/* Umbral — brand tokens */
:root {
  --ink: #14130F;
  --ink-2: #24221C;
  --sand: #F3EDE3;
  --sand-2: #E9E0D2;
  --stone: #D9CFBF;
  --paper: #FBF8F3;
  --muted: #6B655A;
  --light: #C2562F;      /* "the light under the door" */
  --light-soft: #E07A4F;
  --brass: #B8925A;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 14px;
  --wrap: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; letter-spacing: -0.01em; }
h1 { font-size: clamp(44px, 6.4vw, 84px); font-variation-settings: "opsz" 144; }
h2 { font-size: clamp(32px, 4vw, 52px); max-width: 18ch; }
h3 { font-size: 24px; line-height: 1.2; }
em { font-style: italic; color: var(--light); }

.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--light); }
.eyebrow--light { color: var(--stone); }
.lead { font-size: 20px; color: var(--ink-2); max-width: 34ch; margin-top: 28px; }
.muted { color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 26px; border-radius: 999px;
  background: var(--ink); color: var(--sand);
  font-weight: 500; font-size: 15px; border: 1.5px solid var(--ink);
  cursor: pointer; transition: background .2s, color .2s, transform .2s;
  font-family: var(--sans);
}
.btn:hover { background: var(--light); border-color: var(--light); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { color: var(--sand); }
.btn--small { padding: 10px 18px; font-size: 14px; }
.btn--light { background: var(--sand); color: var(--ink); border-color: var(--sand); margin-top: 48px; }
.btn--full { width: 100%; }
.link { display: inline-block; margin-top: 28px; font-weight: 600; border-bottom: 1.5px solid currentColor; padding-bottom: 2px; }
.link:hover { color: var(--light); }

/* Brand */
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark { width: 34px; height: 34px; color: var(--ink); }
.brand__word {
  font-family: var(--serif); font-weight: 500; font-size: 22px;
  letter-spacing: .28em; text-transform: uppercase;
}
.brand__word--light { color: var(--sand); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.is-scrolled { border-color: var(--stone); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.nav__links { display: flex; gap: 36px; font-size: 15px; }
.nav__links a { color: var(--muted); transition: color .2s; }
.nav__links a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 72px 0 96px; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero__visual { position: relative; height: 560px; }
.arch {
  position: absolute; inset: 0 40px 0 40px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  overflow: hidden;
}
.arch::after { /* threshold line */
  content: ""; position: absolute; left: -40px; right: -40px; bottom: 0; height: 10px; background: var(--ink);
}
.arch__glow {
  position: absolute; left: 50%; bottom: 0; width: 34%; height: 78%;
  background: linear-gradient(180deg, var(--light-soft), var(--light));
  border-radius: 999px 999px 0 0;
  box-shadow: 0 0 120px 30px rgba(224, 122, 79, .45);
  animation: open 2.4s cubic-bezier(.2,.7,.2,1) both;
  transform-origin: left bottom;
}
@keyframes open { from { width: 0; opacity: .4; } to { width: 34%; opacity: 1; } }

.deal-card {
  position: absolute; left: -12px; bottom: 56px; width: 270px;
  background: var(--paper); border-radius: var(--radius); padding: 22px;
  box-shadow: 0 30px 60px -20px rgba(20,19,15,.35);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-10px); } }
.deal-card__top, .deal__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.deal-card__type { font-family: var(--serif); font-size: 22px; }
.deal-card__meta { font-size: 13px; color: var(--muted); }
.deal-card__rows {
  display: grid; grid-template-columns: 1fr auto; gap: 8px 12px;
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--stone); font-size: 14px;
}
.blur { filter: blur(5px); user-select: none; font-weight: 600; }

.tag {
  font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px; background: var(--sand-2); color: var(--ink);
}
.tag--light { background: rgba(243,237,227,.1); color: var(--sand); }
.lock { font-size: 11px; font-weight: 600; letter-spacing: .1em; color: var(--light); display: flex; align-items: center; gap: 6px; }
.lock::before {
  content: ""; width: 10px; height: 12px; border-radius: 2px; background: currentColor;
  -webkit-mask: radial-gradient(circle at 50% 30%, transparent 2px, #000 2.5px);
}
.lock--light { color: var(--light-soft); }

/* Promises */
.promises { border-top: 1px solid var(--stone); border-bottom: 1px solid var(--stone); }
.promises__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.promises__grid div { padding: 36px 24px; border-left: 1px solid var(--stone); }
.promises__grid div:first-child { border-left: 0; padding-left: 0; }
.promises strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 44px; line-height: 1; }
.promises span { display: block; color: var(--muted); font-size: 14px; margin-top: 8px; }

/* Sections */
.section { padding: 128px 0; }
.section--sand { background: var(--sand); }
.section--ink { background: var(--ink); color: var(--sand); }
.section--ink .muted { color: #A39C8E; }
.section__head { margin-bottom: 64px; }
.section__head--split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; }
.section__head--split .muted { max-width: 46ch; }

/* Sides */
.sides { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.side { padding: 48px; border-radius: var(--radius); background: var(--sand); scroll-margin-top: 100px; }
.side--dark { background: var(--ink); color: var(--sand); }
.side--dark .ticks li::before { background: var(--light-soft); }
.side--dark > p:not(.side__label) { color: #C9C1B3; }
.side__label { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--light); margin-bottom: 20px; }
.side--dark .side__label { color: var(--light-soft); }
.side h3 { font-size: 34px; margin-bottom: 16px; }
.side > p { color: var(--ink-2); }
.ticks { list-style: none; margin-top: 28px; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 26px; font-size: 15px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 10px; height: 10px;
  border-radius: 5px 5px 0 0; background: var(--light);
}

/* Steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: s; }
.steps li { border-top: 2px solid var(--ink); padding-top: 28px; }
.steps__n { font-family: var(--serif); font-style: italic; color: var(--light); font-size: 20px; }
.steps h3 { margin: 18px 0 12px; }
.steps p { color: var(--muted); font-size: 15px; }

/* Assets */
.assets { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--stone); }
.asset { padding: 36px 32px 40px 0; border-bottom: 1px solid var(--stone); transition: padding .3s; }
.asset:not(:nth-child(3n+1)) { padding-left: 32px; border-left: 1px solid var(--stone); }
.asset__i { font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: .1em; }
.asset h3 { margin: 40px 0 10px; font-size: 28px; }
.asset p { color: var(--muted); font-size: 15px; }
.asset:hover h3 { color: var(--light); }

/* Deals */
.deals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.deal {
  padding: 28px; border-radius: var(--radius);
  border: 1px solid rgba(243,237,227,.14); background: var(--ink-2);
  transition: border-color .3s, transform .3s;
}
.deal:hover { border-color: var(--light-soft); transform: translateY(-4px); }
.deal h3 { font-size: 24px; margin-top: 8px; }
.deal__meta { color: #A39C8E; font-size: 14px; margin-top: 8px; }
.deal dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(243,237,227,.14); font-size: 14px; }
.deal dt { color: #A39C8E; }
.deal dd { text-align: right; font-weight: 500; }

/* Why */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.why__intro .muted { margin-top: 28px; max-width: 44ch; }
.why__list { display: grid; gap: 0; }
.why__item { padding: 28px 0; border-bottom: 1px solid var(--stone); }
.why__item:first-child { padding-top: 0; }
.why__item h3 { font-size: 22px; margin-bottom: 8px; }
.why__item p { color: var(--muted); font-size: 15px; }

/* Manifesto */
.manifesto { padding: 120px 0; background: var(--paper); border-top: 1px solid var(--stone); }
.manifesto blockquote {
  font-family: var(--serif); font-weight: 300; font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.15; text-align: center; max-width: 22ch; margin: 0 auto; letter-spacing: -0.01em;
}

/* Contact */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.contact__copy .muted { margin-top: 24px; max-width: 40ch; }
.contact__facts { list-style: none; margin-top: 40px; display: grid; gap: 14px; font-size: 15px; }
.contact__facts span { display: inline-block; width: 96px; color: var(--muted); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; }
.contact__facts a { border-bottom: 1px solid currentColor; }

.form { background: var(--paper); padding: 40px; border-radius: var(--radius); display: grid; gap: 20px; box-shadow: 0 30px 60px -40px rgba(20,19,15,.4); }
.form__roles { border: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form__roles legend { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; width: 100%; }
.form__roles label { cursor: pointer; }
.form__roles input { position: absolute; opacity: 0; pointer-events: none; }
.form__roles span { display: inline-block; padding: 9px 16px; border-radius: 999px; border: 1.5px solid var(--stone); font-size: 14px; font-weight: 500; transition: all .2s; }
.form__roles input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--sand); }
.form__roles input:focus-visible + span { outline: 2px solid var(--light); outline-offset: 2px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.field input, .field textarea {
  font: inherit; font-size: 16px; color: var(--ink);
  padding: 13px 14px; border-radius: 10px; border: 1.5px solid var(--stone); background: #fff;
  transition: border-color .2s; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.field.is-invalid input { border-color: var(--light); }
.check { display: flex; gap: 10px; font-size: 14px; color: var(--muted); align-items: flex-start; cursor: pointer; }
.check input { margin-top: 4px; accent-color: var(--light); }
.form__ok { padding: 14px 16px; border-radius: 10px; background: var(--sand); font-size: 15px; }

/* Footer */
.footer { background: var(--ink); color: var(--stone); padding: 64px 0 40px; }
.footer__inner { display: grid; grid-template-columns: 1fr auto; gap: 40px; }
.footer__brand { display: flex; gap: 14px; align-items: center; }
.footer__brand .brand__word { font-size: 20px; }
.footer__tag { font-size: 13px; color: #A39C8E; }
.footer__links { display: flex; gap: 28px; align-items: center; font-size: 14px; }
.footer__links a:hover { color: var(--light-soft); }
.footer__legal { grid-column: 1 / -1; padding-top: 32px; border-top: 1px solid rgba(243,237,227,.12); font-size: 13px; color: #8A8377; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .arch__glow, .deal-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 980px) {
  .nav__links { display: none; }
  .hero__grid, .section__head--split, .sides, .why, .contact { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { height: 440px; max-width: 420px; width: 100%; margin: 0 auto; }
  .steps { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .assets, .deals { grid-template-columns: 1fr 1fr; }
  .asset:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .asset:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--stone); }
  .promises__grid { grid-template-columns: 1fr 1fr; }
  .promises__grid div:nth-child(3) { border-left: 0; padding-left: 0; }
  .promises__grid div:nth-child(-n+2) { border-bottom: 1px solid var(--stone); }
  .section { padding: 96px 0; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav__inner { height: 64px; }
  .brand__word { font-size: 18px; }
  .hero { padding: 40px 0 72px; }
  .lead { font-size: 18px; }
  .hero__visual { height: 380px; }
  .arch { inset: 0 24px; }
  .deal-card { left: 0; bottom: 32px; width: 240px; }
  .section { padding: 80px 0; }
  .section__head { margin-bottom: 40px; }
  .side { padding: 32px 24px; }
  .side h3 { font-size: 28px; }
  .steps, .assets, .deals, .form__row { grid-template-columns: 1fr; }
  .asset, .asset:nth-child(even) { padding: 28px 0; border-left: 0; }
  .asset h3 { margin-top: 20px; }
  .promises strong { font-size: 34px; }
  .promises__grid div { padding: 24px 12px; }
  .promises__grid div:nth-child(odd) { padding-left: 0; border-left: 0; }
  .form { padding: 24px; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__links { flex-wrap: wrap; gap: 20px; }
  .manifesto { padding: 88px 0; }
}