/* === HAAS-TERMINAL THEME === */

:root {
  --bg: #09090b;
  --bg-elevated: #0f0f12;
  --bg-hover: #151518;
  --border: #1a1a1f;
  --border-hover: #28282f;
  --text: #d0d0d4;
  --text-secondary: #78787f;
  --text-muted: #48484f;
  --accent: #3ddc84;
  --accent-hover: #5ae89c;
  --accent-dim: #2fba6e;
  --accent-subtle: rgba(61, 220, 132, 0.07);
  --accent-glow: rgba(61, 220, 132, 0.1);
  --red-soft: #e8655a;
  --blue-soft: #5b9cf6;
  --amber-soft: #e0a846;
  --sans: 'DM Sans', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --radius: 8px;
  --radius-sm: 5px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hover) var(--bg);
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

/* Subtle grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 220, 132, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 220, 132, 0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* === HEADER === */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.88);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 28px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  letter-spacing: -0.3px;
}

.logo .prompt { color: var(--accent); }

.logo .cursor {
  display: inline-block;
  width: 7px;
  height: 16px;
  background: var(--accent);
  margin-left: 2px;
  animation: blink 1.1s step-end infinite;
  border-radius: 1px;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

nav { display: flex; gap: 2px; }

nav a {
  color: var(--text-secondary);
  padding: 7px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 400;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  letter-spacing: 0.2px;
}

nav a:hover { color: var(--text); background: var(--accent-subtle); }
nav a.active { color: var(--accent); background: var(--accent-subtle); }

/* === MAIN === */
main {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 82px 28px 60px;
}

section {
  margin-bottom: 72px;
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.5s ease forwards;
}

section:nth-child(1) { animation-delay: 0.05s; }
section:nth-child(2) { animation-delay: 0.12s; }
section:nth-child(3) { animation-delay: 0.19s; }
section:nth-child(4) { animation-delay: 0.26s; }
section:nth-child(5) { animation-delay: 0.33s; }
section:nth-child(6) { animation-delay: 0.4s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* === HERO === */
.hero { padding: 68px 0 48px; }

.hero-cmd {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.hero-cmd span { color: var(--accent); }

.hero h1 {
  font-family: var(--sans);
  font-size: clamp(34px, 5vw, 50px);
  font-weight: 700;
  color: #efefef;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.hero h1 .accent { color: var(--accent); }

.hero-subtitle {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.65;
  margin-bottom: 32px;
}

.hero-links { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.25s;
  cursor: pointer;
  background: transparent;
  letter-spacing: 0.2px;
}

.btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--bg-elevated);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg);
  box-shadow: 0 4px 24px var(--accent-glow);
}

/* === SECTION HEADERS === */
.section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.section-header .idx {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent-dim);
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* === ABOUT TEXT === */
.about-text {
  max-width: 680px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.about-text strong { color: var(--accent); font-weight: 500; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tag {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  padding: 5px 13px;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
  transition: all 0.2s;
}

.tag:hover { border-color: var(--border-hover); color: var(--text-secondary); }

/* === PROJECT CARDS === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 14px;
}

.project-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.project-card:hover::before { opacity: 1; }

.project-lang {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.project-lang.go { background: rgba(0, 173, 216, 0.12); color: #00ADD8; }
.project-lang.py { background: rgba(55, 118, 171, 0.12); color: #5b9cf6; }

.project-name {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
  letter-spacing: -0.3px;
}

.project-full {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

.project-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.65;
}

.project-tech { display: flex; flex-wrap: wrap; gap: 6px; }

.project-tech span {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 3px 10px;
  background: rgba(255,255,255,0.035);
  border-radius: 4px;
  color: var(--text-muted);
}

/* === CERTIFICATIONS === */
.certs-category { margin-bottom: 24px; }

.certs-label {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.indicator {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.indicator-red { background: var(--red-soft); }
.indicator-blue { background: var(--blue-soft); }
.indicator-amber { background: var(--amber-soft); }

.certs-list { display: flex; flex-wrap: wrap; gap: 8px; }

.cert {
  font-size: 12.5px;
  font-weight: 450;
  padding: 7px 15px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all 0.2s;
  cursor: default;
}

.cert:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
  background: var(--accent-subtle);
}

/* === TECH STACK === */
.stack-section { margin-bottom: 22px; }

.stack-label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stack-pills { display: flex; flex-wrap: wrap; gap: 6px; }

.pill {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  padding: 5px 13px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  transition: all 0.2s;
  cursor: default;
}

.pill:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
  background: var(--accent-subtle);
}

/* === BLOG === */
.blog-post {
  display: block;
  padding: 18px 20px;
  margin-bottom: 6px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all 0.2s;
}

.blog-post:hover {
  background: var(--bg-elevated);
  border-color: var(--border);
}

.blog-post:hover .blog-title { color: var(--accent); }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.blog-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}

.blog-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  padding: 2px 8px;
  background: var(--accent-subtle);
  border-radius: 4px;
  color: var(--accent-dim);
}

.blog-title {
  font-size: 15.5px;
  font-weight: 560;
  color: var(--text);
  transition: color 0.2s;
  letter-spacing: -0.2px;
  margin-bottom: 3px;
}

.blog-excerpt {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

.blog-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent);
  padding: 8px 0;
  transition: gap 0.2s;
}

.blog-more:hover { color: var(--accent-hover); gap: 10px; }

/* === TIMELINE === */
.timeline { position: relative; padding-left: 22px; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--border) 50%, transparent);
}

.timeline-item { position: relative; padding-bottom: 28px; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -25px; top: 7px;
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg);
}

.timeline-item:not(:first-child)::before { border-color: var(--border-hover); }

.timeline-role {
  font-size: 14.5px;
  font-weight: 560;
  color: var(--text);
  letter-spacing: -0.2px;
}

.timeline-company { font-size: 13px; color: var(--text-secondary); }

.timeline-date {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* === SINGLE POST / PAGE CONTENT === */
.post-header { margin-bottom: 40px; padding-top: 40px; }

.post-header h1 {
  font-family: var(--sans);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  color: #efefef;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.post-content {
  max-width: 720px;
  color: var(--text-secondary);
  font-size: 15.5px;
  line-height: 1.85;
}

.post-content h2 {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 650;
  color: var(--text);
  margin-top: 40px;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.post-content h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-top: 32px;
  margin-bottom: 12px;
}

.post-content p { margin-bottom: 18px; }

.post-content strong { color: var(--text); font-weight: 550; }

.post-content a { color: var(--accent); border-bottom: 1px solid var(--accent-subtle); }
.post-content a:hover { border-bottom-color: var(--accent); }

.post-content code {
  font-family: var(--mono);
  font-size: 13.5px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--accent);
}

.post-content pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 24px;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
}

.post-content blockquote {
  border-left: 2px solid var(--accent-dim);
  padding-left: 20px;
  margin: 24px 0;
  color: var(--text-muted);
  font-style: italic;
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 24px 0;
}

.post-content ul, .post-content ol {
  margin-bottom: 18px;
  padding-left: 24px;
}

.post-content li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.post-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 36px 0;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.post-nav a {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.post-nav a:hover { color: var(--accent); }

/* === FOOTER === */
footer {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 36px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-text {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}

.footer-links { display: flex; gap: 20px; }

.footer-links a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .header-inner { padding: 0 18px; }
  main { padding: 74px 18px 40px; }
  .hero { padding: 44px 0 36px; }
  nav a { padding: 6px 10px; font-size: 12px; }
  .projects-grid { grid-template-columns: 1fr; }
  section { margin-bottom: 52px; }
  footer { padding: 28px 18px; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  nav { gap: 0; }
  nav a { padding: 6px 6px; font-size: 11px; }
  .hero h1 { font-size: 28px; letter-spacing: -1px; }
  .hero-links { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}