:root {
  --bg: #02050a;
  --panel: #07111f;
  --panel-strong: #0a1728;
  --text: #eef6ff;
  --muted: #9db0c6;
  --line: #24364d;
  --blue: #2f8cff;
  --blue-strong: #0b63ff;
  --green: #43d955;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(47, 140, 255, 0.12), rgba(2, 5, 10, 0) 38rem),
    radial-gradient(circle at 12% 18%, rgba(67, 217, 85, 0.1), transparent 22rem),
    var(--bg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

a {
  color: inherit;
}

.lang-switch {
  display: inline-flex;
  gap: 1px;
  margin-bottom: 1.25rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.lang-switch a {
  min-width: 3rem;
  padding: 0.55rem 0.75rem;
  background: rgba(7, 17, 31, 0.92);
  color: var(--muted);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.lang-switch a.is-active {
  background: var(--blue-strong);
  color: var(--white);
}

main {
  overflow: hidden;
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(18rem, 0.96fr) minmax(20rem, 0.9fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.hero__visual {
  border: 1px dashed rgba(238, 246, 255, 0.62);
  background: rgba(0, 0, 0, 0.72);
  box-shadow: 0 0 0 1px rgba(47, 140, 255, 0.22), 0 24px 80px rgba(0, 0, 0, 0.48);
}

.hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero__content {
  padding-block: 2rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--green);
  font-size: 0.82rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1.2rem;
  color: var(--white);
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

h3 {
  margin-bottom: 0.65rem;
  color: var(--white);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lead {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.65;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  padding: 0.8rem 1.1rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.button--primary {
  border-color: var(--blue);
  background: linear-gradient(145deg, rgba(6, 13, 25, 0.95), rgba(11, 99, 255, 0.88));
  color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1), 0 0 26px rgba(47, 140, 255, 0.32);
}

.button--bot {
  gap: 0.7rem;
}

.button-icon {
  display: inline-grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(47, 140, 255, 0.5);
  background: linear-gradient(145deg, rgba(6, 13, 25, 0.95), rgba(12, 29, 48, 0.95));
  color: var(--green);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 0 16px rgba(67, 217, 85, 0.16);
  font-size: 0.8rem;
}

.button--ghost {
  background: rgba(7, 17, 31, 0.76);
  color: var(--text);
}

.terminal-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.terminal-list span {
  color: var(--green);
}

.band,
.workflow,
.api-band,
.mid-cta,
.seo-section,
.security {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 3vw, 2rem);
}

.section-head {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.check-grid article {
  min-height: 10rem;
  padding: 1.35rem;
  background: rgba(7, 17, 31, 0.94);
}

.steps p,
.security p {
  color: var(--muted);
  line-height: 1.55;
}

.checker-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checker-list li {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.7rem;
  align-items: center;
  min-height: 2.25rem;
  color: var(--muted);
  line-height: 1.25;
}

.checker-icon {
  display: inline-grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(47, 140, 255, 0.34);
  background: linear-gradient(145deg, rgba(6, 13, 25, 0.92), rgba(12, 29, 48, 0.92));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06), 0 0 18px rgba(47, 140, 255, 0.12);
}

.checker-icon img {
  display: block;
  width: 78%;
  height: 78%;
  object-fit: contain;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(20rem, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
}

.mid-cta {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) auto;
  gap: 1.25rem;
  align-items: center;
  border-top: 1px dashed rgba(238, 246, 255, 0.35);
  border-bottom: 1px dashed rgba(238, 246, 255, 0.35);
}

.mid-cta h2 {
  margin-bottom: 0;
}

.api-band {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(20rem, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(36, 54, 77, 0.75);
  border-bottom: 1px solid rgba(36, 54, 77, 0.75);
}

.api-panel {
  border: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.78);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.api-panel p {
  margin-bottom: 1.5rem;
  color: var(--muted);
  line-height: 1.6;
}

.seo-section {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  border-bottom: 1px solid rgba(36, 54, 77, 0.75);
}

.seo-cta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-width: max-content;
}

.seo-section .section-head {
  margin-bottom: 0;
}

.seo-section .section-head p {
  max-width: 54rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

.steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.steps span {
  color: var(--blue);
  font-weight: 800;
}

.final-band {
  display: grid;
  gap: 1.5rem;
  justify-items: center;
  border-top: 1px dashed rgba(238, 246, 255, 0.4);
  text-align: center;
}

.final-band p {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: 0;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.not-found__inner {
  max-width: 44rem;
}

@media (max-width: 860px) {
  .hero,
  .workflow,
  .api-band,
  .mid-cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__visual {
    order: 2;
  }

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

}

@media (max-width: 560px) {
  h1 {
    font-size: 3rem;
  }

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

  .seo-section {
    grid-template-columns: 1fr;
  }

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

  .button {
    width: 100%;
  }
}