/* Kingdom OS Landing — Phase 1.1
   Visual language aligned with Frontend_Hall Kingdom V2 tokens
   (dark navy shell, teal accents, glowing district-style cards). */

:root {
  color-scheme: dark;

  --kingdom-bg-base: #060b1b;
  --kingdom-bg-shell-start: #040914;
  --kingdom-bg-shell-end: #060b15;
  --kingdom-bg-card-top: rgba(17, 28, 52, 0.72);
  --kingdom-bg-card-bottom: rgba(10, 18, 34, 0.82);
  --kingdom-bg-panel: rgba(8, 15, 30, 0.92);

  --kingdom-text-primary: #e9f1ff;
  --kingdom-text-strong: #edf3ff;
  --kingdom-text-muted: #a9b9d8;
  --kingdom-text-label: #9fb4d8;

  --kingdom-border: rgba(96, 129, 181, 0.28);
  --kingdom-border-soft: rgba(106, 139, 191, 0.34);
  --kingdom-border-teal: rgba(0, 255, 200, 0.35);

  --kingdom-glow-blue: rgba(82, 139, 236, 0.3);
  --kingdom-glow-teal: rgba(0, 255, 200, 0.15);
  --kingdom-glow-teal-strong: rgba(0, 223, 162, 0.55);
  --kingdom-glow-green: rgba(36, 187, 128, 0.23);
  --kingdom-shadow-card: rgba(3, 8, 20, 0.34);

  --accent-teal: #00dfa2;
  --accent-cyan: #22d3ee;
  --accent-blue: #60a5fa;
  --accent-violet: #c4b5fd;
  --accent-green: #34d399;

  --font-display: "Orbitron", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --radius: 12px;
  --max: 56rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--kingdom-text-primary);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(0, 223, 162, 0.08), transparent 55%),
    radial-gradient(700px 420px at 92% 8%, rgba(82, 139, 236, 0.12), transparent 50%),
    linear-gradient(180deg, var(--kingdom-bg-shell-start), var(--kingdom-bg-shell-end));
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  /* Pull fantasy saturation down; bias toward dashboard navy/teal */
  filter: saturate(0.72) contrast(1.05) brightness(0.78) hue-rotate(-8deg);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(4, 9, 20, 0.55) 0%,
      rgba(6, 11, 27, 0.5) 35%,
      rgba(6, 11, 27, 0.9) 72%,
      rgba(4, 9, 20, 0.98) 100%
    );
}

.hero-ui-wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 75% 30%, rgba(0, 223, 162, 0.1), transparent 55%),
    radial-gradient(ellipse 50% 35% at 20% 60%, rgba(82, 139, 236, 0.12), transparent 50%),
    linear-gradient(120deg, rgba(8, 15, 30, 0.35), transparent 45%);
  opacity: 0.95;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 38%, rgba(2, 6, 18, 0.78) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(0, 223, 162, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.12) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, transparent 10%, #000 40%, transparent 88%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, 38rem);
  margin: 0 auto 10vh;
  padding: 1.5rem 1.4rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--kingdom-border-soft);
  background: linear-gradient(160deg, rgba(17, 28, 52, 0.82), rgba(8, 15, 30, 0.9));
  box-shadow:
    inset 0 0 0 1px rgba(135, 174, 238, 0.06),
    0 0 28px rgba(0, 223, 162, 0.12),
    0 18px 40px rgba(3, 8, 20, 0.55);
  backdrop-filter: blur(10px);
}

.brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.15rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #f4fbff;
  text-shadow: 0 0 22px var(--kingdom-glow-teal-strong);
}

.product-tag {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 18ch;
  color: #f2f6ff;
}

.lede {
  margin: 0 0 1.4rem;
  max-width: 36ch;
  color: var(--kingdom-text-muted);
  font-size: 0.98rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid var(--kingdom-border-teal);
  background: linear-gradient(160deg, rgba(0, 223, 162, 0.22), rgba(10, 22, 43, 0.9));
  color: #edfff8;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  box-shadow:
    0 0 18px var(--kingdom-glow-teal),
    inset 0 0 0 1px rgba(0, 255, 200, 0.08);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(0, 255, 200, 0.55);
  box-shadow:
    0 0 28px var(--kingdom-glow-teal-strong),
    inset 0 0 0 1px rgba(0, 255, 200, 0.12);
}

.cta:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 3px;
}

.cta-glow {
  margin-top: 0.35rem;
}

.cta-secondary {
  background: transparent;
  color: #dcebff;
  border: 1px solid var(--kingdom-border-soft);
  box-shadow: none;
}

.cta-secondary:hover,
.cta-secondary:focus-visible {
  border-color: rgba(96, 165, 250, 0.55);
  background: rgba(19, 31, 53, 0.72);
  box-shadow: 0 0 16px var(--kingdom-glow-blue);
}

main {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 3.5rem 0 4.5rem;
}

.section {
  margin: 0 0 3.25rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kingdom-text-label);
}

.eyebrow.accent-teal {
  color: var(--accent-teal);
  text-shadow: 0 0 16px var(--kingdom-glow-teal);
}

.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--kingdom-text-strong);
}

.section-copy {
  margin: 0 0 1.5rem;
  max-width: 42rem;
  color: var(--kingdom-text-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  min-width: 0;
  padding: 1.15rem 1.2rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--kingdom-border-soft);
  background: linear-gradient(160deg, var(--kingdom-bg-card-top), var(--kingdom-bg-card-bottom));
  box-shadow:
    inset 0 0 0 1px rgba(135, 174, 238, 0.05),
    0 10px 28px var(--kingdom-shadow-card);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.product-card:hover {
  transform: translateY(-2px);
}

.product-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--kingdom-text-strong);
}

.product-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--kingdom-text-muted);
}

.card-chip {
  display: inline-block;
  margin-bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.accent-docs {
  --card-accent: var(--accent-cyan);
  --card-glow: rgba(6, 182, 212, 0.35);
  border-color: rgba(34, 211, 238, 0.45);
}

.accent-docs .card-chip {
  color: var(--accent-cyan);
}

.accent-docs:hover {
  box-shadow:
    inset 0 0 0 1px rgba(34, 211, 238, 0.08),
    0 0 22px var(--card-glow),
    0 10px 28px var(--kingdom-shadow-card);
}

.accent-tasks {
  --card-accent: var(--accent-blue);
  --card-glow: rgba(59, 130, 246, 0.35);
  border-color: rgba(96, 165, 250, 0.45);
}

.accent-tasks .card-chip {
  color: var(--accent-blue);
}

.accent-tasks:hover {
  box-shadow:
    inset 0 0 0 1px rgba(96, 165, 250, 0.08),
    0 0 22px var(--card-glow),
    0 10px 28px var(--kingdom-shadow-card);
}

.accent-knowledge {
  --card-accent: var(--accent-violet);
  --card-glow: rgba(139, 92, 246, 0.35);
  border-color: rgba(196, 181, 253, 0.45);
}

.accent-knowledge .card-chip {
  color: var(--accent-violet);
}

.accent-knowledge:hover {
  box-shadow:
    inset 0 0 0 1px rgba(196, 181, 253, 0.08),
    0 0 22px var(--card-glow),
    0 10px 28px var(--kingdom-shadow-card);
}

.pilot-panel {
  padding: 1.5rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--kingdom-border-teal);
  background:
    linear-gradient(160deg, rgba(8, 58, 48, 0.45), rgba(8, 15, 30, 0.92));
  box-shadow:
    0 0 24px var(--kingdom-glow-teal),
    inset 0 0 0 1px rgba(0, 255, 200, 0.06);
}

.note {
  margin: 0;
  font-size: 0.92rem;
  color: color-mix(in srgb, var(--kingdom-text-muted) 88%, #7dd3fc);
}

.section-cta {
  text-align: left;
}

.footer {
  border-top: 1px solid var(--kingdom-border);
  padding: 1.75rem 1.25rem 2.5rem;
  text-align: center;
  color: var(--kingdom-text-muted);
  font-size: 0.9rem;
  background: rgba(4, 9, 20, 0.65);
}

.footer p {
  margin: 0.25rem 0;
}

.version {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--kingdom-text-label);
}

@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-content {
    margin-bottom: 7vh;
    padding: 1.2rem 1.1rem 1.35rem;
  }

  .hero h1,
  .lede {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .cta,
  .product-card {
    transition: none;
  }
}

.pilot-badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(0, 223, 162, 0.45);
  border-radius: 999px;
  color: #00dfa2;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}