/* ============================================
   Liminal Connect — Website
   Restrained, neutral static site.
   ============================================ */

:root {
  --color-accent: #6E8BFF;
  --color-accent-dark: #5573ea;

  --color-bg-primary: #0c0d10;
  --color-bg-secondary: #14161b;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.07);

  --color-text-primary: #f4f5f7;
  --color-text-secondary: rgba(244, 245, 247, 0.72);
  --color-text-tertiary: rgba(244, 245, 247, 0.48);

  --color-border: rgba(255, 255, 255, 0.08);

  --spacing-xxs: 4px;
  --spacing-xs: 6px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-xxl: 24px;
  --spacing-xxxl: 32px;
  --spacing-huge: 40px;

  --font-display-small: 40px;
  --font-headline-large: 28px;
  --font-headline-medium: 20px;
  --font-body: 16px;
  --font-body-small: 14px;
  --font-caption: 12px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  font-size: var(--font-body);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

/* Soft ambient background wash */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 50% -10%, rgba(110, 139, 255, 0.14), transparent 70%),
    radial-gradient(40% 40% at 90% 10%, rgba(110, 139, 255, 0.06), transparent 70%);
}

/* ============================================
   Header
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-lg) var(--spacing-xxl);
  background: linear-gradient(to bottom, rgba(12, 13, 16, 0.92), transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
}

.nav-title {
  font-size: var(--font-headline-medium);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-cta {
  font-size: var(--font-body-small);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

/* ============================================
   Hero (neutral landing)
   ============================================ */

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px var(--spacing-xxl) var(--spacing-huge);
}

.hero-icon {
  width: 104px;
  height: 104px;
  border-radius: var(--radius-xl);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  margin-bottom: var(--spacing-xxl);
}

.hero-title {
  font-size: var(--font-display-small);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: var(--font-headline-medium);
  font-weight: 400;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin-bottom: var(--spacing-xxl);
}

.hero-note {
  font-size: var(--font-body);
  color: var(--color-text-tertiary);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--spacing-xxxl);
}

.app-store-badge {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.app-store-badge:hover {
  transform: scale(1.03);
}

.app-store-img {
  height: 48px;
  width: auto;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  position: relative;
  z-index: 1;
  padding: var(--spacing-xxxl) var(--spacing-xxl);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-logo {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
}

.footer-title {
  font-size: var(--font-body-small);
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: var(--spacing-xxl);
}

.footer-link {
  font-size: var(--font-body-small);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-text-primary);
}

.footer-copyright {
  font-size: var(--font-caption);
  color: var(--color-text-tertiary);
}

/* ============================================
   Legal pages (privacy / terms)
   ============================================ */

.legal-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 130px var(--spacing-xxl) var(--spacing-huge);
}

.legal-content h1 {
  font-size: var(--font-display-small);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
}

.legal-content h2 {
  font-size: var(--font-headline-medium);
  font-weight: 600;
  margin-top: var(--spacing-xxxl);
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.legal-content h3 {
  font-size: var(--font-body);
  font-weight: 600;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xs);
}

.legal-content p {
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--spacing-lg);
}

.legal-content ul {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xxl);
}

.legal-content li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.65;
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-accent-dark);
}

.legal-content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.effective-date {
  display: inline-block;
  padding: var(--spacing-xxs) var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-caption);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xxl);
}

.decision-note {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
}

.decision-note p {
  margin-bottom: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-tertiary);
  font-size: var(--font-body-small);
  margin-bottom: var(--spacing-xl);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-text-primary);
}

.back-link svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 600px) {
  .header {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .hero {
    padding: 120px var(--spacing-lg) var(--spacing-xxxl);
  }

  .hero-title {
    font-size: var(--font-headline-large);
  }

  .hero-subtitle {
    font-size: var(--font-body);
  }

  .legal-content {
    padding: 110px var(--spacing-lg) var(--spacing-huge);
  }

  .footer {
    padding: var(--spacing-xxxl) var(--spacing-lg);
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }
}