/* Müze Acıbadem — Rahmi Koç tarzı sade tasarım */

:root {
  --color-primary: #1a1a1a;
  --color-accent: #b8922a;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f5f5;
  --color-text: #333333;
  --color-text-muted: #777777;
  --color-border: #e8e8e8;
  --color-footer-bg: #1a1a1a;
  --color-footer-text: rgba(255, 255, 255, 0.75);
  --color-shadow: rgba(0, 0, 0, 0.08);
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", system-ui, sans-serif;
  --transition: 0.25s ease;
}

[data-theme="dark"] {
  --color-primary: #f0f0f0;
  --color-accent: #d4ad4a;
  --color-bg: #141414;
  --color-bg-soft: #1e1e1e;
  --color-text: #e8e8e8;
  --color-text-muted: #999999;
  --color-border: #2e2e2e;
  --color-footer-bg: #0a0a0a;
  --color-footer-text: rgba(255, 255, 255, 0.7);
  --color-shadow: rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

[data-theme="dark"] {
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ── */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-header .container {
  position: relative;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
}

.logo { display: flex; align-items: center; flex-shrink: 0; }

.logo__img {
  height: 92px;
  width: auto;
  max-width: 360px;
  object-fit: contain;
  border-radius: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.main-nav a:hover,
.main-nav a.active,
.nav-dropdown__toggle:hover,
.nav-dropdown__toggle.active { color: var(--color-accent); }

/* ── Nav Dropdown ── */
.nav-dropdown { position: relative; }

.nav-dropdown__toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  padding: 4px 0;
}

.nav-dropdown__icon {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.nav-dropdown.open .nav-dropdown__icon { transform: rotate(180deg); }

.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 240px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 24px var(--color-shadow);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 200;
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown.open .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--color-text);
}

.nav-dropdown__menu a:hover,
.nav-dropdown__menu a.active {
  background: var(--color-bg-soft);
  color: var(--color-accent);
}

a.card {
  display: block;
  color: inherit;
}

/* ── Detail Page ── */
.detail-back {
  display: inline-block;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.detail-back:hover { color: var(--color-accent); }

.detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

.detail-layout__media {
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.detail-layout__media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.detail-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 12px;
}

.detail-summary {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.detail-meta {
  display: grid;
  gap: 12px;
}

.detail-meta__item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.detail-meta__label { color: var(--color-text-muted); }

.detail-body {
  max-width: 760px;
  padding-top: 8px;
}

.detail-body h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.detail-body p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.detail-empty {
  padding: 48px 0;
  color: var(--color-text-muted);
}

/* ── Eser Detay ── */
.eser-detail__nav {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}

.eser-detail__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.eser-detail__breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.eser-detail__breadcrumb a:hover {
  color: var(--color-accent);
}

.eser-detail__breadcrumb span:last-child {
  color: var(--color-text);
  font-weight: 500;
}

.eser-detail__hero {
  padding-top: 48px;
  padding-bottom: 32px;
}

.eser-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.eser-detail__figure {
  margin: 0;
  position: relative;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 48px var(--color-shadow);
}

.eser-detail__figure::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(184, 146, 42, 0.25);
  pointer-events: none;
}

.eser-detail__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.eser-detail__intro {
  padding: 8px 0;
}

.eser-detail__year {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.eser-detail__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 20px;
}

.eser-detail__lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 42ch;
}

.eser-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.eser-detail__back:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-bg-soft);
}

.eser-detail__story {
  padding-top: 0;
  padding-bottom: 64px;
}

.eser-detail__prose {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.eser-detail__prose h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.eser-detail__prose p,
.eser-detail__prose li {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.eser-detail__prose p + p {
  margin-top: 1em;
}

.eser-detail__related {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  padding-top: 56px;
  padding-bottom: 72px;
}

.eser-detail__related-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.eser-detail__related-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
}

.eser-detail__related-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eser-detail__related-link:hover {
  text-decoration: underline;
}

/* ── İçerik Sayfası (sayfa, hakkımızda) ── */
.content-page__nav {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}

.content-page__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.content-page__breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.content-page__breadcrumb a:hover {
  color: var(--color-accent);
}

.content-page__breadcrumb span:last-child {
  color: var(--color-text);
  font-weight: 500;
}

.content-page__header {
  padding: 48px 0 32px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.content-page__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.content-page__lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 auto;
}

.content-page__media {
  padding: 48px 0 0;
}

.content-page__figure {
  margin: 0 auto;
  max-width: 960px;
  position: relative;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 40px var(--color-shadow);
  overflow: hidden;
}

.content-page__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.content-page__body {
  padding: 56px 0 80px;
  background: var(--color-bg-soft);
}

.content-page__prose-card {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 52px) clamp(28px, 4vw, 56px);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 40px var(--color-shadow);
}

.content-page__prose {
  margin: 0;
}

.content-page__prose > *:first-child {
  margin-top: 0;
}

.content-page__prose p,
.content-page__prose li {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.content-page__prose p + p {
  margin-top: 1.25em;
}

.content-page__prose p:first-child::first-letter {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 0.9;
  float: left;
  margin: 0.08em 0.12em 0 0;
  color: var(--color-accent);
}

.content-page__prose p:last-child {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: right;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.content-page__prose h2,
.content-page__prose h3,
.content-page__prose h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

.content-page__prose h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.content-page__prose h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.75rem;
}

.content-page__prose ul,
.content-page__prose ol {
  margin: 1em 0;
  padding-left: 1.25rem;
}

.content-page__prose li + li {
  margin-top: 0.5em;
}

.content-page__prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.content-page__prose img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
}

.content-page__prose blockquote {
  margin: 2rem 0;
  padding: 24px 28px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-soft);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-text);
}

.content-page__header--inline {
  padding: 0;
  border: none;
  text-align: left;
}

.content-page__hero-wrap {
  padding-bottom: 0;
}

.content-page__hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
  padding: 48px 0 32px;
}

.content-page__hero .content-page__title {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.content-page__hero .content-page__lead {
  max-width: none;
  margin: 0;
}

/* ── Founder Message ── */
.founder-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.founder-photo {
  aspect-ratio: 3/4;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.founder-content p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.founder-signature {
  margin-top: 24px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.founder-role {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ── Board Grid ── */
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.board-card {
  border: 1px solid var(--color-border);
  padding: 24px;
  text-align: center;
  transition: box-shadow var(--transition);
}

.board-card:hover { box-shadow: 0 4px 20px var(--color-shadow); }

.board-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  background: var(--color-bg-soft);
}

.board-card__name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.board-card__role {
  font-size: 13px;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  margin: -12px -12px -12px 0;
  min-width: 44px;
  min-height: 44px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 0;
  flex-shrink: 0;
  transition: background-color 0.3s ease;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle__moon { display: none; }

[data-theme="dark"] .theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__moon { display: block; }

/* ── Hero ── */
.hero {
  position: relative;
  height: 75vh;
  min-height: 460px;
  max-height: 700px;
  overflow: hidden;
}

.hero__slides { height: 100%; position: relative; }

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
}

.hero__slide.active { opacity: 1; }

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 55%);
}

.hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 40px 20px 56px;
  max-width: 1200px;
  margin: 0 auto;
  color: #fff;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero__link {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
}

.hero__link:hover { color: #fff; border-color: #fff; }

.hero__dots {
  position: absolute;
  bottom: 24px;
  right: 20px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.hero__dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  padding: 0;
}

.hero__dot::before {
  content: "";
  position: absolute;
  inset: -8px;
}

.hero__dot.active { background: var(--color-accent); }

/* ── Announcement ── */
.announcement {
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 20px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
}

.announcement strong { color: var(--color-text); font-weight: 600; }

/* ── Feature Tiles (Keşfet) ── */
.feature-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.feature-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.feature-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-item:hover img { transform: scale(1.04); }

.feature-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 55%);
}

.feature-item__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px;
  z-index: 2;
  color: #fff;
}

.feature-item__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-item__link {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ── Section ── */
.section { padding: 64px 0; }

.section__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 32px;
}

.section__title--center { text-align: center; }

/* ── Visit Cards (görselli) ── */
.visit-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.visit-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 2px;
}

.visit-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.visit-card:hover img { transform: scale(1.04); }

.visit-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
}

.visit-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  z-index: 2;
  color: #fff;
}

.visit-card__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.75;
  margin-bottom: 6px;
}

.visit-card__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.visit-card__btn {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ── Page Header ── */
.page-header {
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
  text-align: center;
}

.page-header__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin-bottom: 8px;
}

.page-header__desc {
  color: var(--color-text-muted);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto;
}

/* ── Cards Grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), background-color 0.3s ease, border-color 0.3s ease;
}

.card:hover { box-shadow: 0 4px 20px var(--color-shadow); }

.card__image { aspect-ratio: 16/10; overflow: hidden; }

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card__image img { transform: scale(1.03); }

.card__body { padding: 20px; }

.card__tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.card__text {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ── Filters ── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 10px 18px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  min-height: 44px;
}

a.filter-btn {
  text-decoration: none;
  display: inline-block;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* ── Timeline ── */
.timeline {
  max-width: 680px;
  margin: 0 auto;
}

.timeline__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-bottom: 36px;
  border-left: 2px solid var(--color-border);
  margin-left: 40px;
  padding-left: 32px;
  position: relative;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
}

.timeline__year {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
}

.timeline__title {
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline__text {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ── Kronoloji (geniş içerik) ── */
.chrono {
  max-width: 820px;
  margin: 0 auto;
}

.chrono__main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.02em;
  margin-bottom: 48px;
  line-height: 1.35;
}

.chrono-era {
  position: relative;
  padding-left: 32px;
  margin-left: 20px;
  border-left: 2px solid var(--color-border);
  padding-bottom: 40px;
}

.chrono-era:last-child {
  padding-bottom: 0;
}

.chrono-era::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-bg);
}

.chrono-era__head {
  margin-bottom: 16px;
}

.chrono-era__year {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.chrono-era__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 4px;
  line-height: 1.3;
}

.chrono-era__period {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
}

.chrono-era__super {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 16px;
}

.chrono-list {
  margin: 0 0 12px;
  padding-left: 1.25rem;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text);
}

.chrono-list li + li {
  margin-top: 6px;
}

.chrono-list--plain {
  list-style: none;
  padding-left: 0;
}

.chrono-sub {
  margin-top: 20px;
}

.chrono-sub__title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 10px;
}

.chrono-sub__items {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.chrono-sub__items li + li {
  margin-top: 4px;
}

.chrono-note {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 8px 0 0;
  line-height: 1.55;
}

.chrono-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.chrono-card {
  padding: 16px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}

.chrono-card__title {
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 8px;
}

.chrono-quote {
  margin-top: 48px;
  padding: 28px 32px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-soft);
}

.chrono-quote p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.65;
  margin: 0;
  font-style: italic;
}

.chrono-quote cite {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  font-style: normal;
  color: var(--color-text-muted);
}

/* ── Info Grid ── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.info-block__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.info-block p,
.info-block li {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.info-block ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

/* ── Footer ── */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 56px 0 24px;
  transition: background-color 0.3s ease;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo__img {
  height: 160px;
  max-width: 460px;
  margin-bottom: 20px;
}

.footer-col__title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.footer-col p,
.footer-col > a:not(.social-icons__link) {
  display: block;
  font-size: 14px;
  padding: 4px 0;
  line-height: 1.7;
}

.footer-col a:hover { color: var(--color-accent); }

.social-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.footer-col .social-icons__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  line-height: 1;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: #ffffff;
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition), background-color var(--transition), transform var(--transition);
}

.footer-col .social-icons__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(184, 146, 42, 0.12);
  transform: translateY(-2px);
}

.footer-col .social-icons__link svg {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  opacity: 0.5;
}

.social-links { display: flex; gap: 20px; }
.social-links a:hover { color: var(--color-accent); opacity: 1; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .feature-row,
  .visit-cards { grid-template-columns: 1fr; }

  .visit-card { aspect-ratio: 16/9; }

  .info-grid,
  .detail-layout,
  .founder-layout,
  .eser-detail__grid { grid-template-columns: 1fr; }

  .eser-detail__figure img { aspect-ratio: 16 / 10; }

  .eser-detail__lead { max-width: none; }

  .eser-detail__hero { padding-top: 32px; padding-bottom: 24px; }

  .eser-detail__story { padding-bottom: 48px; }

  .eser-detail__related { padding-top: 40px; padding-bottom: 56px; }

  .content-page__hero { grid-template-columns: 1fr; }

  .content-page__header { padding: 36px 0 24px; }

  .content-page__header--inline { text-align: center; }

  .content-page__body { padding: 40px 0 56px; }

  .content-page__media { padding-top: 32px; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .section { padding: 48px 0; }
}

@media (max-width: 640px) {
  body { overflow-x: hidden; }

  .container { padding: 0 16px; }

  .site-header {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .site-header .container { padding: 8px 16px; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px 20px 20px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px var(--color-shadow);
  }

  .main-nav.open {
    display: flex;
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .nav-dropdown:hover .nav-dropdown__menu {
    opacity: 0;
    visibility: hidden;
    transform: none;
  }

  .nav-dropdown.open .nav-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .main-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
  }

  .nav-dropdown { width: 100%; }

  .nav-dropdown__toggle {
    width: 100%;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-dropdown__menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    display: none;
    min-width: 0;
  }

  .nav-dropdown.open .nav-dropdown__menu { display: block; }

  .nav-dropdown__menu a {
    padding: 12px 0 12px 16px;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
  }

  .detail-layout,
  .founder-layout {
    grid-template-columns: 1fr;
  }

  .founder-photo { max-width: 280px; }

  .nav-toggle { display: flex; align-items: center; justify-content: center; }

  .hero {
    height: 55vh;
    min-height: 320px;
    max-height: none;
  }

  .hero__content {
    padding: 24px 20px 48px;
  }

  .hero__title {
    font-size: 1.5rem;
    margin-bottom: 14px;
  }

  .hero__dots {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    bottom: 16px;
  }

  .announcement {
    font-size: 13px;
    padding: 12px 16px;
    text-align: left;
  }

  .feature-item__content { padding: 20px 16px; }

  .feature-item__title { font-size: 1.15rem; }

  .section { padding: 40px 0; }

  .section__title { font-size: 1.4rem; margin-bottom: 24px; }

  .page-header { padding: 36px 0; }

  .cards-grid { grid-template-columns: 1fr; }

  .filters {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filters::-webkit-scrollbar { display: none; }

  .filter-btn { flex-shrink: 0; }

  .timeline { margin-left: 0; }

  .timeline__item {
    grid-template-columns: 1fr;
    gap: 4px;
    margin-left: 16px;
    padding-left: 24px;
    padding-bottom: 28px;
  }

  .timeline__year { font-size: 1.1rem; }

  .chrono { margin-left: 0; }

  .chrono-era {
    margin-left: 12px;
    padding-left: 24px;
  }

  .chrono-grid { grid-template-columns: 1fr; }

  .chrono-quote { padding: 20px; }

  .info-grid,
  .footer-grid { grid-template-columns: 1fr; }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .social-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .logo__img { height: 64px; max-width: 260px; }

  .footer-brand .logo__img {
    height: 105px;
    max-width: 320px;
  }

  .footer-grid { gap: 28px; }

  .footer-brand,
  .footer-col { text-align: center; }

  .footer-brand .logo { justify-content: center; }

  .footer-col .social-icons { justify-content: center; }

  .eser-detail__hero { padding-top: 20px; padding-bottom: 16px; }

  .eser-detail__breadcrumb { font-size: 12px; gap: 4px; }

  .eser-detail__intro { padding: 12px 0 0; }

  .eser-detail__year {
    font-size: 1.2rem;
    margin-bottom: 10px;
    padding-bottom: 8px;
  }

  .eser-detail__title { font-size: 1.6rem; margin-bottom: 14px; }

  .eser-detail__lead {
    font-size: 0.98rem;
    margin-bottom: 20px;
    line-height: 1.7;
  }

  .eser-detail__back {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }

  .eser-detail__figure::after { inset: 8px; }

  .eser-detail__prose { padding-top: 28px; }

  .eser-detail__prose h2 { font-size: 1.25rem; }

  .eser-detail__prose p,
  .eser-detail__prose li { font-size: 0.98rem; line-height: 1.75; }

  .eser-detail__related-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
  }

  .eser-detail__related-title { font-size: 1.3rem; }

  .eser-detail__related-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .content-page__nav { padding: 12px 0; }

  .content-page__breadcrumb { font-size: 12px; gap: 4px; }

  .content-page__header { padding: 28px 0 20px; }

  .content-page__title {
    font-size: 1.6rem;
    max-width: none;
    margin-bottom: 12px;
  }

  .content-page__lead { font-size: 0.98rem; line-height: 1.7; }

  .content-page__body { padding: 32px 0 48px; }

  .content-page__prose-card {
    padding: 24px 18px;
    box-shadow: 0 8px 24px var(--color-shadow);
  }

  .content-page__prose p:first-child::first-letter {
    font-size: 2.1rem;
    margin-right: 0.1em;
  }

  .content-page__prose p,
  .content-page__prose li {
    font-size: 1rem;
    line-height: 1.8;
  }

  .page-header { padding: 28px 0; }

  .page-header__title { font-size: 1.45rem; }

  .page-header__desc { font-size: 14px; padding: 0 4px; }

  .cards-grid { gap: 18px; }

  .card__body { padding: 16px; }

  .feature-item { aspect-ratio: 16 / 10; }

  .hero__link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .chrono-era__title { font-size: 1.15rem; }

  .chrono-era__super { font-size: 1.2rem; }

  .chrono-card { padding: 14px; }
}