:root {
  --ink: #1C1B19;
  --stone: #EDEAE4;
  --stone-2: #E2DFD5;
  --stone-3: #D8D4C7;
  --ash: #6B655B;
  --ash-light: #8B8578;
  --ember: #8B4632;
  --ember-light: #A9603F;
  --pine: #3E4A3B;
  --brass: #A9895A;
  --line: #C9C3B5;
  --paper: #F7F5F0;
  --max-w: 980px;
}

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

body {
  background: var(--stone);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--ember); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.15;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
.mono { font-family: 'IBM Plex Mono', monospace; }

/* ============ RIDGE MOTIF (signature element) ============ */
.ridge-line {
  width: 100%;
  height: 28px;
  display: block;
}
.ridge-line path {
  fill: none;
  stroke: var(--ember);
  stroke-width: 1.5;
  opacity: 0.55;
}

/* ============ HEADER / NAV ============ */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(237,234,228,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-mark {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.nav-mark span { color: var(--ember); }

nav.nav-links {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

nav.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ash);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
nav.nav-links a:hover,
nav.nav-links a.active {
  color: var(--ink);
  border-color: var(--ember);
}

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-inner { flex-wrap: wrap; gap: 10px; padding: 16px 24px; }
  nav.nav-links { gap: 16px 20px; width: 100%; }
}

/* ============ HERO (home page) ============ */
.hero {
  padding: 90px 0 70px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 760px) { .hero-grid { grid-template-columns: 1fr; gap: 36px; } }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.hero h1 em { font-style: italic; color: var(--ember); font-weight: 500; }

.hero-quote {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 19px;
  color: var(--ash);
  border-left: 3px solid var(--ember);
  padding-left: 20px;
  margin: 24px 0;
  max-width: 520px;
}
.hero-quote cite {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-style: normal;
  font-size: 12px;
  color: var(--ash-light);
  margin-top: 10px;
}

.hero-photo {
  width: 100%;
  aspect-ratio: 4/5;
  background: repeating-linear-gradient(135deg, var(--stone-2), var(--stone-2) 10px, var(--stone-3) 10px, var(--stone-3) 11px);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-photo span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ash-light);
  background: var(--paper);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--ink);
  padding: 13px 24px;
  border-radius: 4px;
  text-decoration: none;
  margin-top: 8px;
  transition: background 0.2s;
}
.btn:hover { background: var(--ember); text-decoration: none; }
.btn-outline {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

/* ============ NAV CARD GRID (home) ============ */
.section-block { padding: 80px 0; border-bottom: 1px solid var(--line); }
.section-block:last-of-type { border-bottom: none; }

.section-heading {
  font-size: clamp(26px, 3.5vw, 36px);
  margin-bottom: 12px;
}
.section-lede {
  color: var(--ash);
  font-size: 17px;
  max-width: 620px;
  margin-bottom: 44px;
}

.card-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.card-nav {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px 26px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}
.card-nav:hover { border-color: var(--ember); transform: translateY(-2px); text-decoration: none; }

.card-nav .card-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ash-light);
  margin-bottom: 14px;
}
.card-nav h3 { font-size: 20px; color: var(--ink); margin-bottom: 10px; }
.card-nav p { font-size: 14.5px; color: var(--ash); margin-bottom: 14px; }
.card-nav .card-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--ember);
}

/* ============ QUOTE / TESTIMONIAL CARDS ============ */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.quote-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ember);
  border-radius: 4px;
  padding: 24px 24px;
}
.quote-card p {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.55;
}
.quote-card .quote-src {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ash-light);
}

/* ============ PAGE HEADER (inner pages) ============ */
.page-header { padding: 60px 0 40px; border-bottom: 1px solid var(--line); }
.page-header h1 { font-size: clamp(32px, 5vw, 48px); margin-bottom: 14px; }
.page-header .lede {
  font-size: 18px;
  color: var(--ash);
  max-width: 680px;
  font-family: 'Fraunces', serif;
  font-style: italic;
}

/* ============ PROSE ============ */
.prose p { color: var(--ash); max-width: 700px; margin-bottom: 20px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose h3 { font-size: 23px; margin: 44px 0 16px; }

blockquote {
  font-family: 'Fraunces', serif;
  font-size: clamp(20px, 2.6vw, 26px);
  font-style: italic;
  color: var(--ink);
  line-height: 1.45;
  max-width: 680px;
  margin: 40px 0;
  padding-left: 24px;
  border-left: 3px solid var(--ember);
}
blockquote cite {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  font-style: normal;
  color: var(--ash-light);
  margin-top: 12px;
}

.photo-frame {
  width: 100%;
  aspect-ratio: 16/10;
  background: repeating-linear-gradient(135deg, var(--stone-2), var(--stone-2) 10px, var(--stone-3) 10px, var(--stone-3) 11px);
  border: 1px solid var(--line);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 28px 0;
}
.photo-frame.small { aspect-ratio: 4/3; }
.photo-frame span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ash-light);
  background: var(--paper);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
}
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
@media (max-width: 600px) { .photo-grid { grid-template-columns: 1fr; } }

/* ============ TIMELINE ============ */
.timeline { margin-top: 32px; max-width: 720px; }
.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.timeline-item:first-child { border-top: none; }
.timeline-year { font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--ember); padding-top: 3px; }
.timeline-content h4 { font-size: 18px; margin-bottom: 6px; }
.timeline-content p { font-size: 15.5px; color: var(--ash); margin-bottom: 0; max-width: none; }

/* ============ CARDS (project lanes, etc) ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 32px 0;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 22px;
}
.card .card-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 10px;
}
.card h4 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--ash); margin-bottom: 0; max-width: none; }

/* ============ REFERENCE LIST ============ */
.ref-list { max-width: 720px; margin-top: 8px; }
.ref-item { padding: 20px 0; border-top: 1px solid var(--line); }
.ref-item:first-child { border-top: none; }
.ref-item h4 { font-size: 17px; margin-bottom: 6px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.ref-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--pine); background: rgba(62,74,59,0.08);
  padding: 3px 8px; border-radius: 3px; font-weight: 500;
}
.ref-item p { font-size: 15.5px; color: var(--ash); margin-bottom: 0; max-width: none; }

/* ============ COMPETENCY GRID ============ */
.comp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 32px 0;
}
@media (max-width: 700px) { .comp-grid { grid-template-columns: 1fr; } }
.comp-cell { background: var(--paper); padding: 26px 24px; }
.comp-cell .comp-num { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ash-light); margin-bottom: 10px; }
.comp-cell h4 { font-size: 17px; margin-bottom: 10px; }
.comp-cell p { font-size: 14.5px; color: var(--ash); margin-bottom: 0; max-width: none; }

/* ============ DOWNLOADS ============ */
.dl-list { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); max-width: 620px; margin-top: 26px; }
.dl-item {
  background: var(--paper); padding: 17px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  text-decoration: none; transition: background 0.15s;
}
.dl-item:hover { background: var(--stone-2); text-decoration: none; }
.dl-item .dl-name { font-family: 'Inter', sans-serif; font-size: 15px; color: var(--ink); font-weight: 500; }
.dl-item .dl-desc { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ash-light); margin-top: 2px; }
.dl-item .dl-arrow { font-size: 18px; color: var(--ember); flex-shrink: 0; }

/* ============ CERT TAGS ============ */
.cert-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 8px; }
.cert-tag {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--pine);
  background: rgba(62,74,59,0.07); border: 1px solid rgba(62,74,59,0.15);
  padding: 5px 12px; border-radius: 20px;
}

/* ============ CONTACT PAGE ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 20px;
}
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-item {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.contact-item .contact-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ash-light); margin-bottom: 8px;
}
.contact-item a, .contact-item span {
  font-size: 18px; color: var(--ink); font-family: 'Fraunces', serif;
}

/* ============ FOOTER ============ */
footer.site-footer {
  padding: 44px 32px;
  border-top: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ash-light);
  text-align: center;
}
footer.site-footer a { color: var(--ash-light); }

/* ============ REVEAL ============ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }