/* ============================================
   Clinical Hyperbaric — Design System
   Bright, fresh, luxury · medical-grade
   ============================================ */

:root {
  /* Type scale */
  --text-xs:    clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:    clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base:  clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:    clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:    clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:   clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:   clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero:  clamp(3rem, 0.5rem + 7vw, 7.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Colors — bright, fresh, luxury */
  --bg:           #FFFFFF;
  --bg-soft:      #F7F9FC;
  --bg-muted:     #EEF2F7;
  --surface:      #FFFFFF;
  --ink:          #0B1B2B;
  --ink-2:        #2C3E55;
  --ink-3:        #5C6B7E;
  --ink-4:        #8A98AB;
  --border:       #E4EAF2;
  --border-soft:  #EEF2F7;

  --brand-cyan:    #1FB6FF;
  --brand-blue:    #2D7BFF;
  --brand-purple:  #8A5CF6;
  --brand-magenta: #C84BD9;
  --brand-grad:    linear-gradient(135deg, #1FB6FF 0%, #2D7BFF 35%, #8A5CF6 75%, #C84BD9 100%);
  --brand-grad-soft: linear-gradient(135deg, rgba(31,182,255,0.08) 0%, rgba(45,123,255,0.06) 35%, rgba(138,92,246,0.06) 75%, rgba(200,75,217,0.08) 100%);

  /* Effects */
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 2px rgba(11,27,43,0.04), 0 2px 8px rgba(11,27,43,0.04);
  --shadow:    0 4px 16px rgba(11,27,43,0.06), 0 8px 32px rgba(11,27,43,0.05);
  --shadow-lg: 0 12px 40px rgba(11,27,43,0.08), 0 24px 80px rgba(45,123,255,0.10);
  --shadow-glow: 0 12px 40px rgba(45,123,255,0.18), 0 24px 80px rgba(138,92,246,0.14);

  --content: 1240px;
  --content-narrow: 880px;
  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: "Manrope", system-ui, -apple-system, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
  text-wrap: balance;
}
p { text-wrap: pretty; max-width: 70ch; }
:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: rgba(45,123,255,0.18); color: var(--ink); }

/* Layout */
.container {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}
.container-narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}
section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: var(--space-4);
}
.gradient-text {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding-block: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.brand__name { line-height: 1; }
.brand__tag {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 2px;
}
.nav { display: flex; align-items: center; gap: var(--space-5); flex-wrap: nowrap; }
.nav__link { white-space: nowrap; }
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-2);
  transition: color var(--transition);
  position: relative;
}
.nav__link:hover, .nav__link[aria-current="page"] {
  color: var(--brand-blue);
}
.nav__link[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--brand-grad);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 10px;
}
.nav-toggle span {
  position: relative;
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: var(--space-5);
    padding: var(--space-6) var(--space-6) var(--space-8);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-12px);
    opacity: 0; pointer-events: none;
    transition: all var(--transition);
  }
  .nav[data-open="true"] {
    transform: translateY(0);
    opacity: 1; pointer-events: auto;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: 999px;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--brand-grad);
  color: white;
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(45,123,255,0.2);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}
.btn--ghost {
  color: var(--ink);
  border: 1.5px solid var(--border);
  background: var(--bg);
}
.btn--ghost:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  transform: translateY(-1px);
}
.btn--lg { padding: var(--space-5) var(--space-8); font-size: var(--text-base); }
.btn--sm { padding: var(--space-3) var(--space-5); font-size: var(--text-xs); }

/* Hero */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 80% 10%, rgba(31,182,255,0.10) 0%, transparent 60%),
    radial-gradient(50% 50% at 10% 80%, rgba(138,92,246,0.10) 0%, transparent 60%),
    radial-gradient(40% 40% at 90% 90%, rgba(200,75,217,0.06) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}
.hero__title {
  font-size: var(--text-3xl);
  letter-spacing: -0.035em;
  line-height: 1.02;
  font-weight: 800;
  margin-bottom: var(--space-6);
}
.hero__lead {
  font-size: var(--text-lg);
  color: var(--ink-3);
  margin-bottom: var(--space-8);
  max-width: 56ch;
  line-height: 1.5;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--brand-grad-soft);
  box-shadow: var(--shadow-lg);
}
.hero__visual img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__badge {
  position: absolute;
  top: var(--space-6); left: var(--space-6);
  background: rgba(255,255,255,0.95);
  padding: var(--space-3) var(--space-5);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
  display: inline-flex; align-items: center; gap: var(--space-2);
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--brand-grad);
}
@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { aspect-ratio: 4 / 5; max-width: 520px; margin-inline: auto; }
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  padding: var(--space-12);
  background: var(--bg-soft);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-soft);
}
.stat__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-2);
}
.stat__label {
  font-size: var(--text-sm);
  color: var(--ink-3);
  font-weight: 500;
}

/* Section heading */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-16);
}
.section-head h2 {
  font-size: var(--text-2xl);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}
.section-head p {
  font-size: var(--text-lg);
  color: var(--ink-3);
  margin-inline: auto;
  max-width: 60ch;
}

/* Chamber grid */
.chambers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.chamber-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.chamber-card:hover {
  transform: translateY(-4px);
  border-color: rgba(45,123,255,0.3);
  box-shadow: var(--shadow-lg);
}
.chamber-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--brand-grad-soft);
  position: relative;
}
.chamber-card__media svg {
  width: 100%; height: 100%;
  display: block;
}
.chamber-card__body {
  padding: var(--space-6);
  display: flex; flex-direction: column;
  flex: 1;
}
.chamber-card__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: var(--space-2);
}
.chamber-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.chamber-card__desc {
  font-size: var(--text-sm);
  color: var(--ink-3);
  margin-bottom: var(--space-5);
  flex: 1;
}
.chamber-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.chamber-card__meta span {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--ink-3);
  background: var(--bg-soft);
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  border: 1px solid var(--border-soft);
}
.chamber-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--brand-blue);
}
.chamber-card__cta svg {
  width: 16px; height: 16px;
  transition: transform var(--transition);
}
.chamber-card:hover .chamber-card__cta svg { transform: translateX(4px); }
.chamber-card__link {
  position: absolute; inset: 0;
  z-index: 1;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.feature {
  padding: var(--space-8);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.feature:hover {
  border-color: rgba(45,123,255,0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.feature__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--brand-grad);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-5);
  color: white;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.feature p {
  font-size: var(--text-sm);
  color: var(--ink-3);
  line-height: 1.65;
}

/* CTA banner */
.cta {
  background: var(--brand-grad);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-12), 6vw, var(--space-20));
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 60%);
  pointer-events: none;
}
.cta h2 {
  color: white;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.cta p {
  color: rgba(255,255,255,0.9);
  font-size: var(--text-lg);
  margin: 0 auto var(--space-8);
}
.cta .btn--primary {
  background: white;
  color: var(--ink);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.6), 0 12px 40px rgba(0,0,0,0.18);
}
.cta .btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.8), 0 18px 50px rgba(0,0,0,0.25);
}
.cta .btn--ghost {
  color: white;
  border-color: rgba(255,255,255,0.5);
  background: transparent;
}
.cta .btn--ghost:hover { background: rgba(255,255,255,0.12); border-color: white; color: white; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-soft);
  padding-block: var(--space-16) var(--space-8);
  margin-top: var(--space-24);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
.site-footer__col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--space-5);
}
.site-footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.site-footer__col a {
  font-size: var(--text-sm);
  color: var(--ink-2);
  transition: color var(--transition);
}
.site-footer__col a:hover { color: var(--brand-blue); }
.site-footer__about {
  font-size: var(--text-sm);
  color: var(--ink-3);
  max-width: 38ch;
  margin-top: var(--space-4);
}
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-soft);
  font-size: var(--text-xs);
  color: var(--ink-4);
}

/* Page hero (interior) */
.page-hero {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-16));
  position: relative;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 80% at 80% 0%, rgba(31,182,255,0.08) 0%, transparent 70%),
              radial-gradient(50% 80% at 0% 100%, rgba(138,92,246,0.06) 0%, transparent 70%);
  z-index: -1;
}
.page-hero h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.035em;
  margin-bottom: var(--space-5);
  max-width: 18ch;
}
.page-hero p {
  font-size: var(--text-lg);
  color: var(--ink-3);
  max-width: 60ch;
}
.breadcrumb {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--space-5);
  display: flex;
  gap: var(--space-3);
}
.breadcrumb a { color: var(--brand-blue); }
.breadcrumb span { color: var(--ink-4); }

/* Product detail */
.product-detail {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
@media (max-width: 880px) {
  .product-detail { grid-template-columns: 1fr; }
}
.product-detail__media {
  position: sticky;
  top: 100px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--brand-grad-soft);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
}
.product-detail__media svg, .product-detail__media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
@media (max-width: 880px) {
  .product-detail__media { position: relative; top: 0; }
}

.product-detail__title {
  font-size: var(--text-2xl);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
}
.product-detail__meta {
  font-size: var(--text-sm);
  color: var(--ink-3);
  margin-bottom: var(--space-6);
  display: flex; flex-wrap: wrap; gap: var(--space-5);
}
.product-detail__meta span { display: inline-flex; align-items: center; gap: var(--space-2); }
.product-detail__meta strong { color: var(--ink); font-weight: 600; }
.product-detail__lead {
  font-size: var(--text-base);
  color: var(--ink-2);
  margin-bottom: var(--space-8);
  line-height: 1.65;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-8);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border-soft);
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th {
  width: 40%;
  font-weight: 600;
  color: var(--ink-3);
  background: var(--bg-soft);
}
.spec-table td { color: var(--ink); font-weight: 500; }

.feature-list {
  list-style: none;
  display: flex; flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.feature-list li {
  position: relative;
  padding-left: var(--space-8);
  font-size: var(--text-sm);
  color: var(--ink-2);
  line-height: 1.6;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.4em;
  width: 18px; height: 18px;
  border-radius: 999px;
  background: var(--brand-grad);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') center/14px no-repeat;
          mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') center/14px no-repeat;
}
.feature-list--check li::before { background: var(--brand-grad); }

/* feature-card variant: used on product detail pages where each feature has a title + body */
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-8); }
@media (max-width: 720px) { .feature-list { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-6);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.feature-card:hover { transform: translateY(-2px); border-color: var(--brand-blue); box-shadow: var(--shadow-sm); }
.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: var(--text-sm);
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0;
}

.product-actions {
  display: flex; flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  margin-bottom: var(--space-6);
}
.product-actions p {
  width: 100%;
  font-size: var(--text-sm);
  color: var(--ink-3);
  margin: 0 0 var(--space-3);
}

/* Forms */
.form {
  display: flex; flex-direction: column;
  gap: var(--space-5);
  background: var(--surface);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.form__field { display: flex; flex-direction: column; gap: var(--space-2); }
.form__field label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.form__field input,
.form__field select,
.form__field textarea {
  padding: var(--space-4) var(--space-5);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  font-size: var(--text-sm);
  color: var(--ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px rgba(45,123,255,0.12);
}
.form__field textarea { min-height: 140px; resize: vertical; }
.form__submit {
  align-self: flex-start;
  margin-top: var(--space-2);
}

/* Two-column content */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.split__media {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--brand-grad-soft);
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
  letter-spacing: -0.025em;
}
.split p {
  color: var(--ink-3);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

/* Contact info */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}
.info-card {
  padding: var(--space-6);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.info-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--space-2);
}
.info-card__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
  hyphens: auto;
}
.info-card__value a { color: var(--brand-blue); word-break: break-word; overflow-wrap: anywhere; }

/* Animations */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utility */
.center { text-align: center; }
.muted { color: var(--ink-3); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

/* ======================================================================
   Legal / policy pages
   ====================================================================== */
.legal {
  padding: var(--space-12) 0 var(--space-16);
}
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.breadcrumb a {
  color: var(--ink-3);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--brand-blue); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }

.legal__layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) {
  .legal__layout { grid-template-columns: 1fr; gap: var(--space-8); }
}
.legal__sidebar {
  position: sticky;
  top: var(--space-8);
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.04), rgba(124, 58, 237, 0.04));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.legal__sidebar-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 var(--space-4);
  color: var(--ink);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.legal__sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.legal__sidebar li a {
  display: block;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: background 160ms ease, color 160ms ease;
}
.legal__sidebar li a:hover {
  background: rgba(6, 182, 212, 0.08);
  color: var(--brand-blue);
}
.legal__sidebar li a.is-active {
  background: var(--ink);
  color: white;
  font-weight: 600;
}
.legal__entity {
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--ink-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}
.legal__entity p { margin: 0; }

.legal__article {
  max-width: 760px;
}
.legal__effective {
  font-size: var(--text-sm);
  color: var(--ink-3);
  margin: 0 0 var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: rgba(6, 182, 212, 0.06);
  border-left: 3px solid var(--brand-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Long-form prose */
.prose {
  color: var(--ink-2);
  line-height: 1.7;
  font-size: var(--text-base);
}
.prose h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 1.5rem + 1.5vw, 2.75rem);
  color: var(--ink);
  margin: 0 0 var(--space-6);
  letter-spacing: -0.02em;
}
.prose h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 1rem + 0.75vw, 1.5rem);
  color: var(--ink);
  margin: var(--space-10) 0 var(--space-3);
  letter-spacing: -0.01em;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line);
}
.prose h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--ink);
  margin: var(--space-6) 0 var(--space-2);
}
.prose p { margin: 0 0 var(--space-4); }
.prose ul, .prose ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.5rem;
}
.prose li { margin-bottom: 0.5rem; }
.prose li > ul, .prose li > ol { margin-top: 0.5rem; }
.prose strong { color: var(--ink); }
.prose a {
  color: var(--brand-blue);
  text-decoration: underline;
  text-decoration-color: rgba(6, 182, 212, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 160ms ease;
}
.prose a:hover { text-decoration-color: var(--brand-blue); }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--ink);
}

/* Inline callout (warnings, key notices) */
.callout {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin: var(--space-5) 0;
  border-left: 4px solid;
}
.callout p { margin: 0; }
.callout__icon {
  font-size: 1.25rem;
  line-height: 1.5;
  flex-shrink: 0;
}
.callout--warn {
  background: rgba(245, 158, 11, 0.08);
  border-color: #f59e0b;
  color: #78350f;
}
.callout--warn .callout__icon { color: #d97706; }

/* ==========================================================
   Gallery — Inside the Helix Series
   ========================================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  aspect-ratio: 1 / 1;
}
.gallery__item img,
.gallery__item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.gallery__item:hover img,
.gallery__item:hover video {
  transform: scale(1.04);
}
.gallery__item--xl  { grid-column: span 8; }
.gallery__item--lg  { grid-column: span 6; aspect-ratio: 4 / 3; }
.gallery__item--md  { grid-column: span 4; }
.gallery__item--sm  { grid-column: span 3; }
.gallery__item--video { grid-column: span 6; aspect-ratio: 9 / 16; }
.gallery__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.65) 100%);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery__item:hover .gallery__caption {
  opacity: 1;
}

/* Tablet */
@media (max-width: 1024px) {
  .gallery__item--xl { grid-column: span 12; }
  .gallery__item--lg { grid-column: span 12; aspect-ratio: 16 / 10; }
  .gallery__item--md { grid-column: span 6; }
  .gallery__item--sm { grid-column: span 6; }
  .gallery__item--video { grid-column: span 12; aspect-ratio: 16 / 10; }
}

/* Mobile */
@media (max-width: 640px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }
  .gallery__item--xl,
  .gallery__item--lg,
  .gallery__item--md,
  .gallery__item--sm,
  .gallery__item--video {
    grid-column: span 2;
    aspect-ratio: 1 / 1;
  }
  .gallery__caption { opacity: 1; }
}

/* Gallery video grid (gallery.html — In motion section) */
.gallery-video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.gallery-video-grid .gallery__item--video {
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border-radius: var(--radius-lg);
  position: relative;
  background: #000;
}
.gallery-video-grid .gallery__item--video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-video-grid .gallery__caption {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-4);
  right: var(--space-4);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  backdrop-filter: blur(2px);
}
@media (max-width: 768px) {
  .gallery-video-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Hero — centered variant (no left/right split) ===== */
.hero--center {
  /* Tighter than default hero to flow continuously into slideshow below */
  padding-block: clamp(var(--space-12), 6vw, var(--space-20)) clamp(var(--space-6), 3vw, var(--space-10));
}
.hero--center .hero__inner {
  display: block;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}
.hero--center .hero__title,
.hero--center .hero__lead { margin-left: auto; margin-right: auto; }
.hero--center .hero__lead { max-width: 68ch; }
.hero--center .hero__actions { justify-content: center; }

/* Tighten slideshow section spacing so hero + slideshow read as one block */
.section--flush-top { padding-block: var(--space-4) clamp(var(--space-16), 8vw, var(--space-24)) !important; }

/* Slideshow when placed at the very top of the page — sits right under the sticky header */
.section--slideshow-top {
  padding-block: clamp(var(--space-6), 3vw, var(--space-10)) clamp(var(--space-8), 4vw, var(--space-12)) !important;
}
.hero--below-slideshow {
  padding-block: clamp(var(--space-8), 4vw, var(--space-14)) clamp(var(--space-10), 5vw, var(--space-18)) !important;
}

/* ===== Photo-only slideshow variant (no overlay text) ===== */
.slideshow--photo-only .slide__overlay,
.slideshow--photo-only .slide__body { display: none !important; }
.slideshow--photo-only .slide__media img { object-position: center; }
.slideshow--photo-only .slideshow__track { aspect-ratio: 16 / 9; }
@media (max-width: 720px) {
  .slideshow--photo-only .slideshow__track { aspect-ratio: 4 / 3; }
}

/* ===== Product LINE cards (image + name + tagline + Learn more) ===== */
.product-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 960px) {
  .product-lines { grid-template-columns: 1fr; gap: var(--space-5); }
}
.product-line {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
}
.product-line:hover {
  transform: translateY(-4px);
  border-color: rgba(45,123,255,0.35);
  box-shadow: 0 18px 40px rgba(45,123,255,0.18);
}
.product-line__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-soft);
}
.product-line__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 500ms ease;
}
.product-line:hover .product-line__media img { transform: scale(1.04); }
.product-line__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.product-line__title {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-size: clamp(1.4rem, 2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink-1);
}
.product-line__tag {
  font-size: var(--text-sm);
  color: var(--ink-3);
  margin: 0;
  flex: 1;
}
.product-line__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--brand-blue);
  margin-top: var(--space-2);
}
.product-line__cta svg {
  width: 16px; height: 16px;
  transition: transform var(--transition);
}
.product-line:hover .product-line__cta svg { transform: translateX(4px); }

/* ===== Mobile fixes (≤ 720px) — photos visible, no cramped 2-col cards ===== */
@media (max-width: 720px) {
  /* Tighten slideshow at top so users see image immediately */
  .section--slideshow-top { padding-block: var(--space-4) var(--space-6) !important; }
  /* Keep slideshow as a 4:5 portrait on phones (declared elsewhere) but ensure photo dominates */
  .slideshow { box-shadow: 0 12px 30px rgba(45,123,255,0.18); }

  /* Force flagship chamber cards to single column — no narrow 2-col squeeze */
  .chambers { grid-template-columns: 1fr !important; gap: var(--space-5) !important; }
  .chamber-card__body { padding: var(--space-5) !important; }
  .chamber-card__meta { gap: var(--space-2) !important; }
  .chamber-card__meta span { padding: 4px var(--space-3) !important; }

  /* Hero — tighter so it doesn't push everything down */
  .hero--below-slideshow { padding-block: var(--space-6) var(--space-10) !important; }
  .hero__title { font-size: clamp(2rem, 9vw, 2.6rem) !important; }
  .hero__lead { font-size: 1rem !important; }
  .hero__actions { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .hero__actions .btn { width: 100%; justify-content: center; }

  /* Footer product strip already single-col via existing rule; tighten thumbs */
  .site-footer__thumb { width: 64px; height: 64px; }

  /* Generic section padding shrink so page isn't endless */
  section { padding-block: clamp(var(--space-10), 10vw, var(--space-16)) !important; }
}

/* ===== Footer redesign — 4 symmetrical columns with product photos ===== */
.site-footer__products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-bottom: var(--space-12);
  margin-bottom: var(--space-12);
  border-bottom: 1px solid var(--border-soft);
}
@media (max-width: 720px) {
  .site-footer__products { grid-template-columns: 1fr; }
}
.site-footer__product {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--transition);
}
.site-footer__product:hover {
  transform: translateY(-2px);
  border-color: rgba(45,123,255,0.3);
  box-shadow: var(--shadow-sm);
}
.site-footer__thumb {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-soft);
}
.site-footer__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.site-footer__product-body { display: flex; flex-direction: column; gap: 2px; }
.site-footer__product-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--ink-1);
  letter-spacing: -0.01em;
}
.site-footer__product-meta {
  font-size: var(--text-xs);
  color: var(--ink-3);
}

/* Force 4-col balanced layout regardless of legacy fr values */
.site-footer__grid--4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
@media (max-width: 960px) {
  .site-footer__grid--4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .site-footer__grid--4 { grid-template-columns: 1fr; }
}

/* ===== Flagship Slideshow ===== */
.slideshow {
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(45, 123, 255, 0.22);
  background: var(--bg-soft);
}
.slideshow__track {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}
@media (max-width: 720px) {
  .slideshow__track { aspect-ratio: 4 / 5; }
}
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: stretch;
  opacity: 0;
  visibility: hidden;
  transition: opacity 700ms ease;
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}
.slide__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,15,30,0) 35%, rgba(10,15,30,0.55) 75%, rgba(10,15,30,0.78) 100%);
  z-index: 1;
}
.slide__body {
  position: relative;
  z-index: 2;
  align-self: flex-end;
  width: 100%;
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  color: #fff;
}
.slide__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #B0D8FF;
  margin-bottom: var(--space-3);
}
.slide__title {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 var(--space-3);
  color: #fff;
}
.slide__desc {
  font-size: clamp(0.98rem, 1.15vw, 1.1rem);
  line-height: 1.55;
  max-width: 60ch;
  margin: 0 0 var(--space-5);
  color: rgba(255,255,255,0.9);
}
.slide__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.slide__meta span {
  font-size: 0.85rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.slide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.slide .btn--ghost {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
  backdrop-filter: blur(6px);
}
.slide .btn--ghost:hover { background: rgba(255,255,255,0.2); }
.slideshow__controls {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  display: flex;
  gap: var(--space-2);
  z-index: 5;
}
.slideshow__btn {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(10,15,30,0.45);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background 0.2s ease;
}
.slideshow__btn:hover { background: rgba(10,15,30,0.75); }
.slideshow__btn svg { width: 18px; height: 18px; }
.slideshow__dots {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 5;
}
.slideshow__dot {
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: background 0.25s ease, width 0.25s ease;
}
.slideshow__dot.is-active {
  background: #fff;
  width: 52px;
}

@media (max-width: 720px) {
  .slideshow__dots { bottom: var(--space-3); }
  .slideshow__controls { bottom: var(--space-3); right: var(--space-3); }
  .slide__meta { gap: var(--space-2); }
  .slide__meta span { font-size: 0.75rem; padding: 0.3rem 0.6rem; }
}

/* ==================== SPLIT HERO (Interactive) ====================
   Two full-bleed panels side-by-side. Hover one — it expands to 65%,
   the other shrinks to 35%. On touch / no-hover, both stay 50/50 and
   labels show by default. Click takes user to product category page.
*/
section.split-hero {
  /* Override the global section padding-block so the hero is flush. */
  padding-block: 0;
  margin: 0;
}
.split-hero {
  position: relative;
  width: 100%;
  height: clamp(560px, 88vh, 920px);
  background: #000;
  overflow: hidden;
  display: flex;
}

.split-hero__panel {
  position: relative;
  flex: 1 1 50%;
  height: 100%;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  display: block;
  transition: flex-basis 0.7s cubic-bezier(0.65, 0, 0.2, 1);
  cursor: pointer;
  isolation: isolate;
}

/* The background image — full-bleed, gently zoomed on hover */
.split-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.split-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 1.2s cubic-bezier(0.2, 0.6, 0.2, 1), filter 0.6s ease;
  filter: brightness(0.78) saturate(1.05);
  will-change: transform;
}

/* Diagonal vignette overlay so text remains readable */
.split-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,0.7) 100%),
    linear-gradient(90deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 50%, rgba(0,0,0,0.35) 100%);
  transition: background 0.6s ease;
  pointer-events: none;
}

/* Vertical divider down the middle */
.split-hero__panel + .split-hero__panel::after {
  content: "";
  position: absolute;
  left: 0;
  top: 10%;
  bottom: 10%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.35), transparent);
  z-index: 2;
}

/* Text content sits centered, slides up on hover */
.split-hero__body {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 3;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transform: translateY(0);
  transition: transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1);
}

.split-hero__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  margin: 0;
}

.split-hero__title {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.55), 0 1px 2px rgba(0,0,0,0.4);
}

/* Colored accent word inside the title (e.g. "Chambers", "Touch") */
.split-hero__accent {
  display: inline-block;
  font-weight: 900;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* Subtle dark shadow underneath the gradient text for legibility on light areas */
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.35));
}
.split-hero__accent--cyan {
  background-image: linear-gradient(95deg, #00D9F5 0%, #00AFC8 55%, #00E0FF 100%);
}
.split-hero__accent--violet {
  background-image: linear-gradient(95deg, #B388FF 0%, #7C4DFF 55%, #C9A6FF 100%);
}
.split-hero__accent--red {
  background-image: linear-gradient(95deg, #FF5A6B 0%, #E63946 55%, #FF8593 100%);
}
.split-hero__accent--purple {
  background-image: linear-gradient(95deg, #C77DFF 0%, #9D4EDD 55%, #E0AAFF 100%);
}

/* In the 4-panel layout the columns are narrower — scale title down so it fits on one line */
.split-hero--four .split-hero__title {
  font-size: clamp(2.1rem, 2.8vw, 3.4rem);
}
.split-hero--four .split-hero__tag {
  font-size: clamp(0.92rem, 1vw, 1.05rem);
  max-width: 26rem;
}
.split-hero--four .split-hero__body {
  padding: clamp(1.5rem, 3vw, 2.6rem) clamp(1.25rem, 3vw, 2.6rem);
}
.split-hero--four .split-hero__cta {
  margin-top: 1rem;
  padding: 0.78rem 1.4rem;
  font-size: 0.92rem;
}

.split-hero__tag {
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  font-weight: 500;
  color: rgba(255,255,255,0.92);
  margin: 0.4rem 0 0 0;
  max-width: 34rem;
  line-height: 1.5;
  text-shadow: 0 1px 6px rgba(0,0,0,0.45);
}
.split-hero__tag strong {
  font-weight: 800;
  color: #fff;
}

.split-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1.5px solid rgba(255,255,255,0.55);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  width: max-content;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.45s ease 0.1s,
    transform 0.45s cubic-bezier(0.2, 0.6, 0.2, 1) 0.1s,
    background 0.25s ease,
    border-color 0.25s ease;
}

.split-hero__cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

/* Floating brand-cyan corner badge for the active panel */
.split-hero__badge {
  position: absolute;
  top: clamp(1.4rem, 3vw, 2.4rem);
  left: clamp(1.4rem, 3vw, 2.4rem);
  z-index: 3;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: rgba(0, 175, 200, 0.18);
  border: 1px solid rgba(0, 217, 245, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #c8f4ff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* ===== Hover state (desktop, fine pointers) ===== */
@media (hover: hover) and (pointer: fine) {
  /* 2-panel default: hovered grows to 65%, others shrink to 35% */
  .split-hero:has(.split-hero__panel:hover) .split-hero__panel { flex: 1 1 35%; }
  .split-hero:has(.split-hero__panel:hover) .split-hero__panel:hover { flex: 1 1 65%; }

  /* 4-panel variant: hovered grows to 40%, the three others share 60% (20% each) */
  .split-hero--four:has(.split-hero__panel:hover) .split-hero__panel { flex: 1 1 20%; }
  .split-hero--four:has(.split-hero__panel:hover) .split-hero__panel:hover { flex: 1 1 40%; }

  .split-hero__panel:hover .split-hero__media img {
    transform: scale(1.1);
    filter: brightness(0.86) saturate(1.12);
  }

  .split-hero__panel:hover::before {
    background:
      linear-gradient(180deg, rgba(0,0,0,0) 22%, rgba(0,0,0,0.78) 100%),
      linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 100%);
  }

  .split-hero__panel:hover .split-hero__cta {
    opacity: 1;
    transform: translateY(0);
  }

  .split-hero__panel:hover .split-hero__body {
    transform: translateY(-6px);
  }

  .split-hero__panel:hover .split-hero__cta:hover {
    background: rgba(0, 217, 245, 0.22);
    border-color: rgba(0, 217, 245, 0.75);
  }

  .split-hero__panel:hover .split-hero__cta:hover svg {
    transform: translateX(4px);
  }

  /* Fallback for browsers without :has() — both expand evenly on hover */
  @supports not selector(:has(*)) {
    .split-hero__panel { transition: none; }
    .split-hero__panel:hover .split-hero__cta { opacity: 1; transform: translateY(0); }
  }
}

/* ===== Tablet (860–1200px): for 4-panel hero, switch to 2×2 grid ===== */
@media (min-width: 861px) and (max-width: 1200px) {
  .split-hero--four {
    flex-wrap: wrap;
    height: auto;
    min-height: clamp(720px, 100vh, 1200px);
  }
  .split-hero--four .split-hero__panel {
    flex: 1 1 50%;
    min-height: 52vh;
  }
  .split-hero--four:has(.split-hero__panel:hover) .split-hero__panel { flex: 1 1 50%; }
  .split-hero--four:has(.split-hero__panel:hover) .split-hero__panel:hover { flex: 1 1 50%; }
}

/* ===== Touch + mobile: stack vertically, show CTAs by default ===== */
@media (max-width: 860px) {
  .split-hero {
    flex-direction: column;
    height: auto;
    min-height: 92vh;
  }
  .split-hero--four {
    min-height: auto;
  }
  .split-hero__panel {
    flex: 1 1 50%;
    min-height: 46vh;
  }
  .split-hero--four .split-hero__panel {
    min-height: 60vh;
  }
  .split-hero__cta {
    opacity: 1;
    transform: translateY(0);
  }
  .split-hero__panel + .split-hero__panel::after {
    left: 10%;
    right: 10%;
    top: 0;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  }
}

/* ===== Touch (no-hover) on desktop too — show CTAs ===== */
@media (hover: none) {
  .split-hero__cta {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Reduced motion respect ===== */
@media (prefers-reduced-motion: reduce) {
  .split-hero__panel,
  .split-hero__media img,
  .split-hero__body,
  .split-hero__cta {
    transition: none !important;
  }
  .split-hero__cta { opacity: 1; transform: none; }
}


/* ==================== HELIX TOUCH PAGE — extended sections ==================== */

/* "Eyes / Brain / Hands" three-pillar narrative */
.htouch-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-8);
}
@media (max-width: 960px) { .htouch-pillars { grid-template-columns: 1fr; } }

.htouch-pillar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.htouch-pillar__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-soft);
}
.htouch-pillar__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.htouch-pillar__eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-cyan, #0099b8);
  margin: 0;
}
.htouch-pillar h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}
.htouch-pillar p {
  font-size: 1rem;
  line-height: 1.65;
  opacity: 0.85;
  margin: 0;
}

/* Benefits row — 5 named benefits with icons */
.htouch-benefits {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
@media (max-width: 1080px) { .htouch-benefits { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px)  { .htouch-benefits { grid-template-columns: repeat(2, 1fr); } }

.htouch-benefit {
  text-align: center;
  padding: var(--space-5) var(--space-3);
  background: var(--bg-soft);
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.htouch-benefit:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(0, 153, 184, 0.08);
}
.htouch-benefit__icon {
  width: 44px; height: 44px;
  margin: 0 auto var(--space-3);
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 217, 245, 0.15), rgba(0, 153, 184, 0.1));
  color: var(--brand-cyan, #0099b8);
}
.htouch-benefit__icon svg { width: 24px; height: 24px; }
.htouch-benefit h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}

/* Three-series module taxonomy */
.htouch-series {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-6);
}
.htouch-series__block {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: var(--space-6);
}
.htouch-series__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.htouch-series__head .eyebrow { margin: 0; }
.htouch-series__head h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}
.htouch-series__head p {
  margin: 0;
  opacity: 0.78;
  font-size: 1rem;
  flex-basis: 100%;
  max-width: 50rem;
}

.htouch-series__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 960px) { .htouch-series__grid { grid-template-columns: 1fr; } }

.htouch-module {
  background: var(--bg, #fff);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.htouch-module:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 32px rgba(0,0,0,0.08);
  border-color: rgba(0, 153, 184, 0.3);
}
.htouch-module__media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #0a1820;
  overflow: hidden;
}
.htouch-module__media img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 8%;
  background: radial-gradient(ellipse at center, rgba(0, 217, 245, 0.12) 0%, transparent 70%);
}
.htouch-module__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.htouch-module__body h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.005em;
}
.htouch-module__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  opacity: 0.82;
}

/* Applications row — three cards */
.htouch-applications {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
@media (max-width: 880px) { .htouch-applications { grid-template-columns: 1fr; } }

.htouch-app {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: #0a1820;
  color: #fff;
}
.htouch-app img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.78);
  transition: transform 0.5s ease, filter 0.4s ease;
}
.htouch-app:hover img { transform: scale(1.05); filter: brightness(0.88); }
.htouch-app::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,0.78) 100%);
  pointer-events: none;
}
.htouch-app__body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: var(--space-5);
  z-index: 2;
}
.htouch-app__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.88;
  margin: 0 0 6px;
  color: #c8f4ff;
}
.htouch-app h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

/* Vision/thermal big image band */
.htouch-vision-band {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-top: var(--space-6);
}
@media (max-width: 960px) { .htouch-vision-band { grid-template-columns: 1fr; } }
.htouch-vision-band__media {
  border-radius: 14px;
  overflow: hidden;
  background: #0a1820;
}
.htouch-vision-band__media img {
  width: 100%; height: auto; display: block;
}
.htouch-vision-band ul {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.htouch-vision-band li {
  padding-left: 28px;
  position: relative;
  font-size: 1.02rem;
  line-height: 1.55;
}
.htouch-vision-band li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 16px; height: 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #00d9f5, #0099b8);
  box-shadow: 0 0 0 4px rgba(0, 217, 245, 0.12);
}

/* ============================================
   Footer v2 — 6-column symmetric with centered brand
   ============================================ */
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.4fr 1fr 1fr;
  gap: var(--space-7);
  align-items: start;
  text-align: left;
}
.site-footer__col--center {
  text-align: center;
}
.site-footer__col--center .brand {
  justify-content: center;
  margin: 0 auto var(--space-3);
}
.site-footer__col--center .site-footer__about {
  margin: 0 auto;
  max-width: 28ch;
}
.site-footer__col h4 {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3);
}
@media (max-width: 1180px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .site-footer__col--center {
    grid-column: 1 / -1;
    order: -1;
  }
}
@media (max-width: 720px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Chamber card badges (PEMF page)
   ============================================ */
.chamber-card__badges {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  z-index: 2;
}
.chamber-card__badge {
  background: rgba(10, 14, 22, 0.78);
  color: #fff;
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid rgba(255,255,255,0.12);
}
.chamber-card__media {
  position: relative; /* ensure absolute badges anchor here */
}

/* ============================================
   Stats Strip — product pages
   ============================================ */
.stats-strip {
  background: var(--bg-soft);
  padding: var(--space-8) 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.stats-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  align-items: center;
}
.stats-strip__item {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stats-strip__value {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.stats-strip__label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  opacity: 0.7;
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .stats-strip__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
}

/* ============================================
   Next / Up-next cross-link card
   ============================================ */
.next-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-8);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(31,182,255,0.04), rgba(138,92,246,0.04));
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.next-link:hover {
  transform: translateY(-2px);
  border-color: rgba(31,182,255,0.25);
  background: linear-gradient(135deg, rgba(31,182,255,0.08), rgba(138,92,246,0.08));
}
.next-link__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.6;
}
.next-link__title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
}
.next-link__arrow {
  font-size: 1.5rem;
  opacity: 0.6;
  transition: transform 0.2s ease;
}
.next-link:hover .next-link__arrow {
  transform: translateX(4px);
  opacity: 1;
}
@media (max-width: 640px) {
  .next-link { grid-template-columns: 1fr; text-align: left; }
}
