:root {
  --bg: #f4efe7;
  --surface: rgba(255, 251, 245, 0.84);
  --surface-strong: #fffaf2;
  --ink: #0f1720;
  --muted: #5c6572;
  --line: rgba(15, 23, 32, 0.1);
  --accent: #1f7aff;
  --accent-deep: #0d4fcf;
  --accent-soft: rgba(31, 122, 255, 0.12);
  --shadow: 0 24px 80px rgba(22, 30, 44, 0.14);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 122, 255, 0.16), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(11, 78, 162, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf6ef 0%, var(--bg) 45%, #f3eee7 100%);
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(244, 239, 231, 0.72);
  border-bottom: 1px solid rgba(15, 23, 32, 0.06);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.brand-badge {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.95rem;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, var(--accent), #56a6ff);
  box-shadow: 0 14px 26px rgba(31, 122, 255, 0.28);
  font-size: 1.05rem;
}

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

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--accent-deep);
  text-decoration: none;
}

.hero {
  padding: 4.5rem 0 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(15, 23, 32, 0.08);
  color: var(--accent-deep);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 1rem 0 0.6rem;
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.hero-copy {
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.05rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.3rem;
}

.meta-chip {
  padding: 0.75rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 32, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
}

.content-card {
  padding: 1.6rem;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  margin-bottom: 1.2rem;
}

.content-card h2 {
  margin: 0 0 0.9rem;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.content-card p,
.content-card li {
  color: var(--muted);
  line-height: 1.8;
}

.content-card ul {
  margin: 0;
  padding-left: 1.25rem;
}

.note {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--ink);
  border: 1px solid rgba(31, 122, 255, 0.12);
}

.footer {
  padding: 1.2rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border-top: 1px solid rgba(15, 23, 32, 0.08);
  padding-top: 1.3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .topbar-inner,
  .nav-links,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 3.2rem;
  }
}