/* =========================================================
   Barkod Tarayıcı — tanıtım sitesi
   Renkler tek yerden: aşağıdaki değişkenleri değiştirmen yeterli.
   ========================================================= */
:root {
  color-scheme: light dark;

  /* Marka */
  --brand: #007aff;
  --brand-strong: #0a63d6;
  --brand-soft: rgba(0, 122, 255, 0.1);

  /* Yüzeyler (açık tema) */
  --bg: #f4f5f7;
  --bg-elev: #ffffff;
  --surface: #ffffff;
  --ink: #0b0b0f;
  --ink-2: #3a3a42;
  --muted: #6a6a73;
  --line: rgba(11, 11, 15, 0.1);
  --line-soft: rgba(11, 11, 15, 0.06);

  /* Koyu paneller (her temada koyu kalanlar) */
  --night: #0a0a0c;
  --night-2: #141417;
  --night-ink: #f5f5f7;
  --night-muted: #9a9aa4;
  --night-line: rgba(255, 255, 255, 0.12);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 40px 90px rgba(0, 0, 0, 0.28);

  --radius: 18px;
  --radius-lg: 26px;
  --maxw: 1140px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050506;
    --bg-elev: #0f0f12;
    --surface: #131316;
    --ink: #f5f5f7;
    --ink-2: #d2d2d8;
    --muted: #9a9aa4;
    --line: rgba(255, 255, 255, 0.12);
    --line-soft: rgba(255, 255, 255, 0.07);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

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

.container {
  width: min(var(--maxw), calc(100% - 44px));
  margin: 0 auto;
}

/* ---------- Tipografi ---------- */
h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(38px, 5.4vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 780;
  margin-bottom: 14px;
}

h3 {
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin-bottom: 8px;
}

.lead {
  font-size: clamp(18px, 1.6vw, 21px);
  color: var(--muted);
  margin-bottom: 0;
  max-width: 56ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}

/* ---------- Butonlar ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.button:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.button.primary {
  border-color: transparent;
  background: var(--brand);
  color: #fff;
}

.button.primary:hover { background: var(--brand-strong); }

.button.ghost {
  background: transparent;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--night) 86%, transparent);
  color: var(--night-ink);
  border-bottom: 1px solid var(--night-line);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14.5px;
  font-weight: 550;
  color: var(--night-muted);
}

.nav-links a { transition: color 0.15s ease; }
.nav-links a:hover { color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 85% -10%, rgba(0, 122, 255, 0.22), transparent 55%),
    var(--night);
  color: var(--night-ink);
  border-bottom: 1px solid var(--night-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
  padding: clamp(56px, 8vw, 104px) 0 clamp(40px, 6vw, 80px);
}

.hero h1 { color: #fff; }
.hero h1 .accent { color: var(--brand); }

.hero .lead { color: var(--night-muted); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 30px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--night-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 600;
  color: var(--night-ink);
}

.tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ec27a;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-actions .button:not(.primary) {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--night-line);
  color: #fff;
}

.hero-actions .button:not(.primary):hover { background: rgba(255, 255, 255, 0.12); }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.3), transparent 65%);
  filter: blur(20px);
  z-index: 0;
}

/* ---------- Telefon çerçevesi ---------- */
.device {
  position: relative;
  width: clamp(230px, 26vw, 300px);
  aspect-ratio: 9 / 19.5;
  padding: 9px;
  border-radius: 44px;
  background: linear-gradient(160deg, #2b2b32, #050506 60%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-lg);
}

.device::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 22px;
  background: #050506;
  border-radius: 0 0 14px 14px;
  z-index: 3;
}

.device > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 36px;
  background: #000;
}

/* Hero'daki ana telefon: tek, ortalı, taşmayan */
.hero-visual .device {
  position: relative;
  z-index: 1;
  width: clamp(238px, 30vw, 300px);
}

/* ---------- İstatistik şeridi ---------- */
.stats {
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat {
  padding: 28px 18px;
  text-align: center;
  border-left: 1px solid var(--line-soft);
}
.stat:first-child { border-left: 0; }

.stat .num {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.stat .num .unit { color: var(--brand); }

.stat .label {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 4px;
}

/* ---------- Genel bölüm ---------- */
.section { padding: clamp(64px, 8vw, 104px) 0; }

.section-heading { max-width: 680px; margin: 0 auto clamp(40px, 5vw, 60px); text-align: center; }
.section-heading .eyebrow { justify-content: center; }
.section-heading p { color: var(--muted); margin-bottom: 0; }

/* ---------- Özellik satırları (ekran + metin) ---------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
  padding: clamp(46px, 6vw, 72px) 0;
  border-top: 1px solid var(--line-soft);
}

.feature:first-of-type { border-top: 0; }

.feature.reverse .feature-media { order: 2; }

.feature-media {
  display: flex;
  justify-content: center;
  position: relative;
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: auto;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, var(--brand-soft), transparent 70%);
  z-index: -1;
  filter: blur(10px);
}

.feature-copy .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-copy p { color: var(--ink-2); }

.checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.checklist li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.5;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 19px;
  height: 19px;
  border-radius: 6px;
  background: var(--brand-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23007aff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.checklist li strong { color: var(--ink); font-weight: 650; }

/* ---------- İçerik türleri ---------- */
.types-section { background: var(--bg-elev); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.types {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 880px;
  margin: 0 auto;
}

.pill {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.pill:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }

/* ---------- Gizlilik bandı ---------- */
.privacy-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  padding: clamp(34px, 5vw, 52px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(0, 122, 255, 0.2), transparent 55%),
    var(--night);
  color: var(--night-ink);
  border: 1px solid var(--night-line);
  box-shadow: var(--shadow);
}

.privacy-banner h2 { color: #fff; }
.privacy-banner p { color: var(--night-muted); margin-bottom: 0; max-width: 60ch; }
.privacy-banner .button { background: #fff; color: var(--night); border-color: transparent; white-space: nowrap; }
.privacy-banner .button:hover { background: #e9e9ee; }

/* ---------- Künye / teknik ---------- */
.specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.spec-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.spec-card .k { font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.spec-card .v { font-size: 17px; font-weight: 650; color: var(--ink); }

/* ---------- Alt sayfa hero (destek/gizlilik) ---------- */
.page-hero { padding: clamp(56px, 8vw, 88px) 0 36px; }
.page-hero h1 { max-width: 18ch; }
.page-hero .lead { margin-top: 14px; }

.content-stack { display: grid; gap: 14px; padding-bottom: clamp(56px, 8vw, 96px); }

.policy-card, .faq-card {
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.policy-card p, .faq-card p { color: var(--muted); margin-bottom: 0; }
.policy-card ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.policy-card li { margin-bottom: 6px; }
.policy-card a, .faq-card a { color: var(--brand); }

.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  margin-top: 6px;
}

.contact-card p { color: var(--muted); margin-bottom: 0; }

/* ---------- Footer ---------- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-weight: 600; }
.footer-links a { transition: color 0.15s ease; }
.footer-links a:hover { color: var(--brand); }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 16px; text-align: left; }
  .hero-visual { margin-top: 30px; }
  .hero-visual .device { width: clamp(220px, 62vw, 270px); }
  .feature, .feature.reverse { grid-template-columns: 1fr; gap: 32px; }
  .feature.reverse .feature-media { order: 0; }
  .specs { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
  .privacy-banner { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; font-size: 13.5px; }
  .nav-links .hide-sm { display: none; }
}

@media (max-width: 460px) {
  .specs { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .hero-visual .device { transform: none; }
}