:root {
  color-scheme: dark;
  --bg: #050b12;
  --bg-soft: #0a1119;
  --surface: rgba(12, 20, 29, 0.88);
  --surface-strong: rgba(18, 27, 40, 0.98);
  --line: rgba(118, 145, 170, 0.18);
  --line-strong: rgba(67, 201, 237, 0.32);
  --text: #f4f9ff;
  --muted: #9fb0c7;
  --teal: #2ee7db;
  --blue: #2d87ff;
  --cyan: #24d5f3;
  --danger: #ff5a67;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  background:
    radial-gradient(circle at 15% 12%, rgba(46, 231, 219, 0.12), transparent 18%),
    radial-gradient(circle at 84% 18%, rgba(45, 135, 255, 0.14), transparent 18%),
    radial-gradient(circle at 90% 78%, rgba(36, 213, 243, 0.1), transparent 20%),
    linear-gradient(180deg, #04080e 0%, #050c13 55%, #061018 100%);
  color: var(--text);
}

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

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 0 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(5, 11, 18, 0.95), rgba(5, 11, 18, 0.7));
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1;
}

.brand strong {
  font: 700 1rem/1.1 "Space Grotesk", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand small {
  margin-top: 4px;
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 24px;
  color: #dde9f6;
  font-size: 0.95rem;
}

.nav a {
  opacity: 0.82;
}

.nav a:hover,
.nav a:focus-visible {
  opacity: 1;
  color: #ffffff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: 700 0.98rem/1 "Space Grotesk", sans-serif;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  white-space: nowrap;
}

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

.button-primary {
  color: #041019;
  background: linear-gradient(135deg, var(--teal), #6be9ff);
  box-shadow: 0 18px 36px rgba(36, 213, 243, 0.22);
}

.button-secondary {
  color: var(--text);
  background: rgba(10, 17, 25, 0.84);
  border-color: rgba(108, 140, 175, 0.28);
}

.button-danger {
  color: #fff;
  background: rgba(255, 90, 103, 0.16);
  border-color: rgba(255, 90, 103, 0.3);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 30px;
  align-items: center;
  padding: 28px 0 34px;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 10px 16px;
  border: 1px solid rgba(45, 231, 219, 0.35);
  border-radius: 999px;
  color: #34efd7;
  background: rgba(8, 18, 26, 0.72);
  font: 700 0.76rem/1 "Space Grotesk", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font: 700 clamp(3.2rem, 5.5vw, 5.8rem)/0.96 "Space Grotesk", sans-serif;
  letter-spacing: -0.05em;
  max-width: 10ch;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--teal), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 36rem;
  margin: 22px 0 0;
  font-size: clamp(1.05rem, 1.4vw, 1.23rem);
  line-height: 1.6;
  color: #e7eef8;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.feature-pills,
.stop-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.feature-pills li,
.stop-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(103, 158, 199, 0.18);
  border-radius: 999px;
  background: rgba(9, 15, 22, 0.78);
  color: #d9e8f6;
  font-size: 0.92rem;
}

.hero-panel,
.card,
.downloads {
  background: linear-gradient(180deg, rgba(13, 19, 28, 0.95), rgba(9, 14, 22, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-color: rgba(54, 221, 243, 0.34);
  box-shadow: 0 0 0 1px rgba(45, 231, 219, 0.12), 0 24px 90px rgba(46, 231, 219, 0.16);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(138, 214, 255, 0.08);
}

.window {
  display: flex;
  gap: 7px;
  margin-bottom: 16px;
}

.window span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(8, 13, 21, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-header img {
  width: 32px;
  height: 32px;
}

.panel-header strong {
  display: block;
  font: 700 1rem/1.1 "Space Grotesk", sans-serif;
}

.panel-header p,
.muted,
.flow-note,
.download-note {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.panel-body {
  display: grid;
  gap: 14px;
}

.progress-card,
.state-card {
  display: grid;
  gap: 18px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(8, 13, 21, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.progress-card {
  grid-template-columns: 172px 1fr;
  align-items: center;
}

.progress-ring {
  width: 148px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    conic-gradient(var(--teal) 0 260deg, rgba(46, 231, 219, 0.18) 260deg 360deg);
  position: relative;
  margin: 0 auto;
}

.progress-ring::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: linear-gradient(180deg, #09111b, #0b1622);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.progress-ring span {
  position: relative;
  z-index: 1;
  font: 700 2.2rem/1 "Space Grotesk", sans-serif;
}

.progress-meta {
  display: grid;
  gap: 12px;
}

.progress-meta div,
.stat-row div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.progress-meta strong,
.stat-row strong,
.tab-row strong {
  font: 700 0.88rem/1.2 "Space Grotesk", sans-serif;
  color: #e9f2fd;
}

.progress-meta span,
.stat-row span {
  color: var(--muted);
  font-size: 0.95rem;
}

.good {
  color: #54f2c8 !important;
}

.state-label {
  margin: 0;
  color: #8cb9d7;
  font: 700 0.82rem/1 "Space Grotesk", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.state-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.03rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 18px rgba(46, 231, 219, 0.95);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-top: 8px;
}

.action-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.intro-grid,
.info-grid,
.stop-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.intro-grid {
  grid-template-columns: 1fr 1.15fr;
}

.info-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stop-grid {
  grid-template-columns: minmax(0, 1.8fr) minmax(270px, 0.7fr);
  align-items: stretch;
}

.text-block,
.flow-card,
.card {
  padding: 26px;
}

.text-block h2,
.flow-card h2,
.card h2,
.downloads h2 {
  margin: 0 0 16px;
  font: 700 1.32rem/1.1 "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
  color: #dff8ff;
}

.text-block p,
.card p {
  color: #e5edf7;
  line-height: 1.7;
}

.text-block p + p {
  margin-top: 14px;
}

.flow-list,
.stack-list,
.feature-list,
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list {
  display: grid;
  gap: 10px;
}

.flow-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(7, 12, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.flow-list span {
  color: var(--cyan);
  font: 700 0.8rem/1 "Space Grotesk", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flow-list strong {
  font: 600 0.98rem/1.35 "Manrope", sans-serif;
}

.stack-list,
.feature-list,
.steps {
  display: grid;
  gap: 12px;
}

.stack-list li,
.feature-list li {
  position: relative;
  padding-left: 24px;
  line-height: 1.55;
  color: #edf4fb;
}

.stack-list li::before,
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--teal), var(--blue));
  box-shadow: 0 0 16px rgba(46, 231, 219, 0.55);
}

.callout {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  color: #4bf1d9;
  background: rgba(30, 217, 199, 0.08);
  border: 1px solid rgba(46, 231, 219, 0.18);
  font: 700 1rem/1.3 "Space Grotesk", sans-serif;
}

.tab-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 12px;
}

.tab-row {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(7, 12, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.tab-row span {
  color: #d8eef8;
  font-size: 0.95rem;
}

.steps {
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 38px;
  line-height: 1.55;
  color: #ecf4fb;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.06rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #03111d;
  font: 800 0.86rem/1 "Space Grotesk", sans-serif;
}

.wide {
  padding-right: 22px;
}

.quote-card {
  display: grid;
  place-items: center;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(54, 221, 243, 0.22);
  background: linear-gradient(180deg, rgba(9, 18, 24, 0.94), rgba(9, 16, 24, 0.88));
  text-align: center;
}

.trophy {
  font-size: 3rem;
}

.quote-card p {
  margin: 0;
  font: 700 1.18rem/1.5 "Space Grotesk", sans-serif;
  color: #62f5e9;
}

.privacy-card strong {
  display: inline-block;
  margin-top: 10px;
  color: #62f5e9;
  font: 800 1.05rem/1 "Space Grotesk", sans-serif;
}

.faq-card details {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
}

.faq-card details:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.faq-card summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: #eef6ff;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
}

.faq-card details[open] summary::after {
  content: "–";
}

.faq-card p {
  margin-top: 10px;
  color: var(--muted);
}

.downloads {
  margin-top: 22px;
  padding: 28px;
}

.downloads-copy {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

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

.download-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(7, 12, 18, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 180ms ease, border-color 180ms ease;
}

.download-card:hover,
.download-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(46, 231, 219, 0.28);
}

.download-card.primary {
  background: linear-gradient(135deg, rgba(46, 231, 219, 0.16), rgba(45, 135, 255, 0.18));
}

.download-card strong {
  font: 700 1rem/1.1 "Space Grotesk", sans-serif;
}

.download-card span {
  color: var(--muted);
  line-height: 1.45;
}

.download-note {
  margin-top: 16px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: center;
  padding: 18px 2px 0;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer a {
  color: #d8eef8;
}

@media (max-width: 1100px) {
  .hero,
  .intro-grid,
  .stop-grid {
    grid-template-columns: 1fr;
  }

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

  .nav {
    display: none;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
  }

  .topbar {
    position: static;
    flex-wrap: wrap;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.7rem, 11vw, 4rem);
  }

  .progress-card,
  .stat-row,
  .downloads-copy,
  .footer {
    grid-template-columns: 1fr;
  }

  .progress-card {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .flow-list li {
    grid-template-columns: 1fr;
  }

  .info-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .cta-row,
  .action-row {
    justify-content: stretch;
  }

  .cta-row .button,
  .action-row .button {
    flex: 1;
  }
}