/**
 * Lulu Chemicals & Scientific Lab Devices LLC
 * Main Stylesheet
 * 
 * Clean, modular, responsive, and easy to maintain.
 */

/* ==========================================================================
   1. CSS Custom Properties / Design Tokens
   ========================================================================== */
:root {
  /* Colors - Primary Brand */
  --color-primary: #0B5FB8;
  --color-primary-dark: #0A2F66;
  --color-primary-hover: #084990;
  --color-primary-light: #E3F1FB;
  --color-primary-subtle: #F3F8FC;

  /* Colors - Accents */
  --color-accent: #17B5A8;
  --color-accent-dark: #08777D;
  --color-accent-secondary: #0877BF;
  --color-accent-light: #BFF3EC;
  --color-accent-subtle: #CFEFE9;
  --color-accent-highlight: #7FE0D6;

  /* Colors - Neutrals & Text */
  --color-text-main: #0F2742;
  --color-text-muted: #33506B;
  --color-text-subtle: #4A6580;
  --color-text-light: #CFE0F5;
  --color-white: #ffffff;
  --color-bg-footer: #E8F2F9;

  /* Colors - Borders */
  --color-border: #D8E5F0;
  --color-border-subtle: #C9DCEC;
  --color-border-input: #B7CCDF;

  /* Typography */
  --font-sans: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Outfit', 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --container-max: 1200px;
  --container-padding: 24px;
  --section-pad-y: clamp(48px, 6vw, 96px);
  --section-pad-y-sm: clamp(36px, 4vw, 64px);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 999px;

  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 2px 8px rgba(15, 39, 66, 0.04);
  --shadow-md: 0 8px 24px rgba(10, 47, 102, 0.08);
  --shadow-lg: 0 16px 40px rgba(10, 47, 102, 0.12);
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  margin: 0;
  line-height: 1.15;
  font-weight: 700;
}

p {
  margin: 0;
  color: var(--color-text-muted);
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
  color: var(--color-white);
}

/* ==========================================================================
   3. Layout & Containers
   ========================================================================== */
.site-wrapper {
  width: 100%;
  background: var(--color-white);
  overflow-x: clip;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

.section-sm {
  padding-top: var(--section-pad-y-sm);
  padding-bottom: var(--section-pad-y-sm);
}

.section-bg-light {
  background-color: var(--color-primary-subtle);
}

.section-bg-white {
  background-color: var(--color-white);
}

.section-bg-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.section-bg-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-border-top {
  border-top: 1px solid var(--color-border);
}

.section-border-bottom {
  border-bottom: 1px solid var(--color-border);
}

/* Section Headers */
.section-header {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
  margin-bottom: 48px;
}

.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  align-items: center;
}

.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.section-tag--light {
  color: var(--color-accent-highlight);
}

.section-tag--teal {
  color: var(--color-accent-light);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.01em;
}

.section-title--large {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.6;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.grid-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   4. Header & Navigation
   ========================================================================== */
/* Top Utility Bar */
.topbar {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  padding-bottom: 10px;
}

.topbar-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}

.topbar-contacts a {
  color: var(--color-text-light);
}

.topbar-contacts a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.topbar-badge {
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px 32px;
}

.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo img {
  height: clamp(64px, 8vw, 96px);
  width: auto;
  transition: transform var(--transition-fast);
}

.site-logo:hover img {
  transform: scale(1.02);
}

/* Main Navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px 28px;
  font-weight: 500;
  font-size: 16px;
}

.nav-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 24px;
}

.nav-link {
  color: var(--color-text-main);
  padding: 10px 0;
  position: relative;
  font-weight: 500;
  display: inline-block;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.is-active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-link.is-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: var(--radius-pill);
}

/* Mobile Nav Toggle Button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--color-accent);
}

.nav-toggle-icon {
  width: 28px;
  height: 28px;
}

/* Mobile Nav Overlay & Drawer */
.nav-close-btn {
  display: none;
}

.nav-backdrop {
  display: none;
}

/* ==========================================================================
   5. Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  line-height: 1.2;
  transition: all var(--transition-fast);
}

.btn-sm {
  padding: 11px 20px;
  font-size: 15px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 17px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(11, 95, 184, 0.25);
}

.btn-ghost {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

.btn-ghost:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
}

.btn-white:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
}

.btn-block {
  width: 100%;
}

/* Badges / Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent-dark);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  display: block;
  flex-shrink: 0;
}

.chip-link {
  display: inline-block;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary-dark);
  transition: all var(--transition-fast);
}

.chip-link:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.chip-tag {
  display: inline-block;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  padding: 12px 22px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.chip-tag:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.chip-tag--soft {
  background-color: var(--color-primary-light);
  border: none;
  padding: 9px 16px;
  font-size: 15px;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 15px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   6. Hero & Subpage Hero Sections
   ========================================================================== */
.hero {
  background-color: var(--color-primary-subtle);
  position: relative;
  overflow: hidden;
  padding-top: clamp(48px, 6vw, 76px);
  padding-bottom: clamp(48px, 6vw, 84px);
}

/* Ambient decorative floating background orbs */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(48px);
}

.hero::before {
  width: clamp(240px, 35vw, 420px);
  height: clamp(240px, 35vw, 420px);
  top: -80px;
  right: -60px;
  background: radial-gradient(circle, rgba(11, 95, 184, 0.08) 0%, rgba(11, 95, 184, 0) 70%);
  animation: heroOrbFloat 14s ease-in-out infinite alternate;
}

.hero::after {
  width: clamp(180px, 25vw, 320px);
  height: clamp(180px, 25vw, 320px);
  bottom: -40px;
  left: 5%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.07) 0%, rgba(13, 148, 136, 0) 70%);
  animation: heroOrbFloat 18s ease-in-out infinite alternate-reverse;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-title {
  font-size: clamp(2.35rem, 5.2vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--color-primary-dark);
  animation: heroFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-lead {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 560px;
  animation: heroFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
  animation: heroFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-muted);
  animation: heroFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  animation: heroVisualIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

/* Responsive ISO Diagram Container */
.iso-diagram-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 480 / 460;
  margin: 0 auto;
}

.iso-diagram-svg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.iso-diagram-svg path {
  stroke-dasharray: 6 4;
  animation: isoLineFlow 24s linear infinite;
}

.iso-node {
  position: absolute;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.iso-node:hover {
  transform: scale(1.06) !important;
  box-shadow: var(--shadow-md);
}

.iso-node--center {
  left: 29.16%;
  top: 28.26%;
  width: 41.66%;
  height: 43.47%;
  background: var(--color-white);
  border: 3px solid var(--color-accent);
  gap: 2px;
  z-index: 2;
  animation: floatCenter 6s ease-in-out infinite;
}

/* Soft pulsating radar ring on center node */
.iso-node--center::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  opacity: 0;
  pointer-events: none;
  animation: isoCenterPulse 3.5s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.iso-node--center .iso-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  color: var(--color-primary-dark);
  line-height: 1;
}

.iso-node--center .iso-sub {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  color: var(--color-primary);
}

.iso-node--center .iso-desc {
  font-size: clamp(0.7rem, 1.3vw, 0.8125rem);
  font-weight: 500;
  color: var(--color-text-muted);
}

.iso-node--corner {
  width: 31.25%;
  height: 32.6%;
  color: var(--color-white);
  gap: 6px;
  padding: 8px;
  z-index: 3;
}

.iso-node--corner svg {
  width: clamp(22px, 3.5vw, 34px);
  height: clamp(22px, 3.5vw, 34px);
  transition: transform var(--transition-fast);
}

.iso-node--corner:hover svg {
  transform: scale(1.12);
}

.iso-node--corner span {
  font-weight: 700;
  font-size: clamp(0.75rem, 1.4vw, 0.9375rem);
  line-height: 1.2;
}

.iso-node--tl {
  left: 4.16%;
  top: 0;
  background: var(--color-primary-dark);
  animation: floatTL 5.8s ease-in-out infinite;
}

.iso-node--tr {
  left: 64.58%;
  top: 4.34%;
  background: var(--color-accent-secondary);
  animation: floatTR 6.4s ease-in-out infinite 0.8s;
}

.iso-node--bl {
  left: 0;
  top: 66.3%;
  background: var(--color-accent-dark);
  animation: floatBL 6s ease-in-out infinite 1.5s;
}

.iso-node--br {
  left: 64.58%;
  top: 64.13%;
  background: var(--color-primary);
  animation: floatBR 6.8s ease-in-out infinite 2.2s;
}

/* Hero Keyframes */
@keyframes heroFadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroVisualIn {
  0% {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes heroOrbFloat {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-15px, 20px) scale(1.05);
  }
  100% {
    transform: translate(20px, -15px) scale(0.95);
  }
}

@keyframes floatCenter {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(0, -6px);
  }
}

@keyframes floatTL {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-4px, -6px);
  }
}

@keyframes floatTR {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(4px, -5px);
  }
}

@keyframes floatBL {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-3px, 5px);
  }
}

@keyframes floatBR {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(4px, 6px);
  }
}

@keyframes isoCenterPulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.18);
    opacity: 0;
  }
  100% {
    transform: scale(1.22);
    opacity: 0;
  }
}

@keyframes isoLineFlow {
  0% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 200;
  }
}

/* Reduced Motion Preference Override */
@media (prefers-reduced-motion: reduce) {
  .hero::before,
  .hero::after,
  .hero-title,
  .hero-lead,
  .hero-actions,
  .hero-features,
  .hero-visual,
  .iso-diagram-svg path,
  .iso-node--center,
  .iso-node--center::before,
  .iso-node--tl,
  .iso-node--tr,
  .iso-node--bl,
  .iso-node--br {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* Subpage Hero */
.page-hero {
  background-color: var(--color-primary-subtle);
  position: relative;
  overflow: hidden;
  padding-top: clamp(48px, 6vw, 64px);
  padding-bottom: clamp(48px, 6vw, 64px);
}

.page-hero-bg-shape-1 {
  position: absolute;
  right: -90px;
  top: -110px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: var(--color-primary-light);
  pointer-events: none;
}

.page-hero-bg-shape-2 {
  position: absolute;
  right: 210px;
  top: 120px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--color-accent-light);
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 1;
}

.page-hero-title {
  font-size: clamp(2.25rem, 4.8vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--color-primary-dark);
  max-width: 820px;
}

.page-hero-desc {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 700px;
}

/* ==========================================================================
   7. Trust Strip & Stat Cards
   ========================================================================== */
.trust-strip {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding-top: 36px;
  padding-bottom: 36px;
}

.trust-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(36px, 8vw, 96px);
  flex-wrap: wrap;
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.trust-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  line-height: 1;
  color: var(--color-white);
}

.trust-label {
  font-size: 15px;
  color: var(--color-text-light);
}

/* Stat Cards in About */
.stat-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.stat-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--color-white);
  transition: transform var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
}

.stat-card--navy { background-color: var(--color-primary-dark); }
.stat-card--blue { background-color: var(--color-accent-secondary); }
.stat-card--teal { background-color: var(--color-accent-dark); }
.stat-card--primary { background-color: var(--color-primary); }

.stat-card-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 38px;
  line-height: 1;
}

.stat-card-label {
  font-size: 15px;
  color: var(--color-text-light);
}

/* ==========================================================================
   8. Cards & Components
   ========================================================================== */
/* Standard Service/Product Card */
.card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.card-desc {
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* CTA Card */
.card-cta {
  background-color: var(--color-primary-dark);
  border: none;
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  color: var(--color-white);
}

.card-cta .card-title {
  color: var(--color-white);
  font-size: 24px;
  line-height: 1.2;
}

.card-cta .card-desc {
  color: var(--color-text-light);
}

/* Info Box / Soft Card */
.info-card {
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-xl);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
}

.info-card--border {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
}

/* Step / Process Item */
.step-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.step-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.step-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}

.step-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.step-desc {
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* Numbered Client Card */
.client-card {
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.client-card:hover {
  transform: translateY(-3px);
  background-color: #ebf4fb;
}

.client-card-num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}

/* Detailed Product Row/Card (Products Page) */
.product-row-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: clamp(24px, 4vw, 36px);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px 48px;
  scroll-margin-top: 100px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.product-row-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.product-row-media {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.product-illustration {
  width: 100%;
  height: 190px;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-illustration-shape-1 {
  position: absolute;
  right: -40px;
  top: -40px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background-color: var(--color-accent-subtle);
}

.product-illustration-shape-2 {
  position: absolute;
  left: -30px;
  bottom: -50px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-color: #C6E0F5;
}

.product-illustration svg {
  position: relative;
  width: 150px;
  height: 150px;
}

.product-row-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.product-row-title {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  color: var(--color-primary-dark);
}

.product-row-desc {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.product-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px 24px;
  margin-top: 6px;
  font-size: 15px;
  color: var(--color-text-main);
}

.product-item-bullet {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.product-item-bullet::before {
  content: '•';
  color: var(--color-primary);
  font-size: 18px;
  line-height: 1.2;
}

/* ==========================================================================
   9. Marquee (Client Logos Carousel)
   ========================================================================== */
.marquee-wrapper {
  overflow: hidden;
  padding-bottom: 56px;
}

.marquee-link {
  display: block;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: lulu-marquee 40s linear infinite;
}

.marquee-group {
  display: flex;
  gap: 20px;
  padding-right: 20px;
}

.client-logo-tile {
  flex: none;
  width: 210px;
  height: 100px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.client-logo-tile:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.client-logo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

@keyframes lulu-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-wrapper:hover .marquee-track,
.marquee-wrapper:focus-within .marquee-track {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }
  .marquee-wrapper {
    overflow-x: auto !important;
  }
}

/* ==========================================================================
   10. CTA Banner & Forms
   ========================================================================== */
.cta-banner {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 64px 0;
}

.cta-banner-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  align-items: center;
  justify-content: space-between;
}

.cta-banner-content {
  flex: 1 1 420px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cta-banner-title {
  color: var(--color-white);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.15;
}

.cta-banner-desc {
  font-size: 18px;
  line-height: 1.55;
  color: var(--color-primary-light);
}

/* Contact Page Layout & Forms */
.contact-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 56px;
  align-items: flex-start;
}

.form-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: clamp(24px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-card--dark-contrast {
  color: var(--color-text-main);
  border: none;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-main);
}

.form-control {
  height: 52px;
  border: 1.5px solid var(--color-border-input);
  border-radius: var(--radius-md);
  padding: 0 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--color-text-main);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(23, 181, 168, 0.25);
}

textarea.form-control {
  height: auto;
  min-height: 120px;
  padding: 12px 14px;
  resize: vertical;
}

.form-feedback {
  display: none;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
}

.form-feedback.is-visible {
  display: block;
}

.form-feedback--success {
  background-color: #e6f9f3;
  color: #0d6852;
  border: 1px solid #a3e6d2;
}

/* Contact Info Sidebar Cards */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-card--navy {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.contact-card--navy .contact-card-label {
  color: var(--color-accent-highlight);
}

.contact-card--navy .contact-card-value {
  color: var(--color-white);
}

.contact-card-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.contact-card-value {
  font-size: 19px;
  font-weight: 500;
  color: var(--color-text-main);
  line-height: 1.5;
}

.contact-card-value a {
  color: inherit;
}

.contact-card-value a:hover {
  color: var(--color-primary);
}

/* Map Container in Contact Page */
.map-layout {
  display: grid;
  grid-template-columns: 1.8fr 1.2fr;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background-color: var(--color-primary-subtle);
}

.map-visual {
  min-height: 380px;
  position: relative;
  background-color: var(--color-primary-light);
  overflow: hidden;
}

.map-svg-bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.map-pin-badge {
  position: absolute;
  left: 46%;
  top: 44%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transform: translate(-50%, -100%);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.15));
}

.map-pin-label {
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.map-info {
  padding: clamp(24px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  background-color: var(--color-white);
}

/* ==========================================================================
   11. Site Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-footer);
  border-top: 1px solid var(--color-border);
}

.site-footer-inner {
  padding-top: 40px;
  padding-bottom: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  align-items: center;
  justify-content: space-between;
}

.site-footer-logo img {
  height: 72px;
  width: auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-weight: 500;
}

.footer-nav a {
  color: var(--color-primary-dark);
  padding: 8px 0;
}

.footer-nav a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-copy {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   12. Responsive Media Queries
   ========================================================================== */
/* Tablet & Medium Screens (< 992px) */
@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .iso-diagram-wrapper {
    max-width: 420px;
  }

  .trust-grid {
    gap: 32px;
  }

  .product-row-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-row-media {
    width: 100%;
    max-width: 320px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .map-layout {
    grid-template-columns: 1fr;
  }

  .map-visual {
    min-height: 280px;
  }

  /* Responsive Mobile Navigation Drawer */
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: -4px 0 24px rgba(10, 47, 102, 0.15);
    padding: 80px 24px 40px;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    overflow-y: auto;
    z-index: 1001;
    transition: right var(--transition-smooth);
  }

  body.nav-open .site-nav {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-size: 17px;
  }

  .nav-link:hover {
    background-color: var(--color-primary-subtle);
  }

  .nav-link.is-active::after {
    display: none;
  }

  .nav-link.is-active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
  }

  .nav-cta {
    width: 100%;
  }

  .nav-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Mobile Backdrop */
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background-color: rgba(10, 47, 102, 0.4);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
    z-index: 1000;
  }

  body.nav-open .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* Small Screens / Mobile (< 768px) */
@media (max-width: 767px) {
  :root {
    --container-padding: 16px;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .topbar-contacts {
    font-size: 13px;
    gap: 4px 16px;
  }

  .topbar-badge {
    font-size: 13px;
  }

  .site-header-inner {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .site-logo img {
    height: 52px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .stat-card-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    flex-direction: column;
    gap: 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cta-banner-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-banner-inner .btn {
    width: 100%;
  }

  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .footer-nav {
    flex-direction: column;
    gap: 8px;
  }

  .category-chips-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
  }

  .category-chips-nav .chip-link {
    flex-shrink: 0;
  }
}

/* Extra Small Phones (< 480px) */
@media (max-width: 479px) {
  .iso-diagram-wrapper {
    max-width: 320px;
  }

  .iso-node--corner span {
    font-size: 11px;
  }

  .iso-node--center .iso-title {
    font-size: 22px;
  }

  .iso-node--center .iso-sub {
    font-size: 14px;
  }

  .iso-node--center .iso-desc {
    font-size: 10px;
  }

  .site-nav {
    width: 85%;
    right: -85%;
  }
}