:root {
  --bg: #FFFFFF;
  --fg: #0F172A;
  --muted: #475569;
  --line: #E5E7EB;
  --primary: #982848;
  --accent: #CC94A4;
  /* --card: #F8FAFC; */
  --card: #FFFFFF;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(2, 6, 23, 0.08);
  --elev: 0 12px 30px rgba(2, 6, 23, 0.12);
  --gradient: linear-gradient(135deg, #7A0A2A 0%, #B64666 100%);
  --primary-25: rgba(152, 40, 72, .25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, Segoe UI, Roboto, Inter, Arial, sans-serif;
}

section {
  padding: 36px 0;
}

h1 {
  font-size: 32px;
  margin: 0 0 8px;
}

h2 {
  font-size: 24px;
  margin: 0 0 12px;
}

p {
  margin: 0 0 12px;
  color: var(--fg);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-25), var(--shadow);
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  border: 0;
}

.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--fg);
  box-shadow: 0 2px 10px rgba(2, 6, 23, 0.06);
}

.btn-secondary:hover {
  border-color: var(--primary-25);
  box-shadow: 0 4px 14px rgba(2, 6, 23, 0.10);
  transform: translateY(-1px);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
  background: #f8fafc;
  text-align: center;
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  justify-content: center;
  align-items: center;
  font-size: 14px;
}

.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 500;
}

.back::before {
  content: "←";
  font-size: 14px;
}

.back:hover {
  border-color: var(--primary-25);
  background: #FAFBFC;
  color: var(--fg);
}

.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72px;
  height: 3px;
  background: var(--gradient);
  border-radius: 2px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elev);
  border-color: var(--primary-25);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.btn-action {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  box-shadow: none;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-action:hover {
  border-color: var(--primary-25);
  color: var(--fg);
  background: #FAFBFC;
}

.btn-action .chev {
  transition: transform .15s ease;
}

.btn-action:hover .chev {
  transform: translateX(2px);
}

@media (max-width:900px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}

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