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

body {
  font-family: var(--font-sans);
  min-height: 100vh;
  color: var(--color-text-secondary);
  background:
    radial-gradient(ellipse 80% 50% at 50% -15%, rgba(139, 92, 246, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(99, 102, 241, 0.08), transparent 50%),
    linear-gradient(160deg, var(--color-bg-deep) 0%, var(--color-bg-elevated) 50%, var(--color-bg-deep) 100%);
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 16px 40px;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 0 24px;
}

.brand a {
  text-decoration: none;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.22));
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}

nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

nav a:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.05);
}

nav a.active {
  color: var(--color-text);
  border-color: var(--color-primary-border);
  background: var(--color-primary-muted);
}

main {
  flex: 1;
}

.hero {
  text-align: center;
  padding: 12px 0 36px;
  max-width: 640px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(26px, 5vw, 34px);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--duration-fast) ease, transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.10);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border-radius: var(--radius-xl);
  background: rgba(15, 20, 36, 0.75);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.plan-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}

.plan-pill {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-muted);
  color: #c4b5fd;
  border: 1px solid var(--color-primary-border);
}

.plan-price {
  font-size: 32px;
  font-weight: 900;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.plan-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.plan-body {
  flex: 1;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.plan-body ul {
  list-style: none;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plan-body li {
  padding-left: 18px;
  position: relative;
}

.plan-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.plan-cta {
  margin-top: 22px;
}

.plan-cta .btn {
  width: 100%;
}

/* Download */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .download-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}

.download-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border-radius: var(--radius-xl);
  background: rgba(15, 20, 36, 0.75);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.download-card h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 10px;
}

.download-card > p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.download-card .features {
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.download-card .features li {
  padding-left: 18px;
  position: relative;
}

.download-card .features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.download-card .btn {
  width: 100%;
}

footer {
  padding: 28px 0 10px;
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: auto;
}