/* ============================================
   EDA LIVE MEDICAL - DESIGN SYSTEM
   Medical Professional Website
   ============================================ */

/* IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700&family=Inter:wght@400;500;600&display=swap');

/* ============================================
   ROOT VARIABLES
   ============================================ */

:root {
  /* Colors - Medical Palette */
  --primary: #0369A1;
  --primary-light: #0EA5E9;
  --primary-dark: #0284C7;
  --accent: #DC2626;
  --accent-light: #EF4444;
  --background: #FAFAF9;
  --foreground: #1E293B;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --muted: #F1F5F9;
  --muted-foreground: #64748B;
  --success: #10B981;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition: all 0.3s ease-out;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

.section-padding {
  padding: var(--spacing-2xl) 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: var(--spacing-xl) 0;
  }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: white;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  color: var(--foreground);
  transition: var(--transition);
}

.logo:hover {
  color: var(--primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.25rem;
}

nav {
  display: none;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  nav {
    display: flex;
  }
}

nav a {
  color: var(--foreground);
  font-weight: 500;
  transition: var(--transition);
}

nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

.header-cta {
  display: none;
  align-items: center;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .header-cta {
    display: flex;
  }
}

.phone-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--muted);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle:hover {
  background: var(--border);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md);
  flex-direction: column;
  gap: var(--spacing-sm);
  animation: slideDown 0.3s ease-out;
}

.mobile-menu.active {
  display: flex;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-menu a {
  padding: var(--spacing-sm);
  color: var(--foreground);
  transition: var(--transition);
}

.mobile-menu a:hover {
  background: var(--muted);
  border-radius: var(--radius-md);
}

/* Sticky Call Button on Mobile */
.call-button-mobile {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 56px;
  height: 56px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 40;
}

@media (min-width: 768px) {
  .call-button-mobile {
    display: none;
  }
}

.call-button-mobile:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

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

.btn-accent:hover {
  background: var(--accent-light);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--muted);
  color: var(--foreground);
}

.btn-secondary:hover {
  background: var(--border);
  transform: scale(1.05);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.card-service {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, rgba(3, 105, 161, 0.05) 0%, rgba(14, 165, 233, 0.05) 100%);
  padding: var(--spacing-2xl) 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-text h1 {
  color: var(--foreground);
  margin-bottom: var(--spacing-md);
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--muted-foreground);
  margin-bottom: var(--spacing-lg);
}

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

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.hero-image {
  position: relative;
  height: 400px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.6s ease-out;
}

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

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(3, 105, 161, 0.2) 0%, rgba(220, 38, 38, 0.2) 100%);
}

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

/* ============================================
   STATS SECTION
   ============================================ */

.stats {
  background: var(--primary);
  color: white;
  padding: var(--spacing-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-item h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.stat-item p {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: 0;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

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

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

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

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumbs {
  background: var(--muted);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.breadcrumbs a {
  color: var(--primary);
}

.breadcrumbs span {
  color: var(--muted-foreground);
  margin: 0 var(--spacing-xs);
}

/* ============================================
   FORMS
   ============================================ */

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

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  font-size: 0.875rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.1);
}

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

/* ============================================
   FOOTER
   ============================================ */

footer {
  background: var(--foreground);
  color: white;
  padding: var(--spacing-2xl) 0;
}

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

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-section a:hover {
  color: white;
  text-decoration: none;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .footer-divider {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-bottom {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   ANIMATIONS
   ============================================ */

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

/* ============================================
   UTILITIES
   ============================================ */

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

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

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

.text-muted {
  color: var(--muted-foreground);
}

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

.bg-accent {
  background: var(--accent);
  color: white;
}

.bg-muted {
  background: var(--muted);
}

.gradient-blue {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
}

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

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

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

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

.gap-md {
  gap: var(--spacing-md);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 640px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .section-padding {
    padding: var(--spacing-xl) 0;
  }
}