/* ============================================================
   ALPHA Digital Electronics - Landing Page Styles
   Brand Colors: White (#ffffff) + Red (#b72323) + Dark (#333333)
   Font: Montserrat (body) + Playfair Display (headings)
   ============================================================ */

:root {
    --bg-white: #ffffff;
    --bg-light: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --accent: #b72323;
    --accent-light: #d43030;
    --accent-dark: #8f1b1b;
    --gradient-accent: linear-gradient(135deg, #b72323, #d43030);
    --gradient-dark: linear-gradient(135deg, #333333, #444444);
    --gradient-hero: linear-gradient(135deg, #000000 0%, #111111 50%, #000000 100%);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(183, 35, 35, 0.2);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 30px rgba(183, 35, 35, 0.1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Montserrat', sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

/* ===== HEADER ===== */
#header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}
#header.scrolled { background: rgba(255, 255, 255, 0.98); box-shadow: var(--shadow-md); }
.header-inner {
    max-width: 1280px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.logo img { height: 44px; width: auto; }
.main-nav { display: flex; gap: 32px; }
.main-nav a {
    font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--text-secondary); padding: 8px 0;
    position: relative;
}
.main-nav a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background: var(--gradient-accent); transition: var(--transition);
}
.main-nav a:hover { color: var(--accent); }
.main-nav a:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 16px; }

/* Mobile Menu */
.mobile-menu-btn {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.mobile-menu-btn span {
    width: 24px; height: 2px; background: var(--text-primary);
    transition: var(--transition); border-radius: 2px;
}
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero-section {
    min-height: 100vh; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: #000000; position: relative; overflow: hidden;
    text-align: center; padding: 120px 24px 80px;
}
.hero-particles {
    position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.hero-particles .particle {
    position: absolute; border-radius: 50%;
    background: radial-gradient(circle, rgba(183,35,35,0.25), transparent 70%);
    animation: floatParticle linear infinite;
}
@keyframes floatParticle {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(183, 35, 35, 0.15); border: 1px solid rgba(183, 35, 35, 0.4);
    padding: 10px 24px; border-radius: 50px; margin-bottom: 32px;
    font-size: 0.85rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: #ffffff;
}
.hero-badge i { color: #ff6b6b; }
.hero-section h1 { margin-bottom: 24px; }
.hero-line1 {
    display: block; font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 700;
    line-height: 1.1; color: #ffffff;
}
.hero-line2 {
    display: block; font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 700;
    line-height: 1.1;
    color: #ff6b6b;
}
.hero-subtitle {
    font-size: 1.15rem; color: rgba(255,255,255,0.75); max-width: 650px;
    margin: 0 auto 40px; line-height: 1.8;
}
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats {
    display: flex; align-items: center; justify-content: center; gap: 40px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
    padding: 24px 48px; border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}
.stat { text-align: center; }
.stat-number {
    display: block; font-size: 2.5rem; font-weight: 800; color: #ffffff;
    line-height: 1;
}
.stat-suffix { font-size: 2rem; font-weight: 800; color: #ffffff; }
.stat-label-top {
    display: block; font-size: 2.5rem; font-weight: 800; color: #ffffff;
    line-height: 1;
}
.stat-label { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.65); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }
.hero-scroll-indicator {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    animation: bounce 2s infinite;
}
.mouse {
    width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.4);
    border-radius: 13px; position: relative;
}
.wheel {
    width: 4px; height: 8px; background: #ffffff;
    border-radius: 2px; position: absolute; top: 8px; left: 50%;
    transform: translateX(-50%); animation: scroll 2s infinite;
}
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-10px); } 60% { transform: translateX(-50%) translateY(-5px); } }
@keyframes scroll { 0% { opacity: 1; transform: translateX(-50%) translateY(0); } 100% { opacity: 0; transform: translateX(-50%) translateY(12px); } }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 32px; border-radius: var(--radius-sm);
    font-family: inherit; font-weight: 600; font-size: 0.9rem;
    text-transform: uppercase; letter-spacing: 1px;
    cursor: pointer; border: none; transition: var(--transition);
}
.btn-primary {
    background: var(--gradient-accent); color: #ffffff;
    box-shadow: 0 4px 20px rgba(183, 35, 35, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(183, 35, 35, 0.4); }
.btn-outline {
    background: transparent; color: #ffffff;
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { border-color: #ffffff; color: #ffffff; background: rgba(255,255,255,0.1); }
.btn-sm { padding: 10px 24px; font-size: 0.8rem; }
.btn-lg { padding: 16px 40px; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }

/* White section buttons */
.about-section .btn-primary,
.products-section .btn-primary,
.b2b-section .btn-primary,
.contact-section .btn-primary {
    color: #ffffff;
}
.about-section .btn-outline,
.products-section .btn-outline,
.b2b-section .btn-outline,
.contact-section .btn-outline {
    color: var(--text-primary);
    border-color: var(--border-color);
}
.about-section .btn-outline:hover,
.products-section .btn-outline:hover,
.b2b-section .btn-outline:hover,
.contact-section .btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(183, 35, 35, 0.04);
}

/* ===== TRUST BAR ===== */
.trust-bar { background: var(--bg-white); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); padding: 40px 0; }
.trust-items { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.trust-item {
    display: flex; align-items: center; gap: 14px; flex: 1; min-width: 200px;
}
.trust-item i { font-size: 1.8rem; color: var(--accent); flex-shrink: 0; }
.trust-item strong { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.trust-item span { font-size: 0.75rem; color: var(--text-muted); }

/* ===== SECTION TAGS ===== */
.section-tag {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 3px; color: var(--accent);
    margin-bottom: 16px; position: relative; padding-left: 48px;
}
.section-tag::before {
    content: ''; position: absolute; left: 0; top: 50%;
    width: 36px; height: 2px; background: var(--gradient-accent);
}
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header h2 {
    font-family: 'Playfair Display', serif; font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700; margin-bottom: 16px; color: var(--text-primary);
}
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }
.section-header .section-tag { padding-left: 0; }
.section-header .section-tag::before { display: none; }

/* ===== ABOUT ===== */
.about-section { background: var(--bg-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-content h2 { font-family: 'Playfair Display', serif; font-size: 2.5rem; margin-bottom: 24px; color: var(--text-primary); }
.about-content p { color: var(--text-secondary); margin-bottom: 16px; font-size: 0.95rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
.about-feature {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 16px; background: var(--bg-light); border-radius: var(--radius-md);
    border: 1px solid var(--border-color); transition: var(--transition);
}
.about-feature:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.about-feature-icon {
    width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(183, 35, 35, 0.08); color: var(--accent); font-size: 1.1rem;
}
.about-feature strong { display: block; font-size: 0.85rem; margin-bottom: 2px; color: var(--text-primary); }
.about-feature span { font-size: 0.75rem; color: var(--text-muted); }
.about-visual { position: relative; }
.about-image-stack { position: relative; height: 500px; }
.about-img {
    position: absolute; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    object-fit: cover;
}
.about-img-1 { top: 0; left: 0; width: 65%; height: 70%; z-index: 2; }
.about-img-2 { bottom: 0; right: 0; width: 55%; height: 60%; z-index: 1; border: 3px solid var(--accent); }
.about-badge-float {
    position: absolute; bottom: 20%; left: 40%; z-index: 3;
    background: var(--gradient-accent); color: #ffffff;
    padding: 20px 28px; border-radius: var(--radius-md); text-align: center;
    box-shadow: var(--shadow-lg);
}
.about-badge-number { display: block; font-size: 2rem; font-weight: 900; line-height: 1; color: #ffffff; }
.about-badge-float span { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: #ffffff; }

/* ===== PRODUCTS ===== */
.products-section { background: var(--bg-light); }
.category-filters {
    display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 48px;
}
.cat-filter {
    padding: 10px 24px; border: 1px solid var(--border-color);
    background: var(--bg-white); color: var(--text-secondary);
    border-radius: 50px; font-family: inherit; font-size: 0.85rem;
    font-weight: 600; cursor: pointer; transition: var(--transition);
}
.cat-filter:hover { border-color: var(--accent); color: var(--accent); }
.cat-filter.active {
    background: var(--gradient-accent); color: #ffffff;
    border-color: transparent;
}
.products-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 28px;
}
.product-card {
    background: var(--bg-white); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: var(--transition); position: relative;
    display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(183, 35, 35, 0.2); }
.product-card.hidden { display: none; }
.product-badge {
    position: absolute; top: 16px; left: 16px; z-index: 5;
    padding: 6px 14px; border-radius: 50px; font-size: 0.7rem;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    background: var(--accent); color: #ffffff;
}
.badge-premium { background: linear-gradient(135deg, #b72323, #e03333); }
.badge-new { background: #2ecc71; color: #fff; }
.badge-special { background: #e67e22; color: #fff; }
.product-image {
    position: relative; overflow: hidden;
    aspect-ratio: 4/3; background: #f9f9f9;
}
.product-image img {
    width: 100%; height: 100%; object-fit: contain;
    transition: var(--transition-slow); padding: 16px;
}
.product-card:hover .product-image img { transform: scale(1.05); }
.img-count-badge {
    position: absolute; top: 12px; right: 12px; z-index: 5;
    background: rgba(51,51,51,0.8); color: #fff;
    padding: 3px 10px; border-radius: 50px; font-size: 0.7rem; font-weight: 600;
}

/* Card mini thumbnails */
.card-thumbs {
    display: flex; gap: 6px; padding: 8px 12px; background: #f5f5f5;
    border-top: 1px solid var(--border-color); overflow-x: auto;
}
.card-thumb {
    width: 52px; height: 52px; flex-shrink: 0;
    border-radius: 6px; overflow: hidden; cursor: pointer;
    border: 2px solid transparent; background: #fff;
    transition: var(--transition);
}
.card-thumb.active { border-color: var(--accent); }
.card-thumb:hover { border-color: var(--accent-light); }
.card-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 2px; }
.card-thumb-more {
    width: 52px; height: 52px; flex-shrink: 0;
    border-radius: 6px; background: rgba(183,35,35,0.08);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700; color: var(--accent);
}

.product-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-category {
    display: inline-block; font-size: 0.7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 2px; color: var(--accent);
    margin-bottom: 6px;
}
.product-info h3 {
    font-family: 'Playfair Display', serif; font-size: 1.2rem;
    font-weight: 700; margin-bottom: 6px; color: var(--text-primary);
}
.product-short-desc {
    font-size: 0.8rem; color: var(--accent); margin-bottom: 10px;
    line-height: 1.5; font-weight: 600;
    padding: 6px 10px; background: rgba(183, 35, 35, 0.04);
    border-radius: var(--radius-sm); border-left: 3px solid var(--accent);
}
.product-features { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.product-features span {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; background: rgba(183, 35, 35, 0.05);
    border: 1px solid rgba(183, 35, 35, 0.12);
    border-radius: 50px; font-size: 0.7rem; font-weight: 600;
    color: var(--accent);
}
.product-features i { font-size: 0.6rem; }

/* Card specs section - visible directly */
.card-specs-section {
    display: flex; flex-direction: column; gap: 4px;
    margin-bottom: 12px; padding: 10px;
    background: var(--bg-light); border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}
.card-spec-row {
    display: flex; gap: 8px; font-size: 0.78rem; padding: 3px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.card-spec-row:last-child { border-bottom: none; }
.card-spec-label { font-weight: 700; color: var(--text-primary); min-width: 100px; flex-shrink: 0; }
.card-spec-value { color: var(--text-secondary); }

/* Full description visible on card */
.card-full-desc {
    font-size: 0.82rem; color: var(--text-secondary); line-height: 1.7;
    margin-bottom: 12px; max-height: 120px; overflow-y: auto;
    padding-right: 4px;
}
.card-full-desc::-webkit-scrollbar { width: 3px; }
.card-full-desc::-webkit-scrollbar-track { background: transparent; }
.card-full-desc::-webkit-scrollbar-thumb { background: rgba(183, 35, 35, 0.2); border-radius: 10px; }

/* Card warranty badge */
.card-warranty {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; background: rgba(183, 35, 35, 0.05);
    border: 1px solid rgba(183, 35, 35, 0.12);
    border-radius: var(--radius-sm); margin-bottom: 12px;
    font-size: 0.75rem; font-weight: 600; color: var(--text-primary);
}
.card-warranty i { color: var(--accent); font-size: 1rem; }

/* Card warranty now serves as bottom element */
.card-warranty { margin-top: auto; }

/* ===== CATALOGUE DOWNLOAD ===== */
.catalogue-section {
    padding: 80px 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.catalogue-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: var(--radius-xl);
    padding: 60px;
    position: relative;
    overflow: hidden;
}
.catalogue-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(183, 35, 35, 0.15) 0%, transparent 70%);
    pointer-events: none;
}
.catalogue-inner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(183, 35, 35, 0.1) 0%, transparent 70%);
    pointer-events: none;
}
.catalogue-content {
    position: relative;
    z-index: 2;
}
.catalogue-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(183, 35, 35, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #ff6b6b;
    margin-bottom: 24px;
}
.catalogue-content .section-tag {
    color: #ff6b6b;
    padding-left: 48px;
}
.catalogue-content .section-tag::before {
    background: linear-gradient(135deg, #ff6b6b, #b72323);
}
.catalogue-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.2;
}
.catalogue-content p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 24px;
}
.catalogue-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.catalogue-feat {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}
.catalogue-feat i {
    color: #ff6b6b;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.catalogue-action {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}
.catalogue-preview {
    display: flex;
    align-items: center;
    gap: 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    width: 100%;
    transition: var(--transition);
}
.catalogue-preview:hover {
    border-color: rgba(183, 35, 35, 0.4);
    background: rgba(255, 255, 255, 0.08);
}
.catalogue-pdf-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(183, 35, 35, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #ff6b6b;
    flex-shrink: 0;
}
.catalogue-file-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.catalogue-file-info strong {
    font-size: 0.9rem;
    color: #ffffff;
    font-weight: 600;
}
.catalogue-file-info span {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.catalogue-download-btn {
    width: 100%;
    justify-content: center;
    padding: 18px 40px;
    font-size: 1rem;
    gap: 12px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 24px rgba(183, 35, 35, 0.35);
}
.catalogue-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(183, 35, 35, 0.45);
}
.catalogue-download-btn i {
    font-size: 1.1rem;
}

@media (max-width: 1024px) {
    .catalogue-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 48px;
    }
}
@media (max-width: 768px) {
    .catalogue-inner {
        padding: 32px 24px;
        gap: 32px;
    }
    .catalogue-features {
        grid-template-columns: 1fr;
    }
    .catalogue-section {
        padding: 60px 0;
    }
}

/* ===== TECHNOLOGY ===== */
.tech-section {
    padding: 100px 0;
    background: #333333;
    color: #ffffff;
}
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tech-card {
    padding: 36px; border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition); text-align: center;
}
.tech-card:hover { border-color: rgba(183, 35, 35, 0.5); transform: translateY(-4px); box-shadow: 0 0 30px rgba(183, 35, 35, 0.15); }
.tech-icon {
    width: 72px; height: 72px; margin: 0 auto 20px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; background: rgba(183, 35, 35, 0.15);
    font-size: 1.6rem; color: #ff6b6b;
}
.tech-card h3 { font-family: 'Playfair Display', serif; font-size: 1.2rem; margin-bottom: 12px; color: #ffffff; }
.tech-card p { font-size: 0.85rem; color: rgba(255,255,255,0.7); line-height: 1.7; }

/* ===== B2B ===== */
.b2b-section { background: var(--bg-white); }
.b2b-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.b2b-content h2 { font-family: 'Playfair Display', serif; font-size: 2.5rem; margin-bottom: 20px; color: var(--text-primary); }
.b2b-intro { font-size: 1rem; color: var(--text-secondary); margin-bottom: 36px; line-height: 1.8; }
.b2b-benefits { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.b2b-benefit {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px; background: var(--bg-light); border-radius: var(--radius-md);
    border: 1px solid var(--border-color); transition: var(--transition);
}
.b2b-benefit:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.b2b-benefit i { font-size: 1.4rem; color: var(--accent); margin-top: 2px; flex-shrink: 0; }
.b2b-benefit strong { display: block; font-size: 0.95rem; margin-bottom: 4px; color: var(--text-primary); }
.b2b-benefit span { font-size: 0.85rem; color: var(--text-secondary); }
.b2b-visual { position: sticky; top: 100px; }
.b2b-map {
    background: var(--bg-light); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 40px; margin-bottom: 24px;
}
.map-container { position: relative; height: 300px; }
.map-globe { font-size: 12rem; color: rgba(183, 35, 35, 0.06); position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.map-points { position: absolute; inset: 0; }
.map-point {
    position: absolute; display: flex; flex-direction: column; align-items: center;
    animation: pulse 2s infinite;
}
.map-point-hq .map-flag { font-size: 1.8rem; }
.map-point-hq .map-label { color: var(--accent); font-weight: 700; }
.map-flag { font-size: 1.4rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15)); }
.map-label { font-size: 0.7rem; font-weight: 600; color: var(--text-secondary); margin-top: 4px; white-space: nowrap; }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }
.b2b-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.b2b-stat {
    background: var(--bg-white); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 20px; text-align: center;
    transition: var(--transition);
}
.b2b-stat:hover { border-color: var(--accent); }
.b2b-stat i { font-size: 1.5rem; color: var(--accent); display: block; margin-bottom: 8px; }
.b2b-stat strong { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-primary); }

/* ===== CONTACT ===== */
.contact-section { background: var(--bg-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }
.contact-info-cards { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
    padding: 24px; background: var(--bg-white); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); transition: var(--transition);
}
.contact-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.contact-card-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(183, 35, 35, 0.08); color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; margin-bottom: 14px;
}
.contact-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.contact-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.contact-card a { color: var(--accent); font-size: 0.9rem; font-weight: 600; }
.contact-card a:hover { color: var(--accent-dark); }
.contact-social { display: flex; gap: 12px; margin-top: 8px; }
.contact-social a {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--bg-white); border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--text-secondary);
    transition: var(--transition);
}
.contact-social a:hover { background: var(--accent); color: #ffffff; border-color: var(--accent); }
.contact-form-wrapper {
    background: var(--bg-white); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 40px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); }
.form-group input, .form-group select, .form-group textarea {
    background: var(--bg-light); border: 1px solid var(--border-color);
    color: var(--text-primary); padding: 14px 18px; border-radius: var(--radius-sm);
    font-family: inherit; font-size: 0.9rem; transition: var(--transition);
    outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px rgba(183, 35, 35, 0.08);
}
.form-group select { cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== FOOTER ===== */
.footer {
    background: #333333; color: #ffffff;
    border-top: 3px solid var(--accent);
    padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-logo { height: 40px; margin-bottom: 16px; filter: brightness(10); }
.footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7); transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #ffffff; border-color: var(--accent); }
.footer-links h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; color: var(--accent-light); }
.footer-links a, .footer-links span { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.65); padding: 4px 0; }
.footer-links a:hover { color: #ffffff; padding-left: 6px; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8rem; color: rgba(255,255,255,0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-grid, .b2b-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .b2b-visual { position: static; }
    .hero-stats { padding: 20px 24px; gap: 24px; }
}
@media (max-width: 768px) {
    .main-nav {
        position: fixed; top: 72px; left: 0; right: 0;
        background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px);
        flex-direction: column; align-items: center; padding: 32px 0;
        gap: 24px; border-bottom: 1px solid var(--border-color);
        transform: translateY(-120%); transition: var(--transition);
    }
    .main-nav.open { transform: translateY(0); }
    .mobile-menu-btn { display: flex; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .stat-divider { width: 40px; height: 1px; }
    .products-grid { grid-template-columns: 1fr; }
    .card-spec-label { min-width: 80px; }
    .tech-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .about-image-stack { height: 350px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .category-filters { gap: 8px; }
    .cat-filter { padding: 8px 16px; font-size: 0.75rem; }
    .section { padding: 60px 0; }
    .b2b-stats-grid { grid-template-columns: 1fr 1fr; }
    .trust-items { gap: 16px; }
    .trust-item { min-width: 150px; }
}
@media (max-width: 480px) {
    .hero-section { padding: 100px 16px 60px; }
    .hero-badge { font-size: 0.7rem; padding: 8px 16px; }
    .btn { padding: 12px 24px; font-size: 0.8rem; }
    .contact-form-wrapper { padding: 24px; }
}

/* ===== PRODUCT MODAL ===== */
.product-modal-overlay {
    position: fixed; inset: 0; z-index: 10000;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: var(--transition);
    padding: 20px;
}
.product-modal-overlay.active { opacity: 1; visibility: visible; }
.product-modal {
    background: var(--bg-white); border-radius: var(--radius-lg);
    max-width: 1100px; width: 100%; max-height: 90vh; overflow-y: auto;
    position: relative; box-shadow: 0 30px 80px rgba(0,0,0,0.3);
    transform: scale(0.9) translateY(30px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-modal-overlay.active .product-modal { transform: scale(1) translateY(0); }
.modal-close {
    position: absolute; top: 16px; right: 16px; z-index: 10;
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(51,51,51,0.9); color: #fff;
    border: none; cursor: pointer; font-size: 1.1rem;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.modal-close:hover { background: var(--accent); transform: rotate(90deg); }
.modal-content { display: grid; grid-template-columns: 1fr 1fr; }
.modal-gallery { background: #f9f9f9; padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.gallery-main {
    position: relative; aspect-ratio: 1/1; border-radius: var(--radius-md);
    overflow: hidden; background: #fff;
}
.gallery-main img {
    width: 100%; height: 100%; object-fit: contain; padding: 16px;
    transition: opacity 0.3s ease;
}
.gallery-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.9); border: 1px solid var(--border-color);
    color: var(--text-primary); cursor: pointer; font-size: 0.9rem;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition); box-shadow: var(--shadow-sm);
}
.gallery-nav:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }
.gallery-counter {
    position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
    background: rgba(51,51,51,0.8); color: #fff;
    padding: 4px 14px; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
}
.gallery-thumbs { display: flex; gap: 10px; overflow-x: auto; padding: 4px 0; }
.gallery-thumb {
    width: 70px; height: 70px; flex-shrink: 0;
    border-radius: var(--radius-sm); overflow: hidden;
    border: 2px solid transparent; cursor: pointer;
    transition: var(--transition); background: #fff;
}
.gallery-thumb.active { border-color: var(--accent); }
.gallery-thumb:hover { border-color: var(--accent-light); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.modal-details { padding: 40px 36px; display: flex; flex-direction: column; gap: 20px; }
.modal-category {
    display: inline-block; font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 2px; color: var(--accent);
}
.modal-details h2 {
    font-family: 'Playfair Display', serif; font-size: 1.8rem;
    font-weight: 700; color: var(--text-primary); line-height: 1.2;
}
.modal-full-desc { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.8; }
.modal-specs { display: flex; flex-direction: column; gap: 10px; margin: 8px 0; }
.spec-row {
    display: flex; gap: 12px; padding: 10px 14px;
    background: var(--bg-light); border-radius: var(--radius-sm);
    border: 1px solid var(--border-color); font-size: 0.85rem;
}
.spec-label { font-weight: 700; color: var(--text-primary); min-width: 120px; flex-shrink: 0; }
.spec-value { color: var(--text-secondary); }
.modal-warranty {
    display: flex; align-items: center; gap: 14px;
    padding: 16px; background: rgba(183, 35, 35, 0.05);
    border: 1px solid rgba(183, 35, 35, 0.15);
    border-radius: var(--radius-md);
}
.modal-warranty i { font-size: 1.6rem; color: var(--accent); }
.modal-warranty strong { display: block; font-size: 0.9rem; color: var(--text-primary); }
.modal-warranty span { font-size: 0.8rem; color: var(--text-muted); }
.modal-cta { margin-top: auto; }

/* Product card clickable hint */
.product-card { cursor: pointer; }

@media (max-width: 768px) {
    .modal-content { grid-template-columns: 1fr; }
    .modal-gallery { padding: 20px; }
    .modal-details { padding: 24px 20px; }
    .modal-details h2 { font-size: 1.4rem; }
    .spec-row { flex-direction: column; gap: 2px; }
    .spec-label { min-width: auto; }
    .gallery-thumb { width: 56px; height: 56px; }
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
    position: fixed; bottom: 30px; right: 30px; z-index: 9999;
    background: var(--accent); color: #ffffff;
    padding: 16px 28px; border-radius: var(--radius-md);
    font-weight: 600; font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px); opacity: 0;
    transition: var(--transition);
}
.toast.show { transform: translateY(0); opacity: 1; }