* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --paper: #f8f0d4;
  --cream: #fff9e8;
  --ink: #1a1a1a;
  --muted: rgba(26, 26, 26, 0.58);
  --line: rgba(26, 26, 26, 0.16);
  --fern: #2d6e40;
  --emerald: #00a651;
  --sage: #dbe8cf;
  --orange: #c96d35;
}

html,
body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  padding: clamp(18px, 4vw, 44px);
}

button,
input,
textarea {
  font: inherit;
}

.fenn-page {
  width: min(1120px, 100%);
  margin: 0 auto;
  border: 1px solid rgba(26, 26, 26, 0.18);
  background: var(--cream);
  box-shadow: 0 22px 60px rgba(26, 26, 26, 0.12);
}

.fenn-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px clamp(18px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.fenn-brand {
  display: grid;
  gap: 2px;
}

.fenn-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0;
}

.fenn-meta,
.fenn-links,
.fenn-kicker,
.fenn-label,
.fenn-note,
.fenn-actions,
.fenn-proof-title,
.fenn-disclosure {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fenn-meta,
.fenn-links,
.fenn-note,
.fenn-disclosure {
  color: var(--muted);
}

.fenn-links {
  display: flex;
  gap: 18px;
  white-space: nowrap;
}

.fenn-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: clamp(24px, 5vw, 54px);
  align-items: start;
  padding: clamp(26px, 5vw, 58px) clamp(18px, 4vw, 40px) clamp(24px, 5vw, 44px);
}

.fenn-main,
.fenn-aside,
.fenn-panel,
.fenn-card,
.fenn-field,
.fenn-proof {
  min-width: 0;
}

.fenn-kicker,
.fenn-label,
.fenn-proof-title {
  color: var(--fern);
}

.fenn-title {
  max-width: 12ch;
  margin: 10px 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.95;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.fenn-copy {
  max-width: 62ch;
  margin: 0;
  color: rgba(26, 26, 26, 0.72);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.fenn-form {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.fenn-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.fenn-field {
  display: grid;
  gap: 7px;
}

.fenn-field label {
  color: rgba(26, 26, 26, 0.68);
  font-size: 12px;
  font-weight: 700;
}

.fenn-field input,
.fenn-field textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(26, 26, 26, 0.18);
  border-radius: 0;
  background: #fffdf2;
  color: var(--ink);
  padding: 13px 14px;
}

.fenn-field input::placeholder,
.fenn-field textarea::placeholder {
  color: rgba(26, 26, 26, 0.42);
}

.fenn-field textarea {
  min-height: 148px;
  resize: vertical;
}

.fenn-button {
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: var(--cream);
  padding: 14px 20px;
  font-weight: 800;
}

.weak .fenn-shell {
  grid-template-columns: minmax(0, 760px);
}

.revised .fenn-title {
  max-width: 20ch;
  font-size: clamp(32px, 4.6vw, 50px);
}

.revised .fenn-shell {
  grid-template-columns: minmax(0, 0.98fr) minmax(300px, 0.8fr);
}

.fenn-panel {
  display: grid;
  gap: 14px;
}

.fenn-card,
.fenn-proof {
  border: 1px solid rgba(26, 26, 26, 0.14);
  background: #fffdf2;
  padding: 17px;
}

.fenn-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
}

.fenn-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--fern);
  color: var(--cream);
  font-size: 16px;
  font-weight: 800;
}

.fenn-card h2,
.fenn-proof h2 {
  margin: 0 0 5px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fenn-card p,
.fenn-proof p,
.fenn-proof li {
  margin: 0;
  color: rgba(26, 26, 26, 0.76);
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.fenn-proof {
  border-color: rgba(45, 110, 64, 0.26);
  background: var(--sage);
}

.fenn-proof ul {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding-left: 18px;
}

.fenn-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
  letter-spacing: 0.04em;
}

.fenn-secondary {
  color: var(--fern);
  border-bottom: 1px solid rgba(45, 110, 64, 0.5);
  padding-bottom: 2px;
}

.fenn-disclosure {
  padding: 16px clamp(18px, 4vw, 40px) 20px;
  border-top: 1px solid var(--line);
  line-height: 1.55;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  body {
    padding: 0;
  }

  .fenn-page {
    border-left: 0;
    border-right: 0;
    box-shadow: none;
  }

  .fenn-nav,
  .fenn-shell {
    grid-template-columns: 1fr;
  }

  .fenn-nav {
    align-items: start;
  }

  .fenn-links {
    gap: 11px;
    flex-wrap: wrap;
    white-space: normal;
  }

  .fenn-shell,
  .revised .fenn-shell {
    grid-template-columns: 1fr;
  }

  .fenn-form-grid {
    grid-template-columns: 1fr;
  }

  .fenn-button {
    width: 100%;
  }
}