/* SignSwifly marketing site — brand system
   Ink #182430 · Seal teal #0E7D6E · Ground #FAFBFC · Slate #5A6B7C */

:root {
  --bg: #FAFBFC;
  --surface: #F0F4F6;
  --ink: #182430;
  --muted: #5A6B7C;
  --hairline: #DDE4EA;
  --accent: #0E7D6E;
  --accent-dark: #0A5F54;
  --accent-soft: #E2F0ED;
  --max: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: "Bricolage Grotesque", "IBM Plex Sans", Arial, sans-serif;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0 0 14px;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 14px; }
a { color: var(--accent); }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
}
.logo img { display: block; height: 34px; width: auto; }
.nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid var(--accent);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-ghost { color: var(--accent); background: transparent; }
.btn-ghost:hover { background: var(--accent-soft); }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Hero */
.hero { padding-block: 72px 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.hero .kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.hero p.sub { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.hero .fine { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }

/* Signing card illustration */
.sign-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  box-shadow: 0 18px 44px rgba(24, 36, 48, 0.10);
  padding: 26px 28px;
}
.sign-card .doc-line { height: 9px; border-radius: 5px; background: var(--surface); margin-bottom: 12px; }
.sign-card .doc-line.short { width: 62%; }
.sign-field {
  border: 1.5px dashed var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.sign-field .sig {
  font-family: "Caveat", cursive;
  font-size: 1.7rem;
  color: var(--accent-dark);
  line-height: 1;
}
.sign-field .tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  white-space: nowrap;
}
.sealed {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--muted);
}
.sealed .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none; }

/* Trust bar */
.trust {
  border-block: 1px solid var(--hairline);
  background: var(--surface);
  padding-block: 14px;
}
.trust .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* Sections */
section.block { padding-block: 64px; }
section.block.alt { background: var(--surface); }
.section-head { max-width: 46em; margin-bottom: 36px; }
.section-head .eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-head p { color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step { border-top: 3px solid var(--accent); padding-top: 16px; }
.step::before {
  counter-increment: step;
  content: "Step " counter(step);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}
.step p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 22px 24px;
}
.feature h3 { margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 0.95rem; margin: 0; }
.feature .glyph { color: var(--accent); margin-bottom: 12px; }
.feature .glyph svg { display: block; }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.plan {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.plan.popular { border: 2px solid var(--accent); position: relative; }
.plan.popular .flag {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--accent);
  color: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
}
.plan .price { font-family: "Bricolage Grotesque", sans-serif; font-size: 2.1rem; font-weight: 700; }
.plan .price small { font-size: 0.9rem; font-weight: 400; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 14px 0 20px; flex: 1; }
.plan li { padding: 5px 0 5px 24px; position: relative; font-size: 0.93rem; color: var(--muted); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.plan .btn { text-align: center; }

/* Comparison / generic tables */
.table-scroll { overflow-x: auto; }
table.compare { border-collapse: collapse; width: 100%; font-size: 0.94rem; background: #fff; border: 1px solid var(--hairline); border-radius: 12px; }
.compare th, .compare td { padding: 12px 16px; border-bottom: 1px solid var(--hairline); text-align: left; }
.compare th { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.compare td.num { font-family: "IBM Plex Mono", monospace; font-variant-numeric: tabular-nums; }

/* Evidence list (security page) */
.evidence { display: grid; gap: 18px; }
.evidence .item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px 22px;
}
.evidence .n {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 500;
  padding-top: 2px;
}
.evidence p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* FAQ */
details {
  border-bottom: 1px solid var(--hairline);
  padding: 14px 0;
}
details summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; padding-block: 56px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #B8C4CF; max-width: 38em; }
.cta-band .btn-primary { border-color: var(--accent); }

/* Footer */
.site-footer { border-top: 1px solid var(--hairline); padding-block: 36px; color: var(--muted); font-size: 0.88rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 20px 48px; justify-content: space-between; }
.site-footer a { color: var(--muted); }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .steps, .features { grid-template-columns: 1fr; }
  .plans { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .plans { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn { transition: background 0.15s ease, border-color 0.15s ease; }
}