/* ===========================================================================
   Соснодом — эко-глэмпинг в куполах. Дизайн-система одного лендинга.
   Палитра: глубокий лесной зелёный + песочный + небесно-голубой.
   Только локальные ресурсы, никаких внешних запросов.
   =========================================================================== */

:root {
  /* цвет */
  --sand:       #f4efe4;   /* песочная бумага — основной фон */
  --sand-2:     #ebe2cf;   /* чуть глубже песок — alt-секции */
  --forest:     #1f3a2e;   /* глубокий лесной зелёный — тёмные секции */
  --forest-2:   #16291f;   /* ещё темнее — футер */
  --moss:       #3f6b4f;   /* мшистый зелёный — основной акцент */
  --moss-deep:  #2f5340;
  --sky:        #5d97b8;   /* небесно-голубой — второй акцент */
  --sky-deep:   #3f7795;
  --ink:        #25302a;   /* почти-чёрный с зеленцой — текст */
  --ink-soft:   #4d5b51;
  --muted:      #7d8a7f;
  --line:       #d9d0bd;
  --cream:      #faf7ef;   /* светлый текст на тёмном */

  /* типографика: элегантный сериф-дисплей + чистый сан */
  --serif: "Cambria", "Hoefler Text", "Constantia", Georgia, "Times New Roman", serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* шкала отступов */
  --s-1: 8px;  --s-2: 16px; --s-3: 24px; --s-4: 32px;
  --s-5: 48px; --s-6: 64px; --s-7: 96px; --s-8: 132px;

  --maxw: 1200px;
  --radius: 6px;
  --radius-lg: 18px;     /* выраженно скруглённые карточки — мягкость под нишу */
  --radius-pill: 999px;
  --shadow:    0 1px 2px rgba(22,41,31,.05), 0 10px 30px rgba(22,41,31,.08);
  --shadow-lg: 0 22px 60px rgba(22,41,31,.20);
  --ease: cubic-bezier(.21,.6,.35,1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  color: var(--ink);
  background: var(--sand);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
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(--serif); font-weight: 600; line-height: 1.1; letter-spacing: .002em; margin: 0; }
p { margin: 0 0 var(--s-2); }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--s-4); }
.visually-hidden, .skip-link {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link:focus {
  position: fixed; top: 12px; left: 12px; width: auto; height: auto; clip: auto;
  background: var(--forest); color: var(--cream); padding: 10px 16px; border-radius: var(--radius); z-index: 999;
}

/* ---------- общие секции ---------- */
.section { padding-block: var(--s-7); }
.section--alt    { background: var(--sand-2); }
.section--forest { background: var(--forest); color: #dfe7df; }

.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .26em;
  font-size: 12px;
  font-weight: 700;
  color: var(--moss);
  margin: 0 0 var(--s-2);
}
.eyebrow--light { color: #9ec7a8; }

.section-head { max-width: 680px; margin: 0 auto var(--s-6); text-align: center; }
.section-head h2 { font-size: clamp(29px, 4.2vw, 46px); margin-bottom: var(--s-2); }
.section-head__lead { color: var(--ink-soft); font-size: 18px; margin: 0; }
.section--forest .section-head__lead { color: #b6c6b9; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--moss); color: #fff;
  padding: 15px 30px; border: 1px solid var(--moss);
  border-radius: var(--radius-pill); font-weight: 600; font-size: 15px;
  letter-spacing: .015em;
  transition: background .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { background: var(--moss-deep); border-color: var(--moss-deep); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.btn--small { padding: 10px 20px; font-size: 14px; }
.btn--wide { width: 100%; }
.btn--ghost { background: transparent; color: var(--moss); }
.btn--ghost:hover { background: rgba(63,107,79,.08); color: var(--moss-deep); }
.btn--ghost-light { color: #fff; border-color: rgba(255,255,255,.7); background: transparent; }
.btn--ghost-light:hover { background: rgba(255,255,255,.14); border-color: #fff; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  background: transparent;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(244,239,228,.92);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom-color: var(--line);
  box-shadow: 0 2px 18px rgba(22,41,31,.06);
}
.header-inner { display: flex; align-items: center; gap: var(--s-3); height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 23px; font-weight: 600; color: var(--ink); }
.brand__mark { color: var(--moss); flex: none; }
.brand__name { letter-spacing: .03em; }

/* хедер поверх hero — светлый, пока не проскроллено */
.site-header:not(.scrolled) .brand,
.site-header:not(.scrolled) .nav a { color: var(--cream); }
.site-header:not(.scrolled) .brand__mark { color: #b9dcc0; }

.nav { display: flex; gap: var(--s-4); margin-left: auto; }
.nav a { font-size: 15px; font-weight: 500; position: relative; padding: 6px 0; transition: color .2s var(--ease); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--moss);
  transition: width .25s var(--ease);
}
.nav a:hover { color: var(--moss); }
.site-header:not(.scrolled) .nav a:hover { color: #b9dcc0; }
.nav a:hover::after { width: 100%; }
.nav-cta { flex: none; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; margin-left: auto; }
.burger span { width: 24px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .2s var(--ease); }
.site-header:not(.scrolled) .burger span { background: #fff; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: flex-end;
  overflow: hidden; margin-top: -78px; padding-top: 78px;
}
.hero__bg {
  position: absolute; inset: -8% 0 0 0; background-size: cover; background-position: center 40%;
  z-index: -2; will-change: transform;
}
.hero__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(22,41,31,.50) 0%, rgba(22,41,31,.15) 38%, rgba(22,41,31,.78) 100%);
}
.hero__content { color: var(--cream); max-width: 820px; padding-block: var(--s-7) var(--s-8); }
.hero__title {
  font-size: clamp(40px, 7.4vw, 86px); line-height: 1.0; margin-bottom: var(--s-3);
  letter-spacing: -.01em; text-shadow: 0 2px 40px rgba(0,0,0,.35);
}
.hero__lead { font-size: clamp(17px, 2.3vw, 22px); max-width: 32em; color: #eef1e9; margin-bottom: var(--s-4); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-2); }

.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.85);
}
.hero__scroll-word { font-size: 11px; text-transform: uppercase; letter-spacing: .28em; }
.hero__scroll-dot {
  display: block; width: 26px; height: 44px; border: 2px solid rgba(255,255,255,.7); border-radius: 14px; position: relative;
}
.hero__scroll-dot::after {
  content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 9px; background: #fff;
  border-radius: 2px; transform: translateX(-50%); animation: scrollcue 1.7s var(--ease) infinite;
}
@keyframes scrollcue { 0% { opacity: 0; transform: translate(-50%,0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translate(-50%,13px); } 100% { opacity: 0; } }

/* ---------- о месте ---------- */
.place__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: var(--s-6); align-items: center; }
.place__text h2 { font-size: clamp(28px, 3.8vw, 42px); margin-bottom: var(--s-3); }
.place__text p { color: var(--ink-soft); }
.facts { list-style: none; display: grid; grid-template-columns: repeat(2, auto); gap: var(--s-3) var(--s-5); padding: 0; margin: var(--s-4) 0 0; }
.facts li { display: flex; flex-direction: column; }
.facts b { font-family: var(--serif); font-size: 40px; color: var(--moss); line-height: 1; }
.facts span { font-size: 14px; color: var(--muted); margin-top: 6px; }
.place__media { margin: 0; position: relative; }
.place__media img {
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  aspect-ratio: 3/2; object-fit: cover;
}
.place__media figcaption { font-size: 13px; color: var(--muted); margin-top: 12px; font-style: italic; }

/* ---------- где жить (lodges) ---------- */
.stay__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.lodge {
  background: var(--cream); border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column; color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.lodge:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.lodge__media { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.lodge__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s var(--ease); }
.lodge:hover .lodge__media img { transform: scale(1.07); }
.lodge__badge {
  position: absolute; top: 14px; left: 14px; background: rgba(22,41,31,.82); color: var(--cream);
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase; padding: 6px 13px; border-radius: var(--radius-pill);
  backdrop-filter: blur(3px);
}
.lodge__body { padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-2); flex: 1; }
.lodge__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-2); }
.lodge__head h3 { font-size: 23px; }
.lodge__price { font-family: var(--serif); font-size: 21px; color: var(--moss); margin: 0; white-space: nowrap; }
.lodge__price span { font-family: var(--sans); font-size: 13px; color: var(--muted); }
.lodge__body > p { color: var(--ink-soft); font-size: 15.5px; margin: 0; flex: 1; }
.lodge__feat { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 4px 0 0; }
.lodge__feat li {
  font-size: 12.5px; color: var(--moss-deep); background: rgba(63,107,79,.10);
  border-radius: var(--radius-pill); padding: 5px 12px;
}
.stay__note { text-align: center; color: #b6c6b9; max-width: 660px; margin: var(--s-5) auto 0; font-size: 15.5px; }

/* ---------- сезоны ---------- */
.seasons__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
.season {
  background: var(--cream); border-radius: var(--radius-lg); padding: var(--s-4);
  border-top: 4px solid var(--moss); position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.season:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.season--spring { border-top-color: #8fb56a; }
.season--summer { border-top-color: var(--sky); }
.season--autumn { border-top-color: #c98a3f; }
.season--winter { border-top-color: #9fb8c9; }
.season__tag { display: inline-block; font-size: 12.5px; letter-spacing: .04em; color: var(--muted); margin-bottom: var(--s-2); }
.season h3 { font-size: 22px; margin-bottom: 10px; }
.season p { color: var(--ink-soft); font-size: 15px; margin: 0; }

/* ---------- фото-полоса ---------- */
.strip {
  position: relative; background-size: cover; background-position: center;
  background-attachment: fixed; padding-block: var(--s-8); display: flex; align-items: center;
}
.strip__veil {
  position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(22,41,31,.82) 0%, rgba(22,41,31,.50) 100%);
}
.strip blockquote { position: relative; margin: 0; max-width: 900px; color: var(--cream); }
.strip blockquote p { font-family: var(--serif); font-size: clamp(24px, 3.8vw, 42px); line-height: 1.26; font-style: italic; }
.strip cite { display: block; margin-top: var(--s-3); font-style: normal; font-size: 15px; letter-spacing: .07em; color: #9ec7a8; }

/* ---------- форма брони ---------- */
.booking__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--s-6); align-items: center; }
.booking__text h2 { font-size: clamp(28px, 3.8vw, 42px); color: var(--cream); margin-bottom: var(--s-2); }
.booking__text p { color: #b6c6b9; }
.booking__perks { list-style: none; padding: 0; margin: var(--s-3) 0 0; display: grid; gap: 10px; }
.booking__perks li { position: relative; padding-left: 30px; color: #d2ddd2; font-size: 15.5px; }
.booking__perks li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 16px; height: 9px;
  border-left: 2px solid #9ec7a8; border-bottom: 2px solid #9ec7a8; transform: rotate(-45deg);
}

.subscribe {
  background: rgba(250,247,239,.06); border: 1px solid rgba(158,199,168,.28);
  border-radius: var(--radius-lg); padding: var(--s-4);
}
.subscribe__title { font-family: var(--serif); font-size: 21px; color: var(--cream); margin: 0 0 var(--s-3); }
.subscribe__field { position: relative; }
.subscribe input {
  width: 100%; min-width: 0; padding: 15px 18px; border-radius: var(--radius);
  border: 1px solid #3a5345; background: rgba(22,41,31,.55); color: #eef1e9; font-size: 16px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.subscribe input::placeholder { color: #87998b; }
.subscribe input:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 3px rgba(93,151,184,.30); }
.subscribe input.invalid { border-color: #d98a6a; box-shadow: 0 0 0 3px rgba(217,138,106,.28); }
.subscribe__name { margin-top: var(--s-2); }
.subscribe .btn { margin-top: var(--s-3); }
.subscribe__err { display: block; color: #f0b79e; font-size: 13px; margin-top: 8px; }
.subscribe__hint { font-size: 13px; color: #87998b; margin: var(--s-3) 0 0; }
.subscribe__ok {
  font-size: 15.5px; color: #abdcb4; margin: var(--s-3) 0 0;
  background: rgba(63,107,79,.22); border-radius: var(--radius); padding: 14px 16px;
}

/* ---------- отзывы ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.review {
  margin: 0; background: var(--cream); border-radius: var(--radius-lg); padding: var(--s-4);
  box-shadow: var(--shadow); border: 1px solid var(--line);
}
.review__stars { color: #d4a23f; letter-spacing: .12em; font-size: 15px; margin-bottom: var(--s-2); }
.review blockquote { margin: 0 0 var(--s-3); font-size: 16.5px; line-height: 1.6; color: var(--ink); }
.review figcaption { font-size: 14px; color: var(--muted); letter-spacing: .01em; }

/* ---------- как добраться ---------- */
.road__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s-6); align-items: center; }
.road__text h2 { font-size: clamp(28px, 3.8vw, 42px); margin-bottom: var(--s-3); }
.road__text > p { color: var(--ink-soft); }
.road__list { list-style: none; padding: 0; margin: var(--s-4) 0 0; display: grid; gap: var(--s-3); }
.road__list li { display: flex; gap: var(--s-3); align-items: flex-start; }
.road__icon {
  flex: none; width: 46px; height: 46px; display: grid; place-items: center;
  background: var(--sand-2); border-radius: var(--radius-pill); font-size: 22px;
}
.road__list b { font-family: var(--serif); font-size: 18px; display: block; margin-bottom: 2px; }
.road__list p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.road__media { margin: 0; position: relative; }
.road__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 3/2; object-fit: cover; }
.road__media figcaption { font-size: 13px; color: var(--muted); margin-top: 12px; font-style: italic; }

/* ---------- footer ---------- */
.site-footer { background: var(--forest-2); color: #b6c6b9; padding-top: var(--s-7); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: var(--s-5); padding-bottom: var(--s-6); }
.brand--light .brand__name { color: var(--cream); }
.brand--light { color: var(--cream); }
.brand--light .brand__mark { color: #9ec7a8; }
.footer__brand p { margin-top: var(--s-2); font-size: 15px; max-width: 32ch; color: #93a596; }
.footer__col h4 { font-family: var(--sans); text-transform: uppercase; letter-spacing: .15em; font-size: 12px; color: #7e9182; margin: 0 0 var(--s-2); }
.footer__col a, .footer__col p { display: block; font-size: 15px; color: #b6c6b9; margin: 0 0 8px; transition: color .2s var(--ease); }
.footer__col a:hover { color: #9ec7a8; }
.footer__social a { display: inline; }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--s-2);
  border-top: 1px solid #2a4032; padding-block: var(--s-3) var(--s-4); font-size: 14px; color: #7e9182;
}
.footer__bottom a:hover { color: #9ec7a8; }

/* ---------- reveal-анимация ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- адаптив ---------- */
@media (max-width: 1000px) {
  .place__grid, .booking__inner, .road__grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .booking__text { order: 1; }
  .road__media { order: -1; }
  .stay__grid { grid-template-columns: 1fr 1fr; }
  .stay__grid .lodge:last-child { grid-column: 1 / -1; }
  .seasons__grid { grid-template-columns: 1fr 1fr; }
  .reviews { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--s-4); }
  .strip { background-attachment: scroll; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding-block: var(--s-6); }
  .wrap { padding-inline: var(--s-3); }
  .hero { align-items: center; }
  .hero__content { padding-block: var(--s-6); }
  .nav-cta { display: none; }
  .burger { display: flex; }
  .nav {
    position: fixed; inset: 78px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--sand); border-bottom: 1px solid var(--line);
    padding: var(--s-2) var(--s-3) var(--s-3); transform: translateY(-135%);
    transition: transform .35s var(--ease); box-shadow: var(--shadow-lg); margin: 0;
  }
  .site-header.menu-open .nav { transform: translateY(0); }
  .site-header:not(.scrolled).menu-open { background: rgba(244,239,228,.97); backdrop-filter: blur(10px); }
  .site-header:not(.scrolled).menu-open .nav a,
  .site-header:not(.scrolled).menu-open .brand { color: var(--ink); }
  .site-header:not(.scrolled).menu-open .burger span { background: var(--ink); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav a:last-child { border-bottom: 0; }
  .nav a::after { display: none; }
  .site-header.menu-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.menu-open .burger span:nth-child(2) { opacity: 0; }
  .site-header.menu-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .stay__grid, .seasons__grid { grid-template-columns: 1fr; }
  .stay__grid .lodge:last-child { grid-column: auto; }
  .facts { gap: var(--s-3) var(--s-4); }
  .facts b { font-size: 32px; }
  .footer__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll-dot::after { animation: none; }
  .lodge:hover, .season:hover, .btn:hover { transform: none; }
  * { transition-duration: .01ms !important; }
}