:root {
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #eaf1fe;
  --ink: #0f172a;
  --muted: #5c6b84;
  --canvas: #f5f7fb;
  --surface: #ffffff;
  --line: #dfe6f0;
  --ok: #1f8a4c;
  --ok-soft: #e8f5ee;
  --danger: #dc2626;
  --danger-soft: #fdeaea;
  --radius: 18px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #5b8cff;
    --accent-dark: #3b6ef5;
    --accent-soft: #172442;
    --ink: #e8edf6;
    --muted: #9aa8bf;
    --canvas: #0b1120;
    --surface: #121a2d;
    --line: #22304a;
    --ok: #4cc27f;
    --ok-soft: #10281c;
    --danger: #f87171;
    --danger-soft: #2d1414;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a { color: var(--accent); text-underline-offset: 3px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* Üst menü */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
}
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.nav-links { display: flex; gap: 18px; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 72px;
}
.eyebrow {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
h1 {
  font-size: clamp(34px, 5.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  text-wrap: balance;
}
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }

.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.store {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-width: 168px;
  padding: 10px 18px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--canvas);
  line-height: 1.25;
}
.store small { font-size: 12px; opacity: 0.75; }
.store strong { font-size: 17px; }
.stores-note { font-size: 14px; color: var(--muted); margin-top: 12px; }

/* Telefon maketi */
.phone {
  justify-self: center;
  width: 280px;
  border-radius: 40px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(15, 23, 42, 0.35);
  padding: 22px 18px;
}
.phone-bar { width: 90px; height: 6px; border-radius: 3px; background: var(--line); margin: 0 auto 20px; }
.card {
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.45;
}
.card .label { font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.tag { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.tag.bad { background: var(--danger-soft); color: var(--danger); }
.tag.good { background: var(--ok-soft); color: var(--ok); }
.bar { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; margin-top: 8px; }
.bar span { display: block; height: 100%; width: 68%; background: var(--accent); }

/* Bölümler */
section { padding: 64px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.6vw, 34px); letter-spacing: -0.01em; line-height: 1.2; margin: 0 0 12px; }
.section-lead { color: var(--muted); margin: 0 0 36px; max-width: 38em; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.section-alt .step { background: var(--canvas); }
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); font-size: 16px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { position: relative; padding-left: 30px; margin-bottom: 12px; }
.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--ok-soft);
  color: var(--ok);
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

/* Metin sayfaları (gizlilik, destek) */
.doc { max-width: 760px; padding: 32px 0 72px; }
.doc h1 { font-size: clamp(30px, 4.4vw, 40px); }
.doc h2 { font-size: 22px; margin-top: 36px; }
.doc .meta { color: var(--muted); font-size: 15px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.doc th, .doc td { text-align: left; padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--muted); font-weight: 600; }
.table-scroll { overflow-x: auto; }
.doc details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.doc summary { font-weight: 600; cursor: pointer; }
.doc details p { margin: 10px 0 0; color: var(--muted); }
.contact {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 22px;
  margin: 24px 0;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer nav { display: flex; gap: 18px; }
footer a { color: var(--muted); }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding: 28px 0 48px; gap: 40px; }
  .steps, .split { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
  .nav-links { gap: 14px; }
}