:root {
  --bg: #0b1020;
  --bg-2: #111833;
  --card: #141c3a;
  --card-2: #18224a;
  --line: rgba(255, 255, 255, 0.09);
  --text: #e8ecf8;
  --muted: #a3adcc;
  --accent: #ff8a2a;
  --accent-2: #ffc15e;
  --teal: #3ad6c5;
  --radius: 16px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: 0.04em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #ff5a1f);
  display: grid; place-items: center; color: #0b1020; font-weight: 900;
}
.brand small { display: block; font-weight: 500; color: var(--muted); letter-spacing: 0.02em; font-size: 11px; margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 8px 12px; font-size: 15px; cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 12px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #ff6a1f); color: #0b1020; box-shadow: 0 8px 24px rgba(255, 138, 42, 0.28); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }
.btn-wa { background: #25d366; color: #06230f; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 96px 0 84px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(255, 138, 42, 0.22), transparent 65%); pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; left: -200px; bottom: -300px; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(58, 214, 197, 0.12), transparent 65%); pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.eyebrow { display: inline-block; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-2); font-weight: 700; margin: 0 0 14px; }
.hero h1 { font-size: clamp(36px, 6vw, 66px); line-height: 1.07; margin: 0 0 22px; letter-spacing: -0.02em; max-width: 880px; }
.hero h1 span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 760px; margin: 0 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-top: 56px; }
.stat { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); border-radius: var(--radius); padding: 18px 20px; }
.stat b { display: block; font-size: 18px; }
.stat span { color: var(--muted); font-size: 14px; }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 780px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.015em; }
.section-head p { color: var(--muted); margin: 0; font-size: 17px; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card h3 { margin: 0 0 10px; font-size: 20px; }
.card p { margin: 0 0 14px; color: var(--muted); }
.card ul { margin: 0; padding-left: 20px; color: var(--text); }
.card li { margin-bottom: 8px; }
.card li span { color: var(--muted); }
.card .icon { font-size: 28px; margin-bottom: 12px; display: block; }

.model-card { background: linear-gradient(160deg, var(--card-2), var(--card)); border-color: rgba(255, 138, 42, 0.25); }
.model-card .tag { display: inline-block; background: rgba(255, 138, 42, 0.15); color: var(--accent-2); border-radius: 999px; padding: 4px 12px; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px; }

.cat { padding: 30px; }
.cat h3 { display: flex; align-items: center; gap: 12px; font-size: 22px; }
.cat h3 .icon { font-size: 26px; margin: 0; }
.cat .what { border-left: 3px solid var(--accent); padding-left: 14px; margin: 0 0 18px; color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); padding: 7px 14px; border-radius: 999px; font-size: 14px; color: var(--text); }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ff6a1f); color: #0b1020; font-weight: 800; margin-bottom: 14px;
}
.step h3 { margin: 0 0 8px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- FAQ ---------- */
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; margin-bottom: 14px; }
summary { cursor: pointer; font-weight: 700; font-size: 17px; }
details p { color: var(--muted); margin: 12px 0 0; }

/* ---------- Contact ---------- */
.contact-box {
  background: linear-gradient(135deg, rgba(255, 138, 42, 0.16), rgba(58, 214, 197, 0.08));
  border: 1px solid rgba(255, 138, 42, 0.3); border-radius: 24px; padding: 48px; text-align: center;
}
.contact-box h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 12px; }
.contact-box p { color: var(--muted); max-width: 680px; margin: 0 auto 28px; font-size: 17px; }
.contact-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 760px; margin: 0 auto; }
.contact-method { background: rgba(11, 16, 32, 0.6); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.contact-method h3 { margin: 0 0 6px; }
.contact-method .val { display: block; margin-bottom: 16px; color: var(--text); font-weight: 600; word-break: break-all; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }

.notfound { min-height: 100vh; display: grid; place-content: center; text-align: center; gap: 10px; padding: 20px; }
.notfound h1 { font-size: 44px; margin: 0; }
.notfound p { color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3, .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: flex-start;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 18px 20px 24px; gap: 16px;
  }
  .nav-links.open { display: flex; }
  .grid-2, .grid-3, .steps, .contact-methods { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  section { padding: 60px 0; }
  .contact-box { padding: 30px 20px; }
}