/* Acta Fit — the site's structure and type, with the dark palette as the
   default tokens. The front page loads this and then paper.css, which swaps
   the tokens for the app's ivory palette; /dark loads it alone. */

@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("/fonts/bodoni-moda-900.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --bg: #0D0D0E;
  --bg-2: #151516;
  --line: rgba(243, 239, 231, 0.10);
  --line-2: rgba(243, 239, 231, 0.18);
  --bone: #DAD5CC;
  --bone-2: #F3EFE7;
  --mute: #A8A39B;
  --mute-2: #7A766F;
  --bronze: #B69A6C;
  --urgent: #D07A5F;
  --panel: rgba(21, 21, 22, 0.85);
  --panel-2: rgba(21, 21, 22, 0.60);
  --btn-bg: #F3EFE7;
  --btn-bg-hover: #FFFFFF;
  --btn-fg: #111111;
  --num-fg: #111111;
  --glow: rgba(182, 154, 108, 0.10);
  --vignette: rgba(0, 0, 0, 0.60);
  --bust-opacity: 0.10;
  --bust-blend: screen;
  --bust-filter: grayscale(1) contrast(1.15) brightness(0.9) blur(1px);
  --grain-opacity: 0.35;
  --wordmark-shadow: 0 1px 0 rgba(255,255,255,0.04), 0 30px 80px rgba(0,0,0,0.6);
  --display: "Bodoni Moda", "Bodoni 72", "Didot", "Playfair Display", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, Roboto, sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- backdrop: darkened bust + vignette + grain ---------- */
.backdrop {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 0%, var(--glow), transparent 55%),
    radial-gradient(80% 60% at 50% 100%, var(--vignette), transparent 70%),
    var(--bg);
}
.backdrop img {
  position: absolute; left: 50%; top: 42%; width: min(1100px, 130vw);
  transform: translate(-50%, -50%);
  opacity: var(--bust-opacity);
  filter: var(--bust-filter);
  mix-blend-mode: var(--bust-blend);
}
.backdrop::after {
  content: ""; position: absolute; inset: 0;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.85 0 0 0 0 0.83 0 0 0 0 0.8 0 0 0 0.10 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer { position: relative; z-index: 1; }

/* ---------- nav ---------- */
.nav {
  max-width: var(--max); margin: 0 auto; padding: 22px 24px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
  font-family: var(--sans); font-weight: 600; font-size: 16px; letter-spacing: 0.08em; text-transform: uppercase;
}
.brand img { border-radius: 7px; box-shadow: 0 0 0 1px var(--line-2); filter: grayscale(0.3) brightness(0.9); }
.pill {
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--bronze); border: 1px solid rgba(182,154,108,0.45); border-radius: 999px; padding: 5px 11px;
}

/* ---------- hero ---------- */
.hero {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(56px, 10vw, 120px) 24px 56px;
  text-align: center;
}
.wordmark {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(64px, 15.5vw, 208px);
  line-height: 0.86;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--bone);
  text-shadow: var(--wordmark-shadow);
  white-space: nowrap;
}
.wordmark span { display: block; }
.sub {
  max-width: 640px; margin: 28px auto 0;
  font-size: 18px; line-height: 1.6; color: var(--mute);
}
.sub b { color: var(--bone-2); font-weight: 600; }

.join { max-width: 560px; margin: 36px auto 0; text-align: left; }
.join-row, .name-row {
  display: flex; gap: 8px; padding: 6px;
  background: var(--panel);
  border: 1px solid var(--line-2); border-radius: 14px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.join-row:focus-within, .name-row:focus-within { border-color: rgba(182,154,108,0.6); box-shadow: 0 0 0 4px rgba(182,154,108,0.12); }
.join-row input, .name-row input {
  flex: 1 1 auto; min-width: 0; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 17px; color: var(--bone-2); padding: 11px 14px;
}
.join-row input::placeholder, .name-row input::placeholder { color: var(--mute-2); }
.name-row { margin-bottom: 8px; }
.name-row input { flex: 1 1 0; }
.name-row input + input { border-left: 1px solid var(--line-2); }
.join-row button {
  flex: 0 0 auto; border: 0; cursor: pointer;
  font: inherit; font-size: 15px; font-weight: 600; letter-spacing: 0.01em;
  color: var(--btn-fg); background: var(--btn-bg); border-radius: 10px; padding: 12px 18px;
  transition: transform 120ms ease, background 160ms ease;
}
.join-row button:hover { background: var(--btn-bg-hover); }
.join-row button:active { transform: scale(0.98); }
.join-row button[disabled] { opacity: 0.7; cursor: progress; }
.join-note { margin: 12px 2px 0; font-size: 14px; color: var(--mute); text-align: center; }
.join-note.err { color: var(--urgent); }
#turnstile:not(:empty) { margin-top: 12px; }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.joined {
  max-width: 560px; margin: 36px auto 0; padding: 20px 22px; text-align: left;
  border: 1px solid var(--line-2); border-left: 3px solid var(--bronze); border-radius: 14px;
  background: var(--panel);
}
.joined-title { margin: 0 0 6px; font-family: var(--sans); font-weight: 600; font-size: 22px; letter-spacing: -0.01em; color: var(--bone-2); }
.joined-body { margin: 0; color: var(--mute); font-size: 15px; }

/* ---------- proof row ---------- */
.proof {
  max-width: var(--max); margin: 64px auto 0; padding: 0 24px;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.proof article { background: var(--bg); padding: 28px 24px; }
.proof h2 {
  margin: 0 0 10px; font-family: var(--sans); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; color: var(--bone-2);
}
.proof p { margin: 0; color: var(--mute); font-size: 15.5px; line-height: 1.6; }

/* ---------- steps ---------- */
.steps { max-width: 720px; margin: 80px auto 0; padding: 0 24px; }
.steps h2 {
  margin: 0 0 22px; text-align: center;
  font-family: var(--sans); font-weight: 600; font-size: 28px; letter-spacing: -0.015em; color: var(--bone-2);
}
.steps ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.steps li {
  display: grid; grid-template-columns: 32px 1fr; gap: 14px; align-items: center;
  padding: 16px 18px; border: 1px solid var(--line-2); border-radius: 14px; color: var(--mute);
  background: var(--panel-2);
}
.steps li strong { color: var(--bone-2); font-weight: 600; }
.num {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--sans); font-weight: 700; font-size: 14px; color: var(--num-fg); background: var(--bronze);
}
.steps-cta { margin: 26px 0 0; text-align: center; }
.btn-ghost {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: 15px;
  color: var(--bone-2); border: 1px solid var(--line-2); border-radius: 10px; padding: 11px 16px;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.btn-ghost:hover { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }

/* ---------- footer ---------- */
footer {
  max-width: var(--max); margin: 96px auto 0; padding: 24px 24px 40px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between;
  font-size: 14px; color: var(--mute);
}
.foot-links { display: flex; gap: 18px; }
.foot-links a { text-decoration: none; color: var(--mute); }
.foot-links a:hover { color: var(--bone-2); }
footer p { margin: 0; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 880px) {
  .proof { grid-template-columns: 1fr; }
  .wordmark { white-space: normal; }
}
@media (max-width: 520px) {
  .join-row { flex-direction: column; padding: 8px; }
  .name-row { padding: 8px; }
  .join-row button { padding: 13px 18px; }
}