/* BringUp — shared styles for bringupapp.com
   No external fonts, assets, or frameworks. System font stack only. */

:root {
  --coral: #f2654e;
  --amber: #ffb44d;
  --paper: #f5f2ed;
  --paper-raised: #fffdfa;
  --ink: #2b2520;
  --ink-soft: #6b5f54;
  --ink-faint: #a89d8f;
  --line: #e6ddd1;
  --brand-gradient: linear-gradient(135deg, var(--coral), var(--amber));

  --font-system:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif,
    'Apple Color Emoji', 'Segoe UI Emoji';

  --max-width: 720px;
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-system);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--coral);
  text-decoration-color: rgba(242, 101, 78, 0.35);
  text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
  text-decoration-color: currentColor;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / brand mark ---------- */

.site-header {
  padding: 28px 0 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--brand-gradient);
  flex: none;
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  filter: brightness(1.05);
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(242, 101, 78, 0.1);
  color: var(--coral);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.subline {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 480px;
  margin: 0 auto 32px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(242, 101, 78, 0.55);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -8px rgba(242, 101, 78, 0.6);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled,
.btn-primary[aria-disabled='true'] {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 20px;
}

.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.appstore-badge:hover,
.appstore-badge:focus-visible {
  border-color: var(--ink-faint);
}

.appstore-badge .glyph {
  font-size: 1.2rem;
}

.note {
  color: var(--ink-faint);
  font-size: 0.88rem;
  max-width: 420px;
  margin: 0 auto;
}

/* ---------- Feature grid ---------- */

.features {
  padding: 24px 0 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand-gradient);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- Generic content card (invite / legal pages) ---------- */

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px;
  margin: 48px 0;
}

@media (max-width: 640px) {
  .card {
    padding: 30px 22px;
  }
}

.card h1 {
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.card > p.lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 0 0 28px;
}

.center {
  text-align: center;
}

/* ---------- Legal documents ---------- */

.legal main {
  padding: 8px 0 64px;
}

.legal .updated {
  color: var(--ink-faint);
  font-size: 0.88rem;
  margin: -4px 0 32px;
}

.legal h2 {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin: 32px 0 10px;
}

.legal h2:first-of-type {
  margin-top: 8px;
}

.legal ul {
  margin: 0 0 16px;
  padding-left: 22px;
}

.legal li {
  margin-bottom: 10px;
}

.legal li:last-child {
  margin-bottom: 0;
}

.legal p {
  margin: 0 0 16px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--ink-soft);
}

.footer-note {
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.82rem;
  margin-top: 14px;
}

/* ---------- Utility ---------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}