/* EuroLeague Analytics - egemenyucelen.me
   Clean, self-contained, responsive styles. Zero external dependencies or tracking. */

:root {
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-hover: #334155;
  --bg-card: #182234;
  --bg-code: #0b1120;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --accent-primary: #38bdf8;
  --accent-primary-hover: #7dd3fc;
  --accent-secondary: #f59e0b;
  --accent-success: #10b981;

  --border-color: #334155;
  --border-subtle: #1e293b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --max-width: 960px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-card: #ffffff;
    --bg-code: #f1f5f9;

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --accent-primary: #0284c7;
    --accent-primary-hover: #0369a1;
    --accent-secondary: #d97706;
    --accent-success: #059669;

    --border-color: #e2e8f0;
    --border-subtle: #f1f5f9;
  }
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  background-color: var(--accent-primary);
  color: #0f172a;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

nav a:hover, nav a:focus {
  color: var(--accent-primary);
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 3rem;
  text-align: left;
}

.hero-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background-color: rgba(56, 189, 248, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

.hero p.lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #0f172a;
}

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

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

.btn-outline:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--text-muted);
}

/* Sections */
section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 2.25rem;
}

.section-header h2 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.015em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Feature Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  border-color: var(--accent-primary);
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--accent-primary);
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Stats Counter Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.stat-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.35rem;
  font-weight: 600;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Tool List */
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tool-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.tool-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
  min-width: 200px;
}

.tool-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* Code Snippets */
pre {
  background-color: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 1rem 0;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--bg-surface-hover);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
}

pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
}

/* Content Pages (Privacy / Support) */
.page-content {
  padding: 3.5rem 0 5rem;
  max-width: 800px;
}

.page-content h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.page-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 2.25rem 0 0.75rem;
  color: var(--text-primary);
}

.page-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--text-primary);
}

.page-content p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}

.page-content ul, .page-content ol {
  color: var(--text-secondary);
  margin: 0 0 1.25rem 1.5rem;
}

.page-content li {
  margin-bottom: 0.4rem;
}

.alert-box {
  background-color: rgba(56, 189, 248, 0.08);
  border-left: 4px solid var(--accent-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.alert-box p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  padding: 2.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.1rem;
  }

  .tool-item {
    flex-direction: column;
    gap: 0.35rem;
  }

  .tool-name {
    min-width: unset;
  }

  .nav-wrapper {
    flex-direction: column;
    gap: 0.75rem;
  }

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