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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --canvas: #f5f1ec;
  --surface-1: #ffffff;
  --surface-2: #ede9e3;
  --ink: #111111;
  --ink-muted: #626260;
  --ink-subtle: #7b7b78;
  --hairline: #d3cec6;
  --hairline-soft: #e5e0d8;
  --inverse-canvas: #000000;
  --inverse-ink: #ffffff;
  --accent: #2d7a4f;
  --section-gap: 96px;
  --font: 'Inter', ui-sans-serif, system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ========== NAV ========== */
.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
}

.nav-logo {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.2px;
  white-space: nowrap;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-muted);
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--ink); }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hamburger-icon span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 32px 24px;
  z-index: 99;
}

.nav-mobile.open { display: block; }

.nav-mobile a {
  display: block;
  font-size: 15px;
  color: var(--ink-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.nav-mobile a:last-child { border-bottom: none; }

/* ========== HERO ========== */
.hero {
  padding: 80px 0 var(--section-gap);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 16px;
  letter-spacing: 0;
}

.hero-title {
  font-size: 56px;
  font-weight: 500;
  line-height: 1.10;
  letter-spacing: -1.4px;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.1px;
  color: var(--ink-muted);
  margin-bottom: 0;
}

.hero-image-card {
  background: var(--surface-1);
  border-radius: 16px;
  border: 1px solid var(--hairline);
  overflow: hidden;
}

.hero-image-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* ========== SECTIONS ========== */
.section {
  padding: var(--section-gap) 0;
}

.section-eyebrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: 40px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-lead {
  font-size: 18px;
  font-weight: 400;
  color: var(--ink-muted);
  line-height: 1.5;
  max-width: 600px;
}

.section-header {
  margin-bottom: 48px;
}

/* ========== ARTICLE CARDS ========== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface-1);
  border-radius: 12px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}

.article-card:hover { border-color: var(--ink-muted); }

.article-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: lowercase;
}

.article-card-title {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.2px;
  color: var(--ink);
  margin-bottom: 12px;
}

.article-card-excerpt {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
  flex: 1;
}

.article-card-meta {
  margin-top: 20px;
  font-size: 12px;
  color: var(--ink-subtle);
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ========== ARTICLE PAGE ========== */
.article-layout {
  padding: 64px 0 var(--section-gap);
}

.article-header {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.article-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.article-title {
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 20px;
}

.article-meta {
  font-size: 13px;
  color: var(--ink-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.article-hero-image {
  border-radius: 16px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  margin-bottom: 64px;
}

.article-hero-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.article-hero-image figcaption {
  padding: 12px 24px;
  font-size: 12px;
  color: var(--ink-subtle);
  background: var(--surface-1);
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin: 48px 0 16px;
  color: var(--ink);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.2px;
  margin: 32px 0 12px;
  color: var(--ink);
}

.article-body p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 16px 0 24px 20px;
  list-style: disc;
}

.article-body ol { list-style: decimal; }

.article-body li {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body strong {
  font-weight: 500;
  color: var(--ink);
}

.info-card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px 28px;
  margin: 32px 0;
}

.info-card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
}

.species-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}

.species-item {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px;
}

.species-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.species-latin {
  font-size: 13px;
  font-style: italic;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

.species-desc {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.article-image-block {
  margin: 40px 0;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--surface-1);
}

.article-image-block img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.article-image-block figcaption {
  padding: 12px 20px;
  font-size: 12px;
  color: var(--ink-subtle);
}

.article-nav {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-nav-link {
  font-size: 14px;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-nav-link:hover { color: var(--ink); }

/* ========== CONTACT FORM ========== */
.contact-section {
  background: var(--surface-1);
  border-radius: 16px;
  border: 1px solid var(--hairline);
  padding: 48px;
  max-width: 600px;
  margin: 0 auto;
}

.contact-title {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.contact-subtitle {
  font-size: 15px;
  color: var(--ink-muted);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s;
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--ink-muted);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-submit {
  background: var(--ink);
  color: var(--inverse-ink);
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  min-height: 44px;
  transition: opacity 0.15s;
}

.btn-submit:hover { opacity: 0.85; }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-message {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
}

.form-message.success {
  background: #f0faf4;
  color: #1a6b3a;
  border: 1px solid #b8e0c9;
  display: block;
}

/* ========== DIVIDER ========== */
.divider {
  border: none;
  border-top: 1px solid var(--hairline);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 32px 40px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-brand-desc {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 13px;
  color: var(--ink-muted);
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--ink); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 12px;
  color: var(--ink-subtle);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 12px;
  color: var(--ink-subtle);
  transition: color 0.15s;
}

.footer-legal a:hover { color: var(--ink); }

/* ========== COOKIE BANNER ========== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--inverse-canvas);
  color: var(--inverse-ink);
  border-radius: 12px;
  padding: 20px 24px;
  z-index: 999;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.cookie-text {
  flex: 1;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
}

.cookie-text a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
}

.cookie-btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  min-height: 40px;
}

.cookie-btn-accept {
  background: #ffffff;
  color: #000000;
}

.cookie-btn-reject {
  background: transparent;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.25);
}

/* ========== STATIC PAGES ========== */
.page-layout {
  padding: 64px 0 var(--section-gap);
}

.page-header {
  margin-bottom: 48px;
  max-width: 720px;
}

.page-title {
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 18px;
  color: var(--ink-muted);
}

.page-body {
  max-width: 720px;
}

.page-body h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.3px;
  margin: 40px 0 12px;
  color: var(--ink);
}

.page-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.page-body ul {
  margin: 12px 0 20px 20px;
  list-style: disc;
}

.page-body li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 6px;
}

.page-updated {
  font-size: 13px;
  color: var(--ink-subtle);
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 32px;
}

.breadcrumb a { color: var(--ink-muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--ink-subtle); }

/* ========== DISCLAIMER ========== */
.disclaimer-bar {
  background: var(--surface-2);
  border-top: 1px solid var(--hairline);
  padding: 12px 32px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-subtle);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-title { font-size: 44px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  :root { --section-gap: 64px; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 36px; letter-spacing: -0.8px; }
  .hero-image-card { order: -1; }
  .hero-image-card img { height: 260px; }

  .section-title { font-size: 30px; }

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

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .article-title { font-size: 34px; }
  .article-hero-image img { height: 260px; }

  .contact-section { padding: 32px 24px; }

  .cookie-banner { flex-direction: column; }
  .cookie-actions { width: 100%; justify-content: flex-end; }

  .species-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 36px; }

  .site-footer { padding: 48px 20px 32px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .article-title { font-size: 26px; }
}