:root {
  --page: #eef1f4;
  --surface: #ffffff;
  --surface-alt: #e8edf2;
  --text: #0c1a24;
  --muted: #5a6b78;
  --accent: #c45c26;
  --accent-alt: #1a6b8a;
  --line: rgba(12, 26, 36, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --section-space: clamp(4rem, 7vw, 6.5rem);
  --rail-width: clamp(220px, 18vw, 300px);
  --content-max: 1680px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

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

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

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  font-family: var(--font-sans);
  line-height: 1.6;
  background: var(--page);
  color: var(--text);
}

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

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

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

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

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 3.75rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 0.85rem;
  font-weight: 650;
}

h3 {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.25;
  font-weight: 600;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-canvas {
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  min-height: 100vh;
  width: min(100%, var(--content-max));
  margin: 0 auto;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
}

.site-rail {
  position: sticky;
  top: 0;
  align-self: start;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-height: 100vh;
  padding: clamp(1rem, 2vw, 1.75rem);
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, var(--page));
  backdrop-filter: blur(12px);
}

.rail-brand-row,
.rail-cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.brand {
  display: grid;
  grid-template-columns: minmax(0, 64px) minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 0.95rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: min(64px, 100%);
  height: min(64px, 100%);
  max-width: 64px;
  max-height: 64px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  overflow: hidden;
  flex: 0 0 auto;
}

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

.brand small {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.rail-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.rail-nav a {
  display: block;
  padding: 0.55rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.rail-nav a:hover {
  color: var(--text);
  border-color: var(--line);
  background: var(--surface);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta {
  width: 100%;
  text-align: center;
}

.header-cta,
.button-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, var(--accent-alt)));
  color: #fff;
}

.button-secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 22%, transparent);
}

.page-main {
  min-width: 0;
}

.section-inner {
  width: min(100%, calc(100% - clamp(1.25rem, 3vw, 3rem) * 2));
  margin: 0 auto;
}

.hero {
  padding: clamp(2rem, 5vw, 4rem) 0 var(--section-space);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.hero-stage {
  min-width: 0;
}

.hero-visual {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: clamp(240px, 34vw, 520px);
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 15%, color-mix(in srgb, var(--accent-alt) 16%, transparent), transparent 42%),
    linear-gradient(145deg, var(--surface), var(--surface-alt));
  box-shadow: 0 24px 64px color-mix(in srgb, var(--text) 8%, transparent);
}

.hero-panel {
  min-width: 0;
}

.eyebrow,
.section-kicker {
  display: inline-block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
  margin-bottom: 0.85rem;
  color: var(--accent-alt);
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  max-width: 42rem;
}

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

.geo-line {
  font-size: 0.82rem;
  color: var(--muted);
}

.section {
  padding: var(--section-space) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 2rem;
}

.section-heading > p {
  font-size: 1.02rem;
}

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

.component-services.variant-bento .card:nth-child(1),
.component-services.variant-bento .card:nth-child(2) {
  grid-column: span 6;
}

.component-services.variant-bento .card:nth-child(n + 3) {
  grid-column: span 4;
}

.component-benefits.variant-stagger .cards-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.component-benefits.variant-stagger .card:nth-child(even) {
  transform: translateY(1.25rem);
}

.component-scenarios.variant-feature-rows .cards-grid {
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.component-scenarios.variant-feature-rows .card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  align-items: start;
}

.component-scenarios.variant-feature-rows .card-icon {
  margin-bottom: 0;
}

.card {
  min-width: 0;
  padding: 1.35rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.card p {
  margin-bottom: 0;
}

.card-icon,
.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 0.85rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  border-radius: 12px;
}

.card-icon svg,
.step-icon svg {
  width: 26px;
  height: 26px;
}

.card-label {
  display: block;
  color: var(--accent-alt);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.55rem;
  font-weight: 700;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.45rem;
  font-size: 0.82rem;
}

.component-process.variant-vertical-track .process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: step;
}

.component-process.variant-vertical-track .process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
}

.component-process.variant-vertical-track .step-icon {
  margin-bottom: 0;
}

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

.component-geography.variant-split-panel .geo-chips {
  gap: 1.25rem;
}

.geo-chip {
  padding: 1.25rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.geo-chip strong,
.geo-chip span {
  display: block;
}

.geo-chip strong {
  margin-bottom: 0.35rem;
}

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

.component-guide.variant-split-toc .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.component-guide.variant-split-toc .section-heading {
  position: sticky;
  top: 1.5rem;
  margin-bottom: 0;
}

.guide-body {
  min-width: 0;
}

.chapter {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.chapter:first-child {
  padding-top: 0;
}

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

.faq-list {
  max-width: 56rem;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

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

.faq-list p {
  padding-right: 1.5rem;
}

.component-contact.variant-rail-form .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
  background: var(--surface);
  padding: 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.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 var(--line);
  background: var(--page);
  color: var(--text);
  padding: 0.8rem 0.85rem;
  border-radius: var(--radius-sm);
}

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

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

.site-footer {
  padding: 3.5rem 0 4rem;
  background: color-mix(in srgb, var(--surface-alt) 70%, var(--page));
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 0.85fr;
  gap: 2rem;
}

.footer-brand {
  font-size: 1.35rem;
  font-weight: 800;
}

.site-footer a {
  display: block;
  color: var(--muted);
  margin: 0.35rem 0;
  font-size: 0.9rem;
}

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

@media (min-width: 1800px) {
  .page-canvas {
    --content-max: 1920px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .section-inner {
    width: min(100%, calc(100% - 4rem));
  }
}

@media (max-width: 1100px) {
  .page-canvas {
    grid-template-columns: 1fr;
  }

  .site-rail {
    position: relative;
    min-height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .rail-brand-row {
    flex: 1 1 auto;
    flex-direction: row;
    align-items: center;
  }

  .rail-nav {
    flex: 1 1 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .rail-cta-row {
    flex: 0 0 auto;
  }

  .header-cta {
    width: auto;
  }

  .hero-layout,
  .component-guide.variant-split-toc .section-inner,
  .component-contact.variant-rail-form .contact-grid {
    grid-template-columns: 1fr;
  }

  .component-services.variant-bento .card {
    grid-column: span 6 !important;
  }

  .component-process.variant-vertical-track .process-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .cards-grid,
  .component-benefits.variant-stagger .cards-grid,
  .geo-chips,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .component-services.variant-bento .card {
    grid-column: span 12 !important;
  }

  .component-benefits.variant-stagger .card:nth-child(even) {
    transform: none;
  }

  .component-scenarios.variant-feature-rows .card {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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