/* OYTUN DENIZ — design system
   Concept: an executive brief. Quiet paper-and-ink palette, one
   restrained accent, evidence over ornament — built for a director-
   level audience that reads for scope and outcomes, not novelty. */

:root {
  --bg: #f7f5f0;
  --panel: #ffffff;
  --ink: #14181f;
  --ink-soft: #5b6270;
  --rule: #e1ded4;
  --accent: #6b5940;
  --teal: #1f5c56;
  --serif: "Iowan Old Style", "Palatino Linotype", Charter, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --panel: #191d24; --ink: #ece9e1; --ink-soft: #a6acb6;
    --rule: #2b303a; --accent: #b7a383; --teal: #4fa79b;
  }
}
:root[data-theme="dark"] {
  --bg: #14171c; --panel: #191d24; --ink: #ece9e1; --ink-soft: #a6acb6;
  --rule: #2b303a; --accent: #b7a383; --teal: #4fa79b;
}
:root[data-theme="light"] {
  --bg: #f7f5f0; --panel: #ffffff; --ink: #14181f; --ink-soft: #5b6270;
  --rule: #e1ded4; --accent: #6b5940; --teal: #1f5c56;
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.page { max-width: 760px; margin: 0 auto; padding: 60px 28px 76px; }
@media (max-width: 640px) { .page { padding: 44px 22px 56px; } }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 22px;
}

h1.name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p.role {
  font-size: 1.12rem;
  color: var(--ink-soft);
  margin: 0 0 40px;
  max-width: 46ch;
}

blockquote.thesis {
  margin: 0 0 44px;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  line-height: 1.45;
  color: var(--ink);
  max-width: 52ch;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 48px;
}
@media (max-width: 640px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  padding: 22px 18px 22px 0;
  border-left: 1px solid var(--rule);
}
.stat:first-child { border-left: none; padding-left: 0; }
@media (max-width: 640px) {
  .stat:nth-child(odd) { border-left: none; padding-left: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--rule); padding-bottom: 20px; margin-bottom: 20px; }
}
.stat .n {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.6rem;
  color: var(--teal);
  display: block;
  margin-bottom: 6px;
}
.stat .l {
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.35;
}

h2.sec {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 28px;
  padding-top: 6px;
}

section { margin-bottom: 46px; }

.role-block { margin-bottom: 28px; }
.role-block:last-child { margin-bottom: 0; }
.role-block .head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.role-block .title { font-size: 1.12rem; font-weight: 600; }
.role-block .when { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); white-space: nowrap; font-variant-numeric: tabular-nums; }
.role-block .org { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 12px; }
.role-block .scope {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.role-block p { max-width: 62ch; font-size: 0.98rem; margin: 0; color: var(--ink); }

.earlier {
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.earlier b { color: var(--ink); font-weight: 600; }

.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 40px; }
@media (max-width: 560px) { .cap-grid { grid-template-columns: 1fr; } }
.cap-group .k {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.cap-group .v { font-size: 0.96rem; }

.edu-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
}
.edu-row:last-child { border-bottom: 1px solid var(--rule); }
.edu-row .school { font-weight: 600; }
.edu-row .deg { color: var(--ink-soft); font-size: 0.9rem; }
.edu-row .yr { font-family: var(--mono); color: var(--ink-soft); font-size: 0.82rem; white-space: nowrap; font-variant-numeric: tabular-nums; }

.cred-line { margin-top: 16px; font-size: 0.9rem; color: var(--ink-soft); }
.cred-line b { color: var(--ink); font-weight: 600; }

footer {
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-primary { font-size: 1rem; }
.contact-primary a { color: var(--ink); font-weight: 600; }
.social-line { font-size: 0.86rem; color: var(--ink-soft); }
.social-line a { color: var(--ink-soft); }
.social-line a:hover { color: var(--accent); }
.social-line .sep { margin: 0 8px; color: var(--rule); }