/* =========================================================================
   REV.health — public EMR scorecard
   Restrained, high-craft. Navy + mint. Generous whitespace, calm layout.
   ========================================================================= */

:root {
  --navy-0:   #0b1220;   /* page background */
  --navy-1:   #0f1830;   /* raised surface  */
  --navy-2:   #111a2e;   /* modal / card    */
  --navy-3:   #16213b;   /* row hover       */
  --line:     #22304f;
  --line-2:   #2c3c61;

  --ink:      #e9eefb;   /* primary text    */
  --ink-dim:  #aab6d4;
  --ink-mute: #6f7da0;

  --blue:     #4ea1ff;
  --mint:     #5ce0b8;
  --mint-dim: #43b794;
  --amber:    #e6b06b;
  --red:      #ef7a72;

  --sp:       clamp(56px, 8vw, 110px);   /* the big rhythm */
  --pad-x:    clamp(20px, 5vw, 56px);
  --maxw:     1180px;

  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-mono:  'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --r:    12px;
  --r-lg: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(78,161,255,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(92,224,184,.07), transparent 55%),
    var(--navy-0);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; }
::selection { background: rgba(92,224,184,.28); }

/* ---------- HEADER ---------- */
.hdr {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--pad-x);
  background: rgba(11,18,32,.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; font-weight: 600; letter-spacing: .2px;
}
.brand-logo { display: block; }
.brand-word { color: var(--ink); font-size: 1.05rem; }
.hdr-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(12px, 2.4vw, 28px); }
.hdr-nav a, .hdr-nav .link-btn {
  text-decoration: none; color: var(--ink-dim); font-size: .92rem; font-weight: 500;
  transition: color .15s ease;
}
.hdr-nav a:hover, .hdr-nav .link-btn:hover { color: var(--mint); }
.hdr-nav .hdr-back {
  color: var(--mint); font-weight: 600;
  padding-left: clamp(12px, 2.4vw, 28px);
  border-left: 1px solid var(--line);
}
.hdr-nav .hdr-back:hover { color: var(--ink); }
@media (max-width: 560px) { .hdr-nav a[href="#cost"], .hdr-nav a[href="#scorecard"] { display: none; } }

.link-btn {
  background: none; border: none; padding: 0; cursor: pointer;
  font: inherit; color: var(--mint);
}

/* ---------- HERO ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: var(--sp) var(--pad-x) calc(var(--sp) * .7);
  text-align: left;
}
.eyebrow {
  margin: 0 0 18px; font-family: var(--font-mono);
  font-size: .76rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--mint);
}
.hero h1 {
  margin: 0; font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2rem, 5.2vw, 3.4rem); line-height: 1.08;
  letter-spacing: -.01em; max-width: 18ch;
}
.hero .lede {
  margin: 26px 0 0; font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-dim); max-width: 56ch;
}
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { margin: 24px 0 0; font-family: var(--font-mono); font-size: .8rem; color: var(--ink-mute); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; cursor: pointer;
  font-size: .95rem; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(120deg, var(--blue), var(--mint));
  color: #08111f;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }

/* ---------- BANDS ---------- */
.band { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x) var(--sp); scroll-margin-top: 80px; }
.band-head { margin-bottom: 28px; max-width: 60ch; }
.band-head h2 {
  margin: 0 0 8px; font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(1.5rem, 3.2vw, 2rem); letter-spacing: -.01em;
}
.band-head p { margin: 0; color: var(--ink-dim); font-size: 1.02rem; }

/* ---------- LEAD GRID (the point) ---------- */
.lead-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.lead-card {
  background: linear-gradient(180deg, var(--navy-1), var(--navy-2));
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px;
}
.lead-card .k {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-mute);
}
.lead-card .v {
  margin: 10px 0 6px; font-family: var(--font-serif);
  font-size: 1.7rem; font-weight: 600; line-height: 1.1;
}
.lead-card .v.mint { color: var(--mint); }
.lead-card .d { margin: 0; color: var(--ink-dim); font-size: .95rem; }
.lead-card.lead-wide { grid-column: 1 / -1; }
.lead-card.lead-wide .d { font-size: 1.02rem; max-width: 70ch; }

/* ---------- TABLE SCROLL (responsive core) ---------- */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--navy-1);
}
.table-scroll::-webkit-scrollbar { height: 10px; }
.table-scroll::-webkit-scrollbar-track { background: transparent; }
.table-scroll::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 99px; }

.grid {
  border-collapse: collapse; width: 100%;
  font-size: .86rem; min-width: max-content;
}
.grid th, .grid td {
  padding: 11px 14px; text-align: left; white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
.grid thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--navy-2);
  font-weight: 600; color: var(--ink-dim);
  font-size: .76rem; letter-spacing: .02em;
  border-bottom: 1px solid var(--line-2);
}
.grid th.num, .grid td.num { text-align: right; font-family: var(--font-mono); }
.grid th.strong, .grid td.strong { color: var(--ink); }
.grid tbody tr { cursor: pointer; transition: background .12s ease; }
.grid tbody tr:hover { background: var(--navy-3); }
.grid tbody tr:last-child td { border-bottom: none; }

.grid th.sortable { cursor: pointer; user-select: none; }
.grid th.sortable:hover { color: var(--mint); }
.grid th.sortable .arrow { opacity: .55; font-size: .7em; margin-left: 3px; }
.grid th.sort-active { color: var(--mint); }

/* sticky first column so vendor name stays while scrolling criteria */
.sticky-col { position: sticky; left: 0; z-index: 1; background: var(--navy-1); }
.grid thead th.sticky-col { z-index: 3; background: var(--navy-2); }
.grid tbody tr:hover .sticky-col { background: var(--navy-3); }

.v-name { font-weight: 600; color: var(--ink); }
.v-sub { color: var(--ink-mute); font-size: .78rem; }

/* score cell shading */
.cell-score { font-family: var(--font-mono); }
.cell-score[data-band="hi"]  { color: var(--mint); }
.cell-score[data-band="mid"] { color: var(--ink-dim); }
.cell-score[data-band="lo"]  { color: var(--red); }

.pill {
  display: inline-block; padding: 2px 9px; border-radius: 99px;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
  border: 1px solid var(--line-2);
}
.pill.top { color: var(--mint); border-color: rgba(92,224,184,.4); background: rgba(92,224,184,.08); }
.pill.mid { color: var(--ink-dim); }
.pill.weak { color: var(--amber); border-color: rgba(230,176,107,.35); }

.weighted { font-family: var(--font-mono); font-weight: 600; }

.scope-controls {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px; flex-wrap: wrap;
}
.scope-controls input {
  flex: 1 1 220px; max-width: 320px;
  padding: 10px 14px; border-radius: 10px;
  border: 1px solid var(--line-2); background: var(--navy-1); color: var(--ink);
  font: inherit; font-size: .9rem;
}
.scope-controls input::placeholder { color: var(--ink-mute); }
.scope-controls input:focus { outline: none; border-color: var(--mint); }
.scope-count { font-family: var(--font-mono); font-size: .78rem; color: var(--ink-mute); }

.fine { margin: 14px 0 0; font-size: .82rem; color: var(--ink-mute); }
.fine .link-btn { font-size: inherit; }

/* ---------- CALCULATOR ---------- */
.calc {
  background: linear-gradient(180deg, var(--navy-1), var(--navy-2));
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: clamp(20px, 4vw, 32px);
}
.calc-inputs {
  display: grid; gap: 16px; margin-bottom: 24px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.calc-inputs label {
  display: flex; flex-direction: column; gap: 7px;
  font-size: .8rem; font-weight: 600; color: var(--ink-dim);
}
.calc-inputs input {
  padding: 11px 13px; border-radius: 10px;
  border: 1px solid var(--line-2); background: var(--navy-0); color: var(--ink);
  font-family: var(--font-mono); font-size: 1rem;
}
.calc-inputs input:focus { outline: none; border-color: var(--mint); }
.calc .table-scroll { background: var(--navy-0); }
.calc .grid thead th { background: var(--navy-1); }
.calc .sticky-col { background: var(--navy-0); }
.calc .grid thead th.sticky-col { background: var(--navy-1); }
.calc .grid tbody tr { cursor: default; }
.calc .grid tbody tr:hover { background: var(--navy-3); }
.calc .grid tbody tr:hover .sticky-col { background: var(--navy-3); }
.calc-total { color: var(--mint); font-weight: 600; }
.calc-best td { background: rgba(92,224,184,.06); }

/* ---------- FOOTER ---------- */
.ftr {
  max-width: var(--maxw); margin: 0 auto;
  padding: 40px var(--pad-x) 64px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center;
  color: var(--ink-mute); font-size: .82rem;
}
.ftr-brand { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-dim); font-weight: 600; text-decoration: none; }
.ftr-brand:hover { color: var(--ink); }
.ftr-brand svg { vertical-align: middle; }
.ftr-link { color: var(--mint-dim); text-decoration: none; }
.ftr-link:hover { color: var(--mint); }

/* ---------- MODAL (exact spec pattern) ---------- */
.modal {
  border: none;
  background: #111a2e;
  color: #e9eefb;
  border-radius: 18px;
  width: min(94vw, 640px);
  max-height: 86vh;
  overflow: auto;
  padding: clamp(24px, 5vw, 34px);
  position: relative;
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
}
.modal::backdrop {
  background: rgba(6,12,22,.64);
  backdrop-filter: blur(3px);
}
.modal-x {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: none; border: 1px solid #22304f; border-radius: 9px;
  color: inherit; cursor: pointer;
}
.modal-x:hover { border-color: var(--mint); color: var(--mint); }

/* modal internals */
.m-head { margin-bottom: 18px; padding-right: 40px; }
.m-eyebrow { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute); }
.m-head h3 {
  margin: 8px 0 6px; font-family: var(--font-serif); font-weight: 600;
  font-size: 1.5rem; letter-spacing: -.01em;
}
.m-tagline { margin: 0; color: var(--ink-dim); font-size: .98rem; }
.m-meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 16px 0 22px;
  padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.m-meta .mm { display: flex; flex-direction: column; gap: 2px; }
.m-meta .mm .l { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mute); }
.m-meta .mm .vv { font-size: .92rem; color: var(--ink); }
.m-meta .mm .vv.mint { color: var(--mint); font-weight: 600; }

.m-block { margin: 18px 0; }
.m-block h4 {
  margin: 0 0 10px; font-size: .76rem; font-family: var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase; color: var(--mint);
}
.m-block p { margin: 0 0 8px; color: var(--ink-dim); font-size: .92rem; }
.m-note { color: var(--ink-dim); font-size: .9rem; }

.m-crit { display: grid; gap: 10px; }
.m-crit-row {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.m-crit-row:last-child { border-bottom: none; }
.m-crit-name { font-weight: 600; font-size: .9rem; }
.m-crit-w { font-family: var(--font-mono); font-size: .72rem; color: var(--ink-mute); }
.m-crit-score { font-family: var(--font-mono); font-weight: 600; justify-self: end; }
.m-crit-score.hi { color: var(--mint); }
.m-crit-score.mid { color: var(--ink-dim); }
.m-crit-score.lo { color: var(--red); }
.m-crit-why { grid-column: 1 / -1; color: var(--ink-mute); font-size: .82rem; line-height: 1.5; }

.m-bar {
  height: 5px; border-radius: 99px; background: var(--line);
  grid-column: 1 / -1; overflow: hidden; margin-top: 2px;
}
.m-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--mint)); }

.m-links { display: flex; flex-direction: column; gap: 6px; }
.m-links a { color: var(--blue); font-size: .85rem; word-break: break-all; }
.m-links a:hover { color: var(--mint); }

.m-table { width: 100%; border-collapse: collapse; font-size: .86rem; margin-top: 6px; }
.m-table th, .m-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.m-table th { font-size: .72rem; letter-spacing: .04em; color: var(--ink-mute); text-transform: uppercase; }
.m-table td.num { text-align: right; font-family: var(--font-mono); }

@media (max-width: 480px) {
  .hero h1 { max-width: none; }
}