/* ============ Tokens ============ */
:root{
  --bg: #0a0e14;
  --bg-alt: #0d1219;
  --surface: #10161f;
  --surface-2: #131a24;
  --border: #1e2731;
  --text: #c9d1d9;
  --text-dim: #8b949e;
  --text-muted: #5c6773;
  --accent: #58a6ff;
  --accent-2: #39d353;
  --accent-3: #f0883e;
  --mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 8px;
  --maxw: 1080px;
}

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

html{ scroll-behavior: smooth; }

body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(88,166,255,0.06), transparent 40%),
                     radial-gradient(circle at 80% 70%, rgba(57,211,83,0.05), transparent 40%);
}

a{ color: inherit; text-decoration:none; }

.section-inner{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

/* ============ Nav ============ */
.nav{
  position: sticky; top:0; z-index: 100;
  background: rgba(10,14,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.logo{
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.nav-links{ display:flex; gap: 28px; }
.nav-link{
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: color .2s;
  position: relative;
}
.nav-link::before{ content: "."; color: var(--accent-2); margin-right:2px; }
.nav-link:hover, .nav-link.active{ color: var(--accent); }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ width:22px; height:2px; background: var(--text); display:block; }

/* ============ Hero ============ */
.hero{
  padding: 90px 0 70px;
  border-bottom: 1px solid var(--border);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items:center;
}
.mono-tag{
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.hero-name{
  font-family: var(--mono);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  min-height: 1.2em;
  letter-spacing: -1px;
}
.hero-title{
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-dim);
  font-weight: 500;
  margin: 14px 0 20px;
}
.pipe{ color: var(--accent-3); }
.hero-desc{
  color: var(--text-dim);
  max-width: 54ch;
  margin-bottom: 32px;
}
.hero-stats{
  display:grid;
  grid-template-columns: repeat(4, auto);
  gap: 28px;
  margin-bottom: 36px;
}
.stat{ display:flex; flex-direction:column; }
.stat-num{
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label{ font-size: 0.75rem; color: var(--text-muted); margin-top:2px; }

.hero-cta{ display:flex; gap:16px; flex-wrap: wrap; }
.btn{
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all .2s;
  display:inline-block;
}
.btn-primary{
  background: var(--accent);
  color: #05070a;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-primary:hover{ background: #7bb8ff; }
.btn-outline{ color: var(--text); }
.btn-outline:hover{ border-color: var(--accent); color: var(--accent); }

/* Terminal */
.hero-terminal{ position: relative; }
.terminal-window{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.terminal-bar{
  display:flex; align-items:center; gap:8px;
  padding: 10px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.dot{ width:11px; height:11px; border-radius:50%; }
.dot.red{ background:#ff5f56; }
.dot.yellow{ background:#ffbd2e; }
.dot.green{ background:#27c93f; }
.terminal-title{ margin-left: 8px; font-family: var(--mono); font-size:0.78rem; color: var(--text-muted); }
.terminal-body{ padding: 18px 20px; font-family: var(--mono); font-size: 0.85rem; }
.terminal-body .prompt{ color: var(--accent-2); margin-right: 6px; }
.terminal-output{
  color: var(--text-dim);
  white-space: pre-wrap;
  margin: 10px 0 14px;
  font-size: 0.82rem;
}
.cursor{ animation: blink 1s step-start infinite; color: var(--accent); }
@keyframes blink{ 50%{ opacity: 0; } }

.profile-photo{
  position: absolute;
  bottom: -28px; right: -20px;
  width: 96px; height: 96px;
  border-radius: 50%;
  border: 3px solid var(--bg);
  outline: 2px solid var(--accent);
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* ============ Sections ============ */
.section{ padding: 90px 0; }
.section-alt{ background: var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-kicker{
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.section-title{
  font-size: clamp(1.5rem, 3vw, 2rem);
  color:#fff;
  font-weight: 700;
  margin-bottom: 36px;
}
.certs-title{ margin-top: 56px; }

.about-content p{ color: var(--text-dim); margin-bottom: 18px; max-width: 78ch; }
.about-content strong{ color: var(--text); }

.achievements-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.achievement-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display:flex; gap:14px; align-items:flex-start;
  transition: border-color .2s, transform .2s;
}
.achievement-card:hover{ border-color: var(--accent); transform: translateY(-2px); }
.ach-icon{ color: var(--accent-2); font-family: var(--mono); font-size: 1.1rem; }
.achievement-card p{ color: var(--text-dim); font-size: 0.92rem; }
.achievement-card strong{ color: var(--text); }

/* Timeline */
.timeline{ position: relative; padding-left: 28px; }
.timeline::before{
  content:"";
  position:absolute; left:6px; top:6px; bottom:6px;
  width:2px; background: var(--border);
}
.timeline-item{ position: relative; padding-bottom: 44px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-dot{
  position:absolute; left: -28px; top: 6px;
  width: 14px; height:14px; border-radius:50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.tl-date{ font-family: var(--mono); color: var(--text-muted); font-size: 0.8rem; margin-bottom: 6px; }
.tl-role{ font-size: 1.15rem; color:#fff; font-weight:700; }
.tl-company{ color: var(--accent); font-weight:600; margin-bottom: 12px; }
.tl-list{ list-style: none; }
.tl-list li{
  color: var(--text-dim);
  font-size: 0.92rem;
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}
.tl-list li::before{
  content:"▸";
  position:absolute; left:0; color: var(--accent-2);
}

/* Skills */
.skills-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.skill-cat{
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 14px;
  font-weight: 600;
}
.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 20px;
}
.tag-accent{ border-color: rgba(88,166,255,0.4); color: var(--accent); }
.tag-sm{ font-size: 0.72rem; padding: 4px 10px; }

/* Projects */
.projects-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .2s, transform .2s;
}
.project-card:hover{ border-color: var(--accent-2); transform: translateY(-3px); }
.project-card-head{
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.project-card-head .prompt{ color: var(--accent-2); margin-right:6px; }
.project-file{ color: var(--text-dim); }
.project-card h3{ font-size: 1.05rem; color:#fff; margin-bottom: 8px; }
.project-card p{ color: var(--text-dim); font-size: 0.88rem; margin-bottom: 14px; }

/* Education */
.edu-grid{ display:grid; gap: 20px; margin-bottom: 20px; }
.edu-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.edu-card h3{ color:#fff; font-size: 1.05rem; margin-bottom: 6px; }
.edu-school{ color: var(--accent); font-weight:600; margin-bottom: 6px; }
.edu-date{ font-family: var(--mono); color: var(--text-muted); font-size: 0.8rem; margin-bottom: 12px; }
.gpa{ color: var(--accent-2); margin-left: 10px; }

.certs-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cert-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.cert-card h4{ color: #fff; margin-bottom: 6px; font-size: 0.98rem; }
.cert-card p{ color: var(--text-dim); font-size: 0.85rem; }

/* Contact */
.contact-desc{ color: var(--text-dim); max-width: 60ch; margin-bottom: 36px; }
.contact-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.contact-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display:flex; flex-direction:column; gap:6px;
  transition: border-color .2s, transform .2s;
}
.contact-card:hover{ border-color: var(--accent); transform: translateY(-2px); }
.contact-label{ font-family: var(--mono); color: var(--accent-2); font-size: 0.78rem; }
.contact-value{ color: var(--text); font-size: 0.95rem; word-break: break-word; }

/* Footer */
.footer{
  text-align:center;
  padding: 28px 24px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--mono);
  border-top: 1px solid var(--border);
}

/* ============ Responsive ============ */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .achievements-grid{ grid-template-columns: repeat(2,1fr); }
  .skills-grid{ grid-template-columns: 1fr; }
  .projects-grid{ grid-template-columns: repeat(2,1fr); }
  .certs-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .profile-photo{ position: static; margin-top: 20px; }
}

@media (max-width: 640px){
  .nav-links{
    position:absolute; top: 100%; left:0; right:0;
    background: var(--bg-alt);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .hero-stats{ grid-template-columns: repeat(2, auto); }
  .achievements-grid{ grid-template-columns: 1fr; }
  .projects-grid{ grid-template-columns: 1fr; }
}