:root {
  --paper: #f7f2e9;
  --paper-soft: #fffdf8;
  --ink: #171921;
  --muted: #64656d;
  --blue: #173fcc;
  --blue-deep: #0b1d68;
  --blue-soft: #e6ebff;
  --coral: #ef745d;
  --coral-soft: #ffd7cc;
  --line: rgba(23, 25, 33, 0.14);
  --white: #ffffff;
  --max: 1220px;
  --radius: 26px;
  --shadow: 0 28px 80px rgba(30, 36, 61, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

.shell {
  width: min(calc(100% - 42px), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 15px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.notice-bar {
  padding: 9px 20px;
  color: #fff8ef;
  background: var(--blue-deep);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(247, 242, 233, 0.92);
  backdrop-filter: blur(14px);
  transition: box-shadow 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 12px 34px rgba(23, 25, 33, 0.07);
}

.header-row {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-orbit {
  position: relative;
  display: grid;
  width: 47px;
  height: 47px;
  border: 1px solid var(--blue);
  border-radius: 50%;
  place-items: center;
}

.brand-orbit::before,
.brand-orbit::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.brand-orbit::before {
  width: 13px;
  height: 13px;
  background: var(--coral);
}

.brand-orbit::after {
  top: -2px;
  right: 7px;
  width: 7px;
  height: 7px;
  background: var(--blue);
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-copy small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 27px;
}

.main-nav a {
  position: relative;
  color: #32343a;
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.main-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--coral);
  transform: scaleX(0);
  transition: transform 170ms ease;
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.main-nav .nav-cta {
  padding: 11px 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 730px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(247, 242, 233, 0.99) 0%, rgba(247, 242, 233, 0.92) 38%, rgba(247, 242, 233, 0.12) 68%),
    url("hero-nadh.jpg") center / cover no-repeat;
}

.hero::before {
  position: absolute;
  top: 80px;
  left: -180px;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(23, 63, 204, 0.15);
  border-radius: 50%;
  content: "";
  box-shadow:
    0 0 0 64px rgba(23, 63, 204, 0.035),
    0 0 0 128px rgba(23, 63, 204, 0.02);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 730px;
  padding: 92px 0;
  align-content: center;
  grid-template-columns: minmax(0, 660px) 1fr;
}

.kicker {
  display: inline-flex;
  margin: 0 0 24px;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-size: 0.71rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kicker::before {
  width: 24px;
  height: 8px;
  border: 2px solid var(--coral);
  border-radius: 999px;
  content: "";
}

.hero h1,
.page-hero h1 {
  max-width: 850px;
  margin: 0;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.5rem, 7vw, 7.25rem);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.91;
}

.hero h1 em,
.page-hero h1 em {
  color: var(--coral);
  font-weight: 400;
}

.hero-lead {
  max-width: 610px;
  margin: 30px 0 0;
  color: #41434a;
  font-size: clamp(1rem, 1.45vw, 1.22rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 34px;
  gap: 11px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 13px 21px;
  border: 1px solid var(--blue);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--white);
  background: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.065em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.button::after {
  content: "→";
  font-size: 1rem;
}

.button:hover {
  color: var(--blue);
  background: transparent;
  transform: translateY(-2px);
}

.button.secondary {
  border-color: rgba(23, 25, 33, 0.24);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}

.button.secondary:hover {
  border-color: var(--ink);
  color: var(--white);
  background: var(--ink);
}

.hero-note {
  position: absolute;
  right: 22px;
  bottom: 24px;
  z-index: 3;
  max-width: 350px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 18px;
  color: var(--white);
  background: rgba(11, 29, 104, 0.76);
  backdrop-filter: blur(10px);
  font-size: 0.77rem;
}

.mini-strip {
  position: relative;
  z-index: 3;
  margin-top: -1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.mini-item {
  min-height: 112px;
  padding: 25px;
  border-left: 1px solid var(--line);
}

.mini-item:last-child {
  border-right: 1px solid var(--line);
}

.mini-item strong {
  display: block;
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  font-weight: 400;
}

.mini-item span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.74rem;
}

.section {
  position: relative;
  padding: 116px 0;
}

.section.compact {
  padding: 82px 0;
}

.section.white {
  background: var(--paper-soft);
}

.section.blue {
  overflow: hidden;
  color: var(--white);
  background: var(--blue-deep);
}

.section.blue::before {
  position: absolute;
  top: -240px;
  right: -180px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 90px rgba(255, 255, 255, 0.025);
}

.section.coral {
  background: var(--coral-soft);
}

.section-head {
  display: grid;
  margin-bottom: 48px;
  align-items: end;
  gap: 36px;
  grid-template-columns: 1fr minmax(300px, 0.58fr);
}

.section-head h2,
.content-title {
  max-width: 850px;
  margin: 0;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 5.3vw, 5.3rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.section.blue .section-head h2,
.section.blue .content-title {
  color: var(--white);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.section.blue .section-head p {
  color: #c8d2ff;
}

.science-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
}

.science-card {
  position: relative;
  min-height: 350px;
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  box-shadow: 0 12px 32px rgba(23, 25, 33, 0.04);
}

.science-card.primary {
  color: var(--white);
  background: var(--blue);
}

.science-card::after {
  position: absolute;
  right: -45px;
  bottom: -65px;
  width: 190px;
  height: 190px;
  border: 24px solid rgba(23, 63, 204, 0.055);
  border-radius: 50%;
  content: "";
}

.science-card.primary::after {
  border-color: rgba(255, 255, 255, 0.1);
}

.card-code {
  color: var(--coral);
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.science-card.primary .card-code {
  color: #ffb19e;
}

.science-card h3 {
  position: relative;
  z-index: 1;
  margin: 135px 0 14px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.science-card.primary h3 {
  color: var(--white);
}

.science-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.science-card.primary p {
  color: #d9dfff;
}

.editorial-split {
  display: grid;
  gap: clamp(40px, 8vw, 110px);
  align-items: center;
  grid-template-columns: 0.85fr 1.15fr;
}

.orbit-visual {
  position: relative;
  min-height: 500px;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(23, 63, 204, 0.23);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit.one {
  width: 390px;
  height: 390px;
}

.orbit.two {
  width: 265px;
  height: 265px;
}

.orbit.three {
  display: grid;
  width: 142px;
  height: 142px;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.orbit-dot {
  position: absolute;
  width: 38px;
  height: 38px;
  border: 7px solid var(--paper);
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 7px 18px rgba(23, 25, 33, 0.15);
}

.orbit-dot.a {
  top: 14%;
  left: 26%;
}

.orbit-dot.b {
  right: 10%;
  bottom: 27%;
  width: 25px;
  height: 25px;
  background: var(--blue);
}

.orbit-caption {
  position: absolute;
  bottom: 26px;
  left: 50%;
  width: min(90%, 360px);
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
  transform: translateX(-50%);
}

.editorial-copy h2 {
  margin: 0 0 25px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.editorial-copy p {
  color: var(--muted);
}

.check-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  align-items: flex-start;
  gap: 13px;
}

.check-list li::before {
  display: grid;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  content: "✓";
  font-size: 0.72rem;
  font-weight: 900;
}

.collection-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.product-card {
  display: flex;
  min-height: 420px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  justify-content: space-between;
  color: var(--white);
  background: rgba(255, 255, 255, 0.055);
  flex-direction: column;
  transition: transform 180ms ease, background 180ms ease;
}

.product-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
}

.product-card .pill {
  align-self: flex-start;
  padding: 6px 11px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #dfe5ff;
  font-size: 0.63rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 0 0 15px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.product-card p {
  margin: 0;
  color: #c8d2ff;
  font-size: 0.91rem;
}

.product-card a {
  margin-top: 24px;
  color: #ffae9b;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.product-card a::after {
  margin-left: 8px;
  content: "→";
}

.warning-card {
  display: grid;
  padding: 34px;
  border: 1px solid rgba(23, 25, 33, 0.16);
  border-radius: var(--radius);
  align-items: center;
  gap: 28px;
  background: var(--paper-soft);
  grid-template-columns: auto 1fr;
}

.warning-icon {
  display: grid;
  width: 74px;
  height: 74px;
  border: 1px solid var(--coral);
  border-radius: 50%;
  place-items: center;
  color: var(--coral);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
}

.warning-card h2 {
  margin: 0 0 7px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 400;
}

.warning-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.reference-grid {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  grid-template-columns: repeat(3, 1fr);
}

.reference-grid a {
  min-height: 155px;
  padding: 26px;
  border-right: 1px solid var(--line);
  color: var(--blue-deep);
  background: var(--paper-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  text-decoration: none;
  transition: color 170ms ease, background 170ms ease;
}

.reference-grid a:last-child {
  border-right: 0;
}

.reference-grid a::before {
  display: block;
  margin-bottom: 26px;
  color: var(--coral);
  content: "Source ↗";
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reference-grid a:hover {
  color: var(--white);
  background: var(--blue);
}

.network {
  color: var(--white);
  background: var(--coral);
}

.network .kicker {
  color: var(--blue-deep);
}

.network .kicker::before {
  border-color: var(--blue-deep);
}

.network-head {
  display: grid;
  margin-bottom: 42px;
  align-items: end;
  gap: 34px;
  grid-template-columns: 1fr 0.6fr;
}

.network-head h2 {
  max-width: 850px;
  margin: 0;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 5vw, 5.3rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.network-head p {
  margin: 0;
  color: #5d251c;
}

.network-grid {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(11, 29, 104, 0.25);
  border-radius: var(--radius);
  grid-template-columns: repeat(3, 1fr);
}

.network-grid a {
  display: flex;
  min-height: 124px;
  padding: 24px;
  border-right: 1px solid rgba(11, 29, 104, 0.25);
  border-bottom: 1px solid rgba(11, 29, 104, 0.25);
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 170ms ease;
}

.network-grid a:nth-child(3n) {
  border-right: 0;
}

.network-grid a::after {
  content: "↗";
  font-size: 1.1rem;
}

.network-grid a:hover {
  background: rgba(255, 255, 255, 0.42);
}

.page-hero {
  position: relative;
  min-height: 530px;
  padding: 110px 0 92px;
  overflow: hidden;
  background:
    radial-gradient(circle at 83% 22%, rgba(239, 116, 93, 0.22), transparent 25%),
    linear-gradient(135deg, #eff2ff, var(--paper));
}

.page-hero::after {
  position: absolute;
  right: -100px;
  bottom: -230px;
  width: 550px;
  height: 550px;
  border: 1px solid rgba(23, 63, 204, 0.17);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 72px rgba(23, 63, 204, 0.03);
}

.breadcrumb {
  display: flex;
  margin-bottom: 34px;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}

.page-hero .hero-lead {
  max-width: 760px;
}

.text-layout {
  display: grid;
  gap: clamp(46px, 8vw, 110px);
  align-items: start;
  grid-template-columns: 0.66fr 1.34fr;
}

.side-index {
  position: sticky;
  top: 125px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
}

.side-index strong {
  display: block;
  margin-bottom: 17px;
  color: var(--blue);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.side-index a {
  display: block;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.side-index a:hover {
  color: var(--blue);
}

.article-body {
  max-width: 790px;
}

.article-body section {
  padding: 0 0 58px;
  scroll-margin-top: 130px;
}

.article-body section + section {
  padding-top: 58px;
  border-top: 1px solid var(--line);
}

.article-body h2 {
  margin: 0 0 22px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1;
}

.article-body h3 {
  margin: 30px 0 12px;
  color: var(--blue);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-body p {
  color: #51535a;
}

.article-body .lead {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1.45;
}

.fact-box {
  margin: 30px 0;
  padding: 28px;
  border-left: 4px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--blue-deep);
  background: var(--blue-soft);
}

.fact-box strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.69rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.fact-box p {
  margin: 0;
  color: var(--blue-deep);
}

.criterion-grid {
  display: grid;
  gap: 17px;
  grid-template-columns: repeat(2, 1fr);
}

.criterion {
  min-height: 270px;
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
}

.criterion small {
  color: var(--coral);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.criterion h2,
.criterion h3 {
  margin: 78px 0 12px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.65rem;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-transform: none;
}

.criterion p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.faq-item h3 {
  margin: 0 0 11px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: -0.025em;
  text-transform: none;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

.contact-layout {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  grid-template-columns: 1fr 1fr;
}

.contact-panel {
  padding: clamp(36px, 6vw, 70px);
  background: var(--paper-soft);
}

.contact-panel.blue-panel {
  color: var(--white);
  background: var(--blue);
}

.contact-panel h2 {
  margin: 0 0 28px;
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 4vw, 4.1rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.contact-panel.blue-panel h2 {
  color: var(--white);
}

.contact-line {
  padding: 19px 0;
  border-top: 1px solid var(--line);
}

.blue-panel .contact-line {
  border-color: rgba(255, 255, 255, 0.2);
}

.contact-line small {
  display: block;
  margin-bottom: 6px;
  color: var(--coral);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-line a {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  text-decoration: none;
}

.contact-line address,
.contact-line p {
  margin: 0;
  font-style: normal;
}

.blue-panel .contact-line p,
.blue-panel .contact-line address {
  color: #dbe1ff;
}

.legal {
  margin-top: 58px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.legal h2 {
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  font-weight: 400;
}

.legal h3 {
  margin-top: 30px;
  color: var(--blue);
  font-size: 0.69rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.legal p {
  max-width: 880px;
  color: var(--muted);
}

.cta {
  padding: 83px 0;
  background: var(--blue);
  color: var(--white);
}

.cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-row h2 {
  max-width: 780px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 4.8vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.94;
}

.cta-row .button {
  flex: 0 0 auto;
  border-color: var(--white);
  color: var(--blue);
  background: var(--white);
}

.cta-row .button:hover {
  color: var(--white);
  background: transparent;
}

.site-footer {
  padding: 64px 0 25px;
  color: #c8d0f4;
  background: #081348;
}

.footer-grid {
  display: grid;
  padding-bottom: 50px;
  gap: 46px;
  grid-template-columns: 1.2fr repeat(2, 0.6fr);
}

.site-footer .brand-copy strong {
  color: var(--white);
}

.site-footer .brand-copy small {
  color: #aeb8e3;
}

.site-footer .brand-orbit {
  border-color: #9fb1ff;
}

.footer-brand p {
  max-width: 430px;
  color: #aeb8e3;
}

.footer-nav h2 {
  margin: 0 0 18px;
  color: #ffad9b;
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-nav a,
.footer-nav span {
  display: block;
  margin: 9px 0;
  color: #d9def6;
  font-size: 0.86rem;
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  justify-content: space-between;
  gap: 20px;
  color: #8f9acb;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 580ms ease, transform 580ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 84px;
    right: 21px;
    left: 21px;
    display: none;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 22px;
    align-items: stretch;
    background: var(--paper-soft);
    box-shadow: var(--shadow);
    flex-direction: column;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 7px 0;
  }

  .hero {
    background:
      linear-gradient(90deg, rgba(247, 242, 233, 0.97), rgba(247, 242, 233, 0.48)),
      url("hero-nadh.jpg") 58% center / cover no-repeat;
  }

  .mini-grid,
  .science-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .science-card.primary {
    grid-column: 1 / -1;
  }

  .section-head,
  .network-head,
  .editorial-split,
  .text-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .side-index {
    position: static;
  }

  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card:last-child {
    grid-column: 1 / -1;
  }

  .reference-grid,
  .network-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reference-grid a:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(calc(100% - 28px), var(--max));
  }

  .notice-bar {
    font-size: 0.63rem;
  }

  .header-row {
    min-height: 72px;
  }

  .main-nav {
    top: 72px;
    right: 14px;
    left: 14px;
  }

  .brand-copy small {
    display: none;
  }

  .hero,
  .hero-layout {
    min-height: 650px;
  }

  .hero {
    background:
      linear-gradient(90deg, rgba(247, 242, 233, 0.98), rgba(247, 242, 233, 0.73)),
      url("hero-nadh.jpg") 61% center / cover no-repeat;
  }

  .hero-layout {
    padding: 70px 0 130px;
    align-content: start;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(3.25rem, 16vw, 5.4rem);
  }

  .hero-note {
    right: 14px;
    bottom: 14px;
    left: 14px;
    max-width: none;
  }

  .mini-grid,
  .science-grid,
  .collection-grid,
  .reference-grid,
  .network-grid,
  .criterion-grid {
    grid-template-columns: 1fr;
  }

  .mini-item {
    min-height: 92px;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .science-card.primary,
  .product-card:last-child {
    grid-column: auto;
  }

  .section {
    padding: 82px 0;
  }

  .orbit-visual {
    min-height: 390px;
  }

  .orbit.one {
    width: 310px;
    height: 310px;
  }

  .orbit.two {
    width: 215px;
    height: 215px;
  }

  .network-grid a:nth-child(3n),
  .reference-grid a:nth-child(2) {
    border-right: 1px solid rgba(11, 29, 104, 0.25);
  }

  .warning-card {
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: 490px;
    padding: 80px 0 70px;
  }

  .cta-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

.source-margin {
  padding: 30px 0 10px;
  background: var(--paper);
}

.source-margin__note {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: clamp(26px, 5vw, 68px);
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid rgba(23,63,204,.16);
  border-left: 5px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(110deg, var(--blue-soft), rgba(255,255,255,.9));
}

.source-margin__note > span {
  color: var(--blue-deep);
  font: 800 11px/1.5 Arial, sans-serif;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.source-margin p {
  margin: 0;
  color: var(--ink);
  font: 500 clamp(15px, 1.35vw, 18px)/1.82 Arial, sans-serif;
}

.source-margin a {
  color: var(--blue-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(23,63,204,.3);
}

.source-margin a:hover,
.source-margin a:focus-visible {
  color: var(--blue);
  border-color: var(--coral);
}

@media (max-width: 760px) {
  .source-margin__note {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 25px 22px;
  }
}