/* ============================================================
   Kesha Voice Kit — site styles
   Art direction: dark, technical, signal-processing aesthetic
   with a single electric-cyan accent + warm amber highlight.
   ============================================================ */

/* ---------------- Tokens ---------------- */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 6.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 720px;
  --content-default: 1080px;
  --content-wide: 1240px;

  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

/* DARK (default) */
:root,
[data-theme='dark'] {
  --color-bg: #0b1014;
  --color-bg-deep: #070a0d;
  --color-surface: #11171c;
  --color-surface-2: #161d24;
  --color-surface-3: #1c252d;
  --color-divider: #1e2730;
  --color-border: #283340;
  --color-border-strong: #344150;

  --color-text: #e6edf3;
  --color-text-muted: #94a3b1;
  --color-text-faint: #5d6b7a;
  --color-text-inverse: #0b1014;

  --color-primary: #4ee3d3;          /* electric cyan-mint */
  --color-primary-hover: #6ff0e0;
  --color-primary-dim: #1f4e4a;
  --color-primary-glow: rgba(78, 227, 211, 0.35);

  --color-amber: #ffb44a;             /* warmth accent (used sparingly) */
  --color-amber-dim: rgba(255, 180, 74, 0.15);

  --color-rust: #ff7849;              /* Rust nod */
  --color-purple: #a78bfa;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 0 1px rgba(78, 227, 211, 0.18), 0 24px 64px rgba(78, 227, 211, 0.12);

  --grid-color: rgba(255, 255, 255, 0.035);
  --grid-color-strong: rgba(255, 255, 255, 0.06);
}

/* LIGHT */
[data-theme='light'] {
  --color-bg: #f8f7f3;
  --color-bg-deep: #f1efea;
  --color-surface: #ffffff;
  --color-surface-2: #f3f1eb;
  --color-surface-3: #ebe8e0;
  --color-divider: #e6e2d8;
  --color-border: #d6d1c4;
  --color-border-strong: #b9b3a4;

  --color-text: #14191f;
  --color-text-muted: #5a6671;
  --color-text-faint: #8e98a3;
  --color-text-inverse: #ffffff;

  --color-primary: #0a8174;
  --color-primary-hover: #0c9485;
  --color-primary-dim: #c9eee8;
  --color-primary-glow: rgba(10, 129, 116, 0.18);

  --color-amber: #c97a17;
  --color-amber-dim: rgba(201, 122, 23, 0.14);

  --color-rust: #c95a2a;
  --color-purple: #6b4ed8;

  --shadow-sm: 0 1px 2px rgba(20, 25, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 25, 31, 0.08);
  --shadow-lg: 0 24px 64px rgba(20, 25, 31, 0.12);
  --shadow-glow: 0 0 0 1px rgba(10, 129, 116, 0.22), 0 24px 64px rgba(10, 129, 116, 0.12);

  --grid-color: rgba(20, 25, 31, 0.04);
  --grid-color-strong: rgba(20, 25, 31, 0.07);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: clip;
  position: relative;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
  font: inherit;
}

ul[role='list'] {
  list-style: none;
}

::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

h1,
h2,
h3,
h4 {
  text-wrap: balance;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

p {
  text-wrap: pretty;
  max-width: 68ch;
}

code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

a,
button,
[role='button'] {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------- Background decoration ---------------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 100%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  pointer-events: none;
}
.bg-glow--1 {
  top: -200px;
  left: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-primary-glow), transparent 65%);
}
.bg-glow--2 {
  top: 200px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-amber-dim), transparent 65%);
  opacity: 0.6;
}

/* ---------------- Container ---------------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}

/* ---------------- Header ---------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background 200ms ease;
}
.header.is-scrolled {
  border-bottom-color: var(--color-divider);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 600;
}
.brand__mark {
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand__name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.brand__dot {
  color: var(--color-primary);
  margin-inline: 1px;
}

.nav {
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.nav a {
  position: relative;
  padding: var(--space-1) 0;
}
.nav a:hover {
  color: var(--color-text);
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}
.nav a:hover::after {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.6rem 1.05rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.15) inset, 0 8px 24px var(--color-primary-glow);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 12px 32px var(--color-primary-glow);
}
.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-2);
}
.btn .stars {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding-left: var(--space-2);
  border-left: 1px solid var(--color-border);
  margin-left: var(--space-1);
}

/* Hide stars chip while it's the placeholder so we don't show a stale count */
#github-stars[data-loaded='false'] {
  opacity: 0.55;
}

/* ---------------- Hero ---------------- */
.hero {
  padding-top: clamp(var(--space-16), 8vw, var(--space-32));
  padding-bottom: clamp(var(--space-16), 6vw, var(--space-24));
  position: relative;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
}
.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 25%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 22%, transparent); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--color-primary) 0%, transparent); }
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.025em;
  max-width: 16ch;
}
.hero__title .serif {
  font-family: var(--font-display);
  font-weight: 400;
  display: block;
  font-size: 1.05em;
  line-height: 0.95;
}
.hero__title .italic {
  font-style: italic;
}
.hero__title-rest {
  display: block;
  font-size: 0.4em;
  font-weight: 400;
  font-family: var(--font-body);
  letter-spacing: -0.01em;
  color: var(--color-text-muted);
  margin-top: var(--space-5);
  line-height: 1.3;
  max-width: 26ch;
  margin-inline: auto;
}
.hl {
  color: var(--color-text);
  font-weight: 600;
  position: relative;
  white-space: nowrap;
}
.hl::after {
  content: '';
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 0;
  height: 0.42em;
  background: color-mix(in srgb, var(--color-primary) 30%, transparent);
  z-index: -1;
  border-radius: 2px;
}

.hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  text-align: center;
  margin-inline: auto;
}
.hero__sub strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Animated waveform */
.waveform {
  width: 100%;
  max-width: 560px;
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}
.waveform__bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 64px;
}
.waveform__bars span {
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(to top, var(--color-primary), color-mix(in srgb, var(--color-primary) 20%, transparent));
  transform-origin: center;
  animation: wave 1.4s ease-in-out infinite;
  animation-delay: calc(var(--i) * -0.07s);
  height: 100%;
}
@keyframes wave {
  0%, 100% { transform: scaleY(0.15); opacity: 0.65; }
  50% { transform: scaleY(1); opacity: 1; }
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.install-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.55rem 0.55rem 0.55rem 1rem;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-top: var(--space-4);
  box-shadow: var(--shadow-sm);
  max-width: 100%;
  overflow-x: auto;
}
.install-pill code {
  white-space: nowrap;
}
.install-pill .prompt {
  color: var(--color-primary);
  margin-right: var(--space-2);
  user-select: none;
}
.copy {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
}
.copy:hover {
  color: var(--color-primary);
  background: var(--color-primary-dim);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-12);
  width: 100%;
  max-width: 760px;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-6);
}
.stat-row li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-text);
  line-height: 1;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 640px) {
  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------------- Section base ---------------- */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  position: relative;
}
.section--alt {
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-bg-deep) 8%,
    var(--color-bg-deep) 92%,
    transparent 100%
  );
}

.section-head {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary);
}
.section-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  max-width: 18ch;
}
.section-title .serif {
  font-family: var(--font-display);
  font-weight: 400;
}
.section-title .italic {
  font-style: italic;
}
.section-sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 56ch;
  text-align: center;
}

/* ---------------- Feature grid ---------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-5);
}
.feature {
  grid-column: span 2;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: border-color 220ms ease, transform 220ms ease, background 220ms ease;
}
.feature:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}
.feature--lg {
  grid-column: span 6;
  padding: var(--space-10);
  background: linear-gradient(
    135deg,
    var(--color-surface) 0%,
    color-mix(in srgb, var(--color-primary) 6%, var(--color-surface)) 100%
  );
}
.feature--lg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle at 90% 0%,
    var(--color-primary-glow),
    transparent 50%
  );
  pointer-events: none;
}
.feature--rust {
  grid-column: span 4;
}
.feature--openclaw {
  grid-column: span 2;
}
/* Layout sequence:
   row 1: feature--lg (span 6)
   row 2: 3 features (each span 2 = 6)
   row 3: feature--rust (4) + feature--openclaw (2) = 6 */
.feature__icon {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-2);
}
.feature h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.feature p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 56ch;
}
.feature p strong {
  color: var(--color-text);
  font-weight: 600;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: 0;
}
.chip-row li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

@media (max-width: 960px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature, .feature--lg, .feature--rust, .feature--openclaw { grid-column: span 2; }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature, .feature--lg, .feature--rust, .feature--openclaw { grid-column: span 1; }
}

/* ---------------- Benchmark ---------------- */
.bench-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.bench-copy .section-eyebrow,
.bench-copy .section-title,
.bench-copy .section-sub {
  text-align: left;
  max-width: none;
}
.bench-copy .section-title {
  margin-block: var(--space-3) var(--space-4);
}
.bench-copy code {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 0.05rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
}
.bench-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding: 0;
  list-style: none;
}
.bench-stats li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.bench-stats strong {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1;
  color: var(--color-primary);
}
.bench-stats span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-top: var(--space-6);
  font-weight: 500;
}
.link-arrow:hover {
  color: var(--color-primary-hover);
}
.link-arrow:hover svg {
  transform: translateX(3px);
}
.link-arrow svg {
  transition: transform var(--transition-interactive);
}
.bench-figure {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.bench-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}
[data-theme='dark'] .bench-figure img {
  filter: invert(1) hue-rotate(180deg) saturate(0.85);
  background: var(--color-surface);
}
.bench-figure figcaption {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}

@media (max-width: 880px) {
  .bench-layout { grid-template-columns: 1fr; }
}

/* ---------------- Quick start ---------------- */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}
.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
}
.step__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}
.step h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}
.step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 880px) {
  .quick-grid { grid-template-columns: 1fr; }
}

/* Code blocks */
.code-block {
  position: relative;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow-x: auto;
  margin-top: auto;
}
.code-block pre {
  white-space: pre;
  line-height: 1.65;
}
.code-block .copy {
  position: absolute;
  top: 8px;
  right: 8px;
  opacity: 0;
  transition: opacity 180ms ease, color 180ms ease, background 180ms ease;
}
.code-block:hover .copy,
.code-block:focus-within .copy {
  opacity: 1;
}
.code-block .muted { color: var(--color-primary); user-select: none; }
.code-block .cm { color: var(--color-text-faint); font-style: italic; }
.code-block .kw { color: var(--color-amber); }
.code-block .str { color: #6ddccd; }
.code-block .fn { color: var(--color-purple); }
.code-block--lg {
  padding: var(--space-6) var(--space-8);
  font-size: 0.88rem;
}

/* Tabs */
.tabs {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}
.tabs__nav button {
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.tabs__nav button:hover {
  color: var(--color-text);
}
.tabs__nav button.is-active {
  background: var(--color-bg-deep);
  color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-border);
}
.tabs__panel {
  display: none;
  padding: var(--space-6);
}
.tabs__panel.is-active {
  display: block;
}
.tabs__panel .code-block {
  border: none;
  background: transparent;
  margin: 0;
  padding: 0;
}

/* ---------------- Models table ---------------- */
.models-table {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.models-table__head,
.models-table__row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1.5fr;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  align-items: center;
  font-size: var(--text-sm);
}
.models-table__head {
  background: var(--color-surface-2);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  border-bottom: 1px solid var(--color-border);
}
.models-table__row {
  border-bottom: 1px solid var(--color-divider);
  transition: background 200ms ease;
}
.models-table__row:last-child { border-bottom: none; }
.models-table__row:hover { background: var(--color-surface-2); }
.model-name {
  font-weight: 600;
  color: var(--color-text);
}
.model-name em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-amber);
  margin-left: var(--space-2);
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
  background: var(--color-amber-dim);
  vertical-align: middle;
}
.model-task { color: var(--color-text-muted); }
.model-size {
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  font-size: 0.85em;
}
.models-table a { color: var(--color-primary); }
.models-table a:hover { color: var(--color-primary-hover); }

.models-foot {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-inline: auto;
}
.models-foot a {
  color: var(--color-primary);
}

@media (max-width: 760px) {
  .models-table__head { display: none; }
  .models-table__row {
    grid-template-columns: 1fr;
    gap: var(--space-1);
    padding: var(--space-5);
  }
  .model-task::before { content: 'Task: '; color: var(--color-text-faint); }
  .model-size::before { content: 'Size: '; color: var(--color-text-faint); }
}

/* ---------------- Languages cloud ---------------- */
.lang-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  max-width: 800px;
  margin-inline: auto;
}
.lang-cloud span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-interactive);
}
.lang-cloud span:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.lang-foot {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-inline: auto;
}
.lang-foot a { color: var(--color-primary); }

/* ---------------- Integrations ---------------- */
.integrations {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.integration-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--transition-interactive);
}
.integration-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.integration-card__icon {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-md);
  color: var(--color-primary);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}
.integration-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
}
.integration-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  flex: 1;
}
.integration-card a {
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 500;
}
.integration-card a:hover { color: var(--color-primary-hover); }
.integration-card code {
  background: var(--color-surface-2);
  padding: 0.05rem 0.3rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.85em;
}

@media (max-width: 920px) {
  .integrations { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .integrations { grid-template-columns: 1fr; }
}

/* ---------------- CTA ---------------- */
.cta-section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.cta {
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--color-surface) 0%,
    color-mix(in srgb, var(--color-primary) 8%, var(--color-surface)) 100%
  );
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-8);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    ellipse at 50% -20%,
    var(--color-primary-glow),
    transparent 60%
  );
  pointer-events: none;
}
.cta__title {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  position: relative;
}
.cta__title .serif {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}
.cta__sub {
  margin: var(--space-4) auto 0;
  color: var(--color-text-muted);
  max-width: 50ch;
  position: relative;
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  position: relative;
}

/* ---------------- Footer ---------------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
  background: var(--color-bg-deep);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
}
.footer__brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-3);
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.footer__cols h4 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
  font-weight: 500;
}
.footer__cols ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__cols a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer__cols a:hover {
  color: var(--color-primary);
}
.footer__legal {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: var(--space-3);
}
@media (max-width: 760px) {
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__cols { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}

/* ---------------- Toast ---------------- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translate(-50%, 16px);
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 100;
}
.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------------- Reveal on scroll ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1), transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------- Mobile nav adjustments ---------------- */
@media (max-width: 920px) {
  .nav { display: none; }
  .header__inner { gap: var(--space-3); }
  .btn .stars { display: none; }
}
@media (max-width: 480px) {
  .header__actions .btn span:not(.stars) { display: none; }
}