/* Hallmark · MK-WEB-20260527-005 · B4 language-course styles
 * macrostructure: Narrative Workflow · tone: corporate · anchor: teal oklch(42% 0.08 195)
 */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.86;
  color: var(--color-ink-soft);
  background: var(--color-paper);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

.shell {
  width: min(100%, calc(var(--max-site) + var(--pad) * 2));
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ── Header ── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur-med) var(--ease-out),
              box-shadow  var(--dur-med) var(--ease-out);
}

.coaras-site-bar {
  font-size: var(--text-caption);
  border-bottom: 1px solid var(--color-rule);
  background: color-mix(in srgb, var(--color-paper-deep) 90%, transparent);
}

.coaras-site-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding-block: 0.4rem;
}

.coaras-site-bar__home {
  text-decoration: none;
  color: var(--color-accent);
  font-weight: 600;
}

.coaras-site-bar__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.coaras-site-bar__links a {
  text-decoration: none;
  color: var(--color-muted);
}
.coaras-site-bar__links a:hover { color: var(--color-accent); }

.site-header > .shell:last-of-type {
  flex: 1;
  display: flex;
  align-items: center;
  min-height: var(--header-h);
}

.site-header.is-solid {
  background: color-mix(in srgb, var(--color-paper-bright) 94%, transparent);
  box-shadow: 0 1px 0 var(--color-rule);
  backdrop-filter: blur(12px);
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-small);
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--color-ink);
  white-space: nowrap;
  overflow-wrap: anywhere;
  min-width: 0;
}

.header-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ── Buttons ── */
.nav-cta, .btn-primary, .btn-secondary, .btn-sm {
  min-height: max(2.75rem, 48px);
}

.btn-sm {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-md);
  font-size: var(--text-caption);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.btn-sm--ghost {
  border: 1px solid var(--color-rule-strong);
  color: var(--color-accent);
  background: transparent;
}

.btn-sm--primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-xl);
  font-weight: 600;
  font-size: var(--text-small);
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--color-on-accent);
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-out),
              transform  var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  min-height: max(2.75rem, 48px);
}

@media (prefers-reduced-motion: no-preference) {
  .btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
  }
}
.btn-primary:active { transform: translateY(0); }

/* ── Hero: typographic-led ── */
.hero {
  border-bottom: 1px solid var(--color-rule);
  background: linear-gradient(160deg, var(--color-paper-bright) 55%, var(--color-accent-light) 100%);
  min-height: max(var(--hero-min-h), 80vh);
  display: flex;
  align-items: center;
  position: relative;
  overflow: clip;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 40%, oklch(42% 0.08 195 / 0.06) 0%, transparent 55%),
    radial-gradient(circle at 20% 70%, oklch(42% 0.08 195 / 0.04) 0%, transparent 45%);
  pointer-events: none;
}

.hero__inner {
  padding-top: calc(var(--header-h) + var(--coaras-bar-h) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  position: relative;
  z-index: 1;
  max-width: 52rem;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-display);
  line-height: 1.28;
  color: var(--color-ink);
  margin: 0 0 var(--space-lg);
  overflow-wrap: anywhere;
  min-width: 0;
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: var(--text-lead);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-xl);
  max-width: 42rem;
}

.hero__meta {
  font-size: var(--text-small);
  color: var(--color-muted);
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

/* ── Sections ── */
.section { padding-block: var(--section-gap); }

.section--band {
  background: var(--color-paper-deep);
  border-block: 1px solid var(--color-rule);
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-display-s);
  line-height: 1.38;
  color: var(--color-ink);
  margin: 0 0 var(--space-lg);
  overflow-wrap: anywhere;
  min-width: 0;
}

.section__lead {
  max-width: var(--max-text);
  margin: 0 0 var(--space-2xl);
}

/* ── Pain list ── */
.pain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 40rem;
}

.pain-list li {
  padding: var(--space-md) 0 var(--space-md) 1.4rem;
  border-bottom: 1px solid var(--color-rule);
  position: relative;
}

.pain-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: calc(var(--space-md) + 0.6em);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.pain-list li:last-child { border-bottom: none; }

/* ── Session cards ── */
.session-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 56rem;
  position: relative;
}

.session-flow::before {
  content: '';
  position: absolute;
  left: 1.5rem;
  top: 2rem;
  bottom: 2rem;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-accent) 0%,
    oklch(42% 0.08 195 / 0.3) 100%
  );
}

@media (max-width: 599px) {
  .session-flow::before { display: none; }
}

.session-card {
  padding: var(--space-xl) var(--space-2xl);
  background: var(--color-paper-bright);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  position: relative;
  margin-left: 3.5rem;
}

@media (max-width: 599px) {
  .session-card { margin-left: 0; }
}

.session-card__num {
  position: absolute;
  left: -3.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 600;
}

@media (max-width: 599px) {
  .session-card__num {
    position: static;
    transform: none;
    margin-bottom: var(--space-md);
  }
}

.session-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}

.session-card__grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 560px) {
  .session-card__grid { grid-template-columns: 1fr 1fr; }
}

.session-col__label {
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin: 0 0 var(--space-sm);
}

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

.session-col ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: var(--text-small);
}

.session-col ul li { margin-bottom: var(--space-xs); }

.session-deliverable {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-small);
  color: var(--color-ink-soft);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.session-deliverable strong { color: var(--color-accent); }

/* ── Deliverable list ── */
.deliverable-list {
  counter-reset: deliv;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 44rem;
}

.deliverable-list li {
  counter-increment: deliv;
  padding: var(--space-lg) 0 var(--space-lg) 3rem;
  border-bottom: 1px solid var(--color-rule);
  position: relative;
  overflow-wrap: anywhere;
  min-width: 0;
}

.deliverable-list li::before {
  content: counter(deliv, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: var(--space-lg);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-accent);
}

.deliverable-list li:last-child { border-bottom: none; }

/* ── Scope guard list ── */
.scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 40rem;
}

.scope-list li {
  padding: var(--space-sm) 0 var(--space-sm) 1.8rem;
  position: relative;
  font-size: var(--text-small);
  border-bottom: 1px solid var(--color-rule);
}

.scope-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-muted);
}

.scope-list li:last-child { border-bottom: none; }

/* ── Tables ── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-paper-bright);
  margin-bottom: var(--space-lg);
}

.fact-table {
  width: 100%;
  min-width: 280px;
  border-collapse: collapse;
  font-size: var(--text-small);
}

.fact-table th, .fact-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-rule);
  text-align: left;
  vertical-align: top;
}

.fact-table th {
  background: var(--color-paper-deep);
  font-weight: 600;
  color: var(--color-ink);
}

.fact-table tr:last-child td,
.fact-table tr:last-child th { border-bottom: none; }

.fact-table tbody tr {
  transition: background var(--dur-fast) var(--ease-out);
}

@media (hover: hover) {
  .fact-table tbody tr:hover { background: var(--color-paper-deep); }
}

.fact-table .is-primary { font-weight: 600; color: var(--color-accent); }

/* ── Price block ── */
.price-block {
  padding: var(--space-2xl);
  background: var(--color-paper-bright);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  max-width: 28rem;
}

.price-block__label {
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin: 0 0 var(--space-sm);
}

.price-block .amount {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
  line-height: 1.2;
}

.price-block__note {
  font-size: var(--text-caption);
  color: var(--color-muted);
  margin: 0;
}

/* ── Cross-band ── */
.cross-band {
  padding: var(--space-xl) var(--space-2xl);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  background: color-mix(in oklch, var(--color-accent-sky) 40%, var(--color-paper));
}

.cross-band a {
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: underline;
}

/* ── CTA finale ── */
.cta-finale {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem);
  background: var(--color-ink);
  color: color-mix(in srgb, var(--color-paper-bright) 90%, transparent);
  border-radius: var(--radius-md);
}

.cta-finale h2 {
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  color: var(--color-paper-bright);
  margin: 0 0 var(--space-md);
}

.cta-finale .btn-primary {
  background: var(--color-paper-bright);
  color: var(--color-ink);
}

.cta-note {
  display: block;
  margin-top: var(--space-md);
  font-size: var(--text-caption);
  opacity: 0.8;
}

/* ── Footer ── */
.site-footer {
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-caption);
  color: var(--color-muted);
}

.site-footer a { color: var(--color-accent); }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: var(--space-md);
}

.footer-nav a { text-decoration: none; }

.site-footer.coaras-footer-unified {
  background: #001489;
  color: rgba(255, 255, 255, 0.82);
  border-top: none;
}

.coaras-footer-unified a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.coaras-footer-unified a:hover { color: #fff; }

.coaras-footer-unified__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: var(--space-md);
}

.coaras-footer-unified__contact { margin: 0 0 var(--space-sm); }
.coaras-footer-unified__copy { margin: 0; }

/* ── Scroll reveal ── */
.reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(var(--motion-reveal-y));
    transition:
      opacity   var(--dur-slow) var(--ease-out),
      transform var(--dur-slow) var(--ease-out);
  }

  .reveal.is-visible { opacity: 1; transform: translateY(0); }

  .reveal-stagger > .reveal-child {
    opacity: 0;
    transform: translateY(var(--motion-reveal-y));
    transition:
      opacity   var(--dur-slow) var(--ease-out),
      transform var(--dur-slow) var(--ease-out);
  }

  .reveal-stagger.is-visible > .reveal-child { opacity: 1; transform: translateY(0); }
  .reveal-stagger.is-visible > .reveal-child:nth-child(1) { transition-delay:   0ms; }
  .reveal-stagger.is-visible > .reveal-child:nth-child(2) { transition-delay:  80ms; }
  .reveal-stagger.is-visible > .reveal-child:nth-child(3) { transition-delay: 160ms; }
  .reveal-stagger.is-visible > .reveal-child:nth-child(4) { transition-delay: 240ms; }
}

/* ── 375: responsive ── */
@media (max-width: 599px) {
  .fact-table thead { display: none; }

  .fact-table tr {
    display: block;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-rule);
  }

  .fact-table td {
    display: block;
    padding: var(--space-xs) 0;
    border: none;
  }

  .fact-table td::before {
    content: attr(data-label);
    display: block;
    font-weight: 600;
    font-size: var(--text-caption);
    color: var(--color-muted);
    margin-bottom: var(--space-xs);
  }

  .hero__actions .btn-primary,
  .hero__actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .cta-finale .hero__actions .btn-primary { width: 100%; }
}