/* ==========================================================================
   AMEYRA GLOBAL — Core Stylesheet
   Engineering Recovery. Advancing Human Performance.
   Design tokens derived from the AMEYRA Digital Design System.
   ========================================================================== */

/* ----------------------------------------------------------------------------
   1. DESIGN TOKENS
   All :root custom properties live in css/variables.css (loaded before this
   file). Keeping tokens separate avoids duplication across the system.
   ---------------------------------------------------------------------------- */

/* ----------------------------------------------------------------------------
   2. RESET & BASE
   ---------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  /* No CSS smooth-scroll: the wheel/keyboard must move the page natively and
     instantly (no animated/hijacked feel). Anchor clicks opt into smooth via JS. */
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-feature-settings: "kern", "liga";
}

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

img { height: auto; }

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul { list-style: none; }

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

::selection {
  background: var(--stone);
  color: var(--white);
}

:focus-visible {
  outline: 2px solid var(--stone-deep);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ----------------------------------------------------------------------------
   3. TYPOGRAPHY
   ---------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}
/* Playfair Display is reserved exclusively for the hero / page H1 */
.hero-title, .page-hero h1, .re-hero h1 { font-family: var(--font-display); font-weight: 600; }

.display {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.015em;
}

p { text-wrap: pretty; }

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.eyebrow.is-centered { justify-content: center; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--gray-700);
  font-weight: 400;
}

.muted { color: var(--gray-500); }

.text-balance { text-wrap: balance; }

/* ----------------------------------------------------------------------------
   4. LAYOUT
   ---------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(48px, 7vw, 96px); }
.section--graphite {
  background: var(--graphite);
  color: var(--ivory);
}
.section--graphite h1,
.section--graphite h2,
.section--graphite h3,
.section--graphite h4 { color: var(--white); }
.section--ivory { background: var(--ivory); }
.section--white { background: var(--white); }

.section-head {
  max-width: 760px;
  /* Fluid head→content gap: matches the site's fluid rhythm — tighter on
     mobile, ~64px on desktop (no longer a fixed value that felt loose small). */
  margin-bottom: clamp(44px, 8vw, 64px);
}
.section-head.is-centered {
  margin-inline: auto;
  text-align: center;
}
.section-head h2 {
  font-size: var(--fs-h2);
  margin-top: var(--sp-4);
}
.section-head .lead { margin-top: var(--sp-5); }

.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}

/* ----------------------------------------------------------------------------
   5. LOGO GEOMETRY — Arc & Fold primitives
   ---------------------------------------------------------------------------- */
/* Recovery Arc divider */
.arc-divider {
  display: block;
  width: 100%;
  height: 64px;
  color: var(--accent);
  opacity: 0.5;
}

/* Engineering-fold corner cut (applied to cards/panels) */
.fold-corner {
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}
.fold-corner-tr { clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 0 100%); }
.fold-corner-bl { clip-path: polygon(0 0, 100% 0, 100% 100%, 32px 100%, 0 calc(100% - 32px)); }

/* Faint logo-derived background pattern */
.geo-bg {
  position: relative;
  overflow: hidden;
}
.geo-bg > * { position: relative; z-index: 1; }
.geo-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("../assets/icons/logo-symbol.svg");
  background-repeat: no-repeat;
  background-position: right -140px top -90px;
  background-size: 560px;
  opacity: 0.05;
  pointer-events: none;
}

/* ----------------------------------------------------------------------------
   6. BUTTONS
   ---------------------------------------------------------------------------- */
.btn {
  --btn-pad-y: 15px;
  --btn-pad-x: 30px;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 100px;
  transition: transform 0.4s var(--ease-flow), background 0.4s var(--ease-flow),
    color 0.4s var(--ease-flow), box-shadow 0.4s var(--ease-flow), border-color 0.4s var(--ease-flow);
  will-change: transform;
}
.btn svg { width: 16px; height: 16px; transition: transform 0.4s var(--ease-flow); }

.btn--primary {
  background: var(--graphite);
  color: var(--ivory);
}
.btn--primary:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--ink);
}
.btn--primary:hover svg { transform: translateX(4px); }

.btn--stone {
  background: var(--stone);
  color: var(--graphite);
}
.btn--stone:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--stone-deep);
  color: var(--white);
}
.btn--stone:hover svg { transform: translateX(4px); }

.btn--ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn--ghost:hover {
  background: var(--graphite);
  color: var(--ivory);
  border-color: var(--graphite);
  transform: translateY(-4px);
}
.btn--ghost:hover svg { transform: translateX(4px); }

.section--graphite .btn--ghost { border-color: rgba(247, 245, 240, 0.25); color: var(--ivory); }
.section--graphite .btn--ghost:hover { background: var(--ivory); color: var(--graphite); }

/* Text button with animated arrow */
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--accent-deep);
  position: relative;
}
.btn-text svg { width: 18px; height: 18px; transition: transform 0.4s var(--ease-flow); }
.btn-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-flow);
}
.btn-text:hover svg { transform: translateX(5px); }
.btn-text:hover::after { transform: scaleX(1); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-7);
}

/* ----------------------------------------------------------------------------
   7. CARDS
   ---------------------------------------------------------------------------- */
.card {
  position: relative;
  background: var(--white);
  border-radius: var(--r-hero);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-xs);
  transition: transform 0.5s var(--ease-flow), box-shadow 0.5s var(--ease-flow);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* Value / feature card */
.value-card {
  padding: var(--sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-height: 260px;
}
.value-card .vc-index {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--accent);
}
.value-card .vc-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-deep);
  margin-bottom: var(--sp-2);
}
.value-card h3 { font-size: var(--fs-h4); }
.value-card p { color: var(--gray-500); font-size: var(--fs-small); }

/* Product card */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--r-hero);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform 0.5s var(--ease-flow), box-shadow 0.5s var(--ease-flow);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.product-card .pc-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(160deg, var(--gray-100), var(--ivory));
  display: grid;
  place-items: center;
}
.product-card .pc-media img {
  width: 88%;
  height: 88%;
  object-fit: contain;
  transition: transform 0.7s var(--ease-flow);
}
.product-card:hover .pc-media img { transform: scale(1.04); }
.product-card .pc-body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}
.product-card .pc-cat {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-deep);
}
.product-card h3 {
  font-family: var(--font-body);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
}
.product-card .pc-desc { font-size: var(--fs-small); color: var(--gray-500); flex: 1; }
.product-card .pc-foot { margin-top: var(--sp-3); }

.tag {
  align-self: flex-start;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--gray-100);
  color: var(--gray-500);
}
.tag--soon { background: rgba(183, 163, 138, 0.18); color: var(--stone-deep); }

/* ----------------------------------------------------------------------------
   8. STATISTICS
   ---------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  border-top: 1px solid var(--line);
  padding-top: var(--sp-7);
}
.stat .stat-num {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  line-height: 1;
  color: var(--ink);
}
.section--graphite .stat .stat-num { color: var(--white); }
.stat .stat-label {
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  color: var(--gray-500);
  letter-spacing: 0.02em;
}
.section--graphite .stat .stat-label { color: var(--gray-400); }

/* ----------------------------------------------------------------------------
   9. TIMELINE
   ---------------------------------------------------------------------------- */
.timeline {
  position: relative;
  margin-top: var(--sp-8);
  padding-left: 40px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}
.timeline-line {
  position: absolute;
  left: 7px;
  top: 6px;
  width: 1px;
  background: var(--accent);
  height: 0;
}
.tl-item {
  position: relative;
  padding-bottom: var(--sp-8);
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -40px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ivory);
  border: 2px solid var(--accent);
  transition: background 0.4s var(--ease-flow), transform 0.4s var(--ease-flow);
}
.tl-item:hover::before { background: var(--accent); transform: scale(1.15); }
.tl-year {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-deep);
}
.tl-item h3 {
  font-family: var(--font-body);
  font-size: var(--fs-h3);
  margin: var(--sp-2) 0 var(--sp-3);
}
.tl-item p { color: var(--gray-500); max-width: 620px; }

/* ----------------------------------------------------------------------------
   10. ACCORDION
   ---------------------------------------------------------------------------- */
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-6) 0;
  text-align: left;
  font-size: var(--fs-h4);
  font-weight: 500;
  color: var(--ink);
}
.acc-trigger .acc-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  position: relative;
  transition: transform 0.4s var(--ease-flow);
}
.acc-trigger .acc-icon::before,
.acc-trigger .acc-icon::after {
  content: "";
  position: absolute;
  background: var(--accent-deep);
  transition: opacity 0.3s var(--ease-flow);
}
.acc-trigger .acc-icon::before { left: 0; top: 50%; width: 100%; height: 1.5px; transform: translateY(-50%); }
.acc-trigger .acc-icon::after { top: 0; left: 50%; height: 100%; width: 1.5px; transform: translateX(-50%); }
.acc-item.is-open .acc-icon::after { opacity: 0; }
.acc-panel {
  overflow: hidden;
  height: 0;
  transition: height 0.5s var(--ease-flow);
}
.acc-panel-inner {
  padding-bottom: var(--sp-6);
  color: var(--gray-500);
  max-width: 760px;
}

/* ----------------------------------------------------------------------------
   12. GALLERY
   ---------------------------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
}
.gallery figure {
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--gray-100);
}
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1;
  transition: transform 0.8s var(--ease-flow);
}
.gallery figure:hover img { transform: scale(1.05); }
.g-wide { grid-column: span 8; }
.g-tall { grid-column: span 4; }
.g-half { grid-column: span 6; }
.g-third { grid-column: span 4; }
.gallery img.is-contain { object-fit: contain; padding: var(--sp-5); }

/* ----------------------------------------------------------------------------
   13. FORMS
   ---------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
.field { display: flex; flex-direction: column; gap: var(--sp-2); }
.field.is-full { grid-column: 1 / -1; }
.field label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--gray-700);
}
.field input,
.field textarea,
.field select {
  padding: 15px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: border-color 0.3s var(--ease-flow), box-shadow 0.3s var(--ease-flow);
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--stone);
  box-shadow: 0 0 0 4px rgba(183, 163, 138, 0.16);
}
.field.has-error input,
.field.has-error textarea { border-color: #C9756B; box-shadow: 0 0 0 4px rgba(201, 117, 107, 0.12); }
.field.is-valid input,
.field.is-valid textarea { border-color: #6FA88F; }
.field .err-msg { font-size: 0.78rem; color: #C9756B; min-height: 1em; }
.form-status {
  margin-top: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-sm);
  font-size: var(--fs-small);
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-success { background: rgba(111, 168, 143, 0.14); color: #3f7a5f; border: 1px solid rgba(111, 168, 143, 0.4); }
.form-status.is-error { background: rgba(201, 117, 107, 0.12); color: #b0574c; border: 1px solid rgba(201, 117, 107, 0.4); }

/* ----------------------------------------------------------------------------
   14. CTA BANNER
   ---------------------------------------------------------------------------- */
.cta-banner {
  position: relative;
  background: var(--graphite);
  color: var(--ivory);
  border-radius: var(--r-panel);
  padding: clamp(48px, 7vw, 96px);
  overflow: hidden;
  text-align: center;
}
.cta-banner h2 {
  font-family: var(--font-body);
  color: var(--white);
  font-size: var(--fs-h2);
  max-width: 720px;
  margin-inline: auto;
}
.cta-banner p { color: var(--gray-400); max-width: 560px; margin: var(--sp-5) auto 0; }
.cta-banner .btn-row { justify-content: center; }
.cta-banner::after {
  content: "";
  position: absolute;
  right: -160px;
  bottom: -200px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  border: 1px solid rgba(183, 163, 138, 0.25);
  pointer-events: none;
}

/* ----------------------------------------------------------------------------
   15. UTILITIES
   ---------------------------------------------------------------------------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-7); }
.mb-6 { margin-bottom: var(--sp-7); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.no-scroll { overflow: hidden; }

/* ==========================================================================
   16. PRELOADER & CUSTOM CURSOR
   ========================================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--ivory);
  display: grid;
  place-items: center;
  transition: opacity 0.8s var(--ease-flow), visibility 0.8s var(--ease-flow);
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader .pl-mark { width: 92px; height: 92px; }
.preloader .pl-word {
  margin-top: var(--sp-4);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gray-400);
  text-align: center;
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9000;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor-dot { width: 6px; height: 6px; background: var(--stone-deep); }
.cursor-ring {
  width: 38px; height: 38px;
  border: 1px solid rgba(156, 135, 108, 0.5);
  transition: width 0.3s var(--ease-flow), height 0.3s var(--ease-flow),
    background 0.3s var(--ease-flow), border-color 0.3s var(--ease-flow);
}
.cursor-ring.is-hover {
  width: 64px; height: 64px;
  background: rgba(183, 163, 138, 0.12);
  border-color: transparent;
}
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ==========================================================================
   17. NAVIGATION
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease-flow), box-shadow 0.5s var(--ease-flow),
    backdrop-filter 0.5s var(--ease-flow), height 0.5s var(--ease-flow);
}
.nav.is-scrolled {
  height: 64px;
  background: rgba(247, 245, 240, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 1px 0 var(--line-soft);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.nav-logo img { height: 46px; width: auto; transition: height 0.5s var(--ease-flow); }
.nav.is-scrolled .nav-logo img { height: 36px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
}
.nav-links a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  padding: 6px 0;
  transition: color 0.3s var(--ease-flow);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--accent-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-flow);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }
.nav-links a.is-active { color: var(--ink); }

.nav-cta { display: inline-flex; }

/* Light nav over dark heroes (until scrolled) */
body[data-nav-theme="dark"] .nav:not(.is-scrolled) .nav-links a { color: rgba(247, 245, 240, 0.82); }
body[data-nav-theme="dark"] .nav:not(.is-scrolled) .nav-links a:hover,
body[data-nav-theme="dark"] .nav:not(.is-scrolled) .nav-links a.is-active { color: var(--white); }
body[data-nav-theme="dark"] .nav:not(.is-scrolled) .nav-logo img { filter: brightness(0) invert(1); }
body[data-nav-theme="dark"] .nav:not(.is-scrolled) .nav-toggle span { background: var(--ivory); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
  z-index: 2;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.4s var(--ease-flow), opacity 0.3s var(--ease-flow), width 0.4s var(--ease-flow);
}
.nav-toggle span:nth-child(2) { width: 18px; }
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); width: 26px; }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); width: 26px; }

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--ivory);
  padding: calc(var(--nav-h) + 40px) var(--gutter) var(--gutter);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  transition: transform 0.7s var(--ease-flow);
  visibility: hidden;
}
body.menu-open .mobile-menu { transform: translateY(0); visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; gap: var(--sp-2); }
.mobile-menu nav a {
  font-family: var(--font-body);
  font-size: clamp(2rem, 8vw, 3rem);
  color: var(--ink);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--line-soft);
  opacity: 0;
  transform: translateY(20px);
}
body.menu-open .mobile-menu nav a { animation: menuIn 0.6s var(--ease-flow) forwards; }
.mobile-menu nav a:nth-child(1) { animation-delay: 0.10s; }
.mobile-menu nav a:nth-child(2) { animation-delay: 0.16s; }
.mobile-menu nav a:nth-child(3) { animation-delay: 0.22s; }
.mobile-menu nav a:nth-child(4) { animation-delay: 0.28s; }
.mobile-menu nav a:nth-child(5) { animation-delay: 0.34s; }
.mobile-menu nav a:nth-child(6) { animation-delay: 0.40s; }
.mobile-menu nav a:nth-child(7) { animation-delay: 0.46s; }
.mobile-menu .mm-foot { font-size: var(--fs-small); color: var(--gray-500); }
.mobile-menu .mm-foot a { font-size: var(--fs-small); border: 0; padding: 0; }
@keyframes menuIn { to { opacity: 1; transform: translateY(0); } }

/* ==========================================================================
   18. HERO (Home)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  width: 100%;
}
.hero-copy { max-width: 620px; }
.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 1.1;
  letter-spacing: 0.002em;
  margin: var(--sp-5) 0 var(--sp-5);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
/* extra breathing room so ascenders/descenders (G, Y, g, y) never clip or collide */
.hero-title .ln { display: block; overflow: hidden; padding: 0.04em 0; }
.hero-title .ln span { display: block; }
.hero-sub {
  font-size: var(--fs-lead);
  color: var(--gray-700);
  max-width: 480px;
}
.hero-eyebrow { letter-spacing: 0.3em; }

/* Hero logo stage */
.hero-stage {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.hero-stage .stage-ring {
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  border: 1px solid var(--line);
}
.hero-stage .stage-ring.r2 { inset: 16%; border-color: var(--line-soft); }
.hero-mark {
  width: 64%;
  height: 64%;
  position: relative;
  z-index: 2;
}
.hero-mark svg { width: 100%; height: 100%; overflow: visible; }
.hero-stage .float-chip {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gray-700);
  z-index: 3;
  white-space: nowrap;
}
.hero-stage .chip-1 { top: 12%; right: 2%; }
.hero-stage .chip-2 { bottom: 16%; left: -2%; }
.hero-stage .chip-3 { bottom: 4%; right: 14%; }

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.hero-scroll .line {
  width: 1px; height: 48px;
  background: linear-gradient(var(--accent), transparent);
}

/* ==========================================================================
   19. PHILOSOPHY STATEMENT
   ========================================================================== */
.statement { text-align: center; }
.statement .display {
  font-size: clamp(1.9rem, 4.6vw, 3.6rem);
  line-height: 1.18;
  max-width: 14ch;
  margin-inline: auto;
}
.statement-lg .display { max-width: 22ch; }
.statement .lead { max-width: 620px; margin: var(--sp-6) auto 0; }

/* ==========================================================================
   20. PAGE HERO (interior pages)
   ========================================================================== */
.page-hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(48px, 9vw, 130px));
  padding-bottom: clamp(48px, 8vw, 110px);
  overflow: hidden;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  max-width: 16ch;
  margin-top: var(--sp-5);
}
.page-hero .lead { max-width: 620px; margin-top: var(--sp-6); }
.page-hero--product { background: var(--graphite); color: var(--ivory); }
.page-hero--product h1 { color: var(--white); }
.page-hero--product .lead { color: var(--gray-400); }

/* Split product hero */
.prod-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.prod-hero-media {
  border-radius: var(--r-panel);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: radial-gradient(circle at 60% 40%, rgba(255,255,255,0.08), transparent 70%);
  display: grid;
  place-items: center;
}
.prod-hero-media img { width: 92%; height: 92%; object-fit: contain; }

/* ==========================================================================
   21. FEATURE LIST (icon rows)
   ========================================================================== */
.feature-list { display: grid; gap: var(--sp-2); }
.feature-row {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--line);
}
.feature-row .fr-mark {
  flex-shrink: 0;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  color: var(--accent-deep);
}
.feature-row .fr-mark svg { width: 22px; height: 22px; }
.feature-row h4 { font-size: var(--fs-h4); font-weight: 500; }
.feature-row p { font-size: var(--fs-small); color: var(--gray-500); margin-top: 2px; }

/* spec / mini-feature grid */
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.spec {
  padding: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
}
.spec .spec-k { font-size: var(--fs-eyebrow); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.spec .spec-v { font-family: var(--font-body); font-size: 1.5rem; margin-top: var(--sp-2); }

/* ==========================================================================
   22. INDUSTRY / FULLSCREEN PANELS
   ========================================================================== */
.industry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 460px;
  border-top: 1px solid var(--line);
}
.industry:nth-child(even) .ind-media { order: 2; }
.industry-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-4);
  padding: clamp(32px, 5vw, 72px);
}
.industry-body h3 { font-family: var(--font-body); font-size: var(--fs-h2); }
.industry-body p { color: var(--gray-500); max-width: 46ch; }
.ind-media {
  position: relative;
  overflow: hidden;
  background: var(--graphite);
  display: grid; place-items: center;
  min-height: 320px;
}
.ind-media .ind-index {
  font-family: var(--font-body);
  font-size: clamp(5rem, 14vw, 11rem);
  color: rgba(247, 245, 240, 0.08);
  line-height: 1;
}
.ind-media .ind-icon { position: absolute; width: 30%; max-width: 150px; color: rgba(183,163,138,0.5); }

/* chips */
.chip-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-2); }
.chip {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--gray-700);
}

/* ==========================================================================
   25. FOOTER
   ========================================================================== */
.footer {
  background: var(--graphite);
  color: var(--ivory);
  padding-top: var(--sp-10);
}
.footer a { color: var(--gray-400); transition: color 0.3s var(--ease-flow); }
.footer a:hover { color: var(--white); }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--sp-7);
  padding-bottom: var(--sp-9);
  border-bottom: 1px solid rgba(247,245,240,0.1);
}
.footer-brand img { height: 40px; margin-bottom: var(--sp-5); filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand p { color: var(--gray-400); max-width: 34ch; font-size: var(--fs-small); }
.footer-col h4 {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: var(--sp-5);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-col a, .footer-col p { font-size: var(--fs-small); }
.footer-address { display: block; font-style: normal; font-size: var(--fs-small); line-height: 1.7; color: var(--gray-500); margin-top: var(--sp-4); }
.mobile-menu .mm-address { display: block; font-style: normal; line-height: 1.6; color: var(--gray-500); margin-top: var(--sp-3); }
.newsletter { display: flex; gap: var(--sp-2); margin-top: var(--sp-4); }
.newsletter input {
  flex: 1;
  background: rgba(247,245,240,0.06);
  border: 1px solid rgba(247,245,240,0.14);
  border-radius: 100px;
  padding: 12px 18px;
  color: var(--ivory);
  font-size: var(--fs-small);
}
.newsletter input::placeholder { color: var(--gray-400); }
.newsletter button {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--stone);
  color: var(--graphite);
  display: grid; place-items: center;
  transition: background 0.3s var(--ease-flow), transform 0.3s var(--ease-flow);
}
.newsletter button:hover { background: var(--white); transform: translateX(3px); }
.footer-mega {
  font-family: var(--font-body);
  font-size: clamp(3.5rem, 17vw, 16rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: rgba(247,245,240,0.05);
  text-align: center;
  padding-block: var(--sp-7) 0;
  user-select: none;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
  padding-block: var(--sp-6);
  border-top: 1px solid rgba(247,245,240,0.1);
  font-size: var(--fs-small);
  color: var(--gray-400);
}
.footer-bottom nav { display: flex; gap: var(--sp-5); }

/* ==========================================================================
   26. PRODUCT PAGE ACCENT THEMING
   ========================================================================== */
.theme-oxyzen { --accent: var(--oxyzen); --accent-deep: #3f76ad; }
.theme-hydrozen { --accent: var(--hydrozen); --accent-deep: #2f726d; }
.theme-nitrozen { --accent: var(--nitrozen); --accent-deep: #4f9ed1; }
.theme-aurozen { --accent: var(--aurozen); --accent-deep: #9a724f; }
.theme-thermazen { --accent: var(--thermazen); --accent-deep: #b3742f; }
.accent-text { color: var(--accent-deep); }
.accent-bar { width: 56px; height: 3px; background: var(--accent); border-radius: 2px; }

/* ==========================================================================
   27. SCROLL PROGRESS BAR
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--stone), var(--stone-deep));
  z-index: 1100;
  will-change: transform;
}

/* ==========================================================================
   28. SCROLL TO TOP
   ========================================================================== */
.scroll-top {
  position: fixed;
  right: clamp(16px, 3vw, 40px);
  bottom: clamp(16px, 3vw, 40px);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--graphite);
  color: var(--ivory);
  display: grid;
  place-items: center;
  z-index: 900;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity 0.4s var(--ease-flow), transform 0.4s var(--ease-flow),
    visibility 0.4s var(--ease-flow), background 0.3s var(--ease-flow);
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.scroll-top:hover { background: var(--stone); color: var(--graphite); transform: translateY(-3px) scale(1); }
.scroll-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   29. PAGE TRANSITION OVERLAY
   ========================================================================== */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 9500;
  background: var(--graphite);
  display: grid;
  place-items: center;
  transform: translateY(100%);
  pointer-events: none;
  will-change: transform;
}
.page-transition .pt-mark { width: 78px; height: 78px; opacity: 0; transition: opacity 0.4s var(--ease-flow); }
.page-transition.is-covering { transform: translateY(0); transition: transform 0.6s var(--ease-precise); pointer-events: all; }
.page-transition.is-covering .pt-mark { opacity: 1; }
.page-transition.is-revealing { transform: translateY(-100%); transition: transform 0.7s var(--ease-precise); }

/* Fresh-load reveal of body content */
.pt-enter { animation: ptEnter 0.8s var(--ease-flow) both; }
@keyframes ptEnter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ==========================================================================
   30. MAGNETIC BUTTONS
   ========================================================================== */
.magnetic { will-change: transform; }
.magnetic > * { pointer-events: none; }

/* ==========================================================================
   32. SOCIAL LINKS
   ========================================================================== */
.social-row { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.social-link {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--gray-700);
  transition: transform 0.4s var(--ease-flow), background 0.4s var(--ease-flow), color 0.4s var(--ease-flow), border-color 0.4s var(--ease-flow);
}
.social-link:hover { background: var(--graphite); color: var(--ivory); border-color: var(--graphite); transform: translateY(-3px); }
.social-link svg { width: 20px; height: 20px; }

/* ==========================================================================
   33. RECOVERY ENGINEERING — Innovation page
   Visionary, scroll-driven narrative. Built from arc + fold geometry.
   ========================================================================== */

/* --- Visionary hero --- */
.re-hero {
  position: relative;
  min-height: 94svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 48px);
  padding-bottom: 64px;
  overflow: hidden;
  background: var(--ivory);
}
.re-hero .container { position: relative; z-index: 2; }
.re-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  max-width: 15ch;
  margin-top: var(--sp-5);
}
.re-hero h1 em { font-style: normal; color: var(--stone-deep); }
.re-hero .lead { max-width: 600px; margin-top: var(--sp-6); }
.re-hero-glyph {
  position: absolute;
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  width: min(58vw, 820px);
  z-index: 1;
  opacity: 0.9;
  pointer-events: none;
}
.re-hero-glyph .rg-ring { fill: none; stroke: var(--line); stroke-width: 1; }
.re-hero-glyph img { width: 100%; opacity: 0.85; }
.re-hero-tags {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-top: var(--sp-7);
}

/* --- Section eyebrow numeral --- */
.re-chapter { display: flex; align-items: baseline; gap: var(--sp-4); margin-bottom: var(--sp-4); }
.re-chapter .re-num {
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--accent);
  opacity: 0.6;
}

/* --- Evolution of recovery (eras) --- */
.eras { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); }
.era {
  position: relative;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--line);
}
.era .era-tag {
  font-size: var(--fs-eyebrow); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gray-400); font-weight: 600;
}
.era h3 { font-family: var(--font-body); font-size: var(--fs-h3); margin: var(--sp-3) 0; }
.era p { color: var(--gray-500); font-size: var(--fs-small); max-width: 34ch; }
.era .era-num {
  position: absolute; right: 0; top: var(--sp-6);
  font-family: var(--font-body); font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1; color: var(--line);
}
.era.is-now { border-top-color: var(--stone); }
.era.is-now .era-tag { color: var(--stone-deep); }
.era.is-now .era-num { color: var(--stone); opacity: 0.5; }

/* --- Six pillars --- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.pillar {
  position: relative;
  padding: var(--sp-6);
  border-radius: var(--r-hero);
  border: 1px solid var(--line-soft);
  background: var(--white);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform 0.5s var(--ease-flow), box-shadow 0.5s var(--ease-flow), border-color 0.5s var(--ease-flow);
}
.pillar::after {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s var(--ease-flow);
}
.pillar:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.pillar:hover::after { transform: scaleX(1); }
.pillar .pillar-el { font-size: var(--fs-eyebrow); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.pillar .pillar-icon { width: 46px; height: 46px; color: var(--accent-deep); margin: var(--sp-5) 0 var(--sp-4); }
.pillar .pillar-icon svg { width: 100%; height: 100%; }
.pillar h3 { font-family: var(--font-body); font-size: 1.55rem; }
.pillar .pillar-prod { font-size: var(--fs-small); font-weight: 600; color: var(--accent-deep); margin-top: 4px; }
.pillar p { font-size: var(--fs-small); color: var(--gray-500); margin-top: var(--sp-3); }

/* --- Connected ecosystem interactive diagram (dark) --- */
.ecosystem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.eco-stage {
  --r: clamp(116px, 19vw, 196px);
  --ns: clamp(78px, 11vw, 108px);
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 540px;
  margin-inline: auto;
}
.eco-ring {
  position: absolute; inset: 6%;
  border-radius: 50%;
  border: 1px dashed rgba(247, 245, 240, 0.16);
}
.eco-ring.r2 { inset: 22%; border-style: solid; border-color: rgba(247, 245, 240, 0.08); }
.eco-core {
  position: absolute; top: 50%; left: 50%;
  width: 30%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(247, 245, 240, 0.05);
  border: 1px solid rgba(247, 245, 240, 0.14);
}
.eco-core img { width: 62%; }
.eco-core .eco-core-label {
  position: absolute; bottom: -28px; left: 50%; transform: translateX(-50%);
  font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--stone); white-space: nowrap;
}
.eco-node {
  position: absolute; top: 50%; left: 50%;
  width: var(--ns); height: var(--ns);
  margin: calc(var(--ns) / -2);
  border-radius: 50%;
  transform: rotate(var(--a)) translateY(calc(var(--r) * -1)) rotate(calc(var(--a) * -1));
  background: rgba(247, 245, 240, 0.06);
  border: 1px solid rgba(247, 245, 240, 0.16);
  color: var(--ivory);
  display: grid; place-items: center;
  text-align: center; line-height: 1.15;
  cursor: pointer;
  transition: background 0.4s var(--ease-flow), border-color 0.4s var(--ease-flow), transform 0.5s var(--ease-flow);
}
.eco-node .en-el { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em; }
.eco-node .en-prod { font-size: 0.56rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-400); margin-top: 2px; }
.eco-node:hover { background: rgba(247, 245, 240, 0.12); }
.eco-node.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--graphite);
}
.eco-node.is-active .en-prod { color: rgba(42, 42, 42, 0.65); }

.eco-detail { min-height: 220px; }
.eco-detail .ed-el { font-size: var(--fs-eyebrow); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.eco-detail h3 { font-family: var(--font-body); font-size: var(--fs-h2); color: var(--white); margin: var(--sp-3) 0 var(--sp-4); }
.eco-detail p { color: var(--gray-400); max-width: 42ch; }
.eco-detail .ed-tags { margin-top: var(--sp-5); }
.eco-detail .chip { border-color: rgba(247, 245, 240, 0.2); color: var(--gray-400); }

/* --- Future ecosystem lineup --- */
.future-lineup { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--sp-4); }
.fl-item {
  position: relative;
  padding: var(--sp-5) var(--sp-4) var(--sp-6);
  border-top: 2px solid var(--accent);
  transition: transform 0.4s var(--ease-flow);
}
.fl-item:hover { transform: translateY(-6px); }
.fl-item .fl-el { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.fl-item h4 { font-family: var(--font-body); font-size: 1.3rem; margin: var(--sp-2) 0; }
.fl-item p { font-size: var(--fs-small); color: var(--gray-500); }
.fl-item .fl-status { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); margin-top: var(--sp-3); display: block; }

/* --- Big vision statement number --- */
.vision-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.vision-metric .vm-num { font-family: var(--font-body); font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1; color: var(--white); }
.vision-metric .vm-label { color: var(--gray-400); font-size: var(--fs-small); margin-top: var(--sp-3); }

/* ==========================================================================
   34. ELEVATION PASS — cinematic hero, future section, lightbox, dividers
   Additive polish. Preserves architecture & content.
   ========================================================================== */

/* --- 34.1 Cinematic hero scene --- */
.hero-scene { perspective: 1500px; }
.hero-glow {
  position: absolute; inset: -12%;
  z-index: 0;
  background: radial-gradient(circle at 56% 42%, rgba(183, 163, 138, 0.24), transparent 60%);
  pointer-events: none;
}
.hero-mark.behind { position: absolute; inset: 21%; z-index: 1; opacity: 0.4; }
.hero-prod { position: absolute; will-change: transform; }
.hero-prod .hp-inner {
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line-soft);
  box-shadow: 0 44px 80px rgba(0, 0, 0, 0.18), 0 10px 24px rgba(0, 0, 0, 0.06);
  animation: heroFloat 8s ease-in-out infinite;
  transform-style: preserve-3d;
}
.hero-prod .hp-inner img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.hero-prod.oxy { width: 56%; top: 3%; right: 0; z-index: 3; }
.hero-prod.oxy .hp-inner img {
  object-fit: contain;
  padding: 7%;
  background: linear-gradient(160deg, #ffffff, var(--ivory));
}
.hero-prod.hyd { width: 45%; bottom: 1%; left: -4%; z-index: 2; }
.hero-prod.hyd .hp-inner { animation-duration: 9.6s; animation-delay: -3s; }
.hero-prod .hp-tag {
  position: absolute; left: 14px; bottom: 12px;
  font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600;
  color: var(--white);
  background: rgba(42, 42, 42, 0.55);
  backdrop-filter: blur(6px);
  padding: 5px 12px; border-radius: 100px;
  z-index: 2;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0) scale(1) rotate(-0.6deg); }
  50% { transform: translateY(-14px) scale(1.012) rotate(0.6deg); }
}

/* --- 34.2 Future of Recovery section --- */
.future-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.future-card {
  display: flex; flex-direction: column;
  border-radius: var(--r-hero);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-xs);
  transition: transform 0.55s var(--ease-flow), box-shadow 0.55s var(--ease-flow), border-color 0.55s var(--ease-flow);
}
.future-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.future-card .fc-media {
  position: relative;
  aspect-ratio: 4 / 3.3;
  display: grid; place-items: center;
  overflow: hidden;
}
.future-card .fc-media img { width: 84%; height: 84%; object-fit: contain; transition: transform 0.75s var(--ease-flow); }
.future-card:hover .fc-media img { transform: scale(1.05); }
.future-card .fc-media .fc-soon {
  position: absolute; top: 18px; left: 18px;
  font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600;
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(6px);
  padding: 6px 14px; border-radius: 100px;
}
.future-card .fc-body { padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3); flex: 1; }
.future-card .fc-el { font-size: var(--fs-eyebrow); letter-spacing: 0.18em; text-transform: uppercase; font-weight: 600; color: var(--accent-deep); }
.future-card h3 { font-family: var(--font-body); font-size: clamp(1.7rem, 2.6vw, 2.2rem); }
.future-card .fc-role { font-size: var(--fs-small); font-weight: 600; color: var(--gray-700); margin-top: -6px; }
.future-card .fc-desc { font-size: var(--fs-small); color: var(--gray-500); flex: 1; }
.future-card .fc-bar { height: 3px; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.6s var(--ease-flow); }
.future-card:hover .fc-bar { transform: scaleX(1); }

/* --- 34.3 Logo-derived section dividers --- */
.section-divider { display: block; width: 100%; line-height: 0; overflow: hidden; background: inherit; }
.section-divider svg { width: 100%; height: clamp(46px, 6vw, 96px); display: block; }
.section-divider path { fill: none; stroke: var(--line); stroke-width: 1.25; }
.section-divider .sd-accent { stroke: var(--accent); opacity: 0.6; }

/* --- 34.4 Image hover-zoom (broad) --- */
.zoom { overflow: hidden; }
.zoom img { transition: transform 0.8s var(--ease-flow); }
.zoom:hover img { transform: scale(1.05); }
.split-media .parallax-media img,
.prod-hero-media img { transition: transform 0.8s var(--ease-flow); }
.prod-hero-media:hover img { transform: scale(1.03); }

/* --- 34.5 Lightbox --- */
.gallery figure { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 9600;
  background: rgba(20, 19, 17, 0.92);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  display: grid; place-items: center;
  padding: clamp(20px, 5vw, 72px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.45s var(--ease-flow), visibility 0.45s var(--ease-flow);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: 92vw; max-height: 84vh;
  border-radius: var(--r-md);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
  transform: scale(0.94); opacity: 0;
  transition: transform 0.5s var(--ease-flow), opacity 0.4s var(--ease-flow);
  object-fit: contain;
  background: var(--white);
}
.lightbox.is-open .lightbox-img { transform: scale(1); opacity: 1; }
.lb-btn {
  position: absolute;
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(247, 245, 240, 0.1);
  border: 1px solid rgba(247, 245, 240, 0.2);
  color: var(--ivory);
  transition: background 0.3s var(--ease-flow), transform 0.3s var(--ease-flow);
}
.lb-btn:hover { background: rgba(247, 245, 240, 0.2); transform: scale(1.06); }
.lb-btn svg { width: 22px; height: 22px; }
.lb-close { top: clamp(16px, 3vw, 36px); right: clamp(16px, 3vw, 36px); }
.lb-prev { left: clamp(12px, 3vw, 32px); top: 50%; transform: translateY(-50%); }
.lb-next { right: clamp(12px, 3vw, 32px); top: 50%; transform: translateY(-50%); }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.06); }
.lb-count {
  position: absolute; bottom: clamp(16px, 3vw, 34px); left: 50%; transform: translateX(-50%);
  font-size: var(--fs-small); letter-spacing: 0.1em; color: var(--gray-400);
}

/* --- 34.6 SplitType word/line reveal --- */
.line-mask { overflow: hidden; display: block; }
[data-split] .word { display: inline-block; }
[data-split] .line { overflow: hidden; }
.split-in .word { transform: translateY(0); opacity: 1; }

/* --- 34.7 Footer elevation --- */
.footer { position: relative; overflow: hidden; }
.footer-statement {
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--stone);
  padding-block: var(--sp-7) 0;
  max-width: 22ch;
}
.footer-social { display: flex; gap: var(--sp-3); margin-top: var(--sp-5); }
.footer-social a {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(247, 245, 240, 0.16);
  color: var(--gray-400);
  transition: background 0.35s var(--ease-flow), color 0.35s var(--ease-flow), transform 0.35s var(--ease-flow), border-color 0.35s var(--ease-flow);
}
.footer-social a:hover { background: var(--stone); color: var(--graphite); border-color: var(--stone); transform: translateY(-3px); }
.footer-social a svg { width: 18px; height: 18px; }
.footer-mega { position: relative; z-index: 1; }
.footer-geo {
  position: absolute;
  right: -8%; top: 8%;
  width: min(46vw, 620px);
  opacity: 0.05;
  z-index: 0;
  pointer-events: none;
  animation: spinSlow 120s linear infinite;
}

/* ==========================================================================
   35. HOMEPAGE REFINEMENT — showcases, trust band, dividers, hero balance
   ========================================================================== */

/* --- 35.1 Hero rebalance: symbol central, products as floating sculptures --- */
.hero-scene .hero-mark.behind { inset: 16%; z-index: 2; opacity: 1; }
.hero-scene .hero-mark.behind .real-mark { filter: drop-shadow(0 20px 40px rgba(156, 135, 108, 0.18)); }
.hero-prod.sculpt .hp-inner { background: transparent; border: none; box-shadow: none; }
.hero-prod.sculpt .hp-inner img { aspect-ratio: auto; }
.hero-prod.sculpt {
  width: 34%;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 34px 60px rgba(0, 0, 0, 0.16);
  border: 1px solid var(--line-soft);
  background: var(--white);
}
.hero-prod.sculpt.oxy { top: -2%; right: 2%; }
.hero-prod.sculpt.oxy .hp-inner img { object-fit: contain; padding: 10%; background: linear-gradient(160deg, #fff, var(--ivory)); aspect-ratio: 1; }
.hero-prod.sculpt.hyd { width: 30%; bottom: 2%; left: -2%; }
.hero-prod.sculpt.hyd .hp-inner img { object-fit: cover; aspect-ratio: 1; }

/* --- 35.2 Flagship product showcase (Apple-style, full width, alternating) --- */
.showcase { position: relative; padding-block: clamp(56px, 9vw, 128px); overflow: hidden; }
.showcase > .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}
.showcase.rev .sc-media { order: 2; }
.showcase .sc-media { position: relative; }
.showcase .sc-glow {
  position: absolute; inset: -12%;
  z-index: 0;
  background: radial-gradient(circle at 50% 46%, var(--sc-glow, rgba(183, 163, 138, 0.2)), transparent 62%);
  pointer-events: none;
}
.showcase .sc-inner {
  position: relative; z-index: 1;
  border-radius: var(--r-panel);
  overflow: hidden;
  aspect-ratio: 4 / 3.2;
  display: grid; place-items: center;
  box-shadow: 0 44px 90px rgba(0, 0, 0, 0.14), 0 10px 24px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--line-soft);
  animation: heroFloat 10s ease-in-out infinite;
}
.showcase .sc-inner img { width: 90%; height: 90%; object-fit: contain; transition: transform 0.9s var(--ease-flow); }
.showcase.sc-cover .sc-inner img { width: 100%; height: 100%; object-fit: cover; }
.showcase .sc-media:hover .sc-inner img { transform: scale(1.04); }
.showcase .sc-eyebrow { display: inline-flex; }
.showcase .sc-title { font-family: var(--font-body); font-size: clamp(2.6rem, 5.4vw, 4.4rem); line-height: 1; margin: var(--sp-4) 0 var(--sp-5); }
.showcase .sc-line { font-size: var(--fs-lead); color: var(--gray-700); max-width: 30ch; }
.showcase .sc-meta { margin-top: var(--sp-6); display: flex; flex-wrap: wrap; gap: var(--sp-2); }

/* --- 35.3 Trust band — brand statements, hairline grid --- */
.trust-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.trust-item {
  background: var(--white);
  padding: clamp(28px, 3.4vw, 48px);
  display: flex; flex-direction: column; gap: var(--sp-3);
  transition: background 0.4s var(--ease-flow);
}
.trust-item:hover { background: var(--ivory); }
.trust-item .ti-k { font-size: var(--fs-eyebrow); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.trust-item .ti-v { font-family: var(--font-body); font-size: clamp(1.35rem, 2.1vw, 1.75rem); line-height: 1.2; }

/* --- 35.4 Custom logo-derived section dividers --- */
.divider-arc { background: inherit; }
.divider-arc svg { width: 100%; height: clamp(60px, 8vw, 130px); display: block; }
.divider-arc .da-line { fill: none; stroke: var(--line); stroke-width: 1.25; }
.divider-arc .da-arc { fill: none; stroke: var(--accent); stroke-width: 1.5; opacity: 0.55; }

/* --- 35.5 Home ecosystem intro copy on graphite --- */
.eco-lead { max-width: 620px; }

/* --- 35.6 Brand hero (logo-led, minimal) --- */
.hero--brand .hero-stage { max-width: 560px; margin-inline: auto; width: 100%; }
.hero--brand .hero-mark { width: 70%; height: 70%; }
.hero--brand .hero-mark .real-mark { filter: drop-shadow(0 30px 60px rgba(156, 135, 108, 0.16)); }
.hero--brand .hero-glow { inset: -6%; background: radial-gradient(circle at 50% 46%, rgba(183, 163, 138, 0.22), transparent 64%); }

/* --- 35.7 Hero typography refinement (calm two-statement hierarchy) --- */
.hero-title { display: flex; flex-direction: column; margin: clamp(20px, 3vw, 34px) 0 clamp(30px, 4.5vw, 56px); }
.hero-title .ht-line { display: block; }
/* Primary statement — dominant, black, one thought */
.ht-primary .ln span { color: var(--ink); }
/* Secondary statement — clearly subordinate, stone, softer, offset below */
.ht-secondary { margin-top: clamp(22px, 3.4vw, 46px); font-size: 0.56em; line-height: 1.12; letter-spacing: 0.004em; }
.ht-secondary .ln span { color: var(--stone-deep); }
.hero-title .nowrap { white-space: nowrap; }

/* Sequential line reveal: Engineering → Recovery. → Advancing → Human Performance. */
.hero-title.is-in .ht-primary .ln:nth-child(1) span { transition-delay: 0.06s; }
.hero-title.is-in .ht-primary .ln:nth-child(2) span { transition-delay: 0.18s; }
.hero-title.is-in .ht-secondary .ln:nth-child(1) span { transition-delay: 0.34s; }
.hero-title.is-in .ht-secondary .ln:nth-child(2) span { transition-delay: 0.46s; }

/* More air around the headline & a larger gap to the supporting line */
.hero--brand .hero-sub { max-width: 460px; }

/* Logo — ~18% smaller, complementary; nudged right on desktop */
.hero--brand .hero-mark { width: 57%; height: 57%; }
@media (min-width: 1025px) {
  .hero--brand .hero-stage { margin-inline: 0; justify-self: end; max-width: 540px; }
}

/* ==========================================================================
   36. OUR STORY (About) — documentary layouts
   ========================================================================== */

/* Engineering-philosophy principles — editorial numbered list */
.principles { border-top: 1px solid var(--line); margin-top: var(--sp-6); }
.principle {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
  padding: clamp(28px, 3.6vw, 48px) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.5s var(--ease-flow);
}
.principle:hover { padding-left: var(--sp-4); }
.principle .pr-num { font-family: var(--font-body); font-size: clamp(1.2rem, 2vw, 1.7rem); color: var(--stone); line-height: 1.2; }
.principle h3 { font-family: var(--font-body); font-weight: 600; font-size: clamp(1.6rem, 3.6vw, 2.7rem); line-height: 1.08; }
.principle p { color: var(--gray-500); max-width: 48ch; margin-top: var(--sp-3); }

/* ==========================================================================
   37. OXYZEN — flagship product experience
   ========================================================================== */

/* Cinematic hero render */
.oxyzen-hero-media { background: var(--white); padding-block: clamp(32px, 6vw, 72px) clamp(48px, 8vw, 110px); }
.oxyzen-hero-media .oh-inner { max-width: 1120px; margin-inline: auto; padding-inline: var(--gutter); }
.oxyzen-hero-media img { width: 100%; filter: drop-shadow(0 48px 80px rgba(0, 0, 0, 0.14)); }

/* Product highlights — editorial, no counters */
.highlights {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
}
.highlight { background: var(--white); padding: clamp(26px, 3vw, 44px); display: flex; flex-direction: column; gap: var(--sp-3); transition: background 0.4s var(--ease-flow); }
.highlight:hover { background: var(--ivory); }
.highlight .hl-k { font-size: var(--fs-eyebrow); letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.highlight .hl-v { font-family: var(--font-body); font-size: clamp(1.25rem, 1.9vw, 1.6rem); line-height: 1.14; }
.highlight p { font-size: var(--fs-small); color: var(--gray-500); }

/* Product family — platform cards */
.platform-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--sp-4); }
.platform {
  padding: var(--sp-6) var(--sp-5);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--white);
  transition: transform 0.45s var(--ease-flow), box-shadow 0.45s var(--ease-flow), border-color 0.45s var(--ease-flow);
}
.platform:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: var(--accent); }
.platform h3 { font-family: var(--font-body); font-size: 1.55rem; }
.platform .pf-cap { font-family: var(--font-body); font-size: 2.1rem; color: var(--accent-deep); line-height: 1; margin-top: var(--sp-3); }
.platform .pf-cap span { font-family: var(--font-body); font-size: var(--fs-small); color: var(--gray-500); display: block; margin-top: 6px; letter-spacing: 0.02em; }
.platform .pf-meta { margin-top: var(--sp-4); border-top: 1px solid var(--line); padding-top: var(--sp-4); font-size: var(--fs-small); color: var(--gray-500); }
.platform .pf-meta b { color: var(--ink); font-weight: 600; display: block; font-size: var(--fs-eyebrow); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 4px; }

/* Gallery captions */
.gallery figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 16px 18px;
  font-size: var(--fs-small); color: var(--white);
  background: linear-gradient(transparent, rgba(20, 19, 17, 0.6));
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.4s var(--ease-flow), transform 0.4s var(--ease-flow);
  pointer-events: none;
}
.gallery figure:hover figcaption { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   38. HYDROZEN — water visual language
   ========================================================================== */
.hydro-hero-media { background: var(--white); padding-block: clamp(32px, 6vw, 72px) clamp(24px, 5vw, 64px); }
.hydro-hero-media .hh-inner { max-width: 1120px; margin-inline: auto; padding-inline: var(--gutter); }
.hydro-hero-media .hh-panel {
  position: relative;
  border-radius: var(--r-panel);
  overflow: hidden;
  aspect-ratio: 16 / 9.6;
  box-shadow: 0 44px 90px rgba(0, 0, 0, 0.14);
  border: 1px solid var(--line-soft);
}
.hydro-hero-media .hh-panel img { width: 100%; height: 100%; object-fit: cover; }
.hydro-hero-media .hh-reflect {
  height: clamp(38px, 6vw, 84px);
  max-width: 80%;
  margin: 8px auto 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59, 141, 135, 0.18), transparent 70%);
  filter: blur(3px);
}

/* Fluid wave divider */
.wave-divider { line-height: 0; background: inherit; overflow: hidden; color: var(--accent); }
.wave-divider svg { width: 100%; height: clamp(44px, 6vw, 84px); display: block; }
.wave-divider path { fill: none; stroke: currentColor; stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.wave-divider .w1 { opacity: 0.5; }
.wave-divider .w2 { opacity: 0.24; }
@media (prefers-reduced-motion: no-preference) {
  .wave-divider .w1 { animation: waveShift 9s ease-in-out infinite alternate; }
  .wave-divider .w2 { animation: waveShift 13s ease-in-out infinite alternate-reverse; }
}
@keyframes waveShift { from { transform: translateX(-2.5%); } to { transform: translateX(2.5%); } }

/* STREAM & FLOW — premium family meta */
.variant-meta { display: grid; gap: var(--sp-4); margin-top: var(--sp-5); }
.variant-meta .vm-row { display: grid; grid-template-columns: 128px 1fr; gap: var(--sp-4); align-items: baseline; padding-bottom: var(--sp-4); border-bottom: 1px solid var(--line); }
.variant-meta .vm-row:last-child { border-bottom: 0; padding-bottom: 0; }
.variant-meta .vm-k { font-size: var(--fs-eyebrow); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.variant-meta .vm-v { color: var(--gray-700); font-size: var(--fs-small); }

/* ==========================================================================
   39. HOME — interactive product-ecosystem selector (signature experience)
   ========================================================================== */
.ecoselector { width: 100%; }
.es-stage {
  --r: clamp(116px, 19vw, 188px);
  --ns: clamp(58px, 7.6vw, 84px);
  position: relative; aspect-ratio: 1; width: 100%; max-width: 520px; margin-inline: auto;
}
.es-ring { position: absolute; inset: 6%; border-radius: 50%; border: 1px dashed var(--line); }
.es-ring.r2 { inset: 19%; border-style: solid; border-color: var(--line-soft); }
.es-render {
  position: absolute; inset: 22%; border-radius: 50%; overflow: hidden;
  background: linear-gradient(160deg, #ffffff, var(--ivory));
  display: grid; place-items: center;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line-soft);
}
.es-render img {
  width: 86%; height: 86%; object-fit: contain;
  transition: opacity 0.35s var(--ease-flow), transform 0.45s var(--ease-flow);
}
.es-render img.is-fading { opacity: 0; transform: scale(0.96); }
.es-node {
  position: absolute; top: 50%; left: 50%;
  width: var(--ns); height: var(--ns); margin: calc(var(--ns) / -2);
  border-radius: 50%;
  transform: rotate(var(--a)) translateY(calc(var(--r) * -1)) rotate(calc(var(--a) * -1));
  background: var(--white); border: 1px solid var(--line);
  color: var(--gray-700); display: grid; place-items: center; text-align: center;
  cursor: pointer; box-shadow: var(--shadow-xs);
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.01em;
  transition: background 0.4s var(--ease-flow), border-color 0.4s var(--ease-flow), color 0.4s var(--ease-flow), transform 0.5s var(--ease-flow);
}
.es-node:hover { border-color: var(--accent); }
.es-node.is-active { background: var(--accent); border-color: var(--accent); color: var(--graphite); }
.es-panel { text-align: center; margin-top: var(--sp-6); min-height: 168px; }
.es-cat { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-deep); font-weight: 600; }
.es-name { font-family: var(--font-body); font-weight: 600; font-size: clamp(1.8rem, 3vw, 2.4rem); margin-top: 8px; letter-spacing: -0.01em; }
.es-intro { color: var(--gray-500); font-size: var(--fs-small); max-width: 40ch; margin: 12px auto 0; }
.es-panel .btn-row { justify-content: center; margin-top: 20px; width: auto; }

/* ==========================================================================
   40. LOGO & CAROUSEL REFINEMENTS
   ========================================================================== */
/* Footer wordmark watermark — official logo image, not typography */
.footer-mega { display: flex; justify-content: center; padding-block: var(--sp-9) var(--sp-6); }
.footer-mega img { width: 100%; max-width: 1000px; height: auto; opacity: 0.08; filter: brightness(0) invert(1); }

/* ==========================================================================
   41. CREDIBILITY STRIP — engineering credentials, typography only (no badges)
   ========================================================================== */
.cred-strip {
  border-block: 1px solid var(--line-soft);
  background: var(--white);
}
.cred-strip .cred-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.4vw, 40px);
  padding-block: clamp(20px, 2.6vw, 30px);
}
.cred-strip .cred-item {
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gray-700);
  white-space: nowrap;
}
.cred-strip .cred-sep {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.section--graphite .cred-strip,
.cred-strip.is-dark { background: transparent; border-color: rgba(247, 245, 240, 0.14); }
.cred-strip.is-dark .cred-item { color: var(--gray-300); }

/* ==========================================================================
   42. DOCUMENT DOWNLOADS — premium document cards + single download band
   ========================================================================== */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-6);
}
.doc-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-7) var(--sp-6);
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
  transition: transform 0.5s var(--ease-flow), box-shadow 0.5s var(--ease-flow), border-color 0.5s var(--ease-flow);
  will-change: transform;
}
.doc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.doc-ic {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--ivory);
  border: 1px solid var(--line-soft);
  color: var(--accent-deep);
  margin-bottom: var(--sp-3);
}
.doc-ic svg { width: 22px; height: 22px; }
.doc-card h3 { font-size: var(--fs-h4); font-weight: 600; letter-spacing: -0.01em; }
.doc-card p { font-size: var(--fs-small); color: var(--gray-500); line-height: 1.55; flex: 1 1 auto; }
.doc-meta { font-size: var(--fs-eyebrow); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); font-weight: 600; }
.doc-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-4); }

/* Compact button variant for document actions */
.btn--sm { --btn-pad-y: 11px; --btn-pad-x: 22px; font-size: 0.8rem; }

/* ==========================================================================
   43. TRANSPARENT PRODUCT RENDERS — HYDROZEN studio presentation
   The new transparent-background renders float on a soft, consistent studio
   stage: contained (never cropped/stretched), optically centred, and free of
   white/grey rectangle framing. Scoped to .theme-hydrozen — OXYZEN photographic
   renders keep their existing cover treatment.
   ========================================================================== */
:root {
  /* One neutral studio stage shared by every transparent product render, so
     OXYZEN and HYDROZEN never show mismatched backdrops side by side. */
  --studio-hydrozen: radial-gradient(118% 100% at 50% 26%, #ffffff 0%, #f1f2f0 60%, var(--ivory) 100%);
}

/* A transparent render dropped into an otherwise photographic (sc-cover)
   showcase: contain it (never crop) and give it the shared studio backdrop. */
.showcase .sc-inner img.render { object-fit: contain !important; width: 86%; height: 86%; }
.showcase .sc-inner:has(img.render) { background: var(--studio-hydrozen); }

/* Hero — product floats on a soft stage, no hard frame */
.hydro-hero-media .hh-panel {
  border: 0;
  background: var(--studio-hydrozen);
  box-shadow: 0 34px 74px rgba(0, 0, 0, 0.10);
}
.hydro-hero-media .hh-panel img {
  object-fit: contain;
  width: 92%; height: 92%;
  margin: auto;
}

/* Showcase tiles — override the sc-cover crop for transparent renders */
.showcase.theme-hydrozen .sc-inner { background: var(--studio-hydrozen); }
.showcase.theme-hydrozen.sc-cover .sc-inner img,
.showcase.theme-hydrozen .sc-inner img {
  object-fit: contain;
  width: 86%; height: 86%;
}

/* Gallery cut-outs — studio backdrop instead of the default grey, contained */
.gallery figure:has(img.is-contain) { background: var(--studio-hydrozen); }