:root {
  color-scheme: dark;
  --bg: #090d14;
  --bg-soft: #101722;
  --panel: rgba(18, 25, 36, 0.82);
  --panel-strong: #151c27;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f7f9fc;
  --muted: #aab4c3;
  --dim: #788397;
  --orange: #ff7a1a;
  --orange-soft: rgba(255, 122, 26, 0.18);
  --green: #2fd477;
  --blue: #53a7ff;
  --violet: #a98cff;
  --red: #ff4d5f;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "SF Pro Display", ui-rounded, system-ui, sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 122, 26, 0.08), transparent 320px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.026) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 72px),
    var(--bg);
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--orange);
  color: #111;
  font-weight: 700;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 13, 20, 0.84);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 700;
  transition: color 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.button.primary {
  border-color: rgba(255, 122, 26, 0.75);
  background: var(--orange);
  color: #111827;
}

.button:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 48px;
  align-items: center;
  padding: 74px 0 40px;
}

.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 122, 26, 0.42);
  border-radius: 999px;
  background: var(--orange-soft);
  color: #ffd8ba;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(3rem, 7vw, 5.9rem);
}

.hero-copy {
  max-width: 690px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  padding: 0;
  list-style: none;
}

.signal {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.product-visual {
  display: grid;
  grid-template-columns: 82px minmax(190px, 1fr);
  gap: 18px;
  align-items: start;
  margin: 0;
}

.app-icon {
  width: 82px;
  height: 82px;
  border-radius: 22px;
  box-shadow: 0 16px 42px rgba(255, 122, 26, 0.22);
}

.phone-frame {
  position: relative;
  margin: 0 auto;
  width: min(320px, 100%);
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 34px;
  background: linear-gradient(180deg, #1d2634, #070a0f);
  box-shadow: var(--shadow);
}

.phone-frame img {
  display: block;
  width: 100%;
  border-radius: 24px;
}

.phone-caption {
  grid-column: 2;
  margin-top: 12px;
  color: var(--dim);
  font-size: 0.86rem;
  line-height: 1.5;
}

.section {
  padding: 54px 0;
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(260px, 0.55fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.section-lede {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

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

.feature,
.panel,
.doc-section,
.support-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.feature,
.support-item {
  padding: 22px;
}

.feature h3,
.support-item h3,
.doc-section h2 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.feature p,
.support-item p,
.doc-section p,
.doc-section li {
  color: var(--muted);
  line-height: 1.66;
}

.feature p,
.support-item p {
  margin: 0;
}

.accent-line {
  width: 42px;
  height: 4px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: var(--orange);
}

.accent-line.green {
  background: var(--green);
}

.accent-line.blue {
  background: var(--blue);
}

.accent-line.violet {
  background: var(--violet);
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

.step {
  padding: 20px;
  border-left: 3px solid var(--orange);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.step strong {
  display: block;
  margin-bottom: 8px;
}

.step span {
  color: var(--muted);
  line-height: 1.55;
}

.panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.72fr);
  gap: 22px;
  align-items: center;
  padding: 26px;
}

.panel img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.panel p {
  color: var(--muted);
  line-height: 1.7;
}

.page-title {
  padding: 64px 0 26px;
}

.page-title h1 {
  max-width: 920px;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.page-title p {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.7;
}

.doc-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 28px;
  padding-bottom: 64px;
}

.toc {
  position: sticky;
  top: 92px;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 12px;
}

.toc a {
  display: block;
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
}

.toc a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.doc-section {
  padding: 26px;
  margin-bottom: 16px;
}

.doc-section h2 {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.doc-section ul,
.support-item ul {
  margin: 12px 0 0 20px;
  padding: 0;
}

.doc-section li,
.support-item li {
  margin: 8px 0;
}

.notice {
  padding: 16px;
  border: 1px solid rgba(255, 122, 26, 0.42);
  border-radius: 8px;
  background: var(--orange-soft);
  color: #ffe2cc;
  line-height: 1.6;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 30px 0;
  color: var(--dim);
}

.footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 880px) {
  .hero,
  .section-header,
  .panel,
  .doc-layout {
    grid-template-columns: 1fr;
  }

  .grid,
  .grid.two,
  .workflow,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .product-visual {
    grid-template-columns: 64px 1fr;
  }

  .phone-caption {
    grid-column: 1 / -1;
  }

  .app-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
  }
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .nav-links a,
  .button {
    min-height: 38px;
    padding: 0 10px;
    font-size: 0.88rem;
  }

  .hero {
    padding-top: 42px;
  }

  .doc-section,
  .feature,
  .support-item,
  .panel {
    padding: 18px;
  }
}