/* ==========================================================================
   Olive Specialty Dentistry - Main Design System & Styling
   Color Palette: Deep Teal (#0B4F57), Mint (#06D6A0), Warm Gold (#D4AF37), 
                  Dark Slate (#0E1726), Soft Ice (#F4F7F9)
   ========================================================================== */

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

:root {
  --primary: #0B4F57;
  --primary-light: #166A74;
  --primary-dark: #06353B;
  --accent: #D4AF37;
  --accent-light: #F3E5AB;
  --mint: #06D6A0;
  --mint-soft: #E6FAF4;
  --dark: #0E1726;
  --gray-800: #1E293B;
  --gray-600: #475569;
  --gray-400: #94A3B8;
  --gray-200: #E2E8F0;
  --gray-100: #F8FAFC;
  --white: #FFFFFF;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(11, 79, 87, 0.05);
  --shadow-md: 0 8px 24px rgba(11, 79, 87, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 79, 87, 0.12);
  --shadow-hover: 0 20px 48px rgba(11, 79, 87, 0.18);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background-color: var(--gray-100);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  font-weight: 700;
  line-height: 1.25;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3.5rem 0;
  }
}

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

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--mint-soft);
  color: var(--primary-dark);
  border: 1px solid rgba(6, 214, 160, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 650px;
  margin: 0 auto 3rem auto;
}

@media (max-width: 768px) {
  .section-title { font-size: 2rem; }
  .section-subtitle { font-size: 1rem; margin-bottom: 2rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(11, 79, 87, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(11, 79, 87, 0.4);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #B89327 100%);
  color: var(--dark);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(212, 175, 55, 0.4);
}

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

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

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #1EBE57;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.4);
}

/* Header & Top Bar */
.top-bar {
  background: var(--dark);
  color: var(--gray-400);
  font-size: 0.875rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-info {
  display: flex;
  gap: 1.5rem;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.top-info-item i { color: var(--mint); }

.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.3rem 0;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 52px;
  width: auto;
  border-radius: var(--radius-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.logo-subtitle {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  color: var(--gray-800);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
}

@media (max-width: 992px) {
  .top-bar { display: none; }
  .mobile-menu-btn { display: block; }
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.active {
    left: 0;
  }
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(11, 79, 87, 0.95) 0%, rgba(6, 53, 59, 0.9) 100%), url('assets/hero.jpg');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 6rem 0 8rem 0;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to top, var(--gray-100), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero-title span {
  color: var(--accent-light);
  background: linear-gradient(120deg, #F3E5AB 0%, #D4AF37 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 992px) {
  .hero-actions {
    justify-content: center;
  }
}

.hero-card-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255, 255, 255, 0.2);
}

.hero-card-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.hero-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-md);
}

.rating-stars {
  color: #F59E0B;
  font-size: 0.9rem;
}

/* Quick Stats Bar */
.stats-bar {
  margin-top: -3rem;
  position: relative;
  z-index: 10;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1.5rem;
  }
}

.stat-item {
  text-align: center;
  padding: 0.5rem;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 600;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(11, 79, 87, 0.3);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  background: var(--mint-soft);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.service-card:hover .service-icon-box {
  background: var(--primary);
  color: var(--white);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-800);
  margin-bottom: 0.4rem;
}

.service-features li i {
  color: var(--mint);
}

.service-btn {
  align-self: flex-start;
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Before & After Interactive Slider */
.before-after-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.ba-slider-wrapper {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
  border-radius: var(--radius-md);
  user-select: none;
}

@media (max-width: 768px) {
  .ba-slider-wrapper {
    height: 320px;
  }
}

.ba-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  border-right: 3px solid var(--white);
  box-shadow: 4px 0 15px rgba(0,0,0,0.2);
}

.ba-overlay img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--white);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  cursor: ew-resize;
  z-index: 10;
  font-size: 1.2rem;
}

.ba-label {
  position: absolute;
  top: 1rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 0, 0, 0.65);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  backdrop-filter: blur(4px);
}

.ba-label-before { left: 1rem; }
.ba-label-after { right: 1rem; }

/* Doctor Team Profiles */
.doctors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

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

.doctor-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 200px 1fr;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

@media (max-width: 576px) {
  .doctor-card {
    grid-template-columns: 1fr;
  }
}

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

.doctor-img-wrap {
  width: 100%;
  height: 100%;
  min-height: 240px;
}

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

.doctor-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.doctor-name {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.doctor-degree {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.doctor-spec {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.doctor-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.doc-tag {
  font-size: 0.75rem;
  background: var(--gray-100);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  font-weight: 600;
}

/* Estimator Calculator Card */
.estimator-card {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 992px) {
  .estimator-grid { grid-template-columns: 1fr; }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.form-select, .form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
}

.form-select option {
  background: var(--dark);
  color: var(--white);
}

.estimator-result {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.estimate-price {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--accent-light);
  font-family: var(--font-heading);
  margin: 0.5rem 0;
}

/* Reviews & Testimonials Carousel */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--white);
  padding: 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.review-stars {
  color: #F59E0B;
  margin-bottom: 0.75rem;
}

.review-text {
  color: var(--gray-600);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.author-loc {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* FAQs Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--gray-600);
  display: none;
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-icon {
  transition: var(--transition);
}

/* Location & Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: stretch;
}

@media (max-width: 992px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info-card {
  background: var(--primary-dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-text h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.contact-text p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 380px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
}

/* Appointment Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(14, 23, 38, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--gray-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
}

/* Floating Action Button */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
}