/* Layout: a calm white site under Referral Madness's slate-teal band; one
   teal hero with a live-looking dashboard, then airy sections on paper. */
:root {
  --bg: #f5f8f8;
  --paper: #ffffff;
  --ink: #0f1b2b;
  --muted: #536269;
  --line: #dbe4e6;
  --band: #5e818c;          /* the brand's slate teal */
  --band-ink: #ffffff;
  --teal: #3d6470;          /* teal dark enough for text on white */
  --rose: #a86e7e;          /* the brand's dusty rose, deepened for text */
  --rose-soft: #f6e9ec;
  --sage: #4d7a5d;
  --sage-soft: #e5f0e8;
  --chip: #eef3f4;
  --display: "Playfair Display SC", Georgia, "Times New Roman", serif;
  --body: "Open Sans", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1518; --paper: #142024; --ink: #e5eef0; --muted: #9db0b6; --line: #24363b;
    --band: #2f4c55; --band-ink: #f2f7f8; --teal: #8fbcc8; --rose: #d9a9b6; --rose-soft: #3a252b;
    --sage: #93c3a2; --sage-soft: #1f3327; --chip: #1b2a2f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1518; --paper: #142024; --ink: #e5eef0; --muted: #9db0b6; --line: #24363b;
  --band: #2f4c55; --band-ink: #f2f7f8; --teal: #8fbcc8; --rose: #d9a9b6; --rose-soft: #3a252b;
  --sage: #93c3a2; --sage-soft: #1f3327; --chip: #1b2a2f; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--body); font-variant-ligatures: no-common-ligatures; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
a { color: var(--teal); }
h1, h2, h3 { text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--rose); outline-offset: 2px; }

.wrap, .topbar-in, .hero-in, .footer-in {
  max-width: 1120px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Top bar */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--paper); border-bottom: 1px solid var(--line); }
.topbar-in { display: flex; align-items: center; gap: 24px; padding-block: 12px; }
.brand { font: 700 22px/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: .01em; white-space: nowrap; }
.brand-sm { font-size: 18px; }
.topnav { display: flex; gap: 20px; margin-right: auto; }
.topnav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px; }
.topnav a:hover, .topnav a[aria-current="page"] { color: var(--ink); }

.btn { display: inline-block; padding: 10px 18px; border-radius: 6px; background: var(--teal); color: var(--paper);
  font: 600 15px/1.2 var(--body); text-decoration: none; border: 2px solid transparent; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn-signin { padding: 8px 16px; }
.btn-light { background: var(--band-ink); color: var(--band); }
.btn-ghost { background: transparent; color: var(--band-ink); border-color: color-mix(in srgb, var(--band-ink) 60%, transparent); }
.btn-wide { width: 100%; padding: 14px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; filter: none; }

/* Hero */
.hero { background: var(--band); color: var(--band-ink); }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; padding-block: 64px 72px; }
.eyebrow { font: 700 13px/1 var(--body); letter-spacing: .16em; text-transform: uppercase; opacity: .85; margin-bottom: 18px; }
.hero h1 { font: 700 clamp(34px, 5vw, 56px)/1.08 var(--display); margin: 0 0 20px; }
.lede { font-size: 18px; max-width: 34em; opacity: .95; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.glimpse, .seats { margin: 0; background: var(--paper); color: var(--ink); border-radius: 10px; padding: 18px;
  box-shadow: 0 18px 40px -18px rgba(5, 20, 30, .45); }
figcaption { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 14px; margin-bottom: 10px; }
.tag { font: 600 11px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--chip); padding: 5px 8px; border-radius: 99px; }
.glimpse ul, .seats ul { list-style: none; margin: 0; padding: 0; }
.item { position: relative; padding: 12px 0 12px; border-top: 1px solid var(--line); padding-right: 92px; }
.item-kind { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--rose); }
.item-who { font-weight: 600; font-size: 15px; }
.item-meta { font-size: 13px; color: var(--muted); }
.pill { position: absolute; right: 0; top: 14px; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px; }
.pill-new { background: var(--rose-soft); color: var(--rose); }
.pill-open { background: var(--chip); color: var(--teal); }
.pill-won { background: var(--sage-soft); color: var(--sage); }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; border-top: 1px solid var(--line); padding-top: 12px; }
.tiles b { display: block; font: 700 22px/1.1 var(--display); font-variant-numeric: tabular-nums; }
.tiles span { font-size: 12px; color: var(--muted); }

/* Features */
.features { padding-block: 80px 64px; }
.helps { font: 700 clamp(28px, 4vw, 40px)/1.1 var(--display); color: var(--teal); margin-bottom: 32px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 48px; }
.feature { border-top: 3px solid var(--band); padding-top: 16px; }
.feature h2 { font: 700 22px/1.2 var(--display); margin: 0 0 8px; }
.feature h2::before { content: "…"; color: var(--rose); margin-right: 2px; }
.feature p { color: var(--muted); }

/* How a referral moves */
.how { background: var(--paper); border-block: 1px solid var(--line); padding-block: 72px; }
.how-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.section-title { font: 700 clamp(26px, 3.5vw, 34px)/1.15 var(--display); margin: 0 0 12px; }
.section-lede { color: var(--muted); max-width: 38em; margin-bottom: 24px; }
.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 18px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; }
.steps li::before { content: counter(step); grid-row: span 2; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--band); color: var(--band-ink); font: 700 16px/1 var(--display); }
.steps b { font-size: 17px; }
.steps span { color: var(--muted); }
.seats { box-shadow: none; border: 1px solid var(--line); background: var(--bg); }
.seats ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.seat { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font-size: 14px; font-weight: 600; }
.seat small { display: block; font-weight: 400; font-size: 12px; color: var(--sage); }
.seat-open { border-style: dashed; color: var(--muted); background: transparent; }
.seat-open small { color: var(--rose); }
.seats-note { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* Chapters */
.chapters-strip { padding-block: 72px; }
.chapter-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.chapter { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 16px; display: grid; gap: 2px; align-content: start; }
.chapter-name { font: 700 18px/1.25 var(--display); }
.chapter-area { color: var(--teal); font-weight: 600; font-size: 14px; }
.chapter-time { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.chapter-ask { margin-top: 10px; font-weight: 600; font-size: 14px; }
.strip-cta { margin-top: 28px; }
.page-head { background: var(--band); color: var(--band-ink); padding-block: 48px; }
.page-head h1 { font: 700 clamp(32px, 5vw, 48px)/1.1 var(--display); margin: 0 0 8px; }
.page-head .section-lede { color: var(--band-ink); opacity: .92; margin: 0; }
.chapter-page { padding-block: 40px 72px; }
.chapter-list-lg { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Sign in */
.signin { padding-block: 64px 96px; display: grid; place-items: center; }
.signin-card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 32px; max-width: 440px; width: 100%; display: grid; gap: 16px; }
.signin-card h1 { font: 700 32px/1.1 var(--display); margin: 0; }
.signin-card p { color: var(--muted); }
.soon { color: var(--teal); font-weight: 600; }

/* Footer */
.footer { background: var(--paper); border-top: 1px solid var(--line); }
.footer-in { padding-block: 32px; display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.fine { font-size: 12px; color: var(--muted); }

@media (max-width: 900px) {
  .hero-in, .how-in { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chapter-list, .chapter-list-lg { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .topnav { display: none; }
  .topbar-in { justify-content: space-between; }
  .hero-in { padding-block: 40px 48px; }
  .feature-grid, .chapter-list, .chapter-list-lg { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .chapter-list { gap: 12px; }
  .seats ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tiles b { font-size: 18px; }
}
/* The smallest phones: keep the brand and Sign in on one line. */
@media (max-width: 380px) {
  .brand { font-size: 18px; }
  .btn-signin { padding: 7px 12px; }
}