/* =====================================================================
   TETRASTATUS — style.css
   İçindekiler: 1 Tokens · 2 Base · 3 Bileşenler · 4 Nav · 5 Hero ·
   6 About · 7 Team · 8 Skills · 9 Projects · 10 Process · 11 Contact ·
   12 Footer/Modal · 13 Responsive · 14 Reduced motion
   ===================================================================== */

/* ---------- 1) TOKENS (renk paletini buradan değiştir) ---------- */
:root {
  --bg: #040913;          /* derin lacivert (en koyu) */
  --bg-2: #08122a;        /* bölüm zemini */
  --navy: #0b1a3d;
  --blue: #2f6bff;        /* elektrik mavisi */
  --cyan: #19f5d0;        /* neon turkuaz vurgu */
  --text: #e8eefc;
  --muted: #92a3c9;       /* AA kontrast: bg üzerinde ~7:1 */
  --line: rgba(120, 160, 255, .16);
  --card: rgba(12, 24, 56, .55);
  --glow: 0 0 40px rgba(25, 245, 208, .25);

  --f-display: "Syne", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1240px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- 2) BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 clamp(1rem, .95rem + .25vw, 1.125rem)/1.7 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--cyan); color: var(--bg); }

.container { width: min(100%, var(--maxw)); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 200; background: var(--cyan); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-weight: 600; transition: top .2s; }
.skip:focus { top: 12px; }

/* FOUC koruması: JS yoksa her şey görünür kalır */
.js [data-reveal], .js [data-stagger] > * { opacity: 0; }
.rm [data-reveal], .rm [data-stagger] > *, .nogsap [data-reveal], .nogsap [data-stagger] > * { opacity: 1 !important; transform: none !important; }

/* ---------- 3) BİLEŞENLER ---------- */
.label { font: 500 .8rem/1 var(--f-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.4rem; }
h2 { font: 800 clamp(2.4rem, 6.2vw, 5.4rem)/1.02 var(--f-display); letter-spacing: -.02em; margin-bottom: 1.6rem; }
h2 em, .hero__slogan em { font-style: normal; background: linear-gradient(100deg, var(--cyan), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h3 { font: 700 1.35rem/1.2 var(--f-display); }
.lead { font-size: clamp(1.1rem, 1rem + .6vw, 1.4rem); color: var(--text); margin-bottom: 1rem; }
p { color: var(--muted); }
.eyebrow { font: 500 .85rem/1 var(--f-mono); letter-spacing: .3em; text-transform: uppercase; color: var(--cyan); }

.section { position: relative; padding-block: clamp(90px, 16vh, 180px); overflow: hidden; isolation: isolate; }
.bg-layer { position: absolute; inset: -22% 0; z-index: -1; pointer-events: none; will-change: transform; }

/* Arka plan katmanları: yüksek çözünürlüklü görsel (varsa) + gradient mesh + ızgara.
   assets/img/bg-N.jpg yoksa sadece gradient görünür. */
.bg-layer--1 { background:
  radial-gradient(60% 50% at 80% 20%, rgba(47,107,255,.28), transparent 70%),
  radial-gradient(40% 40% at 10% 80%, rgba(25,245,208,.14), transparent 70%),
  url("../assets/img/bg-1.jpg") center/cover, var(--bg-2); }
.bg-layer--2 { background:
  radial-gradient(50% 50% at 15% 30%, rgba(25,245,208,.14), transparent 70%),
  radial-gradient(50% 50% at 90% 90%, rgba(47,107,255,.22), transparent 70%),
  url("../assets/img/bg-2.jpg") center/cover, var(--bg); }
.bg-layer--3 { background:
  radial-gradient(60% 60% at 50% 0%, rgba(47,107,255,.24), transparent 70%),
  url("../assets/img/bg-3.jpg") center/cover, var(--bg-2); }
.bg-layer--4 { inset: 0; background:
  radial-gradient(50% 60% at 100% 50%, rgba(25,245,208,.12), transparent 70%),
  url("../assets/img/bg-4.jpg") center/cover, var(--bg); }
.bg-layer--5 { inset: 0; background:
  radial-gradient(60% 60% at 0% 100%, rgba(47,107,255,.25), transparent 70%),
  url("../assets/img/bg-5.jpg") center/cover, var(--bg-2); }
/* ızgara deseni (veri ızgarası hissi) */
.bg-layer::after, .projects .bg-layer::after, .process .bg-layer::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; opacity: .5;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent 85%); mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent 85%);
}

/* Butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 1rem 1.9rem; border-radius: 999px; font: 600 .95rem/1 var(--f-body); letter-spacing: .02em; transition: box-shadow .3s, background .3s, color .3s, border-color .3s; will-change: transform; }
.btn--primary { background: linear-gradient(100deg, var(--cyan), #5ab0ff); color: #03101f; box-shadow: var(--glow); }
.btn--primary:hover { box-shadow: 0 0 60px rgba(25,245,208,.5); }
.btn--ghost { border: 1px solid var(--line); background: rgba(255,255,255,.04); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn span, .more span { pointer-events: none; display: inline-block; }

/* Progress bar */
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 120; background: transparent; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform-origin: 0 50%; transform: scaleX(0); box-shadow: 0 0 12px var(--cyan); }

/* ---------- 4) NAV ---------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 18px var(--gutter); transition: background .4s, backdrop-filter .4s, padding .4s; }
/* Blur arka planı pseudo-elementte: nav'a backdrop-filter verilirse fixed mobil menü nav'a göre boyutlanır */
.nav::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(4, 9, 19, .72); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); opacity: 0; transition: opacity .4s; }
.nav.is-solid { padding-block: 12px; }
.nav.is-solid::before { opacity: 1; }
.logo { display: flex; align-items: center; gap: 10px; font: 800 1.1rem/1 var(--f-display); letter-spacing: .06em; }
.logo b { color: var(--cyan); font-weight: 800; }
.nav__links { display: flex; gap: clamp(14px, 2.4vw, 34px); font-size: .92rem; }
.nav__links a { position: relative; padding: 6px 0; color: var(--muted); transition: color .3s; }
.nav__links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; background: var(--cyan); transform: scaleX(0); transform-origin: 0 50%; transition: transform .4s var(--ease); }
.nav__links a:hover, .nav__links a.is-active { color: var(--text); }
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__tools { display: flex; gap: 10px; align-items: center; }
.lang { font: 500 .8rem/1 var(--f-mono); padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; transition: border-color .3s, color .3s; }
.lang:hover { border-color: var(--cyan); color: var(--cyan); }
.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; position: relative; }
.burger span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--text); transition: transform .3s, top .3s; }
.burger span:first-child { top: 17px; } .burger span:last-child { top: 23px; }
.burger[aria-expanded="true"] span:first-child { top: 20px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------- 5) HERO ---------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: center; overflow: hidden; isolation: isolate; }
.hero__media { position: absolute; inset: -12% 0; z-index: -3; background: radial-gradient(80% 80% at 70% 30%, #12307a, var(--bg) 70%) center/cover; will-change: transform; }
/* Poster / mobil yedek görsel (dosya yoksa gradient kalır) */
.hero__media { background-image: url("../assets/img/hero-poster.jpg"), radial-gradient(80% 80% at 70% 30%, #12307a, var(--bg) 70%); background-size: cover; background-position: center; }
.hero__media video { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.4s; }
.hero__media video.is-playing { opacity: 1; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero__overlay { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(180deg, rgba(4,9,19,.65) 0%, rgba(4,9,19,.25) 40%, rgba(4,9,19,.85) 85%, var(--bg) 100%),
  radial-gradient(70% 60% at 30% 55%, rgba(4,9,19,.55), transparent 70%); }
.hero__content { padding-top: 90px; }
.hero__title { font: 800 min(calc((100vw - 2 * var(--gutter)) / 6.9), 161px)/.92 var(--f-display); letter-spacing: -.035em; margin: 1.2rem 0 1.6rem; display: block; filter: drop-shadow(0 0 40px rgba(47,107,255,.45)); }
.hero__title .char-wrap { display: inline-block; overflow: hidden; padding-bottom: .08em; }
.hero__title .char { display: inline-block; will-change: transform; }
.hero__word { display: block; white-space: nowrap; }
.hero__title .hero__word--2 .char { background: linear-gradient(180deg, var(--cyan), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__slogan { font: 600 clamp(1.3rem, 3vw, 2.4rem)/1.2 var(--f-display); color: var(--text); max-width: 20ch; margin-bottom: 2.4rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.scroll-cue { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font: 500 .72rem/1 var(--f-mono); letter-spacing: .3em; text-transform: uppercase; color: var(--muted); }
.scroll-cue i { width: 1px; height: 54px; background: linear-gradient(var(--cyan), transparent); transform-origin: top; animation: cue 2s var(--ease) infinite; }
@keyframes cue { 0% { transform: scaleY(0); opacity: 1; } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }
.js:not(.rm) [data-hero-in] { opacity: 0; }

/* ---------- 6) ABOUT ---------- */
.about__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
.about__text p + p { margin-top: 1rem; }
.about__chart { padding: clamp(14px, 2vw, 28px); border: 1px solid var(--line); border-radius: 24px; background: var(--card); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.about__chart figcaption { font: 400 .82rem/1.5 var(--f-mono); color: var(--muted); margin-top: 12px; }
.chart-host svg { width: 100%; height: auto; overflow: visible; }
.bell-line { fill: none; stroke: var(--cyan); stroke-width: 3; filter: drop-shadow(0 0 8px var(--cyan)); }
.bell-area { fill: url(#bellGrad); }
.bell-bar { fill: rgba(47,107,255,.45); }
.bell-axis, .bell-sigma { stroke: var(--line); stroke-width: 1.2; }
.bell-sigma { stroke-dasharray: 4 5; stroke: rgba(25,245,208,.45); }
.chart-host text { fill: var(--muted); font: 400 11px var(--f-mono); }

.counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: clamp(50px, 9vh, 110px); }
.counter-card { padding: 28px 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); transition: border-color .4s, transform .4s var(--ease); }
.counter-card:hover { border-color: var(--cyan); transform: translateY(-6px); }
.counter { display: block; font: 800 clamp(2.4rem, 5vw, 4rem)/1 var(--f-display); background: linear-gradient(120deg, var(--text), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.counter-card span { display: block; margin-top: 10px; color: var(--muted); font-size: .9rem; }

/* ---------- 7) TEAM ---------- */
.team__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 2.5rem; perspective: 1200px; }
.card { min-width: 0; }
.card__inner { --mx: 50%; --my: 50%; position: relative; height: 100%; padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); will-change: transform; overflow: hidden; transition: border-color .4s; }
.card__inner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--mx) var(--my), rgba(25,245,208,.18), transparent 60%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.card:hover .card__inner, .card:focus-within .card__inner { border-color: rgba(25,245,208,.5); }
.card:hover .card__inner::before { opacity: 1; }
.avatar { width: 96px; height: 96px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 22px; font: 800 1.7rem/1 var(--f-display); color: #03101f;
  background: conic-gradient(from 200deg, hsl(var(--h) 95% 60%), var(--blue), hsl(var(--h) 95% 60%)); box-shadow: 0 0 40px hsla(var(--h), 95%, 60%, .35); }
.avatar span { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: var(--bg-2); color: var(--text); }
.role { margin: 6px 0 14px; font: 500 .78rem/1.4 var(--f-mono); letter-spacing: .06em; color: var(--cyan); text-transform: uppercase; }
.bio { font-size: .95rem; }
.card__links { display: flex; gap: 14px; margin-top: 18px; font: 500 .82rem/1 var(--f-mono); }
.card__links a { color: var(--text); border-bottom: 1px solid var(--line); padding-bottom: 3px; transition: color .3s, border-color .3s; }
.card__links a:hover { color: var(--cyan); border-color: var(--cyan); }

/* ---------- 8) SKILLS ---------- */
.skills__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; margin-top: 2rem; }
.radar-wrap { padding: 10px; }
.radar-grid { fill: none; stroke: var(--line); stroke-width: 1; }
.radar-axis { stroke: var(--line); }
.radar-shape { fill: rgba(25,245,208,.2); stroke: var(--cyan); stroke-width: 2.5; filter: drop-shadow(0 0 10px rgba(25,245,208,.6)); }
.radar-dot { fill: var(--bg); stroke: var(--cyan); stroke-width: 2.5; }
.radar-label { fill: var(--text) !important; font: 500 14px var(--f-body) !important; }
.bars h3 { margin-bottom: 22px; }
.bars ul:not(.chips) li { display: grid; grid-template-columns: 150px 1fr 36px; gap: 14px; align-items: center; margin-bottom: 16px; font-size: .95rem; }
.bars em { font: 500 .8rem var(--f-mono); color: var(--cyan); font-style: normal; text-align: right; }
.bar { height: 8px; border-radius: 8px; background: rgba(255,255,255,.07); overflow: hidden; }
.bar i { display: block; height: 100%; width: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform-origin: 0 50%; transform: scaleX(var(--s, 0)); }
.rm .bar i, .nogsap .bar i { transform: scaleX(var(--v)); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.chips li { padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; font: 400 .78rem/1 var(--f-mono); color: var(--muted); transition: all .3s; }
.chips li:hover { color: var(--bg); background: var(--cyan); border-color: var(--cyan); }

/* ---------- 9) PROJECTS ---------- */
.projects { position: relative; padding-block: clamp(80px, 12vh, 130px) 70px; background: var(--bg); overflow: hidden; isolation: isolate; }
.projects__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 2rem; }
.projects__head h2 { margin-bottom: 0; }
.hint { font: 500 .85rem var(--f-mono); letter-spacing: .1em; color: var(--muted); white-space: nowrap; }
.hscroll__track { display: flex; gap: 28px; padding: 10px var(--gutter) 30px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--blue) transparent; }
.pcard { position: relative; flex: 0 0 min(82vw, 480px); min-height: min(62vh, 520px); scroll-snap-align: start; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(160deg, rgba(20,40,96,.6), rgba(8,18,42,.7)); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); overflow: hidden; transition: border-color .4s, transform .5s var(--ease); }
.pcard:hover { border-color: rgba(25,245,208,.55); transform: translateY(-8px); }
.pcard__no { position: absolute; right: 22px; top: 8px; font: 800 6rem/1 var(--f-display); color: rgba(255,255,255,.05); }
.pcard h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin: 18px 0 10px; }
.pcard p { font-size: .98rem; }
.spark { height: 130px; margin-top: 4px; }
.spark svg { width: 100%; height: 100%; }
.spark .s-line { fill: none; stroke: var(--cyan); stroke-width: 2.4; filter: drop-shadow(0 0 6px var(--cyan)); }
.spark .s-fill { fill: rgba(25,245,208,.1); }
.spark .s-bar { fill: var(--blue); }
.spark .s-dot { fill: var(--cyan); opacity: .85; }
.spark .s-ref { stroke: rgba(255,255,255,.5); stroke-width: 1.5; stroke-dasharray: 5 4; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 24px; }
.tags li { font: 400 .74rem/1 var(--f-mono); padding: 6px 11px; border-radius: 999px; background: rgba(47,107,255,.18); color: #b8cdff; }
.more { margin-top: auto; align-self: flex-start; padding: 12px 22px; border: 1px solid var(--cyan); border-radius: 999px; color: var(--cyan); font-weight: 600; font-size: .9rem; transition: background .3s, color .3s; }
.more:hover { background: var(--cyan); color: var(--bg); }
.detail { display: none; }
.hprogress { height: 2px; margin: 8px var(--gutter) 0; background: var(--line); display: none; }
.hprogress span { display: block; height: 100%; background: var(--cyan); transform-origin: 0 50%; transform: scaleX(0); }
/* Pinned (masaüstü) mod: JS bu sınıfı ekler */
.projects.is-pinned { height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-block: 90px 40px; }
.projects.is-pinned .hscroll { overflow: visible; }
.projects.is-pinned .hscroll__track { width: max-content; overflow: visible; scroll-snap-type: none; padding-right: var(--gutter); }
.projects.is-pinned .pcard { flex-basis: min(32vw, 480px); }
.projects.is-pinned .hprogress { display: block; }

/* ---------- 10) PROCESS ---------- */
.process { position: relative; min-height: 100vh; display: grid; align-items: center; padding-block: 90px; background: var(--bg-2); overflow: hidden; isolation: isolate; }
.process__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(30px, 5vw, 80px); align-items: center; }
.process h2 { margin-bottom: 2rem; }
.steps { display: grid; gap: 6px; }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 14px; padding: 14px 18px; border-radius: 18px; border: 1px solid transparent; opacity: .38; transition: opacity .5s, background .5s, border-color .5s, transform .5s var(--ease); }
.step__no { font: 500 .9rem/1.9 var(--f-mono); color: var(--cyan); }
.step h3 { margin-bottom: 4px; }
.step p { font-size: .95rem; max-height: 0; overflow: hidden; transition: max-height .6s var(--ease); }
.step.is-active { opacity: 1; background: var(--card); border-color: var(--line); transform: translateX(10px); }
.step.is-active p { max-height: 8em; }
.steps__track { height: 3px; margin-top: 26px; background: var(--line); border-radius: 3px; overflow: hidden; }
.steps__track span { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform-origin: 0 50%; transform: scaleX(0); }
.process__chart { padding: clamp(10px, 2vw, 24px); border: 1px solid var(--line); border-radius: 28px; background: rgba(4,9,19,.55); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.proc .grid-l { stroke: var(--line); }
.proc .l { transition: opacity .8s var(--ease); opacity: 0; }
.proc .l.on { opacity: 1; }
.proc .l-axes { opacity: 1; }
.proc .l-points circle { fill: var(--cyan); opacity: 0; transform: scale(0); transform-box: fill-box; transform-origin: center; transition: opacity .5s, transform .6s var(--ease); }
.proc .l-points.on circle { opacity: .9; transform: scale(1); }
.proc .l-hist rect { fill: rgba(47,107,255,.55); transform-box: fill-box; transform-origin: bottom; transform: scaleY(0); transition: transform .8s var(--ease); }
.proc .l-hist.on rect { transform: scaleY(1); }
.proc .l-line { fill: none; stroke: #fff; stroke-width: 3; filter: drop-shadow(0 0 8px var(--blue)); }
.proc .l-resid line { stroke: rgba(255,120,150,.6); stroke-width: 1.2; }
.proc .l-band { fill: rgba(47,107,255,.18); }
.proc .l-label text { fill: var(--text); font: 500 13px var(--f-mono); }
.proc .l-label rect { fill: rgba(4,9,19,.85); stroke: var(--cyan); }
.proc .tick { fill: var(--muted); font: 400 10px var(--f-mono); }

/* ---------- 11) CONTACT ---------- */
.contact { background: var(--bg); }
.contact__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .7; }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: start; }
.social { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }
.social a { display: inline-block; padding: 12px 22px; border: 1px solid var(--line); border-radius: 999px; transition: border-color .3s, color .3s; }
.social a:hover { border-color: var(--cyan); color: var(--cyan); }
.form { display: grid; gap: 18px; padding: clamp(22px, 3vw, 38px); border: 1px solid var(--line); border-radius: 28px; background: var(--card); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.form label span { display: block; margin-bottom: 8px; font: 500 .78rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.form input, .form textarea { width: 100%; padding: 14px 16px; background: rgba(4,9,19,.7); color: var(--text); border: 1px solid var(--line); border-radius: 14px; font: inherit; transition: border-color .3s, box-shadow .3s; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(25,245,208,.18); }
.form .is-invalid { border-color: #ff6b8b; }
.form .hp { position: absolute; left: -9999px; }
.form button { justify-self: start; }
.form__status { min-height: 1.5em; font-size: .92rem; color: var(--cyan); }

/* ---------- 12) FOOTER / MODAL ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 34px; background: var(--bg); }
.footer__row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }
.footer a:hover { color: var(--cyan); }
.modal { width: min(92vw, 640px); max-height: 86vh; padding: 0; border: 1px solid rgba(25,245,208,.4); border-radius: 28px; background: var(--bg-2); color: var(--text); box-shadow: 0 30px 120px rgba(0,0,0,.7), var(--glow); overflow: auto; }
.modal::backdrop { background: rgba(2, 5, 12, .8); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal[open] { animation: pop .45s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(24px) scale(.96); } }
.modal__body { padding: clamp(26px, 4vw, 44px); }
.modal__body h3 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 22px; }
.modal__body dt { margin-top: 18px; font: 500 .75rem/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase; color: var(--cyan); }
.modal__body dd { margin-top: 6px; color: var(--text); }
.modal__close { position: absolute; right: 16px; top: 16px; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: var(--bg); z-index: 2; transition: border-color .3s; }
.modal__close:hover { border-color: var(--cyan); }

/* ---------- 13) RESPONSIVE ---------- */
@media (max-width: 1100px) {
  .burger { display: block; }
  .nav__links { position: fixed; inset: 0; flex-direction: column; justify-content: center; align-items: center; gap: 26px; font: 700 1.8rem var(--f-display); background: rgba(4,9,19,.96); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); transform: translateY(-100%); transition: transform .6s var(--ease); z-index: -1; }
  .nav__links.is-open { transform: none; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .counters { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .about__grid, .skills__grid, .process__inner, .contact__grid { grid-template-columns: 1fr; }
  .process { padding-block: 76px 20px; }
  .process__chart { order: -1; padding: 8px; }
  .process h2 { font-size: 2rem; margin-bottom: 1rem; }
  .process .label { margin-bottom: .6rem; }
  .hint { display: none; }
}
@media (max-width: 600px) {
  .team__grid { grid-template-columns: 1fr; }

  .scroll-cue { display: none; }
  .step { padding: 10px 12px; grid-template-columns: 40px 1fr; }
}
/* Mobilde video yok: statik poster + hafif canvas (JS da video'yu hiç yüklemez) */
@media (max-width: 768px) { .hero__media video { display: none; } }

/* ---------- 14) REDUCED MOTION ---------- */
.rm *, .rm *::before, .rm *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
.rm .step { opacity: 1; } .rm .step p { max-height: none; }
@media (prefers-reduced-motion: reduce) { .scroll-cue i { animation: none; } }

/* ---------- 15) YAZILIM BÖLÜMÜ ---------- */
.bg-layer--6 { background:
  radial-gradient(50% 50% at 90% 10%, rgba(25,245,208,.13), transparent 70%),
  radial-gradient(50% 50% at 5% 70%, rgba(47,107,255,.2), transparent 70%),
  url("../assets/img/bg-6.jpg") center/cover, var(--bg-2); }
.dev__lead { max-width: 60ch; }
.dev__top { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(24px, 4vw, 60px); align-items: start; margin-top: 2.4rem; }
.dev__h { font-size: clamp(1.5rem, 3vw, 2.2rem); margin: clamp(60px, 10vh, 110px) 0 1.6rem; }

.codewin { border: 1px solid var(--line); border-radius: 20px; background: rgba(3, 8, 20, .82); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 30px 80px rgba(0,0,0,.45), 0 0 60px rgba(47,107,255,.12); overflow: hidden; min-width: 0; }
.codewin__bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.03); overflow-x: auto; scrollbar-width: none; }
.dots { display: flex; gap: 7px; flex: none; }
.dots i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; } .dots i:nth-child(3) { background: #28c840; }
.tabs { display: flex; gap: 4px; }
.tabs button { padding: 7px 14px; border-radius: 8px; font: 500 .8rem/1 var(--f-mono); color: var(--muted); white-space: nowrap; transition: background .3s, color .3s; }
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] { background: rgba(25,245,208,.12); color: var(--cyan); }
.code { margin: 0; padding: 22px 0; overflow-x: auto; font: 400 clamp(.74rem, .68rem + .25vw, .9rem)/1.8 var(--f-mono); color: #cdd9f5; tab-size: 4; counter-reset: ln; }
.code[hidden] { display: none; }
.code code { display: block; min-width: max-content; font: inherit; }
.code .ln { display: block; padding: 0 22px 0 0; white-space: pre; }
.code .ln::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 3.2em; margin-right: 1.2em; padding-right: .8em; text-align: right; color: rgba(146,163,201,.45); border-right: 1px solid var(--line); }
.code .k { color: #c792ff; } .code .s { color: #8bf0c4; } .code .c { color: #66789f; font-style: italic; }
.code .f { color: #6cb4ff; } .code .n { color: #ffb86c; }

.dev__facts { display: grid; gap: 14px; }
.dev__facts li { padding: 18px 22px; border: 1px solid var(--line); border-left: 3px solid var(--cyan); border-radius: 14px; background: var(--card); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.dev__facts b { display: block; font: 700 1.1rem/1.3 var(--f-display); margin-bottom: 4px; }
.dev__facts span { color: var(--muted); font-size: .95rem; }

.stack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.stack__card { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--card); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); transition: border-color .4s, transform .4s var(--ease); }
.stack__card:hover { border-color: rgba(25,245,208,.5); transform: translateY(-6px); }
.stack__icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 12px; background: linear-gradient(135deg, rgba(47,107,255,.35), rgba(25,245,208,.25)); font: 700 1rem var(--f-mono); color: var(--cyan); }
.stack__card h4 { font: 700 1.2rem/1.2 var(--f-display); margin: 0 0 14px; }
.stack__card .chips { margin-top: 0; }
.stack__card--accent { background: linear-gradient(150deg, rgba(47,107,255,.35), rgba(25,245,208,.12)); }
.stack__card--accent p { font-size: .95rem; color: var(--text); }

.build { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: b; }
.build li { position: relative; padding: 28px 24px; border-radius: 22px; border: 1px solid var(--line); background: linear-gradient(170deg, rgba(20,40,96,.5), rgba(8,18,42,.6)); overflow: hidden; }
.build__no { font: 800 3.4rem/1 var(--f-display); color: rgba(255,255,255,.07); position: absolute; right: 16px; top: 8px; }
.build h4 { font: 700 1.15rem/1.25 var(--f-display); margin: 0 0 10px; position: relative; }
.build p { font-size: .93rem; position: relative; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.flow li { position: relative; padding: 0 22px 0 0; }
.flow li::before { content: ""; position: absolute; left: 0; right: 0; top: 14px; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--blue)); opacity: .5; }
.flow li code { position: relative; display: inline-block; margin-bottom: 18px; padding: 6px 12px; border-radius: 8px; background: var(--bg-2); border: 1px solid var(--cyan); font: 500 .8rem var(--f-mono); color: var(--cyan); }
.flow h4 { font: 700 1.1rem/1.2 var(--f-display); margin: 0 0 6px; }
.flow p { font-size: .92rem; }

@media (max-width: 1100px) { .stack { grid-template-columns: repeat(2, 1fr); } .build { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .dev__top { grid-template-columns: 1fr; } .flow { grid-template-columns: repeat(2, 1fr); row-gap: 34px; } }
@media (max-width: 600px) { .stack, .build, .flow { grid-template-columns: 1fr; } .code .ln::before { width: 2.4em; } }

/* ---------- 16) Profil verisi eklemeleri ---------- */
.bars__note { font-size: .85rem; margin: -10px 0 20px; color: var(--muted); }
.code-note { padding: 10px 22px 14px; font: 400 .74rem/1.5 var(--f-mono); color: var(--muted); border-top: 1px solid var(--line); }
.pcard__by { margin-top: 14px; font: 500 .74rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
.pcard__by + h3 { margin-top: 8px; }
.pcard .tags { margin-top: 16px; }
.modal__body .pcard__by { margin: -10px 0 8px; }
.modal__body dd a { color: var(--cyan); border-bottom: 1px solid rgba(25,245,208,.4); }
.modal__body dd a:hover { border-color: var(--cyan); }

/* Tek proje: yatay kaydırma yok, geniş kart */
.projects--single .hint, .projects--single .hprogress { display: none !important; }
.projects--single .hscroll__track { overflow: visible; }
.projects--single .pcard { flex: 0 1 min(100%, 760px); min-height: 0; }
.projects--single .pcard h3 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }

/* Profil fotoğrafı: baş harfler yedek olarak altta durur, fotoğraf üstüne biner */
.avatar span { position: relative; }
.avatar img { position: absolute; inset: 0; margin: auto; width: 84px; height: 84px; border-radius: 50%; object-fit: cover; }
.avatar { position: relative; }

/* Kart arka planı: profil fotoğrafının bulanık hâli (üstte koyu katman, okunabilirlik için) */
.card__inner::after { content: ""; position: absolute; inset: -30px; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(4,9,19,.35), rgba(4,9,19,.72)), var(--photo) center/cover no-repeat;
  filter: blur(26px) saturate(1.3); opacity: .9; transition: opacity .5s, transform .8s var(--ease); }
.card:hover .card__inner::after { opacity: 1; transform: scale(1.08); }
.card__inner > *, .card__inner::before { position: relative; z-index: 1; }
.card__inner::before { position: absolute; }

/* Proje kartı: sitenin ana sayfa görüntüsü (tarayıcı çerçevesi içinde) */
.pcard__shot { display: block; margin: 4px 0 6px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; box-shadow: 0 20px 50px rgba(0,0,0,.45); transition: transform .6s var(--ease), box-shadow .6s; }
.pcard__shot:hover { transform: translateY(-4px) scale(1.01); box-shadow: 0 30px 70px rgba(47,107,255,.35); }
.pcard__bar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: #eef0f6; }
.pcard__bar i { width: 9px; height: 9px; border-radius: 50%; background: #ff5f57; }
.pcard__bar i:nth-child(2) { background: #febc2e; } .pcard__bar i:nth-child(3) { background: #28c840; }
.pcard__bar em { margin-left: 10px; padding: 2px 12px; border-radius: 999px; background: #fff; font: 400 .7rem/1.6 var(--f-mono); color: #5b6478; font-style: normal; }
.pcard__shot img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; object-position: top; }

/* Dar ekranlarda logo ile menü butonları çakışmasın */
@media (max-width: 480px) { .logo { font-size: .92rem; letter-spacing: .03em; gap: 7px; } .logo svg { width: 24px; height: 24px; } .nav__tools { gap: 6px; } .lang { padding: 8px 11px; } }

/* ---------- 17) Kod çalıştırıcı ---------- */
.codewin__meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 18px; border-bottom: 1px solid var(--line); font: 400 .74rem/1.4 var(--f-mono); color: var(--muted); flex-wrap: wrap; }
.codewin__meta a { color: var(--cyan); border-bottom: 1px solid rgba(25,245,208,.35); }
.codewin__meta a:hover { border-color: var(--cyan); }
.mini { padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; font: 500 .74rem/1 var(--f-mono); color: var(--text); transition: border-color .3s, color .3s, background .3s; }
.mini:hover { border-color: var(--cyan); color: var(--cyan); }
.mini[aria-pressed="true"] { background: rgba(25,245,208,.14); border-color: var(--cyan); color: var(--cyan); }
.code { max-height: 440px; overflow: auto; }
.code[hidden], .code-edit[hidden] { display: none; }
.code-edit { display: block; width: 100%; box-sizing: border-box; min-height: 220px; max-height: 440px; padding: 22px; resize: vertical; background: transparent; color: #cdd9f5; border: 0; border-bottom: 1px solid var(--line); font: 400 clamp(.74rem, .68rem + .25vw, .9rem)/1.8 var(--f-mono); tab-size: 4; white-space: pre; overflow: auto; }
.code-edit:focus { outline: 2px solid var(--cyan); outline-offset: -2px; }
.runbar { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-top: 1px solid var(--line); background: rgba(255,255,255,.025); flex-wrap: wrap; }
.runbtn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px; background: linear-gradient(100deg, var(--cyan), #5ab0ff); color: #03101f; font: 600 .85rem/1 var(--f-body); box-shadow: var(--glow); transition: box-shadow .3s, opacity .3s; }
.runbtn:hover:not(:disabled) { box-shadow: 0 0 40px rgba(25,245,208,.5); }
.runbtn:disabled { opacity: .6; cursor: progress; }
.runbtn.is-busy span:first-child { animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.runstatus { margin-left: auto; font: 400 .74rem/1.4 var(--f-mono); color: var(--muted); }
.out { margin: 0; min-height: 90px; max-height: 280px; overflow: auto; padding: 14px 20px 16px; background: rgba(0,0,0,.35); border-top: 1px solid var(--line); font: 400 clamp(.74rem, .68rem + .2vw, .86rem)/1.65 var(--f-mono); color: #b9f5e6; white-space: pre-wrap; word-break: break-word; }
.out .is-hint { color: var(--muted); font-style: italic; }
.out .is-err { color: #ff8aa1; }

.pcard__shot--static { display: block; margin: 4px 0 6px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #0a0f1a; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
.pcard__shot--static img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.pcard__soon { padding: 3px 8px; border: 1px dashed var(--cyan); border-radius: 999px; font-size: .66rem; letter-spacing: .1em; }
.projects:not(.is-pinned) .pcard { flex: 0 0 min(82vw, 520px); }

.form__status[data-kind="err"] { color: #ff8aa1; }
.form button:disabled { opacity: .6; cursor: progress; }

/* =====================================================================
   19) MOBİL YENİDEN TASARIM (telefon ve küçük tablet)
   ===================================================================== */
@media (max-width: 900px) {
  .section { padding-block: 72px; }
  h2 { font-size: clamp(2rem, 9vw, 3rem); margin-bottom: 1.1rem; }
  .label { margin-bottom: 1rem; }
  .lead { font-size: 1.05rem; }

  /* Hero: düğmeler tam genişlik, başlık nefes alsın */
  .hero__content { padding-top: 84px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; padding: 1.05rem 1.5rem; }
  .hero__slogan { margin-bottom: 1.8rem; }

  /* Projeler: kaydırma ipucu görünsün, başlık altında */
  .projects__head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hint { display: block; }
  .hscroll__track { scroll-padding-left: var(--gutter); padding-bottom: 22px; }
  .pcard { padding: 22px; min-height: 0; }

  /* Hakkımızda: grafikler ve sayaçlar */
  .about__chart { padding: 12px; border-radius: 20px; }
  .counters { gap: 12px; margin-top: 40px; }
  .counter-card { padding: 20px 16px; border-radius: 16px; }
  .counter-card span { font-size: .82rem; line-height: 1.35; }

  /* Yöntemler: radar tam genişlik; araç çubukları iki satırlı, etiketler sıkı akış */
  .skills__grid { gap: 28px; }
  .radar-wrap { padding: 0; margin-inline: -6px; }
  .bars h3 { margin-bottom: 8px; }
  .bars__note { margin: 0 0 18px; }
  .bars ul:not(.chips) li { grid-template-columns: 1fr auto; column-gap: 12px; row-gap: 7px; margin-bottom: 14px; }
  .bars ul:not(.chips) li > span { grid-column: 1; grid-row: 1; }
  .bars ul:not(.chips) li > em { grid-column: 2; grid-row: 1; }
  .bars ul:not(.chips) li > .bar { grid-column: 1 / -1; grid-row: 2; height: 10px; }
  .chips { gap: 8px; margin-top: 22px; }
  .chips li { padding: 8px 13px; font-size: .78rem; }

  /* Yazılım */
  .dev__h { margin: 52px 0 1.1rem; }
  .codewin { border-radius: 16px; }
  .codewin__bar { padding: 10px 12px; }
  .tabs button { padding: 10px 14px; }
  .code { font-size: .74rem; max-height: 360px; }
  .code .ln::before { width: 2.3em; margin-right: .9em; }
  .runbar { padding: 12px; }
  .runbtn { padding: 12px 20px; }
  .mini { padding: 10px 14px; font-size: .78rem; }
  .runstatus { margin-left: 0; flex-basis: 100%; }
  .out { font-size: .78rem; max-height: 240px; }
  .stack__card { padding: 22px; }

  /* Ekip kartları */
  .card__inner { padding: 22px; }

  /* Süreç */
  .process__chart { padding: 6px; border-radius: 20px; }

  /* İletişim / footer */
  .social a { padding: 12px 18px; }
  .form { padding: 20px; border-radius: 22px; }
  .form input, .form textarea { font-size: 16px; } /* iOS yakınlaştırmasını önler */
  .form button { justify-self: stretch; width: 100%; padding: 1.05rem; }
  .footer__row { flex-direction: column; align-items: center; text-align: center; gap: 8px; }
}
@media (max-width: 480px) {
  :root { --gutter: 18px; }
  .counters { grid-template-columns: 1fr 1fr; }
  .counter { font-size: 2.3rem; }
  .pcard { flex-basis: 86vw; }
  .modal { width: 94vw; border-radius: 22px; }
  .modal__body { padding: 24px 20px; }
}
/* Dokunmatik cihazlarda küçük hedefler büyür */
@media (pointer: coarse) {
  .nav__links a { padding: 10px 0; }
  .card__links a { padding: 10px 2px; }
  .lang { padding: 11px 14px; }
}

.form__status a { color: var(--cyan); border-bottom: 1px solid rgba(25,245,208,.45); }

.linkbtn { color: var(--cyan); border-bottom: 1px solid rgba(25,245,208,.45); font: inherit; padding: 0; }
.form__detail { display: block; margin-top: 8px; color: var(--muted); font: 400 .72rem/1.4 var(--f-mono); }