/* ===================================
   OG Pharmacy - Main Stylesheet
   Brand Colors from logo.png
   =================================== */

/* CSS Variables & Brand Colors */
:root {
  /* Professional Pharmaceutical Colors */
  --primary-blue: #0066CC;
  --primary-blue-dark: #004AAD;
  --primary-blue-light: #E6F2FF;

  --accent-teal: #008B8B;
  --accent-teal-dark: #006666;
  --accent-teal-light: #E0F5F5;

  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Semantic Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: var(--primary-blue);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', var(--font-primary);

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

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 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);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Z-Index */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-modal: 30;
  --z-toast: 40;
  --z-tooltip: 50;
}

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

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  min-height: 100vh;
  padding-top: 80px; /* Compensate for fixed header */
  display: flex;
  flex-direction: column;
}

/* Main content wrapper to push footer down */
main {
  flex: 1 0 auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

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

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

/* ===================================
   Layout Components
   =================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

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

.header {
  background: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-right: 3rem; /* Add spacing between logo and navigation on desktop */
}

.logo img {
  height: 48px;
  width: auto;
}

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

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-blue);
  background-color: var(--gray-50);
}

.nav-link.active {
  color: var(--primary-blue);
  background-color: var(--primary-blue-light);
  background-color: rgba(92, 175, 204, 0.1);
}

/* Header CTAs */
.header-ctas {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Hide WhatsApp button in header on desktop (WhatsApp float button is sufficient) */
.header-ctas .btn-primary {
  display: none;
}

/* Style phone number display in header (desktop only) */
.header-phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.header-phone:hover {
  color: var(--primary-blue-dark);
}

.header-phone i {
  font-size: 1.125rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-700);
  cursor: pointer;
  padding: var(--spacing-sm);
}

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

  .nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-normal);
    z-index: var(--z-modal);
    padding: var(--spacing-xl);
  }

  .nav.active {
    left: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .header-ctas {
    display: none;
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

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

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

.btn-secondary {
  background-color: var(--accent-teal);
  color: var(--white);
  border: 2px solid var(--accent-teal);
}

.btn-secondary:hover {
  background-color: var(--accent-teal-dark);
  border-color: var(--accent-teal-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
  box-shadow: none;
}

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

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

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

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

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

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--gray-100);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-900);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
}

.card-text {
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

/* Product Card Specific */
.product-card {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background-color: var(--accent-teal);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.product-image {
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: var(--gray-50);
}

.product-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
}

.product-category {
  font-size: 0.875rem;
  color: var(--primary-blue);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.product-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.product-dosage {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
}

.product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

.product-min-order {
  font-size: 0.875rem;
  color: var(--gray-500);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--gray-50);
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

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

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

.form-label {
  display: block;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-label.required::after {
  content: ' *';
  color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
  background-color: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(92, 175, 204, 0.1);
}

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

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.form-help {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

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

.hero {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
  transform: rotate(45deg);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-text h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  opacity: 1;
  color: var(--white);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

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

.footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  flex-shrink: 0;
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
}

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

.footer-description {
  line-height: 1.6;
}

.footer-section h3 {
  color: var(--white);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

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

.footer-links a {
  color: var(--gray-300);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-blue-light);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-800);
  text-align: center;
  font-size: 0.875rem;
}

/* ===================================
   Floating WhatsApp Button
   =================================== */

.whatsapp-float {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #20BA5A;
  color: var(--white);
}

/* ===================================
   Floating Phone Button (Mobile Only)
   =================================== */

.phone-float {
  display: none; /* Hidden by default, shown only on mobile */
  position: fixed;
  bottom: var(--spacing-xl);
  left: var(--spacing-xl);
  width: 60px;
  height: 60px;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
  text-decoration: none;
  animation: pulse 2s infinite;
}

.phone-float:hover {
  transform: scale(1.1);
  background-color: var(--primary-blue-dark);
  color: var(--white);
}

/* Tooltip for phone button */
.phone-float::before {
  content: "Call to Order";
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.95);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 1;
  visibility: visible;
  animation: tooltipBounceUp 2s ease-in-out infinite;
  z-index: 999;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.4), var(--shadow-xl);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(0, 102, 204, 0), var(--shadow-xl);
  }
}

@keyframes tooltipFloat {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@keyframes tooltipBounce {
  0%, 100% {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
  }
  50% {
    transform: translateY(-50%) translateX(5px);
    opacity: 0.9;
  }
}

@keyframes tooltipBounceUp {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(-5px);
    opacity: 0.9;
  }
}

/* ===================================
   Utilities
   =================================== */

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

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===================================
   Loading & Animations
   =================================== */

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

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary-blue);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

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

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Remove padding-top on mobile since header is fixed */
  html, body {
    padding-top: 0;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }

  /* Reset logo margin on mobile */
  .logo {
    margin-right: 0;
  }

  /* Navigation */
  .nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-normal);
    z-index: var(--z-modal);
    padding: var(--spacing-xl);
  }

  .nav.active {
    left: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .mobile-menu-toggle {
    display: block;
  }

  .header-ctas {
    display: none;
  }

  /* Hero */
  .hero {
    margin-top: 60px; /* Add space for fixed header on mobile */
  }

  /* First section after header on pages without hero */
  main > .section:first-child,
  main > .products-hero:first-child,
  main > .products-main:first-child {
    padding-top: calc(60px + var(--spacing-2xl)); /* Header height + normal padding */
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-image {
    margin-top: var(--spacing-lg);
  }

  .hero-image img {
    max-width: 100%;
    height: auto;
  }

  /* Grids */
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  /* Utilities */
  .whatsapp-float {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  /* Show phone float button on mobile */
  .phone-float {
    display: flex;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  /* Adjust tooltip on mobile */
  .phone-float::before {
    font-size: 0.75rem;
    padding: 4px 10px;
    bottom: calc(100% + 8px);
  }
}