/* ============================================================
   Loreset — фирменный стиль сайта
   Палитра (брендбук v2):
     Forest Green #2D4C31 — основной акцент
     Wood Brown   #875A31 — вторичный акцент, ховеры, связи
     Graphite     #333333 — основной текст
     Light Beige  #F8F6F0 — фон
   Шрифты: IBM Plex Sans (заголовки), Inter (текст)
   ============================================================ */

:root {
  --forest: #2D4C31;
  --forest-dark: #223A25;
  --forest-darker: #1A2E1D;
  --wood: #875A31;
  --wood-light: #A9743F;
  --graphite: #333333;
  --beige: #F8F6F0;
  --beige-dark: #EFEBE0;
  --white: #FFFFFF;
  --muted: #6B6B63;
  --border: #E2DDD0;
  --code-bg: #24312A;
  --radius: 10px;
  --font-head: "IBM Plex Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--graphite);
  background: var(--beige);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--forest);
  line-height: 1.25;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; }

a { color: var(--forest); text-decoration: none; transition: color .15s; }
a:hover { color: var(--wood); }

img { max-width: 100%; display: block; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Шапка ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 246, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--forest);
}

.brand img { height: 42px; width: auto; }

.main-nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  align-items: center;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--graphite);
}

.main-nav a:hover, .main-nav a.active { color: var(--forest); }
.main-nav a.active { border-bottom: 2px solid var(--wood); padding-bottom: 2px; }

/* кнопка в навигации: светлый текст поверх зелёной заливки */
.main-nav a.btn-primary { color: var(--beige); }
.main-nav a.btn-primary:hover { color: var(--white); }

/* переключатель языка */
.lang-switch {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 14px;
  color: var(--graphite);
  background: var(--white);
}
.main-nav a.lang-switch:hover { border-color: var(--wood); color: var(--wood); }

/* бургер для мобильных */
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--forest);
  margin: 5px 0;
}

/* ---------- Кнопки ---------- */

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.btn-primary {
  background: var(--forest);
  color: var(--beige);
}
.btn-primary:hover { background: var(--wood); color: var(--white); }

.btn-outline {
  border-color: var(--forest);
  color: var(--forest);
  background: transparent;
}
.btn-outline:hover { border-color: var(--wood); color: var(--wood); }

.btn-light {
  background: var(--beige);
  color: var(--forest);
}
.btn-light:hover { background: var(--white); color: var(--wood); }

.btn-outline-light {
  border-color: rgba(248, 246, 240, 0.6);
  color: var(--beige);
  background: transparent;
}
.btn-outline-light:hover { border-color: var(--beige); color: var(--white); }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(155deg, var(--forest-darker) 0%, var(--forest) 60%, var(--forest-dark) 100%);
  color: var(--beige);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../assets/pattern.svg");
  background-size: 420px 360px;
  opacity: 0.55;
  pointer-events: none;
}

.hero .container {
  position: relative;
  padding-top: 88px;
  padding-bottom: 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: center;
}

.hero h1 { color: var(--white); margin-bottom: 0.4em; }
.hero .tagline {
  font-size: 1.2rem;
  color: rgba(248, 246, 240, 0.88);
  margin-bottom: 1.8em;
  max-width: 560px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-logo {
  display: flex;
  justify-content: center;
}

.hero-logo .logo-card {
  background: var(--beige);
  border-radius: 24px;
  padding: 40px 52px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.hero-logo img { width: 240px; height: auto; }

.hero-badges {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 2em;
  font-size: 0.88rem;
  color: rgba(248, 246, 240, 0.75);
}

.hero-badges span { display: flex; align-items: center; gap: 6px; }

/* ---------- Секции ---------- */

.section { padding: 80px 0; }
.section.alt { background: var(--beige-dark); }
.section-dark {
  background: var(--forest);
  color: var(--beige);
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../assets/pattern.svg");
  background-size: 420px 360px;
  opacity: 0.35;
  pointer-events: none;
}
.section-dark .container { position: relative; }
.section-dark h2, .section-dark h3 { color: var(--white); }

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head .kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wood);
  margin-bottom: 8px;
}
.section-dark .section-head .kicker { color: var(--wood-light); }
.section-head p { color: var(--muted); }
.section-dark .section-head p { color: rgba(248, 246, 240, 0.8); }

/* ---------- Карточки фич ---------- */

.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(45, 76, 49, 0.12);
  border-color: var(--wood);
}
.card h3 { margin-top: 14px; }
.card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 0; }

.section-dark .card {
  background: rgba(248, 246, 240, 0.06);
  border-color: rgba(248, 246, 240, 0.18);
}
.section-dark .card p { color: rgba(248, 246, 240, 0.75); }
.section-dark .card:hover { border-color: var(--wood-light); box-shadow: none; }

/* иконки 2px-линии по брендбуку */
.icon {
  width: 44px;
  height: 44px;
  color: var(--forest);
}
.section-dark .icon { color: var(--beige); }
.icon svg { width: 100%; height: 100%; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Сплит-блоки (текст + код/картинка) ---------- */

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}
.split + .split { margin-top: 72px; }
.split .text .kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wood);
  margin-bottom: 8px;
}
.split ul { padding-left: 20px; color: var(--muted); }
.split ul li { margin-bottom: 8px; }
.split ul li strong { color: var(--graphite); }

/* ---------- Код ---------- */

pre {
  background: var(--code-bg);
  color: #E8EDE6;
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.55;
  margin: 0 0 1em;
}

code { font-family: var(--font-mono); }

p code, li code, td code {
  background: var(--beige-dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.85em;
  color: var(--forest-dark);
}

pre .c { color: #8FA893; }          /* комментарий */
pre .k { color: #D9B282; }          /* ключ */
pre .s { color: #A8C6A0; }          /* строка */
pre .n { color: #E3C6A5; }          /* число */

/* ---------- Скриншоты демо ---------- */

.shots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.shots figure { margin: 0; }
.shots img {
  border-radius: var(--radius);
  border: 1px solid rgba(248, 246, 240, 0.2);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  transition: transform .2s;
}
.shots img:hover { transform: scale(1.03); }
.shots figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(248, 246, 240, 0.7);
  margin-top: 10px;
}

/* ---------- Тарифы ---------- */

.plans {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.plan {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.plan.featured {
  border: 2px solid var(--forest);
  box-shadow: 0 16px 44px rgba(45, 76, 49, 0.16);
  position: relative;
}

.plan .ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--wood);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 3px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.plan h3 { font-size: 1.15rem; }
.plan .price {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--graphite);
  margin: 6px 0 2px;
}
.plan .price small { font-size: 0.95rem; font-weight: 400; color: var(--muted); }
.plan .for-whom { color: var(--muted); font-size: 0.9rem; min-height: 44px; }

.plan ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 28px;
  flex: 1;
}
.plan ul li {
  padding: 7px 0 7px 28px;
  position: relative;
  font-size: 0.92rem;
  border-bottom: 1px dashed var(--border);
}
.plan ul li:last-child { border-bottom: none; }
.plan ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--forest);
  border-bottom: 2px solid var(--forest);
  transform: rotate(-45deg);
}
.plan ul li.na { color: #A9A69B; }
.plan ul li.na::before { border-color: #C9C5B8; }

.plan .btn { width: 100%; text-align: center; }

/* ---------- Документация ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 48px;
  padding: 48px 0 80px;
}

.docs-nav {
  position: sticky;
  top: 92px;
  align-self: start;
  font-size: 0.9rem;
}
.docs-nav .group {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--wood);
  margin: 22px 0 8px;
}
.docs-nav .group:first-child { margin-top: 0; }
.docs-nav a {
  display: block;
  padding: 5px 12px;
  color: var(--graphite);
  border-left: 2px solid var(--border);
}
.docs-nav a:hover { color: var(--forest); border-left-color: var(--wood); }

.docs-content h1 { font-size: 2.2rem; }
.docs-content h2 {
  font-size: 1.55rem;
  margin-top: 2.2em;
  padding-top: 1.2em;
  border-top: 1px solid var(--border);
}
.docs-content h2:first-of-type { margin-top: 1em; border-top: none; padding-top: 0; }
.docs-content h3 { margin-top: 1.8em; color: var(--forest-dark); }
.docs-content li { margin-bottom: 6px; }

.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.4em;
  font-size: 0.92rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.docs-content th, .docs-content td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.docs-content th {
  background: var(--forest);
  color: var(--beige);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
}
.docs-content tr:last-child td { border-bottom: none; }

.callout {
  border-left: 4px solid var(--wood);
  background: var(--beige-dark);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 20px;
  margin: 0 0 1.4em;
  font-size: 0.95rem;
}
.callout strong { color: var(--wood); }

/* ---------- CTA-полоса ---------- */

.cta-strip {
  background: var(--wood);
  color: var(--white);
  text-align: center;
  padding: 64px 0;
}
.cta-strip h2 { color: var(--white); }
.cta-strip p { color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto 1.6em; }

/* ---------- Подвал ---------- */

.site-footer {
  background: var(--forest-darker);
  color: rgba(248, 246, 240, 0.75);
  padding: 56px 0 32px;
  font-size: 0.9rem;
}
.site-footer .cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.site-footer .brand { color: var(--beige); margin-bottom: 12px; }
.site-footer .brand img { filter: brightness(0) saturate(100%) invert(96%) sepia(6%) saturate(300%) hue-rotate(15deg); }
.site-footer h4 {
  color: var(--beige);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: rgba(248, 246, 240, 0.75); }
.site-footer a:hover { color: var(--white); }
.site-footer .bottom {
  border-top: 1px solid rgba(248, 246, 240, 0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(248, 246, 240, 0.5);
}

/* ---------- Числа / статистика ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats .num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
}
.stats .label { color: rgba(248, 246, 240, 0.7); font-size: 0.9rem; }

/* ---------- Адаптивность ---------- */

@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 56px; }
  .hero-logo { order: -1; }
  .hero-logo .logo-card { padding: 24px 32px; }
  .hero-logo img { width: 150px; }
  .grid-3, .grid-4, .plans, .stats { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .shots { grid-template-columns: repeat(2, 1fr); }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; display: none; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--beige);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 14px;
    align-items: flex-start;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .grid-3, .grid-4, .plans, .stats { grid-template-columns: 1fr; }
  .shots { grid-template-columns: 1fr 1fr; }
}