:root {
  --coral: #ff6b6b;
  --coral-deep: #fa2e63;
  --peach: #ffab91;
  --orange: #ffb74d;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #ebe4de;
  --paper: #fffaf7;
  --surface: #ffffff;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(26, 26, 26, 0.08);
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% -10%, rgba(255, 107, 107, 0.18), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(255, 183, 77, 0.16), transparent 36%),
    linear-gradient(180deg, #fff8f4 0%, var(--paper) 38%, #ffffff 100%);
  min-height: 100vh;
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0 1.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(250, 46, 99, 0.22);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.hero {
  display: grid;
  gap: 1rem;
  padding: 1.5rem 0 2rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid rgba(232, 224, 216, 0.9);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 60px rgba(26, 26, 26, 0.1);
  text-decoration: none;
}

.card span {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 0.55rem;
}

.card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

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

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: clamp(1.4rem, 3vw, 2.4rem);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.meta strong {
  color: var(--ink);
}

.doc h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.doc h2 {
  margin: 2rem 0 0.7rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.doc p,
.doc li {
  color: #3a3a3a;
}

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

.doc li {
  margin: 0.35rem 0;
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(250, 46, 99, 0.08);
  color: var(--coral-deep);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
}