:root {
  color-scheme: light;
  --paper: #f3efe3;
  --paper-deep: #e9e0cd;
  --ink: #173e36;
  --ink-soft: #49655d;
  --leaf: #2c6d51;
  --leaf-light: #8fbf8a;
  --lime: #dbe98f;
  --sun: #e5a94c;
  --clay: #ba6952;
  --white: #fffdf6;
  --line: rgba(23, 62, 54, 0.18);
  --shadow: 0 18px 45px rgba(38, 66, 52, 0.12);
  --radius: 1.75rem;
  --content: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 20rem;
  background:
    radial-gradient(circle at 12% 7%, rgba(219, 233, 143, 0.42), transparent 23rem),
    linear-gradient(180deg, var(--paper), #f8f5eb 50%, var(--paper));
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--clay);
}

a:focus-visible {
  outline: 0.2rem solid var(--sun);
  outline-offset: 0.25rem;
  border-radius: 0.25rem;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-250%);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  width: min(calc(100% - 2rem), var(--content));
  margin: 1rem auto 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 246, 0.84);
  box-shadow: 0 8px 28px rgba(38, 66, 52, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.2rem;
  padding: 0.55rem 0.8rem 0.55rem 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  border: 0.12rem solid var(--ink);
  border-radius: 70% 15% 70% 35%;
  background: var(--leaf-light);
  transform: rotate(-12deg);
}

.brand-mark::after {
  position: absolute;
  bottom: 0.05rem;
  left: 0.64rem;
  width: 0.11rem;
  height: 1.15rem;
  background: var(--ink);
  content: "";
  transform: rotate(38deg);
  transform-origin: bottom;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.2rem;
}

.nav-links a {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--ink);
  color: var(--white);
}

main {
  overflow: hidden;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: 42rem;
  padding-block: clamp(4rem, 9vw, 8rem);
}

.eyebrow {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  margin: 0 0 1.2rem;
  color: var(--clay);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.75rem;
  height: 0.12rem;
  background: currentColor;
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.4rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.4rem, 8vw, 7.5rem);
  font-weight: 500;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 4.8vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.lead {
  max-width: 38rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.button:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--white);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.hero-visual {
  position: relative;
  min-height: 32rem;
  border: 1px solid var(--line);
  border-radius: 12rem 12rem var(--radius) var(--radius);
  background:
    linear-gradient(120deg, transparent 62%, rgba(255, 255, 255, 0.38) 62%),
    var(--lime);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.sun-disc {
  position: absolute;
  top: 3rem;
  right: 3rem;
  width: 6rem;
  height: 6rem;
  border: 0.12rem solid var(--ink);
  border-radius: 50%;
  background: var(--sun);
}

.pot {
  position: absolute;
  right: 11%;
  bottom: 2.5rem;
  width: 45%;
  height: 8.5rem;
  border: 0.16rem solid var(--ink);
  border-radius: 0.7rem 0.7rem 4rem 4rem;
  background: var(--clay);
}

.pot::before {
  position: absolute;
  top: -1.2rem;
  left: -8%;
  width: 116%;
  height: 2.6rem;
  border: 0.16rem solid var(--ink);
  border-radius: 999px;
  background: #d68568;
  content: "";
}

.stem {
  position: absolute;
  right: 31%;
  bottom: 10.5rem;
  width: 0.22rem;
  height: 13rem;
  background: var(--ink);
}

.leaf {
  position: absolute;
  width: 7.5rem;
  height: 4.5rem;
  border: 0.16rem solid var(--ink);
  border-radius: 80% 12% 80% 12%;
  background: var(--leaf);
}

.leaf-one {
  right: 31%;
  bottom: 18rem;
  transform: rotate(-24deg);
  transform-origin: right bottom;
}

.leaf-two {
  right: 11%;
  bottom: 14rem;
  background: var(--leaf-light);
  transform: rotate(24deg) scaleX(-1);
  transform-origin: left bottom;
}

.leaf-three {
  right: 27%;
  bottom: 24rem;
  width: 6rem;
  height: 3.8rem;
  background: var(--white);
  transform: rotate(-78deg);
}

.water-drop {
  position: absolute;
  width: 1.15rem;
  height: 1.55rem;
  border: 0.13rem solid var(--ink);
  border-radius: 70% 30% 68% 32%;
  background: #a5cfda;
  transform: rotate(45deg);
}

.drop-one {
  left: 15%;
  bottom: 12rem;
}

.drop-two {
  left: 27%;
  bottom: 8.5rem;
  transform: rotate(45deg) scale(0.72);
}

.visual-note {
  position: absolute;
  left: 2rem;
  bottom: 2rem;
  width: 8.5rem;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.2;
}

.section {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 1.2fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.section-heading p {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

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

.card {
  position: relative;
  min-height: 18rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 246, 0.72);
}

.card:nth-child(2) {
  background: var(--lime);
}

.card-number {
  display: grid;
  width: 3rem;
  height: 3rem;
  margin-bottom: 4rem;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
}

.card p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.fact-strip {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(2rem, 6vw, 4.5rem);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
}

.fact-strip h2 {
  margin-bottom: 0;
  color: var(--lime);
}

.fact-strip p {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.species-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.species {
  display: grid;
  grid-template-columns: 3.7rem 1fr;
  gap: 1rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}

.species:nth-child(odd) {
  padding-right: 2rem;
  border-right: 1px solid var(--line);
}

.species:nth-child(even) {
  padding-left: 2rem;
}

.species-icon {
  display: grid;
  width: 3.4rem;
  height: 3.4rem;
  place-items: center;
  border-radius: 50%;
  background: var(--paper-deep);
  color: var(--leaf);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.species p {
  margin: 0;
  color: var(--ink-soft);
}

.callout {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 6vw, 4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sun);
  box-shadow: var(--shadow);
}

.callout h2 {
  max-width: 12ch;
  margin-bottom: 0.7rem;
}

.callout p {
  max-width: 38rem;
  margin: 0;
}

.callout .actions {
  justify-content: flex-end;
  margin: 0;
}

.page-hero {
  display: grid;
  min-height: 30rem;
  align-content: end;
  padding-block: clamp(5rem, 10vw, 8rem) clamp(3rem, 7vw, 5rem);
}

.page-hero h1 {
  max-width: 13ch;
  font-size: clamp(3.2rem, 7vw, 6rem);
}

.page-hero .lead {
  max-width: 48rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  padding-bottom: clamp(5rem, 10vw, 9rem);
}

.article-nav {
  position: sticky;
  top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgba(255, 253, 246, 0.74);
}

.article-nav strong {
  display: block;
  margin-bottom: 0.6rem;
}

.article-nav a {
  display: block;
  padding-block: 0.25rem;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.prose {
  max-width: 48rem;
}

.prose section + section {
  margin-top: 4.5rem;
}

.prose h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.prose h3 {
  margin-top: 2rem;
}

.prose p,
.prose li {
  color: #294e45;
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.55rem;
}

.note {
  margin-block: 2rem;
  padding: 1.4rem 1.5rem;
  border-left: 0.35rem solid var(--clay);
  border-radius: 0 1rem 1rem 0;
  background: var(--paper-deep);
}

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

.data-table {
  width: 100%;
  margin-block: 2rem;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.data-table th,
.data-table td {
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.principle {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgba(255, 253, 246, 0.72);
}

.principle p {
  margin-bottom: 0;
}

.site-footer {
  margin-top: 3rem;
  background: var(--ink);
  color: var(--white);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: end;
  width: min(calc(100% - 2rem), var(--content));
  min-height: 17rem;
  margin-inline: auto;
  padding-block: 3rem;
}

.footer-title {
  max-width: 18ch;
  margin: 0;
  color: var(--lime);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.6rem 1.1rem;
  color: #d7e5db;
  font-size: 0.9rem;
}

.footer-meta a:hover {
  color: var(--lime);
}

.not-found {
  display: grid;
  min-height: calc(100vh - 6rem);
  place-items: center;
  text-align: center;
}

.not-found-code {
  margin: 0;
  color: var(--clay);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(6rem, 22vw, 15rem);
  line-height: 0.8;
}

.not-found h1 {
  max-width: none;
  margin-top: 1.2rem;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
}

@media (max-width: 52rem) {
  .site-header {
    border-radius: 1.5rem;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .nav-links a {
    padding: 0.4rem 0.6rem;
  }

  .hero,
  .section-heading,
  .fact-strip,
  .callout,
  .article-layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 28rem;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
  }

  .card-number {
    margin-bottom: 2.5rem;
  }

  .callout .actions,
  .footer-meta {
    justify-content: flex-start;
  }

  .article-nav {
    position: static;
  }
}

@media (max-width: 38rem) {
  h1 {
    font-size: clamp(3rem, 17vw, 4.7rem);
  }

  .species-grid,
  .principles {
    grid-template-columns: 1fr;
  }

  .species:nth-child(odd),
  .species:nth-child(even) {
    padding-inline: 0;
    border-right: 0;
  }

  .data-table {
    display: block;
    overflow-x: auto;
  }
}

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