/* ==========================================================================
   usulesas — kurumsal ön yüz (marketing). Lacivert ağırlıklı, kurumsal.
   Uygulama arayüzünden (app.css) bağımsız, kendi içinde bütün.
   ========================================================================== */
:root {
  --navy-900: #101c30;
  --navy-800: #16233a;
  --navy-700: #1e3a5f;
  --navy-600: #274b78;
  --navy-050: #eef2f8;
  --ink:      #1a1d23;
  --ink-2:    #45505f;
  --ink-3:    #6b7686;
  --line:     #e4e8ee;
  --surface:  #ffffff;
  --bg:       #f6f8fb;
  --gold:     #b8863b;
  --gold-600: #a3762f;
  --gold-soft:#f7efe0;
  --ok:       #1f7a4d;
  --radius:   14px;
  --radius-sm:10px;
  --maxw:     1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--surface);
  line-height: 1.6; -webkit-font-smoothing: antialiased; font-size: 16px;
}
a { color: var(--navy-700); text-decoration: none; }
img { max-width: 100%; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
h1,h2,h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }

/* --- Header ------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; color: var(--navy-800); font-size: 18px; }
.brand__logo {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--navy-700), var(--navy-900)); color: #fff; font-weight: 800;
}
.site-nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.site-nav a { color: var(--ink-2); padding: 8px 12px; border-radius: 8px; font-size: 14.5px; font-weight: 550; }
.site-nav a:hover { color: var(--navy-800); background: var(--navy-050); }
.site-nav a.active { color: var(--navy-800); }
.nav-cta { display: flex; gap: 8px; align-items: center; margin-left: 8px; }
.nav-toggle { display: none; }

/* --- Buttons ----------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px; font-weight: 650; font-size: 15px; cursor: pointer;
  border: 1px solid transparent; transition: transform .04s, background .15s; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--gold); color: #24170a; }
.btn--primary:hover { background: var(--gold-600); }
.btn--navy { background: var(--navy-700); color: #fff; }
.btn--navy:hover { background: var(--navy-800); }
.btn--ghost { background: transparent; color: var(--navy-800); border-color: var(--line); }
.btn--ghost:hover { background: var(--navy-050); }
.btn--lg { padding: 14px 26px; font-size: 16px; }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn--ghost-light:hover { background: rgba(255,255,255,.1); }

/* --- Hero -------------------------------------------------------------- */
.hero { background:
    radial-gradient(1200px 500px at 80% -10%, rgba(184,134,59,.18), transparent 60%),
    linear-gradient(160deg, var(--navy-800), var(--navy-900));
  color: #fff; padding: 84px 0 96px; position: relative; overflow: hidden; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  color: #d7e0ee; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: clamp(30px, 4.6vw, 52px); color: #fff; max-width: 15ch; }
.hero__lead { font-size: clamp(16px, 2vw, 20px); color: #c8d3e2; max-width: 60ch; margin: 18px 0 30px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__note { margin-top: 22px; font-size: 13.5px; color: #9fb0c6; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 900px){ .hero__grid { grid-template-columns: 1fr; gap: 32px; } }

/* Örnek çıktı kartı */
.sample {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius); padding: 20px; color: #e7edf5; box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.sample__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sample__title { font-weight: 650; font-size: 14px; color: #fff; }
.sample__badge { font-size: 11.5px; background: rgba(184,134,59,.22); color: #f0d9ac; padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(184,134,59,.35); }
.sample__row { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: 14px; }
.sample__row span:first-child { color: #a9b8cc; }
.sample__row .mono { font-family: "Cascadia Mono", Consolas, monospace; }
.sample__foot { margin-top: 12px; font-size: 12px; color: #9fb0c6; }

/* --- Genel bölüm ------------------------------------------------------- */
.section { padding: 76px 0; }
.section--tint { background: var(--bg); }
.section--navy { background: linear-gradient(160deg, var(--navy-800), var(--navy-900)); color: #fff; }
.section__eyebrow { color: var(--gold-600); font-weight: 700; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.section--navy .section__eyebrow { color: #e6c98d; }
.section__title { font-size: clamp(24px, 3vw, 34px); margin: 8px 0 14px; color: var(--navy-900); max-width: 22ch; }
.section--navy .section__title { color: #fff; }
.section__lead { color: var(--ink-2); font-size: 17px; max-width: 62ch; margin: 0 0 40px; }
.section--navy .section__lead { color: #c8d3e2; }

/* İlke — iki katman */
.principle { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px){ .principle { grid-template-columns: 1fr; } }
.principle__card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius); padding: 26px; }
.principle__k { font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: #e6c98d; margin-bottom: 10px; }
.principle__card p { color: #c8d3e2; margin: 0; }

/* Özellik ızgarası */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px){ .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .features { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: box-shadow .15s, transform .1s; }
.feature:hover { box-shadow: 0 16px 40px rgba(16,28,48,.08); transform: translateY(-2px); }
.feature__ic { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--navy-050); color: var(--navy-700); margin-bottom: 14px; }
.feature__ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { font-size: 17px; color: var(--navy-900); margin-bottom: 6px; }
.feature p { color: var(--ink-2); font-size: 14.5px; margin: 0; }

/* Adımlar */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
@media (max-width: 820px){ .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px){ .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.step__n { width: 30px; height: 30px; border-radius: 8px; background: var(--navy-700); color: #fff; font-weight: 700; display: grid; place-items: center; margin-bottom: 12px; font-size: 14px; }
.step h3 { font-size: 15.5px; color: var(--navy-900); margin-bottom: 4px; }
.step p { font-size: 13.5px; color: var(--ink-2); margin: 0; }

/* İki sütun: yapar / yapmaz */
.bounds { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px){ .bounds { grid-template-columns: 1fr; } }
.bounds__col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.bounds__col h3 { font-size: 17px; color: var(--navy-900); display: flex; align-items: center; gap: 8px; }
.bounds__list { list-style: none; padding: 0; margin: 14px 0 0; }
.bounds__list li { padding: 8px 0 8px 28px; position: relative; color: var(--ink-2); font-size: 14.5px; border-top: 1px solid var(--line); }
.bounds__list li::before { position: absolute; left: 0; top: 8px; font-weight: 700; }
.bounds__col--do li::before { content: "✓"; color: var(--ok); }
.bounds__col--dont li::before { content: "✕"; color: #b23b3b; }

/* İçerik sayfası (kurumsal, gizlilik) */
.page-hero { background: linear-gradient(160deg, var(--navy-800), var(--navy-900)); color: #fff; padding: 60px 0; }
.page-hero h1 { color: #fff; font-size: clamp(26px, 3.4vw, 38px); }
.page-hero p { color: #c8d3e2; max-width: 60ch; margin: 6px 0 0; }
.prose { max-width: 780px; }
.prose h2 { font-size: 22px; color: var(--navy-900); margin-top: 36px; }
.prose h3 { font-size: 17px; color: var(--navy-800); margin-top: 24px; }
.prose p, .prose li { color: var(--ink-2); }
.kunye { display: grid; grid-template-columns: 200px 1fr; gap: 2px 20px; margin-top: 8px; }
.kunye dt { color: var(--ink-3); font-size: 14px; padding: 8px 0; border-top: 1px solid var(--line); }
.kunye dd { margin: 0; padding: 8px 0; border-top: 1px solid var(--line); color: var(--ink); font-weight: 550; }
@media (max-width: 560px){ .kunye { grid-template-columns: 1fr; } .kunye dd { padding-top: 0; border-top: 0; } }

/* Kart (iletişim, fiyat) */
.card-plain { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 680px){ .grid-2 { grid-template-columns: 1fr; } }

/* CTA şeridi */
.cta-band { text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); }
.cta-band p { color: #c8d3e2; max-width: 54ch; margin: 8px auto 26px; }

/* --- Footer ------------------------------------------------------------ */
.site-footer { background: var(--navy-900); color: #aebdd0; padding: 56px 0 28px; font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px){ .footer__grid { grid-template-columns: 1fr 1fr; gap: 26px; } }
.footer__brand { color: #fff; font-weight: 750; font-size: 18px; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer__desc { color: #8ea0b8; max-width: 34ch; }
.footer__col h4 { color: #fff; font-size: 13px; letter-spacing: .05em; text-transform: uppercase; margin: 0 0 12px; }
.footer__col a { display: block; color: #aebdd0; padding: 5px 0; }
.footer__col a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: #7e90a8; font-size: 13px; }

/* Mobil menü */
@media (max-width: 820px){
  .site-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); flex-direction: column; padding: 12px 24px 18px; gap: 2px; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 8px; }
  .nav-cta { margin-left: auto; }
  .nav-toggle { display: inline-flex; margin-left: auto; background: transparent; border: 1px solid var(--line);
    border-radius: 8px; padding: 8px 10px; cursor: pointer; }
}