/* ===== Pacific LED Solutions — Western B2B Design ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #1B4FD8;
    --primary-dark: #153EA8;
    --primary-light: #3B6EF0;
    --accent: #F97316;
    --accent-dark: #EA580C;
    --dark: #0F172A;
    --dark-soft: #1E293B;
    --text: #334155;
    --text-light: #64748B;
    --text-muted: #94A3B8;
    --bg: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-warm: #FFF7ED;
    --border: #E2E8F0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: 0.25s ease;
    --header-h: 72px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    padding: 10px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
}

.logo-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.3px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 8px 12px;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(27, 79, 216, 0.06);
}

.nav-arrow {
    width: 10px;
    height: 10px;
    opacity: 0.5;
}

.dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 240px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
    padding: 8px;
    z-index: 100;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 10px 14px;
    color: var(--text);
    font-size: 14px;
    border-radius: 6px;
    transition: all var(--transition);
}

.dropdown a:hover {
    background: var(--bg-light);
    color: var(--primary);
    padding-left: 18px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-phone {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(27, 79, 216, 0.3);
}

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

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(249, 115, 22, 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-outline-dark {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

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

/* ===== Hero ===== */
.hero-section .hero,
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    overflow: hidden;
}

.home-page .home-block,
.home-page .home-cta-block {
    padding: 52px 0;
}

.home-page .home-cta-block {
    padding-bottom: 64px;
}

.home-page .section-header {
    margin-bottom: 32px;
}

.home-page .home-more-link {
    text-align: center;
    margin-top: 28px;
}

.home-page .hero-section.hero {
    min-height: calc(100vh - var(--header-h));
    padding-top: var(--header-h);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1516450360452-9312f5e86fc7?w=1920&q=80') center/cover no-repeat;
}

.hero-slides {
    position: absolute;
    inset: 0;
}

.hero-bg-slide {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1516450360452-9312f5e86fc7?w=1920&q=80') center/cover no-repeat;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-bg-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: all var(--transition);
}

.hero-dot.active, .hero-dot:hover {
    background: #fff;
    transform: scale(1.15);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.65) 50%, rgba(27, 79, 216, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding: 80px 0;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-desc {
    font-size: clamp(16px, 2vw, 19px);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    line-height: 1.7;
    max-width: 560px;
}

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

/* ===== Sections ===== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 3.5vw, 38px);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.7;
}

.bg-light {
    background: var(--bg-light);
}

.bg-dark {
    background: var(--dark);
    color: #fff;
}

.bg-dark .section-title {
    color: #fff;
}

.bg-dark .section-desc {
    color: rgba(255, 255, 255, 0.65);
}

.bg-dark .section-label {
    color: var(--accent);
}

/* ===== Why Choose Us ===== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    align-items: stretch;
}

.why-card {
    text-align: center;
    padding: 32px 20px;
}

.why-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(27, 79, 216, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.why-icon svg {
    width: 60px;
    height: 60px;
}

.why-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

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

.why-grid--home {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ===== About Page Grids ===== */
.page-about .about-block {
    padding: 80px 0;
}

.page-about .about-intro-img {
    margin-bottom: 32px;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.page-about .about-intro-img img {
    width: 100%;
}

.page-about .about-intro-text {
    line-height: 1.8;
    color: var(--text);
}

.page-about .about-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    height: 100%;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-about .about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(27, 79, 216, 0.15);
}

.page-about .why-grid--about {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.page-about .why-grid--about .why-card {
    text-align: left;
    padding: 32px 28px;
}

.page-about .why-grid--about .why-icon {
    margin: 0 0 20px;
}

.page-about .values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    align-items: stretch;
}

.page-about .value-card {
    position: relative;
    text-align: left;
    padding: 32px 28px;
    overflow: hidden;
}

.page-about .value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.page-about .value-num {
    display: block;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 16px;
}

.page-about .value-card h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.page-about .value-card p {
    font-size: 20px;
    color: var(--text-light);
    line-height: 1.65;
}

.page-about .industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.page-about .industry-card {
    padding: 28px;
    text-align: left;
}

.page-about .industry-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 18px;
    background: rgba(27, 79, 216, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.page-about .industry-icon svg {
    width: 60px;
    height: 60px;
}

.page-about .industry-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.page-about .industry-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
}

.about-cta-section {
    padding: 0 0 80px;
}

/* ===== Support Page ===== */
.page-support .support-block {
    padding: 80px 0;
}

.page-support .support-cta-section {
    padding: 0 0 80px;
}

.page-support .support-service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    align-items: stretch;
}

.page-support .support-service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    height: 100%;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-support .support-service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(27, 79, 216, 0.15);
}

.page-support .support-service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: 18px;
    font-size: 60px;
    background: rgba(27, 79, 216, 0.08);
    border-radius: 12px;
}

.page-support .support-service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.page-support .support-service-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
}

.page-support .warranty-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.page-support .warranty-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    height: 100%;
}

.page-support .warranty-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.page-support .warranty-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
}

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

.card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.solution-card, .product-card, .project-card, .blog-card {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.solution-card:hover, .product-card:hover, .project-card:hover, .blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.card-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.solution-card:hover .card-img img, .product-card:hover .card-img img,
.project-card:hover .card-img img, .blog-card:hover .card-img img {
    transform: scale(1.05);
}

.card-body {
    padding: 24px;
}

.card-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

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

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    margin-top: 12px;
}

.card-link:hover {
    gap: 8px;
}

/* ===== Products Home Grid ===== */
.product-home-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-home-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.product-home-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.product-home-card:hover img {
    transform: scale(1.06);
}

.product-home-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.85));
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.product-home-overlay h3 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
}

/* ===== Process Steps ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    border: 4px solid var(--bg-light);
}

.process-step h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

/* ===== Testimonials ===== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: all var(--transition);
}

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

.testimonial-stars {
    color: #FBBF24;
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

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

.testimonial-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.testimonial-org {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== CTA Banner ===== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    text-align: center;
    color: #fff;
}

.cta-banner h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-banner p {
    font-size: 17px;
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-accent {
    font-size: 16px;
    padding: 14px 36px;
}

/* ===== Page Banner ===== */
.page-banner {
    padding: calc(var(--header-h) + 48px) 0 48px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    position: relative;
    background-size: cover;
    background-position: center;
}

.page-banner--image {
    color: #fff;
    border-bottom: none;
}

.page-banner--image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.72), rgba(15, 23, 42, 0.45));
}

.page-banner--image .container {
    position: relative;
    z-index: 1;
}

.page-banner--image h1 {
    color: #fff;
}

.page-banner--image p {
    color: rgba(255, 255, 255, 0.88);
}

.page-banner--image .breadcrumb,
.page-banner--image .breadcrumb a {
    color: rgba(255, 255, 255, 0.75);
}

.page-banner--image .breadcrumb a:hover {
    color: #fff;
}

.page-banner h1 {
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 800;
    color: var(--bg);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.page-banner p {
    font-size: 17px;
    color: var(--bg);
    max-width: 600px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-light);
}

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

/* ===== Category Tabs ===== */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.category-tabs a {
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    border: 1px solid var(--border);
    background: #fff;
    transition: all var(--transition);
}

.category-tabs a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.category-tabs a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ===== Pagination ===== */
.page-pagination {
    margin-top: 48px;
    display: flex;
    justify-content: center;
}

.page-pagination .pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-pagination .pagination li {
    display: inline-flex;
}

.page-pagination .pagination a,
.page-pagination .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border);
    color: var(--text);
    background: #fff;
    transition: all var(--transition);
}

.page-pagination .pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-pagination .pagination .active span {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.page-pagination .pagination .disabled span {
    opacity: 0.5;
    cursor: default;
    background: var(--bg-light);
}

/* ===== Product Detail ===== */
.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
}

.product-hero-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

.product-hero-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.product-hero-text p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.suitable-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.suitable-tag {
    padding: 6px 16px;
    background: rgba(27, 79, 216, 0.08);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
}

.info-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.info-block {
    padding: 28px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.info-block h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-block h3::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}

.info-block p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== Solution Detail ===== */
.solution-hero {
    position: relative;
    padding: calc(var(--header-h) + 64px) 0 64px;
    color: #fff;
}

.solution-hero-bg {
    position: absolute;
    inset: 0;
}

.solution-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
}

.solution-hero .container {
    position: relative;
    z-index: 2;
}

.solution-hero h1 {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    margin-bottom: 12px;
}

.solution-hero p {
    font-size: 18px;
    opacity: 0.85;
    max-width: 600px;
    margin-bottom: 24px;
}

.benefit-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 32px 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
}

.benefit-item::before {
    content: '✓';
    color: var(--primary);
    font-weight: 800;
    font-size: 16px;
}

.product-detail-content {
    margin-top: 48px;
}

.product-detail-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin: 28px 0 10px;
}

.product-detail-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.solution-detail-content ul {
    list-style: none;
    padding: 0;
    margin: 32px 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.solution-detail-content ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
}

.solution-detail-content ul li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 800;
}

.solution-detail-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 16px;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
}

.article-body p {
    margin-bottom: 16px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin: 32px 0 12px;
}

.article-body img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    margin: 16px 0;
}

/* ===== Projects ===== */
.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
}

.project-meta span {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-meta strong {
    color: var(--dark);
    font-weight: 600;
}

.project-detail-hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

.project-detail-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.project-detail-img img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.project-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.project-spec {
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.project-spec label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.project-spec value, .project-spec span {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}

/* ===== Blog ===== */
.blog-card .card-body {
    padding: 20px 24px 24px;
}

.blog-meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.article-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 0 80px;
}

.article-content h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.article-content .article-meta {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin: 32px 0 12px;
}

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

/* ===== FAQ ===== */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    overflow: hidden;
    background: #fff;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    background: #fff;
    transition: background var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-item.open .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
}

/* ===== Contact ===== */
.page-contact .contact-intro-section {
    padding: 72px 0 48px;
}

.page-contact .contact-intro {
    max-width: 860px;
}

.page-contact .contact-intro .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.page-contact .contact-intro p {
    color: var(--text-light);
    line-height: 1.85;
    font-size: 16px;
    margin-bottom: 16px;
}

.page-contact .contact-info-section {
    padding: 72px 0;
}

.page-contact .contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.page-contact .contact-info-card {
    padding: 28px;
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    height: 100%;
}

.page-contact .contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 0;
    align-items: flex-start;
}

.page-contact .contact-item h4 {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.page-contact .contact-item p {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
    line-height: 1.4;
}

.page-contact .contact-item p a {
    color: var(--primary);
}

.page-contact .contact-item p a:hover {
    color: var(--primary-dark);
}

.page-contact .contact-item-desc,
.page-contact .contact-hours {
    display: block;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
    line-height: 1.65;
}

.page-contact .contact-cta-section {
    padding: 0 0 80px;
}

/* ===== Quote Modal ===== */
.quote-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.quote-modal.is-open {
    display: flex;
}

.quote-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.68);
}

.quote-modal-dialog {
    position: relative;
    width: 100%;
    max-width: 820px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.quote-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.06);
    color: var(--text-light);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition);
}

.quote-modal-close:hover {
    background: rgba(15, 23, 42, 0.12);
    color: var(--dark);
}

body.quote-modal-open {
    overflow: hidden;
}

.quote-modal .contact-form-block {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 40px 40px 36px;
}

.quote-modal .contact-form-head {
    margin-bottom: 28px;
    padding-bottom: 20px;
    padding-right: 36px;
    border-bottom: 1px solid var(--border);
}

.quote-modal .contact-form-head h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}

.quote-modal .contact-form-head p {
    font-size: 15px;
    color: var(--text-light);
}

.quote-modal .contact-form .required {
    color: #EF4444;
}

.quote-modal .phone-input-wrap {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 10px;
}

.quote-modal .phone-input-wrap select {
    padding: 11px 10px;
}

.quote-modal .contact-form-submit {
    margin-top: 8px;
    min-width: 200px;
}

.quote-modal .contact-form {
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
}

.quote-modal .iti {
    width: 100%;
}

.quote-modal .iti__country-container,
.quote-modal .iti__selected-country {
    max-height: 44px;
}

.quote-modal .quote-phone-input,
.quote-modal .iti input[type="tel"] {
    width: 100%;
    padding: 11px 14px 11px 52px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg-light);
}

.quote-modal .quote-phone-input:focus,
.quote-modal .iti input[type="tel"]:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(27, 79, 216, 0.1);
}

.quote-modal .iti__dropdown-content {
    z-index: 10001;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.contact-info-card {
    padding: 32px;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    background: rgba(27, 79, 216, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item h4 {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 2px;
    font-weight: 500;
}

.contact-item p {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: border-color var(--transition);
    background: var(--bg-light);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(27, 79, 216, 0.1);
}

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

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

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.about-img img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

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

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding: 40px;
    background: var(--primary);
    border-radius: var(--radius-xl);
    color: #fff;
    text-align: center;
}

.stat-num {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* ===== Installation Page ===== */
.install-hero {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.install-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
}

.install-detail:nth-child(even) {
    direction: rtl;
}

.install-detail:nth-child(even) > * {
    direction: ltr;
}

.install-detail-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.install-detail-img img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-weight: 800;
    font-size: 16px;
    margin-bottom: 12px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
    padding-top: 64px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

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

.footer-media-item {
    display: block;
    width: 52px;
    height: 52px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: all var(--transition);
}

a.footer-media-item:hover {
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.footer-media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-media-item--static {
    cursor: default;
}

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

.footer-col h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    padding: 5px 0;
    transition: all var(--transition);
}

.footer-col a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-address {
    font-size: 13px;
    padding: 5px 0;
    line-height: 1.5;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .why-grid, .card-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .page-about .why-grid--about,
    .page-about .values-grid,
    .page-about .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-support .support-service-grid,
    .page-support .warranty-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-steps::before {
        display: none;
    }

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

    .product-hero, .about-grid, .contact-grid, .project-detail-hero, .install-detail {
        grid-template-columns: 1fr;
    }

    .install-detail:nth-child(even) {
        direction: ltr;
    }

    .info-sections, .benefit-list {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .menu-toggle {
        display: flex;
    }

    .header-phone {
        display: none;
    }

    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px;
        transform: translateX(100%);
        transition: transform var(--transition);
        overflow-y: auto;
        align-items: stretch;
        gap: 0;
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 16px;
        border-bottom: 1px solid var(--border);
        border-radius: 0;
    }

    .dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        display: none;
        padding: 0 0 0 16px;
    }

    .nav-item.open .dropdown {
        display: block;
    }

    section {
        padding: 56px 0;
    }

    .home-page .home-block,
    .home-page .home-cta-block {
        padding: 40px 0;
    }

    .home-page .home-cta-block {
        padding-bottom: 48px;
    }

    .hero {
        min-height: auto;
    }

    .hero-content {
        padding: 48px 0;
    }

    .why-grid, .card-grid, .testimonial-grid, .product-home-grid {
        grid-template-columns: 1fr;
    }

    .why-grid--home {
        grid-template-columns: 1fr;
    }

    .page-about .why-grid--about,
    .page-about .values-grid,
    .page-about .industry-grid {
        grid-template-columns: 1fr;
    }

    .page-support .support-service-grid,
    .page-support .warranty-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-banner {
        padding: 40px 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

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

    .quote-modal .contact-form-block {
        padding: 28px 20px;
    }

    .quote-modal .form-row {
        grid-template-columns: 1fr;
    }

    .stats-bar {
        grid-template-columns: 1fr 1fr;
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

    .hero-actions .btn {
        width: 100%;
    }
}