/* ==========================================================================
   Orbit Clinical Research — v2 design system (2026-09-14)
   Deep-navy rounded panels, warm off-white page, white pill buttons, real
   people. Display type: Plus Jakarta Sans. Body: DM Sans. Every marketing
   page loads this file; the /apply funnel gets its own token override
   (apply-v2.css) so apply.css never has to change.
   ========================================================================== */

:root {
  --navy-900: #111c35;
  --navy-800: #17254a;
  --navy-700: #1d2c4e;
  --navy-600: #2a3b66;
  --navy-500: #3d5187;
  --navy-400: #5c6fa3;
  --peri: #8fa3e6;
  --peri-soft: #b9c6e3;
  --sky-100: #c9d5ee;
  --sky-50: #e8eef9;
  --cream: #fcfbf8;
  --white: #ffffff;
  --ink: #111c35;
  --ink-2: #3b4661;
  --ink-3: #626d87;
  --line: rgba(17, 28, 53, 0.1);
  --line-strong: rgba(17, 28, 53, 0.18);
  --line-on-navy: rgba(255, 255, 255, 0.14);
  --glass: rgba(255, 255, 255, 0.09);
  --glass-strong: rgba(255, 255, 255, 0.14);
  --amber: #b07c2f;

  --r-panel: 28px;
  --r-card: 18px;
  --r-thumb: 12px;
  --r-pill: 999px;

  --font-display: 'Plus Jakarta Sans', 'DM Sans', sans-serif;
  --font-body: 'DM Sans', 'Plus Jakarta Sans', sans-serif;

  --gutter: 12px;
  --maxw: 1160px;
  --shadow-card: 0 10px 30px -18px rgba(17, 28, 53, 0.35);
  --focus-ring: #3d5187;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
h1 { font-size: clamp(38px, 5vw, 60px); line-height: 1.06; }
h2 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.1; }
h3 { font-size: 21px; line-height: 1.25; letter-spacing: -0.012em; }
p { color: var(--ink-2); }
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; }
:where(a, button, summary, [tabindex]):focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 4px; }
.on-navy { --focus-ring: #fff; }
.skip-link {
  position: fixed; top: 12px; left: 24px; z-index: 100;
  padding: 12px 20px; border-radius: 12px; background: var(--white); color: var(--ink);
  font-weight: 600; transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 32px; }

.eyebrow {
  display: inline-block; font-family: var(--font-body); font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px;
}
.on-navy .eyebrow { color: var(--peri); }
.on-navy h1, .on-navy h2, .on-navy h3 { color: var(--white); }
.on-navy p { color: rgba(255, 255, 255, 0.78); }
.accent { color: var(--peri); }

.lede { font-size: 19px; line-height: 1.6; max-width: 620px; }

/* ===== Panels: the rounded full-width blocks the page is built from ===== */
.panel {
  margin: 0 var(--gutter);
  border-radius: var(--r-panel);
  position: relative;
  overflow: hidden;
}
.panel + .panel { margin-top: var(--gutter); }
.panel--hero { background: linear-gradient(180deg, #1f3058 0%, #2c4072 55%, #4a5f95 100%); color: var(--white); }
.panel--deep { background: var(--navy-700); color: var(--white); }
.panel--navy { background: linear-gradient(180deg, #24365f 0%, #3a4e82 100%); color: var(--white); }
.panel--sky { background: linear-gradient(180deg, #b9c8e6 0%, #e6ecf7 100%); }
.panel--cream { background: transparent; }

.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head p { font-size: 18px; margin-top: 14px; }
.section-head--left { margin: 0 0 40px; text-align: left; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; border-radius: var(--r-pill); font-family: var(--font-body);
  font-size: 16px; font-weight: 600; text-decoration: none; border: 1px solid transparent;
  cursor: pointer; transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { flex-shrink: 0; }
.btn--white { background: var(--white); color: var(--ink); }
.btn--white:hover { background: #f1f3f9; }
.btn--navy { background: var(--navy-700); color: var(--white); }
.btn--navy:hover { background: var(--navy-800); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.35); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.6); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--outline:hover { border-color: var(--ink); }
.btn--sm { padding: 11px 18px; font-size: 14px; }
.btn--lg { padding: 18px 34px; font-size: 17px; }

/* ===== Top bar (lives inside the hero panel) ===== */
.topbar { position: relative; z-index: 5; padding: 16px 16px 0; }
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 12px 10px 18px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); flex-shrink: 0; }
.brand-mark { width: 36px; height: 36px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -0.03em; }
.brand-sub { font-size: 10px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.9; margin-top: 5px; white-space: nowrap; }
.brand:focus-visible { outline: 2px solid currentColor; outline-offset: 6px; border-radius: 4px; }
.topbar-links { display: flex; align-items: center; gap: 4px; }
.topbar-link {
  color: rgba(255, 255, 255, 0.86); text-decoration: none; font-size: 14.5px; font-weight: 500;
  padding: 9px 14px; border-radius: var(--r-pill); transition: background-color 140ms ease, color 140ms ease;
}
.topbar-link:hover, .topbar-link[aria-current="page"] { background: rgba(255, 255, 255, 0.1); color: var(--white); }
.topbar-cta { margin-left: 8px; }
.topbar-toggle {
  display: none; align-items: center; justify-content: center; min-width: 44px; min-height: 44px;
  background: none; border: 0; color: var(--white); padding: 8px; cursor: pointer; border-radius: var(--r-pill);
}
.topbar-menu {
  display: none; margin: 8px 16px 0; padding: 8px; border-radius: 22px;
  background: rgba(17, 28, 53, 0.92); border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.topbar-menu[data-open="true"] { display: grid; gap: 2px; }
.topbar-menu a { color: var(--white); text-decoration: none; padding: 14px 16px; border-radius: 14px; font-weight: 500; font-size: 16px; }
.topbar-menu a:hover { background: rgba(255, 255, 255, 0.08); }
.topbar-menu .btn { margin-top: 6px; }
.topbar-menu .btn--white { color: var(--ink); }
.topbar-menu .btn--white:hover { background: #f1f3f9; }

/* ===== Hero ===== */
.hero { position: relative; padding: 56px 0 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero-copy { padding: 24px 0 72px 56px; position: relative; z-index: 2; }
.hero h1 { color: var(--white); max-width: 16ch; }
.hero-sub { font-size: 19px; line-height: 1.55; color: rgba(255, 255, 255, 0.82); max-width: 520px; margin-top: 22px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero-fine { font-size: 14px; color: rgba(255, 255, 255, 0.62); margin-top: 18px; }
.hero-fine--reg { margin-top: 6px; color: rgba(255, 255, 255, 0.72); }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13.5px; font-weight: 500; color: rgba(255, 255, 255, 0.92);
}
.chip svg { color: var(--peri); flex-shrink: 0; }
.hero-figure { position: relative; margin: 0 40px 56px 0; min-width: 0; overflow: hidden; border-radius: var(--r-card); }
.hero-figure img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: 55% 60%; }
.hero-figure--portrait { display: none; }
/* Opaque photo variant of the hero figure: a rounded card, bottom-aligned to the panel. */
.hero-figure--photo { min-height: 0; }
.hero-figure--photo img { width: min(100%, 620px); aspect-ratio: 3 / 2; object-fit: cover; border-radius: 24px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6); border: 1px solid rgba(255, 255, 255, 0.12); }
.hero-figure--photo::before { display: none; }

/* ===== Explore row (the card strip under the hero) ===== */
.explore { padding: 56px 40px 60px; }
.explore-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.explore-head h2 { color: var(--white); font-size: clamp(28px, 3.2vw, 40px); }
.explore-nav { display: none; gap: 10px; }
.explore-nav button {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06); color: var(--white); cursor: pointer; display: grid; place-items: center;
}
.explore-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.explore-card {
  display: flex; flex-direction: column; justify-content: space-between; gap: 18px;
  min-height: 120px; padding: 18px; border-radius: var(--r-card); text-decoration: none; color: var(--white);
  background: linear-gradient(180deg, #33477a 0%, #2b3d6c 100%); border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.explore-card:hover { transform: translateY(-3px); border-color: rgba(255, 255, 255, 0.28); box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.6); }
.explore-card:focus-visible { outline-offset: -4px; }
.explore-card strong { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -0.01em; }
.explore-card span { font-size: 13px; color: rgba(255, 255, 255, 0.66); margin-top: 4px; display: block; }

/* ===== Note from the study team ===== */
.note-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: start; }
.note-grid h2 { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 24px; }
.note-body p { margin-bottom: 16px; font-size: 17px; }
.note-body p strong { color: var(--ink); font-weight: 600; }
.note-sign { margin-top: 26px; font-weight: 600; color: var(--ink); }
.note-photo { border-radius: var(--r-panel); overflow: hidden; box-shadow: var(--shadow-card); }
.note-photo img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }

/* ===== Visit steps ===== */
.medallions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 8px; }
.medallion { text-align: left; border-top: 1px solid var(--line-strong); padding-top: 20px; }
.medallion-step { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy-500); margin-bottom: 8px; }
.medallion h3 { font-size: 19px; margin-bottom: 8px; }
.medallion p { font-size: 15px; line-height: 1.55; max-width: 260px; }

/* ===== Oversight ===== */
.oversight-grid { max-width: 1272px; margin: 0 auto; }
.oversight-copy { padding: 64px 56px; display: flex; flex-direction: column; gap: 22px; }
.glass {
  background: var(--glass); border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 20px; padding: 22px 24px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.glass h3 { color: var(--white); font-size: 18px; margin-bottom: 6px; }
.glass p { font-size: 15px; line-height: 1.55; color: rgba(255, 255, 255, 0.76); }
.glass-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== Facts grid (white stat cards on a sky panel) ===== */
.facts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.facts-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 18px; border-radius: 24px; background: rgba(255, 255, 255, 0.35); }
.fact { background: var(--white); border-radius: 14px; padding: 18px 18px 20px; min-height: 148px; display: flex; flex-direction: column; }
.fact-label { font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.fact-value { font-family: var(--font-display); font-size: 26px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; color: var(--ink); }
.fact-sub { font-size: 13.5px; color: var(--ink-3); margin-top: auto; padding-top: 10px; line-height: 1.45; }

/* ===== FAQ ===== */
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 24px 4px; font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -0.012em; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; flex-shrink: 0; color: var(--ink); transition: transform 160ms ease, background-color 160ms ease; }
.faq-item[open] .faq-icon { transform: rotate(45deg); background: var(--navy-700); color: var(--white); border-color: var(--navy-700); }
.faq-body { padding: 0 4px 26px; max-width: 760px; }
.faq-body p { margin-bottom: 14px; font-size: 16.5px; line-height: 1.65; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body a { color: var(--navy-600); }

/* ===== Closing CTA ===== */
.cta-panel { text-align: center; padding: 88px 32px; }
.cta-panel h2 { color: var(--white); font-size: clamp(32px, 4.4vw, 54px); max-width: 16ch; margin: 0 auto 18px; }
.cta-panel p { max-width: 560px; margin: 0 auto 30px; font-size: 18px; }
.cta-panel .hero-fine { margin-top: 16px; }

/* ===== Disclosure (regulatory; conspicuous, never collapsed) ===== */
.disclosure { margin: var(--gutter) var(--gutter) var(--gutter); padding: 26px 32px; border-radius: 20px; background: #fbf7f0; border: 1px solid #ead9c2; }
.disclosure p { font-size: 14.5px; line-height: 1.6; color: var(--ink); max-width: 1100px; margin: 0 auto; }
.disclosure p + p { margin-top: 10px; }

/* ===== Footer ===== */
.footer { margin: var(--gutter); padding: 64px 48px 32px; color: var(--white); }
.footer-mark { font-family: var(--font-display); font-weight: 700; font-size: clamp(64px, 14vw, 200px); line-height: 0.9; letter-spacing: 0.02em; color: rgba(255, 255, 255, 0.08); user-select: none; text-align: center; margin-bottom: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-top: 36px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.footer-grid p { font-size: 14.5px; max-width: 320px; }
.footer-title { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); margin-bottom: 14px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a, .footer-links span { color: rgba(255, 255, 255, 0.88); text-decoration: none; font-size: 15px; }
.footer-links { overflow-wrap: anywhere; }
.footer-links a:hover { color: var(--white); text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.14); font-size: 13px; color: rgba(255, 255, 255, 0.6); }
.footer-bottom a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }

/* ===== Page header (inner pages) ===== */
.page-hero { padding: 48px 56px 64px; }
.page-hero h1 { color: var(--white); max-width: 14ch; }
.page-hero .lede { color: rgba(255, 255, 255, 0.8); margin-top: 18px; }
.breadcrumb { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-bottom: 20px; }
.breadcrumb a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }

/* ===== Prose (explainer + legal) ===== */
.prose { max-width: 760px; overflow-wrap: anywhere; }
.prose h2 { font-size: 28px; margin: 48px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 20px; margin: 30px 0 10px; }
.prose p { margin-bottom: 16px; font-size: 17px; line-height: 1.68; }
.prose ul, .prose ol { margin: 0 0 20px 22px; }
.prose li { color: var(--ink-2); margin-bottom: 10px; line-height: 1.6; }
.prose strong { color: var(--ink); }
.prose a { color: var(--navy-600); }
.callout { background: var(--sky-50); border: 1px solid rgba(17, 28, 53, 0.06); border-left: 4px solid var(--navy-500); border-radius: 0 14px 14px 0; padding: 18px 22px; margin: 26px 0; }
.callout p { margin: 0; color: var(--ink); font-size: 16px; }
.callout--amber { background: #fbf7f0; border-color: #ead9c2; border-left-color: var(--amber); }

/* ===== Study detail (studies page) ===== */
.study-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; padding: 64px 0; border-top: 1px solid var(--line); }
.study-detail:first-of-type { border-top: 0; }
.study-detail-photo { border-radius: var(--r-panel); overflow: hidden; box-shadow: var(--shadow-card); position: sticky; top: 24px; }
.study-detail-photo img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; }
.study-detail h2 { font-size: clamp(28px, 3vw, 38px); margin: 8px 0 14px; }
.study-detail .lede { font-size: 17.5px; }
.study-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 24px 0; }
.study-fact { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.study-fact b { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.study-fact span { font-size: 15px; color: var(--ink); line-height: 1.45; }
.study-section { margin-top: 26px; }
.study-section h3 { font-size: 17px; margin-bottom: 10px; }
.study-section ul { margin-left: 20px; }
.study-section li { font-size: 15.5px; color: var(--ink-2); margin-bottom: 8px; line-height: 1.55; }
.study-section p { font-size: 15.5px; line-height: 1.6; }
.study-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* ===== Sticky mobile CTA ===== */
.sticky-cta {
  position: fixed; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); z-index: 60;
  display: none; transform: translateY(120%); transition: transform 160ms ease-out;
}
.sticky-cta[hidden] { display: none; }
.sticky-cta[data-show="true"] { transform: translateY(0); }
.sticky-cta .btn { width: 100%; box-shadow: 0 16px 36px -14px rgba(17, 28, 53, 0.6); }

/* ===== QA boundary badge (environment.js paints this) ===== */
[data-orbit-environment] { z-index: 70; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .explore-track { grid-template-columns: repeat(3, 1fr); }
  .medallions { grid-template-columns: repeat(2, 1fr); gap: 36px 24px; }
  .hero-copy { padding-left: 40px; }
  .oversight-copy { padding-left: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  :root { --gutter: 8px; --r-panel: 22px; }
  body { font-size: 16px; }
  .container, .container-narrow { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section--tight { padding: 48px 0; }
  .topbar { padding: 12px 12px 0; }
  .topbar-links { display: none; }
  .topbar-toggle { display: inline-flex; }
  .hero { padding-top: 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-copy { order: 1; padding: 8px 22px 28px; text-align: left; }
  .hero h1 { max-width: none; font-size: clamp(34px, 9vw, 44px); }
  .hero-sub { font-size: 17px; }
  .hero-actions .btn { width: 100%; }
  .hero-figure { order: 2; margin: 0 22px 28px; min-height: 0; }
  .hero-figure--landscape { display: none; }
  .hero-figure--portrait { display: block; }
  .hero-figure img { width: 100%; aspect-ratio: 3 / 2; }
  .explore { padding: 40px 20px 44px; }
  .explore-head { margin-bottom: 18px; }
  .explore-nav { display: flex; }
  .explore-track { display: flex; overflow-x: auto; gap: 12px; scroll-snap-type: x mandatory; padding-bottom: 6px; margin: 0 -20px; padding-left: 20px; padding-right: 20px; scrollbar-width: none; }
  .explore-track::-webkit-scrollbar { display: none; }
  .explore-card { flex: 0 0 72%; scroll-snap-align: start; }
  .note-grid { grid-template-columns: 1fr; gap: 28px; }
  .note-photo img { aspect-ratio: 4 / 3; }
  .medallions { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
  .medallion p { font-size: 14px; }
  .glass-list { grid-template-columns: 1fr; }
  .oversight-copy { padding: 40px 22px 28px; }
  .facts-grid { grid-template-columns: 1fr; gap: 28px; }
  .facts-cards { grid-template-columns: 1fr 1fr; padding: 12px; gap: 10px; }
  .fact { min-height: 0; padding: 16px; }
  .fact-value { font-size: 21px; }
  .faq-item summary { font-size: 17px; padding: 20px 0; }
  .cta-panel { padding: 64px 22px; }
  .footer { padding: 44px 22px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-links { gap: 2px; }
  .footer-links a { display: inline-flex; align-items: center; min-height: 44px; }
  .page-hero { padding: 24px 22px 44px; }
  .study-detail { grid-template-columns: 1fr; gap: 24px; padding: 44px 0; }
  .study-detail-photo { position: static; }
  .study-detail-photo img { aspect-ratio: 16 / 11; }
  .study-facts { grid-template-columns: 1fr 1fr; }
  .study-actions .btn { width: 100%; }
  .sticky-cta { display: block; }
  body.has-sticky-cta { padding-bottom: 84px; }
}

@media (max-width: 600px) {
  .medallions { grid-template-columns: 1fr; gap: 24px; }
  .medallion p { max-width: none; font-size: 16px; }
}

@media (max-width: 420px) {
  .study-facts { grid-template-columns: 1fr; }
  .facts-cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .topbar-link, .explore-card, .faq-icon, .sticky-cta { transition: none; }
  .explore-card:hover, .btn:active { transform: none; }
}