/* =============================================
   IAT Sensor - English Website Styles
   Professional B2B Manufacturing Theme
   ============================================= */

/* CSS Variables */
:root {
    /* Brand Colors - Professional Blue Theme */
    --primary: #0066cc;
    --primary-dark: #004999;
    --primary-light: #e6f0ff;
    --secondary: #00a3e0;
    --accent: #ff6b00;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Text Colors */
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;

    /* Functional Colors */
    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Barlow', 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

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

.btn-white:hover {
    background: var(--gray-100);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--gray-300);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* Section Styles */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

/* Text Utilities */
.text-primary { color: var(--primary); }
.text-center { text-align: center; }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

/* =============================================
   TOP BAR
   ============================================= */
.top-bar {
    background: var(--gray-900);
    color: var(--gray-300);
    font-size: 0.8125rem;
    padding: 0.5rem 0;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-info {
    display: flex;
    gap: var(--spacing-lg);
}

.top-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.top-item svg {
    color: var(--primary);
}

.top-links {
    display: flex;
    gap: var(--spacing-lg);
}

.top-links a {
    color: var(--gray-300);
    font-size: 0.8125rem;
}

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

@media (max-width: 768px) {
    .top-bar { display: none; }
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    top: 0;
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

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

.logo-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.logo-tagline {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.nav-link svg {
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-link svg {
    transform: rotate(180deg);
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    margin-left: var(--spacing-sm);
}

.nav-cta:hover {
    background: var(--primary-dark);
    color: var(--white) !important;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

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

.dropdown-menu a {
    display: block;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

@media (max-width: 1024px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--white);
        padding: var(--spacing-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid var(--gray-100);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        box-shadow: none;
        padding-left: var(--spacing-lg);
        display: none;
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .nav-cta {
        margin: var(--spacing-lg) 0 0;
        justify-content: center;
    }
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 163, 224, 0.03) 0%, transparent 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    position: relative;
}

.hero-badge {
    display: inline-flex;
    padding: 0.375rem 1rem;
    background: var(--primary-light);
    border: 1px solid rgba(0, 102, 204, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.hero-badge span {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--gray-200);
    aspect-ratio: 4/3;
}

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

.hero-float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.25rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.hero-float-card svg {
    color: var(--primary);
}

.hero-float-card span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.card-1 {
    top: 20%;
    left: -40px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    right: -40px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-visual {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-float-card {
        display: none;
    }

    .hero-stats {
        justify-content: space-around;
    }
}

@media (max-width: 640px) {
    .hero-buttons {
        flex-direction: column;
    }

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

/* =============================================
   TRUST BADGES
   ============================================= */
.trust-section {
    padding: var(--spacing-xl) 0;
    background: var(--gray-900);
}

.trust-badges {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-300);
}

.trust-icon {
    color: var(--primary);
}

.trust-item span {
    font-size: 0.8125rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .trust-badges {
        gap: var(--spacing-xl);
    }
}

/* =============================================
   BLOG SECTION
   ============================================= */
.blog-section {
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.blog-image {
    aspect-ratio: 16/9;
    background: var(--gray-100);
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.blog-body {
    padding: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.blog-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.blog-title a {
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

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

.blog-excerpt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition-fast);
}

.blog-link:hover {
    gap: var(--spacing-sm);
}

@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   FEATURES SECTION
   ============================================= */
.features-section {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.features-content .section-tag {
    margin-bottom: var(--spacing-md);
}

.features-content h2 {
    margin-bottom: var(--spacing-lg);
}

.features-intro {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary);
}

.feature-text h4 {
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.features-image {
    position: relative;
}

.features-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background: var(--gray-200);
}

.features-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.badge-text {
    font-size: 0.75rem;
    opacity: 0.9;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .features-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* =============================================
   INDUSTRIES SECTION
   ============================================= */
.industries-section {
    background: var(--gray-50);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.industry-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition-base);
}

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

.industry-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-md);
    color: var(--primary);
}

.industry-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.industry-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.industry-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

@media (max-width: 1024px) {
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .industries-grid {
        grid-template-columns: 1fr;
    }
}


/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.cta-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    font-size: 1.0625rem;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.cta-feature svg {
    flex-shrink: 0;
    color: var(--white);
}

.cta-feature span {
    font-size: 0.9375rem;
}

@media (max-width: 1024px) {
    .cta-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .cta-features {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

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

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-column h5 {
    color: var(--white);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--primary);
    margin-top: 2px;
}

.footer-contact a {
    color: var(--gray-400);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    font-size: 0.8125rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--gray-500);
}

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

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* =============================================
   FLOATING INQUIRY BUTTON
   ============================================= */
.floating-inquiry {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.floating-inquiry-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 14px 24px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.floating-inquiry-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 640px) {
    .floating-inquiry {
        bottom: 20px;
        right: 20px;
    }

    .floating-inquiry-btn span {
        display: none;
    }

    .floating-inquiry-btn {
        width: 56px;
        height: 56px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }
}

/* =============================================
   INQUIRY MODAL
   ============================================= */
.inquiry-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.inquiry-modal.active {
    display: flex;
}

.inquiry-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.inquiry-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    animation: modalSlideUp 0.3s ease;
}

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

.inquiry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.inquiry-header h3 {
    font-size: 1.25rem;
}

.inquiry-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inquiry-close:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

.inquiry-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

.inquiry-intro {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.inquiry-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

.inquiry-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.inquiry-actions .btn {
    flex: 1;
}

@media (max-width: 640px) {
    .inquiry-form .form-row {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   BACK TO TOP BUTTON
   ============================================= */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    z-index: 998;
}

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

.back-to-top:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* =============================================
   RESPONSIVE FIXES
   ============================================= */
@media (max-width: 640px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }
}

/* Image Placeholder Styling */
img[src*="images/"] {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    min-height: 100px;
}

/* =============================================
   PAGE BANNER
   ============================================= */
.page-banner {
    position: relative;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    overflow: hidden;
}

.page-banner-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 163, 224, 0.1) 0%, transparent 50%);
}

.page-banner-content {
    position: relative;
    max-width: 700px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--gray-400);
}

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

.breadcrumb svg {
    color: var(--gray-500);
}

.breadcrumb span {
    color: var(--gray-300);
}

.page-banner h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.page-banner-desc {
    font-size: 1.125rem;
    color: var(--gray-400);
    max-width: 600px;
}

/* =============================================
   PRODUCT CATEGORIES SECTION
   ============================================= */
.product-categories-section {
    background: var(--white);
}

.product-categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.category-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.category-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

.category-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.category-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.category-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.category-arrow {
    display: flex;
    align-items: center;
    color: var(--primary);
    transition: transform var(--transition-fast);
}

.category-card:hover .category-arrow {
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .product-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .product-categories-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   FEATURED PRODUCTS SECTION
   ============================================= */
.featured-products-section {
    background: var(--gray-50);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--gray-100);
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-badges {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
}

.badge-new {
    padding: 0.25rem 0.75rem;
    background: var(--accent);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.product-body {
    padding: var(--spacing-lg);
}

.product-category {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-xs);
}

.product-title {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.product-title a {
    color: var(--text-primary);
}

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

.product-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.spec-item svg {
    color: var(--primary);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 540px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   SPECS BANNER SECTION
   ============================================= */
.specs-banner-section {
    background: var(--white);
    padding: 0;
}

.specs-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    color: var(--white);
}

.specs-content {
    text-align: center;
}

.specs-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.specs-content p {
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.spec-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.spec-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.spec-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .specs-banner {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
}

/* =============================================
   CUSTOM SOLUTIONS SECTION
   ============================================= */
.custom-solutions-section {
    background: var(--gray-50);
}

.custom-solutions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.custom-solutions-content .section-tag {
    margin-bottom: var(--spacing-md);
}

.custom-solutions-content h2 {
    margin-bottom: var(--spacing-lg);
}

.custom-solutions-content > p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.custom-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.custom-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.custom-features svg {
    flex-shrink: 0;
    color: var(--success);
}

.custom-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.custom-solutions-image {
    position: relative;
}

.custom-solutions-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background: var(--gray-200);
}

@media (max-width: 1024px) {
    .custom-solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .custom-solutions-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .custom-actions {
        flex-direction: column;
    }

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

/* =============================================
   SUPPORT SECTION
   ============================================= */
.support-section {
    background: var(--white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.support-card {
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

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

.support-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-md);
    color: var(--primary);
}

.support-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.support-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.support-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.support-link:hover {
    color: var(--primary-dark);
}

@media (max-width: 1024px) {
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .support-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   PRODUCT DETAIL PAGE
   ============================================= */

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Product Header & Breadcrumb */
.product-header {
    background: var(--gray-50);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.product-header .breadcrumb {
    margin-bottom: 0;
}

.product-header .breadcrumb ol {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-sm);
}

.breadcrumb-separator {
    color: var(--gray-400);
    display: flex;
}

.product-header .breadcrumb a {
    color: var(--text-secondary);
}

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

.product-header .breadcrumb [aria-current="page"] span {
    color: var(--text-primary);
    font-weight: 500;
}

/* Product Overview */
.product-overview {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* Product Gallery */
.product-media {
    position: sticky;
    top: 100px;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.gallery-main {
    position: relative;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-figure {
    width: 100%;
    height: 100%;
    margin: 0;
}

.gallery-figure img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-lg);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.gallery-nav:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.gallery-prev {
    left: var(--spacing-md);
}

.gallery-next {
    right: var(--spacing-md);
}

.gallery-thumbs {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
}

.thumb-item {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    padding: 0;
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.thumb-item:hover {
    border-color: var(--gray-300);
}

.thumb-item.active {
    border-color: var(--primary);
}

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

/* Product Info */
.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.product-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.product-sku {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.product-category {
    padding: 0.25rem 0.75rem;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
}

.product-title {
    font-size: 2rem;
    line-height: 1.2;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stars {
    display: flex;
    gap: 2px;
    color: var(--warning);
}

.rating-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.product-short-desc {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Product Highlights */
.product-highlights {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.highlights-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.highlights-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.highlights-list li::before {
    content: '';
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.product-actions {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
}

.product-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.trust-item svg {
    color: var(--success);
}

@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .product-media {
        position: static;
    }

    .product-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 640px) {
    .product-actions {
        flex-direction: column;
    }

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

/* Product Details Tabs */
.product-details {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    background: var(--gray-50);
}

.details-tabs {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
}

.tab-btn {
    position: relative;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--primary);
    background: var(--gray-50);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.tabs-content {
    padding: var(--spacing-2xl);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Description Content */
.description-content {
    max-width: 800px;
}

.content-sections {
    margin-top: var(--spacing-xl);
}

.content-block {
    margin-bottom: var(--spacing-xl);
}

.content-block h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.content-block p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.content-block ul {
    list-style: none;
    padding: 0;
}

.content-block li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.content-block li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

/* Specifications Table */
.specs-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--spacing-2xl);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.specs-table caption {
    text-align: left;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.specs-table thead {
    background: var(--gray-50);
}

.specs-table th,
.specs-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.specs-table th {
    font-weight: 600;
    color: var(--text-primary);
}

.specs-table tbody th {
    width: 30%;
}

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

.specs-table tbody tr:hover {
    background: var(--gray-50);
}

.certification-badges h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cert-badge {
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Applications */
.applications-content h2 {
    margin-bottom: var(--spacing-xl);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.application-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.application-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.application-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.application-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.custom-application {
    padding: var(--spacing-xl);
    background: var(--primary-light);
    border-radius: var(--radius-lg);
}

.custom-application h3 {
    margin-bottom: var(--spacing-sm);
}

.custom-application p {
    color: var(--text-secondary);
}

.custom-application a {
    color: var(--primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .applications-grid {
        grid-template-columns: 1fr;
    }
}

/* Downloads */
.downloads-content h2 {
    margin-bottom: var(--spacing-xl);
}

.download-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.download-item:hover {
    border-color: var(--primary);
}

.download-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.download-icon {
    color: var(--primary);
}

.download-meta h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.download-meta p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

@media (max-width: 640px) {
    .download-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}

/* FAQ */
.faq-content h2 {
    margin-bottom: var(--spacing-xl);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    transition: background var(--transition-fast);
}

.faq-item summary:hover {
    background: var(--gray-50);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary svg {
    transition: transform var(--transition-fast);
    color: var(--text-muted);
}

.faq-item[open] summary svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Related Products */
.related-products-section {
    background: var(--white);
}

/* Product CTA */
.product-cta-section {
    background: var(--gray-50);
    padding-bottom: var(--spacing-3xl);
}

.product-cta {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    color: var(--white);
}

.product-cta .cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.product-cta .cta-content p {
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.product-cta .cta-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.product-cta .cta-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.product-cta .cta-features svg {
    flex-shrink: 0;
}

.product-cta .cta-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.product-cta .cta-note {
    font-size: 0.875rem;
    opacity: 0.9;
}

.product-cta .cta-note a {
    color: var(--white);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .product-cta {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .product-cta .cta-features {
        align-items: center;
    }
}