html { scroll-behavior: smooth; }
* { -webkit-font-smoothing: antialiased; }

/* Dark industrial theme */
:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --bg-dark: #0f1117;
  --bg-card: #1a1d27;
  --bg-card2: #1e2130;
  --border: rgba(255,255,255,0.08);
  --text-muted: #8a94a8;
}

body {
  background-color: var(--bg-dark);
  color: #e2e8f0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: #374151; border-radius: 3px; }

/* Card */
.card-dark {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-dark:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  border-color: rgba(249,115,22,0.3);
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(249,115,22,0.4);
}
.btn-outline {
  border: 2px solid rgba(255,255,255,0.25);
  color: #fff;
  border-radius: 10px;
  font-weight: 600;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(249,115,22,0.1);
  transform: translateY(-1px);
}

/* Hero gradient overlay */
.hero-bg {
  position: relative;
  background: linear-gradient(135deg, #0a0c12 0%, #111827 60%, #1a1d27 100%);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(249,115,22,0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* Section accents */
.section-dark { background: var(--bg-dark); }
.section-alt { background: #13151f; }

/* Orange accent line */
.accent-line {
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

/* Process steps */
.step-number {
  width: 44px;
  height: 44px;
  background: rgba(249,115,22,0.12);
  border: 2px solid rgba(249,115,22,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}

/* Icon box */
.icon-box {
  width: 52px;
  height: 52px;
  background: rgba(249,115,22,0.1);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

/* Gallery */
.gallery-img {
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 10px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  filter: brightness(0.85);
}
.gallery-img:hover {
  transform: scale(1.02);
  filter: brightness(1);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  cursor: pointer;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 600;
  color: #e2e8f0;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-answer {
  display: none;
  padding-bottom: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-answer.open { display: block; }
.faq-icon {
  transition: transform 0.2s ease;
  flex-shrink: 0;
  color: var(--primary);
}
.faq-icon.rotated { transform: rotate(45deg); }

/* Form inputs */
.form-input {
  background: #1e2130;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #e2e8f0;
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
  outline: none;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.12);
}
.form-input::placeholder { color: #4b5563; }
textarea.form-input { resize: vertical; min-height: 110px; }

/* Nav */
.nav-link {
  color: #94a3b8;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
  text-decoration: none;
}
.nav-link:hover { color: var(--primary); }

/* Sticky phone bar mobile */
.sticky-phone-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: none;
  padding: 10px 16px;
  background: rgba(15,17,23,0.97);
  border-top: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}
@media (max-width: 768px) {
  .sticky-phone-bar { display: flex; gap: 10px; }
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(249,115,22,0.12);
  border: 1px solid rgba(249,115,22,0.3);
  color: var(--primary);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Stat box */
.stat-box {
  text-align: center;
  padding: 20px 16px;
  border-right: 1px solid var(--border);
}
.stat-box:last-child { border-right: none; }

/* Divider */
.divider { border-color: var(--border); }

/* Responsive nav */
#mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: #13151f;
  border-top: 1px solid var(--border);
  padding: 12px 0 8px;
}
#mobile-menu.open { display: flex; }
#mobile-menu a {
  padding: 10px 24px;
  color: #94a3b8;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}
#mobile-menu a:hover { color: var(--primary); background: rgba(249,115,22,0.06); }

/* Price table */
.price-row { border-bottom: 1px solid var(--border); }
.price-row:last-child { border-bottom: none; }

@media (max-width: 640px) {
  .stat-box { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-box:last-child { border-bottom: none; }
}