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

:root {
  --bg:        #0A0E1A;
  --bg2:       #0F1525;
  --bg3:       #151D30;
  --indigo:    #6366F1;
  --indigo-l:  #818CF8;
  --lavender:  #A5B4FC;
  --white:     #F8FAFC;
  --muted:     #64748B;
  --muted-l:   #94A3B8;
  --border:    rgba(99,102,241,0.18);
  --glow:      rgba(99,102,241,0.25);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 6%;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 1.2rem;
  color: var(--white); text-decoration: none; letter-spacing: -0.02em;
}
.nav-logo span { color: var(--indigo); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted-l); text-decoration: none;
  font-size: 0.875rem; font-weight: 500;
  transition: color 0.2s; letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--lavender); }
.nav-cta {
  background: var(--indigo); color: var(--white) !important;
  padding: 0.45rem 1.1rem; border-radius: 6px;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--indigo-l) !important; color: var(--bg) !important; }

/* mobile nav toggle */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 34px; height: 34px; background: transparent; border: none; cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 100%; height: 2px; background: var(--white);
  border-radius: 2px; transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 6rem 6% 4rem;
  position: relative; overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center; width: 100%;
  max-width: 1200px; margin: 0 auto;
}
.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; color: var(--indigo);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero-eyebrow::before { content: '> '; opacity: 0.6; }
h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.6rem, 4.5vw, 3.8rem);
  font-weight: 700; line-height: 1.1;
  letter-spacing: -0.03em; margin-bottom: 1.2rem;
}
h1 span { color: var(--indigo-l); }
.hero-role-wrap {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem; color: var(--lavender);
  margin-bottom: 1.6rem; min-height: 1.5em;
}
.cursor {
  display: inline-block; width: 2px; height: 1em;
  background: var(--indigo); vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc {
  color: var(--muted-l); font-size: 1rem;
  line-height: 1.75; max-width: 520px; margin-bottom: 2rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: var(--indigo); color: var(--white);
  padding: 0.7rem 1.6rem; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem;
  text-decoration: none; transition: all 0.2s;
  border: 1px solid var(--indigo);
}
.btn-primary:hover { background: var(--indigo-l); transform: translateY(-1px); box-shadow: 0 8px 24px var(--glow); }
.btn-outline {
  background: transparent; color: var(--lavender);
  padding: 0.7rem 1.6rem; border-radius: 8px;
  font-weight: 500; font-size: 0.9rem;
  text-decoration: none; transition: all 0.2s;
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--indigo-l); color: var(--white); transform: translateY(-1px); }

/* terminal card */
.terminal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
}
.terminal-bar {
  background: var(--bg3); padding: 0.75rem 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #FF5F57; }
.dot.y { background: #FEBC2E; }
.dot.g { background: #28C840; }
.terminal-title { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--muted); margin-left: auto; }
.terminal-body { padding: 1.4rem 1.6rem; font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; line-height: 2; }
.t-line { display: flex; gap: 0.6rem; }
.t-prompt { color: var(--indigo); }
.t-cmd { color: var(--lavender); }
.t-out { color: var(--muted-l); padding-left: 1.3rem; }
.t-key { color: #A5B4FC; }
.t-val { color: #86EFAC; }
.t-divider { border: none; border-top: 1px solid var(--border); margin: 0.6rem 0; }

/* bg glow blobs */
.blob {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.12; pointer-events: none;
}
.blob1 { width: 500px; height: 500px; background: var(--indigo); top: -100px; right: -100px; }
.blob2 { width: 350px; height: 350px; background: #7C3AED; bottom: 0; left: -80px; }

/* ── SECTIONS COMMON ── */
section { padding: 6rem 6%; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--indigo);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 0.6rem;
}
h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700; letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}
.section-sub { color: var(--muted-l); font-size: 0.95rem; margin-bottom: 3rem; max-width: 560px; }

/* ── ABOUT ── */
#about { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text p { color: var(--muted-l); line-height: 1.8; margin-bottom: 1rem; font-size: 0.97rem; }
.lang-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.pill {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--lavender); border-radius: 20px;
  padding: 0.3rem 0.85rem; font-size: 0.8rem; font-weight: 500;
}
/* status cards */
.status-cards { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.status-card {
  display: flex; align-items: center; gap: 0.9rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.9rem 1.1rem;
  transition: border-color 0.2s;
}
.status-card:hover { border-color: var(--indigo); }
.status-icon { font-size: 1.3rem; line-height: 1; flex-shrink: 0; }
.status-title { font-size: 0.82rem; font-weight: 600; color: var(--white); margin-bottom: 0.25rem; }
.status-badge {
  display: inline-block; font-size: 0.72rem; font-family: 'JetBrains Mono', monospace;
  font-weight: 500; border-radius: 20px; padding: 0.18rem 0.7rem;
}
.badge-green { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.25); }
.badge-gold  { background: rgba(251,191,36,0.12); color: #fbbf24; border: 1px solid rgba(251,191,36,0.3); }

.about-stats { display: flex; flex-direction: column; gap: 1.2rem; }
.stat-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.4rem 1.6rem;
  transition: border-color 0.2s, transform 0.2s;
}
.stat-card:hover { border-color: var(--indigo); transform: translateX(4px); }
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem; font-weight: 700;
  color: var(--indigo-l); line-height: 1;
}
.stat-label { color: var(--muted-l); font-size: 0.85rem; margin-top: 0.3rem; }

/* ── SKILLS ── */
#skills { background: var(--bg); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.skill-category {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.6rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.skill-category:hover { border-color: var(--indigo); box-shadow: 0 0 30px var(--glow); }
.skill-cat-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem; font-weight: 600;
  color: var(--indigo-l); margin-bottom: 1rem;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.skill-tag {
  background: var(--bg3); color: var(--muted-l);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px; padding: 0.28rem 0.7rem;
  font-size: 0.78rem; font-family: 'JetBrains Mono', monospace;
  transition: all 0.2s;
}
.skill-tag:hover { color: var(--lavender); border-color: var(--border); background: rgba(99,102,241,0.1); }

/* ── EXPERIENCE ── */
#experience { background: var(--bg2); }
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: grid; grid-template-columns: 200px 1fr;
  gap: 2.5rem; padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}
.timeline-item:last-child { border-bottom: 1px solid var(--border); }
.tl-company {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem; font-weight: 600; color: var(--indigo-l);
}
.tl-period {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted); margin-top: 0.3rem;
}
.tl-location { font-size: 0.78rem; color: var(--muted); margin-top: 0.2rem; }
.tl-role {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem; font-weight: 600; margin-bottom: 0.9rem;
}
.tl-bullets { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.tl-bullets li {
  color: var(--muted-l); font-size: 0.9rem; line-height: 1.65;
  padding-left: 1.2rem; position: relative;
}
.tl-bullets li::before {
  content: '▸'; position: absolute; left: 0;
  color: var(--indigo); font-size: 0.7rem; top: 0.2rem;
}

/* ── PROJECTS ── */
#projects { background: var(--bg); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.8rem; }
.project-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem;
  transition: all 0.25s; position: relative; overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--lavender));
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover { border-color: var(--indigo); transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }
.project-period {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted); margin-bottom: 0.8rem;
}
.project-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem; font-weight: 600; margin-bottom: 0.9rem; line-height: 1.3;
}
.project-desc { color: var(--muted-l); font-size: 0.88rem; line-height: 1.7; margin-bottom: 1.2rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-tag {
  background: rgba(99,102,241,0.12); color: var(--lavender);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 4px; padding: 0.2rem 0.6rem;
  font-size: 0.72rem; font-family: 'JetBrains Mono', monospace;
}
.project-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.2rem; color: var(--muted-l); text-decoration: none;
  font-size: 0.82rem; font-weight: 500; transition: color 0.2s;
}
.project-link svg { width: 16px; height: 16px; }
.project-link:hover { color: var(--lavender); }
.projects-more {
  margin-top: 2rem; color: var(--muted); font-size: 0.82rem; line-height: 1.7;
}
.projects-more a { color: var(--indigo-l); text-decoration: none; }
.projects-more a:hover { color: var(--lavender); text-decoration: underline; }

/* ── EDUCATION ── */
#education { background: var(--bg2); }
.edu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.edu-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.8rem;
  transition: border-color 0.2s;
}
.edu-card:hover { border-color: var(--indigo-l); }
.edu-degree {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem;
}
.edu-school { color: var(--indigo-l); font-size: 0.88rem; font-weight: 500; margin-bottom: 0.3rem; }
.edu-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
}

/* ── CERTIFICATIONS ── */
.certs { margin-top: 3rem; }
.certs-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem; font-weight: 600; margin-bottom: 1.2rem; color: var(--muted-l);
}
.cert-list { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.cert-item {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.6rem 1rem;
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.82rem; color: var(--muted-l); transition: all 0.2s;
}
.cert-item:hover { border-color: var(--indigo); color: var(--lavender); }
.cert-icon { color: var(--indigo); font-size: 0.9rem; }

/* ── CONTACT ── */
#contact { background: var(--bg); }
.contact-inner { max-width: 700px; margin: 0 auto; text-align: center; }
.contact-inner h2 { margin-bottom: 0.6rem; }
.contact-inner p { color: var(--muted-l); margin-bottom: 2.5rem; }
.contact-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }
.contact-link {
  display: flex; align-items: center; gap: 0.6rem;
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--muted-l); text-decoration: none;
  padding: 0.75rem 1.4rem; border-radius: 10px;
  font-size: 0.88rem; font-weight: 500;
  transition: all 0.2s;
}
.contact-link:hover { border-color: var(--indigo); color: var(--lavender); transform: translateY(-2px); box-shadow: 0 8px 24px var(--glow); }
.contact-link svg { width: 18px; height: 18px; }

/* ── FOOTER ── */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  text-align: center; padding: 2rem 6%;
  color: var(--muted); font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
}
footer span { color: var(--indigo); }

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

/* ── MOBILE ── */
@media (max-width: 768px) {
  nav { padding: 1rem 5%; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 1rem;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    padding: 1.2rem 6% 1.6rem;
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.25s ease, opacity 0.2s ease;
  }
  .nav-links.open { max-height: 320px; opacity: 1; }
  #hero { padding: 5rem 5% 3rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 0.5rem; }
  section { padding: 4rem 5%; }
}