/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: var(--z-sticky);
  border-bottom: none;
  background: color-mix(in srgb, var(--color-bg-base) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  text-decoration: none;
  flex-shrink: 0;
}
.nav__logo svg { color: var(--color-text-primary); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-inline-start: var(--space-4);
}
.nav__links a {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-default),
              background var(--duration-fast) var(--ease-default);
}
.nav__links a:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-subtle);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background     var(--duration-fast) var(--ease-default),
    color          var(--duration-fast) var(--ease-default),
    border-color   var(--duration-fast) var(--ease-default),
    box-shadow     var(--duration-fast) var(--ease-default),
    transform      var(--duration-fast) var(--ease-spring);
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: scale(0.97); }

/* Sizes */
.btn--sm  { font-size: var(--text-sm);  padding: var(--space-2)  var(--space-3);  }
.btn--lg  { font-size: var(--text-base); padding: var(--space-4) var(--space-6);  }

/* Variants */
.btn--primary {
  background: var(--color-interactive-default);
  color: var(--color-text-on-accent);
  border-color: var(--color-interactive-default);
}
.btn--primary:hover {
  background: var(--color-interactive-hover);
  border-color: var(--color-interactive-hover);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--color-interactive-default) 40%, transparent);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn--outline:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
}

/* ── HERO ── */
.hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(80px + var(--space-16)) var(--space-6) var(--space-16);
  gap: var(--space-6);
  overflow: hidden;
  position: relative;
}

/* Radial glow behind content */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, color-mix(in srgb, var(--color-interactive-default) 12%, transparent), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

/* Badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-surface-default);
  cursor: default;
  transition: border-color var(--duration-fast) var(--ease-default);
}
.hero__badge:hover { border-color: var(--color-border-strong); }

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-status-success-text);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-status-success-text) 20%, transparent);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-status-success-text) 20%, transparent); }
  50%       { box-shadow: 0 0 0 6px color-mix(in srgb, var(--color-status-success-text) 0%,  transparent); }
}

/* Headline */
.hero__headline {
  font-size: clamp(var(--text-4xl), 8vw, 5rem);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  max-width: 14ch;
}
.hero__headline-accent {
  background: linear-gradient(
    135deg,
    var(--color-interactive-default) 0%,
    color-mix(in srgb, var(--color-interactive-default) 60%, #a855f7) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subline */
.hero__subline {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--color-text-secondary);
  max-width: 50ch;
  line-height: var(--leading-relaxed);
}

/* CTAs */
.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* Social proof */
.hero__proof {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.hero__proof strong { color: var(--color-text-secondary); }

/* ── MOCK UI ── */
.hero__media {
  width: 100%;
  max-width: 900px;
  margin-top: var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-xl),
    0 0 0 1px color-mix(in srgb, var(--color-interactive-default) 15%, transparent);
  /* Fade bottom edge so it feels like it extends further */
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

.mock-ui {
  background: var(--color-surface-default);
  width: 100%;
}

/* Browser chrome */
.mock-ui__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-default);
}
.mock-ui__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.mock-ui__dot--red   { background: #ff5f57; }
.mock-ui__dot--amber { background: #febc2e; }
.mock-ui__dot--green { background: #28c840; }
.mock-ui__url {
  margin-inline-start: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  background: var(--color-bg-muted);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-default);
}

/* App layout */
.mock-ui__body {
  display: flex;
  height: 320px;
}

/* Sidebar */
.mock-ui__sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-border-default);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-bg-subtle);
}
.mock-ui__sidebar-item {
  height: 28px;
  border-radius: var(--radius-md);
  background: var(--color-bg-muted);
  animation: shimmer 2.4s ease-in-out infinite;
}
.mock-ui__sidebar-item--active {
  background: var(--color-interactive-subtle);
  animation: none;
}
.mock-ui__sidebar-item--bottom { margin-top: auto; }

/* Main content */
.mock-ui__content {
  flex: 1;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.mock-ui__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.mock-ui__pill {
  height: 20px;
  width: 140px;
  border-radius: var(--radius-full);
  background: var(--color-bg-muted);
  animation: shimmer 2.4s ease-in-out infinite;
}
.mock-ui__pill--sm { width: 80px; }

.mock-ui__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.mock-ui__card {
  height: 72px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border-default);
  animation: shimmer 2.4s ease-in-out infinite;
}
.mock-ui__card--accent {
  background: color-mix(in srgb, var(--color-interactive-default) 12%, var(--color-bg-muted));
  border-color: color-mix(in srgb, var(--color-interactive-default) 30%, transparent);
  animation: none;
}

.mock-ui__chart { flex: 1; }
.mock-ui__bar-chart {
  height: 100%;
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
}
.mock-ui__bar-item {
  flex: 1;
  background: var(--color-bg-muted);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid var(--color-border-default);
  border-bottom: none;
  transition: height 0.6s var(--ease-spring);
}
.mock-ui__bar-item--accent {
  background: color-mix(in srgb, var(--color-interactive-default) 70%, transparent);
  border-color: var(--color-interactive-default);
}

@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .hero__media { display: none; }
  .mock-ui__sidebar { display: none; }
}