/* Tacconi Consulting Ltd – minimal, statehouse.dev-inspired */

:root {
  --bg: #fafaf9;
  --bg-elevated: #ffffff;
  --text: #1c1917;
  --text-muted: #57534e;
  --accent: #0f766e;
  --accent-hover: #0d9488;
  --border: #e7e5e4;
  --code-bg: #f5f5f4;
  --radius: 6px;
}

/* Dark theme: system preference when no saved choice */
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) {
    --bg: #1c1917;
    --bg-elevated: #292524;
    --text: #fafaf9;
    --text-muted: #a8a29e;
    --accent: #2dd4bf;
    --accent-hover: #5eead4;
    --border: #44403c;
    --code-bg: #292524;
  }
}

/* User chose dark via toggle */
html[data-theme="dark"] {
  --bg: #1c1917;
  --bg-elevated: #292524;
  --text: #fafaf9;
  --text-muted: #a8a29e;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --border: #44403c;
  --code-bg: #292524;
}

/* User chose light via toggle (overrides system dark) */
html[data-theme="light"] {
  --bg: #fafaf9;
  --bg-elevated: #ffffff;
  --text: #1c1917;
  --text-muted: #57534e;
  --accent: #0f766e;
  --accent-hover: #0d9488;
  --border: #e7e5e4;
  --code-bg: #f5f5f4;
}

/* Theme toggle (top right in header) */
.theme-toggle {
  margin-left: 1rem;
  padding: 0.35rem 0.5rem;
  font-size: 1.1rem;
  line-height: 1;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text-muted);
}
.theme-toggle:focus {
  outline: none;
  border-color: var(--accent);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  transition: background 0.2s ease, color 0.2s ease;
}

h1, h2, h3, h4 {
  font-family: "DM Sans", system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-top: 1.5rem; margin-bottom: 0.5rem; }

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

/* Layout */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Nav */
.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.site-header .container {
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-title {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.site-title:hover {
  text-decoration: none;
  color: var(--text);
}

.site-logo {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.nav-links a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero h1 {
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero .lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.hero-summary-image {
  width: 100%;
  max-width: 720px;
  height: auto;
  margin: 2.5rem auto 0;
  display: block;
  border-radius: var(--radius);
}

.about-welcome-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 2rem 0 0;
  display: block;
  border-radius: var(--radius);
  box-sizing: border-box;
}

/* Sections */
.section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin-top: 0;
}

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

.section ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.5rem;
}
.section ul li {
  margin-bottom: 0.5rem;
}

/* Services grid */
.services-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.service-card {
  padding: 1.25rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.service-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.service-card p {
  margin: 0;
  font-size: 0.95rem;
}

/* CTA */
.cta {
  padding: 2rem 0 4rem;
  text-align: center;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}

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

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--code-bg);
  color: var(--text);
  text-decoration: none;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Blog listing */
.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.blog-list li:last-child {
  border-bottom: none;
}

.blog-list a {
  color: var(--text);
  font-weight: 500;
}
.blog-list a:hover {
  color: var(--accent);
}

.blog-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Blog post page */
.post-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.post-header h1 {
  margin: 0 0 0.5rem;
}

.post-date {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.post-header-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: 1.5rem;
  border-radius: var(--radius);
  display: block;
  box-sizing: border-box;
}

.post-content {
  padding-bottom: 3rem;
}

.post-content p {
  margin: 1rem 0;
  color: var(--text);
}

.post-content code {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

.post-content pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.post-content th,
.post-content td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.post-content th {
  background: var(--code-bg);
  font-weight: 600;
}
.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Back link */
.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.back-link:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .hero { padding: 2.5rem 0 2rem; }
  .section { padding: 2rem 0; }
  .cta-buttons { flex-direction: column; }
}