/* ============================================================
   Ju Receitas Fácil — Design System v2
   Apple-Inspired Minimalism • 50+ Audience • Mobile-First
   System Fonts • WhatsApp Green • WCAG AA Contrast
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Primary (WhatsApp Green) */
  --color-primary: #25D366;
  --color-primary-hover: #1DA851;
  --color-primary-light: #E8F5E9;
  --color-primary-shadow: rgba(37, 211, 102, 0.3);

  /* Secondary (Urgency/Warmth) */
  --color-secondary: #FF9500;
  --color-secondary-dark: #E68A00;
  --color-secondary-light: #FFD89B;

  /* Neutrals (High Contrast for 50+) */
  --color-bg: #FFFFFF;
  --color-surface: #F5F5F7;
  --color-text: #1D1D1F;
  --color-text-secondary: #6E6E73;
  --color-border: #D2D2D7;
  --color-footer-bg: #1D1D1F;
  --color-footer-text: #F5F5F7;

  /* Semantic */
  --color-success: #34C759;
  --color-warning: #FF9500;

  /* Typography — System Stack (no web fonts = instant render) */
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-body: 20px;
  --font-size-small: 18px;
  --font-size-sub: 24px;
  --font-size-heading: 32px;
  --font-size-hero: 40px;
  --line-height: 1.6;

  /* Spacing (8px rhythm) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  /* Borders & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 980px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-cta: 0 4px 16px var(--color-primary-shadow);

  /* Layout */
  --max-width: 1200px;
  --container-padding: var(--space-sm);
}

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

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

body {
  font-family: var(--font-stack);
  font-size: 20px;
  /* FIXED: Was referencing var, now explicit 20px for 50+ readability */
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

h1 {
  font-size: 40px;
  /* FIXED: Was 32px (var), now 40px for 50+ visibility */
}

h2 {
  font-size: 32px;
  /* FIXED: Was 24px (var), now 32px for hierarchy */
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--font-size-sub);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-sm);
}

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

.text-small {
  font-size: var(--font-size-small);
}

/* --- Header / Nav --- */
.site-header {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: var(--font-size-sub);
  font-weight: 700;
  color: var(--color-text);
}

.site-logo span {
  color: var(--color-primary);
}

.site-nav a {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  padding: var(--space-xs) var(--space-sm);
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-primary);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: var(--space-sm) 0;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumb a:hover {
  color: var(--color-primary-hover);
}

.breadcrumb span {
  margin: 0 var(--space-xs);
}

/* --- Hero Section --- */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-sm);
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.hero-emoji {
  font-size: 80px;
  display: block;
  margin-bottom: var(--space-md);
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

.hero h1 {
  margin-bottom: var(--space-sm);
  max-width: 600px;
}

.hero p {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin-bottom: var(--space-lg);
}

/* Social Proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.social-proof-avatars {
  display: flex;
}

.social-proof-avatars span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-light);
  border: 2px solid var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-left: -8px;
}

.social-proof-avatars span:first-child {
  margin-left: 0;
}

.social-proof-text {
  font-size: 16px;
  color: var(--color-text-secondary);
}

/* --- Primary CTA Button (WhatsApp) --- */
.cta-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-body);
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 980px; /* FIXED: Pill-shaped */
  min-height: 56px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-cta);
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.cta-whatsapp:hover,
.cta-whatsapp:focus {
  background-color: var(--color-primary-hover);
  transform: scale(1.05);
  box-shadow: 0 6px 24px var(--color-primary-shadow);
}

.cta-whatsapp:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.cta-whatsapp svg {
  width: 24px;
  height: 24px;
  fill: #FFFFFF;
  flex-shrink: 0;
}

/* Secondary CTA */
.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  background-color: transparent;
  color: var(--color-primary);
  font-size: var(--font-size-small);
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 980px; /* FIXED: Pill-shaped */
  min-height: 56px;
  border: 2px solid var(--color-primary);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  text-decoration: none;
}

.cta-secondary:hover,
.cta-secondary:focus {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* --- Value Proposition Grid --- */
.value-props {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.value-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.value-icon {
  font-size: 48px;
  display: block;
  margin-bottom: var(--space-sm);
}

.value-card h3 {
  font-size: var(--font-size-sub);
  margin-bottom: var(--space-xs);
}

.value-card p {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  max-width: 280px;
  margin: 0 auto;
}

/* --- Recipe Card Grid --- */
.recipe-section {
  padding: var(--space-xl) 0;
  background: var(--color-surface);
}

.recipe-section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.recipe-section-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

.recipe-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.recipe-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.recipe-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.recipe-card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Recipe Card Image with Fallback */
.recipe-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--color-surface);
}

.recipe-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recipe-card-image-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFE5B4 0%, #FFD700 100%);
  font-size: 64px;
}

.recipe-card-body {
  padding: var(--space-sm);
}

.recipe-card-body h3 {
  font-size: var(--font-size-body);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.recipe-meta {
  display: flex;
  gap: var(--space-sm);
  font-size: 16px;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.recipe-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- Quick Summary Box (Recipe Page) --- */
.quick-summary {
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

.quick-summary h3 {
  font-size: var(--font-size-sub);
  margin-bottom: var(--space-sm);
}

.quick-summary ul {
  list-style: none;
}

.quick-summary li {
  font-size: var(--font-size-body);
  padding: var(--space-xs) 0;
  line-height: var(--line-height);
}

/* --- Ingredients List --- */
.ingredients-section {
  margin: var(--space-lg) 0;
}

.ingredients-list {
  list-style: none;
}

.ingredients-list li {
  font-size: var(--font-size-body);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.8;
}

.ingredients-list li:last-child {
  border-bottom: none;
}

/* --- Instructions (Numbered Steps) --- */
.instructions-section {
  margin: var(--space-lg) 0;
}

.instructions-list {
  list-style: none;
  counter-reset: step-counter;
}

.instructions-list li {
  counter-increment: step-counter;
  font-size: var(--font-size-body);
  padding: var(--space-sm) 0;
  padding-left: 48px;
  position: relative;
  line-height: var(--line-height);
  border-bottom: 1px solid var(--color-border);
}

.instructions-list li:last-child {
  border-bottom: none;
}

.instructions-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: var(--space-sm);
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

/* --- Conversion Box 1 (Mid-Content, Orange Gradient) --- */
.conversion-box-mid {
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--space-lg) 0;
}

.conversion-box-mid h3 {
  font-size: var(--font-size-sub);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.conversion-box-mid p {
  font-size: var(--font-size-small);
  color: var(--color-text);
  margin-bottom: var(--space-md);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Conversion Box 2 (End of Recipe, Green) --- */
.conversion-box-end {
  background: var(--color-primary-light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--space-lg) 0;
}

.conversion-box-end h3 {
  font-size: var(--font-size-sub);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.conversion-box-end p {
  font-size: var(--font-size-small);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.benefits-list {
  list-style: none;
  text-align: left;
  max-width: 360px;
  margin: 0 auto var(--space-md);
}

.benefits-list li {
  font-size: var(--font-size-small);
  padding: var(--space-xs) 0;
  line-height: var(--line-height);
}

.conversion-reassurance {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

/* --- FAQ Section --- */
.faq-section {
  margin: var(--space-lg) 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-size: var(--font-size-body);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.faq-answer {
  font-size: 19px;
  color: var(--color-text-secondary);
  line-height: var(--line-height);
}

/* --- Related Recipes --- */
.related-section {
  padding: var(--space-lg) 0;
  margin: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

/* --- Sticky Bottom Bar (Mobile CTA) --- */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm);
  padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
  display: none;
  text-align: center;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-bar.visible {
  display: block;
  transform: translateY(0);
}

.sticky-bar p {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.sticky-bar .cta-whatsapp {
  width: 100%;
  font-size: var(--font-size-small);
  padding: var(--space-sm);
  min-height: 48px;
}

/* --- Video Embed --- */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
  background: var(--color-surface);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-lg) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-footer-text);
  font-size: var(--font-size-small);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-copy {
  font-size: 16px;
  opacity: 0.6;
}

/* --- Recipe Page Layout (Desktop Sidebar) --- */
.recipe-archive-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.sidebar {
  display: none;
}

.sidebar-cta {
  background: var(--color-primary-light);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  margin-top: var(--space-md);
}

.sidebar-cta h3 {
  font-size: var(--font-size-body);
  margin-bottom: var(--space-sm);
}

.sidebar-categories h3 {
  font-size: var(--font-size-body);
  margin-bottom: var(--space-sm);
}

.sidebar-categories ul {
  list-style: none;
}

.sidebar-categories li {
  padding: var(--space-xs) 0;
}

.sidebar-categories a {
  font-size: var(--font-size-small);
  color: var(--color-primary);
}

.sidebar-categories a:hover {
  text-decoration: underline;
}

/* --- Intro Paragraph (Recipe) --- */
.recipe-intro {
  font-size: var(--font-size-body);
  font-style: italic;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: var(--space-sm) 0 var(--space-md);
  line-height: var(--line-height);
}

/* --- Recipe Page Article --- */
.recipe-article {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-sm);
}

.recipe-article h1 {
  font-size: 36px;
  margin-bottom: var(--space-sm);
}

.recipe-hero-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: var(--space-md) 0;
  position: relative;
  background: var(--color-surface);
}

.recipe-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recipe-hero-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFE5B4 0%, #FFD700 100%);
  font-size: 80px;
}

/* --- Focus & Accessibility --- */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #FFFFFF;
  padding: var(--space-xs) var(--space-sm);
  z-index: 9999;
  font-size: var(--font-size-small);
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  top: 0;
}

/* --- Section Heading with View All --- */
.section-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.view-all-link {
  color: var(--color-primary);
  font-size: var(--font-size-small);
  font-weight: 600;
}

.view-all-link:hover {
  text-decoration: underline;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   Mobile: < 768px (default)
   Tablet: 768px - 1024px
   Desktop: > 1024px (max-width 1200px)
   ============================================================ */

@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-md);
  }

  h1 {
    font-size: var(--font-size-hero);
  }

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

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

  .recipe-card-image {
    height: 220px;
  }

  .recipe-hero-image {
    height: 400px;
  }

  .recipe-article h1 {
    font-size: var(--font-size-hero);
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-lg);
  }

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

  .recipe-archive-layout {
    grid-template-columns: 1fr 280px;
  }

  .sidebar {
    display: block;
  }

  /* Hide sticky bar on desktop */
  .sticky-bar {
    display: none !important;
  }
}

/* Mobile-specific */
@media (max-width: 767px) {
  h1 {
    font-size: 32px;
  }

  .hero {
    min-height: 80vh;
    padding: var(--space-lg) var(--space-sm);
  }

  .cta-whatsapp {
    width: 100%;
    margin: var(--space-sm) 0;
  }

  .recipe-article h1 {
    font-size: 28px;
  }

  .recipe-hero-image {
    height: 220px;
    border-radius: var(--radius-md);
  }

  /* Ensure body has room for sticky bar */
  body.has-sticky-bar {
    padding-bottom: 100px;
  }
}

/* iOS viewport-fit=cover support */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .sticky-bar {
    padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom));
  }
}