/*
 * bm-savkin.ru — shared stylesheet for /, /about, /support
 * Spec: bms-ansible/docs/specs/2026-05-26-content-pages-design.md
 * Cache-bust: bump ?v=YYYY-MM-DD in each HTML <link> when this file changes.
 */

:root {
  --ink: #2a2a26;
  --ink-soft: #555;
  --paper: #fafaf7;
  --cream-1: #f3efe1;
  --cream-2: #e9e2c8;
  --accent: #6f6228;
  --nav-height: 56px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: var(--nav-height);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

main {
  display: block;
}

main > section {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px;
}

h1 {
  font-size: 2.2rem;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.4rem;
  margin: 24px 0 12px;
}

p {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

ul, ol {
  padding-left: 24px;
  margin: 0 0 12px;
  color: var(--ink-soft);
}

li {
  margin: 4px 0;
}

a {
  color: var(--ink);
  text-decoration: underline;
}

a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }
  main > section { padding: 24px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  /* No CSS transitions in v1 (chevron is a content-swap, not animatable).
     Block kept as forward-compatible scaffold — when a future edit adds
     any `transition: ...` declaration, also add the corresponding
     `transition: none !important` here. */
}

/* --- Skip-link (a11y, first focusable) --- */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip:focus {
  left: 0;
  top: 0;
  padding: 8px 16px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  z-index: 100;
}

/* --- Nav (sticky top bar) --- */
.nav {
  position: sticky;
  top: 0;
  height: var(--nav-height);
  background: #fff;
  border-bottom: 1px solid var(--cream-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 10;
}

.nav .logo {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
}

.nav .links a {
  margin-left: 16px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav .links a:hover {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 560px) {
  .nav .links { display: none; }
  .nav .menu-fallback {
    color: var(--ink);
    text-decoration: none;
    font-size: 0.9rem;
  }
}

@media (min-width: 561px) {
  .nav .menu-fallback { display: none; }
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--cream-1) 0%, var(--cream-2) 100%);
  padding: 48px 24px;
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
}

.hero p {
  color: var(--ink);
  font-size: 1.05rem;
  max-width: 720px;
}

.hero .btn {
  margin-top: 16px;
}

/* --- Button --- */
.btn {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.95rem;
  min-height: 44px;
  line-height: 28px;
}

.btn:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: underline;
}

/* --- Package + contact cards (shared skin) --- */
.pkg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .pkg-grid,
  .contact-grid { grid-template-columns: 1fr; }
}

.pkg-card,
.contact-card {
  background: #fff;
  border: 1px solid var(--cream-2);
  border-radius: 6px;
  padding: 16px;
}

.pkg-card .name {
  font-weight: 600;
  color: var(--ink);
  font-size: 1.05rem;
}

.pkg-card .price {
  color: var(--accent);
  font-weight: 600;
  margin: 6px 0;
}

.pkg-card .desc,
.contact-card .desc {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin: 4px 0 8px;
}

.pkg-card a,
.contact-card a {
  color: var(--ink);
  text-decoration: underline;
}

.contact-card .email {
  font-weight: 600;
  font-size: 1rem;
}

/* --- FAQ (<details> native) --- */
.faq-item {
  border-bottom: 1px solid var(--cream-2);
  padding: 0;
}

.faq-item summary {
  display: block;
  padding: 12px 0;
  min-height: 44px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}

.faq-item summary::before {
  content: '▸ ';
  display: inline-block;
  width: 1.2em;
  color: var(--ink-soft);
}

details.faq-item[open] > summary::before {
  content: '▾ ';
}

/* --- Pricing note (under .pkg-grid on /) --- */
.pricing-note {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.faq-item .answer {
  padding: 0 0 16px 1.2em;
  color: var(--ink-soft);
}

/* --- Footer --- */
footer {
  background: var(--cream-1);
  border-top: 1px solid var(--cream-2);
  padding: 32px 24px;
  margin-top: 32px;
}

footer .footer-inner {
  max-width: 960px;
  margin: 0 auto;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

footer .contacts {
  margin-top: 12px;
}

footer .docs a,
footer .contacts a {
  color: var(--ink);
  margin-right: 12px;
}

footer .requisites {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}