/* ============================================================
   Mavis Technologies — investor briefing
   Dark-first identity. Light theme is the mirrored token set.
   ============================================================ */

:root {
  /* ---- dark palette (default identity) ---- */
  --ground:      #070C1E;
  --surface:     #0E1734;
  --raised:      #17224A;
  --line:        #253360;
  --line-soft:   #1A2547;
  --text:        #E9EDF9;
  --muted:       #93A0C6;
  --signal:      #4B8CFF;
  --signal-dim:  #2B5FC4;
  --pulse:       #5CE8C9;
  --warn:        #FFB454;
  --warn-bg:     #241A08;
  --shadow:      0 18px 48px -24px rgba(0,0,0,.85);

  /* constant across themes — the product plates */
  --plate:       #EEF1F7;
  --plate-ink:   #0A1230;
  --plate-mute:  #5A668C;

  /* type */
  --display: "Sora", "Trebuchet MS", sans-serif;
  --body: "Atkinson Hyperlegible", "Verdana", sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;

  /* scale */
  --s1: .78rem; --s2: .92rem; --s3: 1.02rem; --s4: 1.22rem;
  --s5: 1.6rem; --s6: 2.15rem; --s7: 3rem; --s8: 4.1rem;

  --shell: 1080px;
  --measure: 64ch;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ground:     #F4F6FB;
    --surface:    #FFFFFF;
    --raised:     #EDF1F9;
    --line:       #D3DBEC;
    --line-soft:  #E3E8F4;
    --text:       #0A1230;
    --muted:      #55618A;
    --signal:     #1B5BD8;
    --signal-dim: #4B8CFF;
    --pulse:      #0A7A66;
    --warn:       #8A5A00;
    --warn-bg:    #FFF6E6;
    --shadow:     0 18px 48px -28px rgba(10,18,48,.32);
  }
}

:root[data-theme="light"] {
  --ground:     #F4F6FB;
  --surface:    #FFFFFF;
  --raised:     #EDF1F9;
  --line:       #D3DBEC;
  --line-soft:  #E3E8F4;
  --text:       #0A1230;
  --muted:      #55618A;
  --signal:     #1B5BD8;
  --signal-dim: #4B8CFF;
  --pulse:      #0A7A66;
  --warn:       #8A5A00;
  --warn-bg:    #FFF6E6;
  --shadow:     0 18px 48px -28px rgba(10,18,48,.32);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--body);
  font-size: var(--s3);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.12;
  text-wrap: balance;
  margin: 0;
  letter-spacing: -.015em;
}

p { margin: 0; max-width: var(--measure); }
a { color: var(--signal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--pulse); }

:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--signal); color: #fff; padding: .7rem 1.1rem;
  font-family: var(--mono); font-size: var(--s2); z-index: 99;
}
.skip:focus { left: .5rem; top: .5rem; }

.shell {
  width: min(100% - 2.5rem, var(--shell));
  margin-inline: auto;
}

/* ---------- eyebrow / rules ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--s1);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.sec {
  border-top: 1px solid var(--line-soft);
  padding-block: clamp(3rem, 7vw, 5.5rem);
}
.sec-head {
  display: flex; flex-direction: column; gap: .9rem;
  margin-bottom: 2.6rem;
}
.sec-head h2 { font-size: clamp(1.7rem, 4vw, var(--s6)); }
.sec-head p { color: var(--muted); font-size: var(--s4); }

/* three-arc divider glyph, echoing the detection ranges */
.glyph { display: block; width: 30px; height: 20px; overflow: visible; }
.glyph path { fill: none; stroke-width: 1.5; stroke-linecap: round; }
.glyph path:nth-child(1) { stroke: var(--pulse); }
.glyph path:nth-child(2) { stroke: var(--signal); }
.glyph path:nth-child(3) { stroke: var(--muted); }

/* ---------- header ---------- */
header.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.top-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: .85rem;
}
.wordmark {
  font-family: var(--display); font-weight: 700; font-size: var(--s4);
  letter-spacing: -.02em; color: var(--text); text-decoration: none;
}
.wordmark span { color: var(--signal); }
.top nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.top nav a {
  font-family: var(--mono); font-size: var(--s1); letter-spacing: .06em;
  color: var(--muted); text-decoration: none; text-transform: uppercase;
}
.top nav a:hover { color: var(--text); }
@media (max-width: 860px) { .top nav { display: none; } }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(3.5rem, 9vw, 7rem) clamp(3rem, 7vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 {
  font-size: clamp(2.4rem, 6.2vw, var(--s8));
  font-weight: 700;
  letter-spacing: -.03em;
  margin-block: 1.4rem 1.2rem;
}
.hero h1 em { font-style: normal; color: var(--pulse); }
.lede { font-size: clamp(1.05rem, 2vw, var(--s4)); color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.chip {
  font-family: var(--mono); font-size: var(--s1);
  border: 1px solid var(--line); background: var(--surface);
  color: var(--text); padding: .42rem .7rem; border-radius: 999px;
  display: inline-flex; align-items: center; gap: .45rem;
}
.chip::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--pulse); flex: none;
}

.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 2.2rem; }
.btn {
  font-family: var(--display); font-weight: 600; font-size: var(--s3);
  padding: .8rem 1.3rem; border-radius: 6px; text-decoration: none;
  border: 1px solid transparent; display: inline-block;
}
.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: var(--pulse); color: #05210E; }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--signal); color: var(--text); }

/* detection-arc figure */
.radar { width: 100%; height: auto; display: block; }
.radar .arc { fill: none; stroke-linecap: round; }
.radar .lab { font-family: var(--mono); font-size: 11px; fill: var(--muted); letter-spacing: .1em; }
.radar .core { fill: var(--signal); }
@media (prefers-reduced-motion: no-preference) {
  .radar .a1 { animation: ping 4.2s ease-out infinite; }
  .radar .a2 { animation: ping 4.2s ease-out .55s infinite; }
  .radar .a3 { animation: ping 4.2s ease-out 1.1s infinite; }
  @keyframes ping {
    0%   { opacity: 0; }
    18%  { opacity: 1; }
    100% { opacity: .18; }
  }
}

/* ---------- generic grids ---------- */
.grid { display: grid; gap: 1.15rem; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: .6rem;
}
.card h3 { font-size: var(--s4); }
.card p { color: var(--muted); font-size: var(--s2); }

.stat { display: flex; flex-direction: column; gap: .3rem; }
.stat .n {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 2.7rem); letter-spacing: -.03em;
  font-variant-numeric: tabular-nums; color: var(--text);
}
.stat .k { font-size: var(--s2); color: var(--muted); }

/* ---------- feature list ---------- */
.feat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.15rem; }
@media (max-width: 760px) { .feat { grid-template-columns: 1fr; } }
.feat ul { margin: .4rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: var(--s2); }
.feat li { margin-bottom: .35rem; }
.feat li strong { color: var(--text); font-weight: 700; }

/* ---------- product plates ---------- */
.plate {
  background: var(--plate); color: var(--plate-ink);
  border-radius: 12px; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow);
}
.plate img { width: 100%; height: auto; display: block; }
.plate-body { padding: 1.2rem 1.3rem 1.4rem; display: flex; flex-direction: column; gap: .35rem; }
.plate-body h3 { font-size: var(--s4); color: var(--plate-ink); }
.plate-body .role { font-family: var(--mono); font-size: var(--s1); letter-spacing: .12em; text-transform: uppercase; color: var(--plate-mute); }
.plate-body p { font-size: var(--s2); color: var(--plate-mute); }

/* ---------- spec table ---------- */
.tablewrap { overflow-x: auto; margin-top: 1.6rem; }
table { border-collapse: collapse; width: 100%; min-width: 460px; font-size: var(--s2); }
th, td { text-align: left; padding: .72rem .8rem; border-bottom: 1px solid var(--line-soft); }
th { font-family: var(--mono); font-size: var(--s1); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 400; }
td { color: var(--text); }
td.k { color: var(--muted); width: 38%; }
tbody tr:last-child td { border-bottom: 0; }

@media (max-width: 620px) {
  table { min-width: 0; }
  .kv td, .kv td.k { display: block; width: auto; border-bottom: 0; padding: 0; }
  .kv td.k { font-family: var(--mono); font-size: var(--s1); letter-spacing: .1em; text-transform: uppercase; padding-top: .1rem; }
  .kv tr { display: block; padding: .8rem 0; border-bottom: 1px solid var(--line-soft); }
}

/* ---------- timeline ---------- */
.tl { display: flex; flex-direction: column; gap: 0; margin-top: .5rem; }
.tl-row {
  display: grid; grid-template-columns: 8.5rem 1fr; gap: 1.4rem;
  padding: 1.05rem 0; border-top: 1px solid var(--line-soft);
  align-items: baseline;
}
.tl-row:first-child { border-top: 0; }
.tl-when { font-family: var(--mono); font-size: var(--s1); letter-spacing: .08em; color: var(--pulse); text-transform: uppercase; }
.tl-what strong { display: block; font-family: var(--display); font-weight: 600; font-size: var(--s3); margin-bottom: .15rem; }
.tl-what span { color: var(--muted); font-size: var(--s2); }
@media (max-width: 620px) { .tl-row { grid-template-columns: 1fr; gap: .3rem; } }

/* ---------- the round (gated) ---------- */
.round { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(1.5rem, 4vw, 2.6rem); }
.gate { display: flex; flex-direction: column; gap: 1.2rem; }
.gate h3 { font-size: var(--s5); }
.gate p { color: var(--muted); font-size: var(--s2); }
.gate-opts { display: flex; flex-direction: column; gap: .6rem; margin-top: .3rem; }
.gate-opt {
  text-align: left; font-family: var(--body); font-size: var(--s2);
  background: var(--raised); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: .9rem 1.05rem; cursor: pointer; line-height: 1.5;
}
.gate-opt:hover { border-color: var(--signal); }
.gate-opt strong { display: block; font-family: var(--display); font-weight: 600; margin-bottom: .15rem; }
.gate-opt span { color: var(--muted); }

.notice {
  border: 1px solid var(--warn); background: var(--warn-bg); color: var(--warn);
  border-radius: 8px; padding: 1rem 1.1rem; font-size: var(--s2);
}
.notice p { color: inherit; max-width: none; }
.notice strong { font-family: var(--display); }

.terms { display: none; flex-direction: column; gap: 2rem; }
.terms.open { display: flex; }

.uof { display: flex; flex-direction: column; gap: 1.1rem; }
.uof-item { display: flex; flex-direction: column; gap: .45rem; }
.uof-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: var(--s2); }
.uof-val { font-family: var(--mono); font-size: var(--s2); color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.uof-track { height: 6px; background: var(--raised); border-radius: 3px; overflow: hidden; }
.uof-fill { height: 100%; background: var(--signal); border-radius: 3px; }


/* ---------- deck viewer ---------- */
.deck { display: flex; flex-direction: column; gap: 1rem; }
.deck-stage {
  background: var(--plate); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow); aspect-ratio: 16 / 9;
}
.deck-stage img { width: 100%; height: 100%; object-fit: contain; display: block; }
.deck-bar { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.deck-nav {
  font-family: var(--mono); font-size: var(--s2);
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line); border-radius: 6px;
  padding: .55rem .9rem; cursor: pointer; line-height: 1;
}
.deck-nav:hover:not(:disabled) { border-color: var(--signal); }
.deck-nav:disabled { opacity: .35; cursor: default; }
.deck-count {
  font-family: var(--mono); font-size: var(--s2); color: var(--muted);
  font-variant-numeric: tabular-nums; min-width: 5.5rem;
}
.deck-bar .btn { margin-left: auto; }
@media (max-width: 620px) { .deck-bar .btn { margin-left: 0; width: 100%; text-align: center; } }
.deck-rail {
  display: flex; gap: .5rem; overflow-x: auto; padding-bottom: .5rem;
  scrollbar-width: thin;
}
.deck-thumb {
  flex: none; width: 92px; aspect-ratio: 16 / 9; padding: 0;
  border: 1px solid var(--line); border-radius: 4px; overflow: hidden;
  background: var(--plate); cursor: pointer;
}
.deck-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.deck-thumb[aria-current="true"] { border-color: var(--pulse); box-shadow: 0 0 0 1px var(--pulse); }

/* ---------- team ---------- */
.person { display: flex; flex-direction: column; gap: .2rem; }
.person .nm { font-family: var(--display); font-weight: 600; font-size: var(--s3); }
.person .rl { font-family: var(--mono); font-size: var(--s1); letter-spacing: .08em; text-transform: uppercase; color: var(--pulse); }
.person p { font-size: var(--s2); color: var(--muted); margin-top: .3rem; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding-block: 3rem 4rem; }
footer .cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
@media (max-width: 760px) { footer .cols { grid-template-columns: 1fr; } }
footer h4 { font-family: var(--mono); font-size: var(--s1); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 400; margin-bottom: .7rem; }
footer p, footer li { font-size: var(--s2); color: var(--muted); }
footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .35rem; }
.riskbox { border: 1px solid var(--line); border-radius: 10px; padding: 1.4rem 1.5rem; }
.riskbox h4 { color: var(--warn); }
.riskbox p { max-width: none; margin-bottom: .7rem; }
.riskbox p:last-child { margin-bottom: 0; }
.colophon { margin-top: 2rem; font-family: var(--mono); font-size: var(--s1); color: var(--muted); }

/* ---------- data-room additions ---------- */
.top nav a.active { color: var(--text); border-bottom: 1px solid var(--pulse); padding-bottom: 2px; }
.top .actions { display: flex; gap: .6rem; align-items: center; }
.top .btn { padding: .6rem 1rem; font-size: var(--s2); }
@media (max-width: 620px) { .top .btn-ghost { display: none; } }

.page-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem); }
.page-hero h1 { font-size: clamp(2rem, 5vw, var(--s7)); margin-block: .9rem .9rem; letter-spacing: -.025em; }
.crumb { font-family: var(--mono); font-size: var(--s1); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); display: flex; gap: .6rem; flex-wrap: wrap; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--text); }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.15rem; }
@media (max-width: 900px) { .kpis { grid-template-columns: repeat(2, 1fr); } }

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
@media (max-width: 900px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .tiles { grid-template-columns: 1fr; } }
.tile {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 10px;
  padding: 1.5rem 1.4rem 1.4rem; display: flex; flex-direction: column; gap: .55rem;
  text-decoration: none; color: var(--text); position: relative; transition: border-color .15s, transform .15s;
}
.tile:hover { border-color: var(--signal); color: var(--text); transform: translateY(-2px); }
.tile .no { font-family: var(--mono); font-size: var(--s1); letter-spacing: .14em; color: var(--pulse); }
.tile h3 { font-size: var(--s4); }
.tile p { color: var(--muted); font-size: var(--s2); }
.tile .go { margin-top: auto; padding-top: .6rem; font-family: var(--mono); font-size: var(--s1); letter-spacing: .08em; text-transform: uppercase; color: var(--signal); }
.tile.locked .go::before { content: "\1F512\00a0"; }

.pager { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line-soft); padding-top: 1.6rem; margin-top: 3rem; }
.pager a { text-decoration: none; display: flex; flex-direction: column; gap: .2rem; max-width: 46%; }
.pager a span { font-family: var(--mono); font-size: var(--s1); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.pager a strong { font-family: var(--display); font-weight: 600; }
.pager a.next { text-align: right; margin-left: auto; }

.snapshot { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.15rem; align-items: stretch; }
@media (max-width: 860px) { .snapshot { grid-template-columns: 1fr; } }
.progress { height: 8px; background: var(--raised); border-radius: 4px; overflow: hidden; margin-top: .6rem; }
.progress > div { height: 100%; background: var(--pulse); border-radius: 4px; }

.doclist { display: flex; flex-direction: column; gap: .6rem; }
.doc { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; background: var(--surface); border: 1px solid var(--line-soft); border-radius: 8px; padding: .9rem 1.1rem; }
.doc strong { font-family: var(--display); font-weight: 600; font-size: var(--s3); display: block; }
.doc span { color: var(--muted); font-size: var(--s2); }
.doc-cat { font-family: var(--mono); font-size: var(--s1); letter-spacing: .12em; text-transform: uppercase; color: var(--pulse); margin: 1.6rem 0 .6rem; }
.doc-cat:first-child { margin-top: 0; }
.tile.locked { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 1.4rem; flex-wrap: wrap; border-style: dashed; }
.tile.locked h3 { flex: 1 1 14rem; }
.tile.locked p { flex: 2 1 22rem; }
.tile.locked .go { margin-top: 0; padding-top: 0; }

/* comparison / market tables */
table.cmp { width: 100%; border-collapse: collapse; font-size: var(--s2); }
table.cmp th, table.cmp td { padding: .7rem .8rem; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.cmp td:first-child, table.cmp th:first-child { white-space: normal; }
table.cmp thead th { font-family: var(--mono, ui-monospace, monospace); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
table.cmp th.hi, table.cmp td.hi { color: var(--pulse); font-weight: 700; }
table.cmp .yes { color: var(--pulse); } table.cmp .no { color: var(--muted); }
table.cmp tr.price td { font-weight: 700; border-bottom: 0; }
.tag { display:inline-block; margin-left:.4rem; padding:.1rem .5rem; border-radius:999px; font-family: var(--mono); font-size:.68rem; letter-spacing:.05em; text-transform:uppercase; color: var(--pulse); border:1px solid currentColor; vertical-align:middle; }