/* ==========================================================================
   Klean Biotek — Design System
   ========================================================================== */

:root {
  /* Brand colors (sampled from official brochure) */
  --red: #E31C25;
  --red-dark: #B8121A;
  --red-light: #FF4B52;
  --ink: #1A1A1A;
  --charcoal: #2E2E2E;
  --slate: #5B6169;
  --mist: #8A9099;
  --line: #E7E8EA;
  --paper: #F6F7F8;
  --white: #FFFFFF;

  /* Droplet accent colors from logo */
  --accent-blue: #2E7FD6;
  --accent-green: #3FA553;
  --accent-yellow: #F0AB1E;

  --shadow-sm: 0 2px 8px rgba(20, 20, 20, 0.06);
  --shadow-md: 0 8px 30px rgba(20, 20, 20, 0.08);
  --shadow-lg: 0 20px 60px rgba(20, 20, 20, 0.14);
  --shadow-red: 0 14px 34px rgba(227, 28, 37, 0.28);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --container: 1240px;
  --nav-h: 84px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Sora', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: -0.02em;
}

p { line-height: 1.7; color: var(--slate); margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--red);
  display: inline-block;
}

.section { padding: 110px 0; position: relative; }
.section-tight { padding: 70px 0; }
.section-alt { background: var(--paper); }

.section-head {
  max-width: 680px;
  margin: 0 0 56px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 44px); color: var(--ink); }
.section-head p { font-size: 17px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-red);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px rgba(227,28,37,.36); }
.btn-dark {
  background: var(--ink);
  color: var(--white);
}
.btn-dark:hover { transform: translateY(-3px); background: var(--red); box-shadow: var(--shadow-red); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.4);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }
.btn-outline-dark {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-outline-dark:hover { border-color: var(--red); color: var(--red); transform: translateY(-3px); }
.btn-sm { padding: 11px 20px; font-size: 14px; }
.btn svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

/* ==========================================================================
   Pre-loader
   ========================================================================== */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.hide { opacity: 0; visibility: hidden; }
html:not(.js) #preloader { display: none; }
#preloader img { width: 56px; height: 56px; animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%,100%{ transform: scale(1); opacity:1; } 50%{ transform: scale(1.15); opacity:.6; } }

/* ==========================================================================
   Header / Navigation - FIXED FOR BETTER VISIBILITY
   ========================================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), height .4s var(--ease), backdrop-filter .4s;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.site-header.scrolled {
  height: 72px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 0 rgba(20,20,20,.06), 0 12px 30px rgba(20,20,20,.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { height: 34px; width: auto; }
.brand .brand-word { height: 22px; width: auto; }
.brand-text { 
  font-family: 'Sora', sans-serif; 
  font-weight: 700; 
  font-size: 18.5px; 
  letter-spacing: -0.01em; 
  color: var(--white); 
  transition: color .4s var(--ease);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.brand-text em { font-style: normal; color: var(--red); }
.site-header.scrolled .brand-text { 
  color: var(--ink); 
  text-shadow: none;
}

/* Navigation links - IMPROVED VISIBILITY */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  position: relative;
  padding: 10px 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 100px;
  transition: color .3s, background .3s, transform .2s;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}
.main-nav a:hover { 
  background: rgba(255, 255, 255, 0.15); 
  color: var(--white); 
  transform: translateY(-1px);
}
.main-nav a.active { 
  color: var(--white); 
  background: rgba(227, 28, 37, 0.5);
  box-shadow: 0 0 20px rgba(227, 28, 37, 0.15);
}

/* Scrolled state for nav links */
.site-header.scrolled .main-nav a {
  color: var(--charcoal);
  text-shadow: none;
}
.site-header.scrolled .main-nav a:hover { 
  background: rgba(227, 28, 37, 0.08); 
  color: var(--red); 
}
.site-header.scrolled .main-nav a.active { 
  color: var(--red); 
  background: rgba(227, 28, 37, 0.08);
  box-shadow: none;
}

/* Header CTA buttons */
.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: color .3s;
}
.header-phone:hover { color: var(--white); }
.header-phone svg { width: 16px; height: 16px; color: var(--red); }

.site-header.scrolled .header-phone {
  color: var(--charcoal);
  text-shadow: none;
}
.site-header.scrolled .header-phone:hover { color: var(--red); }

/* Scoped button styles for header */
.site-header .btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-red);
}
.site-header .btn-primary:hover { 
  transform: translateY(-3px); 
  box-shadow: 0 20px 40px rgba(227,28,37,.36); 
}
.site-header.scrolled .btn-primary {
  background: var(--red);
  color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  transition: all .3s var(--ease);
}
.nav-toggle span { 
  width: 18px; 
  height: 2px; 
  background: var(--white); 
  margin: 0 auto; 
  transition: all .3s var(--ease);
}
.site-header.scrolled .nav-toggle {
  border-color: var(--line);
  background: var(--white);
}
.site-header.scrolled .nav-toggle span {
  background: var(--ink);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hidden on desktop by default; the mobile media query switches these on */
.mobile-nav { display: none; }
.nav-scrim { display: none; }

/* ==========================================================================
   Hero (shared blob background)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  background: linear-gradient(160deg, #171717 0%, #1f1f1f 46%, #2a1213 100%);
  overflow: hidden;
  color: var(--white);
}
.hero-page {
  min-height: 62vh;
}
.hero .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
  will-change: transform;
}
.hero .blob-1 { width: 560px; height: 560px; background: radial-gradient(circle at 30% 30%, var(--red), transparent 70%); top: -160px; right: -120px; animation: float1 16s ease-in-out infinite; }
.hero .blob-2 { width: 420px; height: 420px; background: radial-gradient(circle at 40% 40%, var(--accent-blue), transparent 70%); bottom: -140px; left: -100px; animation: float2 20s ease-in-out infinite; }
.hero .blob-3 { width: 300px; height: 300px; background: radial-gradient(circle at 50% 50%, var(--accent-green), transparent 70%); top: 40%; left: 50%; opacity: .28; animation: float3 22s ease-in-out infinite; }

@keyframes float1 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(-40px,50px) scale(1.08);} }
@keyframes float2 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(50px,-30px) scale(1.1);} }
@keyframes float3 { 0%,100%{ transform: translate(-50%,-50%) scale(1);} 50%{ transform: translate(-46%,-54%) scale(1.2);} }

.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 90%);
}

.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  font-size: 13px; font-weight: 600;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}
.hero-badge .dot-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--red);
  display: flex; align-items: center; justify-content: center;
}
.hero-badge .dot-icon svg { width: 12px; height: 12px; color: white; }

.hero h1 {
  font-size: clamp(38px, 6vw, 74px);
  color: var(--white);
  max-width: 900px;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--red-light), var(--red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  font-size: 19px;
  color: rgba(255,255,255,.72);
  max-width: 580px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 48px;
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 32px;
  max-width: 640px;
}
.hero-stats .stat-num {
  font-family: 'Sora', sans-serif;
  font-size: 34px; font-weight: 700; color: var(--white);
  display: flex; align-items: baseline; gap: 2px;
}
.hero-stats .stat-label { font-size: 13px; color: rgba(255,255,255,.55); margin-top: 4px; }

.page-hero-eyebrow {
  color: var(--red-light);
}
.breadcrumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: rgba(255,255,255,.55);
  margin-bottom: 22px;
}
.breadcrumbs a:hover { color: var(--white); }
.breadcrumbs svg { width: 14px; height: 14px; }

/* Scroll cue */
.scroll-cue {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  z-index: 2;
}
.scroll-cue .line { width: 1px; height: 34px; background: linear-gradient(rgba(255,255,255,.7), transparent); animation: scrollcue 1.8s ease-in-out infinite; }
@keyframes scrollcue { 0%{ transform: scaleY(0); transform-origin: top;} 50%{ transform: scaleY(1); transform-origin: top;} 51%{ transform-origin: bottom;} 100%{ transform: scaleY(0); transform-origin: bottom;} }

/* ==========================================================================
   Marquee strip
   ========================================================================== */
.marquee-strip {
  background: var(--ink);
  color: rgba(255,255,255,.75);
  padding: 18px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track { display: inline-flex; animation: marquee 32s linear infinite; }
.marquee-track span {
  display: inline-flex; align-items: center;
  font-size: 14px; font-weight: 600; letter-spacing: .03em;
  padding: 0 28px;
  text-transform: uppercase;
}
.marquee-track span::after { content: "✦"; margin-left: 28px; color: var(--red); }
@keyframes marquee { from{ transform: translateX(0);} to{ transform: translateX(-50%);} }

/* ==========================================================================
   Reveal animation
   ========================================================================== */
/* Reveal animations only engage once JS confirms it can drive them (html.js),
   so content stays fully visible if JavaScript fails to load. */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
html.js .reveal.in { opacity: 1; transform: translateY(0); }
html.js .reveal-scale { opacity: 0; transform: scale(.94); transition: opacity .8s var(--ease), transform .8s var(--ease); }
html.js .reveal-scale.in { opacity: 1; transform: scale(1); }
.stagger > * { transition-delay: calc(var(--i, 0) * 90ms); }

/* ==========================================================================
   Cards / Grids
   ========================================================================== */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.value-card, .feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 34px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.value-card:hover, .feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.icon-tile {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(227,28,37,.1), rgba(227,28,37,.03));
  margin-bottom: 22px;
}
.icon-tile svg { width: 26px; height: 26px; color: var(--red); }
.feature-card h3, .value-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p, .value-card p { font-size: 15px; margin-bottom: 0; }

/* About teaser split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3.1;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(200deg, transparent 55%, rgba(0,0,0,.35));
}
.floating-card {
  position: absolute;
  bottom: -26px; right: -26px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 16px;
  z-index: 3;
}
.floating-card .icon-tile { margin: 0; width: 46px; height: 46px; }
.floating-card .icon-tile svg { width: 22px; height: 22px; }
.floating-card strong { display: block; font-family: 'Sora'; font-size: 20px; }
.floating-card span { font-size: 13px; color: var(--slate); }

.checklist li {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 14px;
  font-size: 15.5px;
  color: var(--charcoal);
  font-weight: 500;
}
.checklist svg { width: 20px; height: 20px; color: var(--red); flex-shrink: 0; margin-top: 2px; }

/* ==========================================================================
   Product cards
   ========================================================================== */
.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-media {
  aspect-ratio: 1/0.82;
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.product-media img { width: 100%; height: 100%; object-fit: contain; padding: 26px; transition: transform .6s var(--ease); }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-tag {
  position: absolute; top: 16px; left: 16px;
  background: var(--white);
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 11.5px; font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--red);
  box-shadow: var(--shadow-sm);
}
.product-body { padding: 26px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 19px; margin-bottom: 8px; }
.product-body p { font-size: 14.5px; margin-bottom: 18px; flex: 1; }
.product-body .btn { align-self: flex-start; }

/* ==========================================================================
   Product Detail (accordion-style full spec) on products page
   ========================================================================== */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 48px;
}
.filter-chip {
  padding: 10px 20px;
  border-radius: 100px;
  border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 600;
  color: var(--slate);
  transition: all .3s;
  background: var(--white);
}
.filter-chip:hover { border-color: var(--red); color: var(--red); }
.filter-chip.active { background: var(--ink); color: var(--white); border-color: var(--ink); }

.product-detail {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 60px;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}
.product-detail:last-child { border-bottom: none; }
.product-detail .media-frame { aspect-ratio: 1/0.95; background: var(--paper); }
.product-detail .media-frame img { object-fit: contain; padding: 40px; }
.product-detail-body .product-tag { position: static; display: inline-block; margin-bottom: 16px; }
.product-detail-body h3 { font-size: 30px; margin-bottom: 14px; }
.spec-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 26px; }
.spec-cols h4 {
  font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--red); margin-bottom: 16px;
}
.spec-cols li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; color: var(--charcoal);
  margin-bottom: 12px; line-height: 1.5;
}
.spec-cols li svg { width: 16px; height: 16px; color: var(--red); flex-shrink: 0; margin-top: 3px; }
.app-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.app-pills span {
  padding: 7px 14px;
  background: var(--paper);
  border-radius: 100px;
  font-size: 13px; font-weight: 500;
  color: var(--charcoal);
}

/* ==========================================================================
   Stats band
   ========================================================================== */
.stats-band {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(227,28,37,.25), transparent 60%);
}
.stat-item { position: relative; text-align: center; }
.stat-item .num {
  font-family: 'Sora'; font-size: 42px; font-weight: 700;
  display: flex; align-items: baseline; justify-content: center; gap: 3px;
}
.stat-item .num .suffix { color: var(--red-light); font-size: 28px; }
.stat-item .lbl { font-size: 13.5px; color: rgba(255,255,255,.6); margin-top: 8px; }

/* ==========================================================================
   Process / steps
   ========================================================================== */
.process-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step { position: relative; padding-top: 8px; }
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: 'Sora'; font-size: 15px; font-weight: 700;
  color: var(--red);
  display: block;
  margin-bottom: 18px;
}
.process-step h4 { font-size: 17px; margin-bottom: 8px; }
.process-step p { font-size: 14px; }
.process-row .process-step:not(:last-child) { border-right: 1px dashed var(--line); padding-right: 24px; }

/* ==========================================================================
   Industries / logo band
   ========================================================================== */
.industry-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.industry-item {
  background: var(--white);
  padding: 26px 14px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  text-align: center;
  transition: background .3s;
}
.industry-item:hover { background: var(--paper); }
.industry-item svg { width: 26px; height: 26px; color: var(--red); }
.industry-item span { font-size: 12.5px; font-weight: 600; color: var(--charcoal); }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
  background: linear-gradient(120deg, var(--ink), #241012 70%, var(--red-dark));
  border-radius: var(--radius-lg);
  padding: 70px 60px;
  color: var(--white);
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(227,28,37,.4), transparent 70%);
  top: -140px; right: -80px; filter: blur(10px);
}
.cta-band h2 { font-size: clamp(26px,3vw,36px); margin-bottom: 10px; max-width: 460px; position: relative; }
.cta-band p { color: rgba(255,255,255,.65); max-width: 420px; position: relative; margin-bottom: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--ink); color: rgba(255,255,255,.6); padding-top: 90px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,.09); }
.footer-brand img { height: 30px; margin-bottom: 20px; }
.footer-brand p { font-size: 14.5px; color: rgba(255,255,255,.5); max-width: 300px; }
.social-row { display: flex; gap: 10px; margin-top: 24px; }
.social-row a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  transition: all .3s;
}
.social-row a:hover { background: var(--red); border-color: var(--red); transform: translateY(-3px); }
.social-row svg { width: 16px; height: 16px; color: white; }

.footer-col h4 { color: var(--white); font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 22px; }
.footer-col li { margin-bottom: 13px; }
.footer-col a { font-size: 14.5px; color: rgba(255,255,255,.55); transition: color .3s, padding-left .3s; }
.footer-col a:hover { color: var(--white); padding-left: 4px; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: rgba(255,255,255,.55); margin-bottom: 18px; }
.footer-contact svg { width: 18px; height: 18px; color: var(--red); flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 0; font-size: 13px; color: rgba(255,255,255,.4);
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom a:hover { color: var(--white); }
.footer-legal { display: flex; gap: 22px; }

.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--ink); color: white;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .4s var(--ease);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--red); }
.back-to-top svg { width: 18px; height: 18px; }

/* ==========================================================================
   Page intros (About / Products / Contact shared inner section styling)
   ========================================================================== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.timeline { border-left: 2px solid var(--line); padding-left: 34px; margin-left: 6px; }
.timeline-item { position: relative; padding-bottom: 44px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -41px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--red);
}
.timeline-item h4 { font-size: 17px; margin-bottom: 6px; }
.timeline-item p { font-size: 14.5px; margin-bottom: 0; }

.quote-block {
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: 50px;
  position: relative;
}
.quote-block svg.quote-mark { width: 44px; height: 44px; color: var(--red); opacity: .25; margin-bottom: 14px; }
.quote-block p { font-size: 20px; color: var(--ink); font-weight: 500; line-height: 1.55; margin-bottom: 20px; }
.quote-block .author { font-size: 14px; color: var(--slate); font-weight: 600; }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; }
.contact-info-card {
  background: var(--ink); color: white;
  border-radius: var(--radius-lg);
  padding: 44px;
}
.contact-info-card h3 { font-size: 22px; margin-bottom: 8px; }
.contact-info-card > p { color: rgba(255,255,255,.55); margin-bottom: 36px; font-size: 14.5px; }
.contact-method { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.1); }
.contact-method:first-of-type { border-top: none; }
.contact-method .icon-tile { background: rgba(227,28,37,.16); margin-bottom: 0; flex-shrink: 0; width: 46px; height: 46px; }
.contact-method .icon-tile svg { color: var(--red-light); width: 20px; height: 20px; }
.contact-method strong { display: block; font-size: 15px; margin-bottom: 4px; }
.contact-method span, .contact-method a { font-size: 14.5px; color: rgba(255,255,255,.6); }
.contact-method a:hover { color: white; }

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 46px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--charcoal); }
.field input, .field select, .field textarea {
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 14.5px;
  font-family: inherit;
  transition: border-color .3s, box-shadow .3s;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 4px rgba(227,28,37,.1);
  background: white;
}
.field textarea { resize: vertical; min-height: 120px; }

/* Error states */
.field .error-msg {
  display: none;
  color: var(--red);
  font-size: 13px;
  font-weight: 500;
  margin-top: 4px;
}
.field.error input,
.field.error textarea {
  border-color: var(--red);
}
.field.error .error-msg {
  display: block;
}

.form-note { font-size: 12.5px; color: var(--mist); margin-top: 14px; }
.form-success {
  display: none;
  align-items: center; gap: 14px;
  background: #EAF7EC; border: 1px solid #BFE6C4;
  color: #226B31; padding: 18px 20px; border-radius: var(--radius-sm);
  font-size: 14.5px; font-weight: 500; margin-bottom: 22px;
}
.form-success.show { display: flex; }
.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }

.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16/6;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(20%); }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; font-weight: 600; font-size: 16.5px; color: var(--ink);
  gap: 20px;
}
.faq-q .plus { width: 22px; height: 22px; flex-shrink: 0; position: relative; }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; background: var(--red); transition: transform .35s var(--ease);
}
.faq-q .plus::before { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-q .plus::after { height: 100%; width: 2px; left: 50%; top: 0; transform: translateX(-50%); }
.faq-item.open .plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.faq-a p { padding-top: 16px; font-size: 15px; margin-bottom: 0; }
.faq-item.open .faq-a { max-height: 260px; }

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-white { color: white; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .process-row { grid-template-columns: repeat(2, 1fr); }
  .process-row .process-step:nth-child(2n) { border-right: none; padding-right: 0; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 940px) {
  .main-nav, .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .split, .two-col, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-detail { grid-template-columns: 1fr; gap: 30px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .cta-band { flex-direction: column; text-align: center; padding: 50px 34px; }
  .cta-band::before { display: none; }
  .cta-actions { justify-content: center; }
  .floating-card { position: static; margin-top: -50px; margin-left: 20px; margin-right: 20px; }

  .mobile-nav {
    display: block;
    position: fixed; top: 0; right: 0; height: 100vh; width: min(340px, 84vw);
    background: var(--white);
    z-index: 1001;
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform .5s var(--ease);
    box-shadow: -20px 0 60px rgba(0,0,0,.15);
    overflow-y: auto;
  }
  .mobile-nav.open { transform: translateX(0); }
  .mobile-nav a { display: block; font-size: 20px; font-weight: 700; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-family: 'Sora'; }
  .mobile-nav a.active { color: var(--red); }
  .mobile-nav .btn { margin-top: 24px; width: 100%; justify-content: center; }
  .nav-scrim {
    display: block;
    position: fixed; inset: 0; background: rgba(10,10,10,.5); z-index: 1000;
    opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
    backdrop-filter: blur(2px);
  }
  .nav-scrim.show { opacity: 1; visibility: visible; }

  /* Mobile nav header fix */
  .site-header {
    background: rgba(0, 0, 0, 0.5);
  }
  .site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
  }
}

@media (max-width: 720px) {
  .section { padding: 76px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 20px; }
  .stats-band { grid-template-columns: 1fr 1fr; padding: 40px 24px; gap: 30px 20px; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .process-row { grid-template-columns: 1fr; }
  .process-row .process-step { border-right: none !important; padding-right: 0 !important; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .spec-cols { grid-template-columns: 1fr; gap: 22px; }
  .contact-info-card, .form-card { padding: 30px; }
}