:root {
  --bg: #E9EDEE;
  --bg-raised: #F5F7F7;
  --fg: #14181C;
  --fg-dim: #55636A;
  --line: rgba(20,24,28,0.16);
  --line-strong: rgba(20,24,28,0.30);
  --brass: #8A5A22;
  --brass-ink: #6E4519;
  --ok: #2F6B4C;
  --critical: #932F29;
  --font-display: 'Big Shoulders', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161A;
    --bg-raised: #1A1F24;
    --fg: #E9EDEE;
    --fg-dim: #9AA7AC;
    --line: rgba(233,237,238,0.16);
    --line-strong: rgba(233,237,238,0.32);
    --brass: #D9A24A;
    --brass-ink: #E8B968;
    --ok: #5FAE84;
    --critical: #E5766D;
  }
}
:root[data-theme="dark"] {
  --bg: #12161A;
  --bg-raised: #1A1F24;
  --fg: #E9EDEE;
  --fg-dim: #9AA7AC;
  --line: rgba(233,237,238,0.16);
  --line-strong: rgba(233,237,238,0.32);
  --brass: #D9A24A;
  --brass-ink: #E8B968;
  --ok: #5FAE84;
  --critical: #E5766D;
}
:root[data-theme="light"] {
  --bg: #E9EDEE;
  --bg-raised: #F5F7F7;
  --fg: #14181C;
  --fg-dim: #55636A;
  --line: rgba(20,24,28,0.16);
  --line-strong: rgba(20,24,28,0.30);
  --brass: #8A5A22;
  --brass-ink: #6E4519;
  --ok: #2F6B4C;
  --critical: #932F29;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header__brand {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: 1.35rem; letter-spacing: 0.5px;
}
.site-header__nav { display: flex; align-items: center; gap: 1.75rem; }
.site-header__nav a:not(.btn) {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--fg-dim);
}
.site-header__nav a:not(.btn):hover { color: var(--fg); }
.site-header__nav a:not(.btn)[aria-current="true"] { color: var(--brass); }
@media (max-width: 640px) {
  .site-header { padding: 0.9rem 1rem; }
  .site-header__brand { font-size: 1.1rem; }
  .site-header__nav { gap: 0.65rem; }
  .site-header__nav .btn { padding: 0.55rem 0.85rem; font-size: 0.75rem; }
  /* "How it works" is an in-page anchor, fine to drop on mobile — but the
     language toggle (.lang-link) and Apply button are the two things a
     mobile visitor actually needs, so they stay visible. */
  .site-header__nav a:not(.btn):not(.lang-link) { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.5px; text-transform: uppercase;
  padding: 0.7rem 1.3rem; border-radius: 3px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--brass); color: var(--bg); }
.btn--primary:hover { opacity: 0.9; }
.btn--ghost { border-color: var(--line-strong); color: var(--fg); }
.btn--ghost:hover { border-color: var(--brass); }
.btn--block { width: 100%; padding: 0.85rem 1.3rem; }

/* Hero */
.hero {
  padding: 6rem 1.5rem 5rem;
  text-align: center;
}
.hero__kicker {
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--brass); margin-bottom: 1.25rem;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(1.9rem, 9vw, 4.5rem); line-height: 1.02; letter-spacing: 0.5px;
  text-wrap: balance; max-width: 22ch; margin: 0 auto 1.5rem;
}
.hero p.lede {
  font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--fg-dim);
  max-width: 40ch; margin: 0 auto 2.25rem;
}
.hero__ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Section shell */
.section { padding: 5rem 1.5rem; border-top: 1px solid var(--line); }
.section__kicker {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--brass); margin-bottom: 0.75rem;
}
.section h2 {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.08; letter-spacing: 0.3px;
  text-wrap: balance; max-width: 28ch; margin-bottom: 1rem;
}
.section p.lede { color: var(--fg-dim); font-size: 1.05rem; max-width: 52ch; }

/* Cost-of-spreadsheets pull quote */
.pull { padding: 4.5rem 1.5rem; text-align: center; border-top: 1px solid var(--line); }
.pull blockquote {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem); line-height: 1.25; letter-spacing: 0.2px;
  max-width: 42ch; margin: 0 auto; text-wrap: balance;
}
.pull cite {
  display: block; margin-top: 1.25rem; font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; color: var(--fg-dim);
}

/* Section heading — left accent bar, matching the Concept Proposal doc */
.section__heading { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 0.5rem; }
.section__heading::before { content: ''; width: 4px; height: 1.4rem; background: var(--brass); border-radius: 2px; flex-shrink: 0; }

/* Avatars — role badges, same treatment as the Concept Proposal doc */
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.6rem; height: 2.6rem; min-width: 2.6rem; border-radius: 50%;
  background: var(--brass); color: var(--bg);
  font-family: var(--font-mono); font-weight: 700; font-size: 0.85rem;
}
.roles-legend { display: flex; gap: 1.5rem; margin: 2rem 0 0; flex-wrap: wrap; justify-content: center; }
.roles-legend__item { display: flex; align-items: center; gap: 0.65rem; }
.roles-legend__text { display: flex; flex-direction: column; text-align: left; }
.roles-legend__label { font-weight: 600; font-size: 0.88rem; }
.roles-legend__note { font-size: 0.78rem; color: var(--fg-dim); }

.overview-blocks { display: flex; flex-direction: column; gap: 2.5rem; margin-top: 2.75rem; }
.overview-block__head { display: flex; align-items: center; gap: 0.85rem; margin-bottom: 0.6rem; }
.overview-block h3 {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: 1.25rem; letter-spacing: 0.2px;
  min-width: 0; text-wrap: balance;
}
.overview-block p.intro { color: var(--fg-dim); font-size: 0.95rem; margin-bottom: 0.9rem; max-width: 48rem; }

.bullets { display: flex; flex-direction: column; gap: 0.6rem; }
.bullets li { list-style: none; display: flex; gap: 0.5rem; font-size: 0.95rem; align-items: baseline; flex-wrap: wrap; }
.bullets li::before { content: '\2022'; color: var(--brass); font-weight: 700; flex-shrink: 0; }
.bullets li strong { white-space: nowrap; flex-shrink: 0; }
.bullets li .desc { color: var(--fg-dim); }

/* Apply section */
.apply { padding: 5rem 1.5rem; border-top: 1px solid var(--line); background: var(--bg-raised); }
.apply__inner { max-width: 34rem; margin: 0 auto; }
.apply__inner .section__kicker,
.apply__inner h2,
.apply__inner p.lede { text-align: center; margin-left: auto; margin-right: auto; }
.apply__inner p.lede { margin-bottom: 2.5rem; }

.form-grid { display: grid; gap: 1rem; margin-top: 0.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

label { display: block; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field span {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--fg-dim);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 0.95rem; color: var(--fg);
  background: var(--bg); border: 1px solid var(--line-strong); border-radius: 4px;
  padding: 0.65rem 0.75rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--brass); outline-offset: 1px;
}
.field textarea { resize: vertical; min-height: 5rem; }
.field-error { color: var(--critical); font-size: 0.8rem; }
.honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }

.thanks {
  text-align: center; padding: 2.5rem 1.5rem; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg);
}
.thanks__mark { color: var(--ok); font-family: var(--font-display); font-weight: 900; font-size: 2rem; margin-bottom: 0.75rem; }
.thanks p { color: var(--fg-dim); }

/* Footer */
.site-footer {
  padding: 2.5rem 1.5rem; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
}
.site-footer, .site-footer a {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.5px; color: var(--fg-dim);
}
.site-footer a:hover { color: var(--brass); }