:root {
  --bg0: #eef3f6;
  --bg1: #e4ebf0;
  --ink: #17212b;
  --ink-soft: #52606d;
  --line: rgba(23, 33, 43, 0.12);
  --card: rgba(255, 255, 255, 0.72);
  --accent: #0f766e;
  --accent-2: #155e75;
  --shadow: 0 18px 50px rgba(23, 33, 43, 0.08);
  --radius: 18px;
  --font-ui: "Sora", sans-serif;
  --font-read: "Literata", Georgia, serif;
  --max: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-ui);
  background: var(--bg0);
  line-height: 1.55;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(15, 118, 110, 0.14), transparent 60%),
    radial-gradient(700px 420px at 92% 8%, rgba(21, 94, 117, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

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

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

a:hover {
  color: #0b5f59;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(238, 243, 246, 0.8);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: inherit;
  text-decoration: none;
}

.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background:
    linear-gradient(145deg, rgba(15, 118, 110, 0.95), rgba(15, 118, 110, 0.5)),
    linear-gradient(320deg, rgba(21, 94, 117, 0.55), transparent 55%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand__text strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand__text small {
  color: var(--ink-soft);
  font-size: 0.78rem;
  max-width: 28ch;
}

.nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.35rem 0.2rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  color: var(--accent);
  border-bottom-color: rgba(15, 118, 110, 0.45);
}

.main {
  padding: 2.2rem 0 4rem;
}

.hero {
  padding: 1.2rem 0 2rem;
}

.hero__eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-read);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero__lead {
  margin: 1rem 0 0;
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  font-family: var(--font-read);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

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

.btn--primary {
  background: var(--ink);
  color: #f8f4ec;
}

.btn--primary:hover {
  background: #101822;
  color: #fff;
}

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

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.section {
  margin-top: 2rem;
}

.section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section__head h2 {
  margin: 0;
  font-family: var(--font-read);
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.section__head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.9rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1.2rem;
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.28);
  background: rgba(255, 252, 246, 0.95);
}

.card__section {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.card h3 {
  margin: 0;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-family: var(--font-read);
}

.card__meta {
  margin-top: auto;
  padding-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.prose {
  padding: 1.5rem 1.4rem 1.7rem;
}

.prose h1 {
  margin: 0 0 0.8rem;
  font-family: var(--font-read);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.prose .lead {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
  font-family: var(--font-read);
  font-size: 1.1rem;
}

.prose p,
.prose li {
  font-family: var(--font-read);
  font-size: 1.05rem;
  line-height: 1.7;
}

.prose p {
  margin: 0 0 1rem;
}

.note {
  margin: 1.2rem 0 0;
  padding: 0.95rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(15, 118, 110, 0.06);
  border-radius: 0 12px 12px 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.cta {
  margin-top: 1.4rem;
  padding: 1.1rem 1.15rem;
  border-radius: 14px;
  background: rgba(28, 36, 48, 0.04);
  border: 1px dashed rgba(28, 36, 48, 0.16);
}

.cta p {
  margin: 0;
  font-family: var(--font-read);
  color: var(--ink-soft);
}

.cta a {
  font-weight: 600;
}

.empty {
  padding: 1.3rem 1.2rem;
  color: var(--ink-soft);
  font-family: var(--font-read);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.4rem;
  background: rgba(255, 255, 255, 0.45);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__name {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.site-footer__note {
  margin: 0;
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-family: var(--font-read);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-weight: 500;
}

@media (max-width: 720px) {
  .brand__text small {
    display: none;
  }

  .hero h1 {
    max-width: none;
  }

  .section__head {
    flex-direction: column;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .card,
  .nav a {
    transition: none;
  }
}