/* ============================================
   Dr. Harsha Hegde — Website Styles
   ============================================ */

:root {
  --color-primary: #e8601c;
  --color-primary-dark: #c94f14;
  --color-primary-light: #fef3ec;
  --color-accent: #00a79d;
  --color-text: #1a1a2e;
  --color-text-light: #555770;
  --color-bg: #ffffff;
  --color-bg-alt: #f9f9fb;
  --color-border: #e8e8ee;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1140px;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.1);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-dr {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: 8px;
  transition: all var(--transition);
}

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

.btn-appointment {
  background: var(--color-primary) !important;
  color: #fff !important;
  margin-left: 8px;
  border-radius: 8px;
}

.btn-appointment:hover {
  background: var(--color-primary-dark) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(12, 106, 135, 0.3);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-small {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* ---- Section Styles ---- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Hero ---- */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #fef3ec 0%, #e0f7f5 50%, #fef8f3 100%);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}

.hero-subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: 8px;
}

.hero-credentials {
  font-size: 1.1rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 4px;
}

.hero-role {
  font-size: 1.25rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-photo {
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

/* ---- About ---- */
.about {
  padding: 100px 0;
}

.about-grid {
  max-width: 800px;
  margin: 0 auto;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}

.credentials-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.credential {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.credential-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 10px;
}

.credential strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.credential p {
  font-size: 0.85rem !important;
  color: var(--color-text-light);
  margin-bottom: 0 !important;
}

/* ---- Services ---- */
.services {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 14px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---- Blog ---- */
.blog {
  padding: 100px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

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

.blog-image {
  overflow: hidden;
}

.blog-content {
  padding: 24px;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.blog-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin: 10px 0 12px;
  line-height: 1.4;
}

.blog-content p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

.blog-link:hover {
  color: var(--color-primary-dark);
}

/* ---- Video ---- */
.video-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.video-container {
  max-width: 800px;
  margin: 0 auto;
}

.video-placeholder {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-caption {
  text-align: center;
  margin-top: 20px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ---- FAQ ---- */
.faq {
  padding: 100px 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 22px 0;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  gap: 16px;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: 22px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---- Memberships ---- */
.memberships-container {
  max-width: 800px;
  margin: 0 auto;
}

.memberships-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.membership-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.membership-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.membership-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.membership-list li {
  font-size: 0.9rem;
  color: var(--color-text-light);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.membership-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

.languages-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.language-tag {
  display: inline-block;
  padding: 8px 18px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
}

/* ---- Contact ---- */
.contact {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-grid-single {
  grid-template-columns: 1fr;
  max-width: 480px;
}

.location-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: all var(--transition);
}

.location-card:hover {
  box-shadow: var(--shadow);
}

.location-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 20px;
}

.location-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.location-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.location-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.location-row svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.location-row p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-text);
  color: #c8d0da;
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 4px;
}

.footer-brand > p:first-of-type {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-social h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #c8d0da;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-icons a {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: #c8d0da;
  border-radius: 10px;
  transition: all var(--transition);
}

.social-icons a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8rem;
  color: #8a95a5;
}

.footer-bottom p + p {
  margin-top: 4px;
}

/* ---- WhatsApp Float ---- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  background: #1ebe5b;
  color: #fff;
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-image {
    max-width: 320px;
    margin: 0 auto;
  }

  .hero-title {
    font-size: 2.8rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform var(--transition);
    gap: 0;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
  }

  .btn-appointment {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
  }

  .hero {
    padding: 110px 0 60px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero-stats {
    gap: 24px;
  }

  .services-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

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

  .section-title {
    font-size: 1.9rem;
  }

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