:root {
  --navy: #0b1f3a;
  --blue: #2563eb;
  --green: #0d9488;
  --ink: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --radius: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}
a { color: var(--blue); text-decoration: none; }

.nav {
  background: var(--navy);
  color: #fff;
  padding: 14px 24px;
}
.nav__inner { max-width: 1080px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.nav__brand { color: #fff; font-weight: 700; font-size: 1.1rem; }
.nav__brand span { color: var(--green); }
.nav__links a { color: #cbd5e1; margin-left: 20px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 32px 24px 64px; }

.hero { text-align: center; margin: 24px 0 40px; }
.hero h1 { font-size: 2.4rem; margin: 0 0 12px; color: var(--navy); }
.hero h1 span { color: var(--green); }
.hero p { color: var(--muted); max-width: 640px; margin: 0 auto; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card {
  display: flex; flex-direction: column; justify-content: space-between;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; color: var(--ink); transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 24px rgba(11,31,58,0.1); transform: translateY(-2px); }
.card h3 { margin: 8px 0; color: var(--navy); }
.card p { color: var(--muted); font-size: 0.9rem; flex: 1; }
.card__cat { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--green); }
.card__foot { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }
.card__price { font-weight: 700; color: var(--navy); }
.card__cta { color: var(--blue); font-weight: 600; }

.detail { max-width: 640px; margin: 0 auto; }
.detail h1 { color: var(--navy); }
.detail p { color: var(--muted); }
.detail__price { font-size: 1.6rem; font-weight: 700; color: var(--green); margin: 16px 0; }
.back { display: inline-block; margin-bottom: 16px; }

.btn {
  display: inline-block; background: var(--blue); color: #fff; border: 0;
  padding: 12px 22px; border-radius: 8px; cursor: pointer; font-size: 1rem;
}
.btn--ghost { background: transparent; color: var(--blue); border: 1px solid var(--border); }
.btn--ghost:hover { background: var(--bg); }

.cart { list-style: none; padding: 0; }
.cart__row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.cart__total { font-size: 1.2rem; margin: 16px 0; }

.lead { display: flex; flex-direction: column; gap: 12px; max-width: 400px; }
.lead input { padding: 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; }
.hint { color: var(--muted); font-size: 0.85rem; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.flash--success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash--error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.foot { text-align: center; padding: 20px; color: var(--muted); font-size: 0.85rem; }