/* ─── RESET & BASE ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #f8f7f4;
  --surface:    #ffffff;
  --border:     #e2dfd8;
  --border-mid: #ccc9c0;
  --text:       #1a1916;
  --text-mid:   #5a584f;
  --text-muted: #9a9890;
  --accent:     #c0392b;       /* forensic red — restrained, professional */
  --accent-dim: rgba(192,57,43,0.08);
  --mono:       'IBM Plex Mono', monospace;
  --sans:       'IBM Plex Sans', sans-serif;
  --radius:     4px;
  --max-w:      1080px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ─── LAYOUT ────────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.view { display: none; }
.view.active { display: block; }

/* ─── HEADER ────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248,247,244,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  font-family: var(--mono); font-size: 0.9rem; font-weight: 500;
  color: var(--text); letter-spacing: -0.01em;
  text-decoration: none;
}
.logo:hover { text-decoration: none; }
.logo-bracket { color: var(--accent); }

nav { display: flex; gap: 28px; }
nav a {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-mid);
  transition: color 0.15s;
}
nav a:hover { color: var(--text); text-decoration: none; }

/* ─── HERO ──────────────────────────────────────────────────────── */
.hero {
  padding: 80px 24px 72px;
  border-bottom: 1px solid var(--border);
}
.hero-label {
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300; line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text); max-width: 700px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1rem; color: var(--text-mid);
  max-width: 600px; line-height: 1.7;
  margin-bottom: 32px; font-weight: 300;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── BUTTONS ───────────────────────────────────────────────────── */
.btn-primary {
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.03em;
  background: var(--text); color: var(--bg);
  border: 1px solid var(--text); padding: 10px 20px;
  border-radius: var(--radius); cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }

.btn-ghost {
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.03em;
  background: transparent; color: var(--text-mid);
  border: 1px solid var(--border-mid); padding: 10px 20px;
  border-radius: var(--radius); cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  text-decoration: none; display: inline-block;
}
.btn-ghost:hover { border-color: var(--text); color: var(--text); text-decoration: none; }
.btn-ghost.small { font-size: 0.75rem; padding: 6px 12px; }

/* ─── STATS STRIP ───────────────────────────────────────────────── */
.stats-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.stats-inner {
  display: flex; align-items: center;
  padding: 28px 24px; gap: 0;
}
.stat { flex: 1; padding: 0 24px; }
.stat:first-child { padding-left: 0; }
.stat-number {
  display: block;
  font-family: var(--mono); font-size: 1.5rem; font-weight: 500;
  color: var(--text); line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted);
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

/* ─── RECENT POSTS ──────────────────────────────────────────────── */
.recent-posts { padding: 56px 24px; }
.section-header {
  display: flex; align-items: baseline;
  justify-content: space-between; margin-bottom: 28px;
}
.section-header h2 {
  font-size: 1rem; font-weight: 500;
  font-family: var(--mono); letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-mid);
}
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.post-card {
  background: var(--surface);
  padding: 24px;
  cursor: pointer;
  transition: background 0.15s;
}
.post-card:hover { background: var(--accent-dim); }
.post-card-phase {
  font-family: var(--mono); font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.post-card-title {
  font-size: 1rem; font-weight: 500; line-height: 1.4;
  margin-bottom: 10px; color: var(--text);
}
.post-card-excerpt {
  font-size: 0.875rem; color: var(--text-mid);
  line-height: 1.6; font-weight: 300;
  margin-bottom: 16px;
}
.post-card-meta {
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--text-muted); display: flex; gap: 12px;
}

/* ─── ABOUT SECTION ─────────────────────────────────────────────── */
.about-section {
  padding: 72px 24px;
  border-top: 1px solid var(--border);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px; align-items: start;
}
@media (max-width: 680px) {
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .stats-inner { flex-wrap: wrap; }
  .stat-divider { display: none; }
  .stat { padding: 8px 0; flex-basis: 45%; }
}
.section-tag {
  font-family: var(--mono); font-size: 0.68rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.about-text h2 {
  font-size: 1.5rem; font-weight: 300;
  letter-spacing: -0.01em; margin-bottom: 16px;
}
.about-text p {
  color: var(--text-mid); font-weight: 300;
  margin-bottom: 14px; line-height: 1.7;
}
.skills-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.skill-tag {
  font-family: var(--mono); font-size: 0.72rem;
  border: 1px solid var(--border-mid);
  padding: 4px 10px; border-radius: 2px;
  color: var(--text-mid);
}
.contact-list { list-style: none; margin-top: 4px; }
.contact-list li {
  display: flex; flex-direction: column;
  padding: 12px 0; border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.contact-label {
  font-family: var(--mono); font-size: 0.68rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 2px;
}

/* ─── BLOG VIEW ─────────────────────────────────────────────────── */
.blog-header {
  padding: 52px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.blog-header h1 {
  font-size: 2rem; font-weight: 300;
  letter-spacing: -0.02em; margin-bottom: 8px;
}
.blog-subtitle {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--text-muted); letter-spacing: 0.04em;
}
.tag-filter {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 28px;
}
.tag-btn {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--border-mid);
  background: transparent; color: var(--text-mid);
  padding: 4px 12px; border-radius: 2px; cursor: pointer;
  transition: all 0.12s;
}
.tag-btn:hover, .tag-btn.active {
  background: var(--text); color: var(--bg);
  border-color: var(--text);
}
.tag-btn.accent-tag.active {
  background: var(--accent); border-color: var(--accent);
  color: #fff;
}

/* Post list in blog view */
.post-list { display: flex; flex-direction: column; }
.post-list-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px; align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s;
}
.post-list-item:hover .post-list-title { color: var(--accent); }
.post-list-date {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-muted); padding-top: 3px;
  white-space: nowrap;
}
.post-list-title {
  font-size: 1rem; font-weight: 500;
  margin-bottom: 6px; transition: color 0.12s;
}
.post-list-excerpt {
  font-size: 0.875rem; color: var(--text-mid);
  font-weight: 300; line-height: 1.6;
}
.post-list-tags { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 2px; }
.post-tag {
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--accent-dim); color: var(--accent);
  padding: 2px 8px; border-radius: 2px;
}
@media (max-width: 600px) {
  .post-list-item { grid-template-columns: 1fr; gap: 8px; }
  .post-list-date { order: -1; }
}

/* ─── SINGLE POST ────────────────────────────────────────────────── */
.post-container { padding: 40px 24px 80px; max-width: 760px; }
.back-btn {
  font-family: var(--mono); font-size: 0.78rem;
  background: none; border: none; color: var(--text-mid);
  cursor: pointer; padding: 0; margin-bottom: 32px;
  display: block; transition: color 0.12s;
}
.back-btn:hover { color: var(--text); }

article .post-phase {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
article h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300; letter-spacing: -0.02em;
  line-height: 1.25; margin-bottom: 16px;
}
.post-meta {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-muted); display: flex;
  gap: 16px; flex-wrap: wrap;
  padding-bottom: 28px; margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.post-body { font-size: 0.975rem; line-height: 1.8; font-weight: 300; }
.post-body p { margin-bottom: 18px; color: var(--text-mid); }
.post-body p:first-child { color: var(--text); }
.post-body h2 {
  font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text); margin: 36px 0 14px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.post-body h3 {
  font-size: 1rem; font-weight: 500;
  margin: 24px 0 10px; color: var(--text);
}
.post-body code {
  font-family: var(--mono); font-size: 0.82rem;
  background: #f0eeea; border: 1px solid var(--border);
  padding: 2px 6px; border-radius: 2px;
  color: var(--accent);
}
.post-body pre {
  background: #1a1916; color: #e8e6e1;
  font-family: var(--mono); font-size: 0.8rem;
  line-height: 1.7; padding: 20px;
  border-radius: var(--radius);
  overflow-x: auto; margin: 20px 0;
}
.post-body pre code {
  background: none; border: none; padding: 0; color: inherit;
}
.post-body ul, .post-body ol {
  padding-left: 24px; margin-bottom: 18px;
}
.post-body li { margin-bottom: 6px; color: var(--text-mid); }
.post-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 20px 0; padding: 12px 20px;
  background: var(--accent-dim);
  font-style: italic; color: var(--text-mid);
}
.post-tags-footer {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ─── FOOTER ─────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-muted);
}

/* ─── EMPTY STATE ────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 60px 20px;
  font-family: var(--mono); color: var(--text-muted); font-size: 0.82rem;
}