/* Yerleşim: dar okuma sütunu, geniş bantlar. Dizi numarası (I, II, III) sitenin tek süsü. */
:root {
  --paper: #f4f6f4;
  --surface: #ffffff;
  --ink: #16232b;
  --muted: #56656d;
  --line: #d3dad9;
  --sea: #1d5670;
  --wheat: #9a6a1c;
  --tbd-bg: #fbecc4;
  --tbd-fg: #5e4300;
  --display: "Literata", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --text: "Literata", "Iowan Old Style", Georgia, serif;
  --ui: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: 2.2rem;
  --step-4: clamp(2.6rem, 7vw, 4.6rem);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f171c; --surface: #152129; --ink: #e3e9ea; --muted: #9caab0;
    --line: #2a3a42; --sea: #86bcd4; --wheat: #d9aa55; --tbd-bg: #3b3012; --tbd-fg: #f2d88e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f171c; --surface: #152129; --ink: #e3e9ea; --muted: #9caab0;
  --line: #2a3a42; --sea: #86bcd4; --wheat: #d9aa55; --tbd-bg: #3b3012; --tbd-fg: #f2d88e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--step-0);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; }
a { color: var(--sea); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--sea); outline-offset: 3px; border-radius: 2px; }

.wrap {
  max-width: 70rem;
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.prose { max-width: 40rem; }
.prose p { margin: 0 0 1em; }

h1, h2, h3 { font-family: var(--display); line-height: 1.15; text-wrap: balance; margin: 0; }
h2 { font-size: var(--step-3); font-weight: 600; }
h3 { font-size: var(--step-1); font-weight: 600; }
.eyebrow {
  font-family: var(--ui); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--wheat); margin: 0;
}
.muted { color: var(--muted); }

/* Üst bant */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-head .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem 2rem; padding-block: 1rem;
}
.brand { display: flex; align-items: baseline; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand-series { font-family: var(--ui); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; }
.brand-no { font-family: var(--display); font-size: 1.35rem; font-weight: 700; color: var(--wheat); }
.brand-name { font-family: var(--display); font-size: 1.05rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.1rem; font-family: var(--ui); font-size: 0.92rem; }
.nav a { color: var(--muted); text-decoration: none; padding-block: 0.2rem; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--wheat); }

/* Açılış */
.hero .wrap { padding-block: clamp(2.5rem, 7vw, 5rem) 2.5rem; display: grid; gap: 1.25rem; }
.hero h1 { font-size: var(--step-4); font-weight: 600; letter-spacing: -0.01em; max-width: 14ch; }
.hero h1 em { font-style: italic; font-weight: 400; color: var(--muted); }
.lede { font-size: var(--step-1); max-width: 38rem; margin: 0; }
.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1rem 2rem; margin: 1rem 0 0; padding: 1.25rem 0 0; border-top: 1px solid var(--line);
  max-width: 52rem;
}
.facts div { min-width: 0; }
.facts dt { font-family: var(--ui); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0.2rem 0 0; font-size: 1.05rem; }

/* Bölümler */
.section .wrap { padding-block: 3rem; display: grid; gap: 1.5rem; }
.section + .section .wrap { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 0.4rem; }
.page-title .wrap { padding-block: 2.75rem 1rem; display: grid; gap: 0.5rem; }
.page-title h1 { font-size: var(--step-3); font-weight: 600; }

.hero .wrap, .section .wrap, .page-title .wrap { grid-template-columns: minmax(0, 1fr); }

/* Odaktaki iki yapıt */
.works { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.25rem; }
.work {
  background: var(--surface); border: 1px solid var(--line); padding: 1.5rem;
  display: grid; gap: 0.5rem; align-content: start; min-width: 0;
}
.work .kind { font-family: var(--ui); font-size: 0.8rem; color: var(--muted); }
.work h3 { font-size: var(--step-2); font-style: italic; font-weight: 500; }
.work p { margin: 0; }

ol.goals { margin: 0; padding-left: 1.4rem; display: grid; gap: 0.6rem; max-width: 40rem; }

/* Dizi */
.series { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1rem; }
.series li { display: grid; grid-template-columns: auto 1fr; gap: 0 0.9rem; align-items: baseline; padding-top: 0.9rem; border-top: 2px solid var(--line); min-width: 0; }
.series li.current { border-top-color: var(--wheat); }
.series .no { font-family: var(--display); font-size: var(--step-3); font-weight: 700; color: var(--wheat); grid-row: span 2; line-height: 1; }
.series .who { font-family: var(--display); font-size: var(--step-1); }
.series .when { font-family: var(--ui); font-size: 0.88rem; color: var(--muted); font-variant-numeric: tabular-nums; }

/* Tablolar */
.table-box { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-family: var(--ui); font-size: 0.95rem; }
th, td { text-align: left; padding: 0.7rem 0.9rem 0.7rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Program */
.timeline { display: grid; gap: 0; max-width: 46rem; }
.slot { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.25rem; padding-block: 1.1rem; border-top: 1px solid var(--line); }
.slot time { font-family: var(--ui); font-weight: 600; font-variant-numeric: tabular-nums; color: var(--wheat); }
.slot h3 { margin-bottom: 0.25rem; }
.slot p { margin: 0.15rem 0 0; }
.slot ol { margin: 0.5rem 0 0; padding-left: 1.2rem; display: grid; gap: 0.25rem; }
.slot.break h3 { font-weight: 400; color: var(--muted); font-size: var(--step-0); font-family: var(--ui); }

/* Konuşmacılar */
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1.25rem; }
.person { background: var(--surface); border: 1px solid var(--line); padding: 1.25rem; display: grid; gap: 0.6rem; align-content: start; min-width: 0; }
.photo { width: 6rem; aspect-ratio: 1; max-width: 100%; background: var(--paper); border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--ui); font-size: 0.75rem; color: var(--muted); overflow: hidden; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.person h3 { font-size: 1.15rem; }
.person .aff { font-family: var(--ui); font-size: 0.88rem; color: var(--muted); margin: 0; }
.person .talk { font-style: italic; margin: 0; }
.person p { margin: 0; }

/* Önceki toplantılar */
.past { display: grid; gap: 2.5rem; }
.past article { display: grid; gap: 0.75rem; }
.past ul { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.3rem; }

/* Doldurulacak yerler: yayından önce hepsi kalkmalı */
.tbd { background: var(--tbd-bg); color: var(--tbd-fg); padding: 0.05em 0.3em; border-radius: 2px; font-family: var(--ui); font-size: 0.92em; }

/* Alt bant */
.site-foot { border-top: 1px solid var(--line); margin-top: 2rem; }
.site-foot .wrap { padding-block: 2rem; display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between; font-family: var(--ui); font-size: 0.88rem; color: var(--muted); }
.site-foot p { margin: 0; }

@media (max-width: 40rem) {
  .slot { grid-template-columns: 1fr; gap: 0.25rem; }
  .section .wrap { padding-block: 2.25rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }