:root {
  --color-background: #0b0f0c;
  --color-surface: #121a13;
  --color-surface-alt: rgba(18, 26, 19, 0.82);
  --color-text: #c8d8c5;
  --color-heading: #e4ffe2;
  --color-accent: #00ff00;
  --color-accent-dark: #1b8a1b;
  --color-secondary: #222222;
  --color-outline: rgba(0, 255, 0, 0.7);
  --color-muted: #6c8570;
  --gradient-hero: radial-gradient(
      circle at top,
      rgba(0, 255, 0, 0.3),
      transparent 45%
    ),
    linear-gradient(135deg, #020302, #0b2d0c 45%, #010201);
  --font-body: "Poppins", "Segoe UI", sans-serif;
  --font-heading: "Orbitron", "Poppins", sans-serif;
  --shadow-card: 0 24px 60px rgba(0, 255, 0, 0.08);
  --shadow-card-hover: 0 24px 60px rgba(0, 255, 0, 0.24);
  --transition-base: 180ms ease;
  --max-width: 1100px;
}

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

html {
  font-size: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  border: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover,
a:focus-visible {
  color: #afffaf;
  text-shadow: 0 0 12px rgba(0, 255, 0, 0.6);
}

button {
  font-family: inherit;
  cursor: pointer;
}

button,
input,
select,
textarea {
  color: inherit;
  background-color: transparent;
  border: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(0, 255, 0, 0.15);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  letter-spacing: 0.04em;
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1.25em;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: clamp(3rem, 6vw, 5.5rem) 0;
}

.section__header {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.section__header p {
  max-width: 60ch;
  margin: 0.75rem auto 0;
  color: var(--color-muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-accent), #7cff7c);
  color: #031003;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.button::after {
  content: "";
  position: absolute;
  inset: -20%;
  border-radius: inherit;
  background: radial-gradient(
    circle,
    rgba(0, 255, 0, 0.45) 0%,
    rgba(0, 255, 0, 0.05) 55%,
    transparent 70%
  );
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 255, 0, 0.35);
}

.button:hover::after,
.button:focus-visible::after {
  opacity: 1;
  transform: scale(1);
}

.button-secondary {
  background: rgba(0, 255, 0, 0.08);
  border: 1px solid rgba(0, 255, 0, 0.35);
  color: var(--color-heading);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  box-shadow: 0 10px 32px rgba(0, 255, 0, 0.25);
  color: #dbffdb;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(5, 12, 8, 0.92);
  border-bottom: 1px solid rgba(0, 255, 0, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 40px;
  filter: drop-shadow(0 0 8px rgba(0, 255, 0, 0.4));
}

.brand__title {
  font-size: 1.1rem;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  padding: 0.35rem 0;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after,
.site-nav__link.is-active::after {
  transform: scaleX(1);
}

.site-nav__link.is-active {
  color: #b8ffb8;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(0, 255, 0, 0.4);
  justify-content: center;
  align-items: center;
  position: relative;
  transition: border var(--transition-base), box-shadow var(--transition-base);
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-heading);
  position: absolute;
  transition: transform 200ms ease, opacity 200ms ease;
}

.nav-toggle span {
  transform: translateY(0);
}

.nav-toggle::before {
  transform: translateY(-6px);
}

.nav-toggle::after {
  transform: translateY(6px);
}

.nav-toggle.is-active span {
  opacity: 0;
}

.nav-toggle.is-active::before {
  transform: rotate(45deg);
}

.nav-toggle.is-active::after {
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: clamp(5rem, 8vw, 7rem) 0 clamp(4rem, 7vw, 6rem);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero::before {
  background: radial-gradient(
    circle at center,
    rgba(0, 255, 0, 0.14),
    transparent 55%
  );
}

.hero::after {
  background-image: url("../img/particles.svg");
  opacity: 0.18;
  mix-blend-mode: screen;
  animation: floatParticles 22s linear infinite;
}

.hero__inner {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.hero__tagline {
  margin-bottom: 1rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
}

.hero__title {
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.1;
}

.hero__subtitle {
  max-width: 52ch;
  color: #d8f5d5;
  font-size: 1.05rem;
}

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

.hero__visual {
  position: relative;
  justify-self: center;
}

.hero__visual img {
  width: clamp(180px, 28vw, 260px);
  filter: drop-shadow(0 0 20px rgba(0, 255, 0, 0.35));
}

.hero__glow {
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 255, 0, 0.45),
    rgba(0, 255, 0, 0.02) 65%
  );
  filter: blur(12px);
  opacity: 0.7;
}

.projects-grid,
.alien-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.alien-card {
  background: #121a13;
  border: 1px solid rgba(0, 255, 0, 0.18);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  min-height: 520px;
  gap: 1.25rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.alien-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  background-color: #0b0f0c;
  display: block;
  margin: 0 auto 1rem;
  transition: transform 0.3s ease;
}

.alien-card img:hover {
  transform: scale(1.05);
}

.omnitrix__readout img {
  width: 100%;
  max-width: 280px;
  height: 280px;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  background-color: #0b0f0c;
  display: block;
  margin: 0 auto 1rem;
  transition: transform 0.3s ease;
}

.omnitrix__readout img:hover {
  transform: scale(1.05);
}

.alien-card:focus-within,
.alien-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 255, 0, 0.3);
}

.alien-card__content,
.alien-card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  width: 100%;
  gap: 1rem;
  align-items: center;
}

.alien-card--compact {
  display: grid;
  grid-template-columns: min(120px, 32%) 1fr;
  align-items: center;
  gap: 1.1rem;
  text-align: left;
  min-height: auto;
}

.alien-card--compact .alien-card__content {
  text-align: left;
  align-items: flex-start;
}

.alien-card--compact .alien-card__media {
  justify-content: flex-start;
}

.alien-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.alien-card__subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.alien-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alien-card__label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: rgba(200, 216, 197, 0.65);
}

.power-meter {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(0, 255, 0, 0.15);
  overflow: hidden;
}

.power-meter__fill {
  position: absolute;
  inset: 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(0, 255, 0, 0.6), rgba(0, 255, 0, 1));
  transition: width 260ms ease;
  box-shadow: 0 0 12px rgba(0, 255, 0, 0.45);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2rem;
}

.filters__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filters label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(200, 216, 197, 0.7);
}

.input,
.select {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 0, 0.2);
  background: rgba(10, 18, 12, 0.85);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input:focus-visible,
.select:focus-visible {
  border-color: rgba(0, 255, 0, 0.6);
  box-shadow: 0 0 0 4px rgba(0, 255, 0, 0.2);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 100;
}

.modal.is-visible {
  display: flex;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 3, 0.85);
  backdrop-filter: blur(14px);
}

.modal__dialog {
  position: relative;
  z-index: 1;
  width: min(680px, 95vw);
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(18, 26, 19, 0.95), #0b120c);
  border: 1px solid rgba(0, 255, 0, 0.25);
  padding: clamp(1.5rem, 3vw, 2.75rem);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
  display: grid;
  gap: 1.75rem;
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 12px;
  padding: 0.5rem 0.75rem;
  color: var(--color-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.modal__header {
  display: grid;
  gap: 0.35rem;
}

.modal__body {
  display: grid;
  gap: 1.25rem;
}

.modal__columns {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.modal__media img {
  border-radius: 16px;
  border: 1px solid rgba(0, 255, 0, 0.2);
}

.modal__list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-heading);
}

.modal__list li + li {
  margin-top: 0.4rem;
}

.omnitrix {
  display: grid;
  gap: 2rem;
  justify-items: center;
  text-align: center;
}

.omnitrix__dial {
  width: clamp(220px, 32vw, 320px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  border: 4px solid rgba(0, 255, 0, 0.5);
  background: conic-gradient(
      from 180deg,
      rgba(0, 255, 0, 0.4),
      rgba(0, 255, 0, 0.05),
      rgba(0, 255, 0, 0.4)
    ),
    radial-gradient(circle, rgba(0, 255, 0, 0.35), rgba(0, 0, 0, 0.85));
  box-shadow: 0 0 50px rgba(0, 255, 0, 0.25);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.omnitrix__dial::after,
.omnitrix__dial::before {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 2px solid rgba(0, 255, 0, 0.6);
  background: radial-gradient(
      circle,
      rgba(0, 255, 0, 0.35),
      rgba(0, 255, 0, 0.05) 70%,
      transparent
    ),
    repeating-conic-gradient(
      from 0deg,
      rgba(0, 255, 0, 0.1) 0deg 10deg,
      transparent 10deg 20deg
    );
  filter: blur(0.3px);
}

.omnitrix__dial::before {
  inset: 28%;
  border: 1px solid rgba(0, 255, 0, 0.8);
  background: radial-gradient(circle, rgba(0, 255, 0, 0.55), rgba(0, 0, 0, 0.65));
}

.omnitrix__dial:hover,
.omnitrix__dial:focus-visible {
  transform: scale(1.04);
  box-shadow: 0 0 70px rgba(0, 255, 0, 0.4);
}

.omnitrix__dial.is-spinning {
  animation: spinOmnitrix 1.2s ease-in-out;
}

.omnitrix__readout {
  display: grid;
  gap: 0.75rem;
  justify-items: center;
}

.omnitrix__name {
  font-size: 1.5rem;
}

.timeline {
  position: relative;
  padding-left: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0.5rem;
  width: 2px;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0, 255, 0, 0.4),
    rgba(0, 255, 0, 0.05)
  );
}

.timeline-card {
  position: relative;
  margin-left: 1.5rem;
  padding: 1.75rem;
  border-radius: 18px;
  border: 1px solid rgba(0, 255, 0, 0.16);
  background: rgba(12, 20, 15, 0.92);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  margin-bottom: 1.75rem;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.timeline-card::before {
  content: "";
  position: absolute;
  left: -1.05rem;
  top: 2rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(0, 255, 0, 0.14);
}

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

.timeline-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.timeline-card__year {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: rgba(200, 216, 197, 0.7);
  letter-spacing: 0.12em;
}

.timeline-card__summary {
  margin-bottom: 1.25rem;
}

.timeline-card__aliens {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.timeline-card__alien {
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 14px;
  padding: 0.75rem;
  border: 1px solid rgba(0, 255, 0, 0.12);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.timeline-card__alien:hover,
.timeline-card__alien:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 0, 0.35);
}

.timeline-card__alien img {
  border-radius: 12px;
  margin-bottom: 0.5rem;
}

.footer {
  background: rgba(5, 12, 8, 0.95);
  border-top: 1px solid rgba(0, 255, 0, 0.1);
  padding: clamp(2.5rem, 4vw, 3.5rem) 0;
}

.footer__inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  align-items: start;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 255, 0, 0.25);
  background: rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
  fill: var(--color-heading);
}

.footer__social a:hover,
.footer__social a:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 255, 0, 0.28);
}

.footer__legal {
  color: rgba(200, 216, 197, 0.7);
  font-size: 0.85rem;
  line-height: 1.8;
}

.not-found {
  text-align: center;
  padding: clamp(5rem, 10vw, 7rem) 0;
}

.not-found__icon {
  width: clamp(160px, 24vw, 220px);
  margin: 0 auto 1.5rem;
}

.not-found p {
  color: var(--color-muted);
  margin-bottom: 2.25rem;
}

@keyframes floatParticles {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-60%, -60%, 0);
  }
}

@keyframes spinOmnitrix {
  from {
    transform: scale(1) rotate(0deg);
  }
  45% {
    transform: scale(1.05) rotate(160deg);
  }
  to {
    transform: scale(1) rotate(360deg);
  }
}

@media (max-width: 960px) {
  .site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 76px;
    background: rgba(5, 12, 8, 0.98);
    flex-direction: column;
    padding: 1.5rem 0 3rem;
    transform: translateY(-120%);
    transition: transform 220ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav__list {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .hero__inner {
    text-align: center;
  }

  .hero__cta {
    justify-content: center;
  }

  .alien-card--compact {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .filters {
    flex-direction: column;
    align-items: stretch;
  }

  .filters__group {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .alien-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 0;
  }

  .timeline::before {
    display: none;
  }

  .timeline-card {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .alien-card img {
    height: 200px;
  }

  .omnitrix__readout img {
    height: 200px;
    max-width: 200px;
  }

  .alien-card {
    min-height: auto;
    padding-bottom: 1rem;
  }
}