:root {
  --color-bg: #ffffff;
  --color-fg: #000000;
  --color-gray: #f5f5f5;
  --color-gray-dark: #767676;
  --color-accent: #ff3b30;
  --color-focus: #005bb5;
  
  --space-4: 4px;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;
  
  --font-base: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-base);
  line-height: 1.5;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6, .nav-link, .brand-name {
  overflow-wrap: anywhere;
  margin-top: 0;
  margin-bottom: var(--space-16);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

@media (min-width: 768px) {
  h1 { font-size: 4rem; }
  h2 { font-size: 3rem; }
  h3 { font-size: 2rem; }
}

p, ul, ol, dl, table {
  margin-top: 0;
  margin-bottom: var(--space-24);
}

a {
  color: var(--color-fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--color-accent);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

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

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

/* Header */
.site-header {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-16);
  border-bottom: 2px solid var(--color-fg);
  background-color: var(--color-bg);
}

@media (max-width: 399px) {
  .site-header { height: 48px; }
}
@media (min-width: 768px) {
  .site-header {
    height: 64px;
    padding: 0 var(--space-40);
  }
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  min-width: 0;
}

.brand-logo {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  margin: 0;
  line-height: 1;
}

.header-nav {
  display: none;
}

@media (min-width: 1024px) {
  .header-nav {
    display: flex;
    gap: var(--space-24);
    align-items: center;
  }
  .nav-link {
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0;
  }
  .mobile-menu-btn {
    display: none;
  }
}

.header-cta {
  display: none;
}
@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
    background-color: var(--color-fg);
    color: var(--color-bg);
    padding: var(--space-8) var(--space-16);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 700;
  }
  .header-cta:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
  }
}

.mobile-menu-btn {
  background: none;
  border: none;
  padding: var(--space-8);
  cursor: pointer;
  color: var(--color-fg);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 52px;
  left: 0;
  width: 100%;
  height: calc(100vh - 52px);
  background-color: var(--color-bg);
  z-index: 100;
  padding: var(--space-24) var(--space-16);
  border-bottom: 2px solid var(--color-fg);
  overflow-y: auto;
}
@media (max-width: 399px) {
  .mobile-nav-overlay {
    top: 48px;
    height: calc(100vh - 48px);
  }
}
.mobile-nav-overlay.is-visible {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}
.mobile-nav-overlay a {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-16);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--space-40); }
}

.section {
  padding: var(--space-64) 0;
  border-bottom: 2px solid var(--color-fg);
}

.section-hero {
  padding: var(--space-64) 0 var(--space-64) 0;
}

/* Swiss Minimalist Asymmetry */
.grid-asymmetric {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-40);
}
@media (min-width: 768px) {
  .grid-asymmetric {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-64);
  }
}
@media (min-width: 1024px) {
  .grid-asymmetric {
    grid-template-columns: 5fr 3fr;
  }
}
.grid-child, .flex-child {
  min-width: 0;
}

/* Horizontal Split Card */
.card-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-40);
}
.card-horizontal {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}
@media (min-width: 768px) {
  .card-horizontal {
    flex-direction: row;
    align-items: stretch;
  }
}
.card-media {
  background-color: var(--color-gray);
}
@media (min-width: 768px) {
  .card-media {
    width: 40%;
    flex-shrink: 0;
  }
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (min-width: 768px) {
  .card-content {
    width: 60%;
  }
}
.card-meta {
  font-size: 0.875rem;
  color: var(--color-gray-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-8);
}
.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-16);
}
.card-title a {
  text-decoration: none;
}
.card-title a:hover {
  text-decoration: underline;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: auto;
  padding-top: var(--space-24);
}
.tag {
  background-color: var(--color-fg);
  color: var(--color-bg);
  font-size: 0.75rem;
  padding: var(--space-4) var(--space-8);
  font-weight: 700;
  text-transform: uppercase;
}

/* Statistics Block */
.stat-block {
  margin-top: var(--space-40);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-24);
  border-top: 2px solid var(--color-fg);
  padding-top: var(--space-24);
}
@media (min-width: 400px) {
  .stat-block { grid-template-columns: 1fr 1fr; }
}
.stat-figure {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}
.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-dark);
}

/* Article Content Formatting */
.article-header {
  padding: var(--space-64) 0 var(--space-40) 0;
  border-bottom: 2px solid var(--color-fg);
  margin-bottom: var(--space-40);
}
.article-body {
  max-width: 800px;
}
.article-body h2 {
  margin-top: var(--space-40);
}
.article-body p {
  margin-bottom: var(--space-16);
}
.article-body ul {
  padding-left: var(--space-24);
}
.article-body li {
  margin-bottom: var(--space-8);
}

/* Tables */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-bottom: var(--space-24);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}
th, td {
  text-align: left;
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-gray-dark);
}
th {
  font-weight: 700;
  background-color: var(--color-gray);
  color: var(--color-fg);
}

/* Contact Form */
.form-group {
  margin-bottom: var(--space-24);
}
.form-label {
  display: block;
  font-weight: 700;
  margin-bottom: var(--space-8);
}
.form-input, .form-textarea {
  width: 100%;
  padding: var(--space-16);
  border: 2px solid var(--color-fg);
  background-color: var(--color-bg);
  color: var(--color-fg);
  font-family: inherit;
  font-size: 1rem;
}
.form-textarea {
  min-height: 150px;
  resize: vertical;
}
.form-input.is-invalid, .form-textarea.is-invalid {
  border-color: var(--color-accent);
}
.form-error {
  display: none;
  color: var(--color-accent);
  font-size: 0.875rem;
  margin-top: var(--space-4);
  font-weight: 700;
}
.form-error.is-visible {
  display: block;
}
.btn-submit {
  background-color: var(--color-fg);
  color: var(--color-bg);
  border: none;
  padding: var(--space-16) var(--space-40);
  font-size: 1.125rem;
  font-weight: 700;
  cursor: pointer;
}
.btn-submit:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}
.map-block {
  background-color: var(--color-gray);
  width: 100%;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-fg);
}
.map-placeholder-text {
  font-weight: 700;
  color: var(--color-gray-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Footer */
.site-footer {
  padding: var(--space-64) 0;
  background-color: var(--color-bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-40);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
.footer-col h4 {
  font-size: 1rem;
  margin-bottom: var(--space-16);
  text-transform: uppercase;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: var(--space-8);
}
.footer-links a {
  text-decoration: none;
  color: var(--color-gray-dark);
}
.footer-links a:hover {
  color: var(--color-fg);
}
.footer-bottom {
  margin-top: var(--space-64);
  padding-top: var(--space-24);
  border-top: 2px solid var(--color-fg);
  font-size: 0.875rem;
  color: var(--color-gray-dark);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-fg);
  color: var(--color-bg);
  padding: var(--space-24);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease-in-out;
}
.cookie-banner.is-visible {
  transform: translateY(0);
}
.cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}
@media (min-width: 768px) {
  .cookie-banner-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.cookie-text {
  font-size: 0.875rem;
  margin: 0;
}
.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}
.cookie-btn {
  background-color: var(--color-bg);
  color: var(--color-fg);
  border: 1px solid var(--color-bg);
  padding: var(--space-8) var(--space-16);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}
.cookie-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}
.cookie-btn-outline {
  background-color: transparent;
  color: var(--color-bg);
}
.cookie-btn-outline:hover {
  background-color: var(--color-bg);
  color: var(--color-fg);
}

@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;
  }
}