/* ========================================
   PT Stainless Jaya Makmur — Minimalist Modern
   ======================================== */

/* Reset & Variables */
:root {
    --bg: #ffffff;
    --bg-alt: #f8f9fa;
    --text: #1a1a1a;
    --text-muted: #6c757d;
    --accent: #007bff;
    --accent-light: #e3f2fd;
    --accent-dark: #0056b3;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navigation ─────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 6%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    padding: 16px 6%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.logo:hover::after {
    width: 100%;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

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

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

.nav-links a:hover {
    color: var(--accent);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    z-index: 1001;
    padding: 4px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    position: absolute;
    left: 0;
    border-radius: 1px;
}

.menu-toggle span:first-child { top: 6px; }
.menu-toggle span:nth-child(2) { top: 12px; }
.menu-toggle span:last-child { bottom: 6px; }

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:first-child {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.menu-toggle.open span:last-child {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ── Hero ───────────────────────────────── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    transform: scale(1.1) translateZ(0);
    transition: transform 0.7s ease;
    will-change: transform;
}

.hero:hover .hero-img {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 123, 255, 0.1) 0%,
        rgba(0, 123, 255, 0.2) 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: 0 24px;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag {
    font-size: 0.875rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 24px;
    opacity: 0.9;
    font-weight: 500;
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-sub {
    font-size: 1.125rem;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 48px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: var(--transition);
    display: inline-block;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--accent-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.8);
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: var(--white);
    color: var(--accent);
    border-color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ── Stats ──────────────────────────────── */
.stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding: 80px 24px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="50" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="30" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.stat {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 20px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
}

.stat-num {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    font-weight: 500;
}

/* ── Sections ───────────────────────────── */
.section {
    padding: 120px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-tag {
    text-align: center;
    font-size: 0.875rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    font-weight: 600;
    position: relative;
}

.section-tag::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 80px;
    color: var(--text);
    line-height: 1.2;
}

.section-desc {
    text-align: center;
    color: var(--text-muted);
    max-width: 600px;
    margin: -60px auto 60px;
    font-size: 1rem;
    line-height: 1.6;
}

/* ── Product Grid ───────────────────────── */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-light) 0%, rgba(0, 123, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: -1;
}

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

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

.card:active {
    transform: translateY(-4px);
    transition: transform 0.1s ease;
}

.card.clicked {
    animation: cardClick 0.3s ease;
}

@keyframes cardClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

.card-icon {
    margin-bottom: 24px;
    transition: var(--transition);
}

.card:hover .card-icon {
    transform: scale(1.1);
}

.card-icon img {
    width: 48px;
    height: 40px;
    object-fit: contain;
    opacity: 0.8;
    filter: grayscale(20%);
    transition: var(--transition);
}

.card:hover .card-icon img {
    opacity: 1;
    filter: none;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
    color: var(--text);
    transition: var(--transition);
    position: relative;
}

.card h3::after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: var(--transition);
    color: var(--accent);
    font-size: 1rem;
}

.card:hover h3 {
    color: var(--accent);
    transform: translateX(-4px);
}

.card:hover h3::after {
    opacity: 1;
    right: -24px;
}

.card:hover h3 {
    color: var(--accent);
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: var(--transition);
}

.card:hover p {
    color: var(--text);
}

/* ── Table ──────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.spec-table th {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    text-align: left;
    padding: 20px 24px;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.spec-table td {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 0.95rem;
    color: var(--text);
    transition: var(--transition);
}

.spec-table tbody tr:hover {
    background: var(--bg-alt);
    transform: scale(1.01);
}

.spec-table tbody tr {
    transition: var(--transition);
}

.spec-table tbody tr.highlighted {
    background: linear-gradient(135deg, var(--accent-light) 0%, rgba(0, 123, 255, 0.1) 100%);
    transform: scale(1.02);
    box-shadow: var(--shadow);
    animation: highlightPulse 2s ease-in-out;
}

@keyframes highlightPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1.02); }
}

.spec-table strong {
    color: var(--text);
    font-weight: 600;
}

/* ── Footer ─────────────────────────────── */
footer {
    background: var(--text);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, transparent 50%);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.footer-brand p {
    font-size: 1rem;
    opacity: 0.8;
    font-weight: 400;
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 8px;
    transition: var(--transition);
}

.footer-col p:hover {
    color: var(--white);
    transform: translateX(4px);
}

.contact-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
}

.contact-link:hover {
    color: var(--white);
    border-bottom-color: var(--accent);
    text-decoration: none;
}

.contact-link:active {
    transform: scale(0.98);
}

.footer-map {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-map iframe {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.footer-map iframe:hover {
    box-shadow: 0 12px 24px rgba(0, 123, 255, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    font-size: 0.875rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* ── Reveal Animation ───────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── Scroll Progress Indicator ───────────── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 100%);
    z-index: 1001;
    transition: width 0.3s ease;
}

/* ── Loading Animation ───────────────────── */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--bg-alt);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ── Product Carousel ─────────────────── */
.product-carousel-section {
    padding: 80px 0;
    background: var(--bg-alt);
}

.product-carousel-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text);
}

.carousel-container {
    position: relative;
    width: 600px;
    height: 750px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.carousel-wrapper {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blurred-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(10px);
    z-index: -1;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 40px 30px 30px;
    text-align: center;
}

.carousel-caption h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.carousel-caption p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.carousel-btn:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--accent);
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.back-to-top svg {
    transition: var(--transition);
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

/* ── Product Catalog Pages ───────────────── */
.product-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--accent-light) 0%, rgba(0, 123, 255, 0.05) 100%);
    padding: 120px 0 80px;
    margin-top: -80px;
    padding-top: 200px;
}

.product-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumb {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--accent-dark);
}

.product-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.product-tagline {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-weight: 400;
}

.product-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.product-meta span {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.category {
    background: var(--accent);
    color: var(--white);
}

.material {
    background: var(--bg-alt);
    color: var(--text);
}

.product-hero-image {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.main-product-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
}

.product-details {
    padding: 80px 0;
    background: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
}

.product-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 40px 0 20px;
}

.product-info p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-alt);
    position: relative;
    padding-left: 24px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.feature-list strong {
    color: var(--text);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.spec-item {
    background: var(--bg-alt);
    padding: 20px;
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
}

.spec-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.spec-value {
    display: block;
    font-size: 1rem;
    color: var(--text);
    font-weight: 500;
}

/* ── Product Models Grid ───────────────── */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.model-item {
    background: var(--bg-alt);
    padding: 24px;
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
    transition: var(--transition);
}

.model-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.model-item h4 {
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.model-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.model-type {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-sidebar {
    position: sticky;
    top: 120px;
}

.contact-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--bg-alt);
    margin-bottom: 40px;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.contact-card p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.contact-info {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--bg-alt);
}

.contact-info p {
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.related-products h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
}

.related-product {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: 12px;
}

.related-product:hover {
    background: var(--accent-light);
    transform: translateX(4px);
}

.related-product img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.related-product span {
    color: var(--text);
    font-weight: 500;
}

.applications {
    padding: 80px 0;
    background: var(--bg-alt);
}

.applications h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 60px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.app-item {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.app-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.app-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.app-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        padding: 100px 24px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        color: var(--text) !important;
        font-size: 1.125rem;
        letter-spacing: 1px;
        padding: 12px 24px;
        border-radius: var(--radius);
        transition: var(--transition);
    }

    .nav-links a:hover {
        background: var(--accent-light);
        color: var(--accent) !important;
        transform: translateY(-2px);
    }

    .hero h1 {
        font-size: 2.8rem;
    }

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

    .stats {
        flex-direction: column;
        gap: 40px;
        padding: 60px 24px;
    }

    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 60px;
    }

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

    .footer-top {
        flex-direction: column;
        gap: 40px;
    }

    .footer-info {
        flex-direction: column;
        gap: 40px;
    }

    .footer-map iframe {
        width: 100% !important;
        height: 250px !important;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: 18px 24px;
    }

    .container {
        padding: 0 20px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 40px;
    }

    .footer-map iframe {
        width: 100% !important;
        height: 200px !important;
    }
}

/* ── Responsive Design for Product Pages ───────────────── */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-sidebar {
        position: static;
    }

    .main-product-image {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 100px 0 60px;
        margin-top: -60px;
        padding-top: 160px;
        text-align: center;
    }

    .product-hero-content {
        max-width: 100%;
        padding: 0 20px;
    }

    .product-hero-image {
        position: static;
        margin: 40px auto 0;
        width: 200px;
        height: 200px;
    }

    .product-hero h1 {
        font-size: 2.5rem;
    }

    .product-tagline {
        font-size: 1rem;
    }

    .product-details {
        padding: 60px 0;
    }

    .product-info h2 {
        font-size: 1.75rem;
    }

    .product-info h3 {
        font-size: 1.25rem;
    }

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

    .app-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }

    .applications h2 {
        font-size: 1.75rem;
        margin-bottom: 50px;
    }
}

@media (max-width: 480px) {
    .product-hero h1 {
        font-size: 2rem;
    }

    .product-hero-image {
        width: 150px;
        height: 150px;
    }

    .main-product-image {
        width: 120px;
        height: 120px;
    }

    .product-meta {
        justify-content: center;
    }

    .product-meta span {
        font-size: 0.8rem;
        padding: 4px 12px;
    }

    .contact-card {
        padding: 24px;
    }

    .related-product {
        padding: 12px;
    }

    .related-product img {
        width: 35px;
        height: 35px;
    }

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

    .app-item {
        padding: 24px;
    }
}

/* ── Models Grid Responsive ────────────── */
@media (max-width: 768px) {
    .models-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .model-item {
        padding: 20px;
    }

    .model-item h4 {
        font-size: 1rem;
    }
}

/* ── Carousel Responsive Design ───────────────── */
@media (max-width: 768px) {
    .product-carousel-section {
        padding: 60px 0;
    }

    .product-carousel-section h2 {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .carousel-image {
        height: 300px;
    }

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

    .carousel-caption h3 {
        font-size: 1.25rem;
    }

    .carousel-caption p {
        font-size: 0.9rem;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .carousel-btn.prev {
        left: 10px;
    }

    .carousel-btn.next {
        right: 10px;
    }

    .carousel-indicators {
        bottom: 15px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .carousel-image {
        height: 250px;
    }

    .carousel-caption h3 {
        font-size: 1.1rem;
    }

    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}