/* Prio — Static Site Styles */
/* Brand colors from UX_DESIGN_SYSTEM.md and colors.xml */
:root {
  /* Brand */
  --primary: #0D9488;
  --primary-dark: #0F766E;
  --on-primary: #FFFFFF;
  --secondary: #F59E0B;
  --tertiary: #6366F1;

  /* Quadrant colors */
  --q1-do: #DC2626;
  --q2-schedule: #2563EB;
  --q3-delegate: #F97316;
  --q4-eliminate: #6B7280;

  /* Semantic */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Surfaces — Light */
  --surface: #FEFEFE;
  --surface-variant: #F3F4F6;
  --on-surface: #1F2937;
  --on-surface-variant: #6B7280;
  --outline: #E5E7EB;
  --max-width: 900px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #1F2937;
    --surface-variant: #374151;
    --on-surface: #F9FAFB;
    --on-surface-variant: #9CA3AF;
    --outline: #4B5563;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.7;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Navigation */
nav {
  background-color: var(--primary);
  color: var(--on-primary);
  padding: 0.8rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0;
  padding-bottom: 0;
}

nav a {
  color: var(--on-primary);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  opacity: 0.85;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-brand img {
  height: 32px;
  width: 32px;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  font-size: 0.9rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--on-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.hero-logo {
  width: 88px;
  height: 88px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.hero .tagline {
  font-size: 1.3rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 0.5rem;
  font-weight: 300;
}

.hero .sub-tagline {
  font-size: 1rem;
  opacity: 0.7;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.hero .badge {
  display: inline-block;
  margin-top: 0.5rem;
}

.hero .badge img {
  height: 56px;
}

/* Features section */
.features {
  padding: 3rem 0;
}

.features h2 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  border: none;
}

.features .section-sub {
  text-align: center;
  color: var(--on-surface-variant);
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-card {
  background: var(--surface-variant);
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 0.7rem;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  margin-top: 0;
  color: var(--primary);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  margin-bottom: 0;
  line-height: 1.5;
}

/* Screenshots carousel */
.screenshots {
  padding: 2rem 0 3rem;
}

.screenshots h2 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 2rem;
  border: none;
}

.screenshot-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 1.5rem 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
  justify-content: center;
  justify-content: safe center;
}

.screenshot-scroll::-webkit-scrollbar {
  height: 6px;
}

.screenshot-scroll::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.screenshot-item {
  scroll-snap-align: center;
  flex: 0 0 auto;
  text-align: center;
}

.screenshot-item img {
  height: 420px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  object-fit: contain;
}

.screenshot-item .caption {
  font-size: 0.8rem;
  color: var(--on-surface-variant);
  margin-top: 0.6rem;
  font-weight: 500;
}

/* Privacy callout */
.privacy-callout {
  background: linear-gradient(135deg, var(--surface-variant) 0%, var(--surface) 100%);
  border: 1px solid var(--outline);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 2rem 0;
}

.privacy-callout h2 {
  border: none;
  margin-top: 0;
  color: var(--primary);
}

.privacy-callout p {
  max-width: 600px;
  margin: 0 auto 1rem;
  color: var(--on-surface-variant);
}

.privacy-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary);
  color: var(--on-primary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Pricing */
.pricing {
  padding: 2rem 0;
}

.pricing h2 {
  text-align: center;
  font-size: 1.8rem;
  border: none;
  margin-bottom: 0.5rem;
}

.pricing .section-sub {
  text-align: center;
  color: var(--on-surface-variant);
  margin-bottom: 2rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.pricing-card {
  border: 1px solid var(--outline);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  background: var(--surface);
}

.pricing-card.featured {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.15);
}

.pricing-card.featured::before {
  content: 'Best Value';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--secondary);
  color: #1F2937;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 10px;
  text-transform: uppercase;
}

.pricing-card h3 {
  margin-top: 0;
  color: var(--on-surface);
  font-size: 1.1rem;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0.5rem 0;
}

.pricing-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--on-surface-variant);
}

.pricing-card ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  text-align: left;
  font-size: 0.9rem;
}

.pricing-card li {
  padding: 0.3rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.pricing-card li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* Legal links section */
.legal-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 0;
  flex-wrap: wrap;
}

.legal-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border: 1px solid var(--outline);
  border-radius: 8px;
  text-decoration: none;
  color: var(--on-surface);
  font-weight: 500;
  transition: border-color 0.2s, background 0.2s;
}

.legal-link:hover {
  border-color: var(--primary);
  background: var(--surface-variant);
}

/* Content pages (privacy, tos) */
.page-header {
  text-align: center;
  padding: 2.5rem 1rem;
  border-bottom: 1px solid var(--outline);
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-header .meta {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}

/* Typography */
h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--surface-variant);
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 1.8rem;
  margin-bottom: 0.7rem;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
}

strong {
  font-weight: 600;
}

a {
  color: var(--primary);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--outline);
}

th {
  font-weight: 600;
  background-color: var(--surface-variant);
}

tr:hover {
  background-color: var(--surface-variant);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
  border-top: 1px solid var(--outline);
  color: var(--on-surface-variant);
  font-size: 0.85rem;
}

footer a {
  color: var(--on-surface-variant);
}

/* Utility */
.highlight-box {
  background-color: var(--surface-variant);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
  border-radius: 0 4px 4px 0;
}

/* Responsive — Tablet */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .hero .tagline {
    font-size: 1.15rem;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .privacy-badges {
    gap: 0.5rem;
  }
}

/* Responsive — Mobile */
@media (max-width: 600px) {
  .container {
    padding: 1.5rem 1rem;
  }

  /* Nav: shrink links, hide labels on very small */
  nav .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .nav-brand {
    font-size: 1.2rem;
  }

  .nav-links {
    gap: 0.6rem;
    font-size: 0.75rem;
  }

  /* Hero */
  .hero {
    padding: 2.5rem 1rem 2rem;
  }

  .hero-logo {
    width: 68px;
    height: 68px;
    border-radius: 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .tagline {
    font-size: 1rem;
  }

  .hero .sub-tagline {
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
  }

  .hero .badge img {
    height: 48px;
  }

  /* Features: single column */
  .features h2 {
    font-size: 1.4rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .feature-card {
    padding: 1.2rem;
  }

  /* Screenshots: smaller on mobile */
  .screenshots h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
  }

  .screenshot-scroll {
    padding: 0.5rem 1rem 1rem;
    gap: 0.75rem;
    justify-content: flex-start;
  }

  .screenshot-item img {
    height: 300px;
    border-radius: 8px;
  }

  .screenshot-item .caption {
    font-size: 0.7rem;
  }

  /* Privacy callout */
  .privacy-callout {
    padding: 1.5rem 1rem;
    border-radius: 12px;
  }

  .privacy-callout h2 {
    font-size: 1.3rem;
  }

  .privacy-badges {
    gap: 0.4rem;
  }

  .privacy-badge {
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
  }

  /* Pricing */
  .pricing h2 {
    font-size: 1.4rem;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .pricing-card {
    padding: 1.2rem;
  }

  .pricing-price {
    font-size: 1.6rem;
  }

  /* Legal links */
  .legal-links {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
  }

  .legal-link {
    width: 100%;
    justify-content: center;
  }

  /* Tables: horizontal scroll on mobile */
  table {
    font-size: 0.8rem;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  th, td {
    padding: 0.5rem 0.6rem;
  }

  /* Typography */
  h2 {
    font-size: 1.3rem;
    margin-top: 2rem;
  }

  h3 {
    font-size: 1.05rem;
  }

  /* Page headers (privacy/tos) */
  .page-header {
    padding: 1.5rem 1rem;
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  /* Footer */
  footer {
    font-size: 0.8rem;
    padding: 1.5rem 1rem;
  }
}

/* Very small phones */
@media (max-width: 380px) {
  .nav-links {
    gap: 0.4rem;
    font-size: 0.7rem;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .screenshot-item img {
    height: 260px;
  }
}