:root {
  --page: #faf6f0;
  --surface: #ffffff;
  --surface-alt: #f0ebe3;
  --text: #1a1f24;
  --muted: #5c6670;
  --accent: #c45d3e;
  --accent-alt: #5b8a72;
  --accent-soft: #e8d4c8;
  --ink-inverse: #faf6f0;
  --radius: 18px;
  --radius-sm: 10px;
  --section-space: clamp(4rem, 8vw, 7rem);
  --rail: 6px;
  --shadow: 0 18px 48px rgba(26, 31, 36, 0.08);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  line-height: 1.65;
  font-family: var(--font-body);
  background: var(--page);
  color: var(--text);
}

body,
button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg,
video,
canvas,
iframe {
  display: block;
  max-width: 100%;
  height: auto;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.4rem, 5.8vw, 4.6rem);
  margin-bottom: 1.25rem;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.85rem, 3.6vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-bottom: 0.75rem;
}

p {
  color: var(--muted);
}

.atlas-page {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(196, 93, 62, 0.08), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(91, 138, 114, 0.1), transparent 24%),
    linear-gradient(180deg, var(--page), #f3ece2 52%, var(--page));
}

.atlas-rail {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail);
  background: linear-gradient(180deg, var(--accent), var(--accent-alt));
  z-index: 40;
}

.section-inner,
.header-inner {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--page) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 1.05rem;
}

.brand small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  overflow: hidden;
  flex: 0 0 auto;
}

.brand-logo svg {
  width: 100%;
  height: 100%;
}

.site-header nav {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
}

.site-header nav a {
  font-size: 0.78rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
}

.site-header nav a:hover {
  color: var(--text);
  border-color: var(--accent);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.82rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.header-cta {
  background: var(--accent);
  color: var(--ink-inverse);
  border-color: var(--accent);
}

.button-primary {
  background: var(--accent);
  color: var(--ink-inverse);
  border-color: var(--accent);
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: color-mix(in srgb, var(--text) 18%, transparent);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.atlas-main {
  padding-bottom: 2rem;
}

.atlas-hero {
  padding: calc(var(--section-space) * 0.55) 0 var(--section-space);
}

.atlas-hero-frame {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.atlas-hero-copy-col {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--surface);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
}

.atlas-hero-copy-col::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  border-radius: calc(var(--radius) + 6px) 0 0 calc(var(--radius) + 6px);
  background: linear-gradient(180deg, var(--accent), var(--accent-alt));
}

.eyebrow,
.section-kicker {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: var(--accent-alt);
  margin-bottom: 1rem;
}

.lead {
  font-size: clamp(1.02rem, 1.7vw, 1.22rem);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 1rem;
}

.geo-line {
  font-size: 0.82rem;
  color: var(--muted);
  padding-top: 0.5rem;
  border-top: 1px dashed color-mix(in srgb, var(--text) 14%, transparent);
}

.atlas-hero-visual-col {
  position: relative;
}

.atlas-hero-visual-col::after {
  content: "";
  position: absolute;
  inset: 8% -4% -6% 6%;
  border: 2px solid color-mix(in srgb, var(--accent-alt) 35%, transparent);
  border-radius: calc(var(--radius) + 10px);
  pointer-events: none;
  z-index: 0;
}

.hero-visual {
  position: relative;
  z-index: 1;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: calc(var(--radius) + 4px);
  background: var(--surface-alt);
  box-shadow: var(--shadow);
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

.section {
  padding: var(--section-space) 0;
}

.atlas-band:nth-child(even) {
  background: color-mix(in srgb, var(--surface-alt) 55%, transparent);
}

.atlas-band-inner {
  display: grid;
  gap: 2rem;
}

.section-heading {
  max-width: 760px;
}

.section-heading > p {
  font-size: 1.05rem;
}

.fact-disclaimer {
  font-size: 0.78rem !important;
  padding: 0.65rem 0.85rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stat {
  padding: 1.35rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  box-shadow: 0 8px 24px rgba(26, 31, 36, 0.04);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.stat span {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.cards-grid .card {
  grid-column: span 6;
  min-width: 0;
  padding: 1.45rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cards-grid .card:nth-child(4n + 1) {
  grid-column: span 7;
}

.cards-grid .card:nth-child(4n + 2) {
  grid-column: span 5;
  transform: translateY(12px);
}

.cards-grid .card:nth-child(4n + 3) {
  grid-column: span 5;
}

.cards-grid .card:nth-child(4n) {
  grid-column: span 7;
  transform: translateY(-8px);
}

.cards-grid .card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card p {
  margin-bottom: 0;
}

.card-icon,
.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  color: var(--accent-alt);
  border: 1px solid color-mix(in srgb, var(--accent-alt) 28%, transparent);
  background: color-mix(in srgb, var(--accent-alt) 10%, transparent);
  border-radius: 12px;
}

.card-icon svg,
.step-icon svg {
  width: 28px;
  height: 28px;
}

.card-label {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.65rem;
  font-weight: 700;
}

.card-value {
  display: block;
  margin-top: 1rem;
  color: var(--accent-alt);
  font-size: 1.05rem;
  font-weight: 700;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.35rem;
}

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

.process-list li {
  display: flex;
  gap: 0.85rem;
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  border-top: 4px solid var(--accent);
}

.step-icon {
  flex: 0 0 44px;
  margin-bottom: 0;
}

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

.geo-chip {
  padding: 1.25rem 1.35rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--accent-alt) 22%, transparent);
}

.geo-chip strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
}

.geo-chip span {
  color: var(--muted);
  font-size: 0.92rem;
}

.guide-body {
  display: grid;
  gap: 1rem;
}

.chapter {
  padding: 1.35rem 1.35rem 1.35rem 1.1rem;
  background: var(--surface);
  border-radius: var(--radius);
  border-left: 4px solid color-mix(in srgb, var(--accent) 70%, var(--accent-alt));
}

.chapter li {
  color: var(--muted);
  margin: 0.45rem 0;
}

.faq-list {
  max-width: 920px;
  display: grid;
  gap: 0.35rem;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.faq-list p {
  padding-right: 1rem;
  margin-bottom: 0;
}

.atlas-calculator-shell,
.atlas-contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.atlas-calculator-panel,
.atlas-form-panel {
  position: sticky;
  top: 96px;
}

.calculator-form,
.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--surface);
  padding: 1.5rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  box-shadow: var(--shadow);
}

.calculator-form label,
.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--text) 16%, transparent);
  background: var(--page);
  color: var(--text);
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-sm);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

output {
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 800;
  padding-top: 0.35rem;
}

.form-message {
  color: var(--accent-alt);
  margin: 0;
}

.site-footer {
  padding: 4rem 0;
  background: color-mix(in srgb, var(--text) 92%, transparent);
  color: var(--ink-inverse);
  border-top: 4px solid var(--accent);
}

.site-footer p,
.site-footer a {
  color: color-mix(in srgb, var(--ink-inverse) 78%, transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-inverse);
}

.site-footer h3 {
  color: var(--ink-inverse);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer a {
  display: block;
  margin: 0.35rem 0;
}

.site-footer a:hover {
  color: var(--ink-inverse);
}

@media (max-width: 1000px) {
  .site-header nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

  .atlas-hero-frame,
  .atlas-calculator-shell,
  .atlas-contact-shell {
    grid-template-columns: 1fr;
  }

  .atlas-calculator-panel,
  .atlas-form-panel {
    position: static;
  }

  .cards-grid .card,
  .cards-grid .card:nth-child(n) {
    grid-column: span 6;
    transform: none;
  }

  .stats-grid,
  .process-list,
  .geo-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .section-inner,
  .header-inner {
    width: min(100% - 1.75rem, 1180px);
  }

  .atlas-rail {
    width: 4px;
  }

  .hero-visual {
    min-height: 240px;
  }

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

  .cards-grid .card,
  .cards-grid .card:nth-child(n) {
    grid-column: auto;
  }

  .stats-grid,
  .process-list,
  .geo-chips,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .header-cta,
  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .cards-grid .card:hover,
  .header-cta:hover,
  .button:hover {
    transform: none;
  }
}