/* ============================================================
   PDFWix — GitHub Pages
   Palette and type are derived from the PDFWix brand:
   the signature red, soft blush tints, and a mono accent that
   nods to the "runs in your browser" nature of the tools.
   ============================================================ */

:root {
  --ink:      #1b1614;
  --red:      #e8443c;
  --red-dark: #c2332c;
  --blush:    #fff4f2;
  --paper:    #fdfbfa;
  --card:     #ffffff;
  --muted:    #6c645f;
  --line:     #f0e7e3;

  --display: 'Space Grotesk', system-ui, sans-serif;
  --body:    'Inter', system-ui, sans-serif;
  --mono:    'Space Mono', ui-monospace, monospace;

  --maxw: 1080px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0; letter-spacing: -0.02em; }

a { color: var(--red); text-decoration: none; }
a:hover { color: var(--red-dark); }

img { max-width: 100%; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Header ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 0 auto; padding: 22px 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { display: block; height: 34px; width: auto; }
.brand-logo.small { height: 22px; margin-right: 7px; vertical-align: middle; }
.brand-mark { font-family: var(--display); font-weight: 700; font-size: 24px; color: var(--ink); letter-spacing: -0.03em; }
.brand-mark.small { font-size: 19px; display: inline-flex; align-items: center; }
.brand-accent { color: var(--red); }
.header-cta {
  font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink);
  border: 1.5px solid var(--ink); padding: 9px 16px; border-radius: 999px; transition: all .18s ease;
}
.header-cta:hover { background: var(--ink); color: #fff; }

/* ---------- Shared section ---------- */
.band { max-width: var(--maxw); margin: 0 auto; padding: 72px 24px; }
.band-tint { max-width: none; background: var(--blush); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-tint > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.band-head { max-width: 720px; margin-bottom: 44px; }
.band-head h2 { font-size: clamp(28px, 4vw, 40px); margin-top: 6px; }
.band-sub { color: var(--muted); margin-top: 14px; font-size: 17px; }

.eyebrow {
  font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--red);
  letter-spacing: 0.02em; margin: 0; text-transform: lowercase;
}

.prose { max-width: 720px; }
.prose p { font-size: 17px; color: #3a332f; margin: 0 0 18px; }
.prose p:last-child { margin-bottom: 0; }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto; padding: 56px 24px 80px;
}
.hero h1 {
  font-size: clamp(38px, 7vw, 72px); font-weight: 700; margin: 16px 0 0;
}
.hero .hl { color: var(--red); }
.hero .lede {
  max-width: 600px; font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); margin: 24px 0 0;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn {
  display: inline-block; font-family: var(--display); font-weight: 600; font-size: 16px;
  padding: 14px 26px; border-radius: 999px; transition: transform .15s ease, background .18s ease, color .18s ease;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); color: #fff; transform: translateY(-2px); }
.btn-ghost { color: var(--ink); border: 1.5px solid var(--line); background: var(--card); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--red); }
.btn-light:hover { background: #fff; color: var(--red-dark); transform: translateY(-2px); }

.hero-badges {
  list-style: none; padding: 0; margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 10px 14px;
}
.hero-badges li {
  font-family: var(--mono); font-size: 13px; color: var(--ink);
  background: var(--blush); border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px;
}
.hero-badges li::before { content: "✓ "; color: var(--red); font-weight: 700; }

/* ---------- Tools grid ---------- */
.tool-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.tool-card {
  display: flex; flex-direction: column; background: var(--card); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.tool-card:hover {
  transform: translateY(-4px); color: var(--ink);
  border-color: #f3cfca; box-shadow: 0 14px 30px -16px rgba(226, 51, 44, .35);
}
.tool-card h3 { font-size: 19px; margin-bottom: 8px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 14.5px; flex: 1; }
.tool-go {
  font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--red); margin-top: 16px;
}

/* ---------- Why / features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 36px; }
.feature h3 { font-size: 19px; margin-bottom: 8px; padding-left: 16px; position: relative; }
.feature h3::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 4px; height: 18px;
  background: var(--red); border-radius: 2px;
}
.feature p { margin: 0; color: var(--muted); font-size: 15px; padding-left: 16px; }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: none; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.step-num { font-family: var(--mono); font-weight: 700; font-size: 14px; color: var(--red); }
.steps h3 { font-size: 20px; margin: 12px 0 8px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq details {
  border: 1px solid var(--line); border-radius: 12px; padding: 4px 20px; margin-bottom: 12px; background: var(--card);
}
.faq summary {
  font-family: var(--display); font-weight: 600; font-size: 17px; cursor: pointer; padding: 16px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-size: 22px; font-family: var(--mono); line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 18px; color: var(--muted); font-size: 15.5px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--red); color: #fff; text-align: center; padding: 76px 24px;
}
.cta-band h2 { font-size: clamp(28px, 4vw, 40px); }
.cta-band p { font-size: 18px; margin: 14px 0 30px; opacity: .95; }

/* ---------- Footer ---------- */
.site-footer { max-width: var(--maxw); margin: 0 auto; padding: 44px 24px 56px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-nav a { font-family: var(--mono); font-size: 13px; color: var(--ink); }
.footer-nav a:hover { color: var(--red); }
.footer-note { color: var(--muted); font-size: 13.5px; margin-top: 20px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Focus visibility ---------- */
a:focus-visible, .btn:focus-visible, summary:focus-visible {
  outline: 3px solid var(--red); outline-offset: 3px; border-radius: 4px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .band { padding: 56px 20px; }
  .tool-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: 40px 20px 64px; }
  .header-cta { display: none; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .tool-card:hover { transform: none; }
}