:root {
  --bg: #071014;
  --bg-soft: rgba(11, 22, 29, 0.82);
  --panel: rgba(12, 23, 31, 0.76);
  --panel-strong: rgba(15, 28, 37, 0.92);
  --line: rgba(121, 240, 255, 0.18);
  --line-strong: rgba(160, 119, 255, 0.32);
  --text: #ebfeff;
  --muted: #9bb9be;
  --muted-strong: #bfd7dc;
  --cyan: #76f4ff;
  --violet: #c57dff;
  --lime: #7fffaf;
  --orange: #ffaf6a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 15%, rgba(118, 244, 255, 0.18), transparent 28%),
    radial-gradient(circle at 82% 10%, rgba(197, 125, 255, 0.16), transparent 24%),
    radial-gradient(circle at 72% 76%, rgba(127, 255, 175, 0.1), transparent 18%),
    linear-gradient(180deg, #081116 0%, #050a0d 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 100%);
}

.site-shell {
  position: relative;
  overflow: hidden;
}

.ambient,
.grid-glow {
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
}

.ambient-a {
  width: 28rem;
  height: 28rem;
  top: 8rem;
  left: -6rem;
  background: radial-gradient(circle, rgba(118, 244, 255, 0.22), transparent 68%);
  filter: blur(22px);
}

.ambient-b {
  width: 32rem;
  height: 32rem;
  right: -8rem;
  top: 22rem;
  background: radial-gradient(circle, rgba(197, 125, 255, 0.2), transparent 68%);
  filter: blur(26px);
}

.grid-glow {
  right: 12%;
  top: 5rem;
  width: 16rem;
  height: 16rem;
  background: radial-gradient(circle, rgba(118, 244, 255, 0.18), transparent 70%);
  filter: blur(18px);
}

.topbar,
main {
  position: relative;
  z-index: 1;
}

.topbar {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark,
.brand-name,
.eyebrow,
h1,
h2,
h3 {
  font-family: "Chakra Petch", sans-serif;
}

.brand-mark {
  color: var(--cyan);
  font-size: 1.6rem;
  text-shadow: 0 0 24px rgba(118, 244, 255, 0.6);
}

.brand-name {
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.topnav {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.96rem;
}

.topnav a:hover {
  color: var(--text);
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  margin-bottom: 7rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 8rem);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--lime);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(3.4rem, 8vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.hero-text,
.section-head p,
.feature-card p,
.workflow-steps p,
.mode-card p,
.install-card p,
.cta p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 62ch;
  margin: 1.4rem 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.95rem 1.4rem;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.command-chip:hover,
.install-card .button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #051014;
  background: linear-gradient(135deg, var(--cyan), #89ffe3);
  box-shadow: 0 0 36px rgba(118, 244, 255, 0.26);
}

.button-secondary {
  color: var(--text);
  border-color: rgba(197, 125, 255, 0.34);
  background: rgba(197, 125, 255, 0.08);
}

.hero-install-strip {
  display: grid;
  gap: 0.85rem;
  margin-top: 2rem;
}

.command-chip {
  width: 100%;
  border: 1px solid rgba(118, 244, 255, 0.16);
  border-radius: 20px;
  background: var(--panel);
  color: inherit;
  text-align: left;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.command-chip span {
  display: block;
  color: var(--cyan);
  margin-bottom: 0.45rem;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.command-chip code,
pre code,
.terminal-body {
  font-family: "IBM Plex Mono", monospace;
}

.command-chip code {
  color: var(--muted-strong);
  font-size: 0.92rem;
  white-space: pre-wrap;
}

.hero-stats,
.feature-grid,
.mode-grid,
.install-grid {
  display: grid;
  gap: 1rem;
}

.hero-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.4rem;
}

.stat-card,
.feature-card,
.mode-card,
.install-card,
.cta-panel,
.terminal-panel {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.stat-card {
  padding: 1.1rem 1rem;
}

.stat-card strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.93rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-frame {
  position: relative;
  width: min(100%, 540px);
  padding: 1.15rem;
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(118, 244, 255, 0.12), rgba(197, 125, 255, 0.14));
  border: 1px solid rgba(197, 125, 255, 0.22);
  box-shadow: 0 32px 100px rgba(1, 8, 14, 0.7);
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.frame-badge {
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  z-index: 1;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(5, 16, 20, 0.76);
  border: 1px solid rgba(118, 244, 255, 0.18);
  color: var(--muted-strong);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-frame img {
  display: block;
  width: 100%;
  border-radius: 24px;
  object-fit: cover;
}

.section-head {
  max-width: 880px;
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 1.02;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.mode-card,
.install-card {
  padding: 1.4rem;
}

.install-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  min-width: 0;
  padding: 1.45rem 1.45rem 1.35rem;
}

.install-card p {
  margin: 0;
}

.install-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.9rem;
}

.install-card-head h3 {
  margin: 0;
}

.install-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.install-action {
  position: relative;
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid rgba(118, 244, 255, 0.16);
  border-radius: 999px;
  background: rgba(9, 18, 24, 0.9);
  color: var(--muted-strong);
  font: inherit;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.install-action:hover {
  transform: translateY(-1px);
  color: var(--text);
  border-color: rgba(118, 244, 255, 0.3);
  background: rgba(17, 35, 44, 0.96);
}

.install-action svg {
  display: block;
  flex: 0 0 auto;
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.install-action.copied::after {
  content: attr(data-copied-label);
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.45rem);
  padding: 0.26rem 0.45rem;
  border-radius: 999px;
  background: rgba(8, 20, 18, 0.96);
  border: 1px solid rgba(127, 255, 175, 0.26);
  color: var(--lime);
  font-size: 0.72rem;
  line-height: 1;
  white-space: nowrap;
}

.install-intro {
  max-width: 62ch;
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.feature-card-large {
  grid-column: span 2;
  border-color: var(--line-strong);
  background: linear-gradient(135deg, rgba(118, 244, 255, 0.07), rgba(197, 125, 255, 0.08));
}

.feature-card h3,
.mode-card h3,
.install-card h3,
.workflow-steps h3 {
  margin: 0 0 0.75rem;
  font-size: 1.32rem;
}

.install-card-head > h3 {
  margin: 0;
}

.workflow-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 1rem;
  align-items: stretch;
}

.terminal-panel {
  overflow: hidden;
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-title {
  margin-left: 0.6rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
}

.dot-red { background: #ff6d7d; }
.dot-yellow { background: #ffcc70; }
.dot-green { background: #75ff8f; }

.terminal-body {
  padding: 1.2rem 1.15rem 1.35rem;
  color: #dcf8ff;
  font-size: 0.92rem;
  line-height: 1.9;
}

.terminal-line.muted {
  color: rgba(182, 223, 229, 0.72);
}

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

.workflow-steps {
  display: grid;
  gap: 1rem;
}

.workflow-steps article {
  padding: 1.35rem;
  border-radius: 24px;
  background: rgba(12, 23, 31, 0.66);
  border: 1px solid rgba(118, 244, 255, 0.12);
}

.workflow-steps span {
  color: var(--violet);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mode-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.mode-card {
  min-height: 210px;
}

.mode-supervised { border-color: rgba(255, 210, 80, 0.32); }
.mode-plan { border-color: rgba(70, 180, 255, 0.32); }
.mode-auto { border-color: rgba(127, 255, 175, 0.28); }
.mode-bypass { border-color: rgba(255, 112, 112, 0.3); }
.mode-autopilot { border-color: rgba(197, 125, 255, 0.34); }

.install-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.2rem;
}

.install-card-primary {
  grid-column: span 4;
  background: linear-gradient(180deg, rgba(10, 22, 29, 0.96), rgba(8, 18, 24, 0.88));
}

.install-card-secondary {
  grid-column: span 6;
  background: linear-gradient(135deg, rgba(118, 244, 255, 0.05), rgba(197, 125, 255, 0.08));
  border-color: rgba(197, 125, 255, 0.2);
}

.command-block {
  margin: 0.1rem 0 0;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
  white-space: pre-wrap;
  background: rgba(4, 10, 14, 0.92);
  border: 1px solid rgba(118, 244, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.command-block code {
  display: block;
  color: var(--text);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.45;
  max-width: 100%;
  font-size: 0.96rem;
}

.command-line {
  display: block;
}

.command-line + .command-line {
  margin-top: 0.2rem;
}

.command-packages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.15rem;
}

.package-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(118, 244, 255, 0.12);
  background: rgba(4, 10, 14, 0.82);
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
  line-height: 1;
}

.cta {
  margin-bottom: 2rem;
}

.cta-panel {
  padding: 2rem;
  background:
    radial-gradient(circle at 16% 16%, rgba(118, 244, 255, 0.12), transparent 26%),
    radial-gradient(circle at 84% 24%, rgba(197, 125, 255, 0.13), transparent 22%),
    rgba(10, 20, 27, 0.92);
  border-color: rgba(197, 125, 255, 0.18);
}

.cta-panel h2 {
  margin: 0;
  max-width: 15ch;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}

.cta-panel p {
  max-width: 60ch;
  margin-top: 1rem;
}

.command-chip.copied::after {
  content: attr(data-copied-label);
  color: var(--lime);
}

@media (max-width: 1100px) {
  .hero,
  .workflow-layout,
  .feature-grid,
  .install-grid,
  .mode-grid,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .install-card-primary,
  .install-card-secondary {
    grid-column: span 1;
  }

  .feature-card-large {
    grid-column: span 1;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 780px) {
  .topbar,
  main {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  section {
    margin-bottom: 5rem;
  }

  .topnav {
    gap: 0.8rem;
    justify-content: flex-end;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .button {
    width: 100%;
    text-align: center;
  }

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