/* ==========================================================================
   RotiTo.Me — Mobile-first, WCAG 2.2+ compliant stylesheet
   No cookies. No trackers. Privacy-first.
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg: #fefaf6;
  --fg: #1a1a1a;
  --accent: #c0392b;
  --accent-hover: #922b21;
  --surface: #fff;
  --surface-alt: #fdf2e9;
  --muted: #555;
  --border: #ddd;
  --radius: 0.5rem;
  --focus-ring: #c96b00;
  --transition: 0.25s ease;
  --max-width: 64rem;
  --spacing: 1.5rem;
}

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

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover,
a:focus-visible {
  color: var(--accent-hover);
}

/* ---------- Skip link (WCAG) ---------- */
.skip-link {
  position: absolute;
  left: -999rem;
  top: 0.5rem;
  z-index: 1000;
  background: var(--fg);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  left: 0.5rem;
}

/* ---------- Focus styles (WCAG 2.2) ---------- */
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ---------- Layout container ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing);
}

/* ---------- Section spacing ---------- */
section {
  padding-block: 3rem;
}

section:nth-child(even) {
  background: var(--surface-alt);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--fg);
}

h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 4vw, 2rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.15rem, 3vw, 1.5rem); margin-bottom: 0.75rem; }

p + p { margin-top: 0.75rem; }

.section-subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* ---------- Header / Navbar ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding-block: 0.75rem;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: none;
  list-style: none;
  gap: 1.25rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.25rem 0;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 2px solid var(--fg);
  border-radius: var(--radius);
  width: 2.75rem;
  height: 2.75rem;
  cursor: pointer;
  color: var(--fg);
}

.nav-toggle[aria-expanded="true"] ~ .nav-links {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding-top: 0.75rem;
}

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding-block: 4rem 3rem;
  background: linear-gradient(180deg, var(--surface-alt) 0%, var(--bg) 100%);
}

.hero h1 {
  margin-bottom: 0.75rem;
}

.hero-img {
  width: 100%;
  max-height: 28rem;
  object-fit: cover;
  object-position: center;
  display: block;
  margin-top: 2.5rem;
}

.hero .tagline {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero .tagline-sales {
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  color: var(--fg);
  font-weight: 600;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.35rem 1rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  min-width: 2.75rem;
  padding: 0.75rem 1.75rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

.btn.primary:hover,
.btn.primary:focus-visible {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

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

.btn.secondary:hover,
.btn.secondary:focus-visible {
  background: var(--fg);
  color: var(--bg);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* ---------- Steps / How it works ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.step-card .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.step-card h3 {
  margin-bottom: 0.5rem;
}

.step-card .icon {
  width: 2rem;
  height: 2rem;
  margin-inline: auto;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

/* ---------- Membership plans ---------- */
.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.plan-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
}

.plan-card.featured {
  border-color: var(--accent);
  position: relative;
}

.plan-card.featured::before {
  content: "Popular";
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 0.2rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.plan-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-block: 0.5rem;
}

.plan-price small {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--muted);
}

.plan-features {
  list-style: none;
  margin-block: 1rem;
  text-align: left;
}

.plan-features li {
  padding: 0.35rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Menu preview ---------- */
.menu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.menu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.menu-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.menu-card-body {
  padding: 1rem 1.25rem;
}

.menu-card-body h3 {
  margin-bottom: 0.25rem;
}

.menu-card-body p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Register interest / Onboarding ---------- */
.register-section {
  text-align: center;
}

.form-coming-soon {
  display: inline-flex;
  align-items: center;
  margin-top: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--muted);
  gap: 0.25rem;
}

.contact-fallback {
  margin-top: 1.5rem;
  font-size: 1rem;
}

.contact-fallback a {
  font-weight: 600;
}

.contact-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.contact-icons a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
}

.contact-icons a:hover,
.contact-icons a:focus-visible {
  color: var(--accent);
}

.contact-icons svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* ---------- FAQ / Accordion ---------- */
.faq-list {
  max-width: 40rem;
  margin-inline: auto;
  margin-top: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 1rem 0;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--muted);
  transition: transform var(--transition);
}

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

.faq-item .faq-answer {
  padding-bottom: 1rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- Accessibility toggle bar ---------- */
.a11y-bar {
  text-align: center;
  padding-block: 2rem;
  background: var(--surface);
}

.a11y-bar p {
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--fg);
  color: var(--bg);
  border: 2px solid var(--fg);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.toggle-btn:hover,
.toggle-btn:focus-visible {
  background: transparent;
  color: var(--fg);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--fg);
  color: var(--bg);
  padding-block: 2.5rem;
  text-align: center;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--bg);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--focus-ring);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  list-style: none;
}

.footer-privacy {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.footer-powered {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

/* ==========================================================================
   High-contrast / Kindle Paperwhite mode (bw-mode)
   ========================================================================== */
.bw-mode {
  --bg: #fff;
  --fg: #000;
  --accent: #000;
  --accent-hover: #333;
  --surface: #fff;
  --surface-alt: #f5f5f5;
  --muted: #222;
  --border: #000;
  --focus-ring: #000;
}

.bw-mode img {
  filter: grayscale(100%) contrast(120%);
}

.bw-mode .badge {
  background: #000;
  color: #fff;
}

.bw-mode .btn.primary {
  background: #000;
  color: #fff;
  border-color: #000;
}

.bw-mode .btn.primary:hover,
.bw-mode .btn.primary:focus-visible {
  background: #333;
  border-color: #333;
}

.bw-mode .hero {
  background: #fff;
}

.bw-mode section:nth-child(even) {
  background: #f5f5f5;
}

.bw-mode .site-footer {
  background: #000;
  color: #fff;
}

.bw-mode .site-footer a:hover,
.bw-mode .site-footer a:focus-visible {
  color: #ddd;
}

.bw-mode .site-footer :focus-visible {
  outline-color: #fff;
}

/* prefers-contrast media query (system-level) */
@media (prefers-contrast: more) {
  :root {
    --bg: #fff;
    --fg: #000;
    --accent: #000;
    --accent-hover: #333;
    --surface: #fff;
    --surface-alt: #f5f5f5;
    --muted: #222;
    --border: #000;
    --focus-ring: #000;
  }

  img { filter: grayscale(100%) contrast(120%); }

  .site-footer a:hover,
  .site-footer a:focus-visible {
    color: #ddd;
  }

  .site-footer :focus-visible {
    outline-color: #fff;
  }
}

/* ==========================================================================
   Responsive — Tablet (≥ 600px)
   ========================================================================== */
@media (min-width: 37.5rem) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

/* ==========================================================================
   Responsive — Desktop (≥ 960px)
   ========================================================================== */
@media (min-width: 60rem) {
  .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .steps-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .plans-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .menu-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  section {
    padding-block: 4.5rem;
  }

  .hero {
    padding-block: 6rem 4rem;
  }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  .site-header,
  .nav-toggle,
  .a11y-bar,
  .skip-link { display: none; }

  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
  }

  a { color: #000; text-decoration: underline; }
  img { filter: grayscale(100%); }
}