/* Terminal Aberto — codebr.click | startup-charcoal + spacious-magazine */

:root {
  --bg: #f4f3f0;
  --bg-elevated: #ffffff;
  --text: #1a1a1f;
  --text-muted: #5c5c66;
  --accent: #3d9b8f;
  --accent-soft: #e8f5f3;
  --border: #ddd9d2;
  --charcoal: #2b2b32;
  --charcoal-soft: #3a3a44;
  --shadow: 0 12px 40px rgba(26, 26, 31, 0.08);
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --container: 960px;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --line-tight: 1.25;
  --line-body: 1.75;
  --line-loose: 1.9;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 4.5rem;
  --space-asym: 2.25rem 1.5rem 3.5rem 2rem;
}

[data-theme="dark"] {
  --bg: #141418;
  --bg-elevated: #1e1e24;
  --text: #eceae6;
  --text-muted: #9a98a0;
  --accent: #5ec4b6;
  --accent-soft: #1a2e2b;
  --border: #33333c;
  --charcoal: #0e0e11;
  --charcoal-soft: #25252c;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-body);
  color: var(--text);
  background: var(--bg);
  transition: background 0.25s ease, color 0.25s ease;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--charcoal-soft); }
[data-theme="dark"] a:hover { color: var(--accent); }

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Header — logo-left-nav-right */
.site-header {
  background: var(--charcoal);
  color: #f0eeea;
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: #d8d6d2;
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: #fff; }

.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #f0eeea;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.06);
}

/* Buttons — subtle-ghost */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

/* Tags — pill-colored */
.tag {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.tag-python { background: #dbeafe; color: #1e40af; }
.tag-git { background: #fce7f3; color: #9d174d; }
.tag-tools { background: #d1fae5; color: #065f46; }
.tag-guides { background: var(--accent-soft); color: #0f5c52; }

[data-theme="dark"] .tag-python { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .tag-git { background: #4a1942; color: #f9a8d4; }
[data-theme="dark"] .tag-tools { background: #134e3a; color: #6ee7b7; }
[data-theme="dark"] .tag-guides { background: #1a2e2b; color: #5ec4b6; }

/* Hero — split-image-text */
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0 var(--space-lg);
  align-items: center;
}

.hero-split__content { padding: var(--space-asym); }

.hero-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 var(--space-sm);
  font-weight: 600;
}

.hero-split h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  line-height: var(--line-tight);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.03em;
}

.hero-split__lead {
  font-size: 1.1rem;
  line-height: var(--line-loose);
  color: var(--text-muted);
  margin: 0 0 var(--space-md);
  max-width: 38ch;
}

.hero-split__meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.hero-split__image img,
.hero-split__image svg {
  border-radius: var(--radius-lg);
  width: 100%;
  box-shadow: var(--shadow);
}

/* Magazine breakout grid */
.magazine-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

.section-label {
  grid-column: 1 / -1;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: var(--space-lg) 0 var(--space-sm);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--charcoal);
}

/* Horizontal thumb cards */
.card-h {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card-h:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card-h:nth-child(odd) { grid-column: 1 / 8; }
.card-h:nth-child(even) { grid-column: 5 / 13; margin-top: var(--space-sm); }

.card-h__thumb img,
.card-h__thumb svg {
  border-radius: var(--radius-sm);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.card-h__tags { margin-bottom: 0.4rem; }

.card-h h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: var(--line-tight);
  margin: 0 0 0.5rem;
}

.card-h p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.card-h__meta {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Article — split-content-rail */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-xl);
  padding: var(--space-lg) 0 var(--space-xl);
}

.article-main { min-width: 0; }

.article-header {
  margin-bottom: var(--space-lg);
  padding-right: var(--space-md);
}

.article-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  line-height: var(--line-tight);
  margin: 0.75rem 0 var(--space-md);
  letter-spacing: -0.02em;
}

.article-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-hero-img {
  margin: 0 0 var(--space-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.article-body {
  font-size: 1.05rem;
  line-height: var(--line-loose);
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin: var(--space-lg) 0 var(--space-sm);
  line-height: var(--line-tight);
}

.article-body h3 {
  font-size: 1.1rem;
  margin: var(--space-md) 0 var(--space-xs);
}

.article-body p { margin: 0 0 var(--space-md); }

.article-body ul, .article-body ol {
  margin: 0 0 var(--space-md);
  padding-left: 1.4rem;
}

.article-body li { margin-bottom: 0.45rem; }

.article-body blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-lg);
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
}

/* Sidebar — author-widget-only */
.sidebar-rail { position: relative; }

.author-widget {
  position: sticky;
  top: 5.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.author-widget__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 0 0 var(--space-sm);
}

.author-widget__avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.author-widget h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin: 0 0 0.35rem;
}

.author-widget h3 a {
  color: inherit;
  text-decoration: none;
}

.author-widget h3 a:hover { color: var(--accent); }

.author-widget p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0 0 var(--space-sm);
  line-height: 1.55;
}

/* Author profile page */
.author-profile {
  padding: var(--space-xl) 0;
}

.author-profile__header {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-md);
  align-items: start;
  margin-bottom: var(--space-lg);
}

.author-profile__avatar {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.author-profile h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.author-profile__role {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
}

/* Static pages */
.page-content {
  padding: var(--space-xl) 0;
  max-width: 680px;
}

.page-content h1 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  margin: 0 0 var(--space-md);
  line-height: var(--line-tight);
}

.page-content h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin: var(--space-lg) 0 var(--space-sm);
}

.page-content p,
.page-content li { line-height: var(--line-loose); }

.page-content ul { margin: 0 0 var(--space-md); padding-left: 1.3rem; }

.contact-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

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

/* Footer — stacked-links */
.site-footer {
  background: var(--charcoal);
  color: #c8c6c2;
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-lg);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #fff;
  margin: 0 0 var(--space-xs);
}

.footer-tagline {
  font-size: 0.9rem;
  margin: 0 0 var(--space-lg);
  max-width: 42ch;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: var(--space-lg);
}

.footer-links a {
  color: #d8d6d2;
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-links a:hover { color: #fff; text-decoration: underline; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-md);
  font-size: 0.82rem;
  color: #8a8884;
}

/* Cookie — inline-footer-note */
.cookie-note {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  line-height: 1.5;
}

.cookie-note button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-decoration: underline;
  padding: 0;
  margin-left: 0.35rem;
}

.cookie-note[hidden] { display: none; }

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

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

@media (max-width: 820px) {
  .hero-split {
    grid-template-columns: 1fr;
    padding-top: var(--space-lg);
  }

  .hero-split__content { padding: 0; }

  .card-h,
  .card-h:nth-child(odd),
  .card-h:nth-child(even) {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .author-widget { position: static; }

  .site-nav { gap: 0.75rem; }
  .site-nav a { font-size: 0.78rem; }
}

@media (max-width: 520px) {
  .card-h { grid-template-columns: 1fr; }
  .author-profile__header { grid-template-columns: 1fr; }
}