/* ==========================================================================
   Cosmofy™ website styles
   Static, dependency-free CSS. System font stack only. No external assets.
   ========================================================================== */

:root {
  --color-charcoal: #2b2622;
  --color-cream: #f7f1e8;
  --color-espresso: #4a342a;
  --color-champagne: #e8d9b5;
  --color-bronze: #a9784f;
  --color-bronze-deep: #7a5433;
  --color-surface: #ffffff;
  --color-text: #2b2622;
  --color-text-muted: #6b5d52;
  --color-border: #e3d8c7;
  --color-focus: #7a5433;
  --color-error: #a8433a;

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;

  --max-width: 72rem;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6rem;
  --shadow-sm: 0 1px 2px rgba(43, 38, 34, 0.08);
  --shadow-md: 0 8px 24px rgba(43, 38, 34, 0.12);
  --shadow-lg: 0 16px 40px rgba(43, 38, 34, 0.16);
}

/* --------------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.6;
  font-size: 1rem;
}

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

svg {
  overflow: visible;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
}

ul,
ol {
  padding-left: 1.25rem;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  font-weight: 700;
  color: var(--color-charcoal);
}

p {
  margin: 0 0 var(--space-2);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   Focus visibility
   -------------------------------------------------------------------------- */

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.section {
  padding-block: var(--space-6);
}

.section-alt {
  background: var(--color-surface);
}

.section-dark {
  background: var(--color-charcoal);
  color: var(--color-cream);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-cream);
}

.section-header {
  max-width: 42rem;
  margin-bottom: var(--space-5);
}

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bronze-deep);
  margin-bottom: var(--space-1);
}

.section-dark .eyebrow {
  color: var(--color-champagne);
}

.lede {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.section-dark .lede {
  color: var(--color-champagne);
}

/* --------------------------------------------------------------------------
   Skip link
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3.5rem;
  background: var(--color-charcoal);
  color: var(--color-cream);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.15s ease;
  font-weight: 600;
}

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

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-charcoal);
  color: var(--color-cream);
  border-bottom: 1px solid rgba(247, 241, 232, 0.1);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-2);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--color-cream);
  white-space: nowrap;
}

.wordmark .logo-mark {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(247, 241, 232, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-cream);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 1.25rem;
  height: 2px;
  background: var(--color-cream);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.primary-nav {
  display: flex;
  align-items: center;
}

.primary-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  align-items: center;
}

.primary-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-cream);
  opacity: 0.9;
  padding: 0.5rem 0.25rem;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-beta-status {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-champagne);
  border: 1px solid rgba(232, 217, 181, 0.4);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  white-space: nowrap;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-charcoal);
    border-bottom: 1px solid rgba(247, 241, 232, 0.1);
    display: none;
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) var(--space-3) var(--space-3);
  }

  .primary-nav li {
    border-bottom: 1px solid rgba(247, 241, 232, 0.08);
  }

  .primary-nav a {
    display: block;
    padding: 0.85rem 0.25rem;
    min-height: 44px;
  }

  .nav-beta-status {
    display: inline-block;
    margin-top: var(--space-2);
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  min-height: 44px;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--color-bronze-deep);
  color: var(--color-cream);
}

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

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

.section-dark .btn-secondary {
  color: var(--color-cream);
  border-color: var(--color-cream);
}

.btn-secondary:hover {
  background: rgba(43, 38, 34, 0.08);
}

.section-dark .btn-secondary:hover {
  background: rgba(247, 241, 232, 0.1);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.btn-row-center {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding-block: var(--space-7) var(--space-6);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3rem);
  max-width: 22ch;
}

.hero-copy p.lede {
  max-width: 46ch;
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }
}

/* --------------------------------------------------------------------------
   Phone mockup (pure CSS)
   -------------------------------------------------------------------------- */

.phone-mockup {
  width: min(280px, 80vw);
  margin-inline: auto;
  background: var(--color-charcoal);
  border-radius: 2.25rem;
  padding: 0.6rem;
  box-shadow: var(--shadow-lg);
}

.phone-mockup-screen {
  background: var(--color-cream);
  border-radius: 1.75rem;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  display: flex;
  flex-direction: column;
}

.phone-mockup-notch {
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup-notch::before {
  content: "";
  width: 3.5rem;
  height: 0.4rem;
  background: rgba(43, 38, 34, 0.25);
  border-radius: 999px;
}

.phone-mockup-bar {
  background: var(--color-espresso);
  color: var(--color-cream);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.6rem 0.9rem;
}

.phone-mockup-body {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.phone-mockup-row {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 0.55rem 0.7rem;
  font-size: 0.7rem;
  color: var(--color-text);
}

.phone-mockup-row strong {
  display: block;
  font-size: 0.75rem;
  color: var(--color-charcoal);
}

.phone-mockup-row span {
  color: var(--color-text-muted);
}

.phone-mockup-row.accent {
  border-color: var(--color-bronze);
  background: var(--color-champagne);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
}

.card h3 {
  font-size: 1.125rem;
}

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

/* Feature overview groups */

.feature-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 760px) {
  .feature-groups {
    grid-template-columns: 1fr;
  }
}

.feature-group h3 {
  font-size: 1.0625rem;
  border-bottom: 2px solid var(--color-bronze);
  padding-bottom: 0.5rem;
  margin-bottom: var(--space-2);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.feature-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.9375rem;
}

/* Problem list */

.problem-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.problem-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
}

.problem-list .marker {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-champagne);
  color: var(--color-espresso);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

/* Privacy / accessibility check style lists */

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.check-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.check-list .icon {
  flex-shrink: 0;
  color: var(--color-champagne);
  font-weight: 800;
}

.section-dark .check-list .icon {
  color: var(--color-champagne);
}

/* --------------------------------------------------------------------------
   FAQ (native details/summary — accessible state built in)
   -------------------------------------------------------------------------- */

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  margin-bottom: var(--space-2);
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 44px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-bronze-deep);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item .faq-answer {
  padding: 0 var(--space-3) var(--space-3);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Beta / CTA band
   -------------------------------------------------------------------------- */

.beta-note {
  font-size: 0.875rem;
  color: var(--color-champagne);
  margin-top: var(--space-2);
  max-width: 46ch;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-charcoal);
  color: var(--color-cream);
  padding-block: var(--space-5);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-links a {
  text-decoration: none;
  color: var(--color-champagne);
  font-weight: 600;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  text-decoration: underline;
}

.footer-fine-print {
  font-size: 0.8125rem;
  color: rgba(247, 241, 232, 0.65);
  border-top: 1px solid rgba(247, 241, 232, 0.15);
  padding-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   Simple pages (privacy / accessibility / support / 404)
   -------------------------------------------------------------------------- */

.page-header {
  background: var(--color-charcoal);
  color: var(--color-cream);
  padding-block: var(--space-6) var(--space-4);
}

.page-header h1 {
  color: var(--color-cream);
  max-width: 30ch;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: var(--space-5);
}

.prose ul {
  margin-bottom: var(--space-2);
}

.notice-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-bronze);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
}

.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.error-page .container {
  text-align: center;
}

#main-content:focus {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}