*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #5b6472;
  --line: #d9dee8;
  --dark: #10151f;
  --dark-2: #161d2a;
  --dark-line: #293244;
  --blue: #38bdf8;
  --blue-2: #38bdf8;
  --green: #16a34a;
  --orange: #ea580c;
  --max: 1120px;
  --radius: 8px;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.narrow {
  max-width: 780px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--dark-line);
  background: rgba(16, 21, 31, .96);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: var(--max);
  min-height: 58px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #f8fafc;
  font-weight: 800;
  line-height: 1;
}

.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}

.brand-pre {
  color: var(--blue);
}

.brand-code {
  color: var(--green);
}

.brand img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
}

.brand:hover {
  color: #ffffff;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 22px;
}

.nav-links a {
  color: #a7b0c0;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover {
  color: #ffffff;
  text-decoration: none;
}

.language-nav {
  position: relative;
  margin-left: auto;
}

.language-trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid #46546b;
  border-radius: var(--radius);
  color: #dbeafe;
  background: rgba(255, 255, 255, .06);
  font: 700 13px/1 var(--sans);
  cursor: pointer;
}

.language-trigger:hover,
.language-trigger[aria-expanded="true"] {
  border-color: var(--blue);
  color: #ffffff;
  background: rgba(56, 189, 248, .12);
}

.language-trigger svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.language-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 80;
  min-width: 142px;
  padding: 6px;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  background: var(--dark-2);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .24);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

.language-nav.open .language-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-menu a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: #a7b0c0;
  font-size: 14px;
  font-weight: 650;
}

.language-menu a:hover,
.language-menu a[aria-current="page"] {
  color: #ffffff;
  background: rgba(56, 189, 248, .12);
  text-decoration: none;
}

.hero {
  padding: 86px 0 76px;
  color: #f8fafc;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, .18), transparent 38%),
    var(--dark);
}

.hero-grid,
.kit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, .88fr);
  gap: 44px;
  align-items: center;
}

.eyebrow,
.section-label,
.card-kicker,
.live-badge {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin-top: 12px;
  font-size: clamp(2.25rem, 5.4vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-sub {
  max-width: 680px;
  margin-top: 22px;
  color: #c3cada;
  font-size: 1.1rem;
  line-height: 1.75;
}

.hero-actions,
.center-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 800;
}

.btn-primary {
  color: #ffffff;
  background: var(--blue);
}

.btn-primary:hover {
  background: var(--blue-2);
  color: #ffffff;
  text-decoration: none;
}

.btn-secondary {
  border: 1px solid var(--dark-line);
  color: #dbeafe;
  background: rgba(255, 255, 255, .06);
}

.btn-secondary:hover {
  border-color: #46546b;
  color: #ffffff;
  text-decoration: none;
}

.trust-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  list-style: none;
}

.trust-list li {
  padding: 5px 10px;
  border: 1px solid var(--dark-line);
  border-radius: 999px;
  color: #a7b0c0;
  font-size: 13px;
}

.hero-panel,
.signup-card {
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  background: var(--dark-2);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .22);
}

.hero-panel {
  padding: 24px;
}

.panel-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--dark-line);
  color: #dbeafe;
  font-size: 14px;
  font-weight: 800;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, .16);
}

.flow-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  list-style: none;
}

.flow-list li {
  display: grid;
  gap: 3px;
  padding: 14px;
  border: 1px solid var(--dark-line);
  border-radius: 7px;
  background: rgba(255, 255, 255, .035);
}

.flow-list strong {
  color: #ffffff;
}

.flow-list span {
  color: #a7b0c0;
  font-size: 14px;
}

.section {
  padding: 74px 0;
}

.problem,
.tools {
  background: var(--surface);
}

.solution,
.kit {
  background: var(--bg);
}

.workflow {
  color: #f8fafc;
  background: var(--dark);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section h2 {
  margin-top: 8px;
  font-size: clamp(1.7rem, 3.4vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.section-head p:not(.section-label),
.narrow p:not(.section-label),
.kit-grid > div p:not(.section-label) {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1rem;
}

.workflow .section-head p:not(.section-label),
.workflow .step p {
  color: #a7b0c0;
}

.feature-grid,
.steps,
.tool-grid {
  display: grid;
  gap: 18px;
}

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

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

.tool-grid {
  grid-template-columns: 1.3fr .7fr;
}

.feature-card,
.step,
.tool-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-card {
  padding: 24px;
}

.primary-card {
  border-color: rgba(56, 189, 248, .45);
  box-shadow: 0 16px 44px rgba(56, 189, 248, .08);
}

.feature-card h3,
.step h3,
.tool-card h3,
.signup-card h3 {
  margin-top: 8px;
  font-size: 1.1rem;
  line-height: 1.28;
}

.feature-card p,
.tool-card p,
.signup-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.center-actions {
  justify-content: center;
}

.step {
  padding: 22px;
  border-color: var(--dark-line);
  background: var(--dark-2);
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--blue);
  font-weight: 900;
}

.step h3 {
  color: #ffffff;
}

.tool-card {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px;
}

.secondary-tool {
  background: #fbfcff;
}

.live-badge {
  display: inline-flex;
  color: var(--green);
}

.live-badge.muted {
  color: var(--orange);
}

.tool-card a {
  align-self: flex-end;
  flex-shrink: 0;
  font-weight: 800;
}

.kit-grid {
  align-items: start;
}

.signup-card {
  padding: 24px;
  color: #f8fafc;
}

.signup-card p {
  color: #a7b0c0;
}

.signup-card label {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  color: #c3cada;
  font-size: 13px;
  font-weight: 800;
}

.form-input {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  color: #f8fafc;
  background: #0c111b;
  font: 15px var(--sans);
  outline: none;
}

.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, .22);
}

.form-submit {
  width: 100%;
  min-height: 46px;
  margin-top: 16px;
  border: 0;
  border-radius: var(--radius);
  color: #ffffff;
  background: var(--blue);
  cursor: pointer;
  font: 800 15px var(--sans);
}

.form-submit:hover {
  background: var(--blue-2);
}

.form-submit:disabled {
  cursor: wait;
  opacity: .72;
}

.form-note {
  min-height: 20px;
  font-size: 12px;
}

.footer {
  padding: 34px 0;
  color: #a7b0c0;
  background: var(--dark);
  border-top: 1px solid var(--dark-line);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-brand {
  flex-shrink: 0;
}

.footer-links {
  display: flex;
  gap: 16px;
  margin-left: auto;
}

.footer-links a {
  color: #c3cada;
  font-size: 14px;
  font-weight: 700;
}

.footer p {
  max-width: 360px;
  color: #7f8a9d;
  font-size: 13px;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero-grid,
  .kit-grid,
  .tool-grid {
    grid-template-columns: 1fr;
  }

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

  .tool-card {
    flex-direction: column;
  }

  .tool-card a {
    align-self: flex-start;
  }

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

  .footer-links {
    margin-left: 0;
  }
}

@media (max-width: 620px) {
  .container,
  .nav {
    padding-left: 18px;
    padding-right: 18px;
  }

  .language-nav {
    gap: 9px;
  }

  .hero {
    padding: 62px 0 54px;
  }

  .hero h1 {
    font-size: 2.05rem;
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .section {
    padding: 54px 0;
  }

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