/* ============================================
   SUKITE Solar Controller Website
   Modern, Professional, Industrial Design
   ============================================ */

/* === CSS Custom Properties === */
:root {
    /* Brand Colors */
    --white: #FFFFFF;
    --primary: #FFFFFF;
    --secondary: #FF6B00;
    --secondary-dark: #E05E00;
    --secondary-light: #FF8533;
    --accent: #2ECC40;
    --accent-dark: #27AE36;
    --accent-light: #55E066;

    /* Neutral Colors */
    --dark: #0A0A0A;
    --gray-900: #1A1A2E;
    --gray-800: #2D2D44;
    --gray-700: #3D3D5C;
    --gray-600: #555570;
    --gray-500: #7A7A8E;
    --gray-400: #9E9EAF;
    --gray-300: #C4C4D0;
    --gray-200: #E2E2EA;
    --gray-100: #F0F0F5;
    --gray-50: #F8F8FC;

    /* Semantic Colors */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-dark: var(--gray-900);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --border-color: var(--gray-200);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

    /* Typography */
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --max-width: 1280px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

button { cursor: pointer; }

/* === 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: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

p:last-child { margin-bottom: 0; }

/* === Layout === */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-24) 0;
}

.section-sm { padding: var(--space-16) 0; }
.section-lg { padding: var(--space-32) 0; }

/* === Section Header (Unified Style) === */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 120, 34, 0.1);
    color: #ff7822;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-badge svg {
    width: 16px;
    height: 16px;
    display: none;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
    color: #000;
    line-height: 1.15;
    -webkit-text-fill-color: unset;
    background: none;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover svg { transform: translateX(3px); }

.btn-primary {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
    background: var(--secondary-dark);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--secondary);
    color: var(--secondary);
    background: transparent;
}

.btn-outline:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--secondary);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* === Header / Navigation === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 9999;
    transition: all var(--transition-base);
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 10000;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: var(--text-2xl);
    color: var(--white);
}

.logo-img {
    height: 80px;
    width: auto;
    max-width: 350px;
    object-fit: contain;
}

/* At top - show white logo, hide dark logo */
.logo-white {
    display: block;
}

.logo-dark {
    display: none;
}

/* Scrolled state - show dark logo, hide white logo */
.site-header.scrolled .logo {
    color: var(--gray-900);
}

.site-header.scrolled .logo-white {
    display: none;
}

.site-header.scrolled .logo-dark {
    display: block;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

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

/* Desktop Navigation */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    font-weight: 500;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--secondary);
    border-radius: 1px;
}

.site-header.scrolled .nav-link {
    color: var(--text-secondary);
}

.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active {
    color: var(--secondary);
    background: rgba(255, 107, 0, 0.06);
}

/* Nav CTA */
.nav-cta {
    margin-left: var(--space-4);
}

.nav-cta .btn-primary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.nav-cta .btn-primary:hover {
    background: var(--white);
    color: var(--secondary);
}

.site-header.scrolled .nav-cta .btn-primary {
    background: var(--secondary);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 14px rgba(255, 107, 0, 0.3);
}

.site-header.scrolled .nav-cta .btn-primary:hover {
    background: var(--secondary-dark);
}

/* Mobile Toggle Button */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10002;
    position: relative;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.site-header.scrolled .mobile-toggle span {
    background: var(--gray-900);
}

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

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

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

/* Mobile Menu Panel */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    height: 100dvh;
    background: var(--white);
    z-index: 10001;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
}

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

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    background: var(--gray-900);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.mobile-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--white);
    transition: all 0.2s ease;
}

.mobile-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.mobile-nav {
    flex: 1;
    padding: var(--space-4) 0;
    overflow-y: auto;
}

.mobile-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.mobile-link svg {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    flex-shrink: 0;
}

.mobile-link:hover,
.mobile-link.active {
    color: var(--secondary);
    background: rgba(255, 107, 0, 0.05);
    border-left-color: var(--secondary);
}

.mobile-link:hover svg,
.mobile-link.active svg {
    color: var(--secondary);
}

.mobile-menu-footer {
    padding: var(--space-5);
    border-top: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.mobile-contact {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.mobile-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.mobile-contact svg {
    color: var(--secondary);
    flex-shrink: 0;
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
}

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

/* === Hero Slider Section === */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 650px;
    overflow: hidden;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
}

.hero-slide .container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 2;
}

.hero-slide .hero-content {
    max-width: 800px;
    color: var(--white);
}

.hero-badge {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-5);
    white-space: nowrap;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-slide .hero-title {
    color: var(--white);
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--space-5);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.hero-slide .hero-title .highlight {
    color: var(--secondary);
    text-shadow: none;
}

.hero-slide .hero-desc {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    max-width: 800px;
    margin-bottom: var(--space-8);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

/* Outline white button */
.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--gray-900);
    border-color: var(--white);
}

/* Hero Stats Bar - Frosted Glass Cards */
.hero-stats-bar {
    display: flex;
    gap: var(--space-4);
    max-width: 600px;
}

.hero-stat-item {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-4);
    text-align: center;
}

.hero-stat-value {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: var(--space-1);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-stat-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Slider Controls */
.hero-slider-prev,
.hero-slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.hero-slider-prev:hover,
.hero-slider-next:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    transform: translateY(-50%) scale(1.05);
}

.hero-slider-prev { left: 20px; }
.hero-slider-next { right: 20px; }
.hero-slider-prev svg,
.hero-slider-next svg { width: 22px; height: 22px; }

/* Slider Dots */
.hero-slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    border: 2px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.hero-dot.active,
.hero-dot:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    transform: scale(1.2);
}

/* Old hero styles removed - using new hero slider */

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 107, 0, 0.08);
    color: var(--secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
    border: 1px solid rgba(255, 107, 0, 0.15);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: var(--gray-900);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

/* Old hero stats grid removed */

/* Old hero stats styles removed */

/* Old hero visual styles removed */

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

/* === Stats Section === */
.stats-section {
    background: var(--white);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--gray-200);
    margin-top: 0;
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-light), var(--secondary));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-3);
}

.stat-card {
    text-align: center;
    padding: var(--space-5) var(--space-3);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    min-width: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.stat-card:hover {
    background: var(--white);
    border-color: var(--secondary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-3);
    background: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
}

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

.stat-number {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.2;
    margin-bottom: var(--space-1);
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 var(--space-1);
}

.stat-number .suffix {
    font-size: 0.7em;
    color: var(--secondary-dark);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.3;
}

.stat-btn {
    margin-top: var(--space-8);
    text-align: center;
}

/* === Equipment Section === */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.equipment-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
}

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

.equipment-image {
    height: 200px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

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

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

.equipment-placeholder {
    width: 64px;
    height: 64px;
    color: var(--gray-300);
}

.equipment-placeholder svg {
    width: 100%;
    height: 100%;
}

.equipment-body {
    padding: var(--space-5);
}

.equipment-name {
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--gray-900);
}

.equipment-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

/* === Process Section === */
.process-section {
    background: var(--gray-50);
}

.process-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-8);
    align-items: start;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.process-step-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.process-step-item:hover {
    border-color: var(--secondary);
    box-shadow: var(--shadow-md);
}

.process-step-item.active {
    border-color: var(--secondary);
    background: rgba(255, 107, 0, 0.05);
}

.process-step-num {
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--gray-400);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.process-step-item.active .process-step-num {
    background: var(--secondary);
    color: var(--white);
}

.process-step-content h4 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.process-step-content p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin: 0;
}

.process-image-preview {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--gray-100);
    height: calc(6 * (48px + var(--space-4) * 2 + 2px) + 5 * var(--space-3));
    margin-right: calc(-1 * var(--space-6));
    display: flex;
    align-items: stretch;
}

.process-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

/* Old process timeline styles removed */

/* === Quality Section === */
.quality-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: stretch;
}

.quality-certs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    border: 2px solid var(--accent);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--accent-dark);
    transition: all var(--transition-base);
}

.cert-badge:hover {
    background: var(--accent);
    color: var(--white);
}

.cert-badge svg {
    width: 16px;
    height: 16px;
}

.quality-checklist {
    display: grid;
    gap: var(--space-4);
}

.quality-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.quality-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.quality-check {
    width: 36px;
    height: 36px;
    background: rgba(46, 204, 64, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.quality-check svg {
    width: 20px;
    height: 20px;
}

.quality-item-text {
    font-weight: 600;
    color: var(--gray-900);
}

.quality-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
}

.quality-image img {
    width: 100%;
    height: auto;
    min-height: 100%;
    object-fit: cover;
    display: block;
}

/* === Video Section === */
.video-section {
    background: var(--gray-900);
    position: relative;
    overflow: hidden;
}

.video-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.02)"/></svg>');
    background-size: 30px 30px;
    pointer-events: none;
}

.video-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.video-content h2 {
    color: var(--white);
    margin-bottom: var(--space-4);
}

.video-content p {
    color: var(--gray-400);
    margin-bottom: var(--space-10);
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 16/9;
    background: var(--gray-900);
    max-width: 1000px;
    margin: 0 auto;
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: background 0.3s ease;
}

.video-play-overlay:hover {
    background: rgba(0, 0, 0, 0.4);
}

.video-play-overlay.hidden {
    display: none;
}

.video-play-btn {
    width: 80px;
    height: 80px;
    background: var(--secondary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    cursor: pointer;
    box-shadow: 0 0 0 15px rgba(255, 107, 0, 0.25);
    transition: all 0.3s ease;
}

.video-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 20px rgba(255, 107, 0, 0.35);
}

.video-play-btn svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

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

.video-modal-inner {
    width: 90%;
    max-width: 1000px;
    position: relative;
}

.video-modal video {
    width: 100%;
    border-radius: var(--radius-lg);
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: var(--text-xl);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* === Products Section === */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
}

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

.product-card .hot-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    background: var(--secondary);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-image {
    height: 220px;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-4);
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-image .shimmer {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.product-card:hover .product-image .shimmer {
    left: 100%;
}

.product-body {
    padding: var(--space-5);
}

.product-tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.product-tag {
    padding: var(--space-1) var(--space-2);
    background: rgba(255, 107, 0, 0.08);
    color: var(--secondary);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
}

.product-name {
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--gray-900);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-model {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.product-footer {
    display: flex;
    gap: var(--space-2);
}

.product-footer .btn {
    flex: 1;
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
}

/* === Team Section === */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.team-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.team-photo {
    height: 280px;
    overflow: hidden;
    position: relative;
}

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

.team-card:hover .team-photo img {
    transform: scale(1.05);
}

.team-info {
    padding: var(--space-5);
    text-align: center;
}

.team-name {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.team-position {
    font-size: var(--text-sm);
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.team-bio {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

/* === Cases Section === */
.cases-section {
    background: var(--gray-50);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.case-card:hover::before { transform: scaleX(1); }

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

.case-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 107, 0, 0.08);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    margin-bottom: var(--space-5);
}

.case-icon svg {
    width: 28px;
    height: 28px;
}

.case-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.case-location {
    font-size: var(--text-sm);
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.case-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.case-stat {
    display: flex;
    gap: var(--space-4);
}

.case-stat-item {
    font-size: var(--text-sm);
}

.case-stat-item strong {
    color: var(--secondary);
    font-weight: 700;
}

/* === CTA Section === */
.cta-section {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--white);
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
}

.cta-buttons .btn-white {
    font-weight: 700;
}

/* === Page Header === */
.page-header {
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-16);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><circle cx="30" cy="30" r="1" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: 20px 20px;
}

.page-header-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

.page-header p {
    color: var(--gray-400);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--gray-400);
}

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

.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb .separator { color: var(--gray-600); }
.breadcrumb .current { color: var(--secondary); font-weight: 600; }

/* === Product Detail === */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.product-gallery {
    position: static;
}

.product-main-image {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-4);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-main-image img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.product-thumbnails {
    display: flex;
    gap: var(--space-3);
}

.product-thumbnail {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-thumbnail.active,
.product-thumbnail:hover {
    border-color: var(--secondary);
}

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

.product-detail-info h1 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.product-detail-model {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 107, 0, 0.08);
    color: var(--secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.product-detail-desc {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.product-detail-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

/* Specs Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-6);
}

.specs-table th,
.specs-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--text-sm);
}

.specs-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    width: 40%;
}

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

.specs-table tr:hover td {
    background: rgba(255, 107, 0, 0.02);
}

/* Features List */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.feature-item svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
    flex-shrink: 0;
}

/* === About Page === */
.about-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.about-story-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-story-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-story-content h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-6);
}

.about-advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.advantage-card {
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: attr(data-number);
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: var(--text-6xl);
    font-weight: 800;
    color: rgba(255, 107, 0, 0.06);
    line-height: 1;
}

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

.advantage-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 107, 0, 0.08);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    margin-bottom: var(--space-5);
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
}

.advantage-card h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.advantage-card p {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* === News Page === */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.news-image {
    height: 200px;
    background: var(--gray-100);
    overflow: hidden;
}

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

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

.news-body {
    padding: var(--space-6);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.news-category {
    padding: var(--space-1) var(--space-3);
    background: rgba(255, 107, 0, 0.08);
    color: var(--secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.news-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-title a:hover { color: var(--secondary); }

.news-excerpt {
    font-size: var(--text-sm);
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* News Detail */
.news-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-content h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-6);
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-color);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.news-detail-body {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-secondary);
}

.news-detail-body p {
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-8);
}

.form-success.show { display: block; }

.form-success svg {
    width: 64px;
    height: 64px;
    color: var(--accent);
    margin: 0 auto var(--space-4);
}

/* === Contact Page === */
.contact-page { background: #f8f8f8; overflow-x: hidden; }
.contact-page .page-header {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-16);
    position: relative;
    overflow: hidden;
    text-align: center;
}
.contact-page .page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><circle cx="30" cy="30" r="1" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: 20px 20px;
}
.contact-page .page-header h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.contact-page .page-header h1 .highlight-orange { color: var(--secondary); }
.contact-page .page-header p {
    color: rgba(255,255,255,0.7);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}
.contact-left { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.contact-map {
    border-radius: 16px;
    overflow: hidden;
    height: 250px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.contact-map iframe { width: 100%; height: 100%; border: none; }
.contact-info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    padding: 20px 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.contact-info-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 120, 34, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #ff7822;
}
.contact-info-icon svg { width: 22px; height: 22px; }
.contact-info-label {
    font-size: 12px;
    color: #999;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.contact-info-value {
    font-weight: 600;
    color: #1a1a1a;
    font-size: var(--text-sm);
    word-break: break-word;
}
.contact-social { display: flex; gap: 12px; }
.social-btn {
    width: 48px;
    height: 48px;
    border: 2px solid #ddd;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.2s ease;
    text-decoration: none;
}
.social-btn:hover {
    border-color: #ff7822;
    color: #ff7822;
    background: rgba(255, 120, 34, 0.05);
}
.social-btn svg { width: 20px; height: 20px; }
.contact-form-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    min-width: 0;
}
.contact-form-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: #000;
    margin-bottom: 24px;
}
.inquiry-types {
    display: flex;
    gap: 6px;
    margin-bottom: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
}
.inquiry-types::-webkit-scrollbar { display: none; }
.inquiry-type-btn {
    padding: 6px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    background: #fff;
    color: #666;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}
.inquiry-type-btn:hover,
.inquiry-type-btn.active {
    border-color: #ff7822;
    background: #ff7822;
    color: #fff;
}
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}
.form-label .required { color: #ff7822; margin-left: 2px; }
.contact-form-card .form-input,
.contact-form-card .form-textarea,
.contact-form-card .form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: var(--text-base);
    color: #1a1a1a;
    transition: all 0.2s ease;
    background: #fff;
    box-sizing: border-box;
}
.contact-form-card .form-input:focus,
.contact-form-card .form-textarea:focus,
.contact-form-card .form-select:focus {
    border-color: #ff7822;
    box-shadow: 0 0 0 3px rgba(255, 120, 34, 0.1);
    outline: none;
}
.contact-form-card .form-textarea {
    min-height: 120px;
    resize: vertical;
}
.char-counter {
    text-align: right;
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}
.submit-btn {
    width: 100%;
    padding: 16px;
    background: #ff7822;
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: var(--text-base);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    margin-top: 8px;
}
.submit-btn:hover {
    background: #e56a1a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 120, 34, 0.3);
}
.submit-btn svg { width: 20px; height: 20px; }
.form-success-msg {
    display: none;
    text-align: center;
    padding: 40px;
}
.form-success-msg.show { display: block; }
.form-success-msg svg {
    width: 64px;
    height: 64px;
    color: #2ecc40;
    margin-bottom: 16px;
}
/* Contact header override */
.contact-page .site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}
.contact-page .site-header .desktop-nav .nav-link { color: var(--text-secondary); }
.contact-page .site-header .desktop-nav .nav-link:hover,
.contact-page .site-header .desktop-nav .nav-link.active { color: var(--secondary); }
.contact-page .site-header .logo { color: var(--gray-900); }
.contact-page .site-header .logo-img.logo-white { display: none; }
.contact-page .site-header .logo-img.logo-dark { display: block; }
.contact-page .site-header .nav-cta .btn-primary {
    background: var(--secondary);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 14px rgba(255, 107, 0, 0.3);
}
.contact-page .site-header .mobile-toggle span { background: var(--gray-900); }

/* === Footer === */
.site-footer {
    background: var(--gray-900);
    color: var(--white);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary));
}

.footer-main {
    padding: var(--space-16) 0 var(--space-10);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
}

.footer-brand p {
    color: var(--gray-400);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--secondary);
    color: var(--white);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-col h4 {
    color: var(--white);
    font-size: var(--text-base);
    margin-bottom: var(--space-5);
    position: relative;
    padding-bottom: var(--space-3);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--secondary);
    border-radius: 1px;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--gray-400);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-links a:hover {
    color: var(--secondary);
    transform: translateX(3px);
}

.footer-bottom {
    padding: var(--space-5) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--gray-500);
}

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

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

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: var(--secondary);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

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

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

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* === Animations - Simplified for performance === */
.fade-in,
.fade-in-left,
.fade-in-right {
    opacity: 1;
    transform: none;
}

/* No JS animation overhead - content always visible */

/* AOS elements always visible */
[data-aos] {
    opacity: 1 !important;
    transform: none !important;
}

/* No stagger delays - instant display */

/* === Utilities === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-orange { color: var(--secondary); }
.text-green { color: var(--accent); }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.gap-4 { gap: var(--space-4); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* === Responsive === */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
        --text-7xl: 3.5rem;
    }

    .hero-slide .hero-content { max-width: 100%; }
    .hero-stats-bar { max-width: 100%; }
    .hero-slider-prev, .hero-slider-next { width: 40px; height: 40px; }
    .hero-slider-prev svg, .hero-slider-next svg { width: 20px; height: 20px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
    .stat-card { padding: var(--space-4) var(--space-3); }
    .stat-number { font-size: clamp(1rem, 1.5vw, 1.25rem); }
    .stat-label { font-size: 11px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .process-timeline { flex-wrap: wrap; gap: var(--space-6); justify-content: center; }
    .process-timeline::before { display: none; }
    .quality-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .about-advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
    .nav-menu { display: none; }
    .menu-toggle { display: flex; }
    .nav-cta { display: none; }

    /* Mobile Nav */
    .nav-menu {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        padding: var(--space-20) var(--space-6) var(--space-6);
        gap: 0;
        z-index: 9998;
        overflow-y: auto;
        transition: right 0.3s ease;
    }

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

    .nav-menu .nav-link {
        padding: var(--space-4) var(--space-4);
        font-size: var(--text-lg);
        font-weight: 600;
        color: rgba(255, 255, 255, 0.9);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 0;
    }

    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        color: var(--secondary);
        background: rgba(255, 107, 0, 0.08);
    }

    .nav-menu .nav-link svg {
        color: rgba(255, 255, 255, 0.5);
        margin-right: var(--space-2);
    }

    .nav-menu .nav-cta-mobile {
        display: block;
        margin-top: var(--space-6);
        text-align: center;
    }

    /* Overlay when menu is open */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 9997;
    }

    .nav-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    :root {
        --text-4xl: 1.75rem;
        --text-5xl: 2rem;
        --text-6xl: 2.25rem;
        --header-height: 60px;
    }

    /* General */
    .section { padding: var(--space-12) 0; }
    .section-lg { padding: var(--space-16) 0; }
    .container { padding: 0 var(--space-4); }

    /* Header */
    .site-header {
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .site-header.scrolled {
        background: rgba(255, 255, 255, 0.95);
    }

    /* Hide desktop nav, show mobile toggle */
    .desktop-nav { display: none; }
    .nav-cta { display: none; }
    .mobile-toggle { display: flex; }

    /* Mobile toggle colors */
    .mobile-toggle span { background: var(--white); }
    .site-header.scrolled .mobile-toggle span { background: var(--gray-900); }

    .logo-img { height: 50px; }

    /* Hero Slider */
    .hero-slider { min-height: 100vh; }
    .hero-slide { padding-top: calc(var(--header-height) + var(--space-6)); padding-bottom: var(--space-8); align-items: flex-start; }
    .hero-slide .hero-title { white-space: normal; font-size: clamp(1.5rem, 6vw, 2.25rem); }
    .hero-slide .hero-desc { white-space: normal; font-size: var(--text-base); max-width: 100%; }
    .hero-badge { font-size: var(--text-xs); }
    .hero-buttons { flex-direction: column; gap: var(--space-3); }
    .hero-buttons .btn { width: 100%; text-align: center; justify-content: center; }
    .hero-stats-bar { flex-direction: column; gap: var(--space-2); max-width: 100%; }
    .hero-stat-item { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); }
    .hero-stat-value { font-size: 1.25rem; }
    .hero-stat-label { font-size: var(--text-xs); }
    .hero-slider-prev, .hero-slider-next { display: none; }
    .hero-slider-dots { display: none; }

    /* Stats Section */
    .stats-section { padding-top: var(--space-10); padding-bottom: var(--space-10); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
    .stat-card { padding: var(--space-4) var(--space-2); border-radius: var(--radius-md); }
    .stat-icon { width: 36px; height: 36px; margin-bottom: var(--space-2); }
    .stat-icon svg { width: 18px; height: 18px; }
    .stat-number { font-size: 1.1rem; min-height: 28px; margin-bottom: var(--space-1); }
    .stat-label { font-size: 10px; }
    .stat-btn { margin-top: var(--space-6); }

    /* Products */
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
    .product-image { height: 150px; }
    .product-body { padding: var(--space-3); }
    .product-name { font-size: var(--text-sm); }
    .product-model { font-size: var(--text-xs); }
    .product-tags { flex-wrap: wrap; gap: 4px; }
    .product-tag { font-size: 10px; padding: 2px 6px; }
    .product-footer { flex-direction: column; gap: var(--space-2); }
    .product-footer .btn { width: 100%; text-align: center; justify-content: center; }

    /* Process */
    .process-showcase { grid-template-columns: 1fr; }
    .process-image-preview { position: relative; top: 0; order: -1; height: 300px; margin-right: 0; }
    .process-step-item { padding: var(--space-3) var(--space-4); }
    .process-step-num { width: 40px; height: 40px; font-size: var(--text-lg); }
    .process-step-content h4 { font-size: var(--text-sm); }
    .process-step-content p { font-size: var(--text-xs); }

    /* Quality */
    .quality-grid { grid-template-columns: 1fr; gap: var(--space-8); }
    .quality-certs { justify-content: flex-start; gap: var(--space-2); }
    .cert-badge { font-size: var(--text-xs); padding: var(--space-1) var(--space-3); }
    .quality-item { padding: var(--space-3) var(--space-4); }
    .quality-check { width: 32px; height: 32px; }
    .quality-item-text { font-size: var(--text-sm); }

    /* Video */
    .video-wrapper { border-radius: var(--radius-lg); max-width: 100%; }
    .video-play-btn { width: 60px; height: 60px; }
    .video-play-btn svg { width: 24px; height: 24px; }

    /* Team */
    .team-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
    .team-photo { height: 240px; }
    .team-name { font-size: var(--text-base); }
    .team-position { font-size: var(--text-sm); }
    .team-bio { font-size: var(--text-xs); }

    /* Cases */
    .cases-grid { grid-template-columns: 1fr; }
    .case-card { padding: var(--space-6); }
    .case-icon { width: 48px; height: 48px; }
    .case-icon svg { width: 24px; height: 24px; }
    .case-title { font-size: var(--text-base); }

    /* News */
    .news-grid { grid-template-columns: 1fr; }
    .news-image { height: 180px; }
    .news-body { padding: var(--space-4); }
    .news-title { font-size: var(--text-base); }

    /* About */
    .about-story { grid-template-columns: 1fr; }
    .about-story-image img { height: 250px; }
    .about-story-content h3 { font-size: var(--text-2xl); }
    .about-advantages-grid { grid-template-columns: 1fr; }
    .advantage-card { padding: var(--space-5); }
    .advantage-card::before { font-size: var(--text-4xl); }

    /* Contact */
    .contact-grid { grid-template-columns: 1fr; gap: 24px; padding: 32px 16px 60px; }
    .contact-page .page-header { padding: calc(var(--header-height) + 40px) 0 40px; }
    .contact-page .page-header h1 { font-size: 1.8rem; }
    .contact-page .page-header p { font-size: var(--text-sm); padding: 0 16px; }
    .contact-map { height: 180px; border-radius: 12px; }
    .contact-info-card { padding: 16px; gap: 12px; border-radius: 10px; }
    .contact-info-icon { width: 40px; height: 40px; border-radius: 10px; }
    .contact-info-icon svg { width: 18px; height: 18px; }
    .contact-info-value { font-size: 13px; }
    .contact-social { justify-content: center; gap: 10px; }
    .social-btn { width: 44px; height: 44px; border-radius: 10px; }
    .contact-form-card { padding: 24px 18px; border-radius: 12px; }
    .contact-form-card h3 { font-size: var(--text-lg); margin-bottom: 18px; }
    .inquiry-types { gap: 8px; margin-bottom: 18px; flex-wrap: nowrap; }
    .inquiry-type-btn { padding: 8px 14px; font-size: 13px; border-radius: 8px; }
    .form-row-2 { grid-template-columns: 1fr; gap: 0; }
    .contact-form-card .form-input,
    .contact-form-card .form-textarea,
    .contact-form-card .form-select { padding: 14px; font-size: 16px; border-radius: 10px; }
    .contact-form-card .form-textarea { min-height: 100px; }
    .submit-btn { padding: 16px; font-size: var(--text-base); border-radius: 12px; }
    .form-success-msg { padding: 30px 16px; }
    .form-success-msg svg { width: 52px; height: 52px; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
    .footer-bottom-inner { flex-direction: column; gap: var(--space-3); text-align: center; }
    .footer-social { justify-content: flex-start; }

    /* Page Header */
    .page-header { padding: calc(var(--header-height) + var(--space-8)) 0 var(--space-8); }
    .page-header h1 { font-size: var(--text-2xl); }
    .page-header p { font-size: var(--text-sm); }
    .breadcrumb { font-size: var(--text-xs); }

    /* Product Detail */
    .product-detail-grid { grid-template-columns: 1fr; }
    .product-detail-info h1 { font-size: var(--text-2xl); }
    .product-detail-actions { flex-direction: column; }
    .product-detail-actions .btn { width: 100%; }
    .specs-table th, .specs-table td { padding: var(--space-2) var(--space-3); font-size: var(--text-xs); }
    .features-grid { grid-template-columns: 1fr; }

    /* News Detail */
    .news-detail-content h1 { font-size: var(--text-2xl); }
    .news-detail-meta { flex-wrap: wrap; gap: var(--space-2); }
    .news-detail-body { font-size: var(--text-base); }

    /* Inquiry Popup */
    .inquiry-popup-inner { padding: var(--space-5); }
}

@media (max-width: 480px) {
    :root {
        --text-4xl: 1.5rem;
        --text-5xl: 1.75rem;
        --text-6xl: 2rem;
    }

    /* Hero */
    .hero-slide .hero-title { font-size: clamp(1.25rem, 5vw, 1.75rem); }
    .hero-slide .hero-desc { font-size: var(--text-sm); }
    .hero-stat-item { padding: var(--space-2) var(--space-3); }
    .hero-stat-value { font-size: 1.1rem; }
    .hero-stat-label { font-size: 10px; }

    /* Stats */
    .stats-section { padding-top: var(--space-8); padding-bottom: var(--space-8); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
    .stat-card { padding: var(--space-3) var(--space-2); }
    .stat-icon { width: 32px; height: 32px; margin-bottom: var(--space-1); }
    .stat-icon svg { width: 16px; height: 16px; }
    .stat-number { font-size: 1rem; min-height: 24px; }
    .stat-label { font-size: 10px; }

    /* Process */
    .process-image-preview { height: 250px; }
    .process-step-item { gap: var(--space-3); }
    .process-step-num { width: 36px; height: 36px; font-size: var(--text-base); }

    /* Products */
    .products-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
    .product-image { height: 200px; }

    /* Team */
    .team-grid { max-width: 100%; }

    /* CTA */
    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-buttons .btn { width: 100%; }
    .cta-content h2 { font-size: var(--text-2xl); }

    /* Footer */
    .footer-brand p { font-size: var(--text-sm); }

    /* Contact small phone */
    .contact-page .page-header h1 { font-size: 1.5rem; }
    .contact-grid { padding: 24px 12px 48px; }
    .contact-form-card { padding: 20px 14px; }
    .contact-info-card { padding: 14px 12px; }
    .inquiry-type-btn { padding: 7px 12px; font-size: 12px; }
}

@media (max-width: 360px) {
    :root {
        --text-4xl: 1.25rem;
        --text-5xl: 1.5rem;
        --text-6xl: 1.75rem;
    }

    .hero-slide .hero-title { font-size: 1.25rem; }
    .hero-slide .hero-desc { font-size: var(--text-xs); }
    .hero-badge { font-size: 10px; }
    .hero-buttons .btn { padding: var(--space-2) var(--space-4); font-size: var(--text-sm); }
    .hero-stat-value { font-size: 1rem; }
    .hero-stat-label { font-size: 9px; }

    .stats-grid { gap: var(--space-2); }
    .stat-card { padding: var(--space-2) var(--space-1); }
    .stat-icon { width: 28px; height: 28px; }
    .stat-icon svg { width: 14px; height: 14px; }
    .stat-number { font-size: 0.9rem; }
    .stat-label { font-size: 9px; }

    .section-header { margin-bottom: var(--space-8); }
    .section-title { font-size: var(--text-xl); }
    .section-subtitle { font-size: var(--text-sm); }

    .btn-lg { padding: var(--space-3) var(--space-5); font-size: var(--text-sm); }
}

/* Touch-friendly styles for mobile */
@media (hover: none) and (pointer: coarse) {
    .btn { min-height: 44px; }
    .nav-link { min-height: 44px; display: flex; align-items: center; }
    .hero-dot { min-width: 44px; min-height: 44px; width: 12px; height: 12px; }
    .product-card { transform: none !important; }
    .product-card:active { transform: scale(0.98); }
    .stat-card { transform: none !important; }
    .stat-card:active { transform: scale(0.98); }
}

/* === Admin Styles === */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--gray-50);
}

.admin-sidebar {
    width: 260px;
    background: var(--gray-900);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
    transition: transform var(--transition-base);
}

.admin-sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.admin-sidebar-header h2 {
    color: var(--white);
    font-size: var(--text-lg);
}

.admin-sidebar-header p {
    color: var(--gray-500);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
}

.admin-nav {
    padding: var(--space-4);
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--gray-400);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-1);
}

.admin-nav-item:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
}

.admin-nav-item.active {
    color: var(--white);
    background: var(--secondary);
}

.admin-nav-item svg {
    width: 18px;
    height: 18px;
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: var(--space-6);
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.admin-header h1 {
    font-size: var(--text-2xl);
}

.admin-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-6);
}

.admin-card h3 {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

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

.admin-table th,
.admin-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--text-sm);
}

.admin-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.admin-table tr:hover td {
    background: rgba(255, 107, 0, 0.02);
}

.admin-badge {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.admin-badge.success { background: rgba(46, 204, 64, 0.1); color: var(--accent); }
.admin-badge.warning { background: rgba(255, 193, 7, 0.1); color: #F0AD4E; }
.admin-badge.danger { background: rgba(231, 76, 60, 0.1); color: #E74C3C; }

.admin-actions {
    display: flex;
    gap: var(--space-2);
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.admin-btn-edit {
    background: rgba(255, 107, 0, 0.1);
    color: var(--secondary);
}

.admin-btn-edit:hover { background: var(--secondary); color: var(--white); }

.admin-btn-delete {
    background: rgba(231, 76, 60, 0.1);
    color: #E74C3C;
}

.admin-btn-delete:hover { background: #E74C3C; color: var(--white); }

/* Admin Login */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
}

.login-card {
    background: var(--white);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
}

.login-card h2 {
    text-align: center;
    margin-bottom: var(--space-8);
}

/* Admin responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }
}

/* === Inquiry Popup === */
.inquiry-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

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

.inquiry-popup-inner {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.inquiry-popup-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inquiry-popup-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

/* === Loading === */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.page-loader.hide {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--secondary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Print === */
@media print {
    .site-header,
    .site-footer,
    .back-to-top,
    .cta-section { display: none; }
    body { color: #000; }
}