@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&display=swap");

:root {
  --bg-a: #f3ece2;
  --bg-b: #e8e1d4;
  --ink-900: #1a2723;
  --ink-700: #30443c;
  --ink-500: #64766f;
  --accent: #1f5f49;
  --accent-soft: #d7e7dd;
  --line: #d4c5af;
  --line-strong: #bca98d;
  --surface: rgba(255, 251, 244, 0.82);
  --surface-strong: #fff9f1;
  --shadow-soft: 0 16px 36px rgba(49, 40, 23, 0.08);
  --shadow-card: 0 10px 24px rgba(49, 40, 23, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink-900);
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% 14%, #ffffff 0%, transparent 26%),
    radial-gradient(circle at 92% 16%, #dce9df 0%, transparent 33%),
    linear-gradient(136deg, var(--bg-a) 0%, var(--bg-b) 100%);
  letter-spacing: 0.01em;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  pointer-events: none;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.26;
}

body::before {
  background: #e6f0e9;
  top: -12rem;
  left: -14rem;
}

body::after {
  background: #efe4d4;
  right: -16rem;
  bottom: -14rem;
}

main {
  width: min(1060px, 92vw);
  margin: 0 auto;
  padding: 1.55rem 0 3.3rem;
}

.site-nav {
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.88rem 1.1rem;
  border: 1px solid rgba(188, 169, 141, 0.5);
  border-radius: 18px;
  background: rgba(255, 250, 243, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.brand {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1;
}

.brand strong {
  font-weight: 700;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.nav-link {
  text-decoration: none;
  color: var(--ink-700);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.4rem 0.86rem;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 160ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  border-color: rgba(31, 95, 73, 0.26);
  background: var(--accent-soft);
}

.hero {
  position: relative;
  margin-top: 1.55rem;
  padding: 1.5rem 1.45rem 1.35rem;
  border: 1px solid rgba(188, 169, 141, 0.55);
  border-radius: 22px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.9) 0%, rgba(246, 239, 228, 0.8) 100%);
  box-shadow: var(--shadow-soft);
}

.hero::after {
  content: "";
  position: absolute;
  right: 1.4rem;
  top: 1.2rem;
  width: 6.2rem;
  height: 6.2rem;
  border-radius: 50%;
  border: 1px solid rgba(31, 95, 73, 0.16);
  background: radial-gradient(circle, rgba(31, 95, 73, 0.08) 0%, rgba(31, 95, 73, 0) 68%);
}

.kicker {
  margin: 0 0 0.85rem;
  color: var(--ink-500);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 0.66rem;
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 0.96;
}

.hero p {
  margin: 0 0 1.06rem;
  max-width: 61ch;
  line-height: 1.62;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.62rem;
  position: relative;
  z-index: 1;
}

.cta {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 0.5rem 0.9rem;
  color: var(--ink-900);
  background: var(--surface-strong);
  transition: all 180ms ease;
}

.cta.primary {
  border-color: rgba(31, 95, 73, 0.8);
  background: linear-gradient(180deg, #2b7b5f 0%, #1f5f49 100%);
  color: #f4fffa;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(31, 95, 73, 0.16);
}

.section {
  margin-top: 1.38rem;
  padding: 1.18rem 1.06rem;
  border: 1px solid rgba(188, 169, 141, 0.55);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.section h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.72rem, 3.4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.04;
}

.grid {
  display: grid;
  gap: 0.95rem;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(246px, 1fr));
}

.card {
  border: 1px solid rgba(188, 169, 141, 0.56);
  background: rgba(255, 252, 247, 0.94);
  border-radius: 14px;
  padding: 1rem;
  min-height: 100%;
}

.card h3 {
  margin: 0 0 0.58rem;
  font-size: clamp(1.42rem, 2.8vw, 1.86rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.08;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin-top: 0.72rem;
}

.tag {
  display: inline-block;
  font-size: 0.79rem;
  border: 1px solid rgba(188, 169, 141, 0.8);
  border-radius: 999px;
  padding: 0.18rem 0.58rem;
  color: var(--ink-700);
  background: rgba(255, 255, 255, 0.7);
}

.meta {
  margin-top: 0;
  color: var(--ink-500);
  font-size: 0.92rem;
}

.article {
  line-height: 1.76;
}

.article h2,
.article h3 {
  margin-top: 1.3rem;
}

.timeline {
  display: grid;
  gap: 0.82rem;
}

.timeline-item {
  border-left: 3px solid rgba(31, 95, 73, 0.35);
  padding-left: 0.88rem;
}

.footer {
  margin-top: 1.35rem;
  color: var(--ink-500);
  text-align: center;
}

.small-list {
  margin: 0;
  padding-left: 1.16rem;
}

.hero,
.section,
.footer {
  opacity: 0;
  animation: rise-fade 640ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero {
  animation-delay: 60ms;
}

.section:nth-of-type(1) {
  animation-delay: 120ms;
}

.section:nth-of-type(2) {
  animation-delay: 180ms;
}

.section:nth-of-type(3) {
  animation-delay: 240ms;
}

.section:nth-of-type(4) {
  animation-delay: 300ms;
}

.footer {
  animation-delay: 340ms;
}

@keyframes rise-fade {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 760px) {
  main {
    width: 94vw;
    padding-top: 1rem;
  }

  .site-nav {
    gap: 0.72rem;
    padding: 0.82rem;
  }

  .nav-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 0.38rem;
  }

  .nav-link {
    text-align: center;
    padding: 0.42rem 0.6rem;
  }

  .hero {
    padding: 1.2rem 1rem 1.12rem;
  }

  .hero::after {
    right: 0.8rem;
    top: 0.65rem;
    width: 4.2rem;
    height: 4.2rem;
  }

  .kicker {
    margin-bottom: 0.6rem;
    letter-spacing: 0.13em;
  }

  .hero h1 {
    font-size: clamp(2rem, 9.8vw, 2.52rem);
  }

  .section {
    padding: 1rem 0.88rem;
  }
}