/* 
  Keerthi Dental Clinic
  Colors: Navy Blue (#1B3A6B), Golden Orange (#F5A623), White (#FFFFFF)
  Fonts: Playfair Display (Headings), DM Sans (Body)
*/

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Open+Sans:wght@300;400;500;600&display=swap');

:root {
  --primary-color: #2A528A;
  --primary-light: #3a6ba8;
  --accent-color: #ECA113;
  --accent-hover: #d18d0e;
  --bg-color: #FFFFFF;
  --bg-light: #F8F9FA;
  --text-dark: #333333;
  --text-light: #666666;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-color);
  margin-bottom: 1rem;
}

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

ul {
  list-style: none;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(245, 166, 35, 0.4);
}

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

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

/* Section */
.section {
  padding: 80px 0;
}

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

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--accent-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 3rem;
  font-size: 0.9rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #000;
  z-index: 1000;
  padding: 10px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 5px 0;
  box-shadow: var(--shadow);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 60px;
  width: auto;
}

.logo-img-footer {
  height: 80px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.1;
}

.logo-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: #fff;
  letter-spacing: 1px;
}

.logo-subtitle {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--accent-color);
  letter-spacing: 2.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: #fff;
}

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

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: #fff;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.8)), url('https://images.unsplash.com/photo-1606811841689-23dfddce3e95?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  max-width: 600px;
  animation: slideUp 1s ease forwards;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 30px;
}

.hero-btns {
  display: flex;
  gap: 20px;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--accent-color);
}

.service-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  color: var(--accent-color);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-light);
}

/* About Doctor */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/5;
}

.about-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(transparent, rgba(27, 58, 107, 0.8));
}

.doctor-name {
  color: var(--primary-color);
  font-size: 2.5rem;
  margin-bottom: 5px;
}

.doctor-qual {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 20px;
  display: block;
}

.about-text p {
  margin-bottom: 20px;
  color: var(--text-light);
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.stat-item {
  background: var(--bg-light);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  border-left: 4px solid var(--accent-color);
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
}

.stat-text {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Why Choose Us */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 30px;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.feature-icon {
  background: var(--bg-light);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-color);
  flex-shrink: 0;
}

.feature-card h4 {
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Working Hours */
.working-hours {
  background: var(--primary-color);
  color: #fff;
  border-radius: 20px;
  padding: 50px;
  box-shadow: var(--shadow-hover);
  position: relative;
  overflow: hidden;
}

.working-hours::before {
  content: '\f5c9'; /* Tooth icon */
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  right: -50px;
  bottom: -50px;
  font-size: 15rem;
  opacity: 0.05;
}

.hours-title {
  color: #fff;
  text-align: center;
  margin-bottom: 30px;
}

.hours-table {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 1.1rem;
}

.hours-row.emergency {
  margin-top: 20px;
  background: var(--accent-color);
  padding: 20px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
}

/* Forms */
.form-container {
  background: #fff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  max-width: 800px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--primary-color);
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}

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

.submit-btn {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

.form-message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 8px;
  display: none;
  text-align: center;
  font-weight: 500;
}

.form-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
}

.quote-icon {
  color: var(--accent-color);
  font-size: 2rem;
  opacity: 0.3;
  margin-bottom: 20px;
}

.stars {
  color: #FFD700;
  margin-bottom: 15px;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--text-light);
}

.patient-name {
  font-weight: 600;
  color: var(--primary-color);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Map */
.map-container {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 400px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: #fff;
  padding: 80px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  text-decoration: none;
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  gap: 15px;
}

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

.social-icons a:hover {
  background: var(--accent-color);
  transform: translateY(-3px);
}

.footer h4 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: #fff;
  position: relative;
  padding-bottom: 10px;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--accent-color);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: '\f105';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  color: var(--accent-color);
  transition: var(--transition);
}

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

.footer-links a:hover::before {
  transform: translateX(5px);
}

.contact-info li {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.8);
}

.contact-info i {
  color: var(--accent-color);
  font-size: 1.2rem;
  margin-top: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Floating Elements */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 100;
  animation: pulse 2s infinite;
  transition: transform 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  color: white;
}

.scroll-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  background: var(--primary-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  z-index: 99;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--accent-color);
  color: white;
}

/* Animations */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

/* Page Headers */
.page-header {
  padding: 150px 0 80px;
  background: var(--primary-color);
  color: #fff;
  text-align: center;
}

.page-header h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 15px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 1.1rem;
}

.breadcrumb a {
  color: var(--accent-color);
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 3rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: #000;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transition: 0.4s ease-in-out;
    box-shadow: 0 10px 10px rgba(0,0,0,0.1);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-links a {
    font-size: 1.2rem;
  }
  
  .hero {
    text-align: center;
  }
  
  .hero-content {
    margin: 0 auto;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .working-hours {
    padding: 30px 20px;
  }
  
  .hours-row {
    flex-direction: column;
    text-align: center;
    gap: 5px;
  }
}

@media (max-width: 480px) {
  .hero-btns {
    flex-direction: column;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}