/* ============================================================
   depthoverwidth.com — Main Stylesheet
   Aesthetic: Editorial monochrome, serif + sans pairing
   ============================================================ */

:root {
  --black: #0a0a0a;
  --off-black: #1a1a1a;
  --dark-gray: #444;
  --mid-gray: #666;
  --light-gray: #888;
  --border: #e8e8e8;
  --soft-border: #f0f0f0;
  --background: #fff;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', -apple-system, sans-serif;
  --max-width: 1100px;
  --content-width: 720px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--sans); background: var(--background); color: var(--black); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Nav ── */
.site-nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  z-index: 100;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.3px;
  color: var(--black);
}
.nav-logo em { font-style: italic; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--light-gray);
  transition: color .15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--black); }

/* ── Hero ── */
.hero {
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 40px 56px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.hero-tag {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--light-gray);
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--black);
  margin-bottom: 20px;
}
.hero-title em { font-style: italic; }
.hero-desc {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--mid-gray);
  line-height: 1.75;
  max-width: 420px;
  margin-bottom: 32px;
}
.profile-links { display: flex; gap: 8px; flex-wrap: wrap; }
.profile-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--black);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--background);
  transition: background .15s, color .15s;
}
.profile-link:hover { background: var(--black); color: #fff; }
.profile-link i { font-size: 13px; }
.hero-quote {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  font-style: italic;
  line-height: 1.55;
  color: var(--black);
  letter-spacing: -0.3px;
  border-left: 2px solid var(--black);
  padding-left: 24px;
}

/* ── Posts Section ── */
.posts-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px 80px;
}
.section-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.section-divider span {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--light-gray);
  white-space: nowrap;
}
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.posts-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 0;
}
.posts-list { border-right: 1px solid var(--border); }

/* ── Post Card ── */
.post-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 28px 32px 28px 0;
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
.post-card:last-child { border-bottom: none; }
.post-number {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 300;
  color: #ccc;
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.post-tag {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--light-gray);
  margin-bottom: 10px;
}
.post-card-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: -0.4px;
  line-height: 1.35;
  color: var(--black);
  margin-bottom: 8px;
}
.post-card-title a { transition: opacity .15s; }
.post-card-title a:hover { opacity: 0.6; }
.post-card-excerpt {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--mid-gray);
  line-height: 1.65;
  margin-bottom: 12px;
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.post-card-date {
  font-family: var(--sans);
  font-size: 11px;
  color: #aaa;
  letter-spacing: .04em;
}
.post-card-read {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: opacity .15s;
}
.post-card-read:hover { opacity: 0.5; }
.post-card-arrow {
  font-family: var(--serif);
  font-size: 18px;
  color: #ccc;
  padding-top: 32px;
}

/* ── Sidebar ── */
.sidebar { padding: 28px 0 28px 32px; }
.about-card {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: #fff;
  letter-spacing: .05em;
  margin-bottom: 14px;
}
.about-name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.3px;
  color: var(--black);
  margin-bottom: 6px;
}
.about-desc {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 300;
  color: var(--mid-gray);
  line-height: 1.65;
}
.sidebar-section { }
.sidebar-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--light-gray);
  margin-bottom: 14px;
}
.topic-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--soft-border);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--dark-gray);
}
.topic-item:last-child { border-bottom: none; }
.topic-count {
  font-size: 11px;
  color: #aaa;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 40px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 0;
}
.page-link {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--black);
  transition: opacity .15s;
}
.page-link:hover { opacity: 0.5; }
.page-info {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--light-gray);
}

/* ── Full Post ── */
.post-full { max-width: var(--max-width); margin: 0 auto; }
.post-header {
  border-bottom: 1px solid var(--border);
  padding: 56px 40px 48px;
}
.post-header-inner { max-width: var(--content-width); }
.post-meta-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.post-category {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--light-gray);
}
.post-date {
  font-family: var(--sans);
  font-size: 11px;
  color: #aaa;
}
.post-title-full {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -1.2px;
  color: var(--black);
  margin-bottom: 16px;
}
.post-subtitle {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  color: var(--mid-gray);
  line-height: 1.65;
  max-width: 560px;
}
.post-body {
  padding: 48px 40px 64px;
}
.post-content {
  max-width: var(--content-width);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--off-black);
}
.post-content h2 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.5px;
  color: var(--black);
  margin: 48px 0 16px;
}
.post-content h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  color: var(--black);
  margin: 36px 0 12px;
}
.post-content p { margin-bottom: 24px; }
.post-content ul, .post-content ol {
  padding-left: 24px;
  margin-bottom: 24px;
}
.post-content li { margin-bottom: 8px; }
.post-content blockquote {
  border-left: 2px solid var(--black);
  padding-left: 24px;
  margin: 32px 0;
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
  color: var(--black);
  line-height: 1.5;
}
.post-content code {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 2px;
}
.post-content pre {
  background: #f5f5f5;
  padding: 24px;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 24px;
}
.post-content pre code { background: none; padding: 0; }
.post-content a { border-bottom: 1px solid var(--border); transition: border-color .15s; }
.post-content a:hover { border-color: var(--black); }
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* Post Footer */
.post-footer { border-top: 1px solid var(--border); padding: 32px 40px; }
.post-footer-inner {
  max-width: var(--content-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.back-link a {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--black);
  transition: opacity .15s;
}
.back-link a:hover { opacity: 0.5; }
.post-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--mid-gray);
}

/* ── About / Static Pages ── */
.page-section { max-width: var(--max-width); margin: 0 auto; padding: 0 40px 80px; }
.page-inner { }
.page-header {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.page-title {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--black);
  margin-top: 16px;
}
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 64px;
}
.about-content {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--off-black);
}
.about-content p { margin-bottom: 24px; }
.about-content h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--black);
  margin: 40px 0 16px;
  letter-spacing: -0.3px;
}
.cert-list, .exploring-list {
  padding-left: 0;
  list-style: none;
}
.cert-list li, .exploring-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--soft-border);
  font-size: 14px;
  font-weight: 300;
  color: var(--dark-gray);
}
.cert-list li:last-child,
.exploring-list li:last-child { border-bottom: none; }
.connect-card { }
.connect-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.connect-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--soft-border);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--dark-gray);
  transition: color .15s;
}
.connect-links a:last-child { border-bottom: none; }
.connect-links a:hover { color: var(--black); }
.connect-links i { font-size: 15px; color: var(--light-gray); }

/* ── Projects ── */
.projects-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.project-card {
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}
.project-card:last-child { border-bottom: none; }
.project-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.project-status {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 2px;
}
.project-status.active { background: #0a0a0a; color: #fff; }
.project-status.learning { background: #f5f5f5; color: var(--dark-gray); border: 1px solid var(--border); }
.project-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.4px;
  color: var(--black);
}
.project-desc {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--mid-gray);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 640px;
}
.project-stack {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.project-stack span {
  font-family: var(--sans);
  font-size: 11px;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--mid-gray);
}
.project-link {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--black);
  padding-bottom: 1px;
  transition: opacity .15s;
}
.project-link:hover { opacity: 0.5; }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 40px 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--black);
  display: block;
  margin-bottom: 8px;
}
.footer-logo em { font-style: italic; }
.footer-desc {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 300;
  color: var(--light-gray);
  line-height: 1.6;
  max-width: 300px;
}
.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-links a {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 300;
  color: var(--light-gray);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color .15s;
}
.footer-links a:hover { color: var(--black); }
.footer-links i { font-size: 14px; }
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 40px;
  border-top: 1px solid var(--soft-border);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 300;
  color: #bbb;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-inner { padding: 16px 20px; }
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 32px;
  }
  .hero-title { font-size: 32px; }
  .hero-quote { font-size: 17px; }
  .posts-section { padding: 0 20px 60px; }
  .posts-grid { grid-template-columns: 1fr; }
  .posts-list { border-right: none; }
  .sidebar { padding: 32px 0 0; border-top: 1px solid var(--border); }
  .post-card { padding: 20px 0; }
  .post-card-arrow { display: none; }
  .page-section { padding: 0 20px 60px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .page-title { font-size: 32px; }
  .post-header { padding: 40px 20px 36px; }
  .post-title-full { font-size: 28px; }
  .post-body { padding: 36px 20px 48px; }
  .post-footer { padding: 24px 20px; }
  .post-footer-inner { flex-direction: column; gap: 16px; }
  .footer-inner { flex-direction: column; padding: 32px 20px; }
  .footer-bottom { padding: 16px 20px; }
}

.comments-section {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.comments-inner {
  max-width: var(--content-width);
}