/* ===================================
   Steellite Water Wave Panel
   Premium Dark Theme
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-accent-silver: #c0c0c0;
    --color-accent-gold: #d4af37;
    --color-text-primary: #ffffff;
    --color-text-secondary: #888888;
    --color-text-muted: #555555;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-glow: rgba(212, 175, 55, 0.3);

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

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1400px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Utility Classes */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

/* Section Common Styles */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 20px;
    position: relative;
    padding: 8px 20px;
    border: 1px solid var(--color-accent-gold);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-silver) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Loading Screen
   =================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-wave {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-silver), var(--color-accent-gold));
    animation: loaderPulse 1.5s ease-in-out infinite;
}

.loader-content span {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-accent-gold);
}

@keyframes loaderPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.nav-logo:hover .logo-text {
    color: var(--color-accent-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    text-decoration: none;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-gold);
    transition: width var(--transition-medium);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Background Video */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(10, 10, 10, 0.3) 0%,
            rgba(10, 10, 10, 0.1) 40%,
            rgba(10, 10, 10, 0.1) 60%,
            rgba(10, 10, 10, 0.4) 100%);
    pointer-events: none;
}

/* Interactive Canvas - Semi-transparent overlay on video */
.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.35;
    mix-blend-mode: screen;
    pointer-events: auto;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-bg-primary) 80%);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 40px;
}

.hero-subtitle {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.5s;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 200;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 30px;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s ease forwards;
}

.title-line:first-child {
    animation-delay: 0.7s;
}

.title-line.accent {
    background: linear-gradient(90deg, var(--color-accent-silver), var(--color-accent-gold), var(--color-accent-silver));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease forwards 0.9s, shimmer 3s linear infinite 1.9s;
}

.hero-description {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 500px;
    margin: 0 auto 50px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 1.1s;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: transparent;
    border: 1px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition-medium);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 1.3s;
}

.hero-cta:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.hero-cta svg {
    transition: transform var(--transition-fast);
}

.hero-cta:hover svg {
    transform: translate(3px, -3px);
}

/* Resource Buttons (Reusable hero-cta style without animation delays) */
.resource-downloads {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.resource-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 30px;
    background: transparent;
    border: 1px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition-medium);
}

.resource-btn:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.resource-btn svg {
    transition: transform var(--transition-fast);
}

.resource-btn:hover svg {
    transform: translate(3px, -3px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    to {
        background-position: 200% center;
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translate(-50%, 30px);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    opacity: 0;
    animation: fadeInUpCentered 1s ease forwards 1.5s;
}

@keyframes fadeInUpCentered {
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-accent-gold);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {

    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateY(10px);
        opacity: 0.3;
    }
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    opacity: 0;
    transform: translateX(-50px);
    transition: var(--transition-slow);
}

.about-text.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-lead {
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: 50px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 25px;
    padding: 25px;
    background: var(--color-bg-tertiary);
    border-radius: 12px;
    transition: var(--transition-medium);
}

.feature-item:hover {
    background: rgba(212, 175, 55, 0.05);
    transform: translateX(10px);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-accent-gold);
}

.feature-content h3 {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 8px;
}

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

.about-visual {
    opacity: 0;
    transform: translateX(50px);
    transition: var(--transition-slow);
    transition-delay: 0.2s;
}

.about-visual.visible {
    opacity: 1;
    transform: translateX(0);
}

.visual-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.visual-card img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--color-glow) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-medium);
    pointer-events: none;
}

.visual-card:hover .card-glow {
    opacity: 1;
}

/* ===================================
   Demo Section
   =================================== */
.demo {
    padding: var(--section-padding) 0;
    background: var(--color-bg-primary);
}

.demo-header {
    text-align: center;
    margin-bottom: 60px;
}

.demo-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
}

.demo-video {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16/9;
}

.demo-instructions {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
}

.instruction-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 30px;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: var(--color-accent-gold);
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
}

.instruction-item span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 300px;
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(50px);
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-medium);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-info {
    transform: translateY(20px);
    transition: transform var(--transition-medium);
}

.gallery-item:hover .gallery-info {
    transform: translateY(0);
}

.gallery-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 10px;
}

.gallery-info h3 {
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: 8px;
}

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

.gallery-zoom {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: var(--color-text-primary);
    transform: scale(0);
    transition: transform var(--transition-medium);
}

.gallery-item:hover .gallery-zoom {
    transform: scale(1);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--color-bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: start;
}

.contact-info {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.contact-info.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-lead {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 50px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 1.125rem;
    color: var(--color-text-primary);
}

.contact-item svg {
    color: var(--color-accent-gold);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
    transition-delay: 0.2s;
}

.contact-form.visible {
    opacity: 1;
    transform: translateY(0);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 20px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    background: var(--color-bg-tertiary);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group textarea~label {
    top: 20px;
    transform: none;
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -10px;
    left: 15px;
    font-size: 0.75rem;
    color: var(--color-accent-gold);
    background: var(--color-bg-primary);
    padding: 0 8px;
}

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

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 40px;
    background: var(--color-accent-gold);
    border: none;
    border-radius: 12px;
    color: var(--color-bg-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition-medium);
}

.submit-btn:hover {
    background: #e6c64a;
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.3);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: 60px 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-text-primary);
}

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

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

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

/* ===================================
   Lightbox
   =================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: 15px;
    transition: var(--transition-fast);
    z-index: 10;
}

.lightbox-close {
    top: 30px;
    right: 30px;
}

.lightbox-prev {
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--color-accent-gold);
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

/* ===================================
   Cursor Light Effect
   =================================== */
.cursor-light {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cursor-light.active {
    opacity: 1;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1200px) {
    :root {
        --section-padding: 100px;
    }

    .container {
        padding: 0 30px;
    }

    .nav-container {
        padding: 0 30px;
    }
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-visual {
        order: -1;
    }

    .visual-card img {
        height: 400px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 250px;
    }

    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: right var(--transition-medium);
    }

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

    .nav-link {
        font-size: 1.25rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

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

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

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 5rem);
    }

    .hero-description {
        font-size: 1rem;
    }

    .demo-canvas {
        height: 400px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 300px;
    }

    .gallery-item.large,
    .gallery-item.wide {
        grid-column: span 1;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .nav-container {
        padding: 0 20px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .hero-cta {
        padding: 15px 30px;
        font-size: 0.8125rem;
    }
}