:root {
  color-scheme: dark;
  --bg: #06131f;
  --bg-2: #0b2030;
  --panel: rgba(248, 255, 231, 0.08);
  --panel-strong: rgba(248, 255, 231, 0.14);
  --ink: #f8ffe7;
  --muted: #b8ccd1;
  --line: rgba(215, 247, 255, 0.15);
  --cyan: #38f2cf;
  --cyan-soft: #7ed7ff;
  --green: #b8ff6a;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  --sans: "IBM Plex Sans", "Avenir Next", "Trebuchet MS", sans-serif;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 7%, rgba(56, 242, 207, 0.22), transparent 30rem),
    radial-gradient(circle at 13% 28%, rgba(126, 215, 255, 0.17), transparent 28rem),
    linear-gradient(135deg, var(--bg), var(--bg-2) 58%, #071018);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(215, 247, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 247, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

a {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  transform: translateY(-150%);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 1rem auto 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem;
  background: rgba(6, 19, 31, 0.72);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(18px);
}

.brand,
.site-footer div {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  text-decoration: none;
}

.brand span,
.site-footer span {
  font-weight: 800;
  letter-spacing: -0.04em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
}

.site-nav a,
.header-cta {
  border-radius: 999px;
  padding: 0.72rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  background: var(--panel);
  color: var(--ink);
}

.header-cta {
  background: var(--ink);
  color: var(--bg);
}

.section-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
  gap: 2rem;
  align-items: center;
  min-height: calc(100svh - 7rem);
  padding: 5.5rem 0 4rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1,
h2 {
  max-width: 930px;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.94;
}

h1 {
  margin-bottom: 1.4rem;
  font-size: clamp(4rem, 10vw, 8.8rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 6vw, 5.6rem);
}

h3 {
  margin-bottom: 0.7rem;
  font-size: 1.12rem;
  letter-spacing: -0.03em;
}

.hero-lede,
.split-section > div:first-child p,
.final-cta p {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #062018;
  box-shadow: 0 16px 50px rgba(56, 242, 207, 0.22);
}

.button-secondary {
  background: var(--panel);
  color: var(--ink);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: 680px;
  margin: 0;
}

.trust-strip div,
.feature-grid article,
.timeline li,
.metric-card,
.faq-list details {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.trust-strip div {
  border-radius: 1.25rem;
  padding: 1rem;
}

.trust-strip dt {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 800;
}

.trust-strip dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2.2rem;
  padding: 1rem;
  background:
    linear-gradient(145deg, rgba(248, 255, 231, 0.12), rgba(248, 255, 231, 0.04)),
    rgba(5, 17, 28, 0.78);
  box-shadow: var(--shadow);
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0.75rem 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-topline strong {
  color: var(--green);
  font-size: 1rem;
}

.rank-chart {
  position: relative;
  min-height: 250px;
  margin: 1rem 0;
  border-radius: 1.4rem;
  background:
    linear-gradient(rgba(215, 247, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 247, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
}

.rank-chart svg {
  position: absolute;
  inset: 1rem;
  width: calc(100% - 2rem);
  height: calc(100% - 2rem);
}

.signal-line,
.shadow-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shadow-line {
  stroke: rgba(56, 242, 207, 0.18);
  stroke-width: 28;
}

.signal-line {
  stroke: var(--cyan);
  stroke-width: 10;
}

.rank-chart circle {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 5;
}

.serp-stack {
  display: grid;
  gap: 0.7rem;
}

.serp-stack article {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: 0.9rem;
  background: rgba(248, 255, 231, 0.07);
}

.rank-number,
.feature-grid span,
.timeline span,
.metric-label {
  color: var(--cyan-soft);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.serp-stack strong,
.serp-stack small {
  display: block;
}

.serp-stack small {
  color: var(--muted);
}

.serp-stack em {
  border-radius: 999px;
  padding: 0.35rem 0.55rem;
  background: rgba(184, 255, 106, 0.12);
  color: var(--green);
  font-size: 0.75rem;
  font-style: normal;
  font-weight: 800;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  margin: 0 auto;
}

.signal-band div {
  padding: 2rem;
}

.signal-band div + div {
  border-left: 1px solid var(--line);
}

.signal-band span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-band strong {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1;
}

.split-section,
.workflow,
.checklist-section,
.faq-section,
.final-cta {
  padding: 6.5rem 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.feature-grid article,
.timeline li,
.faq-list details {
  border-radius: 1.5rem;
  padding: 1.25rem;
}

.feature-grid p,
.timeline p,
.faq-list p,
.metric-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 2rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  min-height: 250px;
}

.checklist-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.38fr);
  gap: 1rem;
  align-items: stretch;
}

.checklist-card {
  border-radius: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(248, 255, 231, 0.13), rgba(56, 242, 207, 0.06));
  border: 1px solid var(--line);
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  border-radius: 1.1rem;
  padding: 1rem 1rem 1rem 2.4rem;
  background: rgba(6, 19, 31, 0.42);
  color: var(--muted);
}

.checklist li::before {
  position: absolute;
  top: 1.06rem;
  left: 1rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  content: "";
}

.metric-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 2rem;
  padding: 2rem;
}

.metric-card strong {
  display: block;
  color: var(--green);
  font-family: var(--serif);
  font-size: 7rem;
  letter-spacing: -0.08em;
  line-height: 0.9;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
}

.faq-list p {
  padding-top: 0.9rem;
}

.final-cta {
  text-align: center;
}

.final-cta p {
  margin-right: auto;
  margin-left: auto;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    border-radius: 1.5rem;
  }

  .site-nav {
    display: none;
  }

  .hero,
  .split-section,
  .checklist-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .signal-band,
  .timeline {
    grid-template-columns: 1fr;
  }

  .signal-band div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: min(100% - 20px, 1180px);
  }

  .brand span {
    max-width: 12.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-cta {
    display: none;
  }

  h1 {
    font-size: clamp(3.3rem, 18vw, 5.6rem);
  }

  .trust-strip,
  .feature-grid,
  .checklist {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    border-radius: 1.5rem;
    padding: 0.75rem;
  }

  .serp-stack article {
    grid-template-columns: auto 1fr;
  }

  .serp-stack em {
    grid-column: 2;
    width: max-content;
  }

  .split-section,
  .workflow,
  .checklist-section,
  .faq-section,
  .final-cta {
    padding: 4.5rem 0;
  }

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

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .hero-panel,
  .signal-band,
  .feature-grid article,
  .timeline li,
  .checklist-card,
  .metric-card,
  .faq-list details,
  .final-cta {
    animation: rise-in 700ms ease both;
  }

  .hero-panel {
    animation-delay: 120ms;
  }

  .signal-line {
    stroke-dasharray: 720;
    stroke-dashoffset: 720;
    animation: draw-line 1300ms 260ms ease forwards;
  }

  @keyframes rise-in {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes draw-line {
    to {
      stroke-dashoffset: 0;
    }
  }
}