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

:root {
  --bg:          #0C0C0C;
  --surface:     #111111;
  --surface2:    #161616;
  --surface3:    #1C1C1C;
  --border:      rgba(255,255,255,0.06);
  --border2:     rgba(255,255,255,0.10);
  --accent:      #EF9F27;
  --accent-dim:  #B8781A;
  --accent-glow: rgba(239,159,39,0.08);
  --accent-glow2:rgba(239,159,39,0.14);
  --text:        #F0EAE0;
  --muted:       #7A7672;
  --muted2:      #3A3835;
  --radius:      10px;
  --max-w:       1160px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
main { flex: 1; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }

/* ── Nav ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
.site-header.scrolled {
  background: rgba(12,12,12,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
}
.nav-brand {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  flex-shrink: 0;
}
.nav-brand:hover { color: var(--accent); text-decoration: none; }
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: 99px;
  letter-spacing: 0.01em;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-toggle { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 99px;
  font-family: inherit; font-size: 0.875rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
  letter-spacing: 0.01em;
}
.btn-primary { background: var(--accent); color: #000; border: none; }
.btn-primary:hover { background: #f5b040; color: #000; text-decoration: none; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 32px 80px;
  position: relative;
  overflow: hidden;
}
#heroBg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(239,159,39,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(239,159,39,0.03) 0%, transparent 60%);
}
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.02;
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 5px 12px;
  border: 1px solid rgba(239,159,39,0.25);
  border-radius: 99px;
  background: var(--accent-glow);
}
.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-title span { color: var(--accent); }
.hero-desc {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Terminal */
.terminal {
  background: #0D1117;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(239,159,39,0.04);
}
.terminal-bar {
  background: #161B22;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal-bar span { width: 12px; height: 12px; border-radius: 50%; }
.terminal-bar span:nth-child(1) { background: #FF5F57; }
.terminal-bar span:nth-child(2) { background: #FFBD2E; }
.terminal-bar span:nth-child(3) { background: #28CA41; }
.terminal-body {
  padding: 20px 24px;
  font-family: 'Consolas', 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 2;
}
.t-prompt { color: #7C9BFF; }
.t-cmd    { color: #79C0FF; }
.t-out    { color: var(--muted); }
.t-key    { color: #7EE787; }
.t-val    { color: #FFA657; }
.t-cursor { animation: blink 1s step-end infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

/* ── Scroll indicator ── */
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollpulse 2.2s ease-in-out infinite;
}
.scroll-label { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted2); }
@keyframes scrollpulse { 0%,100%{opacity:0.25;transform:scaleY(0.6);transform-origin:top} 50%{opacity:1;transform:scaleY(1)} }

/* ── Sections ── */
.section { padding: 96px 0; }
.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-head h2 span { color: var(--accent); }
.section-more { font-size: 0.825rem; color: var(--muted); }
.section-more:hover { color: var(--accent); text-decoration: none; }
.section-title { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 10px; }
.section-title span { color: var(--accent); }
.section-desc { color: var(--muted); margin-bottom: 48px; font-size: 1rem; }

/* ── Post grid ── */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.post-card:hover {
  border-color: rgba(239,159,39,0.2);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(239,159,39,0.06);
}
.card-img-wrap { display: block; aspect-ratio: 16/9; overflow: hidden; }
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.post-card:hover .card-img-wrap img { transform: scale(1.05); }
.card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.card-cat {
  display: inline-block;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--cat-color, var(--accent));
  background: color-mix(in srgb, var(--cat-color, var(--accent)) 12%, transparent);
  padding: 4px 10px; border-radius: 99px;
  text-decoration: none; width: fit-content;
}
.card-cat:hover { text-decoration: none; opacity: 0.85; }
.card-title { font-size: 1rem; font-weight: 600; line-height: 1.4; letter-spacing: -0.01em; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent); text-decoration: none; }
.card-excerpt { color: var(--muted); font-size: 0.875rem; line-height: 1.65; flex: 1; }
.card-meta { display: flex; gap: 12px; font-size: 0.75rem; color: var(--muted2); margin-top: auto; padding-top: 6px; }

/* ── Divider ── */
.divider {
  width: 40px; height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
  margin: 0 auto 48px;
}

/* ── Skills ── */
.skill-cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
.skill-cat { background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.skill-cat-name {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.skill-tag {
  font-size: 0.78rem; padding: 5px 11px;
  border-radius: 99px;
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all 0.15s;
}
.skill-tag[data-level="4"],
.skill-tag[data-level="5"] {
  border-color: rgba(239,159,39,0.3);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ── Blog ── */
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 56px; padding: 80px 0; }
.page-header { margin-bottom: 40px; }
.page-header h1 { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.page-meta { color: var(--muted); font-size: 0.875rem; }
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-row {
  display: grid; grid-template-columns: 180px 1fr;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.post-row:hover {
  border-color: rgba(239,159,39,0.18);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.post-row-img { display: block; overflow: hidden; }
.post-row-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.post-row:hover .post-row-img img { transform: scale(1.05); }
.post-row-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; }
.post-row-title { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.4; }
.post-row-title a { color: var(--text); }
.post-row-title a:hover { color: var(--accent); text-decoration: none; }
.post-row-excerpt { color: var(--muted); font-size: 0.875rem; line-height: 1.65; }
.empty-state { color: var(--muted); padding: 60px 0; text-align: center; }

/* Sidebar */
.blog-sidebar { padding-top: 0; }
.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: sticky;
  top: 80px;
}
.widget-title {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 16px;
}
.category-list { list-style: none; display: flex; flex-direction: column; gap: 3px; }
.category-list a {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--muted); font-size: 0.875rem;
  transition: all 0.12s;
}
.category-list a:hover, .category-list a.active {
  background: var(--surface2); color: var(--text); text-decoration: none;
}
.category-list a span { margin-left: auto; font-size: 0.72rem; color: var(--muted2); }
.cat-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* Pagination */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 48px; }
.page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  border-radius: 8px; background: var(--surface);
  border: 1px solid var(--border); color: var(--muted);
  font-size: 0.85rem; transition: all 0.15s;
}
.page-btn:hover, .page-btn.active {
  border-color: rgba(239,159,39,0.4); color: var(--accent);
  background: var(--accent-glow); text-decoration: none;
}

/* ── Post article ── */
.post-article { max-width: 760px; margin: 0 auto; padding: 80px 0 100px; }
.post-header { margin-bottom: 40px; }
.post-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700; line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 14px 0 16px;
}
.post-meta { display: flex; align-items: center; gap: 10px; font-size: 0.8rem; color: var(--muted2); }
.post-hero-img { border-radius: var(--radius); overflow: hidden; margin-bottom: 44px; border: 1px solid var(--border); }
.post-hero-img img { width: 100%; max-height: 500px; object-fit: cover; }

/* Prose */
.prose { font-size: 1.05rem; line-height: 1.85; color: #D4CECC; }
.prose h1,.prose h2,.prose h3,.prose h4 { color: var(--text); font-weight: 600; margin: 2.2em 0 0.7em; line-height: 1.3; letter-spacing: -0.01em; }
.prose h2 { font-size: 1.5rem; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.prose h3 { font-size: 1.2rem; }
.prose p { margin: 0 0 1.3em; }
.prose ul,.prose ol { padding-left: 1.6em; margin: 0 0 1.3em; }
.prose li { margin-bottom: 0.5em; }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(239,159,39,0.3); }
.prose a:hover { border-bottom-color: var(--accent); }
.prose strong { color: var(--text); font-weight: 600; }
.prose blockquote {
  border-left: 2px solid var(--accent);
  padding: 6px 0 6px 20px;
  color: var(--muted); font-style: italic;
  margin: 2em 0;
  background: var(--accent-glow);
  border-radius: 0 8px 8px 0;
  padding-right: 16px;
}
.prose code {
  font-family: 'Consolas','Fira Code',monospace;
  font-size: 0.875em;
  background: var(--surface2);
  border: 1px solid var(--border2);
  padding: 2px 6px; border-radius: 5px;
  color: #79C0FF;
}
.prose pre {
  background: #0D1117;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow-x: auto; margin: 1.8em 0;
}
.prose pre code { background: none; border: none; padding: 0; font-size: 0.875rem; }
.prose img { border-radius: var(--radius); margin: 2em 0; border: 1px solid var(--border); width: 100%; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.8em 0; font-size: 0.9rem; }
.prose th { background: var(--surface); padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--border2); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.prose td { padding: 11px 16px; border-bottom: 1px solid var(--border); }
.prose tr:hover td { background: var(--surface); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2.5em 0; }

/* Post footer */
.post-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 48px; padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tag {
  font-size: 0.75rem; padding: 5px 12px;
  border-radius: 99px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
}
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 48px; }
.post-nav-btn {
  display: flex; flex-direction: column; gap: 5px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  transition: all 0.2s;
}
.post-nav-btn:hover { border-color: rgba(239,159,39,0.3); background: var(--surface2); text-decoration: none; }
.post-nav-btn.next { text-align: right; }
.nav-dir { font-size: 0.68rem; color: var(--muted2); text-transform: uppercase; letter-spacing: 0.08em; }
.nav-title { font-size: 0.9rem; font-weight: 500; color: var(--text); line-height: 1.4; }

/* ── About ── */
.about-hero { padding: 120px 0 80px; }
.about-intro { max-width: 680px; }
.about-eyebrow {
  display: inline-block;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px;
  padding: 5px 12px;
  border: 1px solid rgba(239,159,39,0.25);
  border-radius: 99px;
  background: var(--accent-glow);
}
.about-intro h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.15; margin-bottom: 16px;
}
.about-subtitle { font-size: 1rem; color: var(--accent); font-weight: 500; margin-bottom: 18px; }
.about-desc { color: var(--muted); line-height: 1.8; margin-bottom: 32px; font-size: 1.05rem; }
.about-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* Skills detail */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.2s;
}
.skill-group:hover { border-color: rgba(239,159,39,0.15); }
.skill-group-title {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.skill-items { display: flex; flex-direction: column; gap: 14px; }
.skill-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.skill-info { display: flex; flex-direction: column; }
.skill-name { font-size: 0.9rem; font-weight: 500; }
.skill-desc { font-size: 0.72rem; color: var(--muted2); margin-top: 1px; }
.skill-bar { display: flex; gap: 4px; flex-shrink: 0; }
.skill-pip { width: 10px; height: 10px; border-radius: 3px; background: var(--surface3); border: 1px solid var(--border2); }
.skill-pip.filled { background: var(--accent); border-color: var(--accent); }

/* Setup grid */
.setup-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.setup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.setup-card:hover { border-color: rgba(239,159,39,0.2); transform: translateY(-2px); }
.setup-icon { font-size: 2rem; margin-bottom: 14px; }
.setup-card h4 { font-weight: 600; margin-bottom: 7px; font-size: 0.95rem; }
.setup-card p { color: var(--muted); font-size: 0.85rem; line-height: 1.6; }

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 24px 32px;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
  font-size: 0.78rem; color: var(--muted2);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); font-size: 0.78rem; }
.footer-links a:hover { color: var(--accent); text-decoration: none; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .blog-layout { grid-template-columns: 1fr; gap: 40px; }
  .blog-sidebar { display: none; }
  .post-row { grid-template-columns: 1fr; }
  .post-row-img { max-height: 200px; }
  .post-nav { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}
@media (max-width: 600px) {
  .hero { padding: 100px 20px 60px; }
  .section { padding: 56px 0; }
  .container { padding: 0 20px; }
  .post-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .site-header { padding: 0 20px; }
}