:root {
  --bg: hsl(40 33% 97%);
  --fg: hsl(150 30% 12%);
  --forest: hsl(150 45% 18%);
  --forest-mid: hsl(150 38% 26%);
  --ochre: hsl(28 55% 52%);
  --ochre-light: #e4bb81;
  --cream: hsl(40 45% 94%);
  --clay: hsl(18 45% 38%);
  --muted: hsl(40 20% 92%);
  --muted-fg: hsl(150 10% 38%);
  --card: #fff;
  --border: hsl(40 18% 86%);
  --shadow: 0 10px 30px rgba(21, 40, 31, 0.06);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; line-height: 1.15; margin: 0; }

.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
  color: var(--ochre);
}
.muted { color: var(--muted-fg); }
.serif { font-family: var(--serif); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  padding: 12px 18px;
  background: var(--ochre);
  color: var(--cream);
  font-weight: 600;
}
.btn:hover { filter: brightness(1.05); }
.btn-forest { background: var(--forest); color: var(--cream); }
.btn-forest:hover { background: var(--forest-mid); }
.btn-ghost {
  background: rgba(247, 242, 233, 0.12);
  color: var(--cream);
  border: 1px solid rgba(247, 242, 233, 0.28);
}
.btn-line {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
.btn-sm { padding: 8px 14px; font-size: 14px; }

.site-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 5;
  color: var(--cream);
}
.site-header .bar, .app-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
  background: transparent;
  border-radius: 0;
  overflow: visible;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 22px; }
.leaf {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(247, 242, 233, 0.16);
  display: grid; place-items: center;
  border: 1px solid rgba(247, 242, 233, 0.25);
}
.leaf svg { width: 18px; height: 18px; }
.nav { display: flex; gap: 22px; font-size: 14px; color: rgba(247,242,233,.86); }
.nav a:hover { color: #fff; }

.hero {
  min-height: 100vh;
  background: #0e2418 center/cover no-repeat;
  color: var(--cream);
  position: relative;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,22,14,.55), rgba(10,28,18,.72) 45%, rgba(8,20,14,.88));
}
.hero .inner { position: relative; z-index: 1; padding: 140px 0 72px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(247,242,233,.22);
  background: rgba(247,242,233,.1);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero h1 { font-size: clamp(46px, 6.4vw, 84px); max-width: 920px; margin: 28px 0 18px; font-weight: 460; }
.hero h1 em { font-style: italic; color: var(--ochre-light); font-weight: 500; }
.lead { font-size: 18px; max-width: 680px; color: rgba(247,242,233,.82); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 180px)); gap: 18px; margin-top: 64px; }
.stats div { border-left: 1px solid rgba(247,242,233,.25); padding-left: 16px; }
.stats strong { display: block; font-family: var(--serif); font-size: 40px; font-weight: 500; }
.stats span { color: rgba(247,242,233,.72); font-size: 14px; }

section { padding: 88px 0; }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(34px, 4vw, 52px); margin-top: 10px; }
.section-head p { color: var(--muted-fg); font-size: 18px; }

.cards { display: grid; gap: 16px; }
.cards.five { grid-template-columns: 1.3fr 1fr; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.card .num { color: var(--ochre); font-size: 13px; letter-spacing: .14em; font-weight: 600; }
.card h3 { font-size: 26px; margin: 10px 0 8px; }
.card p { color: var(--muted-fg); margin: 0; }
.card.feature-link { background: var(--forest); color: var(--cream); display: flex; flex-direction: column; min-height: 100%; }
.card.feature-link p { color: rgba(247,242,233,.75); }
.card.feature-link .more { margin-top: auto; padding-top: 22px; color: var(--ochre-light); font-weight: 600; }
.stack { display: grid; gap: 16px; }

.quote {
  background: var(--forest);
  color: var(--cream);
  border-radius: 24px;
  padding: 42px;
  margin-top: 28px;
}
.quote p { font-family: var(--serif); font-size: clamp(26px, 3vw, 38px); margin: 0; line-height: 1.25; }
.quote small { display: block; margin-top: 16px; letter-spacing: .12em; text-transform: uppercase; color: var(--ochre-light); }

.chains { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chain { overflow: hidden; padding: 0; }
.chain img { height: 210px; width: 100%; object-fit: cover; }
.chain .body { padding: 22px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { font-size: 12px; background: hsl(28 55% 52% / .14); color: var(--clay); border-radius: 999px; padding: 5px 10px; font-weight: 600; }

.factors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.factor .peso { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ochre); font-weight: 700; }
.example { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; margin-top: 18px; }
.range { position: relative; height: 8px; background: var(--muted); border-radius: 99px; margin: 28px 8px 46px; }
.mark { position: absolute; top: -6px; width: 2px; height: 20px; background: var(--forest); }
.mark span { position: absolute; top: 24px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-size: 12px; color: var(--muted-fg); }
.mark b { display: block; color: var(--fg); font-family: var(--serif); font-size: 16px; font-weight: 500; }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kpi { background: var(--muted); border-radius: 14px; padding: 14px; }
.kpi span { font-size: 12px; color: var(--muted-fg); }
.kpi strong { display: block; font-family: var(--serif); font-size: 28px; }
.method { margin: 16px 0 0; padding-left: 18px; color: var(--muted-fg); }
.note { font-size: 13px; color: var(--muted-fg); margin-top: 12px; }

.band { background: var(--forest); color: var(--cream); }
.band .section-head p { color: rgba(247,242,233,.75); }
.benchmarks, .impact, .model { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(247,242,233,.12); border-radius: 20px; overflow: hidden; }
.bench, .impact article, .rev {
  background: var(--forest);
  padding: 28px;
}
.bench:hover, .impact article:hover { background: var(--forest-mid); }
.bench .idx { color: var(--ochre-light); font-size: 13px; letter-spacing: .14em; }
.impact article strong { display: block; font-family: var(--serif); font-size: 48px; margin: 8px 0; }
.model { background: transparent; gap: 16px; }
.rev { background: var(--card); color: var(--fg); border-radius: 20px; border: 1px solid var(--border); }
.rev .stage { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ochre); font-weight: 700; }

.cta { text-align: left; }
.cta h2 { font-size: clamp(36px, 5vw, 60px); max-width: 760px; }
.form { display: grid; gap: 12px; margin-top: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #fffdf9;
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--forest); }
.band input, .band select, .band textarea { background: rgba(255,255,255,.96); }
.ok { background: #e7f3ea; color: #1d4a2e; border-radius: 12px; padding: 12px 14px; }
.err { background: #fdecec; color: #8a2b2b; border-radius: 12px; padding: 12px 14px; }

.footer { padding: 48px 0 28px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; }
.footer h4 { margin: 0 0 10px; font-family: var(--sans); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; color: var(--muted-fg); }
.copy { margin-top: 28px; color: var(--muted-fg); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; }

.app-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250,248,245,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.app-header .bar { height: 68px; display: flex; align-items: center; justify-content: space-between; }
.app-brand { display: flex; align-items: center; gap: 10px; }
.app-brand .leaf { background: var(--forest); color: var(--cream); border: 0; }
.app-brand small { display: block; letter-spacing: .14em; font-size: 10px; color: var(--muted-fg); }
.app-actions { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.app-hero {
  background: linear-gradient(120deg, #123224, #1d4632 60%, #24543c);
  color: var(--cream);
  padding: 36px 0 28px;
}
.app-hero h1 { font-size: clamp(34px, 4vw, 52px); margin: 8px 0; }
.app-hero p { max-width: 680px; color: rgba(247,242,233,.8); margin: 0; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: -22px; position: relative; }
.tab {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
}
.tab.active { background: var(--forest); color: var(--cream); border-color: var(--forest); }
.panel { padding: 28px 0 64px; display: grid; gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: 1.4fr .8fr; gap: 16px; }
.stat label { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-fg); font-weight: 700; }
.stat .value { font-family: var(--serif); font-size: 36px; margin-top: 8px; }
.stat .sub { color: var(--muted-fg); font-size: 13px; }
.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 8px; }
.card-head p { margin: 4px 0 0; }
.row {
  display: grid;
  grid-template-columns: 1.3fr 1fr .7fr .9fr;
  gap: 10px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.badge { display: inline-flex; border-radius: 999px; padding: 4px 10px; background: hsl(150 45% 18% / .08); color: var(--forest); font-size: 12px; font-weight: 650; }
.ia { background: var(--forest); color: var(--cream); }
.ia p { font-family: var(--serif); font-size: 20px; line-height: 1.3; }
.alert { display: flex; gap: 12px; }
.dot { width: 32px; height: 32px; border-radius: 50%; background: hsl(28 55% 52% / .16); color: var(--ochre); display: grid; place-items: center; flex: none; font-weight: 700; }
.season { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.season b { width: 220px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-fg); padding: 12px; background: var(--muted); }
td { padding: 12px; border-top: 1px solid var(--border); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.sug { font-family: var(--serif); font-size: 18px; color: var(--forest); }
.up { color: #1f7a45; } .down { color: #a33b2b; }
.pills { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 14px; }
.pills a, .pills button { border-radius: 999px; border: 1px solid var(--border); background: #fff; padding: 6px 12px; cursor: pointer; }
.pills .on { background: var(--forest); color: var(--cream); border-color: var(--forest); }
.meter { height: 10px; background: var(--muted); border-radius: 99px; overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--forest); }
.part { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; margin: 10px 0; font-size: 14px; }
.legend { display: flex; gap: 16px; font-size: 13px; color: var(--muted-fg); margin-bottom: 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.lot, .audit { width: 100%; text-align: left; background: transparent; border: 0; border-top: 1px solid var(--border); padding: 16px 0; cursor: pointer; }
.lot-top, .audit-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; font-size: 13px; }
.timeline { margin: 8px 0 4px 8px; border-left: 2px solid var(--border); padding-left: 14px; }
.timeline div { margin: 10px 0; }
.chain-steps { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 10px; font-size: 13px; }
.chain-steps span { background: var(--muted); border-radius: 999px; padding: 4px 10px; }
.match { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.occ { margin-top: 10px; font-size: 13px; color: var(--muted-fg); }
.auth-page { min-height: 100vh; display: grid; align-content: start; }
.auth-card { width: min(460px, calc(100% - 32px)); margin: 48px auto; background: #fff; border: 1px solid var(--border); border-radius: 22px; padding: 32px; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 32px; margin-bottom: 8px; }
.field-error { color: #a33b2b; font-size: 12px; font-weight: 500; }
.footer-app { text-align: center; color: var(--muted-fg); font-size: 13px; padding-bottom: 28px; }

.admin {
  --admin-font: "DM Sans", "Inter", system-ui, sans-serif;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
  background: #f4f6f8;
  font-family: var(--admin-font);
}
.admin h1, .admin h2, .admin h3, .admin button, .admin input, .admin select, .admin textarea, .admin .sug, .admin .stat .value {
  font-family: var(--admin-font);
}
.admin h1, .admin h2, .admin h3 { font-weight: 650; letter-spacing: -0.03em; }
.admin .btn, .admin .tab, .admin .pills a { transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease; }
.admin .btn:hover { transform: translateY(-1px); }
.admin .btn-line:hover { border-color: var(--forest); color: var(--forest); background: hsl(150 45% 18% / .06); }
.admin .card { border-radius: 12px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }
.admin .stat { display: flex; align-items: flex-start; gap: 14px; transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.admin .stat:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(16, 24, 40, .08); border-color: #d7e0da; }
.stat-icon { width: 40px; height: 40px; border-radius: 10px; background: hsl(150 45% 18% / .1); color: var(--forest); display: grid; place-items: center; flex: none; }
.stat-icon svg { width: 18px; height: 18px; }
.admin .stat .value { font-size: 28px; font-weight: 700; margin-top: 2px; }
.admin .row, .admin .msg, .admin .lot, .admin .audit, .admin .match, .admin table tbody tr { transition: background .15s ease; }
.admin .row:hover, .admin .msg:hover, .admin .lot:hover, .admin .audit:hover, .admin table tbody tr:hover { background: #f6f8f7; }
.admin .match:hover { border-color: #d7e0da; }
.page-title { display: flex; align-items: center; gap: 12px; }
.admin-user { display: flex; align-items: center; gap: 10px; }
.admin-user .stat-icon { width: 32px; height: 32px; border-radius: 50%; }
.admin-user .stat-icon svg { width: 16px; height: 16px; }
.side {
  background: #fff;
  color: var(--fg);
  display: flex;
  flex-direction: column;
  padding: 22px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--border);
}
.side-brand { display: flex; align-items: center; gap: 10px; color: var(--fg); padding: 4px 8px 18px; }
.side-brand b { display: block; font-family: var(--serif); font-size: 20px; font-weight: 500; }
.side-brand small { display: block; letter-spacing: .14em; text-transform: uppercase; font-size: 10px; color: var(--forest); }
.side .leaf { background: var(--forest); color: #fff; border-color: transparent; }
.side-nav { display: grid; gap: 4px; }
.side-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 12px;
  border-radius: 10px;
  color: var(--muted-fg);
  font-size: 14px;
  font-weight: 550;
}
.side-label { display: flex; align-items: center; gap: 10px; min-width: 0; }
.side svg { width: 18px; height: 18px; flex: none; }
.side-nav a:hover { background: hsl(150 45% 18% / .08); color: var(--forest); }
.side-nav a.active { background: var(--forest); color: #fff; }
.side-count { min-width: 22px; text-align: center; border-radius: 99px; background: var(--forest); color: #fff; font-size: 12px; padding: 1px 6px; }
.side-nav a.active .side-count { background: rgba(255,255,255,.22); color: #fff; }
.side-foot { margin-top: auto; display: grid; gap: 4px; padding-top: 18px; border-top: 1px solid var(--border); }
.side-foot a { display: flex; align-items: center; gap: 10px; color: var(--muted-fg); font-size: 14px; padding: 10px 12px; border-radius: 10px; }
.side-foot a:hover { background: hsl(150 45% 18% / .08); color: var(--forest); }
.admin-main { min-width: 0; background: #f4f6f8; }
.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 5;
}
.admin-top h1 { font-size: 22px; }
.admin-top .eyebrow { color: var(--forest); letter-spacing: .12em; }
.admin-user { font-size: 14px; color: var(--fg); background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px 6px 6px; }
.admin-content { padding: 24px 28px 48px; display: grid; gap: 18px; }
.row-admin { grid-template-columns: 1.3fr 1fr .7fr 1fr auto; }
.msg { padding: 14px 0; border-top: 1px solid var(--border); }
.msg p { margin: 6px 0 0; color: var(--fg); }

@media (max-width: 980px) {
  .nav { display: none; }
  .cards.five, .chains, .factors, .example, .benchmarks, .impact, .grid-4, .grid-3, .grid-2, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .model { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr 1fr; }
  .season { flex-direction: column; align-items: flex-start; }
  .season b { width: auto; }
}
@media (max-width: 760px) {
  .admin { grid-template-columns: 1fr; }
  .side { position: static; height: auto; }
  .side-nav { grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; }
  .side-foot { display: flex; margin-top: 12px; }
  .admin-top { position: static; flex-wrap: wrap; }
  .row-admin { grid-template-columns: 1fr 1fr; }
}