/* ==========================================================================
   Portal Edukacyjno-Informacyjny: Wellness Energy 50+
   Glowny arkusz stylow CSS (Standard Human Code Footprint)
   Wydawca: GOLDEN SOLUTION SINGLE MEMBER P.C.
   ========================================================================== */

:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: 'Merriweather', Georgia, Cambria, "Times New Roman", Times, serif;
  
  --color-primary: #0f2b48;
  --color-primary-light: #1e426d;
  --color-primary-dark: #0a1b2e;
  --color-accent: #059669;
  --color-accent-hover: #047857;
  --color-accent-light: #ecfdf5;
  --color-gold: #d97706;
  --color-gold-light: #fef3c7;
  
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg-light: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary-dark);
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes pulseLive {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.15); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-float {
  animation: floatSlow 4s ease-in-out infinite;
}

.pulse-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseLive 2s infinite;
}

/* Layout Utilities */
.container-custom {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header & Top Bar */
.top-notice-bar {
  background-color: #0d2137;
  color: #94a3b8;
  font-size: 0.8125rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: #334155;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
  background-color: var(--color-accent-light);
}

/* Badges */
.badge-editorial {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background-color: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.badge-gold {
  background-color: var(--color-gold-light);
  color: #92400e;
  border: 1px solid #fde68a;
}

.badge-green {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

/* Hero Section */
.hero-editorial {
  background: linear-gradient(135deg, #0a1b2e 0%, #0f2b48 60%, #163b60 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.hero-editorial::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.15) 0%, transparent 50%),
                    radial-gradient(circle at 20% 80%, rgba(217, 119, 6, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

/* Cards & Grid Items */
.editorial-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.editorial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.article-thumb-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-thumb-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent);
}

.article-thumb-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-thumb-card:hover img {
  transform: scale(1.04);
}

/* Interactive Calculator Styles */
.calculator-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  position: relative;
}

.calc-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  outline: none;
  transition: background 0.2s;
}

.calc-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid #ffffff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease;
}

.calc-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-result-badge {
  background: linear-gradient(135deg, #0f2b48 0%, #1e426d 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  background: #ffffff;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-header {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffffff;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-text-main);
  font-size: 1.0625rem;
  transition: background-color 0.2s ease;
}

.accordion-header:hover {
  background-color: #f8fafc;
}

.accordion-header .icon-arrow {
  transition: transform 0.3s ease;
  color: var(--color-accent);
}

.accordion-item.active .icon-arrow {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  background-color: #ffffff;
  padding: 0 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.accordion-item.active .accordion-content {
  max-height: 600px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* Tabs */
.tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-muted);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.tab-btn:hover:not(.active) {
  background: #e2e8f0;
  color: var(--color-text-main);
}

/* Form Styles */
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--color-text-main);
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #ffffff;
  color: var(--color-primary);
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-dark);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: var(--color-primary);
}

/* Disclaimer Box */
.disclaimer-banner {
  background-color: #fefce8;
  border-left: 4px solid #ca8a04;
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.875rem;
  color: #854d0e;
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background-color: #0a1b2e;
  color: #94a3b8;
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-heading {
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-link {
  color: #94a3b8;
  font-size: 0.875rem;
  display: block;
  margin-bottom: 0.625rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-legal-box {
  background-color: #061220;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8125rem;
  color: #64748b;
  margin-top: 2rem;
  line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-editorial {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  
  .calculator-box {
    padding: 1.25rem;
  }
}