/* arka plan — marka tokenları (Remotion src/brand/tokens.ts ile aynı) */
:root {
  --cream: #F2EEE6;
  --black: #161616;
  --blue: #2348D6;

  --bg: var(--cream);
  --fg: var(--black);
  --dim: rgba(22, 22, 22, 0.62);
  --line: rgba(22, 22, 22, 0.12);
  --card: #EAE5DB;
  --link: var(--blue);
  --logo-stroke: none;

  --sans: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --gutter: 16px;
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--black);
    --fg: var(--cream);
    --dim: rgba(242, 238, 230, 0.62);
    --line: rgba(242, 238, 230, 0.12);
    --card: #1F1E1D;
    --link: #8FA6FF;
    --logo-stroke: rgba(242, 238, 230, 0.55);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: var(--black);
  --fg: var(--cream);
  --dim: rgba(242, 238, 230, 0.62);
  --line: rgba(242, 238, 230, 0.12);
  --card: #1F1E1D;
  --link: #8FA6FF;
  --logo-stroke: rgba(242, 238, 230, 0.55);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 500 17px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-weight: 500; }
a { color: var(--link); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 {
  font-weight: 800;
  text-transform: lowercase;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
}

/* --- üst bölüm ------------------------------------------------------------ */
.hero { padding-top: 48px; padding-bottom: 40px; text-align: center; }
.logo { width: 76px; height: 76px; display: block; margin: 0 auto 18px; overflow: visible; }
.logo-front { stroke: var(--logo-stroke); stroke-width: 1.6; }
.hero h1 { font-size: clamp(44px, 13vw, 76px); }
.slogan { margin: 10px 0 24px; font-size: 19px; color: var(--dim); }

.social { display: flex; justify-content: center; gap: 12px; }
.social a {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--fg);
  border: 1.5px solid var(--line);
  transition: background .15s, color .15s, border-color .15s;
}
.social a:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.social svg { width: 22px; height: 22px; }
.yt-play { fill: var(--bg); }
.social a:hover .yt-play { fill: var(--fg); }
.email { display: inline-block; margin-top: 18px; font-size: 14px; padding: 6px 2px; }

/* --- videolar ------------------------------------------------------------- */
main { padding-bottom: 40px; }
main h2 { font-size: 34px; padding-top: 28px; border-top: 1.5px solid var(--fg); }
.hint { color: var(--dim); font-size: 15px; margin: 8px 0 20px; }
.list { display: grid; gap: 14px; }

.card { background: var(--card); border-radius: var(--radius); overflow: hidden; }
.card-head {
  all: unset;
  box-sizing: border-box;
  width: 100%;
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 14px;
  padding: 12px;
  cursor: pointer;
}
.card-head:focus-visible { outline: 3px solid var(--link); outline-offset: -3px; border-radius: var(--radius); }
.cover {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  align-self: start;
  object-fit: cover;
  border-radius: 9px;
  background: var(--line);
  display: block;
}
.meta { display: flex; flex-direction: column; gap: 6px; min-width: 0; align-self: center; }
.date { font-size: 12px; color: var(--dim); letter-spacing: .02em; text-transform: uppercase; }
.title { font-weight: 800; font-size: 20px; line-height: 1.12; letter-spacing: -0.02em; text-transform: lowercase; }
.summary { font-size: 15px; color: var(--dim); line-height: 1.4; display: none; }
.toggle {
  font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .03em;
  color: var(--link); margin-top: 2px;
}
.toggle::after { content: " +"; }
.card.open .toggle::after { content: " −"; }

.pubs { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 12px 12px; }
.pubs a {
  font: 500 12px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: .03em;
  text-decoration: none;
  color: var(--fg);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
}
.pubs a:hover { border-color: var(--fg); }

.panel { padding: 4px 16px 18px; border-top: 1.5px solid var(--line); }
.panel h3 { font-size: 20px; margin: 18px 0 10px; }
.panel ol, .panel ul { list-style: none; margin: 0; padding: 0; }
.panel li { padding: 10px 0; border-bottom: 1px solid var(--line); display: grid; gap: 3px; }
.panel li:last-child { border-bottom: 0; }
.src-name { font-size: 16px; line-height: 1.35; overflow-wrap: anywhere; }
.src-meta { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.src-meta a { color: var(--link); }
.panel-foot { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.btn {
  font: 500 12px/1 var(--mono);
  text-transform: uppercase; letter-spacing: .03em;
  background: var(--fg); color: var(--bg);
  border: 0; border-radius: 999px; padding: 11px 14px; cursor: pointer;
}

.foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px;
  font-size: 12px; color: var(--dim);
  padding-top: 18px; padding-bottom: 32px;
  border-top: 1px solid var(--line);
}

@media (min-width: 560px) {
  .card-head { grid-template-columns: 148px 1fr; gap: 18px; padding: 14px; }
  .title { font-size: 26px; }
  .summary { display: block; }
  .pubs { padding: 0 14px 14px; }
  .panel { padding: 4px 22px 22px; }
}

@media (prefers-reduced-motion: no-preference) {
  .card { transition: box-shadow .2s; }
  .card.open { box-shadow: 0 0 0 1.5px var(--fg); }
}