:root {
  --pine-deep: #002117;
  --pine: #143528;
  --leaf: #2f6b4f;
  --straw: #e6b044;
  --paper: #ffffff;
  --mist: #eef2ef;
  --ink: #1a221e;
  --muted: #5c6b62;
  --sage: #7a8f82;
  --line: #d5ddd8;
  --ok: #e8f3ec;
  --radius: 16px;
  --font: "Figtree", system-ui, sans-serif;
  --display: "Syne", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--mist);
  line-height: 1.45;
}
a { color: var(--leaf); text-decoration: none; }
a:hover { color: var(--pine); }
em { font-style: normal; color: var(--straw); }

.mock-banner {
  background: var(--pine-deep);
  color: rgba(244,247,245,.85);
  font-size: .78rem;
  padding: .45rem 1rem;
  text-align: center;
}
.mock-banner a { color: var(--straw); font-weight: 700; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.25rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -.03em;
  color: var(--pine);
}
.nav nav {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--muted);
}
.nav nav a { color: var(--muted); }
.nav nav a:hover, .nav nav a.is-on { color: var(--pine); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.15rem;
  border-radius: 999px;
  border: 0;
  background: var(--pine);
  color: #fff !important;
  font-weight: 700;
  font-size: .9rem;
  cursor: pointer;
}
.btn:hover { background: var(--leaf); color: #fff !important; }
.btn-sm { padding: .45rem .9rem; font-size: .8rem; }
.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--line);
  color: var(--pine) !important;
}
.btn-ghost:hover { border-color: var(--leaf); }
.btn-straw { background: var(--straw); color: var(--pine-deep) !important; }

.wrap { max-width: 72rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
.eyebrow {
  margin: 0 0 .4rem;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sage);
}
h1, .page-title {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.08;
  color: var(--pine);
  margin: 0;
}
.lede { margin: .85rem 0 0; max-width: 38rem; color: var(--muted); font-size: 1.05rem; }
.note { margin-top: 2rem; color: var(--muted); font-size: .9rem; }

.index-main h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); }
.screen-grid {
  margin-top: 2rem;
  display: grid;
  gap: .85rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.screen-card {
  display: block;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1rem 1.2rem;
  color: inherit;
  transition: transform .15s ease, border-color .15s;
}
.screen-card:hover {
  transform: translateY(-2px);
  border-color: var(--leaf);
  color: inherit;
}
.screen-kicker {
  display: inline-grid;
  place-items: center;
  width: 1.6rem; height: 1.6rem;
  border-radius: 8px;
  background: var(--ok);
  color: var(--leaf);
  font-size: .72rem;
  font-weight: 800;
}
.screen-card h2 {
  margin: .55rem 0 .25rem;
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--pine);
}
.screen-card p { margin: 0; font-size: .85rem; color: var(--muted); }

/* Hero landing */
.hero {
  min-height: calc(100vh - 6rem);
  display: grid;
  background: var(--pine-deep);
  color: #f4f7f5;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 60% at 70% 20%, rgba(230,176,68,.18), transparent 55%),
    linear-gradient(105deg, rgba(0,33,23,.92) 0%, rgba(0,33,23,.55) 45%, rgba(0,33,23,.25) 100%),
    url("https://images.unsplash.com/photo-1548199973-03cce0bbc87b?auto=format&fit=crop&w=1600&q=70") right center / cover no-repeat;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  padding: clamp(2rem, 6vw, 4.5rem) 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero .logo { color: #fff; font-size: clamp(1.8rem, 5vw, 2.6rem); margin-bottom: .75rem; }
.hero h1 {
  color: #fff;
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  max-width: 14ch;
}
.hero .lede { color: rgba(244,247,245,.78); }
.search-pill {
  margin-top: 1.5rem;
  display: flex;
  gap: .5rem;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  padding: .4rem .4rem .4rem 1.1rem;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.search-pill input {
  flex: 1;
  border: 0;
  outline: 0;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  min-width: 0;
  background: transparent;
}
.hero-stat {
  margin-top: 1.5rem;
  font-size: .95rem;
  font-weight: 600;
  color: rgba(244,247,245,.7);
}
.hero-stat strong { color: var(--straw); font-weight: 800; }
.doors {
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-top: 2.5rem;
  padding: 0 1.25rem 3rem;
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
}
.door {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.15rem 1rem;
  border: 1.5px solid var(--line);
  color: inherit;
}
.door h3 {
  margin: 0 0 .35rem;
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--pine);
}
.door p { margin: 0; font-size: .85rem; color: var(--muted); }

/* Catalog */
.page-head {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}
.soft-search {
  display: flex;
  gap: .5rem;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: .4rem .4rem .4rem 1rem;
  max-width: 40rem;
  margin-bottom: 1rem;
}
.soft-search input {
  flex: 1; border: 0; outline: 0; font: inherit; background: transparent;
}
.chips {
  display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 1.25rem;
}
.chip {
  padding: .35rem .8rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  font-size: .8rem;
  font-weight: 700;
  color: var(--ink);
}
.chip.on { background: var(--pine); color: #fff; border-color: var(--pine); }

.grid-dogs {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.dog {
  background: var(--paper);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  color: inherit;
  display: block;
}
.dog-photo {
  aspect-ratio: 4/3;
  background: #c5d4cb center/cover no-repeat;
  position: relative;
}
.heart {
  position: absolute;
  top: .6rem; left: .6rem;
  width: 2.2rem; height: 2.2rem;
  border-radius: 999px;
  background: rgba(255,255,255,.94);
  color: #2f9e62;
  display: grid; place-items: center;
  animation: pulse 1.4s ease-in-out infinite;
  font-size: 1rem;
}
@keyframes pulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}
.pill {
  position: absolute;
  left: .6rem; bottom: .6rem;
  background: rgba(47,107,79,.95);
  color: #fff;
  font-size: .65rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border-radius: 999px;
}
.dog-body { padding: .85rem .9rem 1rem; }
.dog-body h3 {
  margin: 0;
  font-size: 1.05rem;
  font-family: var(--display);
  color: var(--pine);
}
.dog-body .meta { margin: .3rem 0 0; font-size: .82rem; color: var(--muted); }
.dog-body .place { font-weight: 700; color: var(--pine); }

.pagination-bar {
  margin-top: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
}
.pagination-bar strong { color: var(--pine); }

/* Explorer */
.explorer {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 900px) {
  .explorer { grid-template-columns: 260px 1fr; align-items: start; }
}
.side {
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  position: sticky;
  top: 4.5rem;
}
.side label {
  display: block;
  font-size: .7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--sage);
  margin: .75rem 0 .35rem;
}
.side select, .side input[type="text"] {
  width: 100%;
  padding: .5rem .6rem;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  font: inherit;
}

/* Tierra mock */
.earth-stage {
  min-height: 70vh;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 40% 45%, #1a4d33, #050807 70%);
  color: #f4f7f5;
  border: 1px solid #1a2e24;
}
.earth-ui {
  position: absolute;
  inset: 0;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}
.earth-ui > * { pointer-events: auto; }
.earth-panel {
  max-width: 22rem;
  background: rgba(8,14,11,.82);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 1.1rem 1.15rem;
}
.earth-panel h1 {
  color: #fff;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}
.earth-panel p { color: rgba(244,247,245,.7); margin: .5rem 0 0; font-size: .88rem; }
.style-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .9rem; }
.style-row button {
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  color: #fff;
  border-radius: 999px;
  padding: .35rem .75rem;
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
}
.style-row button.on { background: var(--leaf); border-color: var(--leaf); }
.clusters {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 999px;
  background: rgba(47,107,79,.88);
  border: 2px solid #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: .75rem;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.b1 { width: 52px; height: 52px; left: 28%; top: 42%; }
.b2 { width: 40px; height: 40px; left: 48%; top: 38%; }
.b3 { width: 64px; height: 64px; left: 55%; top: 52%; }
.b4 { width: 36px; height: 36px; left: 38%; top: 58%; }
.b5 { width: 44px; height: 44px; left: 62%; top: 35%; }

/* Universe */
.uni {
  display: grid;
  min-height: calc(100vh - 5rem);
}
@media (min-width: 960px) {
  .uni { grid-template-columns: 360px 1fr; }
}
.uni-side {
  background: var(--mist);
  border-right: 1px solid var(--line);
  padding: 1.25rem;
  overflow: auto;
}
.uni-graph {
  min-height: 60vh;
  background:
    radial-gradient(circle at 50% 40%, #d7e6dc, #eef2ef 60%);
  position: relative;
  overflow: hidden;
}
.hub {
  position: absolute;
  left: 50%; top: 45%;
  transform: translate(-50%, -50%);
  width: 88px; height: 88px;
  border-radius: 999px;
  background: var(--pine);
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: .75rem;
  font-weight: 800;
  z-index: 2;
  box-shadow: 0 12px 32px rgba(20,53,40,.25);
}
.node {
  position: absolute;
  width: 48px; height: 48px;
  border-radius: 999px;
  border: 3px solid #fff;
  background: #9bb5a5 center/cover;
  box-shadow: 0 6px 16px rgba(0,0,0,.15);
}
.n1 { left: 28%; top: 28%; background-image: url("https://images.unsplash.com/photo-1587300003388-59208cc962cb?w=200&q=60"); }
.n2 { left: 68%; top: 25%; background-image: url("https://images.unsplash.com/photo-1558788353-f76d92427f16?w=200&q=60"); }
.n3 { left: 75%; top: 55%; background-image: url("https://images.unsplash.com/photo-1517849845537-4d257902454a?w=200&q=60"); }
.n4 { left: 22%; top: 58%; background-image: url("https://images.unsplash.com/photo-1530281700549-e82e7bf110d6?w=200&q=60"); }
.n5 { left: 48%; top: 72%; background-image: url("https://images.unsplash.com/photo-1583511655857-d19b40a7a54e?w=200&q=60"); }

/* Detail / shelter / etc */
.detail {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 800px) {
  .detail { grid-template-columns: 1.1fr .9fr; }
}
.detail-media {
  aspect-ratio: 5/4;
  border-radius: 20px;
  background: #c5d4cb center/cover;
  border: 1px solid var(--line);
}
.card-soft {
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .65rem;
  margin-top: 1rem;
}
.metric {
  background: var(--mist);
  border-radius: 12px;
  padding: .85rem .6rem;
  text-align: center;
}
.metric strong {
  display: block;
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--pine);
}
.metric span {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.table th, .table td {
  text-align: left;
  padding: .75rem .9rem;
  border-bottom: 1px solid var(--line);
  font-size: .9rem;
}
.table th {
  background: var(--mist);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--sage);
}
.badge-on {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  background: var(--ok);
  color: var(--leaf);
  font-size: .72rem;
  font-weight: 800;
}

.help-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 1.5rem;
}
.footer-mock {
  margin-top: 3rem;
  padding: 1.5rem 1.25rem;
  text-align: center;
  font-size: .8rem;
  color: var(--sage);
  border-top: 1px solid var(--line);
}