/* ==========================================================================
   LiveBytes Studio — Shared Design System (proto2)
   Reference-only prototype tokens. Import from product subpages.
   Visual direction: calm obsidian field, light glass, restrained glow.
   ========================================================================== */

:root {
  /* Core surfaces */
  --obsidian: #080e14;
  --obsidian-lift: #101922;
  --obsidian-edge: #182430;

  /* Ink */
  --ink-primary: #e8f1f5;
  --ink-muted: #94a3b8;
  --ink-dim: #64748b;

  /* Studio accents */
  --teal-dark: #0f766e;
  --teal-primary: #14b8a6;
  --teal-mint: #99f6e4;

  /* Product accents (Andi subpages) */
  --cyan: #00b4d8;
  --emerald: #10b981;
  --amethyst: #7b2cbf;

  /* Surfaces & lines */
  --surface: rgba(16, 25, 34, 0.65);
  --surface-solid: var(--obsidian-lift);
  --surface-hover: rgba(24, 36, 48, 0.85);
  --glass: rgba(16, 25, 34, 0.58);
  --line: rgba(232, 241, 245, 0.1);
  --line-teal: rgba(153, 246, 228, 0.22);
  --focus-ring: rgba(20, 184, 166, 0.55);

  /* Typography */
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;

  /* Layout */
  --max: 68rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  background-color: var(--obsidian);
  background-image:
    radial-gradient(ellipse 75% 48% at 48% -6%, rgba(20, 184, 166, 0.18), transparent 58%),
    radial-gradient(ellipse 50% 38% at 92% 88%, rgba(15, 118, 110, 0.11), transparent 52%);
  background-attachment: fixed;
}

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

a {
  color: var(--teal-mint);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #ffffff;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Layout utilities
   -------------------------------------------------------------------------- */

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--pad);
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--obsidian-lift);
  border: 1px solid var(--line-teal);
  border-radius: var(--radius-sm);
  color: var(--ink-primary);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* --------------------------------------------------------------------------
   Header & navigation
   -------------------------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.site-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.site-brand:hover {
  color: var(--teal-mint);
}

.brand-logo-svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.35rem;
}

.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.925rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--teal-mint);
}

.site-nav a[target="_blank"]::after {
  content: " ↗";
  font-size: 0.8em;
  opacity: 0.75;
}

/* --------------------------------------------------------------------------
   Hero — one composition, no clutter
   -------------------------------------------------------------------------- */

.hero {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink-primary);
  max-width: 16ch;
  margin-bottom: 1.35rem;
}

.headline-brand {
  color: var(--teal-mint);
}

.hero-lede {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--ink-muted);
  max-width: 42rem;
  margin-bottom: 2rem;
}

.hero-lede strong {
  color: var(--ink-primary);
  font-weight: 600;
}

.pull-quote {
  margin: 2rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: var(--ink-muted);
  font-style: italic;
  max-width: 36rem;
}

@keyframes hero-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-animate {
  animation: hero-fade-in 0.7s var(--ease) both;
}

.hero-animate-delay {
  animation: hero-fade-in 0.7s var(--ease) 0.12s both;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.cta-group {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.925rem;
  transition:
    background-color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.btn-primary {
  background: var(--teal-primary);
  color: var(--obsidian);
  border: 1px solid rgba(153, 246, 228, 0.25);
}

.btn-primary:hover {
  background: var(--teal-mint);
  color: var(--obsidian);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-primary);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  border-color: var(--line-teal);
  color: var(--teal-mint);
}

/* --------------------------------------------------------------------------
   Organon workbench — glass where hierarchy helps
   -------------------------------------------------------------------------- */

.organon-section {
  background: var(--glass);
  border: 1px solid var(--line-teal);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  margin: 2.5rem 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.organon-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.organon-intro p {
  color: var(--ink-muted);
  max-width: 44rem;
  margin-bottom: 2rem;
}

.organon-intro em {
  font-style: italic;
  color: var(--ink-primary);
}

.founder-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--ink-dim);
}

.founder-note a {
  color: var(--ink-muted);
  text-decoration: none;
}

.founder-note a:hover {
  color: var(--teal-mint);
}

/* --------------------------------------------------------------------------
   Product cards — calm surfaces
   -------------------------------------------------------------------------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--surface-solid);
  border: 1px solid var(--obsidian-edge);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  transition:
    border-color 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.product-card:hover {
  border-color: var(--line-teal);
  transform: translateY(-2px);
}

.card-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.85rem;
}

.badge-synesis {
  background: rgba(0, 180, 216, 0.1);
  color: var(--cyan);
  border: 1px solid rgba(0, 180, 216, 0.25);
}

.badge-phronesis {
  background: rgba(16, 185, 129, 0.1);
  color: var(--emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.product-card p {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-bottom: 1.15rem;
}

.card-link {
  color: var(--teal-mint);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.card-link:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Notes / blog section
   -------------------------------------------------------------------------- */

.section-header {
  margin: 3.5rem 0 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.section-sub {
  color: var(--ink-dim);
  font-size: 0.9rem;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.note-card {
  background: var(--surface-solid);
  border: 1px solid var(--obsidian-edge);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color 0.2s var(--ease);
}

.note-card:hover {
  border-color: var(--line);
}

.note-tag {
  font-size: 0.72rem;
  color: var(--teal-mint);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.45rem;
}

.note-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
  line-height: 1.35;
}

.note-card p {
  font-size: 0.925rem;
  color: var(--ink-muted);
}

.note-card.is-placeholder {
  opacity: 0.92;
}

.note-card.is-placeholder .note-tag::after {
  content: " · sample";
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  color: var(--ink-dim);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-dim);
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  color: var(--ink-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--teal-mint);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 540px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-headline {
    max-width: none;
  }
}