/* =============================================================
   bhaveshjain.com — Studio portfolio
   Modern premium feel · dark base · gradient accents · bento grid
   ============================================================= */

/* ----- Reset --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: inherit; }
:focus:not(:focus-visible) { outline: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ----- Tokens -------------------------------------------------- */
:root {
  --sans:   'Geist', 'Inter', system-ui, -apple-system, sans-serif;
  --serif:  'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --mono:   'JetBrains Mono', ui-monospace, monospace;

  --bg:           #0a0a10;
  --bg-2:         #0e0e16;
  --surface:      rgba(255,255,255,0.03);
  --surface-2:    rgba(255,255,255,0.05);
  --surface-hi:   rgba(255,255,255,0.07);
  --border:       rgba(255,255,255,0.08);
  --border-hi:    rgba(255,255,255,0.16);

  --text:         #f4f4f8;
  --text-dim:     rgba(244,244,248,0.66);
  --text-faint:   rgba(244,244,248,0.42);

  --accent:       #ff6b35;
  --accent-2:     #f72585;
  --accent-3:     #7209b7;
  --accent-cyan:  #00d9f5;
  --accent-lime:  #c9f86b;

  /* Legacy aliases for blog pages */
  --c-orange:     #ff6b35;
  --c-pink:       #f72585;
  --c-purple:     #b66cff;
  --c-teal:       #00d9f5;

  --grad-warm:    linear-gradient(135deg, #ff6b35 0%, #f72585 50%, #7209b7 100%);
  --grad-cool:    linear-gradient(135deg, #00d9f5 0%, #7209b7 100%);
  --grad-border:  linear-gradient(135deg, rgba(255,107,53,0.4) 0%, rgba(247,37,133,0.4) 50%, rgba(114,9,183,0.4) 100%);

  --shadow-sm:    0 2px 8px rgba(0,0,0,0.3);
  --shadow:       0 12px 32px -8px rgba(0,0,0,0.5);
  --shadow-lg:    0 24px 60px -12px rgba(0,0,0,0.6);
  --shadow-glow:  0 0 60px -20px rgba(255,107,53,0.5);

  --r-sm:         8px;
  --r-md:         14px;
  --r-lg:         20px;
  --r-xl:         28px;

  --gutter:       clamp(1.2rem, 4vw, 2rem);
  --container:    1200px;
  --section-y:    clamp(4rem, 10vh, 7rem);
}

[data-theme="light"] {
  --bg:           #fafaf7;
  --bg-2:         #f3f3ee;
  --surface:      rgba(0,0,0,0.025);
  --surface-2:    rgba(0,0,0,0.04);
  --surface-hi:   rgba(0,0,0,0.06);
  --border:       rgba(0,0,0,0.09);
  --border-hi:    rgba(0,0,0,0.18);
  --text:         #14141c;
  --text-dim:     rgba(20,20,28,0.66);
  --text-faint:   rgba(20,20,28,0.42);
  --shadow:       0 12px 32px -8px rgba(20,20,28,0.12);
  --shadow-lg:    0 24px 60px -12px rgba(20,20,28,0.18);
}

/* ----- Page ---------------------------------------------------- */
html, body { background: var(--bg); color: var(--text); }
body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(255,107,53,0.10), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(247,37,133,0.08), transparent 60%),
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(114,9,183,0.10), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
}
[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(255,107,53,0.10), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(247,37,133,0.06), transparent 60%),
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(114,9,183,0.06), transparent 60%);
}
[data-theme="light"] body::after {
  background-image:
    linear-gradient(rgba(20,20,28,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,20,28,0.025) 1px, transparent 1px);
}

main, header, footer { position: relative; z-index: 1; }

/* ----- Typography ---------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
}
h1 { font-size: clamp(2.8rem, 7vw, 5.4rem); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--text-dim); }

.serif { font-family: var(--serif); font-weight: 400; font-style: italic; letter-spacing: -0.01em; }
.mono { font-family: var(--mono); font-size: 0.8em; letter-spacing: 0.02em; }
.accent-text { color: var(--accent); }
.gradient-text {
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ----- Container & section ------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: var(--section-y) 0; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 1.4rem;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head h2 { margin-bottom: 1rem; }
.section-head p { font-size: 1.1rem; max-width: 56ch; }

/* ----- Nav ----------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10,10,16,0.6);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .nav { background: rgba(250,250,247,0.7); }
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.nav-logo .logo-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--grad-warm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: var(--shadow-glow);
}
.nav-links {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.nav-links a {
  padding: 0.5rem 0.85rem;
  font-size: 0.92rem;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color 0.18s, background 0.18s;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text); background: var(--surface); }
.nav-cta {
  background: var(--grad-warm);
  color: white;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 24px -8px rgba(255,107,53,0.5);
  transition: transform 0.18s, box-shadow 0.18s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px -6px rgba(255,107,53,0.6); }
.nav-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.nav-cta:hover::after { transform: translateX(100%); }
.nav-tools { display: flex; gap: 0.4rem; align-items: center; }
.icon-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.icon-btn:hover { background: var(--surface-hi); color: var(--text); border-color: var(--border-hi); }
.icon-btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.theme-toggle { position: relative; }
.theme-toggle .icon-moon,
.theme-toggle .icon-sun {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 16px; height: 16px;
  transition: opacity 0.32s ease, transform 0.42s cubic-bezier(0.2, 0.8, 0.2, 1);
  transform-origin: center;
}
.theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }
.theme-toggle .icon-sun  { opacity: 0; transform: rotate(90deg) scale(0.55); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.55); }
[data-theme="light"] .theme-toggle .icon-sun  { opacity: 1; transform: rotate(0) scale(1); }
@media (prefers-reduced-motion: reduce) {
  .theme-toggle .icon-moon, .theme-toggle .icon-sun { transition: none; }
}
.nav-toggle { display: none; }

/* Language toggle chip (DE/EN) */
.lang-toggle {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
}

/* ============================================================
   /play.html · live ML demos
   ============================================================ */

.demos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.demo-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.6rem 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
  overflow: hidden;
}
.demo-card:hover {
  border-color: var(--border-hi);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.demo-head { display: flex; flex-direction: column; gap: 0.45rem; }
.demo-tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.25);
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.2rem;
}
.demo-head h3 {
  font-size: 1.1rem;
  letter-spacing: -0.015em;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}
.demo-head p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}
.demo-head p em { color: var(--text); font-style: italic; }

.demo-stage {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 0.4rem;
}

/* SVG canvas */
.demo-stage > svg {
  width: 100%;
  height: auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: block;
  color: var(--text);
  touch-action: none;
}
[data-theme="light"] .demo-stage > svg { background: rgba(0,0,0,0.025); }

/* Background grid lines inside SVGs */
.demo-grid line {
  stroke: var(--border);
  stroke-width: 1;
  stroke-dasharray: 2 4;
  opacity: 0.6;
}

/* Regression / KMeans points */
#reg-points circle,
#km-points circle,
#bv-points circle {
  fill: var(--accent);
  stroke: rgba(255, 107, 53, 0.5);
  stroke-width: 1;
  filter: drop-shadow(0 0 4px rgba(255, 107, 53, 0.4));
}
#km-centroids circle {
  fill: var(--accent-2);
  stroke: white;
  stroke-width: 1.5;
  filter: drop-shadow(0 0 6px rgba(247, 37, 133, 0.5));
}
#km-centroids text {
  font-family: var(--mono);
  font-size: 11px;
  fill: white;
  font-weight: 600;
}

/* Stat readout — pill row showing slope / R² / etc. */
.demo-readout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.demo-readout > div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.55rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.demo-readout .k {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.demo-readout .v {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.demo-actions .btn {
  padding: 0.5rem 0.95rem;
  font-size: 0.82rem;
  border-radius: 8px;
  min-height: 36px;
}

/* Range slider — used in K-Means K, CM threshold, BV degree */
.demo-slider {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  flex: 1;
  min-width: 100px;
  height: 22px;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: var(--border-hi);
  border-radius: 999px;
}
input[type="range"]::-moz-range-track {
  height: 4px;
  background: var(--border-hi);
  border-radius: 999px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  margin-top: -7px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--grad-warm);
  border: 2px solid var(--bg);
  box-shadow: 0 0 12px -2px rgba(255, 107, 53, 0.6);
  cursor: grab;
  transition: transform 0.18s ease;
}
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.18); cursor: grabbing; }
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ff6b35;
  border: 2px solid var(--bg);
  box-shadow: 0 0 12px -2px rgba(255, 107, 53, 0.6);
  cursor: grab;
}
input[type="range"]:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Demo 2: bandit --- */
.bandit-arms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.6rem;
}
.bandit-arm {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.4rem;
  padding: 0.85rem 0.7rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.bandit-arm:hover { border-color: var(--accent); background: var(--surface-hi); transform: translateY(-2px); }
.bandit-arm:active { transform: translateY(0); }
.bandit-arm-name { font-weight: 600; letter-spacing: 0.04em; }
.bandit-arm-bar {
  height: 4px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.bandit-arm-bar > span {
  display: block;
  height: 100%;
  background: var(--grad-warm);
  transition: width 0.4s ease;
}
.bandit-arm-stats {
  font-size: 0.66rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}
.bandit-arm.is-best { box-shadow: 0 0 0 1px var(--accent-lime); }
.bandit-arm-truth {
  display: none;
  font-size: 0.66rem;
  color: var(--accent-lime);
}
.bandit-arm.is-revealed .bandit-arm-truth { display: block; }

.bandit-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.bandit-score {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.6rem 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.bandit-score > span {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.bandit-score strong { color: var(--accent); font-size: 1.05rem; font-weight: 600; }

/* --- Demo 4: confusion matrix --- */
#cm-hist rect {
  fill: var(--accent);
  opacity: 0.7;
}
#cm-hist rect.is-neg { fill: var(--accent-cyan); }
#cm-thresh-label { fill: var(--text); font-family: var(--mono); }
.cm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}
.cm-cell {
  position: relative;
  padding: 0.8rem 0.9rem;
  border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--mono);
}
.cm-cell > span {
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.cm-cell > strong {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
}
.cm-cell.tp { background: rgba(201, 248, 107, 0.08); border-color: rgba(201, 248, 107, 0.3); }
.cm-cell.tp > strong { color: var(--accent-lime); }
.cm-cell.tn { background: rgba(0, 217, 245, 0.06); border-color: rgba(0, 217, 245, 0.25); }
.cm-cell.tn > strong { color: var(--accent-cyan); }
.cm-cell.fp { background: rgba(247, 37, 133, 0.06); border-color: rgba(247, 37, 133, 0.25); }
.cm-cell.fp > strong { color: var(--accent-2); }
.cm-cell.fn { background: rgba(255, 107, 53, 0.08); border-color: rgba(255, 107, 53, 0.25); }
.cm-cell.fn > strong { color: var(--accent); }

/* --- Demo 5: A/B test --- */
.ab-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.ab-variant {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.ab-variant > label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.ab-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.ab-row input[type="number"] {
  width: 90px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.55rem;
  font: 500 0.85rem var(--mono);
  text-align: right;
}
.ab-row input[type="number"]:focus { outline: none; border-color: var(--accent); background: var(--surface-hi); }
.ab-rate {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-top: 0.3rem;
  border-top: 1px solid var(--border);
}
.ab-rate strong { color: var(--accent); margin-left: 0.25rem; }
.ab-verdict {
  padding: 0.7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.92rem;
  text-align: center;
  color: var(--text);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.ab-verdict.is-significant { border-color: rgba(201, 248, 107, 0.4); background: rgba(201, 248, 107, 0.06); color: var(--accent-lime); }
.ab-verdict.is-not-significant { border-color: rgba(247, 37, 133, 0.3); background: rgba(247, 37, 133, 0.05); color: var(--accent-2); }

/* --- Demo 6: bias / variance --- */
#bv-truth { color: var(--text-faint); }
#bv-points circle { fill: var(--accent-cyan); stroke: rgba(0, 217, 245, 0.5); filter: drop-shadow(0 0 4px rgba(0, 217, 245, 0.3)); }

/* Mobile */
@media (max-width: 900px) {
  .demos-grid { grid-template-columns: 1fr; gap: 1.1rem; }
  .demo-card { padding: 1.2rem 1.2rem 1.1rem; }
  .demo-readout { grid-template-columns: repeat(2, 1fr); }
  .demo-readout > div { padding: 0.5rem 0.6rem; }
  .ab-inputs { grid-template-columns: 1fr; }
  .bandit-meta { grid-template-columns: 1fr; }
  .demo-actions .btn { flex: 1; min-width: 0; }
}
@media (max-width: 480px) {
  .cm-cell > strong { font-size: 1.2rem; }
  .demo-head h3 { font-size: 1rem; }
}

/* Legacy fallback — older blog post pages use bare .theme-toggle and .nav-toggle
   without the .icon-btn class. Style them the same way so they show up. */
.theme-toggle:not(.icon-btn) {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.theme-toggle:not(.icon-btn):hover {
  background: var(--surface-hi);
  color: var(--text);
  border-color: var(--border-hi);
}
.theme-toggle:not(.icon-btn) svg { width: 16px; height: 16px; }

/* Legacy hamburger — three <span> bars, hidden on desktop */
.nav-toggle:not(.icon-btn) {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s;
}
.nav-toggle:not(.icon-btn):hover { background: var(--surface-hi); border-color: var(--border-hi); }
.nav-toggle:not(.icon-btn) span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--text-dim);
  border-radius: 1px;
}

/* ----- Hero ---------------------------------------------------- */
.hero {
  padding: clamp(4rem, 10vh, 7rem) 0 clamp(3rem, 7vh, 5rem);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 1.6rem;
}
.hero-status .pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-lime);
  box-shadow: 0 0 10px var(--accent-lime);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.hero h1 {
  margin-bottom: 1.4rem;
  overflow-anchor: none;
}
.hero h1 .swap-wrap {
  display: inline-block;
  position: relative;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  padding-right: 0.05em;
}
.hero h1 .swap-wrap::after {
  content: '';
  position: absolute;
  right: -0.05em;
  bottom: 0.12em;
  width: 0.04em;
  height: 0.8em;
  background: var(--accent);
  animation: blink 1.1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--text-dim);
  max-width: 52ch;
  margin-bottom: 2.2rem;
  line-height: 1.55;
}
.hero-cta-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2.4rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.18s, box-shadow 0.2s, background 0.18s;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-warm);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(255,107,53,0.6); }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-hi); border-color: var(--border-hi); }
.btn-gradient {
  background: var(--grad-warm);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-gradient:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(255,107,53,0.6); }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

.hero-meta {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 1.6rem;
  border-top: 1px solid var(--border);
}
.hero-meta-item {
  font-size: 0.85rem;
}
.hero-meta-item .label {
  display: block;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.hero-meta-item .value { color: var(--text); font-weight: 500; }
.hero-meta-item .value a { border-bottom: 1px solid var(--border-hi); }
.hero-meta-item .value a:hover { color: var(--accent); }

.hero-portrait {
  position: relative;
  aspect-ratio: 1/1.2;
  max-width: 400px;
  margin-left: auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform: rotate(1.2deg);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hero-portrait:hover { transform: rotate(0deg) scale(1.015); }
.hero-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10,10,16,0.5) 100%);
  pointer-events: none;
  z-index: 1;
}
.hero-portrait::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.7;
}
.hero-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.02) saturate(0.95);
}
.hero-portrait .portrait-tag {
  position: absolute;
  z-index: 2;
  left: 1rem; bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  background: rgba(10,10,16,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: white;
}
.hero-portrait .portrait-tag .pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-lime);
  box-shadow: 0 0 8px var(--accent-lime);
}

.tech-strip {
  margin-top: clamp(3rem, 6vh, 4rem);
  padding: 1.4rem var(--gutter);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  overflow: hidden;
  position: relative;
}
.tech-strip::-webkit-scrollbar { display: none; }
.tech-strip-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
  z-index: 2;
  padding: 0.4rem 1.5rem 0.4rem 0;
  background: linear-gradient(90deg,
    var(--bg) 0%,
    var(--bg) 65%,
    transparent 100%);
}
.tech-strip-track {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, black 4%, black 96%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, black 4%, black 96%, transparent 100%);
}
.tech-strip-items {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}
.tech-strip-items span {
  font-size: 0.9rem;
  color: var(--text-dim);
  white-space: nowrap;
  font-weight: 500;
}

/* ----- Bento — Work ------------------------------------------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 1rem;
}
.bento-card {
  position: relative;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.6rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.bento-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hi);
  background: var(--surface-2);
}
.bento-card .b-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.bento-card h3 {
  margin: 0.1rem 0 0.2rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.bento-card p { font-size: 0.93rem; line-height: 1.55; flex: 1; }
.bento-card .b-outcome {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text);
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
  line-height: 1.4;
}
.bento-card .b-outcome::before { content: '→ '; color: var(--accent); font-style: normal; }

.bento-card.b-feature {
  grid-column: span 4;
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface) 100%);
}
.bento-card.b-feature::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-lg);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.bento-card.b-tall {
  grid-column: span 2;
  grid-row: span 2;
}
.bento-card.b-half  { grid-column: span 3; }
.bento-card.b-third { grid-column: span 2; }

.bento-stats {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0.6rem;
  margin-top: auto;
  border-top: 1px solid var(--border);
}
.bento-stats .stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
}
.bento-stats .stat-num {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--accent);
}
.bento-stats .stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.bento-illus {
  position: absolute;
  inset: auto -10% -10% auto;
  width: 60%;
  opacity: 0.18;
  pointer-events: none;
}
.bento-illus svg, .bento-illus img { width: 100%; height: auto; }

/* ----- Services ----------------------------------------------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
@media (max-width: 900px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 580px) {
  .svc-grid { grid-template-columns: 1fr; }
}
.svc-card {
  position: relative;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.8rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.svc-card:hover { transform: translateY(-3px); border-color: var(--border-hi); background: var(--surface-2); }
.svc-card.featured {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255,107,53,0.18), transparent 70%),
    linear-gradient(180deg, rgba(247,37,133,0.04) 0%, var(--surface) 70%);
  box-shadow: 0 8px 32px -12px rgba(255,107,53,0.15);
}
.svc-card.featured:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 16px 48px -12px rgba(255,107,53,0.25);
}
.svc-card.featured::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-lg);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.8;
}
.svc-card.featured:hover::after { opacity: 1; }
.svc-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
}
.svc-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.svc-card.featured .svc-icon { background: var(--grad-warm); color: white; border-color: transparent; }
.svc-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.svc-pill {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: rgba(255,107,53,0.1);
  border: 1px solid rgba(255,107,53,0.25);
}
.svc-card h3 { font-size: 1.35rem; letter-spacing: -0.02em; }
.svc-card p { font-size: 0.93rem; }
.svc-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.svc-list li {
  font-size: 0.88rem;
  color: var(--text-dim);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  line-height: 1.45;
}
.svc-list li::before {
  content: '';
  flex-shrink: 0;
  margin-top: 0.55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.svc-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: auto;
}
.svc-price {
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--text);
  font-weight: 500;
}
.svc-price .unit { font-size: 0.75rem; color: var(--text-faint); margin-left: 0.2rem; }
.svc-cta {
  font-size: 0.85rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.18s ease;
}
.svc-cta:hover { gap: 0.55rem; }

/* ----- Process ------------------------------------------------ */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 6%; right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-hi) 15%, var(--border-hi) 85%, transparent 100%);
}
.process-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-top: 56px;
}
.process-step .num {
  position: absolute;
  top: 0; left: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-hi);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  z-index: 1;
}
.process-step h4 { font-size: 1rem; letter-spacing: -0.01em; }
.process-step p { font-size: 0.85rem; line-height: 1.5; }

/* ----- Testimonials ------------------------------------------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.quote-card {
  position: relative;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.8rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.quote-card:hover { transform: translateY(-3px); border-color: var(--border-hi); }
.quote-card .q-mark {
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 0.6;
  color: var(--accent);
  font-style: italic;
}
.quote-card blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.06rem;
  color: var(--text);
  line-height: 1.5;
  flex: 1;
}
.q-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.q-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad-warm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.q-meta { display: flex; flex-direction: column; gap: 0.05rem; min-width: 0; }
.q-meta .name { font-size: 0.92rem; font-weight: 500; color: var(--text); }
.q-meta .role { font-size: 0.78rem; color: var(--text-faint); }

/* ----- Track record ------------------------------------------- */
.record {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.record-card {
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.record-num {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.record-label { font-size: 0.92rem; color: var(--text); font-weight: 500; }
.record-sub { font-size: 0.8rem; color: var(--text-faint); }

/* ----- Atlas teaser ------------------------------------------- */
.atlas-teaser {
  position: relative;
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  padding: clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  overflow: hidden;
}
.atlas-teaser::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
}
.atlas-copy h3 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 0.8rem; letter-spacing: -0.025em; }
.atlas-copy p { margin-bottom: 1.5rem; }
.atlas-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.6rem;
}
.atlas-stat .n {
  font-family: var(--serif);
  font-size: 2rem;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}
.atlas-stat .l {
  display: block;
  font-size: 0.8rem;
  color: var(--text-faint);
  font-family: var(--mono);
  letter-spacing: 0.06em;
}
.atlas-map {
  position: relative;
  aspect-ratio: 16/11;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
}
.atlas-map img { width: 100%; height: auto; opacity: 0.85; filter: hue-rotate(-15deg) saturate(0.7); }

/* ============================================================
   Constellation map · faint stardust continents + glowing pins
   ============================================================ */

.constellation {
  position: relative;
  width: 100%;
  aspect-ratio: 2.4 / 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 30% 30%, rgba(255,107,53,0.08), transparent 60%),
    radial-gradient(ellipse 70% 70% at 80% 70%, rgba(114,9,183,0.08), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
}
.constellation::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.constellation svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.constellation .map-continents circle {
  fill: var(--text);
  opacity: 0.07;
}
[data-theme="light"] .constellation .map-continents circle { opacity: 0.18; }

.constellation .map-pins,
.constellation .pin text,
.constellation .pin circle { display: none; }

.cpin {
  position: absolute;
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--grad-warm);
  box-shadow: 0 0 0 0 rgba(255,107,53,0.55);
  cursor: pointer;
  z-index: 2;
  animation: cpin-pulse 2.6s ease-out infinite;
}
.cpin::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,53,0.45), transparent 70%);
  filter: blur(2px);
  pointer-events: none;
}
.cpin.is-home {
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  box-shadow: 0 0 0 0 rgba(247,37,133,0.7);
}
.cpin.is-home::after {
  content: '';
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid rgba(255,107,53,0.4);
  animation: cpin-ring 3.4s ease-out infinite;
}
@keyframes cpin-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,107,53,0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(255,107,53,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,107,53,0); }
}
@keyframes cpin-ring {
  0%   { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.cpin:hover { transform: scale(1.25); transition: transform 0.18s ease; z-index: 5; }

.cpin-label {
  position: absolute;
  z-index: 6;
  transform: translate(-50%, calc(-100% - 18px));
  background: rgba(10,10,16,0.92);
  color: var(--text);
  border: 1px solid var(--border-hi);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  display: inline-flex; align-items: center; gap: 0.4rem;
  box-shadow: var(--shadow);
}
.cpin-label.show { opacity: 1; }
[data-theme="light"] .cpin-label { background: rgba(250,250,247,0.95); }

.constellation-legend {
  position: absolute;
  bottom: 0.8rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  pointer-events: none;
}
.constellation-legend .item { display: inline-flex; align-items: center; gap: 0.45rem; }
.constellation-legend .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad-warm);
  box-shadow: 0 0 8px rgba(255,107,53,0.6);
}
.constellation-legend .dot.home {
  background: var(--accent-2);
  box-shadow: 0 0 8px rgba(247,37,133,0.6);
}

@media (max-width: 640px) {
  .constellation { aspect-ratio: 2.4 / 1; }
  .cpin { width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; }
  .cpin.is-home { width: 14px; height: 14px; margin: -7px 0 0 -7px; }
  .constellation-legend { font-size: 0.62rem; gap: 0.7rem; bottom: 0.35rem; left: 0.5rem; right: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cpin, .cpin.is-home::after { animation: none; }
}

/* Legacy country pill cloud (kept as a fallback layout) */
.atlas-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-content: center;
  padding: 0.4rem;
}
.flag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  cursor: default;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.22s, background 0.22s;
}
.flag-pill:hover {
  transform: translateY(-2px);
  border-color: var(--border-hi);
  background: var(--surface-hi);
}
.flag-pill .emoji {
  font-size: 1.1rem;
  line-height: 1;
}

/* On the travel page the pill cloud takes the place of the world map */
.atlas-cloud {
  margin: 2.4rem auto;
  padding: 2rem clamp(1.4rem, 3vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  max-width: var(--container);
  position: relative;
  overflow: hidden;
}
.atlas-cloud::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
}
.atlas-cloud-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}
.atlas-cloud-head h3 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin: 0;
  font-weight: 600;
}
.atlas-cloud-head .count {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}
.atlas-cloud .atlas-flags { gap: 0.6rem; padding: 0; }
.atlas-cloud .flag-pill {
  padding: 0.6rem 1rem;
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .atlas-flags { gap: 0.4rem; }
  .flag-pill { padding: 0.5rem 0.8rem; font-size: 0.85rem; }
  .atlas-cloud { padding: 1.4rem 1.2rem; }
}

/* ----- Contact ------------------------------------------------- */
.contact {
  text-align: center;
  padding: clamp(3rem, 6vh, 5rem) var(--gutter);
  border-radius: var(--r-xl);
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(255,107,53,0.22), transparent 60%),
    radial-gradient(ellipse 70% 80% at 50% 100%, rgba(114,9,183,0.18), transparent 60%),
    linear-gradient(135deg, rgba(255,107,53,0.1) 0%, rgba(247,37,133,0.06) 50%, rgba(114,9,183,0.1) 100%);
  border: 1px solid var(--border-hi);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.contact h2 { margin-bottom: 1rem; }
.contact p { max-width: 50ch; margin: 0 auto 1.8rem; font-size: 1.05rem; }
.contact-row {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
}
.contact-meta {
  margin-top: 1.6rem;
  display: flex;
  gap: 1.6rem;
  justify-content: center;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}
.contact-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }

/* ----- Footer -------------------------------------------------- */
.footer {
  margin-top: var(--section-y);
  padding: 2.5rem var(--gutter) 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-links a:hover { color: var(--text); }

/* ----- Mobile -------------------------------------------------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 380px; margin: 0 auto; }
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .bento-card.b-feature, .bento-card.b-tall, .bento-card.b-half, .bento-card.b-third { grid-column: span 2; grid-row: auto; }
  .svc-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process::before { display: none; }
  .quotes { grid-template-columns: 1fr; }
  .record { grid-template-columns: repeat(2, 1fr); }
  .atlas-teaser { grid-template-columns: 1fr; gap: 1.6rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    right: 0;
    flex-direction: column;
    align-items: flex-end;
    background: rgba(10,10,16,0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 0.5rem;
    min-width: 220px;
    margin: 0.5rem;
    gap: 0.2rem;
  }
  [data-theme="light"] .nav-links.open { background: rgba(250,250,247,0.97); }
  .nav-links.open a { width: 100%; text-align: right; padding: 0.75rem 1rem; min-height: 44px; display: inline-flex; align-items: center; justify-content: flex-end; }
  .nav-links.open .nav-cta { background: var(--accent); color: white; border-radius: 999px; box-shadow: 0 2px 12px rgba(255,107,53,0.3); }
  .nav-toggle { display: inline-flex; }
  .nav-toggle:not(.icon-btn) { display: flex; }
  .bento { grid-template-columns: 1fr; }
  .bento-card.b-feature, .bento-card.b-tall, .bento-card.b-half, .bento-card.b-third { grid-column: 1; grid-row: auto; }
  .process { grid-template-columns: 1fr; }
  .record { grid-template-columns: 1fr 1fr; }
  .hero-meta { flex-direction: column; gap: 1rem; }
  .btn { width: 100%; justify-content: center; min-height: 44px; }
  .hero-cta-row .btn { min-height: 48px; }
  .contact-row { flex-direction: column; }
  .footer { flex-direction: column; align-items: flex-start; text-align: left; }
  .icon-btn { width: 44px; height: 44px; }
  .demo-actions .btn { min-height: 44px; }
  .nav-tools { gap: 0.3rem; }
  .nav { padding: 0.85rem var(--gutter); }
}

/* ----- Reduced motion ----------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ----- Blog page styles (preserved for /blog/*) ---------------- */
.blog-switch {
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin: 0 0 2.5rem;
}
.blog-switch a {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--text-dim);
  transition: background 0.22s, color 0.22s, transform 0.22s;
}
.blog-switch a:hover { color: var(--text); transform: translateY(-1px); }
.blog-switch a.active {
  background: var(--grad-warm);
  color: white;
  box-shadow: 0 0 16px -4px rgba(255,107,53,0.5);
}

.travel-map {
  position: relative;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.travel-map-slot { position: relative; min-height: 200px; }
.travel-map img { width: 100%; height: auto; opacity: 0.78; filter: hue-rotate(-15deg) saturate(0.75) brightness(1.1); }
.travel-map-fallback { display: block; }
.map-tooltip {
  position: absolute;
  pointer-events: none;
  padding: 0.5rem 0.8rem;
  background: rgba(10,10,16,0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  color: var(--text);
  z-index: 10;
  opacity: 0;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.map-tooltip.show { opacity: 1; }
.map-legend {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.map-legend-item { display: inline-flex; align-items: center; gap: 0.5rem; }
.map-legend-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--text-faint);
}
.map-legend-dot.has-post { background: var(--accent); box-shadow: 0 0 8px var(--accent); }

.post-article {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--gutter) var(--section-y);
}
.post-article h1 { margin-bottom: 1rem; }
.post-article h2 { margin: 2.4rem 0 1rem; font-size: 1.6rem; }
.post-article h3 { margin: 2rem 0 0.8rem; font-size: 1.25rem; }
.post-article p { margin-bottom: 1.2rem; font-size: 1.04rem; color: var(--text); line-height: 1.7; }
.post-article a { color: var(--accent); border-bottom: 1px solid rgba(255,107,53,0.3); }
.post-article a:hover { border-bottom-color: var(--accent); }

/* ============================================================
   Blog post article body — used by every page under /blog/*.html
   The article uses <article class="post"> with optional .post-cover,
   .post-meta, .post-back, and standard h1/h2/p/ul/blockquote inside.
   ============================================================ */

.post {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 5vh, 3.5rem) var(--gutter) var(--section-y);
  position: relative;
}
.post-cover {
  margin: 0 calc(var(--gutter) * -1) 2.4rem;
  border-radius: 0;
  overflow: hidden;
  position: relative;
}
.post-cover-illustrated {
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(255,107,53,0.10), transparent 60%),
    var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.country-cover-svg,
.post-cover svg,
.post-cover img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
}
.post-cover svg [stroke="#b4513a"],
.post-cover svg [stroke="#1f1812"] {
  stroke: currentColor;
}
.post-cover svg {
  color: var(--accent);
  opacity: 0.95;
}
[data-theme="light"] .post-cover-illustrated { background: var(--surface); }
@media (min-width: 720px) {
  .post-cover {
    margin-left: 0;
    margin-right: 0;
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
  }
  .post-cover-illustrated { border-top: 0; border-bottom: 0; }
}

.post > h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 0.8rem;
  font-weight: 700;
}
.post .vinohrady-eyebrow,
.post .post-eyebrow,
.post-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin-bottom: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.post-meta .tag,
.post-meta a { color: var(--accent); }
.post-meta .tag { margin-right: 0.1rem; }
/* Override the constellation .dot rule (a circle) for the textual bullet in post-meta */
.post-meta .dot {
  width: auto;
  height: auto;
  background: none;
  box-shadow: none;
  border-radius: 0;
  color: var(--text-faint);
  display: inline;
  opacity: 0.6;
}

.post h2 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 2.4rem 0 0.9rem;
  font-weight: 600;
}
.post h3 {
  font-size: 1.2rem;
  letter-spacing: -0.015em;
  margin: 1.8rem 0 0.7rem;
  font-weight: 600;
}
.post p {
  font-size: 1.04rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 1.2rem;
}
.post ul, .post ol {
  margin: 0 0 1.4rem;
  padding-left: 1.4rem;
  color: var(--text);
}
.post ul { list-style: disc; }
.post ol { list-style: decimal; }
.post li {
  font-size: 1.02rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}
.post li::marker { color: var(--text-faint); }
.post a {
  color: var(--accent);
  border-bottom: 1px solid rgba(255,107,53,0.3);
  transition: border-bottom-color 0.18s ease;
}
.post a:hover { border-bottom-color: var(--accent); }
.post strong { color: var(--text); font-weight: 600; }
.post em { color: var(--text); font-style: italic; }
.post blockquote {
  margin: 1.6rem 0;
  padding: 0.9rem 1.3rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--text);
  font-style: italic;
}
.post hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hi), transparent);
  margin: 2.4rem 0;
}
.post code {
  font-family: var(--mono);
  font-size: 0.92em;
  padding: 0.12em 0.36em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
}
.post pre {
  margin: 1.4rem 0;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.55;
}
.post pre code {
  padding: 0;
  background: none;
  border: 0;
  font-size: inherit;
}
.post img:not(.country-cover-svg) {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  margin: 1.6rem 0;
  border: 1px solid var(--border);
}
.post table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6rem 0;
  font-size: 0.94rem;
}
.post th, .post td {
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.post th { color: var(--text-faint); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2.4rem;
  padding: 0.55rem 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  border-bottom: 1px solid var(--border);
  transition: background 0.18s, color 0.18s, transform 0.18s, border-color 0.18s;
}
.post-back:hover {
  background: var(--surface-hi);
  color: var(--text);
  border-color: var(--border-hi);
  transform: translateX(-2px);
  border-bottom: 1px solid var(--border-hi);
}

@media (max-width: 640px) {
  .post { padding-top: 1.6rem; }
  .post > h1 { font-size: clamp(1.7rem, 6vw, 2.2rem); }
  .post h2 { font-size: 1.3rem; }
  .post h3 { font-size: 1.1rem; }
  .post p, .post li { font-size: 1rem; }
}
.post-meta {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 2rem;
}

.section-head .section-label,
.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.section-title .accent { color: var(--accent); }
.section-lede {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 56ch;
  margin-bottom: 2.5rem;
}

.nav-logo .logo-dot { display: none; }
.nav-logo .logo-text { font-weight: 600; }
.nav-logo .logo-accent { color: var(--accent); }
.footer-compact {
  margin-top: var(--section-y);
  padding: 2rem var(--gutter);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer-compact .links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-compact a:hover { color: var(--text); }

.bg-orb { display: none; }
#scroll-progress { display: none; }
#cursor-glow { display: none; }

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

/* ============================================================
   Motion · v2 polish
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: 0.07s; }
.reveal[data-delay="2"] { transition-delay: 0.14s; }
.reveal[data-delay="3"] { transition-delay: 0.21s; }
.reveal[data-delay="4"] { transition-delay: 0.28s; }
.reveal[data-delay="5"] { transition-delay: 0.35s; }

.section-num {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
}
.section-num .n { color: var(--accent); font-weight: 600; }
.section-num .line { display: inline-block; width: 32px; height: 1px; background: var(--border-hi); }

.hero h1 .swap-wrap { background-size: 200% 200%; animation: gradient-shift 6s ease-in-out infinite; }
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

body::before { animation: orb-drift 22s ease-in-out infinite alternate; }
@keyframes orb-drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-2%, 1%) scale(1.04); }
  100% { transform: translate(2%, -1%) scale(0.98); }
}

.bento-card::before,
.svc-card::before,
.quote-card::before,
.record-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(255,107,53,0.10), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.bento-card:hover::before,
.svc-card:hover::before,
.quote-card:hover::before,
.record-card:hover::before { opacity: 1; }

.record-num { display: inline-block; background-size: 200% 200%; animation: gradient-shift 8s ease-in-out infinite; }

.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1rem auto;
  max-width: 720px;
  padding: 0 var(--gutter);
  color: var(--text-faint);
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hi), transparent);
}
.divider span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.bento-card .b-outcome strong { color: var(--accent); font-weight: 600; font-style: normal; }

.tech-strip-items span { position: relative; transition: color 0.2s ease; }
.tech-strip-items span:hover { color: var(--accent); }

.btn-gradient { position: relative; overflow: hidden; }
.btn-gradient::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-gradient:hover::after { transform: translateX(100%); }

/* Hero portrait — gentle float */
@keyframes float-bob {
  0%, 100% { transform: rotate(1.2deg) translateY(0); }
  50%      { transform: rotate(1.2deg) translateY(-6px); }
}
.hero-portrait { animation: float-bob 5.5s ease-in-out infinite; }
.hero-portrait:hover { animation: none; }

/* Section title — animated underline that grows in on reveal */
.section-head h2 {
  position: relative;
}
.section-head h2::after {
  content: '';
  position: absolute;
  left: 0; bottom: -0.6rem;
  height: 3px;
  width: 0;
  background: var(--grad-warm);
  border-radius: 999px;
  transition: width 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.25s;
}
.section-head.is-in h2::after { width: 64px; }
.section-head .section-num { display: flex; }
.section-head .section-eyebrow { display: inline-flex; }

/* Tech strip — slow auto-scroll on desktop only, paused on hover */
@keyframes tech-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (min-width: 921px) and (prefers-reduced-motion: no-preference) {
  .tech-strip-items {
    animation: tech-scroll 40s linear infinite;
    width: max-content;
  }
  .tech-strip:hover .tech-strip-items { animation-play-state: paused; }
}

/* Bento card outcome arrow — animated nudge */
.bento-card .b-outcome::before {
  display: inline-block;
  transition: transform 0.25s ease;
}
.bento-card:hover .b-outcome::before { transform: translateX(4px); }

/* Tag chip — pulse highlight on first reveal */
.bento-card .b-tag,
.svc-pill {
  position: relative;
}
.bento-card.is-in .b-tag::after,
.is-in .svc-pill::after {
  content: '';
  position: absolute;
  inset: -2px -4px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0;
  animation: tag-pulse 1.6s ease-out 0.3s 1;
  pointer-events: none;
}
@keyframes tag-pulse {
  0%   { opacity: 0.3; transform: scale(0.85); }
  100% { opacity: 0; transform: scale(1.4); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  body::before { animation: none; }
  .hero h1 .swap-wrap, .record-num { animation: none; }
  .hero-portrait { animation: none; }
  .tech-strip-items { animation: none; }
  .bento-card.is-in .b-tag::after, .is-in .svc-pill::after { animation: none; }
}

/* ============================================================
   Blog & travel pages — overrides for inline-defined classes
   ============================================================ */

.blog-section { margin-bottom: 4rem; max-width: var(--container); margin-left: auto; margin-right: auto; padding: 0 var(--gutter); }
.blog-section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 1.4rem; gap: 1rem; flex-wrap: wrap;
}
.blog-section-head h3 {
  margin: 0; font-size: 1.4rem; letter-spacing: -0.015em; font-weight: 600;
}
.blog-section-head .count {
  font-family: var(--mono);
  font-size: 0.74rem; color: var(--text-faint);
  letter-spacing: 0.06em;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 1.1rem;
}
.post-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.4rem 1.5rem;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s, background 0.25s;
  display: block;
  overflow: hidden;
}
.post-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), rgba(255,107,53,0.08), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.post-card:hover { transform: translateY(-3px); border-color: var(--border-hi); background: var(--surface-2); }
.post-card:hover::before { opacity: 1; }
.post-card-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin-bottom: 0.55rem;
}
.post-card-meta .tag { color: var(--accent); }
.post-card h4 { margin: 0 0 0.45rem; font-size: 1.05rem; line-height: 1.35; padding-right: 1.6rem; font-weight: 600; letter-spacing: -0.01em; }
.post-card p { margin: 0; color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; }
.post-card-arrow {
  position: absolute; top: 1.4rem; right: 1.4rem;
  opacity: 0.4; color: var(--accent);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.post-card:hover .post-card-arrow { opacity: 1; transform: translate(3px, -3px); }

/* Category tint variants (used on blog/index.html) */
.cat-ai .post-card-meta .tag { color: var(--accent-cyan); }
.cat-foresight .post-card-meta .tag { color: var(--accent-lime); }
.cat-travel .post-card-meta .tag { color: var(--accent); }

/* Section heading on travel/blog pages */
.section { max-width: var(--container); margin-left: auto; margin-right: auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.section-head .section-label { color: var(--accent); }

/* Travel map polish */
.travel-map {
  position: relative;
  margin: 2.4rem auto;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  max-width: var(--container);
}
.travel-map::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.4;
}

/* Mobile tweaks for blog/travel */
@media (max-width: 640px) {
  .blog-section { padding: 0 var(--gutter); }
  .post-card { padding: 1.2rem 1.25rem; }
  .post-card h4 { font-size: 1rem; padding-right: 1.4rem; }
  .blog-section-head h3 { font-size: 1.2rem; }
  .travel-map { padding: 1rem; margin: 1.6rem auto; }
  .map-legend { gap: 1rem; font-size: 0.75rem; }
}

/* ============================================================
   Motion · v3 polish — restrained interactions
   ============================================================ */

/* 1 · Scroll progress bar — thin gradient line at top */
#scroll-progress {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--grad-warm);
  z-index: 200;
  pointer-events: none;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px -2px rgba(255,107,53,0.6);
}
@media (prefers-reduced-motion: reduce) {
  #scroll-progress { transition: none; }
}

/* 2 · Nav scrolled state — gains shadow + slightly tighter padding */
.nav {
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease, border-color 0.25s ease;
}
.nav.is-scrolled {
  background: rgba(10,10,16,0.82);
  box-shadow: 0 1px 0 var(--border), 0 8px 24px -16px rgba(0,0,0,0.4);
  border-bottom-color: transparent;
}
[data-theme="light"] .nav.is-scrolled {
  background: rgba(250,250,247,0.9);
  box-shadow: 0 1px 0 var(--border), 0 8px 24px -16px rgba(0,0,0,0.08);
}

/* 3 · Nav-link underline sweep on hover + active-section indicator */
.nav-links a {
  position: relative;
  background: transparent !important;
}
.nav-links a::before {
  content: '';
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.32rem;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
  opacity: 0.85;
}
.nav-links a:hover::before,
.nav-links a:focus-visible::before,
.nav-links a.is-active::before { transform: scaleX(1); }
.nav-links a.is-active { color: var(--text); }
.nav-cta::before { display: none; }

@media (max-width: 640px) {
  .nav-links a::before { display: none; }
}

/* 4 · Logo mark — subtle lift + halo on hover */
.nav-logo .logo-mark {
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.28s ease;
}
.nav-logo:hover .logo-mark {
  transform: rotate(-4deg) scale(1.06);
  box-shadow: 0 0 18px -2px rgba(255,107,53,0.55), var(--shadow-glow);
}
.nav-logo span:not(.logo-mark) {
  transition: letter-spacing 0.28s ease;
}
.nav-logo:hover span:not(.logo-mark) { letter-spacing: 0.005em; }

/* 5 · Page-load fade — gentle ease-in on first paint */
@keyframes page-fade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: no-preference) {
  body {
    animation: page-fade 0.42s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }
}

/* 6 · Inline link underline animation — for body copy links */
.now-section a,
.guide-prose a:not(.btn),
main p a:not(.btn):not(.nav-cta):not(.nav-logo) {
  position: relative;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 1px;
  transition: background-size 0.32s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.2s ease;
  border-bottom: none !important;
  padding-bottom: 2px;
}
.now-section a:hover,
.guide-prose a:not(.btn):hover,
main p a:not(.btn):not(.nav-cta):not(.nav-logo):hover {
  background-size: 100% 1px;
}
@media (prefers-reduced-motion: reduce) {
  .now-section a, .guide-prose a:not(.btn), main p a:not(.btn):not(.nav-cta):not(.nav-logo) {
    transition: none;
    background-size: 100% 1px;
  }
}

/* ============================================================
   Motion · v4 — smooth scroll, section rhythm, depth, transitions
   ============================================================ */

/* 1 · Smooth anchor scroll with sticky-nav offset */
html { scroll-padding-top: 72px; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* 2 · Section divider — quiet gradient line above each main section */
.section { position: relative; }
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(640px, 70%);
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-hi) 40%, var(--border-hi) 60%, transparent 100%);
  opacity: 0.6;
  pointer-events: none;
}
.section.no-divider::before, .section:first-of-type::before { display: none; }

/* 3 · Hero portrait — subtle hover zoom (pauses float-bob) */
.hero-portrait {
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  transform-origin: center center;
}
.hero-portrait:hover {
  animation-play-state: paused;
  transform: rotate(1.2deg) scale(1.035);
}
@media (prefers-reduced-motion: reduce) {
  .hero-portrait:hover { transform: none; }
}

/* 4 · Quote card depth — large background quote mark, parallaxes with cursor */
.quote-card { overflow: hidden; }
.quote-card::after {
  content: '\201C';
  position: absolute;
  top: -2.4rem;
  right: -0.6rem;
  font-family: var(--serif);
  font-size: 11rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
  transform: translate(calc((var(--mx, 50%) - 50%) * -0.05), calc((var(--my, 50%) - 50%) * -0.05));
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease;
}
.quote-card:hover::after { opacity: 0.12; }
.quote-card > * { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) {
  .quote-card::after { transform: none; transition: opacity 0.3s ease; }
}

/* 5 · Floating scroll-to-top button — injected by JS, only renders when visible */
#to-top {
  position: fixed;
  bottom: 1.4rem;
  right: 1.4rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  transform: translateY(8px) scale(0.92);
  pointer-events: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 6px 24px -10px rgba(0,0,0,0.45);
  transition: opacity 0.32s ease, transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
#to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
#to-top:hover {
  background: var(--surface-hi);
  color: var(--accent);
  border-color: var(--accent);
}
#to-top svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
@media (max-width: 640px) {
  #to-top { bottom: 1rem; right: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  #to-top { transition: opacity 0.2s ease; transform: none; }
  #to-top.is-visible { transform: none; }
}

/* 6 · Page transition fade — body fades out on internal navigation */
body.is-leaving {
  opacity: 0;
  transition: opacity 0.22s ease;
}
@media (prefers-reduced-motion: reduce) {
  body.is-leaving { opacity: 1; transition: none; }
}

/* View Transitions API — modern browsers (Chrome/Edge) */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 0.22s;
    animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  }
}