* {
  box-sizing: border-box;
}

:root {
  --bg: #071018;
  --panel: rgba(8, 20, 28, 0.82);
  --panel-2: rgba(15, 31, 41, 0.9);
  --text: #eef7f5;
  --muted: #a7b9bb;
  --cyan: #45f4e8;
  --lime: #c9ff57;
  --orange: #ff9f43;
  --pink: #ff4fa3;
  --line: rgba(69, 244, 232, 0.18);
  --shadow: 0 24px 70px rgba(0,0,0,.45);
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
}

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

button, input { font: inherit; }

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: .06;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    #fff 4px
  );
}

.hud {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 64px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  background: rgba(3, 10, 15, .78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: "Press Start 2P", monospace;
  color: var(--lime);
  font-size: 16px;
}

.brand span { color: var(--cyan); }

.hud nav {
  display: flex;
  gap: 20px;
}

.hud nav a {
  color: #c6d4d5;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hud nav a:hover { color: var(--cyan); }

.hud-stats {
  display: flex;
  gap: 14px;
  font-family: "Press Start 2P", monospace;
  font-size: 9px;
  color: var(--muted);
}

.hud-stats b { color: var(--lime); }

.start-screen,
.section {
  min-height: 100vh;
  scroll-snap-align: start;
  position: relative;
}

.start-screen {
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 30%, rgba(69,244,232,.12), transparent 35%),
    linear-gradient(#07151f, #071018);
}

.start-card {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 40px 30px;
  max-width: 760px;
  animation: float 4s ease-in-out infinite;
}

.pixel-label, .level {
  font-family: "Press Start 2P", monospace;
  font-size: 9px;
  color: var(--orange);
  letter-spacing: .12em;
}

.start-card h1 {
  font-family: "Press Start 2P", monospace;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.28;
  margin: 24px 0 18px;
  text-shadow: 0 0 30px rgba(69,244,232,.18);
}

.start-card h1 span {
  color: var(--cyan);
  text-shadow: 5px 5px 0 rgba(255,79,163,.45);
}

.start-subtitle {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 30px;
}

.game-btn {
  border: 2px solid var(--lime);
  background: var(--lime);
  color: #06100b;
  padding: 17px 28px;
  font-family: "Press Start 2P", monospace;
  font-size: 11px;
  cursor: pointer;
  box-shadow: 8px 8px 0 rgba(69,244,232,.22);
  transition: .2s ease;
}

.game-btn:hover {
  transform: translate(-3px,-3px);
  box-shadow: 11px 11px 0 rgba(69,244,232,.25);
}

.controls {
  color: #738688;
  font-size: 11px;
  margin-top: 22px;
}

.start-footer {
  position: absolute;
  bottom: 30px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 30px;
  color: #567072;
  font-family: "Press Start 2P", monospace;
  font-size: 8px;
}

.city {
  position: absolute;
  bottom: 17%;
  width: 120%;
  height: 37%;
  left: -10%;
  background-repeat: repeat-x;
  opacity: .65;
}

.city-back {
  background:
    linear-gradient(to top, #071018 0 4%, transparent 4%),
    repeating-linear-gradient(90deg,
      #102630 0 55px,
      #0c2028 55px 105px,
      #142f38 105px 165px,
      #091b25 165px 210px);
  clip-path: polygon(0 35%, 4% 35%, 4% 22%, 8% 22%, 8% 45%, 13% 45%, 13% 10%, 18% 10%, 18% 34%, 23% 34%, 23% 0, 29% 0, 29% 31%, 35% 31%, 35% 14%, 40% 14%, 40% 38%, 46% 38%, 46% 5%, 51% 5%, 51% 29%, 58% 29%, 58% 11%, 64% 11%, 64% 36%, 70% 36%, 70% 4%, 77% 4%, 77% 31%, 83% 31%, 83% 16%, 90% 16%, 90% 40%, 96% 40%, 96% 8%, 100% 8%, 100% 100%, 0 100%);
  filter: blur(.3px);
}

.city-mid {
  bottom: 12%;
  height: 26%;
  opacity: .9;
  background: repeating-linear-gradient(90deg, #102a31 0 75px, #0b2028 75px 150px);
  clip-path: polygon(0 45%, 8% 45%, 8% 20%, 14% 20%, 14% 52%, 22% 52%, 22% 5%, 29% 5%, 29% 42%, 38% 42%, 38% 18%, 46% 18%, 46% 48%, 54% 48%, 54% 9%, 62% 9%, 62% 42%, 70% 42%, 70% 22%, 77% 22%, 77% 49%, 85% 49%, 85% 3%, 92% 3%, 92% 43%, 100% 43%, 100% 100%, 0 100%);
}

.track {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 18%;
  background:
    repeating-linear-gradient(90deg, transparent 0 70px, rgba(255,255,255,.08) 70px 74px),
    linear-gradient(105deg, transparent 0 46%, #1e343b 46% 47%, transparent 47% 52%, #1e343b 52% 53%, transparent 53%);
  border-top: 4px solid #263c41;
  transform: perspective(400px) rotateX(55deg);
  transform-origin: bottom;
  animation: tracks 1s linear infinite;
}

.train {
  position: absolute;
  z-index: 2;
  bottom: 16%;
  width: 260px;
  height: 72px;
  padding: 24px;
  border: 3px solid #304a51;
  background: linear-gradient(#d7dfe0, #5a6e72);
  color: #091318;
  font-family: "Press Start 2P", monospace;
  font-size: 9px;
  box-shadow: 0 12px 30px rgba(0,0,0,.5);
}

.train span {
  float: right;
  color: #ef475c;
}

.train-left { left: -300px; animation: trainLeft 13s linear infinite; }
.train-right { right: -300px; bottom: 28%; animation: trainRight 18s linear infinite; }

.floating-coin {
  position: absolute;
  z-index: 5;
  font-size: 27px;
  filter: drop-shadow(0 0 12px rgba(255,159,67,.5));
  animation: coinFloat 3s ease-in-out infinite;
}

.coin-a { left: 24%; top: 30%; }
.coin-b { right: 25%; top: 24%; animation-delay: 1s; }
.coin-c { right: 17%; bottom: 27%; animation-delay: 2s; }

.hero {
  padding: 120px 7vw 60px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 85% 50%, rgba(201,255,87,.08), transparent 30%),
    linear-gradient(180deg, #08141c, #071018);
}

.hero-grid {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: center;
  gap: 60px;
}

.eyebrow {
  color: var(--cyan);
  font-family: "Press Start 2P", monospace;
  font-size: 8px;
  letter-spacing: .12em;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--lime);
  margin-right: 8px;
}

.role {
  margin: 24px 0 10px;
  color: var(--orange);
  font-family: "Press Start 2P", monospace;
  font-size: 9px;
  letter-spacing: .08em;
}

.hero-copy h2 {
  margin: 0;
  font-size: clamp(38px, 5.5vw, 76px);
  line-height: .98;
  letter-spacing: -.05em;
}

.hero-copy h2 span { color: var(--cyan); }

.hero-copy h3 {
  margin: 22px 0 18px;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.35;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  padding: 13px 18px;
  border: 1px solid var(--line);
  font-weight: 800;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  transition: .2s ease;
}

.btn.primary {
  background: var(--lime);
  color: #071018;
  border-color: var(--lime);
}

.btn.ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.avatar-wrap {
  position: relative;
  width: min(420px, 80vw);
  aspect-ratio: 1;
  justify-self: center;
}

.avatar-glow {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69,244,232,.25), transparent 65%);
  filter: blur(20px);
  animation: pulse 3s ease-in-out infinite;
}

.avatar-frame {
  position: absolute;
  inset: 11%;
  overflow: hidden;
  border: 2px solid var(--cyan);
  background: #152a31;
  box-shadow: 0 0 0 10px rgba(69,244,232,.05), 0 0 60px rgba(69,244,232,.16);
  clip-path: polygon(8% 0, 92% 0, 100% 8%, 100% 92%, 92% 100%, 8% 100%, 0 92%, 0 8%);
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge {
  position: absolute;
  z-index: 3;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: rgba(6, 18, 25, .88);
  font-family: "Press Start 2P", monospace;
  font-size: 7px;
  box-shadow: 8px 8px 0 rgba(0,0,0,.2);
}

.badge-one { left: 0; top: 20%; color: var(--cyan); }
.badge-two { right: 0; top: 56%; color: var(--orange); }
.badge-three { left: 12%; bottom: 3%; color: var(--lime); }

.section {
  padding: 120px 7vw 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-heading {
  width: min(1180px, 100%);
  margin: 0 auto 42px;
}

.section-heading h2 {
  font-size: clamp(38px, 5vw, 62px);
  margin: 13px 0 8px;
  letter-spacing: -.04em;
}

.section-heading p { color: var(--muted); margin: 0; }

.about-grid,
.ai-lab-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.terminal-card, .info-card, .skill-card, .project-card, .ai-terminal, .ai-map, .leadership-card, .contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.terminal-top {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  background: rgba(255,255,255,.035);
  border-bottom: 1px solid var(--line);
  color: #799092;
  font-family: monospace;
  font-size: 11px;
}

.terminal-top > span:not(.live) {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #667;
}

.terminal-top b { margin-left: 8px; font-weight: 500; }

.terminal-body {
  padding: 24px;
  font-family: monospace;
  line-height: 1.65;
  color: #a7c7c7;
}

.terminal-output { color: var(--lime); }

.prompt { color: var(--cyan); }

.info-card {
  padding: 32px;
}

.card-icon, .skill-icon {
  font-size: 34px;
}

.info-card h3, .skill-card h3 {
  font-size: 25px;
  margin: 12px 0;
}

.info-card p {
  color: var(--muted);
  line-height: 1.75;
}

.mini-stats {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.mini-stats div {
  flex: 1;
  border: 1px solid var(--line);
  padding: 15px;
}

.mini-stats strong {
  display: block;
  font-size: 27px;
  color: var(--cyan);
}

.mini-stats span {
  color: #77898b;
  font-size: 10px;
  text-transform: uppercase;
}

.city-section {
  background:
    linear-gradient(rgba(7,16,24,.88), rgba(7,16,24,.96)),
    repeating-linear-gradient(90deg, #10262e 0 80px, #0a1c24 80px 160px);
}

.skill-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skill-card {
  padding: 25px;
  min-height: 230px;
  transition: .25s ease;
}

.skill-card:hover, .project-card:hover {
  transform: translateY(-7px);
  border-color: rgba(69,244,232,.45);
}

.featured-skill {
  background: linear-gradient(145deg, rgba(69,244,232,.08), rgba(201,255,87,.03));
}

.chips, .project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chips span, .project-tags span {
  border: 1px solid rgba(255,255,255,.11);
  padding: 6px 8px;
  color: #b5c7c8;
  font-size: 10px;
  background: rgba(255,255,255,.025);
}

.project-filter {
  width: min(1180px, 100%);
  margin: 0 auto 22px;
  display: flex;
  gap: 8px;
}

.filter {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 9px 13px;
  cursor: pointer;
  font-family: "Press Start 2P", monospace;
  font-size: 7px;
}

.filter.active, .filter:hover {
  background: var(--cyan);
  color: #071018;
  border-color: var(--cyan);
}

.project-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.project-card {
  padding: 22px;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  transition: .25s ease;
}

.project-card.hidden { display: none; }

.project-top {
  display: flex;
  justify-content: space-between;
  color: #687e81;
  font-family: "Press Start 2P", monospace;
  font-size: 7px;
}

.project-number { color: var(--orange); }

.project-card h3 {
  font-size: 23px;
  margin: 26px 0 12px;
}

.project-card p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 13px;
  flex: 1;
}

.project-card a {
  margin-top: 18px;
  color: var(--cyan);
  font-family: "Press Start 2P", monospace;
  font-size: 8px;
}

.project-card a:hover { color: var(--lime); }

.project-status {
  display: inline-block;
  width: fit-content;
  margin-top: 18px;
  color: var(--orange);
  border: 1px solid rgba(255,159,67,.35);
  padding: 7px 9px;
  font-family: "Press Start 2P", monospace;
  font-size: 7px;
}

.ai-section {
  background:
    radial-gradient(circle at 20% 20%, rgba(255,79,163,.08), transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(69,244,232,.09), transparent 35%);
}

.ai-terminal {
  overflow: hidden;
}

.ai-terminal .live {
  margin-left: auto;
  color: var(--lime);
  font-size: 7px;
}

.ai-output {
  min-height: 330px;
  max-height: 330px;
  overflow: auto;
  padding: 20px;
  background: #050c11;
}

.ai-message {
  max-width: 88%;
  padding: 12px 14px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  line-height: 1.55;
  font-size: 13px;
}

.ai-message.system { color: #b8d4d4; }
.ai-message.user {
  margin-left: auto;
  border-color: rgba(201,255,87,.3);
  color: var(--lime);
}
.ai-message.bot { color: var(--cyan); }

.ai-input-row {
  display: flex;
  padding: 12px;
  gap: 8px;
  border-top: 1px solid var(--line);
}

.ai-input-row input {
  min-width: 0;
  flex: 1;
  border: 1px solid var(--line);
  background: #09151c;
  color: var(--text);
  padding: 12px;
  outline: none;
}

.ai-input-row input:focus { border-color: var(--cyan); }

.ai-input-row button {
  border: 0;
  background: var(--lime);
  color: #071018;
  padding: 0 15px;
  font-family: "Press Start 2P", monospace;
  font-size: 8px;
  cursor: pointer;
}

.quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0 12px 12px;
}

.quick-prompts button {
  border: 1px solid rgba(255,255,255,.1);
  background: transparent;
  color: #91a5a6;
  padding: 7px 9px;
  font-size: 10px;
  cursor: pointer;
}

.quick-prompts button:hover { color: var(--cyan); border-color: var(--cyan); }

.demo-note {
  margin: 0;
  padding: 12px;
  color: #627678;
  font-size: 10px;
  border-top: 1px solid rgba(255,255,255,.06);
}

.ai-map {
  padding: 30px;
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: #557074;
  margin-bottom: 45px;
}

.node {
  padding: 9px 11px;
  border: 1px solid var(--line);
  font-family: "Press Start 2P", monospace;
  font-size: 7px;
}

.node.active {
  color: var(--lime);
  border-color: rgba(201,255,87,.35);
}

.ai-map h3 { font-size: 24px; }

.ai-map ul {
  list-style: none;
  padding: 0;
  margin: 25px 0 0;
}

.ai-map li {
  padding: 13px 0;
  border-bottom: 1px dashed rgba(255,255,255,.08);
  color: var(--muted);
}

.ai-map li span {
  color: var(--orange);
  font-family: "Press Start 2P", monospace;
  font-size: 8px;
  margin-right: 12px;
}

.leadership-card {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 38px;
  display: flex;
  gap: 28px;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(255,159,67,.07), rgba(69,244,232,.03)),
    var(--panel);
}

.odyssey-mark {
  min-width: 90px;
  height: 90px;
  display: grid;
  place-items: center;
  border: 2px solid var(--orange);
  color: var(--orange);
  font-family: "Press Start 2P", monospace;
  font-size: 35px;
  transform: rotate(-3deg);
}

.leadership-card h3 { font-size: 28px; margin: 8px 0 12px; }
.leadership-card p { color: var(--muted); line-height: 1.75; }
.leadership-card a { color: var(--orange); font-family: "Press Start 2P", monospace; font-size: 8px; }

.contact-section {
  min-height: 75vh;
  background:
    radial-gradient(circle at 50% 40%, rgba(69,244,232,.12), transparent 32%),
    #071018;
}

.contact-card {
  width: min(850px, 100%);
  margin: auto;
  padding: 60px 35px;
  text-align: center;
}

.contact-card h2 {
  font-size: clamp(38px, 6vw, 70px);
  margin: 18px 0 10px;
}

.contact-card p { color: var(--muted); }

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

footer {
  text-align: center;
  color: #526568;
  font-size: 11px;
  margin-top: auto;
}

.top-btn {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  width: 44px;
  height: 44px;
  border: 1px solid var(--cyan);
  background: rgba(5,15,20,.85);
  color: var(--cyan);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: .2s;
}

.top-btn.show { opacity: 1; pointer-events: auto; }

@keyframes tracks {
  from { background-position: 0 0; }
  to { background-position: -150px 0; }
}

@keyframes trainLeft {
  from { transform: translateX(0); }
  to { transform: translateX(calc(100vw + 600px)); }
}

@keyframes trainRight {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-100vw - 600px)); }
}

@keyframes coinFloat {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(180deg); }
}

@keyframes pulse {
  0%,100% { transform: scale(.94); opacity: .65; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (max-width: 1000px) {
  .skill-grid, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .avatar-wrap { width: 330px; }
  .hero-copy { text-align: center; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
}

@media (max-width: 760px) {
  .hud { height: 58px; }
  .hud nav { display: none; }
  .section { padding: 100px 5vw 60px; }
  .about-grid, .ai-lab-grid { grid-template-columns: 1fr; }
  .skill-grid, .project-grid { grid-template-columns: 1fr; }
  .start-card h1 { font-size: 31px; }
  .start-footer { gap: 10px; font-size: 6px; }
  .hero-copy h2 { font-size: 45px; }
  .hero-copy h3 { font-size: 18px; }
  .avatar-wrap { width: 290px; }
  .badge { font-size: 6px; }
  .leadership-card { flex-direction: column; text-align: center; }
  .pipeline { font-size: 8px; }
  .train { display: none; }
}