:root {
  --bg: #e9ded3;
  --surface: #f6f1ea;
  --ink: #262263;
  --ink-soft: #4b4570;
  --ink-faint: #7c769b;
  --accent: #9217ae;
  --accent-soft: #f1dbf5;
  --accent-2: #1b8b8c;
  --accent-2-soft: #d8f0ef;
  --accent-3: #6e7256;
  --accent-3-soft: #e4e5d6;
  --line: #d8ccbb;
  --font-display: 'Prata', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Times New Roman', Times, Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  isolation: isolate;
}

main, footer {
  position: relative;
  z-index: 1;
}

img { max-width: 100%; }

a { color: inherit; }

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding-inline: 20px;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; margin: 0; text-wrap: balance; }

/* ---------- nav ---------- */

header.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(233, 222, 211, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links a { text-decoration: none; color: var(--ink-soft); }
.nav-links a:hover { color: var(--accent); }

/* ---------- hero ---------- */

.hero {
  padding-block: 64px 48px;
}

.hero .wrap {
  max-width: 960px;
}

.hero-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.hero-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  width: 100%;
  margin-top: 28px;
  text-align: left;
}

.hero-row .lede {
  margin: 0;
  max-width: 46ch;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.flow-card {
  width: 100%;
  max-width: 300px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 20px;
  box-shadow: 0 18px 32px rgba(38, 34, 99, 0.10);
}

.flow-node { display: flex; align-items: center; gap: 12px; padding-block: 5px; }

.flow-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--bg);
}

.flow-node strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.flow-node small { display: block; font-size: 12px; color: var(--ink-faint); }

.flow-line { width: 1px; height: 18px; background: var(--line); margin-left: 6px; }

@media (max-width: 760px) {
  .hero-row { grid-template-columns: 1fr; text-align: center; gap: 24px; }
  .hero-row .lede { margin-inline: auto; }
  .flow-card { margin-inline: auto; }
  .flow-node { text-align: left; }
}

.kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 16px;
}

h1.thesis {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.22;
  color: var(--ink);
  letter-spacing: -0.01em;
  max-width: 680px;
  margin-inline: auto;
}

h1.thesis em { font-style: italic; color: var(--accent); }

.lede {
  margin-top: 20px;
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 58ch;
}

.cta-row { margin-top: 32px; display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 6px;
  border: 1px solid transparent;
}

.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); }

.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- sections ---------- */

section { padding-block: 48px; border-top: 1px solid var(--line); }
section:first-of-type { border-top: none; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 10px;
}

section h2 { font-size: 26px; margin-bottom: 8px; }
section > p.section-lede { color: var(--ink-soft); max-width: 60ch; margin-top: 0; margin-bottom: 32px; }

/* services grid */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
}

.service-card h3 { font-size: 19px; margin-bottom: 8px; }
.service-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* about */

.about-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 36px;
}

.about-photo {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--surface);
  box-shadow: 0 14px 28px rgba(38, 34, 99, 0.16);
}

.about-copy p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15.5px;
  max-width: 58ch;
}

@media (max-width: 560px) {
  .about-row { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

/* architecture pipeline (case study diagram) */

.pipeline {
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.pipeline-node {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 11px;
  border-radius: 6px;
  background: var(--accent-3-soft);
  color: var(--accent-3);
  border: 1px solid var(--line);
}

.pipeline-arrow { color: var(--ink-faint); font-size: 13px; }

/* case studies (shared with portfolio artifact styling) */

.case { padding-block: 36px; border-top: 1px solid var(--line); }
.case:first-of-type { border-top: none; padding-top: 0; }

.case-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.case-title { font-size: 22px; color: var(--ink); }
.case-client { font-family: var(--font-mono); font-size: 12px; color: var(--accent-3); white-space: nowrap; }

.case-body { margin-top: 18px; display: grid; gap: 16px; }

.field { display: grid; grid-template-columns: 96px 1fr; gap: 16px; }
.field .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 2px;
}
.field p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.field p strong { color: var(--ink); font-weight: 600; }

@media (max-width: 480px) { .field { grid-template-columns: 1fr; gap: 4px; } }

.stack-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.tag {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--accent);
}

.stack-cloud .tag { background: var(--accent-2-soft); color: var(--accent-2); font-size: 12.5px; }

/* contact */

.contact-grid { display: grid; grid-template-columns: 1fr; gap: 20px; max-width: 520px; }

label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

input, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
}

input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

textarea { resize: vertical; min-height: 120px; }

.form-msg { margin-top: 4px; }

.privacy-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--ink-faint);
  max-width: 46ch;
}

.privacy-note a { color: var(--accent-2); text-decoration: underline; }

/* legal pages */

.legal-page h1 { font-size: 28px; margin-bottom: 24px; }
.legal-page h2 { font-size: 18px; margin-top: 28px; margin-bottom: 8px; }
.legal-page p { color: var(--ink-soft); font-size: 15.5px; max-width: 68ch; }
.legal-page a { color: var(--accent-2); text-decoration: underline; }

/* footer */

footer { padding-block: 32px; border-top: 1px solid var(--line); }

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px 32px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-robot {
  width: 26px;
  height: auto;
  opacity: 0.85;
}

footer .mono { font-family: var(--font-mono); font-size: 12px; color: var(--accent-3); }

.footer-legal { display: flex; gap: 16px; font-family: var(--font-mono); font-size: 11.5px; }

footer a { text-decoration: none; color: var(--ink-soft); }
footer a:hover { color: var(--accent); }