/* Original Thinking — shared visual tokens and responsive waitlist layout. */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/font-0.ttf") format("truetype");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/font-1.ttf") format("truetype");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url("../assets/fonts/font-2.ttf") format("truetype");
}
@font-face {
  font-family: "DM Serif Display";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./dm-serif-display-regular.ttf") format("truetype");
}

:root {
  color-scheme: light;
  --paper: #f8f6ef;
  --ink: #0e0e0e;
  --vermilion: #90a7c4;
  --dusty-blue: #90a7c4;
  --rule: #9a9ca0;
  --muted-ink: #454952;
  --display: "DM Serif Display", Georgia, serif;
  --body: "DM Sans", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-synthesis: style;
}

* { box-sizing: border-box; }
body { margin: 0; }
img { max-width: 100%; }
input, button { font: inherit; }
a { color: inherit; }
::selection { color: var(--ink); background: var(--dusty-blue); }
.page { width: min(100%, 1216px); margin: 0 auto; padding: 30px 38px 24px; }

.masthead { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-bottom: 23px; border-bottom: 1px solid var(--rule); }
.brand { display: flex; align-items: center; gap: 17px; }
.brand-mark { display: block; flex: 0 0 auto; width: 57px; height: 57px; }
.brand-name { margin: 0; font-size: clamp(20px, 2vw, 26px); font-weight: 400; letter-spacing: -.025em; line-height: 1.2; }
.byline { margin: 0; font-size: 12px; font-weight: 500; line-height: 1.5; letter-spacing: .035em; white-space: nowrap; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); grid-template-areas: "copy artwork"; align-items: center; gap: 22px; padding: 35px 0 34px; }
.hero-copy { grid-area: copy; min-width: 0; padding: 10px 0 0 8px; }
h1 { margin: 0 0 25px; font-family: var(--display); font-size: clamp(56px, 7.2vw, 87px); font-weight: 400; line-height: .87; letter-spacing: -.058em; }
h1 span { display: block; }
.supporting, .promise { max-width: 505px; margin: 0; font-size: clamp(17px, 1.7vw, 21px); line-height: 1.34; letter-spacing: .005em; }
.promise { max-width: 480px; margin-top: 25px; }
.invitation { margin: 17px 0 16px; font-size: 17px; line-height: 1.4; font-style: italic; }
.hero-art { grid-area: artwork; display: block; width: 100%; margin: 0; align-self: center; }
.hero-art img { display: block; width: 100%; height: auto; aspect-ratio: 550 / 575; object-fit: contain; mix-blend-mode: multiply; }

.signup { max-width: 535px; }
.form-fields { display: grid; grid-template-columns: minmax(0, 1fr) 180px; gap: 7px; align-items: end; }
.field-label { grid-column: 1 / -1; font-size: 14px; font-weight: 400; line-height: 1.3; }
input[type="email"] { display: block; width: 100%; min-width: 0; min-height: 52px; padding: 13px 15px; border: 1px solid var(--rule); border-radius: 5px; background: transparent; color: var(--ink); font-size: 16px; line-height: 1.4; }
input:disabled { opacity: .68; }
button { display: flex; align-items: center; justify-content: center; min-height: 52px; width: 100%; padding: 12px 15px; border: 1px solid var(--vermilion); border-radius: 5px; background: var(--vermilion); color: var(--ink); font-size: 17px; font-weight: 600; line-height: 1.35; cursor: pointer; transition: background .15s ease; }
button:hover { background: #7c96b7; border-color: #7c96b7; }
button:disabled { cursor: wait; opacity: .7; }
button[data-done="true"] { cursor: default; opacity: 1; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
.form-status { margin: 0; font-size: 14px; line-height: 1.45; }
.form-status:not(:empty) { margin-top: 13px; }
.form-status[data-state="error"] { font-weight: 600; }
.visually-hidden, .honeypot { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

.framework { border-top: 1px solid var(--rule); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; margin: 0; padding: 21px 0 0; }
.steps li { padding: 12px 31px 8px; }
.steps li:first-child { padding-left: 8px; }
.steps li:last-child { padding-right: 8px; }
.steps li + li { border-left: 1px solid var(--rule); }
.step-number { display: block; margin-bottom: 7px; font-size: 12px; line-height: 1.4; }
.steps h2 { margin: 0 0 10px; font-family: var(--display); font-size: clamp(24px, 2.65vw, 32px); font-weight: 400; line-height: 1.04; letter-spacing: -.045em; }
.steps p { margin: 0; font-size: 18px; line-height: 1.35; letter-spacing: .005em; }
.ai-note { margin: 29px 0 18px; color: var(--muted-ink); font-size: 13px; line-height: 1.5; text-align: center; letter-spacing: .025em; }

.hosts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding: 15px 8px 0; border-top: 1px solid var(--rule); }
.host:last-child { text-align: right; }
.host-name { margin: 0 0 4px; font-size: 13px; font-weight: 500; line-height: 1.4; }
.hosts a { color: var(--muted-ink); font-size: 13px; line-height: 1.5; text-decoration: none; text-underline-offset: 3px; }
.hosts a:hover { text-decoration: underline; }

@media (max-width: 800px) {
  .page { max-width: 680px; padding: 24px 24px 23px; }
  .masthead { display: grid; grid-template-columns: 1fr; gap: 0; padding: 0; border: 0; }
  .brand { justify-content: flex-start; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: clamp(16px, 4.6vw, 23px); letter-spacing: -.03em; }
  .byline { padding-top: 9px; font-size: 10px; text-align: center; letter-spacing: .025em; }
  .hero { grid-template-columns: minmax(0, 1fr); grid-template-areas: "artwork" "copy"; gap: 14px; padding: 12px 0 23px; }
  .hero-art img { aspect-ratio: 305 / 94; object-fit: cover; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(43px, 13.6vw, 76px); line-height: .89; letter-spacing: -.055em; margin-bottom: 23px; }
  .supporting, .promise { max-width: none; font-size: 16px; line-height: 1.4; letter-spacing: 0; }
  .promise { margin-top: 17px; }
  .invitation { margin: 17px 0 14px; font-size: 15px; line-height: 1.4; }
  .signup { max-width: none; }
  .form-fields { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .field-label { font-size: 14px; }
  input[type="email"], button { min-height: 49px; }
  button { font-size: 17px; }
  .steps { display: block; padding: 0; }
  .steps li, .steps li:first-child, .steps li:last-child { padding: 12px 0 15px; border-bottom: 1px solid var(--rule); }
  .steps li + li { border-left: 0; }
  .step-number { margin-bottom: 4px; font-size: 11px; }
  .steps h2 { margin-bottom: 7px; font-size: 26px; line-height: 1.08; letter-spacing: -.035em; }
  .steps p { font-size: 15px; line-height: 1.4; letter-spacing: 0; }
  .ai-note { margin: 13px 0; font-size: 11px; letter-spacing: .01em; }
  .hosts { gap: 0; padding: 15px 0 0; }
  .host { padding-right: 12px; }
  .host:last-child { padding: 0 0 0 12px; border-left: 1px solid var(--rule); }
  .host-name, .hosts a { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  button { transition: none; }
}