/* Лендинг Easy Obmen — публичная страница на / (мини-апп живёт на /app) */

:root {
  --bg: #0b0e14;
  --card: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.09);
  --fg: #f2f4f8;
  --muted: #8b93a7;
  --orange: #f7931a;
  --orange-2: #e2761b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, system-ui, "Inter", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }

a { color: var(--orange); }

/* шапка */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 14, 20, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 12px; padding-bottom: 12px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.logo { width: 42px; height: 42px; border-radius: 11px; object-fit: cover; }
.brand-name { font-size: 16px; font-weight: 800; }
.brand-sub { font-size: 12px; color: var(--muted); }

/* кнопки */
.btn {
  display: inline-block; cursor: pointer;
  border: none; border-radius: 12px;
  font-weight: 700; text-decoration: none;
  color: #1a1205;
  background: linear-gradient(135deg, #ffb84d, var(--orange) 45%, var(--orange-2));
  box-shadow: 0 6px 20px rgba(247, 147, 26, .32);
  transition: transform .12s;
}
.btn:active { transform: scale(.98); }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-lg { padding: 15px 30px; font-size: 17px; }

/* герой */
.hero {
  padding: 64px 0 52px;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(247, 147, 26, .16), transparent 70%);
  text-align: center;
}
.hero h1 { font-size: 40px; line-height: 1.15; font-weight: 800; letter-spacing: -.5px; }
.hero .accent {
  background: linear-gradient(100deg, #ffc46b, var(--orange));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lead {
  max-width: 640px; margin: 20px auto 28px;
  font-size: 17px; color: var(--muted);
}
.hero-note { margin-top: 16px; font-size: 13px; color: var(--muted); }

/* секции */
.section { padding: 44px 0; border-top: 1px solid var(--card-border); }
.section h2 { font-size: 25px; font-weight: 800; margin-bottom: 20px; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 22px;
}
.card-ic {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: #1a1205;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  margin-bottom: 12px;
}
.card h3 { font-size: 17px; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 15px; }

.steps { list-style: none; counter-reset: s; display: grid; gap: 12px; }
.steps li {
  counter-increment: s;
  position: relative; padding: 14px 18px 14px 56px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  color: var(--muted); font-size: 15px;
}
.steps li b { color: var(--fg); }
.steps li::before {
  content: counter(s);
  position: absolute; left: 18px; top: 14px;
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: #1a1205;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
}

.facts { list-style: none; display: grid; gap: 10px; }
.facts li {
  padding: 13px 16px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--muted); font-size: 15px;
}
.facts li b { color: var(--fg); }

.notice {
  background: rgba(247, 147, 26, .07);
  border: 1px solid rgba(247, 147, 26, .28);
  border-radius: 16px;
  padding: 20px;
}
.notice p { color: var(--muted); font-size: 15px; }
.notice p + p { margin-top: 12px; }

.faq { display: grid; gap: 10px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
}
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 15.5px;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "＋ "; color: var(--orange); font-weight: 800; }
.faq details[open] summary::before { content: "− "; }
.faq details p { color: var(--muted); font-size: 15px; margin-top: 10px; }

.contacts { font-size: 16px; color: var(--muted); }

/* подвал */
.footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--card-border);
  color: var(--muted); font-size: 14px;
}
.footer .small { margin-top: 8px; font-size: 12.5px; opacity: .8; }

@media (max-width: 620px) {
  .hero { padding: 44px 0 36px; }
  .hero h1 { font-size: 30px; }
  .lead { font-size: 16px; }
  .cards { grid-template-columns: 1fr; }
  .nav-inner { gap: 10px; }
  .brand-sub { display: none; }
}