/* ============================================================
   gitnice.ru — static site styles
   Modern minimalist SaaS, warm-paper aesthetic with fintech trust
   Fonts: Fraunces (display) + Plus Jakarta Sans (body) + JetBrains Mono
   ============================================================ */

:root {
  --bg: #F5F2EC;
  --surface: #FFFFFF;
  --surface-2: #FBF9F4;
  --ink: #12110F;
  --ink-soft: #2A2822;
  --muted: #6B675F;
  --muted-2: #8F8B82;
  --border: #E5E0D6;
  --border-strong: #D3CCBC;
  --accent: #C24A1E;
  --accent-ink: #8D3311;
  --accent-soft: #F4DBCC;
  --ok: #2E7D5B;
  --warn: #A2660E;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 0 rgba(18,17,15,0.04);
  --shadow-md: 0 1px 2px rgba(18,17,15,0.05), 0 8px 24px -12px rgba(18,17,15,0.12);
  --shadow-lg: 0 2px 4px rgba(18,17,15,0.06), 0 30px 60px -28px rgba(18,17,15,0.25);
  --max: 1160px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(194,74,30,0.06), transparent 60%),
    radial-gradient(800px 400px at -10% 10%, rgba(18,17,15,0.04), transparent 60%);
  background-attachment: fixed;
}

::selection { background: var(--ink); color: var(--bg); }

a { color: var(--ink); text-decoration: none; border-bottom: 1px solid rgba(18,17,15,0.25); transition: border-color .2s var(--ease), color .2s var(--ease); }
a:hover { border-color: var(--ink); }
a.nolink, a.btn, a.tag, a.logo, nav a, footer a { border-bottom: none; }

h1, h2, h3, h4 {
  font-family: "Fraunces", "Times New Roman", serif;
  font-weight: 450;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 .4em;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.1; }
h3 { font-size: 1.2rem; line-height: 1.25; font-weight: 500; }
h4 { font-size: 1rem; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }

p { margin: 0 0 1em; color: var(--ink-soft); }
small { color: var(--muted); font-size: .86rem; }
code, .mono { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .92em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px); }

/* -------- Header -------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(245,242,236,0.78);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "Fraunces", serif; font-weight: 500; font-size: 1.25rem;
  letter-spacing: -0.02em; color: var(--ink);
}
.logo .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
  display: inline-block;
}
.nav-links {
  display: flex; gap: 4px; align-items: center;
}
.nav-links a {
  padding: 8px 14px; border-radius: 999px;
  font-size: .92rem; color: var(--ink-soft);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-links a:hover { background: rgba(18,17,15,0.06); color: var(--ink); }
.nav-links a.active { background: var(--ink); color: var(--bg); }
.nav-cta { display: inline-flex; gap: 8px; }

.burger {
  display: none; background: none; border: 1px solid var(--border-strong);
  border-radius: 10px; width: 40px; height: 40px; cursor: pointer;
  align-items: center; justify-content: center;
}
.burger span, .burger span::before, .burger span::after {
  content: ""; display: block; width: 18px; height: 1.5px; background: var(--ink);
  position: relative; transition: transform .25s var(--ease);
}
.burger span::before { position: absolute; top: -6px; }
.burger span::after { position: absolute; top: 6px; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .burger { display: inline-flex; }
  .nav-open .nav-links {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--surface); border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 16px; gap: 4px;
  }
  .nav-open .nav-links a { padding: 12px 14px; }
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  font-family: inherit; font-size: .95rem; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-ink); }
.btn-lg { padding: 15px 26px; font-size: 1rem; }
.btn .arrow { transition: transform .2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* -------- Hero -------- */
.hero { padding: clamp(60px, 10vw, 120px) 0 clamp(40px, 6vw, 80px); }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px; border: 1px solid var(--border-strong);
  border-radius: 999px; background: var(--surface);
  font-size: .82rem; color: var(--muted); margin-bottom: 28px;
}
.hero-eyebrow .pill {
  background: var(--ink); color: var(--bg); padding: 3px 10px;
  border-radius: 999px; font-weight: 500; font-size: .78rem;
}
.hero h1 em {
  font-style: italic; color: var(--accent);
  font-family: "Fraunces", serif; font-variation-settings: "opsz" 144, "SOFT" 100;
}
.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted);
  max-width: 620px; margin: 18px 0 32px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta {
  margin-top: 40px; display: flex; flex-wrap: wrap; gap: 28px; color: var(--muted);
  font-size: .9rem;
}
.hero-meta span::before {
  content: "•"; color: var(--accent); margin-right: 10px; font-weight: bold;
}

/* -------- Sections -------- */
section { padding: clamp(48px, 7vw, 96px) 0; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head .tag {
  display: inline-block; font-family: "JetBrains Mono", monospace;
  font-size: .78rem; color: var(--accent); letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 14px;
}

/* -------- How it works -------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; position: relative;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.step:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.step .num {
  font-family: "Fraunces", serif; font-size: 2.4rem; color: var(--accent);
  line-height: 1; display: block; margin-bottom: 18px;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.step h3 { margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: .94rem; }

/* -------- Features / benefits -------- */
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .benefits { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .benefits { grid-template-columns: 1fr; } }
.benefit {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.benefit .ico {
  width: 38px; height: 38px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-ink);
  font-family: "JetBrains Mono", monospace; font-size: 1rem; margin-bottom: 18px;
}
.benefit h3 { margin-bottom: 8px; }
.benefit p { color: var(--muted); font-size: .94rem; margin: 0; }

/* -------- Pricing -------- */
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
@media (max-width: 820px) { .pricing { grid-template-columns: 1fr; } }
.plan {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; display: flex; flex-direction: column;
  position: relative;
}
.plan.featured {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
.plan.featured h3, .plan.featured .price, .plan.featured li, .plan.featured h4 { color: var(--bg); }
.plan.featured .badge {
  position: absolute; top: 20px; right: 20px;
  background: var(--accent); color: #fff; padding: 4px 10px;
  border-radius: 999px; font-size: .74rem; font-weight: 500; letter-spacing: .05em; text-transform: uppercase;
}
.plan h3 { font-family: "Plus Jakarta Sans", sans-serif; font-size: .9rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.plan .price { font-family: "Fraunces", serif; font-size: 3rem; line-height: 1; margin: 14px 0 6px; letter-spacing: -0.03em; }
.plan .price small { font-family: "Plus Jakarta Sans", sans-serif; font-size: .95rem; color: var(--muted); font-weight: 400; }
.plan.featured .price small { color: rgba(245,242,236,.6); }
.plan .desc { color: var(--muted); margin-bottom: 22px; font-size: .94rem; }
.plan.featured .desc { color: rgba(245,242,236,.7); }
.plan ul { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 10px; }
.plan li { display: flex; gap: 10px; font-size: .95rem; color: var(--ink-soft); }
.plan li::before {
  content: ""; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-soft); flex-shrink: 0; margin-top: 4px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 8.5l2.5 2.5L12 5.5' stroke='%23C24A1E' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat; background-position: center;
}
.plan.featured li::before {
  background: rgba(194,74,30,0.18);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 8.5l2.5 2.5L12 5.5' stroke='%23F4DBCC' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat; background-position: center;
}
.plan .cta { margin-top: auto; }
.pricing-footnote {
  margin-top: 24px; padding: 16px 18px; background: var(--surface-2);
  border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  font-size: .88rem; color: var(--muted);
}

/* -------- FAQ -------- */
.faq { display: flex; flex-direction: column; gap: 10px; max-width: 820px; }
.faq details {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 4px 22px;
  transition: border-color .2s var(--ease);
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 0;
  font-weight: 500; font-size: 1.02rem; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-family: "Fraunces", serif; font-size: 1.6rem;
  color: var(--accent); transition: transform .2s var(--ease); line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 0 20px; color: var(--muted); font-size: .95rem; }

/* -------- CTA banner -------- */
.cta-banner {
  background: var(--ink); color: var(--bg);
  border-radius: var(--radius-lg); padding: clamp(36px, 6vw, 68px);
  position: relative; overflow: hidden;
}
.cta-banner::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(194,74,30,0.4), transparent 60%);
}
.cta-banner h2 { color: var(--bg); max-width: 620px; position: relative; z-index: 1; }
.cta-banner p { color: rgba(245,242,236,0.7); max-width: 520px; position: relative; z-index: 1; margin-bottom: 24px; }
.cta-banner .ctas { display: flex; gap: 10px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-banner .btn-ghost { color: var(--bg); border-color: rgba(245,242,236,0.3); }
.cta-banner .btn-ghost:hover { border-color: var(--bg); }

/* -------- Footer -------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 32px; margin-top: 40px;
  background: var(--surface-2);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-size: .78rem; color: var(--muted); margin-bottom: 14px; }
.footer-col a { display: block; padding: 4px 0; color: var(--ink-soft); font-size: .94rem; }
.footer-col a:hover { color: var(--accent); }
.footer-brand p { color: var(--muted); font-size: .9rem; max-width: 320px; margin-top: 14px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: .86rem; flex-wrap: wrap; gap: 12px;
}
.footer-bottom .mono { color: var(--muted-2); }

/* -------- Legal document pages -------- */
.doc {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: clamp(28px, 5vw, 56px);
  max-width: 860px; margin: 0 auto;
}
.doc h1 { font-size: clamp(2rem, 3.6vw, 2.8rem); margin-bottom: .3em; }
.doc .meta {
  color: var(--muted); font-size: .88rem; margin-bottom: 30px;
  padding-bottom: 20px; border-bottom: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 18px;
}
.doc h2 { font-size: 1.5rem; margin-top: 2em; margin-bottom: .4em; }
.doc h3 { font-size: 1.1rem; margin-top: 1.6em; margin-bottom: .4em; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 600; }
.doc p, .doc li { color: var(--ink-soft); font-size: .98rem; line-height: 1.7; }
.doc ul, .doc ol { padding-left: 22px; margin: 0 0 1em; }
.doc li { margin-bottom: .4em; }
.doc .requisites {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; margin: 24px 0;
  font-family: "JetBrains Mono", monospace; font-size: .9rem; line-height: 1.8;
  color: var(--ink-soft);
}
.doc .requisites strong { color: var(--ink); font-family: inherit; }
.doc a { color: var(--accent); border-color: rgba(194,74,30,.35); }
.doc a:hover { color: var(--accent-ink); border-color: var(--accent-ink); }

.doc-nav {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px;
  padding-bottom: 20px; border-bottom: 1px solid var(--border);
}
.doc-nav a {
  font-size: .84rem; padding: 6px 12px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--muted);
}
.doc-nav a:hover { color: var(--ink); border-color: var(--border-strong); }
.doc-nav a.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.doc .callout {
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  border-radius: 6px; padding: 14px 18px; margin: 18px 0;
  color: var(--accent-ink); font-size: .94rem;
}
.doc .callout strong { color: var(--accent-ink); }

/* -------- Reveal on scroll -------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* -------- Misc -------- */
.hr { height: 1px; background: var(--border); margin: 0; border: 0; }
.center { text-align: center; }
.muted { color: var(--muted); }
.tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-ink);
  font-size: .78rem; font-weight: 500;
}

/* -------- Print -------- */
@media print {
  .site-header, .site-footer, .doc-nav, .nav-cta, .burger { display: none !important; }
  body { background: #fff; }
  .doc { border: none; padding: 0; }
}