/* ========================================================
   SYNCIPR — Design System
   A patent-drawing vernacular: technical line art, reference
   numerals, filing terminology, brass/verdigris seal accents.
   ======================================================== */

:root {
  --paper: #EDEEE8;
  --paper-2: #E5E6DE;
  --ink: #161C2A;
  --ink-soft: #4A5063;
  --navy: #1C2B4A;
  --navy-2: #263A61;
  --brass: #A9812E;
  --brass-light: #C9A75A;
  --verdigris: #4B6E63;
  --line: #CBC8B9;
  --line-strong: #9E9C8E;
  --white: #FAFAF6;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --max-w: 1180px;
  --pad: clamp(20px, 5vw, 64px);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--navy);
  line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }

p { color: var(--ink-soft); max-width: 62ch; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

.field-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Header / Nav ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(237, 238, 232, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.logo .mark {
  color: var(--brass);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}

nav.links {
  display: flex;
  gap: 32px;
  align-items: center;
}

nav.links a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

nav.links a:hover, nav.links a.active { color: var(--navy); }

nav.links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--brass);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 22px;
  border: 1px solid var(--navy);
  color: var(--navy);
  background: transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn:hover { background: var(--navy); color: var(--white); }

.btn.primary {
  background: var(--navy);
  color: var(--white);
}

.btn.primary:hover { background: var(--brass); border-color: var(--brass); color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--navy); }

/* ---------- Hero ---------- */

.hero {
  padding: 90px 0 70px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 { margin-bottom: 22px; }

.hero .lede { font-size: 1.1rem; margin-bottom: 34px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-figure { position: relative; }

.fig-caption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 10px;
  letter-spacing: 0.06em;
}

/* ---------- Trust strip ---------- */

.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.trust-item { display: flex; gap: 14px; align-items: flex-start; }

.trust-item .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brass);
  padding-top: 3px;
}

.trust-item p { font-size: 0.92rem; color: var(--ink); max-width: 32ch; }

/* ---------- Section shell ---------- */

section { padding: 90px 0; }
section.tight { padding: 60px 0; }

.section-head { max-width: 640px; margin-bottom: 56px; }

/* ---------- Service cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--paper);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.25s ease;
}

.card:hover { background: var(--white); }

.card .field-label { color: var(--brass); }

.card h3 { margin-top: 4px; }

.card p { font-size: 0.94rem; }

.card .learn {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--navy);
  letter-spacing: 0.05em;
  padding-top: 14px;
}

/* ---------- Process (patent reference-numeral steps) ---------- */

.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.process-step {
  padding: 34px 26px 34px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.process-step + .process-step { border-left: 1px solid var(--line); padding-left: 26px; }

.process-step .refnum {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--verdigris);
  display: block;
  margin-bottom: 12px;
}

.process-step h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.process-step p { font-size: 0.88rem; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.cta-band h2 { color: var(--white); margin-bottom: 18px; }
.cta-band p { color: #C7CDDB; margin: 0 auto 34px; }

.cta-band .btn { border-color: var(--white); color: var(--white); }
.cta-band .btn:hover { background: var(--brass); border-color: var(--brass); color: var(--ink); }

/* ---------- Document-style meta block ---------- */

.doc-meta {
  border: 1px solid var(--line-strong);
  padding: 26px 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 30px;
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.doc-meta div span.k { display: block; color: var(--ink-soft); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px; }
.doc-meta div span.v { color: var(--navy); }

/* ---------- Content page layout (Patent / Design) ---------- */

.content-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
}

.side-nav {
  position: sticky;
  top: 100px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--line);
  padding-left: 18px;
}

.side-nav a {
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 8px 0;
}

.side-nav a:hover, .side-nav a.active { color: var(--navy); font-weight: 500; }

.prose h2 { margin-top: 52px; margin-bottom: 18px; }
.prose h2:first-child { margin-top: 0; }
.prose p { max-width: 68ch; margin-bottom: 16px; color: var(--ink-soft); }
.prose ul { margin: 16px 0 16px 22px; max-width: 66ch; }
.prose li { margin-bottom: 10px; color: var(--ink-soft); }
.prose strong { color: var(--ink); }

.callout {
  border-left: 3px solid var(--brass);
  background: var(--white);
  padding: 20px 24px;
  margin: 28px 0;
  max-width: 66ch;
}
.callout p { margin: 0; font-size: 0.92rem; }
.callout .field-label { color: var(--brass); margin-bottom: 8px; display: block; }

/* ---------- Team / About ---------- */

.about-lede { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: start; }

.value-list { display: grid; gap: 28px; margin-top: 20px; }
.value-list .value { display: flex; gap: 20px; }
.value-list .refnum { font-family: var(--font-mono); font-size: 0.8rem; color: var(--verdigris); min-width: 46px; padding-top: 2px; }
.value-list h4 { font-size: 1.02rem; color: var(--navy); margin-bottom: 6px; }
.value-list p { font-size: 0.92rem; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.form-field { margin-bottom: 22px; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.form-field input, .form-field textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  padding: 10px 2px;
  transition: border-color 0.2s ease;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--brass);
}
.form-field textarea { resize: vertical; min-height: 110px; }

.contact-info .field-label { margin-bottom: 6px; }
.contact-info .item { margin-bottom: 32px; }
.contact-info a.big { font-family: var(--font-display); font-size: 1.4rem; color: var(--navy); }
.contact-info a.big:hover { color: var(--brass); }

/* ---------- Footer ---------- */

footer.site {
  border-top: 1px solid var(--line);
  padding: 50px 0 34px;
  margin-top: 40px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-brand .logo { margin-bottom: 10px; }
.footer-brand p { font-size: 0.85rem; max-width: 34ch; }

.footer-links { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-links .col { display: flex; flex-direction: column; gap: 10px; }
.footer-links .field-label { margin-bottom: 6px; }
.footer-links a { font-size: 0.88rem; color: var(--ink-soft); }
.footer-links a:hover { color: var(--navy); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  nav.links { display: none; }
  .nav-toggle { display: flex; }
  .hero { grid-template-columns: 1fr; padding-top: 50px; }
  .trust-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process-step + .process-step { border-left: none; padding-left: 0; }
  .content-grid { grid-template-columns: 1fr; }
  .side-nav { position: static; border-left: none; border-top: 2px solid var(--line); padding-left: 0; padding-top: 16px; flex-direction: row; flex-wrap: wrap; gap: 18px; }
  .about-lede { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .doc-meta { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
}

/* ---------- Mobile nav drawer ---------- */

.mobile-drawer {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 10px var(--pad) 26px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.mobile-drawer.open { display: flex; }
.mobile-drawer a { padding: 12px 0; font-size: 0.98rem; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.mobile-drawer a.active { color: var(--navy); font-weight: 500; }