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

:root {
  --bg:        #f5f3ef;
  --bg-2:      #eceae5;
  --bg-3:      #e4e1db;
  --border:    rgba(0,0,0,0.09);
  --accent:    #1A5C8A;
  --accent-hi: #1768a0;
  --text:      #1a1a1a;
  --text-dim:  #4a5060;
  --text-faint:#8a919e;
  --serif:     'Fraunces', Georgia, serif;
  --sans:      'IBM Plex Sans', system-ui, sans-serif;
  --mono:      'IBM Plex Mono', monospace;
  --max:       1060px;
  --gutter:    clamp(20px, 5vw, 64px);
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* noise */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  background: rgba(245,243,239,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--serif); font-size: 18px; font-weight: 400;
  color: var(--text); text-decoration: none; letter-spacing: 0.01em;
}
.nav-logo em { font-style: italic; color: var(--accent-hi); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 12.5px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-dim); text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-ham {
  display: none; background: none; border: 1px solid var(--border);
  border-radius: 3px; color: var(--text-dim); cursor: pointer;
  padding: 5px 10px; font-size: 18px; line-height: 1;
}

/* ── HERO ── */
#hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 140px var(--gutter) 100px;
  max-width: var(--max); margin: 0 auto; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,92,138,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,92,138,0.06) 1px, transparent 1px);
  background-size: 56px 56px; pointer-events: none;
}
.hero-glow {
  position: absolute; top: 5%; right: -8%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,92,138,0.08) 0%, transparent 68%);
  pointer-events: none; border-radius: 50%;
}
.hero-chip {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent-hi);
  border: 1px solid rgba(42,128,191,0.3);
  background: rgba(26,92,138,0.1);
  padding: 6px 14px; border-radius: 2px;
  margin-bottom: 28px; width: fit-content;
}
.hero-chip::before { content: '●'; font-size: 8px; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

h1.hero-name {
  font-family: var(--serif); font-size: clamp(50px, 8.5vw, 94px);
  font-weight: 300; line-height: 1.0; letter-spacing: -0.025em;
  color: var(--text); margin-bottom: 28px;
}
h1.hero-name em { font-style: italic; color: var(--accent-hi); }

.hero-statement {
  font-size: clamp(17px, 2.3vw, 21px); color: var(--text-dim);
  max-width: 600px; line-height: 1.7; font-weight: 300; margin-bottom: 14px;
}
.hero-statement strong { color: var(--text); font-weight: 400; }
.hero-sub {
  font-family: var(--mono); font-size: 12.5px; color: var(--text-faint);
  margin-bottom: 52px; letter-spacing: 0.03em;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; font-family: var(--sans); font-size: 13.5px;
  font-weight: 500; letter-spacing: 0.04em; text-decoration: none;
  border-radius: 3px; transition: all 0.2s; cursor: pointer; border: none;
}
.btn-solid { background: var(--accent); color: #fff; }
.btn-solid:hover { background: var(--accent-hi); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: rgba(26,92,138,0.06); }

.hero-scroll-hint {
  position: absolute; bottom: 40px; left: var(--gutter);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-faint);
  display: flex; align-items: center; gap: 10px;
}
.hero-scroll-hint::after {
  content: ''; display: block; width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
}

/* ── UTILITY ── */
.inner { max-width: var(--max); margin: 0 auto; }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-hi);
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.eyebrow::before { content: ''; display: block; width: 22px; height: 1px; background: var(--accent-hi); }
h2.section-head {
  font-family: var(--serif); font-size: clamp(30px, 4.5vw, 50px);
  font-weight: 300; line-height: 1.1; letter-spacing: -0.02em;
  color: var(--text); margin-bottom: 52px;
}
h2.section-head em { font-style: italic; color: var(--accent-hi); }
hr.rule { border: none; height: 1px; background: var(--border); margin: 0; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.on { opacity: 1; transform: translateY(0); }

/* ── STORY ── */
#story { background: var(--bg-2); padding: 100px var(--gutter); }
.story-grid {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 88px; align-items: start;
}
.story-prose {
  font-size: 17px; color: var(--text-dim); line-height: 1.85; font-weight: 300;
}
.story-prose p + p { margin-top: 22px; }
.story-prose strong { color: var(--text); font-weight: 400; }
.story-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 52px;
}
.stat {
  background: var(--bg-3); border: 1px solid var(--border);
  padding: 22px 24px; border-radius: 4px;
}
.stat-n {
  font-family: var(--serif); font-size: 40px; font-weight: 300;
  color: var(--accent-hi); line-height: 1; margin-bottom: 6px;
}
.stat-l {
  font-size: 11.5px; font-weight: 500; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--text-faint);
}

/* ── PROJECTS ── */
#projects { padding: 100px var(--gutter); }

.stack-intro {
  margin-bottom: 64px;
  padding: 40px 44px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.stack-intro::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 60%);
}
.stack-intro-label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent-hi);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.stack-intro-label::before {
  content: ''; display: block; width: 18px; height: 1px; background: var(--accent-hi);
}
.stack-intro-lede {
  font-family: var(--serif); font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 300; line-height: 1.35; letter-spacing: -0.01em;
  color: var(--text); margin-bottom: 8px;
}
.stack-intro-lede em { font-style: italic; color: var(--accent-hi); }
.stack-intro-sub {
  font-size: 14.5px; color: var(--text-dim); line-height: 1.7;
  font-weight: 300; max-width: 720px; margin-bottom: 32px;
}
.stack-layers {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; position: relative;
}
.stack-layer {
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 3px; padding: 18px 20px;
  position: relative; transition: border-color 0.2s;
}
.stack-layer:hover { border-color: rgba(26,92,138,0.4); }
.stack-layer-tier {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px;
}
.stack-layer-name {
  font-family: var(--serif); font-size: 18px; font-weight: 400;
  color: var(--text); margin-bottom: 6px; letter-spacing: -0.005em;
}
.stack-layer-role {
  font-size: 13px; color: var(--text-dim); line-height: 1.55; font-weight: 300;
}
.stack-arrow {
  position: absolute; top: 50%; right: -10px;
  transform: translateY(-50%);
  font-family: var(--mono); color: var(--accent-hi); font-size: 14px;
  background: var(--bg-2); padding: 0 4px; z-index: 2;
}
.stack-intro-close {
  font-size: 14.5px; color: var(--text-dim); line-height: 1.75;
  font-weight: 300; margin-top: 28px; max-width: 720px;
}
.stack-intro-close strong { color: var(--text); font-weight: 400; }

/* Project card */
.project {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 4px; padding: 52px 56px;
  margin-bottom: 16px; position: relative; overflow: hidden;
  transition: border-color 0.25s;
}
.project::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 100%; background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.3s ease;
}
.project:hover { border-color: rgba(26,92,138,0.4); }
.project:hover::before { transform: scaleY(1); }

.project-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 20px; margin-bottom: 10px;
}
.project-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 10px;
}
a.project-title {
  font-family: var(--serif); font-size: clamp(22px, 3vw, 30px);
  font-weight: 400; color: var(--text); text-decoration: none;
  letter-spacing: -0.01em; display: block; margin-bottom: 6px;
  transition: color 0.2s;
}
a.project-title:hover { color: var(--accent-hi); }
.project-type {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent-hi);
  background: rgba(26,92,138,0.12); border: 1px solid rgba(26,92,138,0.28);
  padding: 5px 13px; border-radius: 2px; white-space: nowrap; flex-shrink: 0;
  margin-top: 4px;
}

.project-problem {
  background: rgba(26,92,138,0.05); border-left: 2px solid var(--accent);
  padding: 16px 20px; border-radius: 0 4px 4px 0;
  margin: 22px 0; font-size: 14.5px; color: var(--text-dim);
  line-height: 1.7; font-style: italic;
}
.project-problem strong { color: var(--accent-hi); font-style: normal; font-weight: 500; }

.project-story {
  font-size: 15.5px; color: var(--text-dim); line-height: 1.8;
  margin-bottom: 28px; font-weight: 300;
}
.project-story strong { color: var(--text); font-weight: 400; }
.project-story p + p { margin-top: 16px; }

/* project meta row: badges + phases */
.project-meta-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin: 20px 0 4px;
}
.meta-badge {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
  padding: 4px 11px; border-radius: 2px; white-space: nowrap;
}
.meta-badge.green {
  color: #1a6e3c; background: rgba(26,110,60,0.1);
  border: 1px solid rgba(26,110,60,0.25);
}
.meta-badge.blue {
  color: var(--accent-hi); background: rgba(26,92,138,0.1);
  border: 1px solid rgba(26,92,138,0.25);
}
.meta-badge.neutral {
  color: var(--text-faint); background: transparent;
  border: 1px solid var(--border);
}

/* phases table */
.phases {
  margin: 20px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.phase-row {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
.phase-row:last-child { border-bottom: none; }
.phase-num {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--text-faint); min-width: 58px;
}
.phase-label { color: var(--text-dim); flex: 1; font-weight: 300; }
.phase-status {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.05em;
  padding: 3px 9px; border-radius: 2px; white-space: nowrap;
}
.phase-status.complete { color: #1a6e3c; background: rgba(26,110,60,0.1); border: 1px solid rgba(26,110,60,0.22); }
.phase-status.progress { color: #7a5000; background: rgba(180,120,0,0.1); border: 1px solid rgba(180,120,0,0.25); }
.phase-status.planned  { color: var(--text-faint); background: transparent; border: 1px solid var(--border); }

/* confidence routing table */
.confidence-table {
  width: 100%; border-collapse: collapse;
  font-size: 13.5px; margin: 20px 0;
  border: 1px solid var(--border); border-radius: 4px; overflow: hidden;
}
.confidence-table th {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint);
  padding: 9px 16px; border-bottom: 1px solid var(--border);
  text-align: left; background: var(--bg-3);
}
.confidence-table td {
  padding: 9px 16px; border-bottom: 1px solid var(--border);
  color: var(--text-dim); font-weight: 300;
}
.confidence-table tr:last-child td { border-bottom: none; }
.confidence-table td:first-child { font-family: var(--mono); font-size: 13px; color: var(--text); }
.route-auto   { color: #1a6e3c; }
.route-pr     { color: #7a5000; }
.route-escalate { color: #8a1a1a; }

/* stack comparison table (Stratum) */
.stack-compare {
  width: 100%; border-collapse: collapse;
  font-size: 13px; margin: 20px 0;
  border: 1px solid var(--border); border-radius: 4px; overflow: hidden;
}
.stack-compare th {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint);
  padding: 8px 14px; border-bottom: 1px solid var(--border);
  text-align: left; background: var(--bg-3);
}
.stack-compare td {
  padding: 8px 14px; border-bottom: 1px solid var(--border);
  color: var(--text-dim); font-weight: 300; font-family: var(--mono); font-size: 12px;
}
.stack-compare tr:last-child td { border-bottom: none; }
.stack-compare td:first-child { color: var(--text); font-weight: 400; font-family: var(--sans); font-size: 13px; }

.tech-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 28px; }
.tag {
  font-family: var(--mono); font-size: 11px;
  padding: 3px 10px; background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: 2px;
  color: var(--text-dim); letter-spacing: 0.02em;
}
.tag.hi {
  color: var(--accent-hi); background: rgba(26,92,138,0.1);
  border-color: rgba(26,92,138,0.25);
}

/* ── EXPERIENCE ── */
#experience { background: var(--bg-2); padding: 100px var(--gutter); }
.exp-items { display: grid; gap: 52px; }
.exp-item { position: relative; padding-left: 28px; }
.exp-item::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 2px var(--bg-2), 0 0 0 3px var(--accent);
}
.exp-item.current::before {
  background: var(--accent-hi);
  box-shadow: 0 0 0 2px var(--bg-2), 0 0 0 3px var(--accent-hi), 0 0 10px rgba(23,104,160,0.35);
}
.exp-period {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px;
}
.exp-role {
  font-family: var(--serif); font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 400; color: var(--text); letter-spacing: -0.01em; margin-bottom: 3px;
}
.exp-org {
  font-size: 13px; font-weight: 500; color: var(--accent-hi);
  letter-spacing: 0.03em; margin-bottom: 18px;
}
.exp-narrative {
  font-size: 16px; color: var(--text-dim); line-height: 1.85;
  font-weight: 300; max-width: 740px;
}
.exp-narrative p + p { margin-top: 16px; }
.exp-narrative strong { color: var(--text); font-weight: 400; }

/* ── SKILLS ── */
#skills { padding: 100px var(--gutter); }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px;
}
.skill-group {
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 26px 28px; border-radius: 4px; transition: border-color 0.2s;
}
.skill-group:hover { border-color: rgba(26,92,138,0.35); }
.skill-group-name {
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-hi);
  margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-pill {
  font-size: 12px; color: var(--text-dim);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 2px; padding: 4px 10px; font-family: var(--mono); letter-spacing: 0.01em;
}

/* ── CERTS ── */
#certs { background: var(--bg-2); padding: 100px var(--gutter); }
.certs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px;
}
.cert-card {
  background: var(--bg-3); border: 1px solid var(--border);
  padding: 24px 26px; border-radius: 4px;
  display: flex; gap: 14px; align-items: flex-start; transition: border-color 0.2s;
}
.cert-card:hover { border-color: rgba(26,92,138,0.4); }
.cert-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.cert-name { font-size: 14px; font-weight: 500; color: var(--text); line-height: 1.45; margin-bottom: 4px; }
.cert-issuer { font-family: var(--mono); font-size: 10.5px; color: var(--text-faint); letter-spacing: 0.05em; }

/* ── CONTACT ── */
#contact { padding: 100px var(--gutter); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.contact-prose { font-size: 17px; color: var(--text-dim); line-height: 1.85; font-weight: 300; }
.contact-prose strong { color: var(--text); font-weight: 400; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.clink {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px; background: var(--bg-2);
  border: 1px solid var(--border); border-radius: 4px;
  text-decoration: none; color: var(--text); font-size: 14px; transition: all 0.2s;
}
.clink:hover { border-color: var(--accent); background: rgba(26,92,138,0.07); transform: translateX(4px); }
.clink-ico {
  width: 26px; height: 26px; background: rgba(26,92,138,0.15); border-radius: 3px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden;
}
.clink-ico svg { width: 14px; height: 14px; min-width: 14px; fill: var(--accent-hi); }
.clink-text strong { display: block; font-weight: 500; margin-bottom: 1px; }
.clink-text span { font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); }

footer {
  padding: 28px var(--gutter); text-align: center;
  font-family: var(--mono); font-size: 11.5px; color: var(--text-faint);
  border-top: 1px solid var(--border); letter-spacing: 0.04em;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .stack-intro { padding: 28px 22px; }
  .stack-layers { grid-template-columns: 1fr 1fr !important; gap: 10px; }
  .stack-arrow { position: static; transform: none; display: block; text-align: center; padding: 4px 0; }
  .stack-arrow::before { content: '↓'; }
  .stack-arrow span { display: none; }
}
@media (max-width: 768px) {
  :root { --gutter: 20px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 20px; gap: 18px;
  }
  .nav-ham { display: block; }
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .project { padding: 32px 24px; }
  .project-header { flex-direction: column; gap: 10px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .stack-layers { grid-template-columns: 1fr !important; }
}