:root {
  --bg: #0e1418;
  --bg-2: #152028;
  --surface: #1c2a33;
  --text: #e8eef2;
  --muted: #9aafbc;
  --accent: #3db8a0;
  --accent-2: #f0a35e;
  --line: rgba(232, 238, 242, 0.12);
  --max: 72rem;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(61, 184, 160, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(240, 163, 94, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height: 100vh;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #6fd4c0;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.25rem;
  font-size: 0.95rem;
}

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

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

.hero {
  position: relative;
  min-height: min(88vh, 42rem);
  display: grid;
  align-items: end;
  padding: 3rem 0 4rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(14, 20, 24, 0.2) 0%, rgba(14, 20, 24, 0.85) 55%, rgba(14, 20, 24, 0.95) 100%),
    url("assets/hero.svg") center / cover no-repeat;
  z-index: -1;
  border-radius: 1.25rem;
}

.hero-inner {
  max-width: 36rem;
  padding: 2.5rem 1.75rem 2.25rem;
}

.hero .brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.hero p {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 0.45rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #0e1418;
}

.btn-primary:hover {
  background: #6fd4c0;
  color: #0e1418;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--muted);
  color: var(--text);
}

.btn-coffee {
  background: var(--accent-2);
  color: #1a1208;
}

.btn-coffee:hover {
  background: #f6b97a;
  color: #1a1208;
}

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

section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.section-lead {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 38rem;
}

.grid-3 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 800px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.tile {
  display: block;
  padding: 1.25rem 1.2rem;
  background: rgba(28, 42, 51, 0.65);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.tile:hover {
  border-color: rgba(61, 184, 160, 0.45);
  background: rgba(28, 42, 51, 0.9);
}

.tile h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.prose {
  max-width: 42rem;
}

.prose h3 {
  font-family: var(--font-display);
  margin: 1.75rem 0 0.5rem;
  letter-spacing: -0.02em;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose ul {
  padding-left: 1.2rem;
}

.support-dev {
  background: linear-gradient(135deg, rgba(61, 184, 160, 0.08), rgba(240, 163, 94, 0.1));
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.75rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.muted {
  color: var(--muted);
}

.note {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.75rem;
}