:root {
  --paper: #f5f4f0;
  --ink: #15192c;
  --ink-soft: #424a5b;
  --ink-faint: #687287;
  --on-navy: #f5f4f0;
  --muted-on-navy: #c5cadd;
  --accent: #9daacb;
  --accent-hover: #b4bfdc;
  --accent-dark: #7c8cb6;
  --on-accent: #10152b;
  --rule: #c9cbd5;
  --rule-soft: #dddde5;
  --error: #8a2a1f;
  --ff-display: "Palatino Linotype", Palatino, Georgia, serif;
  --ff-body: Arial, sans-serif;
  --ff-mono: Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--ink); font-family: var(--ff-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }

.page { position: relative; isolation: isolate; min-height: 100vh; display: flex; flex-direction: column; overflow: hidden; background: radial-gradient(circle at 88% 88%, rgba(118, 132, 208, .28), transparent 48%), linear-gradient(145deg, #07102f, #050925); }
.page-video, .page-overlay { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.page-video { z-index: 0; object-fit: cover; opacity: 1; }
.page-overlay { z-index: 1; background: rgba(255, 255, 255, .7); }
.masthead, main, footer { position: relative; z-index: 2; }
.masthead { padding: 20px clamp(24px, 5vw, 72px) 10px; }
.masthead__inner { width: 100%; max-width: 1180px; min-height: 74px; margin: 0 auto; display: flex; align-items: center; justify-content: center; animation: fadeUp .65s cubic-bezier(.22, .8, .25, 1) both; }
.brand { display: inline-flex; align-items: center; }
.brand img { display: block; width: auto; height: 72px; max-width: 220px; object-fit: contain; filter: brightness(100%) saturate(0%) invert(0%) sepia(0%) saturate(0%) hue-rotate(0) brightness(100%) contrast(100%); }

main { flex: 1; display: flex; align-items: center; padding: clamp(24px, 4vh, 42px) clamp(24px, 5vw, 72px) clamp(40px, 7vh, 78px); }
.grid { width: 100%; max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr); gap: clamp(32px, 6vw, 84px); align-items: stretch; }
.argument { position: relative; isolation: isolate; display: flex; flex-direction: column; justify-content: center; min-height: 520px; padding: clamp(34px, 5vw, 56px); border: 2px solid transparent; border-radius: 18px; background: radial-gradient(circle at 88% 88%, rgba(118, 132, 208, .28), transparent 48%) padding-box, linear-gradient(145deg, #07102f, #050925) padding-box, conic-gradient(from 0deg, #38467f, #b5a0e3, #6677c0, #2f3a79, #38467f) border-box; background-size: 100% 100%, 100% 100%, 260% 260%; background-clip: padding-box, padding-box, border-box; color: var(--on-navy); overflow: hidden; box-shadow: 0 18px 44px rgba(12, 18, 48, .2); animation: fadeUp .65s cubic-bezier(.22, .8, .25, 1) .08s both, borderOrbit 11s linear infinite; }
.eyebrow { margin: 0 0 30px; color: var(--accent); font-family: var(--ff-mono); font-size: 11px; letter-spacing: .14em; line-height: 1.4; text-transform: uppercase; }
h1 { max-width: 16ch; margin: 0 0 24px; font-family: var(--ff-display); font-size: clamp(36px, 3.6vw, 52px); font-weight: 700; line-height: 1.08; letter-spacing: -.035em; }
h1 em { color: var(--accent); font-style: normal; }
.sub { max-width: 38ch; margin: 0 0 20px; color: #faf8f2; font-size: clamp(18px, 1.6vw, 21px); font-weight: 500; line-height: 1.5; }
.body-text { max-width: 38ch; margin: 0; color: var(--muted-on-navy); font-size: 16px; line-height: 1.65; }

.card { align-self: center; width: 100%; background: var(--paper); border: 1px solid var(--rule); border-radius: 16px; overflow: hidden; box-shadow: 0 22px 60px rgba(24, 33, 48, .12); animation: fadeUp .65s cubic-bezier(.22, .8, .25, 1) .18s both; }
.card__stamp { display: flex; align-items: center; justify-content: flex-start; padding: 16px 24px; background: #191d34; color: var(--on-navy); font-size: 18px; font-weight: 700; line-height: 1.3; }
.card__body { padding: 36px clamp(24px, 3vw, 40px) 38px; }
.card__label { margin: 0 0 24px; font-family: var(--ff-display); font-size: 28px; font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
form { display: flex; flex-direction: column; gap: 18px; }
.field label { display: block; margin-bottom: 7px; color: var(--ink-soft); font-size: 13px; font-weight: 600; letter-spacing: .02em; }
.field input { display: block; width: 100%; min-width: 0; max-width: 100%; padding: 14px 15px; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); color: var(--ink); font: 16px/1.45 var(--ff-body); caret-color: var(--accent-dark); transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease; }
.field input::placeholder { color: #89919a; }
.field input:hover { border-color: #beb8aa; }
.field input:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 2px; border-color: var(--accent-dark); background: #fff; box-shadow: 0 0 0 4px rgba(157, 170, 203, .18); }
.field[data-state="error"] input { border-color: var(--error); }
.field__error, .form-status { margin: 6px 0 0; color: var(--error); font-size: 13px; line-height: 1.4; }
.field__error { display: none; }
.field[data-state="error"] .field__error { display: block; }
.form-status:empty { display: none; }
.honeypot { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
button[type="submit"] { display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 54px; margin-top: 7px; padding: 14px 20px; border: 2px solid var(--accent); border-radius: 10px; background: var(--accent); color: var(--on-accent); font: 700 16px var(--ff-body); letter-spacing: .01em; cursor: pointer; transition: background-color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease; }
button[type="submit"]:hover { border-color: var(--accent-hover); background: var(--accent-hover); box-shadow: 0 10px 20px rgba(124, 140, 182, .22); transform: translateY(-1px); }
button[type="submit"]:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
button[type="submit"]:disabled { border-color: #c9cdd3; background: #c9cdd3; color: #6b7076; cursor: wait; transform: none; box-shadow: none; }
.trust-line { margin: 16px 0 0; color: var(--ink-faint); font-size: 12px; line-height: 1.55; text-align: center; }
.success { display: none; padding: 22px 0 8px; text-align: center; }
.success h2 { margin: 0 0 8px; font-family: var(--ff-display); font-size: 28px; line-height: 1.1; }
.success p { margin: 0; color: var(--ink-soft); font-size: 14px; }
form[data-sent="true"] { display: none; }
form[data-sent="true"] + .success { display: block; }

footer { background: #171a2d; color: var(--muted-on-navy); font-size: 12px; line-height: 1.55; text-align: center; animation: fadeUp .65s cubic-bezier(.22, .8, .25, 1) .26s both; }
.footer__inner { max-width: 1180px; margin: 0 auto; padding: 28px clamp(24px, 5vw, 72px) 30px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.footer__logo { display: block; width: auto; height: 62px; max-width: 220px; object-fit: contain; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes borderOrbit { from { background-position: 0 0, 0 0, 0% 50%; } to { background-position: 0 0, 0 0, 100% 50%; } }

@media (max-width: 960px) {
  main { align-items: flex-start; padding-top: 44px; padding-bottom: 54px; }
  .grid { grid-template-columns: 1fr; gap: 28px; }
  .argument { min-height: 440px; }
  h1 { max-width: 12ch; font-size: clamp(40px, 8vw, 58px); }
  .card { width: min(100%, 620px); margin-inline: auto; }
}

@media (max-width: 480px) {
  .masthead { padding: 14px 16px 6px; }
  .masthead__inner { min-height: 66px; }
  .brand img { height: 56px; max-width: 170px; }
  main { padding: 14px 16px 36px; }
  .grid { gap: 20px; }
  .argument { min-height: 0; padding: 32px 24px; border-radius: 12px; box-shadow: none; }
  .eyebrow { margin-bottom: 22px; font-size: 10px; }
  h1 { max-width: none; font-size: 34px; line-height: 1.1; }
  .sub { font-size: 17px; }
  .body-text { font-size: 15px; }
  .card { border-radius: 12px; box-shadow: none; }
  .card__stamp { padding: 15px 18px; font-size: 17px; }
  .card__body { padding: 28px 20px 26px; }
  .card__label { font-size: 25px; }
  .footer__inner { padding: 24px 16px 26px; gap: 10px; }
  .footer__logo { height: 50px; max-width: 180px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-video { display: none; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
