:root {
  --ink: #111111;
  --lime: #d6ff42;
  --bg: #f5f5f7;
  --bg-alt: #ffffff;
  --ink-soft: #55545f;
  --ink-faint: #8b8a95;
  --card: #ffffff;
  --border: #e6e6ea;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow: 0 20px 50px -20px rgba(17, 17, 17, 0.25);
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  scroll-behavior: smooth;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- language toggling ---------- */
html.lang-tr [data-en] { display: none !important; }
html.lang-en [data-tr] { display: none !important; }

/* ---------- header ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 245, 247, 0.82);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand img { width: 36px; height: 36px; border-radius: 10px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--ink); }

.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  background: var(--bg-alt);
  gap: 2px;
}
.lang-toggle button {
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink-faint);
}
.lang-toggle button.active {
  background: var(--ink);
  color: var(--lime);
}

@media (max-width: 720px) {
  .nav-links a.hide-mobile { display: none; }
}

/* ---------- hero ---------- */
.hero {
  padding: 88px 0 72px;
  text-align: center;
}
.hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.hero .badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(214,255,66,0.35);
}

.hero-icon {
  width: 108px;
  height: 108px;
  border-radius: 26px;
  margin: 0 auto 32px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(34px, 5.5vw, 58px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
.hero h1 .accent {
  background: var(--lime);
  padding: 0 10px;
  border-radius: 10px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero p.lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 40px;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 16px;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 14px 30px -10px rgba(214, 255, 66, 0.6);
}
.btn-ghost {
  background: var(--bg-alt);
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn[disabled] { opacity: .55; cursor: default; box-shadow: none; }

/* ---------- phone preview ---------- */
.preview-strip {
  margin-top: 64px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.preview-card {
  width: min(280px, 80vw);
  border-radius: 34px;
  padding: 10px;
  background: linear-gradient(160deg, #1c1c1c, #0a0a0a);
  box-shadow: var(--shadow);
}
.preview-card img {
  border-radius: 26px;
  overflow: hidden;
}
.preview-caption {
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-faint);
}

/* ---------- sections ---------- */
section { padding: 88px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { text-align: center; max-width: 620px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--lime);
}
.section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.section-head p { color: var(--ink-soft); font-size: 16.5px; line-height: 1.6; margin: 0; }

/* feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
}
.feature-card .icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--lime);
  font-size: 21px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 16.5px; font-weight: 800; margin: 0 0 8px; }
.feature-card p { font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); margin: 0; }

/* steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step { text-align: center; }
.step .num {
  width: 52px; height: 52px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font-weight: 900;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 26px -10px rgba(214,255,66,.5);
}
.step h3 { font-size: 17px; font-weight: 800; margin: 0 0 10px; }
.step p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; margin: 0; }

/* free banner */
.free-banner {
  max-width: 760px;
  margin: 0 auto;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
}
.free-banner .amount { font-size: 48px; font-weight: 900; color: var(--lime); margin-bottom: 8px; }
.free-banner p { color: rgba(255,255,255,0.7); font-size: 15.5px; margin: 0; }

/* privacy/terms doc pages */
.privacy-note {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 40px;
  font-size: 14px;
  color: var(--ink-soft);
}
.doc h2 { font-size: 21px; font-weight: 800; margin: 40px 0 12px; }
.doc h2:first-child { margin-top: 0; }
.doc p, .doc li { font-size: 15.5px; line-height: 1.75; color: var(--ink-soft); }
.doc ul { padding-left: 22px; }
.doc strong { color: var(--ink); }
.doc .updated { color: var(--ink-faint); font-size: 13.5px; margin-bottom: 36px; }

/* contact */
.contact-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}
.contact-card .icon-lg {
  width: 60px; height: 60px;
  border-radius: 18px;
  background: var(--ink);
  color: var(--lime);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin: 0 auto 22px;
}
.contact-card .email {
  display: inline-block;
  margin-top: 18px;
  font-weight: 800;
  font-size: 17px;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
}

/* footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  background: var(--bg-alt);
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 15px;
  color: var(--ink-soft);
}
.footer-brand img { width: 26px; height: 26px; border-radius: 7px; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }
.footer-copy { font-size: 12.5px; color: var(--ink-faint); margin-top: 24px; }

.footer-made-by {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-faint);
  margin-top: 10px;
}
.footer-made-by img { height: 13px; width: auto; opacity: .7; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 28px;
}