@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800&family=Geist+Mono:wght@300;400;500;600&display=swap');

:root {
  --bg: #080a0d;
  --bg-card: rgba(18, 22, 28, 0.55);
  --bg-hover: rgba(26, 32, 42, 0.7);
  --border: rgba(48, 54, 61, 0.45);
  --border-hover: rgba(56, 189, 248, 0.4);
  --text: #f0f3f6;
  --text-muted: #8c97a4;
  --accent: #38bdf8;
  --accent-green: #34d399;
  --accent-orange: #fbbf24;
  --accent-purple: #c084fc;
  --radius: 12px;
  --radius-sm: 6px;
  --font: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  font-family: var(--font);
  background: var(--bg);
  background-image: 
    radial-gradient(circle at 50% -100px, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 10% 400px, rgba(192, 132, 252, 0.04) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #7dd3fc;
}

/* ─── Nav ─── */
nav {
  position: sticky;
  top: 0;
  background: rgba(8, 10, 13, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0 24px;
  z-index: 100;
}

nav .inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

nav .logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

nav .logo:hover {
  opacity: 0.9;
}

nav a:not(.logo) {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

nav a:not(.logo):hover {
  color: var(--text);
}

.nav-right {
  margin-left: auto;
}

.star-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text) !important;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.star-btn:hover {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  transform: translateY(-1px);
}

.star-btn:active {
  transform: translateY(0);
}

.star-btn svg {
  transition: transform 0.2s ease;
}

.star-btn:hover svg {
  transform: scale(1.1) rotate(15deg);
}

/* ─── Hero ─── */
.hero {
  text-align: center;
  padding: 96px 24px 64px;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #ffffff;
}

.hero h1 span {
  background: linear-gradient(135deg, #38bdf8 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.6;
}

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

.hero .badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.hero .badge:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

/* ─── Sections ─── */
section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 56px 24px;
}

section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: #ffffff;
}

/* ─── Layer cards ─── */
.layer {
  margin-bottom: 48px;
}

.layer h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.layer h3 .count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.skill-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-hover);
  transform: translateY(-2px);
  box-shadow: 
    0 12px 30px -10px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.skill-card .name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-green);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.skill-card .desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.skill-card .view-skill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  font-family: var(--font-mono);
  transition: all 0.2s ease;
}

.skill-card .view-skill::after {
  content: '→';
  transition: transform 0.2s ease;
}

.skill-card:hover .view-skill {
  color: #7dd3fc;
}

.skill-card:hover .view-skill::after {
  transform: translateX(4px);
}

.skill-card .global-tag {
  align-self: flex-start;
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(192, 132, 252, 0.08);
  color: var(--accent-purple);
  border: 1px solid rgba(192, 132, 252, 0.15);
  font-family: var(--font-mono);
  margin-top: 8px;
}

/* ─── Install / Contribute ─── */
.install-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.install-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.install-step::before {
  content: '';
  display: none;
}

.install-step h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.install-step p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
  line-height: 1.5;
}

.install-step pre {
  margin-top: auto;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
}

.install-step pre code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: none;
  padding: 0;
}

#contribute p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 70ch;
  line-height: 1.6;
}

#contribute code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
  color: var(--text);
}

/* ─── Footer ─── */
footer {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.1);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .hero { padding: 64px 24px 40px; }
  .hero h1 { font-size: 2.75rem; }
  .skill-grid { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: 1fr; }
}

/* ─── Modal ─── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(4, 5, 6, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  width: 100%;
  max-width: 900px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
  animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-green);
}

.modal-actions {
  display: flex;
  gap: 8px;
}

.copy-btn, .close-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-btn:hover, .close-btn:hover {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(56, 189, 248, 0.08);
}

.close-btn {
  font-size: 1rem;
  padding: 6px 14px;
  line-height: 1;
}

.modal-body {
  overflow: auto;
  flex: 1;
}

/* ─── Modal Tabs ─── */
.modal-tabs {
  display: flex;
  gap: 0;
  padding: 0 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.01);
}

.modal-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 10px 18px;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
  margin-bottom: -1px;
  letter-spacing: 0.01em;
}

.modal-tab:hover {
  color: var(--text);
}

.modal-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ─── Modal Panels ─── */
.modal-panel {
  height: 100%;
}

.hidden {
  display: none !important;
}

.raw-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.raw-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.modal-raw {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  color: #c9d1d9;
  background: #010409;
  padding: 28px 32px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 100%;
  border: none;
  border-radius: 0;
}

.modal-markdown {
  padding: 32px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #e6edf3;
}

.modal-markdown h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}

.modal-markdown h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 32px 0 12px;
  color: var(--accent-green);
}

.modal-markdown h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 24px 0 8px;
  color: #ffffff;
}

.modal-markdown p {
  margin: 0 0 16px;
}

.modal-markdown ul, .modal-markdown ol {
  margin: 0 0 16px;
  padding-left: 24px;
}

.modal-markdown li {
  margin-bottom: 6px;
}

.modal-markdown code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.modal-markdown pre {
  background: #010409;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 0 0 16px;
}

.modal-markdown pre code {
  background: none;
  padding: 0;
  color: var(--text);
  border: none;
}

.modal-markdown table {
  border-collapse: collapse;
  width: 100%;
  margin: 20px 0;
  font-size: 0.825rem;
}

.modal-markdown th, .modal-markdown td {
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 12px;
  text-align: left;
}

.modal-markdown th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--accent);
  font-weight: 600;
}

.modal-markdown hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 24px 0;
}

.modal-markdown strong {
  color: #ffffff;
}

.modal-markdown blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  margin: 0 0 16px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.01);
  padding-top: 8px;
  padding-bottom: 8px;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}