/* ===================================
   Pharmaceutical Website - Main Styles
   =================================== */

/* CSS Custom Properties */
:root {
  /* Colors */
  --primary-color: #1A2B56;
  --primary-light: #2A3B66;
  --primary-dark: #0A1B46;
  --secondary-color: #4A90E2;
  --secondary-light: #6AB0FF;
  --accent-color: #00A8CC;
  --white: #FFFFFF;
  --light-gray: #F5F7FA;
  --gray: #E0E4E8;
  --medium-gray: #8B95A5;
  --dark-gray: #333333;
  --success: #28A745;
  --warning: #FFC107;
  --danger: #DC3545;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-sm: 4px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;

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

/* ===================================
   Reset & Base Styles
   =================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--dark-gray);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

/* ===================================
   Typography
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   Utility Classes
   =================================== */

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

.section {
  padding: var(--spacing-xxl) 0;
}

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

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

.text-primary {
  color: var(--primary-color);
}

.text-secondary {
  color: var(--secondary-color);
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 var(--spacing-lg);
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--dark-gray);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    transition: left var(--transition-medium);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--gray);
  }
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  height: 100vh;
  min-height: 600px;
  background: linear-gradient(135deg, rgba(26, 43, 86, 0.95), rgba(74, 144, 226, 0.85)),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%231A2B56" width="1200" height="600"/></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
  margin-top: var(--header-height);
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-lg);
  animation: fadeInUp 1s ease;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all var(--transition-medium);
  text-align: center;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--secondary-color);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-secondary {
  background-color: var(--white);
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background-color: var(--light-gray);
  transform: translateY(-2px);
}

/* ===================================
   Quick Links Section
   =================================== */

.quick-links {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
  margin-top: calc(-1 * var(--spacing-xl));
  position: relative;
  z-index: 10;
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.quick-link-card {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.quick-link-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.quick-link-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.quick-link-card h3 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

.quick-link-card p {
  opacity: 0.9;
  font-size: 0.9rem;
}

/* ===================================
   Product Categories
   =================================== */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
  cursor: pointer;
}

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

.product-image {
  height: 200px;
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
}

.product-content {
  padding: var(--spacing-lg);
}

.product-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.product-card p {
  color: var(--medium-gray);
  margin-bottom: var(--spacing-md);
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--medium-gray);
  max-width: 700px;
  margin: 0 auto;
}

.section-divider {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  margin: var(--spacing-md) auto;
  border-radius: 2px;
}

/* ===================================
   Cards
   =================================== */

.card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
}

/* ===================================
   Forms
   =================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--primary-color);
}

.form-control {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--gray);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

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

/* ===================================
   Footer
   =================================== */

.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   Page Header (for internal pages)
   =================================== */

.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  padding: calc(var(--header-height) + var(--spacing-xxl)) 0 var(--spacing-xxl);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.page-header h1 {
  color: var(--white);
  font-size: 3rem;
}

.breadcrumb {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  opacity: 0.9;
}

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

/* ===================================
   Animations
   =================================== */

/* Page Load Animation */
@keyframes pageLoad {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body {
  animation: pageLoad 0.6s ease-out;
}

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Slide In Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Stagger Animation Classes */
.fade-in {
  animation: fadeIn 0.8s ease;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease;
}

.slide-in-right {
  animation: slideInRight 0.8s ease;
}

.scale-in {
  animation: scaleIn 0.6s ease;
}

/* Stagger delays for grid items */
.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

.stagger-5 {
  animation-delay: 0.5s;
}

.stagger-6 {
  animation-delay: 0.6s;
}

/* Section animations - applied via JavaScript */
.section-animate {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Enhanced card entrance */
.card-entrance {
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-entrance.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Page header animation */
.page-header {
  animation: fadeInUp 0.8s ease;
}

/* Quick links grid stagger */
.quick-link-card {
  animation: fadeInUp 0.8s ease both;
}

.quick-link-card:nth-child(1) {
  animation-delay: 0.1s;
}

.quick-link-card:nth-child(2) {
  animation-delay: 0.2s;
}

.quick-link-card:nth-child(3) {
  animation-delay: 0.3s;
}

.quick-link-card:nth-child(4) {
  animation-delay: 0.4s;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .section {
    padding: var(--spacing-xl) 0;
  }

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

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

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* ===================================
   Additional Components
   =================================== */

/* News Grid */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.news-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
}

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

.news-image {
  height: 200px;
  background: linear-gradient(135deg, var(--gray), var(--medium-gray));
  overflow: hidden;
}

.news-content {
  padding: var(--spacing-lg);
}

.news-date {
  color: var(--medium-gray);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.news-card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

/* Map Container */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--medium-gray);
}

/* Info Boxes */
.info-box {
  background: linear-gradient(135deg, var(--light-gray), var(--white));
  border-left: 4px solid var(--secondary-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.info-box h4 {
  margin-bottom: var(--spacing-sm);
}

/* List Styles */
.styled-list {
  list-style: none;
  padding-left: 0;
}

.styled-list li {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.styled-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}