/* =========================================================
   Dr. Govind Karunakaran — Orthopaedic Surgeon
   Design tokens
   Palette  : deep clinical navy-teal + surgical teal + warm gold
   Type     : Fraunces (display) / Public Sans (body) / IBM Plex Mono (labels)
   Signature: goniometer arc motif (range-of-motion tool) as a divider
   ========================================================= */

:root {
  /* Colors */
  --color-primary: #0e3a53;
  --color-primary-dark: #082738;
  --color-primary-rgb: 14, 58, 83;
  --color-accent: #1f8a70;
  --color-accent-rgb: 31, 138, 112;
  --color-gold: #c9963c;
  --color-gold-dark: #a97c2c;
  --color-bg: #f7faf9;
  --color-bg-alt: #eef4f3;
  --color-text: #1b2b33;
  --color-text-muted: #5a6e76;
  --color-white: #ffffff;
  --color-border: #dde6e5;

  /* Type */
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Public Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  /* Spacing / radius */
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;
  --section-gap: clamp(56px, 8vw, 110px);
}

/* =========================================================
   Base / Accessibility
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
}

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

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

/* Visible keyboard focus everywhere — WCAG 2.1 AA */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.owl-carousel button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 10000;
  border-radius: 0 0 8px 0;
  font-family: var(--font-mono);
  font-size: 14px;
}
.skip-link:focus {
  left: 0;
}

.visually-hidden-focusable:not(:focus):not(:focus-within) {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.container-xl-custom {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

section {
  padding: var(--section-gap) 0;
}

/* =========================================================
   Eyebrow / Section heading + Goniometer signature motif
   ========================================================= */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--color-gold);
  display: inline-block;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

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

.section-heading .title {
  font-size: clamp(28px, 3.4vw, 40px);
}

/* Goniometer arc — decorative SVG divider used under headings & around stats.
   Represents the angle-measuring tool used in range-of-motion assessment. */
.goniometer-divider {
  width: 84px;
  height: 42px;
  margin-top: 18px;
  display: block;
}
.section-heading.text-center .goniometer-divider {
  margin-left: auto;
  margin-right: auto;
}
.goniometer-divider path {
  fill: none;
  stroke: var(--color-gold);
  stroke-width: 2;
}
.goniometer-divider circle {
  fill: var(--color-gold);
}
.goniometer-divider line {
  stroke: var(--color-accent);
  stroke-width: 2;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn-primary-custom,
.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 999px;
  transition: all 0.25s ease;
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn-primary-custom {
  background: var(--color-gold);
  color: var(--color-primary-dark);
}
.btn-primary-custom:hover,
.btn-primary-custom:focus-visible {
  background: var(--color-gold-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-custom {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}
.btn-outline-custom:hover,
.btn-outline-custom:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn-outline-dark-custom {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 999px;
  padding: 14px 28px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-outline-dark-custom:hover,
.btn-outline-dark-custom:focus-visible {
  background: var(--color-primary);
  color: #fff;
}

/* =========================================================
   Header
   ========================================================= */
.topbar {
  background: var(--color-primary-dark);
  color: #cfe0e4;
  font-size: 13.5px;
  font-family: var(--font-mono);
}
.topbar .container-xl-custom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar a {
  color: #e7f0f1;
}
.topbar a:hover, .topbar a:focus-visible { color: var(--color-gold); }
.topbar ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.topbar .social-icons { display: flex; gap: 12px; }
.topbar .social-icons a {
  width: 26px; height: 26px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
}

.site-header {
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 1px 0 var(--color-border);
}
.site-header .navbar {
  padding: 14px 0;
}
.site-header .navbar-brand {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.2;
}
.site-header .navbar-brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 500;
  text-transform: uppercase;
}
.site-header .nav-link {
  font-weight: 600;
  color: var(--color-text);
  padding: 8px 16px !important;
}
.site-header .nav-link:hover,
.site-header .nav-link.active,
.site-header .nav-link:focus-visible {
  color: var(--color-accent);
}
.header-cta {
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 999px;
  padding: 10px 22px !important;
  font-weight: 700 !important;
}
.header-cta:hover, .header-cta:focus-visible { background: var(--color-accent); }

/* =========================================================
   Hero / Owl Carousel banner — left image, right content
   ========================================================= */
.hero-banner {
  background: var(--color-bg-alt);
  overflow: hidden;
}
.hero-slide {
  display: flex;
  align-items: center;
}
.hero-slide .row {
  align-items: center;
}
.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 4.2;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
}
.hero-badge {
  position: absolute;
  bottom: 18px;
  left: 18px;
  background: rgba(14, 58, 83, 0.92);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  backdrop-filter: blur(4px);
}
.hero-content {
  padding: 40px 10px 40px 46px;
}
.hero-content .eyebrow { color: var(--color-gold); }
.hero-content h1,
.hero-content .hero-title {
  font-size: clamp(30px, 4vw, 46px);
  color: var(--color-primary-dark);
  margin-bottom: 14px;
}
.hero-content p.lead {
  color: var(--color-text-muted);
  font-size: 17px;
  max-width: 480px;
  margin-bottom: 26px;
}
.hero-credentials {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary);
}
.hero-credentials li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.hero-credentials li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 8px; height: 8px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-banner .owl-nav button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: #fff !important;
  color: var(--color-primary) !important;
  box-shadow: 0 6px 18px rgba(14,58,83,0.18);
  font-size: 18px !important;
  display: flex; align-items: center; justify-content: center;
}
.hero-banner .owl-nav .owl-prev { left: 10px; }
.hero-banner .owl-nav .owl-next { right: 10px; }
.hero-banner .owl-dots {
  text-align: center;
  margin-top: 22px;
}
.hero-banner .owl-dot span {
  width: 9px; height: 9px;
  margin: 4px; background: var(--color-border);
  display: block; border-radius: 50%;
}
.hero-banner .owl-dot.active span { background: var(--color-gold); width: 26px; border-radius: 6px; }

/* =========================================================
   About
   ========================================================= */
.about-portrait {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-portrait img { width: 100%; }
.about-stats {
  position: absolute;
  bottom: -1px;
  left: -1px;
  right: -1px;
  background: rgba(8, 39, 56, 0.88);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex;
  justify-content: space-around;
  padding: 18px 10px;
}
.about-stats .stat { text-align: center; }
.about-stats .stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--color-gold);
}
.about-stats .stat span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: #d5e4e6;
}
.about-text p { color: var(--color-text-muted); margin-bottom: 16px; }
.about-text strong { color: var(--color-primary); }

/* =========================================================
   Services / Feature icon boxes
   ========================================================= */
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color .25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(14,58,83,0.1);
  border-color: transparent;
}
.service-icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon img { width: 30px; height: 30px; object-fit: contain; }
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { color: var(--color-text-muted); font-size: 15px; margin: 0; }

/* Treatments */
.treatment-panel {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 34px;
  height: 100%;
}
.treatment-panel h3 {
  font-size: 21px;
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.treatment-panel h3::before {
  content: "";
  width: 34px; height: 2px;
  background: var(--color-gold);
  display: inline-block;
}
.treatment-panel ul {
  list-style: none;
  padding: 0; margin: 0;
  columns: 1;
}
.treatment-panel li {
  padding: 10px 0 10px 26px;
  position: relative;
  border-bottom: 1px dashed var(--color-border);
  font-size: 15px;
  color: var(--color-text);
}
.treatment-panel li:last-child { border-bottom: none; }
.treatment-panel li::before {
  content: "\2713";
  position: absolute;
  left: 0; top: 9px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 13px;
}

/* =========================================================
   Gallery (Fancybox)
   ========================================================= */
.gallery-grid { --bs-gutter-x: 14px; --bs-gutter-y: 14px; }
.gallery-item {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1/1;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,58,83,0) 45%, rgba(8,39,56,0.85) 100%);
  display: flex; align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .gallery-overlay,
.gallery-item:focus-within .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}
.gallery-overlay .zoom-icon {
  position: absolute;
  top: 14px; right: 14px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}

/* =========================================================
   Credentials / Certifications
   ========================================================= */
.credential-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  height: 100%;
}
.credential-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.credential-card h4 { font-size: 16.5px; margin-bottom: 4px; }
.credential-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13.5px;
}
.credential-card .cred-date {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

/* =========================================================
   Publications
   ========================================================= */
.publication-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 24px 26px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.publication-card .pub-journal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  text-transform: uppercase;
}
.publication-card h3 {
  font-size: 17px;
  line-height: 1.4;
}
.publication-card .pub-date {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: auto;
}
.publication-card .pub-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 6px;
}
.publication-card .pub-link:hover,
.publication-card .pub-link:focus-visible { color: var(--color-gold-dark); }
.publication-card .pub-link.disabled {
  color: var(--color-text-muted);
  cursor: default;
  pointer-events: none;
}

/* =========================================================
   Testimonials (Owl Carousel)
   ========================================================= */
.testimonial-section {
  background: var(--color-primary);
  position: relative;
  color: #fff;
}
.testimonial-section .section-heading .title { color: #fff; }
.testimonial-section .eyebrow { color: var(--color-gold); }
.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 32px;
  margin: 6px 10px 30px;
}
.testimonial-quote-icon {
  font-family: var(--font-display);
  font-size: 46px;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 10px;
  display: block;
}
.testimonial-card p.quote {
  color: #dfe9eb;
  font-size: 15.5px;
  margin-bottom: 22px;
  min-height: 96px;
}
.testimonial-person { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
}
.testimonial-person strong { display: block; font-size: 14.5px; }
.testimonial-person span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
}
.testimonial-section .owl-dots { text-align: center; margin-top: 6px; }
.testimonial-section .owl-dot span {
  width: 9px; height: 9px; margin: 4px;
  background: rgba(255,255,255,0.3); display: block; border-radius: 50%;
}
.testimonial-section .owl-dot.active span { background: var(--color-gold); width: 26px; border-radius: 6px; }
.testimonial-note {
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  text-align: center;
  margin-top: 10px;
  font-family: var(--font-mono);
}

/* =========================================================
   FAQ (accordion)
   ========================================================= */
.faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm) !important;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-accordion .accordion-button {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16.5px;
  color: var(--color-primary);
  padding: 20px 24px;
  background: #fff;
}
.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--color-accent);
  box-shadow: none;
  background: var(--color-bg-alt);
}
.faq-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 3px solid var(--color-gold);
  outline-offset: -2px;
}
.faq-accordion .accordion-button::after {
  filter: hue-rotate(120deg);
}
.faq-accordion .accordion-body {
  padding: 4px 24px 22px;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* =========================================================
   Clinics / Locations
   ========================================================= */
.clinic-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
}
.clinic-card .clinic-img { aspect-ratio: 16/10; overflow: hidden; }
.clinic-card .clinic-img img { width: 100%; height: 100%; object-fit: cover; }
.clinic-card .clinic-body { padding: 22px; }
.clinic-card h4 { font-size: 18px; margin-bottom: 10px; }
.clinic-timing-badge {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.clinic-card ul {
  list-style: none; padding: 0; margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}
.clinic-card ul li {
  display: flex; gap: 10px; margin-bottom: 10px;
}
.clinic-card ul li i { color: var(--color-accent); margin-top: 3px; }
.clinic-card ul li a { color: var(--color-text-muted); }
.clinic-card ul li a:hover { color: var(--color-accent); }
.map-embed-wrap { border-radius: var(--radius-md); overflow: hidden; height: 100%; min-height: 320px; }
.map-embed-wrap iframe { width: 100%; height: 100%; min-height: 320px; border: 0; }

/* =========================================================
   CTA strip
   ========================================================= */
.cta-strip {
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-strip h3 { color: #fff; font-size: 26px; margin-bottom: 8px; }
.cta-strip p { color: #cfe0e4; margin: 0; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-primary-dark);
  color: #cfe0e4;
  padding-top: var(--section-gap);
}
.site-footer h5.widget-title {
  color: #fff;
  font-size: 17px;
  margin-bottom: 18px;
}
.site-footer .footer-brand {
  font-family: var(--font-display);
  color: #fff;
  font-size: 22px;
  margin-bottom: 12px;
}
.site-footer p, .site-footer li, .site-footer a { color: #b9cdd1; font-size: 14.5px; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--color-gold); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 10px; display: flex; gap: 10px; }
.site-footer ul li i { color: var(--color-gold); margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px;
  padding: 22px 0;
  text-align: center;
  font-size: 13.5px;
  color: #91abb0;
}
.footer-bottom strong { color: #fff; }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 46px; height: 46px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 999;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover, .back-to-top:focus-visible { background: var(--color-accent); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 991.98px) {
  .hero-content { padding: 30px 6px; }
  .hero-slide .row { flex-direction: column-reverse; }
  .hero-img-wrap { aspect-ratio: 16/10; margin-bottom: 10px; }
  .cta-strip { padding: 32px; text-align: center; justify-content: center; }
  .about-stats { position: static; margin-top: -1px; }
}

@media (max-width: 575.98px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions a { justify-content: center; }
  .topbar ul { gap: 10px; }
}