/* Yerleşim: bir ihracat yazışması gibi okunur. Sol: tez; sağ: gerçek bir ilk temas maili.
   Altında beş halkalı akış bir ışık izi boyunca, sonra korumalar, sonra pilot. */
/* Bilinçli olarak tek tema: beyaz, Apple ürün sayfaları gibi sade. Bölümler beyaz/açık gri sırayla. */
:root {
  --bg: #ffffff;
  --band: #f5f5f7;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #e3e3e8;
  --accent: #0071e3;
  --accent-ink: #ffffff;
  --photon: #ffbf2e;
  --photon-soft: #fff1c7;
  --no: #c0392b;
  --ok: #178a48;
  --font-display: "Archivo", -apple-system, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  --font-ar: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --max: 1120px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: var(--max); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; margin: 0; line-height: 1.05; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.eyebrow {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
}

/* Üst bant */
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--bg);
}
header.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 9;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 14px; }
.mark { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.mark b { font-family: var(--font-display); font-stretch: 125%; font-weight: 800; font-size: 22px; letter-spacing: -.01em; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--photon); box-shadow: 0 0 0 4px var(--photon-soft), 0 0 18px var(--photon); }
nav.links { display: flex; gap: 26px; align-items: center; font-size: 15px; }
nav.links a:not(.btn) { text-decoration: none; color: var(--muted); }
nav.links a:not(.btn):hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 16px;
  padding: 13px 20px; border-radius: 999px; border: 0; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.btn.small { padding: 9px 16px; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
@media (max-width: 760px) { nav.links a:not(.btn) { display: none; } }

/* Kahraman */
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 56px; align-items: start; padding-block: 72px 56px; }
.hero h1 { font-size: clamp(40px, 6.2vw, 76px); font-stretch: 108%; font-weight: 800; letter-spacing: -.03em; }
.hero h1 em { font-style: normal; position: relative; white-space: nowrap; }
.hero h1 em::after {
  content: ""; position: absolute; left: -2px; right: -2px; bottom: .08em; height: .32em; z-index: -1;
  background: var(--photon); opacity: .55; border-radius: 3px;
}
.hero .lede { font-size: 20px; color: var(--muted); max-width: 34em; margin-top: 26px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero .proof { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 34px; font-size: 14px; color: var(--muted); }
.hero .proof span::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 8px; }
/* Izgara çocukları daralabilsin: sekme satırı gibi geniş içerik sütunu 390px
   ekranın ötesine itiyordu (105px yatay taşma); taşan parça kendi içinde kayar. */
.hero .wrap > div, .sec-head > *, .guards > *, .calc > *, .thesis .wrap > * { min-width: 0; }
@media (max-width: 920px) { .hero .wrap { grid-template-columns: 1fr; gap: 40px; padding-block: 48px 40px; } }

/* Mail örneği */
.letter {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .04), 0 24px 60px -24px rgba(0, 0, 0, .18);
  overflow: hidden; min-width: 0;
}
.tabs { display: flex; gap: 2px; padding: 8px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tabs button {
  font-family: var(--font-mono); font-size: 13px; background: transparent; color: var(--muted);
  border: 0; border-radius: 8px; padding: 8px 12px; cursor: pointer; white-space: nowrap;
}
.tabs button[aria-selected="true"] { background: var(--bg); color: var(--ink); font-weight: 500; }
.headers { font-family: var(--font-mono); font-size: 13px; padding: 14px 20px; border-bottom: 1px dashed var(--line); display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 14px; }
.headers dt { color: var(--muted); }
.headers dd { margin: 0; overflow-wrap: anywhere; }
.body { padding: 18px 20px 6px; font-size: 15.5px; display: grid; gap: 12px; min-height: 330px; }
.body[dir="rtl"] { font-family: var(--font-ar); font-size: 16.5px; }
.personal {
  background: linear-gradient(90deg, var(--photon-soft) 0 100%) no-repeat;
  background-size: 100% 100%; border-radius: 4px; padding: 1px 4px; margin-inline: -4px;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.personal.lit { animation: lit 900ms ease-out; }
@keyframes lit { from { background-size: 0% 100%; } to { background-size: 100% 100%; } }
.note { display: flex; gap: 12px; align-items: flex-start; padding: 14px 20px 18px; border-top: 1px solid var(--line); font-size: 13.5px; color: var(--muted); background: color-mix(in srgb, var(--bg) 55%, var(--surface)); }
.note .sw { flex: none; width: 14px; height: 14px; border-radius: 3px; background: var(--photon-soft); border: 1px solid var(--photon); margin-top: 3px; }
.note b { color: var(--ink); font-weight: 600; }
.caption { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* Bölümler */
section { padding-block: 96px; }
section.alt { background: var(--band); }
section.alt .letter, section.alt .verdict, section.alt .pilot { background: var(--surface); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 48px; align-items: end; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(32px, 4.2vw, 52px); font-stretch: 112%; font-weight: 800; letter-spacing: -.02em; margin-top: 12px; }
.sec-head p { color: var(--muted); font-size: 18px; max-width: 36em; }
@media (max-width: 820px) { .sec-head { grid-template-columns: 1fr; gap: 18px; } section { padding-block: 64px; } }

/* Tez bandı */
.thesis { background: var(--ink); color: var(--bg); }
.thesis .wrap { padding-block: 80px; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.thesis h2 { font-size: clamp(32px, 4.6vw, 58px); font-stretch: 115%; font-weight: 800; letter-spacing: -.02em; }
.thesis h2 s { text-decoration-thickness: .08em; text-decoration-color: var(--photon); opacity: .6; }
.thesis p { color: color-mix(in srgb, var(--bg) 72%, var(--ink)); font-size: 18px; }
.thesis p + p { margin-top: 14px; }
@media (max-width: 820px) { .thesis .wrap { grid-template-columns: 1fr; padding-block: 60px; } }

/* Beş halka */
.rings { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; position: relative; }
.rings::before {
  content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 2px;
  background: linear-gradient(90deg, var(--line), var(--photon) 50%, var(--line)); background-size: 200% 100%;
  animation: trace 6s linear infinite;
}
@keyframes trace { from { background-position: 100% 0; } to { background-position: -100% 0; } }
.rings li { position: relative; padding-right: 22px; min-width: 0; }
.rings .n {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface); border: 2px solid var(--ink); font-family: var(--font-mono); font-weight: 500; position: relative;
}
.rings li:last-child .n { background: var(--photon); border-color: var(--photon); color: #1a1300; }
.rings h3 { font-size: 21px; font-stretch: 110%; font-weight: 700; margin-top: 22px; }
.rings .io { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); margin-top: 8px; }
.rings p { font-size: 15px; color: var(--muted); margin-top: 10px; }
@media (max-width: 920px) {
  .rings { grid-template-columns: 1fr; gap: 28px; }
  .rings::before { left: 23px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--line), var(--photon), var(--line)); animation: none; }
  .rings li { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 0 20px; padding-right: 0; }
  .rings .n { grid-row: span 3; }
  .rings h3 { margin-top: 10px; }
}

/* Korumalar */
.guards { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.guard-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.guard-list li { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.guard-list .k { font-family: var(--font-mono); font-size: 13px; color: var(--muted); padding-top: 3px; }
.guard-list b { display: block; font-weight: 600; }
.guard-list span { color: var(--muted); font-size: 15.5px; }
.verdict {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px;
  font-family: var(--font-mono); font-size: 13.5px; display: grid; gap: 10px;
}
.verdict .row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: baseline; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.verdict .row:last-of-type { border-bottom: 0; }
.verdict .who { overflow-wrap: anywhere; }
.pill { font-size: 12px; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.pill.no { background: color-mix(in srgb, var(--no) 14%, transparent); color: var(--no); }
.pill.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.verdict small { color: var(--muted); font-family: var(--font-body); font-size: 13px; }
@media (max-width: 820px) { .guards { grid-template-columns: 1fr; } .guard-list li { grid-template-columns: 1fr; gap: 4px; } }
/* Dar ekranda karar satırı alt alta: adres kelime ortasından kırılmasın, rozet altına insin. */
@media (max-width: 480px) { .verdict .row { grid-template-columns: 1fr; gap: 4px; justify-items: start; } }

/* Üç taahhüt */
.promises { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.promises h3 { font-size: 24px; font-stretch: 110%; font-weight: 700; margin-bottom: 12px; }
.promises p { color: var(--muted); font-size: 16px; }
.promises .tag { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); margin-bottom: 14px; }
@media (max-width: 820px) { .promises { grid-template-columns: 1fr; gap: 32px; } }

/* Pilot */
.pilot { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--surface); }
.pilot > div { padding: 36px; min-width: 0; }
.pilot > div + div { border-left: 1px solid var(--line); }
.pilot h3 { font-size: 22px; font-stretch: 110%; margin-bottom: 18px; }
.pilot ol, .pilot ul { margin: 0; padding-left: 20px; display: grid; gap: 10px; color: var(--muted); }
.pilot li::marker { color: var(--accent); font-family: var(--font-mono); }
.pilot li b { color: var(--ink); font-weight: 600; }
.pilot-cta { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; justify-content: space-between; margin-top: 28px; padding: 26px 30px; border-radius: 16px; background: var(--photon-soft); }
.pilot-cta p { font-size: 18px; max-width: 34em; }
.pilot-cta .addr { font-family: var(--font-mono); font-size: 15px; user-select: all; overflow-wrap: anywhere; }
@media (max-width: 820px) { .pilot { grid-template-columns: 1fr; } .pilot > div + div { border-left: 0; border-top: 1px solid var(--line); } .pilot > div { padding: 26px; } }

/* SSS */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 18px; padding: 18px 0; font-weight: 600; font-size: 18px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); padding-bottom: 20px; max-width: 44em; }

footer { border-top: 1px solid var(--line); }
footer .wrap { padding-block: 34px; display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; color: var(--muted); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* Sektör sayfaları ve ana sayfadaki sektör kartları */
.hero.sektor h1 { font-size: clamp(36px, 5vw, 60px); }
.buyer-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.buyer-grid li { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; display: grid; gap: 6px; min-width: 0; }
.buyer-grid b { font-family: var(--font-display); font-stretch: 108%; font-size: 19px; }
.buyer-grid span { color: var(--muted); font-size: 15.5px; }
@media (max-width: 720px) { .buyer-grid { grid-template-columns: 1fr; } }
.sector-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sector-grid a { display: grid; gap: 10px; padding: 24px; border-radius: 18px; background: var(--band); text-decoration: none; min-width: 0; transition: background .15s ease; }
.sector-grid a:hover { background: color-mix(in srgb, var(--band) 80%, var(--accent)); }
.sector-grid b { font-family: var(--font-display); font-stretch: 110%; font-size: 21px; }
.sector-grid span { color: var(--muted); font-size: 15px; }
.sector-grid i { font-style: normal; color: var(--accent); font-weight: 600; font-size: 15px; }
@media (max-width: 920px) { .sector-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .sector-grid { grid-template-columns: 1fr; } }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover, .footer-links a[aria-current] { color: var(--ink); }
/* Satisci maliyeti hesabi */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px; align-items: start; }
.calc-in { display: grid; gap: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.calc-in label { display: grid; gap: 8px; font-weight: 600; font-size: 15px; }
.calc-in input { font: inherit; font-family: var(--font-mono); font-size: 18px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); color: var(--ink); width: 100%; min-width: 0; }
.calc-in input:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.calc-note { font-size: 13px; color: var(--muted); }
.calc-out { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.calc-out > div { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; display: grid; gap: 6px; min-width: 0; }
.calc-out .k { font-size: 13.5px; color: var(--muted); }
.calc-out b { font-family: var(--font-display); font-stretch: 108%; font-size: clamp(24px, 3vw, 32px); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.calc-out small { font-size: 13px; color: var(--muted); }
.calc-out .hl { background: var(--photon-soft); border-color: var(--photon); }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .calc-out { grid-template-columns: 1fr; } }
/* Alt bilgi: iletisim ve sosyal medya */
footer .wrap { align-items: center; }
.alt-kimlik { display: grid; gap: 2px; }
.alt-iletisim { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.alt-iletisim .addr { font-family: var(--font-mono); font-size: 14px; user-select: all; color: var(--ink); }
.sosyal { display: flex; gap: 10px; }
.sosyal a { color: var(--muted); display: inline-flex; padding: 5px; border-radius: 8px; }
.sosyal a:hover { color: var(--accent); }
/* Pilot basvuru formu */
.basvuru-kutu { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; margin-top: 28px; }
.basvuru-kutu h3 { font-family: var(--font-display); font-stretch: 110%; font-size: 22px; margin: 0 0 6px; }
.basvuru-kutu > p { color: var(--muted); margin-bottom: 18px; max-width: 44em; }
form.basvuru { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.basvuru label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; min-width: 0; }
.basvuru input { font: inherit; font-size: 16px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); width: 100%; min-width: 0; }
.basvuru input:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.basvuru .genis { grid-column: 1 / -1; }
.basvuru .onay { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 10px; font-weight: 400; font-size: 13.5px; color: var(--muted); }
.basvuru .onay input { width: auto; min-width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); }
.basvuru button { grid-column: 1 / -1; justify-self: start; }
.b-durum { grid-column: 1 / -1; font-size: 14px; color: var(--no); min-height: 1em; margin: 0; }
.b-durum.ok { color: var(--ok); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.b-tesekkur { font-size: 17px; }
.b-yedek { margin-top: 16px; display: grid; gap: 12px; }
.b-yedek pre { background: var(--band); border: 1px solid var(--line); border-radius: 12px; padding: 14px; font-family: var(--font-mono); font-size: 13px; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; user-select: all; }
.b-araclar { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 640px) { form.basvuru { grid-template-columns: 1fr; } }
/* hidden ozniteligi her zaman kazanir (display kurallari ezmesin) */
[hidden] { display: none !important; }