:root {
    --ink: #edf2f7;
    --slate-900: #f8fafc;
    --slate-800: #f1f5f9;
    --slate-700: #cbd5e1;
    --slate-600: #94a3b8;
    --slate-400: #475569;
    --slate-300: #1e293b;
    --slate-100: #0f172a;
    --amber: #3b82f6;
    --amber-light: #60a5fa;
    --amber-dark: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.1);
    --text-primary: #0f172a;
    --text-secondary: #475569;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--ink);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: var(--amber);
    color: #ffffff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--slate-900);
}
::-webkit-scrollbar-thumb {
    background: var(--slate-700);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--amber);
}

/* ===== Top Bar ===== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 36px;
    background: var(--amber-dark);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    font-size: 13px;
    z-index: 1001;
    letter-spacing: 0.3px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-item svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.top-bar a {
    color: #fff;
    text-decoration: none;
}

.top-bar a:hover {
    opacity: 0.85;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 36px;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 5%;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: rgba(237, 242, 247, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 42px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--amber);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--amber);
    transition: width 0.3s ease;
}

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

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

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

.mobile-menu-btn span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 156px 5% 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to top, var(--ink), transparent);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 620px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 100px;
    font-size: 13px;
    color: var(--amber);
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--amber);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero h1 .highlight {
    color: var(--amber);
    position: relative;
}

.hero-desc {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 520px;
    line-height: 1.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    color: var(--ink);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--slate-700);
}

.btn-secondary:hover {
    border-color: var(--amber);
    color: var(--amber);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-bg {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-image-placeholder {
    width: 100%;
    max-width: 520px;
    aspect-ratio: 4/3;
    background: linear-gradient(145deg, var(--slate-800), var(--slate-900));
    border-radius: 20px;
    border: 1px solid var(--slate-700);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.hero-image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            rgba(59, 130, 246, 0.03) 20px,
            rgba(59, 130, 246, 0.03) 21px
    );
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.hero-image-placeholder .icon {
    font-size: 64px;
    color: var(--amber);
    opacity: 0.8;
    z-index: 1;
}

.hero-image-placeholder .label {
    font-size: 14px;
    color: var(--slate-400);
    z-index: 1;
    letter-spacing: 2px;
}

/* ===== Carousel ===== */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}
.carousel-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--slate-700);
    aspect-ratio: 21/9;
    min-height: 360px;
}
.carousel-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    padding: 60px;
    background: linear-gradient(135deg, var(--slate-800) 0%, var(--slate-900) 100%);
    background-size: cover;
    background-position: center;
}
.carousel-slide.has-image {
    background-image: linear-gradient(135deg, rgba(237, 242, 247, 0.9) 0%, rgba(237, 242, 247, 0.4) 50%, rgba(237, 242, 247, 0) 100%), url('/assets/images/poster/dj-02-2yh.jpg');
    background-position: center right;
    background-size: cover;
}
.carousel-slide.has-image-2 {
    background-image: linear-gradient(135deg, rgba(237, 242, 247, 0.9) 0%, rgba(237, 242, 247, 0.4) 50%, rgba(237, 242, 247, 0) 100%), url('/assets/images/poster/dj-04-2yl.jpg');
    background-position: center right;
    background-size: cover;
}
.carousel-slide.has-image-3 {
    background-image: linear-gradient(135deg, rgba(237, 242, 247, 0.9) 0%, rgba(237, 242, 247, 0.4) 50%, rgba(237, 242, 247, 0) 100%), url('/assets/images/poster/dj-01-1yj.jpg');
    background-position: center right;
    background-size: cover;
}
.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
}
.carousel-slide .slide-bg-icon {
    position: absolute;
    right: 40px;
    bottom: 40px;
    font-size: 180px;
    opacity: 0.06;
    color: var(--amber);
    line-height: 1;
}
.slide-content {
    position: relative;
    z-index: 2;
    max-width: 520px;
}
.slide-content .tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 100px;
    font-size: 12px;
    color: var(--amber);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.slide-content h2 {
    font-size: clamp(26px, 3.5vw, 44px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.slide-content h2 .accent { color: var(--amber); }
.slide-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 420px;
}
.carousel-controls {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}
.carousel-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--slate-600);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}
.carousel-dot.active {
    background: var(--amber);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    width: 28px;
    border-radius: 5px;
}
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--slate-700);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}
.carousel-arrow:hover {
    background: var(--amber);
    border-color: var(--amber);
    color: var(--ink);
}
.carousel-arrow.prev { left: 16px; }
.carousel-arrow.next { right: 16px; }

/* ===== Contact Card (in hero) ===== */
.contact-card {
    background: linear-gradient(145deg, var(--slate-800), rgba(241, 245, 249, 0.8));
    border: 1px solid var(--slate-700);
    border-radius: 20px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
}
.contact-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--amber), var(--amber-dark));
}
.contact-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.contact-card .subtitle { font-size: 13px; color: var(--slate-400); margin-bottom: 12px; }
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--slate-700);
}
.contact-item:last-of-type { border-bottom: none; }
.contact-item .icon-wrap {
    width: 36px; height: 36px; min-width: 36px;
    border-radius: 10px;
    background: rgba(59, 130, 246, 0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: var(--amber);
}
.contact-item .info h4 { font-size: 13px; color: var(--slate-400); font-weight: 400; margin-bottom: 4px; }
.contact-item .info p { font-size: 14px; font-weight: 600; color: var(--text-primary); line-height: 1.5; }
.contact-card .btn { width: 100%; justify-content: center; margin-top: auto; }
.work-hours {
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 12px;
    padding: 14px 16px;
    margin-top: 4px;
}
.work-hours p { font-size: 12px; color: var(--slate-400); line-height: 1.6; }

/* ===== Section Common ===== */
section {
    padding: 100px 5%;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}

.section-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

/* ===== About Section ===== */
.about {
    background: linear-gradient(to bottom, var(--ink), var(--slate-900));
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.about-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-img {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.about-img-top {
    aspect-ratio: 16/9;
}

.about-img-bottom {
    aspect-ratio: 16/9;
}

.about-visual::after {
    content: '';
    position: absolute;
    bottom: -16px;
    right: -16px;
    width: 80px;
    height: 80px;
    border: 3px solid var(--amber);
    border-radius: 10px;
    opacity: 0.25;
    z-index: -1;
}

.about-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.9;
}

.company-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.info-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--slate-700);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.info-card:hover {
    border-color: var(--amber);
    background: rgba(59, 130, 246, 0.05);
}

.info-card h4 {
    font-size: 13px;
    color: var(--amber);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.info-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== Products Section ===== */
.products {
    background: var(--slate-900);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: linear-gradient(145deg, var(--slate-800), rgba(241, 245, 249, 0.6));
    border: 1px solid var(--slate-700);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
    cursor: pointer;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

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

.product-image {
    width: 100%;
    aspect-ratio: 1/1;
    background: linear-gradient(145deg, var(--slate-700), var(--slate-800));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.product-image .icon {
    font-size: 56px;
    color: var(--amber);
    opacity: 0.7;
    z-index: 1;
}

.product-image .label {
    font-size: 13px;
    color: var(--slate-400);
    letter-spacing: 2px;
    z-index: 1;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.product-info {
    padding: 28px;
    position: relative;
    z-index: 1;
}

.product-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(59, 130, 246, 0.12);
    color: var(--amber);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.product-info h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-link {
    color: var(--amber);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}

.product-link:hover {
    gap: 12px;
}

/* ===== Accessory Cards ===== */
.accessory-card .product-tag.accessory-tag {
    background: rgba(148, 163, 184, 0.12);
    color: var(--slate-300);
}

.accessory-card .product-image {
    background: var(--slate-900);
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2px;
    padding: 0;
}

.accessory-card .product-image img {
    position: static;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.accessory-card .product-image .icon,
.accessory-card .product-image .label {
    display: none;
}

/* ===== Product Details Section ===== */
.details {
    background: linear-gradient(to bottom, var(--slate-900), var(--ink));
}

.detail-block {
    max-width: 1200px;
    margin: 0 auto 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.detail-block:last-child {
    margin-bottom: 0;
}

.detail-block.reverse {
    direction: rtl;
}

.detail-block.reverse > * {
    direction: ltr;
}

.detail-visual {
    background: linear-gradient(145deg, var(--slate-800), var(--slate-900));
    border: 1px solid var(--slate-700);
    border-radius: 20px;
    aspect-ratio: 4/3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.detail-visual .icon {
    font-size: 64px;
    color: var(--amber);
    opacity: 0.7;
}

.detail-visual .label {
    font-size: 14px;
    color: var(--slate-400);
    letter-spacing: 2px;
}

.detail-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.detail-content > p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.8;
}

.spec-list {
    list-style: none;
}

.spec-list li {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--slate-800);
    font-size: 14px;
}

.spec-list li:last-child {
    border-bottom: none;
}

.spec-list .spec-label {
    color: var(--slate-400);
}

.spec-list .spec-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* ===== Features Bar ===== */
.features-bar {
    background: var(--slate-800);
    padding: 60px 5%;
    border-top: 1px solid var(--slate-700);
    border-bottom: 1px solid var(--slate-700);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
}

.feature-item .num {
    font-family: 'Orbitron', sans-serif;
    font-size: 40px;
    font-weight: 800;
    color: var(--amber);
    margin-bottom: 8px;
    line-height: 1;
}

.feature-item .label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== Clients Section ===== */
.clients {
    background: linear-gradient(to bottom, var(--slate-900), var(--ink));
}
.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto 50px;
}
.client-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--slate-700);
    border-radius: 16px;
    padding: 30px 24px;
    text-align: center;
    transition: all 0.3s ease;
}
.client-item:hover {
    border-color: var(--amber);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-4px);
}
.client-logo {
    font-size: 40px;
    margin-bottom: 14px;
    opacity: 0.8;
}
.client-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}
.client-item p {
    font-size: 13px;
    color: var(--slate-400);
}
.clients-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid var(--slate-800);
}
.stat-item {
    text-align: center;
}
.stat-num {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--amber);
    margin-bottom: 6px;
    line-height: 1;
}
.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}
@media (max-width: 1024px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .client-item {
        padding: 20px 16px;
    }
    .clients-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .stat-num {
        font-size: 28px;
    }
}

/* ===== Footer ===== */
.footer {
    background: var(--ink);
    padding: 80px 5% 40px;
    border-top: 1px solid var(--slate-800);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.footer-brand img {
    height: 48px;
    width: auto;
    margin-bottom: 12px;
    display: block;
}

.footer-brand-text {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-brand-text span {
    color: var(--amber);
}

.footer-brand p {
    color: var(--slate-400);
    font-size: 14px;
    line-height: 1.8;
    max-width: 300px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

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

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

.footer-col a {
    color: var(--slate-400);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.contact-info p {
    color: var(--slate-400);
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.6;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--slate-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--slate-600);
    font-size: 13px;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--slate-900);
    z-index: 1002;
    padding: 80px 30px 30px;
    transition: right 0.4s ease;
    border-left: 1px solid var(--slate-700);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    margin-bottom: 24px;
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: var(--amber);
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 28px;
    cursor: pointer;
}

/* ===== Floating Contact Panel ===== */
.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.floating-contact-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    border: none;
    color: var(--ink);
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.floating-contact-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.5);
}

.floating-contact-toggle .toggle-close {
    display: none;
    font-size: 28px;
    line-height: 1;
}

.floating-contact.open .floating-contact-toggle .toggle-icon {
    display: none;
}

.floating-contact.open .floating-contact-toggle .toggle-close {
    display: block;
}

.floating-contact-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 320px;
    background: linear-gradient(145deg, var(--slate-800), var(--slate-900));
    border: 1px solid var(--slate-700);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s ease;
}

.floating-contact.open .floating-contact-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.floating-header {
    background: linear-gradient(135deg, var(--amber), var(--amber-dark));
    color: var(--ink);
    padding: 20px;
}

.floating-header h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.floating-header p {
    font-size: 13px;
    opacity: 0.9;
}

.floating-body {
    padding: 16px;
}

.floating-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--slate-800);
}

.floating-item:last-child {
    border-bottom: none;
}

.fi-icon {
    font-size: 18px;
    color: var(--amber);
    margin-top: 2px;
    flex-shrink: 0;
}

.fi-label {
    font-size: 12px;
    color: var(--slate-400);
    margin-bottom: 2px;
}

.fi-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.4;
}

.floating-footer {
    padding: 0 16px 16px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--amber);
    color: var(--ink);
    border: none;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.45);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1003;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    background: linear-gradient(145deg, var(--slate-800), var(--slate-900));
    border: 1px solid var(--slate-700);
    border-radius: 20px;
    padding: 32px;
    z-index: 1004;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 30px 80px rgba(0,0,0,0.12);
}

.modal.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: var(--slate-400);
    font-size: 28px;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--amber);
}

.modal-header {
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* ===== Form ===== */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.required {
    color: var(--amber);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--slate-700);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--amber);
    background: rgba(59, 130, 246, 0.05);
}

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

.form-select option {
    background: var(--slate-800);
    color: var(--text-primary);
}

/* ===== Product Detail Modal ===== */
.product-modal {
    max-width: 600px;
}

.modal-product-visual {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(145deg, var(--slate-700), var(--slate-800));
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--slate-700);
}

.modal-product-icon {
    font-size: 64px;
    color: var(--amber);
    opacity: 0.8;
}

.modal-product-label {
    font-size: 14px;
    color: var(--slate-400);
    letter-spacing: 2px;
}

.modal-specs {
    margin-bottom: 8px;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid var(--slate-800);
}

.spec-table tr:last-child {
    border-bottom: none;
}

.spec-table td {
    padding: 12px 0;
    font-size: 14px;
}

.spec-table td:first-child {
    color: var(--slate-400);
    width: 40%;
}

.spec-table td:last-child {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .carousel-wrapper {
        aspect-ratio: 16/10;
        min-height: 340px;
    }

    .carousel-slide {
        padding: 40px 30px;
    }

    .contact-card {
        padding: 24px;
    }

    .about-grid,
    .detail-block,
    .detail-block.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 50px;
    }

    .detail-block > * {
        direction: ltr;
    }

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

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

@media (max-width: 768px) {
    .top-bar {
        font-size: 12px;
        gap: 16px;
    }

    .top-bar-hide-mobile {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 136px 5% 40px;
    }

    .carousel-wrapper {
        aspect-ratio: 16/11;
        min-height: 300px;
    }

    .carousel-slide {
        padding: 30px 20px;
    }

    .slide-content h2 {
        font-size: 24px;
    }

    .slide-content .tag {
        font-size: 11px;
        padding: 4px 14px;
    }

    .slide-content p {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .carousel-arrow {
        display: none;
    }

    .slide-bg-icon {
        font-size: 100px !important;
    }

    .hero h1 {
        font-size: 32px;
    }

    section {
        padding: 60px 5%;
    }

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

    .company-info {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px 20px;
    }

    .feature-item .num {
        font-size: 32px;
    }

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

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

    .floating-contact {
        bottom: 16px;
        right: 16px;
    }

    .floating-contact-panel {
        width: 280px;
        right: 0;
        bottom: 64px;
    }

    .back-to-top {
        bottom: 84px;
        right: 18px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .modal {
        padding: 24px;
        border-radius: 16px;
    }

    .modal-product-icon {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section-title {
        font-size: 26px;
    }

    .floating-contact-panel {
        width: calc(100vw - 32px);
        right: 0;
    }
}

/* ===== Reveal Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

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

/* ===== Form Success ===== */
.form-success {
    text-align: center; padding: 40px 20px;
}
.form-success .check-icon {
    width: 64px; height: 64px; border-radius: 50%;
    background: rgba(34, 197, 94, 0.15); color: #22c55e;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; margin: 0 auto 20px;
}
.form-success h3 { font-size: 20px; margin-bottom: 8px; color: var(--text-primary); }
.form-success p { color: var(--text-secondary); font-size: 14px; }