/* ========================================
   Chronten Pharmachem - Professional Website
   Modern Pharmaceutical Industry Design
   ======================================== */

/* CSS Variables */
:root {
  /* Primary Colors - Clean professional palette */
  --primary-cyan: #0891b2;
  --primary-blue: #0369a1;
  --primary-purple: #7c3aed;
  --primary-magenta: #db2777;

  /* Gradient */
  --gradient-primary: linear-gradient(135deg, #0891b2 0%, #0369a1 100%);
  --gradient-hero: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  --gradient-card: linear-gradient(180deg, rgba(8, 145, 178, 0.05) 0%, rgba(3, 105, 161, 0.02) 100%);

  /* Neutral Colors */
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --dark-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f8fafc;
  --white: #ffffff;

  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1280px;
  --container-padding: 1.5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 40px rgba(8, 145, 178, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--dark-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ========================================
   Preloader
   ======================================== */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader {
  text-align: center;
}

.loader-logo {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-lg);
  animation: pulse 2s ease-in-out infinite;
  border-radius: var(--radius-lg);
}

.loader-spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  transition: padding var(--transition-base);
}

.header.scrolled .container {
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  transition: transform var(--transition-base);
  border-radius: var(--radius-md);
}

.logo-link:hover .logo-img {
  transform: scale(1.05);
}

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

.logo-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.logo-tagline {
  font-size: 0.7rem;
  color: var(--dark-600);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark-600);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-blue);
  background: rgba(8, 145, 178, 0.08);
}

.nav-cta {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(8, 145, 178, 0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(3, 105, 161, 0.2), transparent),
    radial-gradient(2px 2px at 50px 160px, rgba(8, 145, 178, 0.2), transparent),
    radial-gradient(2px 2px at 90px 40px, rgba(3, 105, 161, 0.3), transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(8, 145, 178, 0.2), transparent),
    radial-gradient(2px 2px at 160px 120px, rgba(3, 105, 161, 0.3), transparent);
  background-repeat: repeat;
  background-size: 200px 200px;
  animation: particles 20s linear infinite;
  opacity: 0.4;
}

@keyframes particles {
  0% { transform: translateY(0); }
  100% { transform: translateY(-200px); }
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(8, 145, 178, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(3, 105, 161, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(8, 145, 178, 0.05) 0%, transparent 60%);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  padding-top: 120px;
  padding-bottom: var(--space-4xl);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-cyan);
  background: rgba(8, 145, 178, 0.1);
  border: 1px solid rgba(8, 145, 178, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--dark-800);
  margin-bottom: var(--space-lg);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--gray-500);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.btn-primary {
  color: var(--white);
  background: var(--gradient-primary);
  box-shadow: 0 4px 15px rgba(8, 145, 178, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(8, 145, 178, 0.4);
}

.btn-outline {
  color: var(--dark-700);
  background: transparent;
  border: 2px solid var(--gray-300);
}

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

.btn-white {
  color: var(--dark-900);
  background: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-outline-white {
  color: var(--white);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: var(--space-xs);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.molecule-animation {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.molecule-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
  animation: rotate 20s linear infinite;
}

.ring-1 {
  width: 100%;
  height: 100%;
  border-color: rgba(8, 145, 178, 0.3);
  animation-duration: 25s;
}

.ring-2 {
  width: 75%;
  height: 75%;
  border-color: rgba(3, 105, 161, 0.3);
  animation-duration: 20s;
  animation-direction: reverse;
}

.ring-3 {
  width: 50%;
  height: 50%;
  border-color: rgba(8, 145, 178, 0.4);
  animation-duration: 15s;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.molecule-core {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-logo {
  width: 150px;
  height: 150px;
  object-fit: contain;
  filter: drop-shadow(0 0 30px rgba(8, 145, 178, 0.3));
  animation: float 6s ease-in-out infinite;
  border-radius: var(--radius-lg);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Hero Scroll */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--gray-500);
  font-size: 0.8rem;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--gray-600);
  border-radius: var(--radius-full);
  margin: var(--space-sm) auto 0;
  position: relative;
}

.scroll-indicator::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--primary-cyan);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
  0%, 100% { top: 8px; opacity: 1; }
  50% { top: 18px; opacity: 0.5; }
}

/* ========================================
   Section Styles
   ======================================== */
.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  max-width: 700px;
  margin-bottom: var(--space-3xl);
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--dark-800);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  line-height: 1.8;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
  background: var(--gray-100);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.about-text {
  margin-bottom: var(--space-xl);
}

.about-text p {
  margin-bottom: var(--space-md);
  color: var(--dark-600);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.feature-icon-box {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
}

.feature-icon-box svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
}

.about-feature h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-xs);
}

.about-feature p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* Leadership */
.leadership-showcase {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.leadership-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.leadership-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.leader-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--gray-100);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

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

.leader-image-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  overflow: hidden;
}

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

.leader-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.leader-card:hover .leader-overlay {
  opacity: 0.2;
}

.leader-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-xs);
}

.leader-role {
  font-size: 0.85rem;
  color: var(--primary-purple);
  font-weight: 500;
}

/* ========================================
   Products Section
   ======================================== */
.products-section {
  background: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.product-card {
  position: relative;
  padding: var(--space-xl);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-card.featured {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--white);
}

.product-card.featured .product-icon {
  background: rgba(255, 255, 255, 0.2);
}

.product-card.featured .product-icon svg {
  stroke: var(--white);
}

.product-card.featured h3 {
  color: var(--white);
}

.product-card.featured p {
  color: rgba(255, 255, 255, 0.9);
}

.product-card.featured .product-features-list li {
  color: rgba(255, 255, 255, 0.9);
}

.product-card.featured .product-features-list li::before {
  background: var(--white);
}

.product-card.featured .product-link {
  color: var(--white);
}

.product-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.product-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-lg);
}

.product-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--primary-blue);
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-md);
}

.product-card > p {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-bottom: var(--space-lg);
}

.product-features-list {
  margin-bottom: var(--space-lg);
}

.product-features-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--dark-600);
}

.product-features-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--primary-cyan);
  border-radius: 50%;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-blue);
  transition: gap var(--transition-fast);
}

.product-link:hover {
  gap: var(--space-md);
}

/* ========================================
   Capabilities Section
   ======================================== */
.capabilities-section {
  background: var(--gray-100);
}

.capabilities-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.capabilities-content .section-title {
  margin-bottom: var(--space-md);
}

.capabilities-list {
  margin-top: var(--space-xl);
}

.capability-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--gray-300);
}

.capability-item:last-child {
  border-bottom: none;
}

.capability-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.capability-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-xs);
}

.capability-content p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.capabilities-visual {
  display: flex;
  justify-content: center;
}

.capability-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: 400px;
}

.capability-card {
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

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

.capability-card:nth-child(2) {
  transform: translateY(30px);
}

.capability-card:nth-child(2):hover {
  transform: translateY(25px);
}

.capability-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-md);
}

.capability-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
}

.capability-card h5 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-xs);
}

.capability-card p {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ========================================
   Quality Section
   ======================================== */
.quality-section {
  background: var(--white);
}

.quality-wrapper {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.quality-visual {
  display: flex;
  justify-content: center;
}

.quality-badge-large {
  width: 300px;
  height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: var(--white);
  text-align: center;
  box-shadow: 0 20px 60px rgba(8, 145, 178, 0.3);
}

.quality-badge-large svg {
  width: 80px;
  height: 80px;
  stroke: var(--white);
  margin-bottom: var(--space-md);
}

.quality-badge-large span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.quality-checklist {
  margin-top: var(--space-xl);
}

.quality-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 1rem;
  color: var(--dark-600);
}

.quality-checklist li:last-child {
  border-bottom: none;
}

.check-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--success);
  border-radius: 50%;
}

.check-icon svg {
  width: 14px;
  height: 14px;
  stroke: var(--white);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  position: relative;
  background: var(--gradient-primary);
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
}

.cta-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 10% 20%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 90% 80%, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(2px 2px at 50% 50%, rgba(255, 255, 255, 0.2), transparent);
  background-size: 100% 100%;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
  background: var(--gray-100);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
}

.contact-details {
  margin-top: var(--space-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

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

.contact-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
}

.contact-label {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: var(--space-xs);
}

.contact-text a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-800);
  transition: color var(--transition-fast);
}

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

/* Contact Form */
.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--dark-800);
  background: var(--gray-100);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--primary-cyan);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

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

.btn-submit {
  grid-column: 1 / -1;
  justify-self: start;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--white);
  color: var(--dark-600);
  padding-top: var(--space-4xl);
  border-top: 1px solid var(--gray-200);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--gray-200);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark-800);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--primary-cyan);
  margin-bottom: var(--space-md);
}

.footer-description {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
  color: var(--gray-500);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-lg);
}

.footer-column ul li {
  margin-bottom: var(--space-sm);
}

.footer-column ul li a {
  font-size: 0.9rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--primary-cyan);
}

.footer-bottom {
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* ========================================
   WhatsApp Chat Button
   ======================================== */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  border-radius: 50%;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  z-index: 999;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

.whatsapp-tooltip {
  position: absolute;
  left: 70px;
  background: var(--dark-800);
  color: var(--white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-10px);
  transition: all var(--transition-fast);
}

.whatsapp-tooltip::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: transparent var(--dark-800) transparent transparent;
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: none;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .capabilities-wrapper {
    grid-template-columns: 1fr;
  }

  .capabilities-visual {
    order: -1;
  }

  .quality-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .quality-visual {
    order: -1;
    margin-bottom: var(--space-xl);
  }

  .quality-checklist li {
    justify-content: center;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .logo-name {
    font-size: 1.2rem;
  }

  .logo-tagline {
    font-size: 0.55rem;
    letter-spacing: 0.03em;
  }

  .logo-img {
    width: 40px;
    height: 40px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-xl) var(--space-xl);
    background: var(--white);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-base);
    z-index: 1000;
  }

  .main-nav.active {
    right: 0;
  }

  .nav-link,
  .nav-cta {
    width: 100%;
    padding: var(--space-md);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .stat-item {
    text-align: center;
  }

  .leadership-cards {
    grid-template-columns: 1fr;
  }

  .capability-cards {
    grid-template-columns: 1fr;
  }

  .capability-card:nth-child(2) {
    transform: none;
  }

  .capability-card:nth-child(2):hover {
    transform: translateY(-5px);
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .whatsapp-btn {
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-btn svg {
    width: 26px;
    height: 26px;
  }

  .whatsapp-tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .logo-name {
    font-size: 1.1rem;
  }

  .logo-tagline {
    font-size: 0.5rem;
  }

  .logo-img {
    width: 36px;
    height: 36px;
  }

  .logo-link {
    gap: var(--space-sm);
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .quality-badge-large {
    width: 200px;
    height: 200px;
  }

  .quality-badge-large svg {
    width: 50px;
    height: 50px;
  }

  .quality-badge-large span {
    font-size: 1.25rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}