/* Phygital News — data-light-newsroom | tech-blue-gray */
:root {
  --primary: #3D5A80;
  --accent: #98C1D9;
  --bg: #EEF2F6;
  --text: #293241;
  --muted: #6B7B8C;
  --white: #FFFFFF;
  --border: #D4DCE4;
  --radius-soft: 6px;
  --radius-img: 8px;
  --container: 960px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --shadow-none: none;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* Header — logo-left-nav-right */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  background: var(--bg);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: 64px;
  right: 0;
  width: min(280px, 85vw);
  height: calc(100vh - 64px);
  background: var(--white);
  border-left: 1px solid var(--border);
  padding: var(--space-md);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
  z-index: 99;
}

.site-nav.is-open {
  transform: translateX(0);
}

.nav-overlay {
  position: fixed;
  inset: 64px 0 0 0;
  background: rgba(41, 50, 65, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
  z-index: 98;
}

.nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li {
  border-bottom: 1px solid var(--border);
}

.site-nav a {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--text);
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--primary);
  text-decoration: none;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-overlay {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    height: auto;
    transform: none;
    border: none;
    padding: 0;
    overflow: visible;
  }

  .site-nav ul {
    display: flex;
    gap: var(--space-md);
  }

  .site-nav li {
    border: none;
  }

  .site-nav a {
    padding: var(--space-xs) 0;
    font-size: 0.9375rem;
  }
}

/* Tags — uppercase-small */
.tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag--integracao { color: var(--primary); }
.tag--dados { color: #4A6FA5; }
.tag--consumidor { color: #5C7A8A; }

/* Buttons — subtle-ghost */
.btn {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--bg);
  border-color: var(--accent);
  text-decoration: none;
}

/* Main layout */
main {
  padding: var(--space-lg) 0 var(--space-xl);
}

.page-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-sm);
  color: var(--text);
}

.page-intro {
  font-size: 1.0625rem;
  color: var(--muted);
  margin: 0 0 var(--space-lg);
  max-width: 42rem;
}

.meta-line {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: var(--space-md);
}

.meta-line time {
  font-variant-numeric: tabular-nums;
}

/* Homepage — text-only-lead */
.lead-story {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.lead-story .tag {
  margin-bottom: var(--space-xs);
}

.lead-story h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}

.lead-story h2 a {
  color: var(--text);
  text-decoration: none;
}

.lead-story h2 a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.lead-dek {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 var(--space-md);
  line-height: 1.55;
}

.lead-body {
  margin: 0;
  color: var(--text);
}

/* Article list — numbered-list */
.article-feed {
  list-style: none;
  margin: 0 0 var(--space-xl);
  padding: 0;
  counter-reset: feed;
}

.article-feed li {
  counter-increment: feed;
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.article-feed li::before {
  content: counter(feed, decimal-leading-zero);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 2rem;
  padding-top: 2px;
}

.feed-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  line-height: 1.35;
}

.feed-content h3 a {
  color: var(--text);
  text-decoration: none;
}

.feed-content h3 a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.feed-excerpt {
  font-size: 0.9375rem;
  color: var(--muted);
  margin: 0 0 var(--space-xs);
}

.feed-meta {
  font-size: 0.8125rem;
  color: var(--muted);
}

/* Cards — flat */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  box-shadow: var(--shadow-none);
}

/* Author widget — sidebar-bio-box */
.author-widget {
  margin-bottom: var(--space-xl);
}

.author-widget h2 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--space-sm);
}

.author-box {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
}

.author-box img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-img);
  flex-shrink: 0;
}

.author-box h3 {
  font-size: 1rem;
  margin: 0 0 4px;
}

.author-box .role {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 var(--space-xs);
}

.author-box p {
  font-size: 0.875rem;
  margin: 0;
  color: var(--text);
  line-height: 1.5;
}

/* Article — split-content-rail */
.article-layout {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .article-layout {
    grid-template-columns: 1fr 280px;
    align-items: start;
  }
}

.article-main h1 {
  font-size: clamp(1.75rem, 4vw, 2.125rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-sm);
}

.article-main .article-dek {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 var(--space-md);
}

.article-main figure {
  margin: var(--space-md) 0 var(--space-lg);
}

.article-main figure img {
  width: 100%;
  border-radius: var(--radius-img);
  border: 1px solid var(--border);
}

.article-main figcaption {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: var(--space-xs);
}

.article-main h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
}

.article-main p {
  margin: 0 0 var(--space-sm);
}

.article-main ul {
  margin: 0 0 var(--space-sm);
  padding-left: var(--space-md);
}

.article-main li {
  margin-bottom: var(--space-xs);
}

.article-rail {
  position: sticky;
  top: 80px;
}

.article-rail .author-box {
  flex-direction: column;
  text-align: left;
}

.article-rail .author-box img {
  width: 80px;
  height: 80px;
}

.updated-note {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

/* Static pages */
.content-section {
  max-width: 42rem;
}

.content-section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
}

.content-section p,
.content-section ul {
  margin: 0 0 var(--space-sm);
}

.contact-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-sm);
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  background: var(--white);
  color: var(--text);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer — stacked-links */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 var(--space-xs);
  color: var(--text);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0 0 var(--space-md);
}

.footer-links {
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--primary);
}

.footer-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0;
}

/* Cookie — inline-footer-note */
.cookie-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin: var(--space-md) 0 0;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
  line-height: 1.5;
}

.cookie-note.is-hidden {
  display: none;
}

.cookie-note button {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

.cookie-note button:hover {
  color: var(--text);
}

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