/* ============================================================
   APPSBYCAM — Blueprint schematic design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&display=swap');

:root {
  --ink-field:    #0F2942;   /* deep blueprint background */
  --ink-field-2:  #123453;   /* slightly lighter panel bg */
  --line:         #3D5A6C;   /* blueprint gridline / rule */
  --line-soft:    #244258;   /* faint grid */
  --paper:        #F6F3EA;   /* aged paper card surface */
  --paper-dim:    #EAE6D8;   /* paper shadow/border */
  --ink-on-field: #DCEFF5;   /* primary text on blueprint blue */
  --muted:        #86A0AF;   /* secondary text on blueprint blue */
  --ink-on-paper: #1B2B36;   /* primary text on paper */
  --muted-paper:  #5B6B72;   /* secondary text on paper */
  --amber:        #E8A33D;   /* signal accent */
  --amber-dim:    #B87F2A;

  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;

  --max: 1040px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink-field);
  color: var(--ink-on-field);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  background-attachment: fixed;
}

a { color: inherit; }

::selection { background: var(--amber); color: var(--ink-field); }

/* ---------- Utility ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.eyebrow--dim { color: var(--muted); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15,41,66,0.97), rgba(15,41,66,0.86));
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}

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

.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wordmark .glyph {
  width: 22px; height: 22px;
  border: 1.5px solid var(--amber);
  display: grid; place-items: center;
  font-size: 11px;
  color: var(--amber);
  transform: rotate(45deg);
}
.wordmark .glyph span { transform: rotate(-45deg); }

.site-nav { display: flex; gap: 28px; }
.site-nav a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.site-nav a:hover, .site-nav a.active { color: var(--ink-on-field); border-color: var(--amber); }

/* ---------- Title block (signature element) ---------- */
.title-block {
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.title-block div {
  padding: 10px 14px;
  border-right: 1px solid var(--line);
}
.title-block div:last-child { border-right: none; }
.title-block b { display: block; color: var(--ink-on-field); font-size: 12px; margin-top: 2px; }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 56px; }
.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.12;
  max-width: 15ch;
  margin: 18px 0 22px;
}
.hero p.lede { max-width: 52ch; color: var(--muted); font-size: 19px; }
.hero .actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 12px 20px;
  border: 1px solid var(--amber);
  color: var(--ink-field);
  background: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .12s ease, background .12s ease;
}
.btn:hover { background: #f2b658; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--ink-on-field);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink-on-field); background: transparent; }

/* ---------- Section scaffolding ---------- */
section { padding: 64px 0; }
.section-head { margin-bottom: 36px; display: flex; align-items: baseline; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.section-head h2 { font-size: 28px; }
.rule { border: none; border-top: 1px solid var(--line); margin: 0; }

/* ---------- App schematic cards ---------- */
.schematic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

.schematic-card {
  background: var(--paper);
  color: var(--ink-on-paper);
  border: 1px solid var(--paper-dim);
  padding: 22px 22px 20px;
  text-decoration: none;
  display: block;
  position: relative;
  transition: transform .15s ease, box-shadow .15s ease;
}
.schematic-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.28);
}
.schematic-card .sheet-no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-paper);
  letter-spacing: 0.08em;
}
.schematic-card .icon-plate {
  width: 56px; height: 56px;
  margin: 14px 0 16px;
  border: 1px solid var(--ink-on-paper);
  display: grid; place-items: center;
  overflow: hidden;
  background: #fff;
}
.schematic-card .icon-plate img { width: 100%; height: 100%; object-fit: cover; }
.schematic-card h3 { font-size: 20px; margin-bottom: 6px; }
.schematic-card p { font-size: 14.5px; color: var(--muted-paper); margin: 0 0 14px; line-height: 1.5; }
.schematic-card .spec-row {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-paper);
  display: flex;
  justify-content: space-between;
  border-top: 1px dashed var(--paper-dim);
  padding-top: 10px;
}
.schematic-card .spec-row b { color: var(--ink-on-paper); font-weight: 600; }

/* ---------- Policy / document page (paper sheet) ---------- */
.sheet {
  background: var(--paper);
  color: var(--ink-on-paper);
  padding: 48px 52px;
  border: 1px solid var(--paper-dim);
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}
.sheet .sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--ink-on-paper);
  padding-bottom: 18px;
  margin-bottom: 28px;
  gap: 20px;
  flex-wrap: wrap;
}
.sheet .sheet-header .meta { font-family: var(--mono); font-size: 12px; color: var(--muted-paper); text-align: right; }
.sheet .sheet-header .meta b { display: block; color: var(--ink-on-paper); }
.sheet h1 { font-size: 30px; }
.sheet h2 {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-top: 34px;
  margin-bottom: 10px;
  border-left: 3px solid var(--amber);
  padding-left: 10px;
}
.sheet p { color: var(--ink-on-paper); font-size: 16px; }
.sheet a.contact { color: var(--amber-dim); text-decoration: underline; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 22px;
}
.back-link:hover { color: var(--ink-on-field); }

/* ---------- Resume ---------- */
.resume-grid { display: grid; grid-template-columns: 1fr 220px; gap: 40px; }
.resume-block { margin-bottom: 30px; }
.resume-block h3 { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber-dim); margin-bottom: 14px; }
.role { margin-bottom: 18px; }
.role .role-head { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 13px; color: var(--muted-paper); flex-wrap: wrap; gap: 6px; }
.role .role-head b { color: var(--ink-on-paper); font-size: 15px; font-family: var(--serif); }
.role ul { margin: 8px 0 0; padding-left: 18px; }
.role li { margin-bottom: 5px; font-size: 15px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tags span {
  font-family: var(--mono);
  font-size: 11.5px;
  border: 1px solid var(--paper-dim);
  padding: 5px 10px;
  color: var(--muted-paper);
}
.side-note { font-family: var(--mono); font-size: 12px; color: var(--muted-paper); border-left: 2px solid var(--line); padding-left: 14px; }
.print-btn { margin-top: 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0 50px; margin-top: 40px; }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.site-footer p { font-family: var(--mono); font-size: 12px; color: var(--muted); margin: 0; }
.site-footer a { text-decoration: none; color: var(--muted); }
.site-footer a:hover { color: var(--amber); }

/* ---------- About page ---------- */
.about-body { max-width: 62ch; font-size: 17.5px; }
.about-body p { margin-bottom: 18px; }
.mission-plate {
  margin-top: 40px;
  border: 1px solid var(--line);
  padding: 26px 28px;
  display: flex;
  gap: 18px;
  align-items: center;
}
.mission-plate .tag { font-family: var(--mono); font-size: 11px; color: var(--amber); letter-spacing: 0.1em; }
.mission-plate p { font-family: var(--serif); font-size: 20px; margin: 6px 0 0; color: var(--ink-on-field); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .site-nav { gap: 16px; }
  .title-block { grid-template-columns: 1fr 1fr; }
  .resume-grid { grid-template-columns: 1fr; }
  .sheet { padding: 30px 22px; }
  .hero { padding: 56px 0 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .schematic-card, .btn { transition: none; }
}

/* focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}