:root {
  --bg: #0a0e1a;
  --bg-alt: #0f1424;
  --surface: #141b2e;
  --surface-2: #1a2338;
  --border: #24304d;
  --text: #e6ebf5;
  --text-dim: #9aa7c2;
  --text-mute: #6b7793;
  --accent: #3fa9ff;
  --accent-2: #7c5cff;
  --accent-3: #23d5ab;
  --glow: rgba(63, 169, 255, 0.35);
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 16px;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
strong { color: #fff; font-weight: 700; }

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  z-index: 200;
  transition: width 0.1s linear;
}

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-family: var(--mono);
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 20px var(--glow);
}
.brand-text { font-size: 1.05rem; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff !important;
  font-weight: 600;
}
.nav-cta:hover { box-shadow: 0 4px 20px var(--glow); }
.nav-resume {
  font-family: var(--mono);
  font-size: 0.86rem !important;
  border: 1px solid var(--border);
}
.nav-resume:hover { border-color: var(--accent); color: var(--accent) !important; }
.nav-links a.active { color: var(--text); background: var(--surface); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 20%, transparent 75%);
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: float 14s ease-in-out infinite;
}
.blob-1 { width: 480px; height: 480px; background: var(--accent); top: -120px; right: -80px; }
.blob-2 { width: 420px; height: 420px; background: var(--accent-2); bottom: -140px; left: -100px; animation-delay: -7s; }
@keyframes float {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px,-30px) scale(1.08); }
}
.hero-content { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 0.82rem;
  color: var(--text-dim);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 28px;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 0 0 var(--accent-3);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(35,213,171,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(35,213,171,0); }
  100% { box-shadow: 0 0 0 0 rgba(35,213,171,0); }
}
.hero-title {
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.hero-role {
  font-family: var(--mono);
  font-size: clamp(1rem, 2.4vw, 1.5rem);
  color: var(--accent);
  min-height: 1.6em;
  margin-bottom: 24px;
}
.hero-role::after { content: "▋"; animation: blink 1s step-end infinite; color: var(--accent-2); }
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { max-width: 720px; font-size: 1.1rem; color: var(--text-dim); margin-bottom: 28px; }

/* Hero AI callout */
.hero-callout {
  max-width: 660px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  margin-bottom: 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(63,169,255,0.1), rgba(124,92,255,0.1));
  border: 1px solid rgba(124,92,255,0.35);
  position: relative;
  overflow: hidden;
}
.hero-callout::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(var(--accent), var(--accent-2));
}
.hero-callout-tag {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  padding-top: 2px;
  letter-spacing: 0.03em;
}
.hero-callout p { font-size: 0.96rem; color: var(--text-dim); margin: 0; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-badge {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.hero-badge:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.btn {
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px var(--glow); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 24px; font-size: 0.9rem; color: var(--text-mute); font-family: var(--mono); }

/* Metrics */
.metrics {
  max-width: var(--maxw);
  margin: -40px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}
.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}
.metric:hover { transform: translateY(-4px); border-color: var(--accent); }
.metric-num {
  font-family: var(--mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric-label { color: var(--text-dim); font-size: 0.9rem; margin-top: 6px; }

/* Sections */
.section { max-width: var(--maxw); margin: 0 auto; padding: 100px 24px; }
.section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 48px; }
.section-index { font-family: var(--mono); color: var(--accent); font-size: 1rem; font-weight: 700; }
.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 60px; height: 4px;
  margin-top: 10px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* About */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; }
.about-text p { color: var(--text-dim); margin-bottom: 18px; font-size: 1.05rem; }
.about-competencies {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.about-competencies h3 { font-size: 1.1rem; margin-bottom: 18px; }
.about-competencies ul { list-style: none; display: grid; gap: 10px; }
.about-competencies li {
  padding-left: 24px;
  position: relative;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.about-competencies li::before {
  content: "▹";
  position: absolute; left: 0;
  color: var(--accent);
}

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.3s, border-color 0.3s;
}
.skill-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.skill-card h3 {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.05rem; margin-bottom: 18px;
}
.skill-card h3 .ico { font-size: 1.3rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.tag:hover { color: #fff; border-color: var(--accent); background: rgba(63,169,255,0.1); }

/* Logo marquee */
.logos-band { padding: 40px 0 20px; overflow: hidden; }
.logos-caption {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 28px;
}
.marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  width: max-content;
  animation: scroll-x 45s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-chip {
  width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.28);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.logo-chip img {
  max-width: 58px;
  max-height: 52px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.logo-item span {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-mute);
  letter-spacing: 0.02em;
  transition: color 0.3s;
}
.logo-item:hover .logo-chip {
  transform: translateY(-6px) scale(1.04);
  box-shadow: 0 16px 34px rgba(63,169,255,0.3);
  border-color: var(--accent);
}
.logo-item:hover span { color: var(--text); }
@keyframes scroll-x {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; flex-wrap: wrap; justify-content: center; }
}

/* Timeline */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2), transparent);
}
.tl-item { position: relative; padding-bottom: 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute; left: -32px; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(63,169,255,0.15);
}
.tl-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.tl-role { font-size: 1.2rem; font-weight: 700; }
.tl-date { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); white-space: nowrap; }
.tl-company { color: var(--text-dim); font-weight: 600; margin-bottom: 16px; }
.tl-points { list-style: none; display: grid; gap: 12px; }
.tl-points li {
  position: relative; padding-left: 22px;
  color: var(--text-dim); font-size: 0.98rem;
}
.tl-points li::before {
  content: "▸"; position: absolute; left: 0; top: 0;
  color: var(--accent-2);
}

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex; flex-direction: column;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }
.project-card:hover::before { transform: scaleX(1); }
.project-card h3 { font-size: 1.15rem; margin-bottom: 14px; }
.project-card ul { list-style: none; display: grid; gap: 8px; margin-bottom: 18px; flex: 1; }
.project-card li { position: relative; padding-left: 20px; color: var(--text-dim); font-size: 0.92rem; }
.project-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-3); font-weight: 700; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.proj-tags span {
  font-family: var(--mono); font-size: 0.74rem;
  padding: 4px 9px; border-radius: 6px;
  background: rgba(124,92,255,0.12);
  border: 1px solid rgba(124,92,255,0.3);
  color: #b9a7ff;
}

/* Certs & Education */
.certs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.certs-col h3 { font-size: 1.2rem; margin-bottom: 22px; }
.cert-list, .edu-list { list-style: none; display: grid; gap: 16px; }
.cert-list li {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  color: var(--text-dim);
  transition: border-color 0.2s, transform 0.2s;
}
.cert-list li:hover { border-color: var(--accent); transform: translateX(4px); }
.cert-badge {
  font-family: var(--mono); font-weight: 700; font-size: 0.78rem;
  padding: 5px 10px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; flex-shrink: 0;
}
.edu-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: grid; gap: 4px;
}
.edu-list strong { font-size: 1rem; }
.edu-list span { color: var(--text-dim); font-size: 0.9rem; }
.edu-year { font-family: var(--mono); color: var(--accent) !important; font-size: 0.82rem !important; }

/* Contact */
.contact { text-align: center; }
.contact-card {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 32px;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(63,169,255,0.15), transparent 60%);
}
.contact-card h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 12px; position: relative; }
.contact-card > p { color: var(--text-dim); margin-bottom: 36px; position: relative; }
.contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; position: relative; }
.contact-link {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 22px;
  text-align: left;
  transition: transform 0.2s, border-color 0.2s;
}
.contact-link:hover { transform: translateY(-3px); border-color: var(--accent); }
.contact-link .ci {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-family: var(--mono);
  flex-shrink: 0;
}
.contact-link span span { display: block; }
.cl { font-size: 0.75rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.08em; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-mute);
  font-size: 0.88rem;
}

/* Scroll to top */
.to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
  display: grid; place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s, border-color 0.2s;
  z-index: 90;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--accent); color: var(--accent); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .about-grid, .certs-grid { grid-template-columns: 1fr; gap: 32px; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 72px; right: 16px; left: 16px;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 12px;
    gap: 4px;
    transform: translateY(-140%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav-links.open { transform: none; opacity: 1; }
  .nav-toggle { display: flex; }
  .skills-grid, .projects-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 20px; }
}
@media (max-width: 480px) {
  .metrics { grid-template-columns: 1fr; }
  .hero-meta { gap: 12px; flex-direction: column; }
}