/* TanClick Payments - public + shared */
:root {
  --navy: #061a4d;
  --blue: #0b2f8a;
  --accent: #3d8bfd;
  --ink: #0f1b33;
  --muted: #5b6b86;
  --line: rgba(11, 47, 138, 0.14);
  --card: #ffffff;
  --ok: #0f7b4a;
  --err: #b42318;
  --radius: 16px;
  --shadow: 0 14px 40px rgba(6, 26, 77, 0.1);
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(180deg, #eef3fb 0%, #f7f9fc 45%, #eef2f8 100%);
  min-height: 100vh;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(247, 249, 252, 0.9);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.9rem 0; flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 0.75rem; color: inherit; text-decoration: none; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--blue), var(--navy)); color: #fff; font-weight: 700;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text small { color: var(--muted); font-size: 0.78rem; }
.site-nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.site-nav a { color: var(--ink); font-weight: 500; text-decoration: none; }
.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 0.45rem 0.7rem; }
.btn, button.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border: 0; cursor: pointer; background: linear-gradient(135deg, var(--blue), var(--navy));
  color: #fff !important; text-decoration: none !important; font-weight: 600;
  border-radius: 999px; padding: 0.85rem 1.35rem;
}
.btn-sm { padding: 0.55rem 1rem; font-size: 0.92rem; }
.btn-secondary { background: #fff; color: var(--blue) !important; border: 1px solid var(--line); }
.hero { padding: 3rem 0 1.5rem; display: grid; gap: 1rem; }
.hero h1 {
  font-family: var(--display); font-weight: 400; margin: 0; color: var(--navy);
  font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.08;
}
.hero p { margin: 0; max-width: 38rem; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.grid-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem; padding-bottom: 2.5rem;
}
.card-link {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem; box-shadow: var(--shadow); color: inherit; text-decoration: none;
}
.card-link h3 { margin: 0 0 0.4rem; color: var(--navy); }
.card-link p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.5rem; margin: 1.25rem 0 2.5rem;
}
.panel h1, .panel h2 { margin-top: 0; color: var(--navy); font-family: var(--display); font-weight: 400; }
.muted { color: var(--muted); }
.form-grid { display: grid; gap: 1rem; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label { display: grid; gap: 0.35rem; font-weight: 600; font-size: 0.92rem; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: 0.75rem 0.9rem; font: inherit; background: #fff;
}
.packages { display: grid; gap: 0.65rem; }
.package {
  display: flex; gap: 0.75rem; align-items: flex-start;
  border: 1px solid var(--line); border-radius: 12px; padding: 0.9rem; background: #fff; cursor: pointer;
}
.package:has(input:checked) { border-color: var(--blue); background: rgba(61,139,253,0.08); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.4rem; }
.price-preview {
  margin: 0; padding: 0.9rem 1rem; border-radius: 12px;
  background: rgba(11, 47, 138, 0.08); color: var(--navy); font-size: 1.05rem;
}
.flash { margin: 1rem 0 0; padding: 0.9rem 1rem; border-radius: 12px; font-weight: 500; }
.flash-ok { background: #e8f7ef; color: var(--ok); }
.flash-err { background: #fdecec; color: var(--err); }
.site-footer {
  border-top: 1px solid var(--line); background: rgba(255,255,255,0.6);
  padding: 2rem 0; margin-top: auto;
}
.footer-grid { display: grid; gap: 1rem; grid-template-columns: 2fr 1fr; }
.footer-grid p { margin: 0.25rem 0; color: var(--muted); }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; }
  .site-nav.open { display: flex; }
  .form-grid.two { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}