/* ================================================================
   Nehir hattı
   Koyu, basılı yayın ve harita estetiği. Kart yok, gölge yok.
   Sayfadaki her yatay çizgi soldaki nehirden doğar.
   ================================================================ */

:root {
  --bg: #0b0c0e;
  --ink: #ece8df;
  --ink-2: #bdb9b0;
  --muted: #7c7a74;
  --rule: #212328;
  --rule-2: #34373d;
  --river: #8ab8f2;
  --glow: rgba(138, 184, 242, .45);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --max: 1180px;
  --lane: 220px;   /* nehrin aktığı sol şerit, renk topladıkça genişleyen nehre yer açar */
  --rail: 96px;    /* nehrin şerit içindeki konumu */
  --gutter: 40px;
  --meta: 200px;   /* sol bilgi sütunu */
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; background: var(--bg); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 19px/1.55 var(--serif);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* İnce film greni, düz siyahı kâğıt gibi yapar */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 40; pointer-events: none;
  opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; }
img, video { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 400; }
p, dl, dd, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
[hidden] { display: none !important; }

::selection { background: var(--river); color: var(--bg); }
:focus-visible { outline: 1.5px solid var(--river); outline-offset: 3px; }

.mono, .label {
  font-family: var(--mono);
  font-size: 12px; line-height: 1.5;
  letter-spacing: .04em; text-transform: uppercase;
}
.label { color: var(--muted); }

.link {
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px;
  text-decoration-color: var(--rule-2);
  transition: text-decoration-color .25s, color .25s;
}
.link:hover { text-decoration-color: currentColor; color: var(--river); }

.skip {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  padding: 8px 12px; background: var(--ink); color: var(--bg);
  font: 500 12px var(--mono); text-decoration: none;
}
.skip:focus { top: 12px; }

/* İçerik ekrana girerken belirir */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 1s ease, transform 1s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- Üst bar ---------------- */

.top {
  position: sticky; top: 0; z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.top-inner {
  max-width: calc(var(--max) + var(--lane) + var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter) 0 var(--lane);
  height: 56px;
  display: flex; align-items: center; gap: 32px;
}
.brand { font-size: 18px; text-decoration: none; white-space: nowrap; transition: color .25s; }
.brand:hover { color: var(--river); }

.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a, .lang button {
  font: 400 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  padding: 6px 0; border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}
.nav a:hover, .lang button:hover { color: var(--ink); }
.nav a.is-active { color: var(--ink); border-bottom-color: var(--river); }

.tools { display: flex; align-items: center; gap: 28px; }
.lang { display: flex; align-items: center; gap: 8px; color: var(--rule-2); font: 12px var(--mono); }
.lang button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }

/* Benimle konuşun: konuşma sırasında nokta nehrin renginde atar, yanında kalan süre görünür */
.talk {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 12px; border: 1px solid var(--rule-2);
  font: 400 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-2); white-space: nowrap;
  transition: color .25s, border-color .25s;
}
.talk:hover, .talk[aria-pressed="true"] { color: var(--ink); border-color: var(--river); }
.talk-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--river); box-shadow: 0 0 8px var(--glow); }
.talk[data-state="connecting"] .talk-dot { animation: talk-wait 1s ease-in-out infinite alternate; }
.talk[data-state="live"][data-mode="speaking"] .talk-dot { animation: talk-beat .7s ease-in-out infinite alternate; }
.talk-time { color: var(--muted); font-variant-numeric: tabular-nums; }
.talk-time:empty { display: none; }
@keyframes talk-wait { from { opacity: .25; } to { opacity: 1; } }
@keyframes talk-beat { from { transform: scale(1); } to { transform: scale(1.7); } }
@media (prefers-reduced-motion: reduce) { .talk-dot { animation: none !important; } }

.talk-note {
  position: absolute; right: var(--gutter); top: calc(100% + 12px);
  max-width: min(360px, calc(100vw - 32px)); margin: 0; padding: 12px 14px;
  background: var(--bg); border: 1px solid var(--rule-2);
  font-size: 16px; line-height: 1.45; color: var(--ink-2);
}

/* ---------------- Nehir ---------------- */

.flow { position: relative; }
.river { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; }

.river-bed { fill: var(--rule-2); }
.river-water { fill: var(--river); filter: drop-shadow(0 0 6px var(--glow)); }

/* Nehirden sağa uzanan bölüm çizgileri kullanılmıyor */
.rlink { display: none; }
.rlink.t-section, .rlink.t-sea {
  stroke: var(--rule-2); stroke-dasharray: 1; stroke-dashoffset: 1;
  transition: stroke-dashoffset 1s cubic-bezier(.4, 0, .2, 1), stroke .6s;
}
.rlink.t-branch, .rlink.t-station { stroke: var(--rule); }
.rlink.on.t-section { stroke-dashoffset: 0; stroke: var(--ink-2); }
.rlink.on.t-sea { stroke-dashoffset: 0; stroke: var(--river); stroke-width: 1.5; filter: drop-shadow(0 0 4px var(--glow)); }
.rlink.on.t-branch { stroke: var(--river); }

.mark { fill: var(--bg); stroke: var(--muted); stroke-width: 1.2; transition: fill .5s, stroke .5s; }
.mark.on { fill: var(--river); stroke: var(--river); }
.mark.t-station.on { fill: var(--bg); stroke: var(--river); stroke-width: 1.6; }

.boat { transition: opacity .3s; }
.spark { fill: #f4f8ff; filter: drop-shadow(0 0 4px var(--river)) drop-shadow(0 0 10px var(--glow)); }
.spark-ring {
  fill: none; stroke: var(--river); stroke-width: 1; opacity: .6;
  transform-box: fill-box; transform-origin: center;
  animation: ripple 2.6s ease-out infinite;
}
@keyframes ripple { from { transform: scale(.5); opacity: .7; } to { transform: scale(2.2); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .spark-ring { animation: none; } }

/* Nehir renk toplar: mürekkep nehri flow.js çizer. SVG'nin su, yatak, kayık ve kol çizgileri yerini ona bırakır. */
.flow-ink { position: fixed; left: 0; top: 0; pointer-events: none; }
.ink-on .river-bed, .ink-on .river-water, .ink-on .boat, .ink-on .rlink.t-branch, .ink-on .mark { display: none; }

.ink-on .work-num { color: var(--c); }
.ink-on .hero-name em { transition: text-shadow 1.2s ease; }
.ink-on .hero-name em.drip { text-shadow: 0 0 28px rgba(138, 184, 242, .55); }



/* ---------------- İçerik ---------------- */

.content {
  position: relative;
  max-width: calc(var(--max) + var(--lane) + var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter) 0 var(--lane);
}
/* Grid içinde yer kaplamaz, satırın üst çizgisinde durur */
.anchor { position: absolute; width: 0; height: 0; }
.sec-head, .work, .river-end { position: relative; }
.sec-head > .anchor, .river-end > .anchor { top: 0; left: 0; }

/* Bölüm başlığı */
.sec { padding-top: 144px; }
/* Numara üstte, başlık ve açıklama altında sola yaslı */
.sec-head { padding-top: 30px; margin-bottom: 48px; }
.sec-num { color: var(--river); margin-bottom: 14px; }
.sec-head h2 {
  font: 300 clamp(34px, 3.8vw, 52px)/1.05 var(--serif);
  letter-spacing: -.025em;
}
.sec-lead { margin-top: 14px; max-width: 56ch; color: var(--muted); font-size: 19px; }

/* ---------------- Giriş ---------------- */

.hero { padding: 88px 0 0; }
.hero-top { display: flex; flex-wrap: wrap; gap: 8px 0; }
.hero-top > span + span::before { content: "·"; margin: 0 14px; color: var(--rule-2); }
.hero-top [data-clock] { color: var(--ink-2); }

.hero-name {
  margin: 48px 0 0 -.05em;
  font: 300 clamp(56px, 8.6vw, 136px)/.95 var(--serif);
  letter-spacing: -.045em;
}
.hero-name em { font-style: italic; color: var(--river); }

/* Adın altında: solda portre, sağda tanıtım ve konuşma düğmesi. Portrenin alt kenarı zemine karışır. */
.hero-intro { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 56px; align-items: end; margin-top: 48px; }
.portrait { margin: 0; }
.portrait img {
  display: block; width: 100%; height: auto;
  -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent);
  mask-image: linear-gradient(to bottom, #000 72%, transparent);
}
.hero-side { padding-bottom: 24px; }
.hero-lead { font-size: 24px; line-height: 1.5; color: var(--ink-2); max-width: 40ch; }

.hero-talk { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 36px; }
.talk-hero {
  gap: 14px; padding: 18px 26px;
  font-size: 14px; letter-spacing: .08em;
  background: var(--ink); border-color: var(--ink); color: var(--bg);
}
.talk-hero:hover { background: var(--river); border-color: var(--river); color: var(--bg); }
.talk-hero[aria-pressed="true"] { background: transparent; border-color: var(--river); color: var(--ink); }
.talk-hero .talk-dot { width: 9px; height: 9px; }
/* Boştayken nokta yavaşça halka yayar, düğmenin canlı bir şey olduğunu söyler */
.talk-hero[data-state="idle"] .talk-dot { animation: talk-ring 2.4s ease-out infinite; }
@keyframes talk-ring { 0% { box-shadow: 0 0 0 0 rgba(138, 184, 242, .7); } 70%, 100% { box-shadow: 0 0 0 10px rgba(138, 184, 242, 0); } }
.talk-hero .talk-time { color: var(--muted); }
.talk-hint { max-width: 34ch; font-size: 16px; line-height: 1.45; color: var(--muted); }

.facts {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 64px; border-top: 1px solid var(--rule-2);
}
.facts div { padding: 16px 24px 0 0; }
.facts div + div { padding-left: 20px; border-left: 1px solid var(--rule); }
.facts dd { margin-top: 8px; font-size: 18px; line-height: 1.4; }

/* ---------------- İşler ----------------
   Yan yana kartlar. Her kartın kolu üst kenarından çıkıp nehre akar.
   Kart tıklanınca satırın altında video paneli açılır. */

.works { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; max-width: 1040px; }

.work {
  display: flex; flex-direction: column;
  margin-bottom: 48px;
  border: 1px solid var(--rule-2); background: var(--bg);
  cursor: pointer;
  transition: border-color .4s;
}
.work:hover, .work.is-open { border-color: var(--c); }

.work-cover { aspect-ratio: 2 / 1; overflow: hidden; background: #0e1013; border-bottom: 1px solid var(--rule); }
.work-cover img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8) brightness(.82); transition: transform 1.2s cubic-bezier(.2, .7, .2, 1), filter .6s; }
.work:hover .work-cover img, .work.is-open .work-cover img { transform: scale(1.03); filter: none; }

.work-body { flex: 1; display: flex; flex-direction: column; padding: 18px 20px 18px; }
.work-meta { display: flex; align-items: baseline; gap: 16px; color: var(--muted); text-transform: none; letter-spacing: .02em; }
.work-num { font: 300 28px/1 var(--serif); letter-spacing: -.03em; color: var(--river); }
.work h3, .panel-head h3 { margin-top: 10px; font: 300 clamp(24px, 2.2vw, 30px)/1.1 var(--serif); letter-spacing: -.025em; }
.work-open { font: inherit; letter-spacing: inherit; text-align: left; transition: color .4s; }
.work:hover .work-open, .work.is-open .work-open { color: var(--c); }
.work-desc {
  margin-top: 10px; color: var(--ink-2); font-size: 16.5px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.work-more {
  margin-top: auto; padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--ink-2); transition: color .4s;
}
.work:hover .work-more, .work.is-open .work-more { color: var(--c); }
.work-more .arrow { font-size: 15px; transition: transform .5s cubic-bezier(.2, .7, .2, 1); }
.work.is-open .arrow { transform: rotate(180deg); }

/* Panel kapalıyken yer kaplamaz, açılınca aşağı doğru genişler */
/* Ana sayfadaki seçkinin altında, İşler sayfasına geçiş */
.works-all { margin-top: 8px; }

/* İşler sayfasının başı, ana sayfa girişinden daha kısa */
.page-head .hero-name { font-size: clamp(48px, 6.4vw, 96px); }

.work-panel {
  grid-column: 1 / -1;
  display: grid; grid-template-rows: 0fr;
  margin: 0;
  transition: grid-template-rows .6s cubic-bezier(.2, .7, .2, 1), margin .6s cubic-bezier(.2, .7, .2, 1);
}
.work-panel.open { grid-template-rows: 1fr; margin: -24px 0 56px; }
.panel-inner {
  min-height: 0; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.9fr); gap: 0 40px;
  border-top: 1px solid var(--c);
}
.work-panel.open .panel-inner { padding-top: 28px; }
.panel-head { position: relative; }
.panel-desc { margin-top: 16px; color: var(--ink-2); font-size: 19px; }
/* Ayrıntılar panelin altında, tam genişlikte iki sütun */
.panel-points { grid-column: 1 / -1; margin-top: 32px; padding: 24px 0 0 18px; border-top: 1px solid var(--rule); list-style: square; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 56px; color: var(--ink-2); font-size: 16px; }
.panel-points li::marker { color: var(--c); }
.panel-link { margin-top: 22px; }
.frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.panel-tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--muted); text-transform: none; letter-spacing: .02em; }
.panel-close { margin-top: 28px; color: var(--ink-2); transition: color .3s; }
.panel-close:hover { color: var(--c); }

.media figcaption { margin-top: 12px; color: var(--muted); text-transform: none; letter-spacing: .01em; }
.media .frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--rule-2); background: #0e1013; }
.frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #000; }
.media-empty {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  padding: 7px 12px; background: var(--bg); border: 1px solid var(--rule-2);
  color: var(--river); white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .work-panel, .work-cover img, .work-more .arrow { transition: none; }
}

/* ---------------- İletişim ---------------- */

.contact { padding-top: 144px; }
.contact .sec-head { margin-bottom: 40px; }
.contact .contact-line {
  font: 300 clamp(36px, 4.4vw, 64px)/1.02 var(--serif);
  letter-spacing: -.035em; max-width: 18ch;
}

.contact-direct { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; max-width: 880px; }
.contact-direct .cta-note { margin-top: 0; }
.contact-line em { color: var(--river); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 48px; }
.btn {
  display: inline-flex; align-items: center; gap: 28px;
  height: 60px; padding: 0 26px;
  border: 1px solid var(--rule-2);
  font: 500 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none;
  transition: background-color .3s, border-color .3s, color .3s;
}
.btn span { font-size: 16px; transition: transform .3s cubic-bezier(.2, .7, .2, 1); }
.btn:hover { border-color: var(--river); color: var(--river); }
.btn:hover span { transform: translateX(4px); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn.primary:hover { background: var(--river); border-color: var(--river); color: var(--bg); }
.cta-note { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); text-transform: none; letter-spacing: .02em; }
.cta-note button { font: inherit; color: var(--ink-2); }

.reach { border-top: 1px solid var(--rule-2); margin-top: 56px; }
/* CV ve GitHub yoksa liste hiç görünmez */
.reach:not(:has(li:not([hidden]))) { display: none; }
.reach li {
  display: grid; grid-template-columns: var(--meta) minmax(0, 1fr) auto; gap: 8px 32px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.reach-main {
  font: 300 clamp(24px, 2.8vw, 38px)/1.2 var(--serif); letter-spacing: -.02em;
  text-decoration: none; overflow-wrap: anywhere;
  transition: color .3s;
}
a.reach-main:hover { color: var(--river); }
.reach-act { color: var(--muted); text-align: right; transition: color .3s; }
button.reach-act:hover, .reach li:hover a ~ .reach-act { color: var(--river); }

/* Nehrin bittiği yer: nehir iletişim bölümünün yanından buraya kadar akar */
.river-end { height: 72px; margin-top: 96px; }
.river-end + .footer { margin-top: 0; }

.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  margin-top: 152px; padding: 18px 0 44px;
  border-top: 1px solid var(--rule);
}
.footer em { font: italic 300 17px var(--serif); text-transform: none; letter-spacing: 0; color: var(--muted); }

/* ---------------- Duyarlı ---------------- */

@media (max-width: 1040px) {
  :root { --meta: 150px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts div:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts div:nth-child(n + 3) { margin-top: 20px; border-top: 1px solid var(--rule); }
}

@media (max-width: 760px) {
  :root { --lane: 56px; --rail: 24px; --gutter: 16px; }
  body { font-size: 18px; }
  .top-inner { gap: 16px; padding-left: var(--lane); }
  .nav { display: none; }
  .tools { margin-left: auto; }
  .tools { gap: 12px; }
  .talk-note { right: 16px; }
  .hero-top { gap: 4px 18px; }
  .hero-top > span:nth-child(3) { display: none; }
  .hero-top > span + span::before { content: none; }
  .hero { padding-top: 48px; }
  .hero-name { margin-top: 32px; }
  .hero-intro { grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 32px; }
  .portrait { width: min(240px, 70%); }
  .hero-side { padding-bottom: 0; }
  .hero-lead { font-size: 21px; }
  .talk-hero { width: 100%; justify-content: center; }
  .facts { grid-template-columns: minmax(0, 1fr); margin-top: 56px; }
  .facts div, .facts div + div { padding: 12px 0 0; border-left: 0; }
  .facts div + div { margin-top: 12px; border-top: 1px solid var(--rule); }
  .sec { padding-top: 104px; }
  .works { grid-template-columns: minmax(0, 1fr); }
  .work { margin-bottom: 40px; }
  .work-body { padding: 18px 18px 18px; }
  .work-panel.open { margin: -16px 0 40px; }
  .panel-inner { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .panel-points { grid-template-columns: minmax(0, 1fr); margin-top: 0; }
  .river-end { margin-top: 64px; }
  .btn { flex: 1 1 100%; justify-content: space-between; }
  .reach li { grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 16px 0; }
  .reach-main { overflow-wrap: normal; }
  .reach-act { text-align: left; }
  .reach-act:empty { display: none; }
  .sec-head { margin-bottom: 40px; }
  .sec-num { margin-bottom: 10px; }
  .sec-lead { font-size: 18px; }
  .contact { padding-top: 104px; }
  .footer { margin-top: 104px; }
}

/* Dar ekranda düğme noktaya iner, konuşurken yanında yalnızca süre görünür */
@media (max-width: 520px) {
  .talk { padding: 9px 10px; gap: 8px; }
  .top .talk-label { display: none; }
}

@media (max-width: 380px) {
  .brand { font-size: 16px; }
}