/* ============================================
   Wellness Choice Lab - Main Stylesheet
   Inspired by: Wirecutter, Healthline, Forbes Health
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #1a6b4b;
  --color-primary-dark: #145a3e;
  --color-primary-light: #e8f5e9;
  --color-accent: #2c7da0;
  --color-accent-dark: #1a5d7a;
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-text-muted: #777;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-warm: #fdf8f3;
  --color-border: #e0e0e0;
  --color-border-light: #f0f0f0;
  --color-star: #f4a100;
  --color-cta: #1a6b4b;
  --color-cta-hover: #145a3e;
  --color-disclosure: #f9f5e7;
  --color-editor-bg: #f0f7f4;
  --color-editor-border: #c8e6c9;
  --color-white: #ffffff;
  --color-black: #111111;

  --font-primary: 'Georgia', 'Times New Roman', serif;
  --font-heading: 'Helvetica Neue', 'Arial', sans-serif;
  --font-body: 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Helvetica Neue', 'Arial', sans-serif;

  --max-width: 1100px;
  --max-width-article: 750px;
  --max-width-wide: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-black);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.2rem; letter-spacing: -0.02em; }
h2 { font-size: 1.7rem; letter-spacing: -0.01em; margin-top: var(--spacing-xl); }
h3 { font-size: 1.35rem; margin-top: var(--spacing-lg); }
h4 { font-size: 1.15rem; margin-top: var(--spacing-md); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
}

ul, ol {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

strong {
  font-weight: 600;
}

blockquote {
  border-left: 4px solid var(--color-primary);
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

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

.container--article {
  max-width: var(--max-width-article);
}

.container--wide {
  max-width: var(--max-width-wide);
}

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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-black);
}

.site-header__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  font-family: var(--font-heading);
}

.site-header__logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-black);
}

.site-header__logo-tagline {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.site-nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
}

.site-footer__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.site-footer__links {
  list-style: none;
  margin: 0;
}

.site-footer__links li {
  margin-bottom: 0.4rem;
}

.site-footer__links a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.site-footer__bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.site-footer__disclosure {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--color-bg-warm) 0%, var(--color-primary-light) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero__title {
  font-size: 2.6rem;
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 650px;
  margin: 0 auto var(--spacing-lg);
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.card__image-placeholder {
  width: 100%;
  height: 200px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* --- Review Cards --- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.review-card {
  display: flex;
  flex-direction: column;
}

.review-card__category {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.review-card__title {
  font-size: 1.15rem;
  line-height: 1.4;
}

.review-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.review-card__link {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-block;
  margin-top: var(--spacing-sm);
}

/* --- Editor's Choice Box --- */
.ec-box {
  background: var(--color-editor-bg);
  border: 2px solid var(--color-editor-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  position: relative;
}

.ec-box__badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: var(--spacing-sm);
}

.ec-box__stars {
  color: var(--color-star);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 3px;
}

.ec-box__title {
  font-size: 1.6rem;
  margin-bottom: var(--spacing-xs);
}

.ec-box__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.ec-box__features {
  list-style: none;
  margin: 0 0 var(--spacing-lg);
}

.ec-box__features li {
  padding: 6px 0;
  font-size: 1rem;
}

.ec-box__features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: bold;
  margin-right: 10px;
}

/* --- CTA Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.btn--primary {
  background: var(--color-cta);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-cta-hover);
  color: var(--color-white);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary-light);
  text-decoration: none;
}

.btn--lg {
  font-size: 1.1rem;
  padding: 16px 40px;
}

.btn--block {
  display: block;
  width: 100%;
}

/* --- Affiliate Disclosure --- */
.disclosure {
  background: var(--color-disclosure);
  border: 1px solid #e8dca0;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.disclosure strong {
  color: var(--color-text);
}

/* --- Pros & Cons --- */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.pros-cons__col {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
}

.pros-cons__col--pros {
  background: #f0f7f4;
  border: 1px solid #c8e6c9;
}

.pros-cons__col--cons {
  background: #fef9f0;
  border: 1px solid #ffe0b2;
}

.pros-cons__heading {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pros-cons__list {
  list-style: none;
  margin: 0;
}

.pros-cons__list li {
  padding: 6px 0;
  font-size: 0.95rem;
}

.pros-cons__list li::before {
  margin-right: 10px;
  font-weight: bold;
}

.pros-cons__col--pros .pros-cons__list li::before {
  content: '+';
  color: var(--color-primary);
}

.pros-cons__col--cons .pros-cons__list li::before {
  content: '–';
  color: #e67e22;
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  font-size: 0.95rem;
}

.comparison-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
}

.comparison-table thead th:first-child {
  border-radius: var(--radius-sm) 0 0 0;
}

.comparison-table thead th:last-child {
  border-radius: 0 var(--radius-sm) 0 0;
}

.comparison-table tbody td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border-light);
}

.comparison-table tbody tr:nth-child(even) {
  background: var(--color-bg-alt);
}

.comparison-table tbody tr:hover {
  background: var(--color-primary-light);
}

.comparison-table .highlight-col {
  font-weight: 600;
  color: var(--color-primary);
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--spacing-md) 0;
}

.faq-item__question {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  cursor: pointer;
  color: var(--color-black);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

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

/* --- Article Content --- */
.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.article-meta__author {
  font-weight: 600;
  color: var(--color-text);
}

.article-meta__date {
  color: var(--color-text-muted);
}

.article-meta__read-time {
  color: var(--color-text-muted);
}

.article-toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.article-toc__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.article-toc__list {
  list-style: none;
  margin: 0;
  columns: 2;
}

.article-toc__list li {
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.article-toc__list a {
  text-decoration: none;
  color: var(--color-text-secondary);
}

.article-toc__list a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Image placeholders inline */
.article-image {
  margin: var(--spacing-lg) 0;
  text-align: center;
}

.article-image__placeholder {
  width: 100%;
  max-width: 700px;
  height: 380px;
  background: linear-gradient(135deg, #e8f5e9 0%, #fdf8f3 100%);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border: 1px dashed var(--color-border);
}

.article-image__caption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.article-image__prompt {
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-top: 4px;
  font-family: var(--font-sans);
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.cta-section__title {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.cta-section__text {
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--spacing-lg);
}

.cta-section .btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta-section .btn--primary:hover {
  background: #e8f5e9;
  color: var(--color-primary-dark);
}

/* --- Category Grid --- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  text-decoration: none;
  color: var(--color-text);
  transition: all 0.2s;
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-2px);
}

.category-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.category-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
}

/* --- Newsletter --- */
.newsletter {
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.newsletter__title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

.newsletter__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.newsletter__form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto;
}

.newsletter__input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.newsletter__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,107,75,0.1);
}

/* --- Page Header --- */
.page-header {
  background: var(--color-bg-alt);
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-header__title {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.page-header__subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Content Section --- */
.content-section {
  padding: var(--spacing-xl) 0;
}

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

/* --- Methodology Box --- */
.methodology-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.methodology-box__title {
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Rating Stars --- */
.stars {
  color: var(--color-star);
  letter-spacing: 2px;
  font-size: 1.1rem;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: var(--spacing-sm) 0;
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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

.breadcrumbs span {
  margin: 0 6px;
  color: var(--color-border);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  html { font-size: 16px; }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  h3 { font-size: 1.2rem; }

  .site-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }

  .site-nav.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }

  .article-toc__list {
    columns: 1;
  }

  .hero__title {
    font-size: 1.8rem;
  }

  .comparison-table {
    font-size: 0.8rem;
    display: block;
    overflow-x: auto;
  }

  .newsletter__form {
    flex-direction: column;
  }

  .review-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .site-header__logo-text {
    font-size: 1rem;
  }
}

/* --- Print --- */
@media print {
  .site-header,
  .site-footer,
  .btn,
  .newsletter,
  .cta-section,
  .mobile-menu-toggle {
    display: none;
  }
}