:root {
  color-scheme: dark;
  --bg: #08111f;
  --panel: rgba(14, 22, 40, 0.72);
  --panel-strong: rgba(10, 17, 31, 0.92);
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f4f7fb;
  --muted: #a6b1c6;
  --muted-strong: #d0d7e6;
  --accent: #58d7c4;
  --accent-strong: #7ef0da;
  --accent-warm: #ffc76f;
  --accent-glow: rgba(88, 215, 196, 0.26);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1180px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(88, 215, 196, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 199, 111, 0.12), transparent 24%),
    radial-gradient(circle at 50% 10%, rgba(123, 114, 255, 0.1), transparent 26%),
    linear-gradient(180deg, #050913 0%, #091120 45%, #060b14 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 60%);
  opacity: 0.55;
}

body::after {
  content: "";
  position: fixed;
  inset: auto -10% -20% auto;
  width: 32rem;
  height: 32rem;
  background: radial-gradient(circle, rgba(88, 215, 196, 0.16), transparent 68%);
  filter: blur(20px);
  pointer-events: none;
}

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

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

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: var(--container);
  margin: 0 auto;
  padding: 24px 0 40px;
  position: relative;
  z-index: 1;
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(5, 10, 19, 0.62);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  position: sticky;
  top: 16px;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: linear-gradient(135deg, rgba(88, 215, 196, 0.2), rgba(255, 199, 111, 0.2));
  box-shadow: 0 10px 26px rgba(88, 215, 196, 0.22);
}

.brand__text strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand__text small {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.topnav {
  display: flex;
  justify-content: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.topnav a {
  transition: color 180ms ease, transform 180ms ease;
}

.topnav a:hover,
.topnav a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.topbar__actions {
  display: inline-flex;
  gap: 10px;
}

.section {
  margin-top: 32px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
  min-height: calc(100vh - 160px);
  padding: 28px 0 8px;
}

.hero__copy h1 {
  margin: 18px 0 18px;
  font-size: clamp(3rem, 5vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  max-width: 10ch;
}

.hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.75;
}

.eyebrow,
.section-heading__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-strong);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 0 24px var(--accent-glow);
}

.hero__actions,
.cta-card__actions,
.topbar__actions {
  flex-wrap: wrap;
}

.hero__actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--solid {
  color: #05101a;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 55%, #e5fff9 100%);
  box-shadow: 0 18px 40px rgba(88, 215, 196, 0.24);
}

.button--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: var(--border-strong);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 30px 0 0;
}

.metrics div,
.demo-card,
.mini-card,
.snippet-card,
.feature-card,
.workflow-step,
.privacy-callout,
.cta-card {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.metrics div {
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.metrics dt {
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metrics dd {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.demo-card,
.snippet-card,
.mini-card {
  border-radius: var(--radius-xl);
}

.demo-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    linear-gradient(135deg, rgba(88, 215, 196, 0.08), rgba(255, 199, 111, 0.08));
}

.demo-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -24% auto;
  width: 15rem;
  height: 15rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 199, 111, 0.2), transparent 68%);
  filter: blur(12px);
}

.demo-card--window {
  min-height: 320px;
}

.window-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
}

.demo-card__label {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-output {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.demo-output__prompt,
.demo-output__value,
.demo-card__note,
.snippet-card pre,
.feature-card p,
.workflow-step p,
.privacy-callout p,
.cta-card p,
.footer {
  color: var(--muted-strong);
}

.demo-output__prompt,
.demo-output__arrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 1rem;
}

.demo-output__prompt {
  color: var(--accent-strong);
}

.demo-output__arrow {
  color: var(--accent-warm);
}

.demo-output__value {
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.4;
  min-height: 3.2em;
  transition: opacity 240ms ease, transform 240ms ease;
}

.demo-output__value.is-fading {
  opacity: 0;
  transform: translateY(6px);
}

.demo-card__note {
  margin: 22px 0 0;
  max-width: 35ch;
  line-height: 1.7;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mini-card {
  padding: 18px;
}

.mini-card--accent {
  background: linear-gradient(135deg, rgba(88, 215, 196, 0.16), rgba(255, 199, 111, 0.14));
}

.mini-card__label {
  display: block;
  color: var(--accent-strong);
  margin-bottom: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-card strong {
  font-size: 1rem;
  line-height: 1.5;
}

.snippet-card {
  padding: 18px;
}

.snippet-card__header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.snippet-card pre {
  margin: 0;
  overflow: auto;
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(5, 10, 19, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.snippet-card code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.94rem;
  line-height: 1.8;
  color: #eaf6ff;
}

.marquee {
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border-radius: 999px;
  padding: 12px 0;
}

.marquee__track {
  display: flex;
  gap: 42px;
  width: max-content;
  padding-inline: 18px;
  color: var(--muted-strong);
  font-size: 0.95rem;
  animation: marquee 24s linear infinite;
}

.marquee__track span {
  position: relative;
}

.marquee__track span::after {
  content: "";
  position: absolute;
  right: -24px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  transform: translateY(-50%);
}

.section--stacked,
.split {
  display: grid;
  gap: 22px;
}

.section-heading,
.section-heading--left {
  max-width: 760px;
}

.section-heading h2,
.section-heading--left h2,
.privacy-callout h2,
.cta-card h2 {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 3vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.section-heading p,
.section-heading--left p,
.privacy-callout p,
.cta-card p {
  margin: 0;
  max-width: 64ch;
  line-height: 1.75;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(88, 215, 196, 0.18), rgba(255, 199, 111, 0.18));
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 700;
}

.feature-card h3,
.workflow-step h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.feature-card p,
.workflow-step p,
.privacy-callout p,
.cta-card p {
  margin: 0;
  line-height: 1.72;
}

.split {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
}

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

.workflow-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
}

.workflow-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--accent-strong);
  font-weight: 700;
}

.privacy-callout,
.cta-card {
  border-radius: calc(var(--radius-xl) + 6px);
  padding: 28px;
  display: grid;
  gap: 18px;
}

.privacy-callout {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(255, 199, 111, 0.12), transparent 28%),
    var(--panel-strong);
}

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

.privacy-list li {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-card {
  grid-template-columns: 1.2fr auto;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(88, 215, 196, 0.12), rgba(255, 199, 111, 0.12)),
    var(--panel-strong);
}

.cta-card__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 4px 0;
  font-size: 0.95rem;
}

.footer p {
  display: grid;
  gap: 6px;
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

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

@media (max-width: 1080px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: start;
    border-radius: 28px;
  }

  .topnav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 16px 20px;
  }

  .hero,
  .split,
  .privacy-callout,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 18px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100vw - 20px, 1180px);
  }

  .page-shell {
    padding-top: 10px;
  }

  .topbar {
    position: static;
    padding: 14px;
    top: auto;
    gap: 14px;
    border-radius: 26px;
  }

  .topnav {
    justify-content: flex-start;
    gap: 12px 16px;
    font-size: 0.88rem;
    line-height: 1.2;
  }

  .topbar__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .topbar__actions .button {
    width: 100%;
  }

  .section {
    margin-top: 24px;
  }

  .hero {
    gap: 18px;
    padding-top: 12px;
  }

  .hero__copy h1 {
    max-width: 11ch;
    font-size: clamp(2.45rem, 11vw, 3.4rem);
    line-height: 1;
  }

  .hero__lede {
    font-size: 1rem;
    line-height: 1.62;
    max-width: 34ch;
  }

  .hero__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 20px;
  }

  .button {
    min-height: 46px;
    padding: 0 14px;
    font-size: 0.96rem;
  }

  .metrics {
    display: none;
  }

  .demo-card--window {
    min-height: 0;
    padding: 18px;
  }

  .demo-output {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 8px;
    margin-top: 18px;
  }

  .demo-output__prompt,
  .demo-output__arrow {
    font-size: 0.92rem;
  }

  .demo-output__value {
    font-size: 1.08rem;
    min-height: 0;
  }

  .demo-card__note {
    margin-top: 16px;
    max-width: none;
    font-size: 0.95rem;
  }

  .demo-grid,
  .snippet-card,
  .marquee {
    display: none;
  }

  .section-heading h2,
  .section-heading--left h2,
  .privacy-callout h2,
  .cta-card h2 {
    font-size: clamp(1.7rem, 8vw, 2.5rem);
    line-height: 1.04;
  }

  .section-heading p,
  .section-heading--left p,
  .privacy-callout p,
  .cta-card p {
    font-size: 0.98rem;
    line-height: 1.65;
  }

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

  .feature-card,
  .workflow-step,
  .privacy-callout,
  .cta-card {
    padding: 18px;
  }

  .feature-card p,
  .workflow-step p {
    font-size: 0.97rem;
  }

  .workflow-step {
    gap: 14px;
  }

  .privacy-list {
    gap: 10px;
  }

  .privacy-list li {
    padding: 12px 14px;
    font-size: 0.96rem;
  }

  .cta-card__actions {
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .footer {
    flex-direction: column;
    gap: 12px;
    padding-inline: 6px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .topbar__actions,
  .hero__actions {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero__copy h1 {
    max-width: 9.5ch;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}