/* ==========================================================================
   Advanced Alliance — Design System
   Style: Trust & Authority (medical / scientific B2B)
   Fonts: Figtree (headings) + Noto Sans (body)
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand colors — from the Advanced Alliance logo (navy #18183C + green #53B849) */
  --color-primary: #18183C;      /* logo navy */
  --color-primary-700: #2A2A55;
  --color-on-primary: #FFFFFF;
  --color-secondary: #3A3A5C;
  --color-accent: #53B849;       /* brand green CTA */
  --color-accent-600: #46A23D;
  --color-accent-700: #3A8A31;
  --color-accent-soft: #E8F6E3;
  --color-background: #F7F9F7;
  --color-surface: #FFFFFF;
  --color-foreground: #0B0B1F;
  --color-muted: #ECEEF1;
  --color-muted-fg: #5F6473;
  --color-border: #E2E5EA;
  --color-success: #15803D;
  --color-success-soft: #DCFCE7;
  --color-destructive: #DC2626;
  --color-ring: #53B849;

  /* Typography */
  --font-heading: 'Figtree', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Noto Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Type scale */
  --text-xs: 0.78rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 3.75rem;

  /* Spacing rhythm (8pt) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --shadow-accent: 0 8px 24px rgba(3, 105, 161, 0.25);

  /* Layout */
  --container: 1200px;
  --container-wide: 1320px;
  --nav-height: 76px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 220ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--color-primary); }

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

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--space-5); }
.container-wide { max-width: var(--container-wide); }
.section { padding-block: var(--space-12); }
.section-sm { padding-block: var(--space-10); }
.center { text-align: center; }
.grid { display: grid; gap: var(--space-6); }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* ---------- Eyebrow / section headers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-sm); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--color-accent);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--color-accent); border-radius: 2px; }
.eyebrow.center-eyebrow { justify-content: center; }

.section-head { max-width: 680px; margin-bottom: var(--space-8); }
.section-head.center { margin-inline: auto; }
.section-head h2 { font-size: var(--text-3xl); margin-top: var(--space-3); }
.section-head p { margin-top: var(--space-4); color: var(--color-secondary); font-size: var(--text-lg); }
.lead { font-size: var(--text-lg); color: var(--color-secondary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-heading); font-weight: 600; font-size: var(--text-base);
  padding: 0.8rem 1.5rem; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); white-space: nowrap;
  min-height: 48px;
}
.btn:focus-visible { outline: 3px solid var(--color-ring); outline-offset: 2px; }
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-accent); }
.btn-primary:hover { background: var(--color-accent-700); }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-700); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-soft); }
.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-muted); }
.btn-light { background: #fff; color: var(--color-primary); }
.btn-light:hover { background: var(--color-accent-soft); }
.btn-lg { padding: 1rem 1.9rem; font-size: var(--text-lg); }
.btn-sm { padding: 0.55rem 1rem; min-height: 40px; font-size: var(--text-sm); }
.btn-block { width: 100%; }
.btn svg { width: 18px; height: 18px; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-accent-soft); }

/* ---------- Pills / badges ---------- */
.pill {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-heading); font-size: var(--text-xs); font-weight: 600;
  padding: 0.3rem 0.7rem; border-radius: var(--radius-full); letter-spacing: 0.02em;
}
.pill-accent { background: var(--color-accent-soft); color: var(--color-accent-700); }
.pill-success { background: var(--color-success-soft); color: var(--color-success); }
.pill-muted { background: var(--color-muted); color: var(--color-secondary); }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 250, 252, 0.85); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--color-border); background: rgba(255,255,255,0.92); }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--nav-height); gap: var(--space-6); }
.brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.brand-logo { height: 52px; width: auto; display: block; }
.footer-brand .brand-logo { height: 50px; }
@media (max-width: 560px) { .brand-logo { height: 44px; } }
.brand .mark { width: 40px; height: 40px; flex-shrink: 0; }
.brand .brand-text { font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem; color: var(--color-primary); line-height: 1.1; letter-spacing: -0.01em; }
.brand .brand-text small { display: block; font-size: 0.66rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-accent); }

.nav-links { display: flex; align-items: center; gap: var(--space-1); }
.nav-links a {
  font-family: var(--font-heading); font-weight: 500; font-size: 0.95rem; color: var(--color-secondary);
  padding: 0.5rem 0.85rem; border-radius: var(--radius-sm); transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--color-primary); background: var(--color-muted); }
.nav-links a.active { color: var(--color-accent); }
.nav-actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

/* ---- Shop mega-menu ---- */
.nav-mega { position: relative; }
.nav-mega-btn { display: inline-flex; align-items: center; gap: 4px; font-family: var(--font-heading); font-weight: 500; font-size: 0.95rem; color: var(--color-secondary); padding: 0.5rem 0.85rem; border-radius: var(--radius-sm); background: none; border: none; cursor: pointer; transition: color var(--dur) var(--ease), background var(--dur) var(--ease); }
.nav-mega-btn:hover, .nav-mega.open .nav-mega-btn { color: var(--color-primary); background: var(--color-muted); }
.nav-mega-btn.active { color: var(--color-accent); }
.nav-mega-btn svg { width: 15px; height: 15px; transition: transform var(--dur) var(--ease); }
.mega-panel { position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%) translateY(8px); width: min(720px, 90vw); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-5); opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); z-index: 120; display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--space-5); }
.mega-panel::before { content: ""; position: absolute; top: -16px; left: 0; right: 0; height: 16px; }
.nav-mega:hover .mega-panel, .nav-mega:focus-within .mega-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-mega:hover .nav-mega-btn svg, .nav-mega:focus-within .nav-mega-btn svg { transform: rotate(180deg); }
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.mega-card { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-3); border-radius: var(--radius); transition: background var(--dur) var(--ease); }
.mega-card:hover { background: var(--color-accent-soft); }
.mega-card .mega-ic { width: 38px; height: 38px; border-radius: var(--radius-sm); background: var(--color-accent-soft); display: grid; place-items: center; flex-shrink: 0; }
.mega-card:hover .mega-ic { background: #fff; }
.mega-card .mega-ic svg { width: 20px; height: 20px; color: var(--color-accent-700); }
.mega-card h5 { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 600; color: var(--color-primary); margin-bottom: 2px; }
.mega-card p { font-size: var(--text-xs); color: var(--color-muted-fg); line-height: 1.4; }
.mega-feature { background: var(--color-primary); border-radius: var(--radius); padding: var(--space-5); color: #fff; display: flex; flex-direction: column; }
.mega-feature .pill { align-self: flex-start; margin-bottom: var(--space-3); }
.mega-feature h5 { font-family: var(--font-heading); color: #fff; font-size: var(--text-lg); margin-bottom: var(--space-2); }
.mega-feature p { font-size: var(--text-sm); color: #CBD5E1; margin-bottom: var(--space-4); flex: 1; }
.mega-feature .btn { width: 100%; }

.cart-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: var(--radius); border: 1px solid var(--color-border); background: #fff; cursor: pointer; transition: border-color var(--dur) var(--ease); }
.cart-btn:hover { border-color: var(--color-accent); }
.cart-btn svg { width: 20px; height: 20px; color: var(--color-primary); }
.cart-count { position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: var(--radius-full); background: var(--color-accent); color: #fff; font-family: var(--font-heading); font-size: 0.7rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.cart-count[data-count="0"] { display: none; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 46px; height: 46px; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); cursor: pointer; }
.nav-toggle span { width: 20px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }

@media (max-width: 992px) {
  .nav-links { position: fixed; inset: var(--nav-height) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--color-border); padding: var(--space-4); box-shadow: var(--shadow-lg); transform: translateY(-120%); transition: transform var(--dur) var(--ease); }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 0.9rem; font-size: 1.05rem; border-radius: var(--radius); }
  .nav-toggle { display: flex; }
  .nav-cta-desktop { display: none; }
  /* Mega-menu collapses into an expandable section on mobile */
  .nav-mega { width: 100%; }
  .nav-mega-btn { width: 100%; justify-content: space-between; padding: 0.9rem; font-size: 1.05rem; border-radius: var(--radius); }
  .mega-panel { position: static; transform: none; width: 100%; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: var(--space-2) 0 var(--space-2) var(--space-4); grid-template-columns: 1fr; gap: var(--space-1); display: none; }
  .nav-mega.open .mega-panel { display: grid; }
  .mega-grid { grid-template-columns: 1fr; }
  .mega-card { padding: 0.6rem 0.5rem; }
  .mega-feature { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; overflow: hidden; background: var(--color-primary); color: #fff; }
.hero::before { content: ""; position: absolute; inset: 0; background:
  radial-gradient(60% 80% at 80% 0%, rgba(83, 184, 73, 0.42), transparent 60%),
  radial-gradient(50% 60% at 10% 100%, rgba(58, 138, 49, 0.28), transparent 55%); }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(70% 70% at 70% 30%, #000, transparent); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-10); align-items: center; padding-block: var(--space-12); }
.hero-content { max-width: 620px; }
.hero h1 { color: #fff; font-size: var(--text-5xl); letter-spacing: -0.03em; }
.hero h1 .accent { background: linear-gradient(120deg, #6FCB5E, #A7E398); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { margin-top: var(--space-5); font-size: var(--text-xl); color: #CBD5E1; line-height: 1.55; max-width: 540px; }
.hero-actions { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-2); padding: 0.4rem 0.9rem; border-radius: var(--radius-full); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); font-family: var(--font-heading); font-size: var(--text-sm); font-weight: 500; color: #E2E8F0; }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #6FCB5E; box-shadow: 0 0 0 4px rgba(83,184,73,0.25); }

.hero-stats { margin-top: var(--space-8); display: flex; gap: var(--space-8); flex-wrap: wrap; }
.hero-stats .stat strong { font-family: var(--font-heading); font-size: var(--text-3xl); color: #fff; display: block; line-height: 1; }
.hero-stats .stat span { font-size: var(--text-sm); color: #94A3B8; }

/* Hero visual */
.hero-visual { position: relative; aspect-ratio: 1 / 1; }
.hero-visual .glass-card { position: absolute; background: rgba(255,255,255,0.08); backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,0.16); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-lg); }
.hero-card-main { inset: 8% 6% 18% 14%; display: flex; flex-direction: column; }
.hero-card-float { right: 0; bottom: 6%; width: 240px; display: flex; align-items: center; gap: var(--space-3); animation: floaty 8s ease-in-out infinite alternate; }
.hero-card-top { top: 2%; left: 2%; display: flex; align-items: center; gap: var(--space-3); animation: floaty 9.5s ease-in-out infinite alternate; }
.icon-chip { width: 44px; height: 44px; border-radius: var(--radius); display: grid; place-items: center; background: linear-gradient(135deg, var(--color-accent), #8BD97E); flex-shrink: 0; }
.icon-chip svg { width: 22px; height: 22px; color: #fff; }
@keyframes floaty { from { transform: translateY(0); } to { transform: translateY(-9px); } }

.hero-card-main .visual-rows { margin-top: auto; display: grid; gap: var(--space-3); }
.visual-row { display: flex; align-items: center; gap: var(--space-3); }
.visual-row .bar { height: 8px; border-radius: 4px; background: rgba(255,255,255,0.18); flex: 1; overflow: hidden; }
.visual-row .bar span { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, #53B849, #8BD97E); }

@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero h1 { font-size: var(--text-4xl); }
  .hero-visual { max-width: 460px; margin-inline: auto; width: 100%; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: var(--text-3xl); }
  .hero p { font-size: var(--text-lg); }
  .hero-visual { display: none; }
}

/* ==========================================================================
   Trust bar / logos
   ========================================================================== */
.trustbar { background: #fff; border-block: 1px solid var(--color-border); }
.trustbar .container { padding-block: var(--space-6); }
.trustbar-label { text-align: center; font-family: var(--font-heading); font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-muted-fg); margin-bottom: var(--space-5); }
.logo-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: var(--space-8); }
.logo-row .logo-item { font-family: var(--font-heading); font-weight: 700; font-size: 1.25rem; color: #94A3B8; letter-spacing: -0.02em; display: flex; align-items: center; gap: var(--space-2); transition: color var(--dur) var(--ease); }
.logo-row .logo-item:hover { color: var(--color-secondary); }
.logo-row .logo-item svg { width: 22px; height: 22px; }

/* ==========================================================================
   Feature / value cards
   ========================================================================== */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.feature-card .feat-icon { width: 52px; height: 52px; border-radius: var(--radius); display: grid; place-items: center; background: var(--color-accent-soft); margin-bottom: var(--space-5); }
.feature-card .feat-icon svg { width: 26px; height: 26px; color: var(--color-accent-700); }
.feature-card h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.feature-card p { color: var(--color-secondary); }
@media (max-width: 992px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   Split / about
   ========================================================================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-10); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; background: linear-gradient(135deg, var(--color-primary), var(--color-accent-700)); box-shadow: var(--shadow-lg); }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.checklist { display: grid; gap: var(--space-4); margin-top: var(--space-6); }
.checklist li { display: flex; align-items: flex-start; gap: var(--space-3); }
.checklist .check { width: 26px; height: 26px; border-radius: 50%; background: var(--color-success-soft); color: var(--color-success); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; }
.checklist .check svg { width: 15px; height: 15px; }
.checklist li strong { color: var(--color-primary); display: block; font-family: var(--font-heading); }
.checklist li span { color: var(--color-secondary); font-size: var(--text-sm); }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: var(--space-6); } .split.reverse .split-media { order: 0; } }

/* ==========================================================================
   Stats band
   ========================================================================== */
.stats-band { background: var(--color-primary); color: #fff; border-radius: var(--radius-xl); padding: var(--space-8); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); position: relative; overflow: hidden; }
.stats-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 120% at 100% 0%, rgba(3,105,161,0.5), transparent 60%); }
.stats-band .stat { position: relative; text-align: center; }
.stats-band .stat strong { font-family: var(--font-heading); font-size: var(--text-4xl); display: block; line-height: 1; background: linear-gradient(120deg, #fff, #A7E398); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats-band .stat span { color: #94A3B8; font-size: var(--text-sm); margin-top: var(--space-2); display: block; }
@media (max-width: 760px) { .stats-band { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   Sectors grid
   ========================================================================== */
.sector-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.sector-card { position: relative; overflow: hidden; border-radius: var(--radius-lg); aspect-ratio: 3/4; display: flex; align-items: flex-end; padding: var(--space-5); color: #fff; border: 1px solid var(--color-border); }
.sector-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,23,42,0.1), rgba(15,23,42,0.88)); z-index: 1; transition: opacity var(--dur) var(--ease); }
.sector-card .bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.02); transition: transform 600ms var(--ease); }
.sector-card:hover .bg { transform: scale(1.1); }
.sector-card .sector-body { position: relative; z-index: 2; }
.sector-card h3 { color: #fff; font-size: var(--text-xl); }
.sector-card p { color: #CBD5E1; font-size: var(--text-sm); margin-top: var(--space-2); }
@media (max-width: 880px) { .sector-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .sector-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band { position: relative; overflow: hidden; background: linear-gradient(120deg, var(--color-accent-700), var(--color-accent)); border-radius: var(--radius-xl); padding: var(--space-10); text-align: center; color: #fff; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 100% at 50% 0%, rgba(255,255,255,0.18), transparent 60%); }
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; font-size: var(--text-3xl); }
.cta-band p { color: #E0F2FE; font-size: var(--text-lg); margin: var(--space-4) auto var(--space-6); max-width: 560px; }
.cta-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-primary); color: #CBD5E1; padding-top: var(--space-10); margin-top: var(--space-12); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--space-8); padding-bottom: var(--space-8); }
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text small { color: #6FCB5E; }
.footer-about { margin-top: var(--space-4); color: #94A3B8; font-size: var(--text-sm); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--space-4); }
.footer-col a { display: block; color: #94A3B8; padding: var(--space-2) 0; font-size: var(--text-sm); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: var(--space-3); margin-bottom: var(--space-4); font-size: var(--text-sm); color: #94A3B8; }
.footer-contact svg { width: 18px; height: 18px; color: #6FCB5E; flex-shrink: 0; margin-top: 2px; }
.footer-contact a { color: #94A3B8; }
.footer-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-block: var(--space-5); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; font-size: var(--text-sm); color: #64748B; }
.footer-social { display: flex; gap: var(--space-3); }
.footer-social a { width: 38px; height: 38px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.12); display: grid; place-items: center; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.footer-social a:hover { background: var(--color-accent); border-color: var(--color-accent); }
.footer-social svg { width: 18px; height: 18px; color: #fff; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */
.page-hero { position: relative; background: var(--color-primary); color: #fff; overflow: hidden; padding-block: var(--space-10); }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 100% at 90% 0%, rgba(83,184,73,0.4), transparent 60%); }
.page-hero .container { position: relative; }
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: #94A3B8; margin-bottom: var(--space-4); }
.breadcrumb a { color: #94A3B8; } .breadcrumb a:hover { color: #fff; }
.breadcrumb svg { width: 14px; height: 14px; }
.page-hero h1 { color: #fff; font-size: var(--text-4xl); max-width: 760px; }
.page-hero p { color: #CBD5E1; font-size: var(--text-lg); margin-top: var(--space-4); max-width: 640px; }

/* ==========================================================================
   Shop
   ========================================================================== */
.shop-layout { display: grid; grid-template-columns: 260px 1fr; gap: var(--space-8); align-items: start; }
.shop-sidebar { position: sticky; top: calc(var(--nav-height) + var(--space-5)); }
.filter-group { margin-bottom: var(--space-6); }
.filter-group h4 { font-family: var(--font-heading); font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted-fg); margin-bottom: var(--space-3); }
.filter-list button { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 0.6rem 0.8rem; border-radius: var(--radius-sm); border: none; background: transparent; cursor: pointer; font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-secondary); text-align: left; transition: background var(--dur) var(--ease), color var(--dur) var(--ease); }
.filter-list button:hover { background: var(--color-muted); }
.filter-list button.active { background: var(--color-accent-soft); color: var(--color-accent-700); font-weight: 600; }
.filter-list .count { font-size: var(--text-xs); color: var(--color-muted-fg); }

.shop-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap; }
.search-box { position: relative; flex: 1; max-width: 360px; min-width: 200px; }
.search-box svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--color-muted-fg); }
.search-box input { width: 100%; padding: 0.7rem 1rem 0.7rem 2.6rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); min-height: 48px; }
.search-box input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.result-count { font-size: var(--text-sm); color: var(--color-muted-fg); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.product-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.product-thumb { position: relative; aspect-ratio: 4/3; background: linear-gradient(135deg, #EFF6FF, #E0F2FE); display: grid; place-items: center; overflow: hidden; }
.product-thumb svg { width: 64px; height: 64px; color: var(--color-accent); opacity: 0.6; }
.product-thumb .product-pill { position: absolute; top: var(--space-3); left: var(--space-3); }
.product-body { padding: var(--space-5); display: flex; flex-direction: column; flex: 1; }
.product-cat { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-accent); font-family: var(--font-heading); }
.product-card h3 { font-size: var(--text-lg); margin: var(--space-2) 0 0; }
.product-card a > h3 { transition: color var(--dur) var(--ease); }
.product-card a:hover > h3 { color: var(--color-accent); }
.product-brand { font-size: var(--text-xs); color: var(--color-muted-fg); font-family: var(--font-heading); font-weight: 500; margin-bottom: var(--space-2); }
.product-details-link { display: inline-block; font-family: var(--font-heading); font-weight: 600; font-size: var(--text-sm); color: var(--color-accent); margin-bottom: var(--space-4); transition: gap var(--dur) var(--ease); }
.product-details-link:hover { color: var(--color-accent-700); }
.product-desc { font-size: var(--text-sm); color: var(--color-secondary); flex: 1; margin: var(--space-2) 0 var(--space-4); }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-top: auto; }
.product-price { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-xl); color: var(--color-primary); }
.product-price small { font-weight: 500; font-size: var(--text-sm); color: var(--color-muted-fg); }
.product-quote-label { font-family: var(--font-heading); font-weight: 600; font-size: var(--text-sm); color: var(--color-accent-700); }

.no-results { text-align: center; padding: var(--space-12) var(--space-4); color: var(--color-muted-fg); grid-column: 1 / -1; }
.no-results svg { width: 56px; height: 56px; margin: 0 auto var(--space-4); color: var(--color-border); }

@media (max-width: 992px) {
  .shop-layout { grid-template-columns: 1fr; }
  .shop-sidebar { position: static; }
  .filter-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
  .filter-list button { width: auto; border: 1px solid var(--color-border); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .product-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   Cart drawer
   ========================================================================== */
.drawer-overlay { position: fixed; inset: 0; background: rgba(15,23,42,0.5); opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease); z-index: 200; }
.drawer-overlay.open { opacity: 1; visibility: visible; }
.cart-drawer { position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 100%); background: #fff; box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform var(--dur) var(--ease); z-index: 210; display: flex; flex-direction: column; }
.cart-drawer.open { transform: translateX(0); }
.cart-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-5); border-bottom: 1px solid var(--color-border); }
.cart-header h3 { font-size: var(--text-xl); }
.icon-btn { width: 40px; height: 40px; border-radius: var(--radius); border: 1px solid var(--color-border); background: #fff; display: grid; place-items: center; cursor: pointer; transition: background var(--dur) var(--ease); }
.icon-btn:hover { background: var(--color-muted); }
.icon-btn svg { width: 18px; height: 18px; }
.cart-items { flex: 1; overflow-y: auto; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); }
.cart-empty { text-align: center; color: var(--color-muted-fg); margin: auto; }
.cart-empty svg { width: 56px; height: 56px; margin: 0 auto var(--space-4); color: var(--color-border); }
.cart-item { display: flex; gap: var(--space-3); align-items: center; }
.cart-item .thumb { width: 56px; height: 56px; border-radius: var(--radius); background: var(--color-accent-soft); display: grid; place-items: center; flex-shrink: 0; }
.cart-item .thumb svg { width: 24px; height: 24px; color: var(--color-accent); }
.cart-item .ci-body { flex: 1; min-width: 0; }
.cart-item h4 { font-size: var(--text-sm); font-family: var(--font-heading); color: var(--color-primary); }
.cart-item .ci-price { font-size: var(--text-sm); color: var(--color-muted-fg); }
.qty { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-2); }
.qty button { width: 28px; height: 28px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: #fff; cursor: pointer; font-weight: 600; display: grid; place-items: center; }
.qty button:hover { background: var(--color-muted); }
.qty span { min-width: 24px; text-align: center; font-size: var(--text-sm); font-weight: 600; }
.ci-remove { background: none; border: none; color: var(--color-muted-fg); cursor: pointer; padding: var(--space-2); }
.ci-remove:hover { color: var(--color-destructive); }
.cart-foot { border-top: 1px solid var(--color-border); padding: var(--space-5); }
.cart-total { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); font-family: var(--font-heading); }
.cart-total .total-val { font-size: var(--text-2xl); font-weight: 700; color: var(--color-primary); }
.cart-note { font-size: var(--text-xs); color: var(--color-muted-fg); margin-top: var(--space-3); text-align: center; }

/* ==========================================================================
   Forms (contact / quote)
   ========================================================================== */
.form-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.field { margin-bottom: var(--space-5); }
.field label { display: block; font-family: var(--font-heading); font-weight: 500; font-size: var(--text-sm); margin-bottom: var(--space-2); color: var(--color-primary); }
.field label .req { color: var(--color-destructive); }
.field input, .field textarea, .field select { width: 100%; padding: 0.8rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); min-height: 48px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.field .helper { font-size: var(--text-xs); color: var(--color-muted-fg); margin-top: var(--space-2); }
.form-success { display: none; padding: var(--space-5); border-radius: var(--radius); background: var(--color-success-soft); color: var(--color-success); font-family: var(--font-heading); font-weight: 500; align-items: center; gap: var(--space-3); }
.form-success.show { display: flex; }
.form-success svg { width: 24px; height: 24px; flex-shrink: 0; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } .form-card { padding: var(--space-5); } }

/* Contact info cards */
.contact-info { display: grid; gap: var(--space-4); }
.info-card { display: flex; gap: var(--space-4); align-items: flex-start; padding: var(--space-5); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.info-card .info-icon { width: 48px; height: 48px; border-radius: var(--radius); background: var(--color-accent-soft); display: grid; place-items: center; flex-shrink: 0; }
.info-card .info-icon svg { width: 22px; height: 22px; color: var(--color-accent-700); }
.info-card h4 { font-size: var(--text-base); margin-bottom: var(--space-1); }
.info-card a, .info-card p { color: var(--color-secondary); font-size: var(--text-sm); }
.info-card a:hover { color: var(--color-accent); }

/* ==========================================================================
   Product detail page
   ========================================================================== */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-10); align-items: start; }
.pdp-gallery { position: sticky; top: calc(var(--nav-height) + var(--space-5)); }
.pdp-stage { position: relative; aspect-ratio: 1/1; border-radius: var(--radius-xl); overflow: hidden; background: linear-gradient(140deg, #EFF6FF, #E0F2FE 55%, #BAE6FD); border: 1px solid var(--color-border); display: grid; place-items: center; }
.pdp-stage::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(3,105,161,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(3,105,161,0.06) 1px, transparent 1px); background-size: 32px 32px; mask-image: radial-gradient(70% 70% at 50% 40%, #000, transparent); }
.pdp-stage img { position: relative; width: 76%; height: 76%; object-fit: contain; }
.pdp-stage .pdp-icon { position: relative; width: 46%; height: 46%; color: var(--color-accent); opacity: 0.85; }
.pdp-stage .product-pill { position: absolute; top: var(--space-5); left: var(--space-5); }
.pdp-thumbs { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.pdp-thumb { flex: 1; aspect-ratio: 1/1; border-radius: var(--radius); background: linear-gradient(140deg, #F1F5F9, #E0F2FE); border: 1px solid var(--color-border); display: grid; place-items: center; }
.pdp-thumb svg { width: 34%; height: 34%; color: var(--color-accent); opacity: 0.7; }

.pdp-brand { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-heading); font-weight: 600; font-size: var(--text-sm); color: var(--color-muted-fg); margin-bottom: var(--space-3); }
.pdp h1 { font-size: var(--text-4xl); }
.pdp-sub { font-size: var(--text-lg); color: var(--color-secondary); margin-top: var(--space-4); }
.pdp-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin: var(--space-6) 0; }
.pdp-hl { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-4); text-align: center; }
.pdp-hl strong { display: block; font-family: var(--font-heading); font-size: var(--text-xl); color: var(--color-primary); }
.pdp-hl span { font-size: var(--text-xs); color: var(--color-muted-fg); }
.pdp-buy { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); margin: var(--space-6) 0; }
.pdp-price-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.pdp-price { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-2xl); color: var(--color-primary); }
.pdp-price small { font-weight: 500; font-size: var(--text-sm); color: var(--color-muted-fg); }
.pdp-quote-tag { font-family: var(--font-heading); font-weight: 600; color: var(--color-accent-700); }
.pdp-actions { display: flex; gap: var(--space-3); margin-top: var(--space-4); flex-wrap: wrap; }
.pdp-trust { display: flex; align-items: center; gap: var(--space-4); margin-top: var(--space-4); font-size: var(--text-xs); color: var(--color-muted-fg); flex-wrap: wrap; }
.pdp-trust span { display: inline-flex; align-items: center; gap: 6px; }
.pdp-trust svg { width: 15px; height: 15px; color: var(--color-success); }
.pdp-keylist { display: grid; gap: var(--space-3); margin-top: var(--space-5); }
.pdp-keylist li { display: flex; gap: var(--space-3); align-items: flex-start; color: var(--color-secondary); }
.pdp-keylist .check { width: 22px; height: 22px; border-radius: 50%; background: var(--color-accent-soft); color: var(--color-accent-700); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; }
.pdp-keylist .check svg { width: 13px; height: 13px; }

/* Workflow steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); counter-reset: step; }
.step { position: relative; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); }
.step .step-num { width: 38px; height: 38px; border-radius: 50%; background: var(--color-primary); color: #fff; font-family: var(--font-heading); font-weight: 700; display: grid; place-items: center; margin-bottom: var(--space-3); }
.step h4 { font-size: var(--text-base); margin-bottom: var(--space-2); }
.step p { font-size: var(--text-sm); color: var(--color-secondary); }
@media (max-width: 880px) { .steps { grid-template-columns: repeat(2, 1fr); } }

/* Spec table */
.spec-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); font-size: var(--text-sm); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th { font-family: var(--font-heading); font-weight: 600; color: var(--color-primary); width: 42%; background: var(--color-background); }
.spec-table td { color: var(--color-secondary); }

@media (max-width: 880px) {
  .pdp { grid-template-columns: 1fr; gap: var(--space-6); }
  .pdp-gallery { position: static; }
  .pdp h1 { font-size: var(--text-3xl); }
}

/* ==========================================================================
   HPLC Column Finder
   ========================================================================== */
.cf { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); box-shadow: var(--shadow); overflow: hidden; }
.cf-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--color-border); background: var(--color-background); }
.cf-tab { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: 1.1rem 1rem; background: transparent; border: none; border-bottom: 3px solid transparent; cursor: pointer; font-family: var(--font-heading); font-weight: 600; font-size: var(--text-base); color: var(--color-muted-fg); transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease); }
.cf-tab svg { width: 20px; height: 20px; }
.cf-tab:hover { color: var(--color-primary); background: #fff; }
.cf-tab.active { color: var(--color-accent); border-bottom-color: var(--color-accent); background: #fff; }
.cf-body { padding: var(--space-6); }
@media (max-width: 560px) { .cf-tab span { display: none; } .cf-body { padding: var(--space-4); } }

/* Wizard */
.cf-wiz-q { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-2xl); color: var(--color-primary); text-align: center; margin-bottom: var(--space-6); }
.cf-choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); max-width: 720px; margin: 0 auto; }
.cf-choices-list { grid-template-columns: 1fr; max-width: 640px; }
.cf-choice { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-2); text-align: left; padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: #fff; cursor: pointer; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.cf-choice:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
.cf-choice-ic { width: 48px; height: 48px; border-radius: var(--radius); background: var(--color-accent-soft); display: grid; place-items: center; margin-bottom: var(--space-2); }
.cf-choice-ic svg { width: 26px; height: 26px; color: var(--color-accent-700); }
.cf-choice-t { font-family: var(--font-heading); font-weight: 600; font-size: var(--text-lg); color: var(--color-primary); }
.cf-choice-d { font-size: var(--text-sm); color: var(--color-muted-fg); }
.cf-choice-row { flex-direction: row; align-items: center; justify-content: space-between; }
.cf-choice-row .cf-choice-t { flex: none; }
.cf-choice-row::after { content: "→"; color: var(--color-accent); font-weight: 700; margin-left: auto; }
.cf-choice-row .cf-choice-d { margin-left: auto; margin-right: var(--space-4); text-align: right; }
.cf-back { background: none; border: none; color: var(--color-accent); font-family: var(--font-heading); font-weight: 600; cursor: pointer; margin-bottom: var(--space-4); padding: 0; }
@media (max-width: 560px) { .cf-choices { grid-template-columns: 1fr; } .cf-choice-row { flex-direction: column; align-items: flex-start; } .cf-choice-row .cf-choice-d { margin: 0; text-align: left; } }

/* Recommendation banner */
.cf-rec { display: flex; gap: var(--space-4); align-items: flex-start; background: var(--color-accent-soft); border: 1px solid #BAE6FD; border-radius: var(--radius-lg); padding: var(--space-5); margin-bottom: var(--space-5); position: relative; }
.cf-rec-ic { width: 44px; height: 44px; border-radius: var(--radius); background: #fff; display: grid; place-items: center; flex-shrink: 0; }
.cf-rec-ic svg { width: 24px; height: 24px; color: var(--color-accent-700); }
.cf-rec strong { font-family: var(--font-heading); color: var(--color-accent-700); display: block; margin-bottom: var(--space-1); }
.cf-rec p { font-size: var(--text-sm); color: var(--color-secondary); }
.cf-rec-x { position: absolute; top: var(--space-3); right: var(--space-3); background: none; border: none; font-size: 1.4rem; line-height: 1; color: var(--color-muted-fg); cursor: pointer; }

/* Search */
.cf-searchbar { position: relative; margin-bottom: var(--space-5); }
.cf-searchbar svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--color-muted-fg); }
.cf-searchbar input { width: 100%; padding: 1rem 1rem 1rem 3rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: var(--text-lg); min-height: 56px; }
.cf-searchbar input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }

/* Filter layout */
.cf-filter-layout { display: grid; grid-template-columns: 240px 1fr; gap: var(--space-6); align-items: start; }
.cf-facets { border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); position: sticky; top: calc(var(--nav-height) + var(--space-4)); max-height: calc(100vh - var(--nav-height) - var(--space-8)); overflow-y: auto; }
.cf-facets-head { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-3); }
.cf-clear { background: none; border: none; color: var(--color-accent); font-size: var(--text-sm); cursor: pointer; font-family: var(--font-heading); }
.cf-facet { border-top: 1px solid var(--color-border); padding-top: var(--space-3); margin-top: var(--space-3); }
.cf-facet h5 { font-family: var(--font-heading); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-muted-fg); margin-bottom: var(--space-2); }
.cf-facet-opts { display: flex; flex-direction: column; gap: 2px; max-height: 200px; overflow-y: auto; }
.cf-opt { display: flex; align-items: center; gap: var(--space-2); padding: 0.3rem 0.4rem; border-radius: var(--radius-sm); cursor: pointer; font-size: var(--text-sm); }
.cf-opt:hover { background: var(--color-muted); }
.cf-opt input { accent-color: var(--color-accent); width: 15px; height: 15px; }
.cf-opt span { flex: 1; color: var(--color-secondary); }
.cf-opt em { font-style: normal; font-size: var(--text-xs); color: var(--color-muted-fg); }
.cf-opt-dim { opacity: 0.4; }

/* Results */
.cf-resbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); flex-wrap: wrap; gap: var(--space-2); }
.cf-count { font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); font-size: var(--text-lg); }
.cf-hint { font-size: var(--text-sm); color: var(--color-muted-fg); }
.cf-table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.cf-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 720px; }
.cf-table th { text-align: left; font-family: var(--font-heading); font-weight: 600; color: var(--color-muted-fg); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; padding: var(--space-3) var(--space-4); background: var(--color-background); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; }
.cf-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); color: var(--color-secondary); vertical-align: middle; }
.cf-table tr:last-child td { border-bottom: none; }
.cf-table tbody tr:hover { background: var(--color-accent-soft); }
.cf-name strong { display: block; color: var(--color-primary); font-family: var(--font-heading); font-weight: 600; font-size: var(--text-sm); }
.cf-code { font-size: var(--text-xs); color: var(--color-muted-fg); }
.cf-phase { display: inline-block; background: var(--color-muted); color: var(--color-secondary); font-family: var(--font-heading); font-weight: 600; font-size: var(--text-xs); padding: 2px 8px; border-radius: var(--radius-full); }
.cf-actcell { text-align: right; }
.cf-more { text-align: center; font-size: var(--text-sm); color: var(--color-muted-fg); margin-top: var(--space-4); }
.cf-empty { text-align: center; padding: var(--space-10) var(--space-4); color: var(--color-muted-fg); }
.cf-empty svg { width: 48px; height: 48px; margin: 0 auto var(--space-3); color: var(--color-border); }
@media (max-width: 880px) { .cf-filter-layout { grid-template-columns: 1fr; } .cf-facets { position: static; max-height: none; } .cf-facet-opts { max-height: 150px; } }

/* ==========================================================================
   Misc / animations
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.toast { position: fixed; bottom: var(--space-6); left: 50%; transform: translateX(-50%) translateY(120%); background: var(--color-primary); color: #fff; padding: 0.9rem 1.4rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-heading); font-weight: 500; z-index: 300; transition: transform var(--dur) var(--ease); }
.toast.show { transform: translateX(-50%) translateY(0); }
.toast svg { width: 20px; height: 20px; color: #22D3EE; }
.skip-link { position: absolute; left: var(--space-4); top: -60px; background: #fff; color: var(--color-primary); padding: var(--space-3) var(--space-4); border-radius: var(--radius); z-index: 400; transition: top var(--dur) var(--ease); }
.skip-link:focus { top: var(--space-4); }

/* ==========================================================================
   Molecular network motif — echoes the logo mark across the design language
   ========================================================================== */
:root{
  --mol-green: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'><g stroke='%2353B849' stroke-width='1.4' fill='none' opacity='0.30'><line x1='45' y1='60' x2='120' y2='95'/><line x1='120' y1='95' x2='200' y2='55'/><line x1='120' y1='95' x2='150' y2='180'/><line x1='150' y1='180' x2='70' y2='210'/><line x1='70' y1='210' x2='45' y2='130'/><line x1='45' y1='130' x2='45' y2='60'/><line x1='200' y1='55' x2='225' y2='140'/></g><g fill='%2353B849' opacity='0.45'><circle cx='45' cy='60' r='5'/><circle cx='120' cy='95' r='9'/><circle cx='200' cy='55' r='4'/><circle cx='150' cy='180' r='6'/><circle cx='70' cy='210' r='4'/><circle cx='45' cy='130' r='7'/><circle cx='225' cy='140' r='5'/></g></svg>");
  --mol-white: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'><g stroke='%23ffffff' stroke-width='1.4' fill='none' opacity='0.18'><line x1='45' y1='60' x2='120' y2='95'/><line x1='120' y1='95' x2='200' y2='55'/><line x1='120' y1='95' x2='150' y2='180'/><line x1='150' y1='180' x2='70' y2='210'/><line x1='70' y1='210' x2='45' y2='130'/><line x1='45' y1='130' x2='45' y2='60'/><line x1='200' y1='55' x2='225' y2='140'/></g><g fill='%23ffffff' opacity='0.22'><circle cx='45' cy='60' r='5'/><circle cx='120' cy='95' r='9'/><circle cx='200' cy='55' r='4'/><circle cx='150' cy='180' r='6'/><circle cx='70' cy='210' r='4'/><circle cx='45' cy='130' r='7'/><circle cx='225' cy='140' r='5'/></g></svg>");
}
/* Hero backdrop becomes the molecular network */
.hero-grid { background-image: var(--mol-green); background-size: 300px 300px; mask-image: radial-gradient(72% 72% at 75% 32%, #000, transparent); -webkit-mask-image: radial-gradient(72% 72% at 75% 32%, #000, transparent); }
/* Dark brand surfaces carry a faint network texture (element background = behind content) */
.page-hero { background-image: var(--mol-green); background-color: var(--color-primary); background-size: 300px 300px; }
.stats-band { background-image: var(--mol-green); background-color: var(--color-primary); background-size: 260px 260px; }
.cta-band { background-image: var(--mol-white), linear-gradient(120deg, var(--color-accent-700), var(--color-accent)); background-size: 260px 260px, auto; }
.site-footer { position: relative; background-image: var(--mol-green); background-color: var(--color-primary); background-size: 340px 340px; }
.mega-feature { background-image: var(--mol-green); background-color: var(--color-primary); background-size: 220px 220px; }

/* ==========================================================================
   Mega-menu — enhanced layout
   ========================================================================== */
.mega-panel { width: min(960px, 95vw); grid-template-columns: 1fr 300px; padding: var(--space-6); border-top: 3px solid var(--color-accent); gap: var(--space-6); }
.mega-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-3); align-content: start; }
.mega-grid::before { content: "Shop by category"; grid-column: 1 / -1; font-family: var(--font-heading); font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-muted-fg); padding: 0 0 var(--space-1) 2px; }
.mega-card { flex-direction: column; align-items: flex-start; gap: 8px; padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.mega-card:hover { background: #fff; border-color: var(--color-accent); transform: translateY(-3px); box-shadow: var(--shadow); }
.mega-card .mega-ic { width: 44px; height: 44px; transition: transform var(--dur) var(--ease); }
.mega-card:hover .mega-ic { transform: scale(1.08); }
.mega-card span:last-child { position: relative; display: block; }
.mega-card h5 { font-size: var(--text-base); margin-bottom: 3px; }
.mega-card p { font-size: var(--text-xs); line-height: 1.45; }
@media (max-width: 992px){ .mega-panel { grid-template-columns: 1fr; } .mega-grid { grid-template-columns: 1fr; } .mega-card { flex-direction: row; align-items: center; border-color: transparent; } }

/* ==========================================================================
   Logo-mark watermark — the ACTUAL molecular mark from the logo, used as a
   large single watermark on each dark brand surface (replaces earlier motif).
   ========================================================================== */
:root{
  --mol-green: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%22166%20251%20264%20242%22%3E%3Cg%20fill%3D%22%2353b849%22%20fill-opacity%3D%220.15%22%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C307.0706%2C337.04%29%22%20d%3D%22M0%200C6.199%203.639%2012.581%204.282%2019.098%20.857%2027.928-3.784%2031.485-14.663%2027.14-23.599%2022.751-32.627%2011.711-36.635%202.721-32.465-6.51-28.182-10.696-17.554-6.648-8.323-5.866-6.539-5.984-5.48-7.411-4.074-17.344%205.717-27.179%2015.607-37.032%2025.479-37.768%2026.216-38.402%2027.055-39.174%2027.952-41.852%2026.256-44.213%2024.668-46.86%2023.557-61.62%2017.362-79.043%2024.79-84.8%2039.79-90.715%2055.201-82.875%2072.438-67.555%2077.709-55.904%2081.717-43.363%2078.268-35.603%2068.921-27.706%2059.41-26.602%2046.516-32.831%2035.747-33.544%2034.514-34.029%2033.683-32.737%2032.403-22.021%2021.794-11.382%2011.107-.714%20.45-.536%20.273-.281%20.174%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C328.4907%2C435.57704%29%22%20d%3D%22M0%200C6.044%204.496%2012.279%206.805%2019.361%206.694%2033.572%206.471%2045.84-4.789%2047.368-19.112%2048.905-33.517%2039.127-47.12%2025.201-50.359%2012.669-53.274%202.723-48.828-4.584-39.11-12.084-29.135-12.172-18.12-5.996-7.197-5.432-6.199-5.03-5.5-6.051-4.486-16.943%206.33-27.792%2017.189-38.66%2028.029-38.773%2028.142-38.972%2028.169-39.265%2028.293-45.389%2024.632-51.79%2024.046-58.299%2027.474-67.029%2032.071-70.524%2042.91-66.198%2051.759-61.793%2060.769-51.262%2064.593-41.985%2060.553-33.146%2056.703-28.727%2046.145-32.449%2037.12-33.442%2034.714-33.164%2033.383-31.316%2031.576-21.464%2021.943-11.771%2012.147-2.036%202.394-1.362%201.719-.793%20.938%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C396.5158%2C313.20765%29%22%20d%3D%22M0%200C16.158-.013%2029.033-13.063%2028.991-29.383%2028.949-44.966%2015.728-57.943-.086-57.921-16.069-57.898-29.011-44.967-28.996-29.035-28.981-12.85-16.134%20.013%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C228.8019%2C401.5422%29%22%20d%3D%22M0%200C.073-15.728-12.942-28.833-28.712-28.883-44.542-28.934-57.51-16.52-57.918-.438-58.323%2015.559-44.989%2028.913-29.15%2028.965-13.03%2029.017-.074%2016.144%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C328.3402%2C257.85713%29%22%20d%3D%22M0%200C10.445-.011%2018.507-8.119%2018.462-18.569%2018.419-28.683%2010.07-36.993-.054-36.998-10.291-37.003-18.691-28.597-18.694-18.383-18.697-7.657-9.296%20.734%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C268.2862%2C487.048%29%22%20d%3D%22M0%200C-9.169%20.184-18.687%208.09-18.651%2018.672-18.617%2029.014-10.475%2037.355-.209%2037.387%209.933%2037.418%2018.221%2029.17%2018.334%2019.026%2018.452%208.51%209.735%20.648%200%200%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");
  --mol-white: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%22166%20251%20264%20242%22%3E%3Cg%20fill%3D%22%23ffffff%22%20fill-opacity%3D%220.20%22%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C307.0706%2C337.04%29%22%20d%3D%22M0%200C6.199%203.639%2012.581%204.282%2019.098%20.857%2027.928-3.784%2031.485-14.663%2027.14-23.599%2022.751-32.627%2011.711-36.635%202.721-32.465-6.51-28.182-10.696-17.554-6.648-8.323-5.866-6.539-5.984-5.48-7.411-4.074-17.344%205.717-27.179%2015.607-37.032%2025.479-37.768%2026.216-38.402%2027.055-39.174%2027.952-41.852%2026.256-44.213%2024.668-46.86%2023.557-61.62%2017.362-79.043%2024.79-84.8%2039.79-90.715%2055.201-82.875%2072.438-67.555%2077.709-55.904%2081.717-43.363%2078.268-35.603%2068.921-27.706%2059.41-26.602%2046.516-32.831%2035.747-33.544%2034.514-34.029%2033.683-32.737%2032.403-22.021%2021.794-11.382%2011.107-.714%20.45-.536%20.273-.281%20.174%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C328.4907%2C435.57704%29%22%20d%3D%22M0%200C6.044%204.496%2012.279%206.805%2019.361%206.694%2033.572%206.471%2045.84-4.789%2047.368-19.112%2048.905-33.517%2039.127-47.12%2025.201-50.359%2012.669-53.274%202.723-48.828-4.584-39.11-12.084-29.135-12.172-18.12-5.996-7.197-5.432-6.199-5.03-5.5-6.051-4.486-16.943%206.33-27.792%2017.189-38.66%2028.029-38.773%2028.142-38.972%2028.169-39.265%2028.293-45.389%2024.632-51.79%2024.046-58.299%2027.474-67.029%2032.071-70.524%2042.91-66.198%2051.759-61.793%2060.769-51.262%2064.593-41.985%2060.553-33.146%2056.703-28.727%2046.145-32.449%2037.12-33.442%2034.714-33.164%2033.383-31.316%2031.576-21.464%2021.943-11.771%2012.147-2.036%202.394-1.362%201.719-.793%20.938%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C396.5158%2C313.20765%29%22%20d%3D%22M0%200C16.158-.013%2029.033-13.063%2028.991-29.383%2028.949-44.966%2015.728-57.943-.086-57.921-16.069-57.898-29.011-44.967-28.996-29.035-28.981-12.85-16.134%20.013%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C228.8019%2C401.5422%29%22%20d%3D%22M0%200C.073-15.728-12.942-28.833-28.712-28.883-44.542-28.934-57.51-16.52-57.918-.438-58.323%2015.559-44.989%2028.913-29.15%2028.965-13.03%2029.017-.074%2016.144%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C328.3402%2C257.85713%29%22%20d%3D%22M0%200C10.445-.011%2018.507-8.119%2018.462-18.569%2018.419-28.683%2010.07-36.993-.054-36.998-10.291-37.003-18.691-28.597-18.694-18.383-18.697-7.657-9.296%20.734%200%200%22%2F%3E%3Cpath%20transform%3D%22matrix%281%2C0%2C0%2C-1%2C268.2862%2C487.048%29%22%20d%3D%22M0%200C-9.169%20.184-18.687%208.09-18.651%2018.672-18.617%2029.014-10.475%2037.355-.209%2037.387%209.933%2037.418%2018.221%2029.17%2018.334%2019.026%2018.452%208.51%209.735%20.648%200%200%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");
}
.hero-grid{ background-image: var(--mol-green); background-repeat:no-repeat; background-position: 118% 45%; background-size: 620px auto; -webkit-mask-image:none; mask-image:none; }
.page-hero{ background-image: var(--mol-green); background-color: var(--color-primary); background-repeat:no-repeat; background-position: right -30px top -10px; background-size: 360px auto; }
.stats-band{ background-image: var(--mol-green); background-color: var(--color-primary); background-repeat:no-repeat; background-position: 106% 50%; background-size: 280px auto; }
.cta-band{ background-image: var(--mol-white), linear-gradient(120deg, var(--color-accent-700), var(--color-accent)); background-repeat:no-repeat,no-repeat; background-position: 112% 50%, center; background-size: 320px auto, auto; }
.site-footer{ background-image: var(--mol-green); background-color: var(--color-primary); background-repeat:no-repeat; background-position: 103% 0%; background-size: 300px auto; }
.mega-feature{ background-image: var(--mol-green); background-color: var(--color-primary); background-repeat:no-repeat; background-position: right -24px bottom -24px; background-size: 180px auto; }
.mega-feature { position: relative; overflow: hidden; justify-content: center; }
.mega-feature > * { position: relative; z-index: 1; }
.mega-feature h5 { font-size: var(--text-xl); }
.mega-feature .btn { box-shadow: var(--shadow-accent); }
@media (max-width: 992px){ .mega-grid::before { display: none; } .mega-panel { border-top: none; } }