/* ============================================================
   VUSO LABS — Design System
   vusolabs.com · static · no build step
   Sections:
     01 Tokens        02 Reset & base      03 Typography utils
     04 Layout shells 05 Buttons           06 Glass panels
     07 Nav           08 Mobile drawer     09 Cart drawer
     10 Curved dividers                    11 Loading screen
     12 Hero          13 Trust marquee     14 Product cards / vial illust
     15 Why VUSO      16 COA preview       17 Quality timeline
     18 Categories    19 Brand statement   20 Resources
     21 Email signup  22 Footer            23 Cursor
     24 Reveal engine 25 Responsive        26 Reduced motion
   ============================================================ */

/* ---------- 01 · TOKENS ---------- */
:root {
  /* palette */
  --ice: #DCEFFF;
  --sky: #A9D8FF;
  --medium: #5EB6F5;
  --deep: #0A4D7A;
  --navy: #082B45;
  --soft-white: #F8FCFF;
  --white: #FFFFFF;
  --silver: #D8E1E8;

  /* derived — alphas tuned so text on white passes WCAG AA (≥4.5:1) */
  --navy-60: rgba(8, 43, 69, .76);
  --navy-40: rgba(8, 43, 69, .62);
  --glass-bg: rgba(255, 255, 255, .55);
  --glass-bg-strong: rgba(255, 255, 255, .78);
  --glass-border: rgba(255, 255, 255, .75);
  --glow-blue: rgba(94, 182, 245, .45);
  --shadow-soft: 0 24px 60px -24px rgba(10, 77, 122, .28);
  --shadow-card: 0 18px 44px -18px rgba(10, 77, 122, .22);
  --shadow-pop: 0 30px 80px -20px rgba(10, 77, 122, .38);

  /* gradients */
  --grad-primary: linear-gradient(135deg, #5EB6F5 0%, #2E86C9 55%, #0A4D7A 130%);
  --grad-sky: linear-gradient(160deg, #F8FCFF 0%, #DCEFFF 45%, #A9D8FF 120%);
  --grad-chrome: linear-gradient(120deg, #F4F8FB 0%, #D8E1E8 30%, #FDFEFF 52%, #C4D2DC 78%, #EDF3F7 100%);
  /* deepest→lightest stays ≥3:1 on white for large display text */
  --grad-text: linear-gradient(115deg, #0A4D7A 0%, #2470A8 55%, #3E8FD0 100%);

  /* type */
  --font-display: "Sora", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;

  /* radius */
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 40px;
  --r-pill: 999px;

  /* motion */
  --ease-out: cubic-bezier(.22, .8, .3, 1);
  --ease-spring: cubic-bezier(.34, 1.45, .5, 1);
  --dur: .6s;

  /* layout */
  --container: 1180px;
  --nav-h: 76px;
}

/* ---------- 02 · RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--navy);
  background: var(--soft-white);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
input { font: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--medium); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--sky); color: var(--navy); }

/* ---------- 03 · TYPOGRAPHY UTILITIES ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--deep);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: var(--grad-primary); flex: none;
}
.h-display { font-size: clamp(2.4rem, 5.4vw, 4.2rem); font-weight: 700; }
.h-section { font-size: clamp(1.9rem, 3.6vw, 2.8rem); font-weight: 700; }
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.lede { font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: var(--navy-60); max-width: 58ch; }
.microcopy { font-size: .74rem; color: var(--navy-40); letter-spacing: .02em; }
.legal-note {
  font-size: .74rem; color: var(--deep); letter-spacing: .02em;
  display: inline-flex; gap: .45em; align-items: flex-start;
}
.legal-note svg { flex: none; margin-top: .18em; }

/* ---------- 04 · LAYOUT SHELLS ---------- */
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.section { position: relative; padding: clamp(76px, 10vw, 130px) 0; }
.section--tint { background: var(--grad-sky); }
.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head .lede { margin-top: 14px; }

/* molecular dot lattice backdrop */
.lattice::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(10, 77, 122, .10) 1.3px, transparent 1.3px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 0%, transparent 78%);
}

/* ---------- 05 · BUTTONS ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: .55em; padding: .95em 1.9em;
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  border-radius: var(--r-pill); white-space: nowrap;
  min-height: 44px; /* touch target */
  transition: transform .22s var(--ease-spring), box-shadow .25s ease, background .25s ease, color .2s ease;
  will-change: transform;
}
.btn-primary {
  color: var(--white);
  background: var(--grad-primary);
  background-size: 160% 160%;
  box-shadow: 0 12px 30px -10px var(--glow-blue), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover { background-position: 90% 90%; box-shadow: 0 18px 40px -12px rgba(46,134,201,.55), inset 0 1px 0 rgba(255,255,255,.4); transform: translateY(-2px); }
.btn-ghost {
  color: var(--deep);
  background: rgba(255, 255, 255, .5);
  border: 1.5px solid rgba(10, 77, 122, .22);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--medium); background: var(--white); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none; }
.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--r-pill); /* ≥44px touch target */
  color: var(--deep); background: rgba(255,255,255,.6);
  border: 1px solid rgba(10,77,122,.14);
  transition: background .2s ease, transform .2s var(--ease-spring), box-shadow .2s ease;
}
.btn-icon:hover { background: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-card); }
/* screen-reader-only utility (visible labels for AT, no layout impact) */
.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;
}

/* ---------- 06 · GLASS PANELS ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,.9);
}
.glass--strong { background: var(--glass-bg-strong); }
.chip {
  display: inline-flex; align-items: center; gap: .45em;
  padding: .38em .95em; border-radius: var(--r-pill);
  font-size: .78rem; font-weight: 600; letter-spacing: .02em;
  color: var(--deep); background: rgba(220, 239, 255, .8);
  border: 1px solid rgba(94, 182, 245, .35);
}
.chip--outline { background: rgba(255,255,255,.55); border-color: rgba(10,77,122,.16); }

/* ---------- 07 · NAV ---------- */
.site-nav {
  position: fixed; inset: 0 0 auto 0; z-index: 900;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .4s ease, box-shadow .4s ease, backdrop-filter .4s ease;
  background: transparent;
}
.site-nav.scrolled {
  background: rgba(248, 252, 255, .78);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 10px 40px -18px rgba(10, 77, 122, .25);
}
.nav-inner { display: flex; align-items: center; gap: 28px; width: min(1320px, calc(100% - 40px)); margin-inline: auto; }
/* — official brand lockup: chrome V chevron + stacked wordmark — */
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--navy); }
.brand-chevron { flex: none; filter: drop-shadow(0 1px 1px rgba(8,43,69,.28)); }
.brand-stack { display: flex; flex-direction: column; justify-content: center; line-height: 1; min-width: 0; }
.brand-word {
  font-family: var(--font-display); font-weight: 800; font-size: 1.32rem;
  letter-spacing: .06em; transform: scaleX(1.08); transform-origin: left center;
  color: currentColor; white-space: nowrap;
}
.brand-sub {
  font-family: var(--font-display); font-weight: 600; font-size: .5rem;
  letter-spacing: .4em; color: var(--deep); margin-top: 4px; white-space: nowrap;
}
.site-footer .brand-sub { color: var(--sky); }
.nav-links { display: flex; align-items: center; gap: 4px; margin-inline: auto; list-style: none; padding: 0; }
.nav-links a {
  display: inline-block; padding: .55em .85em; border-radius: var(--r-pill);
  font-size: .9rem; font-weight: 500; color: var(--navy-60);
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--deep); background: rgba(220, 239, 255, .75); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-icon-btn {
  position: relative;
  width: 44px; height: 44px; border-radius: var(--r-pill); /* ≥44px touch target */
  display: grid; place-items: center; color: var(--deep);
  transition: background .2s ease, transform .2s var(--ease-spring);
}
.nav-icon-btn:hover { background: rgba(220, 239, 255, .8); transform: translateY(-1px); }
.cart-count {
  position: absolute; top: 2px; right: 0;
  min-width: 17px; height: 17px; padding: 0 4px; border-radius: var(--r-pill);
  background: var(--grad-primary); color: #fff;
  font-size: .62rem; font-weight: 700; line-height: 17px; text-align: center;
  transform: scale(0); transition: transform .3s var(--ease-spring);
}
.cart-count.has-items { transform: scale(1); }
.nav-cta { margin-left: 6px; padding: .7em 1.4em; font-size: .86rem; }
.nav-burger { display: none; width: 44px; height: 44px; border-radius: 14px; place-items: center; color: var(--deep); }
.nav-burger:hover { background: rgba(220,239,255,.8); }

/* ---------- 08 · MOBILE DRAWER ---------- */
.mobile-drawer {
  position: fixed; inset: 0; z-index: 950; display: flex; justify-content: flex-end;
  pointer-events: none; visibility: hidden; transition: visibility 0s .5s;
}
.mobile-drawer.open { pointer-events: auto; visibility: visible; transition: none; }
.drawer-scrim {
  position: absolute; inset: 0; background: rgba(8, 43, 69, .35);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; transition: opacity .4s ease;
}
.mobile-drawer.open .drawer-scrim { opacity: 1; }
.mobile-panel {
  position: relative; width: min(380px, 92%); height: 100%;
  background: rgba(248, 252, 255, .92);
  backdrop-filter: blur(24px) saturate(1.4); -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-left: 1px solid var(--glass-border);
  box-shadow: -30px 0 70px -30px rgba(10, 77, 122, .4);
  padding: 26px 28px 40px; overflow-y: auto;
  transform: translateX(105%); transition: transform .5s var(--ease-out);
  display: flex; flex-direction: column; gap: 8px;
  border-radius: 28px 0 0 28px;
}
.mobile-drawer.open .mobile-panel { transform: translateX(0); }
.mobile-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.mobile-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.mobile-links a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 6px; font-family: var(--font-display); font-weight: 600; font-size: 1.12rem;
  color: var(--navy); border-bottom: 1px solid rgba(10, 77, 122, .08);
  opacity: 0; transform: translateX(24px);
  transition: opacity .45s ease, transform .45s var(--ease-out);
}
.mobile-drawer.open .mobile-links a { opacity: 1; transform: none; }
.mobile-links a svg { color: var(--medium); }
.mobile-drawer-cta { margin-top: 22px; width: 100%; }
.mobile-drawer .legal-note { margin-top: auto; padding-top: 26px; }

/* ---------- 09 · CART DRAWER ---------- */
.cart-drawer { position: fixed; inset: 0; z-index: 960; display: flex; justify-content: flex-end; pointer-events: none; visibility: hidden; transition: visibility 0s .5s; }
.cart-drawer.open { pointer-events: auto; visibility: visible; transition: none; }
.cart-panel {
  position: relative; width: min(430px, 94%); height: 100%;
  background: rgba(248, 252, 255, .95);
  backdrop-filter: blur(24px) saturate(1.4); -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-left: 1px solid var(--glass-border);
  box-shadow: -30px 0 70px -30px rgba(10, 77, 122, .45);
  display: flex; flex-direction: column;
  transform: translateX(105%); transition: transform .5s var(--ease-out);
  border-radius: 28px 0 0 28px;
}
.cart-drawer.open .cart-panel { transform: translateX(0); }
.cart-head { display: flex; align-items: center; justify-content: space-between; padding: 24px 26px 16px; border-bottom: 1px solid rgba(10,77,122,.08); }
.cart-head h3 { margin: 0; font-size: 1.2rem; }
.cart-items { flex: 1; overflow-y: auto; padding: 10px 26px; display: flex; flex-direction: column; gap: 14px; }
.cart-empty { text-align: center; color: var(--navy-60); padding: 60px 10px; }
.cart-empty svg { margin: 0 auto 14px; color: var(--medium); }
.cart-item {
  display: grid; grid-template-columns: 58px 1fr auto; gap: 14px; align-items: center;
  padding: 12px; border-radius: var(--r-md);
  background: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 8px 24px -14px rgba(10,77,122,.25);
}
.cart-thumb {
  width: 58px; height: 66px; border-radius: 14px; position: relative; overflow: hidden;
  background: linear-gradient(165deg, var(--ice), var(--sky));
  display: grid; place-items: center;
}
.cart-item-name { font-family: var(--font-display); font-weight: 600; font-size: .92rem; }
.cart-item-meta { font-size: .74rem; color: var(--navy-60); }
.cart-item-price { font-weight: 700; font-size: .9rem; color: var(--deep); }
.cart-qty { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; }
.cart-qty button {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--ice); color: var(--deep); font-weight: 700; line-height: 1;
  transition: background .2s ease;
}
.cart-qty button:hover { background: var(--sky); }
.cart-qty span { min-width: 18px; text-align: center; font-weight: 600; font-size: .85rem; }
@media (pointer: coarse) { /* ≥44px touch targets on touch devices */
  .cart-qty button { width: 44px; height: 44px; border-radius: 12px; }
}
.cart-remove { font-size: .72rem; color: var(--navy-40); text-decoration: underline; margin-top: 4px; padding: 8px 4px; margin-right: -4px; }
.cart-remove:hover { color: var(--deep); }
.cart-foot { padding: 18px 26px 28px; border-top: 1px solid rgba(10,77,122,.08); display: flex; flex-direction: column; gap: 14px; background: rgba(255,255,255,.6); border-radius: 0 0 0 28px; }
.cart-total-row { display: flex; justify-content: space-between; font-family: var(--font-display); font-weight: 700; }
.cart-ack { display: flex; gap: 10px; align-items: flex-start; font-size: .78rem; color: var(--navy-60); cursor: pointer; }
.cart-ack input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--medium); flex: none; }
.cart-checkout { width: 100%; }
.cart-foot .microcopy { text-align: center; }

/* ---------- 10 · CURVED DIVIDERS ---------- */
.divider { position: absolute; left: 0; right: 0; height: 90px; pointer-events: none; z-index: 3; }
.divider svg { width: 100%; height: 100%; }
.divider--top { top: -1px; transform: scaleY(-1); }
.divider--bottom { bottom: -1px; }

/* ---------- 11 · LOADING SCREEN ---------- */
.loader {
  position: fixed; inset: 0; z-index: 2000;
  display: grid; place-items: center;
  background: var(--grad-sky);
  transition: opacity .55s ease, visibility 0s .55s;
}
.loader.done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; position: relative; z-index: 2; }
.loader-chevron { margin: 0 auto 14px; filter: drop-shadow(0 2px 3px rgba(8,43,69,.25)); opacity: 0; animation: fadeInFull .5s ease .05s forwards; }
@keyframes fadeInFull { to { opacity: 1; } }
.loader-word { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.6rem, 8vw, 4rem); letter-spacing: .08em; color: var(--navy); display: inline-flex; transform: scaleX(1.08); }
.loader-labs { font-family: var(--font-display); font-weight: 600; font-size: .74rem; letter-spacing: .18em; color: var(--deep); margin-top: 8px; opacity: 0; animation: fadeInFull .6s ease .4s forwards; }
.loader-word span { display: inline-block; opacity: 0; transform: translateY(26px) rotate(4deg); animation: loaderLetter .7s var(--ease-out) forwards; }
.loader-word span:nth-child(1) { animation-delay: .05s; }
.loader-word span:nth-child(2) { animation-delay: .13s; }
.loader-word span:nth-child(3) { animation-delay: .21s; }
.loader-word span:nth-child(4) { animation-delay: .29s; }
@keyframes loaderLetter { to { opacity: 1; transform: none; } }
.loader-sub { margin-top: 10px; font-size: .8rem; letter-spacing: .24em; text-transform: uppercase; color: var(--deep); opacity: 0; animation: fadeIn .6s ease .5s forwards; padding-inline: 18px; }
@media (max-width: 420px) { .loader-sub { font-size: .66rem; letter-spacing: .14em; } }
@keyframes fadeIn { to { opacity: .75; } }
.loader-bar { width: 180px; height: 3px; margin: 26px auto 0; border-radius: 3px; background: rgba(10,77,122,.15); overflow: hidden; }
.loader-bar i { display: block; height: 100%; width: 100%; border-radius: 3px; background: var(--grad-primary); transform-origin: left; transform: scaleX(0); animation: loaderBar 1.35s var(--ease-out) .15s forwards; }
@keyframes loaderBar { to { transform: scaleX(1); } }
.loader-dots { position: absolute; inset: 0; overflow: hidden; }
.loader-dots i {
  position: absolute; border-radius: 50%; background: var(--medium); opacity: .28;
  animation: loaderDrift 6s ease-in-out infinite alternate;
}
@keyframes loaderDrift { from { transform: translateY(12px); } to { transform: translateY(-18px); } }
.loader.loader--fast .loader-word span { animation-duration: .3s; animation-delay: 0s; }
.loader.loader--fast .loader-bar i { animation-duration: .3s; animation-delay: 0s; }

/* ---------- 12 · HERO ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 120px;
  background: var(--grad-sky);
  overflow: clip;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg .orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; animation: orbFloat 14s ease-in-out infinite alternate; }
.orb--1 { width: 560px; height: 560px; top: -160px; right: -120px; background: radial-gradient(circle, var(--sky), transparent 70%); }
.orb--2 { width: 460px; height: 460px; bottom: -140px; left: -140px; background: radial-gradient(circle, var(--medium), transparent 70%); opacity: .3; animation-delay: -6s; }
.orb--3 { width: 300px; height: 300px; top: 34%; left: 38%; background: radial-gradient(circle, #fff, transparent 70%); opacity: .8; animation-delay: -3s; }
@keyframes orbFloat { from { transform: translate3d(0, -14px, 0) scale(1); } to { transform: translate3d(0, 22px, 0) scale(1.06); } }
.hero-glow {
  position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(169,216,255,.5), transparent 65%);
  transform: translate(-50%, -50%); left: 70%; top: 45%;
  transition: left 1.2s var(--ease-out), top 1.2s var(--ease-out);
  will-change: left, top;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 30px; align-items: center; position: relative; z-index: 4; }
.hero-copy { max-width: 590px; }
.hero-copy .eyebrow { margin-bottom: 20px; }
.hero-copy h1 { margin-bottom: 22px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 20px; }
.hero-status { display: flex; align-items: center; gap: 10px; font-size: .85rem; color: var(--navy-60); margin-bottom: 24px; }
.hero-status .pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--medium); flex: none; box-shadow: 0 0 0 0 var(--glow-blue); animation: pulseDot 2.4s ease-out infinite; }
@keyframes pulseDot { 0% { box-shadow: 0 0 0 0 var(--glow-blue); } 70% { box-shadow: 0 0 0 12px rgba(94,182,245,0); } 100% { box-shadow: 0 0 0 0 rgba(94,182,245,0); } }
.trust-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.trust-chips .chip { background: rgba(255,255,255,.65); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: 0 6px 18px -10px rgba(10,77,122,.3); }
.trust-chips .chip svg { color: var(--medium); }
.hero-stage { position: relative; display: grid; place-items: center; }

/* ---------- Photoreal 2.5D product stage ---------- */
.stage3d {
  position: relative;
  width: min(100%, 690px);
  transform: perspective(1100px);
  transform-style: preserve-3d;
  will-change: transform;
  animation: stageFloat 7s ease-in-out infinite alternate;
}
@keyframes stageFloat {
  from { translate: 0 -7px; }
  to   { translate: 0  9px; }
}
.stage-render { display: block; position: relative; }
.stage-render img {
  display: block; width: 100%; height: auto; aspect-ratio: 1448 / 1086;
  /* the WebP carries a baked feathered alpha + edge tint, so the studio
     backdrop melts into the page while glass, refraction, powder and
     reflection stay 100% photographic */
  filter: saturate(1.04) contrast(1.02);
}
.stage-sheen {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
  -webkit-mask-image: radial-gradient(74% 70% at 50% 47%, #000 52%, rgba(0,0,0,.6) 76%, transparent 97%);
          mask-image: radial-gradient(74% 70% at 50% 47%, #000 52%, rgba(0,0,0,.6) 76%, transparent 97%);
}
.stage-sheen::before {
  content: ""; position: absolute; top: -20%; bottom: -20%; left: -35%; width: 34%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.34) 48%, transparent);
  transform: skewX(-14deg) translateZ(30px);
  animation: sheenSweep 8.5s var(--ease-out, ease) infinite;
}
@keyframes sheenSweep {
  0%, 62%  { left: -38%; opacity: 0; }
  66%      { opacity: 1; }
  84%,100% { left: 118%; opacity: 0; }
}
.stage-spark {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,.95), rgba(169,216,255,.4) 60%, transparent 75%);
  animation: sparkDrift 9s ease-in-out infinite alternate;
}
.stage-spark.s1 { width: 9px; height: 9px; top: 12%; left: 4%;  animation-delay: -2s; transform: translateZ(50px); }
.stage-spark.s2 { width: 7px; height: 7px; top: 70%; right: 2%; animation-delay: -5s; transform: translateZ(70px); }
.stage-spark.s3 { width: 5px; height: 5px; top: 20%; right: 3%; animation-delay: -7.5s; transform: translateZ(40px); }
@keyframes sparkDrift {
  from { translate: 0 -10px; opacity: .35; }
  to   { translate: 0  12px; opacity: .9; }
}
@media (prefers-reduced-motion: reduce) {
  .stage3d, .stage-sheen::before, .stage-spark { animation: none; }
}
.hero-scrollcue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: .68rem; letter-spacing: .3em; text-transform: uppercase; color: var(--navy-40); z-index: 5;
}
.hero-scrollcue i { width: 1.5px; height: 34px; background: linear-gradient(var(--medium), transparent); border-radius: 2px; animation: cueDrop 1.8s ease-in-out infinite; }
@keyframes cueDrop { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 13 · TRUST MARQUEE ---------- */
.trust-strip { position: relative; padding: 26px 0; background: var(--white); border-block: 1px solid rgba(10,77,122,.07); overflow: hidden; }
.marquee { display: flex; width: max-content; gap: 0; animation: marqueeMove 34s linear infinite; }
.trust-strip:hover .marquee { animation-play-state: paused; }
.marquee-track { display: flex; align-items: center; gap: 54px; padding-right: 54px; }
.marquee-item { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 600; font-size: .95rem; color: var(--deep); white-space: nowrap; }
.marquee-item svg { color: var(--medium); flex: none; }
@keyframes marqueeMove { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 14 · PRODUCT CARDS + VIAL ILLUSTRATION ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
  position: relative; display: flex; flex-direction: column;
  padding: 26px 24px 22px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.85);
  box-shadow: var(--shadow-card);
  transition: transform .28s var(--ease-out), box-shadow .28s ease;
  transform-style: preserve-3d; will-change: transform;
  overflow: clip;
}
.product-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(169,216,255,.5), transparent 65%);
  transition: opacity .4s ease;
}
.product-card:hover::before { opacity: 1; }
.product-card:hover { box-shadow: var(--shadow-pop); }
.card-stage {
  position: relative; height: 190px; margin: -6px -8px 16px; border-radius: var(--r-md);
  background: linear-gradient(170deg, rgba(220,239,255,.6), rgba(169,216,255,.35));
  display: grid; place-items: center; overflow: clip;
}
.card-stage::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(10,77,122,.08) 1px, transparent 1px);
  background-size: 22px 22px; pointer-events: none;
}
/* — 2.5D vial illustration (reusable) — */
.vial-illust { position: relative; width: 74px; height: 132px; transition: transform .5s var(--ease-spring); transform: translateZ(30px); }
.product-card:hover .vial-illust { transform: translateZ(30px) translateY(-10px); }
.vial-illust .v-cap {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 46px; height: 26px; border-radius: 9px 9px 5px 5px;
  background: linear-gradient(180deg, var(--v-accent, #8CCBFA) 0%, var(--v-accent-deep, #4C9FDE) 100%);
  box-shadow: inset 0 2px 3px rgba(255,255,255,.55), inset 0 -3px 5px rgba(8,43,69,.25);
}
.vial-illust .v-cap::after { content: ""; position: absolute; inset: 4px 8px auto; height: 5px; border-radius: 4px; background: rgba(255,255,255,.4); }
.vial-illust .v-seal {
  position: absolute; top: 24px; left: 50%; transform: translateX(-50%);
  width: 52px; height: 12px; border-radius: 4px;
  background: var(--grad-chrome);
  box-shadow: inset 0 -2px 3px rgba(8,43,69,.22), 0 2px 4px rgba(8,43,69,.15);
}
.vial-illust .v-body {
  position: absolute; top: 33px; left: 50%; transform: translateX(-50%);
  width: 62px; height: 96px; border-radius: 12px 12px 18px 18px;
  background: linear-gradient(100deg, rgba(255,255,255,.85) 4%, rgba(220,239,255,.35) 26%, rgba(255,255,255,.15) 48%, rgba(169,216,255,.4) 78%, rgba(255,255,255,.75) 96%);
  border: 1.5px solid rgba(255,255,255,.9);
  box-shadow: inset 0 0 14px rgba(169,216,255,.5), 0 14px 24px -12px rgba(10,77,122,.4);
  overflow: hidden;
}
.vial-illust .v-body::before { /* glass highlight */
  content: ""; position: absolute; top: 6px; bottom: 8px; left: 8px; width: 7px;
  border-radius: 6px; background: linear-gradient(rgba(255,255,255,.95), rgba(255,255,255,.1)); filter: blur(.5px);
}
.vial-illust .v-label {
  position: absolute; left: 4px; right: 4px; top: 24px; height: 42px;
  border-radius: 6px; background: rgba(255,255,255,.94);
  box-shadow: 0 1px 3px rgba(8,43,69,.12);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.vial-illust .v-label b { font-family: var(--font-display); font-size: 9.5px; letter-spacing: .14em; color: var(--deep); line-height: 1; }
.vial-illust .v-label i { width: 26px; height: 2.5px; border-radius: 2px; background: var(--v-accent, #8CCBFA); }
.vial-illust .v-label small { font-size: 5.5px; letter-spacing: .06em; color: var(--navy-40); font-style: normal; }
.vial-illust .v-powder {
  position: absolute; left: 3px; right: 3px; bottom: 3px; height: 22px;
  border-radius: 4px 4px 14px 14px;
  background: linear-gradient(180deg, #FFFFFF 0%, #EFF5F9 70%, #E2EBF1 100%);
  box-shadow: inset 0 3px 4px rgba(8,43,69,.08);
}
.vial-illust .v-shadow {
  position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 14px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(10,77,122,.3), transparent 70%);
  transition: transform .5s var(--ease-spring), opacity .5s ease;
}
.product-card:hover .v-shadow { transform: translateX(-50%) scale(.82); opacity: .7; }
/* card content */
.card-cat-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.product-card h3 { font-size: 1.18rem; margin: 0 0 2px; }
.card-amount { font-size: .82rem; color: var(--navy-60); font-weight: 500; }
.card-blurb { font-size: .84rem; color: var(--navy-60); margin: 10px 0 14px; flex: 1; }
.card-price-row { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.card-price { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--deep); }
.card-price small { font-size: .66rem; font-weight: 500; color: var(--navy-40); margin-left: 4px; }
.card-actions { display: flex; gap: 8px; align-items: center; }
.card-actions .btn { flex: 1; padding: .8em 1em; font-size: .84rem; }
.card-disclaimer { margin-top: 12px; padding-top: 10px; border-top: 1px dashed rgba(10,77,122,.14); }
.stock-dot { width: 7px; height: 7px; border-radius: 50%; background: #37C97E; display: inline-block; margin-right: 5px; }
.stock-dot.out { background: var(--silver); }

/* ---------- 15 · WHY VUSO ---------- */
.why-wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(30px, 6vw, 90px); align-items: start; }
.why-copy { position: sticky; top: 120px; }
.why-aside-quote {
  margin-top: 28px; padding: 20px 24px; border-left: 3px solid var(--medium);
  border-radius: 0 var(--r-md) var(--r-md) 0; background: rgba(255,255,255,.6);
  font-size: .95rem; color: var(--deep); font-weight: 500;
}
.pillars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.pillar {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 22px 26px; border-radius: var(--r-lg);
  background: rgba(255,255,255,.66);
  border: 1px solid rgba(255,255,255,.85);
  box-shadow: 0 10px 30px -18px rgba(10,77,122,.25);
  transition: transform .28s var(--ease-out), box-shadow .28s ease;
}
.pillar:hover { transform: translateX(10px); box-shadow: var(--shadow-card); }
.pillar:nth-child(even) { margin-left: clamp(0px, 4vw, 54px); }
.pillar-icon {
  flex: none; width: 50px; height: 50px; border-radius: 16px;
  display: grid; place-items: center; color: var(--white);
  background: var(--grad-primary);
  box-shadow: 0 10px 22px -8px var(--glow-blue);
}
.pillar h3 { font-size: 1.02rem; margin: 2px 0 4px; }
.pillar p { font-size: .86rem; color: var(--navy-60); margin: 0; }
.pillar-step { font-family: var(--font-display); font-size: .68rem; font-weight: 700; letter-spacing: .2em; color: var(--deep); }

/* ---------- 16 · COA PREVIEW ---------- */
.coa-wrap { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(30px, 5vw, 70px); align-items: center; }
.coa-panel { padding: clamp(26px, 4vw, 44px); position: relative; overflow: clip; }
.coa-panel::after {
  content: ""; position: absolute; top: -60px; right: -60px; width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(169,216,255,.55), transparent 70%); pointer-events: none;
}
.coa-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
.coa-head h3 { margin: 0 0 2px; font-size: 1.25rem; }
.coa-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: .45em 1em; border-radius: var(--r-pill);
  font-size: .74rem; font-weight: 700; letter-spacing: .04em;
  color: #0d7a4d; background: rgba(55, 201, 126, .14); border: 1px solid rgba(55, 201, 126, .4);
  white-space: nowrap;
}
.coa-grid { display: flex; flex-direction: column; gap: 24px; }
/* demonstration-data badge (amber, matches the demo note) */
.coa-badge--demo {
  color: #7a5a0d; background: rgba(255, 196, 87, .14); border-color: rgba(214, 152, 24, .4);
}
/* precise figures + report link inside the analytical rows */
.coa-figure { font-variant-numeric: tabular-nums; }
.coa-link { color: var(--deep); text-decoration: underline; text-underline-offset: 2px; font-weight: 600; }
.coa-link:hover { color: var(--navy); }
/* — laboratory linear purity gauge (replaces the old donut ring) — */
.purity-gauge {
  padding: 18px 20px 14px; border-radius: var(--r-md);
  background: rgba(255,255,255,.72); border: 1px solid rgba(10,77,122,.1);
}
/* static, decorative scale variant used in the analytical report panel */
.purity-gauge--plain { margin-top: 18px; padding: 14px 16px 12px; }
.purity-gauge--plain .pg-fill { box-shadow: none; }
.pg-head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 12px; }
.pg-label { font-family: var(--font-display); font-size: .68rem; font-weight: 700; letter-spacing: .2em; color: var(--deep); text-transform: uppercase; }
.pg-value {
  font-family: var(--font-display); font-weight: 700; font-size: 2rem; line-height: 1;
  color: var(--navy); font-variant-numeric: tabular-nums; letter-spacing: 0;
}
.pg-track {
  position: relative; height: 12px; border-radius: 3px;
  background: rgba(10,77,122,.08); overflow: hidden;
}
.pg-fill {
  position: absolute; inset: 0 auto 0 0; width: 0%;
  background: var(--grad-primary); border-radius: 3px 0 0 3px;
  box-shadow: 0 0 10px rgba(94,182,245,.5);
}
.pg-fill::after { /* precise end line */
  content: ""; position: absolute; right: 0; top: -1px; bottom: -1px; width: 2px; background: var(--deep);
}
.pg-ticks { display: block; width: 100%; height: 8px; margin-top: 5px; color: rgba(8,43,69,.4); }
.pg-scale { display: flex; justify-content: space-between; margin-top: 3px; font-size: .62rem; font-variant-numeric: tabular-nums; color: var(--navy-40); letter-spacing: .04em; }
.pg-caption { display: block; margin-top: 10px; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-40); }
.coa-rows { display: flex; flex-direction: column; gap: 0; }
.coa-row { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px dashed rgba(10,77,122,.12); font-size: .86rem; }
.coa-row:last-child { border-bottom: 0; }
.coa-row dt { color: var(--navy-60); margin: 0; }
.coa-row dd { margin: 0; font-weight: 600; color: var(--navy); text-align: right; }
.coa-foot { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.coa-demo-note {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 16px; border-radius: var(--r-sm);
  background: rgba(255, 196, 87, .14); border: 1px solid rgba(214, 152, 24, .35);
  font-size: .78rem; color: #7a5a0d; font-weight: 500;
}
.coa-demo-note svg { flex: none; margin-top: 2px; }

/* ---------- 17 · QUALITY TIMELINE ---------- */
.timeline { position: relative; max-width: 760px; margin-inline: auto; padding-left: 40px; }
.timeline-line { position: absolute; left: 11px; top: 8px; bottom: 8px; width: 3px; border-radius: 3px; background: rgba(10,77,122,.1); overflow: hidden; }
.timeline-line i { position: absolute; inset: 0 0 auto; height: 0%; background: var(--grad-primary); border-radius: 3px; transition: height .2s linear; box-shadow: 0 0 14px var(--glow-blue); }
.tl-stage { position: relative; padding: 0 0 44px; }
.tl-stage:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -40px; top: 4px; width: 25px; height: 25px; border-radius: 50%;
  background: var(--white); border: 3px solid rgba(10,77,122,.18);
  display: grid; place-items: center; transition: border-color .5s ease, box-shadow .5s ease, background .5s ease;
}
.tl-dot::after { content: ""; width: 9px; height: 9px; border-radius: 50%; background: rgba(10,77,122,.18); transition: background .5s ease, transform .5s var(--ease-spring); }
.tl-stage.lit .tl-dot { border-color: var(--medium); box-shadow: 0 0 0 7px rgba(94,182,245,.16), 0 0 22px var(--glow-blue); }
.tl-stage.lit .tl-dot::after { background: var(--medium); transform: scale(1.15); }
.tl-body { padding: 18px 24px; border-radius: var(--r-md); background: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.85); transition: box-shadow .5s ease, background .5s ease, transform .5s var(--ease-out); }
.tl-stage.lit .tl-body { background: rgba(255,255,255,.85); box-shadow: var(--shadow-card); transform: translateX(6px); }
.tl-num { font-family: var(--font-display); font-size: .68rem; font-weight: 700; letter-spacing: .22em; color: var(--deep); }
.tl-body h3 { font-size: 1.08rem; margin: 4px 0 6px; }
.tl-body p { font-size: .86rem; color: var(--navy-60); margin: 0; }

/* ---------- 18 · CATEGORIES EXPLORER ---------- */
.cat-explorer { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(26px, 4vw, 60px); align-items: stretch; }
.cat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: start; }
.cat-btn {
  display: flex; align-items: center; gap: 14px; text-align: left;
  padding: 16px 18px; border-radius: var(--r-md);
  background: rgba(255,255,255,.6); border: 1.5px solid rgba(255,255,255,.85);
  transition: border-color .25s ease, background .25s ease, transform .25s var(--ease-out), box-shadow .25s ease;
}
.cat-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.cat-btn.active { border-color: var(--medium); background: rgba(255,255,255,.92); box-shadow: var(--shadow-card); }
.cat-btn b { font-family: var(--font-display); font-size: .9rem; font-weight: 600; display: block; }
.cat-btn small { font-size: .7rem; color: var(--navy-40); }
.cat-icon { flex: none; width: 44px; height: 44px; }
.cat-icon svg { width: 100%; height: 100%; overflow: visible; }
.cat-icon .orbit { transform-origin: 22px 22px; animation: catOrbit 9s linear infinite; }
.cat-icon .orbit--rev { animation-direction: reverse; animation-duration: 13s; }
@keyframes catOrbit { to { transform: rotate(360deg); } }
.cat-detail { position: relative; padding: clamp(26px, 4vw, 40px); display: flex; flex-direction: column; justify-content: center; min-height: 320px; overflow: clip; }
.cat-detail::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(10,77,122,.07) 1px, transparent 1px); background-size: 26px 26px;
}
.cat-detail-inner { position: relative; transition: opacity .35s ease, transform .35s var(--ease-out); }
.cat-detail-inner.swap { opacity: 0; transform: translateY(12px); }
.cat-detail h3 { font-size: 1.5rem; }
.cat-detail p { color: var(--navy-60); font-size: .95rem; }
.cat-detail .chip { margin-bottom: 16px; }
.cat-count { font-family: var(--font-display); font-weight: 700; color: var(--deep); }

/* ---------- 19 · BRAND STATEMENT ---------- */
.statement { text-align: center; position: relative; overflow: clip; }
.statement h2 { font-size: clamp(2.2rem, 6vw, 4.6rem); font-weight: 700; letter-spacing: -.03em; max-width: 17ch; margin-inline: auto; }
.statement .lede { margin: 22px auto 0; }
.statement-kicker { margin-top: 26px; font-family: var(--font-display); font-weight: 600; color: var(--deep); font-size: 1.02rem; }
.showcase-frame {
  max-width: 780px; margin: clamp(34px, 5vw, 56px) auto 0;
  padding: 14px; border-radius: var(--r-xl);
}
.showcase-frame img {
  width: 100%; height: auto; aspect-ratio: 1448 / 1086; object-fit: cover;
  border-radius: var(--r-lg); display: block;
}
.showcase-frame figcaption { margin-top: 12px; text-align: center; }

/* ---------- 20 · RESOURCES ---------- */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.article-card {
  display: flex; flex-direction: column; border-radius: var(--r-lg); overflow: clip;
  background: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.9);
  box-shadow: var(--shadow-card);
  transition: transform .28s var(--ease-out), box-shadow .28s ease;
}
.article-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-pop); }
.article-thumb { height: 150px; position: relative; overflow: clip; }
.article-thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.55) 1.4px, transparent 1.4px); background-size: 20px 20px;
  -webkit-mask-image: linear-gradient(120deg, #000 20%, transparent 75%); mask-image: linear-gradient(120deg, #000 20%, transparent 75%);
}
.article-thumb--1 { background: linear-gradient(130deg, #A9D8FF, #5EB6F5 60%, #2E86C9); }
.article-thumb--2 { background: linear-gradient(130deg, #DCEFFF, #A9D8FF 55%, #5EB6F5); }
.article-thumb--3 { background: linear-gradient(130deg, #5EB6F5, #0A4D7A 75%); }
.article-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.article-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.article-card h3 { font-size: 1.1rem; margin: 0 0 8px; }
.article-card p { font-size: .85rem; color: var(--navy-60); flex: 1; }
.article-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .86rem; color: var(--deep); }
.article-link svg { transition: transform .3s var(--ease-spring); }
.article-card:hover .article-link svg { transform: translateX(5px); }

/* ---------- 21 · EMAIL SIGNUP ---------- */
.signup-panel { padding: clamp(34px, 6vw, 64px); text-align: center; position: relative; overflow: clip; }
.signup-panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(94,182,245,.14) 1.3px, transparent 1.3px); background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000, transparent 80%); mask-image: radial-gradient(ellipse at 50% 0%, #000, transparent 80%);
}
.signup-panel .lede { margin-inline: auto; }
.signup-form { display: flex; gap: 10px; max-width: 480px; margin: 28px auto 14px; position: relative; }
.signup-form input {
  flex: 1; min-width: 0; padding: .95em 1.4em; border-radius: var(--r-pill);
  border: 1.5px solid rgba(10,77,122,.16); background: rgba(255,255,255,.85);
  color: var(--navy); transition: border-color .3s ease, box-shadow .3s ease;
}
.signup-form input:focus { outline: none; border-color: var(--medium); box-shadow: 0 0 0 4px rgba(94,182,245,.18); }
.signup-success { display: none; align-items: center; justify-content: center; gap: 10px; margin: 28px auto 14px; font-family: var(--font-display); font-weight: 600; color: #0d7a4d; }
.signup-panel.sent .signup-form { display: none; }
.signup-panel.sent .signup-success { display: flex; }

/* ---------- 22 · FOOTER ---------- */
.site-footer { background: linear-gradient(180deg, var(--navy) 0%, #051D30 100%); color: rgba(248, 252, 255, .82); position: relative; overflow: clip; }
.site-footer::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(169,216,255,.08) 1.3px, transparent 1.3px); background-size: 30px 30px;
}
.footer-inner { position: relative; padding: 84px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(248,252,255,.12); }
.footer-brand p { font-size: .86rem; color: rgba(248,252,255,.78); max-width: 30ch; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-socials { display: flex; gap: 10px; margin-top: 18px; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(248,252,255,.08); color: var(--sky);
  transition: background .3s ease, transform .3s var(--ease-spring);
}
.footer-socials a:hover { background: rgba(94,182,245,.25); transform: translateY(-3px); }
.footer-col h4 { font-size: .8rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--sky); margin-bottom: 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: .88rem; color: rgba(248,252,255,.82); transition: color .25s ease, padding-left .25s ease; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-cert { margin-top: 20px; display: flex; gap: 8px; }
.footer-cert input {
  flex: 1; min-width: 0; padding: .65em 1em; border-radius: var(--r-pill);
  border: 1px solid rgba(248,252,255,.2); background: rgba(248,252,255,.06); color: #fff; font-size: .8rem;
}
.footer-cert input::placeholder { color: rgba(248,252,255,.55); }
.footer-cert button { padding: .65em 1.2em; font-size: .78rem; }
.footer-legal { padding-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.footer-disclaimers { display: grid; gap: 12px; }
.footer-disclaimer {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 18px; border-radius: var(--r-md);
  background: rgba(94,182,245,.1); border: 1px solid rgba(94,182,245,.25);
  font-size: .8rem; color: var(--ice); line-height: 1.55;
}
.footer-disclaimer svg { flex: none; margin-top: 2px; color: var(--sky); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; justify-content: space-between; font-size: .76rem; color: rgba(248,252,255,.66); }
.footer-bottom ul { list-style: none; display: flex; flex-wrap: wrap; gap: 18px; margin: 0; padding: 0; }
.footer-bottom a:hover { color: #fff; }

/* ---------- 23 · CUSTOM CURSOR ---------- */
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 3000; border-radius: 50%; will-change: transform; }
.cursor-dot { width: 8px; height: 8px; background: var(--medium); margin: -4px 0 0 -4px; }
.cursor-ring {
  width: 38px; height: 38px; margin: -19px 0 0 -19px;
  border: 1.5px solid rgba(94,182,245,.55); background: rgba(169,216,255,.1);
  transition: width .3s var(--ease-out), height .3s var(--ease-out), margin .3s var(--ease-out), background .3s ease, border-color .3s ease;
}
.cursor-ring.grow { width: 62px; height: 62px; margin: -31px 0 0 -31px; background: rgba(169,216,255,.22); border-color: rgba(94,182,245,.85); }
body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }

/* ---------- 24 · REVEAL ENGINE ---------- */
[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s var(--ease-out); transition-delay: var(--reveal-delay, 0s); will-change: opacity, transform; }
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="scale"] { transform: scale(.92); }
[data-reveal].revealed { opacity: 1; transform: none; }

/* ---------- 25 · RESPONSIVE ---------- */
@media (max-width: 1080px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-stage { order: -1; margin: -14px 0 8px; }
  .stage3d { width: min(92vw, 560px); }
  .hero-copy { max-width: 640px; }
  .why-copy { position: static; }
}
@media (max-width: 900px) {
  .nav-links, .nav-cta, .nav-icon-btn--desktop { display: none; }
  .nav-burger { display: grid; }
  .why-wrap, .coa-wrap, .cat-explorer { grid-template-columns: 1fr; }
  .pillar:nth-child(even) { margin-left: 0; }
  .articles-grid { grid-template-columns: 1fr; }
  .cat-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 40px); }
  .products-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero { padding-bottom: 90px; }
  .hero-ctas .btn { flex: 1 1 auto; justify-content: center; }
  .coa-rows { width: 100%; }
  .coa-row dd { text-align: right; }
  .pg-value { font-size: 1.6rem; }
  .timeline { padding-left: 34px; }
  .tl-dot { left: -34px; }
  .divider { height: 50px; }
  .marquee-track { gap: 34px; padding-right: 34px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 380px) {
  .footer-grid { grid-template-columns: 1fr; }
  .brand-word { font-size: 1.14rem; }
  .brand-sub { letter-spacing: .3em; }
}

/* ---------- 26 · REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .marquee { animation: none; flex-wrap: wrap; width: 100%; justify-content: center; }
  [data-reveal] { opacity: 1; transform: none; }
  .cursor-dot, .cursor-ring { display: none; }
}