:root {
  --bg-app: #0b0d10;
  --bg-canvas: #0e1116;
  --bg-surface: #141820;
  --bg-surface-raised: #1a1f2a;
  --bg-surface-active: #202736;
  --text-primary: #e7eaf0;
  --text-secondary: #b3bac7;
  --text-muted: #7d8594;
  --border-subtle: #252b36;
  --border-default: #2e3542;
  --accent: #7c6ff2;
  --accent-hover: #8a7af7;
  --accent-active: #6b5bea;
  --accent-glow: 0 0 0 1px rgba(124, 111, 242, 0.25),
    0 6px 24px rgba(124, 111, 242, 0.25);
  --shadow-soft: 0 6px 24px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 18px 40px rgba(0, 0, 0, 0.6);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --max-width: 1200px;
  --pad-x: 24px;
  --transition-fast: 120ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --transition: 200ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Inter, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 20% 10%, rgba(124, 111, 242, 0.12), transparent 45%),
    radial-gradient(circle at 80% -10%, rgba(91, 176, 255, 0.12), transparent 40%),
    var(--bg-app);
  color: var(--text-primary);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8, 10, 14, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(124, 111, 242, 0.18);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 0 18px rgba(124, 111, 242, 0.45);
}

.brand-name {
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.nav a {
  transition: color var(--transition-fast);
}

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

.hero {
  padding: 92px 0 72px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0.58)),
    radial-gradient(circle at top left, rgba(124, 111, 242, 0.18), transparent 55%),
    radial-gradient(circle at 15% 25%, rgba(91, 176, 255, 0.16), transparent 50%),
    var(--bg-app);
}

.hero-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.eyebrow {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.button[aria-disabled="true"] {
  pointer-events: none;
  cursor: default;
  opacity: 0.6;
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--accent-glow);
}

.button-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(124, 111, 242, 0.35);
}

.button-primary:active {
  background: var(--accent-active);
  transform: translateY(0);
}

.button-secondary {
  background: var(--bg-surface-raised);
  border-color: var(--border-default);
  color: var(--text-primary);
}

.button-secondary:hover {
  transform: translateY(-1px);
  border-color: rgba(124, 111, 242, 0.4);
}

.button-ghost {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.button-ghost:hover {
  border-color: rgba(124, 111, 242, 0.4);
  color: var(--text-primary);
}

.badge {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-active);
  color: var(--text-secondary);
  font-size: 12px;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup {
  background: var(--bg-surface);
  border: 1px solid rgba(124, 111, 242, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.mockup-top {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-surface-raised);
  border-bottom: 1px solid var(--border-subtle);
}

.mockup-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-default);
}

.mockup-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  min-height: 240px;
}

.mockup-sidebar {
  padding: 16px;
  border-right: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(26, 31, 42, 0.8), rgba(20, 24, 32, 0.8));
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-chip {
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-active);
  color: var(--text-secondary);
  font-size: 12px;
  white-space: nowrap;
}

.mockup-canvas {
  padding: 16px;
  position: relative;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.tile {
  background: #1f2532;
  border-radius: var(--radius-sm);
  height: 56px;
  border: 1px solid #2a3140;
}

.tile.tall {
  height: 92px;
}

.tile.wide {
  grid-column: span 2;
}

.mockup-modal {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 210px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 12px;
}

.modal-header {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.modal-content {
  height: 60px;
  border-radius: var(--radius-sm);
  background: #242c3b;
}

.mockup-caption {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--bg-canvas);
}

.extension-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.extension-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-soft);
}

.extension-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.extension-meta {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.extension-steps {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow-soft);
}

.extension-options {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow-soft);
}

.extension-steps h3 {
  margin: 0 0 4px;
  font-size: 20px;
}

.extension-options h3 {
  margin: 0 0 4px;
  font-size: 20px;
}

.extension-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  background: var(--bg-surface-raised);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
}

.extension-option {
  background: var(--bg-surface-raised);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
}

.extension-option h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.extension-step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.extension-option p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.section-header {
  max-width: 640px;
  margin-bottom: 32px;
}

.section-header h2 {
  margin: 0 0 12px;
  font-size: 32px;
  letter-spacing: -0.015em;
}

.section-header p {
  color: var(--text-secondary);
  margin: 0;
}

.cards-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 220px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 111, 242, 0.3);
  box-shadow: var(--shadow-strong);
}

.card h3 {
  margin: 0;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
}

.card ul {
  padding-left: 18px;
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.card.accent {
  border-color: rgba(124, 111, 242, 0.35);
  box-shadow: var(--accent-glow);
}

.workflow-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
}

.workflow-steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition), transform var(--transition);
}

.step:hover {
  border-color: rgba(124, 111, 242, 0.3);
  transform: translateY(-2px);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-surface-active);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  font-weight: 600;
}

.step h4 {
  margin: 0 0 4px;
  font-size: 16px;
}

.step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.tech-card {
  background: var(--bg-surface-raised);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.flow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 16px 0;
  color: var(--text-secondary);
  font-weight: 600;
}

.flow-arrow {
  color: var(--accent);
}

.screens-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.screen-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 18px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.screen-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 111, 242, 0.3);
  box-shadow: var(--shadow-strong);
}

.screen-preview {
  height: 150px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid var(--border-default);
  background: linear-gradient(135deg, #232a3a, #12161f);
  position: relative;
  overflow: hidden;
}

.screen-preview::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(124, 111, 242, 0.4);
}

.preview-vault::before,
.preview-board::before,
.preview-notes::before {
  content: "";
  position: absolute;
  inset: 10px 12px auto auto;
  width: 60px;
  height: 22px;
  border-radius: var(--radius-pill);
  background: rgba(124, 111, 242, 0.25);
}

.cta {
  padding-bottom: 80px;
}

.cta-card {
  background: linear-gradient(135deg, rgba(124, 111, 242, 0.15), rgba(14, 17, 22, 0.9));
  border: 1px solid rgba(124, 111, 242, 0.3);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-strong);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0 40px;
  background: var(--bg-app);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
}

@media (max-width: 800px) {
  .nav {
    display: none;
  }

  .mockup-body {
    grid-template-columns: 1fr;
  }

  .mockup-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .footer-meta {
    text-align: left;
  }
}