/* Заготовка сайта Cashew (knowrianism.org). Чистый CSS, light/dark по prefers-color-scheme. */
:root {
  --bg: #fbf8f4; --bg-alt: #f2ece4; --surface: #ffffff; --text: #1f2430; --muted: #6b7280;
  --accent: #c2611f; --accent-hover: #a54f16; --accent-soft: #f7e6d9; --border: #e6ddd2;
  --radius: 14px; --shadow: 0 10px 30px rgba(31, 36, 48, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161c; --bg-alt: #1b1e26; --surface: #20242e; --text: #eceef3; --muted: #9aa1ae;
    --accent: #e6883f; --accent-hover: #f09a55; --accent-soft: #3a2a1d; --border: #2d323e;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
a { color: inherit; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.95em; background: var(--accent-soft); padding: 0.1em 0.4em; border-radius: 6px; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

/* Шапка */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.header-row { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.01em; text-decoration: none; color: var(--accent); }
.nav { display: flex; gap: 20px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--text); }
.header-actions { display: flex; gap: 10px; }

/* Кнопки */
.btn { display: inline-block; padding: 9px 16px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid transparent; transition: background 0.15s, border-color 0.15s, color 0.15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border-color: var(--border); background: var(--surface); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 13px 22px; font-size: 1.05rem; }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 700; color: var(--accent); margin: 0 0 12px; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 18px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 26px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.hero-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.hero-card-title { font-weight: 700; margin-bottom: 14px; }
.hero-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.hero-list li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; background: var(--bg-alt); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex: none; }

/* Секции */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
h2 { font-size: 1.75rem; letter-spacing: -0.01em; margin: 0 0 8px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { margin: 0; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); flex: 1; }
.tag { align-self: flex-start; font-size: 0.78rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.tag-soon { background: var(--bg-alt); color: var(--muted); }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 18px 18px; position: relative; }
.steps li::before { content: counter(step); display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 10px; }
.steps strong { display: block; margin-bottom: 4px; }
.contacts { display: grid; gap: 8px; justify-items: start; }

/* Футер */
.site-footer { border-top: 1px solid var(--border); padding: 22px 0; color: var(--muted); font-size: 0.92rem; }
.footer-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-row nav { display: flex; gap: 16px; }
.footer-row a { color: var(--muted); }

@media (max-width: 860px) {
  .nav { display: none; }
  .hero-grid, .cards, .steps { grid-template-columns: 1fr; }
  .hero { padding: 44px 0 36px; }
}