fr;
    }
}