:root {
  color-scheme: dark;
  --navy: #0a192c;
  --ink: #f6f8f8;
  --soft: #c3cfda;
  --lime: #a9dc71;
  --line: #a8c2df38;
  --cream: #f4f6ef;
  font-family: Inter, "Avenir Next", Avenir, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--navy); color: var(--ink); }
a { color: inherit; }
.wrap { width: min(1240px, calc(100% - 112px)); margin-inline: auto; }
.header-inner { min-height: 86px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.wordmark { width: 148px; height: 60px; margin-left: -4px; display: grid; place-items: center; overflow: hidden; position: relative; }
.wordmark img {
  position: absolute; width: 176px; height: 176px; max-width: none;
  mask-image: radial-gradient(ellipse 47% 24% at 50% 50%, #000 69%, transparent 100%);
}
.header-link { font-size: .875rem; font-weight: 650; text-decoration: none; padding: 11px 16px; border: 1px solid #a8c2df59; border-radius: 100px; }
.header-link span { margin-left: 7px; color: var(--lime); }
.header-link:hover { border-color: var(--lime); }
.hero { overflow: hidden; position: relative; isolation: isolate; }
.hero-inner { min-height: 658px; position: relative; display: flex; align-items: center; }
.intro { position: relative; z-index: 1; width: min(100%, 545px); padding-block: 62px 65px; }
.eyebrow { font-size: .72rem; font-weight: 750; letter-spacing: .19em; margin: 0; }
.intro > .eyebrow { color: var(--lime); display: flex; gap: 10px; align-items: center; }
.signal { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px #a9dc7129; }
h1 { font: 400 clamp(4rem, 7.1vw, 7rem)/.88 Georgia, "Times New Roman", serif; letter-spacing: -.073em; margin: 28px 0 24px; }
h1 em { font-weight: 400; color: var(--lime); }
.description { max-width: 365px; font-size: 1.13rem; line-height: 1.55; color: var(--soft); margin: 0 0 32px; }
.signup { max-width: 480px; padding: 21px; border: 1px solid var(--line); border-radius: 16px; background: #111f32ed; scroll-margin-top: 20px; }
.offer { font-size: 1rem; font-weight: 750; margin: 0 0 6px; }
.details { color: var(--soft); font-size: .875rem; line-height: 1.45; margin: 0 0 16px; max-width: 360px; }
.form-row { display: flex; gap: 8px; }
input, button { font: inherit; font-size: .85rem; min-height: 47px; border-radius: 8px; }
input { min-width: 0; width: 100%; background: #0a192c; border: 1px solid #a8c2df59; color: var(--ink); padding: 0 12px; }
input::placeholder { color: #adbbc9; }
button { flex: 0 0 auto; padding-inline: 14px; border: 1px solid transparent; background: var(--lime); color: #132518; font-weight: 750; cursor: pointer; }
button span { margin-left: 4px; }
button:hover { background: #c0eb95; }
:focus-visible { outline: 2px solid #cbf7a3; outline-offset: 4px; }
.form-note, .form-status { color: var(--soft); font-size: .72rem; line-height: 1.45; margin: 10px 0 0; }
.form-status { color: #d4f5af; font-weight: 650; }
.product { position: absolute; z-index: 0; margin: 0; top: 0; bottom: 0; left: max(31%, 350px); right: min(-56px, calc((1240px - 100vw) / 2)); overflow: hidden; }
.product img { width: 100%; height: 100%; object-fit: cover; object-position: 48% 50%; display: block; mask-image: linear-gradient(90deg, transparent 0, #000 30%); }
.product::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--navy), transparent 14%, transparent 85%, #0a192c72); pointer-events: none; }
.product figcaption { position: absolute; bottom: 26px; right: 56px; z-index: 1; color: #d0dae7; font-size: .64rem; letter-spacing: .13em; text-transform: uppercase; }
.science { background: var(--cream); color: #182a3e; }
.science-inner { min-height: 210px; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: 38px; }
.science .eyebrow { color: #3a652f; }
.science h2 { font: 400 clamp(1.65rem, 3vw, 2.5rem)/1.1 Georgia, "Times New Roman", serif; letter-spacing: -.04em; margin: 13px 0 8px; }
.science-copy > p:last-child { color: #425367; font-size: .925rem; line-height: 1.5; max-width: 610px; margin: 0; }
.science img { width: clamp(180px, 23vw, 295px); height: auto; }
footer { background: var(--cream); color: #46576a; }
.footer-inner { border-top: 1px solid #182a3e24; display: flex; justify-content: space-between; padding-block: 20px; font-size: .75rem; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; clip-path: inset(50%); white-space: nowrap; overflow: hidden; }
@media (max-width: 950px) {
  .wrap { width: calc(100% - 64px); }
  .product { right: -32px; left: 39%; }
  .product figcaption { right: 32px; }
  .intro { width: 52%; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 40px); }
  .header-inner { min-height: 71px; }
  .header-link { font-size: .77rem; padding: 9px 11px; }
  .wordmark { width: 120px; height: 49px; }
  .wordmark img { width: 148px; height: 148px; }
  .hero-inner { display: grid; min-height: 0; }
  .intro { grid-row: 1; width: 100%; padding-block: 43px 0; }
  h1 { font-size: clamp(3.8rem, 12vw, 5.25rem); margin: 21px 0 17px; }
  .description { font-size: 1rem; margin-bottom: 23px; }
  .signup { padding: 15px; }
  .product { grid-row: 2; position: relative; inset: auto; margin-inline: -20px; height: clamp(285px, 71vw, 430px); }
  .product img { mask-image: linear-gradient(180deg, transparent, #000 15%); }
  .product figcaption { bottom: 15px; right: 20px; }
  .science-inner { align-items: flex-start; flex-direction: column; gap: 16px; padding-block: 31px 24px; }
  .science img { width: 190px; margin-left: -12px; }
}
@media (max-width: 370px) {
  .form-row { flex-direction: column; }
  button { text-align: center; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.consent { display:flex; align-items:flex-start; gap:8px; margin:12px 0; color:var(--soft); font-size:.75rem; line-height:1.45; }
.consent input { width:16px; min-height:16px; margin:1px 0 0; flex:none; }
#turnstile { margin-top:8px; }
button:disabled { opacity:.65; cursor:wait; }