/* ================================================================
   GoMLX Design System — main.css
   Aesthetic: Editorial-technical. DM Sans + DM Mono. Teal accent.
   ================================================================ */

/* ── Custom properties ── */
:root {
  --accent: #0FA878;
  --accent-dark: #0C8A62;
  --accent-light: #E6FAF3;
  --accent-dim: rgba(15, 168, 120, 0.12);

  --bg: #FFFFFF;
  --bg-2: #F7F8F6;
  --bg-3: #EEEEE8;
  --bg-code: #1A1D1B;

  --text: #14160F;
  --text-2: #4A4E44;
  --text-3: #898D84;
  --text-inv: #FFFFFF;

  --border: rgba(20, 22, 15, 0.08);
  --border-2: rgba(20, 22, 15, 0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;
  --font-display: 'DM Serif Display', Georgia, serif;

  --nav-h: 60px;
  --container-w: 95% !important;
  /* --container-w: 1160px; */

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);

  color-scheme: light;
}

[data-theme="dark"] {
  --accent: #15D196;
  --accent-dark: #0FA878;
  --accent-light: #0D2B22;
  --accent-dim: rgba(21, 209, 150, 0.10);

  --bg: #0F1210;
  --bg-2: #161A17;
  --bg-3: #1E2420;
  --bg-code: #111411;

  --text: #EEF0EC;
  --text-2: #A8ADA4;
  --text-3: #666B62;

  --border: rgba(238, 240, 236, 0.07);
  --border-2: rgba(238, 240, 236, 0.13);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);

  color-scheme: dark;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

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

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

code {
  font-family: var(--font-mono);
}

ul {
  list-style: none;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Section helpers ── */
.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-2);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 40px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}

.btn-secondary:hover {
  background: var(--bg-2);
  border-color: var(--border-2);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(15, 168, 120, 0.3);
}

/* ================================================================
   NAV
   ================================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 36px;
  flex-shrink: 0;
}

.nav-wordmark {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.nav-version {
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--bg-3);
  color: var(--text-3);
  padding: 2px 7px;
  border-radius: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  font-size: 14px;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.14s;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--text);
  background: var(--bg-2);
}

.nav-link.is-active {
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-search-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.14s;
  font-family: var(--font-sans);
}

.nav-search-trigger:hover {
  border-color: var(--border-2);
  color: var(--text-2);
}

.nav-search-trigger kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-3);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text-3);
}

.nav-github {
  display: flex;
  align-items: center;
  padding: 6px;
  color: var(--text-2);
  border-radius: var(--radius-sm);
  transition: all 0.14s;
}

.nav-github:hover {
  color: var(--text);
  background: var(--bg-2);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.14s;
  font-family: var(--font-sans);
}

.theme-toggle:hover {
  border-color: var(--border-2);
  color: var(--text);
}

[data-theme="light"] .icon-moon {
  display: none;
}

[data-theme="dark"] .icon-sun {
  display: none;
}

.nav-hamburger {
  display: none;
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 100%);
  opacity: 0.5;
}

.hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(15, 168, 120, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero>.container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(15, 168, 120, 0.2);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.65;
  max-width: 560px;
  margin: 0 auto 36px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-meta {
  font-size: 13px;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-top: 20px;
}

/* ================================================================
   CODE PREVIEW
   ================================================================ */
.code-preview-section {
  padding: 80px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.code-preview-section .section-title {
  margin-bottom: 40px;
}

.code-window {
  background: var(--bg-code);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.code-window-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.window-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.window-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.window-dots span:nth-child(1) {
  background: #FF5F56;
}

.window-dots span:nth-child(2) {
  background: #FFBD2E;
}

.window-dots span:nth-child(3) {
  background: #27C93F;
}

.code-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
}

.code-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  background: transparent;
  border: none;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.14s;
  font-family: var(--font-sans);
}

.code-tab:hover {
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
}

.code-tab.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.14s;
  font-family: var(--font-sans);
  flex-shrink: 0;
}

.copy-btn:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.25);
}

.copy-btn.copied {
  color: var(--accent);
  border-color: var(--accent);
}

.code-panels {
  position: relative;
}

.code-panel {
  display: none;
}

.code-panel.is-active {
  display: block;
}

.code-panel pre {
  margin: 0;
  padding: 28px 32px;
  overflow-x: auto;
}

.code-panel pre code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  color: #d4d4d4;
  white-space: pre;
}

/* Inline syntax highlights (used in partial HTML) */
.code-panel .c {
  color: #6A9955;
}

/* comment */
.code-panel .kw {
  color: #569CD6;
}

/* keyword */
.code-panel .fn {
  color: #DCDCAA;
}

/* function */
.code-panel .s {
  color: #CE9178;
}

/* string */
.code-panel .n {
  color: #B5CEA8;
}

/* number */

/* ================================================================
   FEATURES
   ================================================================ */
.features-section {
  padding: 96px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.2s;
}

.feature-card:hover {
  border-color: var(--border-2);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card--large {
  grid-column: span 1;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon--blue {
  background: #EAF3FB;
  color: #2070B4;
}

.feature-icon--green {
  background: #EAF6EC;
  color: #1E7A34;
}

.feature-icon--amber {
  background: #FDF5E6;
  color: #A0680A;
}

.feature-icon--purple {
  background: #F0EDFB;
  color: #6B40C0;
}

.feature-icon--coral {
  background: #FAECEA;
  color: #B34028;
}

.feature-icon--teal {
  background: #E6FAF3;
  color: #0C8A62;
}

[data-theme="dark"] .feature-icon--blue {
  background: rgba(32, 112, 180, 0.15);
  color: #7AB8E8;
}

[data-theme="dark"] .feature-icon--green {
  background: rgba(30, 122, 52, 0.15);
  color: #6DC882;
}

[data-theme="dark"] .feature-icon--amber {
  background: rgba(160, 104, 10, 0.15);
  color: #E0A84A;
}

[data-theme="dark"] .feature-icon--purple {
  background: rgba(107, 64, 192, 0.15);
  color: #A880F0;
}

[data-theme="dark"] .feature-icon--coral {
  background: rgba(179, 64, 40, 0.15);
  color: #E88070;
}

[data-theme="dark"] .feature-icon--teal {
  background: rgba(15, 168, 120, 0.15);
  color: #15D196;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.65;
}

.feature-card p code {
  font-size: 13px;
  background: var(--bg-3);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--accent);
}

.feature-link {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  margin-top: 14px;
  font-weight: 500;
  transition: gap 0.14s;
}

.feature-link:hover {
  text-decoration: underline;
}

/* ================================================================
   EXAMPLES STRIP
   ================================================================ */
.examples-strip {
  padding: 96px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.example-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all 0.18s;
  cursor: pointer;
}

.example-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  transform: translateY(-2px);
}

.example-tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 9px;
  border-radius: 20px;
  margin-bottom: 12px;
  width: fit-content;
}

.example-tag--vision {
  background: #EAF3FB;
  color: #1A5E90;
}

.example-tag--nlp {
  background: #F0EDFB;
  color: #5A30A8;
}

.example-tag--rl {
  background: #FDF5E6;
  color: #8A5008;
}

[data-theme="dark"] .example-tag--vision {
  background: rgba(26, 94, 144, 0.2);
  color: #7AB8E8;
}

[data-theme="dark"] .example-tag--nlp {
  background: rgba(90, 48, 168, 0.2);
  color: #A880F0;
}

[data-theme="dark"] .example-tag--rl {
  background: rgba(138, 80, 8, 0.2);
  color: #E0A84A;
}

.example-card h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.example-card p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.55;
  flex: 1;
}

.example-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

.colab-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(15, 168, 120, 0.2);
  padding: 3px 9px;
  border-radius: 20px;
  transition: all 0.14s;
}

.example-card:hover .colab-badge {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.example-lang {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--font-mono);
}

.examples-cta {
  margin-top: 36px;
  text-align: center;
}

/* ================================================================
   COMMUNITY STRIP
   ================================================================ */
.community-strip {
  padding: 96px 0;
}

.community-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.community-text h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 14px;
}

.community-text p {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 28px;
}

.community-text strong {
  color: var(--text);
  font-weight: 500;
}

.community-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.community-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-3);
}

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-3);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-brand .nav-logo {
  margin-bottom: 8px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 14px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-3);
  transition: color 0.14s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-3);
}

/* ================================================================
   COMMUNITY GRID (from /community/_index.md)
   ================================================================ */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 2rem;
}

.community-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg, 12px);
  padding: 24px;
  transition: all 0.18s;
  text-decoration: none !important;
  color: var(--text) !important;
}

.community-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  transform: translateY(-2px);
}

.community-card svg,
.community-card img {
  margin-bottom: 16px;
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.community-card h3 {
  margin: 0 0 8px 0;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--heading) !important;
}

.community-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .examples-grid {
    grid-template-columns: 1fr 1fr;
  }

  .community-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 6px;
  }

  .nav-hamburger span {
    width: 100%;
    height: 1.5px;
    background: var(--text);
    border-radius: 1px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .examples-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

  .community-stats {
    grid-template-columns: 1fr 1fr;
  }

  .nav-search-trigger span,
  .nav-search-trigger kbd {
    display: none;
  }
}