:root {
  --bg: #050506;
  --bg-2: #0b0b0d;
  --bg-3: #121216;
  --line: rgba(210, 214, 224, 0.14);
  --line-strong: rgba(230, 234, 242, 0.28);
  --silver: #cfd3dc;
  --silver-2: #e8ebf2;
  --silver-dim: #8b909c;
  --text: #f4f5f8;
  --muted: #9aa0ac;
  --glow: rgba(210, 220, 235, 0.22);
  --danger: #e08a8a;
  --ok: #9ec9a8;
  --radius: 18px;
  --header: 76px;
  --font-display: "Cinzel", serif;
  --font: "Outfit", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { background: var(--bg); color: var(--text); font-family: var(--font); }
body { min-height: 100vh; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: linear-gradient(180deg, rgba(5,5,6,.92), rgba(5,5,6,.55) 70%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5,5,6,.86);
  border-bottom-color: var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 0 18px rgba(200,210,230,.18));
}
.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav a {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color .2s;
}
.nav a:hover { color: #fff; }
.nav-cta {
  padding: 10px 16px !important;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #fff !important;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
}
.nav-cta:hover { background: rgba(255,255,255,.12); }
.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--silver);
  width: 42px; height: 42px;
  border-radius: 10px;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header) + 40px) 28px 80px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(160,175,200,.12), transparent 50%),
    url("../assets/hero-stone.jpg") center 40% / cover no-repeat;
  opacity: 0.38;
  filter: saturate(.8) contrast(1.1);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,5,6,.25) 0%, rgba(5,5,6,.55) 55%, var(--bg) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 980px;
}
.kicker {
  letter-spacing: 0.42em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--silver);
  margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(42px, 8vw, 92px);
  letter-spacing: 0.12em;
  line-height: 0.95;
  background: linear-gradient(180deg, #fff, #b8bec9 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 span {
  display: block;
  font-size: 0.32em;
  letter-spacing: 0.55em;
  margin-top: 16px;
  color: var(--silver);
  background: none;
  -webkit-background-clip: initial;
}
.lede {
  margin: 28px auto 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}
.cta-row {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, #eceff5, #b7bcc7);
  color: #0b0b0d;
  box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 10px 40px rgba(200,210,230,.16);
  border-color: transparent;
  font-weight: 600;
}
.btn-ghost {
  background: rgba(255,255,255,.03);
  color: var(--silver-2);
}
.metrics {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.metric {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  text-align: center;
}
.metric b {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--silver-2);
}
.metric span { font-size: 12px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

/* Sections */
.section { position: relative; z-index: 2; padding: 90px 28px; }
.wrap { max-width: 1120px; margin: 0 auto; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0.08em;
}
.section-head p { margin-top: 12px; color: var(--muted); line-height: 1.6; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230,235,245,.45), transparent);
}
.card h3 {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 20px;
  margin: 8px 0 12px;
}
.card p { color: var(--muted); line-height: 1.6; font-size: 15px; }
.card .tag {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
}

.floor {
  position: relative;
  background:
    linear-gradient(180deg, var(--bg), rgba(5,5,6,.65)),
    url("../assets/grid-floor.jpg") center bottom / cover no-repeat;
}

.steps { counter-reset: step; }
.step { padding-left: 0; }
.step .num {
  font-family: var(--font-display);
  color: var(--silver);
  letter-spacing: 0.2em;
  font-size: 13px;
  margin-bottom: 8px;
}

.carriers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.carrier {
  min-height: 92px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.02);
}
.carrier strong {
  display: block;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 500;
}
.carrier em {
  font-style: normal;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* Forms */
.form-shell {
  max-width: 640px;
  margin: 0 auto;
}
.progress {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}
.progress i {
  height: 3px;
  flex: 1;
  background: rgba(255,255,255,.08);
  border-radius: 99px;
}
.progress i.on { background: linear-gradient(90deg, #9aa3b2, #e8ebf2); }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: #0e0e12;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  min-height: 50px;
  padding: 0 14px;
  outline: none;
}
.field textarea { padding: 14px; min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(200,210,230,.08);
}
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  background: rgba(255,255,255,.02);
}
.choice input { display: none; }
.choice.on, .choice:has(input:checked) {
  border-color: var(--silver);
  box-shadow: 0 0 0 1px rgba(220,225,235,.2);
}
.form-nav { display: flex; gap: 10px; margin-top: 8px; }
.form-msg { margin-top: 14px; font-size: 14px; color: var(--muted); }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--danger); }
.hp { position: absolute; left: -9999px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 28px 28px;
  color: var(--muted);
  font-size: 13px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto 32px;
}
.site-footer h4 {
  color: var(--silver-2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11px;
  margin-bottom: 14px;
}
.site-footer a { display: block; margin: 8px 0; color: var(--muted); }
.site-footer a:hover { color: #fff; }
.legal {
  max-width: 1120px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  line-height: 1.6;
  font-size: 12px;
}

.page-hero {
  padding: calc(var(--header) + 70px) 28px 40px;
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 500;
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: var(--header);
    left: 0; right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    background: rgba(8,8,10,.96);
    border-bottom: 1px solid var(--line);
    padding: 12px 18px 20px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 4px; }
  .menu-btn { display: grid; place-items: center; }
  .grid-2, .grid-3, .grid-4, .split, .carriers, .metrics, .foot-grid, .choice-grid {
    grid-template-columns: 1fr;
  }
  .brand img { height: 44px; }
}