/* ============================================================
   Lethe — Landing page
   On-brand with Thoth & Son design system + Lethe green accent
   ============================================================ */

/* ── LETHE TOKENS ──────────────────────────────────────────── */
:root {
  --lethe-green:      #4ade80;
  --lethe-green-dim:  rgba(74, 222, 128, 0.40);
  --lethe-green-faint:rgba(74, 222, 128, 0.10);
  --lethe-gold:       #B5783A;
}

/* ── UTILITY ───────────────────────────────────────────────── */
.accent-green { color: var(--lethe-green); }
.accent-green-link {
  color: var(--lethe-green);
  border-bottom: 1px solid var(--lethe-green-dim);
  transition: opacity 0.2s;
}
.accent-green-link:hover { opacity: 0.7; }

.lethe-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s3);
}

/* ── HERO ──────────────────────────────────────────────────── */
.lethe-hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--s7) var(--s4);
}

.lethe-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--lethe-green-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--lethe-green-faint) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.lethe-hero-compass {
  position: absolute;
  top: 0;
  left: -10%;
  width: 60vmin;
  height: 60vmin;
  pointer-events: none;
  z-index: 1;
}

.lethe-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}

.lethe-hero-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--lethe-gold);
  opacity: 0.7;
  margin-bottom: var(--s3);
}

.lethe-hero-title {
  margin-bottom: var(--s2);
}

.lethe-logo-ascii {
  font-family: var(--mono);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--lethe-green);
  display: block;
  text-shadow: 0 0 60px var(--lethe-green-dim);
}

.lethe-hero-tagline {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 300;
  color: var(--muted-high);
  letter-spacing: 0.08em;
  margin-bottom: var(--s3);
}

.lethe-hero-desc {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto var(--s4);
}

.lethe-hero-desc strong {
  color: var(--lethe-green);
  font-weight: 400;
}

.lethe-hero-cta {
  display: flex;
  gap: var(--s2);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.lethe-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.lethe-btn-primary {
  background: var(--lethe-green);
  color: #0A0A0A;
}
.lethe-btn-primary:hover {
  opacity: 1;
  filter: brightness(1.1);
  box-shadow: 0 0 24px var(--lethe-green-dim);
}

.lethe-btn-secondary {
  background: transparent;
  color: var(--muted-high);
  border: 1px solid rgba(245, 245, 245, 0.15);
}
.lethe-btn-secondary:hover {
  opacity: 1;
  border-color: var(--lethe-green);
  color: var(--lethe-green);
}

.lethe-btn-lg {
  padding: 14px 36px;
  font-size: 0.95rem;
}

.lethe-btn-full { width: 100%; }

/* ── SECTIONS ──────────────────────────────────────────────── */
.lethe-section {
  padding: var(--s7) 0;
}

.lethe-section-alt {
  background: var(--surface);
}

.lethe-section-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: var(--s1);
  text-align: center;
}

.lethe-section-sub {
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
  margin-bottom: var(--s5);
}

.lethe-section-sub code {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--lethe-green);
  background: var(--lethe-green-faint);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ── MODES GRID ────────────────────────────────────────────── */
.lethe-modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s3);
}

.lethe-mode-card {
  background: var(--surface);
  border: 1px solid rgba(245, 245, 245, 0.06);
  border-radius: 8px;
  padding: var(--s4);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lethe-mode-card:hover {
  border-color: var(--lethe-green-dim);
  box-shadow: 0 0 32px rgba(74, 222, 128, 0.06);
}

.lethe-mode-icon {
  font-size: 1.8rem;
  color: var(--lethe-green);
  margin-bottom: var(--s2);
  opacity: 0.8;
}

.lethe-mode-card h3 {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--lethe-green);
  text-transform: uppercase;
  margin-bottom: var(--s1);
}

.lethe-mode-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── FEATURES GRID ─────────────────────────────────────────── */
.lethe-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--s3);
}

.lethe-feature {
  padding: var(--s3);
  border-left: 2px solid var(--lethe-green-dim);
  transition: border-color 0.2s;
}

.lethe-feature:hover {
  border-color: var(--lethe-green);
}

.lethe-feature-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--lethe-gold);
  margin-bottom: var(--s1);
}

.lethe-feature p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── BENCHMARK TABLE ───────────────────────────────────────── */
.lethe-bench-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--s2);
}

.lethe-bench-table {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.lethe-bench-table thead th {
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lethe-gold);
  font-size: 0.68rem;
  padding: var(--s1) var(--s2);
  border-bottom: 1px solid rgba(245, 245, 245, 0.1);
  text-align: left;
}

.lethe-bench-table tbody td {
  padding: var(--s1) var(--s2);
  color: var(--muted-mid);
  border-bottom: 1px solid rgba(245, 245, 245, 0.04);
}

.lethe-bench-table tbody tr:hover td {
  background: var(--lethe-green-faint);
}

.lethe-bench-note {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  opacity: 0.7;
}

/* ── PRICING ───────────────────────────────────────────────── */
.lethe-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s3);
  max-width: 680px;
  margin: 0 auto;
}

.lethe-pricing-card {
  position: relative;
  background: var(--black);
  border: 1px solid rgba(245, 245, 245, 0.08);
  border-radius: 8px;
  padding: var(--s4);
  text-align: center;
  transition: border-color 0.2s;
}

.lethe-pricing-card:hover {
  border-color: var(--lethe-green-dim);
}

.lethe-pricing-featured {
  border-color: var(--lethe-green-dim);
  box-shadow: 0 0 40px rgba(74, 222, 128, 0.06);
}

.lethe-pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lethe-green);
  color: #0A0A0A;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 14px;
  border-radius: 10px;
}

.lethe-pricing-tier {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 4px;
}

.lethe-pricing-code {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--lethe-gold);
  opacity: 0.7;
  margin-bottom: var(--s3);
}

.lethe-pricing-price {
  font-family: var(--mono);
  font-size: 2.4rem;
  color: var(--lethe-green);
  font-weight: 300;
  margin-bottom: var(--s3);
}

.lethe-pricing-features {
  list-style: none;
  margin-bottom: var(--s4);
}

.lethe-pricing-features li {
  font-size: 0.82rem;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px solid rgba(245, 245, 245, 0.04);
}

.lethe-pricing-features li:last-child {
  border-bottom: none;
}

/* ── DOWNLOAD ──────────────────────────────────────────────── */
.lethe-download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--s2);
  max-width: 760px;
  margin: 0 auto var(--s3);
}

.lethe-download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--s3) var(--s2);
  background: var(--surface);
  border: 1px solid rgba(245, 245, 245, 0.06);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}

.lethe-download-card:hover {
  opacity: 1;
  border-color: var(--lethe-green);
  box-shadow: 0 0 24px rgba(74, 222, 128, 0.08);
}

.lethe-download-os {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--white);
}

.lethe-download-arch {
  font-size: 0.72rem;
  color: var(--muted);
}

.lethe-download-ext {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--lethe-green);
  opacity: 0.7;
}

.lethe-download-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.6;
}

/* ── GHOST-RIZZ SECTION ────────────────────────────────────── */
.lethe-ghost-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s5);
  align-items: center;
}

.lethe-ghost-text .lethe-section-title {
  text-align: left;
  margin-bottom: var(--s2);
}

.lethe-ghost-text p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: var(--s2);
}

.lethe-ghost-note {
  font-size: 0.78rem !important;
  opacity: 0.6;
}

.lethe-ghost-install {
  text-align: center;
}

.lethe-ghost-cmd {
  display: block;
  margin-top: var(--s1);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--lethe-green);
  background: var(--black);
  padding: 12px 20px;
  border-radius: 6px;
  border: 1px solid rgba(74, 222, 128, 0.15);
  white-space: nowrap;
}

/* ── FINAL CTA ─────────────────────────────────────────────── */
.lethe-final-cta {
  padding: var(--s7) 0;
}

.lethe-final-cta .lethe-section-title {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .lethe-hero {
    padding: var(--s5) var(--s2);
    min-height: 80vh;
  }

  .lethe-section {
    padding: var(--s5) 0;
  }

  .lethe-ghost-section {
    grid-template-columns: 1fr;
    gap: var(--s3);
  }

  .lethe-ghost-text .lethe-section-title {
    text-align: center;
  }

  .lethe-ghost-text p {
    text-align: center;
  }

  .lethe-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }
}