/* ============================================================
   landing.css — Landing Page Styles
   Crosshill Design
   ============================================================ */

/* ── LANDING PAGE OVERRIDES ── */
body.landing-page {
  margin: 0;
  padding: 0;
}

/* Reveal animation is driven by scroll JS adding .in-view.
   On the landing page force all .reveal elements visible immediately. */
.landing-page .reveal {
  opacity: 1;
  transform: none;
}

.landing-page .sidebar {
  display: none;
}

.landing-page .sidebar-overlay {
  display: none;
}

.landing-page .nav-toggle {
  display: none;
}

.landing-page .hero {
  padding: calc(var(--nav-h) + 56px) 40px 80px 40px;
  margin-left: 0;
}

.landing-page .content-wrap {
  margin-left: 0;
  padding: 0 0 100px 0;
}

.landing-page .site-footer {
  margin-left: 0;
}

/* ── LANDING CONTENT WRAPPER ── */
.landing-content {
  padding: 60px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.landing-hero {
  padding-bottom: 60px;
}

/* ── LANDING STAGES ── */
.landing-stage {
  margin-top: 72px;
  text-align: left;
}

.stage-header {
  text-align: center;
  margin-bottom: 40px;
}

.stage-number {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 16px;
  border-radius: 100px;
  background: rgba(58, 158, 158, 0.08);
  border: 1px solid rgba(58, 158, 158, 0.2);
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.stage-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--text);
}

.stage-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.68;
  max-width: 580px;
  margin: 0 auto;
}

.stage-prereq-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--mono);
  margin: 16px auto 0;
  max-width: 580px;
}

.stage-prereq-note a {
  color: var(--teal-light);
  text-decoration: none;
}

.stage-prereq-note a:hover {
  text-decoration: underline;
}

/* ── TUTORIAL BADGE ── */
.tutorial-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 100px;
  background: rgba(58, 158, 158, 0.1);
  border: 1px solid rgba(58, 158, 158, 0.2);
  color: var(--teal-light);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: flex-start;
}

.tutorial-badge--new {
  background: rgba(80, 200, 120, 0.1);
  border-color: rgba(80, 200, 120, 0.25);
  color: #6fcf97;
}

/* ── PREREQ CARD ── */
.tutorial-card--prereq {
  opacity: 0.72;
  border-style: dashed;
}

.tutorial-card--prereq:hover {
  opacity: 1;
}

.tutorial-link--small {
  font-size: 0.72rem;
  padding: 7px 12px;
}

/* ── LEARNING PATHS (legacy, kept for compatibility) ── */
.learning-path {
  margin-top: 72px;
  text-align: left;
}

.path-header {
  text-align: center;
  margin-bottom: 40px;
}

.path-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 18px;
  border-radius: 100px;
  background: rgba(58, 158, 158, 0.1);
  border: 1px solid rgba(58, 158, 158, 0.25);
  color: var(--teal-light);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.path-badge--local {
  background: rgba(100, 130, 210, 0.1);
  border-color: rgba(100, 130, 210, 0.25);
  color: #8ab4f8;
}

.path-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--text);
}

.path-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.68;
  max-width: 580px;
  margin: 0 auto;
}

/* ── PATH DIVIDER ── */
.path-divider {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 72px 0 0;
}

.path-divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

.path-divider-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ── SOLO CARD(S) (CLOUD PATH) ── */
.path-solo {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.tutorial-card--standalone {
  max-width: 520px;
  width: 100%;
  flex: 1 1 300px;
}

/* ── 2-COLUMN GRID (4-card stages) ── */
.path-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ── CHAINED CARDS (LOCAL PATH) ── */
.path-chain {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.path-step {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.step-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--teal);
  opacity: 0.65;
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding: 4px 8px;
  background: rgba(58, 158, 158, 0.06);
  border-radius: 4px;
}

.path-step .tutorial-card {
  flex: 1;
}

/* ── PATH CONNECTOR ARROWS ── */
.path-connector {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-shrink: 0;
  padding: 0 10px;
  padding-top: 34px; /* step-label height + margin aligns arrow with card top */
  color: var(--teal);
  font-size: 1.5rem;
  opacity: 0.35;
  line-height: 1;
  user-select: none;
}

/* ── TUTORIAL CARDS ── */
.tutorial-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tutorial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-dark), var(--teal-light));
}

.tutorial-card:hover {
  background: var(--bg-elevated);
  border-color: var(--teal);
  box-shadow: 0 8px 24px rgba(58, 158, 158, 0.15);
  transform: translateY(-4px);
}

/* ── TUTORIAL CARD CONTENT ── */
.tutorial-emoji {
  font-size: 2.2rem;
  display: inline-block;
  filter: drop-shadow(0 0 8px rgba(58, 158, 158, 0.2));
}

.tutorial-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.015em;
}

.tutorial-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex-grow: 1;
}

.tutorial-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--mono);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.tutorial-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── TUTORIAL LINK BUTTONS ── */
.tutorial-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--teal-glow);
  color: var(--teal-light);
  border: 1px solid var(--border-str);
  border-radius: calc(var(--radius) - 2px);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  transition: all 0.2s ease;
  margin-top: 8px;
  text-decoration: none;
  cursor: pointer;
  align-self: flex-start;
}

.tutorial-link:hover {
  background: var(--teal-glow-str);
  border-color: var(--teal);
  box-shadow: 0 0 16px rgba(58, 158, 158, 0.22);
}

/* ── PHILOSOPHY CALLOUT ── */
.landing-callout {
  margin-top: 64px;
  padding: 28px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.72;
}

.landing-callout strong {
  color: var(--text);
}

.landing-callout em {
  font-style: normal;
  color: var(--teal-light);
  font-weight: 600;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .landing-content {
    padding: 40px 24px;
  }

  .path-chain {
    flex-direction: column;
    gap: 0;
  }

  .path-connector {
    align-self: center;
    padding: 6px 0;
    padding-top: 6px;
    /* Rotate → into ↓ */
    transform: rotate(90deg);
  }

  .path-step {
    width: 100%;
  }

  .tutorial-card--standalone {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .path-2col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .tutorial-card {
    padding: 20px;
  }

  .landing-callout {
    padding: 20px 22px;
  }

  .path-divider {
    gap: 12px;
  }
}