/* Robotic / cyber-industrial — refined for readability */
:root {
  --bg-deep: #04070c;
  --bg-panel: #0a0f16;
  --bg-card: #0d131c;
  --border: #1a3042;
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.12);
  --magenta: #c084fc;
  --magenta-dim: rgba(192, 132, 252, 0.1);
  --text: #d1dae6;
  --text-muted: #64748b;
  --font-display: "Orbitron", sans-serif;
  --font-mono: "Share Tech Mono", monospace;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
  --glow: 0 0 24px rgba(34, 211, 238, 0.28);
  --radius: 6px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background layers */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(34, 211, 238, 0.08), transparent 55%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
  pointer-events: none;
  z-index: 0;
}

.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 4px
  );
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(4, 7, 12, 0.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px) saturate(1.2);
  transition: border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-decoration: none;
  text-shadow: var(--glow);
  position: relative;
}

.logo::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--magenta);
  clip-path: inset(0 50% 0 0);
  opacity: 0.5;
  pointer-events: none;
}

.nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav a {
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  transition: color 0.2s, text-shadow 0.2s;
}

.nav a:hover {
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cyan);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem 1.5rem;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .site-header.nav-open .nav {
    display: flex;
  }
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 60px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-name {
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .name-main {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-panel {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }
}

.hero-tag {
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--magenta);
  margin: 0 0 0.75rem;
}

.blink {
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-name {
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.15rem, 6.5vw, 3.5rem);
  line-height: 1.12;
  margin: 0 0 0.65rem;
  letter-spacing: 0.06em;
  min-height: 1.2em;
}

.name-track {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

.name-glitch-layer {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.name-glitch-layer::before {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  white-space: nowrap;
}

.name-glitch-a::before {
  color: rgba(34, 211, 238, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% 38%, 0 38%);
  animation: glitch-a 4.5s infinite ease-in-out alternate;
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.35);
}

.name-glitch-b::before {
  color: rgba(192, 132, 252, 0.45);
  clip-path: polygon(0 62%, 100% 62%, 100% 100%, 0 100%);
  animation: glitch-b 3.8s infinite ease-in-out alternate;
  text-shadow: 0 0 36px rgba(192, 132, 252, 0.3);
}

@keyframes glitch-a {
  0%,
  90%,
  100% {
    transform: translate(0, 0);
  }
  92% {
    transform: translate(-3px, 1px);
  }
  94% {
    transform: translate(2px, -1px);
  }
}

@keyframes glitch-b {
  0%,
  88%,
  100% {
    transform: translate(0, 0);
  }
  90% {
    transform: translate(2px, 0);
  }
  93% {
    transform: translate(-2px, 1px);
  }
}

.name-main {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.28em;
  animation: name-float 6s ease-in-out infinite;
}

.name-word {
  display: inline-block;
}

.name-char-wrap {
  display: inline-block;
  background: linear-gradient(
    110deg,
    #f1f5f9 0%,
    #7dd3fc 22%,
    var(--cyan) 42%,
    #e9d5ff 58%,
    var(--magenta) 72%,
    #f1f5f9 100%
  );
  background-size: 280% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: name-shine 8s ease infinite;
  filter: drop-shadow(0 0 20px rgba(34, 211, 238, 0.25));
}

.name-word:nth-child(2) .name-char-wrap {
  animation-delay: -2.5s;
}

@keyframes name-shine {
  0%,
  100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

@keyframes name-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.hero-role {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cyan);
  margin: 0 0 0.35rem;
  letter-spacing: 0.1em;
}

.hero-loc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

#status {
  color: #4ade80;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.78rem 1.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: transform 0.2s var(--ease-out), box-shadow 0.25s var(--ease-out), background 0.25s var(--ease-out),
    border-color 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-dim), var(--magenta-dim));
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.45);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--text-muted);
}

.btn-ghost:hover {
  border-color: var(--magenta);
  color: var(--magenta);
}

/* Hero panel graphic */
.hero-panel {
  position: relative;
  aspect-ratio: 1;
  max-width: 340px;
  margin-left: auto;
}

.panel-ring {
  position: absolute;
  inset: 8%;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  box-shadow: inset 0 0 40px var(--cyan-dim), var(--glow);
  animation: spin-slow 20s linear infinite;
}

.panel-ring::before {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px dashed var(--magenta);
  border-radius: 50%;
  opacity: 0.5;
  animation: spin-slow 15s linear infinite reverse;
}

.panel-core {
  position: absolute;
  inset: 28%;
  background: radial-gradient(circle at 30% 30%, var(--cyan), #0a3d44 60%, var(--bg-deep));
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.4);
  animation: pulse-core 3s ease-in-out infinite;
}

.panel-core::after {
  content: "";
  position: absolute;
  inset: 15%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

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

@keyframes pulse-core {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

/* Sections */
main {
  position: relative;
  z-index: 1;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.section-head {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
  border-left: 3px solid var(--cyan);
  padding-left: 1.15rem;
}

.section-head-text {
  flex: 1;
  min-width: 0;
}

.section-head-text .section-lead {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 36rem;
}

.section-id {
  flex-shrink: 0;
  padding-top: 0.2rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--magenta);
  letter-spacing: 0.2em;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  margin: 0;
  color: #f8fafc;
  letter-spacing: 0.08em;
}

.card {
  background: linear-gradient(145deg, rgba(13, 19, 28, 0.95), rgba(10, 15, 22, 0.98));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.card:hover {
  border-color: rgba(34, 211, 238, 0.28);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(34, 211, 238, 0.06);
}

.card-glow {
  box-shadow: 0 0 0 1px var(--cyan-dim), 0 4px 24px rgba(0, 0, 0, 0.2);
}

.project-card.card-glow:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 40px rgba(34, 211, 238, 0.08);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--cyan);
  margin: 0 0 1rem;
  letter-spacing: 0.06em;
}

.about-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 2fr 1fr;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about .card p {
  margin: 0;
  color: var(--text);
}

.edu-title {
  font-weight: 600;
  color: #fff !important;
  margin-bottom: 0.35rem !important;
}

.edu-meta,
.edu-note {
  color: var(--text-muted) !important;
  font-size: 0.9rem;
  margin-top: 0.25rem !important;
}

/* Skills */
.skills-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 640px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

.skill-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.skill-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(var(--cyan), var(--magenta));
}

.skill-block h3 {
  margin-top: 0;
}

.skill-block ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-family: var(--font-body);
}

.skill-block li {
  margin-bottom: 0.35rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--cyan), transparent);
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-marker {
  position: absolute;
  left: -1.5rem;
  top: 1.25rem;
  width: 14px;
  height: 14px;
  background: var(--bg-deep);
  border: 2px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

.timeline-body header h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #fff;
  margin: 0 0 0.25rem;
}

.org {
  color: var(--magenta);
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}

.timeline-body time {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.exp-summary {
  margin: 1rem 0 0.75rem;
  color: var(--text);
}

.timeline-body ul {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.tech-stack {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.remote-badge {
  display: inline-block;
  font-size: 0.65rem;
  vertical-align: middle;
  margin-left: 0.35rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  letter-spacing: 0.1em;
}

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

.project-card {
  position: relative;
  padding-top: 2.5rem;
}

.project-id {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--magenta);
  letter-spacing: 0.15em;
}

.project-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.project-tag {
  font-size: 0.8rem;
  color: var(--cyan);
  margin: 0 0 0.75rem;
}

.project-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.project-links {
  margin: 1rem 0 0;
}

.project-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, text-shadow 0.2s;
}

.project-link:hover {
  border-bottom-color: var(--cyan);
  text-shadow: var(--glow);
}

.project-note {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-muted);
  border-left: 2px solid rgba(192, 132, 252, 0.45);
  background: rgba(192, 132, 252, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.timeline-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
}

.timeline-body a:hover {
  text-shadow: var(--glow);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 640px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-list .label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--magenta);
}

.contact-list a {
  color: var(--cyan);
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
  text-shadow: var(--glow);
}

.note-card p {
  margin: 0;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2.5rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-brand {
  font-family: var(--font-display);
  color: var(--cyan);
}

.footer-sub {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .blink,
  .name-glitch-a::before,
  .name-glitch-b::before,
  .name-main,
  .name-char-wrap,
  .panel-ring,
  .panel-ring::before,
  .panel-core {
    animation: none !important;
  }

  .section[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .name-char-wrap {
    background: #f1f5f9;
    -webkit-text-fill-color: #f1f5f9;
    color: #f1f5f9;
    -webkit-background-clip: border-box;
    background-clip: border-box;
    filter: none;
  }
}