:root {
  --max-width: 1100px;
  --container: 1100px;
  --container-narrow: 760px;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-soft: #e8f2fb;

  --color-text: #1f2937;
  --color-heading: #1f3a5f;
  --color-muted: #667085;

  --color-link: #4a90d9;
  --color-accent: #2f5e88;

  --color-cta: #2e6f7e;
  --color-cta-hover: #255a66;

  --color-border: rgba(31, 58, 95, 0.12);
  --shadow-soft: 0 14px 38px rgba(31, 58, 95, 0.06);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-pill: 999px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  /* Original mini SSG aliases */
  --text: var(--color-text);
  --muted: var(--color-muted);
  --surface: var(--color-surface-soft);
  --border: var(--color-border);
  --accent: var(--color-accent);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  margin: 0 0 var(--space-3);
  color: var(--color-heading);
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h2 {
  margin-top: 2.25em;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 var(--space-4);
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.container-narrow {
  width: min(calc(100% - 32px), var(--container-narrow));
  margin-inline: auto;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.muted {
  color: var(--color-muted);
}

.surface {
  background: var(--color-surface);
}

.surface-soft {
  background: var(--color-surface-soft);
}

/* Header / navigation */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.94);
}

.header-inner,
.site-header-inner {
  width: min(calc(100% - 32px), var(--container));
  min-height: 72px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand .brand-logo {
  display: block;
  width: auto;
  height: 43px;
  object-fit: contain;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: auto;
  height: 40px;
}

.nav-list,
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a,
.site-nav a {
  color: var(--color-text);
  text-decoration: none;
}

.nav-list a:hover,
.site-nav a:hover {
  color: var(--color-accent);
}

/* Page */
.page {
  padding: var(--space-8) 0;
}

.page-header {
  max-width: 820px;
  margin-bottom: var(--space-7);
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.lead {
  color: var(--color-muted);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.prose {
  max-width: 820px;
}

.prose > :first-child {
  margin-top: 0;
}

/* Shared components */
.card {
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.90);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.card > :first-child,
.panel > :first-child,
.cta > :first-child {
  margin-top: 0;
}

.card > :last-child,
.panel > :last-child,
.cta > :last-child {
  margin-bottom: 0;
}

.panel {
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.25rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-cta);
  color: #ffffff;
  font: inherit;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.button:hover {
  background: var(--color-cta-hover);
  color: #ffffff;
  text-decoration: none;
}

.button:active {
  transform: translateY(1px);
}

.button:focus-visible {
  outline: 3px solid rgba(74, 144, 217, 0.30);
  outline-offset: 3px;
}

/* CTA */
.cta {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* Footer */
.site-footer {
  margin-top: var(--space-8);
  padding: var(--space-6) 0;
  background: var(--color-surface-soft);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
}

.site-footer-inner {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.social-links,
.footer-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .header-inner,
  .site-header-inner,
  .site-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-inner,
  .site-header-inner {
    padding: var(--space-4) 0;
  }

  .page {
    padding: 3rem 0;
  }

  .cta,
  .card,
  .panel {
    padding: var(--space-5);
  }
}

/* Page-specific visual structure restored from the legacy site. */
:root {
  --container: 1120px;
  --container-narrow: 820px;
  --section-space: clamp(4.5rem, 8vw, 7.5rem);
  --shadow-card: 0 20px 52px rgba(31, 58, 95, 0.075);
}

body {
  background:
    radial-gradient(circle at 8% 0%, rgba(205, 228, 246, 0.46), transparent 29rem),
    var(--color-bg);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  background: var(--color-heading);
  color: #fff;
  transform: translateY(-160%);
}

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

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgba(31, 58, 95, 0.08);
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 82px;
}

.brand {
  gap: 0.7rem;
  color: var(--color-heading);
  font-size: 1.24rem;
  letter-spacing: 0.045em;
}

.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  border: 5px solid var(--color-accent);
  border-top-color: rgba(74, 144, 217, 0.42);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px #fff;
}

.nav-list {
  gap: clamp(0.75rem, 2vw, 1.6rem);
}

.nav-list a {
  position: relative;
  padding: 0.45rem 0;
  color: #435064;
  font-size: 0.91rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.nav-list a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

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

.nav-list a[aria-current="page"] {
  color: var(--color-accent);
}

.js .markdown-source {
  display: none;
}

.landing-page {
  overflow: hidden;
}

.page-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(5rem, 10vw, 8.4rem) 0 clamp(4.8rem, 8vw, 7rem);
  background:
    radial-gradient(circle at 82% 18%, rgba(118, 177, 220, 0.22), transparent 23rem),
    linear-gradient(145deg, #e8f2fb 0%, #f5f9fc 48%, #ffffff 100%);
}

.page-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -8rem;
  bottom: -14rem;
  width: 36rem;
  height: 25rem;
  border: 1px solid rgba(47, 94, 136, 0.10);
  border-radius: 50%;
  transform: rotate(-9deg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(280px, 0.84fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.hero-narrow {
  width: min(calc(100% - 32px), 900px);
}

.hero-copy {
  max-width: 760px;
}

.hero-copy h1 {
  max-width: 18ch;
  margin-bottom: 1.7rem;
  font-size: clamp(2.45rem, 5vw, 4.7rem);
  letter-spacing: -0.035em;
  line-height: 1.14;
}

.about-page .hero-copy h1,
.research-page .hero-copy h1,
.product-page .hero-copy h1 {
  font-size: clamp(2.5rem, 4.8vw, 4.25rem);
}

.hero-copy p {
  max-width: 690px;
  color: #4d5b6f;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.95;
}

.hero-copy p strong {
  color: var(--color-heading);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.25rem;
  color: var(--color-accent) !important;
  font-size: 0.77rem !important;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.eyebrow::before {
  content: "";
  width: 2.25rem;
  height: 1px;
  background: currentColor;
}

.hero-copy > p > a,
.section-intro > p:last-child > a,
.subsection-card > p:last-child > a {
  display: inline-flex;
  align-items: center;
  margin-top: 0.55rem;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius-pill);
  background: var(--color-cta);
  color: #fff;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: 0 10px 24px rgba(46, 111, 126, 0.16);
}

.hero-copy > p > a:hover,
.section-intro > p:last-child > a:hover,
.subsection-card > p:last-child > a:hover {
  background: var(--color-cta-hover);
  text-decoration: none;
}

.hero-visual,
.assessment-panel,
.research-model {
  border: 1px solid rgba(31, 58, 95, 0.10);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}

.hero-visual {
  padding: clamp(1.4rem, 4vw, 2.5rem);
}

.hero-visual--image {
  overflow: hidden;
  padding: 1rem;
}

.core-vector-image {
  display: block;
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  border-radius: 20px;
}

.signal-map {
  position: relative;
  min-height: 330px;
}

.signal-core,
.signal-ring,
.signal-node {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.signal-core {
  z-index: 3;
  display: grid;
  width: 78px;
  height: 78px;
  place-items: center;
  background: linear-gradient(145deg, var(--color-accent), #4f92b2);
  color: #fff;
  font-size: 1.8rem;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(47, 94, 136, 0.22);
}

.signal-ring {
  border: 1px solid rgba(47, 94, 136, 0.20);
}

.signal-ring--one {
  width: 190px;
  height: 190px;
}

.signal-ring--two {
  width: 300px;
  height: 300px;
  border-style: dashed;
}

.signal-node {
  z-index: 4;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(47, 94, 136, 0.14);
  background: #fff;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 750;
  box-shadow: 0 9px 22px rgba(31, 58, 95, 0.10);
}

.signal-node--one { transform: translate(-172px, -124px); }
.signal-node--two { transform: translate(105px, -106px); }
.signal-node--three { transform: translate(-152px, 74px); }
.signal-node--four { transform: translate(91px, 78px); }

.visual-caption {
  margin: 0.6rem auto 0;
  color: var(--color-muted);
  font-size: 0.83rem;
  text-align: center;
}

.assessment-panel {
  padding: 1.8rem;
}

.panel-label {
  margin-bottom: 1.25rem;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.assessment-panel ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.assessment-panel li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-heading);
  font-weight: 700;
}

.assessment-panel li span {
  color: var(--color-link);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.research-model {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1.6rem;
}

.model-column {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: rgba(232, 242, 251, 0.72);
  color: var(--color-heading);
  text-align: center;
}

.model-column--accent {
  background: linear-gradient(145deg, rgba(47, 94, 136, 0.94), rgba(46, 111, 126, 0.9));
  color: #fff;
}

.model-column strong {
  margin: 0.6rem 0 0.2rem;
  font-size: clamp(1.3rem, 3vw, 2rem);
}

.model-column small,
.model-tag {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.model-arrow {
  color: var(--color-link);
  font-size: 1.4rem;
}

.content-band {
  position: relative;
  padding: var(--section-space) 0;
  background: rgba(255, 255, 255, 0.96);
}

.content-band:nth-of-type(odd) {
  background: linear-gradient(180deg, rgba(232, 242, 251, 0.68), rgba(247, 250, 253, 0.88));
}

.section-shell {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.75fr);
  gap: clamp(2.5rem, 7vw, 7rem);
}

.section-heading {
  align-self: start;
}

.section-heading h2 {
  position: relative;
  margin: 0;
  padding-top: 1.1rem;
  font-size: clamp(1.75rem, 3vw, 2.55rem);
  letter-spacing: -0.02em;
}

.section-heading h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3rem;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-link));
}

.section-body,
.section-intro {
  min-width: 0;
}

.section-intro {
  max-width: 820px;
  font-size: 1.02rem;
}

.section-intro > :first-child,
.subsection-card > :first-child {
  margin-top: 0;
}

.section-intro > :last-child,
.subsection-card > :last-child {
  margin-bottom: 0;
}

.section-intro p + p {
  margin-top: 1.25rem;
}

.section-intro ul {
  display: grid;
  gap: 0.85rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

.section-intro li {
  position: relative;
  padding: 0.9rem 1rem 0.9rem 2.7rem;
  border: 1px solid rgba(31, 58, 95, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.section-intro li::before {
  content: "";
  position: absolute;
  top: 1.28rem;
  left: 1.15rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--color-link);
  box-shadow: 0 0 0 5px rgba(74, 144, 217, 0.12);
}

.subsection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.2rem;
}

.subsection-card {
  min-width: 0;
  padding: clamp(1.35rem, 2.6vw, 2rem);
  border: 1px solid rgba(31, 58, 95, 0.09);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-card);
}

.subsection-card h3,
.subsection-card h4 {
  margin: 0 0 0.75rem;
  color: var(--color-accent);
}

.subsection-card h3 {
  font-size: 1.18rem;
}

.subsection-card h4 {
  font-size: 1rem;
}

.subsection-card p,
.subsection-card li {
  font-size: 0.95rem;
}

.subsection-card ul {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}

/* Home has denser risk and process card grids. */
.home-band--1 .subsection-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-band--1 .subsection-card {
  position: relative;
  overflow: hidden;
  padding-top: 3.8rem;
}

.home-band--1 .subsection-card::before {
  content: "";
  position: absolute;
  top: 1.55rem;
  left: 1.55rem;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid rgba(47, 94, 136, 0.52);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(74, 144, 217, 0.09);
}

.home-band--4 .subsection-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  counter-reset: flow;
}

.home-band--4 .subsection-card {
  counter-increment: flow;
}

.home-band--4 .subsection-card::before {
  content: "0" counter(flow);
  display: block;
  margin-bottom: 1rem;
  color: var(--color-link);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.home-band--6 .section-intro,
.about-band--7 .section-intro,
.product-band--5 .section-intro,
.research-band--7 .section-intro {
  padding: clamp(1.7rem, 4vw, 2.7rem);
  border: 1px solid rgba(31, 58, 95, 0.10);
  border-radius: 26px;
  background: linear-gradient(145deg, #fff, rgba(232, 242, 251, 0.72));
  box-shadow: var(--shadow-card);
}

/* About keeps a calmer editorial rhythm. */
.about-page .section-shell {
  grid-template-columns: minmax(190px, 0.55fr) minmax(0, 1.65fr);
}

.about-page .section-intro {
  max-width: 850px;
}

.about-band--2 .section-intro > p:first-child strong {
  color: var(--color-accent);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.about-band--4 .subsection-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-band--5 .subsection-card {
  max-width: 620px;
  border-left: 4px solid var(--color-link);
}

.about-band--6 .section-intro {
  padding: 2rem;
  border: 1px solid rgba(31, 58, 95, 0.10);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.90);
  box-shadow: var(--shadow-card);
}

.about-band--6 .section-intro strong {
  display: inline-block;
  min-width: 8rem;
  color: var(--color-heading);
}

/* Product separates overview cards from the eight compact criteria. */
.product-band--1 .subsection-card--h3 {
  grid-column: 1 / -1;
}

.product-band--1 .subsection-card--h4 {
  border-top: 3px solid rgba(74, 144, 217, 0.5);
  box-shadow: 0 12px 32px rgba(31, 58, 95, 0.055);
}

.product-band--2 .subsection-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Research uses paired technology surfaces. */
.research-band--1 .subsection-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.research-band--1 .subsection-card:first-child {
  background: linear-gradient(145deg, rgba(255,255,255,0.97), rgba(232,242,251,0.86));
}

.research-band--1 .subsection-card:last-child {
  border-color: rgba(46, 111, 126, 0.16);
  background: linear-gradient(145deg, rgba(255,255,255,0.97), rgba(224,241,240,0.78));
}

.research-band--2 .subsection-card,
.research-band--3 .subsection-card {
  grid-column: 1 / -1;
  border-left: 4px solid var(--color-accent);
}

.site-footer {
  margin-top: 0;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  border-top: 1px solid rgba(31, 58, 95, 0.08);
  background: linear-gradient(145deg, #e8f2fb, #f8fafc 58%, #fff);
}

.site-footer-inner {
  align-items: flex-start;
}

.footer-brand {
  max-width: 450px;
}

.footer-logo-link {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(31, 58, 95, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
}

.footer-logo {
  display: block;
  width: 150px;
  height: auto;
}

.footer-name {
  margin-bottom: 0.75rem;
  color: var(--color-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.copyright {
  margin-top: 1.6rem;
  font-size: 0.82rem;
}

.footer-links {
  display: grid;
  justify-items: end;
  gap: 1.35rem;
}

.footer-nav,
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  margin: 0;
}

.footer-nav a,
.social-links a {
  color: var(--color-heading);
  font-size: 0.9rem;
  font-weight: 650;
}

@media (max-width: 960px) {
  .hero-grid,
  .section-shell {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .assessment-panel,
  .research-model {
    max-width: 660px;
  }

  .section-heading h2 {
    max-width: 24ch;
  }

  .home-band--1 .subsection-grid,
  .about-band--4 .subsection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-band--4 .subsection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .header-inner {
    min-height: auto;
    gap: 0.8rem;
    padding: 1rem 0;
  }

  .nav-list {
    gap: 0.45rem 1rem;
  }

  .nav-list a {
    font-size: 0.82rem;
  }

  .page-hero {
    padding-top: 4.5rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.15rem, 11vw, 3.35rem);
  }

  .signal-map {
    min-height: 260px;
    transform: scale(0.82);
  }

  .research-model {
    grid-template-columns: 1fr;
  }

  .model-arrow {
    transform: rotate(90deg);
  }

  .subsection-grid,
  .home-band--1 .subsection-grid,
  .home-band--4 .subsection-grid,
  .about-band--4 .subsection-grid,
  .product-band--2 .subsection-grid,
  .research-band--1 .subsection-grid {
    grid-template-columns: 1fr;
  }

  .subsection-card,
  .product-band--1 .subsection-card--h3,
  .research-band--2 .subsection-card,
  .research-band--3 .subsection-card {
    grid-column: auto;
  }

  .about-band--6 .section-intro strong {
    display: block;
    margin-bottom: 0.2rem;
  }

  .site-footer-inner {
    gap: 2.5rem;
  }

  .footer-links {
    justify-items: start;
  }
}

/* Readability refinement: give section labels enough room to wrap naturally. */
@media (min-width: 961px) {
  .section-shell {
    grid-template-columns: 400px minmax(0, 1fr);
    gap: clamp(2.25rem, 3.5vw, 4rem);
  }

  .about-page .section-shell {
    grid-template-columns: 400px minmax(0, 1fr);
  }

  .contact-shell {
    grid-template-columns: 400px minmax(0, 1fr);
  }
}

.section-heading {
  padding-inline: 0;
}

.section-heading h2 {
  max-width: 16em;
  word-break: auto-phrase;
  line-break: strict;
  text-wrap: wrap;
}

/* Contact */
.contact-page {
  overflow: hidden;
}

.contact-hero .hero-copy h1 {
  margin-bottom: 1.5rem;
}

.contact-form-section {
  padding: var(--section-space) 0;
  background: rgba(255, 255, 255, 0.96);
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.contact-intro h2 {
  margin-top: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.contact-form {
  display: grid;
  gap: 1.3rem;
  max-width: none;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(31, 58, 95, 0.1);
  border-radius: 26px;
  background: linear-gradient(145deg, #fff, rgba(232, 242, 251, 0.58));
  box-shadow: var(--shadow-card);
}

.contact-form label {
  display: grid;
  gap: 0.55rem;
  color: var(--color-heading);
  font-size: 0.92rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(31, 58, 95, 0.16);
  border-radius: 12px;
  background: #fff;
  color: var(--color-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-link);
  outline: 3px solid rgba(74, 144, 217, 0.14);
}

.contact-form textarea {
  min-height: 190px;
  resize: vertical;
}

.contact-form button {
  justify-self: start;
  padding: 0.85rem 1.5rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-cta);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.contact-note {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.82rem;
}

@media (max-width: 960px) {
  .section-heading {
    padding-inline: 0;
  }

  .section-heading h2 {
    max-width: 22em;
  }

  .contact-shell {
    grid-template-columns: 1fr;
  }
}