:root {
  color-scheme: dark;
  --bg-void: #02060a;
  --bg-base: #06131d;
  --surface-1: rgba(175, 232, 255, 0.055);
  --surface-2: rgba(175, 232, 255, 0.09);
  --surface-3: rgba(33, 172, 218, 0.16);
  --line: rgba(181, 235, 255, 0.18);
  --fg-1: #eefbff;
  --fg-2: #b8d7e5;
  --fg-3: #75a9bc;
  --muted: #577280;
  --ink: #031018;
  --amber: #37d7ff;
  --red: #f1f7ff;
  --green: #65f2a9;
  --blue: #33a8ff;
  --glow: 0 0 40px rgba(55, 215, 255, 0.2);
  --radius-s: 6px;
  --radius-m: 8px;
  --radius-pill: 999px;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 72% 12%, rgba(31, 156, 215, 0.18), transparent 28rem),
    radial-gradient(circle at 18% 80%, rgba(101, 242, 169, 0.08), transparent 24rem),
    linear-gradient(120deg, #02060a 0%, #071a27 47%, #02070d 100%);
  color: var(--fg-1);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

#case-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  background: #02070d;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.23;
  background-image:
    repeating-linear-gradient(0deg, rgba(210, 246, 255, 0.025) 0 1px, transparent 1px 3px),
    linear-gradient(90deg, rgba(55, 215, 255, 0.035), transparent 18%, transparent 82%, rgba(101, 242, 169, 0.025)),
    radial-gradient(circle at 50% 50%, transparent, rgba(0, 0, 0, 0.72));
  mix-blend-mode: screen;
}

.topbar {
  position: fixed;
  left: 24px;
  right: 24px;
  top: 18px;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(3, 12, 18, 0.74);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.lang-toggle,
.button,
.case-file,
.tile,
.timeline li,
.case-card,
.contact-card,
.case-modal__panel {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--surface-2), rgba(7, 27, 41, 0.28)),
    repeating-linear-gradient(90deg, rgba(181, 235, 255, 0.028) 0 1px, transparent 1px 13px);
  box-shadow: 0 18px 70px rgba(0, 10, 18, 0.32);
}

.brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 6px 6px;
  border-radius: var(--radius-s);
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle, #f1f7ff 0 18%, transparent 20%),
    conic-gradient(from 90deg, var(--amber), var(--blue), var(--green), var(--amber));
  color: var(--ink);
  font: 700 12px/1 var(--font-mono);
}

.brand strong {
  display: block;
  font: 700 13px/1 var(--font-mono);
  letter-spacing: 0.04em;
}

.brand small {
  color: var(--fg-3);
  font-size: 11px;
}

.nav {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-pill);
}

.nav a,
.lang-toggle span {
  border-radius: var(--radius-pill);
  color: var(--fg-2);
  font-size: 13px;
  padding: 8px 12px;
}

.nav a:hover,
.lang-toggle:hover span:first-child {
  color: var(--fg-1);
  background: rgba(55, 215, 255, 0.13);
}

.lang-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 4px;
  border-radius: var(--radius-pill);
  color: var(--fg-2);
  cursor: pointer;
}

.lang-toggle span:first-child {
  color: var(--ink);
  background: var(--amber);
}

body[data-lang="en"] .lang-toggle span:first-child {
  color: var(--fg-2);
  background: transparent;
}

body[data-lang="en"] .lang-toggle span:last-child {
  color: var(--ink);
  background: var(--amber);
}

main {
  position: relative;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  gap: 36px;
  padding: 150px 6vw 84px;
}

.hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30%;
  bottom: 8%;
  width: min(820px, 72vw);
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(2, 10, 15, 0.94) 0%, rgba(3, 18, 28, 0.84) 54%, rgba(3, 18, 28, 0) 100%),
    radial-gradient(ellipse at 30% 45%, rgba(2, 10, 15, 0.95), rgba(2, 10, 15, 0) 68%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--amber);
  font: 500 12px/1.5 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 8px rgba(55, 215, 255, 0.16), 0 0 28px rgba(55, 215, 255, 0.58);
  animation: pulse 2.4s infinite;
}

.clue-dot {
  border: 0;
  cursor: crosshair;
  flex: 0 0 auto;
  padding: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 22px;
  font-family: var(--font-display);
  font-size: clamp(58px, 10vw, 142px);
  line-height: 0.83;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: 0 0 60px rgba(55, 215, 255, 0.2);
}

.hero-lede {
  max-width: 730px;
  color: var(--fg-2);
  font-size: clamp(18px, 2.2vw, 27px);
  line-height: 1.45;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 780px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  border: 1px solid rgba(181, 235, 255, 0.14);
  border-radius: var(--radius-s);
  background: rgba(3, 14, 21, 0.54);
  color: var(--fg-2);
  font-size: 13px;
  line-height: 1.45;
  padding: 12px 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 0 18px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--amber);
  color: var(--ink);
  box-shadow: var(--glow);
}

.button.ghost {
  color: var(--fg-2);
}

.case-file {
  z-index: 2;
  align-self: center;
  border-radius: var(--radius-m);
  padding: 18px;
  transform: rotate(1deg);
  overflow: hidden;
  position: relative;
}

.case-file::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 28%, rgba(55, 215, 255, 0.08) 28% 29%, transparent 29%),
    repeating-linear-gradient(0deg, transparent 0 21px, rgba(181, 235, 255, 0.05) 21px 22px);
  opacity: 0.85;
}

.case-file__top,
.case-file dl,
.neural-stack,
.evidence-strip {
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.case-file__top {
  grid-template-columns: 1fr auto;
  color: var(--fg-3);
  font: 12px/1 var(--font-mono);
  text-transform: uppercase;
}

.status {
  color: var(--green);
}

.case-file dl {
  grid-template-columns: repeat(3, 1fr);
  margin: 22px 0;
}

.case-file dt {
  color: var(--fg-3);
  font-size: 12px;
}

.case-file dd {
  margin: 4px 0 0;
  font: 700 24px/1 var(--font-mono);
}

.neural-stack {
  margin-bottom: 18px;
}

.neural-stack div {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 10px;
  color: var(--fg-3);
  font: 11px/1 var(--font-mono);
}

.neural-stack i {
  display: block;
  height: 18px;
  border: 1px solid rgba(101, 242, 169, 0.32);
  border-radius: 4px;
  background:
    radial-gradient(circle at 12px 50%, rgba(241, 247, 255, 0.8) 0 2px, transparent 2.5px),
    linear-gradient(90deg, rgba(101, 242, 169, 0.38) 0 var(--w), rgba(55, 215, 255, 0.1) var(--w) 100%);
  box-shadow: inset 0 0 14px rgba(55, 215, 255, 0.16);
}

.evidence-strip {
  grid-template-columns: 1fr 0.6fr 1.4fr 0.85fr;
}

.evidence-strip span,
.evidence-strip button {
  height: 54px;
  border: 0;
  border-radius: var(--radius-s);
  background:
    linear-gradient(135deg, rgba(55, 215, 255, 0.18), transparent),
    radial-gradient(circle at 60% 42%, rgba(241, 247, 255, 0.72) 0 2px, transparent 2.5px),
    repeating-linear-gradient(90deg, rgba(181, 235, 255, 0.12) 0 1px, transparent 1px 8px);
}

.evidence-strip button {
  cursor: crosshair;
  position: relative;
}

.evidence-strip button::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(55, 215, 255, 0.42);
  border-radius: 4px;
  opacity: 0;
  transition: opacity 180ms ease;
}

.evidence-strip button:hover::after {
  opacity: 1;
}

.ticker {
  border-block: 1px solid var(--line);
  overflow: hidden;
  background: rgba(175, 232, 255, 0.035);
}

.ticker div {
  display: flex;
  width: max-content;
  gap: 42px;
  padding: 16px 0;
  animation: marquee 28s linear infinite;
}

.ticker span {
  color: var(--fg-3);
  font: 500 13px/1 var(--font-mono);
  text-transform: uppercase;
}

.section {
  padding: 105px 6vw;
}

.section-head {
  max-width: 760px;
  margin-bottom: 32px;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 72px);
  line-height: 0.98;
}

.bento {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tile {
  min-height: 230px;
  border-radius: var(--radius-m);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform 200ms ease, border-color 200ms ease;
}

.tile:hover,
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(55, 215, 255, 0.42);
}

.tile.large {
  grid-column: span 2;
}

.tile.tall {
  grid-row: span 2;
  min-height: 474px;
}

.tile.accent {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(55, 215, 255, 0.18), rgba(101, 242, 169, 0.07)),
    repeating-linear-gradient(90deg, rgba(241, 247, 255, 0.045) 0 1px, transparent 1px 14px);
}

.tile-index {
  color: var(--amber);
  font: 500 12px/1 var(--font-mono);
}

.tile h3,
.timeline h3 {
  margin: 56px 0 10px;
  font-size: 24px;
}

.tile p,
.timeline p,
.contact-card p {
  color: var(--fg-2);
  line-height: 1.65;
}

.method {
  background: linear-gradient(180deg, rgba(175, 232, 255, 0.035), transparent);
}

.timeline {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: start;
  border-radius: var(--radius-m);
  padding: 22px;
}

.timeline span {
  color: var(--amber);
  font: 700 28px/1 var(--font-mono);
}

.timeline h3 {
  margin-top: 0;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.case-card {
  min-height: 210px;
  border-radius: var(--radius-m);
  background:
    linear-gradient(180deg, rgba(6, 24, 36, 0.9), rgba(3, 13, 20, 0.84)),
    repeating-linear-gradient(90deg, rgba(181, 235, 255, 0.035) 0 1px, transparent 1px 13px);
  color: var(--fg-1);
  cursor: pointer;
  padding: 22px;
  text-align: left;
  transition: transform 200ms ease, border-color 200ms ease;
}

.case-card span {
  color: var(--fg-3);
  display: block;
  font: 12px/1 var(--font-mono);
  margin-bottom: 56px;
  text-transform: uppercase;
}

.case-card strong {
  font-size: 24px;
  line-height: 1.15;
}

.case-card.is-marked {
  border-color: rgba(55, 215, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(55, 215, 255, 0.14), var(--glow);
}

.contact {
  min-height: 70svh;
  display: grid;
  place-items: center;
}

.contact-card {
  width: min(820px, 100%);
  border-radius: var(--radius-m);
  padding: clamp(28px, 5vw, 58px);
  text-align: center;
}

.contact-card h2 {
  margin-inline: auto;
  max-width: 720px;
}

.fineprint {
  margin: 20px auto 0;
  max-width: 520px;
  font-size: 14px;
}

.case-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(10px);
}

.case-modal[hidden] {
  display: none;
}

.case-modal__panel {
  position: relative;
  width: min(560px, 100%);
  border-radius: var(--radius-m);
  padding: 28px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--fg-1);
  cursor: pointer;
}

.case-terminal {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  width: min(420px, calc(100vw - 28px));
  color: var(--fg-1);
  font-family: var(--font-mono);
}

.terminal-tab,
.terminal-panel,
.clue-toast {
  border: 1px solid var(--line);
  background: rgba(3, 14, 21, 0.88);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.38), var(--glow);
  backdrop-filter: blur(18px);
}

.terminal-tab {
  display: flex;
  width: 150px;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  margin-left: auto;
  border-radius: var(--radius-pill);
  color: var(--fg-2);
  cursor: pointer;
  padding: 0 14px;
}

.terminal-tab strong {
  color: var(--amber);
}

.terminal-panel {
  margin-top: 10px;
  border-radius: var(--radius-m);
  overflow: hidden;
}

.terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--amber);
  font-size: 12px;
  padding: 12px;
}

.terminal-head button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--fg-1);
  cursor: pointer;
}

.terminal-log {
  min-height: 150px;
  max-height: 240px;
  overflow: auto;
  padding: 14px;
}

.terminal-log p {
  margin: 0 0 8px;
  color: var(--fg-2);
  font-size: 12px;
  line-height: 1.5;
}

.terminal-log .ok {
  color: var(--green);
}

.terminal-log .warn {
  color: var(--red);
}

.terminal-form {
  border-top: 1px solid var(--line);
  padding: 14px;
}

.terminal-form label {
  display: block;
  color: var(--fg-3);
  font-size: 11px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.terminal-form div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.terminal-form input {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(175, 232, 255, 0.055);
  color: var(--fg-1);
  padding: 11px 12px;
}

.terminal-form button {
  border: 0;
  border-radius: var(--radius-s);
  background: var(--amber);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
  padding: 0 14px;
}

.clue-toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 60;
  max-width: min(520px, calc(100vw - 32px));
  border-radius: var(--radius-pill);
  color: var(--fg-2);
  font: 12px/1.4 var(--font-mono);
  padding: 12px 16px;
  transform: translateX(-50%);
}

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

body.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

body.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes pulse {
  50% {
    box-shadow: 0 0 0 13px rgba(55, 215, 255, 0);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 900px) {
  .topbar {
    left: 12px;
    right: 12px;
    grid-template-columns: 1fr auto;
  }

  .nav {
    grid-column: 1 / -1;
    justify-content: space-between;
    overflow-x: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
    padding: 230px 18px 58px;
  }

  .hero::before {
    top: 285px;
    bottom: auto;
    left: 0;
    width: 100%;
    height: 380px;
    background:
      linear-gradient(180deg, rgba(2, 10, 15, 0) 0%, rgba(2, 10, 15, 0.92) 15%, rgba(2, 10, 15, 0.9) 73%, rgba(2, 10, 15, 0) 100%),
      linear-gradient(90deg, rgba(2, 10, 15, 0.96), rgba(4, 24, 36, 0.78), rgba(2, 10, 15, 0.94));
  }

  .case-file {
    transform: none;
  }

  .section {
    padding: 74px 18px;
  }

  .bento,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .tile.large,
  .tile.accent,
  .tile.tall {
    grid-column: auto;
    grid-row: auto;
    min-height: 230px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .brand small {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  h1 {
    font-size: clamp(42px, 13vw, 52px);
  }

  .button {
    width: 100%;
  }

  .case-file dl {
    grid-template-columns: 1fr;
  }

  .case-terminal {
    bottom: 12px;
    right: 12px;
    width: calc(100vw - 24px);
  }

  .terminal-tab {
    width: 136px;
  }

  .terminal-panel {
    max-height: 48vh;
  }

  .terminal-log {
    min-height: 112px;
    max-height: 24vh;
  }

  .terminal-form div {
    grid-template-columns: 1fr 84px;
  }
}