/* ==========================================================================
   Мебельная мебель — Контракт B «Шампань-люкс» — дизайн-скетч (2 экрана)
   ДНК: standards/theme-bank/11-shampan-lyuks.md
   ========================================================================== */

/* ---- Шрифты (self-hosted, вариативные, кириллица+латиница) ---- */

@font-face {
  font-family: "Playfair Display";
  src: url("fonts/playfair-display-cyrillic-wght-normal.woff2") format("woff2-variations"),
       url("fonts/playfair-display-cyrillic-wght-normal.woff2") format("woff2");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F;
}
@font-face {
  font-family: "Playfair Display";
  src: url("fonts/playfair-display-latin-wght-normal.woff2") format("woff2-variations"),
       url("fonts/playfair-display-latin-wght-normal.woff2") format("woff2");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F;
}
@font-face {
  font-family: "Commissioner";
  src: url("fonts/commissioner-cyrillic-wght-normal.woff2") format("woff2-variations"),
       url("fonts/commissioner-cyrillic-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F;
}
@font-face {
  font-family: "Commissioner";
  src: url("fonts/commissioner-latin-wght-normal.woff2") format("woff2-variations"),
       url("fonts/commissioner-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F;
}

/* ---- Токены ---- */

:root {
  /* палитра — Tier 4, из мира клиента (см. манифест) */
  --color-bg: #15110D;
  --color-surface: #221B14;
  --color-walnut: #6B4A30;
  --color-gold: #C9A227;
  --color-gold-hover: #AB8A21;
  --color-ink: #F3EEE6;
  --color-ink-muted: #B8AC98;

  /* типографика */
  --font-display: "Playfair Display", "Georgia", serif;
  --font-body: "Commissioner", "Segoe UI", sans-serif;

  --step-kicker: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.333rem;
  --step-2: 1.777rem;
  --step-3: 2.369rem;
  --step-4: 3.158rem;
  --step-5: 4.210rem;
  --step-6: 5.610rem;

  /* сетка 8pt */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 128px;

  --container-max: 1360px;
  --edge: clamp(20px, 5vw, 96px);

  --ease-reveal: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-reveal: 500ms;
  --dur-fast: 200ms;

  color-scheme: dark;
}

/* ---- Сброс / база ---- */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--step-0);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
}

p { margin: 0; }

ul { list-style: none; margin: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-gold);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  z-index: 200;
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  left: var(--space-3);
  top: var(--space-3);
}

/* ---- Общие элементы ---- */

.kicker {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--step-kicker);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin: 0 0 var(--space-4);
}

.kicker__rule {
  display: inline-block;
  width: 40px;
  height: 2px;
  background: var(--color-gold);
  flex: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--step-0);
  letter-spacing: 0.02em;
  padding: var(--space-3) var(--space-5);
  border-radius: 4px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) ease, box-shadow var(--dur-fast) ease, background-color var(--dur-fast) ease;
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-bg);
}
.btn--gold:hover,
.btn--gold:focus-visible {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(201, 162, 39, 0.45);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: rgba(243, 238, 230, 0.28);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--ghost-gold {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
  padding: var(--space-2) var(--space-4);
}
.btn--ghost-gold:hover,
.btn--ghost-gold:focus-visible {
  background: var(--color-gold);
  color: var(--color-bg);
}

/* ---- Шапка ---- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: linear-gradient(to bottom, rgba(21, 17, 13, 0.72), rgba(21, 17, 13, 0));
  padding: var(--space-4) 0;
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
}

.site-nav { display: none; }

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
  .site-nav__list {
    display: flex;
    gap: var(--space-5);
    font-size: var(--step-0);
  }
  .site-nav__list a {
    text-decoration: none;
    color: var(--color-ink);
    padding-bottom: var(--space-1);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur-fast) ease, color var(--dur-fast) ease;
  }
  .site-nav__list a:hover,
  .site-nav__list a:focus-visible {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
  }
  .site-nav__cta { padding: var(--space-2) var(--space-4); font-size: var(--step-kicker); }
}

/* ---- Бургер ---- */

.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(243, 238, 230, 0.28);
  border-radius: 4px;
  cursor: pointer;
}
.burger__line {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-ink);
  transition: transform var(--dur-fast) ease, opacity var(--dur-fast) ease;
}
.burger[aria-expanded="true"] .burger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__line:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1024px) {
  .burger { display: none; }
}

/* ---- Мобильная панель ---- */

.mobile-panel {
  position: fixed;
  inset: 0;
  z-index: 150;
}
.mobile-panel[hidden] { display: none; }

.mobile-panel__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(21, 17, 13, 0.72);
  backdrop-filter: blur(6px);
}

.mobile-panel__sheet {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(88vw, 400px);
  height: 100%;
  background: var(--color-bg);
  border-left: 1px solid rgba(201, 162, 39, 0.2);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
}

.mobile-panel__close {
  align-self: flex-end;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid rgba(243, 238, 230, 0.28);
  background: transparent;
  color: var(--color-ink);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.mobile-panel__list {
  margin-top: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-panel__list a {
  font-family: var(--font-display);
  font-size: var(--step-2);
  color: var(--color-ink);
  text-decoration: none;
}
.mobile-panel__list a:hover,
.mobile-panel__list a:focus-visible { color: var(--color-gold); }

.mobile-panel__cta {
  margin-top: auto;
  width: 100%;
}

@media (min-width: 1024px) {
  .mobile-panel { display: none !important; }
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: var(--space-9) var(--edge) var(--space-8);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(21, 17, 13, 0.94) 0%,
    rgba(21, 17, 13, 0.72) 30%,
    rgba(21, 17, 13, 0.38) 45%,
    rgba(21, 17, 13, 0.12) 68%,
    rgba(21, 17, 13, 0.35) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__title {
  font-size: clamp(var(--step-3), 6vw + 1rem, var(--step-6));
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

.hero__lead {
  font-size: var(--step-1);
  color: var(--color-ink-muted);
  max-width: 52ch;
  margin-bottom: var(--space-5);
}

.hero__caption {
  position: absolute;
  z-index: 1;
  right: var(--edge);
  bottom: var(--space-3);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  opacity: 0.8;
}

/* ---- Показательный раздел ---- */

.showcase {
  background: var(--color-surface);
  padding: var(--space-9) var(--edge);
}

.showcase__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.showcase__media {
  margin: 0;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 32px 64px -24px rgba(21, 17, 13, 0.65);
}
.showcase__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: sepia(0.18) saturate(1.05) brightness(0.92);
}
.showcase__caption {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  font-size: 0.75rem;
  color: var(--color-ink);
  background: rgba(21, 17, 13, 0.6);
  padding: var(--space-1) var(--space-2);
  border-radius: 2px;
}

.showcase__title {
  font-size: clamp(var(--step-3), 3vw + 1rem, var(--step-4));
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

.showcase__lead {
  font-size: var(--step-0);
  color: var(--color-ink-muted);
  max-width: 62ch;
  margin-bottom: var(--space-5);
}

.stat-pair {
  display: flex;
  gap: var(--space-7);
  margin: 0 0 var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(201, 162, 39, 0.24);
}
.stat-pair__item dt {
  font-size: var(--step-kicker);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
}
.stat-pair__item dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  color: var(--color-gold);
}

@media (min-width: 900px) {
  .showcase__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: var(--space-8);
  }
}

/* ---- Подвал ---- */

.site-footer {
  background: var(--color-bg);
  border-top: 1px solid rgba(201, 162, 39, 0.16);
  padding: var(--space-8) var(--edge) var(--space-5);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.site-footer__logo {
  font-family: var(--font-display);
  font-size: var(--step-2);
  margin: 0 0 var(--space-2);
}
.site-footer__tagline {
  color: var(--color-ink-muted);
  font-size: var(--step-kicker);
}

.site-footer__note {
  margin-top: var(--space-3);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  max-width: 42ch;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}
.site-footer__nav a {
  text-decoration: none;
  color: var(--color-ink-muted);
  font-size: var(--step-0);
}
.site-footer__nav a:hover,
.site-footer__nav a:focus-visible { color: var(--color-gold); }

.site-footer__legal {
  max-width: var(--container-max);
  margin: var(--space-6) auto 0;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(243, 238, 230, 0.1);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* ---- Reveal (единая система — один момент движения, house-style §«Движение») ---- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.is-visible,
.reveal--load {
  animation: fadeUp var(--dur-reveal) var(--ease-reveal) forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@supports (animation-timeline: view()) {
  .showcase .reveal {
    animation: fadeUp var(--dur-reveal) var(--ease-reveal) both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }
}

/* нативные межстраничные переходы — токен для полного многостраничного сайта (см. манифест) */
@view-transition {
  navigation: auto;
}

/* ---- Доступность движения (пол house-style — обязателен при любой планке) ---- */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--load {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .btn,
  .burger__line,
  .site-nav__list a {
    transition: none !important;
  }
}

/* ---- Формы (native-select — на будущее, не используется в этом скетче) ---- */

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}