/* Shared blog layout — index + articles (leonardo.tech/blog) */

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

:root {
  --serif: 'DM Serif Display', serif;
  --sans: 'DM Sans', sans-serif;
  --mono: 'DM Mono', monospace;
  --ink: #000;
  --line: rgba(0,0,0,0.12);
  --accent: #91684a;
  --cta-bg: #c59965;
}

body {
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100dvh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url('/img/Desktop.webp') no-repeat center center;
  background-size: cover;
  opacity: 1;
  z-index: -1;
  pointer-events: none;
}

.site { max-width: 860px; margin: 0 auto; padding: 0 2rem; }

nav[aria-label="Primary"] {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 0.5px solid var(--line);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-links { display: flex; gap: 1.5rem; }

.nav-links a {
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--mono);
}

.nav-links a:focus-visible,
.back-link:focus-visible,
.article-cta:focus-visible,
.article-cta-secondary:focus-visible,
.article-share-copy:focus-visible,
.post-card:focus-visible,
.related-card:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

main { padding: 3.5rem 0 5rem; }

h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  line-height: 1.2;
  margin: 2rem 0 1rem;
  letter-spacing: -0.01em;
}

p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  color: #000;
}

ul, ol { margin: 0.5rem 0 1rem 1.2rem; }

li { margin-bottom: 0.6rem; line-height: 1.7; }

.back-link {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 1.5rem;
  color: var(--ink);
}

footer {
  border-top: 0.5px solid var(--line);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
}

.footer-primary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer-copy,
.footer-company {
  font-family: var(--mono);
  font-size: 11px;
  color: #000;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  align-items: center;
}

.footer-legal a {
  font-family: var(--mono);
  font-size: 11px;
  text-underline-offset: 2px;
}

.footer-legal a:hover {
  color: var(--link-text-hover, #000);
}

/* —— Article pages —— */

.article-shell {
  background: rgba(237, 237, 237, 0.92);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
}

.article-label {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.article-dek {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.5;
  color: #000;
  margin-bottom: 1rem;
}

.article-byline {
  font-family: var(--mono);
  font-size: 12px;
  color: #000;
  margin: 0 0 1.75rem;
  letter-spacing: 0.02em;
}

.article-byline time { color: var(--ink); }

.article-byline .byline-sep {
  margin: 0 0.5rem;
  color: rgba(0,0,0,0.45);
}

.article-byline a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 0.5px solid rgba(0,0,0,0.3);
}

.example-lines {
  font-style: italic;
  color: rgba(0,0,0,0.85);
}

.related-reading {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 0.5px solid var(--line);
}

.related-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.related-card {
  display: block;
  padding: 1rem 1.1rem;
  border: 0.5px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.55);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.related-card:hover {
  border-color: rgba(0,0,0,0.35);
  background: rgba(255,255,255,0.78);
}

.related-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.related-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.25;
}

.article-share {
  margin-top: 2.25rem;
  padding: 1.25rem 1.35rem;
  border: 0.5px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.55);
}

.article-share-lead {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  color: #000;
}

.article-share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: stretch;
}

.article-share-url {
  flex: 1 1 12rem;
  min-width: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.85);
  border: 0.5px solid rgba(0, 0, 0, 0.25);
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
}

.article-share-copy {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--cta-bg);
  border: 0.5px solid rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  cursor: pointer;
  white-space: nowrap;
}

.article-share-copy:hover {
  border-color: rgba(0, 0, 0, 0.45);
}

.article-share-copy.is-copied {
  background: rgba(45, 106, 79, 0.15);
}

.article-share-feedback {
  font-family: var(--mono);
  font-size: 11px;
  margin-top: 0.55rem;
  color: #2d6a4f;
  min-height: 1.2em;
}

.article-share-feedback[hidden] {
  display: none;
}

.article-cta {
  display: inline-block;
  margin-top: 1.3rem;
  margin-right: 0.5rem;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  border: 0.5px solid rgba(0,0,0,0.3);
  padding: 10px 16px;
  border-radius: 4px;
  text-decoration: none;
  background: var(--cta-bg);
  cursor: pointer;
}

.article-cta-secondary {
  display: inline-block;
  margin-top: 1.3rem;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  border: 0.5px solid rgba(0,0,0,0.3);
  padding: 10px 16px;
  border-radius: 4px;
  text-decoration: none;
  background: none;
  cursor: pointer;
}

/* Contact modal (articles with “talk to me”) */
.contact-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.contact-modal-overlay.is-open { display: flex; }

.contact-modal {
  background: #fafaf8;
  border: 0.5px solid rgba(0,0,0,0.3);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 460px;
  position: relative;
}

.contact-modal h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  font-style: italic;
}

.contact-modal p.modal-sub {
  font-size: 0.88rem;
  color: var(--ink);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.modal-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.modal-field label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-field input,
.modal-field textarea {
  font-family: var(--sans);
  font-size: 0.93rem;
  background: transparent;
  border: 0.5px solid rgba(0,0,0,0.3);
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  width: 100%;
  outline: none;
  resize: none;
}

.modal-field input:focus,
.modal-field textarea:focus {
  border-color: var(--accent);
}

.modal-field-required {
  color: var(--accent);
}

.modal-submit {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  background: var(--cta-bg);
  border: 0.5px solid rgba(0,0,0,0.3);
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  margin-top: 0.5rem;
  transition: opacity 0.15s;
}

.modal-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.modal-feedback {
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 0.75rem;
  text-align: center;
  min-height: 1.2em;
}

/* —— Blog index —— */

body.blog-index h1 { margin-bottom: 1rem; }

.blog-shell {
  background: rgba(237, 237, 237, 0.92);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
}

.section-label {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.blog-intro {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #000;
  margin-bottom: 2.25rem;
  max-width: 640px;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list > li { list-style: none; }

.post-card {
  display: block;
  padding: 1.4rem 1.5rem;
  border: 0.5px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.post-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 0, 0, 0.35);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.85);
}

.post-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.post-meta .post-meta-sep {
  margin: 0 0.4rem;
  color: rgba(0,0,0,0.4);
}

.post-title {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 0.45rem;
}

.post-dek {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #000;
  margin-bottom: 0.5rem;
}

.post-read {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}

body.blog-index .back-link { margin-top: 1.75rem; }

@media (max-width: 1024px) {
  body { background: #fff; }
  body::before { display: none; }
  .site { padding: 0 1.2rem; }
  .article-shell,
  .blog-shell {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
  }
  main { padding-top: 2rem; }
  .footer-primary { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .post-card { transition: none; }
  .post-card:hover { transform: none; }
}