/* ============================================
   HYDRO SUPPLY & CO. — PREMIUM WEBSITE
   Dark luxury aesthetic with gold/green accents
   ============================================ */

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

/* --- Design Tokens --- */
:root {
  --gold: #edb427;
  --gold-dark: #c4941f;
  --gold-light: #f5c842;
  --green-dark: #1a3506;
  --green-deep: #0f1f04;
  --green-mid: #254709;
  --green-light: #3a6b12;
  --orange: #edb427;
  --red: #d90000;
  --bg-base: #0a0a0a;
  --bg-dark: #0e0e0e;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --bg-darker: #111111;
  --border: #1e1e1e;
  --border-light: #2a2a2a;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --white: #ffffff;
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(237,180,39,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-light); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--text-primary); line-height: 1.2; font-weight: 700; }
strong { color: var(--text-primary); }
::selection { background: rgba(237,180,39,0.3); color: var(--white); }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* --- Utilities --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--gold), var(--green-light), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-link { color: var(--gold); border-bottom: 1px solid rgba(237,180,39,0.3); transition: var(--transition); }
.text-link:hover { border-bottom-color: var(--gold); }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.grid { display: grid; gap: 32px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-align-center { align-items: center; }
.btn-full { width: 100%; }

/* --- Preloader --- */
#preloader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--bg-base);
  display: flex; align-items: center; justify-content: center;
  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: 120px; margin: 0 auto 24px; animation: pulse 1.5s ease-in-out infinite; }
.preloader-bar { width: 200px; height: 3px; background: var(--border); border-radius: 3px; overflow: hidden; }
.preloader-progress { height: 100%; width: 0; background: linear-gradient(90deg, var(--gold), var(--orange)); border-radius: 3px; animation: preloaderFill 1.2s ease-out forwards; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  border: none; cursor: pointer; transition: var(--transition);
  text-align: center; justify-content: center;
  position: relative; overflow: hidden;
  letter-spacing: 0.2px;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--orange));
  color: #0a0a0a; font-weight: 700;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(237,180,39,0.35);
  color: #0a0a0a;
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: transparent; color: var(--gold);
  border: 2px solid var(--gold);
}
.btn-secondary:hover {
  background: rgba(237,180,39,0.1);
  transform: translateY(-2px);
  color: var(--gold);
}
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* --- Navbar --- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  background: #edb427;
  border-bottom: 1px solid rgba(37,71,9,0.15);
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 12px 0;
  background: #edb427;
  border-bottom-color: rgba(37,71,9,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1400px; margin: 0 auto; padding: 0 20px;
}
.navbar-logo { position: relative; flex-shrink: 0; }
.navbar-logo img { height: 80px; width: auto; transition: var(--transition); }
.navbar.scrolled .navbar-logo img { height: 60px; }
.navbar-menu {
  display: flex; gap: 1px; flex: 1; justify-content: center;
  white-space: nowrap; margin: 0 12px;
}
.nav-link {
  color: #254709; font-size: 11px; font-weight: 600;
  letter-spacing: 0.1px; position: relative; padding: 6px 6px;
  border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-link:hover {
  background: rgba(37,71,9,0.1);
}
.nav-link::before {
  content: attr(title);
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(4px);
  background: #254709; color: #fff; font-size: 11px; font-weight: 500;
  padding: 6px 12px; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 10;
}
.nav-link[title]:hover::before {
  opacity: 1; transform: translateX(-50%) translateY(0);
}
.nav-link::after {
  content: ''; position: absolute; bottom: 2px; left: 12px; right: 12px; width: auto; height: 2px;
  background: #254709;
  transition: var(--transition); border-radius: 2px;
  opacity: 0; transform: scaleX(0);
}
.nav-link:hover, .nav-link.active { color: #1a3506; }
.nav-link:hover::after, .nav-link.active::after { opacity: 1; transform: scaleX(1); }
.nav-link.active {
  color: #1a3506; font-weight: 700;
}
.navbar-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.navbar-actions .btn-sm { padding: 8px 16px; font-size: 12px; white-space: nowrap; background: #254709; color: #fff; border-color: #254709; }
.navbar-actions .btn-sm:hover { background: #1a3506; border-color: #1a3506; box-shadow: 0 4px 12px rgba(37,71,9,0.3); }

/* Hamburger */
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative; z-index: 1001;
}
.hamburger span {
  display: block; width: 100%; height: 2px; background: #254709;
  position: absolute; left: 0; transition: var(--transition);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.hamburger.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* --- Hero --- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: -10%; z-index: 0;
  will-change: transform;
}
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(37,71,9,0.6) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(237,180,39,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(37,71,9,0.5) 0%, transparent 50%),
    linear-gradient(
      180deg,
      rgba(15,31,4,0.7) 0%,
      rgba(37,71,9,0.65) 30%,
      rgba(15,31,4,0.8) 60%,
      var(--bg-base) 100%
    );
  animation: heroAurora 12s ease-in-out infinite alternate;
}
@keyframes heroAurora {
  0% { opacity: 1; }
  50% { opacity: 0.85; }
  100% { opacity: 1; }
}
.hero-particles {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, rgba(237,180,39,0.4), transparent),
    radial-gradient(1px 1px at 25% 55%, rgba(237,180,39,0.2), transparent),
    radial-gradient(1.5px 1.5px at 50% 15%, rgba(58,107,18,0.4), transparent),
    radial-gradient(1px 1px at 75% 40%, rgba(237,180,39,0.25), transparent),
    radial-gradient(1.5px 1.5px at 85% 70%, rgba(58,107,18,0.3), transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(237,180,39,0.25), transparent);
  animation: particleFloat 25s linear infinite;
  transform: translateZ(0.5px) scale(0.5);
  will-change: transform;
}
.hero-content { position: relative; z-index: 2; padding-top: 120px; max-width: 720px; }
.hero-badge {
  display: inline-block; padding: 8px 20px; border-radius: 100px;
  background: rgba(237,180,39,0.08); border: 1px solid rgba(237,180,39,0.2);
  color: var(--gold); font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(40px, 6vw, 72px); font-weight: 800;
  margin-bottom: 20px; letter-spacing: -0.5px;
}
.hero-subtitle { font-size: 20px; color: var(--text-secondary); margin-bottom: 40px; min-height: 30px; }
.typed-cursor { color: var(--gold); animation: blink 0.7s infinite; font-weight: 300; }
.hero-ctas { display: flex; gap: 16px; margin-bottom: 60px; flex-wrap: wrap; }
.hero-stats { display: flex; align-items: center; gap: 32px; }
.hero-stat { text-align: center; }
.hero-stat-number {
  font-family: var(--font-heading); font-size: 36px; font-weight: 800; color: var(--gold);
}
.hero-stat-suffix {
  font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--gold);
}
.hero-stat-label { display: block; font-size: 13px; color: var(--text-muted); margin-top: 4px; letter-spacing: 0.3px; }
.hero-stat-divider { width: 1px; height: 48px; background: var(--border-light); }
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
}
.hero-scroll:hover { color: var(--gold); }
.hero-scroll-line {
  width: 1px; height: 40px; background: var(--border-light);
  position: relative; overflow: hidden;
}
.hero-scroll-line::after {
  content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 50%;
  background: var(--gold); animation: scrollLine 2s ease-in-out infinite;
}

/* --- Sections --- */
.section { padding: 100px 0; position: relative; }
.section-dark { background: var(--bg-dark); }
.section-darker { background: var(--bg-base); }
.section-label {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--gold); margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; letter-spacing: -0.3px; }
.section-subtitle { font-size: 17px; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.7; }
.section-text { color: var(--text-secondary); font-size: 16px; margin-bottom: 16px; line-height: 1.8; }

/* --- About --- */
.about-content {}
.about-features { margin-top: 32px; display: flex; flex-direction: column; gap: 24px; }
.about-feature { display: flex; gap: 16px; align-items: flex-start; }
.about-feature-icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(237,180,39,0.08); border: 1px solid rgba(237,180,39,0.15);
  display: flex; align-items: center; justify-content: center;
}
.about-feature-icon svg { width: 22px; height: 22px; color: var(--gold); }
.about-feature strong { font-size: 15px; display: block; }
.about-feature p { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

.about-image { position: relative; }
.image-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.image-frame img { border-radius: var(--radius-lg); transition: var(--transition-slow); }
.image-frame:hover img { transform: scale(1.03); }
.image-frame-accent {
  position: absolute; bottom: -12px; right: -12px; width: 60%; height: 60%;
  border: 2px solid rgba(237,180,39,0.25); border-radius: var(--radius-lg);
  z-index: -1;
}

/* --- Glass Cards --- */
.glass-card {
  background: rgba(20,20,20,0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.glass-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: var(--transition);
}
.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(237,180,39,0.2);
  box-shadow: var(--shadow-glow);
}
.glass-card:hover::before { opacity: 1; }
.glass-card-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.glass-card-icon img { width: 32px; height: 32px; object-fit: contain; }
.glass-card-icon svg { width: 28px; height: 28px; }
.glass-card-icon--green { background: rgba(41,81,0,0.3); color: var(--green-light); }
.glass-card-icon--gold { background: rgba(237,180,39,0.12); }
.glass-card-icon--orange { background: rgba(237,180,39,0.12); }
.glass-card h3 { font-size: 20px; margin-bottom: 12px; }
.glass-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
.card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px; font-size: 14px; font-weight: 600; color: var(--gold);
}
.card-link span { display: inline-block; transition: var(--transition); }
.card-link:hover span { transform: translateX(6px); }

/* --- Solutions --- */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.solution-card:hover {
  border-color: rgba(237,180,39,0.25);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.solution-card--large { grid-column: span 2; }
.solution-card-inner { padding: 36px; }
.solution-number {
  font-family: var(--font-heading); font-size: 52px; font-weight: 800;
  background: linear-gradient(135deg, rgba(237,180,39,0.25), rgba(237,180,39,0.05));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 12px; line-height: 1;
}
.solution-card h3 { font-size: 22px; margin-bottom: 12px; }
.solution-card p { font-size: 15px; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.solution-tags li {
  padding: 6px 16px; border-radius: 100px; font-size: 12px; font-weight: 500;
  background: rgba(237,180,39,0.06); color: var(--gold);
  border: 1px solid rgba(237,180,39,0.12);
}

/* --- Stats --- */
.section-stats {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--green-deep) 0%, #0d1f02 40%, var(--bg-base) 100%);
  border-top: 1px solid rgba(41,81,0,0.3);
  border-bottom: 1px solid rgba(41,81,0,0.3);
  position: relative;
  overflow: hidden;
}
.section-stats::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(41,81,0,0.2), transparent 60%);
}
.stats-grid {
  display: flex; justify-content: space-around; text-align: center;
  flex-wrap: wrap; gap: 32px; position: relative; z-index: 1;
}
.stat-item { flex: 1; min-width: 150px; }
.stat-number {
  font-family: var(--font-heading); font-size: clamp(40px, 5vw, 60px);
  font-weight: 800; color: var(--gold); display: inline;
}
.stat-suffix {
  font-family: var(--font-heading); font-size: clamp(24px, 3vw, 36px);
  font-weight: 700; color: var(--gold);
}
.stat-label { font-size: 14px; color: var(--text-secondary); margin-top: 8px; letter-spacing: 0.3px; }

/* --- Brand Carousel --- */
.brand-carousel { overflow: hidden; position: relative; padding: 20px 0; }
.brand-carousel::before, .brand-carousel::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 150px; z-index: 2;
  pointer-events: none;
}
.brand-carousel::before { left: 0; background: linear-gradient(90deg, var(--bg-dark), transparent); }
.brand-carousel::after { right: 0; background: linear-gradient(90deg, transparent, var(--bg-dark)); }
.brand-track {
  display: flex; gap: 48px; animation: brandScroll 45s linear infinite; width: max-content;
  align-items: center;
}
.brand-track:hover { animation-play-state: paused; }
.brand-item {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  min-width: 140px; padding: 24px 16px; opacity: 0.5; transition: var(--transition);
}
.brand-item:hover { opacity: 1; transform: scale(1.1); }
.brand-item img { height: 90px; width: auto; object-fit: contain; filter: none; transition: var(--transition); }
.brand-item:hover img { filter: brightness(1.1); }
.brand-item > span:last-child { display: none; }
.brand-text-logo {
  font-family: var(--font-heading); font-size: 20px; font-weight: 800;
  color: var(--text-secondary); letter-spacing: 4px;
}
.brand-item:hover .brand-text-logo { color: var(--text-primary); }

/* --- Products --- */
.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; text-align: center;
  transition: var(--transition); position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(237,180,39,0.25);
  box-shadow: var(--shadow-glow);
}
.product-badge {
  position: absolute; top: 16px; left: 16px; padding: 5px 14px;
  border-radius: 100px; font-size: 11px; font-weight: 700; letter-spacing: 0.3px;
  background: linear-gradient(135deg, var(--gold), var(--orange)); color: #0a0a0a;
  z-index: 1;
}
.badge-green {
  background: linear-gradient(135deg, var(--green-mid), var(--green-light));
  color: white;
}
.product-image {
  height: 160px; border-radius: var(--radius-md);
  background: rgba(237,180,39,0.04); border: 1px solid rgba(237,180,39,0.06);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.product-placeholder {
  font-family: var(--font-heading); font-size: 36px; font-weight: 800;
  color: rgba(237,180,39,0.2);
}
.product-card h4 { font-size: 15px; margin-bottom: 8px; line-height: 1.4; }
.product-price { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.product-price strong { color: var(--gold); font-size: 22px; font-weight: 800; }

/* --- Testimonials --- */
.testimonial-slider { max-width: 700px; margin: 0 auto; position: relative; }
.testimonial-track { position: relative; min-height: 300px; }
.testimonial-card {
  position: absolute; inset: 0; opacity: 0; transition: opacity 0.5s ease;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  pointer-events: none;
}
.testimonial-card.active { opacity: 1; position: relative; pointer-events: auto; }
.testimonial-quote {
  font-family: var(--font-heading); font-size: 72px; color: var(--gold);
  line-height: 1; margin-bottom: -16px; opacity: 0.3;
}
.testimonial-card p { font-size: 17px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 28px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  display: flex; align-items: center; justify-content: center;
  color: #0a0a0a; font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: 15px; color: var(--text-primary); }
.testimonial-author span { font-size: 13px; color: var(--text-muted); }
.testimonial-dots { display: flex; justify-content: center; gap: 10px; margin-top: 28px; }
.dot {
  width: 10px; height: 10px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--border-light); transition: var(--transition); padding: 0;
}
.dot:hover { background: var(--text-muted); }
.dot.active { background: var(--gold); transform: scale(1.3); }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden; transition: var(--transition);
}
.faq-item.open { border-color: rgba(237,180,39,0.2); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; background: var(--bg-card); border: none; cursor: pointer;
  color: var(--text-primary); font-size: 16px; font-weight: 600; text-align: left;
  font-family: var(--font-body); transition: var(--transition); gap: 16px;
}
.faq-question:hover { background: var(--bg-card-hover); }
.faq-chevron {
  width: 20px; height: 20px; flex-shrink: 0;
  transition: transform 0.4s ease; color: var(--gold);
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 24px 24px; font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* --- CTA Section --- */
.section-cta {
  padding: 100px 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(237,180,39,0.06), transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(41,81,0,0.08), transparent 50%),
    var(--bg-base);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }

/* --- Contact --- */
.contact-info-list { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.contact-info-item { display: flex; align-items: center; gap: 16px; }
.contact-info-item svg { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; }
.contact-info-item strong { display: block; font-size: 14px; color: var(--text-primary); }
.contact-info-item a, .contact-info-item span { font-size: 15px; color: var(--text-secondary); }
.contact-info-item a:hover { color: var(--gold); }

.contact-form {
  display: flex; flex-direction: column; gap: 20px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
}
.form-group { position: relative; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 16px 18px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: var(--font-body); font-size: 15px;
  transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(237,180,39,0.08);
}
.form-group label {
  position: absolute; left: 18px; top: 16px; font-size: 15px; color: var(--text-muted);
  pointer-events: none; transition: var(--transition);
  background: var(--bg-base); padding: 0 4px;
}
.form-group input:focus ~ label, .form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label, .form-group textarea:not(:placeholder-shown) ~ label {
  top: -10px; left: 14px; font-size: 12px; color: var(--gold);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: var(--bg-card); color: var(--text-primary); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* --- Footer --- */
.footer {
  background: linear-gradient(180deg, #254709 0%, #1a3506 60%, #0f1f04 100%);
  border-top: 3px solid #edb427;
  padding: 64px 0 0;
  position: relative;
}
.footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 200px;
  background: radial-gradient(ellipse at 30% 0%, rgba(237,180,39,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 0%, rgba(58,107,18,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 48px;
  position: relative;
}
.footer-brand img { margin-bottom: 16px; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3)); }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(237,180,39,0.25);
  background: rgba(237,180,39,0.06);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.footer-social a svg { width: 18px; height: 18px; color: #edb427; transition: var(--transition); }
.footer-social a:hover { border-color: #edb427; background: rgba(237,180,39,0.15); transform: translateY(-3px); box-shadow: 0 4px 12px rgba(237,180,39,0.2); }
.footer-social a:hover svg { color: #f5c842; }
.footer-links h4 { font-size: 13px; font-weight: 700; margin-bottom: 20px; color: #edb427; letter-spacing: 1.5px; text-transform: uppercase; }
.footer-links a { display: block; font-size: 14px; color: rgba(255,255,255,0.55); padding: 6px 0; position: relative; }
.footer-links a:hover { color: #fff; transform: translateX(6px); }
.footer-links a::before { content: ''; position: absolute; left: -12px; top: 50%; width: 0; height: 2px; background: #edb427; transition: var(--transition); transform: translateY(-50%); }
.footer-links a:hover::before { width: 6px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0; border-top: 1px solid rgba(237,180,39,0.15);
  position: relative;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom-links a:hover { color: #edb427; }

/* --- Lightbox --- */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }
.lightbox-overlay img {
  max-width: 90vw; max-height: 85vh;
  object-fit: contain; border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  transform: scale(0.9); transition: transform 0.3s ease;
}
.lightbox-overlay.active img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  color: #fff; font-size: 24px;
}
.lightbox-close:hover { background: rgba(237,180,39,0.2); border-color: rgba(237,180,39,0.4); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition); color: #fff;
}
.lightbox-nav:hover { background: rgba(237,180,39,0.15); border-color: rgba(237,180,39,0.3); }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-counter {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-size: 13px; color: rgba(255,255,255,0.5); letter-spacing: 1px;
}
[data-lightbox] { cursor: zoom-in; }

/* --- Back to Top --- */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px;
  border-radius: 50%; background: linear-gradient(135deg, var(--gold), var(--orange));
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: var(--transition); z-index: 100;
  box-shadow: 0 4px 20px rgba(237,180,39,0.3);
}
.back-to-top svg { width: 20px; height: 20px; color: #0a0a0a; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(237,180,39,0.5); }

/* --- Scroll Animations --- */
[data-animate] {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-animate].animated { opacity: 1; transform: translateY(0); }

/* --- Keyframes --- */
@keyframes preloaderFill {
  0% { width: 0; }
  100% { width: 100%; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.97); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 200%; }
}
@keyframes particleFloat {
  0% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-60px) translateX(20px); }
  100% { transform: translateY(-120px) translateX(0); }
}
@keyframes dosatak-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-10px) scale(1.03); }
}
@keyframes brandScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
  .navbar-menu { gap: 2px; }
  .nav-link { font-size: 12px; padding: 6px 8px; }
  .nav-link::after { left: 8px; right: 8px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .solution-card--large { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .navbar-menu {
    position: fixed; top: 0; right: -100%; width: 80%; max-width: 320px; height: 100vh;
    background: rgba(10,10,10,0.98); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    flex-direction: column; justify-content: center; padding: 40px;
    gap: 28px; transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--border); z-index: 999;
    transform: none; left: auto; white-space: normal;
  }
  .navbar-menu.open { right: 0; }
  .nav-link { font-size: 20px; padding: 4px 0; }
  .nav-link::after { left: 0; right: auto; width: 0; }
  .nav-link:hover::after, .nav-link.active::after { width: 100%; }
  .hamburger { display: block; }
  .navbar-actions .btn { display: none; }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  .hero-content { padding-top: 100px; }
  .hero-title { font-size: clamp(32px, 8vw, 48px); }
  .hero-stats { flex-direction: column; gap: 20px; align-items: flex-start; }
  .hero-stat-divider { width: 48px; height: 1px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; text-align: center; }

  .stats-grid { flex-direction: column; gap: 24px; }

  .testimonial-card { padding: 28px 20px; }
  .testimonial-quote { font-size: 48px; }

  .contact-form { padding: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-bottom-links { justify-content: center; }

  .section { padding: 64px 0; }
  .section-cta { padding: 64px 0; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 320px; }

  .about-image { order: -1; }
}

/* --- Responsive: Small Mobile --- */
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero-content { padding-top: 90px; }
  .container { padding: 0 16px; }
  .glass-card { padding: 28px 20px; }
  .solution-card-inner { padding: 28px 20px; }
  .hero-badge { font-size: 11px; padding: 6px 14px; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .hero-bg, .hero-particles, .hero-content {
    transform: none !important;
    opacity: 1 !important;
  }
  .brand-track { animation: none; }
  [data-animate] { opacity: 1; transform: none; }
}

/* --- Print --- */
@media print {
  .navbar, #preloader, .back-to-top, .hero-particles { display: none; }
  body { background: white; color: #333; perspective: none; }
  .section { padding: 20px 0; transform: none !important; }
}