/*
 * stitch-landing.css — Public marketing / landing pages.
 * Consumed by: landing_base.html
 */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --st-primary:              #24389c;
  --st-primary-container:    #3f51b5;
  --st-on-primary:           #ffffff;
  --st-secondary:            #006c49;
  --st-background:           #faf8ff;
  --st-surface-container-lowest: #ffffff;
  --st-surface-container-low:    #f2f3ff;
  --st-surface-container:        #eaedff;
  --st-on-surface:           #131b2e;
  --st-on-surface-variant:   #454652;
  --st-outline-variant:      #c5c5d4;
  --st-error:                #ba1a1a;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--st-background);
  color: var(--st-on-surface);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 {
  font-family: 'Manrope', sans-serif;
  color: var(--st-on-surface);
}

/* ── Navigation ──────────────────────────────────────────────────────────── */
.landing-nav {
  background: var(--st-surface-container-lowest);
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(197,197,212,0.3);
}

.nav-brand img {
  height: 64px;
  width: auto;
  object-fit: contain;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  border-radius: 0.5rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
}

.btn-primary {
  background: var(--st-primary);
  border-color: var(--st-primary);
  color: var(--st-on-primary);
}

.btn-primary:hover {
  background: var(--st-primary-container);
  border-color: var(--st-primary-container);
  color: #fff;
  box-shadow: 0 4px 12px rgba(36,56,156,0.25);
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--st-primary);
  border-color: var(--st-primary);
}

.btn-outline-primary:hover {
  background: var(--st-primary);
  color: var(--st-on-primary);
}

.btn-light {
  background: var(--st-surface-container-lowest);
  border-color: transparent;
  color: var(--st-primary);
  font-weight: 700;
}

.btn-outline-light {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero-section {
  padding: 5rem 0 4rem;
  text-align: center;
  background: linear-gradient(160deg, var(--st-background) 0%, var(--st-surface-container-low) 100%);
}

.hero-title {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--st-on-surface);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--st-on-surface-variant);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* ── Feature Cards ───────────────────────────────────────────────────────── */
.feature-section { padding: 4.5rem 0; }

.feature-card {
  background: var(--st-surface-container-lowest);
  border: none;
  border-radius: 1.25rem;
  padding: 2rem;
  height: 100%;
  transition: box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 2px 8px rgba(19,27,46,0.05);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(19,27,46,0.1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--st-primary), var(--st-primary-container));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: #fff;
  font-size: 1.5rem;
}

.feature-title {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--st-on-surface);
  margin-bottom: 0.75rem;
}

.feature-description {
  color: var(--st-on-surface-variant);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ── Stats section ───────────────────────────────────────────────────────── */
.stats-section { padding: 3rem 0; }

.stat-number {
  font-family: 'Manrope', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--st-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

/* ── Requirements / Alt sections ─────────────────────────────────────────── */
.alt-section {
  background: var(--st-surface-container-low);
  padding: 4rem 0;
}

/* ── CTA section ─────────────────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--st-primary) 0%, var(--st-primary-container) 100%);
  color: #fff;
  padding: 4.5rem 0;
  text-align: center;
}

.cta-section h2 {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 0.875rem;
}

.cta-section p {
  color: rgba(255,255,255,0.85);
  font-size: 1.0625rem;
  margin-bottom: 2rem;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.landing-footer {
  background: var(--st-surface-container-lowest);
  padding: 2rem 0;
  text-align: center;
  box-shadow: 0 -1px 0 rgba(197,197,212,0.25);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--st-on-surface-variant);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--st-primary); }

/* ── Alert overrides ─────────────────────────────────────────────────────── */
.alert {
  border: none;
  border-radius: 0.875rem;
  font-size: 0.875rem;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 575.98px) {
  .hero-section { padding: 3rem 0 2.5rem; }
  .footer-links { flex-direction: column; gap: 0.75rem; }
}