/* =========================================================
   Abood — personal site
   Design tokens
   ========================================================= */
:root {
  /* color */
  --bg: #F5F6F0;
  --surface: #FFFFFF;
  --surface-alt: #ECEEE3;
  --ink: #1C211D;
  --ink-soft: #545C53;
  --ink-faint: #8A9188;
  --signal: #4F8F72;
  --signal-dark: #3C7059;
  --signal-soft: #DCEAE0;
  --indigo: #5D6FA6;
  --indigo-soft: #E3E6F2;
  --border: #DADCCE;
  --border-strong: #C3C6B6;

  /* type */
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* layout */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 3px;
}

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

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

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

/* subtle paper texture via layered radial noise (very light) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(79,143,114,0.05), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(93,111,166,0.04), transparent 45%);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-dark);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

section { padding: clamp(56px, 9vw, 108px) 0; }
.section-tight { padding: clamp(32px, 5vw, 56px) 0; }

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(245, 246, 240, 0.86);
  border-bottom: 1px solid var(--border);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--ink);
}
.brand svg { display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--signal-dark); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--signal);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px !important;
  border-radius: var(--radius);
  background: var(--signal) !important;
  color: #fff !important;
  border: none;
}
.nav-cta:hover { background: var(--signal-dark) !important; color: #fff !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 780px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px var(--gutter) 28px;
    gap: 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-cta { margin-top: 6px; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: var(--signal-dark); }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--ink); }
.btn-outline:hover { border-color: var(--signal); color: var(--signal-dark); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 1.8em; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(24px, 5vw, 60px);
  align-items: center;
  padding-top: clamp(48px, 8vw, 88px);
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { order: -1; height: 260px; }
}
.hero h1 { margin-bottom: 0.28em; }
.hero .lede { font-size: 1.12rem; max-width: 46ch; }
.hero-visual {
  position: relative;
  height: 420px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.hero-visual canvas { display: block; width: 100%; height: 100%; }
.hero-visual .visual-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 10px 14px;
  background: linear-gradient(transparent, rgba(255,255,255,0.9) 55%);
}

/* ---------- tag pills ---------- */
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  padding: 7px 13px;
  border-radius: 100px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--ink-soft);
  white-space: nowrap;
}
.pill-signal { background: var(--signal-soft); border-color: transparent; color: var(--signal-dark); }
.pill-indigo { background: var(--indigo-soft); border-color: transparent; color: var(--indigo); }

/* ---------- divider (signature motif, static SVG) ---------- */
.converge-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 0 0;
  opacity: 0.85;
}

/* ---------- cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 2.2em;
}
@media (max-width: 920px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--signal); transform: translateY(-3px); }
.card-status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal-dark);
}
.card-status.status-progress { color: var(--indigo); }
.card h3 { margin-bottom: 0.15em; }
.card p { font-size: 0.94rem; margin-bottom: 0.4em; flex: 1; }
.card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link:hover { color: var(--signal-dark); }

/* ---------- skills strip ---------- */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 1.6em;
}
@media (max-width: 900px) { .skill-groups { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .skill-groups { grid-template-columns: 1fr; } }
.skill-group {
  border-top: 2px solid var(--signal);
  padding-top: 14px;
}
.skill-group h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.8em;
}
.skill-group ul { list-style: none; margin: 0; padding: 0; }
.skill-group li {
  font-size: 0.94rem;
  padding: 5px 0;
  border-bottom: 1px dashed var(--border);
  color: var(--ink);
}
.skill-group li:last-child { border-bottom: none; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; color: var(--ink-soft); }
.footer-links a:hover { color: var(--signal-dark); }

/* ---------- about page ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
  padding-top: clamp(40px, 6vw, 64px);
}
@media (max-width: 780px) { .about-hero { grid-template-columns: 1fr; } }
.avatar-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 1 / 1;
}
.avatar-frame img, .avatar-frame svg { width: 100%; height: 100%; display: block; object-fit: cover; }

.timeline { margin-top: 1.6em; border-left: 2px solid var(--border); padding-left: 26px; }
.timeline-item { position: relative; padding-bottom: 30px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -31px; top: 4px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--signal);
  border: 2px solid var(--bg);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.timeline-item h4 { margin: 0 0 4px; font-family: var(--font-body); font-size: 1.02rem; font-weight: 600; }
.timeline-item p { margin: 0; font-size: 0.92rem; }

.interest-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.2em; }

/* ---------- projects page ---------- */
.project-full {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: clamp(24px, 4vw, 40px);
  margin-bottom: 24px;
}
.project-full-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.project-full h3 { margin-bottom: 4px; }
.project-meta { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-faint); }
.project-full .pill-row { margin: 16px 0; }
.contrib-list { margin: 14px 0 0; padding-left: 20px; }
.contrib-list li { font-size: 0.93rem; color: var(--ink-soft); margin-bottom: 6px; }

/* ---------- contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 56px);
  padding-top: clamp(40px, 6vw, 64px);
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 7px;
}
.field input, .field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
  border-color: var(--signal);
}
.form-note {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  margin-top: 6px;
}
.contact-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
}
.contact-row:last-child { border-bottom: none; }
.contact-row .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.contact-row .value { font-size: 0.98rem; text-decoration: none; color: var(--ink); }
.contact-row .value:hover { color: var(--signal-dark); }

/* ---------- generic page hero (about/projects/contact top) ---------- */
.page-head { padding-top: clamp(44px, 7vw, 72px); max-width: 62ch; }

/* visually-hidden utility for a11y */
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.project-full {
  scroll-margin-top: 250px; /* Adjust this number based on your navbar's actual height */
}