:root {
  --bg: #f8f6f0;
  --surface: rgba(255, 255, 255, 0.78);
  --text: #1e2430;
  --muted: #5d6778;
  --line: rgba(30, 36, 48, 0.1);
  --accent: #0f766e;
  --accent-soft: #d8f3ef;
  --gold: #d9a441;
  --shadow: 0 24px 60px rgba(27, 38, 59, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI Variable", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(217, 164, 65, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.14), transparent 26%),
    linear-gradient(180deg, #fffdf8 0%, var(--bg) 48%, #f3f7f7 100%);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 56px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 16px 0 24px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand { display: inline-flex; align-items: center; gap: 12px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #34d399);
  color: white;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-size: 0.98rem; }

.brand-copy small,
.site-nav a,
.hero-text,
.section-heading p,
.note-card p,
.registration-copy p,
.format-card li,
.curriculum-meta,
.form-feedback { color: var(--muted); }

.site-nav {
  display: inline-flex;
  gap: 20px;
  font-weight: 600;
  font-size: 0.95rem;
}

.section { margin-top: 32px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
  min-height: calc(100svh - 128px);
}

.hero-copy,
.hero-panel,
.intro-block,
.format-card,
.registration-form,
.registration-copy,
.note-card,
.curriculum-panel,
.outcomes-grid article {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.intro-block,
.format-card,
.registration-copy,
.registration-form,
.curriculum-panel { border-radius: 32px; }

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 56px);
}

.eyebrow,
.section-tag,
.hero-card-label,
.format-title {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
}

.hero h1,
.section-heading h2,
.registration-copy h2,
.format-card h3,
.intro-block h2 {
  margin: 14px 0 0;
  line-height: 0.95;
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
}

.hero h1 { font-size: clamp(3.2rem, 8vw, 6.4rem); }
.hero h1 span { color: var(--accent); font-style: italic; }

.hero-text {
  max-width: 34rem;
  margin: 22px 0 0;
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-2px); }

.button-primary {
  background: linear-gradient(135deg, var(--accent), #159a87);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.25);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.button-wide { width: 100%; margin-top: 8px; }

.hero-panel {
  padding: clamp(20px, 3vw, 32px);
  overflow: hidden;
  position: relative;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.3), transparent 40%),
    radial-gradient(circle at 20% 20%, rgba(217, 164, 65, 0.34), transparent 25%),
    linear-gradient(180deg, rgba(15, 118, 110, 0.08), transparent 55%);
}

.hero-card {
  position: relative;
  z-index: 1;
  height: 100%;
  border-radius: 28px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.82);
}

.hero-banner {
  margin-bottom: 20px;
  border-radius: 22px;
  overflow: hidden;
  min-height: 220px;
  background: rgba(15, 118, 110, 0.08);
}

.hero-banner img,
.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.hero-stat-grid article,
.curriculum-session {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(30, 36, 48, 0.08);
}

.hero-stat-grid strong { display: block; font-size: 1.45rem; }

.framework {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.framework div {
  padding: 16px 18px;
  border-left: 4px solid var(--gold);
  background: rgba(248, 246, 240, 0.95);
  border-radius: 0 18px 18px 0;
}

.framework span { display: block; font-weight: 800; margin-bottom: 4px; }

.intro-grid,
.formats-grid,
.registration-section {
  display: grid;
  gap: 20px;
}

.intro-grid { grid-template-columns: 1.2fr 0.8fr 0.8fr; }

.intro-block,
.format-card,
.registration-copy,
.registration-form { padding: 28px; }

.intro-block h2,
.section-heading h2,
.registration-copy h2 { font-size: clamp(2rem, 5vw, 3.6rem); }

.ratio-list,
.flow-list,
.format-card ul,
.curriculum-session ul {
  margin: 20px 0 0;
  padding-left: 20px;
  line-height: 1.8;
}

.section-heading { max-width: 780px; margin-bottom: 26px; }
.section-heading h2 { margin-bottom: 14px; }
.curriculum-list { display: grid; gap: 16px; }

.curriculum-panel {
  padding: 20px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.curriculum-panel:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.18);
}

.curriculum-toggle {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.curriculum-day { display: flex; flex-direction: column; gap: 8px; }
.curriculum-day strong { font-size: 1.3rem; }
.curriculum-objective { margin: 10px 0 0; font-weight: 600; }

.curriculum-chevron {
  min-width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.5rem;
  transition: transform 180ms ease;
}

.curriculum-panel[data-open="true"] .curriculum-chevron { transform: rotate(45deg); }

.curriculum-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms ease;
}

.curriculum-panel[data-open="true"] .curriculum-body { grid-template-rows: 1fr; }
.curriculum-body-inner { overflow: hidden; }
.curriculum-blocks { display: grid; gap: 14px; padding-top: 18px; }
.curriculum-session h3 { margin: 0 0 10px; font-size: 1rem; }

.formats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.format-card { min-height: 280px; }
.format-card.featured { background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(216, 243, 239, 0.92)); }

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.outcomes-grid article {
  padding: 22px;
  border-radius: 26px;
  font-weight: 700;
  line-height: 1.6;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.gallery-item {
  margin: 0;
  min-height: 240px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.74);
  transform: translateY(0);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 65px rgba(27, 38, 59, 0.12);
}

.registration-section {
  grid-template-columns: 0.88fr 1.12fr;
  align-items: start;
}

.note-card { margin-top: 22px; padding: 20px; border-radius: 24px; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.registration-form label,
.registration-form fieldset {
  display: grid;
  gap: 10px;
}

.registration-form input,
.registration-form select,
.registration-form textarea {
  width: 100%;
  border: 1px solid rgba(30, 36, 48, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  padding: 15px 16px;
  color: var(--text);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.registration-form input:focus,
.registration-form select:focus,
.registration-form textarea:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.5);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.mode-picker {
  margin: 18px 0;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(30, 36, 48, 0.08);
  background: rgba(255, 255, 255, 0.76);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.mode-picker legend { padding: 0 8px; font-weight: 700; }

.choice-pill { position: relative; cursor: pointer; }
.choice-pill input { position: absolute; opacity: 0; pointer-events: none; }

.choice-pill span {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(30, 36, 48, 0.12);
  background: rgba(255, 255, 255, 0.88);
  font-weight: 700;
  transition: all 180ms ease;
}

.choice-pill input:checked + span {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), #159a87);
  color: white;
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.22);
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 12px;
  margin: 18px 0 4px;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.form-feedback {
  min-height: 24px;
  margin: 12px 0 0;
  font-weight: 600;
}

.form-feedback.success { color: var(--accent); }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@media (max-width: 960px) {
  .hero,
  .intro-grid,
  .registration-section,
  .formats-grid,
  .outcomes-grid,
  .gallery-grid { grid-template-columns: 1fr; }

  .site-header {
    border-radius: 28px;
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
  }

  .hero { min-height: auto; }
  .field-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .page-shell { width: min(100% - 20px, 1200px); }
  .hero-copy,
  .hero-panel,
  .intro-block,
  .format-card,
  .registration-copy,
  .registration-form,
  .curriculum-panel { border-radius: 24px; padding: 20px; }

  .hero h1 { font-size: 2.9rem; }
  .intro-block h2,
  .section-heading h2,
  .registration-copy h2 { font-size: 2.3rem; }

  .button,
  .choice-pill span { width: 100%; }

  .site-nav { font-size: 0.9rem; }
}