/* ============ sefik.dev — terminal teması ============ */
:root{
  --c:#39ff88;
  --bg:#07090a; --bg2:#0b0e10; --panel:#0d1114; --panel2:#11161a;
  --fg:#e7eef0; --muted:#93a1a8; --dim:#5d6a71;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.15);
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --body:'Inter',system-ui,sans-serif;
  --pad:clamp(16px,4vw,48px);
  --r:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:radial-gradient(ellipse 80% 50% at 50% -10%,color-mix(in srgb,var(--c) 10%,transparent),transparent 70%);background-attachment:fixed}
/* tarama çizgileri */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.35;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--c);color:#000}
.wrap{max-width:1180px;margin:0 auto;padding:0 var(--pad)}

/* ---------- ortak terminal parçaları ---------- */
.term{background:var(--panel);border:1px solid var(--line2);border-radius:var(--r);overflow:hidden;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(0,0,0,.4),0 0 60px -20px color-mix(in srgb,var(--c) 25%,transparent)}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--panel2);border-bottom:1px solid var(--line)}
.term-bar i{width:12px;height:12px;border-radius:50%;background:#ff5f57}
.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
.term-bar span{flex:1;text-align:center;font-family:var(--mono);font-size:12px;color:var(--dim);margin-right:44px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.term-body{padding:clamp(20px,4vw,40px)}
.cmdline{font-family:var(--mono);font-size:14px;color:var(--muted)}
.ps{color:var(--c);font-weight:500}
.cursor{display:inline-block;width:.6em;height:1.15em;background:var(--c);vertical-align:-.2em;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- header ---------- */
.top{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px var(--pad);transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.top.scrolled{background:rgba(7,9,10,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--line)}
.brand{font-family:var(--mono);font-weight:700;font-size:16px;white-space:nowrap}
.brand .gt{color:var(--c)}
.brand .cursor{height:1em;width:.5em}
.nav{display:flex;gap:6px}
.nav a{font-family:var(--mono);font-size:13.5px;color:var(--muted);padding:8px 12px;border-radius:8px;transition:color .2s,background .2s}
.nav a:hover{color:var(--c);background:color-mix(in srgb,var(--c) 8%,transparent)}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line2);border-radius:10px;background:var(--panel);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-btn span{display:block;width:18px;height:2px;background:var(--fg);transition:transform .3s}
.menu-btn[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-btn[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- butonlar ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:10px;border:1px solid var(--line2);background:transparent;color:var(--fg);font-family:var(--mono);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s,border-color .2s,color .2s,box-shadow .2s}
.btn span{transition:transform .2s}
.btn:hover{border-color:var(--c);color:var(--c)}
.btn:hover span{transform:translateX(4px)}
.btn.primary{background:var(--c);border-color:var(--c);color:#04110a;font-weight:700}
.btn.primary:hover{color:#04110a;box-shadow:0 0 30px -4px var(--c)}
.btn:disabled{opacity:.5;pointer-events:none}

/* ---------- giriş ---------- */
.hero{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:110px var(--pad) 60px;position:relative}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at center,#000 10%,transparent 70%);opacity:.6}
.hero-term{width:100%;max-width:880px}
.hero-term .term-body{display:flex;flex-direction:column;gap:6px}
.hero-name{font-family:var(--mono);font-weight:800;font-size:clamp(34px,7vw,76px);line-height:1.05;letter-spacing:-.03em;margin:4px 0 22px}
.hero-role{font-family:var(--mono);font-size:clamp(17px,2.4vw,24px);font-weight:500;color:var(--c);margin:4px 0 12px}
.hero-intro{font-size:clamp(16px,1.8vw,18px);color:var(--muted);max-width:620px;margin-bottom:26px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.scroll-hint{margin-top:34px;width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line2);border-radius:50%;color:var(--muted);font-family:var(--mono);animation:bob 2.4s ease-in-out infinite}
.scroll-hint:hover{color:var(--c);border-color:var(--c)}
@keyframes bob{50%{transform:translateY(6px)}}
/* yazma animasyonu: JS çalışınca satırlar sırayla görünür */
.js .hero-term .t{visibility:hidden}
.js .hero-term .t.on{visibility:visible;animation:fadein .35s ease}
@keyframes fadein{from{opacity:0;transform:translateY(4px)}}

/* ---------- bölümler ---------- */
.section{padding:clamp(70px,11vw,130px) 0;border-top:1px solid var(--line)}
.sec-head{margin-bottom:clamp(32px,5vw,56px)}
.sec-head h2{font-family:var(--mono);font-weight:800;font-size:clamp(28px,4.4vw,48px);line-height:1.1;letter-spacing:-.02em;margin-top:10px}
.sec-desc{margin-top:12px;color:var(--muted);font-size:17px;max-width:620px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* hakkımda */
.about-grid{display:grid;grid-template-columns:320px 1fr;gap:clamp(32px,6vw,72px);align-items:start}
.about-photo{aspect-ratio:1;border-radius:var(--r);overflow:hidden;border:1px solid var(--line2);background:var(--panel);position:relative}
.about-photo::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c) 30%,transparent);border-radius:inherit;pointer-events:none}
.about-photo img{width:100%;height:100%;object-fit:cover}
.photo-ph{width:100%;height:100%;display:grid;place-items:center;font-family:var(--mono);font-weight:800;font-size:120px;color:var(--c);opacity:.7;
  background:radial-gradient(circle at 50% 40%,color-mix(in srgb,var(--c) 15%,transparent),transparent 65%)}
.prose{font-size:17px;color:#c9d3d7}
.prose p+p{margin-top:16px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-top:36px}
.stat{padding:18px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.stat strong{display:block;font-family:var(--mono);font-size:30px;font-weight:800;color:var(--c);line-height:1.1}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* hizmetler */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:18px}
.svc{padding:28px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);transition:border-color .25s,transform .25s}
.svc:hover{border-color:color-mix(in srgb,var(--c) 50%,transparent);transform:translateY(-3px)}
.svc-ico{display:inline-grid;place-items:center;min-width:56px;height:56px;padding:0 12px;border-radius:12px;font-family:var(--mono);font-weight:700;font-size:20px;color:var(--c);
  background:color-mix(in srgb,var(--c) 10%,transparent);border:1px solid color-mix(in srgb,var(--c) 25%,transparent);margin-bottom:20px}
.svc h3{font-size:20px;font-weight:600;margin-bottom:8px}
.svc p{color:var(--muted);font-size:15.5px}

/* projeler */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:20px}
.proj{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);transition:border-color .25s,transform .25s}
.proj:hover{border-color:color-mix(in srgb,var(--c) 45%,transparent);transform:translateY(-3px)}
.proj-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg2);border-bottom:1px solid var(--line)}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.proj:hover .proj-img img{transform:scale(1.04)}
.proj-ph{width:100%;height:100%;display:grid;place-items:center;padding:20px;
  background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--c) 10%,transparent),transparent 70%),
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/28px 28px,linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/28px 28px}
.proj-ph span{font-family:var(--mono);font-size:15px;color:var(--c);background:var(--bg);padding:8px 12px;border-radius:8px;border:1px solid var(--line2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.proj-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.proj-meta{display:flex;justify-content:space-between;align-items:center;gap:10px}
.status{font-family:var(--mono);font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--line2);color:#f5c451}
.status::before{content:"● ";}
.status.live{color:var(--c);border-color:color-mix(in srgb,var(--c) 35%,transparent)}
.year{font-family:var(--mono);font-size:12.5px;color:var(--dim);margin-left:auto}
.proj h3{font-size:20px;font-weight:600}
.proj p{color:var(--muted);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.tags span{font-family:var(--mono);font-size:12px;color:var(--dim)}
.proj-link{margin-top:auto;padding-top:10px;font-family:var(--mono);font-size:14px;font-weight:500;color:var(--c);align-self:flex-start}
.proj-link span{display:inline-block;transition:transform .2s}
.proj-link:hover span{transform:translateX(4px)}

/* iletişim */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.contact-grid.single{grid-template-columns:1fr;max-width:640px}
.links{list-style:none;display:flex;flex-direction:column;gap:10px}
.links a{display:grid;grid-template-columns:100px 1fr auto;gap:14px;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);transition:border-color .2s,transform .2s}
.links a:hover{border-color:var(--c);transform:translateX(4px)}
.links .l{font-family:var(--mono);font-size:13px;color:var(--c)}
.links .v{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.links .a{color:var(--dim);font-family:var(--mono)}
.cform .term-body{display:flex;flex-direction:column;gap:16px}
.cform label{display:flex;flex-direction:column;gap:8px}
.cform label span{font-family:var(--mono);font-size:13px;color:var(--muted)}
.cform label span::before{content:"> ";color:var(--c)}
.cform input,.cform textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 14px;color:var(--fg);font:inherit;font-size:15.5px;resize:vertical;transition:border-color .2s,box-shadow .2s}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--c);box-shadow:0 0 0 3px color-mix(in srgb,var(--c) 15%,transparent)}
.cform .btn{align-self:flex-start}
.hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}
.cform-msg{font-family:var(--mono);font-size:13.5px;min-height:1em}
.cform-msg.ok{color:var(--c)}.cform-msg.err{color:#ff6b6b}

/* footer */
.foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:26px var(--pad);border-top:1px solid var(--line);font-family:var(--mono);font-size:13px;color:var(--dim)}
.totop:hover{color:var(--c)}

.admin-chip{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:60;padding:10px 18px;border-radius:999px;background:var(--c);color:#04110a;font-family:var(--mono);font-size:12px;font-weight:700;box-shadow:0 10px 30px rgba(0,0,0,.5);white-space:nowrap}

/* bakım sayfası */
body.maint{min-height:100vh;display:grid;place-items:center;padding:20px}
.maint-term{width:100%;max-width:620px}
.maint-term .term-body{display:flex;flex-direction:column;gap:12px}
.maint-term h1{font-family:var(--mono);font-size:clamp(22px,4vw,30px);line-height:1.2}
.maint-term .out{color:var(--muted)}

/* ---------- mobil ---------- */
@media (max-width:860px){
  .menu-btn{display:flex}
  .nav{position:fixed;inset:0;z-index:-1;background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:8px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
  .nav.open{opacity:1;visibility:visible}
  .nav a{font-size:20px;padding:12px 20px;color:var(--fg)}
  body.menu-open{overflow:hidden}
  body.menu-open .top{backdrop-filter:none;-webkit-backdrop-filter:none;background:none;border-color:transparent}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .about-photo{max-width:260px}
}
@media (max-width:520px){
  .hero{padding-top:90px}
  .term-bar span{margin-right:0}
  .hero-btns{flex-direction:column}
  .hero-btns .btn{justify-content:center;white-space:nowrap}
  .links a{grid-template-columns:80px 1fr auto;padding:14px}
  .foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .js .hero-term .t{visibility:visible}
}