/* Set Track — tanıtım & yasal sayfalar ortak tasarım sistemi */
:root {
  --bg: #f4f8fc; --bg2: #eaf1f8;
  --panel: #ffffff; --panel2: #f0f5fa;
  --text: #0f2233; --muted: #5c7085;
  --border: rgba(15,23,42,.10);
  --accent: #2185c5; --accent2: #14507e; --accent3: #7cc4ee;
  --grad: linear-gradient(135deg, #2185c5 0%, #14507e 100%);
  --grad-hero: linear-gradient(150deg, #0e3455 0%, #14507e 44%, #2185c5 100%);
  --shadow: 0 18px 50px rgba(15,23,42,.10);
  --shadow-lg: 0 30px 70px rgba(15,23,42,.16);
}
:root[data-theme="dark"] {
  --bg: #07121e; --bg2: #0b1a29;
  --panel: #102233; --panel2: #13283c;
  --text: #e6eef7; --muted: #93a7bd;
  --border: rgba(148,179,209,.16);
  --accent: #38a0dc; --accent2: #5cb6ea; --accent3: #7cc4ee;
  --grad: linear-gradient(135deg, #2f9ad6 0%, #1a6fa8 100%);
  --grad-hero: linear-gradient(150deg, #071a2c 0%, #0f3c60 48%, #1e73aa 100%);
  --shadow: 0 18px 50px rgba(0,0,0,.4);
  --shadow-lg: 0 30px 70px rgba(0,0,0,.55);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 22px; }
/* İçerik genişliği hero başlıkla aynı (tam genişlik); metin okunur ölçüde */
.doc-wrap { max-width: 1160px; }
.doc p, .doc li, .doc .updated { max-width: 960px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px; padding: 12px 22px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; transition: transform .12s, box-shadow .2s, filter .2s, background .2s; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px rgba(33,133,197,.36); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); box-shadow: 0 16px 34px rgba(33,133,197,.46); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--panel2); border-color: var(--accent); }
.btn-light { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.28); backdrop-filter: blur(6px); }
.btn-light:hover { background: rgba(255,255,255,.24); transform: translateY(-2px); }

/* NAV */
header.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; font-size: 20px; letter-spacing: -.5px; white-space: nowrap; }
.brand .dot { width: 30px; height: 30px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; box-shadow: 0 6px 14px rgba(33,133,197,.4); flex: 0 0 auto; }
.brand .dot svg { width: 18px; height: 18px; }
.brand .wm { color: var(--text); }
.brand .wm b { color: var(--accent); font-weight: 900; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a.link { color: var(--muted); font-weight: 600; font-size: 14.5px; transition: color .15s; }
.nav-links a.link:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.theme-btn { width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--border); background: var(--panel); display: grid; place-items: center; cursor: pointer; color: var(--muted); transition: color .15s, border-color .15s; }
.theme-btn:hover { color: var(--accent); border-color: var(--accent); }
.theme-btn svg { width: 19px; height: 19px; }
.theme-btn .moon { display: none; } :root[data-theme="dark"] .theme-btn .moon { display: block; } :root[data-theme="dark"] .theme-btn .sun { display: none; }

/* SAYFA BAŞLIĞI (küçük hero) */
.page-top { position: relative; overflow: hidden; color: #fff; background: var(--grad-hero); padding: 62px 0 56px; }
.page-top::before { content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%; filter: blur(90px); background: rgba(93,182,234,.35); top: -180px; right: -80px; pointer-events: none; }
.page-top .crumb { position: relative; font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 10px; }
.page-top .crumb a:hover { color: #fff; }
.page-top h1 { position: relative; font-size: clamp(28px, 4vw, 42px); font-weight: 900; letter-spacing: -1px; margin: 0; }
.page-top p { position: relative; color: rgba(255,255,255,.82); font-size: 15.5px; margin: 12px 0 0; max-width: 640px; }

/* İÇERİK / YASAL DOKÜMAN */
.doc { padding: 54px 0 30px; }
.doc .updated { color: var(--muted); font-size: 13px; margin: 0 0 26px; }
.doc h2 { font-size: 21px; font-weight: 800; letter-spacing: -.3px; margin: 34px 0 12px; }
.doc h3 { font-size: 16.5px; font-weight: 700; margin: 22px 0 8px; }
.doc p, .doc li { color: var(--text); font-size: 15px; }
.doc p { margin: 0 0 14px; }
.doc ul { margin: 0 0 16px; padding-left: 20px; } .doc li { margin: 6px 0; }
.doc a { color: var(--accent); font-weight: 600; }
.doc a.btn { color: #fff; font-weight: 700; }
.doc a.btn.btn-ghost { color: var(--text); }
.doc .note { background: var(--panel2); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 12px; padding: 14px 16px; color: var(--muted); font-size: 14px; margin: 18px 0; }

/* İLETİŞİM / HAKKIMIZDA KARTLARI */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 8px 0 20px; }
.info-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 24px 22px; box-shadow: var(--shadow); }
.info-card .ic { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, rgba(33,133,197,.16), rgba(20,80,126,.08)); display: grid; place-items: center; color: var(--accent); margin-bottom: 14px; }
.info-card .ic svg { width: 23px; height: 23px; }
.info-card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 800; }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; }
.info-card a { color: var(--accent); font-weight: 600; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 26px 0; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 22px; text-align: center; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 30px; font-weight: 900; letter-spacing: -1px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: 13.5px; }

/* ÜRÜNLER */
.prods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 8px 0 10px; }
.prod { display: flex; gap: 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 22px; box-shadow: var(--shadow); transition: transform .16s, box-shadow .2s, border-color .16s; }
.prod:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.prod .pic { width: 50px; height: 50px; border-radius: 14px; flex: 0 0 50px; display: grid; place-items: center; background: var(--grad); color: #fff; font-weight: 900; font-size: 15px; box-shadow: 0 8px 18px rgba(33,133,197,.35); }
.prod h3 { margin: 0 0 5px; font-size: 17px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.prod h3 .badge { font-size: 10px; font-weight: 800; padding: 3px 8px; border-radius: 999px; background: rgba(22,163,74,.15); color: #16a34a; letter-spacing: .03em; }
.prod p { margin: 0; color: var(--muted); font-size: 14px; }
.prod .go { color: var(--accent); font-weight: 700; font-size: 13px; margin-top: 8px; display: inline-block; }

/* İLETİŞİM — form + bilgi yan yana */
.contact-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; margin-top: 6px; }
.contact-2col .cform { max-width: none; }
.contact-2col .c-left > h2, .contact-2col .c-right > h2 { margin-top: 0; margin-bottom: 14px; }
@media (max-width: 860px) { .contact-2col { grid-template-columns: 1fr; gap: 26px; } }

/* Sağ bilgi kartı */
.info-panel { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 24px 26px; box-shadow: var(--shadow); }
.info-panel h3 { margin: 22px 0 8px; font-size: 15.5px; font-weight: 800; }
.info-panel h3:first-child { margin-top: 0; }
.info-panel p { margin: 0; color: var(--muted); font-size: 14.5px; }
.info-panel ul { margin: 6px 0 0; padding: 0; list-style: none; }
.info-panel li { position: relative; padding: 10px 0 10px 24px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); max-width: none; }
.info-panel li:first-child { border-top: none; }
.info-panel li::before { content: ""; position: absolute; left: 2px; top: 16px; width: 8px; height: 8px; border-radius: 3px; background: var(--grad); }
.info-panel li strong { color: var(--text); }

/* İLETİŞİM FORMU */
.cform { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); max-width: 760px; }
.cform .frow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cform .field { margin-bottom: 16px; }
.cform label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 0 0 6px; }
.cform input, .cform textarea, .cform select { width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 11px 13px; font-size: 14px; font-family: inherit; outline: none; transition: border-color .15s, box-shadow .15s; }
.cform input:focus, .cform textarea:focus, .cform select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(33,133,197,.18); }
.cform textarea { resize: vertical; min-height: 120px; }
.cform select { -webkit-appearance: none; -moz-appearance: none; appearance: none; cursor: pointer; padding-right: 38px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c7085' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }
.cform .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.cform-foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.cform-msg { font-size: 14px; font-weight: 600; }
.cform-msg.ok { color: #16a34a; } .cform-msg.err { color: #ef4444; }
@media (max-width: 640px) { .cform .frow { grid-template-columns: 1fr; } }

/* SCROLL REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; } }

/* FOOTER */
footer { border-top: 1px solid var(--border); background: var(--panel); padding: 54px 0 30px; margin-top: 70px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 28px; }
.foot-col h4 { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 14px; }
.foot-col a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; transition: color .15s; }
.foot-col a:hover { color: var(--accent); }
.foot-col a.brand { display: inline-flex; color: var(--text); padding: 0; }
.foot-about p { color: var(--muted); font-size: 14px; margin: 12px 0 0; max-width: 300px; }
.foot-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .prods { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

/* Alt sayfa dil değiştirici (ana sayfa ile aynı stil) */
.lang-group { display: inline-flex; background: var(--panel); border: 1px solid var(--border); border-radius: 11px; padding: 3px; }
.lang-group button { border: none; background: transparent; color: var(--muted); font-weight: 700; font-size: 12.5px; padding: 6px 9px; border-radius: 8px; cursor: pointer; transition: background .15s, color .15s; }
.lang-group button.active { background: var(--grad); color: #fff; }