:root {
  --tb-bg: #f6f8fb;
  --tb-surface: #ffffff;
  --tb-surface-soft: #f9fbff;
  --tb-ink: #07111f;
  --tb-muted: #637083;
  --tb-line: rgba(7, 17, 31, 0.10);
  --tb-blue: #2563eb;
  --tb-cyan: #18c7d8;
  --tb-purple: #6557e8;
  --tb-dark: #07111f;
  --tb-deep: #0b1628;
  --tb-gradient: linear-gradient(135deg, #2563eb 0%, #18c7d8 52%, #6557e8 100%);
  --tb-gradient-soft: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(24, 199, 216, 0.10), rgba(101, 87, 232, 0.12));
  --tb-radius-xl: 28px;
  --tb-radius-lg: 20px;
  --tb-shadow-soft: 0 28px 90px rgba(7, 17, 31, 0.10);
  --tb-shadow-card: 0 16px 50px rgba(7, 17, 31, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.82)),
    radial-gradient(circle at 8% 0%, rgba(24, 199, 216, 0.06), transparent 28%),
    radial-gradient(circle at 94% 10%, rgba(101, 87, 232, 0.07), transparent 22%),
    var(--tb-bg);
  color: var(--tb-ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(246, 248, 251, 0.84);
  border-bottom: 1px solid rgba(7, 17, 31, 0.05);
}

.nav-shell {
  min-height: 80px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.1rem;
}

.brand-dot {
  width: 15px;
  height: 15px;
  border-radius: 999px;
  background: var(--tb-gradient);
  box-shadow: 0 0 0 10px rgba(37, 99, 235, 0.06);
}

.desktop-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}

.desktop-nav a,
.mobile-menu a {
  color: var(--tb-muted);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

.desktop-nav a[aria-current="page"],
.desktop-nav a:hover,
.mobile-menu a[aria-current="page"] {
  color: var(--tb-ink);
}

.menu-toggle {
  display: none;
  margin-left: auto;
  width: 48px;
  height: 48px;
  border: 1px solid var(--tb-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--tb-ink);
  margin: 3px auto;
}

.mobile-menu {
  display: none;
  border-top: 1px solid rgba(7, 17, 31, 0.06);
}

.mobile-menu nav {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  gap: 14px;
  padding: 0 0 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: var(--tb-gradient);
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.18);
}

.button-secondary {
  color: var(--tb-ink);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(7, 17, 31, 0.08);
  box-shadow: 0 8px 20px rgba(7, 17, 31, 0.04);
}

.button-dark {
  color: #fff;
  background: var(--tb-dark);
  box-shadow: 0 14px 36px rgba(7, 17, 31, 0.16);
}

.button-disabled {
  color: rgba(7, 17, 31, 0.42);
  background: rgba(7, 17, 31, 0.05);
  border-color: rgba(7, 17, 31, 0.08);
  box-shadow: none;
  cursor: not-allowed;
  pointer-events: none;
}

.button-ghost-light {
  color: #f4fbff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(111, 244, 255, 0.18);
  box-shadow: none;
}

.hero-section,
.section-first {
  padding-top: 72px;
}

.hero-section {
  padding-bottom: 72px;
}

.section {
  padding: 56px 0;
}

.section-air {
  padding: 76px 0;
}

.hero-grid,
.split-layout,
.contact-layout,
.featured-panel,
.feature-stack {
  display: grid;
  gap: 32px;
}

.hero-grid {
  grid-template-columns: 1fr;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.featured-panel,
.cta-band,
.contact-card,
.service-card,
.lab-card,
.list-card,
.tile-card,
.principle-card,
.product-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--tb-shadow-card);
}

.hero-copy,
.hero-panel,
.featured-panel,
.cta-band,
.contact-card {
  border-radius: var(--tb-radius-xl);
  padding: clamp(24px, 3vw, 42px);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 720px;
  max-width: none;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(7, 17, 31, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 17, 31, 0.025) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.18), rgba(0,0,0,0));
  pointer-events: none;
}

.eyebrow-row {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker,
.mini-label,
.status-note {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--tb-muted);
}

.badge-row,
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.glass-pill,
.status-pill,
.chip-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid rgba(7, 17, 31, 0.07);
}

.glass-pill {
  background: rgba(255, 255, 255, 0.68);
  color: var(--tb-ink);
}

.status-pill {
  background: rgba(7, 17, 31, 0.05);
  color: var(--tb-deep);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(3.1rem, 7vw, 5.9rem);
  line-height: 0.96;
  max-width: 11ch;
}

h2 {
  font-size: clamp(2.1rem, 3.4vw, 3.6rem);
  line-height: 1.03;
  max-width: 15ch;
}

h3 {
  font-size: 1.52rem;
  line-height: 1.08;
}

p {
  color: var(--tb-muted);
  line-height: 1.72;
  max-width: 68ch;
}

.hero-subtitle,
.hero-support {
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.08rem;
  margin-top: 22px;
}

.hero-support {
  margin-top: 14px;
  max-width: 54ch;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  align-content: end;
}

.signal-map {
  position: absolute;
  inset: 0;
}

.signal-grid,
.signal-frame-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(7, 17, 31, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 17, 31, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.42;
}

.hero-card,
.tile-card,
.principle-card,
.product-card,
.service-card,
.lab-card,
.list-card {
  position: relative;
  border-radius: var(--tb-radius-lg);
}

.hero-card {
  padding: 24px;
}

.hero-card-large {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-products-card {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
}

.hero-card-top,
.product-meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.mini-kpi,
.product-label {
  color: var(--tb-muted);
  font-size: 0.92rem;
}

.hero-mini-grid,
.product-grid,
.tile-grid,
.principles-grid,
.service-columns,
.labs-board,
.product-list,
.feature-stack {
  display: grid;
  gap: 20px;
}

.section-heading {
  display: grid;
  gap: 14px;
  margin-bottom: 36px;
}

.section-heading.compact {
  align-content: start;
  margin-bottom: 0;
}

.editorial-grid {
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  align-items: stretch;
}

.product-card,
.service-card,
.lab-card,
.list-card {
  padding: 28px;
}

.product-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(249,251,255,0.96));
}

.product-card-featured {
  min-height: 380px;
  padding: 32px;
  background:
    radial-gradient(circle at 100% 0%, rgba(24, 199, 216, 0.16), transparent 36%),
    radial-gradient(circle at 10% 90%, rgba(24, 199, 216, 0.12), transparent 28%),
    linear-gradient(180deg, #071114 0%, #0b1a1f 100%);
  border: 1px solid rgba(111, 244, 255, 0.12);
  box-shadow:
    0 30px 70px rgba(4, 13, 18, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.product-card-featured h3,
.product-card-featured p,
.product-card-featured .product-label {
  color: #eff8fb;
}

.product-card-featured p {
  color: rgba(223, 240, 244, 0.82);
}

.product-card-featured .status-note {
  color: #79eff8;
}

.product-card-featured .button-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #f3fbfd;
  border-color: rgba(111, 244, 255, 0.16);
  box-shadow: none;
}

.product-meta {
  margin-bottom: 18px;
  flex-direction: column;
}

.status-note {
  color: var(--tb-blue);
}

.product-card h3 {
  margin-bottom: 14px;
}

.product-card p {
  margin-bottom: 28px;
}

.product-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-actions-stacked {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.product-actions .button {
  align-self: flex-start;
}

.accent-deep::before,
.accent-blue::before,
.accent-purple::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  border-radius: 20px 20px 0 0;
}

.accent-deep::before { background: linear-gradient(90deg, var(--tb-deep), rgba(37, 99, 235, 0.35)); }
.accent-blue::before { background: linear-gradient(90deg, rgba(37, 99, 235, 0.88), rgba(37, 99, 235, 0.22)); }
.accent-purple::before { background: linear-gradient(90deg, rgba(101, 87, 232, 0.88), rgba(101, 87, 232, 0.22)); }

.hero-ecosystem-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.hero-products-copy h3 {
  font-size: 2rem;
  line-height: 1.02;
  margin-bottom: 20px;
}

.hero-products-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
  position: relative;
}

.hero-products-grid::before,
.hero-products-grid::after {
  content: "";
  position: absolute;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.08), rgba(24, 199, 216, 0.16), rgba(101, 87, 232, 0.08));
  pointer-events: none;
}

.hero-products-grid::before {
  left: calc(50% - 24px);
  top: 110px;
  width: 36px;
  height: 1px;
}

.hero-products-grid::after {
  left: calc(50% + 12px);
  top: 122px;
  width: 1px;
  height: 112px;
}

.hero-product-card {
  border-radius: 22px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(249,251,255,0.96));
  border: 1px solid rgba(7, 17, 31, 0.08);
  box-shadow: 0 12px 32px rgba(7, 17, 31, 0.05);
  display: grid;
  gap: 10px;
  min-height: 170px;
}

.hero-product-card-upet {
  grid-row: 1 / span 2;
  min-height: 356px;
  padding: 22px;
  border-color: rgba(111, 244, 255, 0.16);
  background:
    radial-gradient(circle at 100% 0%, rgba(24, 199, 216, 0.16), transparent 42%),
    radial-gradient(circle at 8% 88%, rgba(24, 199, 216, 0.1), transparent 26%),
    linear-gradient(180deg, #071114 0%, #0b1a1f 100%);
  box-shadow:
    0 20px 42px rgba(4, 13, 18, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.hero-product-card-upet strong {
  font-size: 1.8rem;
  color: #eff8fb;
}

.hero-product-card-upet p,
.hero-product-card-upet .hero-product-signal {
  color: rgba(223, 240, 244, 0.84);
}

.hero-product-card strong {
  font-size: 1.24rem;
  line-height: 1.08;
}

.hero-product-card p {
  color: var(--tb-ink);
  font-size: 0.98rem;
  line-height: 1.45;
}

.hero-product-status,
.hero-product-signal {
  font-size: 0.82rem;
  line-height: 1.45;
}

.hero-product-status {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  width: fit-content;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(7, 17, 31, 0.08);
  background: rgba(7, 17, 31, 0.04);
  color: var(--tb-muted);
  font-weight: 700;
}

.hero-product-card-upet .hero-product-status {
  border-color: rgba(24, 199, 216, 0.16);
  background: rgba(24, 199, 216, 0.12);
  color: #87f4fb;
}

.hero-product-signal {
  color: var(--tb-muted);
}

.hero-products-footnote {
  margin-top: 18px;
  font-size: 0.94rem;
  max-width: 44ch;
}

.flagship-upet {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--tb-radius-xl);
  background:
    radial-gradient(circle at 18% 14%, rgba(24, 199, 216, 0.18), transparent 28%),
    radial-gradient(circle at 88% 82%, rgba(24, 199, 216, 0.14), transparent 24%),
    linear-gradient(180deg, #071114 0%, #0b1a1f 100%);
  border: 1px solid rgba(111, 244, 255, 0.12);
  box-shadow: 0 30px 80px rgba(4, 13, 18, 0.32);
  overflow: hidden;
}

.flagship-copy {
  display: grid;
  align-content: start;
  gap: 18px;
}

.section-kicker-dark {
  color: rgba(173, 242, 247, 0.72);
}

.flagship-upet h2,
.flagship-upet p,
.flagship-upet strong,
.flagship-upet span {
  color: #eff8fb;
}

.flagship-upet p {
  max-width: 60ch;
  color: rgba(223, 240, 244, 0.8);
}

.chip-grid-dark span {
  background: rgba(95, 231, 240, 0.22);
  border-color: rgba(130, 245, 255, 0.28);
  color: #f8feff !important;
  font-weight: 700;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
  box-shadow:
    inset 0 0 0 1px rgba(111, 244, 255, 0.06),
    0 8px 22px rgba(0, 0, 0, 0.1);
}

.flagship-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.feature-stack {
  grid-template-columns: 1fr;
}

.featured-panel {
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  align-items: stretch;
}

.upet-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,247,252,0.98));
}

.upet-panel-strong {
  border-color: rgba(11, 22, 40, 0.08);
}

.pool-panel {
  grid-template-columns: 1fr;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(247,247,255,0.98));
}

.featured-copy {
  display: grid;
  align-content: start;
  gap: 16px;
}

.featured-visual {
  min-height: 320px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(11, 22, 40, 0.96), rgba(17, 31, 54, 0.94));
}

.signal-frame {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 26px;
}

.signal-frame-grid {
  opacity: 0.12;
}

.signal-frame-card {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  padding: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
}

.signal-frame-card span {
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.52);
}

.signal-frame-card strong {
  font-size: 1.05rem;
  line-height: 1.5;
}

.chip-grid span {
  background: rgba(7, 17, 31, 0.04);
  color: var(--tb-ink);
}

.chip-grid-muted span {
  background: rgba(255, 255, 255, 0.66);
}

.split-layout,
.contact-layout {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.split-layout-wide {
  gap: 40px;
}

.tile-grid-editorial {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tile-card {
  min-height: 130px;
  display: flex;
  align-items: end;
  padding: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(249,251,255,0.96));
}

.tile-card span {
  font-size: 1.04rem;
  font-weight: 600;
}

.principles-grid-editorial {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.principle-card {
  min-height: 170px;
  padding: 24px;
  display: grid;
  align-content: space-between;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,251,255,0.96));
}

.principle-index {
  font-size: 0.82rem;
  color: var(--tb-blue);
  font-weight: 700;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(249,251,255,0.96));
}

.founder-contact {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: stretch;
}

.founder-contact-home {
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--tb-radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(249,251,255,0.96));
  box-shadow: 0 16px 40px rgba(7, 17, 31, 0.05);
}

.founder-contact-page {
  align-items: start;
}

.founder-contact-copy {
  display: grid;
  align-content: start;
  gap: 16px;
}

.founder-proof {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.founder-proof span,
.founder-contact-note,
.founder-card-copy,
.founder-card-footnote {
  color: var(--tb-muted);
}

.founder-proof span {
  position: relative;
  padding-left: 18px;
}

.founder-proof span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.86);
  box-shadow: 0 0 0 5px rgba(37, 99, 235, 0.08);
}

.founder-contact-note {
  max-width: 58ch;
}

.founder-card {
  padding: 26px;
  border-radius: var(--tb-radius-xl);
  background:
    radial-gradient(circle at 100% 0%, rgba(24, 199, 216, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,1), rgba(248,250,255,0.98));
  border: 1px solid rgba(7, 17, 31, 0.08);
  box-shadow: 0 20px 44px rgba(7, 17, 31, 0.06);
  display: grid;
  gap: 18px;
}

.founder-card-page {
  min-height: 100%;
}

.founder-card-top {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 16px;
  align-items: center;
}

.founder-avatar {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(24, 199, 216, 0.9));
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 16px 26px rgba(37, 99, 235, 0.14);
}

.founder-identity {
  display: grid;
  gap: 2px;
}

.founder-identity strong {
  color: var(--tb-ink);
  font-size: 1.08rem;
}

.founder-identity span {
  color: var(--tb-muted);
  font-size: 0.94rem;
}

.founder-status {
  grid-column: 1 / -1;
  width: fit-content;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(24, 199, 216, 0.08);
  border: 1px solid rgba(24, 199, 216, 0.14);
  color: #0e8f99;
  font-size: 0.82rem;
  font-weight: 700;
}

.founder-card-role {
  color: var(--tb-ink);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
}

.founder-card-actions {
  display: grid;
  gap: 12px;
}

.founder-card-footnote {
  padding-top: 6px;
  border-top: 1px solid rgba(7, 17, 31, 0.08);
}

.site-footer {
  padding: 36px 0 52px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 18px;
  padding: 30px;
  border-radius: var(--tb-radius-xl);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 10px 26px rgba(7, 17, 31, 0.04);
}

.footer-brand,
.footer-title {
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-grid p,
.footer-grid a {
  color: var(--tb-muted);
}

.footer-grid a {
  display: block;
  margin-bottom: 10px;
}

.contact-card form {
  display: grid;
  gap: 16px;
}

.contact-card label {
  display: grid;
  gap: 8px;
}

.contact-card span {
  font-size: 0.92rem;
  font-weight: 600;
}

.contact-card input,
.contact-card select,
.contact-card textarea {
  width: 100%;
  border: 1px solid rgba(7, 17, 31, 0.1);
  border-radius: 16px;
  background: rgba(249, 251, 255, 0.96);
  color: var(--tb-ink);
  padding: 14px 16px;
}

.contact-card textarea {
  resize: vertical;
}

.contact-card small {
  color: #cf3d6a;
}

.success-box {
  margin-bottom: 20px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.14);
}

.success-box h2 {
  font-size: 1.35rem;
  max-width: none;
  margin-bottom: 8px;
}

@media (max-width: 1120px) {
  .hero-grid,
  .editorial-grid,
  .split-layout,
  .contact-layout,
  .founder-contact,
  .principles-grid-editorial,
  .flagship-upet,
  .featured-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-panel {
    min-height: auto;
  }

  .hero-panel {
    min-height: 560px;
  }

  .cta-band,
  .founder-contact {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 820px) {
  .desktop-nav,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-menu.is-open {
    display: block;
  }

  .hero-section,
  .section-first {
    padding-top: 28px;
  }

  .section,
  .section-air {
    padding: 42px 0;
  }

  .hero-mini-grid,
  .tile-grid-editorial,
  .product-actions-stacked {
    grid-template-columns: 1fr;
  }

  .hero-products-grid {
    grid-template-columns: 1fr;
  }

  .hero-products-grid::before,
  .hero-products-grid::after {
    display: none;
  }

  .hero-product-card-upet {
    grid-row: auto;
    min-height: 0;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1200px);
  }

  .nav-shell {
    min-height: 72px;
  }

  .hero-copy,
  .hero-panel,
  .featured-panel,
  .contact-card,
  .cta-band,
  .founder-contact-home,
  .footer-grid {
    padding: 20px;
  }

  .hero-panel {
    min-height: 440px;
  }

  .glass-pill,
  .status-pill,
  .chip-grid span {
    min-height: 32px;
    font-size: 0.78rem;
  }

  .button {
    width: 100%;
  }

  .hero-actions,
  .cta-actions,
  .flagship-actions,
  .founder-card-actions {
    display: grid;
  }

  .product-card,
  .service-card,
  .lab-card,
  .list-card,
  .tile-card,
  .principle-card {
    padding: 20px;
  }

  .product-card-featured {
    padding: 24px;
  }
}