:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f5f5f7;
  --color-text: #1d1d1f;
  --color-muted: #6e6e73;
  --color-blue: #0071e3;
  --color-blue-hover: #0077ed;
  --color-border: rgba(0, 0, 0, 0.08);
  --shadow-soft: 0 30px 80px rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.58);
  --glass-bg-strong: rgba(255, 255, 255, 0.76);
  --glass-border: rgba(255, 255, 255, 0.78);
  --glass-shadow: 0 24px 70px rgba(53, 79, 120, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  position: relative;
  overflow-x: clip;
  margin: 0;
  background:
    radial-gradient(circle at 8% 24%, rgba(126, 201, 255, 0.13), transparent 28rem),
    radial-gradient(circle at 92% 55%, rgba(194, 166, 255, 0.12), transparent 30rem),
    var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47059;
  -webkit-font-smoothing: antialiased;
}

main {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding-inline: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(248, 251, 255, 0.66);
  box-shadow: 0 1px 18px rgba(42, 66, 100, 0.06);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
}

.nav {
  display: flex;
  min-width: 0;
  height: 44px;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.brand {
  font-weight: 650;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}

.nav-links a {
  color: #333336;
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--color-blue);
}

.language-switcher {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  background: rgba(232, 238, 248, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.language-switcher button {
  min-width: 30px;
  padding: 4px 7px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.language-switcher button.active {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 2px 8px rgba(48, 73, 112, 0.15);
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1px;
  margin: 5px auto;
  background: var(--color-text);
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  padding: 92px 0 84px;
  background:
    radial-gradient(circle at 20% 18%, rgba(84, 178, 255, 0.2), transparent 25rem),
    radial-gradient(circle at 82% 30%, rgba(190, 139, 255, 0.18), transparent 27rem),
    radial-gradient(circle at 50% 92%, rgba(118, 232, 224, 0.16), transparent 26rem),
    linear-gradient(180deg, #f8fbff 0%, #f4f5f8 100%);
  text-align: center;
}

.hero::before,
.hero::after {
  position: absolute;
  border-radius: 50%;
  content: "";
  filter: blur(2px);
  pointer-events: none;
}

.hero::before {
  top: 90px;
  left: -110px;
  width: 310px;
  height: 310px;
  background: linear-gradient(135deg, rgba(80, 175, 255, 0.3), rgba(177, 128, 255, 0.08));
  box-shadow: inset -30px -30px 70px rgba(255, 255, 255, 0.48);
}

.hero::after {
  right: -80px;
  bottom: 50px;
  width: 250px;
  height: 250px;
  background: linear-gradient(145deg, rgba(192, 146, 255, 0.24), rgba(89, 218, 224, 0.1));
  box-shadow: inset 24px 20px 60px rgba(255, 255, 255, 0.55);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
}

.hero-content > * {
  max-width: 100%;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-blue);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 720;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.hero-subtitle {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: 1px solid var(--color-blue);
  border-radius: 999px;
  font-size: 17px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.button-primary {
  background: var(--color-blue);
  color: #fff;
}

.button-primary:hover {
  background: var(--color-blue-hover);
}

.button-secondary {
  border-color: rgba(0, 113, 227, 0.46);
  background: rgba(255, 255, 255, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--color-blue);
}

.button-secondary:hover {
  background: var(--color-blue);
  color: #fff;
}

.setup-window {
  width: min(980px, 100%);
  max-width: 100%;
  margin-top: 72px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(245, 250, 255, 0.46));
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(30px) saturate(170%);
  -webkit-backdrop-filter: blur(30px) saturate(170%);
  text-align: left;
}

.window-bar {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
}

.window-status::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: #34c759;
  content: "";
}

.command-line {
  display: grid;
  min-width: 0;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 31px 28px;
  border-bottom: 1px solid var(--color-border);
}

.command-line code,
.code-card code,
.mini-terminal code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.command-line code {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  color: #303036;
  font-size: 14px;
  white-space: nowrap;
}

.prompt {
  color: var(--color-blue);
  font-family: "SFMono-Regular", Consolas, monospace;
}

.copy-button,
.code-card button {
  padding: 7px 12px;
  border: 0;
  border-radius: 999px;
  background: rgba(232, 240, 251, 0.72);
  color: var(--color-blue);
  cursor: pointer;
  font-size: 12px;
}

.install-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.install-flow div {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: center;
  padding: 24px 28px;
  border-right: 1px solid var(--color-border);
}

.install-flow div:last-child {
  border: 0;
}

.install-flow span {
  margin-bottom: 20px;
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 700;
}

.install-flow strong {
  font-size: 18px;
}

.install-flow small {
  margin-top: 5px;
  color: var(--color-muted);
  font-size: 13px;
}

.section {
  padding: 112px 0;
}

.section-soft {
  position: relative;
  background:
    radial-gradient(circle at 12% 22%, rgba(95, 188, 255, 0.11), transparent 24rem),
    radial-gradient(circle at 88% 75%, rgba(183, 145, 255, 0.1), transparent 26rem),
    rgba(245, 245, 247, 0.72);
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading h2,
.feature-panel h2,
.structure h2 {
  margin: 0;
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.section-heading > p:last-child,
.feature-panel > div > p:last-child,
.structure > div > p:last-child {
  max-width: 680px;
  margin: 22px auto 0;
  color: var(--color-muted);
  font-size: 21px;
  letter-spacing: -0.015em;
}

.align-left {
  margin: 0;
  text-align: left;
}

.align-left > p:last-child {
  margin-left: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.card {
  position: relative;
  min-height: 270px;
  overflow: hidden;
  padding: 38px;
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(244, 248, 253, 0.48));
  box-shadow: 0 18px 50px rgba(52, 76, 110, 0.08), inset 0 1px 0 #fff;
  backdrop-filter: blur(22px) saturate(145%);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
}

.card::after,
.checklist-card::after,
.plain-card::after {
  position: absolute;
  top: -45%;
  left: -12%;
  width: 72%;
  height: 75%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.68), transparent 67%);
  content: "";
  pointer-events: none;
}

.badge {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 4px 14px rgba(49, 76, 112, 0.08);
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 650;
}

.card h3 {
  position: relative;
  z-index: 1;
  margin: 54px 0 8px;
  font-size: 32px;
  letter-spacing: -0.035em;
}

.card p,
.plain-card p,
.steps p {
  margin: 0;
  color: var(--color-muted);
}

.card p {
  position: relative;
  z-index: 1;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.checklist-card {
  position: relative;
  overflow: hidden;
  padding: 38px;
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  background: var(--glass-bg-strong);
  box-shadow: var(--glass-shadow), inset 0 1px 0 #fff;
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
}

.checklist-card > * {
  position: relative;
  z-index: 1;
}

.badge-neutral {
  background: var(--color-bg-soft);
  color: var(--color-muted);
}

.checklist-card h3 {
  margin: 26px 0 20px;
  font-size: 32px;
  letter-spacing: -0.035em;
}

.checklist {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.checklist li:last-child {
  border-bottom: 0;
}

.checklist li > span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: #e8f4ff;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 700;
}

.checklist-manual li > span {
  background: var(--color-bg-soft);
  color: var(--color-muted);
}

.checklist strong {
  font-size: 17px;
}

.checklist p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 15px;
}

.checklist code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88em;
}

.split-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}

.steps li > span {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 5px 16px rgba(47, 76, 112, 0.1);
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 700;
}

.steps strong {
  font-size: 19px;
}

.steps p {
  margin-top: 4px;
}

.command-stack {
  display: grid;
  gap: 14px;
  margin-top: 70px;
}

.code-card {
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: var(--glass-bg-strong);
  box-shadow: 0 16px 46px rgba(45, 71, 106, 0.09), inset 0 1px 0 #fff;
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.code-card > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
}

.code-card code {
  display: block;
  overflow-x: auto;
  padding: 22px 18px;
  font-size: 14px;
  white-space: nowrap;
}

.feature-panel {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 70px;
  align-items: center;
  padding: 70px;
  border-radius: 36px;
  border: 1px solid var(--glass-border);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.78), rgba(238, 246, 255, 0.48)),
    radial-gradient(circle at 90% 10%, rgba(171, 131, 255, 0.16), transparent 20rem);
  box-shadow: var(--glass-shadow), inset 0 1px 0 #fff;
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
}

.feature-panel > div > p:last-child,
.structure > div > p:last-child {
  margin-left: 0;
}

.mini-terminal {
  display: grid;
  gap: 10px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 16px 50px rgba(43, 68, 102, 0.09), inset 0 1px 0 #fff;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.mini-terminal span {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 12px;
}

.mini-terminal code {
  overflow-x: auto;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(232, 238, 247, 0.58);
  font-size: 13px;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.plain-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  background: var(--glass-bg-strong);
  box-shadow: 0 16px 44px rgba(49, 73, 107, 0.08), inset 0 1px 0 #fff;
  backdrop-filter: blur(20px) saturate(145%);
  -webkit-backdrop-filter: blur(20px) saturate(145%);
}

.plain-card > * {
  position: relative;
  z-index: 1;
}

.plain-card strong {
  display: block;
  margin-bottom: 14px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.structure {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 80px;
  align-items: center;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 36px;
  border-radius: 28px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(145deg, rgba(246, 249, 253, 0.76), rgba(236, 243, 252, 0.5));
  box-shadow: 0 18px 50px rgba(45, 70, 104, 0.08), inset 0 1px 0 #fff;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: #424247;
  font-size: 14px;
  line-height: 1.8;
}

.footer {
  padding: 34px 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 12px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner div {
  display: flex;
  gap: 20px;
}

.footer p {
  margin: 0;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

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

  .reveal,
  .reveal.reveal-pending {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero::before,
  .hero::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .install-flow,
  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .install-flow div:nth-child(2) {
    border-right: 0;
  }

  .install-flow div {
    border-bottom: 1px solid var(--color-border);
  }

  .install-flow div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .split-layout,
  .checklist-grid,
  .feature-panel,
  .structure {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .feature-panel {
    padding: 48px;
  }
}

@media (max-width: 780px) {
  .nav-toggle {
    display: block;
    flex: 0 0 auto;
    margin-left: auto;
  }

  .nav-links {
    position: absolute;
    top: 44px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 18px;
    border-bottom: 1px solid var(--color-border);
    background: rgba(248, 251, 255, 0.88);
    box-shadow: 0 18px 40px rgba(42, 67, 102, 0.1);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 11px 0;
    font-size: 15px;
  }

  .language-switcher {
    margin-top: 8px;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
    padding: 70px 0 58px;
  }

  .hero::before {
    top: 160px;
    left: -170px;
  }

  .hero::after {
    right: -150px;
    bottom: 180px;
  }

  .hero-title {
    font-size: clamp(50px, 16vw, 68px);
  }

  .hero-subtitle {
    font-size: 24px;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .setup-window {
    margin-top: 52px;
    border-radius: 22px;
  }

  .command-line {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 24px 20px;
  }

  .copy-button {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .install-flow,
  .card-grid,
  .checklist-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .checklist-card {
    padding: 30px 24px;
  }

  .install-flow div {
    min-height: 125px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .install-flow div:nth-last-child(2) {
    border-bottom: 1px solid var(--color-border);
  }

  .section {
    padding: 80px 0;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .section-heading h2,
  .feature-panel h2,
  .structure h2 {
    font-size: 42px;
  }

  .section-heading > p:last-child,
  .feature-panel > div > p:last-child,
  .structure > div > p:last-child {
    font-size: 18px;
  }

  .card {
    min-height: 240px;
    padding: 30px;
  }

  .feature-panel {
    padding: 32px 24px;
    border-radius: 28px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner div {
    flex-wrap: wrap;
  }
}