/*
 * LuxeSmile - Dental Clinic Website Styles
 */

/* ========== CSS Reset & Base Styles ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --primary-color: #4A90E2;
  --primary-dark: #357ABD;
  --primary-light: #E8F4FF;
  --secondary-color: #2C3E50;
  --accent-color: #FFD700;
  --text-dark: #2C3E50;
  --text-light: #7F8C8D;
  --white: #FFFFFF;
  --gray-light: #F8F9FA;
  --gray-medium: #E9ECEF;

  /* Typography */
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

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

  /* 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(0,0,0,0.1);

  /* Transitions */
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

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

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

/* ========== Container ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========== Navigation ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

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

.navbar-brand .logo {
  height: 50px;
  width: auto;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: var(--transition);
  border-radius: 3px;
}

.navbar-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.navbar-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

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

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

/* ========== Buttons ========== */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* ========== Hero Section ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.9) 0%, rgba(53, 122, 189, 0.9) 100%),
              image-url("/assets/dental/hero-bg-96f2bbb5.jpg") center/cover no-repeat;
  margin-top: 70px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
  animation: pulseBackground 15s ease-in-out infinite;
}

@keyframes pulseBackground {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 1px 1px 5px rgba(0,0,0,0.2);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-arrow {
  width: 30px;
  height: 50px;
  border: 2px solid var(--primary-color);
  border-radius: 25px;
  position: relative;
}

.scroll-arrow::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0%, 100% { top: 10px; opacity: 1; }
  50% { top: 30px; opacity: 0; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-light);
}

/* ========== Services Section ========== */
.services {
  background: var(--white);
}

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

.service-card {
  background: var(--white);
  border-radius: 20px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card.featured {
  border: 3px solid var(--primary-color);
}

.featured-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--accent-color);
  color: var(--secondary-color);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.service-icon {
  margin-bottom: var(--spacing-sm);
}

.service-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.service-features {
  list-style: none;
}

.service-features li {
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
  padding-left: 5px;
}

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

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

.doctor-card {
  background: var(--white);
  border-radius: 20px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
}

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

.doctor-image-placeholder {
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: center;
}

.doctor-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.doctor-title {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.doctor-credentials {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.8;
  text-align: left;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
}

.feature-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.feature-label {
  color: var(--text-light);
  font-weight: 500;
}

/* ========== Testimonials Section ========== */
.testimonials {
  background: var(--white);
}

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

.testimonial-card {
  background: var(--gray-light);
  border-radius: 20px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.testimonial-stars {
  color: var(--accent-color);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  color: var(--text-dark);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.testimonial-author {
  color: var(--text-light);
  font-weight: 600;
  text-align: right;
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.contact-form-wrapper {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

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

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

.form-input {
  width: 100%;
  padding: 12px 20px;
  border: 2px solid var(--gray-medium);
  border-radius: 10px;
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--white);
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.contact-info-item p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.contact-map {
  margin-top: var(--spacing-sm);
}

.map-placeholder {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* ========== Footer ========== */
.footer {
  background: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-section h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xs);
  line-height: 1.8;
}

.footer-logo {
  height: 50px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--spacing-sm);
}

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

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
  .navbar-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
  }

  .navbar-menu.active {
    max-height: 500px;
    opacity: 1;
    padding: var(--spacing-md);
  }

  .navbar-menu .nav-link,
  .navbar-menu .btn {
    width: 100%;
    text-align: center;
    padding: 12px;
  }

  .navbar-menu .btn {
    margin-top: var(--spacing-sm);
  }

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

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

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

  .services-grid,
  .doctors-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

/* ========== Enhanced Image Styles ========== */
.service-image {
  position: relative;
  overflow: hidden;
  border-radius: 15px 15px 0 0;
  height: 250px;
}

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

.service-card:hover .service-img {
  transform: scale(1.1);
}

.service-content {
  padding: var(--spacing-md);
}

.btn-service {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-service:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

/* ========== Doctor Photos ========== */
.doctor-image {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-md);
  border-radius: 50%;
  overflow: hidden;
  border: 5px solid var(--primary-light);
  position: relative;
  transition: var(--transition);
}

.doctor-card:hover .doctor-image {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(74, 144, 226, 0.3);
}

.doctor-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Testimonial Photos ========== */
.testimonial-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.testimonial-photo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
}

.testimonial-author {
  text-align: left;
  color: var(--text-dark);
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

/* ========== Advanced Animations ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.service-card {
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

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

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

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

/* ========== Enhanced Hover Effects ========== */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.service-card:hover::before {
  left: 100%;
}

.doctor-card,
.testimonial-card {
  transition: all 0.3s ease;
}

.doctor-card:hover {
  transform: translateY(-10px) scale(1.02);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

/* ========== Service Grid Enhanced ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.service-card.featured {
  position: relative;
  border: 2px solid var(--primary-color);
}

.featured-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--accent-color);
  color: var(--secondary-color);
  padding: 5px 15px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 10;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* ========== Scroll Animations ========== */
.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Scroll Animation Styles ========== */
.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-80px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(80px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Delay progresivo para múltiples elementos */
.doctor-card:nth-child(1) {
  transition-delay: 0.1s;
}

.doctor-card:nth-child(2) {
  transition-delay: 0.3s;
}

.feature-item:nth-child(1) {
  transition-delay: 0.1s;
}

.feature-item:nth-child(2) {
  transition-delay: 0.2s;
}

.feature-item:nth-child(3) {
  transition-delay: 0.3s;
}

.feature-item:nth-child(4) {
  transition-delay: 0.4s;
}

/* Animación de rotación suave en doctor images */
.doctor-image {
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.doctor-card.is-visible .doctor-image {
  animation: rotateIn 0.8s ease-out;
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.8);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* Efecto de brillo en las tarjetas al aparecer */
.doctor-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity 0.3s;
}

.doctor-card.is-visible::after {
  animation: shine 1.5s ease-in-out 0.5s;
}

@keyframes shine {
  0% {
    opacity: 0;
    transform: translateX(-100%) rotate(45deg);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(100%) rotate(45deg);
  }
}

/* Animación especial para números de estadísticas */
.feature-number {
  display: inline-block;
  transition: all 0.3s ease;
}

.feature-item.is-visible .feature-number {
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Parallax effect suave */
.hero-background {
  will-change: transform;
  transition: transform 0.1s ease-out;
}

/* Mejora de performance para animaciones */
.fade-in-section,
.slide-in-left,
.slide-in-right {
  will-change: opacity, transform;
}

.is-visible {
  will-change: auto;
}