:root {
  --blue-950: #073a58;
  --blue-900: #0b4f71;
  --blue-800: #0d5f86;
  --teal-600: #159bb8;
  --teal-500: #1fa6b5;
  --teal-100: #dff7fa;
  --ink: #163242;
  --muted: #58707d;
  --line: #dce7eb;
  --soft: #f3f9fb;
  --white: #ffffff;
  --shadow: 0 18px 60px rgba(7, 58, 88, .12);
  --radius: 22px;
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Open Sans", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: var(--container); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 999; background: #fff; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { left: 8px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(220,231,235,.75);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 218px; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 27px; font-family: Montserrat, sans-serif; font-weight: 600; font-size: .92rem; }
.primary-nav > a:not(.button) { text-decoration: none; color: #2d5366; }
.primary-nav > a:not(.button):hover { color: var(--teal-600); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 2px; margin: 5px auto; background: var(--blue-900); transition: .2s; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid var(--teal-600);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-900), var(--teal-600));
  color: #fff;
  font-family: Montserrat, sans-serif;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(21,155,184,.20);
  transition: transform .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 13px 30px rgba(21,155,184,.28); }
.button-small { min-height: 42px; padding-inline: 18px; font-size: .86rem; }
.button-secondary { background: rgba(255,255,255,.86); color: var(--blue-900); border-color: rgba(11,79,113,.18); box-shadow: none; }
.button-white { background: #fff; color: var(--blue-900); border-color: #fff; }

.hero { position: relative; min-height: 680px; overflow: hidden; background: linear-gradient(90deg, #fff 0%, #fff 45%, #eefbfc 100%); }
.hero-image { position: absolute; inset: 0 0 0 35%; background-image: linear-gradient(90deg, #fff 0%, rgba(255,255,255,.8) 12%, rgba(255,255,255,0) 45%), url("assets/hero-lungs.webp"); background-size: cover; background-position: center right; opacity: .98; }
.hero-grid { position: relative; min-height: 680px; display: grid; grid-template-columns: minmax(0, 640px) 1fr; align-items: center; }
.hero-copy { padding: 80px 0 86px; }
.eyebrow { margin: 0 0 15px; color: var(--teal-600); font-family: Montserrat, sans-serif; font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow-light { color: #8ae6ef; }
h1, h2, h3 { margin-top: 0; font-family: Montserrat, sans-serif; line-height: 1.12; color: var(--blue-950); }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(2.75rem, 5.2vw, 5.25rem); letter-spacing: -.05em; }
h1 span { color: var(--teal-600); }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 3.6vw, 3.45rem); letter-spacing: -.035em; }
h3 { font-size: 1.22rem; }
.hero-lede { max-width: 640px; margin: 0 0 30px; color: #405d6c; font-size: 1.18rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { margin: 24px 0 0; color: #607783; font-size: .91rem; }
.hero-note a { color: var(--blue-900); font-weight: 700; text-decoration: none; }

.trust-strip { position: relative; margin-top: -1px; background: var(--blue-900); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { padding: 28px 34px; border-right: 1px solid rgba(255,255,255,.18); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-family: Montserrat, sans-serif; font-size: 1rem; }
.trust-item span { color: #c9e5ed; font-size: .88rem; }

.section { padding: 104px 0; scroll-margin-top: 92px; }
.section-soft { background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading.compact { margin-bottom: 42px; }
.section-heading > p:last-child, .lead { color: var(--muted); font-size: 1.08rem; }
.card-grid { display: grid; gap: 20px; }
.services-grid { grid-template-columns: repeat(3, 1fr); }
.service-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 30px rgba(7,58,88,.055); }
.service-card .icon { width: 54px; height: 54px; margin-bottom: 22px; display: grid; place-items: center; border-radius: 16px; background: var(--teal-100); }
.service-card svg { width: 29px; height: 29px; fill: none; stroke: var(--blue-900); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin-bottom: 12px; }
.service-card p { margin: 0; color: var(--muted); font-size: .95rem; }
.clinical-disclaimer { margin: 28px 0 0; color: #71858f; font-size: .85rem; }

.split-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: center; }
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 30px; margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: #365567; font-weight: 600; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: #d8f5f8; color: var(--teal-600); font-size: .76rem; font-weight: 800; }
.referral-panel { padding: 42px; border-radius: 28px; background: linear-gradient(145deg, #fff, #e6f7f9); border: 1px solid #d5eaee; box-shadow: var(--shadow); }
.referral-panel p:not(.eyebrow) { color: var(--muted); }
.text-link { color: var(--blue-900); font-family: Montserrat, sans-serif; font-weight: 700; text-decoration: none; }
.text-link span { color: var(--teal-600); }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.process-grid li { min-height: 275px; padding: 26px; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
.process-grid li > span { display: inline-flex; margin-bottom: 52px; color: var(--teal-600); font-family: Montserrat, sans-serif; font-weight: 800; letter-spacing: .06em; }
.process-grid h3 { margin-bottom: 11px; }
.process-grid p { margin: 0; color: var(--muted); font-size: .93rem; }

.coverage { background: linear-gradient(135deg, var(--blue-950), var(--blue-800)); color: #fff; }
.coverage-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; }
.coverage h2 { color: #fff; }
.coverage p { color: #d3e6ed; }
.coverage-card { padding: 36px; border-radius: 24px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(12px); }
.coverage-card h3 { color: #fff; }
.coverage-card ul { margin: 20px 0 24px; padding-left: 20px; }
.coverage-card li { margin-bottom: 10px; color: #e4f3f6; }
.coverage-card .small { margin: 0; font-size: .79rem; color: #bcd6de; }

.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 70px; align-items: center; }
.about-mark { min-height: 260px; display: grid; place-items: center; padding: 20px; border-radius: 48px; background: radial-gradient(circle at 40% 30%, #fff, #e5f9fb); border: 1px solid #d8edf1; }
.about-mark img { width: 170px; max-width: 100%; height: auto; display: block; object-fit: contain; }
.about-grid p:not(.eyebrow) { color: var(--muted); font-size: 1.04rem; }

.contact-section { background: #eff8fa; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
.contact-methods { display: grid; gap: 12px; margin-top: 30px; }
.contact-methods a { padding: 17px 20px; border: 1px solid #d5e7eb; border-radius: 16px; background: #fff; text-decoration: none; }
.contact-methods span { display: block; color: #71858f; font-size: .77rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.contact-methods strong { color: var(--blue-900); font-size: 1rem; }
.inquiry-form { padding: 34px; border-radius: 26px; background: #fff; box-shadow: var(--shadow); }
.inquiry-form h3 { margin-bottom: 24px; font-size: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inquiry-form label { display: block; margin-bottom: 16px; color: #365567; font-size: .87rem; font-weight: 700; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; margin-top: 7px; padding: 13px 14px; border: 1px solid #cbdce1; border-radius: 11px; color: var(--ink); background: #fbfdfe; outline: none; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--teal-600); box-shadow: 0 0 0 3px rgba(21,155,184,.12); }
.inquiry-form textarea { resize: vertical; }
.consent { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 600 !important; }
.consent input { width: auto; margin-top: 4px; }
.form-note { margin: 14px 0 0; color: #71858f; font-size: .78rem; }

.site-footer { padding: 58px 0 24px; background: #062f48; color: #d8e9ef; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr 1fr; gap: 50px; }
.footer-brand img { width: 225px; height: auto; filter: brightness(0) invert(1); opacity: .96; }
.footer-brand p { margin: 10px 0 0; }
.site-footer strong { color: #fff; font-family: Montserrat, sans-serif; }
.site-footer p { font-size: .9rem; }
.site-footer a { color: #d8e9ef; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); color: #a9c5cf; }
.footer-bottom p { margin: 0; font-size: .76rem; }

@media (max-width: 1020px) {
  .primary-nav { position: fixed; inset: 88px 0 auto 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px 20px 28px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 15px 30px rgba(7,58,88,.12); }
  .primary-nav.open { display: flex; }
  .primary-nav > a { padding: 13px 8px; }
  .primary-nav .button { margin-top: 8px; }
  .menu-toggle { display: block; }
  .hero-image { left: 20%; opacity: .58; }
  .hero-grid { grid-template-columns: minmax(0, 650px) 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 760px) {
  :root { --container: min(100% - 28px, 1180px); }
  .header-inner { min-height: 76px; }
  .brand img { width: 178px; }
  .primary-nav { inset-block-start: 76px; }
  .hero, .hero-grid { min-height: 690px; }
  .hero-image { left: 0; opacity: .40; background-position: 64% center; }
  .hero-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.82) 70%, rgba(255,255,255,.35) 100%); }
  .hero-copy { padding: 74px 0; }
  h1 { font-size: clamp(2.55rem, 12vw, 4rem); }
  .hero-lede { font-size: 1.03rem; }
  .hero-actions { align-items: stretch; flex-direction: column; max-width: 320px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); padding: 21px 8px; }
  .section { padding: 78px 0; }
  .services-grid, .split-grid, .check-list, .process-grid, .about-grid, .footer-grid { grid-template-columns: 1fr; }
  .split-grid, .about-grid { gap: 42px; }
  .service-card { padding: 26px; }
  .process-grid li { min-height: auto; }
  .process-grid li > span { margin-bottom: 28px; }
  .about-mark { min-height: 220px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .inquiry-form { padding: 24px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}