/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    --red: #b10b1a;
    --red-hover: #d40e20;
    --red-dark: #8a0814;
    --dark: #0d0d0d;
    --dark-2: #1a1a1a;
    --dark-3: #252525;
    --dark-4: #333333;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #cccccc;
    --gray-400: #999999;
    --gray-500: #666666;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Oswald', 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
    --radius: 8px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--dark);
    color: var(--gray-200);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 3px;
    border-radius: 4px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ============================================
   UTILITY
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-label {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.section-desc {
    font-size: 17px;
    color: var(--gray-400);
    max-width: 600px;
    line-height: 1.8;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--red-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(177, 11, 26, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.05);
}

.btn-disabled {
    background: var(--dark-4);
    color: var(--gray-400);
    cursor: default;
    position: relative;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

.btn-disabled .coming-soon {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: var(--red);
    color: var(--white);
    padding: 2px 8px;
    border-radius: 4px;
    position: absolute;
    top: -8px;
    right: -8px;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   SKIP LINK (Accessibility)
   ============================================ */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--red);
    color: var(--white);
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 700;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 16px;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

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

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

.logo img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    transition: var(--transition);
}

.header.scrolled .logo img {
    width: 50px;
    height: 50px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav a {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.7);
    border-radius: 6px;
    transition: var(--transition);
}

.nav a:hover,
.nav a.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid rgba(255,255,255,0.15);
}

.lang-switcher a {
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.4);
    border-radius: 4px;
    transition: var(--transition);
}

.lang-switcher a:hover {
    color: var(--white);
}

.lang-switcher a.active {
    color: var(--white);
    background: var(--red);
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('../img/Drivous-body-bg-scaled.webp') center/cover no-repeat;
    filter: brightness(0.45);
}

.no-webp .hero-bg {
    background-image: url('../img/Drivous-body-bg-scaled.jpg');
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,13,13,0.9) 0%, rgba(13,13,13,0.4) 50%, rgba(177,11,26,0.15) 100%);
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 60px;
}

.hero-content {
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(177, 11, 26, 0.15);
    border: 1px solid rgba(177, 11, 26, 0.3);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--red-hover);
    margin-bottom: 28px;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.05;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero h1 .accent {
    color: var(--red);
}

.hero-desc {
    font-size: 18px;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 500px;
    width: 100%;
    filter: drop-shadow(0 20px 60px rgba(0,0,0,0.6));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat .number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
}

.hero-stat .label {
    font-size: 13px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    background: var(--dark-2);
    position: relative;
}

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

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--dark-3);
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.08);
    pointer-events: none;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 36px;
}

.about-feature {
    padding: 20px;
    background: var(--dark-3);
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.about-feature:hover {
    border-color: rgba(177,11,26,0.3);
    transform: translateY(-2px);
}

.about-feature .icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(177,11,26,0.15);
    border-radius: 8px;
    margin-bottom: 12px;
}

.about-feature h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ============================================
   VIDEO
   ============================================ */
.video-section {
    background: var(--dark);
    text-align: center;
}

.video-loaded {
    position: relative;
    max-width: 900px;
    margin: 50px auto 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16 / 9;
}

.video-loaded iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   FAQ / ACCORDION
   ============================================ */
.faq {
    background: var(--dark-2);
}

.faq .container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.accordion-item {
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover {
    border-color: rgba(255,255,255,0.12);
}

.accordion-item.active {
    border-color: rgba(177,11,26,0.3);
}

.accordion-trigger {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: none;
    border: none;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.accordion-trigger:hover {
    background: rgba(255,255,255,0.03);
}

.accordion-trigger .icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border-radius: 6px;
    flex-shrink: 0;
    transition: var(--transition);
}

.accordion-item.active .accordion-trigger .icon {
    background: var(--red);
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-content-inner {
    padding: 0 24px 24px;
    font-size: 15px;
    color: var(--gray-400);
    line-height: 1.8;
}

.accordion-content-inner p {
    margin-bottom: 12px;
}

.accordion-content-inner p:last-child {
    margin-bottom: 0;
}

.accordion-content-inner ul {
    list-style: none;
    margin: 12px 0;
}

.accordion-content-inner ul li {
    padding: 4px 0 4px 20px;
    position: relative;
}

.accordion-content-inner ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
}

.accordion-content-inner ul ul {
    margin: 4px 0 4px 8px;
}

.accordion-content-inner strong {
    color: var(--white);
}

.accordion-content-inner .warning {
    background: rgba(177,11,26,0.1);
    border-left: 3px solid var(--red);
    padding: 12px 16px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-top: 12px;
    font-weight: 600;
    color: var(--gray-300);
}

/* ============================================
   SPECS
   ============================================ */
.specs {
    background: var(--dark);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 50px;
}

.spec-card {
    padding: 28px;
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    transition: var(--transition);
}

.spec-card:hover {
    border-color: rgba(177,11,26,0.3);
    transform: translateY(-3px);
}

.spec-card .spec-icon {
    margin-bottom: 14px;
}

.spec-card h4 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 6px;
}

.spec-card .value {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--white);
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    background: var(--dark-2);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: 16px;
    margin-top: 50px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-item:first-child {
    grid-row: 1 / 3;
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.08);
    z-index: 1;
    pointer-events: none;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products {
    background: var(--dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    border-color: rgba(177,11,26,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-card-image {
    background: var(--dark-3);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.product-card-image img {
    max-width: 160px;
    max-height: 160px;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.product-card p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-card .btn {
    padding: 12px 24px;
    font-size: 13px;
    align-self: flex-start;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--red-dark) 0%, var(--red) 50%, var(--red-dark) 100%);
    text-align: center;
    padding: 80px 0;
}

.cta .section-title {
    margin-bottom: 16px;
}

.cta .section-desc {
    color: rgba(255,255,255,0.8);
    margin: 0 auto 36px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 40px 0;
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

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

.footer-left img {
    width: 32px;
    height: 32px;
}

.footer-left span {
    font-size: 14px;
    color: var(--gray-500);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 13px;
    color: var(--gray-500);
    transition: var(--transition);
}

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

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.92);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    cursor: pointer;
}

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

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform 0.4s ease;
}

.lightbox.open img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--red);
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(177,11,26,0.4);
    z-index: 100;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--red-hover);
    transform: translateY(-3px);
}

/* ============================================
   PERFORMANCE: content-visibility for offscreen
   ============================================ */
.faq,
.specs,
.gallery,
.products,
.cta {
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
}

/* ============================================
   YOUTUBE FACADE
   ============================================ */
.video-facade {
    position: relative;
    max-width: 900px;
    margin: 50px auto 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16 / 9;
    cursor: pointer;
    background: var(--dark-3);
}

.video-facade img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-facade::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
    transition: background 0.3s ease;
}

.video-facade:hover::after {
    background: rgba(0,0,0,0.15);
}

.video-facade .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 80px;
    height: 80px;
    background: var(--red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 30px rgba(177,11,26,0.5);
}

.video-facade:hover .play-btn {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--red-hover);
}

.video-facade .play-btn svg {
    margin-left: 4px;
}

.video-facade::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.08);
    z-index: 1;
    pointer-events: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image img {
        max-width: 380px;
    }

    .about .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .faq .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .gallery-item:first-child {
        grid-row: auto;
    }

    .gallery-item {
        height: 240px;
    }

    .lang-switcher {
        margin-left: 8px;
        padding-left: 8px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        flex-direction: column;
        background: var(--dark-2);
        padding: 100px 24px 40px;
        gap: 4px;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }

    .nav.open {
        right: 0;
    }

    .nav a {
        width: 100%;
        padding: 14px 18px;
        font-size: 15px;
    }

    .nav .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 16px;
        margin-top: 12px;
        width: 100%;
        justify-content: flex-start;
    }

    .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(5px, -5px);
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        z-index: 998;
    }

    .nav-overlay.open {
        display: block;
    }

    .hero .container {
        padding-top: 120px;
    }

    .hero-image img {
        max-width: 300px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat .number {
        font-size: 28px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

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

    .gallery-item {
        height: 220px;
    }

    .product-card {
        grid-template-columns: 1fr;
    }

    .product-card-image {
        padding: 30px;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

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

    .btn {
        padding: 14px 28px;
        font-size: 14px;
    }

    .logo img {
        width: 56px;
        height: 56px;
    }
}