/* ==========================================================================
   Tech Experts Ceylon - Ultra-Fast Modern Stylesheet
   Zero Framework Bloat | Pure Modern CSS | Core Web Vitals Optimized
   ========================================================================== */

:root {
  /* Scientific & Tech Color Palette */
  --color-primary: #0284c7;        /* Vibrant Laboratory Blue */
  --color-primary-dark: #0369a1;   /* Deep Blue */
  --color-primary-light: #e0f2fe;  /* Ice Blue tint */
  --color-accent: #0d9488;         /* Clinical Teal/Emerald */
  --color-accent-light: #ccfbf1;   /* Light Teal tint */
  --color-navy-950: #0a1120;       /* Ultra Deep Navy */
  --color-navy-900: #0f172a;       /* Dark Navy Slate */
  --color-navy-800: #1e293b;       /* Surface Slate */
  --color-navy-700: #334155;       /* Muted Slate */
  --color-gray-100: #f8fafc;       /* Clean Lab Gray/White */
  --color-gray-200: #e2e8f0;       /* Subtle Border */
  --color-gray-300: #cbd5e1;       /* Border */
  --color-gray-500: #64748b;       /* Text Muted */
  --color-gray-600: #475569;       /* Text Secondary */
  --color-gray-800: #1e293b;       /* Text Primary Dark */
  --color-white: #ffffff;
  --color-success: #10b981;

  /* Typography Stack - Zero Font Downloads for Instant First Paint */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Elevations & Glassmorphism */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 30px -10px rgba(15, 23, 42, 0.12);
  --shadow-card-hover: 0 16px 32px -4px rgba(2, 132, 199, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.4);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Modern Top Notification / Quick Contact Bar */
.topbar {
  background: var(--color-navy-950);
  color: var(--color-gray-300);
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.topbar-item a:hover {
  color: var(--color-white);
}

.reg-badge {
  background: rgba(2, 132, 199, 0.2);
  color: #7dd3fc;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Header & Glass Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy-950);
  line-height: 1.15;
  letter-spacing: -0.3px;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-navy-700);
  padding: 6px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

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

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.45);
  color: var(--color-white);
}

.menu-toggle {
  display: none;
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--color-navy-950);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-navy-950) 0%, #0d2238 60%, #071929 100%);
  color: var(--color-white);
  padding: 80px 0 90px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 85% 20%, rgba(2, 132, 199, 0.18) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(13, 148, 136, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(2, 132, 199, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-tag-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(56, 189, 248, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
  }
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.8px;
  margin-bottom: 20px;
}

.hero-title-highlight {
  background: linear-gradient(135deg, #38bdf8 0%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
  color: var(--color-white);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* Hero Media Showcase */
.hero-visual {
  position: relative;
}

.hero-card-stack {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.hero-floating-stat {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  display: flex;
  justify-content: space-around;
  text-align: center;
}

.hero-stat-item strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1.1;
}

.hero-stat-item span {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Stats Ribbon */
.stats-ribbon {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  padding: 30px 0;
  position: relative;
  z-index: 10;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-info h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-navy-950);
  line-height: 1.1;
}

.stat-info p {
  font-size: 0.82rem;
  color: var(--color-gray-600);
  margin-top: 2px;
  font-weight: 500;
}

/* Section Common Headers */
.section {
  padding: 90px 0;
  position: relative;
}

/* Performance optimization via Modern Web Guidance for below-the-fold content */
.section-deferred {
  content-visibility: auto;
  contain-intrinsic-size: auto none auto 700px;
}

.section-alt {
  background: var(--color-gray-100);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-navy-950);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* 3 Core Pillars Section */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pillar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(2, 132, 199, 0.3);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.pillar-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy-950);
  margin-bottom: 14px;
  line-height: 1.3;
}

.pillar-desc {
  font-size: 0.93rem;
  color: var(--color-gray-600);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.pillar-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-200);
}

.pillar-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-navy-800);
  font-weight: 500;
}

.pillar-features li svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.about-images-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.about-img-wrap:hover img {
  transform: scale(1.03);
}

.about-badge-card {
  background: linear-gradient(135deg, var(--color-navy-950) 0%, var(--color-navy-800) 100%);
  color: var(--color-white);
  padding: 30px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-badge-card strong {
  font-size: 3.2rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1;
  margin-bottom: 6px;
}

.about-badge-card span {
  font-size: 0.95rem;
  color: #cbd5e1;
  font-weight: 600;
}

.about-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-navy-950);
  line-height: 1.25;
  margin-bottom: 20px;
}

.about-lead {
  font-size: 1.08rem;
  color: var(--color-gray-800);
  font-weight: 500;
  margin-bottom: 16px;
}

.about-text {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: 24px;
}

/* ISO Accreditation Badges Bar */
.iso-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.iso-pill {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

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

.iso-pill-code {
  display: block;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.iso-pill-title {
  font-size: 0.78rem;
  color: var(--color-gray-600);
  line-height: 1.3;
}

/* Services Grid & Interactive Filter */
.services-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--color-white);
  color: var(--color-navy-700);
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: var(--color-gray-100);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.3);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy-950);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 16px;
}

.service-tag {
  display: inline-block;
  background: var(--color-gray-100);
  color: var(--color-navy-700);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* Certificate Modal & Gallery */
.cert-section {
  background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cert-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.cert-thumb {
  height: 280px;
  width: 100%;
  overflow: hidden;
  background: #f1f5f9;
  position: relative;
}

.cert-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s;
}

.cert-card:hover .cert-thumb img {
  transform: scale(1.04);
}

.cert-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: var(--color-white);
}

.cert-card:hover .cert-overlay {
  opacity: 1;
}

.cert-details {
  padding: 20px;
  text-align: center;
}

.cert-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-950);
  margin-bottom: 4px;
}

.cert-details p {
  font-size: 0.82rem;
  color: var(--color-gray-500);
}

/* Team Showcase */
.team-leader-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 40px;
}

.leader-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 36px;
  align-items: center;
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-gray-200);
}

.leader-photo {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 1 / 1;
}

.leader-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leader-intro h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-navy-950);
  margin-bottom: 4px;
}

.leader-role {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  display: block;
}

.leader-bio {
  font-size: 0.94rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
}

.leader-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cred-badge {
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-navy-800);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.leader-body {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: start;
}

.leader-subhead {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 14px;
}

.leader-bio-col .leader-bio:last-child {
  margin-bottom: 0;
}

.leader-certs-note {
  margin-top: 16px;
  text-align: center;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-gray-500);
}

/* Keep the accreditation number on one line */
.leader-certs-ref {
  white-space: nowrap;
}

/* Team Member Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.member-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.member-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.member-photo {
  height: 240px;
  overflow: hidden;
  background: #f1f5f9;
}

.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-info {
  padding: 18px 16px;
}

.member-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-950);
  margin-bottom: 4px;
}

.member-title {
  font-size: 0.84rem;
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* Contact & Map Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  padding: 36px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.contact-block {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-950);
  margin-bottom: 4px;
}

.contact-details p, .contact-details a {
  font-size: 0.92rem;
  color: var(--color-gray-600);
  line-height: 1.5;
}

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

/* Long email addresses may wrap on narrow screens instead of widening the card */
.contact-details {
  min-width: 0;
}

.contact-details a {
  overflow-wrap: anywhere;
}

.map-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  min-height: 420px;
}

.map-card iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Proprietary Clean Footer */
.site-footer {
  background: var(--color-navy-950);
  color: #cbd5e1;
  padding: 70px 0 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-reg {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #38bdf8;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #94a3b8;
  margin-bottom: 20px;
  max-width: 440px;
}

.footer-pillars-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
  color: #e2e8f0;
}

.footer-pillars-list li::before {
  content: '• ';
  color: #38bdf8;
  font-weight: bold;
}

.footer-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: -0.2px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.9rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #94a3b8;
}

.footer-contact-item svg {
  color: #38bdf8;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item a {
  color: #cbd5e1;
}

.footer-contact-item a:hover {
  color: #38bdf8;
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #64748b;
}

.footer-copyright {
  color: #94a3b8;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Lightbox Modal for Certificates */
.cert-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10, 17, 32, 0.88);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.cert-modal.active {
  display: flex;
  opacity: 1;
}

.cert-modal-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
}

.cert-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--color-navy-950);
  color: var(--color-white);
}

.cert-modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.cert-modal-close {
  color: var(--color-gray-300);
  font-size: 1.5rem;
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.cert-modal-close:hover {
  color: var(--color-white);
}

.cert-modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  justify-content: center;
  background: #f8fafc;
}

.cert-modal-img {
  max-height: 75vh;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

/* Back to top button */
.back-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-fast);
  z-index: 90;
}

.back-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-card-stack {
    max-width: 600px;
    margin: 0 auto;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillars-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .iso-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .leader-head {
    grid-template-columns: 160px 1fr;
    gap: 28px;
  }
  .leader-body {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .leader-certs {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  .nav-container {
    height: 64px;
  }
  .brand-title {
    font-size: 1.1rem;
  }
  .brand-logo {
    height: 40px;
  }
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-xl);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-cta-btn {
    width: 100%;
    justify-content: center;
  }
  .hero {
    padding: 50px 0 60px;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-img {
    height: 280px;
  }
  .hero-floating-stat {
    position: static;
    margin-top: 14px;
    background: var(--color-navy-900);
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .iso-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
  .team-leader-card {
    padding: 28px 20px;
  }
  .leader-head {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }
  .leader-photo {
    width: 180px;
    margin: 0 auto;
  }
  .leader-creds {
    justify-content: center;
  }
  .leader-intro h3 {
    font-size: 1.5rem;
  }
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .contact-info-card {
    padding: 28px 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   Photo Slider - cert-card slides with prev/next, page dots and autoplay
   ========================================================================== */
.slider {
  position: relative;
}

.slider-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 56px) / 3);
  gap: 28px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding: 8px 0 12px;
}

.slider-track::-webkit-scrollbar {
  display: none;
}

.slider-track > * {
  scroll-snap-align: start;
}

.slider-track:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.slider-btn {
  position: absolute;
  top: 148px;
  transform: translateY(-50%);
  z-index: 2;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  color: var(--color-navy-950);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.slider-prev {
  left: 12px;
}

.slider-next {
  right: 12px;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-gray-300);
  transition: all var(--transition-fast);
}

.slider-dot:hover {
  background: var(--color-primary-dark);
}

.slider-dot.active {
  width: 28px;
  background: var(--color-primary);
}

@media (max-width: 1024px) {
  .slider-track {
    grid-auto-columns: calc((100% - 28px) / 2);
  }
}

@media (max-width: 768px) {
  .slider-track {
    grid-auto-columns: 85%;
    gap: 16px;
  }
  .slider-btn {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slider-track {
    scroll-behavior: auto;
  }
}

/* ==========================================================================
   ISO Competence - featured accredited card (ISO/IEC 17025, TL 155-01)
   above a row of the five scope-of-work / assessor-competence standards
   ========================================================================== */

/* Featured accredited card */
.iso-featured {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-white) 75%);
  border: 1px solid rgba(2, 132, 199, 0.3);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.iso-featured-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.iso-featured-code {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy-950);
  line-height: 1.2;
  margin-bottom: 2px;
}

.iso-featured-title {
  font-size: 0.95rem;
  color: var(--color-gray-600);
}

.iso-featured-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  text-align: right;
}

.iso-accredited-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.iso-featured-scope {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.iso-group-label {
  margin: 36px 0 16px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

/* Row of 5, content centred so 1- and 2-line titles sit level */
.iso-grid-5 {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 0;
}

.iso-grid-5 .iso-pill {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.iso-grid-5 .iso-pill-title {
  display: block;
}

@media (max-width: 768px) {
  .iso-featured {
    grid-template-columns: auto 1fr;
    gap: 16px 18px;
    padding: 22px 20px;
  }
  .iso-featured-meta {
    grid-column: 1 / -1;
    align-items: flex-start;
    text-align: left;
  }
  .iso-grid-5 {
    grid-template-columns: repeat(2, 1fr);
  }
  .iso-grid-5 .iso-pill:last-child {
    grid-column: 1 / -1;
  }
}

/* ==========================================================================
   Accreditation Layout - the lab's accreditation (certificate + award photos);
   the Team Leader's personal assessor credentials live in the leader card
   ========================================================================== */
.accred-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 40px;
  align-items: stretch;
}

/* Both boxes share the row height; any extra goes to the caption area */
.accred-cert {
  display: flex;
  flex-direction: column;
}

.accred-cert .cert-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Certificate shown whole, not cropped like the other cert thumbnails */
.accred-cert .cert-thumb {
  height: auto;
  background: var(--color-white);
}

.accred-cert .cert-thumb img {
  height: auto;
  object-fit: contain;
}

.accred-panel {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px;
}

.accred-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--color-gray-200);
}

/* Values sit on one line even when a narrow column wraps its label */
.accred-facts > div {
  display: flex;
  flex-direction: column;
}

.accred-fact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 4px;
}

.accred-fact-value {
  display: block;
  margin-top: auto;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-navy-950);
}

.accred-text {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: 12px;
}

.accred-note {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

.accred-subhead {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-950);
  margin: 26px 0 6px;
}

/* Single-photo slider: one slide per view at every width */
.slider-single .slider-track {
  grid-auto-columns: 100%;
}

.slider-single .cert-thumb {
  height: 340px;
}

.slider-single .slider-btn {
  top: 178px;
}

.slider-single .slider-dots {
  margin-top: 18px;
}

/* Portrait certificates (leader card): one per view, shown whole */
.slider-portrait .cert-thumb {
  height: 460px;
  padding: 16px;
}

.slider-portrait .cert-thumb img {
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(15, 23, 42, 0.18));
}

.slider-portrait .slider-btn {
  top: 238px;
}

.slider-portrait .cert-details {
  padding: 16px 20px;
}

@media (max-width: 1024px) {
  .accred-grid {
    grid-template-columns: 1fr;
  }
  .accred-cert {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .accred-panel {
    padding: 22px 18px;
  }
  .accred-facts {
    gap: 10px;
  }
  .accred-fact-label {
    font-size: 0.62rem;
    letter-spacing: 0.4px;
  }
  .accred-fact-value {
    font-size: 0.88rem;
  }
  .slider-single .cert-thumb {
    height: 220px;
  }
  .slider-portrait .cert-thumb {
    height: 400px;
    padding: 12px;
  }
}

/* ==========================================================================
   Top bar - one slim line: hours + location left, WhatsApp + email right.
   Never wraps; location and email drop out first where space runs short.
   ========================================================================== */
.topbar-content,
.topbar-items {
  flex-wrap: nowrap;
}

.topbar-item {
  white-space: nowrap;
}

/* Safety net: an unexpectedly wide font clips here rather than widening the page */
.topbar {
  overflow: hidden;
}

@media (max-width: 1060px) {
  .topbar-item-wide {
    display: none;
  }
}

/* Header labels never wrap onto two lines */
.nav-cta-btn,
.brand-subtitle {
  white-space: nowrap;
}

/* Narrow desktop: seven links + Call Lab need tighter spacing to fit beside the brand */
@media (min-width: 992px) and (max-width: 1100px) {
  .nav-menu {
    gap: 16px;
  }
  .nav-link {
    font-size: 0.9rem;
  }
}

/* Below 992px the full menu no longer fits beside the brand, so the phone
   header (hamburger menu, no top bar) takes over here instead of at 768px.
   Same declarations as the 768px block above. */
@media (max-width: 991px) {
  .topbar {
    display: none;
  }
  .nav-container {
    height: 64px;
  }
  .brand-title {
    font-size: 1.1rem;
  }
  .brand-logo {
    height: 40px;
  }
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-xl);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-cta-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   Products We Test - service cards, 3 per row, last row centred
   ========================================================================== */
.products-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.products-grid .service-card {
  flex: 0 1 calc((100% - 48px) / 3);
}

.products-grid .service-desc {
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .products-grid .service-card {
    flex-basis: calc((100% - 24px) / 2);
  }
}

@media (max-width: 768px) {
  .products-grid .service-card {
    flex-basis: 100%;
  }
}

/* Standards committees & industry forums photos under the value-added pillars */
.pillars-forums {
  margin-top: 56px;
}

.pillars-forums .iso-group-label {
  margin-top: 0;
}