/* ═══════════════════════════════════════════════════════
   ILMA Design System — main.css
   ilma-lang.dev
   ═══════════════════════════════════════════════════════ */

/* ── Google Fonts ───────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Custom Properties ──────────────────────────────── */
:root {
  --ilma-purple:       #534AB7;
  --ilma-purple-light: #7F77DD;
  --ilma-purple-dark:  #3C3489;
  --ilma-purple-pale:  #EEEDFE;
  --ilma-teal:         #0F6E56;
  --ilma-teal-light:   #E1F5EE;
  --ilma-dark:         #0f0e17;
  --ilma-dark-mid:     #1a1a2e;
  --ilma-dark-card:    #16213e;
  --ilma-dark-border:  rgba(255,255,255,0.08);
  --ilma-text:         #e8e8e8;
  --ilma-text-muted:   #9b9ab0;
  --ilma-code-bg:      #0d1117;
  --ilma-code-text:    #e6edf3;
  --ilma-white:        #ffffff;
  --ilma-light-bg:     #f8f8ff;
  --ilma-border:       #e0e0ef;
  --nav-height:        64px;
  --container-max:     1200px;
  --radius:            8px;
  --radius-lg:         12px;
  --radius-xl:         20px;
  --font:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --shadow:  0 4px 24px rgba(0,0,0,0.12);
  --shadow-dark: 0 4px 32px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font);
  color: #1a1a2e;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

a {
  color: var(--ilma-purple);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--ilma-purple-dark);
}

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

/* ── Typography ─────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1rem; }

p {
  line-height: 1.8;
  color: inherit;
}

code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--ilma-purple-pale);
  color: var(--ilma-purple-dark);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* ── Layout ─────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ─────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(15, 14, 23, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ilma-dark-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-nav.scrolled {
  background: rgba(15, 14, 23, 0.97);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ilma-white);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.5px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 32px;
}

.nav-logo:hover {
  color: var(--ilma-purple-light);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

/* Lucide icon sizing inside feature cards and showcase tabs */
.feature-icon svg,
.stb-icon svg {
  display: block;
}
.feature-icon svg { stroke: var(--ilma-purple); }
.feature-icon-dark svg { stroke: #a89fef; }
.stb-icon svg { stroke: var(--ilma-purple); }
.showcase-tab-btn.active .stb-icon svg { stroke: #fff; }

.nav-logo-text {
  font-family: var(--font);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
  color: var(--ilma-white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ilma-white);
  background: rgba(255,255,255,0.08);
}

.nav-links a.active {
  color: var(--ilma-purple-light);
}

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

.nav-cta a {
  font-size: 0.875rem;
  font-weight: 600;
}

.nav-github {
  display: flex;
  align-items: center;
  color: var(--ilma-text-muted);
  transition: color 0.2s;
  padding: 2px;
}
.nav-github:hover {
  color: var(--ilma-dark);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  color: white;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu hidden by default on all breakpoints */
.mobile-menu { display: none; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: var(--ilma-purple);
  color: var(--ilma-white);
  border-color: var(--ilma-purple);
}

.btn-primary:hover {
  background: var(--ilma-purple-dark);
  border-color: var(--ilma-purple-dark);
  color: var(--ilma-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(83,74,183,0.35);
}

.btn-secondary {
  background: var(--ilma-teal);
  color: var(--ilma-white);
  border-color: var(--ilma-teal);
}

.btn-secondary:hover {
  background: #0d5e49;
  border-color: #0d5e49;
  color: var(--ilma-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15,110,86,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--ilma-purple-light);
  border-color: rgba(127,119,221,0.4);
}

.btn-outline:hover {
  background: rgba(127,119,221,0.1);
  border-color: var(--ilma-purple-light);
  color: var(--ilma-purple-light);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.7);
  border-color: transparent;
  padding: 8px 14px;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--ilma-white);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
  border-radius: var(--radius);
}

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.badge-purple {
  background: var(--ilma-purple-pale);
  color: var(--ilma-purple-dark);
}

.badge-teal {
  background: var(--ilma-teal-light);
  color: var(--ilma-teal);
}

.badge-dark {
  background: rgba(127,119,221,0.2);
  color: var(--ilma-purple-light);
}

.badge-version {
  background: rgba(83,74,183,0.2);
  color: var(--ilma-purple-light);
  font-family: var(--mono);
  border: 1px solid rgba(83,74,183,0.3);
}

/* ── Hero Section ────────────────────────────────────── */
.hero {
  background: var(--ilma-dark);
  padding: 96px 0 80px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(83,74,183,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(15,110,86,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.hero h1 {
  color: var(--ilma-white);
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--ilma-purple-light), var(--ilma-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--ilma-text-muted);
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--ilma-dark-border);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ilma-white);
  letter-spacing: -0.03em;
}

.hero-stat .label {
  font-size: 0.78rem;
  color: var(--ilma-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Terminal / Code Window ──────────────────────────── */
.code-window {
  background: var(--ilma-code-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--ilma-dark-border);
  box-shadow: var(--shadow-dark);
}

.code-window-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--ilma-dark-border);
}

.traffic-lights {
  display: flex;
  gap: 6px;
}

.traffic-lights span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}

.traffic-lights .tl-red   { background: #ff5f57; }
.traffic-lights .tl-yellow { background: #ffbd2e; }
.traffic-lights .tl-green { background: #28ca41; }

.code-window-title {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  margin-left: 8px;
}

.code-window-body {
  padding: 24px;
  overflow-x: auto;
}

.code-window-body pre {
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ilma-code-text);
  white-space: pre;
  tab-size: 4;
}

/* ── Section Base ────────────────────────────────────── */
.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--ilma-dark);
  color: var(--ilma-text);
}

.section-dark-mid {
  background: var(--ilma-dark-mid);
  color: var(--ilma-text);
}

.section-light {
  background: var(--ilma-light-bg);
}

.section-white {
  background: var(--ilma-white);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  color: #5a5880;
  max-width: 560px;
  margin: 0 auto;
}

.section-dark .section-header p,
.section-dark-mid .section-header p {
  color: var(--ilma-text-muted);
}

.section-dark .section-header h2,
.section-dark-mid .section-header h2 {
  color: var(--ilma-white);
}

.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ilma-purple);
  margin-bottom: 8px;
  display: block;
}

.section-dark .section-eyebrow,
.section-dark-mid .section-eyebrow {
  color: var(--ilma-purple-light);
}

/* ── Feature Cards ───────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--ilma-white);
  border: 1px solid var(--ilma-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(83,74,183,0.12);
  border-color: var(--ilma-purple-pale);
}

.feature-card-dark {
  background: var(--ilma-dark-card);
  border: 1px solid var(--ilma-dark-border);
}

.feature-card-dark:hover {
  border-color: rgba(127,119,221,0.3);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--ilma-purple-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.feature-icon-dark {
  background: rgba(127,119,221,0.15);
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: #1a1a2e;
}

.feature-card-dark h3 {
  color: var(--ilma-white);
}

.feature-card p {
  font-size: 0.9rem;
  color: #5a5880;
  line-height: 1.7;
}

.feature-card-dark p {
  color: var(--ilma-text-muted);
}

/* ── Tab Component ───────────────────────────────────── */
.tabs {
  border-bottom: 2px solid var(--ilma-border);
  display: flex;
  gap: 0;
  margin-bottom: 32px;
}

.tab-btn {
  padding: 12px 20px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: #5a5880;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.tab-btn:hover {
  color: var(--ilma-purple);
}

.tab-btn.active {
  color: var(--ilma-purple);
  border-bottom-color: var(--ilma-purple);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tabs-dark .tab-btn {
  color: var(--ilma-text-muted);
  border-bottom-color: transparent;
}

.tabs-dark {
  border-bottom-color: var(--ilma-dark-border);
}

.tabs-dark .tab-btn:hover {
  color: var(--ilma-purple-light);
}

.tabs-dark .tab-btn.active {
  color: var(--ilma-purple-light);
  border-bottom-color: var(--ilma-purple-light);
}

/* ── "Why ILMA" Showcase Section ─────────────────────── */
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.showcase-tabs-container {
  display: flex;
  flex-direction: column;
}

.showcase-tab-body {
  display: none;
  animation: fadeIn 0.3s ease;
}

.showcase-tab-body.active {
  display: block;
}

.showcase-tab-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 0;
}

.showcase-tab-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: none;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
}

.showcase-tab-btn:hover {
  background: var(--ilma-purple-pale);
}

.showcase-tab-btn.active {
  background: var(--ilma-purple-pale);
  border-color: rgba(83,74,183,0.2);
}

.showcase-tab-btn .stb-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ilma-white);
  border-radius: var(--radius);
  border: 1px solid var(--ilma-border);
  box-shadow: var(--shadow);
}

.showcase-tab-btn.active .stb-icon {
  background: var(--ilma-purple);
}

.showcase-tab-btn .stb-text h4 {
  font-size: 0.95rem;
  color: #1a1a2e;
  margin-bottom: 2px;
}

.showcase-tab-btn .stb-text p {
  font-size: 0.82rem;
  color: #5a5880;
}

/* ── Package Cards ───────────────────────────────────── */
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.package-card {
  background: var(--ilma-white);
  border: 1px solid var(--ilma-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.package-card:hover {
  border-color: var(--ilma-purple);
  box-shadow: 0 4px 20px rgba(83,74,183,0.12);
  transform: translateY(-2px);
}

.package-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.package-name {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ilma-purple-dark);
}

.package-version {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ilma-text-muted);
  background: var(--ilma-purple-pale);
  padding: 2px 8px;
  border-radius: 100px;
  white-space: nowrap;
}

.package-desc {
  font-size: 0.88rem;
  color: #5a5880;
  line-height: 1.6;
}

.package-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.package-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--ilma-light-bg);
  color: #5a5880;
  border: 1px solid var(--ilma-border);
}

.package-copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--ilma-light-bg);
  border: 1px solid var(--ilma-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  margin-top: auto;
}

.package-copy-cmd {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ilma-purple-dark);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Blog Cards ──────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--ilma-dark-card);
  border: 1px solid var(--ilma-dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: rgba(127,119,221,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-card-date {
  font-size: 0.78rem;
  color: var(--ilma-text-muted);
}

.blog-card h3 {
  font-size: 1.05rem;
  color: var(--ilma-white);
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.88rem;
  color: var(--ilma-text-muted);
  line-height: 1.7;
  flex: 1;
}

.blog-card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--ilma-dark-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-card-author {
  font-size: 0.82rem;
  color: var(--ilma-text-muted);
}

.blog-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ilma-purple-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-read-more:hover {
  color: var(--ilma-purple-light);
  gap: 8px;
}

/* ── Docs Layout ─────────────────────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - var(--nav-height));
}

.docs-sidebar {
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  border-right: 1px solid var(--ilma-border);
  padding: 24px 0;
  scrollbar-width: thin;
  background: var(--ilma-white);
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}

.docs-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--ilma-border);
  border-radius: 2px;
}

.docs-sidebar-section {
  margin-bottom: 24px;
  padding: 0 16px;
}

.docs-sidebar-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #9b9ab0;
  padding: 0 8px;
  margin-bottom: 6px;
}

.docs-sidebar-section a {
  display: block;
  padding: 7px 10px;
  font-size: 0.875rem;
  color: #5a5880;
  border-radius: var(--radius);
  transition: all var(--transition);
  border-left: 2px solid transparent;
}

.docs-sidebar-section a:hover {
  color: var(--ilma-purple);
  background: var(--ilma-purple-pale);
}

.docs-sidebar-section a.active {
  color: var(--ilma-purple);
  background: var(--ilma-purple-pale);
  border-left-color: var(--ilma-purple);
  font-weight: 600;
}

.docs-content {
  padding: 48px 64px;
  max-width: 860px;
}

.docs-content h1 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: #1a1a2e;
}

.docs-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--ilma-border);
  color: #1a1a2e;
}

.docs-content h3 {
  font-size: 1.15rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: #1a1a2e;
}

.docs-content p {
  margin-bottom: 16px;
  color: #3a3858;
}

.docs-content ul {
  margin-bottom: 16px;
  padding-left: 20px;
  list-style: disc;
}

.docs-content ul li {
  margin-bottom: 8px;
  color: #3a3858;
}

.docs-content .try-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ilma-teal);
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--ilma-teal-light);
  margin-top: 8px;
}

.docs-content .try-link:hover {
  background: #c8eee2;
  color: var(--ilma-teal);
}

/* ── Code Blocks ─────────────────────────────────────── */
.code-block {
  background: var(--ilma-code-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.code-block-lang {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.code-block pre {
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--ilma-code-text);
  margin: 0;
}

/* ── Copy Button ─────────────────────────────────────── */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.copy-btn:hover {
  color: var(--ilma-purple-light);
  background: rgba(127,119,221,0.15);
  border-color: rgba(127,119,221,0.3);
}

.copy-btn.copied {
  color: #28ca41;
  background: rgba(40,202,65,0.1);
  border-color: rgba(40,202,65,0.3);
}

/* ── Syntax Highlighting ─────────────────────────────── */
.syn-comment  { color: #6a737d; font-style: italic; }
.syn-keyword  { color: #7F77DD; font-weight: 600; }
.syn-string   { color: #a5d6ff; }
.syn-number   { color: #f8c555; }
.syn-func     { color: #d2a8ff; }
.syn-op       { color: #ff7b72; }
.syn-builtin  { color: #79c0ff; }
.syn-bool     { color: #f8c555; }
.syn-type     { color: #ff9f43; }
.syn-output   { color: #98c379; font-style: italic; }

/* ── Install Page ────────────────────────────────────── */
.install-os-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

.install-os-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all var(--transition);
}

.install-os-btn:hover {
  background: rgba(127,119,221,0.15);
  border-color: rgba(127,119,221,0.3);
  color: var(--ilma-purple-light);
}

.install-os-btn.active {
  background: rgba(83,74,183,0.25);
  border-color: var(--ilma-purple-light);
  color: var(--ilma-white);
}

.install-os-icon {
  font-size: 1.3rem;
}

/* ── Playground ──────────────────────────────────────── */
.playground-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: calc(100vh - var(--nav-height));
}

.playground-editor {
  border-right: 1px solid var(--ilma-dark-border);
  display: flex;
  flex-direction: column;
}

.playground-output {
  background: var(--ilma-code-bg);
  display: flex;
  flex-direction: column;
}

.playground-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ilma-dark-border);
  background: rgba(255,255,255,0.03);
}

.playground-bar-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.playground-output-body {
  flex: 1;
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ilma-code-text);
  overflow-y: auto;
  white-space: pre-wrap;
}

.playground-output-body .out-line {
  color: #98c379;
}

.playground-output-body .err-line {
  color: #ff7b72;
}

.playground-output-body .hint {
  color: rgba(255,255,255,0.3);
  font-style: italic;
}

/* ── Learn Page ──────────────────────────────────────── */
.learn-hero {
  background: var(--ilma-dark);
  padding: 80px 0 60px;
}

.progress-bar-wrap {
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  height: 6px;
  margin-top: 20px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ilma-purple-light), var(--ilma-teal));
  border-radius: 100px;
  transition: width 0.6s ease;
}

.tier-section {
  padding: 64px 0;
}

.tier-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.tier-badge {
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tier-seed   { background: #e1f5ee; color: #0F6E56; }
.tier-sapling{ background: #e0f0ff; color: #1a73e8; }
.tier-tree   { background: var(--ilma-purple-pale); color: var(--ilma-purple-dark); }

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.lesson-card {
  background: var(--ilma-white);
  border: 1px solid var(--ilma-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.lesson-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.lesson-card.seed::before   { background: var(--ilma-teal); }
.lesson-card.sapling::before { background: #1a73e8; }
.lesson-card.tree::before   { background: var(--ilma-purple); }

.lesson-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.lesson-card-num {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9b9ab0;
  margin-bottom: 10px;
}

.lesson-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.lesson-card p {
  font-size: 0.85rem;
  color: #5a5880;
  margin-bottom: 16px;
}

.lesson-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lesson-duration {
  font-size: 0.78rem;
  color: #9b9ab0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.lesson-completed {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--ilma-teal);
  font-weight: 600;
}

/* ── Footer ──────────────────────────────────────────── */
.site-footer {
  background: #0a0a12;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  text-decoration: none;
}

.footer-brand .footer-logo img {
  height: 28px;
  filter: brightness(0) invert(1) opacity(0.8);
}

.footer-brand .footer-logo-text {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ilma-white);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  max-width: 280px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  transition: all var(--transition);
  text-decoration: none;
}

.footer-social a:hover {
  background: rgba(127,119,221,0.2);
  color: var(--ilma-purple-light);
  border-color: rgba(127,119,221,0.3);
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--ilma-purple-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-bottom-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* ── 404 Page ────────────────────────────────────────── */
.error-page {
  min-height: calc(100vh - var(--nav-height) - 280px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ilma-dark);
  padding: 80px 24px;
  text-align: center;
}

.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--ilma-purple-light), var(--ilma-purple-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.04em;
}

.error-title {
  font-size: 1.5rem;
  color: var(--ilma-white);
  margin-bottom: 12px;
}

.error-subtitle {
  color: var(--ilma-text-muted);
  margin-bottom: 40px;
}

/* ── Story / Quote Section ───────────────────────────── */
.quote-section {
  background: var(--ilma-white);
  padding: 80px 0;
}

.quote-card {
  background: var(--ilma-purple-pale);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  max-width: 740px;
  margin: 0 auto;
  border: 1px solid rgba(83,74,183,0.15);
}

.quote-mark {
  font-size: 5rem;
  line-height: 0.5;
  color: var(--ilma-purple-light);
  margin-bottom: 16px;
  font-family: Georgia, serif;
  display: block;
}

.quote-text {
  font-size: 1.3rem;
  font-style: italic;
  color: #1a1a2e;
  line-height: 1.7;
  margin-bottom: 24px;
}

.quote-attribution {
  font-size: 0.9rem;
  color: var(--ilma-purple);
  font-weight: 600;
}

/* ── Stats Banner ────────────────────────────────────── */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ilma-dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 48px 0;
}

.stat-item {
  background: var(--ilma-dark-card);
  padding: 28px;
  text-align: center;
}

.stat-item .number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--ilma-white);
  margin-bottom: 4px;
  letter-spacing: -0.03em;
}

.stat-item .label {
  font-size: 0.82rem;
  color: var(--ilma-text-muted);
}

/* ── Search Bar ──────────────────────────────────────── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 12px 16px;
  max-width: 480px;
  margin: 0 auto 40px;
  transition: all var(--transition);
}

.search-bar:focus-within {
  border-color: var(--ilma-purple-light);
  background: rgba(127,119,221,0.08);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--ilma-white);
}

.search-bar input::placeholder {
  color: rgba(255,255,255,0.35);
}

.search-icon {
  color: rgba(255,255,255,0.4);
  flex-shrink: 0;
}

/* ── Skeleton Loader ─────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.06) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Accordion / Expandable ──────────────────────────── */
.accordion-item {
  border: 1px solid var(--ilma-dark-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 8px;
}

.accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255,255,255,0.03);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ilma-text);
  cursor: pointer;
  transition: background var(--transition);
}

.accordion-btn:hover {
  background: rgba(255,255,255,0.06);
}

.accordion-chevron {
  transition: transform var(--transition);
  flex-shrink: 0;
}

.accordion-btn.open .accordion-chevron {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 16px 20px;
  font-size: 0.875rem;
  color: var(--ilma-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--ilma-dark-border);
}

.accordion-body.open {
  display: block;
}

/* ── Animations ──────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-12px); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(83,74,183,0.4); }
  50%       { box-shadow: 0 0 0 8px rgba(83,74,183,0); }
}

@keyframes typeCursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.animate-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-up:nth-child(1) { transition-delay: 0ms; }
.animate-fade-up:nth-child(2) { transition-delay: 80ms; }
.animate-fade-up:nth-child(3) { transition-delay: 160ms; }
.animate-fade-up:nth-child(4) { transition-delay: 240ms; }
.animate-fade-up:nth-child(5) { transition-delay: 320ms; }
.animate-fade-up:nth-child(6) { transition-delay: 400ms; }

.cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--ilma-purple-light);
  margin-left: 2px;
  animation: typeCursor 1s step-end infinite;
  vertical-align: text-bottom;
}

/* ── Utility Classes ─────────────────────────────────── */
.text-center { text-align: center; }
.text-purple  { color: var(--ilma-purple); }
.text-purple-light { color: var(--ilma-purple-light); }
.text-teal    { color: var(--ilma-teal); }
.text-muted   { color: var(--ilma-text-muted); }
.text-white   { color: var(--ilma-white); }

.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }

.divider {
  height: 1px;
  background: var(--ilma-border);
  margin: 32px 0;
}

.divider-dark {
  background: var(--ilma-dark-border);
}

/* ── Inline Terminal ─────────────────────────────────── */
.terminal-inline {
  background: var(--ilma-code-bg);
  border: 1px solid var(--ilma-dark-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 0.875rem;
  color: var(--ilma-code-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-prompt {
  color: var(--ilma-teal);
  font-weight: 600;
  flex-shrink: 0;
}

/* ── Blog Article ────────────────────────────────────── */
.article-layout {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.article-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--ilma-border);
}

.article-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.875rem;
  color: #5a5880;
}

.article-body h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
}

.article-body h3 {
  font-size: 1.2rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-body p {
  margin-bottom: 20px;
  color: #3a3858;
  font-size: 1.05rem;
}

.article-body ul,
.article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body li {
  margin-bottom: 8px;
  color: #3a3858;
}

.article-body blockquote {
  border-left: 4px solid var(--ilma-purple);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--ilma-purple-pale);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.article-body blockquote p {
  color: var(--ilma-purple-dark);
  font-style: italic;
  margin: 0;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .docs-content {
    padding: 32px 40px;
  }

  .stats-banner {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15,14,23,0.98);
    backdrop-filter: blur(16px);
    z-index: 999;
    padding: 32px 24px;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
  }

  .mobile-menu.open {
    display: flex;
  }

  .mobile-menu a {
    display: block;
    padding: 14px 16px;
    font-size: 1.05rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius);
    transition: all var(--transition);
  }

  .mobile-menu a:hover {
    background: rgba(127,119,221,0.15);
    color: var(--ilma-white);
  }

  .mobile-menu .mobile-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 8px 0;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .feature-grid,
  .blog-grid,
  .lesson-grid,
  .package-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    display: none;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--ilma-border);
  }

  .docs-sidebar.open {
    display: block;
  }

  .docs-content {
    padding: 24px 20px;
  }

  .playground-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    height: auto;
    min-height: calc(100vh - var(--nav-height));
  }

  .playground-editor {
    border-right: none;
    border-bottom: 1px solid var(--ilma-dark-border);
  }

  .stats-banner {
    grid-template-columns: repeat(2, 1fr);
  }

  .install-os-tabs {
    flex-wrap: wrap;
  }

  .section {
    padding: 56px 0;
  }

  .code-window-body {
    padding: 16px;
  }

  .code-window-body pre {
    font-size: 0.8rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

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

  .hero-stats {
    gap: 16px;
  }

  .hero-stat .number {
    font-size: 1.3rem;
  }
}

/* ── Print ───────────────────────────────────────────── */
@media print {
  .site-nav,
  .site-footer {
    display: none;
  }

  body {
    color: black;
    background: white;
  }
}