:root {
  --bg: #b7c9d7;
  --bg-2: #ced8e2;
  --glow-1: #94b7d2;
  --glow-2: #93c9c3;
  --ink: #081018;
  --muted: rgba(8, 16, 24, 0.74);
  --text-soft: rgba(8, 16, 24, 0.8);
  --accent: #066d66;
  --accent-2: #08524c;
  --card: rgba(214, 226, 236, 0.88);
  --border: rgba(6, 109, 102, 0.26);
  --border-tech: rgba(6, 109, 102, 0.46);
  --shadow: 0 26px 60px rgba(5, 16, 24, 0.2);
  --neon: #066d66;
  --neon-2: #4ab3e3;
  --panel: rgba(202, 216, 227, 0.9);
  --panel-strong: rgba(202, 216, 227, 0.97);
  --terminal-text: #081018;
  --terminal-muted: rgba(8, 16, 24, 0.7);
  --marquee-bg: rgba(202, 216, 227, 0.9);
  --timeline-bg: rgba(202, 216, 227, 0.95);
  --timeline-border: rgba(6, 109, 102, 0.32);
  --scanline-opacity: 0.18;
  --grid-opacity: 0.28;
  --noise-opacity: 0.24;
}

[data-theme="dark"] {
  --bg: #070b14;
  --bg-2: #0b1220;
  --glow-1: #0b1f2c;
  --glow-2: #0b2b26;
  --ink: #e7f7ff;
  --muted: rgba(231, 247, 255, 0.65);
  --text-soft: rgba(231, 247, 255, 0.7);
  --card: rgba(12, 16, 24, 0.92);
  --border: rgba(40, 240, 213, 0.2);
  --border-tech: rgba(40, 240, 213, 0.35);
  --shadow: 0 22px 70px rgba(3, 6, 12, 0.7);
  --panel: rgba(7, 11, 20, 0.8);
  --panel-strong: rgba(7, 11, 20, 0.92);
  --terminal-text: #e7f7ff;
  --terminal-muted: rgba(231, 247, 255, 0.7);
  --marquee-bg: rgba(7, 11, 20, 0.65);
  --timeline-bg: rgba(7, 11, 20, 0.85);
  --timeline-border: rgba(40, 240, 213, 0.2);
  --scanline-opacity: 0.35;
  --grid-opacity: 0.35;
  --noise-opacity: 0.4;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 15%, var(--glow-1) 0%, transparent 45%),
    radial-gradient(circle at 85% 10%, var(--glow-2) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  mix-blend-mode: multiply;
  opacity: var(--noise-opacity);
  z-index: 1;
}

.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.06) 0,
    rgba(0, 0, 0, 0.06) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  opacity: var(--scanline-opacity);
  mix-blend-mode: multiply;
  z-index: 2;
}

.tech-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(transparent 0 38px, rgba(26, 26, 26, 0.08) 38px 39px),
    linear-gradient(90deg, transparent 0 38px, rgba(26, 26, 26, 0.08) 38px 39px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.35), transparent 70%);
  pointer-events: none;
  opacity: var(--grid-opacity);
  z-index: 0;
}

.cursor-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(40, 240, 213, 0.35), transparent 70%);
  filter: blur(10px);
  transform: translate(-50%, -50%);
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.7;
  z-index: 2;
  transition: opacity 0.3s ease;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px 80px;
  position: relative;
  z-index: 4;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 60px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  font-size: 14px;
}

.logo span {
  display: inline-block;
  padding: 6px 10px;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(240, 90, 40, 0.4);
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  margin-left: 0;
}

nav a:hover {
  color: var(--accent);
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.theme-toggle {
  border-radius: 999px;
  border: 1px solid var(--border-tech);
  background: transparent;
  color: var(--neon);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 14px;
  font-family: "Space Mono", "Courier New", monospace;
  cursor: pointer;
}

.status-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-tech);
  background: var(--panel);
  box-shadow: 0 14px 30px rgba(10, 12, 20, 0.25);
  backdrop-filter: blur(12px);
  margin-bottom: 38px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  font-family: "Space Mono", "Courier New", monospace;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 12px rgba(40, 240, 213, 0.7);
  animation: pulse 1.8s ease-in-out infinite;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
  gap: 32px;
  margin-bottom: 64px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  background: linear-gradient(120deg, var(--neon), var(--neon-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-family: "Literata", "Times New Roman", serif;
  font-size: 18px;
  color: var(--muted);
  margin-top: 16px;
}

.hero .cta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.terminal {
  margin-top: 26px;
  background: var(--panel-strong);
  border-radius: 18px;
  padding: 16px 18px 14px;
  border: 1px solid rgba(40, 240, 213, 0.4);
  box-shadow: 0 20px 40px rgba(10, 12, 20, 0.35);
  position: relative;
  overflow: hidden;
}

.terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 35%, rgba(40, 240, 213, 0.15), transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}

.terminal-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  color: var(--terminal-muted);
  margin-bottom: 8px;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-2);
  box-shadow: 0 0 10px rgba(255, 225, 122, 0.8);
}

.terminal pre {
  font-family: "Space Mono", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.55;
  color: var(--terminal-text);
  white-space: pre-wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-family: "Space Mono", "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn.primary {
  background: var(--panel-strong);
  color: var(--neon);
  border-color: rgba(40, 240, 213, 0.6);
  box-shadow: 0 14px 30px rgba(10, 12, 20, 0.35);
}

.btn.secondary {
  background: transparent;
  color: var(--neon);
  border-color: rgba(40, 240, 213, 0.6);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.12);
}

.hero-card {
  background: var(--panel-strong);
  border-radius: 28px;
  padding: 28px;
  border: 1px solid var(--border-tech);
  box-shadow: 0 20px 50px rgba(5, 9, 16, 0.45);
  position: relative;
  overflow: hidden;
}

.holo-card {
  transform-style: preserve-3d;
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
  background-image:
    radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(124, 227, 255, 0.2), transparent 55%);
  background-repeat: no-repeat;
  background-size: 140% 140%;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: -50% 60% auto auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(31, 139, 123, 0.5), transparent 70%);
  border-radius: 50%;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 20px;
  border: 1px solid rgba(40, 240, 213, 0.25);
  pointer-events: none;
}

.hero-card h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.hero-card ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-soft);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px rgba(40, 240, 213, 0.7);
}

.marquee {
  position: relative;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--marquee-bg);
  padding: 12px 0;
  margin-bottom: 64px;
}

.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
}

.marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-2), transparent);
}

.marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-2), transparent);
}

.marquee-track {
  display: flex;
  gap: 36px;
  width: max-content;
  animation: scroll 18s linear infinite;
  padding-left: 20px;
}

.marquee-track span {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-shadow: 0 0 14px rgba(40, 240, 213, 0.4);
}

section {
  margin-top: 70px;
}

section h3 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  font-family: "Space Mono", "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.spec-panel {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}


.spec-head p {
  color: var(--text-soft);
  max-width: 520px;
  margin-top: 8px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.spec-card {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--border-tech);
  background: var(--panel);
  box-shadow: 0 18px 36px rgba(5, 9, 16, 0.35);
  display: grid;
  gap: 8px;
}

.spec-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--text-soft);
  font-family: "Space Mono", "Courier New", monospace;
}

.spec-value {
  font-size: 22px;
  color: var(--neon);
}

.spec-sub {
  font-size: 13px;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}


.card {
  padding: 22px;
  border-radius: 20px;
  background: var(--panel-strong);
  border: 1px solid var(--border-tech);
  box-shadow: 0 18px 36px rgba(5, 9, 16, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 32px rgba(17, 17, 17, 0.15);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(40, 240, 213, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.card:hover::after {
  opacity: 1;
}

.card h4 {
  font-size: 18px;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.5;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.muted {
  color: var(--muted);
}

.tag {
  padding: 6px 12px;
  border-radius: 999px;
  background: transparent;
  color: var(--neon);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(40, 240, 213, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-family: "Space Mono", "Courier New", monospace;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--border-tech);
  box-shadow: 0 18px 36px rgba(5, 9, 16, 0.35);
  position: relative;
  overflow: hidden;
}

.timeline-item::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 14px;
  border: 1px solid rgba(40, 240, 213, 0.25);
  pointer-events: none;
}

.timeline-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(40, 240, 213, 0.12), transparent 60%);
  opacity: 0.45;
  pointer-events: none;
}

.timeline-item span {
  font-size: 12px;
  color: var(--neon);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: "Space Mono", "Courier New", monospace;
}

.timeline-item strong {
  color: var(--ink);
}

.timeline-item p {
  color: var(--text-soft);
}

.contact {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: 26px;
  background: var(--panel-strong);
  border: 1px solid var(--border-tech);
  position: relative;
  overflow: hidden;
}

.contact::after {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 225, 122, 0.5), transparent 70%);
  border-radius: 50%;
}

.contact p {
  color: var(--text-soft);
}

.contact .btn.secondary {
  color: var(--ink);
  border-color: rgba(231, 247, 255, 0.4);
}

footer {
  margin-top: 70px;
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-tech);
  background: var(--panel-strong);
  color: var(--neon);
  text-decoration: none;
  font-family: "Space Mono", "Courier New", monospace;
  letter-spacing: 0.08em;
  box-shadow: 0 14px 30px rgba(5, 9, 16, 0.4);
  z-index: 5;
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.25s ease, opacity 0.25s ease, box-shadow 0.25s ease;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(5, 9, 16, 0.5);
}

.back-to-top:active {
  transform: translateY(-1px) scale(0.98);
}

.back-to-top.is-hidden {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
  animation-delay: 0.15s;
}

.delay-2 {
  animation-delay: 0.3s;
}

.delay-3 {
  animation-delay: 0.45s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.6;
  }
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 780px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  nav a {
    margin-left: 0;
  }

  .marquee-track {
    animation-duration: 22s;
  }

  .status-bar {
    border-radius: 18px;
  }
}

@media (max-width: 900px) {
  .page {
    padding: 48px 20px 64px;
  }

  header {
    margin-bottom: 44px;
  }

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

  .hero h1 {
    font-size: clamp(34px, 7vw, 48px);
  }

  .hero-card {
    margin-top: 8px;
  }

  .status-bar {
    gap: 8px;
  }

  .spec-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

}

@media (max-width: 600px) {
  .page {
    padding: 40px 16px 56px;
  }

  header {
    margin-bottom: 36px;
  }

  .logo {
    font-size: 12px;
  }

  .logo span {
    padding: 4px 8px;
  }

  nav {
    width: 100%;
    gap: 8px;
  }

  nav a {
    flex: 1 1 calc(50% - 8px);
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-tech);
    background: var(--panel);
    text-align: center;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: "Space Mono", "Courier New", monospace;
  }

  .theme-toggle {
    padding: 6px 10px;
    font-size: 10px;
    width: 100%;
  }

  .status-bar {
    flex-direction: column;
    align-items: flex-start;
    border-radius: 16px;
    padding: 10px 12px;
  }

  .status-pill {
    font-size: 11px;
    letter-spacing: 0.1em;
  }

  .hero p {
    font-size: 16px;
  }

  .hero .cta {
    width: 100%;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .contact .cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .terminal {
    padding: 14px 14px 12px;
  }

  .terminal pre {
    font-size: 12px;
  }

  .marquee {
    margin-bottom: 42px;
  }

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

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

  .timeline-item {
    padding: 16px 16px;
  }

  .contact {
    padding: 22px;
  }

  .cursor-glow {
    width: 260px;
    height: 260px;
  }


  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }

}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-card {
    padding: 22px;
  }

  .card {
    padding: 20px;
  }

  .spec-card {
    padding: 16px;
  }

  .theme-toggle {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .marquee-track {
    animation: none;
  }

  .cursor-glow {
    display: none;
  }

  .status-dot {
    animation: none;
  }
}