/* Minimalist premium: koyu zemin, çok yumuşak derinlik, ince çizgili cam kartlar. */

:root {
  --bg: #08090b;
  --glow: #131a2c;            /* lacivert tonlu, çok koyu */
  --text: #f4f4f5;
  --muted: #8e9099;
  --faint: #62646c;
  --glass: rgba(255, 255, 255, .03);
  --glass-hover: rgba(255, 255, 255, .05);
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .18);
  --chip: rgba(255, 255, 255, .04);
  --btn: rgba(255, 255, 255, .06);
  --btn-hover: rgba(255, 255, 255, .1);
  --code: rgba(0, 0, 0, .35);
  --sage: #8fb3a0;
  --h1-from: #ffffff;
  --h1-to: #b4b6bd;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 16px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafaf9;
    --glow: #ebeae4;
    --text: #17171a;
    --muted: #62646b;
    --faint: #8d8f96;
    --glass: rgba(255, 255, 255, .65);
    --glass-hover: rgba(255, 255, 255, .95);
    --line: rgba(0, 0, 0, .08);
    --line-strong: rgba(0, 0, 0, .2);
    --chip: rgba(0, 0, 0, .04);
    --btn: rgba(255, 255, 255, .8);
    --btn-hover: #ffffff;
    --code: rgba(0, 0, 0, .05);
    --sage: #5f806d;
    --h1-from: #0d0d10;
    --h1-to: #4b4d55;
    color-scheme: light;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  min-height: 100vh;
}

/* Arka plan derinliği: üstte çok yumuşak bir radial, aşağıda siyaha dağılır */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse 85% 60% at 50% -5%, var(--glow) 0%, transparent 72%);
}

h1, h2, h3, p, dl, dd, ul, pre { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1120px, 100% - 3rem); margin-inline: auto; }
.muted { color: var(--muted); }

.skip { position: absolute; left: -999px; top: .5rem; padding: .5rem .875rem; background: var(--text); color: var(--bg); border-radius: 8px; }
.skip:focus { left: .5rem; z-index: 100; }

/* ---------- Üst bar ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .25rem 1.5rem; min-height: 3.75rem; }
.brand { font-family: var(--mono); font-size: .9375rem; font-weight: 600; letter-spacing: -.01em; }
.mark { color: var(--faint); margin-right: .5rem; }
.top nav { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; font-size: .9rem; }
.top nav a { color: var(--muted); transition: color .15s ease; }
.top nav a:hover { color: var(--text); }

/* ---------- Cam yüzey ---------- */

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3rem 2rem;
  align-items: center;
  padding-top: clamp(4rem, 10vw, 8rem);
}
.hero-copy { grid-column: 1 / span 7; }
.profile { grid-column: 9 / span 4; padding: 1.5rem; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  padding: .3125rem .875rem .3125rem .75rem;
  font-size: .8125rem;
  color: var(--muted);
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color .2s ease, color .2s ease;
}
.pill:hover { color: var(--text); border-color: var(--line-strong); }
.pill-arrow { width: .75rem; height: .75rem; transition: transform .2s ease; }
.pill:hover .pill-arrow { transform: translateX(2px); }

.dot { width: .4375rem; height: .4375rem; border-radius: 50%; background: var(--sage); flex: none; }

h1 {
  margin-top: 1.5rem;
  font-size: clamp(2.5rem, 6.4vw, 4.5rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.04em;
  text-wrap: balance;
  color: var(--text);
  background: linear-gradient(180deg, var(--h1-from) 30%, var(--h1-to) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead {
  margin-top: 1.5rem;
  max-width: 34rem;
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--muted);
  text-wrap: pretty;
}

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-top: 2.25rem; }

/* Birincil buton: neredeyse görünmez çizgi, sakin hover */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  padding: .6875rem 1.125rem .6875rem 1.25rem;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text);
  background: var(--btn);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: background .2s ease, border-color .2s ease;
}
.btn svg { width: .875rem; height: .875rem; color: var(--muted); transition: transform .2s ease, color .2s ease; }
.btn:hover { background: var(--btn-hover); border-color: var(--line-strong); }
.btn:hover svg { color: var(--text); transform: translateX(2px); }
.btn[href^="https"]:hover svg { transform: translate(1.5px, -1.5px); }

/* İkincil bağlantı: ok küçük bir çerçevede */
.link {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  font-size: .9375rem;
  color: var(--muted);
  transition: color .15s ease;
}
.link:hover { color: var(--text); }
.link.sm { font-size: .875rem; }
.arrow {
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  transition: border-color .2s ease, background .2s ease;
}
.arrow svg { width: .75rem; height: .75rem; transition: transform .2s ease; }
.link:hover .arrow { border-color: var(--line-strong); background: var(--glass); }
.link:hover .arrow svg { transform: translate(1px, -1px); }

/* Profil kartı */
.profile-head { display: flex; align-items: center; gap: .875rem; }
.avatar {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--chip);
  font-family: var(--mono);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.profile-name { font-weight: 600; line-height: 1.3; }
.profile-handle { font-family: var(--mono); font-size: .8125rem; color: var(--muted); line-height: 1.4; }
.profile-status {
  display: flex;
  align-items: center;
  gap: .625rem;
  margin-top: 1.25rem;
  padding: .625rem .875rem;
  font-size: .875rem;
  color: var(--muted);
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 10px;
  line-height: 1.4;
}
.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.profile-stats dt { font-size: .75rem; color: var(--faint); }
.profile-stats dd { font-family: var(--mono); font-size: 1.25rem; font-weight: 600; letter-spacing: -.02em; line-height: 1.4; }

/* ---------- Bölümler ---------- */

.sec { padding-top: clamp(5rem, 11vw, 8.5rem); }

.label {
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.sec-head.wide { margin-bottom: 2.5rem; }
.sec-head.wide .muted { margin-top: .875rem; }

.split {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.5rem 2rem;
}
.split .sec-head { grid-column: 1 / span 4; }
.about-body { grid-column: 6 / span 7; }
.prose { color: var(--muted); text-wrap: pretty; }
.prose p + p { margin-top: 1.25rem; }

.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-top: 2.5rem; }
.trio li { padding: 1rem 1.125rem; font-size: .9375rem; line-height: 1.45; }
.trio span { display: block; margin-bottom: .25rem; font-size: .75rem; color: var(--faint); }

/* ---------- Asimetrik bento grid ---------- */

.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.s5 { grid-column: span 5; }
.s7 { grid-column: span 7; }

.card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.75rem;
  transition: background .2s ease, border-color .2s ease;
}
.card:hover { background: var(--glass-hover); border-color: var(--line-strong); }
.card > p { color: var(--muted); font-size: 1rem; text-wrap: pretty; }
.card .link { margin-top: auto; padding-top: .5rem; }

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.card h3 { font-family: var(--mono); font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; }
.card h3.h-sm { font-family: var(--sans); font-size: .9375rem; font-weight: 600; letter-spacing: 0; }

.status { display: inline-flex; align-items: center; gap: .5rem; font-size: .8125rem; color: var(--muted); }
.muted-status { color: var(--faint); }

.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li {
  padding: .1875rem .75rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.meta { font-family: var(--mono); font-size: .75rem; color: var(--faint); line-height: 1.6; }

code { font-family: var(--mono); font-size: .875em; background: var(--chip); padding: .125rem .375rem; border-radius: 5px; color: var(--text); }
.code {
  font-family: var(--mono);
  font-size: .8125rem;
  line-height: 1.75;
  padding: 1rem 1.125rem;
  background: var(--code);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow-x: auto;
  white-space: pre;
  color: var(--muted);
}
.code code { background: none; padding: 0; font-size: inherit; color: inherit; }
.code .k { color: var(--text); }
.code .n { color: var(--sage); }

/* ---------- İletişim ---------- */

.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 2rem;
  padding: clamp(1.75rem, 4vw, 3rem);
}
.cta-panel h2 { max-width: 20ch; }
.cta-panel .muted { max-width: 34rem; margin-top: 1rem; text-wrap: pretty; }
.cta-panel .btn { font-family: var(--mono); font-size: .875rem; white-space: nowrap; }

/* ---------- Alt bilgi ---------- */

.foot { margin-top: clamp(5rem, 11vw, 8rem); border-top: 1px solid var(--line); font-size: .875rem; color: var(--muted); }
.foot-in { display: flex; justify-content: space-between; gap: 1rem; padding: 1.75rem 0 2.5rem; }
.foot a { transition: color .15s ease; }
.foot a:hover { color: var(--text); }

/* ---------- Responsive ---------- */

@media (max-width: 62rem) {
  .hero-copy, .profile { grid-column: 1 / -1; }
  .profile { max-width: 26rem; }
  .split .sec-head, .about-body { grid-column: 1 / -1; }
  .s5, .s7 { grid-column: 1 / -1; }
}

@media (max-width: 40rem) {
  body { font-size: 1rem; }
  .trio { grid-template-columns: 1fr; }
  .cta-panel { grid-template-columns: 1fr; align-items: start; }
  .card { padding: 1.375rem; }
  .card-top { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}