/* Startups — founder pain → drag-to-reveal solution */
.su-hero {
  position: relative;
  padding: clamp(4rem, 10vw, 6.5rem) 0 clamp(3rem, 6vw, 4rem);
  overflow: hidden;
}

.su-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 15% 20%, rgba(37, 99, 235, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(14, 165, 233, 0.12), transparent 50%);
  pointer-events: none;
}

.su-hero .container {
  position: relative;
}

.su-hero h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 16ch;
}

.su-hero .lede {
  margin: 0;
  max-width: 36rem;
  font-size: 1.125rem;
  color: var(--muted);
}

.su-hero .lede strong {
  color: var(--text);
  font-weight: 600;
}

.su-hint {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.su-hint svg {
  flex-shrink: 0;
  opacity: 0.8;
  animation: su-nudge 1.8s ease-in-out infinite;
}

@keyframes su-nudge {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(6px);
  }
}

.su-deck {
  padding-bottom: 2rem;
}

.su-deck .section-header {
  text-align: left;
  margin-bottom: 2rem;
}

.su-deck .section-header p {
  margin: 0.75rem 0 0;
  max-width: 36rem;
  color: var(--muted);
}

.su-cards {
  display: grid;
  gap: 1.25rem;
}

.su-card {
  --reveal: 0;
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  overflow: hidden;
  min-height: 11.5rem;
  touch-action: none;
  user-select: none;
}

.su-card.is-open {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
}

.su-card__pain,
.su-card__fix {
  position: absolute;
  inset: 0;
  padding: 1.35rem 1.5rem 3.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
}

.su-card__pain {
  z-index: 2;
  background: var(--bg-elevated);
  clip-path: inset(0 calc(var(--reveal) * 1%) 0 0);
  transition: clip-path 0.05s linear;
}

.su-card.is-dragging .su-card__pain {
  transition: none;
}

.su-card__fix {
  z-index: 1;
  background: linear-gradient(135deg, #0f2744 0%, #111827 55%, #0c1a2e 100%);
}

.su-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.su-card__fix .su-card__label {
  color: #7dd3fc;
}

.su-card h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.su-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 40rem;
}

.su-card__fix p {
  color: #cbd5e1;
}

.su-card__fix a {
  align-self: flex-start;
  margin-top: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.su-handle {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: calc(var(--reveal) * 1%);
  width: 2.75rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  border: 0;
  padding: 0;
  background: transparent;
  color: #fff;
}

.su-handle:active {
  cursor: grabbing;
}

.su-handle__pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  width: 2.5rem;
  height: 3.5rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
  transition: background var(--transition), transform var(--transition);
}

.su-handle:hover .su-handle__pill,
.su-handle:focus-visible .su-handle__pill {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.su-handle svg {
  display: block;
}

.su-card__actions {
  position: absolute;
  z-index: 5;
  right: 0.85rem;
  bottom: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

.su-card__actions button {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.85);
  color: var(--muted);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.su-card__actions button:hover,
.su-card__actions button:focus-visible {
  color: #fff;
  border-color: var(--border-hover);
}

.su-progress {
  margin: 1.75rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.su-progress strong {
  color: var(--text);
}

.su-after {
  border-top: 1px solid var(--border);
}

.su-paths {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.su-path {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.su-path h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.su-path p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .su-card {
    min-height: 13.5rem;
  }

  .su-card__pain,
  .su-card__fix {
    padding: 1.15rem 1.15rem 3.5rem;
  }

  .su-hero h1 {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .su-hint svg {
    animation: none;
  }

  .su-card__pain {
    transition: none;
  }
}
