:root {
  --night-navy: #0d1626;
  --shelf-slate: #16233a;
  --lamp-gold: #d3a95a;
  --gilt-soft: #eed9a4;
  --parchment-ink: #f3ebd9;
  --dusk-muted: #aab4c7;
  --oxblood-edge: #6a2b36;
  --page-corner: 14px;
  --line-faint: rgba(211, 169, 90, 0.28);
  --glow-warm: rgba(211, 169, 90, 0.16);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body.atlas-body {
  margin: 0;
  background: var(--night-navy);
  color: var(--parchment-ink);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: clamp(1.125rem, 1.6vw, 1.4rem);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.atlas-main {
  display: block;
  width: 100%;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "Lora", Georgia, serif;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--parchment-ink);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(2rem, 4.2vw, 3.6rem);
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  color: var(--gilt-soft);
}

p {
  margin: 0 0 1.1em;
  max-width: 38rem;
}

a:focus-visible {
  outline: 3px solid var(--gilt-soft);
  outline-offset: 4px;
}

.atlas-screen {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 5vw, 4rem);
  overflow: hidden;
  isolation: isolate;
}

.atlas-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(60% 50% at 18% 22%, var(--glow-warm), transparent 70%);
}

.atlas-band-alt {
  background-color: var(--shelf-slate);
}

.atlas-band-alt::before {
  background: radial-gradient(55% 45% at 82% 78%, var(--glow-warm), transparent 70%);
}

/* Hero */
.atlas-hero {
  background: var(--night-navy);
}

.atlas-hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: saturate(0.8) brightness(0.55);
}

.atlas-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(13, 22, 38, 0.94) 10%, rgba(13, 22, 38, 0.55) 70%, rgba(13, 22, 38, 0.8));
}

.atlas-hero-inner {
  display: grid;
  gap: 3rem;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  align-items: center;
}

.atlas-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lamp-gold);
  margin-bottom: 1rem;
}

.atlas-lead {
  color: var(--dusk-muted);
}

.atlas-cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 1.1rem 2.4rem;
  background: var(--lamp-gold);
  color: var(--night-navy);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--page-corner);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.atlas-cta:hover {
  background: var(--gilt-soft);
  transform: translateY(-2px);
}

/* Book cover (pure CSS) */
.atlas-cover {
  position: relative;
  justify-self: center;
  width: min(70vw, 300px);
  aspect-ratio: 2 / 3;
  padding: 2.2rem 1.6rem 1.8rem 2.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--page-corner) 6px 6px var(--page-corner);
  background: linear-gradient(160deg, #1f4a5c 0%, #133142 55%, #0b1d29 100%);
  box-shadow: 0 35px 60px -25px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(211, 169, 90, 0.35) inset;
  color: var(--parchment-ink);
  text-align: left;
}

.atlas-cover::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 18px;
  background: linear-gradient(90deg, #7a5a22, #d3a95a 45%, #7a5a22);
  border-radius: var(--page-corner) 0 0 var(--page-corner);
}

.atlas-cover::after {
  content: "";
  position: absolute;
  inset: 14px 14px 14px 36px;
  border: 1px solid rgba(238, 217, 164, 0.45);
  border-radius: 8px;
  pointer-events: none;
}

.atlas-cover-label {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gilt-soft);
}

.atlas-cover-title {
  font-family: "Lora", Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--gilt-soft);
}

.atlas-cover-sub {
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--parchment-ink);
  opacity: 0.85;
}

/* Split layouts */
.atlas-split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
}

.atlas-text {
  max-width: 38rem;
}

.atlas-rule {
  width: 4rem;
  height: 1px;
  background: var(--lamp-gold);
  margin: 0 0 1.5rem;
  border: 0;
}

.atlas-figure {
  margin: 0;
}

.atlas-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--page-corner);
  border: 1px solid var(--line-faint);
  box-shadow: 0 30px 60px -28px rgba(0, 0, 0, 0.85);
}

.atlas-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.9rem;
}

.atlas-list li {
  padding-left: 1.4rem;
  position: relative;
}

.atlas-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.6rem;
  height: 1px;
  background: var(--lamp-gold);
}

.atlas-chapters {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  gap: 1.4rem;
}

.atlas-chapter {
  padding-left: 1.25rem;
  border-left: 2px solid var(--lamp-gold);
}

.atlas-chapter h3 {
  margin-bottom: 0.3em;
}

.atlas-chapter p {
  margin: 0;
}

.atlas-quote {
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-faint);
}

.atlas-quote p {
  font-family: "Lora", Georgia, serif;
  font-style: italic;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.4;
  color: var(--gilt-soft);
  margin: 0 0 0.8em;
}

.atlas-quote cite {
  font-style: normal;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--dusk-muted);
}

/* Order form */
.atlas-order-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
}

.atlas-order-aside .atlas-cover {
  width: min(60vw, 240px);
}

.atlas-form {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line-faint);
  border-radius: var(--page-corner);
  background: rgba(13, 22, 38, 0.6);
  margin-bottom: 1.2rem;
}

.atlas-form label {
  font-weight: 500;
  color: var(--gilt-soft);
}

.atlas-form input {
  width: 100%;
  min-height: 3.5rem;
  padding: 0.8rem 1.1rem;
  font: inherit;
  font-size: 1.125rem;
  color: var(--parchment-ink);
  background: #0a1321;
  border: 1px solid rgba(211, 169, 90, 0.45);
  border-radius: var(--page-corner);
}

.atlas-form input::placeholder {
  color: #6f7b92;
}

.atlas-form input:focus-visible {
  outline: 3px solid var(--gilt-soft);
  outline-offset: 3px;
  border-color: var(--gilt-soft);
}

.atlas-form button {
  min-height: 3.5rem;
  font: inherit;
  font-weight: 600;
  font-size: 1.125rem;
  padding: 0.8rem 1.5rem;
  background: var(--lamp-gold);
  color: var(--night-navy);
  border: 0;
  border-radius: var(--page-corner);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.atlas-form button:hover {
  background: var(--gilt-soft);
}

.atlas-form button:focus-visible {
  outline: 3px solid var(--parchment-ink);
  outline-offset: 3px;
}

.atlas-consent {
  font-size: 0.95rem;
  color: var(--dusk-muted);
  max-width: none;
}

.atlas-consent a,
.atlas-footer a,
.legal-back {
  color: var(--gilt-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Footer */
.atlas-footer {
  padding: 2.5rem clamp(1.25rem, 5vw, 4rem);
  border-top: 1px solid var(--line-faint);
  text-align: center;
  font-size: 0.95rem;
  color: var(--dusk-muted);
  background: #0a1220;
}

.atlas-footer p {
  max-width: none;
  margin: 0.4rem auto;
}

.atlas-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.8rem;
  margin-bottom: 1rem !important;
}

.atlas-fine {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Legal pages */
.legal-wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 5vw, 2rem);
}

.legal-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 1.2rem;
}

.legal-back {
  display: inline-block;
  margin-bottom: 2rem;
}

.legal-section {
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-faint);
  margin-top: 1.8rem;
}

.legal-section h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.8rem);
}

.legal-section p {
  max-width: none;
}

/* Wider screens */
@media (min-width: 900px) {
  .atlas-hero-inner {
    grid-template-columns: 1.25fr 1fr;
  }

  .atlas-split {
    grid-template-columns: 1fr 1fr;
  }

  .atlas-split-rev .atlas-text {
    order: 2;
  }

  .atlas-order-grid {
    grid-template-columns: 0.8fr 1.2fr;
  }
}