/* ==========================================================================
   VIAR d.o.o. — Design System & Main Stylesheet
   Inspired by viar.si (Industrial Automation & Smart Manufacturing UI)
   ========================================================================== */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);
  
  /* Color Palette */
  --color-primary: #0052FF;
  --color-primary-hover: #0040CC;
  --color-primary-light: #EBF2FF;
  --color-primary-glow: rgba(0, 82, 255, 0.15);
  
  --color-dark: #0A0F1D;
  --color-dark-surface: #111827;
  --color-dark-border: #1F2937;
  
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-subtle: #F1F5F9;
  
  --color-text-main: #0F172A;
  --color-text-muted: #475569;
  --color-text-light: #94A3B8;
  
  --color-accent-teal: #0D9488;
  --color-accent-amber: #D97706;
  --color-accent-green: #16A34A;
  
  /* Spacing & Layout */
  --container-max: 1200px;
  --container-pad: 1.5rem;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.2);
  
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-narrow {
  max-width: 860px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--color-dark);
}

.brand-logo .logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text-main);
}

.mobile-toggle svg {
  width: 26px;
  height: 26px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

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

.btn-secondary {
  background-color: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.btn-secondary:hover {
  background-color: var(--color-bg-alt);
  border-color: #cbd5e1;
}

.btn-dark {
  background-color: var(--color-dark);
  color: #ffffff;
}

.btn-dark:hover {
  background-color: #1e293b;
}

.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  background: radial-gradient(circle at 80% 20%, rgba(0, 82, 255, 0.04) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(56, 189, 248, 0.03) 0%, transparent 60%),
              var(--color-bg);
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

.hero-content h1 span {
  color: var(--color-primary);
}

.hero-content p {
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat-item .stat-num {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-dark);
  font-family: var(--font-display);
}

.stat-item .stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Trust Bar / Logos */
.trust-bar {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
}

.trust-label {
  text-align: center;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem 3.5rem;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.trust-badge svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
}

/* Section Common */
.section {
  padding: 5rem 0;
}

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

.section-dark {
  background-color: var(--color-dark);
  color: #ffffff;
}

.section-dark h2, .section-dark h3, .section-dark h4 {
  color: #ffffff;
}

.section-dark p {
  color: #94A3B8;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.section-header h2 {
  margin-bottom: 1rem;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.card-link:hover {
  text-decoration: underline;
  gap: 0.6rem;
}

/* REWO Showcase Box */
.rewo-banner {
  background: linear-gradient(135deg, #0A0F1D 0%, #172554 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.rewo-banner h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.rewo-banner p {
  color: #CBD5E1;
  margin-bottom: 2rem;
}

.rewo-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(0, 82, 255, 0.25);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38BDF8;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.rewo-preview {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  color: #F8FAFC;
}

.feature-pill:last-child {
  margin-bottom: 0;
}

.feature-pill svg {
  width: 18px;
  height: 18px;
  color: #38BDF8;
  flex-shrink: 0;
}

/* Certifications Showcase */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cert-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.cert-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  width: fit-content;
  margin-bottom: 1rem;
}

/* Page Header (Subpages) */
.page-header {
  padding: 4rem 0 3rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin-bottom: 0.75rem;
}

/* Contact & Info Box */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
}

.info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-item:last-child {
  margin-bottom: 0;
}

.info-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-content h4 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.info-content p, .info-content a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

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

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text-main);
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Blog / Prose Content */
.prose {
  color: var(--color-text-main);
  max-width: 760px;
  margin: 0 auto;
}

.prose h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.prose h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.prose p {
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
}

.prose ul, .prose ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1.25rem;
  margin: 1.75rem 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.prose th, .prose td {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: #94A3B8;
  padding: 4.5rem 0 2rem;
  border-top: 1px solid var(--color-dark-border);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.9375rem;
  max-width: 320px;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-dark-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a:hover {
  color: #ffffff;
}

/* Cookie Banner & Consent Modal */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  left: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  z-index: 999;
  display: none;
  animation: slideUp 0.3s ease-out;
}

.cookie-banner.show {
  display: block;
}

.cookie-banner h4 {
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
}

.cookie-banner p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Toast notification */
.toast-notification {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--color-dark);
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(-100px);
  opacity: 0;
  transition: var(--transition);
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  z-index: 49;
  padding: 2rem var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-link.active {
  color: var(--color-primary);
}

/* Animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .rewo-banner {
    grid-template-columns: 1fr;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}