/* ==========================================================================
   Cards — the core surface component. Variants: feature, link, stat, glass.
   ========================================================================== */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  transition:
    border-color var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

/* Clickable card lifts slightly */
a.card:hover,
.card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.card__icon {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--gradient-brand-soft);
  border: 1px solid var(--border-accent);
  color: var(--accent-strong);
}

.card__icon .icon { width: 1.3rem; height: 1.3rem; }

.card__title {
  font-size: var(--text-lg);
  font-weight: 650;
  color: var(--text-strong);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-normal);
}

.card__meta {
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-faint);
}

/* ---- Link card: whole card is an anchor ---------------------------------- */

.card--link { text-decoration: none; }

.card--link .card__title {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.card--link .card__title::after {
  content: "→";
  font-size: 0.85em;
  color: var(--accent-strong);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.card--link:hover .card__title::after {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Stat card ------------------------------------------------------------ */

.card--stat {
  gap: var(--space-2);
  padding: var(--space-5) var(--space-6);
}

.card--stat .card__value {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card--stat .card__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ---- Glass card ------------------------------------------------------------ */

.card--glass {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ---- Accent top border ------------------------------------------------------- */

.card--accent::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--gradient-brand);
  opacity: 0.7;
}

/* ---- Checklist inside cards ---------------------------------------------------- */

.card__list { display: grid; gap: 0.55rem; }

.card__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-snug);
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: var(--radius-full);
  background: var(--gradient-brand-soft) center / 0.5rem 0.5rem no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='m1.5 5.2 2.3 2.3L8.5 2.8' fill='none' stroke='%236f97ff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"), var(--gradient-brand-soft);
  border: 1px solid var(--border-accent);
}