:root {
  --bg-deep: #081522;
  --bg-mid: #10273b;
  --surface: #11263a;
  --surface-2: #152f45;
  --line: #2a4a65;
  --text: #e6eff7;
  --muted: #9ab0c4;
  --accent: #6fc1ff;
  --accent-strong: #2ea2ff;
  --good: #63d9a5;
  --warn: #f8c46b;
  --danger: #ff9c9c;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --font-sans: "Sora", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, rgba(111, 193, 255, 0.3), rgba(111, 193, 255, 0) 35%),
    radial-gradient(circle at 80% -14%, rgba(46, 162, 255, 0.16), rgba(46, 162, 255, 0) 40%),
    linear-gradient(165deg, var(--bg-deep), var(--bg-mid));
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.018),
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 4px
    ),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: auto, 36px 36px, 36px 36px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.08));
  z-index: -1;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid rgba(111, 193, 255, 0.9);
  outline-offset: 3px;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px clamp(18px, 4vw, 60px);
  background: rgba(8, 21, 34, 0.84);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(111, 193, 255, 0.22);
}

.brand {
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-short {
  display: none;
}

.brand-long {
  display: inline;
}

.nav-toggle {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(111, 193, 255, 0.28);
  background: rgba(9, 20, 33, 0.52);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: rgba(111, 193, 255, 0.46);
}

.nav-toggle:active {
  transform: translateY(1px);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topnav a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.topnav a:hover {
  color: var(--text);
  border-color: rgba(111, 193, 255, 0.22);
  background: rgba(9, 20, 33, 0.28);
}

main {
  padding: 24px clamp(18px, 4vw, 60px) 90px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.hero-copy,
.hero-visual,
.card {
  background:
    radial-gradient(circle at 18px 16px, rgba(255, 255, 255, 0.14) 0 3px, transparent 4px),
    radial-gradient(circle at 34px 16px, rgba(255, 255, 255, 0.12) 0 3px, transparent 4px),
    radial-gradient(circle at 50px 16px, rgba(255, 255, 255, 0.1) 0 3px, transparent 4px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0) 24px),
    linear-gradient(170deg, rgba(17, 38, 58, 0.92), rgba(10, 22, 34, 0.92));
  border: 1px solid rgba(111, 193, 255, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.55),
    inset 1px 0 0 rgba(255, 255, 255, 0.02),
    inset -1px 0 0 rgba(0, 0, 0, 0.35),
    var(--shadow);
  border-radius: var(--radius);
}

.hero-copy {
  padding: clamp(24px, 4vw, 44px);
}

.hero-note {
  margin-top: 14px;
  margin-bottom: 0;
}

.eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
}

h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.25rem);
  margin: 14px 0 14px;
}

h2 {
  font-size: clamp(1.35rem, 2.8vw, 2.15rem);
}

h3 {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 14px;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #04101b;
  border-color: rgba(111, 193, 255, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    inset 0 -2px 0 rgba(0, 0, 0, 0.24);
}

.btn-secondary {
  border-color: rgba(111, 193, 255, 0.32);
  color: var(--text);
  background: rgba(9, 20, 33, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.35);
}

.btn:active {
  transform: translateY(1px);
}

.hero-visual {
  padding: 14px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 12px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(111, 193, 255, 0.26);
}

.hero-visual p {
  margin: 0;
  font-size: 0.88rem;
}

.section {
  margin-top: 72px;
}

.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.section-note {
  margin: 0;
  max-width: 78ch;
}

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

.card {
  padding: 22px;
}

.card p {
  margin-top: 10px;
  margin-bottom: 0;
}

.icon-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-title i {
  color: #d0d9e2;
  font-size: 1.18rem;
  opacity: 0.95;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tech-subrow {
  margin-top: 14px;
}

.screenshot-card {
  margin: 0;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.screenshot-card img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(111, 193, 255, 0.24);
}

.screenshot-card figcaption {
  color: var(--muted);
  font-size: 0.82rem;
}

.risk-card {
  border-color: rgba(248, 196, 107, 0.26);
}

.performance-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 14px;
}

.terminal {
  --terminal-accent: var(--good);
  --terminal-accent-dim: rgba(99, 217, 165, 0.32);
  --terminal-accent-soft: rgba(99, 217, 165, 0.12);
}

.terminal .snapshot-card,
.terminal .chart-card {
  border-color: rgba(99, 217, 165, 0.18);
}

.snapshot-card {
  display: grid;
  gap: 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  border: 1px solid rgba(111, 193, 255, 0.16);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(9, 20, 33, 0.5);
}

.terminal .metric {
  border-color: var(--terminal-accent-dim);
  background: rgba(4, 14, 22, 0.62);
}

.metric span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
}

.terminal .metric strong {
  color: rgba(230, 255, 246, 0.95);
  text-shadow: 0 0 14px rgba(99, 217, 165, 0.14);
}

.status {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.status.ok {
  color: var(--good);
}

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

.status.error {
  color: var(--danger);
}

.inline-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.88rem;
}

.terminal .inline-link {
  color: var(--terminal-accent);
}

.inline-link:hover {
  text-decoration: underline;
}

.chart-card h3 {
  margin-bottom: 10px;
}

.chart-shell {
  border: 1px solid rgba(111, 193, 255, 0.15);
  border-radius: 14px;
  background: rgba(9, 20, 33, 0.52);
  padding: 10px;
  min-height: 280px;
}

.terminal .chart-shell {
  border-color: var(--terminal-accent-dim);
  background:
    linear-gradient(180deg, rgba(4, 14, 22, 0.72), rgba(4, 14, 22, 0.55)),
    repeating-linear-gradient(
      to right,
      rgba(99, 217, 165, 0.06) 0,
      rgba(99, 217, 165, 0.06) 1px,
      transparent 1px,
      transparent 44px
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(99, 217, 165, 0.05) 0,
      rgba(99, 217, 165, 0.05) 1px,
      transparent 1px,
      transparent 34px
    );
}

#snapshot-chart {
  width: 100%;
  height: 250px;
}

#chart-zero {
  stroke: rgba(255, 255, 255, 0.15);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.chart-stop-top {
  stop-color: rgba(111, 193, 255, 0.35);
}

.chart-stop-bottom {
  stop-color: rgba(111, 193, 255, 0.02);
}

.terminal .chart-stop-top {
  stop-color: rgba(99, 217, 165, 0.28);
}

.terminal .chart-stop-bottom {
  stop-color: rgba(99, 217, 165, 0.012);
}

#chart-area {
  fill: url(#chartFill);
}

#chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.terminal #chart-line {
  stroke: var(--terminal-accent);
}

.chart-fallback {
  display: none;
  margin: 10px 0 0;
  font-size: 0.9rem;
}

.chart-shell.no-data #snapshot-chart {
  display: none;
}

.chart-shell.no-data .chart-fallback {
  display: block;
}

.short {
  font-size: 0.82rem;
  margin-top: 12px;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.contact-card p {
  margin: 0;
}

.footer {
  border-top: 1px solid rgba(111, 193, 255, 0.24);
  padding: 24px clamp(18px, 4vw, 60px) 34px;
}

.footer p {
  margin: 0;
  width: min(1180px, 100%);
  margin-left: auto;
  margin-right: auto;
  font-size: 0.78rem;
}

.reveal {
  transition: opacity 480ms ease, transform 480ms ease;
}

.reveal-hidden {
  opacity: 0;
  transform: translateY(18px);
}

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

html.reveal-prep .reveal {
  transition: none !important;
}

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

  .reveal {
    transition: none;
  }

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

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .split,
  .performance-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .brand-short {
    display: inline;
  }

  .brand-long {
    display: none;
  }

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

  .topnav {
    display: none;
    flex-basis: 100%;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(111, 193, 255, 0.18);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .topbar.nav-open .topnav {
    display: flex;
  }

  .topnav a {
    width: 100%;
  }
}

@media (max-width: 700px) {
  .topbar {
    padding: 14px 18px;
  }

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

  .contact-card {
    flex-direction: column;
    align-items: flex-start;
  }
}