/* TalkToMyATC — tanitim sitesi. Tek dosya, harici font/izleyici yok (KVKK dostu).
   Palet: lacivert #1E3A8A + yesil aksan + krem (uygulamanin ui_kit token'lariyla uyumlu). */

:root {
  --navy: #1e3a8a;
  --navy-deep: #142a66;
  --navy-700: #1b337a;
  --green: #16a34a;
  --green-bright: #22c55e;
  --green-soft: #dcfce7;
  --blue: #3b82f6;            /* ui_kit secondary */
  /* Not: --cream/--cream-card adlari kaldi ama degerler uygulamanin gercek paleti (bg #F9FAFB / surface #FFFFFF). */
  --cream: #f9fafb;
  --cream-card: #ffffff;
  --ink: #1f2937;
  --muted: #4b5563;
  --line: #e5e7eb;
  --white: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 14px rgba(15, 23, 42, .06);
  --shadow-md: 0 10px 30px rgba(20, 42, 102, .14);
  --shadow-lg: 0 24px 60px rgba(20, 42, 102, .22);
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .4em; }
h1 { font-size: clamp(1.75rem, 6vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1rem; }
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--green); margin-bottom: .6rem;
}
.muted { color: var(--muted); }
.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; justify-content: center;
  font-weight: 700; font-size: 1rem; padding: .85rem 1.5rem; border-radius: 999px;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s ease,
    box-shadow .15s ease, background .15s ease, color .15s ease; text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 8px 22px rgba(22, 163, 74, .35); }
.btn-primary:hover { background: var(--green-bright); }
.btn-ghost { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .55); }
.btn-ghost:hover { background: rgba(255, 255, 255, .18); }
.btn-light { background: #fff; color: var(--navy); box-shadow: var(--shadow-sm); }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.05rem; }

/* ---------- Header / nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 255, 255, .82); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 1.2rem; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; color: var(--navy);
  font-size: 1.15rem; letter-spacing: -.02em; }
.brand img { width: 38px; height: 38px; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; margin-left: auto; }
.nav-actions { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.nav-links a { color: var(--ink); font-weight: 600; font-size: .96rem; }
.nav-links a:hover { color: var(--navy); text-decoration: none; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: .35rem; font-weight: 800; font-size: .82rem;
  color: var(--navy); border: 1.5px solid var(--navy); border-radius: 999px; padding: .3rem .7rem;
}
.lang-toggle:hover { background: var(--navy); color: #fff; text-decoration: none; }
.nav-cta { padding: .55rem 1.1rem; font-size: .92rem; }
.nav-burger { display: none; }
.nav-toggle { display: none; }
.nav-links-cta { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 500px at 80% -10%, var(--blue) 0%, transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 70px;
  background: var(--cream);
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 65%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center;
  padding: 4.5rem 0 5.5rem;
}
.hero h1 { color: #fff; }
.hero p.lead { font-size: 1.2rem; color: #d7e0f7; max-width: 34ch; }
.hero .eyebrow { color: var(--green-bright); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero-meta { display: flex; gap: 1.6rem; margin-top: 1.8rem; flex-wrap: wrap; }
.hero-meta div { font-size: .92rem; color: #c3cef0; }
.hero-meta b { display: block; color: #fff; font-size: 1.35rem; font-weight: 800; }
.hero-art { position: relative; display: flex; justify-content: center; }
.hero-art .owl {
  width: min(360px, 80%); filter: drop-shadow(0 26px 40px rgba(0, 0, 0, .35));
  animation: float 6s ease-in-out infinite;
}
.hero-art .ring {
  position: absolute; inset: -4% 2%; border-radius: 50%;
  background: radial-gradient(circle at 50% 46%,
    rgba(248, 250, 252, .34) 0%, rgba(226, 232, 240, .18) 40%, transparent 68%);
  filter: blur(26px); z-index: 0;
}
.hero-art .owl { position: relative; z-index: 1; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* Telsiz "yayinda" hissi: maskotun arkasindan yayilan radyo dalgalari (sonar ping),
   JS yok (CSP uyumlu). Iki halka kaydirmali doner, isik onlarla ayni ritimde nefes alir. */
.hero-art::before, .hero-art::after {
  content: ""; position: absolute; left: 50%; top: 47%;
  width: 52%; aspect-ratio: 1 / 1; border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, .42);
  transform: translate(-50%, -50%) scale(.45);
  opacity: 0; z-index: 0; pointer-events: none;
  animation: tx-ping 4.6s ease-out infinite;
}
.hero-art::after { animation-delay: 2.3s; }
@keyframes tx-ping {
  0%   { transform: translate(-50%, -50%) scale(.45); opacity: 0; }
  10%  { opacity: .5; }
  70%  { opacity: 0; }
  100% { transform: translate(-50%, -50%) scale(1.32); opacity: 0; }
}
.hero-art .ring { animation: ring-breathe 4.6s ease-in-out infinite; }
@keyframes ring-breathe { 0%, 100% { opacity: .82; } 50% { opacity: 1; } }

/* Hareketi azalt tercihine saygi: animasyonlari kapat. */
@media (prefers-reduced-motion: reduce) {
  .hero-art .owl, .hero-art .ring,
  .hero-art::before, .hero-art::after { animation: none; }
  .hero-art::before, .hero-art::after { opacity: 0; }
}

/* ---------- Section shell ---------- */
section { padding: 4.5rem 0; }
.section-head { max-width: 640px; margin: 0 auto 2.6rem; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* ---------- Feature cards ---------- */
.grid { display: grid; gap: 1.2rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--cream-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .ic {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; background: var(--green-soft); color: var(--green); margin-bottom: 1rem;
}
.card .ic svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: .35rem; }
.card p { color: var(--muted); margin: 0; font-size: .98rem; }

/* ---------- How it works ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.step { position: relative; padding-top: .5rem; }
.step .n {
  width: 44px; height: 44px; border-radius: 50%; background: var(--navy); color: #fff;
  display: grid; place-items: center; font-weight: 800; margin-bottom: .9rem;
}
.step h3 { margin-bottom: .3rem; }
.step p { color: var(--muted); margin: 0; }

/* ---------- Safety / trust band ---------- */
.band {
  background: linear-gradient(160deg, #11254f, var(--navy)); color: #fff; border-radius: 26px;
  padding: 3rem; box-shadow: var(--shadow-lg);
}
.band h2 { color: #fff; }
.band p { color: #cfd9f4; }
.band .pill {
  display: inline-flex; align-items: center; gap: .5rem; background: rgba(34, 197, 94, .18);
  color: var(--green-bright); font-weight: 700; font-size: .85rem; padding: .35rem .8rem;
  border-radius: 999px; margin-bottom: 1rem;
}

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--cream-card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 1.2rem; margin-bottom: .8rem; box-shadow: var(--shadow-sm);
}
.faq summary {
  list-style: none; cursor: pointer; font-weight: 700; padding: 1.1rem 0; display: flex;
  justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--green); font-size: 1.5rem; font-weight: 700; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--muted); padding-bottom: 1.1rem; margin: 0; }

/* ---------- Final CTA ---------- */
.cta-final { text-align: center; }
.cta-final .box {
  background: var(--cream-card); border: 1px solid var(--line); border-radius: 26px;
  padding: 3.2rem 2rem; box-shadow: var(--shadow-md);
}

/* ---------- Footer ---------- */
.footer { background: var(--navy-deep); color: #c7d2ee; padding: 3.2rem 0 2rem; }
.footer a { color: #c7d2ee; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer .brand { color: #fff; }
.footer h4 { color: #fff; font-size: .95rem; margin: 0 0 .9rem; letter-spacing: .02em; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: .5rem; font-size: .95rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 1.4rem; display: flex;
  justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .88rem; color: #9fb0d8;
}

/* ---------- Legal / document pages ---------- */
.doc { background: var(--cream); }
.doc-wrap { max-width: 820px; margin: 0 auto; background: var(--cream-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 3rem); box-shadow: var(--shadow-sm); }
.doc h1 { color: var(--navy); font-size: clamp(1.8rem, 4vw, 2.4rem); }
.doc .updated { color: var(--muted); font-size: .9rem; margin-bottom: 2rem; }
.doc h2 { font-size: 1.3rem; margin-top: 2rem; color: var(--ink); }
.doc h3 { font-size: 1.05rem; margin-top: 1.4rem; }
.doc p, .doc li { color: #25324c; }
.doc ul { padding-left: 1.2rem; }
.doc li { margin-bottom: .4rem; }
.doc .note {
  background: var(--green-soft); border: 1px solid #bbf0cb; border-radius: var(--radius-sm);
  padding: 1rem 1.2rem; font-size: .92rem; color: #14532d; margin: 1.4rem 0;
}
.back-link { display: inline-block; margin-top: 2rem; font-weight: 700; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding: 3.5rem 0 4.5rem; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-meta { justify-content: center; }
  .hero-art { order: -1; }
  .hero-art .owl { width: min(280px, 64%); }
  .grid-3, .grid-4, .steps, .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Mobile nav: collapse the section links into a no-JS dropdown (label toggles a hidden checkbox) */
@media (max-width: 760px) {
  .nav-cta { display: none; }
  .nav-burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: 12px; cursor: pointer;
    border: 1.5px solid var(--line); background: #fff; color: var(--navy);
  }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    padding: .4rem 0;
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links a { padding: .9rem 22px; font-size: 1rem; }
  .nav-links a:hover { background: var(--cream); color: var(--navy); }
  .nav-links-cta {
    display: block; margin: .5rem 22px .3rem; padding: .8rem 1rem; text-align: center;
    background: var(--green); color: #fff; border-radius: 999px; font-weight: 700;
  }
  .nav-links-cta:hover { background: var(--green-bright); color: #fff; }
}

@media (max-width: 620px) {
  .grid-3, .grid-4, .steps, .footer-grid { grid-template-columns: 1fr; }
  .band { padding: 2rem; }
  section { padding: 3.2rem 0; }
}