:root {
  --red: #DF2B2E;
  --red-dark: #b71f22;
  --ink: #1a1a1f;
  --muted: #5b5b66;
  --line: #e6e6ea;
  --bg: #ffffff;
  --bg-soft: #f7f7f9;
  --radius: 12px;
  --maxw: 880px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--red);
  border-radius: 9px;
  color: #fff;
}
.brand .mark svg { display: block; }
.brand .ok { color: var(--red); }

/* Hero */
.hero {
  padding: 72px 0 56px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
}
.hero h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}
.hero p.tagline {
  font-size: 21px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 32px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: #fff;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 10px;
  border: none;
  font-size: 16px;
  cursor: pointer;
}
.btn:hover { background: var(--red-dark); text-decoration: none; }
.btn[disabled], .btn.soon {
  background: var(--ink);
  opacity: 0.92;
  cursor: default;
}
.btn .sub { font-weight: 400; font-size: 12px; opacity: 0.8; display: block; line-height: 1.1; }
.btn .big { font-size: 15px; display: block; line-height: 1.2; }

/* Features */
.features { padding: 56px 0; }
.features h2 { text-align: center; font-size: 28px; margin: 0 0 40px; letter-spacing: -0.02em; }
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.card .icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(223,43,46,0.1);
  color: var(--red);
  border-radius: 10px;
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Legal / content pages */
.page { padding: 48px 0 64px; }
.page h1 { font-size: 34px; letter-spacing: -0.02em; margin: 0 0 8px; }
.page .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.page h2 { font-size: 22px; margin: 36px 0 10px; letter-spacing: -0.01em; }
.page h3 { font-size: 17px; margin: 24px 0 6px; }
.page p, .page li { color: #2a2a33; }
.page ul { padding-left: 22px; }
.page li { margin-bottom: 6px; }

/* Forms */
.form-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 24px;
}
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(223,43,46,0.12);
}
.field textarea { min-height: 130px; resize: vertical; }

.note {
  background: rgba(223,43,46,0.06);
  border: 1px solid rgba(223,43,46,0.2);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 15px;
  margin: 20px 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 32px 0;
  margin-top: 24px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-footer nav a { color: var(--muted); margin-right: 18px; font-size: 14px; }
.site-footer nav a:last-child { margin-right: 0; }
.site-footer .copy { color: var(--muted); font-size: 14px; }

@media (max-width: 640px) {
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 34px; }
  .hero p.tagline { font-size: 18px; }
  .grid { grid-template-columns: 1fr; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
  body { font-size: 16px; }
}
