/* Maranatha Poirier — "Systems, not slides": a schematic, structural portfolio */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --black: #0b0b0d;
  --ink: #17171a;
  --paper: #ffffff;
  --surface: #f5f5f4;
  --gray: #63636a;
  --gray-light: #9c9ca3;
  --line: rgba(11, 11, 13, 0.14);
  --line-strong: rgba(11, 11, 13, 0.28);
  --accent: #1f4ed8;
  --accent-dim: #eaf0ff;
  --font-display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img, svg { display: block; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 28px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--black);
  color: #fff;
  padding: 12px 18px;
  z-index: 100;
  font-size: 14px;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------- header ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.site .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--black);
}
nav.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
nav.site-nav a.nav-link { text-decoration: none; color: var(--ink); opacity: 0.72; transition: opacity .15s; }
nav.site-nav a.nav-link:hover { opacity: 1; }
nav.site-nav a.nav-cta {
  text-decoration: none;
  background: var(--black);
  color: #fff;
  padding: 12px 18px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 13.5px;
  border: 1px solid var(--black);
  transition: background-color .15s, color .15s;
}
nav.site-nav a.nav-cta:hover { background: var(--accent); border-color: var(--accent); }
@media (max-width: 720px) { nav.site-nav a.nav-link { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line); }

.hero .status-line {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 26px;
}
.hero .status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  flex-shrink: 0;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  max-width: 18ch;
}
.hero h1 .accent { color: var(--accent); }

.hero p.lede {
  max-width: 60ch;
  font-size: 18px;
  color: var(--gray);
  margin: 0 0 36px;
}

.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .15s, color .15s, border-color .15s, transform .1s;
  border: 1px solid transparent;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--black); color: #fff; }
.btn-primary:hover { background: var(--accent); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--black); }

.data-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
@media (max-width: 720px) { .data-strip { grid-template-columns: repeat(2, 1fr); } }

.data-item {
  padding: 18px 18px 0 0;
  border-right: 1px solid var(--line);
}
.data-item:last-child { border-right: none; }
.data-item .num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--black);
  display: block;
  margin-bottom: 4px;
}
.data-item .cap {
  font-size: 12.5px;
  color: var(--gray);
  line-height: 1.4;
}

/* ---------- section shell ---------- */
section.block { padding: 64px 0; border-bottom: 1px solid var(--line); }

.block-head { margin-bottom: 30px; max-width: 680px; }
.block-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.block-head p { color: var(--gray); font-size: 15.5px; margin: 0; max-width: 62ch; }

/* ---------- about ---------- */
.summary-text { font-size: 18px; line-height: 1.75; color: var(--ink); max-width: 74ch; }
.summary-text strong { color: var(--accent); font-weight: 600; }

/* ---------- impact ---------- */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 780px) { .impact-grid { grid-template-columns: 1fr; } }

.impact-card {
  padding: 26px 28px 26px 0;
  border-top: 1px solid var(--line);
}
.impact-grid > .impact-card:nth-child(-n+2) { border-top: none; }
.impact-grid > .impact-card:nth-child(odd) {
  border-right: 1px solid var(--line);
  padding-right: 28px;
}
.impact-grid > .impact-card:nth-child(even) { padding-left: 28px; }
@media (max-width: 780px) {
  .impact-grid > .impact-card:nth-child(odd) { border-right: none; padding-right: 0; }
  .impact-grid > .impact-card:nth-child(even) { padding-left: 0; }
  .impact-grid > .impact-card:nth-child(n+2) { border-top: 1px solid var(--line); }
}

.impact-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: -0.005em;
}
.impact-card p { color: var(--gray); font-size: 15px; line-height: 1.7; margin: 0; }
.impact-card p a { color: var(--accent); font-weight: 600; text-decoration: none; border-bottom: 1px solid transparent; }
.impact-card p a:hover { border-bottom-color: var(--accent); }

/* ---------- skills ---------- */
.skill-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 720px) { .skill-groups { grid-template-columns: 1fr; } }

.skill-group { background: var(--paper); padding: 24px 26px; }
.skill-group h3 {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  margin: 0 0 16px;
  color: var(--gray);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 6px 11px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
}

/* ---------- portfolio ---------- */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 900px) { .tile-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) {
  .tile-grid { grid-template-columns: repeat(2, 1fr); }
  .tile-grid > a:last-child { grid-column: 1 / -1; }
}

.tile {
  background: var(--paper);
  padding: 24px 16px;
  text-align: left;
  text-decoration: none;
  color: var(--ink);
  transition: background-color .15s, color .15s;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 96px;
}
.tile:hover { background: var(--black); color: #fff; }
.tile:hover .tile-cat { color: #b9c4ff; }
.tile .tile-name { font-family: var(--font-display); font-weight: 600; font-size: 14.5px; }
.tile .tile-cat { font-family: var(--font-mono); font-size: 11px; color: var(--gray); }

/* ---------- contact ---------- */
section.contact-block { padding: 72px 0; }

.contact-block h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.015em;
  margin: 0 0 32px;
  max-width: 20ch;
}
.contact-block h2 .accent { color: var(--accent); }

.contact-links { display: flex; gap: 12px; flex-wrap: wrap; }

.copy-email {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--black);
  color: #fff;
  border: 1px solid var(--black);
  padding: 13px 20px;
  font-size: 14.5px;
  font-family: var(--font-body);
  cursor: pointer;
  min-height: 44px;
  transition: background-color .15s;
}
.copy-email:hover { background: var(--accent); border-color: var(--accent); }
.copy-email:active { transform: scale(0.98); }
.copy-email svg { width: 15px; height: 15px; flex-shrink: 0; }
.copy-email .label { min-width: 20ch; text-align: left; }
.copy-email[data-copied="true"] { background: #16803c; border-color: #16803c; }

/* ---------- footer ---------- */
footer.site {
  padding: 32px 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--gray);
}
footer.site a { text-decoration: none; color: var(--gray); }
footer.site a:hover { color: var(--accent); }