:root {
  --teal: #0F766E;
  --teal-dark: #0B5B54;
  --teal-light: #E6F4F2;
  --ink: #1A2027;
  --ink-soft: #5B6472;
  --border: #E3E7EC;
  --bg-card: #F7F8F9;
  --bg-dark: #12181C;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header / Nav ---------- */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) 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; flex-shrink: 0; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-center { display: flex; align-items: center; gap: 26px; flex: 1; justify-content: center; }
.nav-center a { font-size: 14.5px; color: var(--ink-soft); font-weight: 500; white-space: nowrap; }
.nav-center a:hover, .nav-center a.active { color: var(--teal); }
.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-signin { font-size: 14.5px; font-weight: 600; color: var(--ink); padding: 9px 14px; }
.nav-signin:hover { color: var(--teal); }
.nav-toggle { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 14.5px;
  border: none; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 4px 14px rgba(15,118,110,0.25); }
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--teal); border: 1.5px solid var(--teal); }
.btn-ghost:hover { background: var(--teal-light); }
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-dark { background: var(--bg-dark); color: #fff; }
.btn-dark:hover { background: #000; }

/* ---------- Hero (shared banner pattern) ---------- */
.hero { padding: 64px 0 0; overflow: hidden; }
.hero-inner { display: flex; align-items: center; gap: 48px; padding-bottom: 48px; }
.hero-copy { flex: 1; min-width: 320px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--teal);
  background: var(--teal-light); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; letter-spacing: .3px;
}
h1 { font-size: 42px; line-height: 1.14; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 18px; }
h1 .accent { color: var(--teal); }
.hero-sub { font-size: 17.5px; color: var(--ink-soft); margin-bottom: 30px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; font-size: 13.5px; color: var(--ink-soft); }
.hero-trust span { display: flex; align-items: center; gap: 6px; }
.hero-visual { flex: 1.2; min-width: 320px; }
.hero-visual img { border-radius: 20px; box-shadow: 0 30px 70px -25px rgba(15,118,110,0.35); }

.page-hero {
  padding: 56px 0 44px; text-align: center;
  background: linear-gradient(180deg, var(--teal-light) 0%, #fff 100%);
}
.page-hero .eyebrow { margin-left: auto; margin-right: auto; }
.page-hero h1 { max-width: 640px; margin: 0 auto 14px; }
.page-hero p { color: var(--ink-soft); font-size: 17px; max-width: 560px; margin: 0 auto; }

/* ---------- Sections ---------- */
section { padding: 68px 0; }
.section-title { font-size: 29px; font-weight: 800; text-align: center; margin-bottom: 12px; letter-spacing: -0.3px; }
.section-sub { text-align: center; color: var(--ink-soft); font-size: 16px; max-width: 580px; margin: 0 auto 46px; }
.section-tight { padding-top: 0; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 26px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature-card:hover {
  transform: translateY(-4px); box-shadow: 0 18px 34px -20px rgba(15,118,110,0.35); border-color: rgba(15,118,110,0.25);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--teal);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: #fff;
}
.feature-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 7px; }
.feature-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- Devices (masaüstü + mobil) section ---------- */
.devices-block { text-align: center; }
.devices-block img {
  border-radius: 20px; box-shadow: 0 30px 70px -25px rgba(15,118,110,0.3);
  max-width: 900px; width: 100%; margin: 0 auto;
}

/* ---------- Compact sector strip (homepage) ---------- */
.sector-strip-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 34px; }
.sector-strip-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 14px; text-align: center;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.sector-strip-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px -18px rgba(15,118,110,0.3); border-color: rgba(15,118,110,0.25); }
.sector-strip-card .ic { font-size: 25px; margin-bottom: 10px; }
.sector-strip-card span { font-size: 13.5px; font-weight: 600; display: block; }
.sector-strip-cta { text-align: center; }

.stat-strip { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; border-top: 1px solid var(--border); padding-top: 40px; }
.stat-strip .stat-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--ink-soft); }
.stat-strip .stat-item .ic { font-size: 20px; }
.stat-strip .stat-item strong { display: block; font-size: 14.5px; color: var(--ink); }

/* ---------- Sector cards ---------- */
.sector-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sector-card {
  position: relative; border-radius: 18px; overflow: hidden; border: 1px solid var(--border);
  background: var(--bg-card); padding: 26px; transition: transform .15s ease, box-shadow .15s ease;
}
.sector-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px -18px rgba(15,118,110,0.35); }
.sector-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--teal-light); color: var(--teal);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px;
}
.sector-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.sector-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  border: 1.5px solid var(--border); border-radius: 18px; padding: 30px; display: flex; flex-direction: column;
  background: #fff;
}
.price-card.featured { border-color: var(--teal); box-shadow: 0 16px 40px -20px rgba(15,118,110,0.4); position: relative; }
.price-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 999px;
}
.price-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 6px; }
.price-tagline { color: var(--ink-soft); font-size: 14px; margin-bottom: 20px; }
.price-tag { font-size: 15px; font-weight: 700; color: var(--teal); margin-bottom: 22px; }
.price-features { display: flex; flex-direction: column; gap: 11px; margin-bottom: 26px; flex: 1; }
.price-features li { font-size: 14px; color: var(--ink-soft); display: flex; align-items: flex-start; gap: 8px; }
.price-features li:before { content: "✓"; color: var(--teal); font-weight: 700; }
.price-note {
  text-align: center; margin-top: 40px; font-size: 13.5px; color: var(--ink-soft);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px;
}

/* ---------- CTA ---------- */
.cta { background: var(--teal); color: #fff; border-radius: 24px; padding: 56px 32px; text-align: center; }
.cta h2 { font-size: 27px; font-weight: 800; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,0.85); margin-bottom: 26px; font-size: 15.5px; }
.cta .btn-primary { background: #fff; color: var(--teal); }
.cta .btn-primary:hover { background: #F0F0F0; }

/* ---------- Store badges ---------- */
.stores { display: flex; gap: 12px; flex-wrap: wrap; }
.store-badge {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1.5px solid var(--border); border-radius: 12px; padding: 10px 16px; color: var(--ink-soft); font-size: 13px; background: #fff;
}
.store-badge strong { display: block; font-size: 14px; color: var(--ink); }
.store-badge .soon-tag {
  font-size: 10px; font-weight: 700; color: var(--teal); background: var(--teal-light);
  padding: 2px 8px; border-radius: 999px; margin-left: 8px; letter-spacing: .3px;
}

/* ---------- Simple content blocks (about / blog) ---------- */
.content-narrow { max-width: 760px; margin: 0 auto; }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.value-card { padding: 24px; border-radius: 16px; background: var(--bg-card); border: 1px solid var(--border); }
.value-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--ink-soft); }

.blog-empty {
  text-align: center; padding: 64px 32px; border: 1.5px dashed var(--border); border-radius: 20px; background: var(--bg-card);
}
.blog-empty .ic { font-size: 40px; margin-bottom: 16px; }
.blog-empty h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.blog-empty p { color: var(--ink-soft); font-size: 15px; max-width: 420px; margin: 0 auto; }

/* ---------- Footer ---------- */
footer.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; margin-bottom: 36px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; margin-bottom: 12px; }
.footer-brand img { width: 26px; height: 26px; border-radius: 7px; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .4px; }
.footer-col a { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 10px; }
.footer-col a:hover { color: var(--teal); }
.footer-desc { font-size: 14px; color: var(--ink-soft); max-width: 300px; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  border-top: 1px solid var(--border); padding-top: 24px; font-size: 13px; color: var(--ink-soft);
}

@media (max-width: 900px) {
  .hero-inner { flex-direction: column; }
  .features-grid, .sector-grid, .pricing-grid, .value-grid { grid-template-columns: 1fr; }
  .sector-strip-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 32px; }
  .nav-center { display: none; }
}