/* DonorMS landing page — Variant A ("Trust-led")
 * Locked 2026-04-17 via .planning/sketches/001-landing-page + DECISIONS.md.
 * Scoped to the landing template only; authenticated pages use static/css/app.css.
 */

:root {
  --teal-dark:    #1a5c6b;
  --teal:         #2a8a9a;
  --teal-soft:    #e8f2f4;
  --lime:         #a8d600;
  --lime-light:   #b8e000;
  --lime-soft:    #f4fae0;
  --navy:         #1a2a4a;
  --navy-soft:    #2a3a5a;

  --color-bg:        #fbfbf9;
  --color-surface:   #ffffff;
  --color-surface-2: #f4f4ef;
  --color-border:    #e4e2dc;
  --color-border-strong: #c8c4b8;
  --color-text:      #15171c;
  --color-text-muted:#5c6472;
  --color-text-soft: #8a8f9b;

  --color-primary:       var(--teal-dark);
  --color-primary-hover: #144852;
  --color-accent:        var(--lime);
  --color-accent-hover:  var(--lime-light);
  --color-on-primary:    #ffffff;
  --color-on-accent:     var(--navy);
  --color-success:       #2e7d45;

  --font-display: 'Fraunces', 'Cambria', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.375rem;
  --text-xl:   1.75rem;
  --text-2xl:  2.25rem;
  --text-3xl:  3rem;
  --text-4xl:  3.75rem;

  --leading-tight:  1.15;
  --leading-snug:   1.35;
  --leading-normal: 1.55;

  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  --radius-xs:   3px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-pill: 9999px;

  --shadow-xs: 0 1px 2px rgba(26,42,74,0.06);
  --shadow-sm: 0 2px 6px rgba(26,42,74,0.08);
  --shadow-md: 0 6px 16px rgba(26,42,74,0.10);
  --shadow-lg: 0 18px 40px rgba(26,42,74,0.14);
  --shadow-focus: 0 0 0 3px rgba(168,214,0,0.35);

  --ease: cubic-bezier(.2,.7,.2,1);
  --dur-fast: 120ms;
  --dur-base: 200ms;

  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em;
  line-height: var(--leading-tight); margin: 0;
}
button { font: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: var(--text-base);
  border: 1px solid transparent;
  transition: all var(--dur-base) var(--ease);
  text-decoration: none; white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn-primary   { background: var(--color-accent); color: var(--color-on-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline   { background: transparent; color: var(--color-text); border-color: var(--color-border-strong); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost     { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-lg        { padding: var(--space-4) var(--space-6); font-size: var(--text-md); }

.eyebrow {
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.nav-shell {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: var(--container); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: var(--space-3); font-weight: 700; letter-spacing: 0.02em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--navy); color: var(--lime);
  display: grid; place-items: center; font-family: var(--font-display); font-size: 18px; font-weight: 700;
}
.brand-type { display: flex; flex-direction: column; line-height: 1.1; font-family: var(--font-sans); font-size: 14px; }
.brand-type strong { color: var(--navy); font-weight: 700; letter-spacing: 0.04em; }
.brand-type span { color: var(--color-text-muted); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.nav-links { display: flex; gap: var(--space-6); align-items: center; }
.nav-links a { color: var(--color-text); font-weight: 500; font-size: var(--text-sm); }
.nav-links a:hover { color: var(--color-primary); }

.va-hero {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%);
  color: #fff; padding: var(--space-24) 0 var(--space-20);
  position: relative; overflow: hidden;
}
.va-hero::after {
  content: ""; position: absolute; top: 0; right: -100px; bottom: 0; width: 520px;
  background: radial-gradient(circle at 60% 40%, rgba(168,214,0,0.25), transparent 60%);
  pointer-events: none;
}
.va-hero .container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-16); align-items: center; position: relative; z-index: 1; }
.va-hero .eyebrow { color: var(--lime); }
.va-hero h1 { font-size: var(--text-4xl); color: #fff; margin: var(--space-3) 0 var(--space-5); max-width: 14ch; }
.va-hero .lede { font-size: var(--text-md); color: rgba(255,255,255,0.88); max-width: 54ch; margin-bottom: var(--space-8); }
.va-hero .ctas { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.va-hero .trust-row {
  margin-top: var(--space-12); padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
  color: rgba(255,255,255,0.85); font-size: var(--text-sm);
}
.va-hero .trust-row strong { color: #fff; }
.va-card {
  background: rgba(255,255,255,0.07); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.16); border-radius: var(--radius-lg);
  padding: var(--space-6); color: #fff;
}
.va-card h3 { color: #fff; font-size: var(--text-md); margin-bottom: var(--space-3); }
.va-card-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.va-fact { padding: var(--space-3); background: rgba(255,255,255,0.06); border-radius: var(--radius-sm); }
.va-fact .num { font-family: var(--font-display); font-size: var(--text-xl); color: var(--lime); }
.va-fact .lbl { font-size: var(--text-xs); color: rgba(255,255,255,0.75); }

.va-compliance-bar {
  background: var(--navy); color: rgba(255,255,255,0.9);
  padding: var(--space-4) 0; font-size: var(--text-sm);
}
.va-compliance-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-4); }
.va-compliance-bar .item { display: inline-flex; align-items: center; gap: var(--space-2); }
.va-compliance-bar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); }

.va-features { padding: var(--space-20) 0; }
.va-features h2 { font-size: var(--text-3xl); color: var(--navy); margin-bottom: var(--space-3); max-width: 18ch; }
.va-features .lede { color: var(--color-text-muted); font-size: var(--text-md); max-width: 60ch; margin-bottom: var(--space-12); }
.va-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.va-feature {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  transition: all var(--dur-base) var(--ease);
}
.va-feature:hover { transform: translateY(-2px); border-color: var(--teal); box-shadow: var(--shadow-md); }
.va-feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--teal-soft); color: var(--teal-dark);
  display: grid; place-items: center; margin-bottom: var(--space-4);
  font-size: 22px;
}
.va-feature h3 { font-size: var(--text-md); margin-bottom: var(--space-2); color: var(--navy); }
.va-feature p { color: var(--color-text-muted); font-size: var(--text-sm); margin: 0; }

.va-cta {
  background: var(--navy); color: #fff; padding: var(--space-16) 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(42,138,154,0.35), transparent 50%),
                    radial-gradient(circle at 80% 80%, rgba(168,214,0,0.18), transparent 45%);
}
.va-cta .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-12); align-items: center; }
.va-cta h2 { font-size: var(--text-2xl); color: #fff; margin-bottom: var(--space-4); }
.va-cta p { color: rgba(255,255,255,0.85); margin-bottom: var(--space-6); }

.va-footer { background: var(--color-surface-2); padding: var(--space-10) 0 var(--space-8); border-top: 1px solid var(--color-border); }
.va-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-10); margin-bottom: var(--space-8); }
.va-footer h4 { font-family: var(--font-sans); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-3); }
.va-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.va-footer a { color: var(--color-text); font-size: var(--text-sm); }
.va-footer a:hover { color: var(--color-primary); }
.va-footer-bottom { display: flex; justify-content: space-between; color: var(--color-text-muted); font-size: var(--text-xs); padding-top: var(--space-4); border-top: 1px solid var(--color-border); }

@media (max-width: 960px) {
  .va-hero .container, .va-cta .container { grid-template-columns: 1fr; gap: var(--space-12); }
  .va-grid { grid-template-columns: 1fr 1fr; }
  .va-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .va-grid { grid-template-columns: 1fr; }
  .va-hero h1 { font-size: 2.25rem; }
  .va-footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .nav-links a:not(.btn) { display: none; }
}