/* HotChili Analytics — static site */
:root {
  --bg: #0f1419;
  --bg-card: #1a222d;
  --bg-elevated: #232d3b;
  --text: #e8ecf1;
  --text-muted: #9aa5b4;
  --accent: #e63946;
  --accent-hover: #ff4d5a;
  --border: #2d3a4d;
  --link: #5eb3ff;
  --max-width: 1100px;
  --radius: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3 {
  font-family: Oswald, Inter, sans-serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-family: Oswald, sans-serif;
  font-size: 1.15rem;
  font-weight: 500;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.92rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 0.5rem;
}

.hero .tagline {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 36em;
  margin: 0 auto 2rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
}

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

section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 0.5rem;
}

.section-lead {
  color: var(--text-muted);
  max-width: 42em;
  margin: 0 0 2rem;
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.card p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.card img {
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.card ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card ul li {
  margin-bottom: 0.35rem;
}

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  text-decoration: none;
  color: #fff;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
  text-decoration: none;
  color: var(--text);
}

/* OSS feature block */
.feature-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr 1fr;
  }
}

.code-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88rem;
  overflow-x: auto;
  color: #c9d1d9;
}

.code-block code {
  white-space: pre;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.feature-list li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  color: var(--text-muted);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Contact */
.contact-section {
  text-align: center;
}

.contact-section a {
  font-weight: 500;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.disclaimer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.55;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-copy {
  margin: 0;
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.error-page h1 {
  font-size: 4rem;
  margin: 0;
  color: var(--accent);
}