/* ───────────────────────────────────────────
   netfee.io — Shared Design System
   Used by all pages. Edit once, updates everywhere.
   ─────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white: #ffffff;
  --paper: #fafaf9;
  --gray-50: #f5f5f4;
  --gray-100: #e7e5e4;
  --gray-200: #d6d3d1;
  --gray-300: #a8a29e;
  --gray-400: #78716c;
  --gray-500: #57534e;
  --gray-600: #44403c;
  --gray-700: #292524;
  --gray-900: #0c0a09;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-light: #ccfbf1;
  --warn: #b45309;
  --danger: #b91c1c;
  --success: #15803d;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--gray-700);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--gray-900); line-height: 1.2; font-weight: 600; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.015em; margin-bottom: 1rem; scroll-margin-top: 80px; }
h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; max-width: 68ch; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
strong { color: var(--gray-900); font-weight: 600; }
code, .mono { font-family: var(--font-mono); font-size: 0.9em; background: var(--gray-50); padding: 0.1em 0.35em; border-radius: var(--radius-sm); }

ul { padding-left: 1.25rem; margin-bottom: 1rem; }
li { margin-bottom: 0.4rem; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 1.25rem; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-100);
}
nav .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700; color: var(--gray-900);
  font-size: 1.05rem; letter-spacing: -0.02em;
}
.nav-logo-mark {
  width: 24px; height: 24px;
  background: var(--accent);
  border-radius: 6px;
  position: relative;
}
.nav-logo-mark::after {
  content: ''; position: absolute; inset: 5px 6px;
  background: var(--white);
  border-radius: 2px;
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
  color: var(--gray-500); font-size: 0.875rem; font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--gray-900); text-decoration: none; }
.nav-links a.active { color: var(--gray-900); }

@media (max-width: 640px) {
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.8rem; }
}

/* ── Hero ── */
.hero { padding: 3rem 0 2.5rem; }
.hero h1 { margin-bottom: 0.75rem; }
.hero .lede { font-size: 1.125rem; color: var(--gray-500); max-width: 58ch; }
.hero .trust { font-size: 0.85rem; color: var(--gray-400); margin-top: 0.5rem; }
.hero .trust strong { color: var(--gray-600); }

/* ── Calculator ── */
.calc-wrap { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 2rem; }
@media (min-width: 860px) {
  .calc-wrap { grid-template-columns: 1fr 1fr; }
}

.calc-card, .quick-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03), 0 8px 24px rgba(0,0,0,0.04);
}
.calc-title {
  font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.input-group { margin-bottom: 1.25rem; }
.input-group label {
  display: block;
  font-size: 0.825rem; font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 0.4rem;
}
.input-wrap { position: relative; }
.input-wrap .prefix {
  position: absolute; left: 0.9rem; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400); font-weight: 500;
  pointer-events: none;
}
input[type=number], select, input[type=text], input[type=email] {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font: inherit;
  font-size: 1rem;
  background: var(--paper);
  color: var(--gray-900);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input[type=number] { padding-left: 2rem; font-variant-numeric: tabular-nums; }
input[type=number]:focus, select:focus, input[type=text]:focus, input[type=email]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2378716c' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
}

/* ── Results ── */
.results {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1rem;
}
.result-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.35rem 0;
  font-size: 0.95rem;
}
.result-row span { color: var(--gray-500); }
.result-row strong { color: var(--gray-900); font-variant-numeric: tabular-nums; }
.result-row.total {
  border-top: 1px solid var(--gray-200);
  margin-top: 0.5rem;
  padding-top: 0.85rem;
  font-size: 1.05rem;
}
.result-row.total strong { color: var(--accent); font-weight: 700; font-size: 1.35rem; }
.rate-note {
  margin-top: 1rem;
  font-size: 0.775rem;
  color: var(--gray-400);
  font-family: var(--font-mono);
}

/* ── Quick Reference Table ── */
.quick-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.quick-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--gray-400); font-weight: 600;
  border-bottom: 1px solid var(--gray-100);
}
.quick-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--gray-50);
  font-variant-numeric: tabular-nums;
}
.quick-table tbody tr:last-child td { border-bottom: none; }
.quick-table td.net { color: var(--accent); font-weight: 600; }

/* ── Content Sections ── */
section.content { padding: 3.5rem 0; }
section.content:not(:last-child) { border-bottom: 1px solid var(--gray-100); }
section.content h2 { margin-bottom: 1.5rem; }
section.content .prose { max-width: 68ch; }
section.content ul { margin: 1rem 0 1rem 1.25rem; }
section.content li { margin-bottom: 0.5rem; }

/* ── Rates Table ── */
.rates-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 1.5rem 0;
  font-size: 0.925rem;
}
.rates-table th {
  background: var(--gray-50);
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--gray-500); font-weight: 600;
}
.rates-table td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--gray-50);
  font-variant-numeric: tabular-nums;
  vertical-align: top;
}
.rates-table tr:hover td { background: var(--gray-50); }
.rates-table .rate { font-family: var(--font-mono); font-size: 0.875rem; }
.rates-table td.winner { background: #ecfdf5; color: var(--success); font-weight: 600; }
.rates-table td.winner .rate { color: var(--success); }

/* ── Callout ── */
.callout {
  background: #fffbeb;
  border-left: 3px solid var(--warn);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin: 1.25rem 0;
  font-size: 0.925rem;
}
.callout strong { color: var(--warn); }
.callout.info { background: #eff6ff; border-left-color: #1d4ed8; }
.callout.info strong { color: #1d4ed8; }

/* ── Comparison Grid ── */
.compare-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 1.5rem;
}
.compare-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: border-color 0.15s, transform 0.15s;
  display: block;
}
.compare-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}
.compare-card h3 { margin-bottom: 0.25rem; }
.compare-card .rate-line { font-family: var(--font-mono); font-size: 0.85rem; color: var(--gray-500); margin-bottom: 0.5rem; }
.compare-card span.link { font-size: 0.875rem; font-weight: 500; color: var(--accent); }
.compare-card.soon { opacity: 0.6; pointer-events: none; }
.compare-card.soon span.link { color: var(--gray-400); }
.compare-card.current { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-light), var(--white) 40%); }

/* ── Ad Slots ── */
.ad-slot {
  max-width: 728px;
  margin: 2.5rem auto;
  min-height: 90px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-50);
  border: 1px dashed var(--gray-200);
  border-radius: var(--radius);
  color: var(--gray-400);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1rem;
}
.ad-slot::before { content: 'Ad slot — '; }
.ad-slot[data-slot]::after { content: attr(data-slot); }

/* ── Affiliate CTA block ── */
.cta-block {
  background: linear-gradient(135deg, var(--accent-light), var(--white));
  border: 1px solid var(--accent-light);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  margin: 2rem 0;
  text-align: center;
}
.cta-block h3 { color: var(--gray-900); margin-bottom: 0.5rem; font-size: 1.25rem; }
.cta-block .cta-lede { color: var(--gray-600); margin: 0 auto 1.5rem; max-width: 52ch; font-size: 0.95rem; }
.cta-buttons {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.6rem;
}
.cta-btn {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  background: var(--accent);
  color: var(--white) !important;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s, transform 0.1s;
}
.cta-btn:hover { background: var(--accent-hover); text-decoration: none; transform: translateY(-1px); }
.cta-btn.secondary {
  background: var(--white); color: var(--gray-700) !important;
  border: 1px solid var(--gray-200);
}
.cta-btn.secondary:hover { background: var(--gray-50); color: var(--gray-900) !important; border-color: var(--gray-300); }
.cta-disclosure {
  font-size: 0.75rem; color: var(--gray-400);
  margin-top: 1rem;
  font-family: var(--font-mono);
}

/* ── FAQ ── */
details.faq {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}
details.faq summary {
  padding: 1rem 1.25rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--gray-900);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: '+';
  color: var(--gray-400);
  font-size: 1.25rem; font-weight: 400;
  transition: transform 0.15s;
}
details.faq[open] summary::after { content: '−'; }
details.faq .answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--gray-500);
  font-size: 0.95rem;
}

/* ── Page body (for simple legal/utility pages) ── */
.page-body { padding: 3rem 0 4rem; }
.meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Contact card ── */
.contact-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03), 0 8px 24px rgba(0,0,0,0.04);
}
.contact-card .email {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 500;
}
.contact-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.contact-list li { padding: 0.35rem 0; color: var(--gray-500); font-size: 0.95rem; }
.contact-list li strong { color: var(--gray-900); }

/* ── Comparison (3-column stacked) ── */
.compare-results {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1rem;
}
.compare-row {
  display: grid; grid-template-columns: 1fr auto auto;
  gap: 1rem; align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-50);
}
.compare-row:last-child { border-bottom: none; }
.compare-row .processor { font-weight: 600; color: var(--gray-900); }
.compare-row .fee { color: var(--gray-500); font-variant-numeric: tabular-nums; }
.compare-row .net { color: var(--accent); font-weight: 700; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.compare-row.winner { background: #ecfdf5; padding-left: 0.75rem; padding-right: 0.75rem; border-radius: var(--radius); }
.compare-row.winner .processor::after { content: ' 🏆'; font-size: 0.75em; }

/* ── Footer ── */
footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
  font-size: 0.875rem;
}
footer .container {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  footer .container { grid-template-columns: 1.5fr 1fr 1fr; }
}
footer h4 {
  color: var(--white);
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
footer a { color: var(--gray-300); display: block; padding: 0.2rem 0; }
footer a:hover { color: var(--white); text-decoration: none; }
footer .brand-line {
  color: var(--gray-400);
  line-height: 1.5;
  max-width: 32ch;
}
footer .brand-line strong { color: var(--white); }
footer .legal {
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--gray-400);
  font-size: 0.775rem;
}
footer .legal a { display: inline; color: var(--gray-300); }

/* ── Home: feature cards ── */
.home-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 2.5rem;
}
.home-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all 0.15s;
  display: block;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}
.home-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  text-decoration: none;
}
.home-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.home-card h3 { font-size: 1.15rem; margin-bottom: 0.35rem; color: var(--gray-900); }
.home-card .rate-line { font-family: var(--font-mono); font-size: 0.875rem; color: var(--gray-500); }
.home-card .arrow { color: var(--accent); font-size: 0.9rem; margin-top: 0.75rem; display: inline-block; font-weight: 500; }

/* ── Trust band (home) ── */
.trust-band {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin: 2.5rem 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.trust-band .item h4 {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--gray-400); margin-bottom: 0.35rem;
}
.trust-band .item p {
  font-size: 0.9rem; color: var(--gray-700); margin: 0; max-width: none;
}