/* Forma-inspired rail layout — system fonts only, no external URLs */
:root {
  --page: #f3f3f5;
  --surface: #ffffff;
  --surface-accent: #dad7f7;
  --text: #00012f;
  --muted: #929293;
  --accent: #7751e2;
  --accent-glow: #8b60ff;
  --accent-deep: #15004f;
  --line: #dbdbdd;
  --radius: 1rem;
  --radius-pill: 3.25rem;
  --rail-width: clamp(220px, 18vw, 280px);
  --content-max: 1680px;
  --section-space: clamp(4rem, 6vw, 6.5rem);
  --font-display: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.2, 0, 0, 1);
}

*,
*::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-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--page);
}

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-weight: 300;
  font-size: clamp(2.25rem, 4.8vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

h3 {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

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

.page-shell {
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  min-height: 100vh;
  max-width: 2160px;
  margin: 0 auto;
}

.site-rail {
  position: sticky;
  top: 0;
  align-self: start;
  z-index: 40;
  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-inner {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  height: 100%;
  min-width: 0;
}

.brand {
  display: grid;
  grid-template-columns: min(64px, 100%) 1fr;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: min(64px, 100%);
  height: min(64px, 100%);
  max-width: 64px;
  max-height: 64px;
  border-radius: calc(var(--radius) * 0.75);
  overflow: hidden;
  flex-shrink: 0;
}

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

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

.site-rail nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
  min-width: 0;
}

.site-rail nav a {
  display: block;
  padding: 0.55rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: calc(var(--radius) * 0.65);
  transition: color var(--ease) 150ms, border-color var(--ease) 150ms, background var(--ease) 150ms;
}

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

.rail-cta,
.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.88rem;
  transition: transform var(--ease) 150ms, background var(--ease) 150ms;
}

.rail-cta {
  margin-top: auto;
  width: 100%;
  text-align: center;
}

.button-primary,
.rail-cta,
.header-cta {
  background: linear-gradient(135deg, var(--accent-glow), var(--accent-deep));
  color: #fff;
  border-color: transparent;
}

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

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

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

.page-main {
  width: min(var(--content-max), calc(100% - clamp(1.25rem, 3vw, 3rem) * 2));
  margin: 0 auto;
  padding-bottom: 2rem;
}

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

.section-inner {
  width: 100%;
  margin: 0 auto;
}

.section-heading {
  max-width: 52rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
}

.section-heading > p {
  font-size: 1.05rem;
  max-width: 46rem;
}

.eyebrow,
.section-kicker {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.lead {
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  max-width: 44rem;
  color: var(--muted);
}

.hero {
  padding-top: clamp(2rem, 4vw, 3.5rem);
}

.hero-band-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

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

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

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

.hero-visual {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

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

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

.layout-bento .card {
  grid-column: span 4;
}

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

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

.layout-feature-strip .card:nth-child(2) {
  background: var(--surface-accent);
  color: var(--text);
}

.layout-feature-strip .card:nth-child(2) p,
.layout-feature-strip .card:nth-child(2) small {
  color: color-mix(in srgb, var(--text) 72%, transparent);
}

.layout-timeline .process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: step;
}

.layout-timeline .process-list li {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.layout-mosaic .cards-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}

.layout-mosaic .card {
  grid-column: span 2;
}

.layout-mosaic .card:nth-child(1),
.layout-mosaic .card:nth-child(4) {
  grid-column: span 3;
}

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

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

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

.layout-geo-panel .geo-chip span {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.layout-guide-columns .guide-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.layout-guide-columns .chapter {
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

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

.layout-faq-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.layout-faq-split > .section-inner {
  display: contents;
}

.layout-faq-split .section-heading {
  margin-bottom: 0;
}

.faq-list {
  max-width: none;
}

.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: 1rem;
}

.layout-contact-dock .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

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

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

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  background: var(--page);
  color: var(--text);
  padding: 0.8rem 0.9rem;
  border-radius: calc(var(--radius) * 0.65);
}

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

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

.card {
  min-width: 0;
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.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%, transparent);
  border-radius: calc(var(--radius) * 0.75);
}

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

.card-label {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.55rem;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.5rem;
}

.site-footer {
  margin-top: var(--section-space);
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, var(--page));
}

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

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

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

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

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

  .site-rail {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .rail-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 0.75rem 1rem;
    height: auto;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .site-rail nav {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .rail-cta {
    grid-column: 3;
    grid-row: 1;
    margin-top: 0;
    width: auto;
  }

  .hero-band-grid {
    grid-template-columns: 1fr;
  }

  .layout-bento .cards-grid,
  .layout-bento .card,
  .layout-bento .card:nth-child(1),
  .layout-bento .card:nth-child(2) {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .layout-bento .cards-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .layout-feature-strip .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .layout-mosaic .cards-grid,
  .layout-mosaic .card,
  .layout-mosaic .card:nth-child(1),
  .layout-mosaic .card:nth-child(4) {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .layout-mosaic .cards-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .layout-geo-panel .geo-chips {
    grid-template-columns: 1fr;
  }

  .layout-guide-columns .guide-body {
    grid-template-columns: 1fr;
  }

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

  .layout-contact-dock .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .page-main {
    width: min(100% - 1.5rem, var(--content-max));
  }

  .rail-inner {
    grid-template-columns: 1fr auto;
  }

  .site-rail nav a {
    font-size: 0.76rem;
    padding: 0.45rem 0.65rem;
  }

  .layout-bento .cards-grid,
  .layout-feature-strip .cards-grid,
  .layout-timeline .process-list,
  .layout-mosaic .cards-grid {
    grid-template-columns: 1fr;
  }

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

  h1 {
    font-size: clamp(2rem, 10vw, 2.75rem);
  }
}

@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-icon,
  .step-icon,
  .card-icon svg,
  .step-icon svg,
  .card-icon path,
  .step-icon path {
    animation: none !important;
  }
}