:root {
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --indigo-50: #eef2ff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --green-100: #dcfce7;
  --green-700: #15803d;
  --amber-100: #fef3c7;
  --amber-700: #b45309;
  --radius: 12px;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
}

.brand-icon {
  color: var(--indigo-600);
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover,
.nav a.active {
  color: var(--indigo-600);
}

.hero {
  padding: 4rem 0 2rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: var(--indigo-50);
  color: var(--indigo-600);
  font-size: 0.875rem;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.hero-text {
  max-width: 560px;
  margin: 0 auto;
  color: var(--gray-500);
  font-size: 1.05rem;
}

.catalog {
  padding: 1rem 0 4rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
}

.card-visual {
  height: 257px;
  overflow: hidden;
  background: var(--gray-100);
}

.card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.card-visual-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-visual-placeholder.image-converter {
  background: linear-gradient(135deg, #ddd6fe, #c4b5fd);
}

.card-visual-placeholder.ai-translator {
  background: linear-gradient(135deg, #bae6fd, #7dd3fc);
}

.placeholder-icon {
  font-size: 3rem;
}

.card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.badge-ready {
  background: var(--green-100);
  color: var(--green-700);
}

.badge-soon {
  background: var(--amber-100);
  color: var(--amber-700);
}

.platform {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.features {
  list-style: none;
  margin-bottom: 1.25rem;
  flex: 1;
}

.features li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: 0.35rem;
}

.features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #22c55e;
  font-weight: 700;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--indigo-600);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--indigo-700);
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-ghost {
  color: var(--indigo-600);
  background: var(--indigo-50);
}

.btn-ghost:hover {
  background: #e0e7ff;
}

.link-note {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.footer {
  flex-shrink: 0;
  margin-top: auto;
  border-top: 1px solid var(--gray-200);
  background: #fff;
  padding: 1.25rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-500);
}

.footer a {
  color: var(--indigo-600);
  text-decoration: none;
  font-weight: 500;
}

@media (max-width: 640px) {
  .nav {
    gap: 0.75rem;
    font-size: 0.85rem;
  }

  .hero {
    padding-top: 2.5rem;
  }
}