/* =========================================================
   Blue Infinity Technologies — style.css (rebuild)
   Brand: premium blue metallics · water / purity / wellness
   Fonts: General Sans (display) + Satoshi (body) + Fraunces italic (accent)
   ========================================================= */

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

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

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1240px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10, 29, 74, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 29, 74, 0.08);
  --shadow-lg: 0 22px 44px rgba(10, 29, 74, 0.14);

  /* ---- Brand palette (light) — derived from new logo ---- */
  --color-blue-deep:  #0B3B8C;   /* primary blue */
  --color-blue-bright:#2A8CFF;   /* accent bright */
  --color-blue-ice:   #A8D5FF;   /* highlight */
  --color-navy-deep:  #0A1D4A;   /* dark surface */
  --color-silver:     #C8D3DC;   /* silver / cool grey */
  --color-cream:      #F7FAFE;   /* cream white bg */

  --color-bg: var(--color-cream);
  --color-surface: #FFFFFF;
  --color-surface-2: #F0F6FE;
  --color-surface-offset: #E9F1FB;
  --color-surface-navy: var(--color-navy-deep);
  --color-divider: #DDE5EE;
  --color-border: #C8D3DC;

  --color-text: #0A1D4A;
  --color-text-muted: #4B5C74;
  --color-text-faint: #8B99AE;
  --color-text-inverse: #F7FAFE;

  --color-primary: var(--color-blue-deep);
  --color-primary-hover: #082e6f;
  --color-accent: var(--color-blue-bright);
  --color-accent-hover: #1877ee;

  /* Fonts */
  --font-display: 'General Sans', 'Inter', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --font-serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
}

[data-theme='dark'] {
  --color-bg: #050D24;
  --color-surface: #0A1734;
  --color-surface-2: #0E1E42;
  --color-surface-offset: #12224A;
  --color-surface-navy: #030818;
  --color-divider: #1B2A54;
  --color-border: #26386A;

  --color-text: #E8EFFB;
  --color-text-muted: #94A6C4;
  --color-text-faint: #5E6D8B;
  --color-text-inverse: #0A1D4A;

  --color-primary: #4A9BFF;
  --color-primary-hover: #6BB0FF;
  --color-accent: #7BB8FF;
  --color-accent-hover: #A8D5FF;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.35);
  --shadow-md: 0 8px 26px rgba(0,0,0,0.45);
  --shadow-lg: 0 22px 44px rgba(0,0,0,0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #050D24;
    --color-surface: #0A1734;
    --color-surface-2: #0E1E42;
    --color-surface-offset: #12224A;
    --color-surface-navy: #030818;
    --color-divider: #1B2A54;
    --color-border: #26386A;
    --color-text: #E8EFFB;
    --color-text-muted: #94A6C4;
    --color-text-faint: #5E6D8B;
    --color-text-inverse: #0A1D4A;
    --color-primary: #4A9BFF;
    --color-primary-hover: #6BB0FF;
    --color-accent: #7BB8FF;
    --color-accent-hover: #A8D5FF;
  }
}

/* --------- BASE --------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  background-image:
    radial-gradient(1100px 700px at 90% -10%, rgba(42, 140, 255, 0.10), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(11, 59, 140, 0.06), transparent 60%);
}
img, picture, svg, video, canvas { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  text-wrap: balance;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--color-text);
}
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
p, li, figcaption { text-wrap: pretty; max-width: 68ch; }

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

::selection { background: rgba(42, 140, 255, 0.25); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }
a, button, [role='button'], input, textarea, select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* --------- TOP NOTICE --------- */
.top-notice {
  background: var(--color-navy-deep);
  color: #F7FAFE;
  font-size: var(--text-xs);
  text-align: center;
  padding: 8px var(--space-4);
  letter-spacing: 0.02em;
}
.top-notice em { font-style: italic; color: var(--color-blue-ice); font-family: var(--font-serif); }

/* --------- LAYOUT --------- */
.container {
  width: min(100% - var(--space-8), var(--content-wide));
  margin-inline: auto;
}
.container-narrow { width: min(100% - var(--space-8), var(--content-default)); margin-inline: auto; }

.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section-tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px; background: currentColor; display: inline-block;
}

/* --------- NAV --------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.nav.is-scrolled {
  border-bottom-color: var(--color-divider);
  background: color-mix(in srgb, var(--color-bg) 94%, transparent);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--color-text); }
.brand-mark {
  height: 44px;
  width: auto;
}
.brand-name { display: inline-flex; flex-direction: column; line-height: 1.05; }
.brand-name em {
  font-style: normal; color: var(--color-text-muted); font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
}

/* Tagline sits on its own row under the whole header,
   left-aligned under the logo, leaving the nav row uncluttered. */
.brand-tagline-row {
  padding-block: 0 var(--space-3);
  margin-top: -4px;
}
.brand-tagline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text);
  padding-left: 0; /* align flush with the logo's left edge */
}
.brand-bullet {
  display: inline-block;
  margin: 0 6px;
  color: currentColor;
  font-weight: 700;
  transform: translateY(-1px);
}
@media (max-width: 640px) {
  .brand-tagline {
    font-size: 11px;
    letter-spacing: 0.12em;
  }
  .brand-bullet { margin: 0 4px; }
}

.nav-links { display: flex; gap: var(--space-6); align-items: center; }
.language-switch { display:flex; align-items:center; gap:var(--space-2); flex-shrink:0; font-size:var(--text-xs); }
.language-switch a { padding:var(--space-2); border-radius:4px; text-decoration:none; color:var(--color-text-muted); }
.language-switch a[aria-current="true"] { background:var(--color-surface-offset); color:var(--color-text); font-weight:700; }
.language-switch a:focus-visible { outline:2px solid var(--color-accent); outline-offset:2px; }
.ingredient-section { max-width:900px; }
.ingredient-section h2 { margin-bottom:var(--space-6); font-size:clamp(30px,3.2vw,44px); line-height:1.2; }
.ingredient-section h3 { margin-top:var(--space-8); margin-bottom:var(--space-4); }
.ingredient-section p { max-width:75ch; margin-bottom:var(--space-5); }
.evidence-jump { margin-top:var(--space-6); }
.evidence-teaser { display:grid; grid-template-columns:minmax(0,1.6fr) minmax(0,1fr); gap:var(--space-10); align-items:center; padding:var(--space-10); background:var(--color-surface-offset); border:1px solid var(--color-divider); border-radius:var(--radius-xl); }
.evidence-teaser h2 { margin:var(--space-4) 0; }
.evidence-teaser p { color:var(--color-text-muted); }
.evidence-teaser-action { justify-self:end; }
.evidence-teaser-action p { margin-top:var(--space-4); font-size:var(--text-sm); max-width:28ch; }
.evidence-section { scroll-margin-top:var(--space-16); }
.evidence-intro { margin-block:var(--space-8); max-width:90ch; }
.evidence-intro p { margin-top:var(--space-3); color:var(--color-text-muted); max-width:none; }
.evidence-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:var(--space-6); }
.evidence-card { display:flex; flex-direction:column; gap:var(--space-5); padding:var(--space-6); border:1px solid var(--color-divider); border-top:3px solid var(--color-primary); background:var(--color-surface); border-radius:var(--radius-lg); }
.evidence-index { color:var(--color-accent); font-size:var(--text-xs); letter-spacing:.06em; }
.evidence-card h3 { font-size:var(--text-lg); }
.evidence-card p { font-size:var(--text-sm); color:var(--color-text-muted); }
.evidence-card .report-ref { font-size:var(--text-xs); }
.evidence-scope { border-top:1px solid var(--color-divider); padding-top:var(--space-4); }
.document-link { font-size:var(--text-sm); font-weight:600; text-decoration:underline; text-underline-offset:4px; }
.evidence-card .document-link { margin-top:auto; padding-top:var(--space-3); }
.evidence-followup { margin-top:var(--space-8); border-left:3px solid var(--color-primary); padding:var(--space-6); background:var(--color-surface-offset); }
.evidence-followup p { margin-top:var(--space-4); max-width:95ch; }
.supplier-documents { margin-top:var(--space-8); border-block:1px solid var(--color-divider); padding-block:var(--space-6); }
.supplier-documents summary { cursor:pointer; font-weight:600; font-size:var(--text-base); }
.supplier-documents p { margin-top:var(--space-5); max-width:90ch; color:var(--color-text-muted); }
.supplier-documents li { margin-top:var(--space-5); }
.evidence-document-note { margin-top:var(--space-6); font-size:var(--text-xs); color:var(--color-text-muted); max-width:110ch; }
@media(max-width:900px) {
  .evidence-grid,.evidence-teaser { grid-template-columns:minmax(0,1fr); }
  .evidence-teaser { padding:var(--space-6); gap:var(--space-6); }
  .evidence-teaser-action { justify-self:start; }
}
.preview-notice { background:var(--color-surface-offset); padding:var(--space-4); border-left:3px solid var(--color-accent); margin-bottom:var(--space-5); }
:lang(zh) { --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif; --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif; }
:lang(zh) h1 { line-height:1.3; letter-spacing:.015em; }
:lang(zh) .eyebrow, :lang(zh) .brand-tagline { letter-spacing:.06em; }
:lang(zh) p { line-height:1.85; }
:lang(zh) .brand-name { font-family:"Satoshi",sans-serif; }
@media(max-width:1100px) and (min-width:901px) { .nav-links { gap:var(--space-3); } .nav-inner { gap:var(--space-3); } }
@media(max-width:900px) {
  .nav-inner { gap:var(--space-2); }
  .nav-inner > nav { margin-left:auto; }
  .language-switch { margin-left:auto; gap:0; }
  .brand { font-size:20px; gap:var(--space-2); }
  .brand-name em { font-size:10px; }
  .brand-mark { width:36px; height:auto; flex-shrink:0; }
  .brand-tagline { font-size:12px; letter-spacing:.06em; }
  .nav-links:not(.is-open) { visibility:hidden; pointer-events:none; }
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-1);
  position: relative;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--color-text); }
.nav-links a.is-active::after {
  content: ''; position: absolute; left: var(--space-1); right: var(--space-1); bottom: -4px;
  height: 2px; background: var(--color-accent); border-radius: 2px;
}
.nav-cta {
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary);
  font-weight: 500;
}
.nav-cta:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.nav-toggle-theme {
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
}
.nav-toggle-theme:hover { color: var(--color-text); border-color: var(--color-text-muted); }

.nav-burger {
  display: none;
  width: 36px; height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    inset: 100% 0 auto 0;
    background: var(--color-bg);
    padding: var(--space-6);
    flex-direction: column;
    align-items: flex-start;
    border-bottom: 1px solid var(--color-divider);
    transform: translateY(-8px);
    opacity:0;
    transition: transform var(--transition-interactive), opacity var(--transition-interactive);
    max-height:calc(100dvh - 130px);
    overflow-y:auto;
  }
  .nav-links.is-open { transform: translateY(0); opacity:1; }
  .nav-burger { display: inline-flex; }
}

/* --------- BUTTONS --------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.2;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: var(--color-text-inverse); }
.btn-accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-accent:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color:#fff; }
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-text); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn svg { width: 16px; height: 16px; }

/* --------- HERO --------- */
.hero {
  padding-top: clamp(var(--space-12), 6vw, var(--space-20));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-top: var(--space-6);
  color: var(--color-text);
}
.hero h1 .accent { color: var(--color-accent); font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.hero-lead {
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 52ch;
}
.hero-actions { margin-top: var(--space-8); display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* Four-word strapline strip */
.strapline {
  margin-top: var(--space-8);
  display: inline-flex; flex-wrap: wrap; gap: var(--space-3) var(--space-4);
  color: var(--color-text-muted); font-size: var(--text-xs);
  letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
}
.strapline span { display: inline-flex; align-items: center; gap: var(--space-2); }
.strapline span + span::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--color-accent); display: inline-block;
}

/* Hero visual — logo + water ripples */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: radial-gradient(120% 100% at 30% 20%, #163f96 0%, #0A1D4A 55%, #050D24 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(var(--space-6), 4vw, var(--space-12));
}
.hero-visual img.hero-logo {
  position: relative; z-index: 3;
  max-width: 78%;
  max-height: 78%;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35));
}
.hero-visual .ripple {
  position: absolute;
  left: 50%; top: 50%;
  width: 40%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1.5px solid rgba(168, 213, 255, 0.35);
  transform: translate(-50%, -50%) scale(1);
  animation: ripple 4.8s ease-out infinite;
  z-index: 1;
}
.hero-visual .ripple.r2 { animation-delay: 1.6s; }
.hero-visual .ripple.r3 { animation-delay: 3.2s; }
@keyframes ripple {
  0%   { transform: translate(-50%, -50%) scale(0.4); opacity: 0.9; border-color: rgba(168, 213, 255, 0.55); }
  100% { transform: translate(-50%, -50%) scale(2.4); opacity: 0; border-color: rgba(168, 213, 255, 0); }
}
.hero-visual::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 40% at 20% 15%, rgba(255,255,255,0.15), transparent 60%),
    radial-gradient(40% 30% at 85% 90%, rgba(42, 140, 255, 0.35), transparent 60%);
  pointer-events: none;
  z-index: 2;
}

/* Subtle drifting droplets on hero bg (CSS only) */
.hero .droplets {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.hero .droplets::before,
.hero .droplets::after {
  content: '';
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(42, 140, 255, 0.22), transparent 70%);
  filter: blur(4px);
  animation: drift 18s ease-in-out infinite alternate;
}
.hero .droplets::before { left: -80px; top: 40px; }
.hero .droplets::after {
  right: -60px; bottom: 60px;
  background: radial-gradient(closest-side, rgba(168, 213, 255, 0.35), transparent 70%);
  animation-duration: 22s;
}
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -30px) scale(1.15); }
}

/* --------- CARDS / FEATURES --------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex; flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.card:hover { border-color: var(--color-border); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card h3 { font-size: var(--text-lg); }
.card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.card .card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
}
.card .card-icon svg { width: 22px; height: 22px; }

/* Product card badge */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500;
  padding: 4px 10px; border-radius: var(--radius-full);
  background: var(--color-surface-offset); color: var(--color-primary);
  border: 1px solid var(--color-divider);
}
.badge.pending  { background: #FFF6E5; color: #8A5A00; border-color: #F0DCA8; }
.badge.tba      { background: var(--color-navy-deep); color: var(--color-blue-ice); border-color: transparent; }

/* Section headers */
.section-head {
  display: flex; flex-direction: column; gap: var(--space-3);
  margin-bottom: var(--space-10);
  max-width: 62ch;
}
.section-head h2 { font-size: var(--text-2xl); letter-spacing: -0.02em; }
.section-head p { color: var(--color-text-muted); font-size: var(--text-lg); }

/* --------- BELIEF QUOTE BLOCK --------- */
.belief {
  background: var(--color-surface-navy);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  position: relative;
  overflow: hidden;
}
.belief::before {
  content: '';
  position: absolute; inset: -40% -20% auto auto;
  width: 80%; aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(42, 140, 255, 0.35), transparent 70%);
  pointer-events: none;
}
.belief blockquote {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: var(--text-2xl);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 24ch;
}
.belief cite {
  display: block;
  margin-top: var(--space-6);
  font-style: normal;
  font-family: var(--font-body);
  color: rgba(255,255,255,0.68);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.belief-body { margin-top: var(--space-8); max-width: 55ch; color: rgba(255,255,255,0.82); font-size: var(--text-base); }
.belief-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-10); align-items: end; }
@media (max-width: 900px){ .belief-grid { grid-template-columns: 1fr; } }
.belief .principles { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.belief .principles div { border-top: 1px solid rgba(255,255,255,0.18); padding-top: var(--space-3); }
.belief .principles h4 { color: #fff; font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.belief .principles p { color: rgba(255,255,255,0.72); font-size: var(--text-sm); margin-top: var(--space-2); }

/* --------- CTA STRIP --------- */
.cta-strip {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  background: linear-gradient(120deg, var(--color-surface) 0%, var(--color-surface-offset) 100%);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (max-width: 900px){ .cta-strip { grid-template-columns: 1fr; } }
.cta-strip h2 { font-size: var(--text-2xl); }
.cta-strip p { color: var(--color-text-muted); margin-top: var(--space-3); }
.cta-strip .actions { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 900px){ .cta-strip .actions { justify-content: flex-start; } }

/* --------- FOOTER --------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
  background: var(--color-surface-2);
  margin-top: var(--space-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h5 { font-family: var(--font-display); font-size: var(--text-sm); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text); margin-bottom: var(--space-4); }
.footer ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer a { color: var(--color-text-muted); font-size: var(--text-sm); }
.footer a:hover { color: var(--color-text); }
.footer-quote {
  font-family: var(--font-serif); font-style: italic; color: var(--color-text-muted);
  font-size: var(--text-sm); max-width: 40ch; margin-top: var(--space-3);
}
.footer-logo { max-width: 260px; margin-bottom: var(--space-4); }

/* Usage grid — industries where Infinity Clean is used */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.usage-card {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.usage-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-blue-ice, #A8D5FF);
  box-shadow: 0 12px 32px -18px rgba(11, 59, 140, 0.28);
}
.usage-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.usage-card figcaption {
  padding: var(--space-4) var(--space-5) var(--space-5);
}
.usage-card figcaption h4 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}
.usage-card figcaption p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.footer-fine {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}
.footer-legal {
  margin-top: var(--space-4);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  max-width: 68ch;
}

/* --------- FORMS --------- */
.form { display: flex; flex-direction: column; gap: var(--space-5); }
.form-row { display: grid; gap: var(--space-2); }
.form label { font-size: var(--text-sm); font-weight: 500; color: var(--color-text); }
.form .hint { font-size: var(--text-xs); color: var(--color-text-muted); }
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(42, 140, 255, 0.18);
  outline: none;
}
.form textarea { resize: vertical; min-height: 120px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 640px){ .form-row-2 { grid-template-columns: 1fr; } }

.card-form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-md);
}

/* --------- AUTH SPLIT --------- */
.auth-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
@media (max-width: 900px){ .auth-wrap { grid-template-columns: 1fr; gap: var(--space-8); } }
.auth-side {
  background: var(--color-surface-navy);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-16));
  min-height: 460px;
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-8);
}
.auth-side::after {
  content: '';
  position: absolute; inset: auto -20% -30% auto;
  width: 75%; aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(42, 140, 255, 0.35), transparent 70%);
}
.auth-side .auth-logo { max-width: 220px; position: relative; z-index: 2; }
.auth-side .quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: 1.25;
  max-width: 22ch;
  position: relative; z-index: 2;
}
.auth-side .cite { margin-top: var(--space-4); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.7); position: relative; z-index: 2; }

/* --------- ORDER TRACKER --------- */
.tracker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-8) 0;
  position: relative;
}
.tracker::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 8%; right: 8%;
  height: 2px;
  background: var(--color-divider);
  z-index: 0;
}
.tracker-step {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: var(--space-2);
}
.tracker-dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-divider);
  color: var(--color-text-muted);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-family: var(--font-display);
  transition: all 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.tracker-step.is-active .tracker-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 0 6px rgba(42, 140, 255, 0.18);
}
.tracker-step.is-done .tracker-dot {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.tracker-step .label { font-size: var(--text-sm); font-weight: 500; }
.tracker-step .sub { font-size: var(--text-xs); color: var(--color-text-muted); }

.confirmation {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(120deg, var(--color-surface) 0%, rgba(42,140,255,0.06) 100%);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  display: none;
}
.confirmation.is-visible { display: block; }
.confirmation h2 { font-size: var(--text-xl); }
.confirmation p { color: var(--color-text-muted); margin-top: var(--space-2); }
.confirmation .summary {
  margin-top: var(--space-6);
  display: grid; gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.confirmation .summary dt { color: var(--color-text-muted); font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; }
.confirmation .summary dd { font-weight: 500; margin-bottom: var(--space-2); }

/* --------- PRODUCT PAGE --------- */
.product-hero {
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}
.product-hero h1 { font-size: var(--text-3xl); letter-spacing: -0.03em; margin-top: var(--space-6); }
.product-hero p { color: var(--color-text-muted); font-size: var(--text-lg); margin-top: var(--space-4); max-width: 55ch; }

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}
.product-card + .product-card { margin-top: var(--space-6); }
.product-card .pc-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--space-8); }
@media (max-width: 900px) { .product-card .pc-inner { grid-template-columns: 1fr; } }
.product-tag {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-accent); font-weight: 500;
}
.product-card h3 { font-size: var(--text-xl); margin-top: var(--space-3); }
.former {
  color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-1);
  font-style: italic; font-family: var(--font-serif);
}
.product-card .desc { color: var(--color-text-muted); margin-top: var(--space-3); font-size: var(--text-base); max-width: 55ch; }
.product-features { display: grid; gap: var(--space-3); margin-top: var(--space-5); }
.product-features li {
  display: flex; gap: var(--space-3);
  font-size: var(--text-sm); color: var(--color-text);
  list-style: none;
}
.product-features li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); margin-top: 9px; flex-shrink: 0;
}
.spec-table {
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: grid; gap: var(--space-3);
}
.spec-table h4 { font-family: var(--font-display); font-size: var(--text-sm); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text); }
.spec-table dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px var(--space-4); font-size: var(--text-sm); }
.spec-table dt { color: var(--color-text-muted); }
.spec-table dd { color: var(--color-text); font-weight: 500; }
.pending-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-top: 1px dashed var(--color-divider);
  padding-top: var(--space-3);
  font-style: italic;
}

/* Product mini card (used on home) */
.mini-product {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-3);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
  position: relative;
}
.mini-product:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-border); }
.mini-product .name { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--color-text); }
.mini-product .name .infinity { color: var(--color-accent); font-weight: 500; }
.mini-product .pos { color: var(--color-text-muted); font-size: var(--text-sm); }
.mini-product .kv { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2); }
.mini-product .kv span {
  font-size: 11px; padding: 4px 10px; border-radius: var(--radius-full);
  background: var(--color-surface-offset); color: var(--color-text-muted); border: 1px solid var(--color-divider);
}
.mini-product .price { color: var(--color-primary); font-weight: 600; font-size: var(--text-sm); }
.mini-product .cta { margin-top: auto; font-size: var(--text-sm); color: var(--color-accent); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }

/* Coming soon strip */
.coming {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  background: var(--color-navy-deep);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}
@media (max-width: 720px) { .coming { grid-template-columns: 1fr; } }
.coming::before {
  content: ''; position: absolute; right: -100px; top: -100px; width: 300px; height: 300px;
  background: radial-gradient(closest-side, rgba(42,140,255,0.35), transparent 70%);
  pointer-events: none;
}
.coming .item {
  padding: var(--space-5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  position: relative;
  z-index: 1;
}
.coming .item h4 { color: #fff; font-family: var(--font-display); font-size: var(--text-base); margin-top: var(--space-2); }
.coming .item p { color: rgba(255,255,255,0.75); font-size: var(--text-sm); margin-top: var(--space-2); }

/* Trust strip */
.trust-strip {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  font-style: italic;
  font-family: var(--font-serif);
}

/* --------- ABOUT --------- */
.about-hero { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }
.about-hero h1 { font-size: var(--text-3xl); letter-spacing: -0.03em; max-width: 22ch; margin-top: var(--space-4); }
.about-lead { color: var(--color-text-muted); font-size: var(--text-lg); margin-top: var(--space-6); max-width: 60ch; }

.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
@media (max-width: 900px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .values-grid { grid-template-columns: 1fr; } }
.value-card {
  padding: var(--space-6);
  border-top: 2px solid var(--color-primary);
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.value-card .num { font-family: var(--font-display); color: var(--color-accent); font-size: var(--text-xs); letter-spacing: 0.14em; font-weight: 500; }
.value-card h3 { font-size: var(--text-lg); margin-top: var(--space-3); }
.value-card p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-2); }

.leadership { display: grid; grid-template-columns: 1fr; gap: var(--space-6); max-width: 1080px; }
@media (min-width: 900px) { .leadership.two-up { grid-template-columns: 1fr 1fr; } }
.leader {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex; gap: var(--space-6); align-items: flex-start;
}
.leader .avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-lg);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.leader .role { color: var(--color-text-muted); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; }
.leader > div:last-child { min-width:0; overflow-wrap:anywhere; }
@media (max-width:560px) { .leader { flex-direction:column; } }
.order-layout { grid-template-columns:minmax(0,1.4fr) minmax(0,1fr); align-items:start; }
@media (max-width:900px) { .order-layout { grid-template-columns:minmax(0,1fr); } }
.leader h3 { font-size: var(--text-lg); margin-top: var(--space-1); }
.leader p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-2); }

/* --------- DISTRIBUTORS --------- */
.dist-hero {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-12); align-items: center;
}
@media (max-width: 900px) { .dist-hero { grid-template-columns: 1fr; } }
.dist-benefits {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
}
@media (max-width: 900px) { .dist-benefits { grid-template-columns: 1fr; } }
.dist-how { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
@media (max-width: 900px) { .dist-how { grid-template-columns: 1fr; } }
.step-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  position: relative;
}
.step-card .num-badge {
  position: absolute; top: -14px; left: var(--space-6);
  background: var(--color-primary); color: #fff;
  border-radius: var(--radius-full); padding: 4px 12px;
  font-size: 11px; letter-spacing: 0.12em; font-weight: 500; text-transform: uppercase;
}
.step-card h3 { font-size: var(--text-base); margin-top: var(--space-2); }
.step-card p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-2); }

.callout {
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface-offset);
  padding: var(--space-5) var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: var(--space-6);
}
.callout strong { color: var(--color-primary); }

/* Utility */
.text-muted { color: var(--color-text-muted); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.center { text-align: center; }

/* ---------- PRODUCT & DEMO VIDEOS ---------- */
.product-videos {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.product-videos figure { margin: 0; }
.product-videos video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.product-videos video.portrait {
  aspect-ratio: 9 / 16;
  max-height: 520px;
  object-fit: contain;
  background: #0b1230;
}
.product-videos figcaption {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* Homepage 'See it in action' teaser */
.demo-teaser {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr 1fr;
  align-items: center;
}
@media (max-width: 900px) { .demo-teaser { grid-template-columns: 1fr; } }
.demo-teaser video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.demo-teaser .demo-copy h2 { font-size: var(--text-2xl); margin-bottom: var(--space-3); }
.demo-teaser .demo-copy p { color: var(--color-text-muted); max-width: 44ch; }

/* Science block on About */
.science-block {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--space-6);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
@media (max-width: 800px) { .science-block { grid-template-columns: 1fr; } }
.science-block figure { margin: 0; }
.science-block img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #fff;
}
.science-block figcaption {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  font-style: italic;
}
.science-block h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.science-block p { color: var(--color-text-muted); font-size: var(--text-base); }
.science-block .science-stat {
  display: inline-block;
  margin-top: var(--space-3);
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: var(--text-sm);
}
.science-footnote {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  margin-top: var(--space-3);
}