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

:root {
  --bg: #0a0d12;
  --surface: #111620;
  --border: #1e2635;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --text: #e2e8f0;
  --muted: #64748b;
  --mono: 'Space Mono', monospace;
  --display: 'Syne', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.35;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}


nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 3rem;
  background: rgba(10, 13, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--accent2);
  flex-shrink: 0;
}

.nav-logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }


section { position: relative; z-index: 1; }


#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0,229,255,0.25);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  margin-bottom: 2rem;
  width: fit-content;
  animation: fadeSlideUp 0.6s ease both;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

h1.hero-name {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
  animation: fadeSlideUp 0.6s 0.1s ease both;
}

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

.hero-role {
  font-family: var(--display);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--muted);
  margin-top: 1rem;
  font-weight: 400;
  animation: fadeSlideUp 0.6s 0.2s ease both;
}

.hero-desc {
  max-width: 560px;
  color: var(--muted);
  margin-top: 1.5rem;
  font-size: 0.85rem;
  animation: fadeSlideUp 0.6s 0.3s ease both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  animation: fadeSlideUp 0.6s 0.4s ease both;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}
.btn-primary:hover { background: #fff; transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  padding: 0.75rem 1.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  animation: fadeSlideUp 0.6s 0.5s ease both;
}
.stat-num {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
}
.stat-num span { color: var(--accent); }
.stat-label { font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

#about {
  padding: 6rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 2.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.about-text { color: var(--muted); font-size: 0.85rem; line-height: 1.9; }
.about-text p + p { margin-top: 1rem; }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.skill-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.skill-chip:hover { border-color: var(--accent); transform: translateX(4px); }
.skill-chip::before { content: '//'; color: var(--accent); font-size: 0.65rem; }



    #achievements {
      padding: 7rem 2rem;
      max-width: 1100px;
      margin: 0 auto;
    }

    .achievements-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 1.5rem;
      margin-top: 3rem;
    }


    .achievement-role {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      gap: 1.2rem;
      margin-top: 2.5rem;
      margin-bottom: 0.25rem;
    }

    .achievement-role:first-of-type {
      margin-top: 0;
    }

    .role-badge {
      font-family: 'Space Mono', monospace;
      font-size: 0.6rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent, #e8ff47);
      border: 1px solid var(--accent, #e8ff47);
      padding: 0.3em 0.75em;
      white-space: nowrap;
    }

    .role-line {
      flex: 1;
      height: 1px;
      background: linear-gradient(to right, var(--accent, #e8ff47) 0%, transparent 100%);
      opacity: 0.25;
    }

    .role-title-block {
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
    }

    .role-org {
      font-family: 'Syne', sans-serif;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text, #f5f5f0);
      line-height: 1.1;
    }

    .role-period {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      color: var(--muted, #888);
      letter-spacing: 0.12em;
    }


    .achievement-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.07);
      padding: 1.5rem 1.75rem;
      position: relative;
      transition: border-color 0.25s, background 0.25s;
      overflow: hidden;
    }

    .achievement-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0;
      width: 3px;
      height: 100%;
      background: var(--accent, #e8ff47);
      opacity: 0;
      transition: opacity 0.25s;
    }

    .achievement-card:hover {
      background: rgba(232,255,71,0.04);
      border-color: rgba(232,255,71,0.2);
    }

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

    .achievement-icon {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      color: var(--accent, #e8ff47);
      letter-spacing: 0.15em;
      margin-bottom: 0.75rem;
      opacity: 0.8;
    }

    .achievement-text {
      font-family: 'Space Mono', monospace;
      font-size: 0.82rem;
      line-height: 1.75;
      color: var(--muted, #aaa);
    }

    .achievement-text strong {
      color: var(--text, #f5f5f0);
      font-weight: 700;
    }

    .achievement-card.wide {
      grid-column: 1 / -1;
    }

    .ach-stats {
      display: flex;
      gap: 2.5rem;
      flex-wrap: wrap;
      margin-top: 0.75rem;
    }

    .ach-stat {
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
    }

    .ach-stat-num {
      font-family: 'Syne', sans-serif;
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent, #e8ff47);
      line-height: 1;
    }

    .ach-stat-num span {
      font-size: 1rem;
      opacity: 0.6;
    }

    .ach-stat-label {
      font-family: 'Space Mono', monospace;
      font-size: 0.6rem;
      letter-spacing: 0.1em;
      color: var(--muted, #888);
      text-transform: uppercase;
    }

#contact {
  padding: 6rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro { color: var(--muted); font-size: 0.85rem; margin-top: 1rem; line-height: 1.9; }

.contact-links { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.contact-link:hover { border-color: var(--accent); color: var(--accent); }
.contact-link-icon { color: var(--accent); font-size: 1rem; width: 1.5rem; text-align: center; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }
.form-input, .form-textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { height: 120px; }


footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--muted);
  position: relative;
  z-index: 1;
}


@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }


::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }


@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  #hero, #about, #projects { padding: 5rem 1.5rem 3rem; }
  #contact { grid-template-columns: 1fr; padding: 4rem 1.5rem; gap: 2rem; }
  .about-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  footer { padding: 1.5rem; flex-direction: column; gap: 0.5rem; text-align: center; }
}