/* datavist.ai — Refined Minimal Styling */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Nunito+Sans:wght@400;600;700;800&display=swap');

:root {
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-text-muted: #888;
  --color-background: #fff;
  --color-background-subtle: #fafafa;
  --color-border: #e8e8e8;
  --color-accent: #5B7FC7;
  --font-heading: 'Nunito Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --max-width: 800px;
  --max-width-wide: 1100px;
}

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

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  color: var(--color-text) !important;
  line-height: 1.7 !important;
  background: var(--color-background) !important;
  margin: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-weight: 700 !important;
  line-height: 1.25 !important;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em !important;
}

h1 {
  font-size: 2.8rem;
  font-weight: 800;
}

h2 {
  font-size: 1.5rem;
  margin-top: var(--space-lg);
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

strong {
  font-weight: 600;
  color: var(--color-text);
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Navbar */
.navbar {
  background: var(--color-background) !important;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0 !important;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text) !important;
  letter-spacing: -0.01em;
}

.navbar-nav .nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary) !important;
  padding: 0.5rem 1rem !important;
  transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--color-text) !important;
}

.navbar-logo {
  max-height: 36px;
}

/* Override Quarto column-page layout for hero */
main.content.column-page section.hero,
.column-page .hero {
  grid-column: page !important;
  justify-self: center !important;
}

/* Hero */
section.hero,
.hero {
  padding: var(--space-xl) 0 !important;
  text-align: center !important;
  max-width: 640px !important;
  width: 100% !important;
  margin-left: auto !important;
  margin-right: auto !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}

section.hero h1,
.hero h1 {
  font-size: 2rem !important;
  font-family: 'Nunito Sans', sans-serif !important;
  font-weight: 800 !important;
  margin-bottom: var(--space-sm) !important;
  text-align: center !important;
}

section.hero p,
.hero p {
  text-align: center !important;
  display: block !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

section.hero p img,
.hero p img,
img.hero-logo {
  width: 100px !important;
  max-width: 100px !important;
  margin: 0 auto var(--space-md) auto !important;
  display: block !important;
}

section.hero .tagline,
.hero .tagline {
  font-size: 1.3rem !important;
  font-family: 'Nunito Sans', sans-serif !important;
  font-weight: 600 !important;
  color: var(--color-text) !important;
  margin-bottom: var(--space-sm) !important;
  display: block !important;
}

section.hero .intro,
.hero .intro {
  font-size: 1.05rem !important;
  color: var(--color-text-muted) !important;
  line-height: 1.8 !important;
  margin-bottom: var(--space-md) !important;
  display: block !important;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
  opacity: 1;
}

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

.btn-secondary:hover {
  border-color: var(--color-text);
  opacity: 1;
}

.btn + .btn {
  margin-left: var(--space-sm);
}

/* Sections */
.section {
  padding: var(--space-lg) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section + .section {
  padding-top: var(--space-md);
}

.section-label {
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
  display: block;
}

.section-label + h2 {
  margin-top: 0;
}

/* Services List - Homepage */
.services-list {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}

.services-list li {
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-xs);
}

.services-list h3 {
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.services-list p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Service Details - Services Page */
.service-detail {
  margin-bottom: var(--space-lg);
}

.service-detail h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.service-detail > p {
  margin-bottom: var(--space-sm);
  max-width: 100%;
}

.service-detail ul {
  margin: var(--space-sm) 0;
  padding-left: 1.25rem;
  color: var(--color-text-secondary);
  columns: 2;
  column-gap: var(--space-lg);
}

.service-detail li {
  margin-bottom: 0.5rem;
  break-inside: avoid;
}

.service-detail em {
  display: block;
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
  font-style: normal;
  font-size: 0.95rem;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.portfolio-item {
  text-decoration: none;
  color: inherit;
  display: block;
}

.portfolio-item img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: var(--space-sm);
  transition: opacity 0.2s ease;
}

.portfolio-item:hover img {
  opacity: 0.85;
}

.portfolio-item h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.portfolio-item .meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Posts List */
.posts-list {
  margin: var(--space-md) 0;
}

.post-item {
  display: block;
  padding: var(--space-sm) 0;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.2s ease;
}

.post-item:hover {
  color: var(--color-accent);
}

/* CTA */
.cta {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  margin: var(--space-lg) auto;
  background: var(--color-background-subtle);
  border-radius: 8px;
  max-width: var(--max-width);
}

.cta h2 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

.cta p {
  max-width: 480px;
  margin: 0 auto var(--space-md);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.contact-item h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.contact-item a {
  font-size: 1rem;
  color: var(--color-text);
}

.contact-item p {
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}

/* About */
.about-header {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-lg);
  align-items: start;
  margin-bottom: var(--space-lg);
}

.about-header h1 {
  margin-top: var(--space-md);
}

.about-image {
  width: 100%;
  border-radius: 4px;
}

/* Blog Listing */
.quarto-listing-default {
  margin-top: var(--space-md);
}

#quarto-content {
  padding-top: var(--space-md);
}

.quarto-grid-item {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.quarto-grid-item:hover {
  border-color: var(--color-text-muted);
}

.quarto-grid-item .card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
}

.quarto-grid-item .listing-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Footer */
.page-footer {
  margin-top: var(--space-xl);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
}

.page-footer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}

/* Hide empty title blocks */
.quarto-title-block:empty,
h1.title:empty,
header#title-block-header:has(h1.title:empty) {
  display: none;
}

#title-block-header {
  margin-bottom: 0;
}

/* Quarto overrides */
.quarto-title {
  margin-bottom: var(--space-md);
}

.quarto-title h1.title {
  font-family: var(--font-heading);
  font-weight: 800;
}

.quarto-categories {
  margin-top: var(--space-sm);
}

.quarto-category {
  background: var(--color-background-subtle);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Code */
pre, code {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.9em;
}

pre {
  background: var(--color-background-subtle);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-sm);
  overflow-x: auto;
}

code {
  background: var(--color-background-subtle);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
}

/* Responsive */
@media (max-width: 768px) {
  html { font-size: 16px; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.35rem; }

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

  .service-detail ul {
    columns: 1;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about-header {
    grid-template-columns: 1fr;
  }

  .about-header img {
    max-width: 200px;
    order: -1;
  }

  .btn + .btn {
    margin-left: 0;
    margin-top: var(--space-xs);
    display: block;
    text-align: center;
  }
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }