:root {
  --ink: #1a2732; --navy: #16324a; --navy-deep: #0f2437;
  --cream: #faf8f4; --white: #fff; --gold: #b08a4a; --gold-dark: #96713a;
  --gray: #5c6b77; --line: #e5e0d6;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif; color: var(--ink); background: var(--white); line-height: 1.65; font-size: 16.5px; -webkit-font-smoothing: antialiased; }
h1, h2, .serif { font-family: 'Fraunces', Georgia, serif; font-weight: 600; line-height: 1.15; }
img { max-width: 100%; display: block; }
a { color: var(--gold-dark); text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav img { height: 34px; }
.nav .btn { padding: 12px 24px; font-size: 14.5px; }

.hero { position: relative; color: var(--white); background: linear-gradient(rgba(15,36,55,.84), rgba(15,36,55,.88)), url('../img/lab-wide-1.jpg') center/cover; padding: 100px 0 110px; text-align: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .22em; font-size: 12.5px; font-weight: 600; color: var(--gold); margin-bottom: 18px; }
.hero h1 { font-size: clamp(36px, 5.5vw, 58px); margin-bottom: 22px; }
.hero p.lead { font-size: 19px; max-width: 620px; margin: 0 auto 38px; color: #dce6ee; }
.btn { display: inline-block; background: var(--gold); color: var(--white); padding: 16px 36px; border-radius: 999px; font-weight: 600; font-size: 16.5px; transition: background .15s; }
.btn:hover { background: var(--gold-dark); color: var(--white); }
.btn.ghost { background: transparent; border: 1.5px solid rgba(255,255,255,.55); margin-left: 14px; }
.btn.ghost:hover { background: rgba(255,255,255,.12); }
.btn.navy { background: var(--navy); }
.btn.navy:hover { background: var(--navy-deep); }

section { padding: 84px 0; }
.center { text-align: center; }
h2.head { font-size: clamp(28px, 4vw, 38px); margin: 8px 0 18px; }
.sub { color: var(--gray); max-width: 620px; margin: 0 auto; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split img { border-radius: 12px; box-shadow: 0 18px 44px rgba(22,50,74,.16); }
.split p { margin-bottom: 16px; color: #33424f; }
.cream { background: var(--cream); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 28px 26px; text-align: left; }
.card h3 { font-size: 19px; margin-bottom: 8px; color: var(--navy); }
.card p { font-size: 14.5px; color: var(--gray); }

.webinar-band { background: var(--navy-deep); color: var(--white); text-align: center; }
.webinar-band .eyebrow { color: var(--gold); }
.webinar-band h2 { font-size: clamp(26px, 4vw, 36px); margin-bottom: 16px; }
.webinar-band p { color: #c7d5e0; max-width: 560px; margin: 0 auto 32px; }
.webinar-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15); border-radius: 14px; padding: 44px; max-width: 640px; margin: 0 auto; }

.quote { background: var(--cream); text-align: center; }
.quote blockquote { font-family: 'Fraunces', Georgia, serif; font-size: clamp(20px, 3vw, 25px); max-width: 760px; margin: 0 auto 22px; color: var(--navy); font-weight: 400; }
.quote cite { font-style: normal; color: var(--gold-dark); letter-spacing: .12em; text-transform: uppercase; font-size: 13px; font-weight: 600; }

footer { background: var(--navy-deep); color: #9fb2c1; padding: 44px 0; font-size: 14px; text-align: center; }
footer a { color: var(--gold); }
footer p { margin-bottom: 8px; }

@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; gap: 34px; }
  .cards { grid-template-columns: 1fr; }
  .btn.ghost { margin-left: 0; margin-top: 14px; display: block; width: fit-content; margin-left: auto; margin-right: auto; margin-top: 14px; }
  .hero { padding: 70px 0 84px; }
  .webinar-card { padding: 30px 22px; }
}