:root {
  --primary: #b61530;
  --primary-container: #d93446;
  --surface: #fbf9f8;
  --surface-container-low: #f6f3f2;
  --surface-container: #f0eded;
  --surface-container-lowest: #ffffff;
  --surface-container-highest: #e4e2e1;
  --on-surface: #1b1c1c;
  --secondary: #5f5e5e;
  --outline-variant: #e3bebd;
  --font-headline: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --max-width: 88rem;
}

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

body {
  font-family: var(--font-body);
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.7;
  font-size: 16px;
  padding-top: 5rem;
}

/* ---- Navigation ---- */
.main-nav {
  background: rgba(251, 249, 248, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(227, 190, 189, 0.3);
  padding: 0 2rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

.main-nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.main-nav .nav-brand {
  color: var(--on-surface);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.0625rem;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 0.25rem;
}

.main-nav ul a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  transition: color 0.15s;
}

.main-nav ul a:hover {
  color: var(--on-surface);
}

.main-nav ul a.active {
  color: var(--on-surface);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
  border-radius: 0;
  padding-bottom: 0.25rem;
}

/* ---- Layout ---- */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

main.index-main {
  max-width: 52rem;
}

/* ---- Editorial Headline ---- */
.editorial-headline {
  font-family: var(--font-headline);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--on-surface);
}

.editorial-headline.index-headline {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

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

/* ---- Hero (index.html) ---- */
.hero {
  text-align: center;
  padding: 5rem 0 4rem;
}

.hero .app-icon {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(27, 28, 28, 0.06);
}

.hero .subtitle {
  color: var(--secondary);
  font-size: 1.125rem;
  font-weight: 500;
  margin-top: 0.75rem;
}

.hero-lead {
  max-width: 36rem;
  margin: 1.5rem auto 0;
  padding-left: clamp(1rem, 5vw, 3rem);
  color: var(--secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ---- Feature Grid ---- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--surface-container-low);
  border-radius: 0.75rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-card .material-symbols-outlined {
  font-size: 1.75rem;
  color: var(--primary);
  opacity: 0.75;
}

.feature-card h3 {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-surface);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--secondary);
  line-height: 1.6;
}

/* ---- Cards (index.html) ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.card {
  background: var(--surface-container-low);
  border-radius: 0.75rem;
  padding: 2rem;
  text-decoration: none;
  color: var(--on-surface);
  transition: background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card:hover {
  background: var(--surface-container);
}

.card .card-icon {
  font-size: 1.75rem;
  color: var(--primary);
  opacity: 0.75;
  margin-bottom: 0.25rem;
}

.card h2 {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
}

.card p {
  color: var(--secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ---- Privacy page grid ---- */
.content-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
}


/* ---- Sidebar ---- */
.sidebar {
  padding-bottom: 2rem;
}

.sidebar-sticky {
  position: sticky;
  top: 5.5rem;
}

.sidebar-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.sidebar-nav a {
  display: block;
  padding: 0.375rem 0 0.375rem 1rem;
  border-left: 2px solid transparent;
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.5;
  transition: color 0.15s, border-color 0.15s;
  overflow-wrap: break-word;
}

.sidebar-nav a:hover {
  color: var(--on-surface);
  border-left-color: var(--surface-container-highest);
}

.sidebar-nav a.active {
  color: var(--on-surface);
  font-weight: 600;
  border-left-color: var(--primary);
}

.sidebar-info {
  margin-top: 2rem;
  background: var(--surface-container-low);
  border-radius: 0.75rem;
  padding: 1.25rem;
}

.sidebar-info .material-symbols-outlined {
  font-size: 2rem;
  color: var(--primary);
  opacity: 0.2;
  display: block;
  margin-bottom: 0.75rem;
}

.sidebar-info p {
  font-size: 0.75rem;
  color: var(--secondary);
  line-height: 1.6;
}

.sidebar-info strong {
  color: var(--on-surface);
}

/* ---- Page header (privacy.html) ---- */
.page-header {
  margin-bottom: 3rem;
}

.page-header .meta {
  color: var(--secondary);
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

/* ---- Highlight box (TL;DR) ---- */
.highlight-box {
  background: var(--surface-container-lowest);
  border-left: 4px solid rgba(182, 21, 48, 0.2);
  border-radius: 0 0.75rem 0.75rem 0;
  padding: 1.25rem 1.5rem;
  margin-bottom: 3rem;
}

.highlight-box p {
  font-weight: 500;
  color: var(--on-surface);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---- Legal cards (privacy sections) ---- */
.legal-card {
  background: var(--surface-container-low);
  border-radius: 0.75rem;
  padding: 2rem;
}

section {
  margin-bottom: 3.5rem;
}

section h2 {
  font-family: var(--font-headline);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 1rem;
}

section p {
  color: var(--secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

section p:last-child {
  margin-bottom: 0;
}

section a {
  color: var(--primary);
  text-decoration: none;
}

section a:hover {
  text-decoration: underline;
}

/* ---- Privacy list ---- */
.privacy-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.privacy-list li::before {
  content: "—";
  color: var(--primary);
  margin-right: 0.5rem;
  opacity: 0.6;
}

/* ---- Footer ---- */
footer {
  background: var(--surface-container-low);
  padding: 3rem 2rem;
  color: var(--secondary);
  font-size: 0.8125rem;
  margin-top: 5rem;
}

footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

footer .footer-brand {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1rem;
  color: var(--on-surface);
  letter-spacing: -0.02em;
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ---- Material Symbols utility ---- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
  user-select: none;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
  .features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  main {
    padding: 2.5rem 1.25rem 4rem;
  }
  .legal-card {
    padding: 1.25rem;
  }
  .hero {
    padding: 3rem 0 2.5rem;
  }
  footer .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media print {
  nav { display: none; }
  body { padding-top: 0; }
  main { margin: 0; }
}