/* Utah Valley OB Ultrasound — site styles
   No external fonts or scripts: everything is served from this domain. */

:root {
  --paper: #F4F7F6;
  --surface: #E3ECEA;
  --line: #C9D7D4;
  --ink: #17262C;
  --ink-soft: #4A5C62;
  --sonar: #1D6A72;
  --sonar-deep: #134B52;
  --on-sonar: #FFFFFF;
  --lilac: #5F4F92;
  --lilac-wash: #ECE8F5;
  --scan: #0E1C21;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, "Bitstream Charter", "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3125rem;
  --step-2: 1.625rem;
  --step-3: clamp(1.875rem, 1.4rem + 1.8vw, 2.5rem);
  --step-4: clamp(2.25rem, 1.5rem + 3.2vw, 3.5rem);

  --wrap: 72rem;
  --measure: 38rem;
  --radius-s: 6px;
  --radius-l: 18px;

  color-scheme: light;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0F1A1E;
    --surface: #17272C;
    --line: #2A3F45;
    --ink: #E6EEEC;
    --ink-soft: #A8B8BC;
    --sonar: #74C3C8;
    --sonar-deep: #9FD8DB;
    --on-sonar: #0F1A1E;
    --lilac: #B9ACDD;
    --lilac-wash: #231F33;
    --scan: #060D10;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: inherit; }

html { scroll-padding-top: env(safe-area-inset-top, 0px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--sonar); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--sonar-deep); text-decoration-thickness: 2px; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); line-height: 1.3; }
p { margin: 0 0 1em; max-width: var(--measure); }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 20;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; border-radius: var(--radius-s);
}
.skip-link:focus { top: calc(env(safe-area-inset-top, 0px) + 0.75rem); }

/* Header ---------------------------------------------------------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.header-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 0.75rem 2rem;
  padding-block: 1rem;
}
.brand {
  display: flex; align-items: center; gap: 0.7rem;
  color: var(--ink); text-decoration: none;
}
.brand svg { width: 2.4rem; height: 2.4rem; flex: none; }
.brand-name { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; line-height: 1.1; }
.brand-name small { display: block; font-family: var(--sans); font-size: var(--step--1); font-weight: 400; color: var(--ink-soft); }

.site-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 0.25rem 1.25rem; flex-wrap: wrap;
}
.site-nav a {
  display: inline-block; padding: 0.35rem 0;
  color: var(--ink-soft); text-decoration: none; font-size: 0.975rem;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--sonar); }

@media (max-width: 52rem) {
  .site-nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .site-nav ul { flex-wrap: nowrap; white-space: nowrap; padding-bottom: 0.25rem; }
}

/* Buttons --------------------------------------------------------- */
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.3rem; border-radius: 999px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  border: 2px solid var(--sonar);
}
.btn-primary { background: var(--sonar); color: var(--on-sonar); }
.btn-primary:hover { background: var(--sonar-deep); border-color: var(--sonar-deep); color: var(--on-sonar); }
.btn-quiet { color: var(--sonar); background: transparent; }
.btn-quiet:hover { background: var(--surface); }
.btn-note { display: block; margin-top: 0.6rem; font-size: var(--step--1); color: var(--ink-soft); }

/* Hero ------------------------------------------------------------ */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem); }
.hero-grid {
  display: grid; gap: 2.5rem; align-items: center;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}
.hero h1 { max-width: 15ch; }
.lede { font-size: var(--step-1); line-height: 1.5; color: var(--ink-soft); max-width: 34rem; }

.scan-figure { margin: 0; }
.scan-figure svg { display: block; width: 100%; }
.scan-figure figcaption {
  margin-top: 0.5rem; font-family: var(--serif); font-style: italic;
  color: var(--ink-soft); text-align: center;
}

@media (max-width: 48rem) {
  .hero-grid { grid-template-columns: 1fr; }
  .scan-figure { max-width: 22rem; margin-inline: auto; }
}

/* The one moment of motion: echoes returning from the probe */
@media (prefers-reduced-motion: no-preference) {
  .echo { opacity: 0; animation: echo-in 0.9s ease-out forwards; }
  .echo-1 { animation-delay: 0.15s; }
  .echo-2 { animation-delay: 0.35s; }
  .echo-3 { animation-delay: 0.55s; }
  .echo-4 { animation-delay: 0.75s; }
  .echo-5 { animation-delay: 0.95s; }
  .echo-sac { animation-delay: 1.15s; }
}
@keyframes echo-in { to { opacity: 1; } }

/* Page header (inner pages) --------------------------------------- */
.page-head { padding-block: clamp(2.25rem, 5vw, 3.75rem) 1.5rem; border-bottom: 1px solid var(--line); }
.page-head p { font-size: var(--step-1); color: var(--ink-soft); line-height: 1.5; }

/* Sections -------------------------------------------------------- */
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section-alt { background: var(--surface); }

.visit-types { display: grid; gap: 1.5rem; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2rem; }
@media (max-width: 48rem) { .visit-types { grid-template-columns: 1fr; } }

.visit {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius-l);
}
.visit-medical { background: var(--paper); border: 1px solid var(--line); }
.visit-elective { background: var(--lilac-wash); }
.visit-elective h3 { color: var(--lilac); }
.visit ul { padding-left: 1.2rem; margin: 0 0 1.25rem; }
.visit li { margin-bottom: 0.35rem; }

.price-list { margin: 0 0 1.25rem; }
.price-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding-block: 0.6rem; border-bottom: 1px dashed color-mix(in srgb, var(--lilac) 40%, transparent);
}
.price-row dt { font-weight: 600; }
.price-row dt span { display: block; font-weight: 400; font-size: var(--step--1); color: var(--ink-soft); }
.price-row dd { margin: 0; font-family: var(--serif); font-size: var(--step-1); white-space: nowrap; }

.reasons { display: grid; gap: 2rem; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 2rem; }
@media (max-width: 52rem) { .reasons { grid-template-columns: 1fr; } }
.reason { border-top: 3px solid var(--sonar); padding-top: 1rem; }
.reason p { color: var(--ink-soft); }

/* Prose pages ------------------------------------------------------ */
.prose { max-width: 44rem; }
.prose h2 { margin-top: 2.25rem; font-size: var(--step-2); }
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.3rem; max-width: var(--measure); }
.prose li { margin-bottom: 0.4rem; }

.layout-aside { display: grid; gap: 3rem; grid-template-columns: minmax(0, 1fr) 19rem; align-items: start; }
@media (max-width: 56rem) { .layout-aside { grid-template-columns: 1fr; } }

.aside-box {
  background: var(--surface); border-radius: var(--radius-l);
  padding: 1.5rem; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 1.5rem);
}
.aside-box h2 { font-size: var(--step-1); }
.aside-box p { font-size: 0.975rem; }

.findings { margin: 1rem 0 0; }
.findings div { padding-block: 0.85rem; border-bottom: 1px solid var(--line); }
.findings dt { font-weight: 600; }
.findings dd { margin: 0.15rem 0 0; color: var(--ink-soft); max-width: var(--measure); }

.callout {
  border-left: 4px solid var(--lilac); background: var(--lilac-wash);
  padding: 1rem 1.25rem; border-radius: 0 var(--radius-s) var(--radius-s) 0;
  margin: 1.5rem 0; max-width: var(--measure);
}
.callout p:last-child { margin-bottom: 0; }

.columns-list { columns: 2 16rem; column-gap: 2.5rem; padding-left: 1.2rem; }
.columns-list li { break-inside: avoid; margin-bottom: 0.5rem; }

.info-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.info-grid h2 { font-size: var(--step-1); margin-bottom: 0.4rem; }
.info-grid p { color: var(--ink-soft); }
.info-grid strong { color: var(--ink); }

.big-phone { font-family: var(--serif); font-size: var(--step-2); font-weight: 600; text-decoration: none; }

/* Footer ----------------------------------------------------------- */
.site-footer { background: var(--scan); color: #C9D6D8; padding-block: 3rem 2rem; margin-top: 0; }
.site-footer a { color: #9FD8DB; }
.site-footer a:hover { color: #FFFFFF; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.site-footer h2 { font-size: 1.05rem; color: #FFFFFF; margin-bottom: 0.5rem; }
.site-footer p { font-size: 0.95rem; margin-bottom: 0.6rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; font-size: 0.95rem; }
.site-footer li { margin-bottom: 0.4rem; }
.footer-base {
  margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid #22363C;
  font-size: var(--step--1); color: #8FA3A8;
}
.footer-base p { max-width: none; }

@media print {
  .site-nav, .skip-link, .actions, .scan-figure { display: none; }
  .site-footer { background: none; color: #000; }
}

.brand svg { color: var(--sonar); }

@media (max-width: 30rem) {
  .price-row { flex-direction: column; gap: 0.15rem; }
  .price-row dd { white-space: normal; }
}

/* Hero media: real video when available, animated scan otherwise */
.scan-media { position: relative; }
.scan-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; pointer-events: none;
  object-fit: cover; border-radius: var(--radius-l); background: var(--scan);
}
.has-video .scan-video { position: static; display: block; height: auto; max-width: 100%; opacity: 1; }

/* The original video is a wide 2.5:1 banner: give it the full hero width */
.hero-grid:has(.has-video) { grid-template-columns: 1fr; gap: 2rem; }
.hero-grid:has(.has-video) h1 { max-width: 22ch; }
.hero-grid:has(.has-video) .scan-figure { max-width: none; }
.has-video .scan-fallback { display: none; }
.video-toggle {
  position: absolute; left: 0.75rem; bottom: 0.75rem;
  font: inherit; font-size: var(--step--1); font-weight: 600;
  padding: 0.4rem 0.85rem; border-radius: 999px; cursor: pointer;
  background: rgba(14, 28, 33, 0.78); color: #FFFFFF; border: 1px solid rgba(255, 255, 255, 0.35);
}
.video-toggle:hover { background: rgba(14, 28, 33, 0.95); }
.video-toggle[hidden] { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .sweep { transform-box: view-box; transform-origin: 200px 20px; animation: sweep 3.4s ease-in-out infinite alternate; }
  .fetus { transform-box: view-box; transform-origin: 205px 190px; animation: drift 5.5s ease-in-out infinite; }
  .sac-rim { animation: rim 3.4s ease-in-out infinite; }
}
@keyframes sweep { from { transform: rotate(-31deg); } to { transform: rotate(31deg); } }
@keyframes drift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(5px, -4px) rotate(-5deg); }
}
@keyframes rim { 0%, 100% { opacity: 0.75; } 50% { opacity: 0.5; } }
.is-paused .scan-fallback * { animation-play-state: paused !important; }
.hero-grid:has(.has-video) .scan-figure { order: -1; }
.hero:has(.has-video) { padding-top: clamp(1.25rem, 3vw, 2rem); }
.has-video .video-toggle { left: auto; right: 0.75rem; }
@media (max-width: 40rem) {
  .video-toggle { font-size: 0.75rem; padding: 0.25rem 0.6rem; bottom: 0.5rem; }
  .has-video .video-toggle { right: 0.5rem; }
}