/* =====================================================================
   Sydonia Toolkit — theme polish.
   Design direction: disciplined "customs / maritime" — deep teal hulls,
   amber manifest stamps, generous rhythm, layered surfaces. Tokens first,
   then components. Animation stays on transform/opacity only.
   ===================================================================== */

:root {
  --syt-ink: #0b2b30;
  --syt-teal: #0f766e;
  --syt-teal-deep: #0b4f4a;
  --syt-amber: #d97706;
  --syt-mist: #eef6f5;

  --syt-radius: 14px;
  --syt-shadow-sm: 0 1px 2px rgba(9, 42, 46, 0.06), 0 2px 8px rgba(9, 42, 46, 0.05);
  --syt-shadow-md: 0 6px 24px rgba(9, 42, 46, 0.10);
  --syt-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tighten Material's teal to our hull-teal in both schemes. */
[data-md-color-primary="teal"] {
  --md-primary-fg-color: var(--syt-teal);
  --md-primary-fg-color--dark: var(--syt-teal-deep);
}

/* ---- Hero ---------------------------------------------------------- */
.syt-hero {
  position: relative;
  margin: 0 0 3rem;
  padding: clamp(2.5rem, 1.5rem + 5vw, 5rem) clamp(1.25rem, 0.5rem + 3vw, 3.5rem);
  border-radius: var(--syt-radius);
  overflow: hidden;
  color: #eafffb;
  background:
    radial-gradient(120% 140% at 85% -10%, rgba(217, 119, 6, 0.35), transparent 55%),
    linear-gradient(135deg, var(--syt-teal-deep), var(--syt-ink) 70%);
  box-shadow: var(--syt-shadow-md);
  isolation: isolate;
}

/* faint "container ship" grid texture, drawn with a repeating gradient */
.syt-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, transparent, #000 40%, transparent);
  opacity: 0.6;
}

.syt-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #ffd9a8;
  margin: 0 0 0.85rem;
}

.syt-hero h1 {
  color: #ffffff;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-size: clamp(2rem, 1rem + 4.5vw, 3.6rem);
  margin: 0 0 0.75rem;
}

.syt-hero p {
  max-width: 60ch;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.2rem);
  line-height: 1.55;
  color: #cfeeea;
  margin: 0 0 1.75rem;
}

.syt-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.syt-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none !important;
  transition: transform var(--syt-ease) 220ms, box-shadow var(--syt-ease) 220ms;
  will-change: transform;
}
.syt-btn--primary {
  background: var(--syt-amber);
  color: #241100 !important;
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.35);
}
.syt-btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #eafffb !important;
  border: 1px solid rgba(255, 255, 255, 0.28);
}
.syt-btn:hover { transform: translateY(-2px); }
.syt-btn--primary:hover { box-shadow: 0 10px 26px rgba(217, 119, 6, 0.45); }

/* ---- Stat strip ---------------------------------------------------- */
.syt-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 0 0 3rem;
}
.syt-stat {
  padding: 1.1rem 1.25rem;
  border-radius: var(--syt-radius);
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  box-shadow: var(--syt-shadow-sm);
}
.syt-stat b {
  display: block;
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 800;
  color: var(--md-primary-fg-color);
  letter-spacing: -0.02em;
}
.syt-stat span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
}

/* ---- Card grid polish (Material `.grid.cards`) --------------------- */
.md-typeset .grid.cards > ul > li {
  border-radius: var(--syt-radius);
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: transform var(--syt-ease) 220ms, box-shadow var(--syt-ease) 220ms,
    border-color var(--syt-ease) 220ms;
  will-change: transform;
}
.md-typeset .grid.cards > ul > li:hover {
  transform: translateY(-4px);
  box-shadow: var(--syt-shadow-md);
  border-color: var(--md-primary-fg-color);
}

/* ---- Provenance badges --------------------------------------------- */
.md-typeset .prov {
  display: inline-block;
  padding: 0.12em 0.6em;
  border-radius: 999px;
  font-size: 0.72em;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: middle;
  white-space: nowrap;
}
.md-typeset .prov--documented {
  background: color-mix(in oklab, var(--syt-teal) 16%, transparent);
  color: var(--syt-teal);
  border: 1px solid color-mix(in oklab, var(--syt-teal) 34%, transparent);
}
.md-typeset .prov--inferred {
  background: color-mix(in oklab, var(--syt-amber) 16%, transparent);
  color: var(--syt-amber);
  border: 1px solid color-mix(in oklab, var(--syt-amber) 40%, transparent);
}

/* Mermaid diagrams: give them breathing room and center. */
.md-typeset .mermaid {
  margin: 1.5rem auto;
  text-align: center;
}

/* Wide reference tables scroll rather than overflow. */
.md-typeset__table { width: 100%; }
.md-typeset table:not([class]) { font-size: 0.78rem; }