/* Общие стили внутренних страниц Карбонстат (справка, руководство, тарифы, функции).
   Извлечено из help.html — палитра и типографика совпадают с лендингом (index.html). */
:root {
  --green-900: #0f2d22; --green-700: #0e6b4e; --green-600: #0f6b4f; --green-500: #14905f;
  --green-300: #2bd07a; --mint-50: #eafff3; --mint-100: #f0fdf4;
  --ink: #16362a; --muted: #52635b; --line: #dfe9e3; --bg: #f8fcf9;
  --radius: 18px; --shadow: 0 18px 50px rgba(15,107,79,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: var(--green-700); }
.wrap { width: min(880px, 92%); margin: 0 auto; }
.wrap-wide { width: min(1060px, 92%); margin: 0 auto; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; border-radius: 12px; font-weight: 700;
  font-size: 15px; padding: 13px 22px; cursor: pointer; border: 1.5px solid transparent; transition: .15s;
  text-decoration: none;
}
.btn-primary { background: var(--green-700); color: #fff; }
.btn-primary:hover { background: #0b5a41; }
.btn-ghost { background: #fff; color: var(--green-700); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--green-700); }

header {
  position: sticky; top: 0; z-index: 20; background: rgba(248,252,249,.9);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; width: min(1100px, 92%); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand strong { font-size: 19px; color: var(--green-900); letter-spacing: -.01em; }
.nav-links { display: flex; align-items: center; gap: 10px; }
.nav-links a.link { color: var(--muted); font-weight: 600; font-size: 14px; padding: 8px 10px; text-decoration: none; }
.nav-links a.link:hover { color: var(--green-700); }

.hero { padding: 48px 0 32px; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--green-700); background: var(--mint-50);
  border: 1px solid #cdebd9; padding: 6px 12px; border-radius: 999px; margin-bottom: 16px;
}
h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.1; margin: 0 0 14px; color: var(--green-900); letter-spacing: -.02em; }
.lead { font-size: 17px; color: var(--muted); margin: 0; max-width: 660px; }

.toc { display: flex; flex-wrap: wrap; gap: 8px; padding: 20px 0 8px; }
.toc a { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; font-size: 13.5px; font-weight: 600; text-decoration: none; color: var(--green-700); }
.toc a:hover { border-color: var(--green-700); }

section.block { padding: 36px 0; border-top: 1px solid var(--line); }
section.block:first-of-type { border-top: none; }
h2 { font-size: clamp(22px, 3vw, 28px); margin: 0 0 16px; color: var(--green-900); letter-spacing: -.01em; }
h3 { font-size: 17px; margin: 20px 0 6px; color: var(--green-900); }
p { margin: 0 0 12px; color: var(--ink); }
p.muted { color: var(--muted); font-size: 14.5px; }
ul.plain { margin: 0 0 12px; padding-left: 22px; color: var(--ink); }
ul.plain li { margin-bottom: 6px; }

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; font-size: 14.5px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--mint-100); color: var(--green-900); font-weight: 700; }
tr:last-child td { border-bottom: none; }
.table-scroll { overflow-x: auto; }

ol.steps-list { padding-left: 0; list-style: none; counter-reset: s; display: grid; gap: 14px; }
ol.steps-list li { counter-increment: s; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px 16px 52px; position: relative; }
ol.steps-list li::before {
  content: counter(s); position: absolute; left: 16px; top: 16px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--green-700); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 13px;
}
ol.steps-list strong { color: var(--green-900); }

details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 700; color: var(--green-900); padding: 14px 0; list-style: none; font-size: 15px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--green-700); font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p:last-child { margin-bottom: 14px; }

.badge { display: inline-block; background: var(--mint-100); color: var(--green-700); border-radius: 999px; padding: 2px 10px; font-size: 12.5px; font-weight: 700; }
.badge.warn { background: #fef3c7; color: #92400e; }

/* Тарифные карточки */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--green-700); box-shadow: var(--shadow); }
.plan h3 { margin: 0 0 4px; font-size: 22px; }
.plan .price { font-size: 26px; font-weight: 800; color: var(--green-700); margin: 10px 0 4px; letter-spacing: -.01em; }
.plan .price small { display: block; font-size: 13.5px; font-weight: 600; color: var(--muted); margin-top: 4px; letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 20px; display: grid; gap: 9px; }
.plan ul li { padding-left: 24px; position: relative; font-size: 14.5px; color: var(--ink); }
.plan ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green-500); font-weight: 800; }
.plan .btn { margin-top: auto; justify-content: center; }

.callout { background: var(--mint-50); border: 1px solid #cdebd9; border-radius: var(--radius); padding: 20px 22px; margin: 0 0 12px; }
.callout h3 { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

footer { border-top: 1px solid var(--line); background: #fff; padding: 32px 0; margin-top: 24px; }
.copyright { color: var(--muted); font-size: 13px; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 14px; font-size: 14px; }

@media (max-width: 700px) {
  .grid-2, .grid-3, .plans { grid-template-columns: 1fr; }
  .nav-links .link:not(.btn) { display: none; }
}
/* На узких экранах кнопка в шапке иначе наезжает на логотип: сжимаем обе стороны. */
@media (max-width: 560px) {
  .nav { gap: 10px; }
  .nav-links .btn { padding: 10px 14px; font-size: 13.5px; white-space: nowrap; }
  .brand strong { font-size: 17px; }
  .brand svg { width: 30px; height: 30px; }
}