:root {
  --bg: #08080a;
  --bg-elevated: #0e0e11;
  --bg-card: #131316;
  --border: #2b2b30;
  --border-soft: #1c1c20;
  --text-primary: #ececee;
  --text-secondary: #9a9aa2;
  --accent: #dc143c;
  --accent-bright: #ff3358;
  --accent-dim: #8c0f2c;
  --accent-glow: rgba(220, 20, 60, 0.35);
  --gray-shadow: rgba(160, 160, 170, 0.08);
  --success: #4ade80;
  --radius: 12px;
  --max-width: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background:
    radial-gradient(ellipse 900px 600px at 15% -10%, rgba(220, 20, 60, 0.14), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 20%, rgba(150, 150, 160, 0.06), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: rgba(220, 20, 60, 0.3);
  color: var(--text-primary);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ringPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow), 0 20px 60px rgba(0,0,0,0.6); }
  50% { box-shadow: 0 0 0 14px rgba(220, 20, 60, 0), 0 20px 70px rgba(0,0,0,0.65); }
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
}

@keyframes crimsonPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 20, 60, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(220, 20, 60, 0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 8, 10, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  animation: fadeIn 0.8s var(--ease) both;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  position: relative;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.25s var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 4rem;
}

.hero-visual {
  flex-shrink: 0;
  position: relative;
}

.hero-visual {
  animation: fadeInUp 0.9s var(--ease) both;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), transparent 30%, transparent 70%, var(--accent-bright));
  opacity: 0.55;
  z-index: -1;
  animation: spin 8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hero-img {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  object-fit: contain;
  background: var(--bg-card);
  border: 2px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  animation: ringPulse 4s ease-in-out infinite;
  transition: transform 0.4s var(--ease);
}

.hero-img:hover {
  transform: scale(1.03);
}

.hero-content {
  max-width: 640px;
}

.hero-greeting {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent-bright);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  animation: fadeInUp 0.7s var(--ease) both;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  animation: fadeInUp 0.7s var(--ease) both;
  animation-delay: 0.08s;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--accent-bright), var(--accent) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
  animation: fadeInUp 0.7s var(--ease) both;
}

.hero p:nth-of-type(1) { animation-delay: 0.16s; }
.hero p:nth-of-type(2) { animation-delay: 0.24s; }
.hero p:nth-of-type(3) { animation-delay: 0.32s; }

.engagement {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  animation: fadeInUp 0.7s var(--ease) both;
  animation-delay: 0.36s;
}

.engagement span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  color: var(--accent-bright);
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s var(--ease) both;
  animation-delay: 0.4s;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s var(--ease);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0c;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 0 0 0 rgba(160,160,170,0);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

/* Section Layout */
section {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-note {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 0.75rem;
  font-weight: 600;
}

/* Projects */
.projects {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  padding: 2.5rem;
  margin: 0 0 2rem;
  border: 3px solid transparent;
  border-radius: var(--radius);
  position: relative;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.entry:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(0,0,0,0.45), 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.entry:last-child {
  margin-bottom: 0;
}

.entry-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  padding-top: 0.25rem;
}

.entry-index .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 0.5rem;
  vertical-align: middle;
}

.entry.is-live .dot {
  background: var(--success);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.4);
  animation: dotPulse 2s ease-in-out infinite;
}

.entry-body h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.entry-body h3 a {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.entry-body h3 a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.status-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 500;
}

.is-live .status-tag {
  color: var(--success);
  border-color: rgba(74, 222, 128, 0.2);
}

.entry-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 640px;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.stack span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.stack span:hover {
  border-color: var(--accent-dim);
  color: var(--accent-bright);
  transform: translateY(-1px);
}

.entry-body.has-video {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.entry-video {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.entry-video:hover {
  border-color: var(--border-soft);
  box-shadow: 0 16px 40px rgba(0,0,0,0.6), 0 0 0 1px var(--gray-shadow);
}

.entry-video video,
.entry-video img {
  width: 100%;
  display: block;
  aspect-ratio: 1280 / 598;
  object-fit: cover;
  background: var(--bg);
}

.entry-video video {
  cursor: pointer;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-dim);
  box-shadow: 0 16px 32px rgba(0,0,0,0.5), 0 0 20px var(--accent-glow);
}

.skill-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.skill-card ul {
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* Experience */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-item {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border);
}

.timeline-item {
  transition: transform 0.3s var(--ease);
}

.timeline-item:hover {
  transform: translateX(4px);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -3px;
  top: 0.4rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: crimsonPulse 2.4s ease-in-out infinite;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.timeline-header h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

.timeline-header .date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.timeline-item .role {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.timeline-item ul {
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.timeline-item ul li {
  position: relative;
  padding-left: 1rem;
}

.timeline-item ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-dim);
}

/* Contact */
.contact {
  text-align: center;
  padding: 8rem 2rem;
}

.contact h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.contact p {
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
}

/* Responsive */
@media (max-width: 900px) {
  .entry-body.has-video {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 6rem;
    gap: 2rem;
  }

  .hero-img {
    width: 240px;
    height: 240px;
  }

  .hero-cta,
  .engagement {
    justify-content: center;
  }

  .entry {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem;
  }

  .nav-links {
    display: none;
  }
}