/* Meridian Veil - Global Styles */
:root {
  --bg: #0b1020;
  --card: #101a33;
  --text: #e9eefc;
  --muted: #b7c1df;
  --line: rgba(233, 238, 252, 0.12);
  --accent: #7c5cff;
  --accent2: #2dd4bf;
  --error: #ef4444;
  --success: #22c55e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: 
    radial-gradient(1200px 600px at 20% 10%, rgba(124, 92, 255, 0.22), transparent 55%),
    radial-gradient(900px 600px at 80% 30%, rgba(45, 212, 191, 0.18), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

a {
  color: inherit;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo {
  width: 150px;
  height: 150px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.25);
}

.brand b {
  letter-spacing: 0.2px;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
}

nav a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 26px;
  padding: 28px 0 10px;
  align-items: start;
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

h1 {
  font-size: 44px;
  margin: 0 0 10px;
  line-height: 1.08;
}

@media (max-width: 600px) {
  h1 {
    font-size: 32px;
  }
}

.sub {
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
}

.bullets {
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.bullets li {
  margin: 10px 0;
  padding-left: 22px;
  position: relative;
  color: var(--text);
}

.bullets li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  position: absolute;
  left: 0;
  top: 0.45em;
}

/* Buttons */
.ctaRow {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  background: rgba(16, 26, 51, 0.55);
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: all 0.15s;
}

.btn:hover {
  background: rgba(16, 26, 51, 0.75);
}

.btnPrimary {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #071019;
}

.btnPrimary:hover {
  opacity: 0.9;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Panels */
.panel {
  border: 1px solid var(--line);
  background: rgba(16, 26, 51, 0.55);
  border-radius: 18px;
  padding: 16px;
  backdrop-filter: blur(6px);
}

/* Clickable dataset cards */
a.dataset-card {
  transition: all 0.2s ease;
}

a.dataset-card:hover {
  border-color: var(--accent2);
  background: rgba(45, 212, 191, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(45, 212, 191, 0.15);
}

.panel h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.panel p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Grid layouts */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

@media (max-width: 880px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

section {
  margin-top: 34px;
}

h2 {
  font-size: 22px;
  margin: 0 0 12px;
}

.muted {
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

@media (max-width: 880px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--muted);
  margin: 6px 8px 0 0;
  background: rgba(16, 26, 51, 0.35);
}

/* Price tags */
.price-tag {
  margin-top: 12px;
  font-weight: 600;
  color: var(--accent2);
}

/* Footer */
footer {
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

/* Forms */
.small {
  font-size: 12px;
  color: var(--muted);
}

input,
textarea,
select {
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(11, 16, 32, 0.35);
  color: var(--text);
  outline: none;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.15s;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
}

textarea {
  min-height: 92px;
  resize: vertical;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 10px 0 6px;
}

/* Checkbox styling */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--accent);
}

/* Form groups */
.form-group {
  margin-bottom: 16px;
}

.form-error {
  color: var(--error);
  font-size: 12px;
  margin-top: 4px;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #86efac;
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Auth pages */
.auth-container {
  max-width: 400px;
  margin: 60px auto;
}

.auth-container h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.auth-container .sub {
  margin-bottom: 24px;
}

.auth-links {
  text-align: center;
  margin-top: 20px;
}

.auth-links a {
  color: var(--accent);
}

/* Dashboard */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.download-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 16px;
}

.download-info h3 {
  margin: 0 0 4px;
  font-size: 18px;
}

.download-meta {
  font-size: 13px;
  color: var(--muted);
}

/* Checkout */
.checkout-container {
  max-width: 600px;
  margin: 40px auto;
}

.product-hero {
  text-align: center;
  margin-bottom: 32px;
}

.product-hero h1 {
  font-size: 32px;
}

.product-price {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-price-note {
  color: var(--muted);
  font-size: 14px;
}

.addon-box {
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin: 20px 0;
  transition: border-color 0.15s;
}

.addon-box.selected {
  border-color: var(--accent);
}

.cart-summary {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 24px;
}

.cart-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 18px;
  font-weight: 600;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}

/* Legal pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.legal-content .version {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.legal-content h2 {
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
  line-height: 1.7;
}

.legal-content ul {
  padding-left: 24px;
}

.legal-content li {
  margin: 8px 0;
}

/* Other datasets section */
.other-datasets {
  margin-top: 32px;
}

.other-datasets summary {
  cursor: pointer;
  font-weight: 600;
  padding: 12px 0;
  color: var(--muted);
}

.other-datasets summary:hover {
  color: var(--text);
}

.dataset-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.dataset-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.dataset-item h4 {
  margin: 0;
  font-size: 15px;
}

.dataset-item .price {
  font-weight: 600;
  color: var(--accent2);
}

/* Utility classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 16px;
}

.mb-4 {
  margin-bottom: 16px;
}

.hidden {
  display: none !important;
}