/* ========================================
   LIGHKEEP - ODM/OEM Website Styles
   ======================================== */

:root {
    --w3-primary: #02a0e9;
    --w3-primary-dark: #0280c4;
    --w3-primary-light: #4bb8f0;
    --w3-primary-glow: rgba(2, 160, 233, 0.3);
    --w3-white: #ffffff;
    --w3-gray-50: #f8fafc;
    --w3-gray-100: #f1f5f9;
    --w3-gray-200: #e2e8f0;
    --w3-gray-300: #cbd5e1;
    --w3-gray-400: #94a3b8;
    --w3-gray-500: #64748b;
    --w3-gray-600: #475569;
    --w3-gray-700: #334155;
    --w3-gray-800: #1e293b;
    --w3-gray-900: #0f172a;
    --w3-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --w3-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --w3-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --w3-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.w3-wrapper, body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--w3-gray-700);
    background: var(--w3-white);
    overflow-x: hidden;
}

.w3-wrapper a, body a {
    text-decoration: none;
    color: inherit;
}

.w3-wrapper ul, body ul { list-style: none; }
.w3-wrapper img, body img { max-width: 100%; height: auto; display: block; }

.w3-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.w3-wrapper h1, body h1,
.w3-wrapper h2, body h2,
.w3-wrapper h3, body h3,
.w3-wrapper h4, body h4 { font-weight: 700; color: var(--w3-gray-900); line-height: 1.2; }

/* ========================================
   Navigation
   ======================================== */
.w3-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--w3-gray-100);
    transition: all 0.3s ease;
}

.w3-nav.w3-scrolled { box-shadow: var(--w3-shadow-md); }

.w3-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.w3-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--w3-primary);
    letter-spacing: 2px;
}

.w3-nav-links {
    display: flex;
    gap: 4px;
}

.w3-nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--w3-gray-600);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.w3-nav-link:hover, .w3-nav-link.w3-active {
    color: var(--w3-primary);
    background: rgba(2, 160, 233, 0.08);
}

.w3-nav-cta {
    padding: 8px 20px;
    background: var(--w3-primary);
    color: white !important;
    border-radius: 6px;
    font-weight: 600;
}

.w3-nav-cta:hover {
    background: var(--w3-primary-dark);
}

.w3-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.w3-mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--w3-gray-700);
    transition: all 0.3s ease;
}

/* ========================================
   Hero Banner
   ======================================== */
.w3-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--w3-gray-50) 0%, var(--w3-white) 50%, rgba(2, 160, 233, 0.05) 100%);
}

.w3-hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.w3-hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(2, 160, 233, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, rgba(2, 160, 233, 0.08) 0%, transparent 40%);
}

.w3-hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(2, 160, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(2, 160, 233, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.w3-hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.w3-hero-shape {
    position: absolute;
    border-radius: 50%;
    animation: w3-float 20s infinite ease-in-out;
}

.w3-hero-shape-1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(2, 160, 233, 0.15) 0%, transparent 70%);
    top: -10%; right: -5%;
}

.w3-hero-shape-2 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(2, 160, 233, 0.1) 0%, transparent 70%);
    bottom: -5%; left: 10%;
    animation-delay: -8s;
}

.w3-hero-shape-3 {
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(2, 160, 233, 0.12) 0%, transparent 70%);
    top: 30%; left: 60%;
    animation-delay: -15s;
}

@keyframes w3-float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -20px) rotate(3deg); }
    50% { transform: translate(0, -30px) rotate(0deg); }
    75% { transform: translate(-20px, -20px) rotate(-3deg); }
}

.w3-hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.w3-hero-text { animation: w3-slideInLeft 0.8s ease; }

@keyframes w3-slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

.w3-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(2, 160, 233, 0.1);
    color: var(--w3-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.w3-hero-badge::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--w3-primary);
    border-radius: 50%;
    animation: w3-pulse 2s infinite;
}

@keyframes w3-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.w3-hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.15;
    margin-bottom: 16px;
}

.w3-hero-title span {
    display: block;
}

.w3-hero-title .w3-accent {
    color: var(--w3-primary);
    position: relative;
}

.w3-hero-title .w3-accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 10px;
    background: rgba(2, 160, 233, 0.2);
    z-index: -1;
}

.w3-hero-subtitle {
    font-size: 1rem;
    color: var(--w3-gray-500);
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.w3-hero-subtitle span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.w3-hero-subtitle span::before {
    content: '●';
    color: var(--w3-primary);
    font-size: 0.6rem;
}

.w3-hero-en {
    font-size: 0.9rem;
    color: var(--w3-gray-400);
    margin-bottom: 28px;
    font-style: italic;
}

.w3-hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.w3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.w3-btn-primary {
    background: var(--w3-primary);
    color: white;
    border-color: var(--w3-primary);
}

.w3-btn-primary:hover {
    background: var(--w3-primary-dark);
    border-color: var(--w3-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--w3-primary-glow);
}

.w3-btn-outline {
    background: transparent;
    color: var(--w3-primary);
    border-color: var(--w3-primary);
}

.w3-btn-outline:hover {
    background: var(--w3-primary);
    color: white;
}

.w3-hero-visual {
    position: relative;
    animation: w3-slideInRight 0.8s ease 0.2s backwards;
}

@keyframes w3-slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.w3-hero-image {
    position: relative;
    background: linear-gradient(135deg, rgba(2, 160, 233, 0.1) 0%, rgba(2, 160, 233, 0.03) 100%);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 350px;
}

.w3-hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    border: 1px solid rgba(2, 160, 233, 0.1);
}

.w3-hero-icon {
    font-size: 6rem;
    opacity: 0.9;
}

.w3-hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--w3-gray-200);
}

.w3-stat {
    text-align: left;
}

.w3-stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--w3-primary);
    line-height: 1;
}

.w3-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--w3-gray-400);
    margin-top: 4px;
}

/* ========================================
   Section Styles
   ======================================== */
.w3-section {
    padding: 80px 0;
}

.w3-section-gray {
    background: var(--w3-gray-50);
}

.w3-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.w3-section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 12px;
}

.w3-section-header p {
    color: var(--w3-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Capabilities Grid
   ======================================== */
.w3-capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.w3-capability-card {
    background: var(--color-bg-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.w3-capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--w3-primary), var(--w3-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.w3-capability-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--w3-shadow-xl);
    border-color: transparent;
}

.w3-capability-card:hover::before {
    transform: scaleX(1);
}

.w3-capability-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    margin-bottom: 20px;
    font-size: 1.6rem;
}

.w3-capability-card h3 {
    font-size: var(--font-size-h4);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.w3-capability-card p {
    font-size: var(--font-size-body);
    color: var(--color-medium);
    margin-bottom: var(--space-lg);
}

/* ========================================
   Process Timeline
   ======================================== */
.w3-process-section {
    background: white;
    padding: 60px;
    border-radius: 24px;
}

.w3-process-section h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 50px;
}

.w3-process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.w3-process-timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 4px;
    background: linear-gradient(90deg, var(--w3-primary), var(--w3-primary-light));
    z-index: 0;
}

.w3-process-step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
    max-width: 180px;
}

.w3-process-num {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--w3-primary);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 16px;
    box-shadow: 0 4px 20px var(--w3-primary-glow);
    border: 4px solid white;
}

.w3-process-step h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.w3-process-step p {
    font-size: 0.8rem;
    color: var(--w3-gray-500);
}

/* ========================================
   Advantages
   ======================================== */
.w3-advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.w3-advantage-card {
    padding: var(--space-xl);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.w3-advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--w3-shadow-lg);
}

.w3-advantage-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--w3-primary);
    margin-bottom: 8px;
}

.w3-advantage-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.w3-advantage-card p {
    font-size: 0.85rem;
    color: var(--w3-gray-500);
}

/* ========================================
   Clients Grid
   ======================================== */
.w3-clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.w3-client-item {
    padding: 18px 36px;
    background: white;
    border-radius: 10px;
    border: 1px solid var(--w3-gray-200);
    font-weight: 700;
    color: var(--w3-gray-400);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.w3-client-item:hover {
    color: var(--w3-primary);
    border-color: var(--w3-primary-light);
    transform: scale(1.05);
}

/* ========================================
   Features Grid
   ======================================== */
.w3-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.w3-feature-card {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
}

.w3-feature-card:hover {
    background: white;
    box-shadow: var(--w3-shadow-lg);
    transform: translateX(8px);
}

.w3-feature-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 1.8rem;
}

.w3-feature-content h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.w3-feature-content p {
    font-size: 0.9rem;
    color: var(--w3-gray-500);
    line-height: 1.7;
}

/* ========================================
   QC Process
   ======================================== */
.w3-qc-flow {
    display: flex;
    justify-content: space-between;
    background: var(--w3-gray-50);
    padding: 50px;
    border-radius: 20px;
    position: relative;
}

.w3-qc-flow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, var(--w3-primary), var(--w3-primary-light), var(--w3-primary));
    transform: translateY(-50%);
}

.w3-qc-step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
}

.w3-qc-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 3px solid var(--w3-primary);
    border-radius: 50%;
    margin: 0 auto 12px;
    font-size: 1.4rem;
}

.w3-qc-step h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.w3-qc-step p {
    font-size: 0.75rem;
    color: var(--w3-gray-500);
}

/* ========================================
   Specs
   ======================================== */
.w3-specs-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.w3-spec-item {
    padding: 24px 16px;
    background: var(--w3-gray-50);
    border-radius: 12px;
    text-align: center;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.w3-spec-item:hover {
    border-color: var(--w3-primary-light);
    background: rgba(2, 160, 233, 0.05);
}

.w3-spec-label {
    font-size: 0.7rem;
    color: var(--w3-gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.w3-spec-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--w3-gray-800);
}

/* ========================================
   Factory Cards
   ======================================== */
.w3-factory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.w3-factory-card {
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--w3-gray-100);
    border-left: 5px solid var(--w3-primary);
    transition: all 0.4s ease;
}

.w3-factory-card:hover {
    transform: translateX(10px);
    box-shadow: var(--w3-shadow-lg);
}

.w3-factory-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.w3-factory-area {
    font-size: 2rem;
    font-weight: 800;
    color: var(--w3-primary);
    margin-bottom: 4px;
}

.w3-factory-card span {
    font-size: 0.85rem;
    color: var(--w3-gray-500);
}

/* ========================================
   Contact Section
   ======================================== */
.w3-contact-section {
    padding: 80px 0;
}

.w3-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.w3-contact-info h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.w3-contact-info > p {
    color: var(--w3-gray-500);
    margin-bottom: 32px;
}

.w3-contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.w3-contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.w3-contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 160, 233, 0.1);
    border-radius: 12px;
    font-size: 1.3rem;
}

.w3-contact-label {
    font-size: 0.75rem;
    color: var(--w3-gray-500);
}

.w3-contact-value {
    font-weight: 600;
    color: var(--w3-gray-800);
}

.w3-contact-form {
    background: var(--w3-gray-50);
    padding: 40px;
    border-radius: 20px;
}

.w3-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.w3-form-group {
    margin-bottom: 16px;
}

.w3-form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--w3-gray-700);
    margin-bottom: 6px;
}

.w3-form-group input,
.w3-form-group select,
.w3-form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--w3-gray-200);
    border-radius: 8px;
    background: white;
    transition: all 0.3s ease;
    font-family: inherit;
}

.w3-form-group input:focus,
.w3-form-group select:focus,
.w3-form-group textarea:focus {
    outline: none;
    border-color: var(--w3-primary);
    box-shadow: 0 0 0 3px var(--w3-primary-glow);
}

.w3-form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.w3-form-submit {
    width: 100%;
    margin-top: 8px;
}

/* ========================================
   Footer
   ======================================== */
.w3-footer {
    background: var(--w3-gray-900);
    color: var(--w3-gray-300);
    padding: 50px 0 24px;
}

.w3-footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 32px;
}

.w3-footer-brand .w3-logo {
    color: white;
}

.w3-footer-brand p {
    margin-top: 10px;
    color: var(--w3-gray-500);
    font-size: 0.9rem;
}

.w3-footer-links {
    display: flex;
    gap: 60px;
}

.w3-footer-col h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.w3-footer-col a {
    display: block;
    padding: 4px 0;
    color: var(--w3-gray-400);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.w3-footer-col a:hover {
    color: var(--w3-primary);
}

.w3-footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--w3-gray-800);
    text-align: center;
    color: var(--w3-gray-500);
    font-size: 0.85rem;
}

/* ========================================
   Animations
   ======================================== */
.w3-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.w3-animate.w3-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .w3-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .w3-hero-btns { justify-content: center; }
    .w3-hero-stats { justify-content: center; }
    .w3-hero-visual { display: none; }
    
    .w3-capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .w3-advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .w3-features-grid {
        grid-template-columns: 1fr;
    }
    
    .w3-specs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .w3-factory-grid {
        grid-template-columns: 1fr;
    }
    
    .w3-contact-grid {
        grid-template-columns: 1fr;
    }
    
    .w3-process-timeline {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }
    
    .w3-process-timeline::before { display: none; }
    
    .w3-qc-flow {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }
    
    .w3-qc-flow::before { display: none; }
}

@media (max-width: 768px) {
    .w3-nav-links {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        box-shadow: var(--w3-shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .w3-nav-links.w3-active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .w3-mobile-toggle { display: flex; }
    
    .w3-capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .w3-advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .w3-specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .w3-process-section { padding: 40px 20px; }
    
    .w3-form-row {
        grid-template-columns: 1fr;
    }
    
    .w3-footer-grid {
        flex-direction: column;
        text-align: center;
    }
    
    .w3-footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .w3-container { padding: 0 16px; }
    
    .w3-hero { padding: 100px 0 60px; }
    
    .w3-hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .w3-stat { text-align: center; }
    
    .w3-specs-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}