/* Provence — базовые токены и каркас. Собственная реализация. */

:root {
  /* Палитра: пастельная лаванда + мягкая бирюза */
  --c-bg: #fcfbff;
  --c-bg-alt: #f2f0fa;
  --c-beige: #e9e5f6;        /* светлая лавандовая полоса (хедер внутренних страниц) */
  --c-dark: #302b47;         /* глубокий лавандово-сливовый */
  --c-dark-soft: #3d3759;
  --c-text: #332f4a;
  --c-muted: #7c7897;
  --c-accent: #8b7ab8;       /* лаванда */
  --c-accent-2: #63c1c1;     /* бирюза */
  --c-line: rgba(51, 47, 74, 0.13);
  --c-white: #ffffff;

  /* Типографика */
  --f-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --f-body: 'Jost', 'Helvetica Neue', Arial, sans-serif;

  --fs-h1: clamp(2.4rem, 5.2vw, 4.6rem);
  --fs-h2: clamp(1.9rem, 3.6vw, 3.2rem);
  --fs-h3: clamp(1.25rem, 1.8vw, 1.6rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* Сетка и ритм */
  --container: 1320px;
  --container-narrow: 1080px;
  --gutter: 24px;
  --section-y: clamp(64px, 8vw, 130px);

  --topbar-h: 44px;
  --header-h: 80px;
  --header-h-sticky: 80px;

  --radius: 2px;
  --radius-lg: 6px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.5s;
  --shadow: 0 18px 50px rgba(48, 43, 71, 0.14);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 1.1em; }

/* --- Утилиты --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }
.section { padding: var(--section-y) 0; }
.section--alt { background: var(--c-bg-alt); }
.section--dark { background: var(--c-dark); color: #ece9f8; }

.eyebrow {
  display: inline-block;
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--c-accent);
  letter-spacing: 0.04em;
  margin-bottom: 0.6em;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--c-accent);
  vertical-align: middle;
  margin-right: 12px;
}
.lead { color: var(--c-muted); max-width: 62ch; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 34px;
  border: 1px solid var(--c-accent);
  background: var(--c-accent);
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--c-accent-2); border-color: var(--c-accent-2); color: #fff; }
.btn--ghost { background: transparent; color: var(--c-text); border-color: var(--c-line); }
.btn--ghost:hover { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.btn--light { background: #fff; border-color: #fff; color: var(--c-dark); }
.btn--light:hover { background: transparent; color: #fff; border-color: #fff; }

/* --- Топбар над хедером --- */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  background: rgba(12, 11, 8, 0.28);
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}
.topbar__group { display: flex; align-items: center; gap: 30px; }
.topbar__item { display: inline-flex; align-items: center; gap: 9px; }
.topbar__item svg { width: 15px; height: 15px; flex: none; opacity: 0.85; }
.topbar a:hover { color: #fff; }

/* --- Хедер --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header__bar {
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  transition: height var(--dur) var(--ease);
}
.site-header__logo {
  justify-self: center;
  display: block;
  line-height: 0;
}
.site-header__logo-img {
  height: 52px;
  width: auto;
  transition: height var(--dur) var(--ease);
}
.site-header__actions { justify-self: end; display: flex; align-items: center; gap: 16px; }

/* Главное меню */
.nav { display: flex; align-items: center; gap: 34px; }
.nav__item { position: relative; }
.nav__link {
  display: inline-block;
  padding: 10px 0;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  transition: color var(--dur) var(--ease);
}
.nav__link::after {
  content: '';
  display: block;
  height: 1px;
  width: 0;
  background: currentColor;
  transition: width var(--dur) var(--ease);
}
.nav__link:hover::after,
.nav__item.is-active > .nav__link::after { width: 100%; }
.nav__caret {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  margin-left: 10px;
  position: relative;
  top: -3px;
}
.nav__sub {
  position: absolute;
  top: 100%;
  left: -22px;
  min-width: 232px;
  padding: 14px 0;
  margin: 0;
  list-style: none;
  background: var(--c-white);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.nav__item--has-children:hover .nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__sub a {
  display: block;
  padding: 9px 24px;
  font-size: 0.85rem;
  color: var(--c-text);
  transition: color var(--dur) var(--ease), padding var(--dur) var(--ease);
}
.nav__sub a:hover { color: var(--c-accent); padding-left: 30px; }

/* Состояния хедера: прозрачный на главной, липкий тёмный, бежевый на внутренних */
.site-header--solid { background: var(--c-beige); }
.site-header--solid .topbar { color: var(--c-muted); background: rgba(51, 47, 74, 0.05); }
.site-header--solid .nav__link { color: var(--c-dark); }
.site-header--solid .topbar a:hover { color: var(--c-dark); }
.site-header--solid .burger span { background: var(--c-dark); }

/* Внутренние страницы: контент начинается под фиксированным хедером */
body.is-inner { padding-top: calc(var(--topbar-h) + var(--header-h)); }

.site-header.is-stuck {
  background: var(--c-dark);
  box-shadow: 0 10px 40px rgba(48, 43, 71, 0.3);
}
.site-header.is-stuck .topbar {
  height: 0;
  overflow: hidden;
  opacity: 0;
  transition: height var(--dur) var(--ease), opacity 0.25s var(--ease);
}
.site-header.is-stuck .site-header__bar { height: var(--header-h-sticky); }
.site-header.is-stuck .nav__link { color: #fff; }
.site-header.is-stuck .site-header__logo-img { height: 46px; }
.site-header.is-stuck .burger span { background: #fff; }

.burger {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 0;
  padding: 0;
  position: relative;
}
.burger span {
  position: absolute;
  left: 10px;
  width: 24px;
  height: 1.5px;
  background: #fff;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }

/* Мобильное меню */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--c-dark);
  color: #fff;
  padding: 90px 28px 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav > ul > li { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.mobile-nav a {
  display: block;
  padding: 15px 0;
  font-family: var(--f-display);
  font-size: 1.4rem;
}
.mobile-nav ul ul a { font-family: var(--f-body); font-size: 0.95rem; padding: 9px 0 9px 18px; opacity: 0.75; }
.mobile-nav__close {
  position: absolute;
  top: 26px;
  right: 22px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
}

/* --- Хедер внутренних страниц (page hero) --- */
.page-hero {
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: center;
  padding: clamp(60px, 8vw, 120px) 0;
  background: var(--c-bg-alt);
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: -10% 0;
  background: linear-gradient(120deg, #e3ddf5 0%, #f1eefa 45%, #d9f0f0 100%);
  will-change: transform;
}
.page-hero__inner { position: relative; z-index: 2; text-align: center; }
.page-hero h1 { margin-bottom: 0.3em; }
.crumbs {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: var(--fs-small);
  color: var(--c-muted);
  letter-spacing: 0.06em;
}
.crumbs span + span::before { content: '/'; margin-right: 10px; opacity: 0.5; }

/* --- Футер --- */
.site-footer { background: var(--c-dark); color: rgba(236, 233, 248, 0.72); padding-top: clamp(56px, 6vw, 92px); }
.site-footer h4 {
  font-family: var(--f-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 22px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(40px, 5vw, 70px);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 11px; }
.site-footer a:hover { color: #fff; }
.site-footer__logo {
  display: inline-block;
  margin-bottom: 18px;
  line-height: 0;
}
.site-footer__logo img { height: 64px; width: auto; }
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: var(--fs-small);
}
.site-footer__social { display: flex; gap: 22px; }

/* --- Анимации появления при скролле --- */
.reveal {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay='1'] { transition-delay: 0.1s; }
.reveal[data-delay='2'] { transition-delay: 0.2s; }
.reveal[data-delay='3'] { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* --- Адаптив --- */
@media (max-width: 1100px) {
  .nav { gap: 22px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  :root { --header-h: 68px; --header-h-sticky: 68px; }
  .nav, .topbar__group--secondary { display: none; }
  .burger { display: block; }
  .site-header__bar { grid-template-columns: auto 1fr auto; }
  .site-header__logo { justify-self: start; }
  .site-header__logo-img { height: 46px; }
  .site-header__actions .btn { display: none; }
  .topbar__inner { justify-content: center; }
}
@media (max-width: 640px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}