/* Layout concept: a dark optical bench. Deep-navy ground taken from the logo, one vertical
   "beam" motif, and instrument-style readouts (nm, W, ns) set in mono like a laser's control panel. */
:root {
  --abyss: #050b18;      /* page ground */
  --deep: #0a1630;       /* raised surfaces */
  --deeper: #07101f;
  --line: rgba(143, 196, 255, 0.14);
  --line-strong: rgba(143, 196, 255, 0.32);
  --frost: #e8f0fa;      /* primary text */
  --mist: #94a3bd;       /* secondary text */
  --ice: #8fc4ff;        /* accent, light */
  --beam: #2f7bff;       /* accent, saturated (logo blue) */
  --paper: #f2f5fa;      /* light panels for clinical photography */
  --ink: #0b1528;

  --f-display: "Jost", "Futura", "Century Gothic", "Avenir Next", sans-serif;
  --f-body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: Arial, "Helvetica Neue", Helvetica, sans-serif; /* Arial Bold for readouts and labels */

  --step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.86rem);
  --step-0: clamp(1rem, 0.97rem + 0.15vw, 1.08rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.4vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.3rem + 0.9vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 1.8vw, 3rem);
  --step-4: clamp(2.6rem, 1.9rem + 3.2vw, 4.6rem);

  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--abyss);
  color: var(--frost);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ice); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--frost); }
:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 400; line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: -0.005em; }
h1 { font-size: var(--step-4); font-weight: 300; }
h2 { font-size: var(--step-3); font-weight: 300; }
h3 { font-size: var(--step-1); font-weight: 500; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.measure { max-width: 64ch; }
.muted { color: var(--mist); }
.eyebrow {
  font-family: var(--f-display); font-size: var(--step--1); font-weight: 500;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--ice);
}
.mono { font-family: var(--f-mono); font-weight: 700; font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--frost); color: var(--ink); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in srgb, var(--abyss) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img.em { width: 34px; }
.brand img.wm { width: 118px; }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 8px 12px; border-radius: 8px; text-decoration: none;
  color: var(--mist); font-size: 0.94rem; letter-spacing: 0.01em;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--frost); }
.nav-links a[aria-current="page"] { box-shadow: inset 0 -1px 0 var(--ice); border-radius: 0; }
.nav-links .ext::after { content: " \2197"; font-size: 0.8em; color: var(--ice); }
.has-menu { position: relative; }
.has-menu > button {
  font: inherit; font-size: 0.94rem; color: var(--mist); background: none; border: 0; cursor: pointer;
  padding: 8px 12px; display: flex; align-items: center; gap: 6px;
}
.has-menu > button:hover, .has-menu > button[aria-expanded="true"] { color: var(--frost); }
.has-menu > button::after { content: ""; width: 6px; height: 6px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 270px; padding: 8px;
  background: var(--deep); border: 1px solid var(--line-strong); border-radius: 12px;
  list-style: none; margin: 0; box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.menu a { display: grid; gap: 2px; padding: 10px 12px; color: var(--frost); }
.menu a small { color: var(--mist); font-family: var(--f-mono); font-weight: 700; font-size: 0.74rem; }
.menu a:hover { background: rgba(143,196,255,0.08); }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 22px; border-radius: 999px;
  font-family: var(--f-display); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.82rem;
  text-decoration: none; border: 1px solid var(--line-strong); color: var(--frost); background: transparent; cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.btn:hover { border-color: var(--ice); color: var(--frost); background: rgba(143,196,255,0.06); }
.btn.solid { background: var(--frost); color: var(--ink); border-color: var(--frost); }
.btn.solid:hover { background: var(--ice); border-color: var(--ice); color: var(--ink); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }
.nav-cta { padding: 9px 18px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-strong); color: var(--frost); border-radius: 8px; padding: 8px 10px; font: inherit; font-size: 0.85rem; cursor: pointer; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .nav-panel { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--abyss); border-bottom: 1px solid var(--line); padding: 12px var(--gutter) 24px; }
  .nav-panel.open { display: block; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a, .has-menu > button { padding: 14px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-links a[aria-current="page"] { box-shadow: none; color: var(--ice); }
  .has-menu > button { display: none; }
  .menu { position: static; display: block !important; background: none; border: 0; box-shadow: none; padding: 0; min-width: 0; }
  .menu a { padding: 14px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-cta { margin-top: 16px; }
}

/* ---------- sections ---------- */
.section { padding-block: clamp(64px, 9vw, 120px); }
.section.tight { padding-block: clamp(48px, 6vw, 80px); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 16px; margin-bottom: clamp(32px, 5vw, 56px); max-width: 760px; }
.section-head p { color: var(--mist); font-size: var(--step-1); line-height: 1.5; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: clamp(32px, 5vw, 72px); align-items: center; }
.split > * { min-width: 0; }

/* the beam: a thin vertical light used as the signature motif */
.beam { position: relative; }
.beam::before {
  content: ""; position: absolute; left: 50%; top: 0; width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, var(--ice) 35%, var(--beam) 70%, transparent);
  opacity: 0.55; pointer-events: none;
}

/* ---------- hero (home) ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(56px, 8vw, 110px) clamp(56px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(24px, 4vw, 64px); align-items: center; }
.hero-grid > * { min-width: 0; }
.hero h1 { margin-block: 18px 22px; }
.hero h1 em { font-style: normal; color: var(--ice); }
.hero .lede { font-size: var(--step-1); color: var(--mist); max-width: 52ch; line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-mark { position: relative; display: grid; place-items: center; }
.hero-mark img { width: min(100%, 420px); position: relative; z-index: 1; filter: drop-shadow(0 0 60px rgba(47,123,255,0.35)); }
.hero-mark::before {
  content: ""; position: absolute; inset: -20% 10%; z-index: 0;
  background: radial-gradient(closest-side, rgba(47,123,255,0.28), transparent 70%);
}
.hero-mark .shaft {
  position: absolute; left: 50%; top: -200px; bottom: 50%; width: 2px; transform: translateX(-50%);
  background: linear-gradient(to bottom, transparent, rgba(143,196,255,0.9));
  filter: blur(0.4px); z-index: 0; animation: pulse 4.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: .45 } 50% { opacity: 1 } }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { order: -1; }
  .hero-mark img { width: min(62%, 260px); }
}

/* ---------- spectrum (portfolio) ---------- */
.spectrum { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 3vw, 32px); background: linear-gradient(180deg, var(--deeper), var(--abyss)); }
.spectrum-scroll { overflow-x: auto; }
.spectrum svg { width: 100%; min-width: 640px; height: auto; display: block; }
.spectrum text { font-family: var(--f-mono); font-weight: 700; fill: var(--mist); font-size: 11px; }
.spectrum .lbl { fill: var(--frost); font-family: var(--f-display); font-weight: 500; font-size: 14px; letter-spacing: 0.04em; }
.spectrum .band { fill: var(--mist); font-size: 10px; letter-spacing: 0.2em; }
.spectrum-note { margin-top: 14px; font-size: var(--step--1); color: var(--mist); }

/* ---------- platform cards ---------- */
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.platform {
  position: relative; display: grid; grid-template-rows: 300px auto 1fr auto; gap: 16px;
  padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--deeper);
  text-decoration: none; color: inherit; transition: border-color .25s, transform .25s;
}
.platform:hover { border-color: var(--line-strong); transform: translateY(-3px); color: inherit; }
.platform .shot { display: grid; place-items: center; overflow: hidden; border-radius: 10px; background: radial-gradient(circle at 50% 80%, rgba(47,123,255,0.18), transparent 65%); }
.platform .shot img { max-height: 290px; width: auto; object-fit: contain; }
.platform .shot.photo img { max-height: 300px; }
.platform h3 { font-size: var(--step-2); font-weight: 400; }
.platform .wl { font-family: var(--f-mono); font-weight: 700; color: var(--ice); font-size: 0.85rem; letter-spacing: 0.04em; }
.platform p { color: var(--mist); font-size: 0.97rem; }
.platform .go { font-family: var(--f-display); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; color: var(--frost); display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 14px; }
.platform .go span:last-child { color: var(--ice); }
@media (max-width: 960px) { .platforms { grid-template-columns: 1fr; } .platform { grid-template-rows: 260px auto auto auto; } }

/* ---------- facts / reasons ---------- */
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.reason { padding: 28px 24px 8px 0; display: grid; gap: 10px; align-content: start; }
.reason + .reason { padding-left: 24px; border-left: 1px solid var(--line); }
.reason h3 { font-size: 1.15rem; }
.reason p { color: var(--mist); font-size: 0.97rem; }
.reason .k { font-family: var(--f-mono); font-weight: 700; font-size: 0.78rem; color: var(--ice); letter-spacing: 0.06em; }
@media (max-width: 960px) {
  .reasons { grid-template-columns: 1fr 1fr; }
  .reason:nth-child(3) { border-left: 0; padding-left: 0; }
  .reason:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 560px) {
  .reasons { grid-template-columns: 1fr; }
  .reason + .reason { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
}

/* readouts: instrument-panel style specs */
.readouts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.readout { padding: 20px 22px; display: grid; gap: 4px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -1px -1px 0; }
.readout .v { font-family: var(--f-mono); font-weight: 700; font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.9rem); color: var(--frost); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; white-space: nowrap; }
.readout .v small { font-size: 0.55em; color: var(--ice); margin-left: 4px; letter-spacing: 0; }
.readout .l { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mist); font-family: var(--f-display); }

/* track record */
.record { display: grid; grid-template-columns: auto 1fr; gap: clamp(24px, 5vw, 72px); align-items: end; }
.record > * { min-width: 0; }
.big-figure { font-family: var(--f-display); font-weight: 300; font-size: clamp(4rem, 2.5rem + 7vw, 8.5rem); line-height: 0.9; letter-spacing: -0.03em; color: var(--frost); }
.big-figure span { color: var(--ice); }
.launch-line { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid var(--line); margin-top: 28px; }
.launch-line li { list-style: none; padding: 14px 18px 0 0; margin-right: 18px; display: grid; gap: 2px; }
.launch-line .y { font-family: var(--f-mono); font-weight: 700; font-size: 0.78rem; color: var(--ice); }
.launch-line .n { font-size: 0.98rem; }
.launch-line { padding: 0; margin-bottom: 0; }
@media (max-width: 700px) { .record { grid-template-columns: 1fr; } }

/* research teaser band */
.band-research { background: radial-gradient(ellipse at 80% 50%, rgba(47,123,255,0.16), transparent 60%), var(--deeper); }
.band-research .split { align-items: center; }
.qb-shot { display: grid; place-items: center; background: #ffffff; border-radius: calc(var(--radius) + 6px); padding: clamp(20px, 4vw, 40px); max-width: 460px; justify-self: center; width: 100%; }
.qb-shot img { max-height: 420px; width: auto; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 10px 24px; }
.ticks li { display: flex; gap: 12px; align-items: baseline; color: var(--frost); }
.ticks li::before { content: ""; flex: none; width: 14px; height: 1px; background: var(--ice); transform: translateY(-4px); }
.tag-investigational { display: inline-block; font-family: var(--f-mono); font-weight: 700; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ice); border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 10px; }

/* CTA */
.cta { text-align: left; }
.cta-box { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; border: 1px solid var(--line-strong); border-radius: calc(var(--radius) + 6px); padding: clamp(28px, 5vw, 56px); background: linear-gradient(120deg, rgba(47,123,255,0.14), transparent 55%), var(--deeper); }
.cta-box > * { min-width: 0; }
.cta-box p { color: var(--mist); margin-top: 12px; max-width: 56ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 760px) { .cta-box { grid-template-columns: 1fr; } }

/* ---------- product pages ---------- */
.p-hero { padding-block: clamp(40px, 6vw, 80px) clamp(40px, 6vw, 72px); position: relative; overflow: hidden; }
.p-hero-grid { display: grid; grid-template-columns: 1fr 0.8fr; gap: clamp(24px, 5vw, 64px); align-items: center; }
.p-hero-grid > * { min-width: 0; }
.p-hero h1 { margin-block: 14px 18px; }
.p-hero h1 sub { font-size: 0.5em; vertical-align: baseline; position: relative; top: 0.25em; }
.p-hero .lede { font-size: var(--step-1); color: var(--mist); max-width: 50ch; line-height: 1.5; }
.p-hero .badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.badge { font-family: var(--f-mono); font-weight: 700; font-size: 0.74rem; letter-spacing: 0.06em; border: 1px solid var(--line-strong); color: var(--frost); padding: 6px 12px; border-radius: 999px; }
.p-hero .visual { display: grid; place-items: center; position: relative; }
.p-hero .visual::before { content: ""; position: absolute; inset: 10% 0; background: radial-gradient(closest-side, rgba(47,123,255,0.25), transparent 70%); }
.p-hero .visual img { position: relative; max-height: 560px; width: auto; }
.p-hero .visual.photo img { border-radius: var(--radius); max-height: 560px; }
@media (max-width: 860px) {
  .p-hero-grid { grid-template-columns: 1fr; }
  .p-hero .visual img { max-height: 380px; }
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.feature { display: grid; grid-template-rows: auto auto 1fr; gap: 12px; border-top: 1px solid var(--line-strong); padding-top: 22px; }
.feature p { color: var(--mist); }
.feature .k { font-family: var(--f-mono); font-weight: 700; font-size: 0.78rem; color: var(--ice); }

.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mode { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--deeper); display: grid; gap: 12px; align-content: start; }
.mode .depth { height: 74px; border-radius: 8px; position: relative; overflow: hidden; background: linear-gradient(to bottom, #d9a28c 0 14%, #e7b9a2 14% 46%, #f0d6a6 46% 100%); }
.mode .depth i { position: absolute; top: 0; width: 6px; background: linear-gradient(to bottom, rgba(255,255,255,0.95), rgba(143,196,255,0.8)); border-radius: 0 0 3px 3px; }
.mode h3 { font-size: var(--step-1); }
.mode h3 small { display: block; font-family: var(--f-mono); font-weight: 700; color: var(--ice); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px; }
.mode p { color: var(--mist); font-size: 0.97rem; }
@media (max-width: 860px) { .modes { grid-template-columns: 1fr; } }

.figure-panel { border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.figure-panel img { width: 100%; }
.figure-panel.duo { height: clamp(300px, 40vw, 460px); }
.figure-panel.duo img { width: 100%; height: 100%; object-fit: cover; }
.figure-panel.duo.contain img { object-fit: contain; padding: 16px; }
.figure-panel.dark { background: var(--deep); border: 1px solid var(--line); }
.caption { font-size: var(--step--1); color: var(--mist); margin-top: 10px; }

.ifu { border: 1px solid var(--line-strong); border-radius: var(--radius); padding: clamp(22px, 3vw, 32px); display: grid; gap: 14px; background: var(--deeper); }
.ifu .eyebrow { font-size: 0.72rem; }
.ifu blockquote { margin: 0; font-size: var(--step-1); line-height: 1.5; color: var(--frost); }
.ifu .src { font-family: var(--f-mono); font-weight: 700; font-size: 0.74rem; color: var(--mist); }

.list-plain { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.list-plain li { padding-left: 22px; position: relative; }
.list-plain li::before { content: ""; position: absolute; left: 0; top: 0.75em; width: 12px; height: 1px; background: var(--ice); }

/* results gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.case { margin: 0; display: grid; grid-template-rows: auto 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--deeper); }
.case .img { aspect-ratio: 1 / 1; background: var(--ink); overflow: hidden; max-width: 100%; }
.case .img img { width: 100%; height: 100%; object-fit: contain; }
.case figcaption { padding: 16px 18px 18px; display: grid; gap: 6px; align-content: start; }
.case figcaption b { font-weight: 500; font-size: 1.02rem; }
.case figcaption span { font-family: var(--f-mono); font-weight: 700; font-size: 0.76rem; color: var(--mist); line-height: 1.55; }
.case .ba { display: flex; justify-content: space-between; font-family: var(--f-mono); font-weight: 700; font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ice); }
.gallery-note { margin-top: 18px; font-size: var(--step--1); color: var(--mist); }

/* comparison tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.compare { border-collapse: collapse; width: 100%; min-width: 760px; font-size: 0.92rem; }
.compare th, .compare td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { font-family: var(--f-display); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mist); background: var(--deeper); }
.compare tbody th { font-weight: 500; color: var(--frost); white-space: nowrap; }
.compare td { color: var(--mist); font-variant-numeric: tabular-nums; }
.compare .us { background: rgba(47,123,255,0.1); color: var(--frost); }
.compare thead .us { color: var(--ice); }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.yes { color: var(--ice) !important; }
.table-note { margin-top: 12px; font-size: var(--step--1); color: var(--mist); }

/* specs table */
.specs { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.specs div { display: grid; grid-template-columns: minmax(140px, 0.8fr) 1.2fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--mist); font-size: 0.92rem; }
.specs dd { margin: 0; font-family: var(--f-mono); font-weight: 700; font-size: 0.9rem; color: var(--frost); }

/* ---------- research ---------- */
.axis-card { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(18px, 3vw, 30px); background: var(--deeper); }
.axis-card svg { width: 100%; min-width: 620px; height: auto; display: block; }
.axis-card text { font-family: var(--f-mono); font-weight: 700; fill: var(--mist); font-size: 11px; }
.axis-card .t-hi { fill: var(--frost); font-family: var(--f-display); font-weight: 500; font-size: 14px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { border-top: 1px solid var(--line-strong); padding-top: 20px; display: grid; gap: 10px; align-content: start; }
.step .n { font-family: var(--f-mono); font-weight: 700; color: var(--ice); font-size: 0.8rem; }
.step p { color: var(--mist); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.problem { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.problem > div { padding: 26px; display: grid; gap: 10px; align-content: start; }
.problem > div + div { border-left: 1px solid var(--line); }
.problem .was { font-family: var(--f-mono); font-weight: 700; font-size: 0.78rem; color: var(--mist); text-decoration: line-through; text-decoration-color: rgba(148,163,189,0.6); }
.problem .now { font-family: var(--f-display); font-size: var(--step-1); color: var(--frost); }
.problem p { color: var(--mist); font-size: 0.95rem; }
@media (max-width: 760px) { .problem { grid-template-columns: 1fr; } .problem > div + div { border-left: 0; border-top: 1px solid var(--line); } }
.refs { font-size: 0.82rem; color: var(--mist); display: grid; gap: 8px; padding-left: 18px; margin: 0; }

/* ---------- team ---------- */
.people { display: grid; gap: 0; border-top: 1px solid var(--line); }
.person { display: grid; grid-template-columns: 220px 1fr; gap: clamp(20px, 4vw, 48px); padding-block: clamp(28px, 4vw, 44px); border-bottom: 1px solid var(--line); }
.person > * { min-width: 0; }
.person .ph { width: 220px; aspect-ratio: 4 / 5; border-radius: 12px; overflow: hidden; background: var(--deep); max-width: 100%; }
.person .ph img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; filter: grayscale(0.15); }
.person h3 { font-size: var(--step-2); font-weight: 400; }
.person .role { font-family: var(--f-display); text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem; color: var(--ice); margin-top: 6px; }
.person .stats { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 16px; }
.person ul { margin: 0; }
.person .li { margin-top: 16px; font-size: 0.9rem; }
@media (max-width: 680px) {
  .person { grid-template-columns: 1fr; }
  .person .ph { width: 160px; }
}
.launch-table { min-width: 560px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.contact-grid > * { min-width: 0; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.form { display: grid; gap: 18px; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 34px); background: var(--deeper); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-size: 0.82rem; letter-spacing: 0.06em; color: var(--mist); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--frost); background: var(--abyss); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 12px 14px; width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ice); box-shadow: 0 0 0 3px rgba(143,196,255,0.18); }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-strong); border-radius: 999px; padding: 8px 14px; cursor: pointer; font-size: 0.9rem; color: var(--frost); }
.checks input { accent-color: var(--beam); }
.form-status { font-size: 0.92rem; color: var(--ice); min-height: 1.4em; }
.contact-list { display: grid; gap: 22px; margin-top: 28px; }
.contact-list div { display: grid; gap: 4px; border-top: 1px solid var(--line); padding-top: 16px; }
.contact-list dt { font-family: var(--f-display); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mist); }
.contact-list dd { margin: 0; font-size: 1.05rem; }
.copy { font: inherit; font-size: 0.75rem; background: none; border: 1px solid var(--line-strong); color: var(--mist); border-radius: 999px; padding: 2px 10px; margin-left: 8px; cursor: pointer; }
.copy:hover { color: var(--frost); border-color: var(--ice); }

/* ---------- page head (inner pages) ---------- */
.page-head { padding-block: clamp(48px, 7vw, 96px) clamp(32px, 4vw, 56px); }
.page-head h1 { margin-top: 14px; }
.research-head { padding-block: clamp(24px, 3.5vw, 48px) clamp(16px, 2vw, 28px); }
.qb-shot.qb-small { max-width: 300px; padding: clamp(14px, 2vw, 22px); }
.qb-shot.qb-small img { max-height: 260px; }
.section.problem-section { padding-top: clamp(36px, 4vw, 56px); }
.page-head p { margin-top: 18px; font-size: var(--step-1); color: var(--mist); max-width: 60ch; line-height: 1.5; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 56px 40px; background: var(--deeper); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot-grid > * { min-width: 0; }
.foot-grid h4 { font-family: var(--f-display); font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--mist); font-weight: 500; margin-bottom: 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { color: var(--frost); text-decoration: none; font-size: 0.95rem; }
.foot-grid a:hover { color: var(--ice); }
.foot-brand img { width: 150px; }
.foot-brand p { color: var(--mist); font-size: 0.92rem; margin-top: 16px; max-width: 34ch; }
.legal { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); display: grid; gap: 10px; font-size: 0.8rem; color: var(--mist); line-height: 1.6; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
