/* Rioza — rioza.digital | independent urban journalism */
:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-text: #1a1d21;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-accent: #2563eb;
  --color-accent-light: #dbeafe;
  --color-accent-hover: #1d4ed8;
  --radius: 12px;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, monospace;
  --stream-width: 680px;
  --page-width: 960px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --line-height: 1.55;
  --line-height-tight: 1.3;
  --transition: 0.18s ease;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: var(--line-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Minimal header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-logo span {
  color: var(--color-accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.header-nav {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  font-weight: 500;
}

.header-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.header-nav a:hover,
.header-nav a[aria-current="page"] {
  color: var(--color-accent);
}

/* Stream layout */
.stream {
  max-width: var(--stream-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  width: 100%;
}

.page-wide {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  width: 100%;
}

/* Homepage intro */
.stream-intro {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.stream-intro h1 {
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}

.stream-intro p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* Article stream cards — flat */
.article-stream {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.stream-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.stream-card:hover {
  border-color: var(--color-accent);
}

.stream-card a.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.stream-card a.card-link:hover {
  text-decoration: none;
}

.stream-card-inner {
  padding: var(--spacing-md);
}

.stream-card .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

.stream-card .category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.stream-card h2 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.stream-card .excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.stream-card .meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Editorial note block */
.editorial-note {
  background: var(--color-accent-light);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-size: 0.875rem;
  border-left: 3px solid var(--color-accent);
}

.editorial-note strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent-hover);
}

/* Article reading — minimalist */
.article-header {
  margin-bottom: var(--spacing-lg);
}

.article-header .category {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.article-header h1 {
  font-size: clamp(1.625rem, 4.5vw, 2.125rem);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.025em;
  margin-bottom: var(--spacing-sm);
}

.article-header .dek {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.author-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.author-chip img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.article-hero {
  border-radius: var(--radius);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
}

.article-body {
  font-size: 0.9375rem;
}

.article-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: var(--spacing-md) 0 var(--spacing-xs);
}

.article-body p {
  margin-bottom: var(--spacing-sm);
}

.article-body ul,
.article-body ol {
  margin: var(--spacing-sm) 0 var(--spacing-sm) 1.25rem;
}

.article-body li {
  margin-bottom: 0.35rem;
}

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
  color: var(--color-text-muted);
  font-style: italic;
  background: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.data-point {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.data-point strong {
  color: var(--color-accent);
}

.article-updated {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

/* Related articles */
.related-block {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.related-block h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.related-list a {
  display: block;
  padding: var(--spacing-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.875rem;
}

.related-list a:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

/* Page content (about, legal) */
.page-header {
  margin-bottom: var(--spacing-lg);
}

.page-header h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}

.page-header .lead {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.prose h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--spacing-md) 0 var(--spacing-xs);
}

.prose p {
  margin-bottom: var(--spacing-sm);
}

.prose ul,
.prose ol {
  margin: var(--spacing-sm) 0 var(--spacing-sm) 1.25rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 480px;
}

.contact-form label {
  font-size: 0.8125rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.contact-form button {
  align-self: flex-start;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.625rem 1.25rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.contact-form button:hover {
  background: var(--color-accent-hover);
}

.contact-info {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

/* Articles listing */
.articles-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.filter-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
  background: var(--color-surface);
}

.filter-tag.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* Author cards */
.author-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.author-card {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.author-card img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.author-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-card .role {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.author-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) var(--spacing-md);
}

.footer-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-md);
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
}

.footer-brand span {
  color: var(--color-accent);
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-md);
  font-size: 0.8125rem;
}

.footer-nav a {
  color: var(--color-text-muted);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

/* Cookie notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-text);
  color: #f9fafb;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 200;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-notice.is-visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  font-size: 0.8125rem;
}

.cookie-inner a {
  color: var(--color-accent-light);
}

.cookie-accept {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.cookie-accept:hover {
  background: var(--color-accent-hover);
}

/* Responsive */
@media (max-width: 640px) {
  .menu-toggle {
    display: block;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-xs);
  }

  .header-nav.is-open {
    display: flex;
  }

  .site-header {
    position: relative;
  }

  .author-card {
    flex-direction: column;
    align-items: flex-start;
  }
}