:root {
  --bg: #0d0f12;
  --panel: #13171d;
  --panel-2: #1a1f27;
  --text: #f5f6f8;
  --muted: #b3bac5;
  --steel: #7d8793;
  --steel-strong: #5b6370;
  --accent: #8d1f1d;
  --accent-2: #c24a24;
  --highlight: #f1a93a;
  --line: rgba(255,255,255,0.08);
  --shadow: 0 20px 50px rgba(0,0,0,0.35);
  --radius: 18px;
  --container: min(1180px, calc(100% - 2rem));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(241,169,58,0.15), transparent 18%),
    linear-gradient(180deg, #0b0d10, #11161c 55%, #0a0c10);
  color: var(--text);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: var(--container); margin: 0 auto; }
.section { padding: 4.5rem 0; }
.section-title { margin: 0 0 0.75rem; font-size: clamp(1.9rem, 3vw, 2.8rem); line-height: 1.08; }
.section-lead { max-width: 680px; color: var(--muted); margin-bottom: 2rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(8, 9, 12, 0.86);
  border-bottom: 1px solid var(--line);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #2a313b, #0d1015);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.brand-mark span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #4c1110);
  box-shadow: 0 0 12px rgba(241,169,58,0.65);
}
.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}
.nav-links a {
  color: var(--muted);
  font-weight: 700;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.65rem;
}

.hero {
  padding: 4.5rem 0 3rem;
}
.hero-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(196,74,36,0.18), transparent 35%),
    linear-gradient(160deg, rgba(42,49,59,0.8), rgba(18,21,27,0.92));
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-content {
  padding: 3rem;
}
.hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 4.7vw, 4.6rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
}
.hero-copy p { color: var(--muted); max-width: 640px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.35rem;
  border-radius: 12px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #5f1615);
  color: white;
  box-shadow: 0 12px 30px rgba(141,31,29,0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(255,255,255,0.18);
}
.hero-visual {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(241,169,58,0.16), rgba(0,0,0,0) 30%),
    linear-gradient(145deg, #16191f, #08090d);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.9) contrast(1.05) brightness(0.82);
}
.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto auto 1.4rem 1.4rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  pointer-events: none;
}
.hero-visual::before {
  width: 70%;
  height: 40%;
  background: linear-gradient(180deg, rgba(0,0,0,0.06), rgba(0,0,0,0.3));
  box-shadow: var(--shadow);
}
.hero-visual::after {
  width: 22%;
  height: 22%;
  left: auto;
  right: 1.35rem;
  top: 1.4rem;
  bottom: auto;
  background: linear-gradient(160deg, rgba(241,169,58,0.85), rgba(255,101,0,0.7));
  box-shadow: 0 0 24px rgba(241,169,58,0.5);
}

.grid-3,
.feature-grid,
.steps-grid,
.testimonial-grid,
.contact-grid,
.equipment-grid {
  display: grid;
  gap: 1.2rem;
}
.grid-3,
.feature-grid,
.steps-grid,
.testimonial-grid,
.equipment-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.contact-grid { grid-template-columns: 1fr 1fr; }

.card,
.feature-card,
.step-card,
.testimonial-card,
.contact-card,
.info-card,
.equipment-card {
  position: relative;
  background: linear-gradient(160deg, rgba(24,29,37,0.96), rgba(14,16,20,0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.equipment-card {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}
.equipment-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  filter: saturate(0.85) contrast(1.03) brightness(0.78);
}
.equipment-card:hover {
  transform: translateY(-4px);
  border-color: rgba(241,169,58,0.32);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.equipment-card:hover img {
  filter: saturate(1) contrast(1.05) brightness(0.88);
}
.equipment-card h3,
.equipment-card p,
.equipment-card .btn {
  margin: 0;
}
.equipment-card .btn {
  margin-top: auto;
}
.card h3,
.feature-card h3,
.step-card h3,
.info-card h3,
.equipment-card h3 { margin-top: 0; }
.muted { color: var(--muted); }
.kicker {
  color: var(--highlight);
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.stat { font-size: 2rem; font-weight: 900; }

.rating-line {
  color: var(--highlight);
  letter-spacing: 0.18em;
  font-size: 0.9rem;
}

.section-dark { background: rgba(255,255,255,0.02); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(241,169,58,0.12);
  border: 1px solid rgba(241,169,58,0.32);
  color: var(--highlight);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cta-panel {
  background: linear-gradient(135deg, rgba(141,31,29,0.45), rgba(24,29,37,0.9));
  border: 1px solid rgba(241,169,58,0.18);
  border-radius: 20px;
  padding: 1.5rem;
}

.footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  background: #0a0d11;
}
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; gap: 1.2rem; }
.footer small { color: var(--muted); }

.page-hero {
  padding: 3.5rem 0 2rem;
}
.page-hero .hero-card { grid-template-columns: 1fr; }
.page-hero .hero-content { padding: 2.75rem; }
.page-hero .hero-visual { display: none; }

.mini-list { display: grid; gap: 0.8rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.mini-list li { padding-left: 1.2rem; position: relative; color: var(--muted); }
.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 7px;
  height: 7px;
  background: var(--highlight);
  border-radius: 999px;
}

form .field,
input,
textarea,
select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 0.9rem 1rem;
  font: inherit;
}
form .field {
  margin-bottom: 1rem;
}
textarea { min-height: 130px; resize: vertical; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 1rem 1.1rem;
  font: inherit;
  font-weight: 800;
  border: none;
  cursor: pointer;
}
.faq-answer {
  display: none;
  padding: 0 1.1rem 1rem;
  color: var(--muted);
}
.faq-item.open .faq-answer { display: block; }

@media (max-width: 900px) {
  .hero-card,
  .contact-grid,
  .footer-grid,
  .grid-3,
  .feature-grid,
  .steps-grid,
  .testimonial-grid,
  .equipment-grid { grid-template-columns: 1fr; }
  .hero-content { padding: 2rem; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    right: 1rem;
    top: calc(100% + 0.5rem);
    flex-direction: column;
    align-items: stretch;
    background: rgba(11,12,15,0.95);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 0.85rem;
    min-width: 220px;
    display: none;
  }
  .nav-links[data-open="true"] { display: flex; }
}

@media (max-width: 640px) {
  .section { padding: 3.6rem 0; }
  .hero { padding-top: 2rem; }
  .hero-copy h1 { font-size: 2.3rem; }
  .btn { width: 100%; }
}
