/* ==========================================================================
   TATAS — Ortak Stil Dosyası
   Renk paleti, uygulamanın kendi tema dosyasından (src/constants/theme.ts)
   birebir alınmıştır — web sitesi ile uygulama aynı görsel kimliği paylaşır.
   ========================================================================== */

:root {
  --bg: #121212;
  --surface: #1E1E1E;
  --surface-raised: #232323;
  --primary: #3498DB;
  --primary-dim: #2A79AD;
  --secondary: #2ECC71;
  --text: #F5F5F5;
  --text-secondary: #AAAAAA;
  --border: #333333;
  --error: #E74C3C;

  --max-width: 1120px;
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  line-height: 1.25;
  text-wrap: balance;
  margin: 0 0 16px;
}

p { margin: 0 0 16px; color: var(--text); }
p.lede { color: var(--text-secondary); font-size: 18px; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- Header / Nav ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18, 18, 18, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
}
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand:hover { text-decoration: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 14.5px;
  font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); text-decoration: none; }

.nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 20px;
    gap: 16px;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    cursor: pointer;
  }
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.12s ease, border-color 0.12s ease;
}
.btn:hover { text-decoration: none; }
@media (prefers-reduced-motion: no-preference) {
  .btn:hover { transform: translateY(-1px); }
}

.btn-primary { background: var(--primary); color: #08131A; }
.btn-primary:hover { background: #4EA8E6; }

.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text-secondary); }

.btn-disabled {
  background: var(--surface-raised);
  color: var(--text-secondary);
  border-color: var(--border);
  cursor: not-allowed;
}
.btn-disabled:hover { transform: none; }

.btn-lg { padding: 16px 30px; font-size: 16px; }

/* ---------------- Hero ---------------- */

.hero {
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
  background: rgba(46, 204, 113, 0.12);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 { font-size: 44px; margin-bottom: 18px; }
.hero .lede { font-size: 19px; max-width: 52ch; margin-bottom: 30px; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.hero-note { font-size: 13.5px; color: var(--text-secondary); }

@media (max-width: 860px) {
  .hero { padding: 56px 0 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 32px; }
  .video-col { order: -1; }
}

.video-col { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.video-embed {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 9 / 16;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(52, 152, 219, 0.18);
}
.video-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

.btn-youtube { background: #FF0000; color: #fff; border-color: transparent; }
.btn-youtube:hover { background: #E60000; }

/* ---------------- Sections ---------------- */

.section { padding: 72px 0; }
.section-border { border-bottom: 1px solid var(--border); }
.section-alt { background: var(--surface); }

.section-head { max-width: 62ch; margin-bottom: 44px; }
.section-head h2 { font-size: 30px; }
.section-head p { color: var(--text-secondary); font-size: 16.5px; }

@media (max-width: 720px) {
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
}

/* ---------------- Feature grid ---------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.section-alt .card { background: var(--surface-raised); }

.card .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(52, 152, 219, 0.14);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card .icon svg { width: 20px; height: 20px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--text-secondary); font-size: 14.5px; margin-bottom: 0; }

/* ---------------- Profession pills ---------------- */

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 14px;
  color: var(--text);
}
.section-alt .pill { background: var(--surface-raised); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--secondary); }

/* ---------------- Trust / privacy strip ---------------- */

.trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 800px) { .trust { grid-template-columns: 1fr; } }
.trust .item { display: flex; gap: 14px; }
.trust .num {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--secondary);
  color: var(--secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.trust h4 { font-size: 15.5px; margin-bottom: 4px; }
.trust p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-secondary);
  font-size: 13.5px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links { display: flex; align-items: center; gap: 20px; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--text-secondary); }
.footer-links a:hover { color: var(--text); }
.footer-social-item a { display: flex; }
.footer-social-item svg { width: 18px; height: 18px; }

/* ---------------- Page header (guide / legal) ---------------- */

.page-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: 34px; margin-bottom: 10px; }
.page-hero p { color: var(--text-secondary); font-size: 17px; max-width: 60ch; margin-bottom: 0; }

/* ---------------- Guide steps ---------------- */

.steps { counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-num {
  counter-increment: step;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 15px;
}
.step-num::before { content: counter(step); }
.step h3 { font-size: 18px; margin-bottom: 6px; }
.step p { color: var(--text-secondary); margin-bottom: 10px; }
.step ul { margin: 0 0 10px; padding-left: 20px; color: var(--text-secondary); }
.step ul li { margin-bottom: 6px; }
.step .tip {
  display: inline-block;
  background: rgba(46, 204, 113, 0.1);
  border-left: 3px solid var(--secondary);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text);
}

@media (max-width: 560px) {
  .step { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------------- Guide video grid ---------------- */

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 900px) { .video-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .video-grid { grid-template-columns: 1fr; } }

.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.video-card .video-embed {
  max-width: none;
  margin-bottom: 18px;
  box-shadow: none;
}
.video-card .badge {
  display: inline-block;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.video-card h3 { font-size: 17px; margin-bottom: 8px; }
.video-card p { color: var(--text-secondary); font-size: 14.5px; margin-bottom: 0; }

/* ---------------- FAQ ---------------- */

.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item h4 { font-size: 16px; margin-bottom: 8px; }
.faq-item p { color: var(--text-secondary); margin-bottom: 0; font-size: 15px; }

/* ---------------- Legal document ---------------- */

.legal-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.legal-switch button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.legal-switch button.is-active { color: var(--bg); background: var(--primary); border-color: var(--primary); }

.legal-doc { max-width: 760px; }
.legal-doc h2 { font-size: 21px; margin-top: 40px; }
.legal-doc h2:first-child { margin-top: 0; }
.legal-doc h3 { font-size: 16px; margin-top: 22px; }
.legal-doc p, .legal-doc li { color: var(--text-secondary); font-size: 15px; }
.legal-doc strong { color: var(--text); }
.legal-doc ul, .legal-doc ol { padding-left: 22px; }
.legal-doc .callout {
  background: var(--surface);
  border-left: 3px solid var(--primary);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 18px 0;
}
.legal-doc .callout p { color: var(--text); margin-bottom: 0; font-size: 14.5px; }
.legal-doc .meta { color: var(--text-secondary); font-size: 13.5px; margin-bottom: 36px; }
.legal-doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.legal-doc th, .legal-doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.legal-doc th { color: var(--text-secondary); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.04em; }