/* ==========================================================================
   GentleFlex Daily — Egészség és Életmód
   Design System & Core Styles
   Format: Contemporary European Health Editorial
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Theme & Palette)
   -------------------------------------------------------------------------- */
:root {
  /* Editorial Color Palette */
  --color-bg: #FAF9F5;              /* Warm white / ivory tint */
  --color-surface: #FFFFFF;         /* Pure white cards */
  --color-surface-warm: #F4F1EA;    /* Light ivory/beige */
  --color-surface-soft: #EFECE6;    /* Subtle beige border/background */
  --color-surface-hover: #ECE8E0;   
  
  /* Primary & Accent Tones */
  --color-primary: #1E293B;         /* Deep slate/navy for structure */
  --color-primary-light: #334155;
  --color-sage: #4E7060;            /* Muted sage green */
  --color-sage-light: #EBF2EE;      /* Sage soft background */
  --color-sage-dark: #375346;       /* Sage deep text */
  --color-teal: #36665F;            /* Soft muted teal */
  --color-teal-light: #E6F0EE;
  --color-terracotta-soft: #8C6250; /* Subtle warm earth tone for accents */
  
  /* Neutral & Text Shades */
  --color-text-main: #1C2024;       /* High-contrast graphite */
  --color-text-muted: #57606A;      /* Editorial secondary text */
  --color-text-light: #7A8590;      /* Metadata / caption text */
  --color-border: #E3DDD4;          /* Soft organic divider */
  --color-border-light: #EDE8E0;
  
  /* Status & Notice Colors */
  --color-info-bg: #F0F4F8;
  --color-info-border: #CBD5E1;
  --color-info-text: #1E3A8A;
  --color-success-bg: #E8F5E9;
  --color-success-text: #1B5E20;
  --color-disclaimer-bg: #F8F6F0;
  --color-disclaimer-border: #D8D2C5;
  
  /* Typography */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4.5rem;   /* 72px */
  --space-4xl: 6rem;     /* 96px */
  
  /* Layout Sizing */
  --container-max: 1240px;
  --container-narrow: 840px;
  --container-wide: 1380px;
  --header-height: 76px;
  --header-height-mobile: 68px;
  
  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(30, 41, 59, 0.04), 0 1px 2px rgba(30, 41, 59, 0.02);
  --shadow-card: 0 4px 16px rgba(30, 41, 59, 0.06), 0 1px 3px rgba(30, 41, 59, 0.03);
  --shadow-hover: 0 10px 30px rgba(30, 41, 59, 0.09), 0 3px 6px rgba(30, 41, 59, 0.04);
  --shadow-modal: 0 20px 45px rgba(28, 32, 36, 0.15), 0 5px 15px rgba(28, 32, 36, 0.08);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Modern Reset & Box Sizing
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem; /* 17px base for superior readability */
  line-height: 1.65;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1 0 auto;
}

img, svg, picture, video {
  display: block;
  max-width: 100%;
  height: auto;
}

svg:not([width]):not([height]) {
  width: 24px;
  height: 24px;
}

.faq-icon,
svg.faq-icon {
  width: 20px !important;
  height: 20px !important;
  max-width: 20px !important;
  max-height: 20px !important;
  min-width: 20px !important;
  min-height: 20px !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* --------------------------------------------------------------------------
   3. Editorial Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.25;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.35;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 1.15rem;
  font-family: var(--font-sans);
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

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

p.lead {
  font-size: clamp(1.125rem, 1.5vw, 1.3rem);
  line-height: 1.6;
  color: var(--color-text-muted);
  font-weight: 400;
}

.text-serif { font-family: var(--font-serif); }
.text-sans { font-family: var(--font-sans); }
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.text-sage { color: var(--color-sage-dark); }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Editorial Dropcap for Longform Reads */
.editorial-body > p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 3.4rem;
  line-height: 0.85;
  float: left;
  margin-right: 0.5rem;
  margin-top: 0.2rem;
  color: var(--color-sage-dark);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   4. Layout Containers & Grid System
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

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

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

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.section-sm {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.section-lg {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

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

.section-sage {
  background-color: var(--color-sage-light);
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-split-60-40 {
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
}

.grid-split-40-60 {
  grid-template-columns: 1fr 1.4fr;
  align-items: center;
}

.grid-sidebar {
  grid-template-columns: 1fr 340px;
  gap: var(--space-2xl);
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* --------------------------------------------------------------------------
   5. Buttons, Links & Action Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-align: center;
  min-height: 48px; /* Touch target minimum */
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-subtle);
}

.btn-sage {
  background-color: var(--color-sage);
  color: #FFFFFF;
  border: 1px solid var(--color-sage);
}

.btn-sage:hover, .btn-sage:focus-visible {
  background-color: var(--color-sage-dark);
  border-color: var(--color-sage-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-subtle);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

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

.btn-text {
  padding: 0.5rem 0;
  min-height: auto;
  color: var(--color-sage-dark);
  font-weight: 600;
  border-bottom: 1.5px solid transparent;
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  min-height: 38px;
}

/* --------------------------------------------------------------------------
   6. Badges, Category Tags & Meta Pills
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  background-color: var(--color-surface-soft);
  color: var(--color-text-muted);
}

.badge-sage {
  background-color: var(--color-sage-light);
  color: var(--color-sage-dark);
}

.badge-teal {
  background-color: var(--color-teal-light);
  color: var(--color-teal);
}

.badge-warm {
  background-color: #F8ECE4;
  color: var(--color-terracotta-soft);
}

.badge-pill {
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   7. Medical & Editorial Disclaimers
   -------------------------------------------------------------------------- */
.disclaimer-box {
  background-color: var(--color-disclaimer-bg);
  border: 1px solid var(--color-disclaimer-border);
  border-left: 4px solid var(--color-sage);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-xl);
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.disclaimer-box strong {
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-sans);
}

.disclaimer-box-compact {
  padding: var(--space-md);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  font-size: 0.85rem;
}

.site-footer .disclaimer-box {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 4px solid var(--color-sage);
  color: #FFFFFF;
}

.site-footer .disclaimer-box strong {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   8. Form Inputs & Accessibility Focus Rings
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-size: 1rem;
  color: var(--color-text-main);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-sage);
  box-shadow: 0 0 0 3px rgba(78, 112, 96, 0.15);
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-hint {
  font-size: 0.825rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

.form-error {
  font-size: 0.85rem;
  color: #B91C1C;
  margin-top: 0.35rem;
  display: none;
}

.has-error input,
.has-error textarea,
.has-error select {
  border-color: #B91C1C;
  background-color: #FEF2F2;
}

.has-error .form-error {
  display: block;
}

/* --------------------------------------------------------------------------
   9. Focus States & Accessibility
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-sage);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary);
  color: #FFF;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   10. Media Queries (Responsive Breakpoints)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-sidebar {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-split-60-40,
  .grid-split-40-60 {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 3.5rem;
    --space-4xl: 4rem;
  }
  
  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}