/* ═══════════════════════════════════════════════════════════════
   MESH v3 — Tasarım token'ları + ortak bileşenler
   Açık editoryal sistem: krem zemin · safran vurgu · Archivo başlık
   · Fraunces em/wordmark · Geist gövde · Geist Mono spec
   ═══════════════════════════════════════════════════════════════ */
@import url('/assets/fonts/fonts.css'); /* self-hosted: Fraunces, Archivo, Geist, Geist Mono */

:root {
  /* zemin */
  --paper:#FAF6EC; --paper-2:#F1EAD8; --card:#FFFFFF;
  --line:#E4DCC6; --line-2:#CFC5A9;
  /* koyu bant */
  --dark:#101318; --dark-2:#161A21; --dark-line:#262B35;
  /* metin */
  --ink:#181A1F; --body:#4A4E56; --mute:#8D8672;
  --bone:#EDE7D7; --fog:#B7A98F;
  /* vurgu */
  --saffron:#F5B924; --saffron-deep:#A87B0B;
  --signal:#0B9E88;
  --nexus:#E14B3F; /* yalnızca Nexus kartı */
  /* tipografi */
  --f-display:'Fraunces','Times New Roman',serif;
  --f-head:'Archivo',system-ui,sans-serif;
  --f-sans:'Geist',system-ui,sans-serif;
  --f-mono:'Geist Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

* { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body { background:var(--paper); color:var(--body); font-family:var(--f-sans); font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a { color:var(--ink); text-decoration:none; transition:color .2s var(--ease); }
a:hover { color:var(--saffron-deep); }
img { max-width:100%; display:block; }
.wrap { max-width:1240px; margin:0 auto; padding:0 48px; }
section { position:relative; }

/* ── tipografi ── */
h1, h2, h3, h4 { font-family:var(--f-head); color:var(--ink); letter-spacing:-.03em; text-wrap:balance; }
h1 { font-size:clamp(38px,5.6vw,78px); font-weight:700; line-height:1.02; }
h2 { font-size:clamp(29px,3.4vw,48px); font-weight:700; line-height:1.07; }
h3 { font-size:21px; font-weight:600; letter-spacing:-.015em; }
h1 em, h2 em { font-family:var(--f-display); font-weight:400; font-style:italic; color:var(--saffron-deep); letter-spacing:-.02em; font-variation-settings:"SOFT" 40,"WONK" 1; }
.lede { font-size:18px; color:var(--body); max-width:640px; line-height:1.65; text-wrap:pretty; }
.eyebrow { font-family:var(--f-head); font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:.18em; color:var(--saffron-deep); margin-bottom:18px; }
.mono-note { font-family:var(--f-mono); font-size:11.5px; letter-spacing:.04em; color:var(--mute); }

.wordmark { font-family:var(--f-display); font-weight:400; letter-spacing:-.055em; font-variation-settings:"SOFT" 30,"WONK" 1; line-height:.82; color:var(--ink); }
.wordmark::after { content:'.'; color:var(--saffron); }
.wm-light { color:var(--bone); }

/* ── butonlar ── */
.btn { display:inline-flex; align-items:center; gap:9px; font-family:var(--f-head); font-weight:600; font-size:14px; letter-spacing:.01em; padding:15px 26px; border:1px solid transparent; cursor:pointer; transition:all .18s var(--ease); white-space:nowrap; border-radius:2px; }
.btn-primary { background:var(--ink); color:var(--paper); }
.btn-primary:hover { background:var(--saffron); color:var(--ink); }
.btn-saf { background:var(--saffron); color:var(--ink); }
.btn-saf:hover { background:var(--bone); color:var(--ink); }
.btn-ghost { background:transparent; color:var(--ink); border-color:var(--line-2); }
.btn-ghost:hover { border-color:var(--saffron-deep); color:var(--saffron-deep); }
.btn-ghost-dark { background:transparent; color:var(--bone); border-color:rgba(250,246,236,.35); }
.btn-ghost-dark:hover { border-color:var(--saffron); color:var(--saffron); }

.tag { display:inline-flex; align-items:center; gap:9px; font-family:var(--f-head); font-size:12px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--mute); padding:7px 14px; border:1px solid var(--line); border-radius:100px; background:rgba(255,255,255,.5); }
.tag .dot { width:7px; height:7px; border-radius:50%; background:var(--signal); box-shadow:0 0 8px rgba(11,158,136,.5); animation:v3-pulse 1.8s ease-in-out infinite; }
.tag-live { color:var(--signal); border-color:rgba(11,158,136,.3); }

/* ── header ── */
header.site-head { position:sticky; top:0; z-index:40; padding:15px 48px; background:rgba(250,246,236,.84); backdrop-filter:blur(20px) saturate(160%); -webkit-backdrop-filter:blur(20px) saturate(160%); border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; gap:24px; }
header.site-head .wordmark { font-size:31px; }
.main-nav { display:flex; gap:28px; align-items:center; }
.main-nav a { font-family:var(--f-head); font-size:14.5px; font-weight:500; color:var(--body); }
.main-nav a:hover { color:var(--ink); }
.main-nav a.active { color:var(--ink); font-weight:700; box-shadow:0 2px 0 var(--saffron); }
.head-cta { font-size:13px; padding:11px 19px; }
.burger { display:none; background:transparent; border:1px solid var(--line-2); color:var(--ink); font-family:var(--f-head); font-weight:600; font-size:12px; letter-spacing:.1em; text-transform:uppercase; padding:10px 16px; cursor:pointer; border-radius:2px; }
.mnav { display:none; position:fixed; inset:0; z-index:80; background:rgba(250,246,236,.98); backdrop-filter:blur(12px); flex-direction:column; gap:4px; padding:28px; overflow:auto; }
.mnav a { font-family:var(--f-head); font-size:20px; font-weight:600; color:var(--ink); padding:15px 4px; border-bottom:1px solid var(--line); }
.mnav a.sub { font-size:15px; font-weight:500; color:var(--body); padding-left:22px; }
.mnav .close { align-self:flex-end; margin-bottom:18px; }
.mnav .btn { margin-top:22px; justify-content:center; }
body.mnav-open .mnav { display:flex; }
body.mnav-open { overflow:hidden; }

/* ── bölüm kabukları ── */
.sec { padding:104px 0; }
.sec-white { background:var(--card); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.sec-deep { background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.sec-head { margin-bottom:60px; max-width:900px; }
.sec-head .lede { margin-top:18px; }

/* ── hero ── */
.hero { padding:100px 0 92px; overflow:hidden; }
.hero .orb { position:absolute; top:-240px; right:-160px; width:680px; height:680px; background:radial-gradient(circle, rgba(245,185,36,.18), transparent 62%); border-radius:50%; pointer-events:none; }
.hero-cta-row { display:flex; gap:14px; align-items:center; margin-top:40px; flex-wrap:wrap; }
.hero-note { font-size:14px; color:var(--mute); }
.hw { display:inline-block; overflow:hidden; vertical-align:bottom; }
.hw > span { display:inline-block; }
@media (prefers-reduced-motion: no-preference) {
  .hw > span { transform:translateY(110%); opacity:0; }
  body.loaded .hw > span { animation:v3-rise .95s var(--ease) forwards; animation-delay:var(--wd,0s); }
}

/* ── reveal ── */
.rv { opacity:1; transform:none; }
@media (prefers-reduced-motion: no-preference) {
  .rv { opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); transition-delay:calc(var(--d,0)*90ms); }
  .rv.in { opacity:1; transform:none; }
}

/* ── kart ızgaraları ── */
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

.card { background:var(--card); border:1px solid var(--line); border-radius:4px; padding:36px 32px; }
.card-paper { background:var(--paper); }

/* alan kartı (ana sayfa 3 çözüm alanı + çözümler) */
a.area { display:flex; flex-direction:column; background:var(--card); border:1px solid var(--line); border-radius:4px; padding:38px 34px; min-height:300px; position:relative; overflow:hidden; transition:all .3s var(--ease); color:inherit; }
a.area::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--saffron); transform:scaleX(0); transform-origin:left; transition:transform .5s var(--ease); }
a.area:hover { border-color:var(--line-2); box-shadow:0 24px 50px rgba(90,75,30,.12); transform:translateY(-3px); }
a.area:hover::before { transform:scaleX(1); }
.area .num { font-family:var(--f-mono); font-size:11px; font-weight:500; letter-spacing:.18em; color:var(--mute); }
.area h3 { margin-top:34px; }
.area p { font-size:15px; line-height:1.6; margin-top:12px; max-width:440px; }
.area .meta { margin-top:auto; padding-top:18px; border-top:1px solid var(--line); font-size:13.5px; color:var(--mute); display:flex; justify-content:space-between; align-items:center; gap:12px; }
.area .meta .go { color:var(--saffron-deep); font-weight:600; font-family:var(--f-head); font-size:13px; white-space:nowrap; transition:transform .25s var(--ease); }
a.area:hover .meta .go { transform:translateX(5px); }

/* ── spec tablo (1px çizgili) ── */
.spec { border:1px solid var(--line); border-radius:4px; overflow:hidden; background:var(--card); }
.spec-row { display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--line); }
.spec-row:first-child { border-top:none; }
.spec-row.head { background:var(--paper-2); }
.spec-row.head > div { font-family:var(--f-head); font-size:11.5px; font-weight:700; letter-spacing:.15em; text-transform:uppercase; color:var(--mute); padding:14px 26px; }
.spec-row > div { padding:20px 26px; font-size:15px; }
.spec-row > div:first-child { border-right:1px solid var(--line); color:var(--ink); font-weight:500; }

/* ── koyu CTA bandı ── */
.cta-band { background:linear-gradient(140deg,#1B1F27 0%,#12151B 55%,#0B0D11 100%); color:#B9C1CE; border-radius:6px; padding:72px 64px; position:relative; overflow:hidden; box-shadow:0 40px 90px rgba(8,10,14,.4); }
.cta-band h2 { color:#FAF6EC; }
.cta-band h2 em { color:var(--saffron); }
.cta-band .eyebrow { color:var(--saffron); }
.cta-band .orb { position:absolute; top:-200px; right:-140px; width:600px; height:600px; background:radial-gradient(circle, rgba(245,185,36,.22), transparent 60%); border-radius:50%; pointer-events:none; }
.cta-mail { font-family:var(--f-display); font-style:italic; font-weight:400; font-size:clamp(22px,2.6vw,34px); letter-spacing:-.02em; color:#FAF6EC; font-variation-settings:"SOFT" 40,"WONK" 1; }
.cta-mail:hover { color:var(--saffron); }

/* ── model şeridi (Dinle→Göster→Pilot→Ölçekle) ── */
.model { border:1px solid var(--line); border-radius:4px; background:var(--card); overflow:hidden; }
.model-track { display:grid; grid-template-columns:repeat(4,1fr); }
.model-step { padding:36px 30px 40px; border-left:1px solid var(--line); position:relative; transition:background .5s var(--ease); }
.model-step:first-child { border-left:none; }
.model-step .idx { display:flex; align-items:center; gap:10px; font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; color:var(--mute); text-transform:uppercase; }
.model-step .idx .nd { width:9px; height:9px; border-radius:50%; background:var(--line-2); transition:all .5s var(--ease); flex:none; }
.model-step h3 { margin-top:22px; font-size:24px; }
.model-step p { font-size:14.5px; line-height:1.6; margin-top:10px; color:var(--body); }
.model-step .bar { position:absolute; left:0; right:0; top:0; height:3px; background:var(--saffron); transform:scaleX(0); transform-origin:left; transition:transform .9s var(--ease); }
.model-step.on { background:#FFFBEE; }
.model-step.on .idx { color:var(--saffron-deep); }
.model-step.on .idx .nd { background:var(--saffron); box-shadow:0 0 12px rgba(245,185,36,.7); }
.model-step.on .bar { transform:scaleX(1); }
.model-foot { border-top:1px solid var(--line); background:var(--paper); padding:18px 30px; font-size:14.5px; color:var(--mute); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.model-foot em { font-family:var(--f-display); font-style:italic; color:var(--saffron-deep); }

/* ── nexus kartı (ayrı ürün — kırmızı, platformla harmanlanmaz) ── */
.nexus-card { background:#0D0B0A; border:1px solid #2A1714; border-radius:6px; padding:52px 56px; position:relative; overflow:hidden; color:#B8A9A2; }
.nexus-card::before { content:''; position:absolute; inset:0; background:radial-gradient(circle at 85% 0%, rgba(225,75,63,.16), transparent 55%); pointer-events:none; }
.nexus-card .n-eyebrow { font-family:var(--f-mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--nexus); }
.nexus-card h3 { font-family:var(--f-display); font-weight:400; font-size:clamp(30px,3vw,42px); letter-spacing:-.04em; color:#F3EAE2; font-variation-settings:"SOFT" 30,"WONK" 1; margin-top:18px; }
.nexus-card h3::after { content:'.'; color:var(--nexus); }
.nexus-card p { font-size:15.5px; line-height:1.65; max-width:560px; margin-top:14px; }
.nexus-card .n-meta { display:flex; gap:22px; align-items:center; margin-top:30px; flex-wrap:wrap; }
.nexus-card .n-tag { font-family:var(--f-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:#CE8B82; border:1px solid #3A211D; padding:7px 13px; border-radius:100px; }
.nexus-card a.n-link { font-family:var(--f-head); font-weight:600; font-size:14px; color:#F3EAE2; border-bottom:1px solid var(--nexus); padding-bottom:2px; }
.nexus-card a.n-link:hover { color:var(--nexus); }

/* ── footer ── */
footer.site-foot { background:var(--dark); color:var(--fog); margin-top:0; }
footer.site-foot .foot-grid { max-width:1240px; margin:0 auto; padding:72px 48px 56px; display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; }
footer.site-foot .wordmark { font-size:34px; }
footer.site-foot p { font-size:14px; line-height:1.6; margin-top:16px; max-width:280px; color:#98A1B0; }
footer.site-foot h4 { font-family:var(--f-head); font-size:11.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:#77808F; margin-bottom:18px; }
footer.site-foot nav { display:flex; flex-direction:column; gap:10px; }
footer.site-foot nav a, footer.site-foot .cline a { font-size:14.5px; color:var(--bone); }
footer.site-foot nav a:hover, footer.site-foot .cline a:hover { color:var(--saffron); }
footer.site-foot .cline { font-size:14.5px; line-height:2; color:#98A1B0; }
footer.site-foot .foot-dist { max-width:1240px; margin:0 auto; padding:0 48px 26px; font-size:13px; color:#77808F; }
footer.site-foot .foot-dist a { color:#98A1B0; font-size:13px; }
footer.site-foot .foot-dist a:hover { color:var(--saffron); }
footer.site-foot .foot-base { max-width:1240px; margin:0 auto; padding:22px 48px 34px; border-top:1px solid var(--dark-line); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:13px; color:#77808F; }
footer.site-foot .foot-base a { color:#98A1B0; font-size:13px; }
footer.site-foot .foot-base a:hover { color:var(--saffron); }

/* ── dil pill ── */
.lang-pill { display:inline-flex; align-items:center; border:1px solid var(--line-2); border-radius:100px; padding:3px; gap:2px; background:rgba(255,255,255,.5); }
.lang-pill span { font-family:var(--f-head); font-size:11.5px; font-weight:700; letter-spacing:.08em; color:var(--mute); padding:6px 12px; border-radius:100px; }
.lang-pill span.on { background:var(--ink); color:var(--paper); }

/* ── keyframes ── */
@keyframes v3-pulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.45);opacity:.55} }
@keyframes v3-rise { from{transform:translateY(110%);opacity:0} to{transform:translateY(0);opacity:1} }
@keyframes v3-marquee { from{transform:translateX(0)} to{transform:translateX(-33.333%)} }
@keyframes v3-caret { 50%{opacity:0} }

/* ── responsive ── */
@media (max-width:1080px) {
  .wrap { padding:0 32px; }
  header.site-head { padding:14px 32px; }
  .main-nav, .head-cta, header.site-head .lang-pill { display:none; }
  .burger { display:inline-flex; }
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .model-track { grid-template-columns:repeat(2,1fr); }
  .model-step { border-top:1px solid var(--line); }
  .model-step:nth-child(-n+2) { border-top:none; }
  .model-step:nth-child(odd) { border-left:none; }
  footer.site-foot .foot-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:760px) {
  .wrap { padding:0 22px; }
  header.site-head { padding:12px 22px; }
  .sec { padding:72px 0; }
  .hero { padding:64px 0 60px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
  .model-track { grid-template-columns:1fr; }
  .model-step { border-left:none; border-top:1px solid var(--line); }
  .model-step:first-child { border-top:none; }
  .cta-band { padding:48px 26px; border-radius:4px; }
  .nexus-card { padding:40px 26px; }
  .spec-row { grid-template-columns:1fr; }
  .spec-row > div:first-child { border-right:none; border-bottom:1px dashed var(--line); padding-bottom:12px; }
  .spec-row > div:last-child { padding-top:12px; }
  .spec-row.head > div:last-child { display:none; }
  footer.site-foot .foot-grid { grid-template-columns:1fr; padding:56px 22px 40px; gap:32px; }
  footer.site-foot .foot-dist, footer.site-foot .foot-base { padding-left:22px; padding-right:22px; }
  a.area { min-height:0; }
}

/* ── tema geçiş düğmesi ── */
.theme-toggle { background:transparent; border:1px solid var(--line-2); color:var(--ink); width:38px; height:38px; flex:none; border-radius:100px; cursor:pointer; font-size:15px; line-height:1; display:inline-flex; align-items:center; justify-content:center; transition:all .18s var(--ease); }
.theme-toggle:hover { border-color:var(--saffron-deep); color:var(--saffron-deep); }

/* ── koyu tema ──
   Aynı token seti yeniden eşlenir; koyu bantlar (cta-band, nexus, footer)
   iki temada da koyu kalır. */
[data-theme="dark"] {
  color-scheme:dark;
  --paper:#0B0D11; --paper-2:#06070A; --card:#12151B;
  --line:#232833; --line-2:#3A4150;
  --ink:#EDE7D7; --body:#9AA3B2; --mute:#6B7280;
  --saffron-deep:#E9B435; --signal:#17C9AE;
}
[data-theme="dark"] header.site-head { background:rgba(11,13,17,.84); }
[data-theme="dark"] .mnav { background:rgba(6,7,10,.98); }
[data-theme="dark"] .tag { background:rgba(255,255,255,.04); }
[data-theme="dark"] .lang-pill { background:rgba(255,255,255,.05); }
[data-theme="dark"] .lang-pill span.on { background:var(--bone); color:#0B0D11; }
[data-theme="dark"] .btn-primary:hover { color:#0B0D11; }
[data-theme="dark"] .btn-saf { color:#0B0D11; }
[data-theme="dark"] .btn-saf:hover { color:#0B0D11; }
[data-theme="dark"] .grid-bg { background-image:linear-gradient(to right, rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px); }
[data-theme="dark"] .hero .orb { background:radial-gradient(circle, rgba(245,185,36,.12), transparent 62%); }
[data-theme="dark"] .model-step.on,
[data-theme="dark"] .mod.on,
[data-theme="dark"] .match-row.on,
[data-theme="dark"] .cap:hover { background:#171204; }
[data-theme="dark"] .vs-row > div.saas { background:#151105; }
[data-theme="dark"] .step.on { background:linear-gradient(90deg, rgba(245,185,36,.07), transparent 70%); }
[data-theme="dark"] a.area:hover,
[data-theme="dark"] a.sector:hover { box-shadow:0 24px 60px rgba(0,0,0,.5); }
[data-theme="dark"] .layer { background:rgba(18,21,27,.78); }
[data-theme="dark"] .layer::before { background-image:linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px); }
[data-theme="dark"] .hero-veil { background:radial-gradient(ellipse 70% 60% at 30% 40%, transparent 20%, var(--paper) 90%); }

/* koyu temada bant ayrımı — bantlar zeminle aynı aileden, çizgiyle ayrılır */
[data-theme="dark"] .cta-band { border:1px solid var(--line); box-shadow:none; }
[data-theme="dark"] footer.site-foot { border-top:1px solid var(--line); }