/* ===================================
   Mitsubishi VRF Türkiye - Style System
   Premium Corporate Design
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* === CSS Variables === */
:root {
    --primary: #E60012;
    --primary-dark: #B8000E;
    --primary-light: #FF1A2C;
    --secondary: #1A1A2E;
    --secondary-light: #16213E;
    --accent: #0F3460;
    --accent-light: #533483;

    --bg-primary: #FAFBFC;
    --bg-secondary: #F0F2F5;
    --bg-dark: #0A0A1A;
    --bg-card: #FFFFFF;

    --text-primary: #1A1A2E;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    --text-light: #A0AEC0;
    --text-white: #FFFFFF;

    --border: #E2E8F0;
    --border-light: #EDF2F7;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.07), 0 4px 10px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.06);
    --shadow-glow: 0 0 30px rgba(230, 0, 18, 0.15);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;

    --container: 1280px;
    --header-height: 80px;
}

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

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

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

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

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

ul, ol { list-style: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* === Header === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    height: 64px;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--secondary);
    z-index: 1001;
}

.logo-mark {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: -1px;
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
}

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

/* === Navigation === */
.nav-capsule-wrapper {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border-radius: 50px;
    padding: 6px;
    border: 1px solid #e2e8f0;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav > li {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: -10px;
}

.main-nav > li > a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.main-nav > li > a:hover,
.main-nav > li > a.active {
    color: var(--primary);
    background: rgba(230, 0, 18, 0.06);
}

.main-nav > li > a .nav-arrow {
    font-size: 0.65rem;
    transition: var(--transition);
    opacity: 0.5;
}

.main-nav > li:hover > a .nav-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

/* Dropdown */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 240px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition);
    z-index: 100;
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
}

.nav-dropdown::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: white;
    border-top: 1px solid var(--border-light);
    border-left: 1px solid var(--border-light);
    z-index: 1;
}

.main-nav > li:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-dropdown a:hover {
    background: rgba(230, 0, 18, 0.06);
    color: var(--primary);
    padding-left: 22px;
}

.nav-dropdown a .dd-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.nav-dropdown a:hover .dd-icon {
    background: rgba(230, 0, 18, 0.1);
    color: var(--primary);
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 12px;
}
.lang-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    padding: 4px 12px;
    background: white;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    white-space: nowrap;
}
.lang-selector img {
    width: 20px;
    height: 15px;
    border-radius: 2px;
}
.nav-separator {
    width: 1px;
    height: 24px;
    background: #cbd5e1;
    margin: 0 4px;
}
.btn-call {
    display: flex!important;
    align-items: center;
    background: #1f3d64; /* Dark blue variant similar to Daikin reference */
    color: white!important;
    padding: 8px 20px!important;
    border-radius: 50px!important;
    font-weight: 700!important;
    font-size: 0.85rem!important;
    white-space: nowrap;
    text-transform: none;
    letter-spacing: 0;
}
.btn-call:hover {
    background: #152b47;
    transform: none;
    box-shadow: none;
}

.search-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-toggle:hover {
    background: rgba(230, 0, 18, 0.08);
    color: var(--primary);
}

.btn-contact-header {
    padding: 9px 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.25);
}

.btn-contact-header:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.35);
}

/* Mobile menu toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 1001;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.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);
}

/* === Search Overlay === */
.search-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.search-box {
    width: 100%;
    max-width: 640px;
    padding: 0 24px;
    transform: translateY(20px);
    transition: var(--transition);
}

.search-overlay.active .search-box {
    transform: translateY(0);
}

.search-input-wrap {
    position: relative;
}

.search-input-wrap input {
    width: 100%;
    padding: 20px 60px 20px 24px;
    font-size: 1.15rem;
    font-family: var(--font-primary);
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-xl);
    background: rgba(255,255,255,0.1);
    color: white;
    outline: none;
    transition: var(--transition);
}

.search-input-wrap input::placeholder {
    color: rgba(255,255,255,0.5);
}

.search-input-wrap input:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.15);
}

.search-input-wrap button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}

.search-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: white;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 1.3rem;
    transition: var(--transition);
}

.search-close:hover {
    background: var(--primary);
}

/* === Hero Section === */
.hero {
    margin-top: var(--header-height);
    position: relative;
    height: 85vh;
    min-height: 600px;
    max-height: 900px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary) 50%, var(--accent) 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(230, 0, 18, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(15, 52, 96, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(83, 52, 131, 0.05) 0%, transparent 60%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px 6px 8px;
    background: rgba(230, 0, 18, 0.12);
    border: 1px solid rgba(230, 0, 18, 0.25);
    border-radius: var(--radius-full);
    color: #FF6B7A;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease both;
}

.hero-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, #FF6B7A, #FF9A9E, #FFD1D1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat .stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: white;
}

.hero-stat .stat-value span {
    color: var(--primary);
}

.hero-stat .stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    margin-top: 4px;
    letter-spacing: 0.02em;
}

.hero-visual {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 55%;
    max-width: 700px;
    opacity: 0.15;
    pointer-events: none;
}

.hero-visual svg {
    width: 100%;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 0, 18, 0.4);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--secondary);
    color: white;
}

.btn-dark:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

/* === Section Common === */
.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-white);
}

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

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 20px;
    height: 1.5px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* === Categories Grid === */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.category-card {
    position: relative;
    padding: 36px 28px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.category-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(230, 0, 18, 0.08), rgba(230, 0, 18, 0.03));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.category-card:hover .category-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    transform: scale(1.05);
}

.category-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.category-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.category-count {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary);
}

/* === Products Grid === */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: white;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-light);
}

.product-image img {
    width: 75%;
    height: 75%;
    object-fit: contain;
    transition: var(--transition-slow);
}

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

.product-image .placeholder-icon {
    font-size: 4rem;
    color: #cbd5e0;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-model {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-desc {
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-specs {
    display: flex;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    margin-bottom: 16px;
}

.product-spec {
    flex: 1;
}

.product-spec .spec-label {
    font-size: 0.72rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.product-spec .spec-label .spec-icon {
    font-size: 0.85rem;
    line-height: 1;
}

.product-spec.spec-cooling .spec-label {
    color: #5ba8d6;
}

.product-spec.spec-heating .spec-label {
    color: #e84c3d;
}

.product-spec .spec-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

/* === Product Detail === */
.product-detail-hero {
    margin-top: var(--header-height);
    padding: 32px 0 60px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, white 100%);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

.breadcrumb .sep {
    color: var(--text-light);
    font-size: 0.7rem;
}

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

.detail-image-container {
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.detail-image {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.detail-image .placeholder-icon {
    font-size: 8rem;
    color: #cbd5e0;
}

.detail-info h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.detail-model {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    padding: 4px 12px;
    background: rgba(230, 0, 18, 0.06);
    border-radius: var(--radius-full);
}

.detail-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0;
}

/* Capacity Cards */
.capacity-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 28px;
}

.capacity-card {
    padding: 16px 14px;
    border-radius: 14px;
    text-align: center;
    transition: transform 0.2s;
}

.capacity-card:hover {
    transform: translateY(-3px);
}

.capacity-cool { background: linear-gradient(135deg, #EBF5FF, #DBEAFE); }
.capacity-heat { background: linear-gradient(135deg, #FEF3C7, #FDE68A); }
.capacity-eer { background: linear-gradient(135deg, #ECFDF5, #D1FAE5); }
.capacity-cop { background: linear-gradient(135deg, #F3E8FF, #E9D5FF); }

.capacity-icon { font-size: 1.5rem; margin-bottom: 4px; }
.capacity-label { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.7; margin-bottom: 2px; }
.capacity-value { font-size: 1.15rem; font-weight: 800; }
.capacity-cool .capacity-label { color: #3B82F6; }
.capacity-cool .capacity-value { color: #1E40AF; }
.capacity-heat .capacity-label { color: #D97706; }
.capacity-heat .capacity-value { color: #92400E; }
.capacity-eer .capacity-label { color: #059669; }
.capacity-eer .capacity-value { color: #065F46; }
.capacity-cop .capacity-label { color: #7C3AED; }
.capacity-cop .capacity-value { color: #5B21B6; }

/* Specs Container */
.specs-container {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 28px;
}

.specs-header {
    background: linear-gradient(135deg, var(--secondary), var(--bg-dark));
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.specs-header span { font-size: 1.2rem; }
.specs-header h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 32px;
}

.specs-table tr:nth-child(even) {
    background: var(--bg-secondary);
}

.specs-table tr:hover {
    background: rgba(230, 0, 18, 0.02);
}

.specs-table td {
    padding: 13px 18px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-light);
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--text-primary);
    width: 45%;
}

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

/* Detail CTA */
.detail-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 0.95rem;
}

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

.feature-card {
    padding: 32px 24px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(230, 0, 18, 0.2);
    transform: translateY(-4px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(230, 0, 18, 0.15), rgba(230, 0, 18, 0.05));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.feature-card p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
}

/* === CTA Section === */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 32px;
}

/* === Footer === */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.65);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
    max-width: 340px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

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

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-col ul li a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
}

/* === Contact Section === */
.contact-info-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.contact-info-card {
    padding: 30px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-info-card .info-icon {
    width: 60px;
    height: 60px;
    background: rgba(230, 0, 18, 0.08);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.contact-info-card h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 10px;
}

.contact-info-card p {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.info-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-map-wrap h3, .contact-form h3 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.map-address-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin-top: -5px;
}

/* === Services Page === */
.services-page-section {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.service-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(230, 0, 18, 0.05);
    line-height: 1;
    margin-bottom: -15px;
}

.step-item h4 {
    position: relative;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.services-cta {
    margin-top: 100px;
    padding: 60px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    text-align: center;
}

.contact-info-card {
    padding: 32px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    margin-bottom: 20px;
}

.contact-info-card .info-icon {
    width: 48px;
    height: 48px;
    background: rgba(230, 0, 18, 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.contact-info-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-info-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.08);
}

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

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

/* === Category Page === */
.category-page {
    margin-top: var(--header-height);
    padding: 40px 0 80px;
}

.category-hero {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    padding: 60px 0;
    margin-top: var(--header-height);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

.category-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
    position: relative;
}

.category-hero p {
    font-size: 1rem;
    color: rgba(255,255,255,0.65);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.subcategory-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.subcategory-tab {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.subcategory-tab:hover,
.subcategory-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* === Pagination === */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 48px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

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

/* === Alert Messages === */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    margin-bottom: 24px;
    border: 1px solid;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border-color: #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

/* === 404 Page === */
.error-page {
    margin-top: var(--header-height);
    padding: 100px 0;
    text-align: center;
}

.error-page h1 {
    font-family: var(--font-heading);
    font-size: 8rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
    margin-bottom: 16px;
}

.error-page h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.error-page p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

/* === SEO Text Section === */
.seo-content {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.seo-content .content-text {
    max-width: 900px;
    margin: 0 auto;
}

.seo-content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    margin-top: 32px;
}

.seo-content h2:first-child {
    margin-top: 0;
}

.seo-content p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* === Loading Animation === */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
}

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

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--text-light);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* === Responsive === */

/* --- Tablet (1024px) --- */
@media (max-width: 1024px) {
    .hero {
        height: auto;
        min-height: auto;
        padding: 80px 0;
    }

    .hero-visual {
        display: none;
    }

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

    .detail-image {
        position: static;
        aspect-ratio: 4/3;
    }

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

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

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

/* --- Mobile (768px) --- */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    /* Mobile Header */
    .site-header {
        height: var(--header-height);
    }

    .header-inner {
        padding: 0 16px;
    }

    .logo {
        font-size: 1.1rem;
        gap: 8px;
    }

    .logo-mark {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    /* Mobile Menu Toggle */
    .mobile-toggle {
        display: flex;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-sm);
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-toggle span {
        width: 22px;
        height: 2.5px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        display: block;
    }

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

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

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

    /* Mobile Navigation - Full Screen Overlay */
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: 0;
        padding-top: var(--header-height);
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        gap: 0;
        z-index: 999;
    }

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

    /* Mobile Nav Items */
    .main-nav > li {
        width: 100%;
        border-bottom: 1px solid var(--border-light);
    }

    .main-nav > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 20px;
        font-size: 1.05rem;
        font-weight: 500;
        color: var(--text-primary);
        border-radius: 0;
        background: none;
        min-height: 56px;
        -webkit-tap-highlight-color: transparent;
    }

    .main-nav > li > a:hover,
    .main-nav > li > a:active {
        background: rgba(230, 0, 18, 0.04);
        color: var(--primary);
    }

    .main-nav > li > a .nav-arrow {
        font-size: 0.75rem;
        opacity: 0.6;
        transition: transform 0.3s ease;
    }

    .main-nav > li > a.dd-open .nav-arrow {
        transform: rotate(180deg);
        opacity: 1;
        color: var(--primary);
    }

    /* Mobile Dropdown */
    .nav-dropdown {
        position: static;
        transform: none !important;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: all !important;
        min-width: auto;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        background: var(--bg-secondary);
    }

    .nav-dropdown::before {
        display: none;
    }

    .nav-dropdown.show {
        max-height: 500px;
    }

    .nav-dropdown a {
        padding: 14px 20px 14px 32px;
        font-size: 0.95rem;
        border-bottom: 1px solid rgba(0,0,0,0.04);
        border-radius: 0;
        min-height: 48px;
    }

    .nav-dropdown a:hover {
        padding-left: 32px;
        background: rgba(230, 0, 18, 0.06);
    }

    .nav-dropdown a .dd-icon {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    /* Hide desktop-only elements */
    .btn-contact-header {
        display: none;
    }

    /* Hero Mobile */
    .hero {
        padding: 48px 0 60px;
    }

    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.15;
    }

    .hero-badge {
        font-size: 0.72rem;
        margin-bottom: 16px;
    }

    .hero-desc {
        font-size: 0.92rem;
        margin-bottom: 28px;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons .btn {
        text-align: center;
        justify-content: center;
        width: 100%;
        padding: 14px 24px;
    }

    .hero-stats {
        gap: 0;
        flex-wrap: wrap;
        margin-top: 32px;
        padding-top: 24px;
    }

    .hero-stat {
        width: 50%;
        padding: 8px 0;
    }

    .hero-stat .stat-value {
        font-size: 1.5rem;
    }

    .hero-stat .stat-label {
        font-size: 0.72rem;
    }

    /* Sections Mobile */
    .section {
        padding: 48px 0;
    }

    .section-header {
        margin-bottom: 36px;
    }

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

    .section-subtitle {
        font-size: 0.92rem;
    }

    /* Products Grid Mobile */
    .products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .product-info {
        padding: 14px;
    }

    .product-name {
        font-size: 0.9rem;
    }

    .product-desc {
        font-size: 0.78rem;
        -webkit-line-clamp: 2;
        margin-bottom: 10px;
    }

    .product-specs {
        gap: 8px;
        padding-top: 10px;
        margin-bottom: 10px;
    }

    .product-spec .spec-label {
        font-size: 0.62rem;
    }

    .product-spec .spec-value {
        font-size: 0.75rem;
    }

    .product-link {
        font-size: 0.78rem;
        padding: 8px;
    }

    .product-badge {
        font-size: 0.62rem;
        padding: 3px 8px;
        top: 8px;
        left: 8px;
    }

    /* Categories Mobile */
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .category-card {
        padding: 24px 20px;
    }

    /* Features Mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px 20px;
    }

    /* Category Page Mobile */
    .category-hero {
        padding: 40px 0;
    }

    .category-hero h1 {
        font-size: 1.5rem;
    }

    .subcategory-tabs {
        gap: 6px;
        margin-bottom: 24px;
    }

    .subcategory-tab {
        padding: 6px 14px;
        font-size: 0.78rem;
    }

    /* Product Detail Mobile */
    .product-detail-hero {
        padding: 20px 0 40px;
    }

    .detail-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .detail-image-container {
        position: static;
    }

    .detail-image {
        aspect-ratio: 4/3;
        padding: 20px;
        border-radius: var(--radius-lg);
    }

    .detail-info h1 {
        font-size: 1.4rem;
    }

    .detail-description {
        font-size: 0.88rem;
    }

    .capacity-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .capacity-card {
        padding: 12px 10px;
    }

    .capacity-icon { font-size: 1.2rem; }
    .capacity-value { font-size: 0.95rem; }
    .capacity-label { font-size: 0.62rem; }

    .specs-container {
        border-radius: var(--radius-lg);
    }

    .specs-table td {
        padding: 10px 12px;
        font-size: 0.82rem;
    }

    .specs-table td:first-child {
        width: 50%;
    }

    /* Footer Mobile */
    .site-footer {
        padding: 48px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

    /* Contact Mobile */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-form {
        padding: 24px;
    }

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

    /* CTA Mobile */
    .cta-section {
        padding: 48px 0;
    }

    /* Breadcrumb Mobile */
    .breadcrumb {
        font-size: 0.78rem;
        flex-wrap: wrap;
        gap: 4px;
        padding: 12px 0;
    }

    /* Pagination Mobile */
    .pagination {
        gap: 4px;
        flex-wrap: wrap;
    }

    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 0.82rem;
    }

    /* Search Overlay Mobile */
    .search-overlay {
        padding-top: 15vh;
    }

    .search-input-wrap input {
        padding: 16px 52px 16px 20px;
        font-size: 1rem;
    }

    .search-close {
        top: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    /* Error Page Mobile */
    .error-page {
        padding: 60px 0;
    }

    .error-page h1 {
        font-size: 5rem;
    }
}

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

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

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero-stat {
        width: 50%;
    }

    .hero-stat .stat-value {
        font-size: 1.3rem;
    }

    .product-image {
        aspect-ratio: 3/2;
    }

    .category-card {
        padding: 20px 16px;
    }

    .category-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
        margin-bottom: 14px;
    }

    .contact-info-card {
        padding: 20px;
    }

    .seo-content {
        padding: 40px 0;
    }
}

/* --- Landscape phones fix --- */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 40px 0;
        min-height: auto;
    }

    .hero-stats {
        display: none;
    }

    .main-nav {
        padding-top: 50px;
    }

    .main-nav > li > a {
        padding: 12px 20px;
        min-height: 44px;
    }
}
    .whatsapp-fixed {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
        background-color: #25d366;
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        z-index: 9999;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .whatsapp-fixed:hover {
        transform: scale(1.1);
        box-shadow: 0 6px 16px rgba(0,0,0,0.3);
    }
    @keyframes pulse-wa {
        0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
        70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
        100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
    }
    .whatsapp-fixed {
        animation: pulse-wa 2s infinite;
    }
    @media (max-width: 768px) {
        .whatsapp-fixed {
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
        }
    }

/* === Teklif Modal === */
.teklif-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.teklif-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.teklif-modal {
    background: white;
    width: 90%;
    max-width: 600px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.teklif-modal-overlay.active .teklif-modal {
    transform: translateY(0) scale(1);
}
.teklif-modal-header {
    background: var(--primary); /* requested red color */
    color: white;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.teklif-modal-close {
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    width: 32px; height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
}
.teklif-modal-close:hover {
    background: rgba(255,255,255,0.4);
}
.teklif-modal-body {
    padding: 20px 24px;
    overflow-y: auto;
}
.teklif-modal-body label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.teklif-modal-body label span {
    color: #e60012;
}
.teklif-modal-body input, .teklif-modal-body textarea {
    width: 100%;
    padding: 10px 14px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: border-color 0.2s;
    margin-bottom: 12px;
    outline: none;
}
.teklif-modal-body input:focus, .teklif-modal-body textarea:focus {
    border-color: var(--primary);
    background: white;
}
.teklif-modal-body textarea {
    resize: vertical;
    min-height: 60px;
}
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.file-upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #f8fafc;
    margin-bottom: 5px;
}
.file-upload-box:hover {
    border-color: var(--primary);
    background: #fef2f2;
}
.file-upload-icon {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 6px;
}
.file-upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.btn-submit-teklif {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    margin-top: 5px;
}
.btn-submit-teklif:hover {
    background: var(--primary-dark);
}
@media (max-width: 600px) {
    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* === Mobile Refinement (Daikin Reference) === */
.mobile-menu-header,
.mobile-menu-contact,
.mobile-menu-cta,
.menu-backdrop {
    display: none;
}

.site-nav {
    display: block;
}

.mobile-menu-brand {
    text-decoration: none;
}

@media (max-width: 768px) {
    .nav-capsule-wrapper {
        background: transparent;
        border: none;
        padding: 0;
    }

    .site-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 84%;
        max-width: 340px;
        height: 100vh;
        height: 100dvh;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        background: linear-gradient(165deg, #102944 0%, #1f3d64 100%);
        border-left: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: -14px 0 40px rgba(0, 0, 0, 0.28);
        overflow-y: auto;
        z-index: 1200;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .site-nav.active {
        right: 0;
    }

    .menu-backdrop {
        position: fixed;
        inset: 0;
        display: block;
        border: none;
        background: rgba(15, 23, 42, 0.16);
        backdrop-filter: none;
        opacity: 0;
        visibility: hidden;
        z-index: 999;
        transition: opacity 0.25s ease, visibility 0.25s ease;
    }

    .menu-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-header {
        display: block;
        padding: 22px 20px 18px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-menu-brand {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .mobile-menu-brand-logo {
        width: 48px;
        height: 48px;
        object-fit: contain;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.95);
        padding: 6px;
    }

    .mobile-menu-brand-mark {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: white;
        font-weight: 900;
        letter-spacing: -0.04em;
    }

    .mobile-menu-brand-text strong {
        display: block;
        color: white;
        font-family: var(--font-heading);
        font-size: 1rem;
        font-weight: 800;
        line-height: 1.2;
    }

    .mobile-menu-brand-text small {
        display: block;
        margin-top: 3px;
        color: rgba(255, 255, 255, 0.72);
        font-size: 0.72rem;
        text-transform: uppercase;
        letter-spacing: 0.08em;
    }

    .main-nav {
        position: static;
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0 0;
        transform: none;
        background: transparent;
        overflow: visible;
    }

    .main-nav.active {
        transform: none;
    }

    .main-nav > li {
        width: 100%;
        padding: 0;
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .main-nav > li > a {
        justify-content: space-between;
        width: 100%;
        min-height: 56px;
        padding: 18px 22px;
        font-size: 1rem;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.92);
        border-radius: 0;
        background: transparent;
    }

    .main-nav > li > a:hover,
    .main-nav > li > a:active,
    .main-nav > li > a.dd-open {
        color: white;
        background: rgba(255, 255, 255, 0.06);
    }

    .main-nav > li > a .nav-arrow {
        opacity: 0.75;
        color: rgba(255, 255, 255, 0.9);
    }

    .nav-dropdown {
        position: static;
        left: auto;
        top: auto;
        min-width: 100%;
        margin: 0;
        padding: 0;
        border: none;
        border-radius: 0;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.05);
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: all !important;
        transform: none !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-dropdown::before,
    .nav-dropdown::after {
        display: none;
    }

    .nav-dropdown.show {
        max-height: 520px;
    }

    .nav-dropdown a {
        padding: 13px 22px 13px 30px;
        color: rgba(255, 255, 255, 0.78);
        border-radius: 0;
        font-size: 0.9rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-dropdown a:last-child {
        border-bottom: none;
    }

    .nav-dropdown a:hover {
        padding-left: 34px;
        color: white;
        background: rgba(255, 255, 255, 0.08);
    }

    .nav-dropdown a .dd-icon {
        background: rgba(255, 255, 255, 0.12);
        color: white;
    }

    .mobile-menu-cta {
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 18px 20px 14px;
        min-height: 50px;
        padding: 0 18px;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: white;
        font-weight: 700;
        font-size: 0.95rem;
        box-shadow: 0 10px 24px rgba(230, 0, 18, 0.28);
    }

    .mobile-menu-contact {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin: 0 20px 24px;
    }

    .mobile-contact-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 13px 14px;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.08);
        color: rgba(255, 255, 255, 0.84);
        font-size: 0.88rem;
    }

    .mobile-contact-icon {
        width: 34px;
        height: 34px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.12);
        color: white;
        font-size: 0.95rem;
        flex-shrink: 0;
    }

    .header-actions {
        gap: 0;
        margin-left: 0;
    }

    .lang-selector-wrapper,
    .search-toggle,
    .nav-separator,
    .btn-contact-header {
        display: none !important;
    }

    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 46px;
        height: 46px;
        padding: 0;
        gap: 5px;
        background: #f1f5f9;
        border: 1px solid #dbe4ef;
        border-radius: 12px;
    }

    .mobile-toggle span {
        width: 18px;
        height: 2px;
        background: #102944;
        transition: all 0.35s cubic-bezier(0.68, -0.6, 0.32, 1.6);
    }

    .mobile-toggle.active {
        background: #102944;
        border-color: #102944;
    }

    .mobile-toggle.active span {
        background: white;
    }

    .hero {
        min-height: auto;
        padding: 46px 0 56px;
    }

    .hero-desc {
        max-width: 100%;
    }

    .hero-stats {
        display: flex;
        flex-direction: column;
        gap: 18px;
        margin-top: 28px;
        padding-top: 24px;
    }

    .hero-stat {
        width: 100%;
        text-align: center;
    }

    .products-grid,
    .contact-info-row,
    .services-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .product-card,
    .service-card,
    .contact-info-card {
        border-radius: 18px;
    }

    .product-info,
    .service-card,
    .contact-form {
        padding: 18px;
    }

    .service-card {
        gap: 14px;
    }

    .map-address-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .map-address-bar .btn {
        width: 100%;
        justify-content: center;
    }

    .services-cta {
        margin-top: 56px;
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .site-nav {
        width: 100%;
        max-width: none;
    }

    .hero h1 {
        font-size: 1.7rem;
    }

    .hero-stats {
        gap: 14px;
    }

    .product-info,
    .service-card,
    .contact-form,
    .services-cta,
    .contact-info-card {
        padding: 16px;
    }
}