/* ==========================================================================
   NineMinds Labs — site styles
   Bright, product-led. One accent (teal) on warm white, ink-black type,
   coral reserved for data. Single committed light theme.
   Chart hues validated with the six-checks validator against #ffffff:
     categorical  #19a794 / #e0603f  — band, chroma, CVD dE 11.8, normal dE 26.9, contrast: all PASS
     sequential   #4fbaac #22a094 #0d8478 #095e56 — monotone, dL, 2.35:1 light end, 1deg hue: all PASS
   ========================================================================== */

:root {
  /* surfaces */
  --paper: #ffffff;
  --warm: #f6f4f0;
  --warm-2: #efece6;
  --ink-block: #0d1518;

  /* ink */
  --ink: #0d1518;
  --ink-2: #3d4b4f;
  --ink-3: #6b7a7e;
  --hair: #e3e0d9;
  --hair-2: #d3cfc6;

  /* accent */
  --teal: #0d8478;
  --teal-2: #19a794;
  --teal-wash: #eaf6f4;
  --coral: #e0603f;
  --coral-wash: #fdf0eb;

  /* chart */
  --c-1: #19a794;
  --c-2: #e0603f;
  --seq-1: #4fbaac;
  --seq-2: #22a094;
  --seq-3: #0d8478;
  --seq-4: #095e56;

  /* type */
  --disp: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --gut: clamp(20px, 5vw, 60px);
  --maxw: 1240px;
  --r: 18px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: #0a6f65; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 5px; }
::selection { background: #bfeae3; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); position: relative; }
.section { padding-block: clamp(64px, 9vw, 118px); }
.section--warm { background: var(--warm); }
.section--tight { padding-block: clamp(44px, 6vw, 76px); }

.skip { position: absolute; left: -9999px; background: var(--ink); color: #fff; padding: 12px 18px; z-index: 100; }
.skip:focus { left: 0; }

/* --- type ----------------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--disp); font-weight: 500; letter-spacing: -0.035em; line-height: 1.02; margin: 0; text-wrap: balance; }
.h-hero { font-size: clamp(2.6rem, 5.6vw, 4.7rem); line-height: 0.98; letter-spacing: -0.042em; text-wrap: nowrap; }
@media (max-width: 620px) { .h-hero { text-wrap: balance; font-size: clamp(2.3rem, 9vw, 3rem); } }
.h-1 { font-size: clamp(2.15rem, 4.6vw, 3.6rem); }
.h-2 { font-size: clamp(1.45rem, 2.5vw, 2rem); letter-spacing: -0.028em; }
.h-3 { font-size: clamp(1.06rem, 1.5vw, 1.22rem); letter-spacing: -0.02em; }

.lede { font-size: clamp(1.06rem, 1.6vw, 1.3rem); line-height: 1.55; color: var(--ink-2); max-width: 58ch; text-wrap: pretty; }
p { margin: 0 0 1.05em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }
.muted { color: var(--ink-3); }
.mid { color: var(--ink-2); }
.accent { color: var(--teal); }

.eyebrow {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--teal);
  margin: 0 0 20px; display: block;
}
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.section-head { max-width: 66ch; margin-bottom: clamp(34px, 4.5vw, 56px); }
.section-head p { margin-top: 18px; }

/* --- nav ------------------------------------------------------------------ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .3s var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--hair); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--disp); font-weight: 600; font-size: 1.06rem; letter-spacing: -0.03em; margin-right: auto; }
.brand:hover { color: var(--ink); }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { color: var(--ink-2); font-size: 0.9rem; font-weight: 500; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a.btn--primary, .nav__links a.btn--primary:hover { color: #fff; }
@media (max-width: 800px) { .nav__links a:not(.btn) { display: none; } }

/* --- buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px;
  border: 1px solid var(--hair-2); background: var(--paper); color: var(--ink);
  font-size: 0.93rem; font-weight: 550; white-space: nowrap;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { color: var(--ink); border-color: var(--ink); transform: translateY(-1px); }
.btn--primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--primary:hover { background: #06393c; border-color: #06393c; color: #fff; box-shadow: 0 10px 26px rgba(13,132,120,0.22); }
.btn--ghost { background: transparent; border-color: transparent; padding-inline: 6px; }
.btn--ghost:hover { border-color: transparent; color: var(--teal); }
.btn__arrow { transition: transform .2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* --- hero ----------------------------------------------------------------- */
.hero { padding-block: clamp(52px, 7vw, 96px) clamp(40px, 5vw, 64px); position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  width: 900px; height: 900px; right: -320px; top: -420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(25,167,148,0.13), transparent 62%);
}
.hero__grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(30px, 4.5vw, 64px); align-items: center; position: relative; z-index: 1; }
@media (max-width: 940px) { .hero__grid { grid-template-columns: 1fr; } }
.hero h1 em { font-style: normal; color: var(--teal); }
.hero .lede { margin-top: 26px; }
.hero .btn-row { margin-top: 34px; }

.pill {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--hair-2); border-radius: 999px;
  padding: 7px 15px 7px 9px; font-size: 0.82rem; color: var(--ink-2); margin-bottom: 26px;
  background: var(--paper);
}
.pill b { color: var(--ink); font-weight: 600; }
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--teal-2); flex: none; margin-left: 5px; }

/* the hero "device" */
.device {
  border-radius: var(--r); overflow: hidden; background: var(--ink-block);
  border: 1px solid var(--hair); box-shadow: 0 26px 70px -28px rgba(13,21,24,0.45), 0 2px 8px rgba(13,21,24,0.06);
  position: relative;
}
.device__bar { display: flex; align-items: center; gap: 8px; padding: 11px 14px; background: #12212a; border-bottom: 1px solid #1d3038; }
.device__dot { width: 9px; height: 9px; border-radius: 50%; background: #2c454f; flex: none; }
.device__label { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; color: #7f9aa1; text-transform: uppercase; margin-left: 6px; }
.device__live { margin-left: auto; font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.14em; color: #4fd6c4; display: flex; align-items: center; gap: 6px; }
.device__live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #4fd6c4; }
.device video, .device img { width: 100%; display: block; }
.device__foot { padding: 12px 15px; background: #12212a; border-top: 1px solid #1d3038; font-family: var(--mono); font-size: 0.66rem; color: #7f9aa1; line-height: 1.6; }

/* --- logo / proof strip --------------------------------------------------- */
.proof { border-block: 1px solid var(--hair); background: var(--paper); }
.proof__row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 40px; padding-block: 22px; }
.proof__k { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-right: 8px; }
.proof__i { font-family: var(--disp); font-weight: 500; font-size: 0.98rem; color: var(--ink); letter-spacing: -0.02em; }
.proof__i span { color: var(--ink-3); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; display: block; font-weight: 400; }

/* --- stat row ------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2.4vw, 34px); }
@media (max-width: 780px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat__v { font-family: var(--disp); font-size: clamp(2.1rem, 4vw, 3.1rem); letter-spacing: -0.045em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat__k { font-size: 0.88rem; color: var(--ink-3); margin-top: 12px; line-height: 1.45; }

/* --- generic cards -------------------------------------------------------- */
.grid { display: grid; gap: clamp(16px, 1.8vw, 24px); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 660px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card { background: var(--paper); border: 1px solid var(--hair); border-radius: var(--r); padding: clamp(22px, 2.4vw, 30px); }
.card--warm { background: var(--warm); border-color: transparent; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 0.96rem; margin: 0; }
.card__n { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--teal); margin-bottom: 14px; }

/* --- MODEL CARDS (the centrepiece) --------------------------------------- */
.models { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(18px, 2vw, 26px); }
.models > .model:first-child { grid-column: 1 / -1; }
@media (max-width: 860px) { .models { grid-template-columns: 1fr; } }

.model {
  border: 1px solid var(--hair); border-radius: var(--r); background: var(--paper);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease), border-color .3s var(--ease);
}
.model:hover { transform: translateY(-3px); border-color: var(--hair-2); box-shadow: 0 22px 48px -26px rgba(13,21,24,0.35); }
.model--wide { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: stretch; }
@media (max-width: 860px) { .model--wide { grid-template-columns: 1fr; } }

.model__media { position: relative; background: var(--ink-block); overflow: hidden; min-height: 210px; }
.model:not(.model--wide) .model__media { aspect-ratio: 16 / 10; }
.model:not(.model--wide) .model__media > img { position: absolute; inset: 0; }
.model__media img { width: 100%; height: 100%; object-fit: cover; }
.model__body { padding: clamp(22px, 2.4vw, 32px); display: flex; flex-direction: column; gap: 14px; }
.model__kicker { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--teal); }
.model__name { font-family: var(--disp); font-size: clamp(1.3rem, 2vw, 1.7rem); letter-spacing: -0.03em; }
.model__desc { color: var(--ink-2); font-size: 0.97rem; margin: 0; }
.model__specs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 6px; }
.spec {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.03em;
  border: 1px solid var(--hair-2); border-radius: 7px; padding: 5px 9px; color: var(--ink-2); background: var(--warm);
}
.spec b { color: var(--ink); font-weight: 600; }
.model__metric { display: flex; align-items: baseline; gap: 12px; padding-top: 4px; }
.model__metric b { font-family: var(--disp); font-size: clamp(1.9rem, 3vw, 2.5rem); letter-spacing: -0.045em; line-height: 1; color: var(--ink); font-weight: 500; }
.model__metric span { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); line-height: 1.4; }

/* live-output overlays drawn on the stills */
.ov { position: absolute; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em; }
.ov--chip {
  background: rgba(8,22,26,0.82); color: #eaf2f0; border: 1px solid rgba(79,214,196,0.45);
  border-radius: 8px; padding: 7px 11px; backdrop-filter: blur(6px); line-height: 1.5;
}
.ov--chip b { color: #4fd6c4; }
.ov--tl { top: 12px; left: 12px; }
.ov--bl { bottom: 12px; left: 12px; right: 12px; }
.ov--tr { top: 12px; right: 12px; }
.ov__bars { display: grid; gap: 5px; margin-top: 7px; }
.ov__bar { display: grid; grid-template-columns: 92px 1fr 34px; gap: 8px; align-items: center; font-size: 0.62rem; }
.ov__track { height: 5px; border-radius: 3px; background: rgba(255,255,255,0.16); overflow: hidden; }
.ov__fill { height: 100%; border-radius: 3px; background: #4fd6c4; }

.split-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; height: 100%; }
.split-pair figure { margin: 0; position: relative; }
.split-pair img { height: 100%; width: 100%; object-fit: cover; }

/* --- pipeline ------------------------------------------------------------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
@media (max-width: 900px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .flow { grid-template-columns: 1fr; } }
.flow__step { border: 1px solid var(--hair); border-radius: 14px; padding: 20px; background: var(--paper); position: relative; }
.flow__i { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.14em; color: var(--teal); }
.flow__t { font-family: var(--disp); font-size: 1.02rem; letter-spacing: -0.02em; margin: 12px 0 7px; }
.flow__d { font-size: 0.86rem; color: var(--ink-3); margin: 0; }
.flow__bar { height: 4px; border-radius: 3px; background: var(--teal-2); margin-top: 16px; }

/* --- charts --------------------------------------------------------------- */
.chart { background: var(--paper); border: 1px solid var(--hair); border-radius: var(--r); padding: clamp(20px, 2.2vw, 28px); }
.chart__title { font-family: var(--disp); font-size: 1.08rem; letter-spacing: -0.025em; margin: 0 0 6px; }
.chart__sub { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-3); line-height: 1.6; letter-spacing: 0.02em; }
.chart__head { margin-bottom: 18px; }
.chart svg { width: 100%; height: auto; overflow: visible; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; font-size: 0.8rem; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.gridline { stroke: var(--hair); stroke-width: 1; }
.chart__table { margin-top: 14px; border-top: 1px solid var(--hair); padding-top: 12px; }
.chart__table summary { font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); cursor: pointer; list-style: none; }
.chart__table summary::-webkit-details-marker { display: none; }
.chart__table summary::before { content: "▸ "; color: var(--teal); }
.chart__table[open] summary::before { content: "▾ "; }

.tip {
  position: fixed; z-index: 60; pointer-events: none;
  background: var(--ink); color: #fff; border-radius: 9px; padding: 9px 12px;
  font-size: 0.78rem; line-height: 1.5; box-shadow: 0 14px 34px rgba(13,21,24,0.28);
  opacity: 0; transform: translateY(4px); transition: opacity .14s var(--ease), transform .14s var(--ease); max-width: 260px;
}
.tip.is-on { opacity: 1; transform: none; }
.tip b { font-family: var(--disp); font-weight: 500; display: block; margin-bottom: 2px; }
.tip .tip__v { font-family: var(--mono); color: #6fe0d1; }

/* --- tables --------------------------------------------------------------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--hair); border-radius: var(--r); background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 520px; }
thead th { text-align: left; font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.13em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; padding: 14px 16px; border-bottom: 1px solid var(--hair); white-space: nowrap; }
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--hair); color: var(--ink-2); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--warm); }
td strong { color: var(--ink); font-weight: 600; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); }
.t-hi { color: var(--teal) !important; font-weight: 600; }

/* --- dark band (used for the release / CTA) ------------------------------- */
.dark { background: var(--ink-block); color: #eaf2f0; }
.dark h2, .dark h3 { color: #fff; }
.dark .lede, .dark p { color: #9fb4b8; }
.dark .eyebrow { color: #4fd6c4; }
.dark .stat__v { color: #fff; }
.dark .stat__k { color: #8ea4a8; }
.dark .btn { background: transparent; border-color: #2a3d44; color: #eaf2f0; }
.dark .btn:hover { border-color: #4fd6c4; color: #fff; }
.dark .btn--primary { background: #4fd6c4; border-color: #4fd6c4; color: #06282c; }
.dark .btn--primary:hover { background: #7ce6d7; border-color: #7ce6d7; color: #06282c; }
.dark .card { background: #12212a; border-color: #1d3038; }
.dark .card p { color: #9fb4b8; }
.dark .tablewrap { border-color: #1d3038; background: #12212a; }
.dark thead th { border-color: #1d3038; color: #7f9aa1; }
.dark tbody td { border-color: #1a2c33; color: #9fb4b8; }
.dark tbody tr:hover td { background: #16262f; }
.dark td strong, .dark .num { color: #eaf2f0; }
.dark .t-hi { color: #4fd6c4 !important; }

/* --- publications --------------------------------------------------------- */
.pub { display: grid; grid-template-columns: 150px 1fr auto; gap: 22px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--hair); }
.pub:first-child { border-top: 1px solid var(--hair); }
.pub__venue { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); line-height: 1.6; }
.pub__t { font-family: var(--disp); font-size: 1.06rem; letter-spacing: -0.025em; line-height: 1.35; }
.pub__a { font-size: 0.86rem; color: var(--ink-3); margin-top: 5px; }
@media (max-width: 740px) { .pub { grid-template-columns: 1fr; gap: 7px; } }

/* --- team ----------------------------------------------------------------- */
.person__n { font-family: var(--disp); font-size: 1.06rem; letter-spacing: -0.025em; }
.person__r { font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-top: 6px; }
.person__o { font-size: 0.86rem; color: var(--ink-3); margin-top: 4px; }

/* --- footer --------------------------------------------------------------- */
.foot { border-top: 1px solid var(--hair); padding-block: 40px 48px; font-size: 0.86rem; color: var(--ink-3); }
.foot__grid { display: flex; flex-wrap: wrap; gap: 18px 40px; align-items: flex-start; }
.foot a { color: var(--ink-2); }
.foot a:hover { color: var(--teal); }
.foot__links { display: flex; flex-wrap: wrap; gap: 20px; margin-left: auto; }

/* --- tags, misc ----------------------------------------------------------- */
.tag { display: inline-block; font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); background: var(--teal-wash); border-radius: 999px; padding: 5px 11px; }
.tag--coral { color: #b8462a; background: var(--coral-wash); }
.tag--ink { color: var(--ink-2); background: var(--warm-2); }
.stack > * + * { margin-top: var(--s, 16px); }
.rule { height: 1px; background: var(--hair); border: 0; margin: 0; }
.rv { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } }