/* ============================================================
   WISE PLATE — Design System
   Health & Nutrition Blog · RTL Hebrew · Flat Design
   Color palette: Healthy Green (#059669) + Orange accent
   Typography: Rubik (headings) + Heebo (body)
   ============================================================ */

:root {
  /* --- Colors --- */
  --color-primary:        #059669;
  --color-primary-light:  #10B981;
  --color-primary-dark:   #047857;
  --color-accent:         #EA580C;
  --color-accent-light:   #F97316;

  --color-bg:             #F8FBF9;
  --color-bg-alt:         #ECFDF5;
  --color-card:           #FFFFFF;

  --color-text:           #0F172A;
  --color-text-muted:     #64748B;
  --color-heading:        #064E3B;

  --color-border:         #D1FAE5;
  --color-border-card:    #E5E7EB;

  /* --- Typography --- */
  --font-heading: 'Rubik', sans-serif;
  --font-body:    'Heebo', sans-serif;

  /* --- Type scale --- */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;

  /* --- Spacing (8pt grid) --- */
  --s1:  0.25rem;
  --s2:  0.5rem;
  --s3:  0.75rem;
  --s4:  1rem;
  --s5:  1.25rem;
  --s6:  1.5rem;
  --s8:  2rem;
  --s10: 2.5rem;
  --s12: 3rem;
  --s16: 4rem;
  --s20: 5rem;

  /* --- Layout --- */
  --container-max: 1200px;
  --article-max:   740px;

  /* --- Radii --- */
  --r-sm:  0.25rem;
  --r:     0.5rem;
  --r-lg:  0.75rem;
  --r-xl:  1rem;
  --r-2xl: 1.5rem;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 3px rgba(5,150,105,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(5,150,105,.10), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 8px 32px rgba(5,150,105,.12), 0 4px 12px rgba(0,0,0,.07);

  /* --- Transitions --- */
  --t-fast:   150ms ease;
  --t-normal: 200ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  direction: rtl;
  font-size: 16px;
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--t-fast);
}
a:hover { color: var(--color-primary-dark); }
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.3;
  font-weight: 700;
}

/* ============================================================
   SKIP LINK (accessibility)
   ============================================================ */

.skip-link {
  position: absolute;
  top: -100%;
  right: var(--s4);
  padding: var(--s2) var(--s4);
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  border-radius: var(--r);
  z-index: 999;
  transition: top var(--t-fast);
}
.skip-link:focus { top: var(--s4); }

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s6);
}
@media (max-width: 768px) {
  .container { padding: 0 var(--s4); }
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--s8);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-heading);
  white-space: nowrap;
}
.nav-brand:hover { color: var(--color-primary); }

.nav-brand-icon {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s1);
  list-style: none;
}

.nav-links a {
  display: block;
  padding: var(--s2) var(--s3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--r);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary-dark);
  background: var(--color-bg-alt);
}
.nav-links a.active { font-weight: 600; }

@media (max-width: 580px) {
  .nav-links { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  background: linear-gradient(160deg, var(--color-bg-alt) 0%, #F0FDF4 55%, #FEFCE8 100%);
  padding: var(--s20) 0 var(--s16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(5,150,105,.05) 0%, transparent 65%);
  pointer-events: none;
}

.hero-label {
  display: inline-block;
  padding: var(--s1) var(--s3);
  background: var(--color-primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: .06em;
  margin-bottom: var(--s4);
}

.hero-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--s4);
  max-width: 20ch;
  margin-inline: auto;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin: 0 auto var(--s8);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s4);
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s3) var(--s6);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--r);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--t-normal);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section       { padding: var(--s16) 0; }
.section-alt   { background: var(--color-bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: var(--s10);
}
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--s2);
}
.section-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--s3);
}
.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
}

/* ============================================================
   SECTION FEATURE CARDS (homepage)
   ============================================================ */

.section-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--s6);
}

.section-card {
  background: var(--color-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--r-xl);
  padding: var(--s8);
  text-decoration: none;
  color: inherit;
  transition: all var(--t-normal);
  display: block;
}
.section-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
  color: inherit;
}

.section-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s4);
}
.section-card-icon svg { width: 26px; height: 26px; }

.icon-green  { background: #D1FAE5; color: var(--color-primary); }
.icon-orange { background: #FFF7ED; color: var(--color-accent); }
.icon-blue   { background: #EFF6FF; color: #3B82F6; }

.section-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--s2);
}
.section-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--s4);
}
.section-card-cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--s2);
}

/* Arrow flipped for RTL — points right (←) */
.arrow-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--t-fast);
  transform: scaleX(-1);
  flex-shrink: 0;
}
.section-card:hover .arrow-icon { transform: scaleX(-1) translateX(-3px); }

/* ============================================================
   ARTICLE CARDS GRID
   ============================================================ */

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--s6);
}

.article-card {
  background: var(--color-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-normal);
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #A7F3D0;
}

.article-card-body {
  padding: var(--s6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-wrap: wrap;
  margin-bottom: var(--s3);
}
.article-card-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.tag {
  display: inline-block;
  padding: 2px var(--s2);
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: 100px;
  border: 1px solid var(--color-border);
}

.article-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--s2);
  line-height: 1.4;
}
.article-card-title a {
  color: var(--color-heading);
  transition: color var(--t-fast);
}
.article-card-title a:hover { color: var(--color-primary); }

.article-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  flex: 1;
}

.article-card-footer {
  padding: var(--s3) var(--s6);
  border-top: 1px solid var(--color-border-card);
  display: flex;
  justify-content: flex-end;
}

.read-more {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
  transition: gap var(--t-fast), color var(--t-fast);
}
.read-more:hover {
  color: var(--color-primary-dark);
  gap: var(--s2);
}

/* ============================================================
   VIEW ALL CTA
   ============================================================ */

.view-all-wrap {
  text-align: center;
  margin-top: var(--s10);
}

/* ============================================================
   LIST PAGE
   ============================================================ */

.list-header {
  background: linear-gradient(160deg, var(--color-bg-alt) 0%, #F0FDF4 100%);
  padding: var(--s16) 0 var(--s10);
}
.list-header-inner { max-width: 660px; }

.list-header-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--s3);
}
.list-header-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.list-content { padding: var(--s12) 0; }

/* Sub-sections block inside a list page */
.subsections {
  margin-bottom: var(--s10);
}
.subsections-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: .04em;
  margin-bottom: var(--s4);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
  margin-bottom: var(--s4);
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-text-muted); }

/* ============================================================
   SINGLE ARTICLE
   ============================================================ */

.article-header {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: var(--s12) 0 var(--s8);
  text-align: center;
}

.article-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  flex-wrap: wrap;
  margin-bottom: var(--s4);
}

.article-title {
  font-size: clamp(var(--text-2xl), 4.5vw, var(--text-4xl));
  font-weight: 700;
  color: var(--color-heading);
  max-width: 24ch;
  margin: 0 auto var(--s4);
  line-height: 1.25;
}

.article-description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 58ch;
  margin: 0 auto var(--s4);
  line-height: 1.8;
}

.article-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: block;
}

/* Article body */
.article-body { padding: var(--s12) 0 var(--s16); }

.article-content {
  max-width: var(--article-max);
  margin: 0 auto;
  font-size: var(--text-lg);
  line-height: 1.9;
  color: var(--color-text);
}

/* Article typography */
.article-content h2 {
  font-size: var(--text-2xl);
  margin: var(--s10) 0 var(--s4);
  padding-bottom: var(--s2);
  border-bottom: 2px solid var(--color-border);
}
.article-content h3 {
  font-size: var(--text-xl);
  margin: var(--s8) 0 var(--s3);
  color: var(--color-primary-dark);
}
.article-content h4 {
  font-size: var(--text-lg);
  margin: var(--s6) 0 var(--s2);
}

.article-content p { margin-bottom: var(--s4); }

.article-content ul,
.article-content ol {
  margin: var(--s4) 0 var(--s4) 0;
  padding-inline-start: var(--s6);
  padding-inline-end: 0;
}
.article-content li { margin-bottom: var(--s2); }

.article-content strong {
  font-weight: 700;
  color: var(--color-heading);
}

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary-light);
  text-underline-offset: 3px;
}
.article-content a:hover {
  text-decoration-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* Tables */
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--s6) 0;
  font-size: var(--text-sm);
  background: var(--color-card);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.article-content th {
  background: var(--color-bg-alt);
  color: var(--color-heading);
  font-weight: 700;
  padding: var(--s3) var(--s4);
  text-align: right;
  border-bottom: 2px solid var(--color-border);
}
.article-content td {
  padding: var(--s3) var(--s4);
  border-bottom: 1px solid var(--color-border-card);
}
.article-content tr:last-child td { border-bottom: none; }
.article-content tr:hover td { background: var(--color-bg); }

/* Blockquote */
.article-content blockquote {
  border-inline-start: 4px solid var(--color-primary);
  margin: var(--s6) 0;
  padding: var(--s4) var(--s6);
  background: var(--color-bg-alt);
  border-radius: 0 var(--r) var(--r) 0;
}
.article-content blockquote p { margin-bottom: 0; color: var(--color-heading); }

/* Code */
.article-content code {
  font-size: .875em;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--r-sm);
  padding: 2px 6px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-heading);
  color: #A7F3D0;
  padding: var(--s12) 0 var(--s8);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s10);
  padding-bottom: var(--s8);
  border-bottom: 1px solid rgba(167,243,208,.15);
  margin-bottom: var(--s6);
}

@media (max-width: 580px) {
  .footer-inner { grid-template-columns: 1fr; }
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--s3);
  display: flex;
  align-items: center;
  gap: var(--s2);
}
.footer-brand-icon {
  width: 26px;
  height: 26px;
  color: var(--color-primary-light);
}
.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: #6EE7B7;
  max-width: 36ch;
}

.footer-nav-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: white;
  margin-bottom: var(--s3);
}
.footer-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}
.footer-nav-links a {
  font-size: var(--text-sm);
  color: #6EE7B7;
  transition: color var(--t-fast);
}
.footer-nav-links a:hover { color: white; }

.footer-bottom {
  font-size: var(--text-xs);
  color: #6EE7B7;
  text-align: center;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

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