/* ---------------------------------------------
   Tokens — mirrors DESIGN.md exactly
--------------------------------------------- */
:root {
  --color-primary: #B98A4E;
  --color-primary-bright: #C99A5E;
  --color-signal-rust: #B4543A;
  --color-growth-teal: #3AC4B9;

  --bg-deep: #182635;
  --surface: #223247;
  --surface-raised: #2B3D54;
  --grid-line: #3A4B60;

  --ink-paper: #EDE8DD;
  --ink-muted: #9FAEBD;

  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --fs-display: clamp(2.25rem, 4vw, 3.375rem);
  --fs-headline: clamp(1.75rem, 3vw, 2.5rem);
  --fs-title: 1.25rem;
  --fs-body: 1rem;
  --fs-label: 0.75rem;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --radius-none: 0;
  --radius-sm: 4px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.25s;

  --z-sticky: 100;
  --z-nav-panel: 90;

  --measure: 68ch;
  --container: 1200px;
}

/* ---------------------------------------------
   Reset & base
--------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--ink-paper);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3, p { margin: 0; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------------------------------------------
   Accessibility utilities
--------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -60px;
  background: var(--color-primary);
  color: var(--bg-deep);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--duration) var(--ease-out);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-sm); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------------------------------------------
   Typography roles
--------------------------------------------- */
.section-headline {
  font-family: var(--font-display);
  font-size: var(--fs-headline);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: balance;
  max-width: 20ch;
}

.section-lead {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-muted);
  max-width: var(--measure);
  margin-top: var(--space-sm);
  text-wrap: pretty;
}

.chart-caption {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  fill: var(--ink-muted);
}

.bar-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  fill: var(--ink-muted);
  text-anchor: middle;
}

/* ---------------------------------------------
   Buttons
--------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--fs-title);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background-color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--bg-deep);
}
.btn--primary:hover,
.btn--primary:focus-visible { background: var(--color-primary-bright); }

.btn--ghost {
  background: transparent;
  color: var(--ink-paper);
  border: 1px solid var(--grid-line);
}
.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: var(--color-primary); color: var(--color-primary); }

.btn--small { padding: 10px 20px; font-size: 0.9375rem; }
.btn--full { width: 100%; }

/* ---------------------------------------------
   Header / Nav
--------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--bg-deep);
  border-bottom: 1px solid var(--grid-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 4vw, 2.25rem);
  white-space: nowrap;
  font-weight: 600;
  color: var(--ink-paper);
}
.wordmark__mark { color: var(--color-primary); display: inline-flex; }
.wordmark__mark svg { width: 0.94em; height: 0.94em; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.primary-nav a:not(.btn) {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink-muted);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}
.primary-nav a:not(.btn):hover,
.primary-nav a:not(.btn):focus-visible { color: var(--ink-paper); border-color: var(--color-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink-paper);
  transition: transform var(--duration) var(--ease-out), opacity var(--duration) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------
   Hero
--------------------------------------------- */
.hero { padding: var(--space-xl) 0 var(--space-lg); }

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.hero__sub {
  margin-top: var(--space-sm);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 42ch;
}

.growth-chart {
  max-width: 560px;
  margin-bottom: var(--space-lg);
}
.growth-chart--full { max-width: none; width: 100%; }
.growth-chart svg { width: 100%; height: auto; display: block; }

.chart-caption--muted { fill: var(--ink-muted); opacity: 0.8; }
.chart-caption--hot { fill: var(--color-primary); font-weight: 600; }

#growthArea { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  #growthArea { opacity: 1; }
}

.content-marker {
  opacity: 0;
  transform: scale(0.4);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}
.content-marker.is-visible { opacity: 1; transform: scale(1); }
@media (prefers-reduced-motion: reduce) {
  .content-marker { transition: none; opacity: 1; transform: scale(1); }
}

.content-marker--rocket { transform: scale(0.2); }
.content-marker--rocket.is-visible { transform: scale(1); }

.rocket-burst line {
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}
.content-marker--rocket.is-visible .rocket-burst line { opacity: 1; }
.content-marker--rocket.is-visible .rocket-burst line:nth-child(1) { transition-delay: 0.1s; }
.content-marker--rocket.is-visible .rocket-burst line:nth-child(2) { transition-delay: 0.16s; }
.content-marker--rocket.is-visible .rocket-burst line:nth-child(3) { transition-delay: 0.16s; }
.content-marker--rocket.is-visible .rocket-burst line:nth-child(4) { transition-delay: 0.22s; }
.content-marker--rocket.is-visible .rocket-burst line:nth-child(5) { transition-delay: 0.22s; }
@media (prefers-reduced-motion: reduce) {
  .content-marker--rocket { transform: scale(1); }
  .rocket-burst line { transition: none; opacity: 1; }
}

.hero-cta__hook {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-primary);
  max-width: 52ch;
  margin-bottom: var(--space-md);
  text-wrap: pretty;
}

.hero-cta__inner {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ---------------------------------------------
   Showcase accordion
--------------------------------------------- */
.showcase__label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-sm);
}

.showcase__list {
  display: flex;
  width: 100%;
  height: 560px;
  overflow: hidden;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2px;
}

.showcase__item {
  position: relative;
  flex: 0 0 16.6667%;
  height: 560px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--grid-line);
  color: var(--ink-paper);
  padding: var(--space-sm);
  box-sizing: border-box;
  transition: flex-basis 0.5s var(--ease-out), border-color var(--duration) var(--ease-out);
}

.showcase__item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, var(--card-tint) 100%);
  pointer-events: none;
}

.showcase__content {
  position: absolute;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: var(--space-sm);
}

.showcase__content h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--card-accent);
}

.showcase__content p {
  font-size: 0.8125rem;
  line-height: 1.5;
  margin: 0;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, max-height 0.3s ease;
}

.showcase__list:hover .showcase__item,
.showcase__list:focus-within .showcase__item { flex-basis: 8%; border-color: var(--grid-line); }

.showcase__list:hover .showcase__item:hover,
.showcase__list:focus-within .showcase__item:focus { flex-basis: 46%; border-color: var(--card-accent); }

.showcase__item:hover p,
.showcase__item:focus p { opacity: 1; max-height: 220px; }

.showcase__item:focus-visible { outline-offset: -3px; }

@media (prefers-reduced-motion: reduce) {
  .showcase__item { transition: none; }
}

@media (max-width: 768px) {
  .showcase__list { flex-direction: column; height: auto; }
  .showcase__item { flex-basis: auto; height: auto; position: static; }
  .showcase__content { position: static; margin-top: var(--space-sm); }
  .showcase__content p { opacity: 1; max-height: none; }
}

.hero__visual svg { width: 100%; height: auto; }

.bar {
  transform-box: fill-box;
  transform-origin: bottom;
  transform: scaleY(0);
  opacity: 0.92;
  transition: transform 0.85s var(--ease-out);
}
.bar-group.is-visible .bar { transform: scaleY(1); }

@media (prefers-reduced-motion: reduce) {
  .bar { transition: none; transform: scaleY(1); }
}

/* ---------------------------------------------
   Engine wall
--------------------------------------------- */
.engine-wall { padding: var(--space-md) 0 var(--space-lg); border-bottom: 1px solid var(--grid-line); }

.engine-wall__label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-sm);
}

.engine-wall__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
}

.engine-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 12px;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink-paper);
  white-space: nowrap;
}
.engine-badge img { opacity: 0.85; flex-shrink: 0; }

@media (max-width: 1024px) {
  .engine-wall__list { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
  .engine-wall__list { grid-template-columns: repeat(2, 1fr); }
  .engine-badge { font-size: 0.75rem; padding: 12px 8px; }
}

/* ---------------------------------------------
   Section rhythm (shared)
--------------------------------------------- */
section:not(.hero):not(.engine-wall):not(.hero-cta) { padding: var(--space-xl) 0; }
.hero-cta { padding: var(--space-lg) 0; }
section + section { border-top: 1px solid var(--grid-line); }
.hero + .engine-wall { border-top: none; }

/* ---------------------------------------------
   Explainer / Compare
--------------------------------------------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.compare__col {
  background: var(--surface);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-none);
  padding: var(--space-md);
}

.compare__col--accent { border-color: var(--color-primary); }

.compare__label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-sm);
}
.compare__col--accent .compare__label { color: var(--color-primary); }

.compare__body { font-size: 1.0625rem; line-height: 1.6; }

.explainer__close {
  margin-top: var(--space-lg);
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.5;
  max-width: 46ch;
  color: var(--ink-paper);
}

/* ---------------------------------------------
   Icon cards (steps + myth/reality)
--------------------------------------------- */
.icon-card-grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.icon-card-grid--3col { grid-template-columns: repeat(3, 1fr); }
.icon-card-grid--2col { grid-template-columns: repeat(2, 1fr); }

.icon-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--card-accent, var(--grid-line));
  padding: var(--space-md);
  overflow: hidden;
  transition: border-color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}
.icon-card:hover { transform: translateY(-2px); }

.icon-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, var(--card-glow, transparent) 0%, transparent 60%);
  pointer-events: none;
}

.icon-card__badge {
  position: relative;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--card-glow, transparent);
  border: 1px solid var(--card-accent, var(--color-primary));
  color: var(--card-accent, var(--color-primary));
  margin-bottom: var(--space-sm);
}
.icon-card__badge svg { width: 28px; height: 28px; }

.icon-card__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--card-accent, var(--color-primary));
  margin-bottom: var(--space-xs);
}

.icon-card__title {
  font-family: var(--font-body);
  font-size: var(--fs-title);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.icon-card__body { color: var(--ink-muted); line-height: 1.6; }

.icon-card__reality-label {
  color: var(--card-accent, var(--color-primary));
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 6px;
}

@media (max-width: 900px) {
  .icon-card-grid--2col,
  .icon-card-grid--3col { grid-template-columns: 1fr; }
}

/* ---------------------------------------------
   Bonus Channel
--------------------------------------------- */
.bonus-channel { background: var(--surface); }
.bonus-channel .section-headline { color: var(--color-growth-teal); }

.bonus-channel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.chart-card {
  background: var(--bg-deep);
  border: 1px solid var(--grid-line);
  padding: var(--space-md);
}
.chart-card__headline {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-paper);
  margin-bottom: var(--space-md);
  max-width: 32ch;
}

.donut {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.donut svg { flex-shrink: 0; }
.donut__big {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  fill: var(--ink-paper);
}
.donut__small {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.02em;
  fill: var(--ink-muted);
}

.donut__legend { display: flex; flex-direction: column; gap: 10px; }
.donut__legend p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--ink-muted);
}
.donut__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

@media (max-width: 1024px) {
  .bonus-channel__grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------
   Authority
--------------------------------------------- */
.authority { background: var(--surface); }
.authority .section-lead {
  max-width: none;
  white-space: normal;
  line-height: 1.35;
  font-size: clamp(1.375rem, 2.2vw, 1.875rem);
  font-family: var(--font-display);
  color: var(--ink-paper);
}

/* ---------------------------------------------
   CTA / Contact
--------------------------------------------- */
.cta__copy { max-width: 60ch; }

.cta__hook {
  margin-top: var(--space-md);
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink-paper);
}

.cta__email {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}
.cta__email:hover,
.cta__email:focus-visible { color: var(--color-primary-bright); border-color: var(--color-primary-bright); }

/* ---------------------------------------------
   Footer
--------------------------------------------- */
.site-footer { padding: var(--space-lg) 0; border-top: 1px solid var(--grid-line); }

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.wordmark--footer { font-size: 1rem; }

.site-footer__legal {
  font-size: 0.875rem;
  color: var(--ink-muted);
  margin-top: 4px;
}

.site-footer__nav { display: flex; gap: var(--space-md); }
.site-footer__nav a { font-size: 0.9375rem; color: var(--ink-muted); }
.site-footer__nav a:hover,
.site-footer__nav a:focus-visible { color: var(--color-primary); }

/* ---------------------------------------------
   Scroll reveal
--------------------------------------------- */
[data-reveal].pre-reveal {
  opacity: 0;
  transform: translateY(16px);
}
[data-reveal] {
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal].pre-reveal { opacity: 1; transform: none; }
}

/* ---------------------------------------------
   Responsive
--------------------------------------------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 480px; }
}

@media (max-width: 768px) {
  :root { --space-xl: 5rem; --space-lg: 2.5rem; }

  .nav-toggle { display: flex; }

  .primary-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100dvh - 72px);
    z-index: var(--z-nav-panel);
    background: var(--bg-deep);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-md);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration) var(--ease-out);
  }
  .primary-nav.is-open { transform: translateX(0); }
  .primary-nav .btn { margin-top: var(--space-sm); }

  .compare { grid-template-columns: 1fr; }
  .site-footer__inner { flex-direction: column; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 var(--space-sm); }
  .hero-cta__inner { flex-direction: column; align-items: stretch; }
}