/* Navira × Evans List — listing-optimization proposal microsite.
   Uses the shared NAVIRA brand tokens (tokens.css) so dark/light match the
   first project. Headings: Space Grotesk; body: Inter. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }

h1, h2, h3, h4 { font-family: "Space Grotesk", Inter, system-ui, sans-serif; line-height: 1.2; }
h2 { font-size: 1.7rem; margin: 0 0 .6rem; letter-spacing: -.01em; }
h3 { font-size: 1.12rem; margin: 1.8rem 0 .5rem; color: var(--text); }
h4 { font-size: .98rem; margin: 0 0 .35rem; }

/* ── Top bar ─────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: .7rem 1.25rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; }
.brand-logo { height: 26px; width: auto; display: block; }
.brand-x { color: var(--muted-2); font-weight: 400; }
.brand-el { font-family: "Space Grotesk", sans-serif; letter-spacing: .01em; }
.theme-toggle {
  background: var(--bg-soft); color: var(--text); border: 1px solid var(--border);
  border-radius: .5rem; width: 2rem; height: 2rem; cursor: pointer; font-size: 1rem;
}
.theme-toggle:hover { border-color: var(--accent); }

/* ── Hero ────────────────────────────────────────────────── */
.hero { max-width: 920px; margin: 0 auto; padding: 2.6rem 1.25rem 1.4rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; font-weight: 700;
  color: var(--accent); margin: 0 0 .5rem;
}
.hero h1 { font-size: 2.4rem; margin: 0 0 .7rem; letter-spacing: -.02em; }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 70ch; margin: 0 0 1.4rem; }
.meta { display: flex; flex-wrap: wrap; gap: 1.6rem; padding-top: .6rem; border-top: 1px solid var(--border); }
.meta-item { display: flex; flex-direction: column; }
.meta-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); }
.meta-value { font-weight: 600; font-size: .92rem; }

/* ── Tabs ────────────────────────────────────────────────── */
.tabs {
  position: sticky; top: 49px; z-index: 20;
  display: flex; gap: .25rem; flex-wrap: wrap; justify-content: center;
  max-width: 920px; margin: 1rem auto 0; padding: .4rem .75rem;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: .8rem;
}
.tab {
  border: 0; background: transparent; color: var(--muted);
  font: 600 .88rem Inter, sans-serif; padding: .5rem .8rem; border-radius: .55rem; cursor: pointer;
  white-space: nowrap;
}
.tab:hover { color: var(--text); background: var(--bg-softer); }
.tab.is-active { background: var(--accent); color: var(--on-accent); }

/* ── Panels ──────────────────────────────────────────────── */
.wrap { max-width: 920px; margin: 0 auto; padding: 1.4rem 1.25rem 3rem; }
.panel { display: none; animation: fade .25s ease; }
.panel.is-active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.panel p { max-width: 74ch; }
.fine { font-size: .84rem; color: var(--muted-2); }

/* ── Cards ───────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin: 1.4rem 0; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; display: flex; flex-direction: column; gap: .25rem; box-shadow: var(--shadow);
}
.card.accent { border-color: var(--accent); }
.card-k { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-2); }
.card-v { font-family: "Space Grotesk", sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.card-s { font-size: .82rem; color: var(--muted); }

/* ── Lists ───────────────────────────────────────────────── */
ul.check, ul.cross { list-style: none; padding-left: 0; max-width: 74ch; }
ul.check li, ul.cross li { position: relative; padding-left: 1.6rem; margin: .4rem 0; }
ul.check li::before { content: "✓"; position: absolute; left: 0; color: var(--verified); font-weight: 800; }
ul.cross li::before { content: "✕"; position: absolute; left: 0; color: var(--hot); font-weight: 800; }
ol.num { max-width: 74ch; padding-left: 1.2rem; }
ol.num li { margin: .45rem 0; }

/* ── Callout ─────────────────────────────────────────────── */
.callout {
  margin: 1.4rem 0; padding: .9rem 1.1rem; border-radius: .6rem;
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  border-left: 3px solid var(--accent); font-size: .94rem; max-width: 78ch;
}

/* ── Grid / mini ─────────────────────────────────────────── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; margin-top: .6rem; }
.mini { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: .9rem 1rem; }

/* ── Mermaid ─────────────────────────────────────────────── */
pre.mermaid {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; margin: .8rem 0 1.2rem; text-align: center; overflow-x: auto;
}

/* ── Tables ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: .6rem 0 1rem; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 460px; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--border); }
th { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted-2); }
tr.row-best td { background: color-mix(in srgb, var(--accent) 8%, transparent); }
tr.row-sum td { border-top: 2px solid var(--border); font-weight: 600; }
tr.row-floor td { color: var(--muted); }

/* ── Chart ───────────────────────────────────────────────── */
.chart-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin: .8rem 0; }

/* ── Calculator ──────────────────────────────────────────── */
.calc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin: 1.2rem 0; }
.calc-field { display: flex; flex-direction: column; gap: .35rem; font-size: .74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; color: var(--muted-2); }
input[type="number"] {
  font: 600 .95rem Inter, sans-serif; color: var(--text);
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: .45rem;
  padding: .45rem .55rem; width: 100%;
}
input[type="number"]:focus { outline: none; border-color: var(--accent); }
.calc-fixed {
  display: inline-flex; align-items: center; font: 700 .95rem Inter, sans-serif; color: var(--text);
  background: var(--bg-softer); border: 1px dashed var(--border); border-radius: .45rem; padding: .45rem .55rem;
}
.scenario { display: flex; gap: .25rem; }
.scenario button {
  flex: 1; padding: .45rem .3rem; border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--muted); border-radius: .4rem; cursor: pointer; font: 700 .82rem Inter, sans-serif;
}
.scenario button.on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.calc-cards { margin: 0 0 1.2rem; }
.calc-table input.cell { width: 5.5rem; padding: .3rem .45rem; font-size: .86rem; }
.calc-table .cell-static { color: var(--muted); }
.calc-table tfoot th { border-top: 2px solid var(--border); font-size: .9rem; color: var(--text); }
.inline-num { width: 5.5rem; margin-left: .5rem; padding: .25rem .4rem !important; font-size: .82rem; }

/* ── Phase detail blocks ─────────────────────────────────── */
.phase-block {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: .85rem 1.1rem; margin: .8rem 0;
}
.phase-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  margin-bottom: .4rem;
}
.phase-title { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.02rem; }
.phase-tot { font-size: .8rem; font-weight: 600; color: var(--accent); white-space: nowrap; }
.phase-items { list-style: none; padding: 0; margin: 0; }
.phase-items li {
  display: flex; justify-content: space-between; gap: 1.2rem; align-items: baseline;
  padding: .45rem 0; border-top: 1px solid var(--border); font-size: .9rem;
}
.phase-items li:first-child { border-top: 0; }
.phase-hrs { color: var(--muted-2); font-weight: 600; font-size: .82rem; white-space: nowrap; }

.divider { border: 0; border-top: 1px solid var(--border); margin: 2rem 0 1.5rem; }

/* ── Proof of Concept highlight (amber, draws the eye) ───── */
.poc {
  background: rgba(240, 180, 41, .12);
  border: 1px solid rgba(240, 180, 41, .45);
  border-left: 4px solid #f0b429;
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  margin: 1rem 0 1.6rem;
}
.poc > :first-child { margin-top: 0; }
.poc > :last-child { margin-bottom: 0; }
.poc .phase-block { border: 0; background: transparent; padding: 0; margin: .6rem 0 0; }
.poc-eyebrow {
  display: block; font-size: .72rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: #b97400; margin: 0 0 .35rem;
}
html[data-theme="dark"] .poc-eyebrow { color: #f5bf4f; }
.card.poc { border-color: #f0b429; background: rgba(240, 180, 41, .12); }
.card.poc .card-v { color: #b97400; }
html[data-theme="dark"] .card.poc .card-v { color: #f5bf4f; }
/* Overview PoC box: text + a price card side by side */
.poc-lead { display: flex; gap: 1.3rem; align-items: center; }
.poc-lead-text { flex: 1 1 auto; }
.poc-price { flex: 0 0 auto; width: 215px; background: var(--bg-card); border-color: #f0b429; box-shadow: var(--shadow); }
.poc-price .card-v { color: #b97400; }
html[data-theme="dark"] .poc-price .card-v { color: #f5bf4f; }
@media (max-width: 640px) { .poc-lead { flex-direction: column; align-items: stretch; } .poc-price { width: auto; } }
.phase-block.poc-block { border-left-color: #f0b429; border-color: rgba(240, 180, 41, .4); background: rgba(240, 180, 41, .1); }

/* Creative tab = the PoC tab (two-line, amber) */
.tab-poc { color: #b97400; line-height: 1.05; text-align: center; }
.tab-poc .tab-sub { display: block; font-size: .64rem; font-weight: 700; opacity: .95; margin-top: .12rem; }
.tab-poc:not(.is-active) { background: rgba(240, 180, 41, .13); }
.tab-poc.is-active { background: #f0b429; color: #3a2600; }
html[data-theme="dark"] .tab-poc { color: #f5bf4f; }
html[data-theme="dark"] .tab-poc.is-active { color: #2a1c00; }

.sign { font-weight: 600; margin-top: 1.4rem; }

/* ── Footer ──────────────────────────────────────────────── */
.foot {
  max-width: 920px; margin: 0 auto; padding: 1.2rem 1.25rem 2rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--border); color: var(--muted-2); font-size: .8rem;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 720px) {
  .hero h1 { font-size: 1.9rem; }
  .cards, .grid2, .calc-grid { grid-template-columns: 1fr; }
  .tabs { top: 49px; }
}