/* Beyond the Algorithm — AI in Clinical Research webinar page.
   Loaded after style.css; everything is scoped to body.ai-ws. */

.ai-ws {
  --navy-900: #050d24;
  --navy-800: #0a1838;
  --navy-700: #10244f;
  --cyan: #22d3ee;
  --electric: #3b82f6;
  --ai-yellow: #facc15;
  --cyan-ink: #0e7490;
  --blue-ink: #1d4ed8;
  --ai-text: #0f1f3d;
  --ai-muted: #4a5a78;
  --ai-line: #dbe4f3;
  --ai-card: #ffffff;
  background: #fff;
  color: var(--ai-text);
}

.ai-ws section { scroll-margin-top: 80px; }
.ai-ws h1, .ai-ws h2, .ai-ws h3, .ai-ws h4 { color: var(--navy-900); }
.ai-ws p { color: var(--ai-muted); }
.ai-ws a:focus-visible, .ai-ws button:focus-visible, .ai-ws summary:focus-visible,
.ai-ws input:focus-visible { outline: 3px solid var(--electric); outline-offset: 3px; }

.ai-ws .eyebrow { color: var(--cyan-ink); background: #ecfeff; border: 1px solid #a5f3fc; }
.ai-ws .btn-primary { background: linear-gradient(135deg, var(--cyan), var(--electric)); color: #04122e; box-shadow: 0 10px 24px rgba(59, 130, 246, 0.22); }
.ai-ws .btn-primary:hover { box-shadow: 0 14px 32px rgba(59, 130, 246, 0.35); }
.ai-ws .btn-outline { border-color: var(--navy-700); color: var(--navy-700); }
.ai-ws .btn-outline:hover { border-color: var(--blue-ink); color: var(--blue-ink); }
.ai-ws .btn-instagram { background: linear-gradient(135deg, #f58529, #dd2a7b 50%, #8134af); color: #fff; }

/* Header */
.ai-ws .site-header { border-bottom-color: var(--ai-line); }
.ai-ws .main-nav a:hover { color: var(--blue-ink); }

/* Hero */
.ai-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
  background:
    radial-gradient(circle at 85% 15%, rgba(59, 130, 246, 0.08), transparent 45%),
    radial-gradient(circle at 5% 90%, rgba(34, 211, 238, 0.08), transparent 40%),
    #fff;
}
.ai-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(29, 78, 216, 0.1) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
  pointer-events: none;
}
.ai-hero .container { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.ai-hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); letter-spacing: -0.03em; margin-bottom: 8px; }
.ai-hero h1 span { background: linear-gradient(90deg, var(--navy-900), var(--blue-ink) 70%, var(--cyan-ink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ai-hero .ai-sub { font-size: clamp(1.3rem, 2.6vw, 1.9rem); font-weight: 700; color: var(--blue-ink); margin: 0 0 18px; }
.ai-hero .lead { font-size: 1.12rem; max-width: 560px; }
.ai-badges { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 24px 0 28px; }
.ai-badges li { padding: 8px 14px; border: 1px solid var(--ai-line); border-radius: 999px; background: #fff; font-size: 0.9rem; font-weight: 600; color: var(--navy-800); box-shadow: 0 4px 12px rgba(15, 31, 61, 0.06); }
.ai-badges li strong { padding: 0 6px; border-radius: 6px; background: var(--ai-yellow); color: var(--navy-900); }
.ai-nudge { margin-top: 18px; font-size: 0.95rem; color: var(--cyan-ink); font-weight: 600; }
.ai-visual { width: 100%; max-width: 520px; justify-self: center; filter: drop-shadow(0 24px 48px rgba(15, 31, 61, 0.22)); }

/* Sections */
.ai-section-alt { background: #fff; border-top: 1px solid var(--ai-line); }
.ai-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.ai-about { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
.ai-about p { font-size: 1.05rem; }
.ai-pillars { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.ai-pillars li { padding: 16px 18px; border: 1px solid var(--ai-line); border-left: 3px solid var(--cyan); border-radius: 10px; background: #f8fbff; color: var(--navy-900); font-weight: 600; }
.ai-pillars li span { display: block; margin-top: 2px; font-size: 0.9rem; font-weight: 400; color: var(--ai-muted); }

.ai-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.ai-card {
  padding: 28px 24px;
  border: 1px solid var(--ai-line);
  border-radius: var(--radius);
  background: var(--ai-card);
  box-shadow: 0 10px 28px rgba(15, 31, 61, 0.07);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.ai-card:hover { transform: translateY(-4px); border-color: #93c5fd; }
.ai-card h3 { font-size: 1.12rem; margin: 18px 0 8px; }
.ai-card p { margin: 0; font-size: 0.97rem; }
.ai-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: #ecfeff; color: var(--cyan-ink); }
.ai-icon svg { width: 28px; height: 28px; }
.ai-icon.is-yellow { background: #fef9c3; color: #a16207; }

.ai-audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 880px; margin: 0 auto; padding: 0; list-style: none; }
.ai-audience li { position: relative; padding: 18px 20px 18px 56px; border: 1px solid var(--ai-line); border-radius: 12px; background: var(--ai-card); color: var(--navy-900); font-weight: 600; }
.ai-audience li::before { content: "✓"; position: absolute; left: 18px; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--blue-ink); color: #fff; font-weight: 900; font-size: 0.85rem; }
.ai-audience-note { max-width: 680px; margin: 28px auto 0; text-align: center; }

.ai-benefits { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 820px; margin: 0 auto; }
.ai-benefits .ai-card { display: flex; gap: 18px; align-items: flex-start; }
.ai-benefits .ai-card h3 { margin-top: 0; }

.ai-schedule { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.ai-facts { margin: 0; padding: 28px; border: 1px solid var(--ai-line); border-radius: var(--radius); background: var(--ai-card); box-shadow: 0 10px 28px rgba(15, 31, 61, 0.07); }
.ai-facts div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--ai-line); }
.ai-facts div:last-of-type { border-bottom: 0; }
.ai-facts dt { font-weight: 700; color: var(--ai-muted); }
.ai-facts dd { margin: 0; color: var(--navy-900); font-weight: 600; }
.ai-facts .fee { font-size: 1.5rem; font-weight: 800; color: var(--blue-ink); }
.ai-facts .btn { width: 100%; justify-content: center; margin-top: 18px; }

/* Registration */
.ai-register { background: #fff; border-top: 1px solid var(--ai-line); }
.ai-register .two-col { align-items: center; }
.ai-register .list-check li { color: var(--ai-text); }
.ai-register .list-check li::before { color: var(--blue-ink); }
.ai-register a:not(.btn) { color: var(--blue-ink); text-decoration: underline; }
.ai-ws .analysis-card { background: #fff; color: var(--ink); border-color: var(--ai-line); box-shadow: 0 20px 44px rgba(15, 31, 61, 0.12); }
.ai-ws .analysis-card p { color: var(--ink-soft); }
.ai-ws .analysis-card select:focus, .ai-ws .analysis-card input:focus { outline-color: var(--electric); }
.ai-ws .analysis-card .optional { font-weight: 500; color: var(--ink-soft); }
.ai-consent { display: flex !important; gap: 10px; align-items: flex-start; margin: 20px 0 0 !important; font-weight: 500 !important; font-size: 0.92rem; cursor: pointer; }
.ai-consent input { width: 18px !important; height: 18px; margin-top: 3px; flex-shrink: 0; accent-color: var(--electric); }
.ai-consent a { color: #1d4ed8; text-decoration: underline; }
.ai-ws .analysis-card .analysis-status:not(.is-error) { color: #0b5a3a; }

/* Contact CTAs */
.ai-connect { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ai-connect .ai-card { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.ai-connect .btn { margin-top: 12px; }

/* FAQ */
.ai-faq { display: grid; gap: 12px; max-width: 820px; margin: 0 auto; }
.ai-faq details { padding: 18px 22px; border: 1px solid var(--ai-line); border-radius: 12px; background: var(--ai-card); }
.ai-faq summary { cursor: pointer; font-weight: 700; color: var(--navy-900); }
.ai-faq details[open] summary { color: var(--blue-ink); }
.ai-faq details p { margin: 12px 0 0; }
.ai-faq a { color: var(--blue-ink); text-decoration: underline; }

/* Final CTA */
.ai-final { padding: 64px 40px; border: 1px solid rgba(34, 211, 238, 0.35); border-radius: 24px; text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.2), transparent 60%), var(--navy-700); }
.ai-final h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); color: #fff; }
.ai-final p { max-width: 620px; margin: 0 auto 26px; font-size: 1.08rem; color: #c7d4ee; }
.ai-final .btn-outline { border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.ai-final .btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }
.ai-final .cta-row { justify-content: center; }

/* Scroll reveal (only when JS has run and motion is allowed) */
.ai-reveal-ready .ai-reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.ai-reveal-ready .ai-reveal.is-visible { opacity: 1; transform: none; }
.ai-pulse { animation: ai-pulse 2.6s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes ai-pulse { 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) {
  .ai-pulse { animation: none; }
  .ai-card, .ai-card:hover { transition: none; transform: none; }
}

@media (max-width: 1000px) {
  .ai-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .ai-hero .container, .ai-about, .ai-schedule { grid-template-columns: 1fr; }
  .ai-visual { max-width: 440px; }
}
@media (max-width: 720px) {
  .ai-hero { padding: 48px 0 60px; }
  .ai-cards, .ai-audience, .ai-benefits, .ai-connect { grid-template-columns: 1fr; }
  .ai-hero .cta-row .btn { width: 100%; justify-content: center; }
  .ai-final { padding: 44px 22px; }
  .ai-facts div { grid-template-columns: 90px 1fr; }
}