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

:root {
  --color-midnight: #0A1F3F;
  --color-midnight-light: #132D54;
  --color-mint: #5EEAD4;
  --color-mint-dark: #3ECFB8;
  --color-mint-pale: #E0FAF5;
  --color-white: #FFFFFF;
  --color-off-white: #F8FAFB;
  --color-gray-50: #F1F5F9;
  --color-gray-100: #E2E8F0;
  --color-gray-200: #CBD5E1;
  --color-gray-300: #94A3B8;
  --color-gray-400: #64748B;
  --color-gray-500: #475569;
  --color-gray-600: #334155;
  --color-gray-700: #1E293B;
  --color-text: #1a2332;
  --color-text-light: #4a5568;
  --color-text-inverse: #f0f4f8;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --max-width: 1200px;
  --nav-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-midnight);
  color: var(--color-white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-size: 14px;
  font-weight: 400;
}
.skip-link:focus {
  top: 16px;
}

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

/* ─── NAVIGATION ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 0 var(--color-gray-100);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color var(--transition);
}

.nav.scrolled .nav-brand {
  color: var(--color-midnight);
}

.nav-brand-icon {
  color: var(--color-mint);
}

.nav-menu {
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-100);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow var(--transition);
}

.nav-menu.open {
  max-height: 320px;
  box-shadow: 0 8px 24px rgba(10, 31, 63, 0.08);
}

.nav-menu-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--color-gray-500);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--color-midnight);
  background: var(--color-gray-50);
}

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-midnight);
  background: var(--color-mint-pale);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background var(--transition), color var(--transition);
}

.nav.scrolled .nav-cta {
  color: var(--color-midnight);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
  transform-origin: center;
}

.nav.scrolled .nav-toggle-line {
  background: var(--color-midnight);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-mint);
  color: var(--color-midnight);
}
.btn-primary:hover {
  background: var(--color-mint-dark);
  box-shadow: 0 4px 16px rgba(94, 234, 212, 0.35);
}

.btn-primary-light {
  background: var(--color-mint);
  color: var(--color-midnight);
}
.btn-primary-light:hover {
  background: var(--color-mint-dark);
  box-shadow: 0 4px 16px rgba(94, 234, 212, 0.35);
}

.btn-ghost-light {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

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

/* ─── SECTION HEADERS ─── */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-mint-dark);
  margin-bottom: 16px;
}
.section-label.light {
  color: var(--color-mint);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-midnight);
  margin-bottom: 20px;
}
.section-title.light {
  color: var(--color-white);
}

.section-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-light);
  max-width: 560px;
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-midnight);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 31, 63, 0.88) 0%,
    rgba(10, 31, 63, 0.72) 50%,
    rgba(10, 31, 63, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 120px 24px 80px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.hero-tagline {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mint);
  margin-bottom: 28px;
  padding: 6px 14px;
  border: 1px solid rgba(94, 234, 212, 0.3);
  border-radius: 100px;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 28px;
}

.hero-accent {
  color: var(--color-mint);
  font-style: italic;
}

.hero-desc {
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: rgba(240, 244, 248, 0.75);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-trust-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-mint);
  opacity: 0.6;
}

.hero-trust span {
  font-size: 13px;
  color: rgba(240, 244, 248, 0.6);
  letter-spacing: 0.02em;
}

/* ─── SERVICES ─── */
.services {
  padding: 100px 0;
  background: var(--color-white);
}

.section-header {
  margin-bottom: 64px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--color-white);
  padding: 40px 32px;
  transition: background var(--transition);
}

.service-card:hover {
  background: var(--color-off-white);
}

.service-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-mint-pale);
  color: var(--color-midnight);
  margin-bottom: 24px;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-midnight);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-light);
}

/* ─── ABOUT ─── */
.about {
  padding: 100px 0;
  background: var(--color-off-white);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 560 / 700;
}

.about-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-content {
  max-width: 480px;
}

.about-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.about-credentials {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-gray-100);
}

.credential {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.credential-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-300);
}

.credential-value {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-midnight);
  letter-spacing: 0.02em;
}

/* ─── PATIENT INFO ─── */
.patient-info {
  padding: 100px 0;
  background: var(--color-white);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.info-block {
  padding: 36px;
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.info-block:hover {
  border-color: var(--color-mint);
  box-shadow: 0 4px 24px rgba(94, 234, 212, 0.1);
}

.info-block-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-mint-pale);
  color: var(--color-midnight);
  margin-bottom: 20px;
}

.info-block-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-midnight);
  margin-bottom: 12px;
}

.info-block-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-light);
}

.info-block-note {
  font-size: 13px;
  color: var(--color-gray-400);
  margin-top: 8px;
  font-style: italic;
}

/* ─── CTA BANNER ─── */
.cta-banner {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 31, 63, 0.92) 0%,
    rgba(19, 45, 84, 0.88) 100%
  );
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content .section-title {
  margin-bottom: 20px;
}

.cta-desc {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(240, 244, 248, 0.7);
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ─── CONTACT ─── */
.contact {
  padding: 100px 0;
  background: var(--color-off-white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  max-width: 480px;
}

.contact-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.contact-detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-mint-pale);
  color: var(--color-midnight);
  flex-shrink: 0;
}

.contact-detail-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-300);
  margin-bottom: 4px;
}

.contact-detail-value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-midnight);
  transition: color var(--transition);
}

.contact-detail-value:hover {
  color: var(--color-mint-dark);
}

.contact-detail a.contact-detail-value {
  text-decoration: none;
}

/* ─── FORM ─── */
.contact-form-wrap {
  max-width: 480px;
}

.contact-form {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
}

.contact-form-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-midnight);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--color-gray-600);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-off-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-mint);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.15);
  background: var(--color-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-300);
}

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

.form-privacy {
  font-size: 12px;
  color: var(--color-gray-300);
  margin-top: 16px;
  text-align: center;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-mint-pale);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-midnight);
  line-height: 1.6;
}

.form-success strong {
  font-weight: 500;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--color-midnight);
  padding: 56px 0 40px;
  color: var(--color-text-inverse);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.footer-brand-icon {
  color: var(--color-mint);
}

.footer-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 13px;
  color: rgba(240, 244, 248, 0.55);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
  transition: color var(--transition), background var(--transition);
}

.footer-nav a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 32px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 13px;
  color: rgba(240, 244, 248, 0.4);
}

.footer-address {
  font-size: 13px;
  color: rgba(240, 244, 248, 0.4);
}

.footer-address a {
  color: var(--color-mint);
  transition: color var(--transition);
}

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

/* ─── SCROLL REVEAL (progressive enhancement) ─── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .reveal.visible {
    opacity: 1;
    transform: none;
  }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-layout {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

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

  .nav-cta {
    margin-left: 0;
    justify-content: center;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--color-gray-100);
  }

  .hero-content {
    padding: 100px 24px 60px;
  }

  .hero-headline {
    font-size: clamp(32px, 8vw, 52px);
  }

  .services {
    padding: 72px 0;
  }

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

  .service-card {
    padding: 32px 28px;
  }

  .about {
    padding: 72px 0;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-wrap {
    aspect-ratio: 4 / 3;
  }

  .about-content {
    max-width: 100%;
  }

  .patient-info {
    padding: 72px 0;
  }

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

  .cta-banner {
    padding: 72px 0;
  }

  .contact {
    padding: 72px 0;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-form {
    padding: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 769px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    max-height: none;
    background: transparent;
    border: none;
    box-shadow: none;
    overflow: visible;
  }

  .nav-menu-inner {
    display: flex;
    align-items: center;
    padding: 0;
  }
}