/* LOTSOG Learning — brand tokens (Sprint E) */
@import url('https://fonts.googleapis.com/css2?family=Federo&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,400&display=swap');

:root {
  --navy: #0D1B2E;
  --navy-mid: #112240;
  --navy-light: #0A1628;
  --navy-border: #1E3A5F;
  --parchment: #F8F5EF;
  --text-muted: #7A9DC0;
  --text-dim: #4A6A8A;
  --gold-mid: #D4AF37;
  --gold-dark: #7A5E17;
  --gold-tier-mid: #B99A3E;
  --gold-antique: linear-gradient(105deg, #4A3607 0%, #7A5E17 18%, #B08A28 38%, #D4AF37 55%, #8C6A1A 78%, #3A2A05 100%);
  --gold-polished: linear-gradient(105deg, #6E4A00 0%, #F7D774 20%, #FFF3B0 30%, #E0B539 45%, #F7D774 75%, #4A3200 100%);
  --gold-burnt: linear-gradient(105deg, #2E1B00 0%, #5A3A08 25%, #8E5E16 50%, #C28E2B 75%, #4A2B00 100%);
  --gold-matte: linear-gradient(105deg, #8F7420 0%, #B99A3E 50%, #E2C072 100%);
  --font-serif: 'Federo', serif;
  --font-sans: 'DM Sans', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --section-pad: 4rem 2rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  background: var(--navy);
  color: var(--parchment);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-muted); }
a:hover { color: var(--parchment); }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--parchment);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: 0.12em;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.gold-rule {
  width: 48px;
  height: 2px;
  background: var(--gold-matte);
  margin: 1rem 0;
}

.body-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 54ch;
  line-height: 1.85;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.88; text-decoration: none; }

.btn-gold {
  background: var(--gold-matte);
  color: var(--navy);
}

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 0.5px solid var(--navy-border);
}

.btn-outline:hover { color: var(--parchment); border-color: var(--text-dim); }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.5rem;
}

.card {
  background: var(--navy-mid);
  border: 0.5px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
}

.card.featured {
  border-color: rgba(212, 175, 55, 0.4);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

/* Equal-height cards; CTAs share a row baseline within each plan-grid */
.plan-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.plan-card h3 {
  font-size: 1.15rem;
  color: var(--gold-mid);
  margin: 0 0 0.5rem;
}

.plan-card .plan-price {
  font-size: 1.25rem;
  color: var(--parchment);
  margin: 0.75rem 0;
}

.plan-card .plan-institution-note {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0.75rem 0 0.25rem;
  line-height: 1.45;
}

.segment-label:first-of-type {
  margin-top: 0;
}

.plan-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1 1 auto;
}

.plan-card > .btn {
  margin-top: auto;
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}

.plan-card li {
  font-size: 14px;
  color: var(--text-muted);
  padding: 0.25rem 0;
}

.plan-card li::before {
  content: '✓ ';
  color: #45841B;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-item h3 {
  font-size: 1rem;
  color: var(--gold-tier-mid);
  margin-bottom: 0.5rem;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  background: var(--gold-antique);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.faq-item {
  border-bottom: 0.5px solid var(--navy-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--parchment);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  padding: 1rem 0;
  cursor: pointer;
}

.faq-answer {
  display: none;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 1rem;
  line-height: 1.75;
}

.faq-item.open .faq-answer { display: block; }

.callout {
  background: var(--navy-mid);
  border: 0.5px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.pricing-footnote {
  font-size: 11px;
  color: var(--text-dim);
  font-style: italic;
  border-top: 0.5px solid var(--navy-border);
  padding-top: 1.25rem;
  margin-top: 2rem;
  line-height: 1.8;
}
.annual-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 1rem;
}
.annual-note strong { color: var(--gold-tier-mid); }
.tier-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1rem; }
.tier-pill {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 0.5px solid var(--navy-border);
  color: var(--text-muted);
  background: var(--navy-light);
}
.pull-quote {
  border-left: 2px solid var(--gold-mid);
  padding: 1rem 0 1rem 1.5rem;
  margin: 2rem 0;
}
.pull-quote p {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--parchment);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.pull-quote cite {
  font-size: 13px;
  color: var(--text-dim);
  font-style: normal;
  letter-spacing: 0.08em;
}
.editorial { max-width: 72ch; }
.editorial h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--gold-tier-mid);
  margin: 2.5rem 0 0.75rem;
}
.editorial p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 1rem;
}
.editorial em { color: var(--parchment); font-style: italic; }
.phi-callout {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  background: rgba(212,175,55,0.06);
  border: 0.5px solid rgba(212,175,55,0.25);
  border-radius: var(--radius);
  padding: 8px 14px;
  margin-top: 8px;
}
.phi-sym {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  background: var(--gold-antique);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.phi-callout p {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  line-height: 1.5;
  margin: 0;
}
.segment-label {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--gold-tier-mid);
  margin: 3rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 0.5px solid var(--navy-border);
}