:root {
  --atlas-ink: #e7dcc7;
  --atlas-muted: #b4ab9a;
  --atlas-bg-0: #0d1117;
  --atlas-bg-1: #141b23;
  --atlas-bg-2: #1b252f;
  --atlas-edge: #3c4a56;
  --atlas-accent: #b6986e;
  --atlas-accent-strong: #d7bf8f;
  --atlas-danger: #8e5f5f;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.38);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  color: var(--atlas-ink);
  background:
    radial-gradient(1100px 560px at 10% -8%, rgba(163, 139, 101, 0.20), rgba(0, 0, 0, 0) 55%),
    radial-gradient(840px 420px at 100% 0%, rgba(105, 130, 146, 0.12), rgba(0, 0, 0, 0) 55%),
    linear-gradient(180deg, var(--atlas-bg-1), var(--atlas-bg-0));
  font: 16px/1.6 "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(220, 200, 162, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 200, 162, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mix-blend-mode: soft-light;
  opacity: 0.6;
  z-index: -1;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}

.skip-link:focus {
  left: 16px;
  top: 12px;
  z-index: 30;
  padding: 8px 12px;
  background: #fff;
  color: #111;
  border-radius: 8px;
}

a {
  color: var(--atlas-accent-strong);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid #f3cf8f;
  outline-offset: 2px;
}

.atlas-topbar {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 1.2rem auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--atlas-edge);
  border-radius: 999px;
  background: rgba(14, 20, 28, 0.72);
  backdrop-filter: blur(6px);
}

.back-link {
  text-decoration: none;
  color: var(--atlas-ink);
  border: 1px solid var(--atlas-edge);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  background: rgba(215, 191, 143, 0.08);
}

.back-link:hover {
  background: rgba(215, 191, 143, 0.18);
}

.topbar-mark {
  color: var(--atlas-muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.topbar-links {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-links a {
  text-decoration: none;
  color: var(--atlas-ink);
  border: 1px solid var(--atlas-edge);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  background: rgba(215, 191, 143, 0.08);
  font-size: 0.88rem;
}

.topbar-links a:hover,
.topbar-links a:focus-visible {
  background: rgba(215, 191, 143, 0.18);
}

main {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 1.1rem auto 4.5rem;
  display: grid;
  gap: 1rem;
}

.hero-atlas,
.atlas-panel {
  border: 1px solid var(--atlas-edge);
  background:
    linear-gradient(145deg, rgba(21, 28, 36, 0.96), rgba(13, 18, 25, 0.96));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-atlas {
  padding: clamp(1.6rem, 3.4vw, 2.8rem);
  position: relative;
  overflow: hidden;
}

.hero-atlas::after {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215, 191, 143, 0.22), rgba(215, 191, 143, 0) 70%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--atlas-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.22;
}

h1 {
  font-size: clamp(1.95rem, 4.5vw, 3.4rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.95rem);
}

h3 {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-copy {
  margin: 1rem 0 1.25rem;
  color: #d2c8b7;
  max-width: 64ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.atlas-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  padding: 0.58rem 1rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.atlas-cta-primary {
  color: #17120a;
  background: linear-gradient(180deg, #d7bf8f, #b59464);
}

.atlas-cta-secondary {
  color: var(--atlas-ink);
  border: 1px solid var(--atlas-edge);
  background: rgba(183, 171, 154, 0.08);
}

.atlas-cta-primary:hover {
  filter: brightness(1.08);
}

.atlas-cta-secondary:hover {
  background: rgba(183, 171, 154, 0.16);
}

.hero-signals {
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-signals li {
  border: 1px solid var(--atlas-edge);
  border-radius: 999px;
  padding: 0.27rem 0.72rem;
  color: var(--atlas-muted);
  font-size: 0.86rem;
  background: rgba(96, 110, 123, 0.09);
}

.atlas-panel {
  padding: clamp(1.1rem, 2.3vw, 1.6rem);
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
}

.problem-ledger {
  border: 1px solid var(--atlas-edge);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: rgba(74, 56, 49, 0.22);
}

.problem-ledger h3 {
  margin-bottom: 0.55rem;
}

.problem-ledger ul,
.clean-list {
  margin: 0;
  padding-left: 1.05rem;
}

.problem-ledger li,
.clean-list li {
  margin: 0.35rem 0;
}

.rail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.rail-card {
  border: 1px solid var(--atlas-edge);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  background: rgba(35, 46, 58, 0.52);
  transition: transform 220ms ease, border-color 220ms ease;
}

.rail-card p {
  margin: 0.5rem 0 0;
  color: #d0c8ba;
}

.workflow-track {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.workflow-track li {
  border: 1px solid var(--atlas-edge);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  background: rgba(25, 34, 43, 0.82);
}

.workflow-track p {
  margin: 0.45rem 0 0;
  color: #d0c8ba;
}

.atlas-figure {
  margin: 0;
  border: 1px solid var(--atlas-edge);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(12, 17, 23, 0.8);
}

.atlas-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.atlas-figure figcaption {
  margin: 0;
  padding: 0.55rem 0.75rem 0.75rem;
  color: var(--atlas-muted);
  font-size: 0.86rem;
}

.proof-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.proof-grid article {
  border: 1px solid var(--atlas-edge);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  background: rgba(24, 31, 40, 0.72);
}

.proof-value {
  margin: 0;
  font: 700 clamp(1.2rem, 2.5vw, 1.95rem)/1.1 Georgia, "Times New Roman", serif;
  color: var(--atlas-accent-strong);
}

.proof-label {
  margin: 0.3rem 0 0;
  color: var(--atlas-muted);
}

.support-note {
  margin: 0.85rem 0 0;
  color: #cfc5b4;
}

.faq-stack {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.55rem;
}

.faq-stack details {
  border: 1px solid var(--atlas-edge);
  border-radius: var(--radius-md);
  background: rgba(23, 31, 40, 0.8);
  padding: 0.5rem 0.8rem;
}

.faq-stack summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-stack p {
  margin: 0.55rem 0 0.3rem;
  color: #d0c8ba;
}

.final-cta {
  border-color: #6a5840;
  background:
    linear-gradient(155deg, rgba(39, 32, 24, 0.94), rgba(14, 17, 22, 0.95));
}

code {
  font-family: "Courier New", Courier, monospace;
  color: #ebdeca;
}

@media (max-width: 930px) {
  .panel-grid,
  .rail-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .atlas-topbar {
    border-radius: 16px;
    flex-wrap: wrap;
  }

  .topbar-links {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .rail-card:hover {
    transform: translateY(-4px);
    border-color: #8f7b5a;
  }

  .atlas-cta,
  .back-link,
  .faq-stack details,
  .proof-grid article {
    transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}