/* ============================================
   ANPUNA Glass Technology
   Complete Stylesheet
   https://anpuna.com
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #0a3d6b;
    --primary-light: #1a5a8a;
    --primary-dark: #062a4a;
    --accent: #e8632b;
    --accent-light: #f07a4a;
    --accent-dark: #c9501a;
    --success: #27ae60;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-tertiary: #7a7a9a;
    --bg-white: #ffffff;
    --bg-light: #f5f7fa;
    --bg-lighter: #e8ecf2;
    --border-light: #e0e4ea;
    --border-medium: #c8cdd5;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

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

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 20px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 99, 43, 0.3);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

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

.btn-white:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 15px;
}

.btn-block {
    width: 100%;
}

.btn-quote {
    display: inline-flex;
    align-items: center;
    padding: 10px 22px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-md);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-quote:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-img {
    height: 50px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 3px;
}

.logo-sub {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--bg-light);
}

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

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

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #062a4a 0%, #0a3d6b 50%, #1a5a8a 100%);
    overflow: hidden;
    padding-top: 72px;
}

.hero::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 1200 800"><defs><linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.03"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></linearGradient></defs><rect fill="url(%23g)" width="1200" height="800"/><circle cx="900" cy="300" r="200" fill="%23ffffff" opacity="0.02"/><circle cx="200" cy="600" r="150" fill="%23ffffff" opacity="0.015"/></svg>') center/cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(26, 90, 138, 0.3) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 80px 24px;
}

.hero-text {
    max-width: 720px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: linear-gradient(90deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 580px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255,255,255,0.5);
    border-bottom: 2px solid rgba(255,255,255,0.5);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- Trust Bar --- */
.trust-bar {
    background: var(--bg-white);
    padding: 0;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.trust-bar .container {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 40px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.trust-item {
    padding: 16px;
}

.trust-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.trust-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* --- Products Section --- */
.products-section {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    display: block;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.product-image {
    height: 220px;
    background: var(--bg-lighter);
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-info {
    padding: 24px;
}

.product-category {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 20px;
    margin-bottom: 12px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-brief {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.product-models {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.product-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
    color: var(--primary);
    font-size: 16px;
    font-weight: 700;
    transition: var(--transition);
}

.product-card:hover .product-arrow {
    background: var(--accent);
    color: #fff;
}

/* --- Solutions Section --- */
.solutions-section {
    background: var(--bg-white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.solution-card {
    padding: 36px 28px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    text-align: center;
}

.solution-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.solution-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.solution-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Applications Section --- */
.applications-section {
    background: var(--bg-light);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.app-card {
    padding: 28px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.app-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.app-icon {
    font-size: 36px;
    margin-bottom: 14px;
}

.app-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.app-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Why Section --- */
.why-section {
    background: var(--bg-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

.why-card {
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
}

.why-number {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 4px 12px;
    background: rgba(232, 99, 43, 0.08);
    border-radius: 20px;
}

.why-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- About Section --- */
.about-section {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text .section-tag {
    margin-bottom: 16px;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 28px 0;
}

.stat {
    padding: 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.about-image-placeholder {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Cases Section --- */
.cases-section {
    background: var(--bg-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.case-card {
    padding: 32px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.case-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.case-flag {
    font-size: 32px;
    margin-bottom: 16px;
}

.case-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.case-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 20px;
}

/* --- Testimonials --- */
.testimonials-section {
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.testimonial-card {
    padding: 32px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    font-size: 40px;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 12px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.author-company {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* --- Contact Section --- */
.contact-section {
    background: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-detail p,
.contact-detail a {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-detail a:hover {
    color: var(--accent);
}

.contact-form-wrapper {
    background: var(--bg-light);
    padding: 36px;
    border-radius: var(--radius-lg);
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: var(--font-main);
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 61, 107, 0.1);
}

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

.form-note {
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 8px;
}

/* --- Footer --- */
.footer {
    background: var(--text-primary);
    color: rgba(255,255,255,0.6);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo .logo-text {
    color: #fff;
}

.footer-logo .logo-sub {
    color: rgba(255,255,255,0.5);
}

.footer-col > p {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent-light);
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #fff;
    font-size: 14px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
}

/* --- Production Line Flow --- */
.line-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 40px 0;
}

.line-step {
    text-align: center;
    padding: 24px 20px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    min-width: 140px;
    transition: var(--transition);
}

.line-step:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-4px);
}

.line-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 12px;
}

.line-step h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.line-step p {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}

.line-connector {
    font-size: 20px;
    color: rgba(255,255,255,0.4);
    font-weight: 700;
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --- Product Detail Page --- */
.product-detail-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 140px 0 60px;
    text-align: center;
    color: #fff;
}

.product-detail-hero h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-detail-hero p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
}

.product-detail-content {
    padding: 80px 0;
}

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

.product-detail-image {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 400px;
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-detail-info h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.product-detail-info > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.spec-table th,
.spec-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

.spec-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--primary);
    width: 38%;
}

.spec-table td {
    color: var(--text-secondary);
}

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

.features-list {
    list-style: none;
    margin: 24px 0;
}

.features-list li {
    padding: 10px 0 10px 28px;
    position: relative;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
    font-size: 16px;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        gap: 4px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-link {
        padding: 12px 16px;
        width: 100%;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .btn-quote {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .trust-number {
        font-size: 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

/* ============================================
   Product Detail Page - New Sections
   ============================================ */

/* Section Spacing */
.product-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* Product Overview Grid */
.product-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.overview-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.overview-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Key Specs Badges */
.key-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 30px;
}

.spec-badge {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    color: #fff;
}

.spec-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.spec-label {
    display: block;
    font-size: 13px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Performance Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-light);
    padding: 30px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    background: #fff;
    border-color: var(--primary-light);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Application Areas Grid */
.application-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.application-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.application-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.application-card h3 {
    background: #fff;
    padding: 16px;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.application-card p {
    background: #fff;
    padding: 0 16px 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* Responsive for Product Detail */
@media (max-width: 1024px) {
    .product-overview-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .application-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .key-specs {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
    }
}