/* ==========================================================================
   North Sydney Dental Specialists - Luxury Medical Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,600&family=Cinzel:wght@700;800&display=swap');

:root {
  /* Color Tokens */
  --primary-navy: #0A192F;
  --navy-deep: #060D1A;
  --navy-surface: #0F2444;
  --accent-blue: #0066CC;
  --accent-blue-hover: #0052A3;
  --accent-gold: #C5A059;
  --accent-gold-light: #F3E8C8;
  --accent-cyan: #0EA5E9;
  
  /* Neutral Tokens */
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --border-light: #CBD5E1;
  --border-focus: #0066CC;
  
  /* Text Tokens */
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-on-dark: #FFFFFF;
  --text-gold-on-dark: #E6C687;

  /* Elevation Shadows */
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 16px -4px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 102, 204, 0.25);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.section-padding {
  padding: 6rem 0;
}

/* Section Header Shared Component */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background-color: rgba(0, 102, 204, 0.08);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-tag-gold {
  background-color: rgba(197, 160, 89, 0.15);
  color: #926C24;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 680px;
}

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

.center-text .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Button Component System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 102, 204, 0.35);
}

.btn-gold {
  background: linear-gradient(135deg, #C5A059 0%, #D4AF37 100%);
  color: #0A192F;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(197, 160, 89, 0.3);
}

.btn-gold:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(197, 160, 89, 0.45);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary-navy);
  border-color: var(--border-light);
}

.btn-outline-dark:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(0, 102, 204, 0.04);
}

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.875rem;
}

/* Header & Top Bar */
.top-bar {
  background-color: #060D1A;
  color: #F1F5F9;
  font-size: 0.85rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.top-bar span {
  color: #F1F5F9;
  font-weight: 500;
}

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

.top-info-items {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

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

.top-info-item svg {
  color: var(--accent-gold);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.main-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 25, 47, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  padding: 0.25rem 0;
  background: rgba(6, 13, 26, 0.96);
  box-shadow: var(--shadow-lg);
}

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

/* Official Logo Typography Matching User Screenshot */
.official-logo-text {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  border-bottom: 2px solid #0066CC;
  padding-bottom: 3px;
  line-height: 1.1;
}

.official-logo-text .logo-top {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: #94A3B8;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.official-logo-text .logo-bottom {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--navy-deep);
  color: #ffffff;
}

.video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  filter: contrast(1.05) brightness(0.9);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg, 
    rgba(6, 13, 26, 0.94) 0%, 
    rgba(10, 25, 47, 0.8) 50%, 
    rgba(6, 13, 26, 0.6) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 6rem 0;
  max-width: 820px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.video-control-btn {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  z-index: 4;
  background: rgba(10, 25, 47, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.video-control-btn:hover {
  background: rgba(0, 102, 204, 0.8);
}

/* Services Section */
.services-section {
  background-color: var(--bg-main);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.service-card {
  background-color: var(--bg-card);
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-gold) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 204, 0.2);
}

.service-card:hover::before {
  opacity: 1;
}

.service-image-wrapper {
  position: relative;
  width: 100%;
  height: 140px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: rgba(0, 102, 204, 0.04);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.service-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.service-card:hover .service-image {
  transform: scale(1.08);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Tech & Media Showcase Section */
.tech-section {
  background-color: var(--primary-navy);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.tech-section .section-title {
  color: #ffffff;
}

.tech-wrapper {
  display: grid;
  gap: 4rem;
  align-items: center;
  margin-top: 3.5rem;
}

.tech-video-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.tech-video {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.gallery-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.gallery-card:hover {
  transform: translateY(-6px);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-card:hover img {
  transform: scale(1.08);
}

/* Dedicated Team Section */
.team-section {
  background-color: var(--bg-surface);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.team-card {
  background-color: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 204, 0.25);
}

.team-photo-wrapper {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
  background-color: #E2E8F0;
}

.team-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-slow);
}

.team-card:hover .team-photo {
  transform: scale(1.05);
}

.team-role-tag {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(10, 25, 47, 0.9);
  backdrop-filter: blur(8px);
  color: var(--accent-gold);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid rgba(197, 160, 89, 0.3);
}

.team-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.team-name {
  font-size: 1.35rem;
  color: var(--primary-navy);
  margin-bottom: 0.35rem;
}

.team-bio-preview {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.team-bio-btn {
  width: 100%;
  justify-content: center;
}

/* Patient Payment & Referral Section */
.split-section {
  background-color: var(--bg-main);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.info-box {
  background-color: var(--bg-card);
  border-radius: 20px;
  padding: 3rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.info-box.gold-theme {
  background: linear-gradient(145deg, #0A192F 0%, #0F2444 100%);
  color: #ffffff;
  border-color: rgba(197, 160, 89, 0.3);
}

.info-box.gold-theme h3 {
  color: #ffffff;
}

.info-box.gold-theme p {
  color: rgba(255, 255, 255, 0.8);
}

.info-box h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.info-box p {
  font-size: 1rem;
  line-height: 1.6;
}

/* Contact Section */
.contact-section {
  background-color: var(--bg-surface);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3.5rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-main);
  border-radius: 12px;
  border: 1px solid var(--border-light);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 102, 204, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.contact-detail-text p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}

.contact-form-container {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

/* Form Controls - High Contrast Outlines & Crisp Pure White Background */
.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  border: 1.5px solid #94A3B8;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: #FFFFFF;
  transition: all var(--transition-fast);
}

.form-control:hover {
  border-color: #64748B;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.18);
}

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

/* Gallery Logos Section */
.gallery-logos-section {
  background-color: #ffffff;
  position: relative;
}

.gallery-logos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: center;
}

.gallery-logo-card {
  height: 180px;
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
}

.gallery-logo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 102, 204, 0.2);
}

.gallery-logo-card img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.gallery-logo-card img.gallery-photo-fit {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

@media (max-width: 1024px) {
  .gallery-logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 13, 26, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-window {
  background: var(--bg-card);
  border-radius: 20px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-light);
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
  position: relative;
}

.modal-backdrop.active .modal-window {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 1.75rem 2rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.4rem;
  color: var(--primary-navy);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-main);
  color: var(--text-main);
}

.modal-body {
  padding: 2rem;
}

/* Footer */
.site-footer {
  background-color: var(--navy-deep);
  color: var(--text-light);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-heading {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .contact-wrapper, .split-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .top-info-items {
    display: none;
  }

  .nav-links, .nav-actions {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}