:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --ink-faint: #64748b;
  --brand-50: #eefaf6;
  --brand-100: #d3f2e7;
  --brand-500: #1c9d7c;
  --brand-600: #158066;
  --brand-700: #116552;
  --line: #e2e8f0;
  --radius: 0.875rem;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .wrap { padding: 0 1.5rem; } }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.95); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .row { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }
.logo { font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: .4rem; }
.logo .dot { width: .6rem; height: .6rem; border-radius: 999px; background: var(--brand-500); display: inline-block; }
.logo .brand { color: var(--brand-500); }
.nav-desktop { display: none; gap: 1.5rem; }
.nav-desktop a { font-size: .9rem; font-weight: 500; color: var(--ink-soft); }
.btn-login { background: var(--ink); color: #fff; padding: .5rem 1rem; border-radius: .5rem; font-size: .875rem; font-weight: 600; }
.hamburger { display: flex; width: 2.75rem; height: 2.75rem; align-items: center; justify-content: center; background: none; border: none; }
@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .hamburger { display: none; }
  .btn-login-mobile { display: none; }
}
.nav-mobile { border-top: 1px solid var(--line); padding: .5rem 1rem 1rem; }
.nav-mobile a { display: block; padding: .75rem .5rem; font-weight: 500; color: var(--ink-soft); }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--ink); color: #fff; }
.hero-inner { position: relative; padding: 2.5rem 0; }
@media (min-width: 640px) { .hero-inner { padding: 4rem 0; } }
.badge { display: inline-flex; align-items: center; gap: .4rem; background: rgba(255,255,255,.1); padding: .25rem .75rem; border-radius: 999px; font-size: .75rem; }
.hero h1 { max-width: 36rem; font-size: 1.9rem; font-weight: 700; line-height: 1.15; margin: 1rem 0; }
.hero h1 .accent { color: #86e3c6; }
@media (min-width: 640px) { .hero h1 { font-size: 3rem; } }
.hero p.lead { max-width: 28rem; color: #cbd5e1; }

/* Search bar */
.search-card {
  background: #fff; border-radius: 1rem; padding: 1rem; margin-top: 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.15);
}
.search-grid { display: grid; grid-template-columns: 1fr; gap: .75rem; }
@media (min-width: 640px) { .search-grid { grid-template-columns: 1.2fr 1fr 1fr auto; align-items: end; } }
.field label { display: block; font-size: .75rem; color: var(--ink-faint); margin-bottom: .35rem; }
.field select, .field input {
  height: 3rem; width: 100%; border: 1px solid var(--line); border-radius: .5rem; padding: 0 .75rem; font-size: 1rem;
}
.btn-primary { height: 3rem; border: none; border-radius: .5rem; background: var(--brand-500); color: #fff; font-weight: 600; padding: 0 1.5rem; cursor: pointer; }
.btn-primary:hover { background: var(--brand-600); }

/* Stats */
.stats { display: flex; gap: .75rem; overflow-x: auto; padding: 1.5rem 0 0; }
@media (min-width: 640px) { .stats { display: grid; grid-template-columns: repeat(3,1fr); } }
.stat-card { min-width: 10rem; flex-shrink: 0; border: 1px solid var(--line); border-radius: .75rem; padding: 1rem; }
.stat-card .value { font-size: 1.4rem; font-weight: 700; }
.stat-card .label { font-size: .75rem; color: var(--ink-faint); }

/* Section titles */
section.block { padding: 2.5rem 0; }
h2.section-title { font-size: 1.5rem; font-weight: 700; }
p.section-sub { color: var(--ink-faint); font-size: .9rem; margin-top: .25rem; }

/* Category grid */
.cat-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: .75rem; margin-top: 1.5rem; }
@media (min-width: 640px) { .cat-grid { grid-template-columns: repeat(3,1fr); } }
.cat-card { border: 1px solid var(--line); border-radius: .75rem; padding: 1rem; }
.cat-card:hover { border-color: var(--brand-500); }
.cat-card .icon { font-size: 1.5rem; }
.cat-card .name { font-weight: 600; margin-top: .5rem; }
.cat-card .sum { font-size: .75rem; color: var(--ink-faint); margin-top: .25rem; }
.cat-card.soon { opacity: .6; border-style: dashed; position: relative; }
.cat-card .soon-badge { position: absolute; top: .75rem; right: .75rem; background: #f1f5f9; color: var(--ink-faint); font-size: .65rem; padding: .1rem .5rem; border-radius: 999px; }

/* Product cards */
.product-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 1.5rem; }
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(3,1fr); } }
.product-card { border: 1px solid var(--line); border-radius: .75rem; padding: 1.25rem; display: flex; flex-direction: column; }
.product-card .bank { font-size: .75rem; color: var(--ink-faint); font-weight: 500; }
.product-card .name { font-weight: 600; margin-top: .1rem; }
.product-card .sum { font-size: .875rem; color: var(--ink-faint); margin-top: .25rem; }
.product-card .metric { display: flex; align-items: baseline; gap: .35rem; margin-top: .75rem; }
.product-card .metric .value { font-size: 1.25rem; font-weight: 700; color: var(--brand-600); }
.product-card .metric .label { font-size: .75rem; color: var(--ink-faint); }
.product-card .apply { margin-top: 1rem; background: var(--ink); color: #fff; text-align: center; padding: .65rem; border-radius: .5rem; font-weight: 600; font-size: .9rem; }
.product-card .apply:hover { background: var(--ink-soft); }

/* How it works */
.steps { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 2rem; }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(3,1fr); } }
.step { border: 1px solid var(--line); border-radius: .75rem; padding: 1.25rem; }
.step .n { font-size: 1.8rem; font-weight: 700; color: #e2e8f0; }
.step .title { font-weight: 600; margin-top: .5rem; }
.step .body { font-size: .875rem; color: var(--ink-faint); margin-top: .25rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: #f8fafc; padding: 2.5rem 0; }
.footer-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(4,1fr); } }
.footer-grid h4 { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); margin: 0 0 .75rem; }
.footer-grid a { display: block; font-size: .9rem; color: var(--ink-soft); margin-bottom: .5rem; }
.footer-note { font-size: .75rem; color: var(--ink-faint); margin-top: 2rem; }

/* Breadcrumb */
.breadcrumb { font-size: .75rem; color: var(--ink-faint); }
.breadcrumb a:hover { color: var(--brand-600); }

/* Geniş içerik (tablo vb.) mobilde sayfayı yatay kaydırmasın, sadece kendi içinde kaysın */
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Admin */
.admin-shell { max-width: 48rem; margin: 0 auto; padding: 2rem 1.25rem; }
.admin-card { border: 1px solid var(--line); border-radius: .5rem; padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.admin-table th { text-align: left; font-size: .7rem; text-transform: uppercase; color: var(--ink-faint); border-bottom: 1px solid var(--line); padding: .5rem; }
.admin-table td { padding: .55rem .5rem; border-bottom: 1px solid var(--line); }
.login-card { max-width: 24rem; margin: 4rem auto; border: 1px solid var(--line); border-radius: 1rem; padding: 2rem; }
.login-card input { height: 2.75rem; width: 100%; border: 1px solid var(--line); border-radius: .5rem; padding: 0 .75rem; font-size: 1rem; margin-top: .35rem; }
.login-card label { font-size: .8rem; color: var(--ink-faint); }
.login-card .field { margin-bottom: 1rem; }
.error-text { color: #b91c1c; font-size: .875rem; }