:root {
  --garnet: #73000a;
  --garnet-dark: #4e0007;
  --gold: #f7b93e;
  --ink: #1f2933;
  --muted: #52616b;
  --surface: #ffffff;
  --surface-muted: #f4f6f7;
  --line: #d9dee2;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--garnet); }
a:focus-visible, .button:focus-visible { outline: 3px solid #1a73a8; outline-offset: 3px; }
.wrap { width: min(calc(100% - 40px), var(--max-width)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 0; padding: .6rem 1rem; color: #fff; background: var(--garnet-dark); z-index: 10; }
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header { border-top: 8px solid var(--garnet); background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.wordmark { display: flex; align-items: center; gap: .75rem; color: var(--ink); font-weight: 700; text-decoration: none; }
.wordmark-mark { display: inline-grid; place-items: center; padding: .34rem .45rem; color: #fff; background: var(--garnet); font-size: .78rem; letter-spacing: .05em; }
.usc-label { color: var(--muted); font-size: .88rem; white-space: nowrap; }

.hero { padding: 5.3rem 0 5rem; color: #fff; background: linear-gradient(120deg, var(--garnet-dark), var(--garnet)); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .7fr); gap: 3.5rem; align-items: center; }
.eyebrow { margin: 0 0 .55rem; color: var(--garnet); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero .eyebrow { color: #f8d98b; }
h1, h2, h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; line-height: 1.15; }
h1 { max-width: 750px; font-size: clamp(2.45rem, 5vw, 4.5rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.65rem); letter-spacing: -.02em; }
h3 { font-size: 1.35rem; }
.hero-copy { max-width: 690px; margin: 1.4rem 0 2rem; color: #f9f3f3; font-size: 1.13rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.button { display: inline-block; padding: .72rem 1.1rem; border: 2px solid transparent; border-radius: 3px; font-weight: 700; line-height: 1.25; text-align: center; text-decoration: none; transition: background .15s, color .15s, border .15s; }
.button-primary { color: #241600; background: var(--gold); }
.button-primary:hover { background: #ffd368; }
.button-secondary { color: #fff; border-color: #fff; }
.button-secondary:hover { color: var(--garnet-dark); background: #fff; }
.button.is-unset { cursor: not-allowed; opacity: .55; }
.hero-note { padding: 1.6rem 1.7rem; border-left: 4px solid var(--gold); background: rgba(255,255,255,.11); }
.hero-note h2 { font-size: 1.45rem; }
.hero-note ul { margin: .8rem 0 0; padding-left: 1.2rem; }
.hero-note li + li { margin-top: .35rem; }

.section { padding: 5rem 0; }
.section-intro { max-width: 770px; }
.section-intro p:last-child { margin: 1rem 0 0; color: var(--muted); font-size: 1.08rem; }
.section-muted { background: var(--surface-muted); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.step { padding: 1.55rem; border-top: 4px solid var(--garnet); background: #fff; box-shadow: 0 2px 12px rgba(31,41,51,.07); }
.step-number { display: inline-block; margin-bottom: .85rem; color: var(--garnet); font-weight: 800; }
.step p { margin: .7rem 0 0; color: var(--muted); }
.contribution { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(250px, .7fr); gap: 3rem; align-items: center; }
.contribution p:not(.eyebrow) { color: var(--muted); }
.contribution-action { padding: 1.7rem; border: 1px solid var(--line); background: var(--surface-muted); text-align: center; }
.contribution-action .button { width: 100%; }
.fine-print { margin: .8rem 0 0; font-size: .85rem; }
.site-footer { padding: 1.3rem 0; color: #e8e8e8; background: #263238; font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.footer-inner p { margin: 0; }
.footer-inner a { color: #fff; }

@media (max-width: 700px) {
  .header-inner, .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1rem; }
  .usc-label { white-space: normal; }
  .hero { padding: 3.8rem 0; }
  .hero-grid, .contribution, .steps { grid-template-columns: 1fr; }
  .hero-grid { gap: 2rem; }
  .section { padding: 3.6rem 0; }
}
