/* ============================================================
   Taha Lenger — kişisel site
   El yazımı CSS. Framework yok, build adımı yok.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --bg:#0d0e10;
  --bg-elev:#121419;
  --surface:#16181d;
  --line:#262a31;
  --line-soft:#1b1e24;

  --ink:#ece9e3;
  --ink-dim:#b7b3ab;
  --muted:#85888f;

  --accent:#d4772e;
  --accent-ink:#e79a5c;
  --accent-wash:rgba(212,119,46,.10);
  --accent-line:rgba(212,119,46,.35);

  --wrap:1180px;
  --gutter:clamp(20px,4vw,40px);
  --sect-y:clamp(64px,9vw,124px);

  --f-display:"Space Grotesk","Helvetica Neue",Arial,sans-serif;
  --f-body:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
}

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

html{
  scroll-behavior:smooth;
  scroll-padding-top:84px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:clamp(15px,.35vw + 14.2px,16.5px);
  line-height:1.65;
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* Blueprint grid + warm ambient — very low contrast, purely texture */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:88px 88px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(760px 500px at 8% -6%, rgba(212,119,46,.10), transparent 62%);
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

::selection{background:var(--accent);color:#14100c}

:where(a,button,summary):focus-visible{
  outline:2px solid var(--accent-ink);
  outline-offset:3px;
  border-radius:2px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--accent);color:#14100c;
  padding:10px 16px;font-family:var(--f-mono);font-size:13px;
}
.skip-link:focus{left:12px;top:12px}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
  position:relative;
  z-index:1;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(13,14,16,.82);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(14px,3vw,36px);
  min-height:66px;
}
.brand{display:flex;flex-direction:column;gap:1px;margin-right:auto;min-width:0}
.brand-name{
  font-family:var(--f-display);
  font-weight:600;
  font-size:15px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-role{
  font-family:var(--f-mono);
  font-size:10.5px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}

.site-nav{
  display:flex;
  gap:clamp(12px,1.6vw,24px);
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  overflow-x:auto;
  scrollbar-width:none;
  max-width:100%;
}
.site-nav::-webkit-scrollbar{display:none}
.site-nav a{
  color:var(--muted);
  padding:6px 0;
  white-space:nowrap;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.site-nav a:hover{color:var(--ink);border-bottom-color:var(--line)}
.site-nav a.is-current{color:var(--accent-ink);border-bottom-color:var(--accent-line)}

.lang-switch{
  display:flex;align-items:center;gap:6px;
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;
  border:1px solid var(--line);
  padding:0 9px;
  min-height:36px;
  flex:none;
}
.lang-btn{
  display:inline-flex;align-items:center;
  min-height:34px;
  color:var(--muted);padding:0 1px;
  transition:color .18s var(--ease);
}
.lang-btn:hover{color:var(--ink)}
.lang-btn.is-active{color:var(--accent-ink)}
.lang-sep{color:var(--line)}

/* ---------- Hero ---------- */
.hero{
  padding-top:clamp(48px,7vw,92px);
  padding-bottom:0;
  border-bottom:1px solid var(--line-soft);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);
  gap:clamp(28px,5vw,72px);
  align-items:start;
  padding-bottom:clamp(40px,5vw,64px);
}

.eyebrow{
  display:flex;align-items:center;gap:10px;
  margin:0 0 20px;
  font-family:var(--f-mono);
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);
}
.dot{
  width:6px;height:6px;background:var(--accent);border-radius:50%;
  box-shadow:0 0 0 4px var(--accent-wash);
  animation:pulse 3.2s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

h1{
  margin:0 0 18px;
  font-family:var(--f-display);
  font-weight:700;
  font-size:clamp(44px,8.2vw,88px);
  line-height:.96;
  letter-spacing:-.035em;
  text-wrap:balance;
}

.lede{
  margin:0 0 20px;
  font-family:var(--f-display);
  font-weight:400;
  font-size:clamp(18px,1.9vw,23px);
  line-height:1.35;
  letter-spacing:-.012em;
  color:var(--ink);
  max-width:26ch;
  text-wrap:pretty;
}
.hero-copy{
  margin:0 0 32px;
  color:var(--ink-dim);
  max-width:56ch;
  text-wrap:pretty;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;
  padding:10px 18px;
  border:1px solid var(--line);
  font-family:var(--f-mono);
  font-size:12px;letter-spacing:.06em;
  color:var(--ink-dim);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{
  color:var(--ink);
  border-color:var(--accent-line);
  background:var(--accent-wash);
  transform:translateY(-1px);
}
.btn svg{width:15px;height:15px;flex:none}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#17120c;
  font-weight:500;
}
.btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink);color:#17120c}

/* datasheet */
.datasheet{
  margin:0;
  border-top:1px solid var(--line);
}
.ds-row{
  display:grid;
  grid-template-columns:92px minmax(0,1fr);
  gap:16px;
  padding:13px 0;
  border-bottom:1px solid var(--line-soft);
}
.ds-row dt{
  font-family:var(--f-mono);
  font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);
  padding-top:3px;
}
.ds-row dd{
  margin:0;
  font-size:14px;
  line-height:1.55;
  color:var(--ink-dim);
}

.meta-strip{
  display:flex;flex-wrap:wrap;
  gap:0;
  border-top:1px solid var(--line-soft);
}
.meta-strip span{
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);
  padding:14px 18px 14px 0;
}
.meta-strip span + span{padding-left:18px;border-left:1px solid var(--line-soft)}

/* ---------- Section shell ---------- */
.section{
  padding-block:var(--sect-y);
  border-bottom:1px solid var(--line-soft);
}
.section-head{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:clamp(12px,2vw,26px);
  align-items:baseline;
  margin-bottom:clamp(34px,4.6vw,58px);
}
.idx{
  font-family:var(--f-mono);
  font-size:12px;letter-spacing:.1em;
  color:var(--accent);
  padding-top:.55em;
}
.section-head h2{
  margin:0;
  font-family:var(--f-display);
  font-weight:600;
  font-size:clamp(27px,4vw,44px);
  line-height:1.08;
  letter-spacing:-.026em;
  text-wrap:balance;
}
.section-note{
  grid-column:2;
  margin:14px 0 0;
  max-width:62ch;
  color:var(--muted);
  font-size:14.5px;
  text-wrap:pretty;
}

/* ---------- Prose ---------- */
.prose{margin-left:56px}
.prose p{margin:0 0 20px;color:var(--ink-dim);text-wrap:pretty;max-width:74ch}
.prose p:first-child{color:var(--ink)}
.prose p:last-child{margin-bottom:0}

/* ---------- Domains ---------- */
.domains{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.domain{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:clamp(12px,2vw,26px);
  padding:clamp(26px,3.4vw,40px) 0;
  border-bottom:1px solid var(--line-soft);
  transition:background-color .25s var(--ease);
}
.domain:hover{background:linear-gradient(90deg,var(--accent-wash),transparent 62%)}
.d-idx{
  font-family:var(--f-mono);
  font-size:12px;letter-spacing:.1em;
  color:var(--muted);
  padding-top:.5em;
  transition:color .25s var(--ease);
}
.domain:hover .d-idx{color:var(--accent)}
.d-body{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(16px,3vw,48px);align-items:start}
.d-body h3{
  margin:0;
  font-family:var(--f-display);
  font-weight:600;
  font-size:clamp(19px,2.1vw,25px);
  line-height:1.2;
  letter-spacing:-.018em;
}
.d-body p{margin:0 0 16px;color:var(--ink-dim);text-wrap:pretty}
.d-body .tags{margin-top:0}
.d-body > p{grid-column:2}
.d-body > h3{grid-column:1;grid-row:1 / span 2}

/* ---------- Tags ---------- */
.tags{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:6px;
}
.tags li{
  font-family:var(--f-mono);
  font-size:10.5px;letter-spacing:.06em;
  color:var(--muted);
  border:1px solid var(--line);
  padding:3px 8px;
  white-space:nowrap;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.domain:hover .tags li,.project:hover .tags li{color:var(--ink-dim);border-color:#31363e}
.tags-lg li{font-size:11.5px;padding:5px 10px}

/* ---------- Projects ---------- */
.projects{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.project{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:clamp(12px,2vw,26px);
  padding:clamp(26px,3.4vw,42px) 0;
  border-bottom:1px solid var(--line-soft);
  transition:background-color .25s var(--ease);
}
.project:hover{background:linear-gradient(90deg,var(--accent-wash),transparent 62%)}
.p-idx{
  font-family:var(--f-mono);
  font-size:12px;letter-spacing:.1em;
  color:var(--muted);
  padding-top:.5em;
  transition:color .25s var(--ease);
}
.project:hover .p-idx{color:var(--accent)}
.p-body{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(14px,3vw,46px)}
.p-top{
  grid-column:1;grid-row:1;
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
}
.p-top h3{
  margin:0;
  font-family:var(--f-display);
  font-weight:600;
  font-size:clamp(19px,2.1vw,25px);
  line-height:1.2;
  letter-spacing:-.018em;
}
.p-year{
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.08em;
  color:var(--muted);
  flex:none;
}
.p-kind{
  grid-column:1;grid-row:2;
  margin:6px 0 0;
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--accent);
  line-height:1.5;
}
.p-desc{
  grid-column:2;grid-row:1 / span 2;
  margin:0 0 16px;
  color:var(--ink-dim);
  text-wrap:pretty;
}
.p-body .tags{grid-column:2;grid-row:3;align-self:end}

/* ---------- Timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.tl-item{
  display:grid;
  grid-template-columns:170px minmax(0,1fr);
  gap:clamp(16px,3vw,44px);
  padding:clamp(24px,3vw,36px) 0;
  border-bottom:1px solid var(--line-soft);
}
.tl-date{
  font-family:var(--f-mono);
  font-size:11.5px;letter-spacing:.07em;
  color:var(--muted);
  padding-top:5px;
}
.tl-body{position:relative;padding-left:26px;border-left:1px solid var(--line)}
.tl-body::before{
  content:"";position:absolute;left:-3.5px;top:9px;
  width:6px;height:6px;background:var(--line);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.tl-item:hover .tl-body::before{background:var(--accent);box-shadow:0 0 0 4px var(--accent-wash)}
.tl-body h3{
  margin:0 0 3px;
  font-family:var(--f-display);
  font-weight:600;
  font-size:clamp(17px,1.75vw,20px);
  letter-spacing:-.012em;
}
.tl-role{
  margin:0 0 12px;
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--accent);
}
.tl-body p:last-child{margin:0;color:var(--ink-dim);max-width:78ch;text-wrap:pretty}

/* ---------- Stack ---------- */
.stack{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:clamp(22px,3vw,40px);
}
.stack-group h3{
  margin:0 0 14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  font-weight:500;
  color:var(--muted);
}
.creds{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:clamp(22px,3vw,40px);
  margin-top:clamp(38px,5vw,64px);
  padding-top:clamp(26px,3vw,38px);
  border-top:1px solid var(--line-soft);
}
.cred h3{
  margin:0 0 12px;
  font-family:var(--f-mono);
  font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  font-weight:500;color:var(--muted);
}
.cred ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.cred li{color:var(--ink-dim);font-size:14.5px;padding-left:16px;position:relative}
.cred li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:1px;background:var(--accent)}

/* ---------- Contact ---------- */
.section-contact{border-bottom:0}
.contact-lead{
  margin:0 0 38px;
  margin-left:56px;
  max-width:58ch;
  font-family:var(--f-display);
  font-size:clamp(18px,2.1vw,24px);
  line-height:1.38;
  letter-spacing:-.014em;
  color:var(--ink);
  text-wrap:pretty;
}
.contact-grid{
  margin-left:56px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:clamp(14px,1.8vw,20px);
}
.contact-card{
  display:flex;flex-direction:column;gap:6px;
  padding:22px;
  border:1px solid var(--line);
  background:var(--bg-elev);
  transition:border-color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);
}
.contact-card:hover{
  border-color:var(--accent-line);
  background:var(--accent-wash);
  transform:translateY(-2px);
}
.cc-label{
  font-family:var(--f-mono);
  font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);
}
.cc-value{font-size:15px;color:var(--ink);word-break:break-word}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line-soft);
  padding-block:28px 40px;
}
.footer-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;
  font-family:var(--f-mono);
  font-size:11.5px;letter-spacing:.05em;
  color:var(--muted);
}
.footer-inner .footer-note{margin-right:auto}
.footer-inner a{color:var(--muted);transition:color .2s var(--ease)}
.footer-inner a:hover{color:var(--accent-ink)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
html.no-motion .reveal{opacity:1;transform:none;transition:none}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .d-body{grid-template-columns:1fr}
  .d-body > h3{grid-row:auto}
  .d-body > p,.p-desc,.p-body .tags{grid-column:1}
  .p-body{grid-template-columns:1fr}
  .p-desc{grid-row:auto}
  .p-body .tags{grid-row:auto}
}

@media (max-width:820px){
  .site-nav{display:none}
  .prose,.contact-lead,.contact-grid{margin-left:0}
  .tl-item{grid-template-columns:1fr;gap:10px}
  .tl-date{padding-top:0}
  .lang-switch{min-height:42px;padding:0 11px}
  .lang-btn{min-height:42px;padding:0 3px}
}

@media (max-width:640px){
  :root{--sect-y:56px}
  .section-head{grid-template-columns:1fr;gap:6px}
  .section-note{grid-column:1}
  .idx{padding-top:0}
  .domain,.project{grid-template-columns:1fr;gap:8px}
  .d-idx,.p-idx{padding-top:0}
  .p-top{flex-direction:column;gap:2px}
  .lede{max-width:none}
  .meta-strip span{padding:10px 12px 10px 0}
  .meta-strip span + span{padding-left:12px}
}

/* ---------- Motion / print ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

@media print{
  body{background:#fff;color:#111}
  body::before,body::after{display:none}
  .site-header,.site-nav,.lang-switch,.skip-link,.hero-actions,.meta-strip{display:none}
  .section{padding-block:22px;border-color:#ddd;break-inside:avoid}
  .reveal{opacity:1;transform:none}
}


/* ============================================================
   TEKNİK KATMAN — v2
   Referans çizgileri, köşe braketleri, tarama animasyonları.
   Hepsi dekoratif; içerik ve okunabilirlik önce gelir.
   ============================================================ */

/* --- Izgara dokusu: çok yavaş sürüklenme --- */
body::before{
  background-image:
    linear-gradient(to right, rgba(255,255,255,.030) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.030) 1px, transparent 1px),
    linear-gradient(to right, rgba(212,119,46,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(212,119,46,.045) 1px, transparent 1px);
  background-size:88px 88px,88px 88px,440px 440px,440px 440px;
  animation:gridDrift 60s linear infinite;
}
@keyframes gridDrift{
  from{background-position:0 0,0 0,0 0,0 0}
  to{background-position:88px 88px,88px 88px,440px 440px,440px 440px}
}

/* --- Üst çubuk: alt kenarda akan teknik çizgi --- */
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-line) 22%,rgba(212,119,46,.9) 50%,var(--accent-line) 78%,transparent);
  background-size:220% 100%;
  animation:trace 7s linear infinite;
  opacity:.75;
  pointer-events:none;
}
@keyframes trace{
  from{background-position:120% 0}
  to{background-position:-120% 0}
}
.site-header{position:sticky}

/* --- Köşe braketleri --- */
.contact-card,.stack-group,.cred{position:relative}
.contact-card::before,.contact-card::after,
.stack-group::before,.stack-group::after,
.cred::before,.cred::after{
  content:"";
  position:absolute;
  width:11px;height:11px;
  border:1px solid var(--accent);
  opacity:0;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
  pointer-events:none;
}
.contact-card::before,.stack-group::before,.cred::before{
  top:-1px;left:-1px;border-right:0;border-bottom:0;
}
.contact-card::after,.stack-group::after,.cred::after{
  right:-1px;bottom:-1px;border-left:0;border-top:0;
}
.contact-card:hover::before,.contact-card:hover::after,
.stack-group:hover::before,.stack-group:hover::after,
.cred:hover::before,.cred:hover::after{
  opacity:.9;
  transform:translate(0,0);
}
.contact-card:not(:hover)::before{transform:translate(3px,3px)}
.contact-card:not(:hover)::after{transform:translate(-3px,-3px)}

/* --- Bölüm başlığı: aksan çubuğu + ok --- */
.section-head h2{position:relative;padding-left:0}
.idx{
  position:relative;
  display:inline-block;
}
.idx::before{
  content:"";
  position:absolute;left:-14px;top:calc(.55em + 3px);
  width:7px;height:1px;background:var(--accent-line);
}
.section-head h2::after{
  content:"";
  display:block;
  width:clamp(38px,7vw,74px);
  height:2px;
  margin-top:14px;
  background:linear-gradient(90deg,var(--accent),transparent);
  transform-origin:left;
  transform:scaleX(0);
  transition:transform .8s var(--ease);
}
.section-head.is-visible h2::after{transform:scaleX(1)}

/* --- Etiketler: teknik çip görünümü --- */
.tags li{
  background:
    linear-gradient(var(--surface),var(--surface)) padding-box,
    linear-gradient(180deg,rgba(255,255,255,.06),transparent) border-box;
  position:relative;
}
.tags li::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:3px;height:3px;
  margin-top:-1.5px;
  background:var(--line);
  transition:background-color .2s var(--ease);
}
.tags li{padding-left:11px}
.domain:hover .tags li::before,.project:hover .tags li::before{background:var(--accent)}

/* --- Buton: üzerinden geçen ışık --- */
.btn{position:relative;overflow:hidden}
.btn::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.16) 50%,transparent 70%);
  transform:translateX(-120%);
  transition:transform .55s var(--ease);
  pointer-events:none;
}
.btn:hover::after{transform:translateX(120%)}


/* ============================================================
   MOBİL HİZALAMA — v2
   Amaç: telefonda tek kolon, tutarlı sol kenar, kaymayan ızgara.
   ============================================================ */

/* Çok dar ekranlarda köşe braketleri taşmasın */
@media (max-width:520px){
  .contact-card::before,.contact-card::after{display:none}
}

/* --- ≤820px: başlık iki satıra düşsün, menü kaydırılabilir şerit olsun --- */
@media (max-width:820px){
  html{scroll-padding-top:168px}

  .header-inner{
    flex-wrap:wrap;
    min-height:0;
    padding-block:11px 9px;
    gap:10px 14px;
  }
  .brand{flex:1 1 auto;margin-right:0}

  /* Menü artık gizlenmiyor: 3 kolonlu, tamamı görünen ızgara */
  .site-nav{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    flex:1 0 100%;
    order:3;
    gap:0 12px;
    max-width:none;
    overflow:visible;
    -webkit-mask-image:none;
    mask-image:none;
  }
  .site-nav a{
    padding:7px 0;
    font-size:11px;
    border-bottom:1px solid var(--line-soft);
  }
  .site-nav a:hover,.site-nav a.is-current{border-bottom-color:var(--accent-line)}
  .lang-switch{margin-left:auto}

  /* Tek kolonda dikey ritmi sıkılaştır */
  .hero-grid{padding-bottom:clamp(30px,5vw,46px)}
  .hero-actions{gap:8px}
  .stack{grid-template-columns:1fr;gap:26px}
  .creds{gap:26px}
  .tl-item{gap:8px}
  .tl-date{color:var(--accent-ink);opacity:.85}
}

/* --- ≤640px: bölüm başlıkları tek satırda numara + başlık --- */
@media (max-width:640px){
  :root{--sect-y:52px}

  .section-head{
    grid-template-columns:auto minmax(0,1fr);
    gap:12px;
    align-items:baseline;
    margin-bottom:30px;
  }
  .section-head h2::after{margin-top:11px}
  .section-note{grid-column:1 / -1;margin-top:12px}
  .idx{padding-top:0}
  .idx::before{display:none}

  .domain,.project{padding-block:26px}
  .d-idx,.p-idx{color:var(--accent);opacity:.85}
  .p-top{gap:4px}
  .p-desc{margin-bottom:14px}

  .prose p,.d-body p,.p-desc,.tl-body p:last-child{font-size:15px;line-height:1.68}

  /* Hero künyesi: üç kolonlu düz ızgara */
  .meta-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .meta-strip span{padding:11px 0;border-left:0}
  .meta-strip span + span{padding-left:0;border-left:0}

  .contact-card{padding:18px}

  .footer-inner{flex-direction:column;align-items:flex-start;gap:9px}
  .footer-inner .footer-note{margin-right:0;order:3;max-width:32ch}
}

/* --- ≤520px: künye ve butonlar tam genişlik --- */
@media (max-width:520px){
  .ds-row{grid-template-columns:1fr;gap:2px;padding:12px 0}
  .ds-row dt{padding-top:0}
  .ds-row dd{font-size:14.5px}

  .tl-body{padding-left:18px}
  .tl-body::before{left:-3px}

  .tags{gap:5px}
  .tags li{font-size:10px;padding:3px 7px 3px 10px}
}

@media (max-width:420px){
  .hero-actions{display:grid;grid-template-columns:1fr;gap:8px}
  .hero-actions .btn{justify-content:center;text-align:center}
  h1{font-size:clamp(38px,11.5vw,52px)}
  .section-head{gap:10px}
  .site-nav{gap:16px}
}