/* HumansRunIt — design tokens (warm light default) */
:root {
  --bg: #f6f3ec;            /* warm off-white, paper-like */
  --bg-1: #efeae0;          /* card surface */
  --bg-2: #e7e0d2;          /* hover */
  --bg-3: #ddd4c2;
  --line: #d9d2c2;
  --line-2: #c8bfac;
  --ink: #1c1b17;           /* warm near-black */
  --ink-2: #4a4740;
  --ink-3: #807a6d;
  --ink-4: #b3ad9e;
  --accent: #2f6b3a;        /* deep forest green */
  --accent-2: #1f4d28;      /* hover/dark */
  --accent-soft: #d4e5cf;   /* tinted bg */
  --accent-ink: #fcfbf6;
  --warn: #b8651b;
  --danger: #b53a2a;
  --hi: #f4dba0;            /* highlighter yellow */

  --font-sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
  --font-serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

#root { min-height: 100vh; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* Theme variants applied via [data-theme] on root */
[data-theme="warm"] {
  --bg: #f6f3ec;
  --bg-1: #efeae0;
  --bg-2: #e7e0d2;
  --bg-3: #ddd4c2;
  --line: #d9d2c2;
  --line-2: #c8bfac;
  --ink: #1c1b17;
  --ink-2: #4a4740;
  --ink-3: #807a6d;
  --ink-4: #b3ad9e;
  --accent: #2f6b3a;
  --accent-2: #1f4d28;
  --accent-soft: #d4e5cf;
  --accent-ink: #fcfbf6;
}
[data-theme="cream"] {
  --bg: #fbf9f3;
  --bg-1: #f4f0e7;
  --bg-2: #ece6d6;
  --bg-3: #e2dac7;
  --line: #e2dac7;
  --line-2: #d0c6ad;
  --ink: #161512;
  --ink-2: #534f47;
  --ink-3: #8b8579;
  --ink-4: #bfb9aa;
  --accent: #2c6e3a;
  --accent-2: #205028;
  --accent-soft: #d8eccd;
  --accent-ink: #fcfaf3;
}
[data-theme="dark"] {
  --bg: #14130f;
  --bg-1: #1c1b16;
  --bg-2: #25241e;
  --bg-3: #2f2d25;
  --line: #2c2a23;
  --line-2: #3a3830;
  --ink: #ece8db;
  --ink-2: #b9b3a1;
  --ink-3: #807b6d;
  --ink-4: #534f45;
  --accent: #8fc06b;
  --accent-2: #b9da9a;
  --accent-soft: #2a3d23;
  --accent-ink: #14130f;
}

/* Utility classes */
.mono { font-family: var(--font-mono); font-feature-settings: 'zero', 'ss01'; }
.serif { font-family: var(--font-serif); }

.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hr-line { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Tag / chip */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-2);
  background: var(--bg-1);
  white-space: nowrap;
}
.tag.tag-accent {
  border-color: color-mix(in oklab, var(--accent) 35%, transparent);
  background: var(--accent-soft);
  color: var(--accent-2);
}
.tag.tag-solid {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}
.btn:hover { background: var(--bg-2); border-color: var(--line-2); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 6px 16px -8px color-mix(in oklab, var(--accent) 60%, transparent);
}
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-ghost { border-color: transparent; }
.btn-ghost:hover { background: var(--bg-2); border-color: var(--line); }
.btn-lg { padding: 14px 22px; font-size: 15px; }
.btn-sm { padding: 6px 10px; font-size: 13px; }

/* Card */
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 140ms ease, background 140ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.card:hover {
  border-color: var(--line-2);
  background: var(--bg-2);
  box-shadow: 0 8px 24px -16px rgba(28, 27, 23, 0.18), 0 2px 6px -2px rgba(28, 27, 23, 0.08);
  transform: translateY(-1px);
}

/* Inputs */
.input, .select, .textarea {
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 120ms ease;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); }

/* Layout */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Section */
.section { padding: 80px 0; border-top: 1px solid var(--line); }
.section-tight { padding: 56px 0; border-top: 1px solid var(--line); }

/* Display + headlines: lean editorial — serif italic for warmth */
h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.022em; color: var(--ink); }
.display {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  padding-bottom: 0.08em;
}
.display-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
}
.h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  padding-bottom: 0.06em;
}
.h3 { font-size: 22px; line-height: 1.25; letter-spacing: -0.012em; font-weight: 500; }

.muted { color: var(--ink-3); }
.dim { color: var(--ink-2); }

/* Grid */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 920px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 60px;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 16px;
}
.nav-logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: 8px;
}
.nav-link {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  color: var(--ink-2);
  font-size: 14px;
  cursor: pointer;
  background: none;
  border: 0;
}
.nav-link:hover { background: var(--bg-2); color: var(--ink); }
.nav-link.active { color: var(--ink); background: var(--bg-2); }
.nav-spacer { flex: 1; }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  color: var(--ink-3);
  font-size: 13px;
}

/* Subtle striped placeholder */
.stripe-placeholder {
  background-image: repeating-linear-gradient(
    45deg,
    var(--bg-2) 0 6px,
    var(--bg-1) 6px 12px
  );
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

/* Avatar */
.avatar {
  border-radius: 999px;
  background: var(--bg-2);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

/* Status dot */
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--ink-4);
}
.status-dot.live { background: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 25%, transparent); }
.status-dot.away { background: var(--warn); }

/* Highlight marker (warm yellow underline behind text) */
.hi-mark {
  background-image: linear-gradient(transparent 60%, var(--hi) 60%, var(--hi) 92%, transparent 92%);
  padding: 0 2px;
}

/* Hand-drawn underline accent */
.scribble {
  position: relative;
  display: inline-block;
}
.scribble::after {
  content: '';
  position: absolute;
  left: -4px;
  right: -4px;
  bottom: -6px;
  height: 8px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 8' preserveAspectRatio='none'><path d='M2 5 Q 50 1, 100 4 T 198 3' stroke='%232f6b3a' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  pointer-events: none;
}
[data-theme="dark"] .scribble::after {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 8' preserveAspectRatio='none'><path d='M2 5 Q 50 1, 100 4 T 198 3' stroke='%238fc06b' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
}

/* Animated underline link */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-2);
  font-weight: 500;
  cursor: pointer;
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 40%, transparent);
  padding-bottom: 1px;
}
.link-arrow:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* Bg pattern */
.dot-grid {
  background-image: radial-gradient(circle at 1px 1px, var(--line-2) 1px, transparent 0);
  background-size: 24px 24px;
}

/* Hero specific */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--bg-1);
}

/* Step number */
.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* Profile-specific */
.spec-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.spec-row:last-child { border-bottom: 0; }
.spec-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 4px;
}

/* Animations */
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 50%, transparent); }
  70% { box-shadow: 0 0 0 8px color-mix(in oklab, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 0%, transparent); }
}
.pulse { animation: pulse-ring 2s infinite; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fade-in 240ms ease-out both; }

/* Density */
[data-density="dense"] .card { padding: 14px; }
[data-density="medium"] .card { padding: 18px; }
[data-density="sparse"] .card { padding: 28px; }

/* Toggle door layout */
.door {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.door-card {
  padding: 32px;
  cursor: pointer;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-1);
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 200ms ease;
  display: flex;
  flex-direction: column;
}
.door-card:hover {
  background: var(--bg-2);
  border-color: var(--line-2);
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -20px rgba(28, 27, 23, 0.25), 0 4px 10px -4px rgba(28, 27, 23, 0.1);
}
.door-card.door-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.door-card.door-primary .door-kicker { color: var(--accent-2); }
.door-card.door-primary .door-body { color: color-mix(in oklab, var(--bg) 75%, transparent); }
.door-card.door-primary:hover {
  background: var(--ink);
  border-color: var(--ink);
}
.door-card .door-cta {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 15px;
  align-self: flex-start;
  border: 1px solid var(--accent);
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 8px 20px -10px color-mix(in oklab, var(--accent) 70%, transparent);
  transition: background 140ms ease, transform 140ms ease;
}
.door-card:hover .door-cta { background: var(--accent-2); transform: translateX(2px); }
.door-card.door-primary .door-cta {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.door-card .door-cta-arrow {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(255,255,255,0.2);
  display: grid;
  place-items: center;
}
@media (max-width: 720px) {
  .door { grid-template-columns: 1fr; }
}

/* Scroll marquee */
.marquee {
  display: flex;
  gap: 16px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 16px;
  animation: marquee 60s linear infinite;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}