:root {
  --navy: #1a1a1a;
  --ink: #1a1a1a;
  --mute: #4a4a4a;
  --dim: #6b6b6b;
  --paper: #ffffff;
  --wash: #ffffff;
  --line: #e6e6e6;
  --line-2: #cccccc;
  --fam: #4fb888;
  --hex: #db9a52;
  --cy5: #b85a72;
  --cta: #b85a72;
  --cta-2: #9a455c;
  --link: #b85a72;
  --cta-grad: linear-gradient(90deg, #4fb888 0%, #db9a52 50%, #b85a72 100%);
  --cta-grad-deep: linear-gradient(90deg, #3ea074 0%, #c8863f 50%, #9a455c 100%);
  --ok: #1f8a5b;
  --white: #ffffff;
  --sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --max: 1240px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }

::selection { background: #eee6e4; color: #1a1a1a; }

.skip {
  position: absolute;
  left: -999px; top: 0;
}
.skip:focus {
  left: 1rem; top: 1rem; z-index: 200;
  background: var(--cta); color: #fff; padding: 0.5rem 0.8rem;
}

/* ---------- Illumina main header ---------- */
.mast {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 var(--pad);
  min-height: 76px;
  background: #ffffff;
  border-bottom: 1px solid #e6e6e6;
}
.mast.is-scrolled {
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 32, 91, 0.06);
}
.brand { flex-shrink: 0; }
.brand img {
  display: block;
  height: 56px;
  width: auto;
}
.search {
  display: flex;
  align-items: center;
  width: min(220px, 22vw);
  margin-right: 0.5rem;
}
.search input {
  width: 100%;
  border: 1px solid #d8d8d8;
  background: #f7f7f7;
  padding: 0.5rem 0.85rem 0.5rem 2.1rem;
  font-size: 14px;
  color: #1a1a1a;
  border-radius: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23666' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0.7rem 50%;
}
.search input::placeholder { color: #888; }
.search input:focus {
  border-color: var(--link);
  background-color: #fff;
  box-shadow: none;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex: 1;
}
.nav a {
  font-size: 16px;
  font-weight: 500;
  color: #1a1a1a;
  padding: 1.4rem 0;
  border-bottom: 3px solid transparent;
}
.nav a:hover,
.nav a.is-active {
  color: var(--cta);
  border-bottom-color: var(--cta);
}
.mast-end {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}
.mast-end .util-link {
  font-size: 16px;
  font-weight: 500;
  color: #1a1a1a;
}
.mast-end .util-link:hover { color: var(--link); }
.burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid #ccc;
  background: #fff;
  cursor: pointer;
  position: relative;
}
.burger span,
.burger::before,
.burger::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: #1a1a1a;
}
.burger span { top: 19px; }
.burger::before { top: 13px; }
.burger::after { top: 25px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 0.7rem 1.25rem;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-amber, .btn-primary {
  background-image: var(--cta-grad);
  background-color: #b85a72;
  color: #fff;
  border-color: transparent;
}
.btn-amber:hover, .btn-primary:hover {
  background: var(--cta-grad-deep);
}
.btn-ghost {
  background: #fff;
  color: var(--navy);
  border-color: #bbb;
}
.btn-ghost:hover { border-color: var(--navy); }
.btn-cyan {
  background: #fff;
  color: var(--link);
  border-color: var(--link);
}
.btn-on-dark {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn-on-dark:hover { background: rgba(255,255,255,0.12); }

/* ---------- heroes ---------- */
.hero-bleed {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-bleed > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bleed::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20,16,12,0.72) 0%, rgba(20,16,12,0.32) 55%, rgba(20,16,12,0.08) 100%);
}
.hero-bleed-copy {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - var(--pad) * 2));
  margin: 0 auto;
  max-width: 620px;
  margin-left: var(--pad);
  padding: 8.5rem 0 4.5rem;
}
.hero-bleed-copy h1 {
  color: #fff;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.hero-bleed-copy p {
  margin-top: 1.1rem;
  color: #e8eef5;
  font-size: 1.15rem;
  max-width: 34rem;
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 0.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-hero {
  padding: 7.4rem var(--pad) 2.6rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--navy);
  max-width: 18ch;
  letter-spacing: -0.02em;
}
.page-hero .lede { max-width: 40rem; }
.page-hero.center {
  text-align: center;
}
.page-hero.center .kicker {
  justify-content: center;
}
.page-hero.center h1 {
  max-width: 16ch;
  margin-inline: auto;
}
.page-hero.center .lede {
  max-width: 40rem;
  margin-inline: auto;
}

.story {
  text-align: center;
}
.story .kicker { justify-content: center; }
.story-intro {
  max-width: 40rem;
  margin: 0 auto 2.2rem;
}
.story-intro h2,
.story-intro .display {
  max-width: none;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}
.story-intro p {
  margin-left: auto;
  margin-right: auto;
}
.story .hero-actions {
  justify-content: center;
}
.story .quote {
  margin-inline: auto;
}

.hero, .hero-copy { /* leftover inner pages */ }
.hero {
  padding: 3rem var(--pad);
  background: #fff;
}

/* ---------- type ---------- */
.kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
  color: var(--cta);
}
h1, .display {
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
}
h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.2;
}
.lede {
  margin-top: 1rem;
  max-width: 40rem;
  color: var(--mute);
  font-size: 1.1rem;
}
.text-link {
  display: inline-block;
  margin-top: 1.1rem;
  color: var(--link);
  font-weight: 600;
}
.text-link:hover { text-decoration: underline; }

/* ---------- layout ---------- */
.wrap { width: min(var(--max), calc(100% - var(--pad) * 2)); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.section-tight { padding: 3.5rem 0; }
.section-head {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  margin-bottom: 2.2rem;
  align-items: end;
}
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); }
.section-head p { color: var(--mute); max-width: 36rem; }
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: start;
}
.split.reverse { grid-template-columns: 0.95fr 1.05fr; }
.split.reverse .copy { order: 2; }

.mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.mission h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.photo { margin: 0; }
.photo img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }

.glass,
.glass-pane,
.card.glass,
.compare article.glass {
  background: rgba(246, 247, 249, 0.78);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border: 1px solid rgba(220, 224, 230, 0.9);
  box-shadow: 0 10px 40px rgba(15, 35, 70, 0.05);
}

.glass-window {
  background: rgba(244, 246, 248, 0.72);
  backdrop-filter: blur(22px) saturate(1.1);
  -webkit-backdrop-filter: blur(22px) saturate(1.1);
  border: 1px solid rgba(220, 224, 230, 0.95);
  border-radius: 22px;
  padding: 1.4rem;
  box-shadow: 0 18px 50px rgba(20, 40, 70, 0.05);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.instrument-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.product {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(220, 224, 230, 0.95);
  border-radius: 16px;
  overflow: hidden;
  min-height: 100%;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(20, 40, 70, 0.1);
}
.product img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.product div { padding: 1.1rem 1.15rem 1.35rem; }

.product h3 { font-size: 1.15rem; font-weight: 600; color: var(--navy); margin: 0.4rem 0 0.35rem; }
.product p { color: var(--mute); font-size: 0.95rem; }

.band-glass {
  background: #fff;
}

.impact {
  padding: 5rem 0;
  background: #fff;
}
.impact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 1rem;
}
.impact-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 260px;
  padding: 1.5rem;
  border-radius: 18px;
  background: rgba(246, 247, 249, 0.8);
  backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
  border: 1px solid rgba(220, 224, 230, 0.95);
  box-shadow: 0 12px 40px rgba(20, 40, 70, 0.08);
  transition: transform 0.2s, background 0.2s;
}
.impact-card:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.5);
}
.impact-card-wide {
  background: rgba(241, 244, 247, 0.88);
}
.impact-card h3 {
  font-size: 1.35rem;
  font-weight: 650;
  color: var(--navy);
  margin: 0.55rem 0 0.4rem;
}
.impact-card p { color: var(--mute); }

.spotlight {
  background: #fff;
  padding: 4.5rem 0;
}
.spotlight-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}
.spotlight h2 { margin: 0.35rem 0 1rem; }
.spotlight p { color: var(--mute); margin-bottom: 1.3rem; }
.glass-pane { padding: 1.8rem; border-radius: 20px; }

.cta-row {
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: 2rem;
  align-items: end;
}

.hero-meta {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 52rem;
}
.stat {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1rem;
}
.stat b { display: block; font-weight: 700; color: var(--navy); }
.stat span { font-size: 0.85rem; color: var(--mute); }

.rail {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: var(--navy);
  color: #c5d2e6;
  font-size: 0.88rem;
}
.rail b { color: #fff; }

.manifesto { background: var(--wash); }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.compare article {
  padding: 1.5rem;
  border-radius: 16px;
}
.compare h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
  color: var(--navy);
}
.compare ul { margin: 0; padding: 0; list-style: none; }
.compare li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.97rem;
}
.compare article:first-child { color: var(--mute); }
.compare article:last-child h3 { color: var(--navy); }

.cards-3, .cards-4 { display: grid; gap: 1.25rem; }
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  padding: 1.5rem;
  border-radius: 16px;
}
.card .idx,
.product .idx {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cta);
}
.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0.65rem 0 0.45rem;
}
.card p { color: var(--mute); }

.assay-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.assay {
  border: 1px solid var(--line);
  background: #fff;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
}
.assay .tag {
  align-self: start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--cta);
  padding: 0.25rem 0.5rem;
}
.assay h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin: 1rem 0 0.45rem;
}
.assay p { color: var(--mute); flex: 1; }
.assay .meta { margin-top: 1rem; color: var(--link); font-weight: 600; font-size: 0.9rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td {
  text-align: left;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mute);
  background: #fff;
  font-weight: 700;
}
tr:last-child td { border-bottom: 0; }
td strong { font-weight: 650; color: var(--navy); }

.filters { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.4rem; }
.chip {
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--mute);
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
.chip.is-on, .chip:hover {
  color: #fff;
  background: var(--cta);
  border-color: var(--cta);
}

form { display: grid; gap: 1rem; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label {
  display: grid;
  gap: 0.35rem;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mute);
}
input, select, textarea {
  background: #fff;
  border: 1px solid var(--line-2);
  padding: 0.8rem 0.85rem;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--link); }
.search input,
.search input:focus {
  width: 100%;
  border: 1px solid #d8d8d8;
  background-color: #f7f7f7;
  padding: 0.5rem 0.85rem 0.5rem 2.1rem;
  font-size: 14px;
  border-radius: 20px;
  box-shadow: none;
}
textarea { min-height: 140px; resize: vertical; }
.note { font-size: 0.86rem; color: var(--dim); }
.form-ok {
  display: none;
  border: 1px solid rgba(31,138,91,0.35);
  background: rgba(31,138,91,0.06);
  padding: 1rem;
  color: var(--ok);
}
.form-ok.is-on { display: block; }

footer {
  padding: 3.2rem var(--pad) 1.6rem;
  background: #111;
  color: #d0d0d0;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  width: min(var(--max), 100%);
  margin: 0 auto;
}
.foot-brand strong { color: #fff; font-size: 1rem; }
.foot-brand p { color: #9a9a9a; margin-top: 0.8rem; max-width: 26rem; }
.foot-logo {
  height: 72px;
  width: auto;
  margin-bottom: 0.8rem;
  background: transparent;
}
footer h4 {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 0.75rem;
}
footer a { display: block; color: #d0d0d0; padding: 0.2rem 0; }
footer a:hover { color: #fff; text-decoration: underline; }
.legal {
  width: min(var(--max), calc(100% - 0px));
  margin: 2.2rem auto 0;
  padding-top: 1.1rem;
  border-top: 1px solid #333;
  font-size: 12px;
  color: #888;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.muted { color: var(--mute); }
.serif, .mono { font-family: var(--sans); }
.mt { margin-top: 1.2rem; }
.mt-2 { margin-top: 2rem; }
.mb { margin-bottom: 1rem; }
.small { font-size: 0.9rem; }
.badge-row { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.1rem; }
.badge {
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--line-2);
  padding: 0.28rem 0.55rem;
  color: var(--navy);
  background: #fff;
}
.timeline { display: grid; }
.step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.2rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}
.step b { font-size: 13px; font-weight: 700; color: var(--link); }
.quote {
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  line-height: 1.3;
  font-weight: 600;
  color: var(--navy);
}
.dark-band { background: var(--wash); }
.panel { background: #fff; border: 1px solid var(--line); padding: 1.5rem; }

@media (max-width: 980px) {
  .mast { flex-wrap: wrap; min-height: 68px; }
  .search { width: 42%; order: 2; margin: 0.35rem 0 0; }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    order: 3;
    border-top: 1px solid var(--line);
    padding: 0.4rem 0 0.8rem;
  }
  .mast.is-menu-open .nav { display: flex; }
  .nav a { padding: 0.7rem 0; border: 0; }
  .burger { display: block; }
  .hero-bleed { min-height: 100svh; }
  .hero-bleed-copy { margin-left: var(--pad); }
  .hero-meta, .cards-2, .cards-3, .cards-4, .assay-rail, .section-head,
  .split, .split.reverse, .compare, .mission, .product-grid,
  .spotlight-grid, .impact-grid, .instrument-grid, .cta-row, .foot-grid, .row-2 { grid-template-columns: 1fr; }
  .split.reverse .copy { order: 0; }
}

@media (max-width: 640px) {
  .hero-meta { grid-template-columns: 1fr 1fr; }
  .legal { flex-direction: column; }
  .brand img { height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}