/* ============================================================
   Olayemi Odjetunde — Portfolio Design System
   Apple-style frosted glass + bento grid
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  /* Light theme (default) */
  --bg: #f2f2f5;
  --bg-solid: #f2f2f5;
  --text: #1d1d1f;
  --text-dim: #48484a;
  --muted: #6e6e73;
  --faint: #86868b;

  --card-bg: rgba(255,255,255,0.58);
  --card-bg-strong: rgba(255,255,255,0.72);
  --card-border: rgba(255,255,255,0.8);
  --card-shadow: 0 8px 32px rgba(31,31,40,0.08), 0 1px 1px rgba(31,31,40,0.04);
  --card-shadow-hover: 0 16px 48px rgba(31,31,40,0.12), 0 2px 2px rgba(31,31,40,0.05);

  --nav-bg: rgba(242,242,245,0.72);
  --nav-border: rgba(0,0,0,0.06);

  --pill-bg: rgba(0,0,0,0.04);
  --pill-border: rgba(0,0,0,0.08);

  --btn-primary-bg: #1d1d1f;
  --btn-primary-text: #f5f5f7;
  --btn-secondary-border: rgba(0,0,0,0.14);

  --blue: #0A84FF;
  --purple: #AF52DE;
  --pink: #FF375F;
  --mint: #30D158;
  --gold: #C9A84C;

  --divider: rgba(0,0,0,0.08);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --radius-pill: 999px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #08080a;
    --bg-solid: #08080a;
    --text: #f5f5f7;
    --text-dim: #d1d1d6;
    --muted: #a1a1a6;
    --faint: #7a7a80;

    --card-bg: rgba(15,17,24,0.82);
    --card-bg-strong: rgba(18,20,28,0.9);
    --card-border: rgba(255,255,255,0.08);
    --card-shadow: 0 8px 32px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
    --card-shadow-hover: 0 20px 60px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.07);

    --atmo-base: #07080c;
    --atmo-elevated: #0a1020;
    --atmo-primary: #3e6bff;
    --atmo-secondary: #5b57d6;
    --atmo-accent: #34c6d9;

    --nav-bg: rgba(8,8,10,0.65);
    --nav-border: rgba(255,255,255,0.08);

    --pill-bg: rgba(255,255,255,0.06);
    --pill-border: rgba(255,255,255,0.12);

    --btn-primary-bg: #f5f5f7;
    --btn-primary-text: #1d1d1f;
    --btn-secondary-border: rgba(255,255,255,0.18);

    --divider: rgba(255,255,255,0.09);
  }
}
:root[data-theme="dark"] {
  --bg: #08080a;
  --bg-solid: #08080a;
  --text: #f5f5f7;
  --text-dim: #d1d1d6;
  --muted: #a1a1a6;
  --faint: #7a7a80;

  --card-bg: rgba(28,28,32,0.55);
  --card-bg-strong: rgba(32,32,36,0.72);
  --card-border: rgba(255,255,255,0.09);
  --card-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 1px 1px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 20px 60px rgba(0,0,0,0.55);

  --nav-bg: rgba(8,8,10,0.65);
  --nav-border: rgba(255,255,255,0.08);

  --pill-bg: rgba(255,255,255,0.06);
  --pill-border: rgba(255,255,255,0.12);

  --btn-primary-bg: #f5f5f7;
  --btn-primary-text: #1d1d1f;
  --btn-secondary-border: rgba(255,255,255,0.18);

  --divider: rgba(255,255,255,0.09);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  background: var(--bg-solid);
  color: var(--text);
  overflow-x: hidden;
  position: relative;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ============================================================
   BACKGROUND — starfield constellation (assets/stars.js).
   A fixed full-viewport canvas: static-position dots with a
   slow opacity twinkle, thin nearest-neighbor links between
   nearby stars. Echoes the hero brain-circuit motif at very
   low cost (no WebGL, positions computed once per resize).
   ============================================================ */
.aurora-background {
  position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
  background: var(--bg-solid);
}
#star-canvas {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
}

/* ============================================================
   INTRO REVEAL — first-visit-only splash, session-scoped.
   ============================================================ */
.intro-reveal {
  position: fixed; inset: 0; z-index: 5000;
  background: #08080a; color: #f5f5f7;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.1rem;
  transition: transform .6s cubic-bezier(.65,0,.35,1), opacity .6s ease;
}
.intro-reveal[aria-hidden="true"] { pointer-events: none; }
.intro-reveal.intro-hide { transform: translateY(-100%); opacity: 0; }
.intro-mark {
  font-size: 2.75rem; font-weight: 800; letter-spacing: -.02em;
  opacity: 0; transform: translateY(8px);
  animation: intro-mark-in .6s ease .1s forwards;
}
.intro-line {
  width: 120px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--purple), var(--mint));
  transform: scaleX(0); transform-origin: center;
  animation: intro-line-in .7s ease .45s forwards;
}
@keyframes intro-mark-in { to { opacity: 1; transform: translateY(0); } }
@keyframes intro-line-in { to { transform: scaleX(1); } }

/* Hero content itself gets a matching blur-to-sharp rise once the
   curtain lifts — targets any element flagged with .intro-target. */
.intro-target {
  opacity: 0; transform: translateY(14px); filter: blur(6px);
  transition: opacity .7s ease, transform .7s ease, filter .7s ease;
}
.intro-target.intro-target-in {
  opacity: 1; transform: translateY(0); filter: blur(0);
}
@media (prefers-reduced-motion: reduce) {
  .intro-reveal, .intro-mark, .intro-line, .intro-target {
    animation: none !important; transition: none !important;
  }
  .intro-target { opacity: 1; transform: none; filter: none; }
}

/* ---------- Layout helpers ---------- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
@media (max-width: 640px) { .section { padding: 4rem 0; } .wrap { padding: 0 1.25rem; } }

/* ---------- Glass card / bubble ---------- */
.glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  box-shadow: var(--card-shadow);
  transition: box-shadow .35s ease, transform .35s ease, border-color .35s ease;
}
.glass:hover { box-shadow: var(--card-shadow-hover); }
.glass-strong { background: var(--card-bg-strong); }

/* ---------- Eyebrow / pill ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .74rem; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--muted);
  background: var(--pill-bg); border: 1px solid var(--pill-border);
  padding: .5rem 1rem; border-radius: var(--radius-pill);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 8px var(--mint); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.9rem; font-size: .92rem; font-weight: 600;
  border-radius: var(--radius-pill); cursor: pointer; transition: all .25s ease;
  border: 1px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.18); }
.btn-glass {
  background: var(--card-bg); border: 1px solid var(--card-border); color: var(--text);
  backdrop-filter: blur(20px);
}
.btn-glass:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--nav-bg); backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 2rem; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: .95rem; letter-spacing: -.02em;
  flex-shrink: 0;
}
.nav-brand { display: flex; align-items: center; gap: .75rem; font-weight: 700; font-size: .95rem; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: .86rem; font-weight: 500; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--card-border);
  background: var(--card-bg); display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text); flex-shrink: 0;
}
.theme-toggle svg { width: 17px; height: 17px; }
.icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-moon { display: none; }
  :root:not([data-theme="light"]) .icon-sun { display: block; }
}
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; }
.mobile-menu {
  display: none; position: fixed; top: 68px; left: 1rem; right: 1rem; z-index: 999;
  padding: 1.5rem; flex-direction: column; gap: 1.1rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: .95rem; font-weight: 600; color: var(--text-dim); }
@media (max-width: 860px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 560px) {
  .nav-actions > a.btn-primary { display: none; }
  .nav-brand { font-size: .85rem; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
.d1{transition-delay:.08s} .d2{transition-delay:.16s} .d3{transition-delay:.24s} .d4{transition-delay:.32s} .d5{transition-delay:.4s}

/* ---------- Footer ---------- */
.footer { padding: 3.5rem 0 2.5rem; border-top: 1px solid var(--divider); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer p { font-size: .8rem; color: var(--faint); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .8rem; color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* ---------- Utility ---------- */
.tag-chip {
  display: inline-flex; align-items: center; font-size: .72rem; font-weight: 600;
  color: var(--muted); background: var(--pill-bg); border: 1px solid var(--pill-border);
  padding: .3rem .7rem; border-radius: var(--radius-pill);
}
.status-badge {
  display: inline-flex; align-items: center; gap: .4rem; font-size: .72rem; font-weight: 700;
  letter-spacing: .03em; text-transform: uppercase; padding: .35rem .8rem; border-radius: var(--radius-pill);
}
.status-live { background: rgba(48,209,88,0.13); color: #1f9e46; }
:root[data-theme="dark"] .status-live { color: #30D158; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .status-live { color: #30D158; } }
.status-build { background: rgba(10,132,255,0.13); color: #0A6FD1; }
:root[data-theme="dark"] .status-build { color: #4fa8ff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .status-build { color: #4fa8ff; } }

/* ---------- Hero brain visual — animated circuit-maze SVG ---------- */
.brain-visual {
  display: flex; align-items: center; justify-content: center;
  min-height: 340px;
}
.brain-visual svg {
  width: 100%; max-width: 480px; height: auto;
  filter: drop-shadow(0 0 16px rgba(94,124,255,0.35)) drop-shadow(0 0 34px rgba(175,82,222,0.18));
}
/* Reduced-motion handling for the SMIL animateMotion pulse is done in
   main.js via SVGSVGElement.pauseAnimations() — CSS display/animation
   properties don't affect SMIL timing on <animateMotion> elements. */

/* ---------- Job Fit Checker ---------- */
.fit-textarea {
  width: 100%; min-height: 160px; resize: vertical;
  background: var(--pill-bg); border: 1px solid var(--pill-border);
  border-radius: var(--radius-md); padding: 1rem 1.1rem; color: var(--text);
  font-family: inherit; font-size: .9rem; line-height: 1.6; outline: none;
}
.fit-textarea:focus { border-color: var(--blue); }
.fit-textarea::placeholder { color: var(--faint); }
.fit-result { margin-top: 1.75rem; display: none; }
.fit-result.show { display: block; }
.fit-score-row { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.fit-ring { position: relative; width: 96px; height: 96px; flex-shrink: 0; }
.fit-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.fit-ring circle { fill: none; stroke-width: 8; }
.fit-ring .track { stroke: var(--pill-bg); }
.fit-ring .bar { stroke: var(--blue); stroke-linecap: round; transition: stroke-dashoffset .8s ease, stroke .3s ease; }
.fit-ring-label { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem; transition: opacity .2s ease; }
/* Charging spinner state while the API call is in flight */
.fit-ring.loading svg { animation: fit-ring-spin 1s linear infinite; }
.fit-ring.loading .bar { stroke: var(--blue); stroke-dasharray: 55 196; transition: none; }
.fit-ring.loading .fit-ring-label { opacity: 0; }
@keyframes fit-ring-spin { from { transform: rotate(-90deg); } to { transform: rotate(270deg); } }
@media (prefers-reduced-motion: reduce) {
  .fit-ring.loading svg { animation: none; }
}
.fit-skill-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.fit-skill-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .6rem; }
.fit-chip { font-size: .76rem; font-weight: 600; padding: .35rem .75rem; border-radius: var(--radius-pill); }
.fit-chip.match { background: rgba(48,209,88,0.15); color: #1f9e46; }
:root[data-theme="dark"] .fit-chip.match { color: #30D158; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .fit-chip.match { color: #30D158; } }
.fit-chip.gap { background: var(--pill-bg); color: var(--muted); }
.fit-disclaimer { font-size: .74rem; color: var(--faint); margin-top: 1.5rem; line-height: 1.6; }
@media (max-width: 640px) { .fit-skill-cols { grid-template-columns: 1fr; } }

/* ---------- Command palette ---------- */
.cmdk-trigger {
  display: flex; align-items: center; gap: .5rem; font-size: .76rem; color: var(--muted);
  background: var(--pill-bg); border: 1px solid var(--pill-border); border-radius: var(--radius-pill);
  padding: .45rem .8rem; cursor: pointer;
}
.cmdk-trigger kbd { font-family: inherit; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 4px; padding: 0 .3rem; font-size: .7rem; }
.cmdk-overlay {
  position: fixed; inset: 0; z-index: 3000; background: rgba(0,0,0,0.45);
  display: none; align-items: flex-start; justify-content: center; padding-top: 12vh;
  backdrop-filter: blur(4px);
}
.cmdk-overlay.open { display: flex; }
.cmdk-box { width: 100%; max-width: 560px; margin: 0 1rem; max-height: 60vh; display: flex; flex-direction: column; overflow: hidden; }
.cmdk-input {
  width: 100%; border: none; background: transparent; outline: none; color: var(--text);
  font-size: 1rem; padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--divider); font-family: inherit;
}
.cmdk-list { overflow-y: auto; padding: .5rem; }
.cmdk-item { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1rem; border-radius: var(--radius-sm); cursor: pointer; font-size: .88rem; }
.cmdk-item.active { background: var(--pill-bg); }
.cmdk-item-tag { font-size: .68rem; color: var(--faint); text-transform: uppercase; letter-spacing: .05em; }
.cmdk-empty { padding: 1.5rem; text-align: center; color: var(--faint); font-size: .85rem; }
@media (max-width: 760px) {
  .cmdk-trigger { display: none; }
}