/* ===== Custom Properties ===== */
:root {
  --color-sky-blue: #0EA5E9;
  --color-navy: #0F172A;
  --color-dark-blue: #1E3A5F;
  --color-light-blue: #E0F2FE;
  --color-ice-blue: #F0F9FF;
  --color-white: #FFFFFF;
  --color-gray-100: #F1F5F9;
  --color-gray-300: #CBD5E1;
  --color-gray-600: #475569;
  --color-gray-800: #1E293B;
  --font-primary: 'Plus Jakarta Sans', sans-serif;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

.btn-primary:hover {
  background: #0284C7;
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: transparent;
}

.site-header.scrolled {
  background: var(--color-navy);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.logo img {
  width: 45px;
  height: auto;
}

#main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

#main-nav a {
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  word-spacing: 1px;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}

#main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-sky-blue);
  transition: var(--transition);
}

#main-nav a:hover::after,
#main-nav a.active::after {
  width: 100%;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-phone {
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

.header-phone a {
  color: var(--color-sky-blue);
}

.btn-appointment {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--color-sky-blue);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-appointment:hover {
  background: #0284C7;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

/* ===== Hamburger ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* ===== Mobile Menu Overlay ===== */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-navy);
  z-index: 1001;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  transition: opacity var(--transition);
}

.mobile-menu-overlay.open {
  display: flex;
  opacity: 1;
}

.mobile-menu-overlay nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-menu-overlay a {
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mobile-menu-overlay a:hover {
  color: var(--color-sky-blue);
}

.mobile-menu-overlay nav a.active {
  border-bottom: 2px solid var(--color-sky-blue);
  padding-bottom: 3px;
}

.mobile-menu-overlay nav a.logo.active {
  padding-bottom: 6px;
}

.mobile-nav-phone {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 1.2rem !important;
  color: var(--color-sky-blue) !important;
}

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-dark-blue) 50%, #0C4A6E 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 24px;
}

.hero h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.hero p {
  color: var(--color-gray-300);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Scroll Indicator ===== */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  animation: bounce 2s ease infinite;
}

.scroll-chevron {
  display: block;
  width: 16px;
  height: 16px;
  border-right: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: rotate(45deg);
  transition: border-color var(--transition);
}

.scroll-indicator:hover .scroll-chevron {
  border-color: var(--color-sky-blue);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== Subpage Hero ===== */
.subpage-hero {
  height: 40vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-dark-blue) 50%, #0C4A6E 100%);
  position: relative;
}

.subpage-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
}

.subpage-hero-compact {
  height: 20vh;
  min-height: 160px;
  padding-top: 60px;
}

.subpage-hero .hero-content {
  position: relative;
  z-index: 1;
}

.subpage-hero h1 {
  color: var(--color-white);
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.subpage-hero p {
  color: var(--color-gray-300);
  font-size: 1.15rem;
}

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

.section-alt {
  background: var(--color-ice-blue);
}

.section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.section-heading h2 {
  color: var(--color-navy);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-heading h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-sky-blue);
  border-radius: 2px;
}

.section-heading p {
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 16px auto 0;
  font-size: 1.1rem;
}

.section-intro {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--color-gray-600);
  font-size: 1.1rem;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h3 {
  color: var(--color-navy);
  margin-bottom: 16px;
}

.about-text p {
  color: var(--color-gray-600);
}

/* ===== Image Placeholder ===== */
.image-placeholder {
  background: var(--color-light-blue);
  border-radius: var(--radius);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sky-blue);
  font-weight: 600;
  font-size: 0.875rem;
}

.image-placeholder-portrait {
  aspect-ratio: 3 / 4;
}

.image-placeholder-square {
  aspect-ratio: 1 / 1;
}

/* ===== Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-light-blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-sky-blue);
  font-size: 1.25rem;
}

.card h3 {
  color: var(--color-navy);
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.card p {
  color: var(--color-gray-600);
  font-size: 0.95rem;
}

/* ===== Conditions Marquee ===== */
.marquee-section {
  padding: 60px 0;
  overflow: hidden;
  background: var(--color-ice-blue);
}

.marquee-track {
  display: flex;
  gap: 24px;
  animation: marquee 30s linear infinite;
  width: max-content;
  will-change: transform;
  backface-visibility: hidden;
}

.marquee-item {
  flex-shrink: 0;
  background: var(--color-white);
  padding: 16px 28px;
  border-radius: 50px;
  font-weight: 600;
  color: var(--color-navy);
  box-shadow: var(--shadow-card);
  white-space: nowrap;
  font-size: 0.95rem;
  contain: layout style paint;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: var(--color-navy);
  padding: 60px 0;
}

.stats-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 32px;
}

.stat-item {
  text-align: center;
  color: var(--color-white);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-sky-blue);
  display: block;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-gray-300);
  margin-top: 4px;
}

/* ===== Team Cards ===== */
.team-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.team-card .image-placeholder {
  border-radius: 0;
  aspect-ratio: 4 / 3;
}

.team-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.team-card-info {
  padding: 24px;
  text-align: center;
}

.team-card-info h3 {
  color: var(--color-navy);
  margin-bottom: 4px;
  font-size: 1.15rem;
}

.team-card-info .title {
  color: var(--color-sky-blue);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.team-card-info p {
  color: var(--color-gray-600);
  font-size: 0.9rem;
}

/* ===== Testimonials ===== */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px;
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--color-light-blue);
  position: absolute;
  top: 16px;
  left: 24px;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card p {
  color: var(--color-gray-600);
  font-style: italic;
  margin-bottom: 16px;
  padding-top: 24px;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-navy);
  font-style: normal;
}

/* ===== Location Cards ===== */
.location-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}

.location-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.location-card .image-placeholder {
  border-radius: 0;
  aspect-ratio: 16 / 9;
}

.location-card-info {
  padding: 24px;
}

.location-card-info h3 {
  color: var(--color-navy);
  margin-bottom: 12px;
}

.location-card-info p {
  color: var(--color-gray-600);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.location-card-info .label {
  font-weight: 600;
  color: var(--color-navy);
}

/* ===== FAQ Accordion ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

details.faq-item {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
  overflow: hidden;
}

details.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-sky-blue);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
  transform-origin: 50% 60%;
}

details.faq-item[open] summary::after {
  transform: rotate(45deg);
}

details.faq-item .faq-answer {
  padding: 0 24px 20px;
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ===== Referral Layout ===== */
.referral-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: start;
}

.referral-info h3 {
  color: var(--color-navy);
  margin-bottom: 16px;
}

.referral-info p {
  color: var(--color-gray-600);
  margin-bottom: 12px;
}

.referral-info ol {
  list-style: decimal;
  padding-left: 24px;
  margin-bottom: 24px;
}

.referral-info ol li {
  color: var(--color-gray-600);
  margin-bottom: 8px;
  padding-left: 8px;
}

.contact-card {
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-card h3 {
  color: var(--color-white);
  margin-bottom: 20px;
}

.contact-card p {
  color: var(--color-gray-300);
  margin-bottom: 8px;
}

.contact-card a {
  color: var(--color-sky-blue);
}

/* ===== Conditions Page ===== */
.condition-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px;
  transition: var(--transition);
}

.condition-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.condition-card .checkmark {
  color: var(--color-sky-blue);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.condition-card h3 {
  color: var(--color-navy);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.condition-card p {
  color: var(--color-gray-600);
  font-size: 0.9rem;
}

/* ===== Section Link ===== */
.section-link {
  text-align: center;
  margin-top: 36px;
}

.section-link a {
  color: var(--color-sky-blue);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}

.section-link a:hover {
  color: var(--color-dark-blue);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-navy);
  padding: 60px 0 24px;
  color: var(--color-gray-300);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.footer-col p,
.footer-col > a {
  color: var(--color-gray-300);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 8px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-sky-blue);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

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

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

/* ===== Responsive: Tablet ===== */
/* ===== Header Compact (JS-driven) ===== */
.header-compact #main-nav {
  display: none;
}

.header-compact .hamburger {
  display: flex;
}

/* ===== Responsive: Tablet (≤1024px) ===== */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .hero h1 { font-size: 2.75rem; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Responsive: Mobile (≤768px) ===== */
@media (max-width: 768px) {
  #main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero { height: 100vh; height: 100dvh; }
  .hero h1 { font-size: 2.25rem; }
  .hero p { font-size: 1.05rem; }

  .subpage-hero {
    height: auto;
    min-height: 250px;
    padding-top: 100px;
    padding-bottom: 40px;
  }

  .subpage-hero h1 { font-size: 2rem; }

  .section { padding: 60px 0; }

  .logo-text {
    display: none;
  }

  .header-phone {
    display: none;
  }

  .btn-appointment {
    padding: 8px 18px;
    font-size: 0.7rem;
  }

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

  .stats-grid {
    flex-direction: column;
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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