/* ==========================================================================
   SOLEUS FABRITECH PVT LTD - STYLESHEET
   Design System: Modern, Clean, Biopharma Industrial Aesthetics
   Reference Vibe: Sartorius, Zeta Biosystem, DD Enterprises
   ========================================================================== */

/* 1. CSS VARIABLES & DESIGN TOKENS */
:root {
  /* Brand Palette derived from Soleus Logo */
  --color-navy: #0B2545;
  --color-navy-dark: #071930;
  --color-navy-light: #133968;
  --color-brand-blue: #1C6EA4;
  --color-brand-blue-hover: #165884;
  --color-cyan: #18B4D6;
  --color-cyan-hover: #1397b4;
  --color-cyan-soft: rgba(24, 180, 214, 0.12);
  
  /* Surfaces and Neutrals */
  --color-surface: #F4F7FA;
  --color-surface-alt: #EBF1F6;
  --color-surface-white: #FFFFFF;
  --color-text: #1B2733;
  --color-text-muted: #5B6B7B;
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E1;
  --color-white: #FFFFFF;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-error: #EF4444;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing Scale (8px system) */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem;  /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem;    /* 16px */
  --space-5: 1.25rem; /* 20px */
  --space-6: 1.5rem;  /* 24px */
  --space-8: 2rem;    /* 32px */
  --space-10: 2.5rem; /* 40px */
  --space-12: 3rem;   /* 48px */
  --space-16: 4rem;   /* 64px */
  --space-20: 5rem;   /* 80px */
  --space-24: 6rem;   /* 96px */

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.06), 0 1px 2px rgba(11, 37, 69, 0.04);
  --shadow-md: 0 4px 12px rgba(11, 37, 69, 0.08), 0 2px 4px rgba(11, 37, 69, 0.04);
  --shadow-lg: 0 12px 32px rgba(11, 37, 69, 0.12), 0 4px 8px rgba(11, 37, 69, 0.06);
  --shadow-hover: 0 16px 36px rgba(11, 37, 69, 0.14), 0 6px 12px rgba(11, 37, 69, 0.08);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Container width */
  --container-max: 1200px;
  --header-height: 80px;
}

/* 2. BASE & RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-surface-white);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

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

a:hover {
  color: var(--color-navy);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw + 0.5rem, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw + 0.25rem, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

ul, ol {
  list-style-position: inside;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* 3. UTILITIES & LAYOUT */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
  }
}

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

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

.section--navy h1, .section--navy h2, .section--navy h3 {
  color: var(--color-white);
}

.section--navy p {
  color: rgba(255, 255, 255, 0.82);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12);
}

.section-header--left {
  text-align: left;
  margin-left: 0;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-brand-blue);
  background-color: var(--color-cyan-soft);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.section--navy .eyebrow {
  background-color: rgba(24, 180, 214, 0.2);
  color: var(--color-cyan);
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

.section-header p {
  font-size: 1.125rem;
}

/* 4. BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-brand-blue);
  border-color: var(--color-brand-blue);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(28, 110, 164, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn-secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

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

.btn-white:hover {
  background-color: var(--color-surface);
  color: var(--color-brand-blue);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.0625rem;
}

/* 5. HEADER & NAVIGATION */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-surface-white);
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  background-color: var(--color-white);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.nav-desktop-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-desktop-links a {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-desktop-links a:hover,
.nav-desktop-links a.active {
  color: var(--color-brand-blue);
}

.nav-desktop-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-brand-blue);
  border-radius: var(--radius-full);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  color: var(--color-navy);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.mobile-nav-toggle:hover {
  background-color: var(--color-surface);
}

.mobile-nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-surface-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  z-index: 99;
}

.mobile-nav-drawer.is-open {
  display: flex;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-links a {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-navy);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  background-color: var(--color-surface);
  color: var(--color-brand-blue);
}

.mobile-nav-drawer .btn {
  width: 100%;
  margin-top: var(--space-2);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
  .mobile-nav-toggle {
    display: none;
  }
}

/* 6. HERO SECTION */
.hero {
  position: relative;
  background-color: var(--color-navy);
  background-image: linear-gradient(135deg, rgba(7, 25, 48, 0.94) 0%, rgba(11, 37, 69, 0.90) 50%, rgba(28, 110, 164, 0.85) 100%),
                    url('../images/plant/exterior-building.jpg');
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  padding: var(--space-20) 0;
  min-height: 580px;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 780px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  background-color: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-cyan);
  border-radius: 50%;
  display: inline-block;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
  font-weight: 800;
  line-height: 1.15;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.35rem);
  margin-bottom: var(--space-8);
  max-width: 680px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Page Banner (for subpages) */
.page-banner {
  background-color: var(--color-navy);
  background-image: linear-gradient(135deg, rgba(7, 25, 48, 0.95) 0%, rgba(11, 37, 69, 0.92) 100%);
  color: var(--color-white);
  padding: var(--space-16) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-banner h1 {
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.page-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  max-width: 700px;
}

/* 7. STATS STRIP */
.stats-strip {
  background-color: var(--color-surface-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
}

.stat-item {
  text-align: center;
  padding: var(--space-4);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw + 0.5rem, 2.75rem);
  font-weight: 800;
  color: var(--color-brand-blue);
  line-height: 1.1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* 8. PRODUCT CARDS & SHOWCASE */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  background: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-brand-blue);
}

.product-card-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-surface);
  position: relative;
}

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

.product-card:hover .product-card-img-wrap img {
  transform: scale(1.05);
}

.product-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-title {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-navy);
}

.product-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-brand-blue);
  margin-top: auto;
}

.product-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card-link svg {
  transform: translateX(4px);
}

/* 9. WHY CHOOSE SOLEUS (FEATURES) */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-brand-blue);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  background-color: var(--color-cyan-soft);
  color: var(--color-brand-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-icon-box svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: 0.9375rem;
}

/* 10. 5-STEP PROCESS STRIP */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  position: relative;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
  }
}

.process-step {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: var(--space-4);
}

.process-step h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: 0.875rem;
  line-height: 1.5;
}

/* 11. CLIENTS NAME WALL */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .clients-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.client-item {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-navy);
  min-height: 72px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.client-item:hover {
  border-color: var(--color-brand-blue);
  color: var(--color-brand-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 12. CALL TO ACTION BAND */
.cta-band {
  background-color: var(--color-navy);
  background-image: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .cta-band {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    padding: var(--space-12) var(--space-12);
  }
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
}

.cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* 13. GALLERY & PHOTO PRESENTATION */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-grid--4col {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .gallery-grid--4col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid--4col {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  background-color: var(--color-surface);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-brand-blue);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(11, 37, 69, 0.85) 0%, rgba(11, 37, 69, 0) 100%);
  color: var(--color-white);
  padding: var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(6px);
  transition: all var(--transition-fast);
}

.gallery-item:hover .gallery-caption,
.gallery-item:focus .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* 14. SPECIFICATION CARDS (EQUIPMENT) */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.spec-card h3 {
  font-size: 1.1875rem;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.spec-card h3 svg {
  color: var(--color-brand-blue);
  flex-shrink: 0;
}

.spec-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.spec-card li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.spec-card li::before {
  content: '•';
  color: var(--color-cyan);
  font-weight: bold;
  font-size: 1.25rem;
  line-height: 1;
}

/* 15. LEADERSHIP & QUALITY SECTIONS */
.leaders-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .leaders-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.leader-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.leader-role {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-brand-blue);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.leader-card h3 {
  font-size: 1.35rem;
  margin-bottom: var(--space-4);
}

.leader-card p {
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* Quality 5-Item Policy Cards */
.quality-policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .quality-policy-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.policy-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.policy-badge-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-cyan-soft);
  color: var(--color-brand-blue);
  font-family: var(--font-heading);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
}

.policy-card h4 {
  font-size: 1.0625rem;
  color: var(--color-navy);
}

/* ISO Certificate Display Card */
.iso-certificate-card {
  background: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .iso-certificate-card {
    flex-direction: row;
    align-items: center;
  }
}

.iso-thumbnail-wrap {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  flex-shrink: 0;
  position: relative;
}

.iso-thumbnail-wrap:hover {
  transform: scale(1.02);
  border-color: var(--color-brand-blue);
  box-shadow: var(--shadow-md);
}

.iso-thumbnail-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.iso-thumbnail-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(11, 37, 69, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.iso-thumbnail-wrap:hover .iso-thumbnail-overlay {
  opacity: 1;
}

/* 16. CONTACT PAGE */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1.25fr;
  }
}

.contact-info-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-detail-group {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-brand-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 22px;
  height: 22px;
}

.contact-detail-body h4 {
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact-detail-body p,
.contact-detail-body a {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-navy);
}

.contact-detail-body a:hover {
  color: var(--color-brand-blue);
}

/* Google Map Embed Frame */
.contact-map-block {
  width: 100%;
}

.contact-map-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: block;
}

@media (max-width: 768px) {
  .contact-map-frame {
    aspect-ratio: 4 / 3;
  }
}

/* Contact Form */
.contact-form-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.form-label span.req {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand-blue);
  box-shadow: 0 0 0 3px rgba(28, 110, 164, 0.15);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
  display: none;
  font-size: 0.9375rem;
}

.form-status.is-success {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.form-status.is-error {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* 17. FOOTER */
.site-footer {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 1.5fr 1fr 1.25fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo-img {
  height: 48px;
  width: auto;
  background-color: var(--color-white);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  max-width: 170px;
  object-fit: contain;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  max-width: 340px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-cyan);
  background: rgba(24, 180, 214, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-contact-item a:hover {
  color: var(--color-cyan);
}

.footer-contact-item svg {
  color: var(--color-cyan);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

/* 18. FLOATING WHATSAPP BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 95;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

/* 19. IMAGE LIGHTBOX MODAL */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 25, 48, 0.92);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.lightbox-modal.is-active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  background-color: var(--color-white);
}

.lightbox-caption {
  color: var(--color-white);
  margin-top: var(--space-3);
  font-size: 0.9375rem;
  text-align: center;
  max-width: 600px;
}

.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
  opacity: 0.75;
}

.lightbox-close svg {
  width: 28px;
  height: 28px;
}

/* 20. FADE-IN ON SCROLL ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1), transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 21. ACCESSIBILITY & PREFERS-REDUCED-MOTION */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .product-card:hover,
  .gallery-item:hover,
  .client-item:hover,
  .whatsapp-float:hover {
    transform: none !important;
  }
}

/* Focus styles for keyboard accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

/* Hidden utility */
.is-hidden {
  display: none !important;
}