/* =====================================================
   GLOBAL RESET & BASE
   ===================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

section {
  min-height: auto;
}

#about,
#treatments,
#appointment,
#contact {
  min-height: 100vh;
}

/* =====================================================
   FADE-IN ANIMATION
   ===================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar-brand span {
  font-size: 16px;
  font-weight: 600;
}

.nav-link {
  cursor: pointer;
}

.nav-link:hover {
  color: #d4f5e9 !important;
}

.nav-link.active {
  font-weight: bold;
  border-bottom: 2px solid white;
}

/* =====================================================
   HOME – HERO CAROUSEL
   ===================================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 400px;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

@media (max-width: 768px) {
  .hero {
    height: 60vh;
    min-height: 350px;
    margin-bottom: 0;
  }
}

.carousel {
  position: absolute;
  width: 100%;
  height: 100%;
}

.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
  z-index: 0;
}

.hero-img.active {
  opacity: 1;
  z-index: 2;
}

/* Arrows */
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  transition: background 0.3s;
}

.arrow.left  { left: 20px; }
.arrow.right { right: 20px; }

.arrow:hover { background: rgba(0, 0, 0, 0.7); }

@media (max-width: 768px) {
  .arrow {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }
}

/* Dots */
.dots {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 5;
}

.dots span {
  width: 26px;
  height: 6px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dots span.active {
  width: 38px;
  background: #fff;
}

@media (max-width: 768px) {
  .dots { bottom: 15px; }
}

/* Pause button */
.pause-btn {
  position: relative;
  color: white;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: all 0.3s ease;
}

.pause-btn:hover {
  background: rgba(0, 0, 0, 0.85);
  transform: scale(1.1);
}

/* =====================================================
   ABOUT
   ===================================================== */
.about-page {
  padding: 40px 20px;
  max-width: 1100px;
  margin: auto;
}

.about-header {
  text-align: center;
  margin-bottom: 40px;
}

.about-header h1 {
  color: #2c7a7b;
  font-size: 34px;
  margin-bottom: 10px;
}

.about-header p {
  color: #555;
  max-width: 700px;
  margin: auto;
}

.about-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 30px;
  align-items: center;
  margin-bottom: 50px;
}

.about-text h2 {
  color: #2c7a7b;
  margin-bottom: 10px;
}

.about-text p {
  margin-bottom: 10px;
  color: #444;
  line-height: 1.6;
}

.doctor-card {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}

.doctor-card h3 { margin-bottom: 8px; }

.doctor-card span {
  display: block;
  margin-top: 8px;
  font-weight: bold;
  color: #2c7a7b;
}

.why-section { text-align: center; }
.why-section h2 { margin-bottom: 20px; }

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: #e6fffa;
  padding: 20px;
  border-radius: 10px;
  transition: transform 0.3s;
}

.feature-card:hover { transform: translateY(-5px); }

.icon {
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .about-content { grid-template-columns: 1fr; }
  .features      { grid-template-columns: 1fr 1fr; }
}

/* =====================================================
   TREATMENTS
   ===================================================== */
.treatment-container {
  padding: 50px 20px;
  text-align: center;
  background: #f9fdfd;
}

.treatment-container h1 {
  color: #2c7a7b;
  margin-bottom: 10px;
  font-size: 32px;
}

.subtitle {
  color: #555;
  margin-bottom: 30px;
  font-size: 16px;
}

.treatment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.treatment-grid .card {
  background: #ffffff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.treatment-grid .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  border: 1px solid #2c7a7b;
}

.treatment-grid .card .icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.treatment-grid .card h3 {
  margin-bottom: 10px;
  color: #333;
  font-size: 18px;
}

.treatment-grid .card p {
  font-size: 14px;
  color: #666;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .treatment-container h1 { font-size: 24px; }
  .subtitle               { font-size: 14px; }
}

/* =====================================================
   APPOINTMENT
   ===================================================== */
.appointment-page {
  padding: 60px 20px;
  background: linear-gradient(135deg, #e6f7f5, #ffffff);
  min-height: 100vh;
}

.section-header { margin-bottom: 40px; }

.section-header h1 {
  color: #2c7a7b;
  font-size: 32px;
  font-weight: 700;
}

.section-header p { color: #666; }

.appointment-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 900px;
  margin: auto;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  overflow: visible;
  position: relative;
}

.info-panel {
  background: #2c7a7b;
  color: white;
  padding: 30px;
}

.info-panel ul { padding-left: 0; list-style: none; }
.info-panel ul li { margin-bottom: 8px; }

.form-panel {
  padding: 25px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: visible;
}

.form-panel h2 { margin-bottom: 15px; color: #2c7a7b; }

.form-panel input,
.form-panel select {
  margin-bottom: 4px;
  padding: 12px;
  border-radius: 8px;
  border: 2px solid #ddd;
  font-size: 16px;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}

.form-panel input:focus,
.form-panel select:focus {
  outline: none;
  border-color: #2c7a7b;
}

.form-panel select {
  background: white;
  cursor: pointer;
  position: relative;
  z-index: 10;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.form-panel input.invalid,
.form-panel select.invalid {
  border-color: #dc3545;
}

.form-panel input.valid,
.form-panel select.valid {
  border-color: #28a745;
}

.error {
  color: #dc3545;
  font-size: 12px;
  min-height: 16px;
  margin-bottom: 6px;
  display: block;
}

.submit-btn {
  margin-top: 15px;
  padding: 15px;
  border: none;
  background: #28a745;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.submit-btn:hover:not(:disabled) { background: #218838; }

.submit-btn:disabled {
  background: #6c757d;
  cursor: not-allowed;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .appointment-page { padding: 40px 15px; }

  .appointment-container {
    grid-template-columns: 1fr;
    margin: 0 10px;
  }

  .info-panel {
    text-align: center;
    padding: 25px 20px;
  }

  .form-panel { padding: 25px 20px; }

  .section-header h1 { font-size: 24px; }

  .form-panel input,
  .form-panel select {
    font-size: 16px;
    padding: 14px 12px;
  }

  .submit-btn { padding: 16px; }
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact-container {
  padding: 50px 40px;
  text-align: center;
}

.contact-container h1 {
  color: #2c7a7b;
  font-size: 36px;
  margin-bottom: 5px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 30px;
  align-items: start;
}

.map-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.map-section iframe {
  width: 90%;
  height: 320px;
  border-radius: 12px;
  border: none;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.direction-btn {
  display: inline-block;
  margin-top: 15px;
  background-color: #ff5722;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
}

.direction-btn:hover { background-color: #e64a19; }

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

.details-section .card {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.details-section .card h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.details-section .card:hover { transform: translateY(-5px); }

.details-section .card a { color: #007bff; text-decoration: none; }

@media (max-width: 768px) {
  .contact-layout        { grid-template-columns: 1fr; }
  .map-section iframe    { width: 100%; height: 250px; }
  .details-section       { grid-template-columns: 1fr; }
  .details-section .card { text-align: center; }
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer-bottom {
  text-align: center;
  padding: 12px;
  background: #1f5e5f;
  font-size: 14px;
}

.developer-link {
  color: #00c3ff;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}

.developer-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-link {
  color: white;
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
  margin-bottom: 6px;
  transition: all 0.3s ease;
}

.footer-link:hover {
  color: #ffd700;
  transform: translateX(3px);
}

.developer-link i {
  font-size: 16px;
  vertical-align: middle;
  transition: 0.3s;
}

.developer-link:hover i {
  color: #0a66c2;
  transform: scale(1.2);
}

footer p { line-height: 1.5; }

.clinic-text {
  font-size: 15px;
  line-height: 1.9;
}

@media (min-width: 768px) {
  .clinic-text {
    font-size: 16px;
    line-height: 2;
  }
}

@media (max-width: 768px) {
  .footer-bottom {
    font-size: 12px;
    padding: 10px;
  }

  .footer-link {
    display: block;
    margin-bottom: 8px;
  }

  .developer-link {
    display: inline-block;
    margin-top: 5px;
  }

  footer .row > div { text-align: center; }
  footer p          { justify-content: center !important; }
}

/* =====================================================
   FLOATING BOOK BUTTON
   ===================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 61px;
  right: 16px;
  background: #25d366;
  color: white;
  border: none;
  font-size: 16px;
  padding: 8px 12px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  z-index: 999;
  border-radius: 5px;
  transition: background 0.3s;
}

.whatsapp-float:hover { background: #1ebe5d; }