/* =====================================================================
   Noah Abebe — Portfolio
   Editorial studio look · warm paper · glass · single accent
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

@font-face {
  font-family: 'Nasalization';
  src: url('../nasalization-rg.otf') format('opentype');
  font-display: swap;
}

:root {
  --paper: #f5f3ee;      /* warm light base */
  --paper-2: #efece4;
  --card: rgba(255, 253, 249, 0.62);
  --card-solid: #fffdf9;

  --ink: #23252b;
  --ink-soft: #55585f;
  --ink-faint: #8a8d94;
  --line: #e2ddd2;

  --accent: #3f4cc4;      /* considered indigo, used sparingly */
  --accent-soft: rgba(63, 76, 196, 0.1);
  --accent-2: #b4533a;    /* terracotta, rare */

  --glass-border: rgba(255, 255, 255, 0.7);
  --shadow: 0 14px 40px rgba(40, 38, 30, 0.08);
  --shadow-hover: 0 22px 60px rgba(40, 38, 30, 0.14);

  --radius: 16px;
  --radius-lg: 24px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
}

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

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(900px 500px at 88% -8%, rgba(63,76,196,0.05), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(180,83,58,0.045), transparent 55%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* faint paper grain — subtle texture that reads hand-made */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; color: var(--ink); }

a { color: var(--accent); }

/* ---------- Top scroll progress ---------- */
#scrollProgress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--accent); z-index: 2000;
  transition: width 0.1s linear;
}

/* ---------- Navbar ---------- */
.glass-nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  width: min(94%, 1120px); z-index: 1500;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.6rem 0.7rem 0.6rem 1.4rem;
  background: rgba(255, 253, 249, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.glass-nav .brand {
  font-family: var(--serif); font-size: 1.35rem; font-weight: 600;
  letter-spacing: -0.02em; color: var(--ink); text-decoration: none; white-space: nowrap;
}
.glass-nav .brand span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 0.15rem; }
.nav-links a {
  text-decoration: none; color: var(--ink-soft); font-weight: 500;
  font-size: 0.9rem; padding: 0.5rem 0.9rem; border-radius: 9px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover { color: var(--ink); background: rgba(35,37,43,0.05); }
.nav-links a.cta {
  background: var(--ink); color: var(--paper);
}
.nav-links a.cta:hover { background: var(--accent); color: #fff; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.4rem; }
.nav-toggle span { display:block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: 0.3s; }

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: calc(100% + 8px); right: 0;
    flex-direction: column; align-items: stretch; gap: 0.1rem;
    background: rgba(255, 253, 249, 0.94); backdrop-filter: blur(16px);
    border: 1px solid var(--line); border-radius: 14px;
    padding: 0.5rem; min-width: 190px; box-shadow: var(--shadow);
    transform: scale(0.96); transform-origin: top right; opacity: 0;
    pointer-events: none; transition: 0.2s ease;
  }
  .nav-links.open { transform: scale(1); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 0.7rem 0.9rem; }
}

/* ---------- Buttons ---------- */
.btn-glow, .btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  text-decoration: none; font-weight: 500; font-size: 0.94rem;
  padding: 0.75rem 1.4rem; border-radius: 10px; cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn-glow { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.btn-glow:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* ---------- Sections ---------- */
.section { padding: 92px 22px; position: relative; }
.container-x { max-width: 1120px; margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-weight: 500; font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint);
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--ink-faint); display: inline-block; }
.section-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.05;
  margin: 0.7rem 0 0.5rem; color: var(--ink);
}
.section-sub { color: var(--ink-soft); max-width: 560px; font-size: 1rem; }
.center { text-align: center; }
.center .eyebrow::before { display: none; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* ---------- Glass cards ---------- */
.glass-card {
  background: var(--card);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.7rem;
  position: relative; overflow: hidden;
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1), box-shadow 0.35s, border-color 0.35s, opacity 0.6s;
}
/* subtle sheen sweep on hover (kept restrained) */
.glass-card::before {
  content: ''; position: absolute; top: 0; left: -130%;
  width: 70%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-16deg); transition: left 0.8s ease; pointer-events: none;
}
.glass-card:hover::before { left: 150%; }
.glass-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(63,76,196,0.25); }

/* card index kicker (replaces emoji icons — reads intentional, editorial) */
.kicker {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em;
  color: var(--ink-faint); text-transform: uppercase; margin-bottom: 0.9rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
}
.kicker .no { color: var(--accent); }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.show { opacity: 1; transform: translateY(0); }

.glass-card h3, .glass-card h4 { margin: 0 0 0.2rem; font-family: var(--serif); font-weight: 600; font-size: 1.22rem; }
.glass-card .meta { color: var(--ink-faint); font-size: 0.82rem; font-family: var(--mono); margin-bottom: 0.8rem; }
.glass-card p { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.65; margin: 0.4rem 0; }
.glass-card ul { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.6; padding-left: 1.05rem; margin: 0.5rem 0 0; }
.glass-card ul li { margin-bottom: 0.4rem; }
.glass-card ul li::marker { color: var(--accent); }

/* tag chips — muted, uniform (no rainbow) */
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.chip {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 400; letter-spacing: 0.01em;
  padding: 0.28rem 0.6rem; border-radius: 7px;
  background: rgba(35,37,43,0.045); color: var(--ink-soft); border: 1px solid var(--line);
}
.chip.teal, .chip.mint, .chip.coral, .chip.amber { /* legacy classes → same muted style */
  background: rgba(35,37,43,0.045); color: var(--ink-soft); border-color: var(--line);
}

/* grid helpers */
.grid { display: grid; gap: 1.3rem; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){ .grid.cols-3,.grid.cols-4 { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 640px){ .grid.cols-2,.grid.cols-3,.grid.cols-4 { grid-template-columns: 1fr;} }

/* ---------- Footer ---------- */
.site-footer {
  padding: 48px 22px; color: var(--ink-soft); font-size: 0.9rem;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  max-width: 1120px; margin: 0 auto; flex-wrap: wrap;
}
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }
.social-row { display: flex; gap: 0.4rem; }
.social-row a {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em;
  padding: 0.4rem 0.7rem; border-radius: 8px; border: 1px solid var(--line);
  color: var(--ink-soft); transition: all 0.2s ease; text-decoration: none;
}
.social-row a:hover { color: var(--ink); border-color: var(--ink); }

/* =====================================================================
   Robot scroll companion + "Bolt Runner" transition game
   ===================================================================== */
#robotBuddy {
  position: fixed; right: 20px; bottom: 20px; width: 58px; height: 66px;
  z-index: 1400; cursor: pointer; user-select: none;
  filter: drop-shadow(0 8px 14px rgba(40,38,30,0.18));
  opacity: 0.9; transition: transform 0.3s ease, opacity 0.3s ease;
}
#robotBuddy:hover { transform: translateY(-3px); opacity: 1; }
#robotBuddy .bob { animation: bob 3s ease-in-out infinite; transform-origin: center; }
@keyframes bob { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-4px);} }
#robotBuddy .speech {
  position: absolute; bottom: 70px; right: 0; white-space: nowrap;
  background: var(--card-solid); border: 1px solid var(--line);
  color: var(--ink-soft); font-size: 0.74rem; font-family: var(--mono);
  padding: 0.35rem 0.6rem; border-radius: 8px; box-shadow: var(--shadow);
  opacity: 0; transform: translateY(5px); transition: 0.28s ease; pointer-events: none;
}
#robotBuddy.talk .speech { opacity: 1; transform: translateY(0); }

#gameOverlay {
  position: fixed; inset: 0; z-index: 5000; display: none;
  align-items: center; justify-content: center;
  background: rgba(245, 243, 238, 0.82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  opacity: 0; transition: opacity 0.32s ease;
}
#gameOverlay.active { display: flex; opacity: 1; }
#gameOverlay.closing { opacity: 0; }
.game-shell {
  width: min(92vw, 600px);
  background: var(--card-solid); border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow-hover); padding: 1.3rem 1.3rem 1rem;
}
.game-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.game-head .g-title { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.game-head .g-score { font-family: var(--mono); font-weight: 500; color: var(--accent); font-size: 0.85rem; }
#gameCanvas {
  width: 100%; height: 180px; display: block; border-radius: 12px;
  background: var(--paper-2); border: 1px solid var(--line);
}
.game-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 0.7rem; gap: 0.8rem; }
.game-hint { color: var(--ink-faint); font-size: 0.78rem; font-family: var(--mono); }
.game-foot .loadbar { flex: 1; height: 3px; border-radius: 3px; background: var(--line); overflow: hidden; }
.game-foot .loadbar i { display: block; height: 100%; width: 0%; background: var(--accent); transition: width 0.2s linear; }
.game-skip {
  background: none; border: none; color: var(--ink-soft); font-weight: 500; cursor: pointer;
  font-size: 0.82rem; font-family: var(--mono); padding: 0.2rem 0.4rem; white-space: nowrap;
}
.game-skip:hover { color: var(--ink); text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  #robotBuddy .bob { animation: none; }
  .glass-card, .reveal { transition: none; }
}