/* =========================================================
   Alliance Radiology — shared styles
   Design concept: clinical scan-viewport — hairline rules,
   corner-bracket frames, tick-mark data points. Navy + blue
   from the brand mark, warm off-white ground, one serif for
   authority, one technical sans for clarity.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --navy: #0a2540;
  --navy-deep: #071b30;
  --blue: #1c6fd6;
  --blue-deep: #0f4fa8;
  --cyan: #52c3e8;
  --paper: #f6f8fb;
  --paper-raised: #ffffff;
  --ink: #17263a;
  --ink-soft: #4b5b70;
  --line: #dbe3ee;
  --line-strong: #b9c6d8;
  --ok-shadow: 0 1px 0 rgba(10, 37, 64, 0.04);

  --serif: 'Spectral', Georgia, 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max: 1180px;
  --pad: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

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

a { color: var(--blue-deep); text-decoration-color: rgba(28,111,214,0.35); }
a:hover { text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--navy);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; max-width: 62ch; }
p.wide { max-width: none; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 248, 251, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand img { height: 42px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--blue);
  transition: right 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  right: 0;
}

.main-nav a[aria-current="page"] { color: var(--blue-deep); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.phone-link {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  text-decoration: none;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--sans);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-deep);
  color: #fff;
  box-shadow: 0 1px 2px rgba(15,79,168,0.25);
}
.btn-primary:hover { background: var(--navy); }

.btn-outline {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--navy);
}
.btn-outline:hover { border-color: var(--blue-deep); color: var(--blue-deep); }

.btn-on-dark {
  background: var(--cyan);
  color: var(--navy-deep);
}
.btn-on-dark:hover { background: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  width: 42px;
  height: 38px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

.mobile-nav { display: none; }

/* ---------- Hero ---------- */

.hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  letter-spacing: -0.01em;
}

.hero .accent { color: var(--blue-deep); }

.hero .tagline {
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin-bottom: 1.6em;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin: 0 auto;
}

.hero-art .frame {
  position: absolute;
  inset: 0;
}

.hero-art .bracket {
  position: absolute;
  width: 34px;
  height: 34px;
  border: 2px solid var(--blue-deep);
  opacity: 0.55;
}
.hero-art .bracket.tl { top: -6px; left: -6px; border-right: none; border-bottom: none; }
.hero-art .bracket.tr { top: -6px; right: -6px; border-left: none; border-bottom: none; }
.hero-art .bracket.bl { bottom: -6px; left: -6px; border-right: none; border-top: none; }
.hero-art .bracket.br { bottom: -6px; right: -6px; border-left: none; border-top: none; }

.scan-line {
  position: absolute;
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  top: 10%;
  animation: sweep 5s ease-in-out infinite;
  opacity: 0.85;
}

@keyframes sweep {
  0%, 100% { top: 10%; opacity: 0; }
  10% { opacity: 0.85; }
  50% { top: 88%; opacity: 0.85; }
  90% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .scan-line { animation: none; opacity: 0.5; top: 50%; }
}

/* ---------- Banner strip (dark, two-column, from flyer) ---------- */

.strip {
  background: var(--navy);
  color: #eef3fa;
  padding: clamp(28px, 4vw, 40px) 0;
}

.strip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.strip-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 4px clamp(0px, 3vw, 32px);
}

.strip-grid .strip-item:first-child {
  border-right: 1px solid rgba(255,255,255,0.16);
}

.strip-item svg {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  color: var(--cyan);
}

.strip-item p {
  margin: 0;
  color: #dbe6f4;
  font-size: 1.02rem;
}

.strip-item strong { color: #fff; }

/* ---------- Two-column info section ---------- */

.split {
  padding: clamp(56px, 8vw, 96px) 0;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: clamp(28px, 5vw, 56px);
}

.split-grid .rule { background: var(--line); }

.eyebrow-icon {
  width: 48px;
  height: 48px;
  color: var(--blue-deep);
  margin-bottom: 18px;
}

.split h2 {
  font-size: 1.5rem;
  margin-bottom: 0.6em;
}

.split .col p { color: var(--ink-soft); }

/* ---------- Services teaser / grid ---------- */

.services {
  padding: clamp(48px, 7vw, 80px) 0;
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 44px);
  flex-wrap: wrap;
}

.section-head h2 { margin-bottom: 0; font-size: 1.7rem; }
.section-head .lede { color: var(--ink-soft); max-width: 46ch; margin: 6px 0 0; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--paper-raised);
  padding: 28px 26px 30px;
  position: relative;
}

.service-card .tick {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--line-strong);
  position: absolute;
  top: 14px;
  right: 18px;
}

.service-card svg {
  width: 34px;
  height: 34px;
  color: var(--blue-deep);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4em;
}

.service-card p {
  color: var(--ink-soft);
  font-size: 0.97rem;
  margin-bottom: 0;
}

.service-card a.card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-deep);
  text-decoration: none;
}
.service-card a.card-link:hover { text-decoration: underline; }

/* ---------- Reasons list (why choose) ---------- */

.reasons {
  padding: clamp(56px, 8vw, 96px) 0;
}

.reasons-list {
  border-top: 1px solid var(--line);
}

.reason-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.reason-row .num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--blue-deep);
  padding-top: 3px;
}

.reason-row h3 {
  font-size: 1.08rem;
  margin-bottom: 0.3em;
}

.reason-row p {
  color: var(--ink-soft);
  margin-bottom: 0;
  font-size: 0.97rem;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 60%, var(--blue-deep));
  color: #fff;
  padding: clamp(48px, 7vw, 76px) 0;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 0.3em;
}

.cta-band p {
  color: #cfe0f4;
  margin: 0 auto 1.6em;
  font-size: 1.08rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  padding: clamp(40px, 6vw, 64px) 0 clamp(32px, 5vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-hero .kicker {
  font-family: var(--serif);
  font-style: italic;
  color: var(--blue-deep);
  font-size: 1.05rem;
  margin-bottom: 0.4em;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.7rem);
  max-width: 20ch;
}

.page-hero p.lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--ink-soft); }

/* ---------- Service detail sections ---------- */

.service-detail {
  padding: clamp(20px, 4vw, 32px) 0;
  border-bottom: 1px solid var(--line);
}

.service-detail .container {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
  padding-top: clamp(36px, 5vw, 56px);
  padding-bottom: clamp(36px, 5vw, 56px);
}

.service-detail:last-of-type { border-bottom: none; }

.service-label {
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-label svg {
  width: 38px;
  height: 38px;
  color: var(--blue-deep);
  flex-shrink: 0;
}

.service-label span {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--navy);
}

.service-detail .body h3 {
  font-size: 1.25rem;
}

.service-detail .body p { color: var(--ink-soft); }

.service-detail .facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.service-detail .facts li {
  font-size: 0.9rem;
  color: var(--navy);
  padding-left: 16px;
  position: relative;
}
.service-detail .facts li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 7px; height: 7px;
  background: var(--cyan);
}

/* ---------- Stat strip (about) ---------- */

.stat-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(32px, 5vw, 48px) 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-grid .num {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--blue-deep);
  font-weight: 600;
  display: block;
}

.stat-grid .label {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 64px);
  padding: clamp(48px, 7vw, 80px) 0;
  align-items: start;
}

.contact-card {
  border: 1px solid var(--line);
  background: var(--paper-raised);
  padding: clamp(28px, 4vw, 40px);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-method:last-child { border-bottom: none; }

.contact-method svg {
  width: 26px; height: 26px;
  color: var(--blue-deep);
  flex-shrink: 0;
}

.contact-method .label {
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-transform: none;
  margin-bottom: 2px;
}

.contact-method a, .contact-method span.value {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
}
.contact-method a:hover { color: var(--blue-deep); }

.contact-note {
  background: var(--navy);
  color: #dfe9f6;
  padding: clamp(28px, 4vw, 40px);
}
.contact-note h3 { color: #fff; font-size: 1.2rem; }
.contact-note p { color: #c6d6ea; }
.contact-note ul { margin: 0; padding-left: 18px; color: #c6d6ea; }
.contact-note li { margin-bottom: 8px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-deep);
  color: #b9c9dd;
  padding: clamp(40px, 6vw, 56px) 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand img { height: 36px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p { color: #8ea3bd; font-size: 0.92rem; max-width: 34ch; }

.footer-col h4 {
  color: #fff;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  color: #b9c9dd;
  text-decoration: none;
  font-size: 0.92rem;
  margin-bottom: 10px;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  font-size: 0.82rem;
  color: #7d92ad;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 320px; }
  .strip-grid { grid-template-columns: 1fr; }
  .strip-grid .strip-item:first-child { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.16); padding-bottom: 20px; margin-bottom: 16px; }
  .split-grid { grid-template-columns: 1fr; }
  .split-grid .rule { display: none; }
  .service-grid { grid-template-columns: 1fr; }
  .service-detail .container { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .mobile-nav.open { display: flex; }
  .mobile-nav {
    flex-direction: column;
    gap: 2px;
    padding: 8px var(--pad) 18px;
    border-top: 1px solid var(--line);
  }
  .mobile-nav a {
    padding: 12px 4px;
    color: var(--navy);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--line);
  }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .reason-row { grid-template-columns: 40px 1fr; }
}