/* ========================================
   BONY POLYMERS — PREMIUM DESIGN SYSTEM
   Light Default + Dark Mode Toggle
   ======================================== */

/* ===== LIGHT THEME (Default) ===== */
:root {
  --primary: #C8322E;
  --primary-light: #E03B37;
  --primary-dark: #A8201C;
  --gradient: linear-gradient(135deg, #C8322E 0%, #E05550 100%);

  --bg-body: #FFFFFF;
  --bg-light: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-nav: rgba(255,255,255,0.97);
  --bg-nav-scrolled: rgba(255,255,255,0.99);
  --bg-hero: #FFFFFF;
  --bg-dark-section: #FFFFFF;
  --bg-footer: #0A1628;

  --text-primary: #0D1B2E;
  --text-secondary: #4A5568;
  --text-light: #718096;
  --text-muted: #A0AEC0;

  --border: #E2E8F0;
  --border-light: #F0F4F8;

  --nav-link: #2D3748;
  --nav-link-hover: #0A1628;
  --nav-bg-hover: rgba(10,22,40,0.06);

  --card-bg: #FFFFFF;
  --card-border: #E2E8F0;
  --card-shadow: 0 2px 12px rgba(10,22,40,0.07);
  --card-shadow-hover: 0 12px 40px rgba(10,22,40,0.14);

  --shadow-sm: 0 2px 8px rgba(10,22,40,0.07);
  --shadow-md: 0 8px 30px rgba(10,22,40,0.10);
  --shadow-lg: 0 20px 60px rgba(10,22,40,0.15);
  --shadow-glow: 0 0 40px rgba(200,50,46,0.25);

  --quality-bg: linear-gradient(135deg, #0A1628 0%, #1A3A6B 100%);
  --social-card-bg: #0A1628;
  --social-card-border: rgba(255,255,255,0.06);

  --scrollbar-track: #E2E8F0;

  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --bg-body: #0D1117;
  --bg-light: #161B22;
  --bg-card: #1C2333;
  --bg-nav: rgba(13,17,23,0.95);
  --bg-nav-scrolled: rgba(13,17,23,0.98);
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;
  --text-light: #6E7681;
  --text-muted: #484F58;

  --border: #30363D;
  --border-light: #21262D;

  --nav-link: #CDD9E5;
  --nav-link-hover: #FFFFFF;
  --nav-bg-hover: rgba(255,255,255,0.06);

  --card-bg: #1C2333;
  --card-border: #30363D;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 12px 40px rgba(0,0,0,0.5);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);

  --quality-bg: linear-gradient(135deg, #0D1117 0%, #1C2333 100%);
  --social-card-bg: #1C2333;
  --social-card-border: rgba(255,255,255,0.06);

  --scrollbar-track: #161B22;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background: var(--bg-body);
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; background: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
::selection { background: var(--primary); color: white; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 2rem; }

/* ===== PRELOADER ===== */
#preloader {
  position: fixed; inset: 0; background: #0A1628;
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-logo { width: 160px; margin: 0 auto 2rem; object-fit: contain; animation: pulselogo 1.5s ease infinite; }
@keyframes pulselogo { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.7;transform:scale(0.97)} }
.preloader-bar { width: 200px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
.preloader-fill { height: 100%; background: var(--gradient); border-radius: 2px; animation: loadfill 2s ease forwards; }
@keyframes loadfill { 0%{width:0} 100%{width:100%} }

/* ===== UTILITY ===== */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header.light .section-title { color: white; }
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--primary); background: rgba(200,50,46,0.1);
  padding: 0.4rem 1rem; border-radius: 50px; margin-bottom: 1rem;
  border: 1px solid rgba(200,50,46,0.25);
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.2;
  margin-bottom: 1rem; font-family: 'Rajdhani', sans-serif; color: var(--text-primary);
}
.section-sub { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--gradient); color: white;
  padding: 0.85rem 2rem; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); box-shadow: 0 4px 20px rgba(200,50,46,0.35);
  border: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,50,46,0.5); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 2px solid rgba(255,255,255,0.3); color: white;
  padding: 0.85rem 2rem; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem; transition: var(--transition);
  backdrop-filter: blur(10px);
}
.btn-outline:hover { border-color: white; background: rgba(255,255,255,0.1); }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  width: 52px; height: 28px; border-radius: 50px;
  background: var(--border); border: 2px solid var(--border);
  position: relative; cursor: pointer; transition: var(--transition);
  flex-shrink: 0;
}
.theme-toggle.dark { background: rgba(200,50,46,0.3); border-color: var(--primary); }
.theme-toggle-thumb {
  position: absolute; top: 2px; left: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: white; transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: var(--primary); box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.theme-toggle.dark .theme-toggle-thumb {
  transform: translateX(24px);
  background: var(--primary);
  color: white;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 0; transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: var(--bg-nav-scrolled);
  backdrop-filter: blur(20px);
  padding: 0.6rem 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
  border-bottom: 1px solid var(--border);
}
.navbar.scrolled .nav-links > li > a { color: var(--nav-link); }
.nav-container {
  max-width: 1240px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav-logo img { height: 46px; transition: var(--transition); object-fit: contain; }
.navbar.scrolled .nav-logo img { height: 40px; }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.nav-links { display: flex; align-items: center; gap: 0.1rem; }
.nav-links > li > a {
  color: rgba(255,255,255,0.9); font-size: 0.88rem; font-weight: 500;
  padding: 0.45rem 0.85rem; border-radius: var(--radius-sm);
  transition: var(--transition); display: flex; align-items: center; gap: 0.3rem;
}
.navbar.scrolled .nav-links > li > a { color: var(--nav-link); }
.nav-links > li > a:hover { color: var(--primary); background: var(--nav-bg-hover); }
.nav-links > li > a .fa { font-size: 0.6rem; transition: var(--transition); }
.dropdown { position: relative; }
.dropdown:hover > a .fa { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute; top: calc(100% + 0.75rem); left: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.5rem; min-width: 220px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: var(--transition); box-shadow: var(--shadow-lg);
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a {
  display: block; color: var(--text-secondary); font-size: 0.875rem;
  padding: 0.6rem 1rem; border-radius: var(--radius-sm); transition: var(--transition);
}
.dropdown-menu li a:hover { color: var(--primary); background: rgba(200,50,46,0.08); padding-left: 1.3rem; }
.nav-cta {
  background: var(--gradient) !important; color: white !important;
  padding: 0.55rem 1.3rem !important; border-radius: 50px !important;
  box-shadow: 0 4px 15px rgba(200,50,46,0.35) !important; font-size: 0.875rem !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; z-index: 10; }
.hamburger span { width: 24px; height: 2px; border-radius: 2px; transition: var(--transition); display: block; background: var(--text-primary); }
[data-theme="dark"] .hamburger span { background: white; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; position: relative; overflow: hidden;
  background: var(--bg-hero);
  display: flex; align-items: center; justify-content: flex-start;
  transition: background 0.4s ease;
}

/* Video background */
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

/* Dark overlay over video — always dark regardless of theme */
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(10, 22, 40, 0.65) 0%,
    rgba(10, 22, 40, 0.55) 60%,
    rgba(10, 22, 40, 0.80) 100%
  );
}

/* Light mode — slightly lighter overlay */
:root:not([data-theme="dark"]) .hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(10, 22, 40, 0.55) 0%,
    rgba(10, 22, 40, 0.45) 60%,
    rgba(10, 22, 40, 0.70) 100%
  );
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute; inset: 0; z-index: 2;
  background-image:
    linear-gradient(rgba(200,50,46,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,50,46,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}
.hero-bg::before {
  content: ''; position: absolute; z-index: 2;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,50,46,0.06) 0%, transparent 70%);
  top: -200px; right: -200px;
  pointer-events: none;
}
.hero-bg::after {
  content: ''; position: absolute; z-index: 2;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,50,46,0.04) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  pointer-events: none;
}
[data-theme="dark"] .hero-grid {
  background-image:
    linear-gradient(rgba(200,50,46,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,50,46,0.05) 1px, transparent 1px);
}
[data-theme="dark"] .hero-bg::before {
  background: radial-gradient(circle, rgba(200,50,46,0.13) 0%, transparent 70%);
}
[data-theme="dark"] .hero-bg::after {
  background: radial-gradient(circle, rgba(26,58,107,0.35) 0%, transparent 70%);
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; z-index: 2; pointer-events: none; }
.hero-content {
  position: relative; z-index: 3; text-align: left;
  padding: 8rem 2rem 5rem; max-width: 750px;
  margin-left: 6%;
  animation: fadeUp 1s ease forwards;
}
@keyframes fadeUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(200,50,46,0.2); border: 1px solid rgba(200,50,46,0.4);
  color: #FF8080; padding: 0.5rem 1.2rem; border-radius: 50px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.05em; margin-bottom: 2rem;
}
.hero-badge span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 800; }
.hero-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 900;
  color: #ffffff;
  line-height: 1.05; margin-bottom: 1.5rem; letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.75);
  line-height: 1.7; margin-bottom: 2.5rem; max-width: 580px;
}
.hero-btns { display: flex; align-items: center; justify-content: flex-start; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats {
  display: inline-flex; align-items: center;
  background: rgba(0,0,0,0.45); border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(14px);
  border-radius: var(--radius); padding: 1rem 1.5rem;
  flex-wrap: nowrap; gap: 0;
}
.stat-item { text-align: center; padding: 0.4rem 1.5rem; }
.stat-num { font-family: 'Rajdhani', sans-serif; font-size: 2.2rem; font-weight: 800; color: white; }
.stat-num + span { font-size: 1.3rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { display: block; font-size: 0.65rem; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.25rem; white-space: nowrap; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); flex-shrink: 0; }
.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 3; }
.scroll-indicator { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: rgba(255,255,255,0.45); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent); animation: scrolldown 1.5s ease infinite; }
@keyframes scrolldown { 0%{opacity:1;transform:scaleY(1)} 100%{opacity:0;transform:scaleY(0) translateY(-20px)} }

/* ===== MARQUEE ===== */
.marquee-strip { background: var(--gradient); overflow: hidden; padding: 0.85rem 0; white-space: nowrap; }
.marquee-track { display: inline-block; animation: marquee 30s linear infinite; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: white; }
.marquee-track span { margin: 0 1rem; }
.marquee-track .dot { color: rgba(255,255,255,0.5); margin: 0 0.5rem; }
@keyframes marquee { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* ===== ABOUT ===== */
.about-section { padding: 7rem 0; background: var(--bg-body); transition: background 0.4s ease; }
[data-theme="dark"] .about-section { background: var(--bg-light); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-lead { font-size: 1.15rem; line-height: 1.8; color: var(--text-secondary); margin-bottom: 1.2rem; }
.about-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.polymer-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.polymer-tags span {
  background: rgba(200,50,46,0.08); color: var(--primary);
  border: 1px solid rgba(200,50,46,0.2);
  padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.78rem; font-weight: 600;
}
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.about-card {
  background: var(--card-bg); border-radius: var(--radius); padding: 1.8rem;
  border: 1px solid var(--card-border); transition: var(--transition); box-shadow: var(--card-shadow);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); border-color: rgba(200,50,46,0.2); }
.about-card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(200,50,46,0.1); display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 1.2rem; margin-bottom: 1rem; transition: var(--transition);
}
.about-card:hover .about-card-icon { background: var(--gradient); color: white; }
.about-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
.about-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== PRODUCTS ===== */
.products-section { padding: 7rem 0; background: var(--bg-body); transition: background 0.4s ease; }
.awards-section { padding: 7rem 0; background: var(--bg-body); transition: background 0.4s ease; }
[data-theme="dark"] .awards-section { background: var(--bg-light); }
.product-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: 3rem; }
.tab-btn {
  padding: 0.65rem 1.4rem; border-radius: 50px; font-size: 0.875rem; font-weight: 600;
  color: var(--text-secondary); border: 1.5px solid var(--border);
  background: var(--bg-card); transition: var(--transition);
}
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active { background: var(--gradient); color: white; border-color: transparent; box-shadow: 0 4px 20px rgba(200,50,46,0.3); }
.tab-content { display: none; animation: fadeUp 0.4s ease; }
.tab-content.active { display: block; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.product-card {
  background: #F5F6FA; border-radius: var(--radius); padding: 2rem;
  border: 1px solid var(--card-border); transition: var(--transition); position: relative; overflow: hidden;
}
[data-theme="dark"] .product-card { background: var(--bg-light); }
.product-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--gradient); transform: scaleX(0);
  transition: var(--transition); transform-origin: left;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--card-shadow-hover); border-color: rgba(200,50,46,0.15); }
.product-card:hover::before { transform: scaleX(1); }
.product-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: rgba(200,50,46,0.1); display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 1.3rem; margin-bottom: 1.2rem; transition: var(--transition);
}
.product-card:hover .product-icon { background: var(--gradient); color: white; transform: scale(1.05); }
.product-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
.product-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== QUALITY — always dark ===== */
.quality-section { padding: 7rem 0; position: relative; overflow: hidden; }
.quality-bg { position: absolute; inset: 0; background: var(--quality-bg); }
.quality-bg::after {
  content: ''; position: absolute; width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,50,46,0.1) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.quality-section .container { position: relative; z-index: 1; }
.quality-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; margin-bottom: 3rem; }
.quality-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 2.5rem 2rem; text-align: center;
  transition: var(--transition); position: relative; overflow: hidden; backdrop-filter: blur(10px);
}
.quality-card:hover { transform: translateY(-5px); border-color: rgba(200,50,46,0.4); background: rgba(255,255,255,0.08); }
.quality-card.featured { border-color: rgba(200,50,46,0.4); background: rgba(200,50,46,0.08); transform: translateY(-8px); }
.quality-badge { position: absolute; top: 1rem; right: 1rem; background: var(--gradient); color: white; font-size: 0.7rem; font-weight: 700; padding: 0.25rem 0.7rem; border-radius: 50px; }
.quality-icon { width: 70px; height: 70px; border-radius: 50%; background: rgba(200,50,46,0.15); margin: 0 auto 1.5rem; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: #E05550; border: 2px solid rgba(200,50,46,0.3); }
.quality-card h3 { font-size: 1.4rem; font-weight: 800; color: white; margin-bottom: 1rem; font-family: 'Rajdhani', sans-serif; }
.quality-card p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; }
.quality-text-center { text-align: center; color: rgba(255,255,255,0.65); font-size: 1rem; line-height: 1.8; max-width: 700px; margin: 0 auto; }
.quality-text-center strong { color: white; }

/* ===== AWARDS ===== */
.awards-section { padding: 7rem 0; background: var(--bg-light); transition: background 0.4s ease; }
.awards-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.award-card {
  background: var(--card-bg); border-radius: var(--radius); padding: 2.5rem 2rem;
  border: 1px solid var(--card-border); transition: var(--transition); box-shadow: var(--card-shadow);
}
.award-card:hover { transform: translateY(-5px); box-shadow: var(--card-shadow-hover); }
.award-card.featured-award { border-color: var(--primary); background: var(--card-bg); box-shadow: var(--shadow-glow); }
[data-theme="dark"] .award-card.featured-award { background: #0A1628; }
[data-theme="dark"] .award-card.featured-award h4 { color: white; }
[data-theme="dark"] .award-card.featured-award p { color: rgba(255,255,255,0.6); }
[data-theme="dark"] .award-card.featured-award .award-year { color: #E05550; }
[data-theme="dark"] .award-card.featured-award .award-icon { background: rgba(200,50,46,0.2); color: #E05550; }
.award-year { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.15em; color: var(--primary); text-transform: uppercase; margin-bottom: 1.2rem; }
.award-card.featured-award .award-year { color: var(--primary); }
.award-icon { width: 60px; height: 60px; border-radius: 50%; background: rgba(200,50,46,0.1); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--primary); margin-bottom: 1.2rem; }
.award-card.featured-award .award-icon { background: rgba(200,50,46,0.1); color: var(--primary); }
.award-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.8rem; color: var(--text-primary); }
.award-card.featured-award h4 { color: var(--text-primary); }
.award-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }
.award-card.featured-award p { color: var(--text-secondary); }

/* ===== SOCIAL OBLIGATION ===== */
.social-section { padding: 7rem 0; background: var(--bg-body); transition: background 0.4s ease; }
.social-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.social-text .section-title { text-align: left; margin-bottom: 1.5rem; }
.social-text p { color: var(--text-secondary); line-height: 1.8; }
.social-visual { display: flex; flex-direction: column; gap: 1.5rem; }
.imds-card, .env-card {
  background: var(--card-bg); border-radius: var(--radius); padding: 2rem;
  border: 1px solid var(--card-border); transition: var(--transition);
}
.imds-card:hover, .env-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.imds-icon, .env-icon { width: 50px; height: 50px; border-radius: var(--radius-sm); background: rgba(200,50,46,0.1); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.3rem; margin-bottom: 1rem; }
.imds-card h3, .env-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.4rem; }
.imds-card p, .env-card p { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 1rem; }
.imds-partners { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.imds-partners span { background: rgba(200,50,46,0.08); color: var(--primary); border: 1px solid rgba(200,50,46,0.15); padding: 0.25rem 0.7rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }

/* Dark mode override for social cards */
[data-theme="dark"] .imds-card,
[data-theme="dark"] .env-card {
  background: #1C2333; border-color: rgba(255,255,255,0.06);
}
[data-theme="dark"] .imds-card h3,
[data-theme="dark"] .env-card h3 { color: white; }
[data-theme="dark"] .imds-card p,
[data-theme="dark"] .env-card p { color: rgba(255,255,255,0.5); }
[data-theme="dark"] .imds-partners span { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.7); border-color: transparent; }
[data-theme="dark"] .imds-icon,
[data-theme="dark"] .env-icon { background: rgba(200,50,46,0.15); color: #E05550; }

/* ===== CONTACT ===== */
.contact-section { padding: 7rem 0; background: var(--bg-body); transition: background 0.4s ease; }
[data-theme="dark"] .contact-section { background: var(--bg-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item { display: flex; gap: 1.2rem; align-items: flex-start; }
.contact-icon { width: 48px; height: 48px; flex-shrink: 0; border-radius: var(--radius-sm); background: rgba(200,50,46,0.1); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.1rem; }
.contact-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; color: var(--text-primary); }
.contact-item p { font-size: 0.875rem; color: var(--text-secondary); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 0.9rem 1.2rem;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.9rem;
  font-family: 'Inter', sans-serif; color: var(--text-primary);
  transition: var(--transition); outline: none;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(200,50,46,0.1); }
.contact-form textarea { resize: vertical; }
.contact-form .btn-primary { align-self: flex-start; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-footer); }
.footer-top { padding: 5rem 0 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-logo { height: 52px; margin-bottom: 1.2rem; object-fit: contain; }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.7; margin-bottom: 1.5rem; }
.footer-certs { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-certs span { background: rgba(200,50,46,0.1); color: #E05550; border: 1px solid rgba(200,50,46,0.2); padding: 0.25rem 0.75rem; border-radius: 4px; font-size: 0.72rem; font-weight: 600; }
.footer-links h4 { font-size: 0.85rem; font-weight: 700; color: white; margin-bottom: 1.2rem; text-transform: uppercase; letter-spacing: 0.1em; }
.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links ul a { font-size: 0.875rem; color: rgba(255,255,255,0.45); transition: var(--transition); }
.footer-links ul a:hover { color: #E05550; padding-left: 4px; }
.footer-bottom { padding: 1.5rem 0; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); text-align: center; }
.footer-bottom a { color: #E05550; }
.footer-bottom a:hover { color: white; }

/* ===== PARTICLES ===== */
.particle { position: absolute; border-radius: 50%; background: rgba(200,50,46,0.15); animation: floatParticle linear infinite; pointer-events: none; }
@keyframes floatParticle { 0%{transform:translateY(100vh) scale(0);opacity:0} 10%{opacity:1} 90%{opacity:1} 100%{transform:translateY(-100px) scale(1);opacity:0} }

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .quality-grid, .awards-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .social-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; flex-direction: column; position: fixed;
    top: 0; right: 0; bottom: 0; width: 280px;
    background: var(--bg-card); padding: 5rem 1.5rem 2rem;
    gap: 0; overflow-y: auto; transform: translateX(100%);
    transition: var(--transition); box-shadow: var(--shadow-lg);
    border-left: 1px solid var(--border);
  }
  .nav-links.open { display: flex; transform: translateX(0); }
  .nav-links > li > a { padding: 0.85rem 0; border-bottom: 1px solid var(--border); border-radius: 0; color: var(--text-primary) !important; }
  .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: transparent; border: none; display: none; padding-left: 1rem; }
  .dropdown.open .dropdown-menu { display: block; }
  .hamburger { display: flex; }
  .stat-divider { display: none; }
  .quality-grid { grid-template-columns: 1fr; }
  .quality-card.featured { transform: none; }
  .awards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .about-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 2.5rem; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-content { margin-left: 0; padding: 6rem 1.5rem 3rem; }
  .products-grid, .about-cards { grid-template-columns: 1fr; }
  .stat-item { padding: 0.5rem 1rem; }
}

/* ========================================
   VEHICLE EXPLORER SECTION
   ======================================== */
.vehicle-section { padding: 7rem 0 4rem; background: var(--bg-body); transition: background 0.4s ease; }
[data-theme="dark"] .vehicle-section { background: var(--bg-light); }

.vex-wrapper {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  gap: 0;
  min-height: 540px;
  max-width: 1300px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

/* ===== SIDEBAR ===== */
.vex-sidebar {
  background: #0F1E35;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.vex-search {
  display: flex; align-items: center; gap: 0.6rem;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 0.55rem 0.9rem;
}
.vex-search i { color: rgba(255,255,255,0.4); font-size: 0.8rem; }
.vex-search input {
  background: none; border: none; outline: none;
  color: white; font-size: 0.82rem; font-family: 'Inter', sans-serif;
  width: 100%;
}
.vex-search input::placeholder { color: rgba(255,255,255,0.35); }

.vex-vehicle-list { display: flex; flex-direction: column; gap: 0.4rem; }

.vex-vehicle-item {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.85rem 1rem; border-radius: 10px;
  cursor: pointer; transition: var(--transition);
  color: rgba(255,255,255,0.65); font-size: 0.875rem; font-weight: 500;
  position: relative; border: 1px solid transparent;
}
.vex-vehicle-item:hover { background: rgba(255,255,255,0.07); color: white; }
.vex-vehicle-item.active {
  background: rgba(200,50,46,0.2);
  color: white;
  border-color: rgba(200,50,46,0.4);
}
.vex-vehicle-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
  transition: var(--transition);
}
.vex-vehicle-item.active .vex-vehicle-icon { background: var(--primary); color: white; }
.vex-arrow { margin-left: auto; font-size: 0.65rem; opacity: 0.4; }
.vex-vehicle-item.active .vex-arrow { opacity: 1; color: #E05550; }

/* ===== VIEWER ===== */
.vex-viewer-wrap {
  position: relative;
  background: #0F1E35;
  display: flex; flex-direction: column;
}

.vex-canvas-container {
  position: relative; flex: 1; min-height: 480px; height: 480px;
  background: radial-gradient(ellipse at center, rgba(200,50,46,0.07) 0%, transparent 70%);
}
#threeCanvas { width: 100% !important; height: 480px !important; display: block; cursor: grab; }
#threeCanvas:active { cursor: grabbing; }

#hotspotsLayer {
  position: absolute; inset: 0; pointer-events: none;
}
.hotspot {
  position: absolute; pointer-events: all; cursor: pointer;
  transform: translate(-50%, -50%);
  z-index: 10;
}
.hotspot-ring {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(200,50,46,0.9);
  border: 2px solid white;
  box-shadow: 0 0 0 0 rgba(200,50,46,0.5);
  animation: hotspotPulse 2s ease infinite;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.hotspot:hover .hotspot-ring { transform: scale(1.25); }
.hotspot-ring i { color: white; font-size: 0.7rem; pointer-events: none; }

/* Active state */
.hotspot.active .hotspot-ring {
  background: white;
  border-color: #C8322E;
  box-shadow: 0 0 0 3px rgba(200,50,46,0.35);
  animation: none;
  transform: scale(1.2);
}
.hotspot.active .hotspot-ring i { color: #C8322E; }
@keyframes hotspotPulse {
  0%   { box-shadow: 0 0 0 0 rgba(200,50,46,0.6); }
  70%  { box-shadow: 0 0 0 10px rgba(200,50,46,0); }
  100% { box-shadow: 0 0 0 0 rgba(200,50,46,0); }
}
.hotspot-label {
  position: absolute; left: 36px; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.75); color: white;
  font-size: 0.72rem; font-weight: 600; white-space: nowrap;
  padding: 0.3rem 0.7rem; border-radius: 6px;
  backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.1);
  opacity: 0; transition: opacity 0.2s ease; pointer-events: none;
}
.hotspot:hover .hotspot-label { opacity: 1; }

.vex-loading {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; background: #0F1E35;
  transition: opacity 0.4s ease;
  z-index: 20;
}
.vex-loading.hidden { opacity: 0; pointer-events: none; }
.vex-spinner {
  width: 40px; height: 40px; border-radius: 50%;
  border: 3px solid rgba(200,50,46,0.2);
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.vex-loading span { color: rgba(255,255,255,0.5); font-size: 0.82rem; }

.vex-hint {
  text-align: center; padding: 0.7rem 1rem;
  font-size: 0.75rem; color: rgba(255,255,255,0.35);
  border-top: 1px solid rgba(255,255,255,0.05);
  letter-spacing: 0.03em;
}
.vex-hint i { color: var(--primary); margin-right: 0.2rem; }

.vex-vehicle-label {
  position: absolute; top: 1rem; left: 1rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.3rem 0.8rem; border-radius: 50px;
  backdrop-filter: blur(8px); background: rgba(255,255,255,0.04);
}

/* ===== INFO PANEL ===== */
.vex-info-panel {
  background: var(--bg-card); border-left: 1px solid var(--border);
  padding: 1.5rem;
  display: flex; flex-direction: column; justify-content: flex-start;
  transition: background 0.4s ease;
}
.vex-info-default {
  text-align: center; display: flex; flex-direction: column;
  align-items: center; gap: 1rem;
}
.vex-info-icon {
  width: 60px; height: 60px; border-radius: 50%;
  background: rgba(200,50,46,0.1); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; color: var(--primary);
  animation: hotspotPulse 2.5s ease infinite;
}
.vex-info-default p {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
}
.vex-info-default span { color: var(--primary); font-weight: 600; }

.vex-info-detail { position: relative; }
.vex-info-detail.hidden { display: none; }

/* Product image */
.vex-detail-img-wrap {
  width: 100%; border-radius: 10px; overflow: hidden;
  margin-bottom: 1rem; border: 1px solid var(--border);
  background: var(--bg-light);
  aspect-ratio: 4/3;
}
.vex-detail-img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.vex-detail-img-wrap:hover .vex-detail-img { transform: scale(1.04); }
.vex-close {
  position: absolute; top: 0; right: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--bg-light); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; color: var(--text-secondary);
  transition: var(--transition); cursor: pointer;
}
.vex-close:hover { background: var(--primary); color: white; border-color: var(--primary); }
.vex-detail-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: rgba(200,50,46,0.1); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; color: var(--primary);
  margin-bottom: 1rem;
}
.vex-detail-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--primary); background: rgba(200,50,46,0.1);
  padding: 0.25rem 0.75rem; border-radius: 50px;
  border: 1px solid rgba(200,50,46,0.2); margin-bottom: 0.75rem;
}
.vex-info-detail h3 { font-size: 1.1rem; font-weight: 800; color: var(--text-primary); margin-bottom: 0.75rem; line-height: 1.3; }
.vex-info-detail p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.2rem; }
.vex-detail-location {
  display: flex; align-items: flex-start; gap: 0.6rem;
  background: var(--bg-light); border-radius: 8px; padding: 0.75rem 1rem;
  font-size: 0.82rem; color: var(--text-secondary); border: 1px solid var(--border);
}
.vex-detail-location i { color: var(--primary); margin-top: 2px; flex-shrink: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .vex-wrapper { grid-template-columns: 200px 1fr; }
  .vex-info-panel { display: none; }
}
@media (max-width: 640px) {
  .vex-wrapper { grid-template-columns: 1fr; grid-template-rows: auto 400px; border-radius: 12px; }
  .vex-sidebar { flex-direction: row; overflow-x: auto; padding: 1rem; gap: 0.5rem; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .vex-vehicle-list { flex-direction: row; flex-wrap: nowrap; }
  .vex-vehicle-item span { display: none; }
  .vex-vehicle-item { padding: 0.6rem; }
  .vex-search { display: none; }
}