/* style.css — оформление юбилейного спецпроекта «120 лет С. А. Герасимову».
   Палитра и пластика построены на основе референса «Герасимов-04.jpg»:
   тёплая песочная база, золотистые, бордовые, винно-красные и коричневые оттенки. */

:root {
  /* ——— Цветовая палитра (по референсу) ——— */
  --color-bg: #f3ead9;            /* тёплая светлая база (фон) */
  --color-bg-2: #efe3cd;          /* чуть глубже — секции-чередование */
  --color-paper: #faf4e8;         /* «бумага» карточек */
  --color-ink: #2c2117;           /* основной тёмно-коричневый текст */
  --color-ink-soft: #5b4a39;      /* приглушённый текст */
  --color-ink-faint: #93826b;     /* очень мягкий текст / подписи */
  --color-sand: #c9a85f;          /* песочно-золотой */
  --color-gold: #b8862f;          /* золото для акцентов и линий */
  --color-gold-deep: #9a6b1f;     /* тёмное золото */
  --color-wine: #7a2029;          /* винно-красный (заголовки-акценты) */
  --color-bordo: #5e1c22;         /* бордовый (глубокий) */
  --color-brown: #6f4a2a;         /* коричневый */
  --color-line: #d8c39a;          /* тонкие декоративные линии */
  --color-border: #ddccaa;        /* границы карточек */

  /* ——— Типографика ——— */
  --font-display: 'PT Serif', 'Times New Roman', Georgia, serif;
  --font-narrow: 'PT Sans Narrow', 'PT Sans', 'Arial Narrow', sans-serif;
  --font-body: 'PT Sans', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

  --text-xs: clamp(0.78rem, 0.74rem + 0.2vw, 0.85rem);
  --text-sm: clamp(0.88rem, 0.84rem + 0.25vw, 0.96rem);
  --text-base: clamp(1rem, 0.96rem + 0.3vw, 1.12rem);
  --text-lg: clamp(1.18rem, 1rem + 0.7vw, 1.45rem);
  --text-xl: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  --text-2xl: clamp(2.1rem, 1.4rem + 3vw, 3.4rem);
  --text-3xl: clamp(2.6rem, 1.2rem + 6vw, 5.5rem);
  --text-hero: clamp(3.2rem, 1rem + 11vw, 9rem);

  /* ——— Сетка / ритм ——— */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --wrap: 1180px;
  --wrap-narrow: 820px;
  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(70, 45, 20, 0.05), 0 10px 28px rgba(70, 45, 20, 0.08);
  --shadow-soft: 0 8px 24px rgba(70, 45, 20, 0.07);
}

/* ====================== Утилиты раскладки ====================== */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 7rem);
  position: relative;
}
.section--alt {
  background-color: var(--color-bg-2);
}

.eyebrow {
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gold-deep);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-2xl);
  color: var(--color-wine);
  margin-bottom: var(--space-6);
  letter-spacing: 0.01em;
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
  max-width: 62ch;
}

/* Декоративный разделитель: тонкая линия с точкой (киноплёночный мотив) */
.divider {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0 auto;
  max-width: var(--wrap);
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}
.divider::before,
.divider::after {
  content: '';
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, transparent, var(--color-line), transparent);
}
.divider span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-wine);
  flex: none;
}

/* ====================== Шапка / навигация ====================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(243, 234, 217, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(184, 134, 47, 0.28);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--color-ink);
}
.brand__logo {
  width: auto;
  height: 46px;
  flex: none;
  display: block;
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand__text b {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.brand__text small {
  font-family: var(--font-narrow);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1.6rem);
}
.nav a {
  font-family: var(--font-narrow);
  font-size: 1.02rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink-soft);
  padding: 0.4rem 0.2rem;
  border-bottom: 2px solid transparent;
}
.nav a:hover,
.nav a:focus-visible {
  color: var(--color-wine);
}
.nav a[aria-current='true'] {
  color: var(--color-wine);
  border-bottom-color: var(--color-gold);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-wine);
}

/* ====================== Hero ====================== */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 700px at 78% 42%, rgba(201, 168, 95, 0.5), transparent 62%),
    linear-gradient(160deg, #f6eeddff 0%, #efe2c9 100%);
  border-bottom: 1px solid rgba(184, 134, 47, 0.25);
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: stretch;
  min-height: auto;
  padding-block: clamp(2.25rem, 4vw, 3.75rem) clamp(2.75rem, 5vw, 4.5rem);
}
.hero__content {
  position: relative;
  z-index: 2;
}
.hero__jubilee {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-display);
  color: var(--color-gold-deep);
  margin-bottom: var(--space-4);
}
.hero__jubilee b {
  font-size: clamp(2.6rem, 1.5rem + 4vw, 4.2rem);
  line-height: 1;
  color: var(--color-gold);
}
.hero__jubilee span {
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-wine);
}
.hero h1 {
  font-size: var(--text-2xl);
  color: var(--color-wine);
  line-height: 1.04;
  letter-spacing: 0.005em;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: manual;
}
.hero h1 .yrs {
  display: block;
  font-family: var(--font-narrow);
  font-weight: 400;
  font-size: clamp(1.1rem, 0.8rem + 1.2vw, 1.6rem);
  letter-spacing: 0.3em;
  color: var(--color-gold-deep);
  margin-top: 0.6rem;
}
.hero__titles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.7rem;
  margin-top: var(--space-6);
}
.tag {
  font-family: var(--font-narrow);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brown);
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  padding: 0.32rem 0.9rem;
  background: rgba(250, 244, 232, 0.6);
}
.hero__quote {
  margin-top: var(--space-6);
  padding-left: 1.1rem;
  border-left: 3px solid var(--color-gold);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-ink);
  max-width: 44ch;
}
.hero__quote cite {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-narrow);
  font-style: normal;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}
.hero__lead {
  margin-top: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  max-width: 50ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-narrow);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  border: 1.5px solid var(--color-wine);
}
.btn--primary {
  background: var(--color-wine);
  color: #f8efe0;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-bordo);
}
.btn--ghost {
  color: var(--color-wine);
  background: transparent;
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(122, 32, 41, 0.08);
}

/* Портрет */
.hero__figure {
  position: relative;
  z-index: 1;
  align-self: stretch;
  display: block;
  min-height: 0;
}
.hero__portrait {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  object-fit: cover;
  object-position: 50% 18%;
}

/* декоративные «киноплёночные» кольца на фоне hero */
.hero__rings {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  color: var(--color-gold);
}

/* ====================== Биография ====================== */
.bio__top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.bio-nav {
  position: sticky;
  top: 6rem;
}
.bio-nav h3 {
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: var(--text-sm);
  color: var(--color-gold-deep);
  margin-bottom: var(--space-4);
}
.bio-nav ol {
  list-style: none;
  counter-reset: bn;
}
.bio-nav li {
  counter-increment: bn;
  margin-bottom: 0.15rem;
}
.bio-nav a {
  display: flex;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border-left: 2px solid transparent;
  line-height: 1.3;
}
.bio-nav a::before {
  content: counter(bn, decimal-leading-zero);
  font-family: var(--font-narrow);
  color: var(--color-gold);
  font-size: 0.82rem;
}
.bio-nav a:hover,
.bio-nav a:focus-visible {
  color: var(--color-wine);
  background: rgba(184, 134, 47, 0.1);
}
.bio-nav a[aria-current='true'] {
  color: var(--color-wine);
  border-left-color: var(--color-wine);
  background: rgba(184, 134, 47, 0.14);
}

.bio-period {
  scroll-margin-top: 6rem;
  padding-block: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--color-line);
}
.bio-period:last-child {
  border-bottom: none;
}
.bio-period__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1rem;
  margin-bottom: var(--space-4);
}
.bio-period__head h3 {
  font-size: var(--text-xl);
  color: var(--color-ink);
}
.bio-period__years {
  font-family: var(--font-narrow);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--color-gold-deep);
  background: rgba(184, 134, 47, 0.12);
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  padding: 0.18rem 0.8rem;
}
.bio-period p {
  margin-bottom: var(--space-4);
  max-width: 68ch;
  color: var(--color-ink);
}
.bio-period p:last-child {
  margin-bottom: 0;
}
.pullquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  border-left: 3px solid var(--color-gold);
  background: rgba(250, 244, 232, 0.7);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-bordo);
  max-width: 60ch;
}

/* список учеников */
.pupils {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-4);
}
.pupils span {
  font-family: var(--font-narrow);
  font-size: 0.98rem;
  letter-spacing: 0.03em;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.3rem 0.75rem;
  color: var(--color-brown);
}

/* ====================== Фильмография ====================== */
.filmo__intro {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}
.filmo-list {
  list-style: none;
  columns: 2;
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
}
.filmo-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: clamp(0.6rem, 1.4vw, 1.2rem);
  align-items: baseline;
  padding: 0.62rem 0.3rem;
  border-bottom: 1px solid var(--color-line);
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
}
.filmo-list .filmo-row:first-child {
  border-top: 1px solid var(--color-line);
}
.filmo-row:hover {
  background: rgba(184, 134, 47, 0.07);
}
.filmo-row .yr {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-gold-deep);
  white-space: nowrap;
}
.filmo-row .ttl {
  font-size: var(--text-base);
  color: var(--color-ink);
  font-weight: 700;
}
.filmo-row .ttl em {
  font-weight: 400;
  font-style: normal;
  color: var(--color-ink-soft);
  font-size: 0.95em;
}
.filmo-row .role {
  font-family: var(--font-narrow);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-wine);
  text-align: right;
  white-space: nowrap;
}
.filmo-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.filmo-tabs button {
  font-family: var(--font-narrow);
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1.5px solid var(--color-gold);
  color: var(--color-brown);
}
.filmo-tabs button[aria-pressed='true'] {
  background: var(--color-wine);
  border-color: var(--color-wine);
  color: #f8efe0;
}
.filmo-row.is-hidden {
  display: none;
}

/* ====================== Юбилейные события ====================== */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1.2rem, 2.5vw, 2rem);
}
.event-card {
  display: flex;
  flex-direction: column;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-card);
}
.event-card:hover,
.event-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-gold);
}
.event-card__cover {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-sand), var(--color-brown));
}
.event-card__cover svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.event-card__cover-img {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.001);
  transition: transform 0.5s ease;
}
.event-card:hover .event-card__cover-img,
.event-card:focus-visible .event-card__cover-img {
  transform: scale(1.05);
}
.event-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.event-card__date {
  font-family: var(--font-narrow);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold-deep);
  margin-bottom: 0.5rem;
}
.event-card__title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-wine);
  margin-bottom: 0.6rem;
}
.event-card__desc {
  font-size: 0.96rem;
  color: var(--color-ink-soft);
  flex: 1;
}
.event-card__more {
  margin-top: var(--space-4);
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-wine);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.event-card:hover .event-card__more {
  gap: 0.7rem;
}

/* ====================== Подвал ====================== */
.footer {
  background: var(--color-ink);
  color: #e7d8bf;
  padding-block: var(--space-16) var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.footer .brand__text b {
  color: #f0e2c8;
}
.footer .brand__text small {
  color: #b9a584;
}
.footer .brand__logo {
  height: 52px;
}
.footer p {
  color: #c9b692;
  max-width: 52ch;
  margin-top: var(--space-4);
  font-size: 0.98rem;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer__links a {
  color: #d9c7a4;
  text-decoration: none;
  font-family: var(--font-narrow);
  letter-spacing: 0.05em;
}
.footer__links a:hover {
  color: #fff;
}
.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(201, 168, 95, 0.25);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.85rem;
  color: #a3906e;
}

/* кнопка «наверх» */
.to-top {
  position: fixed;
  right: 1.3rem;
  bottom: 1.3rem;
  z-index: 40;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-wine);
  color: #f6ecdb;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover {
  background: var(--color-bordo);
}

/* появление при прокрутке */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ====================== Адаптивность ====================== */
@media (max-width: 920px) {
  .hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
    text-align: left;
  }
  .hero__figure {
    order: -1;
    max-width: 340px;
    margin-inline: auto;
    align-self: center;
  }
  .hero__portrait {
    width: 100%;
    height: auto;
    min-height: 0;
  }
  .bio__top {
    grid-template-columns: 1fr;
  }
  .bio-nav {
    position: static;
    margin-bottom: var(--space-8);
    padding: var(--space-4);
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
  }
  .bio-nav ol {
    columns: 2;
    column-gap: 1.2rem;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 4.5rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    padding: var(--space-2) var(--space-4) var(--space-4);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav.is-open {
    transform: translateY(0);
  }
  .nav a {
    padding: 0.85rem 0.4rem;
    border-bottom: 1px solid var(--color-line);
  }
  .nav a[aria-current='true'] {
    border-bottom-color: var(--color-line);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .filmo-list {
    columns: 1;
  }
  .filmo-row {
    grid-template-columns: 64px 1fr;
  }
  .filmo-row .role {
    grid-column: 2;
    text-align: left;
    white-space: normal;
  }
  .bio-nav ol {
    columns: 1;
  }
}