/* ============================================
   Omnible - Main Stylesheet
   Dark Blue Theme with Digital Aesthetics
============================================ */

/* CSS Variables */
:root {
    --color-bg-primary: #0a0e17;
    --color-bg-secondary: #0d1321;
    --color-bg-tertiary: #131b2e;
    --color-bg-card: #161f35;
    --color-bg-card-hover: #1a2540;

    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #2563eb;
    --color-accent: #06b6d4;
    --color-accent-light: #22d3ee;

    --color-text-primary: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-border: rgba(59, 130, 246, 0.2);
    --color-border-light: rgba(59, 130, 246, 0.1);

    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(180deg, #0a0e17 0%, #131b2e 100%);
    --gradient-card: linear-gradient(145deg, #161f35 0%, #0d1321 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.3);

    --font-primary: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Orbitron', monospace;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-width: 1200px;
    --section-padding: 120px;
}

/* 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;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: white;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

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

/* ============================================
   Navigation
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 2px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-cta {
    padding: 10px 24px !important;
    background: var(--gradient-primary);
    border-radius: 6px;
    color: white !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-normal);
}

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

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

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 24px;
}

.hero-title {
    margin-bottom: 32px;
}

.title-line {
    display: block;
    font-size: clamp(28px, 5vw, 56px);
    font-weight: 300;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.title-line.highlight {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 700;
    color: var(--color-text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    margin-bottom: 48px;
}

.tagline-en {
    font-family: var(--font-display);
    font-size: clamp(14px, 2vw, 20px);
    font-weight: 400;
    letter-spacing: 4px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    transition: all var(--transition-normal);
}

.hero-cta svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.scroll-indicator span {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.5);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ============================================
   Section Common Styles
============================================ */
.section-header {
    margin-bottom: 64px;
}

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

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--color-primary-light);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.section-desc {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-top: 16px;
    max-width: 600px;
}

.section-header.center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Services Section
============================================ */
.services-section {
    padding: var(--section-padding) 0;
    background: var(--gradient-dark);
}

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

.service-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: 16px;
    padding: 40px 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-primary-light);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.service-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: 20px;
    padding: 48px 36px;
    position: relative;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--gradient-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
    letter-spacing: 0.5px;
}

.product-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 900;
    color: rgba(59, 130, 246, 0.15);
    margin-bottom: 16px;
}

.product-content {
    flex: 1;
}

.product-content h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.product-subtitle {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: 20px;
}

.product-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
}

.product-features li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.product-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.product-note {
    font-size: 12px;
    color: var(--color-text-muted);
    font-style: italic;
}

.product-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: auto;
    transition: all var(--transition-normal);
}

.product-cta:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

/* ============================================
   Clients Section
============================================ */
.clients-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg-primary);
    overflow: hidden;
}

.clients-slider {
    margin-top: 48px;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.clients-track {
    display: flex;
    gap: 48px;
    animation: scroll 40s linear infinite;
}

.clients-slider.reverse .clients-track {
    animation-direction: reverse;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.client-name {
    flex-shrink: 0;
    padding: 12px 28px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: 50px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    white-space: nowrap;
    transition: all var(--transition-normal);
    letter-spacing: 0.5px;
}

.client-name:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
}

/* ============================================
   Contact Section
============================================ */
.contact-section {
    padding: var(--section-padding) 0;
    background: var(--gradient-dark);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: 20px;
    padding: 48px 40px;
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    margin: 0 auto 24px;
}

.contact-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-primary-light);
}

.contact-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.contact-card p {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
}

.contact-btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-normal);
}

.contact-btn.primary {
    background: var(--gradient-primary);
    color: white;
}

.contact-btn.secondary {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.contact-btn:hover {
    transform: translateY(-2px);
}

.contact-btn.primary:hover {
    box-shadow: var(--shadow-glow);
}

.contact-btn.secondary:hover {
    background: var(--color-bg-card-hover);
}

.contact-btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   Footer
============================================ */
.footer {
    background: var(--color-bg-secondary);
    padding: 80px 0 40px;
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo-text {
    font-size: 28px;
    margin-bottom: 16px;
    display: block;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a,
.footer-column li {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border-light);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ============================================
   Modal
============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text-secondary);
}

.modal-close:hover {
    background: var(--color-bg-card-hover);
}

.modal-close:hover svg {
    stroke: var(--color-text-primary);
}

.modal-header {
    padding: 40px 40px 24px;
    text-align: center;
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.modal-header p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form {
    padding: 0 40px 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    font-family: inherit;
    font-size: 15px;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-group.checkbox input {
    width: auto;
    accent-color: var(--color-primary);
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-size: 14px;
    cursor: pointer;
}

.submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: 24px;
}

.submit-btn svg {
    width: 20px;
    height: 20px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Form Success */
.form-success {
    display: none;
    padding: 60px 40px;
    text-align: center;
}

.form-success.show {
    display: block;
}

.form-success svg {
    width: 64px;
    height: 64px;
    stroke: var(--color-accent);
    margin-bottom: 24px;
}

.form-success h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 15px;
    color: var(--color-text-secondary);
}

.contact-form.hidden {
    display: none;
}

/* Modal Large */
.modal.modal-large {
    max-width: 640px;
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--color-border);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--color-bg-card);
}

.file-upload-area:hover,
.file-upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.05);
}

.file-upload-placeholder svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-text-muted);
    margin-bottom: 12px;
}

.file-upload-placeholder p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.file-upload-placeholder span {
    font-size: 12px;
    color: var(--color-text-muted);
}

.file-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
}

.file-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.file-item-info svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-primary-light);
    flex-shrink: 0;
}

.file-item-name {
    font-size: 13px;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 12px;
    color: var(--color-text-muted);
    flex-shrink: 0;
    margin-left: 8px;
}

.file-item-remove {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-left: 8px;
}

.file-item-remove svg {
    width: 16px;
    height: 16px;
    stroke: var(--color-text-muted);
}

.file-item-remove:hover {
    background: rgba(239, 68, 68, 0.1);
}

.file-item-remove:hover svg {
    stroke: #ef4444;
}

/* ============================================
   Animations
============================================ */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
============================================ */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

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

    .products-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-links {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transition: right var(--transition-normal);
    }

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

    .nav-menu a {
        font-size: 24px;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

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

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-options {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 32px;
    }

    /* Modal */
    .modal-header,
    .contact-form {
        padding-left: 24px;
        padding-right: 24px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        padding: 14px 28px;
        font-size: 14px;
    }

    .section-title {
        font-size: 28px;
    }

    .product-card {
        padding: 32px 24px;
    }

    .contact-card {
        padding: 32px 24px;
    }

    .client-logo {
        width: 120px;
        height: 60px;
    }
}

/* ============================================
   Utility Classes
============================================ */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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