/* ============================================================
   Ali Polat — CV sitesi
   Karanlık tema = DCS operatör ekranı · Açık tema = P&ID çizim kâğıdı
   ============================================================ */

:root {
  --font-baslik: "Space Grotesk", "IBM Plex Sans", system-ui, sans-serif;
  --font-govde: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --genislik: 1180px;
  --yaricap: 14px;
  --gecis: 180ms cubic-bezier(.2, .7, .2, 1);
}

/* ---------- KARANLIK: DCS ---------- */
:root, [data-theme="dark"] {
  --zemin: #0b1117;
  --zemin-2: #0f1720;
  --panel: #121c26;
  --panel-2: #172431;
  --cizgi: #22313f;
  --cizgi-2: #2e4153;
  --metin: #dbe5ee;
  --metin-2: #9db0c2;
  --metin-3: #8397aa;
  --vurgu: #3ddc97;          /* çalışıyor / proses yeşili */
  --vurgu-koyu: #1f9e69;
  --sinyal: #3cc8ff;         /* enstrüman sinyali */
  --amber: #ffb020;          /* alarm */
  --kirmizi: #ff5d5d;        /* trip */
  --sivi-ust: #3cc8ff;
  --sivi-alt: #1463a8;
  --golge: 0 10px 40px rgba(0, 0, 0, .45);
  --izgara: rgba(60, 200, 255, .05);
  --parlama: 0 0 18px rgba(61, 220, 151, .35);
  color-scheme: dark;
}

/* ---------- AÇIK: P&ID kâğıdı ---------- */
[data-theme="light"] {
  --zemin: #f4f1ea;
  --zemin-2: #efebe2;
  --panel: #fffdf8;
  --panel-2: #f7f4ec;
  --cizgi: #d9d3c5;
  --cizgi-2: #c4bca9;
  --metin: #1b2733;
  --metin-2: #475869;
  --metin-3: #5b6874;
  --vurgu: #0a7d5a;
  --vurgu-koyu: #075c42;
  --sinyal: #0067b1;
  --amber: #8f5300;
  --kirmizi: #c0392b;
  --sivi-ust: #4aa3df;
  --sivi-alt: #1e5f99;
  --golge: 0 8px 28px rgba(60, 50, 30, .12);
  --izgara: rgba(0, 80, 140, .07);
  --parlama: none;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--zemin);
  color: var(--metin);
  font: 400 17px/1.65 var(--font-govde);
  overflow-x: hidden;
  transition: background-color var(--gecis), color var(--gecis);
}
body::before { /* mühendislik ızgarası */
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -2;
  background-image:
    linear-gradient(var(--izgara) 1px, transparent 1px),
    linear-gradient(90deg, var(--izgara) 1px, transparent 1px);
  background-size: 28px 28px;
}
#arka-plan { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; opacity: .7; }
[data-theme="light"] #arka-plan { opacity: .55; }
img, svg { max-width: 100%; }
a { color: var(--sinyal); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-baslik); line-height: 1.15; margin: 0; letter-spacing: -.01em; }
::selection { background: var(--vurgu); color: var(--zemin); }
:focus-visible { outline: 2px solid var(--sinyal); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--vurgu); color: var(--zemin); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 12px; }

/* ---------- LED ---------- */
.led { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--metin-3); flex: none; }
.led-yesil { background: var(--vurgu); box-shadow: 0 0 8px var(--vurgu); }
.led-sari { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.led-kirmizi { background: var(--kirmizi); box-shadow: 0 0 8px var(--kirmizi); }
.yanip { animation: yanip 1.4s steps(2, jump-none) infinite; }
@keyframes yanip { 50% { opacity: .25; } }
[data-theme="light"] .led { box-shadow: none; }

/* ---------- DÜĞMELER ---------- */
.dugme {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px; border: 1px solid transparent;
  font: 600 15px/1 var(--font-govde); cursor: pointer; white-space: nowrap;
  transition: transform var(--gecis), background var(--gecis), border-color var(--gecis), box-shadow var(--gecis);
}
.dugme:hover { text-decoration: none; transform: translateY(-2px); }
.dugme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.dugme-ana { background: var(--vurgu); color: #06130d; box-shadow: var(--parlama); }
[data-theme="light"] .dugme-ana { color: #fff; }
.dugme-ana:hover { background: var(--vurgu-koyu); color: #fff; }
.dugme-ikinci { background: var(--panel-2); color: var(--metin); border-color: var(--cizgi-2); }
.dugme-ikinci:hover { border-color: var(--sinyal); }
.dugme-hayalet { background: transparent; color: var(--metin-2); border-color: var(--cizgi); }
.dugme-hayalet:hover { color: var(--metin); border-color: var(--amber); }
.dugme-kucuk {
  display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px;
  border-radius: 10px; border: 1px solid var(--cizgi); background: var(--panel); color: var(--metin);
  font: 600 13px/1 var(--font-mono); cursor: pointer; transition: border-color var(--gecis), color var(--gecis);
}
.dugme-kucuk:hover { border-color: var(--sinyal); }
.dugme-kucuk svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }

/* ---------- ÜST MENÜ ---------- */
.ust {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 68px;
  display: flex; align-items: center; gap: 20px; padding: 0 max(20px, calc((100vw - var(--genislik)) / 2));
  background: color-mix(in srgb, var(--zemin) 78%, transparent);
  backdrop-filter: blur(12px) saturate(1.3); -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border-bottom: 1px solid transparent; transition: border-color var(--gecis), background var(--gecis);
}
.ust.kaydi { border-bottom-color: var(--cizgi); }
.logo { display: flex; align-items: center; gap: 10px; color: var(--metin); font: 700 18px/1 var(--font-baslik); }
.logo:hover { text-decoration: none; }
.logo svg { width: 38px; height: 38px; }
.logo-kare { fill: var(--panel); stroke: var(--cizgi-2); stroke-width: 2; }
.logo-daire { fill: none; stroke: var(--vurgu); stroke-width: 3; }
.logo-cizgi { stroke: var(--vurgu); stroke-width: 2.5; }
.logo-ust, .logo-alt { fill: var(--metin); font: 700 15px var(--font-mono); }
.logo-alt { font-size: 13px; fill: var(--metin-2); }
.menu { display: flex; gap: 4px; margin-left: auto; }
.menu a { color: var(--metin-2); padding: 8px 12px; border-radius: 8px; font-size: 15px; font-weight: 500; transition: color var(--gecis), background var(--gecis); }
.menu a:hover, .menu a.aktif { color: var(--metin); background: var(--panel-2); text-decoration: none; }
.menu a.aktif { box-shadow: inset 0 -2px 0 var(--vurgu); }
.menu-oyun { color: var(--amber) !important; }
.araclar { display: flex; align-items: center; gap: 8px; }
.dugme-cv { padding: 9px 16px; background: var(--panel-2); color: var(--metin); border-color: var(--vurgu); font-size: 14px; }
#dil-dugme { display: inline-flex; align-items: center; white-space: nowrap; }
.dil-tr, .dil-en { color: var(--metin-2); transition: color var(--gecis); }
html[lang="tr"] .dil-tr, html[lang="en"] .dil-en { color: var(--vurgu); }
.ayrac { opacity: .3; margin: 0 2px; }
.tema-dugme .gunes { display: none; }
[data-theme="light"] .tema-dugme .gunes { display: block; }
[data-theme="light"] .tema-dugme .ay { display: none; }
.menu-ac { display: none; flex-direction: column; gap: 4px; }
.menu-ac span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform var(--gecis), opacity var(--gecis); }

/* ---------- HERO ---------- */
main { position: relative; }
.hero {
  min-height: 100svh; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 48px;
  padding: 110px max(20px, calc((100vw - var(--genislik)) / 2)) 70px; position: relative;
}
.kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; padding: 6px 12px; border: 1px solid var(--cizgi); border-radius: 999px; background: var(--panel); font: 500 12.5px/1 var(--font-mono); letter-spacing: .08em; color: var(--metin-2); }
.isim { font-size: clamp(52px, 8vw, 104px); font-weight: 700; letter-spacing: -.035em; line-height: .95; }
.isim-ad {  /* yeşil → camgöbeği akan dolgu */
  background: linear-gradient(100deg, var(--vurgu) 0%, var(--sinyal) 45%, var(--vurgu) 90%);
  background-size: 220% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: isim-akis 7s linear infinite;
}
@keyframes isim-akis { to { background-position: -220% center; } }
.isim-soyad { color: transparent; -webkit-text-stroke: 2px var(--vurgu); }
[data-theme="light"] .isim-soyad { -webkit-text-stroke-width: 2.2px; }
.rol { font: 600 clamp(18px, 2.2vw, 24px)/1.3 var(--font-baslik); color: var(--sinyal); margin: 18px 0 12px; }
.lead { font-size: clamp(17px, 1.6vw, 19px); color: var(--metin-2); max-width: 34em; margin: 0 0 30px; }
.hero-dugmeler { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-etiketler { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 30px 0 0; }
.hero-etiketler li, .etiket { font: 500 12.5px/1 var(--font-mono); padding: 7px 10px; border-radius: 6px; background: var(--panel); border: 1px solid var(--cizgi); color: var(--metin-2); }

.hero-pid { margin: 0; background: color-mix(in srgb, var(--panel) 88%, transparent); border: 1px solid var(--cizgi); border-radius: 18px; padding: 14px; box-shadow: var(--golge); position: relative; }
.pid-baslik { display: flex; align-items: center; gap: 8px; font: 500 12px/1 var(--font-mono); color: var(--metin-3); letter-spacing: .06em; text-transform: uppercase; padding: 4px 6px 12px; }
#pid { display: block; width: 100%; height: auto; }
.pid-izgara { fill: none; stroke: var(--izgara); stroke-width: 1; }
.boru { fill: none; stroke: var(--metin-2); stroke-width: 5; stroke-linejoin: round; }
.akis { fill: none; stroke: var(--sinyal); stroke-width: 2.2; stroke-dasharray: 8 14; animation: akis 1.6s linear infinite; }
.akis.hizli { animation-duration: .9s; }
@keyframes akis { to { stroke-dashoffset: -44; } }
.pid-ok { fill: var(--metin-2); }
.sinyal { fill: none; stroke: var(--vurgu); stroke-width: 1.6; stroke-dasharray: 7 5; animation: akis 2.4s linear infinite; }
.tank-govde { fill: var(--zemin-2); stroke: var(--metin-2); stroke-width: 3; }
.sivi-ust { stop-color: var(--sivi-ust); stop-opacity: .95; }
.sivi-alt { stop-color: var(--sivi-alt); }
.dalga { fill: var(--sivi-ust); opacity: .9; animation: dalga 3s ease-in-out infinite alternate; }
@keyframes dalga { to { transform: translateX(-28px); } }
.alarm-cizgi { stroke: var(--amber); stroke-width: 1.4; stroke-dasharray: 4 4; }
.alarm-cizgi.ll { stroke: var(--kirmizi); }
.alarm-cizgi.hh { stroke: var(--kirmizi); }
.pid-alarm { fill: var(--kirmizi); font: 600 11px var(--font-mono); }
.pid-etiket { fill: var(--metin); font: 600 13px var(--font-mono); }
.pid-yazi-kucuk { fill: var(--metin-3); font: 500 11px var(--font-mono); letter-spacing: .06em; }
.pid-deger { fill: var(--vurgu); font: 600 12.5px var(--font-mono); }
.balon circle { fill: var(--panel); stroke: var(--metin); stroke-width: 2; }
.balon rect { fill: none; stroke: var(--metin-2); stroke-width: 1.6; }
.balon path { stroke: var(--metin); stroke-width: 1.6; }
.balon text { fill: var(--metin); font: 600 10.5px var(--font-mono); text-anchor: middle; }
.balon.dcs circle { stroke: var(--sinyal); }
.pid-link:hover .balon circle { stroke: var(--amber); fill: color-mix(in srgb, var(--amber) 15%, var(--panel)); }
.pompa-govde { fill: var(--panel); stroke: var(--metin); stroke-width: 2.5; }
.pompa-uc { fill: var(--vurgu); }
.pompa-carki { animation: don 1.2s linear infinite; transform-origin: 0 0; }
@keyframes don { to { transform: rotate(360deg); } }
.orifis { stroke: var(--metin); stroke-width: 2.4; }
.vana-govde { fill: var(--panel); stroke: var(--metin); stroke-width: 2.4; stroke-linejoin: round; }
.vana-mil { stroke: var(--metin); stroke-width: 2.4; }
.vana-aktuator { fill: var(--panel); stroke: var(--sinyal); stroke-width: 2.4; }
#vana { transition: transform .5s; }
.trend-cerceve { fill: var(--zemin-2); stroke: var(--cizgi-2); }
.trend-pv { fill: none; stroke: var(--vurgu); stroke-width: 1.8; }
.trend-sp { stroke: var(--amber); stroke-width: 1; stroke-dasharray: 3 3; }

.asagi { position: absolute; left: 50%; bottom: 24px; width: 26px; height: 42px; border: 2px solid var(--cizgi-2); border-radius: 14px; transform: translateX(-50%); }
.asagi span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--vurgu); animation: kaydir 1.8s ease-in-out infinite; }
@keyframes kaydir { 60% { transform: translateY(12px); opacity: 0; } 61% { transform: none; opacity: 0; } 100% { opacity: 1; } }

/* ---------- FACEPLATE ---------- */
.faceplateler { padding: 0 max(20px, calc((100vw - var(--genislik)) / 2)); margin-top: -10px; }
.faceplate-izgara { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.faceplate { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 12px; padding: 14px 16px 16px; position: relative; overflow: hidden; }
.faceplate::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--vurgu); }
.faceplate-ust { display: flex; justify-content: space-between; align-items: center; font: 500 11.5px/1 var(--font-mono); color: var(--metin-3); letter-spacing: .06em; }
.faceplate-deger { font: 700 clamp(26px, 3vw, 34px)/1.1 var(--font-mono); color: var(--metin); margin: 12px 0 4px; font-variant-numeric: tabular-nums; }
.faceplate-birim { font-size: 13.5px; color: var(--metin-2); min-height: 2.6em; line-height: 1.3; }
.faceplate-bar { height: 6px; border-radius: 3px; background: var(--zemin-2); margin-top: 12px; overflow: hidden; border: 1px solid var(--cizgi); }
.faceplate-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--vurgu-koyu), var(--vurgu)); transition: width 1.6s cubic-bezier(.2, .7, .2, 1); }

/* ---------- BÖLÜMLER ---------- */
.bolum { padding: 110px max(20px, calc((100vw - var(--genislik)) / 2)) 30px; }
.bolum-baslik { margin-bottom: 44px; max-width: 760px; }
.tag { display: inline-block; font: 600 12.5px/1 var(--font-mono); letter-spacing: .1em; color: var(--vurgu); padding: 6px 10px; border: 1px dashed var(--vurgu); border-radius: 6px; margin: 0 0 16px; }
.bolum-baslik h2 { font-size: clamp(32px, 4.4vw, 50px); font-weight: 700; }
.bolum-alt { color: var(--metin-2); margin: 14px 0 0; }
.kucuk-baslik { font: 600 13px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--metin-3); margin-bottom: 16px; }

/* görünme animasyonu */
.gorun { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.gorun.goruldu { opacity: 1; transform: none; }

/* ---------- HAKKIMDA ---------- */
.hakkimda { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.ozet { font-size: clamp(18px, 1.8vw, 21px); line-height: 1.7; margin: 0 0 26px; }
.operator-notu { margin: 0; padding: 20px 22px; border-left: 3px solid var(--amber); background: var(--panel); border-radius: 0 12px 12px 0; color: var(--metin-2); }
.operator-notu p { margin: 0; }
.not-baslik { font: 600 12px/1 var(--font-mono) !important; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); margin-bottom: 10px !important; }
.kimlik-kart { background: var(--panel); border: 1px solid var(--cizgi); border-radius: var(--yaricap); padding: 26px; box-shadow: var(--golge); }
.kimlik-balon svg { width: 96px; height: 96px; display: block; margin: 0 auto 18px; }
.kimlik-kart dl { margin: 0; display: grid; gap: 14px; }
.kimlik-kart dl div { display: grid; gap: 2px; padding-bottom: 12px; border-bottom: 1px dashed var(--cizgi); }
.kimlik-kart dl div:last-child { border: 0; padding: 0; }
.kimlik-kart dt { font: 600 11.5px/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--metin-3); }
.kimlik-kart dd { margin: 0; font-weight: 500; }
.dil-bar { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; margin-top: 6px; font-size: 15px; }
.dil-bar i { grid-column: 1 / -1; height: 5px; border-radius: 3px; background: var(--zemin-2); overflow: hidden; }
.dil-bar i::before { content: ""; display: block; height: 100%; width: var(--oran); background: var(--sinyal); }
.dil-bar small { color: var(--metin-3); font-family: var(--font-mono); font-size: 12px; }

/* ---------- DENEYİM: PROSES HATTI ---------- */
.hat { list-style: none; padding: 0; margin: 0; position: relative; }
.hat::before { content: ""; position: absolute; left: 27px; top: 10px; bottom: 10px; width: 6px; border-radius: 3px; background: var(--cizgi-2); }
.hat::after { content: ""; position: absolute; left: 29px; top: 10px; width: 2px; height: calc(var(--dolum, 0) * (100% - 20px)); background: var(--sinyal); box-shadow: 0 0 10px var(--sinyal); transition: height .2s linear; }
.istasyon { position: relative; padding-left: 84px; margin-bottom: 26px; }
.istasyon-dugum { position: absolute; left: 6px; top: 20px; width: 48px; height: 48px; z-index: 1; }
.istasyon-dugum svg { width: 48px; height: 48px; }
.istasyon-dugum .vana-g { fill: var(--panel); stroke: var(--metin-2); stroke-width: 2.4; stroke-linejoin: round; transition: fill .5s, stroke .5s; }
.istasyon.goruldu .istasyon-dugum .vana-g { fill: color-mix(in srgb, var(--vurgu) 30%, var(--panel)); stroke: var(--vurgu); }
.istasyon-kart { background: var(--panel); border: 1px solid var(--cizgi); border-radius: var(--yaricap); padding: 22px 24px; transition: border-color var(--gecis), transform var(--gecis); }
.istasyon-kart:hover { border-color: var(--cizgi-2); transform: translateX(4px); }
.istasyon-ust { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; justify-content: space-between; }
.istasyon-ust h3 { font-size: 21px; }
.istasyon-tarih { font: 500 13px/1 var(--font-mono); color: var(--metin-3); white-space: nowrap; }
.istasyon-sirket { color: var(--sinyal); font-weight: 600; margin: 6px 0 0; }
.istasyon-sirket small { color: var(--metin-3); font-weight: 400; }
.aktif-rozet { display: inline-flex; align-items: center; gap: 6px; font: 600 11px/1 var(--font-mono); color: var(--vurgu); border: 1px solid var(--vurgu); border-radius: 999px; padding: 4px 8px; margin-left: 8px; vertical-align: middle; }
.istasyon-maddeler { margin: 14px 0 0; padding-left: 20px; color: var(--metin-2); }
.istasyon-maddeler li { margin: 6px 0; }
.istasyon-maddeler li::marker { color: var(--vurgu); }
.istasyon-maddeler.kapali li:nth-child(n+4) { display: none; }
.istasyon-etiketler { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.detay-dugme { margin-top: 12px; background: none; border: 0; padding: 0; color: var(--sinyal); font: 600 14px var(--font-govde); cursor: pointer; }
.detay-dugme:hover { text-decoration: underline; }

/* ---------- YETKİNLİK: PLC RAFI ---------- */
.raf { display: grid; grid-template-columns: 64px 64px repeat(5, minmax(0, 1fr)); gap: 10px; background: var(--zemin-2); border: 1px solid var(--cizgi-2); border-radius: 16px; padding: 14px; box-shadow: var(--golge), inset 0 0 0 4px var(--panel); }
.raf-psu, .raf-cpu { background: var(--panel-2); border: 1px solid var(--cizgi); border-radius: 8px; display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 14px 6px; font: 700 12px/1 var(--font-mono); color: var(--metin-2); }
.raf-cpu small { font-size: 10px; color: var(--vurgu); }
.kart { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 8px; padding: 12px 12px 14px; display: flex; flex-direction: column; min-height: 320px; transition: border-color var(--gecis), transform var(--gecis); }
.kart:hover { border-color: var(--vurgu); transform: translateY(-4px); }
.kart-ust { display: flex; justify-content: space-between; align-items: center; font: 700 12px/1 var(--font-mono); color: var(--metin-3); margin-bottom: 10px; }
.kart h3 { font-size: 16.5px; margin-bottom: 14px; min-height: 2.3em; }
.kanallar { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.kanal { display: grid; grid-template-columns: 10px 1fr; gap: 8px; align-items: start; font-size: 14px; color: var(--metin-2); line-height: 1.35; padding: 6px 8px; border-radius: 6px; transition: background var(--gecis), color var(--gecis); }
.kanal .led { margin-top: 4px; width: 8px; height: 8px; }
.kanal:hover { background: var(--panel-2); color: var(--metin); }
.kanal:hover .led { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.kanal-no { display: block; font: 500 10.5px/1 var(--font-mono); color: var(--metin-3); margin-bottom: 3px; }

/* ---------- PROJELER ---------- */
.proje-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.proje { background: var(--panel); border: 1px solid var(--cizgi); border-radius: var(--yaricap); padding: 22px; display: flex; flex-direction: column; gap: 12px; position: relative; overflow: hidden; transition: transform var(--gecis), border-color var(--gecis); }
.proje:hover { transform: translateY(-6px); border-color: var(--sinyal); }
.proje::before { content: ""; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--sinyal) 12%, transparent), transparent 40%); opacity: 0; transition: opacity var(--gecis); pointer-events: none; }
.proje:hover::before { opacity: 1; }
.proje-ikon { width: 64px; height: 64px; }
.proje-ikon * { fill: none; stroke: var(--sinyal); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.proje-ikon .dolu { fill: var(--vurgu); stroke: none; opacity: .85; }
.proje-tag { font: 600 12px/1 var(--font-mono); color: var(--metin-3); letter-spacing: .08em; }
.proje h3 { font-size: 19px; }
.proje p { margin: 0; color: var(--metin-2); font-size: 15px; }

/* ---------- EĞİTİM ---------- */
.egitim-izgara { display: grid; grid-template-columns: 1fr 1.3fr; gap: 36px; }
.kart-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.kart-liste li { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 12px; padding: 16px 18px; display: grid; gap: 4px; }
.kart-liste b { font-family: var(--font-baslik); font-size: 17px; font-weight: 600; }
.kart-liste span { color: var(--metin-2); font-size: 15px; }
.kart-liste small { font: 500 12.5px var(--font-mono); color: var(--metin-3); }

/* ---------- OYUN ---------- */
.oyun { display: grid; grid-template-columns: 1fr 300px; gap: 18px; align-items: start; }
.oyun-ekran { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--cizgi-2); background: #081018; box-shadow: var(--golge); }
[data-theme="light"] .oyun-ekran { background: #0d1822; } /* oyun ekranı her zaman DCS ekranı */
#oyun-tuval { display: block; width: 100%; height: auto; aspect-ratio: 900 / 480; touch-action: none; }
.oyun-perde { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 20px; text-align: center; background: rgba(5, 10, 15, .72); backdrop-filter: blur(3px); color: #e6eef5; }
.oyun-perde[hidden] { display: none; }
.oyun-perde-baslik { font: 700 clamp(20px, 3vw, 30px)/1.2 var(--font-baslik); margin: 0; }
.oyun-perde-alt { margin: 0 0 8px; color: #a9bccd; font-family: var(--font-mono); font-size: 14px; }
.oyun-panel { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 16px; padding: 18px; display: grid; gap: 14px; }
.oyun-gostergeler { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gosterge { background: var(--zemin-2); border: 1px solid var(--cizgi); border-radius: 10px; padding: 10px 12px; display: grid; gap: 4px; }
.gosterge span { font: 600 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--metin-3); }
.gosterge b { font: 700 20px/1.1 var(--font-mono); font-variant-numeric: tabular-nums; }
.alarm-kutu b { font-size: 15px; color: var(--vurgu); }
.alarm-kutu.uyari { border-color: var(--amber); } .alarm-kutu.uyari b { color: var(--amber); }
.alarm-kutu.tehlike { border-color: var(--kirmizi); animation: yanip .7s steps(2, jump-none) infinite; } .alarm-kutu.tehlike b { color: var(--kirmizi); }
.vana-etiket { display: flex; justify-content: space-between; font-weight: 600; font-size: 14.5px; }
.vana-etiket b { font-family: var(--font-mono); color: var(--sinyal); }
.vana-kontrol { display: grid; grid-template-columns: 44px 1fr 44px; gap: 8px; align-items: center; }
.vana-kontrol .dugme-kucuk { height: 44px; font-size: 20px; }
input[type="range"] { width: 100%; accent-color: var(--sinyal); height: 30px; }
.oyun-alt-dugmeler { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.oyun-alt-dugmeler .dugme { justify-content: center; padding: 10px 8px; font-size: 13.5px; white-space: normal; text-align: center; }
.oyun-ipucu { margin: 0; font-size: 13px; color: var(--metin-3); }
.oto-not { color: var(--amber); }

/* ---------- İLETİŞİM ---------- */
.iletisim { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: start; }
.iletisim-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.iletisim-oge { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 14px; background: var(--panel); border: 1px solid var(--cizgi); border-radius: 14px; padding: 14px 16px; transition: border-color var(--gecis); }
.iletisim-oge:hover { border-color: var(--sinyal); }
.iletisim-ikon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--panel-2); border: 1px solid var(--cizgi); }
.iletisim-ikon svg { width: 22px; height: 22px; fill: none; stroke: var(--sinyal); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.iletisim-oge small { display: block; font: 600 11.5px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--metin-3); margin-bottom: 4px; }
.iletisim-oge a, .iletisim-oge span { font-weight: 600; word-break: break-word; color: var(--metin); }
.cv-kutu { background: var(--panel); border: 1px solid var(--cizgi); border-radius: 16px; padding: 22px; display: grid; gap: 12px; }
.cv-indir { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--cizgi); color: var(--metin); font-weight: 600; transition: border-color var(--gecis), transform var(--gecis); }
.cv-indir:hover { border-color: var(--vurgu); text-decoration: none; transform: translateX(4px); }
.cv-indir svg { width: 34px; height: 40px; flex: none; }
.cv-indir svg path { fill: var(--panel-2); stroke: var(--vurgu); stroke-width: 2; stroke-linejoin: round; }
.cv-indir svg text { fill: var(--vurgu); font: 700 11px var(--font-mono); }
.kucuk-not { margin: 4px 0 0; font-size: 13.5px; color: var(--metin-3); }

/* ---------- ALT ---------- */
.alt { margin-top: 90px; padding: 28px max(20px, calc((100vw - var(--genislik)) / 2)) 36px; border-top: 1px solid var(--cizgi); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--metin-3); font-size: 14px; }
.alt p { margin: 0; display: flex; align-items: center; gap: 8px; }
.noscript { text-align: center; padding: 20px; }

/* ---------- DUYARLI ---------- */
@media (max-width: 1100px) {
  .faceplate-izgara { grid-template-columns: repeat(3, 1fr); }
  .raf { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .raf-psu, .raf-cpu { flex-direction: row; justify-content: center; padding: 10px; }
  .proje-izgara { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .menu { position: fixed; inset: 68px 0 auto; flex-direction: column; gap: 2px; padding: 12px 20px 20px; background: var(--zemin); border-bottom: 1px solid var(--cizgi); transform: translateY(-110%); visibility: hidden; transition: transform var(--gecis), visibility var(--gecis); }
  .menu.acik { transform: none; visibility: visible; }
  .menu a { padding: 12px; font-size: 17px; }
  .menu-ac { display: inline-flex; }
  .menu-ac[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-ac[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-ac[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .araclar { margin-left: auto; }
  .hero { grid-template-columns: 1fr; padding-top: 100px; gap: 36px; }
  .hakkimda, .egitim-izgara, .iletisim, .oyun { grid-template-columns: 1fr; }
  .asagi { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .ust { gap: 10px; }
  .logo-yazi { display: none; }
  .dugme-cv { display: none; }
  .faceplate-izgara { grid-template-columns: 1fr 1fr; }
  .faceplate:last-child { grid-column: 1 / -1; }
  .raf { grid-template-columns: 1fr; }
  .kart { min-height: 0; }
  .proje-izgara { grid-template-columns: 1fr; }
  .istasyon { padding-left: 58px; }
  .istasyon-dugum { left: 0; width: 40px; height: 40px; }
  .istasyon-dugum svg { width: 40px; height: 40px; }
  .hat::before { left: 17px; } .hat::after { left: 19px; }
  .istasyon-kart { padding: 18px; }
  .bolum { padding-top: 84px; }
  .hero-dugmeler .dugme { flex: 1 1 auto; justify-content: center; }
}

/* ---------- HAREKET AZALTMA ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .gorun { opacity: 1; transform: none; }
  #arka-plan { display: none; }
}

/* ---------- YAZDIRMA ---------- */
@media print {
  .ust, #arka-plan, .hero-pid, .asagi, #oyun, .skip, .menu-ac { display: none !important; }
  body { background: #fff; color: #000; }
  .gorun { opacity: 1 !important; transform: none !important; }
}

/* ---------- GİZLİ OPERATÖR KONSOLU (~) ---------- */
.konsol { position: fixed; right: 20px; bottom: 20px; z-index: 90; width: min(560px, calc(100vw - 40px)); height: 340px; display: flex; flex-direction: column; background: #061009; color: #7dffb0; border: 1px solid #1f5a3a; border-radius: 12px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); font: 13.5px/1.55 var(--font-mono); overflow: hidden; }
.konsol[hidden] { display: none; }
.konsol-ust { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: #0b1d12; border-bottom: 1px solid #1f5a3a; color: #9fdcb8; }
.konsol-ust span { display: flex; align-items: center; gap: 8px; }
.konsol-kapat { background: none; border: 0; color: #9fdcb8; font-size: 20px; line-height: 1; cursor: pointer; }
.konsol-cikti { flex: 1; overflow-y: auto; padding: 10px 14px; }
.konsol-cikti p { margin: 0 0 4px; white-space: pre-wrap; }
.k-komut { color: #e6f5ec; } .k-bilgi { color: #6fd0ff; } .k-hata { color: #ff8b8b; } .k-ok { color: #3ddc97; font-weight: 600; }
.konsol-form { display: flex; gap: 8px; padding: 10px 14px; border-top: 1px solid #1f5a3a; }
.konsol-form input { flex: 1; background: transparent; border: 0; outline: 0; color: #e6f5ec; font: inherit; }

/* ---------- AÇILIŞ (DCS boot) ---------- */
.acilis { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: #050a0e; transition: opacity .45s ease; }
.acilis.bitti { opacity: 0; pointer-events: none; }
.acilis pre { margin: 0; color: #3ddc97; font: 600 clamp(13px, 1.8vw, 17px)/1.8 var(--font-mono); min-width: min(420px, 90vw); min-height: 9em; }
.acilis button { position: absolute; right: 20px; bottom: 20px; background: none; border: 1px solid #1f5a3a; color: #7dffb0; border-radius: 8px; padding: 6px 10px; font: 600 12px var(--font-mono); cursor: pointer; }

/* ---------- mobil ince ayar ---------- */
@media (max-width: 640px) {
  .iletisim-oge { grid-template-columns: 40px 1fr; padding: 12px; }
  .iletisim-ikon { width: 40px; height: 40px; }
  .iletisim-oge .kopyala { grid-column: 2; justify-self: start; height: 32px; }
  .iletisim-oge a, .iletisim-oge span { word-break: normal; overflow-wrap: anywhere; font-size: 15px; }
  .kanallar { grid-template-columns: 1fr 1fr; gap: 4px; }
  .kanal { font-size: 13px; padding: 5px 6px; }
  .kart h3 { min-height: 0; margin-bottom: 8px; }
  .raf-psu, .raf-cpu { padding: 6px; }
  .oyun-panel { padding: 14px; }
}

/* ---------- MESAİ DIŞINDA ---------- */
.tag-sicak { color: var(--amber); border-color: var(--amber); }

/* ---------- HOBİ PROJELERİ ---------- */
.hobi-izgara { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hobi { background: var(--panel); border: 1px solid var(--cizgi); border-radius: var(--yaricap); padding: 20px 22px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; transition: transform var(--gecis), border-color var(--gecis); }
.hobi::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: repeating-linear-gradient(90deg, var(--amber) 0 14px, transparent 14px 22px); opacity: .55; }
.hobi:hover { transform: translateY(-5px); border-color: var(--amber); }
.hobi-ust { display: flex; justify-content: space-between; align-items: center; }
.hobi-ikon { font-size: 30px; line-height: 1; transition: transform .4s cubic-bezier(.2, .7, .2, 1.4); }
.hobi:hover .hobi-ikon { transform: scale(1.15) rotate(-8deg); }
.hobi-durum { display: inline-flex; align-items: center; gap: 6px; font: 600 11px/1 var(--font-mono); letter-spacing: .06em; color: var(--vurgu); border: 1px solid currentColor; border-radius: 999px; padding: 5px 9px; }
.hobi-durum.gelistiriliyor { color: var(--amber); }
.hobi h4 { margin: 0; font: 600 18px/1.25 var(--font-baslik); }
.hobi p { margin: 0; color: var(--metin-2); font-size: 14.8px; line-height: 1.55; flex: 1; }
@media (max-width: 1100px) { .hobi-izgara { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .hobi-izgara { grid-template-columns: 1fr; } }