/* ========================================
   TEGE Landing Page
   Warm, welcoming styles layered on style.css
   ======================================== */

:root {
  --card: #ffffff;
  --card-soft: #f1f7ef;
  --green: #5f9b5c;
  --green-deep: #3f7a3c;
  --green-soft: #d8ead4;
  --warm: #f7f3e8;
  --shadow-sm: 0 1px 3px rgba(38, 47, 35, 0.06), 0 2px 12px rgba(38, 47, 35, 0.05);
  --shadow-md: 0 6px 24px rgba(38, 47, 35, 0.10);
  --shadow-lg: 0 14px 44px rgba(38, 47, 35, 0.14);
}

/* Softer, warmer page wash */
body.landing-page {
  background:
    radial-gradient(1100px 520px at 78% -8%, #eef6ec 0%, rgba(238, 246, 236, 0) 60%),
    radial-gradient(900px 480px at 0% 8%, #f4f2e6 0%, rgba(244, 242, 230, 0) 55%),
    var(--bg);
  background-attachment: fixed;
}

/* Give the landing more room to breathe than the doc pages */
body.landing-page .main-content {
  max-width: calc(1080px + var(--space-2xl) * 2 + var(--sidebar-width));
}
body.landing-page .content-wrapper { max-width: 1080px; }

body.landing-page section { scroll-margin-top: 1.5rem; }

/* Clear focus ring everywhere for keyboard users */
.landing-page a:focus-visible,
.landing-page button:focus-visible,
.landing-page .screenshot-gallery__img:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Hero ---------- */
.landing-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-2xl);
  margin-top: var(--space-lg);
  padding: clamp(1.75rem, 4vw, 3.25rem);
  border-radius: 22px;
  background: linear-gradient(150deg, #ffffff 0%, #f0f7ee 55%, #eaf3e6 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.landing-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.5px;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.landing-hero__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--green-deep);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
}

.landing-hero__construction {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--green-deep);
  background: rgba(255, 196, 0, 0.12);
  border: 1px dashed rgba(180, 130, 0, 0.5);
  border-radius: 6px;
  padding: 6px 12px;
  margin-bottom: var(--space-md);
}

.landing-hero__tagline {
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 38ch;
  margin-bottom: var(--space-lg);
}

.landing-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.landing-hero__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

/* ---------- Buttons ---------- */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.cta-button:hover { text-decoration: none; transform: translateY(-2px); }

.cta-primary {
  background: var(--green);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.cta-primary:hover { background: var(--green-deep); color: #fff; box-shadow: var(--shadow-md); }

.cta-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  border-color: var(--border);
}
.cta-secondary:hover { border-color: var(--green); color: var(--green-deep); }

.cta-version {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
}

.cta-button--lg { font-size: var(--text-lg); padding: 0.9rem 1.6rem; }

/* ---------- Hero badges ---------- */
.landing-page .tech-badge {
  background: var(--green-soft);
  color: var(--green-deep);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
}

/* ---------- Sections ---------- */
.landing-section { padding: clamp(2.25rem, 5vw, 3.75rem) 0; }

.landing-section__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 600;
  text-align: center;
  border: none;
  margin: 0 auto var(--space-sm);
  padding: 0;
}
.landing-section__heading::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  margin: 0.75rem auto 0;
  border-radius: 3px;
  background: var(--green);
}

.landing-section__lead {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-muted);
  text-align: center;
  max-width: 62ch;
  margin: 0 auto var(--space-xl);
}

.landing-section__link {
  text-align: center;
  color: var(--text-muted);
  margin-top: var(--space-lg);
}

/* Flagship sections get a soft tinted panel so they stand out */
#adaptive, #world {
  margin: var(--space-md) 0;
  padding: clamp(2.25rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 2.75rem);
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
#adaptive { background: linear-gradient(160deg, #ffffff 0%, #eef5ff 100%); }
#world { background: linear-gradient(160deg, #ffffff 0%, #eef6ec 100%); }

/* ---------- Feature cards ---------- */
.landing-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.landing-feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.landing-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--green);
}

.landing-feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--green-soft);
  color: var(--green-deep);
  margin-bottom: var(--space-md);
}

.landing-feature-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
}
.landing-feature-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.65;
}

/* ---------- What it is / is not ---------- */
.landing-trust { padding: clamp(2.25rem, 5vw, 3.75rem) 0; }

.landing-trust__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.landing-trust__col {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.landing-trust__col h3 { margin-top: 0; }
.landing-trust__col ul { margin: var(--space-sm) 0 0; padding-left: 1.25rem; }
.landing-trust__col li { margin-bottom: var(--space-sm); color: var(--text-muted); }

.landing-trust__col--is { border-top: 4px solid var(--green); }
.landing-trust__col--is h3 { color: var(--green-deep); }
.landing-trust__col--is li::marker { content: '\2713  '; color: var(--green); }

.landing-trust__col--not { border-top: 4px solid #c9b27a; }
.landing-trust__col--not h3 { color: #8a7333; }

.landing-trust__note {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-align: center;
}

/* ---------- Screenshots ---------- */
.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
.screenshot-gallery__item { margin: 0; }
.screenshot-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.2s ease;
}
.screenshot-gallery__img:hover { transform: scale(1.015); box-shadow: var(--shadow-md); }

/* ---------- Getting started ---------- */
.landing-getting-started {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
.landing-getting-started__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.landing-getting-started__card h3 { margin-top: 0; }
.landing-getting-started__card ul,
.landing-getting-started__card ol { margin: var(--space-sm) 0 0; padding-left: 1.3rem; }
.landing-getting-started__card li { margin-bottom: var(--space-sm); color: var(--text-muted); }
.landing-getting-started__note { margin-top: var(--space-md); margin-bottom: 0; font-size: var(--text-sm); }

/* ---------- Download band ---------- */
.landing-download {
  margin: var(--space-2xl) 0 var(--space-xl);
  padding: clamp(2.5rem, 6vw, 4rem) var(--space-xl);
  border-radius: 22px;
  text-align: center;
  background: linear-gradient(150deg, #2f3040 0%, #3a4a3a 100%);
  color: #eef4ec;
  box-shadow: var(--shadow-lg);
}
.landing-download__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  border: none;
  margin: 0 0 var(--space-sm);
  color: #fff;
}
.landing-download__sub { color: #c7d4c4; margin-bottom: var(--space-lg); line-height: 1.6; }
.landing-download__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-md);
}
.landing-download .cta-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #eef4ec;
  border-color: rgba(255, 255, 255, 0.25);
}
.landing-download .cta-secondary:hover { background: rgba(255, 255, 255, 0.16); color: #fff; border-color: #fff; }
.landing-download__version {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: #9fb09c;
  margin: 0;
}

/* ---------- Footer ---------- */
.landing-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}
.landing-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.landing-footer__brand { display: flex; flex-direction: column; }
.landing-footer__logo { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 700; }
.landing-footer__tagline { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--text-muted); }
.landing-footer__links { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.landing-footer__meta { font-size: var(--text-sm); color: var(--text-muted); text-align: right; }
.landing-footer__meta p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .landing-hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  .landing-hero__tagline { max-width: none; }
  .landing-hero__cta { justify-content: center; }
  .landing-page .tech-badges { justify-content: center; }
  .landing-hero__image { order: -1; }

  .landing-trust__grid { grid-template-columns: 1fr; }

  .landing-footer__inner { flex-direction: column; align-items: flex-start; }
  .landing-footer__meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-page * { transition: none !important; }
}