/* ------------------------------------------------------------
   fatihkartal.tr — styles
   Palette: warm paper + ink, ember accent. Light & dark.
   Type: Instrument Serif (display) + Inter (text).
   ------------------------------------------------------------ */

:root {
  --bg: #f5f1e9;
  --panel: #ece6d9;
  --panel-2: #fbf9f4;
  --ink: #17181c;
  --ink-2: #4c4a45;
  --ink-3: #807c74;
  --line: #d9d2c4;
  --accent: #c8481f;
  --accent-ink: #fff6f1;
  --accent-soft: #f3d9cd;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 18px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --panel: #1a1c20;
    --panel-2: #16181b;
    --ink: #ece7dc;
    --ink-2: #b8b2a6;
    --ink-3: #807b72;
    --line: #2b2e34;
    --accent: #f07a4e;
    --accent-ink: #1a0d08;
    --accent-soft: #3a2118;
  }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3 { margin: 0; font-weight: 400; line-height: 1.1; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.muted { color: var(--ink-3); }

.wrap {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 8px;
}
.skip:focus { top: 12px; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.bar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -.01em;
}
.brand .mono { width: 28px; height: 28px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand:hover .mono { color: var(--accent); }

.nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: .9375rem;
  color: var(--ink-2);
  text-decoration: none;
  white-space: nowrap;
}
.nav a:hover { color: var(--ink); background: var(--panel); }

.lang {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  flex-shrink: 0;
}
.lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font: 600 .75rem/1 var(--sans);
  letter-spacing: .06em;
  padding: 6px 9px;
  border-radius: 999px;
  cursor: pointer;
}
.lang-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}

@media (max-width: 640px) {
  .brand span { display: none; }
  .bar { gap: 12px; }
  .nav {
    padding-right: 24px;
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
    mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
  }
}

/* ---------- hero ---------- */
.hero {
  padding-block: clamp(48px, 9vw, 112px) clamp(40px, 6vw, 72px);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  grid-template-areas:
    "copy mark"
    "stats stats";
  gap: clamp(28px, 5vw, 56px) clamp(24px, 6vw, 72px);
  align-items: center;
}
.hero-copy { grid-area: copy; }
.hero-mark { grid-area: mark; margin: 0; color: var(--ink); }
.stats { grid-area: stats; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: .01em;
}
.dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.display {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7.2vw, 5.4rem);
  letter-spacing: -.015em;
  line-height: .98;
  text-wrap: balance;
}
.display span, .display em { display: block; }
.display em { font-style: italic; color: var(--accent); }

.lede {
  max-width: 54ch;
  margin-top: 24px;
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--ink-2);
  text-wrap: pretty;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 500;
  font-size: .9375rem;
  text-decoration: none;
  color: var(--ink);
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { transform: translateY(-1px); color: var(--ink); background: var(--panel); }
.btn.primary { background: var(--ink); color: var(--bg); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.hero-mark svg { width: 100%; height: auto; }
.orbit { transform-origin: 160px 160px; animation: orbit 14s linear infinite; }
@keyframes orbit { to { transform: rotate(360deg); } }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats li {
  padding: 20px 20px 20px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line);
  padding-left: 20px;
}
.stats li:first-child { border-left: 0; padding-left: 0; }
.stats strong {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1;
  letter-spacing: -.02em;
}
.stats span { font-size: .875rem; color: var(--ink-2); }

@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas: "mark" "copy" "stats";
  }
  .hero-mark { width: min(180px, 48vw); }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats li:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stats li:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- sections ---------- */
.section {
  padding-block: clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 60px;
}

.section-head { margin-bottom: clamp(28px, 4vw, 44px); }
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -.015em;
}
.index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--accent);
  letter-spacing: .08em;
}
.section-note {
  margin-top: 10px;
  color: var(--ink-2);
  max-width: 48ch;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}
.two-col .section-head { margin-bottom: 0; position: sticky; top: 84px; }

@media (max-width: 760px) {
  .two-col { grid-template-columns: 1fr; }
  .two-col .section-head { position: static; margin-bottom: 24px; }
}

.prose { max-width: 64ch; }
.prose p { text-wrap: pretty; }

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
  margin: 32px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.facts dt {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.facts dd { margin: 0; color: var(--ink); }
@media (max-width: 480px) { .facts { grid-template-columns: 1fr; } }

/* ---------- cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 18px 40px -24px color-mix(in srgb, var(--ink) 35%, transparent);
}
.card.featured { grid-column: span 2; background: var(--panel); }
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.card-no {
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--ink-3);
  letter-spacing: .06em;
}
.pill {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.card h3 {
  font-family: var(--serif);
  font-size: 1.75rem;
  letter-spacing: -.01em;
}
.card h3 .muted { font-size: .7em; }
.card-sub {
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 4px;
}
.card p { font-size: .9688rem; color: var(--ink-2); text-wrap: pretty; }
.card .card-sub { color: var(--ink); }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
}
.tags li {
  font-family: var(--mono);
  font-size: .75rem;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink-2);
  background: var(--bg);
}

@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  .card.featured { grid-column: auto; }
  .card { padding: 20px; }
}

/* ---------- stack ---------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.stack-group {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
}
.stack-group.wide { grid-column: span 2; }
.stack-group.accent-group {
  grid-column: 1 / -1;
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.stack-group.accent-group h3 { color: var(--accent); }
.stack-group.accent-group li { color: var(--bg); }
.stack-group h3 {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.stack-group li {
  padding: 6px 0;
  border-top: 1px dashed var(--line);
  font-size: .9375rem;
}
.stack-group li:first-child { border-top: 0; padding-top: 0; }
.stack-group.accent-group li { border-top-color: color-mix(in srgb, var(--bg) 25%, transparent); }
@media (min-width: 761px) {
  .stack-group.accent-group ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
  .stack-group.accent-group li:nth-child(2) { border-top: 0; padding-top: 0; }
}
.stack-group li .muted { font-size: .85em; }

@media (max-width: 960px) { .stack-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) {
  .stack-grid { grid-template-columns: 1fr; }
  .stack-group.wide { grid-column: auto; }
}

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}
.timeline li {
  position: relative;
  padding-bottom: 36px;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 7px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.timeline li:first-child::before { background: var(--accent); }
.timeline .when {
  display: block;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--ink-3);
  letter-spacing: .04em;
  margin-bottom: 6px;
}
.timeline h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  letter-spacing: -.01em;
}
.timeline .where { color: var(--ink-2); font-weight: 500; margin: 2px 0 8px; }
.timeline p { color: var(--ink-2); text-wrap: pretty; }
.timeline.compact li { padding-bottom: 24px; }
.timeline.compact h3 { font-size: 1.3rem; }
.timeline.compact .where { margin-bottom: 0; }

.sub-head {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 48px 0 20px;
}

/* ---------- contact ---------- */
.contact { background: var(--panel); }
.contact-lede { max-width: 48ch; color: var(--ink-2); font-size: 1.125rem; }
.email-line { margin: 28px 0 24px; }
.email {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 5vw, 3.4rem);
  letter-spacing: -.015em;
  line-height: 1.1;
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid var(--accent);
}
.email:hover { color: var(--accent); }
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.links a {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  text-decoration: none;
  font-weight: 500;
  font-size: .9375rem;
}
.links a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 28px;
  font-size: .875rem;
  color: var(--ink-2);
}
.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

/* ---------- reveal (JS-enhanced; harmless without JS) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .6s var(--ease), transform .6s var(--ease);
  }
  .js .reveal.in { opacity: 1; transform: none; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .card:hover, .btn:hover { transform: none; }
}

/* ---------- print ---------- */
@media print {
  .site-header, .lang, .actions, .hero-mark { display: none; }
  body { background: #fff; color: #000; }
  .card, .stack-group { break-inside: avoid; border-color: #ccc; }
}