:root {
  --gl-bg: #16181d;
  --gl-bg-alt: #1e2128;
  --gl-surface: #252932;
  --gl-surface-raised: #2d323c;
  --gl-ink: #e8eaef;
  --gl-ink-muted: #8b919c;
  --gl-ink-subtle: #5c6370;
  --gl-accent: #0084ff;
  --gl-accent-alt: #6366f1;
  --gl-accent-ink: #f0f6ff;
  --gl-line: color-mix(in srgb, var(--gl-ink) 14%, transparent);
  --gl-glow: color-mix(in srgb, var(--gl-accent) 42%, transparent);
  --gl-font-display: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gl-font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gl-font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --gl-radius: 12px;
  --gl-radius-lg: 18px;
  --gl-section-space: clamp(3.5rem, 6vw, 5.5rem);
  --hero-max-h-desktop: 55vh;
  --hero-max-h-tablet: 44vh;
  --hero-max-h-mobile: 38vh;
  --rail-width: clamp(220px, 18vw, 280px);
  --page-max: min(1680px, 100%);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  line-height: 1.6;
  font-family: var(--gl-font-body);
  background: var(--gl-bg);
  color: var(--gl-ink);
}

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(--gl-font-display);
  font-size: clamp(1.85rem, 4.2vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

h2 {
  font-family: var(--gl-font-display);
  font-size: clamp(1.45rem, 2.8vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
}

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

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

.auralis-page {
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
}

.side-rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  z-index: 40;
  border-right: 1px solid var(--gl-line);
  background: color-mix(in srgb, var(--gl-bg) 92%, var(--gl-accent) 8%);
  backdrop-filter: blur(12px);
  min-width: 0;
}

.site-header {
  position: static;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.header-inner {
  width: 100%;
  min-height: 100%;
  padding: clamp(1rem, 2.5vw, 1.75rem) clamp(0.85rem, 2vw, 1.25rem);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.25rem;
  min-width: 0;
}

.brand {
  display: grid;
  grid-template-columns: min(64px, 100%) 1fr;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 0.95rem;
  min-width: 0;
  white-space: normal;
}

.brand-logo {
  display: block;
  width: min(48px, 100%);
  height: min(48px, 100%);
  max-width: 64px;
  max-height: 64px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}

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

.brand small {
  display: block;
  font-family: var(--gl-font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--gl-ink-muted);
  letter-spacing: 0.04em;
}

.site-header nav {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.35rem;
  margin: 0;
  min-width: 0;
}

.site-header nav a {
  font-family: var(--gl-font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gl-ink-muted);
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--gl-line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--gl-surface) 55%, transparent);
  white-space: normal;
  word-break: break-word;
}

.site-header nav a:hover {
  color: var(--gl-ink);
  border-color: color-mix(in srgb, var(--gl-accent) 45%, transparent);
}

.header-cta {
  margin-top: auto;
  width: 100%;
  text-align: center;
  white-space: normal;
}

.main-canvas {
  min-width: 0;
  width: 100%;
  overflow-x: clip;
}

.content-flow {
  width: min(var(--page-max), 100%);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
}

.section-inner {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  min-width: 0;
}

.hero {
  padding: clamp(1.5rem, 4vw, 3rem) 0 var(--gl-section-space);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  min-width: 0;
}

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

.eyebrow,
.section-kicker {
  display: block;
  font-family: var(--gl-font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--gl-accent);
  margin-bottom: 0.85rem;
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0 1rem;
}

.geo-line {
  font-family: var(--gl-font-mono);
  font-size: 0.72rem;
  color: var(--gl-ink-subtle);
  letter-spacing: 0.06em;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: clamp(200px, 38vh, 420px);
  max-height: var(--hero-max-h-desktop);
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--gl-radius-lg);
  border: 1px solid color-mix(in srgb, var(--gl-accent) 28%, transparent);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--gl-surface) 88%, var(--gl-accent)), var(--gl-bg-alt)),
    repeating-linear-gradient(0deg, transparent, transparent 11px, color-mix(in srgb, var(--gl-accent) 6%, transparent) 11px, color-mix(in srgb, var(--gl-accent) 6%, transparent) 12px),
    repeating-linear-gradient(90deg, transparent, transparent 11px, color-mix(in srgb, var(--gl-accent) 6%, transparent) 11px, color-mix(in srgb, var(--gl-accent) 6%, transparent) 12px);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--gl-ink) 8%, transparent) inset,
    0 18px 48px color-mix(in srgb, var(--gl-accent) 12%, transparent);
  justify-self: stretch;
  align-self: center;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--gl-accent) 22%, transparent);
  border-radius: var(--gl-radius);
  pointer-events: none;
  z-index: 0;
}

.hero-visual::before {
  inset: 10px 10px auto auto;
  width: 72%;
  height: 72%;
  transform: translate(8px, -8px);
  opacity: 0.45;
}

.hero-visual::after {
  inset: auto auto 8px 8px;
  width: 64%;
  height: 64%;
  transform: translate(-6px, 6px);
  opacity: 0.3;
}

.hero-visual > svg,
.hero-visual > img,
.hero-visual > canvas,
.hero-visual > iframe {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.button,
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--gl-accent);
  border-radius: var(--gl-radius);
  font-family: var(--gl-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.button-secondary {
  background: transparent;
  color: var(--gl-ink);
  border-color: var(--gl-line);
}

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

.section-heading {
  max-width: 44rem;
  margin-bottom: 2rem;
}

.section-heading > p { font-size: 1rem; }

.layered-cards-zone {
  position: relative;
  min-width: 0;
}

.layered-cards-zone > .section {
  position: relative;
}

.layered-cards-zone > .section:nth-child(odd) .section-inner {
  transform: translateX(clamp(0px, 1.5vw, 18px));
}

.layered-cards-zone > .section:nth-child(even) .section-inner {
  transform: translateX(clamp(0px, 3vw, 36px));
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  min-width: 0;
}

.card {
  min-width: 0;
  padding: 1.25rem;
  border-radius: var(--gl-radius-lg);
  background: var(--gl-surface);
  border: 1px solid var(--gl-line);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--gl-ink) 6%, transparent) inset,
    0 12px 28px color-mix(in srgb, var(--gl-bg) 55%, transparent);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

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

.card p { margin-bottom: 0; }

.card-icon,
.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.85rem;
  color: var(--gl-accent);
  border: 1px solid color-mix(in srgb, var(--gl-accent) 28%, transparent);
  background: color-mix(in srgb, var(--gl-accent) 8%, transparent);
  border-radius: 10px;
}

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

.card-label {
  display: block;
  font-family: var(--gl-font-mono);
  color: var(--gl-accent);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.55rem;
}

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

.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  counter-reset: step;
}

.process-list li {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding: 1.15rem;
  background: var(--gl-surface);
  border: 1px solid var(--gl-line);
  border-radius: var(--gl-radius-lg);
  counter-increment: step;
}

.step-icon { margin-bottom: 0; }

.geo-chips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.geo-chip {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--gl-line);
  border-radius: var(--gl-radius-lg);
  background: var(--gl-surface);
}

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

.geo-chip span {
  color: var(--gl-ink-muted);
  font-size: 0.88rem;
  margin-top: 0.35rem;
}

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

.chapter {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--gl-line);
}

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

.faq-list { max-width: 52rem; }

.faq-list details {
  border-bottom: 1px solid var(--gl-line);
  padding: 0.85rem 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  padding-right: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  background: var(--gl-surface);
  padding: 1.25rem;
  border-radius: var(--gl-radius-lg);
  border: 1px solid var(--gl-line);
  min-width: 0;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--gl-ink-muted);
  font-family: var(--gl-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input, select, textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--gl-line);
  background: var(--gl-bg-alt);
  color: var(--gl-ink);
  padding: 0.75rem;
  border-radius: calc(var(--gl-radius) * 0.75);
}

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

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

.site-footer {
  padding: var(--gl-section-space) 0 3rem;
  border-top: 1px solid var(--gl-line);
  background: var(--gl-bg-alt);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.footer-brand { font-size: 1.25rem; }

.site-footer a {
  display: block;
  color: var(--gl-ink-muted);
  margin: 0.3rem 0;
}

.icon-draw path { stroke-dasharray: 34 8; animation: iconDraw 12s linear infinite; }
.icon-pulse { transform-box: fill-box; transform-origin: center; animation: iconPulse 12s ease-in-out infinite; }
.icon-slide { animation: iconSlide 12s ease-in-out infinite; }
.icon-spin { transform-box: fill-box; transform-origin: center; animation: iconSpin 12s linear infinite; }

@keyframes iconDraw { to { stroke-dashoffset: -84; } }
@keyframes iconPulse { 50% { transform: scale(0.9); opacity: 0.75; } }
@keyframes iconSlide { 50% { transform: translateX(3px); } }
@keyframes iconSpin { to { transform: rotate(360deg); } }

@media (min-width: 1440px) {
  .content-flow {
    width: min(1560px, calc(100% - 2rem));
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .cards-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 2160px) {
  .content-flow {
    width: min(1680px, calc(100% - 3rem));
  }

  .auralis-page {
    grid-template-columns: clamp(240px, 14vw, 300px) minmax(0, 1fr);
  }
}

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

  .side-rail {
    position: sticky;
    top: 0;
    height: auto;
    z-index: 50;
    border-right: none;
    border-bottom: 1px solid var(--gl-line);
  }

  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    min-height: auto;
    padding: 0.75rem clamp(0.85rem, 3vw, 1.25rem);
    gap: 0.65rem;
  }

  .brand {
    grid-template-columns: 40px 1fr;
    flex: 1 1 auto;
    min-width: 0;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .site-header nav {
    flex-direction: row;
    flex-wrap: wrap;
    order: 3;
    width: 100%;
    gap: 0.35rem;
  }

  .site-header nav a {
    flex: 1 1 calc(50% - 0.35rem);
    min-width: 0;
    text-align: center;
    padding: 0.45rem 0.5rem;
    font-size: 0.62rem;
  }

  .header-cta {
    margin-top: 0;
    margin-left: auto;
    width: auto;
    flex: 0 0 auto;
    padding: 0.55rem 0.85rem;
    font-size: 0.68rem;
  }

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

  .hero-visual {
    max-height: var(--hero-max-h-tablet);
    min-height: clamp(220px, 36vh, 360px);
    width: 100%;
    order: -1;
  }

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

  .process-list {
    grid-template-columns: 1fr;
  }

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

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

  .layered-cards-zone > .section:nth-child(odd) .section-inner,
  .layered-cards-zone > .section:nth-child(even) .section-inner {
    transform: none;
  }
}

@media (max-width: 560px) {
  .content-flow {
    padding: 0 0.85rem;
  }

  h1 {
    font-size: clamp(1.55rem, 8.5vw, 2.15rem);
  }

  h2 {
    font-size: clamp(1.25rem, 6.5vw, 1.75rem);
  }

  .hero {
    padding-top: 1rem;
  }

  .hero-visual {
    max-height: var(--hero-max-h-mobile);
    min-height: clamp(180px, 32vh, 280px);
    aspect-ratio: 4 / 3;
  }

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

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

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

  .card {
    padding: 1rem;
  }

  .site-header nav a {
    flex: 1 1 100%;
  }

  .header-cta {
    width: 100%;
    margin-left: 0;
  }

  .section {
    padding: 3.5rem 0;
  }
}

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

  .card,
  .card-icon,
  .step-icon,
  .card-icon svg,
  .step-icon svg,
  .card-icon path,
  .step-icon path,
  .icon-draw,
  .icon-pulse,
  .icon-slide,
  .icon-spin {
    animation: none !important;
    transition: none !important;
  }

  .card:hover { transform: none; }
}