/* Netalphacore theme tokens */
:root {
  --color-bg: #0a0f1a;
  --color-bg-elevated: #111827;
  --color-surface: #1a2332;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-accent: #22d3ee;
  --color-success: #34d399;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.4);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container: min(1120px, 100% - 2rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-text {
  font-weight: 600;
  font-size: 1.125rem;
}

.nav-list {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font: inherit;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font: inherit;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition),
    border-color var(--transition), color var(--transition);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border: none;
  padding: 0.25rem 0;
}

.btn-ghost:hover {
  color: var(--color-text);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

/* Hero — central content focal point */
.hero {
  padding: 4rem 0 5rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.15), transparent),
    var(--color-bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0.5rem 0 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 32rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.eyebrow {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
}

.metric-label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-success);
}

.progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.progress-fill {
  height: 100%;
  width: 87%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  border-radius: 4px;
  animation: progress-grow 1.5s ease-out forwards;
}

@keyframes progress-grow {
  from { width: 0; }
  to { width: 87%; }
}

.stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stat-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.stat-list li:last-child {
  border-bottom: none;
}

.stat-list strong {
  color: var(--color-text);
}

/* Stats section */
.stats-section {
  padding: 4rem 0;
  background: var(--color-bg-elevated);
}

.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 2.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.stat-number::after {
  content: "%";
}

.stat-label {
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}

/* Features section */
.features-section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header .section-title,
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0.5rem 0 1rem;
}

.section-lead {
  color: var(--color-text-muted);
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.feature-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}

.feature-list {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.feature-list li {
  margin-bottom: 0.25rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  background: var(--color-bg-elevated);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin: 0.25rem 0 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

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

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-contact {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.875rem;
}

/* Scroll reveal animations (FloQast-inspired) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.float-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Dialog / modal */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fade-in 0.2s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.dialog-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  animation: slide-up 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dialog-panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

.dialog-panel p {
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
}

.dialog-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .float-animation {
    animation: none;
  }
}