/* ===== Design tokens ===== */
:root {
  --paper: #eeece0;
  --paper-deep: #e3e0cf;
  --ink: #1f2a44;
  --ink-soft: #3a4664;
  --seal: #9c2b24;
  --seal-soft: #b9564c;
  --line: #c6bfa8;
  --charcoal: #2a2822;
  --charcoal-soft: #5a574c;
  --success: #3d6b4f;

  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 3px;
  --maxw: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* subtle paper texture via layered gradients */
body {
  background-image:
    repeating-linear-gradient(0deg, rgba(31,42,68,0.02) 0px, rgba(31,42,68,0.02) 1px, transparent 1px, transparent 34px);
}

a { color: var(--ink); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); line-height: 1.08; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1.2; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / nav ===== */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--seal);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-top: 2px;
}
nav.main-nav { display: flex; gap: 28px; align-items: center; }
nav.main-nav a {
  text-decoration: none;
  color: var(--charcoal-soft);
  font-size: 0.94rem;
}
nav.main-nav a:hover { color: var(--ink); }
nav.main-nav a.cta {
  color: var(--paper);
  background: var(--ink);
  padding: 9px 18px;
  border-radius: var(--radius);
}
nav.main-nav a.cta:hover { background: var(--seal); }
nav.main-nav a.whatsapp {
  color: var(--success);
  font-weight: 500;
}
nav.main-nav a.whatsapp:hover { color: var(--seal); }
.nav-toggle { display: none; }

/* ===== Hero ===== */
.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--seal);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--charcoal-soft);
  max-width: 46ch;
}
.hero-ctas { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 500;
  padding: 13px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--seal); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { border-color: var(--seal); color: var(--seal); }

/* ===== Stamp signature ===== */
.stamp {
  width: 190px;
  height: 190px;
  margin: 0 auto;
  transform: rotate(-9deg);
  color: var(--seal);
}
.stamp text { font-family: var(--font-mono); fill: var(--seal); }
.stamp circle, .stamp path { stroke: var(--seal); }

/* ===== Trust bar ===== */
.trust-bar {
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}
.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 40px;
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* ===== Sections ===== */
section { padding: 64px 0; }
section.tight { padding: 48px 0; }
.section-head { margin-bottom: 40px; }
.section-head .eyebrow { margin-bottom: 8px; }

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step .num {
  font-family: var(--font-mono);
  color: var(--seal);
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--charcoal-soft); font-size: 0.96rem; }

/* ===== Cards / grid ===== */
.doc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.doc-card { background: var(--paper); padding: 24px; }
.doc-card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.doc-card p { color: var(--charcoal-soft); font-size: 0.92rem; margin: 0; }

/* ===== Pricing table ===== */
table.pricing { width: 100%; border-collapse: collapse; margin: 24px 0; }
table.pricing th, table.pricing td { text-align: left; padding: 16px 12px; border-bottom: 1px solid var(--line); }
table.pricing th { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--charcoal-soft); font-weight: 500; }
table.pricing td.price { font-family: var(--font-mono); color: var(--seal); font-weight: 500; white-space: nowrap; }
table.pricing td.dir { color: var(--charcoal-soft); font-size: 0.9rem; }

.formula-box {
  border: 1px dashed var(--line);
  background: var(--paper-deep);
  padding: 20px 24px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 20px 0;
}
.formula-box .example { color: var(--charcoal-soft); margin-top: 10px; font-size: 0.85rem; }

/* ===== Form ===== */
form.request-form { max-width: 620px; }
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.field .hint { font-size: 0.8rem; color: var(--charcoal-soft); margin-top: 4px; }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--charcoal);
}
.field textarea { min-height: 100px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.upload-box {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  background: var(--paper-deep);
  cursor: pointer;
}
.upload-box.dragover { border-color: var(--seal); background: #e6d9d5; }
.upload-box .file-name { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink); margin-top: 8px; }
.upload-box input[type="file"] { display: none; }

.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--charcoal-soft); }
.consent input { margin-top: 4px; }

.notice-box {
  border-left: 3px solid var(--seal);
  padding: 14px 18px;
  background: var(--paper-deep);
  font-size: 0.92rem;
  color: var(--charcoal-soft);
  margin: 24px 0;
}

.form-status { margin-top: 16px; font-size: 0.92rem; }
.form-status.ok { color: var(--success); }
.form-status.err { color: var(--seal); }

/* ===== Footer ===== */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  margin-top: 40px;
}
footer.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--charcoal-soft);
}
footer.site-footer a { color: var(--charcoal-soft); }
footer.site-footer .foot-links { display: flex; gap: 20px; }

/* ===== Privacy page prose ===== */
.prose h2 { margin-top: 2em; }
.prose ul { padding-left: 1.2em; color: var(--charcoal-soft); }
.prose li { margin-bottom: 0.5em; }

/* ===== FAQ accordion ===== */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
}
.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  padding: 16px 4px;
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  color: var(--seal);
  font-family: var(--font-mono);
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item .faq-answer {
  padding: 0 4px 18px;
  color: var(--charcoal-soft);
  font-size: 0.96rem;
  max-width: 68ch;
}

/* ===== WhatsApp inline callout ===== */
.whatsapp-callout {
  border: 1px solid var(--line);
  background: var(--paper-deep);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin: 24px 0;
}
.whatsapp-callout p { margin: 0; color: var(--charcoal-soft); font-size: 0.92rem; }
.whatsapp-callout a.btn { background: var(--success); color: var(--paper); border-color: var(--success); white-space: nowrap; }
.whatsapp-callout a.btn:hover { background: var(--seal); border-color: var(--seal); }

/* ===== Responsive ===== */
@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stamp { width: 140px; height: 140px; order: -1; }
  .steps { grid-template-columns: 1fr; }
  .doc-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  nav.main-nav { gap: 16px; }
  nav.main-nav a:not(.cta):not(.whatsapp) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}