:root {
  --bg: #030712;
  --bg-soft: rgba(5, 14, 30, 0.7);
  --text: #dbe7ff;
  --muted: #9fb4d9;
  --accent: #63b3ff;
  --accent-2: #32ffd6;
  --card-border: rgba(99, 179, 255, 0.2);
  --glow: 0 0 16px rgba(99, 179, 255, 0.5);
  --radius: 14px;
  --danger: #ff6d8f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  --mx: 50%;
  --my: 50%;
  font-family: "Bahnschrift", "Segoe UI", "Consolas", sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(46, 99, 168, 0.2), transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(50, 255, 214, 0.15), transparent 35%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(80, 164, 255, 0.12), transparent 32%),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.025) 0,
      rgba(255, 255, 255, 0.025) 1px,
      transparent 1px,
      transparent 4px
    );
}

#scene-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(2, 8, 20, 0.45);
  border-bottom: 1px solid rgba(99, 179, 255, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
  text-shadow: var(--glow);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  transition: color 180ms ease;
  background: transparent;
  border: 0;
  font: inherit;
  cursor: pointer;
  padding: 0;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--accent-2);
}

.nav-link.is-active {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(99, 179, 255, 0.35);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle::after {
  content: " \25BE";
  font-size: 0.75rem;
  color: var(--accent);
}

.nav-dropdown-menu {
  position: absolute;
  top: 140%;
  right: 0;
  min-width: 210px;
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  border: 1px solid rgba(99, 179, 255, 0.22);
  border-radius: 10px;
  background: rgba(3, 12, 24, 0.95);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.38);
}

.nav-dropdown-menu[hidden] {
  display: none;
}

.nav-dropdown-link {
  display: block;
  text-decoration: none;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font-size: 0.9rem;
}

.nav-dropdown-link:hover,
.nav-dropdown-link:focus-visible {
  border-color: rgba(99, 179, 255, 0.28);
  color: var(--accent-2);
}

.section {
  padding: 4.5rem 0;
}

.hero {
  padding-top: 8rem;
  padding-bottom: 6rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin: 0 0 0.8rem;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  margin-bottom: 0.4rem;
  letter-spacing: 0.08em;
}

.tagline {
  margin: 0.2rem 0 0.8rem;
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
  color: var(--accent);
  letter-spacing: 0.06em;
}

.lead {
  max-width: 60ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.glow {
  text-shadow:
    0 0 12px rgba(99, 179, 255, 0.45),
    0 0 26px rgba(99, 179, 255, 0.2);
}

.card {
  background: linear-gradient(160deg, rgba(6, 18, 38, 0.75), rgba(4, 10, 22, 0.7));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: clamp(1rem, 2.2vw, 2rem);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.35);
}

.mission-log-wrap {
  margin-top: 1.2rem;
}

.mission-log {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  border: 1px solid rgba(99, 179, 255, 0.2);
  border-radius: 10px;
  background: rgba(2, 10, 20, 0.6);
  min-height: 120px;
}

.mission-log li {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.9rem;
}

.mission-log li::before {
  content: ">";
  color: var(--accent-2);
  margin-right: 0.5rem;
}

.skills-intro {
  color: var(--muted);
  margin: 0.4rem 0 1rem;
}

.terminal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.terminal-card {
  border: 1px solid rgba(99, 179, 255, 0.22);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  background: linear-gradient(165deg, rgba(4, 14, 28, 0.9), rgba(8, 20, 40, 0.75));
  box-shadow: inset 0 1px 0 rgba(99, 179, 255, 0.12);
}

.term-head {
  margin: 0 0 0.4rem;
  color: var(--accent-2);
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.84rem;
  word-break: break-word;
}

.term-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.project-item {
  border: 1px solid rgba(99, 179, 255, 0.15);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  background: rgba(8, 20, 42, 0.45);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.btn {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.64rem 1.1rem;
  border: 1px solid rgba(99, 179, 255, 0.55);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  background: linear-gradient(135deg, rgba(24, 82, 150, 0.35), rgba(20, 26, 50, 0.2));
  transition: transform 180ms ease, border-color 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent-2);
}

.btn-ghost {
  background: rgba(8, 24, 48, 0.35);
}

.project-tag {
  margin: 0 0 0.4rem;
  color: var(--accent-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.site-footer {
  border-top: 1px solid rgba(99, 179, 255, 0.15);
  padding: 1.2rem 0 2rem;
  color: var(--muted);
  background: rgba(2, 8, 20, 0.35);
}

kbd {
  border: 1px solid rgba(99, 179, 255, 0.45);
  border-radius: 6px;
  padding: 0.06rem 0.35rem;
  font-family: "Consolas", monospace;
  color: var(--accent-2);
}

.command-palette {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(2, 6, 15, 0.74);
  display: grid;
  place-items: start center;
  padding-top: 14vh;
}

.command-palette[hidden] {
  display: none;
}

.command-shell {
  width: min(680px, 92vw);
  border: 1px solid rgba(99, 179, 255, 0.35);
  border-radius: 12px;
  background: rgba(3, 12, 24, 0.95);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
  padding: 1rem;
}

.command-shell h2 {
  font-size: 1rem;
  margin-bottom: 0.65rem;
}

.command-input {
  width: 100%;
  border: 1px solid rgba(99, 179, 255, 0.35);
  border-radius: 8px;
  background: rgba(2, 10, 20, 0.85);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

.command-results {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
}

.command-results button {
  width: 100%;
  text-align: left;
  margin-bottom: 0.34rem;
  border: 1px solid rgba(99, 179, 255, 0.2);
  border-radius: 8px;
  background: rgba(8, 20, 42, 0.5);
  color: var(--text);
  padding: 0.5rem 0.65rem;
  cursor: pointer;
}

.command-results button:hover,
.command-results button:focus-visible {
  border-color: var(--accent-2);
}

.reaction-page {
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.reaction-page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 12% 20%, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    radial-gradient(circle at 68% 36%, rgba(99, 179, 255, 0.35) 1px, transparent 1px),
    radial-gradient(circle at 40% 82%, rgba(50, 255, 214, 0.3) 1px, transparent 1px);
  background-size: 180px 180px, 240px 240px, 320px 320px;
  animation: star-drift 34s linear infinite;
}

@keyframes star-drift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-16px);
  }
}

.reaction-main {
  width: min(820px, 96vw);
}

.reaction-panel {
  margin: 3.5rem auto;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--accent-2);
}

.reaction-instructions {
  color: var(--muted);
  margin-bottom: 1rem;
}

.reaction-signal {
  position: relative;
  min-height: 190px;
  border-radius: 14px;
  border: 1px solid rgba(99, 179, 255, 0.28);
  background: linear-gradient(165deg, rgba(8, 16, 32, 0.95), rgba(8, 18, 32, 0.78));
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
  transition: border-color 180ms ease, box-shadow 220ms ease, transform 180ms ease, background 240ms ease;
}

.reaction-signal p {
  margin: 0;
  font-size: clamp(1.05rem, 3.2vw, 1.35rem);
}

.reaction-signal:focus-visible {
  outline: 2px solid rgba(50, 255, 214, 0.65);
  outline-offset: 3px;
}

.reaction-signal.is-idle {
  border-color: rgba(99, 179, 255, 0.3);
}

.reaction-signal.is-waiting {
  border-color: rgba(255, 109, 143, 0.7);
  box-shadow: 0 0 0 0 rgba(255, 109, 143, 0.45);
  animation: waiting-pulse 1.2s ease-in-out infinite;
}

.reaction-signal.is-ready {
  background: linear-gradient(160deg, rgba(10, 52, 40, 0.98), rgba(10, 42, 30, 0.8));
  border-color: rgba(50, 255, 214, 0.9);
  box-shadow: 0 0 26px rgba(50, 255, 214, 0.35);
}

.reaction-signal.is-result {
  border-color: rgba(99, 179, 255, 0.65);
}

.reaction-signal.is-early {
  background: linear-gradient(160deg, rgba(52, 12, 24, 0.98), rgba(35, 8, 14, 0.85));
  border-color: rgba(255, 109, 143, 0.9);
}

.reaction-signal.signal-burst::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  border: 1px solid rgba(50, 255, 214, 0.8);
  animation: burst-ring 360ms ease-out;
}

@keyframes waiting-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 109, 143, 0.18);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 109, 143, 0);
  }
}

@keyframes burst-ring {
  from {
    opacity: 1;
    transform: scale(0.5);
  }
  to {
    opacity: 0;
    transform: scale(1.08);
  }
}

.reaction-status {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.reaction-stats {
  margin: 1.1rem 0 0;
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(99, 179, 255, 0.2);
  background: rgba(2, 10, 20, 0.6);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  padding: 0.28rem 0;
}

.stat-row dt {
  margin: 0;
}

.stat-row dd {
  margin: 0;
  color: var(--accent-2);
  font-family: "Consolas", "Courier New", monospace;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.6rem 0;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-dropdown-menu {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .terminal-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.2rem 0;
  }

  .reaction-panel {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
  }

}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .command-palette,
  .reaction-page::after,
  .reaction-signal.is-waiting,
  .reaction-signal.signal-burst::after {
    animation: none !important;
  }
}