/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #ff6600;
    --accent-dark: #cc5200;
    --accent-glow: rgba(255, 102, 0, 0.35);
    --red: #ef4444;
    --gold: #f59e0b;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
section { padding: 100px 0; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; color: var(--text); }

/* ===================================
   Top Bar
   =================================== */
.top-bar {
    background: var(--primary);
    color: rgba(255,255,255,0.85);
    font-size: 0.82rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar-left { display: flex; align-items: center; gap: 20px; }
.top-bar-left a { color: rgba(255,255,255,0.9); transition: var(--transition); }
.top-bar-left a:hover { color: var(--accent); }
.top-bar-left i { margin-right: 6px; color: var(--accent); }
.top-divider { width: 1px; height: 14px; background: rgba(255,255,255,0.2); }
.top-bar-right { display: flex; align-items: center; gap: 18px; }
.top-bar-right > span i { color: var(--accent); margin-right: 6px; }
.top-social { display: flex; gap: 10px; }
.top-social a { color: rgba(255,255,255,0.7); transition: var(--transition); font-size: 0.85rem; }
.top-social a:hover { color: var(--accent); }

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo i { font-size: 1.8rem; color: var(--accent); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-brand { font-size: 1.35rem; font-weight: 700; color: var(--accent); font-family: var(--font-heading); }
.logo-brand strong { color: var(--text); }
.logo-tagline { font-size: 0.65rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }
.nav-menu { display: flex; gap: 32px; align-items: center; }
.nav-link { font-weight: 500; color: var(--text-secondary); transition: var(--transition); position: relative; font-size: 0.95rem; }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--accent); border-radius: 1px; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.cta-button {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; background: var(--accent); color: #fff;
    border: none; border-radius: 8px; font-weight: 600; font-size: 0.9rem;
    cursor: pointer; transition: var(--transition); text-decoration: none;
}
.cta-button:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; background: none; border: none; }
.hamburger span { width: 24px; height: 2.5px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border: none; border-radius: 8px;
    font-size: 0.95rem; font-weight: 600; cursor: pointer;
    transition: var(--transition); text-decoration: none; text-align: center;
    line-height: 1.4;
}
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px var(--accent-glow); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.btn-secondary { background: rgba(255,255,255,0.15); color: #fff; border: 2px solid rgba(255,255,255,0.5); backdrop-filter: blur(8px); }
.btn-secondary:hover { background: #fff; color: var(--accent); border-color: #fff; }
.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-white { background: #fff; color: var(--accent); }
.btn-white:hover { background: rgba(255,255,255,0.9); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(255,255,255,0.3); }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { background: #fff; color: var(--accent); border-color: #fff; }
.btn-block { width: 100%; justify-content: center; }

/* ===================================
   Hero
   =================================== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    justify-content: center; overflow: hidden;
    background: linear-gradient(135deg, rgba(15,23,42,0.93) 0%, rgba(15,8,30,0.90) 50%, rgba(15,23,42,0.93) 100%), url('https://img.youtube.com/vi/JIOUUy_dzjc/maxresdefault.jpg') center/cover no-repeat;
}
.hero-bg-effects { position: absolute; inset: 0; z-index: 0; }
.hero-gradient {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 50%, rgba(255,102,0,0.22) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 80% 30%, rgba(255,170,0,0.16) 0%, transparent 60%);
}
.hero-grid-overlay {
    position: absolute; inset: 0; opacity: 0.04;
    background-image:
        linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-content { text-align: center; color: #fff; position: relative; z-index: 2; padding: 40px 0; }
.hero-badge {
    display: inline-block; padding: 8px 20px; border-radius: 50px;
    background: rgba(255,102,0,0.18); border: 1px solid rgba(255,102,0,0.45);
    color: var(--accent); font-size: 0.85rem; font-weight: 600;
    margin-bottom: 24px; letter-spacing: 0.5px;
}
.hero-title { font-size: 3.5rem; font-weight: 800; margin-bottom: 20px; color: #fff; line-height: 1.15; }
.text-gradient {
    background: linear-gradient(135deg, #ff8800 0%, #ff6600 45%, #ffcc00 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 1.15rem; max-width: 680px; margin: 0 auto 36px;
    color: rgba(255,255,255,0.8); font-weight: 400; line-height: 1.7;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; margin-bottom: 56px; flex-wrap: wrap; }
.hero-stats {
    display: inline-flex; gap: 48px; background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1); padding: 28px 48px;
    border-radius: 16px; backdrop-filter: blur(10px); flex-wrap: wrap; justify-content: center;
}
.stat-item { display: flex; flex-direction: column; align-items: center; min-width: 80px; }
.stat-number { font-size: 2.2rem; font-weight: 800; color: #fff; font-family: var(--font-heading); }
.stat-suffix { font-size: 2.2rem; font-weight: 800; color: var(--accent); font-family: var(--font-heading); }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.scroll-indicator {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.5); font-size: 0.75rem; letter-spacing: 2px; text-transform: uppercase; z-index: 2;
}
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent); animation: scrollPulse 2s infinite; }
@keyframes scrollPulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ===================================
   Section Headers
   =================================== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    color: var(--accent); text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 10px;
}
.section-title { font-size: 2.5rem; margin-bottom: 16px; }
.section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 580px; margin: 0 auto; }

/* ===================================
   Features Strip
   =================================== */
.features { background: var(--bg-alt); padding: 60px 0; position: relative; z-index: 2; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
    background: var(--bg); padding: 32px 24px; border-radius: var(--radius);
    text-align: center; transition: var(--transition); border: 1px solid var(--border);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.feature-icon {
    width: 60px; height: 60px; border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,102,0,0.15), rgba(255,102,0,0.05));
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px; font-size: 1.5rem; color: var(--accent);
}
.feature-card:hover .feature-icon { background: var(--accent); color: #fff; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===================================
   Products
   =================================== */
.products { background: var(--bg); }
.product-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.tab-btn {
    padding: 10px 28px; background: transparent; border: 2px solid var(--border);
    border-radius: 50px; font-weight: 600; color: var(--text-secondary);
    cursor: pointer; transition: var(--transition); font-size: 0.9rem;
}
.tab-btn.active, .tab-btn:hover {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 4px 14px var(--accent-glow);
}
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.4s ease-out; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.product-card {
    background: var(--bg); border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--border); transition: var(--transition);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: transparent; }
.product-image {
    position: relative; height: 240px; overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-image img { transform: scale(1.05); }
.product-badge {
    position: absolute; top: 14px; right: 14px; z-index: 2;
    background: var(--accent); color: #fff; padding: 5px 14px;
    border-radius: 50px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.3px;
}
.product-badge.best-seller { background: var(--gold); color: var(--primary); }
.product-info { padding: 24px; }
.product-info h3 { font-size: 1.25rem; margin-bottom: 10px; }
.product-specs { display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.product-specs span { display: flex; align-items: center; gap: 5px; color: var(--text-light); font-size: 0.82rem; background: var(--bg-alt); padding: 4px 10px; border-radius: 6px; }
.product-specs i { color: var(--accent); font-size: 0.8rem; }
.product-description { color: var(--text-secondary); margin-bottom: 18px; font-size: 0.92rem; line-height: 1.6; }
.product-footer { display: flex; gap: 10px; }
.product-footer .btn { flex: 1; justify-content: center; }

/* ===================================
   Brand Section Dividers (Controllers)
   =================================== */
.brand-section { margin-bottom: 48px; }
.brand-section:last-child { margin-bottom: 0; }
.brand-header {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 20px; border-radius: var(--radius);
    margin-bottom: 24px; font-size: 0.9rem; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
}
.brand-header i { font-size: 1rem; }
.brand-colorlight {
    background: linear-gradient(135deg, rgba(255,102,0,0.10), rgba(255,102,0,0.04));
    border-left: 4px solid var(--accent); color: var(--accent);
}
.brand-huidu {
    background: linear-gradient(135deg, rgba(37,99,235,0.10), rgba(37,99,235,0.04));
    border-left: 4px solid #2563eb; color: #2563eb;
}
.brand-onbon {
    background: linear-gradient(135deg, rgba(124,58,237,0.10), rgba(124,58,237,0.04));
    border-left: 4px solid #7c3aed; color: #7c3aed;
}
.badge-huidu { background: #2563eb !important; }
.badge-onbon { background: #7c3aed !important; }

/* ===================================
   Specifications
   =================================== */
.specifications { background: var(--bg-alt); }
.specs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.spec-card {
    background: var(--bg); padding: 32px; border-radius: var(--radius-lg);
    border: 1px solid var(--border); transition: var(--transition);
}
.spec-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.spec-card.highlight {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff; border-color: transparent;
}
.spec-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--border); }
.spec-card.highlight .spec-header { border-bottom-color: rgba(255,255,255,0.2); }
.spec-header h3 { font-size: 1.3rem; }
.spec-card.highlight .spec-header h3 { color: #fff; }
.spec-tag {
    padding: 4px 12px; border-radius: 50px; font-size: 0.72rem; font-weight: 700;
    background: rgba(255,102,0,0.12); color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px;
}
.spec-card.highlight .spec-tag { background: rgba(255,255,255,0.2); color: #fff; }
.spec-list li {
    display: flex; justify-content: space-between; padding: 10px 0;
    border-bottom: 1px solid var(--border); font-size: 0.92rem;
}
.spec-card.highlight .spec-list li { border-bottom-color: rgba(255,255,255,0.15); }
.spec-list li:last-child { border-bottom: none; }
.spec-list li strong { color: var(--text-secondary); font-weight: 500; }
.spec-card.highlight .spec-list li strong { color: rgba(255,255,255,0.8); }
.spec-card.highlight .spec-list li span { color: #fff; font-weight: 600; }

/* ===================================
   Product Videos
   =================================== */
.product-videos { background: var(--bg-alt); }
.videos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(460px, 1fr)); gap: 36px; }
.video-card {
    border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--border); transition: var(--transition);
    background: var(--bg);
}
.video-card:hover { box-shadow: var(--shadow-xl); border-color: var(--accent); transform: translateY(-4px); }
.video-wrapper {
    position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;
}
.video-wrapper iframe {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;
}
.video-info { padding: 24px; }
.video-info h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--text); }
.video-info p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }

/* ===================================
   P4 Video Wall Gallery
   =================================== */
.p4-gallery { background: var(--bg); }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 36px;
}
.gallery-item {
    position: relative; border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--border); transition: var(--transition);
    aspect-ratio: 1; background: var(--primary);
}
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--shadow-xl); border-color: var(--accent); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; display: block; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
    color: #fff; padding: 20px 12px 10px;
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.3px;
    transform: translateY(100%); transition: var(--transition);
}
.gallery-item:hover .gallery-caption { transform: translateY(0); }
.gallery-cta {
    text-align: center; padding: 28px; border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--bg-alt) 0%, rgba(255,102,0,0.06) 100%);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.gallery-cta p { color: var(--text-secondary); font-size: 0.9rem; flex: 1; text-align: left; }
@media (max-width: 768px) {
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
    .gallery-cta { flex-direction: column; text-align: center; }
    .gallery-cta p { text-align: center; }
}

/* ===================================
   Solutions
   =================================== */
.solutions { background: var(--bg); }
.solutions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.solution-card {
    background: var(--bg); padding: 36px 28px; border-radius: var(--radius-lg);
    border: 1px solid var(--border); transition: var(--transition);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.solution-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,102,0,0.15), rgba(255,102,0,0.05));
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px; font-size: 1.5rem; color: var(--accent); transition: var(--transition);
}
.solution-card:hover .solution-icon { background: var(--accent); color: #fff; }
.solution-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.solution-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }

/* ===================================
   About
   =================================== */
.about { background: var(--bg-alt); }
.about-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content h2 { font-size: 2.1rem; margin-bottom: 16px; }
.about-lead { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.7; }
.about-text { color: var(--text-secondary); margin-bottom: 32px; line-height: 1.8; }
.about-features { display: flex; flex-direction: column; gap: 18px; }
.about-feature { display: flex; gap: 14px; align-items: flex-start; }
.about-feature > i { font-size: 1.3rem; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.about-feature h4 { font-size: 1rem; margin-bottom: 2px; }
.about-feature p { color: var(--text-secondary); font-size: 0.9rem; }
.about-image {
    border-radius: var(--radius-lg); overflow: hidden; height: 480px;
    box-shadow: var(--shadow-lg); position: relative;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }

/* ===================================
   Locations
   =================================== */
.locations { background: var(--bg); }
.locations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.location-card {
    background: var(--bg); padding: 36px 28px; border-radius: var(--radius-lg);
    border: 1px solid var(--border); text-align: center; transition: var(--transition);
}
.location-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.location-icon {
    width: 64px; height: 64px; border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,102,0,0.15), rgba(255,102,0,0.05));
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px; font-size: 1.6rem; color: var(--accent);
}
.location-card:hover .location-icon { background: var(--accent); color: #fff; }
.location-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.location-area { display: flex; align-items: center; gap: 6px; color: var(--accent) !important; font-weight: 600; font-size: 0.88rem !important; margin-bottom: 8px !important; }
.location-area i { font-size: 0.78rem; }
.location-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; line-height: 1.6; }
.location-phone {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--accent); font-weight: 600; font-size: 0.92rem; transition: var(--transition);
}
.location-phone:hover { color: var(--accent-dark); }

/* ===================================
   CTA Banner
   =================================== */
.cta-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1a0800 40%, #1a0500 60%, #0f172a 100%);
    padding: 80px 0; position: relative; overflow: hidden;
}
.cta-banner::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 50% 80% at 70% 50%, rgba(255,102,0,0.18), transparent);
}
.cta-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 40px; position: relative; z-index: 1; flex-wrap: wrap;
}
.cta-text h2 { font-size: 2rem; color: #fff; margin-bottom: 10px; }
.cta-text p { color: rgba(255,255,255,0.7); font-size: 1.05rem; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===================================
   Contact
   =================================== */
.contact { background: var(--bg-alt); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-details { display: flex; flex-direction: column; gap: 24px; margin-bottom: 32px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: linear-gradient(135deg, rgba(255,102,0,0.15), rgba(255,102,0,0.05));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem; color: var(--accent); flex-shrink: 0;
}
.contact-item h4 { font-size: 0.95rem; margin-bottom: 2px; }
.contact-item p { color: var(--text-secondary); font-size: 0.92rem; }
.contact-item a { color: var(--text-secondary); transition: var(--transition); }
.contact-item a:hover { color: var(--accent); }

.social-links { display: flex; gap: 12px; }
.social-links a {
    width: 42px; height: 42px; border-radius: 10px;
    background: linear-gradient(135deg, rgba(255,102,0,0.15), rgba(255,102,0,0.05));
    display: flex; align-items: center; justify-content: center;
    color: var(--accent); transition: var(--transition); font-size: 1rem;
}
.social-links a:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }

.contact-form-wrapper {
    background: var(--bg); padding: 36px; border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md); border: 1px solid var(--border);
}
.contact-form-wrapper h3 { font-size: 1.3rem; margin-bottom: 24px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-weight: 600; font-size: 0.88rem; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 10px;
    font-family: inherit; font-size: 0.95rem; transition: var(--transition);
    background: var(--bg-alt);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg);
}
.form-group textarea { resize: vertical; min-height: 90px; }

/* ===================================
   Footer
   =================================== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 60px 0 24px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { padding-right: 20px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo i { color: var(--accent); }
.footer-brand .logo-brand { color: var(--accent); }
.footer-brand .logo-brand strong { color: #fff; }
.footer-brand .logo-tagline { color: rgba(255,255,255,0.5); }
.footer-brand > p { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 38px; height: 38px; border-radius: 8px;
    background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.6); transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #fff; }
.footer-section h4 { color: #fff; margin-bottom: 18px; font-size: 1.05rem; }
.footer-section ul li { margin-bottom: 10px; }
.footer-section ul li a { color: rgba(255,255,255,0.6); transition: var(--transition); font-size: 0.9rem; }
.footer-section ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact-list li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-contact-list li i { color: var(--accent); font-size: 0.85rem; width: 16px; }
.footer-contact-list li a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-contact-list li a:hover { color: var(--accent); }
.footer-bottom {
    padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { color: rgba(255,255,255,0.5); font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: rgba(255,255,255,0.5); font-size: 0.85rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }

/* ===================================
   WhatsApp Float
   =================================== */
.whatsapp-float {
    position: fixed; bottom: 24px; right: 24px; z-index: 999;
    width: 56px; height: 56px; border-radius: 50%;
    background: #25d366; color: #fff; font-size: 1.6rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: var(--transition); animation: whatsappPulse 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }
@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 4px 28px rgba(37,211,102,0.6); }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .section-title { font-size: 2rem; }
    .hero-title { font-size: 2.75rem; }
    .about-wrapper, .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 30px; }
    .locations-grid { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-actions { justify-content: center; }
}

@media (max-width: 768px) {
    section { padding: 64px 0; }
    .top-bar-left { display: none; }
    .top-bar-right { width: 100%; justify-content: space-between; }
    .nav-menu {
        position: fixed; left: -100%; top: 0; width: 280px; height: 100vh;
        flex-direction: column; background: var(--bg); padding: 80px 30px 30px;
        box-shadow: var(--shadow-xl); transition: var(--transition); gap: 8px; z-index: 999;
    }
    .nav-menu.active { left: 0; }
    .nav-link { font-size: 1.05rem; padding: 10px 0; }
    .hamburger { display: flex; z-index: 1001; }
    .cta-button { display: none; }
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 280px; justify-content: center; }
    .hero-stats { gap: 24px; padding: 20px 24px; flex-wrap: wrap; }
    .stat-number, .stat-suffix { font-size: 1.8rem; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .products-grid, .solutions-grid, .specs-grid { grid-template-columns: 1fr; }
    .videos-grid { grid-template-columns: 1fr; }
    .locations-grid { grid-template-columns: 1fr; }
    .product-tabs { flex-direction: column; align-items: stretch; }
    .form-row { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.8rem; }
    .section-title { font-size: 1.75rem; }
    .hero-stats { gap: 16px; }
    .features-grid { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 24px 18px; }
}