/* =========================================================
   FastBilly — brand system
   Magenta #FF6BD8 · Teal #4FD1C5 · Warm dark #211E24
   Reuses Company of One tokens; extended for hub layout.
   ========================================================= */

:root {
  --brand-magenta: #FF6BD8;
  --brand-teal: #4FD1C5;

  --bg: #211E24;
  --bg-elev: #2A2630;
  --bg-elev-2: #332E3B;
  --text: #FBF3FA;
  --text-body: #E0D6DE;
  --text-muted: #9E96A5;
  --line: rgba(251, 243, 250, 0.10);
  --line-strong: rgba(251, 243, 250, 0.18);
  --card: rgba(255, 255, 255, 0.03);
  --card-hover: rgba(255, 255, 255, 0.055);

  --accent: var(--brand-magenta);
  --accent-2: var(--brand-teal);

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Instrument Serif", "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1120px;
}

html[data-theme="light"] {
  --bg: #FBF3FA;
  --bg-elev: #FFFFFF;
  --bg-elev-2: #F3EAF1;
  --text: #211E24;
  --text-body: #3A3440;
  --text-muted: #6E6577;
  --line: rgba(33, 30, 36, 0.10);
  --line-strong: rgba(33, 30, 36, 0.18);
  --card: rgba(33, 30, 36, 0.025);
  --card-hover: rgba(33, 30, 36, 0.05);
  --shadow: 0 10px 30px rgba(33, 30, 36, 0.08);
}

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

body {
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Subtle top-of-page radial glow */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 70vh;
  background:
    radial-gradient(60% 60% at 30% 20%, rgba(255, 107, 216, 0.12), transparent 60%),
    radial-gradient(50% 50% at 80% 10%, rgba(79, 209, 197, 0.09), transparent 65%);
  pointer-events: none;
  z-index: 0;
  filter: blur(0.5px);
}
html[data-theme="light"] body::before {
  background:
    radial-gradient(60% 60% at 30% 20%, rgba(255, 107, 216, 0.14), transparent 60%),
    radial-gradient(50% 50% at 80% 10%, rgba(79, 209, 197, 0.10), transparent 65%);
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #211E24; padding: 8px 12px;
  font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; z-index: 100; }

.mono { font-family: var(--font-mono); }
.mono-dim { color: var(--text-muted); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 600; letter-spacing: -0.01em;
  font-size: 16.5px;
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 28px; height: 22px;
  color: var(--brand-magenta);
  display: block;
}
.brand-mark.sm { width: 22px; height: 18px; }
.brand.small { font-size: 14.5px; }

.header-right {
  display: inline-flex; align-items: center; gap: 22px;
}
.nav-link {
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.nav-link:hover { color: var(--text); border-bottom-color: var(--accent); }
.nav-cta {
  color: var(--text);
  border: 1px solid var(--line-strong);
  padding: 7px 14px;
  border-radius: 999px;
}
.nav-cta:hover {
  border-color: var(--accent);
  color: var(--text);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
}

.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text-body);
  padding: 6px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--text); }
.theme-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--brand-teal);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--brand-teal) 30%, transparent);
}
html[data-theme="light"] .theme-dot {
  background: var(--brand-magenta);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--brand-magenta) 30%, transparent);
}

@media (max-width: 780px) {
  .nav-link:not(.nav-cta) { display: none; }
  .header-right { gap: 12px; }
}
@media (max-width: 480px) {
  .theme-toggle { display: none; }
}

/* ============ Hero ============ */
.hero { padding: 88px 0 48px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--brand-teal);
  margin-bottom: 18px;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 6.4vw, 78px);
  line-height: 1.03;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0 0 24px;
  max-width: 20ch;
}
.hero-title em { font-style: italic; }
.hero-title .accent { color: var(--accent); font-style: normal; }
.hero-sub {
  font-size: 18px;
  color: var(--text-body);
  max-width: 62ch;
  margin: 0 0 32px;
}

.hero-ctas {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 44px;
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
  cursor: pointer;
}
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-primary {
  background: var(--accent);
  color: #211E24;
}
.btn-primary:hover {
  background: var(--accent-2);
  color: #211E24;
  transform: translateY(-1px);
}
.btn-ghost {
  color: var(--text);
  border-color: var(--line-strong);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}

/* terminal */
.terminal {
  margin-top: 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  max-width: 780px;
  box-shadow: var(--shadow);
}
.terminal-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elev-2);
  border-bottom: 1px solid var(--line);
}
.dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--text-muted);
  display: inline-block;
}
.dot.r { background: #ff5f56; }
.dot.y { background: #ffbd2e; }
.dot.g { background: #27c93f; }
.terminal-title {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.terminal-body {
  margin: 0;
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-body);
  overflow-x: auto;
  white-space: pre;
}
.terminal-body .mono-dim { color: var(--brand-teal); }
.blink {
  display: inline-block;
  background: var(--brand-magenta);
  color: var(--brand-magenta);
  width: 8px; height: 14px;
  vertical-align: middle;
  animation: blink 1s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }

/* ============ Sections ============ */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-elev); }

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--text);
  margin: 0 0 16px;
}
.section-lede {
  font-size: 17.5px;
  color: var(--text-body);
  margin: 0;
}

/* ============ Apps cards ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

.card {
  display: flex; flex-direction: column;
  gap: 12px;
  padding: 22px 22px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text-body);
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
  min-height: 220px;
}
.card:hover:not(.card-static) {
  border-color: var(--accent);
  background: var(--card-hover);
  transform: translateY(-2px);
  color: var(--text-body);
}
.card-tag {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-teal);
}
.card-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}
.card-desc {
  font-size: 14.5px;
  color: var(--text-body);
  margin: 0;
  flex: 1;
}
.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
}
.pill {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--brand-teal) 18%, transparent);
  color: var(--brand-teal);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.pill-soft {
  background: color-mix(in oklab, var(--brand-magenta) 15%, transparent);
  color: var(--brand-magenta);
}

/* ============ Featured card + stats ============ */
.card-featured {
  grid-column: span 2;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--brand-magenta) 8%, transparent) 0%,
    var(--card) 100%);
  border-color: color-mix(in oklab, var(--brand-magenta) 32%, var(--line-strong));
}
@media (max-width: 900px) { .card-featured { grid-column: span 2; } }
@media (max-width: 620px) { .card-featured { grid-column: span 1; } }

.card-stats {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-size: 12px;
  color: var(--text-body);
  padding-top: 4px;
}
.card-stats span { white-space: nowrap; }

/* ============ 10-hour engagement ============ */
.engage-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .engage-inner { grid-template-columns: 1fr; gap: 32px; }
}

.check-list {
  list-style: none; margin: 24px 0 32px; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.check-list li {
  padding-left: 32px;
  position: relative;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.55;
}
.check-list strong { color: var(--text); font-weight: 600; }
.check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--brand-teal) 20%, transparent);
  color: var(--brand-teal);
  font-size: 12px;
  font-weight: 700;
  position: absolute;
  left: 0;
  top: 3px;
}
.engage-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.readout {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-elev-2);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-top: 12px;
  overflow: hidden;
}
.readout-head { margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px dashed var(--line); }
.readout-title {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -0.01em;
}
.readout-meta { font-size: 11px; letter-spacing: 0.12em; margin-top: 6px; }
.readout-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-body);
}
.readout-row > span:nth-child(2) {
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: auto;
}
.readout-row:last-of-type { border-bottom: 0; }
.readout-label { font-size: 10.5px; letter-spacing: 0.16em; color: var(--text-muted); }
.readout-strike { text-decoration: line-through; text-decoration-color: color-mix(in oklab, var(--brand-magenta) 60%, transparent); color: var(--text-muted); }
.readout-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--text-muted) 20%, transparent);
  color: var(--text-body);
  white-space: nowrap;
}
.readout-badge.good { background: color-mix(in oklab, var(--brand-teal) 20%, transparent); color: var(--brand-teal); }
.readout-badge.bad  { background: color-mix(in oklab, var(--brand-magenta) 18%, transparent); color: var(--brand-magenta); }
.readout-badge.open { background: color-mix(in oklab, #ffbd2e 20%, transparent); color: #ffbd2e; }
.readout-foot { padding-top: 12px; margin-top: 8px; border-top: 1px dashed var(--line); font-size: 11px; letter-spacing: 0.08em; }

@media (max-width: 520px) {
  .readout-row { grid-template-columns: 1fr; gap: 4px; }
  .readout-label { margin-top: 4px; }
  .readout-badge { justify-self: start; }
}

/* ============ Events ============ */
.event-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.event {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 22px 4px;
  border-top: 1px solid var(--line);
}
.event:last-child { border-bottom: 1px solid var(--line); }
.event-date {
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 2px;
  border-left: 3px solid var(--accent);
  padding-left: 14px;
}
.event-month { font-size: 11px; letter-spacing: 0.18em; color: var(--brand-teal); }
.event-day {
  font-family: var(--font-serif);
  font-size: 34px;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
}
.event-day-range { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.event-badge {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--brand-teal);
  margin-bottom: 4px;
}
.event-title {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.event-meta { font-size: 12px; letter-spacing: 0.06em; margin-bottom: 6px; }
.event-desc { font-size: 14.5px; margin: 0; color: var(--text-body); max-width: 62ch; }
.event-link {
  color: var(--text-body);
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  white-space: nowrap;
  transition: color 160ms ease, border-color 160ms ease;
}
a.event-link:hover { color: var(--text); border-color: var(--accent); }

@media (max-width: 720px) {
  .event { grid-template-columns: 72px 1fr; gap: 18px; }
  .event-link { grid-column: 1 / -1; justify-self: start; }
  .event-day { font-size: 28px; }
  .event-title { font-size: 20px; }
}

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}
.bio-facts { display: flex; flex-direction: column; gap: 18px; }
.fact {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--card);
}
.fact-label {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--brand-teal);
  margin-bottom: 8px;
}
.fact-body { font-size: 15px; color: var(--text-body); }
.fact-body strong { color: var(--text); font-weight: 600; }

.chips-wrap { margin-top: 48px; }
.chips-label { font-size: 11px; letter-spacing: 0.16em; margin-bottom: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--text-body);
  font-size: 13px;
  transition: border-color 160ms ease, color 160ms ease;
}
.chip:hover { border-color: var(--accent); color: var(--text); }

/* ============ Writing ============ */
.writing-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}
.writing-item { border-bottom: 1px solid var(--line); }
.writing-item a {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 24px 4px;
  color: var(--text-body);
  transition: background 160ms ease;
  align-items: baseline;
}
.writing-item a:hover {
  background: var(--card-hover);
  color: var(--text-body);
}
.writing-item a:hover .writing-title { color: var(--accent-2); }
.writing-meta {
  display: flex; gap: 10px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.writing-title {
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.15;
  color: var(--text);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  transition: color 160ms ease;
}
.writing-desc {
  font-size: 15px;
  color: var(--text-body);
  margin: 0;
  max-width: 62ch;
}
.writing-cta {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  .writing-item a { grid-template-columns: 1fr; gap: 6px; padding: 20px 4px; }
  .writing-title { font-size: 22px; }
}

/* ============ Contact ============ */
.contact { padding: 96px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 800px) {
  .contact-inner { grid-template-columns: 1fr; gap: 28px; }
}
.contact-actions {
  display: flex; flex-direction: column;
  gap: 18px; align-items: flex-start;
}
.contact-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; }
.contact-links a { color: var(--text-body); }
.contact-links a:hover { color: var(--accent); }

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-meta { font-size: 12px; }