/* Helpot sienet — shared styles
   Extend pages by reusing .section, .prose, .fi-word, .species-grid, .recipe-card */

:root {
  --color-bg: #e8eee8;
  --color-bg-deep: #d5e0d6;
  --color-surface: #f4f7f4;
  --color-ink: #1a2e22;
  --color-ink-muted: #3d5345;
  --color-moss: #2f5d45;
  --color-moss-dark: #1e3d2d;
  --color-gold: #c4921a;
  --color-gold-soft: #e8c86a;
  --color-bark: #5c4030;
  --color-line: #b8c9bb;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Lexend", "Segoe UI", sans-serif;
  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;
  --max-width: 68rem;
  --radius: 0.35rem;
  --shadow-soft: 0 12px 40px rgba(30, 61, 45, 0.08);
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 120% 80% at 10% -10%, #c5d8c8 0%, transparent 50%),
    radial-gradient(ellipse 90% 60% at 100% 0%, #d4c9a8 0%, transparent 45%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

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

a {
  color: var(--color-moss);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-bark);
}

a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* —— Layout —— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 247, 244, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  line-height: 1.2;
}

.brand:hover,
.brand:focus-visible {
  color: inherit;
}

.brand-fi {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--color-moss-dark);
  letter-spacing: -0.01em;
}

.brand-en {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.45rem 0.7rem;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-ink);
  cursor: pointer;
}

.nav-toggle[aria-expanded="true"] {
  background: var(--color-moss);
  color: var(--color-surface);
  border-color: var(--color-moss);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.25rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-moss-dark);
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--color-gold);
}

.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-moss-dark);
  color: #d5e0d6;
  padding: var(--space-lg) var(--space-md);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: space-between;
  align-items: flex-start;
}

.site-footer a {
  color: var(--color-gold-soft);
}

.site-footer p {
  margin: 0 0 var(--space-xs);
  font-size: 0.9rem;
}

/* —— AdSense in-content slots (sparse, between sections) —— */

.ad-slot {
  margin: var(--space-xl) auto;
  max-width: 42rem;
  padding: var(--space-sm) 0 var(--space-md);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  text-align: center;
  min-height: 6.5rem;
}

.ad-slot-label {
  margin: 0 0 var(--space-sm);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.ad-slot .adsbygoogle {
  display: block;
  min-height: 5rem;
}

/* —— Typography helpers —— */

.fi-word {
  font-weight: 600;
  color: var(--color-moss-dark);
}

.fi-word::after {
  content: none;
}

.gloss {
  font-weight: 400;
  color: var(--color-ink-muted);
  font-size: 0.92em;
}

.pronounce {
  font-family: var(--font-body);
  font-weight: 400;
  font-style: italic;
  color: var(--color-bark);
  font-size: 0.95em;
}

.section {
  margin-bottom: var(--space-xl);
}

.section-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.25;
  margin: 0 0 var(--space-md);
  color: var(--color-moss-dark);
}

.section h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-moss-dark);
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 var(--space-md);
  max-width: 42rem;
}

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

.prose li {
  margin-bottom: var(--space-xs);
}

.lead {
  font-size: 1.15rem;
  max-width: 40rem;
  color: var(--color-ink-muted);
}

/* —— Hero (home) —— */

.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  margin-bottom: var(--space-lg);
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -1rem -2rem auto;
  height: 70%;
  background:
    radial-gradient(ellipse at 20% 40%, rgba(196, 146, 26, 0.12), transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(47, 93, 69, 0.15), transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(2rem, 5vw, 3.15rem);
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  color: var(--color-moss-dark);
  max-width: 16ch;
  letter-spacing: -0.02em;
}

.hero .brand-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: var(--space-md);
}

.hero .brand-line .fi {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 700;
  color: var(--color-moss-dark);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero .brand-line .en {
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-moss);
  color: #f4f7f4;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-moss-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-moss-dark);
  border-color: var(--color-moss);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-moss);
  color: #f4f7f4;
}

/* —— Content cards / grids —— */

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--space-md);
}

.overview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-soft);
}

.overview-card:hover,
.overview-card:focus-visible {
  border-color: var(--color-moss);
  transform: translateY(-2px);
  color: inherit;
}

.overview-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0;
  color: var(--color-moss-dark);
}

.overview-card .latin {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--color-ink-muted);
}

.overview-card p {
  margin: var(--space-xs) 0 0;
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  flex: 1;
}

.overview-card .card-cta {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-moss);
}

.vocab-list {
  display: grid;
  gap: var(--space-sm);
  max-width: 36rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.vocab-list li {
  display: grid;
  grid-template-columns: minmax(8rem, auto) 1fr;
  gap: 0.5rem 1rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: baseline;
}

.vocab-list .fi-word {
  font-size: 1.05rem;
}

.callout {
  background: var(--color-surface);
  border-left: 4px solid var(--color-gold);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-md) 0;
  max-width: 42rem;
  box-shadow: var(--shadow-soft);
}

.callout h3 {
  margin-top: 0;
}

/* —— Species page patterns (ready for chunk 2) —— */

.page-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin: 0 0 var(--space-sm);
  color: var(--color-moss-dark);
  line-height: 1.2;
}

.names-block {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin: var(--space-md) 0;
}

.name-item dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  margin: 0;
}

.name-item dd {
  margin: 0.15rem 0 0;
  font-size: 1.1rem;
}

.photo-figure {
  margin: var(--space-lg) 0;
}

.photo-figure img {
  width: 100%;
  max-height: 28rem;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}

.photo-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  margin-top: var(--space-xs);
}

.credits {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-md);
  margin-top: var(--space-xl);
}

.credits ol {
  padding-left: 1.25rem;
}

/* —— Recipes (ready for chunk 3) —— */

.recipe-list {
  display: grid;
  gap: var(--space-lg);
}

.recipe {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-lg);
}

.recipe h3 {
  margin-top: 0;
}

/* —— Motion —— */

@media (prefers-reduced-motion: no-preference) {
  .hero .brand-line .fi {
    animation: rise-in 0.7s ease both;
  }

  .hero .lead {
    animation: rise-in 0.7s ease 0.12s both;
  }

  .hero-actions {
    animation: rise-in 0.7s ease 0.22s both;
  }

  .overview-card {
    animation: rise-in 0.5s ease both;
  }

  .overview-card:nth-child(1) { animation-delay: 0.05s; }
  .overview-card:nth-child(2) { animation-delay: 0.1s; }
  .overview-card:nth-child(3) { animation-delay: 0.15s; }
  .overview-card:nth-child(4) { animation-delay: 0.2s; }
  .overview-card:nth-child(5) { animation-delay: 0.25s; }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(0.6rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Responsive nav —— */

@media (max-width: 52rem) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-md);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .vocab-list li {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 30rem) {
  .hero .brand-line {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}