/* Clarix-derived layout — ink-cyan, timeline-led, compact-data-landscape */

:root {
  --ink: #123643;
  --ink-muted: rgba(18, 54, 67, 0.68);
  --ink-subtle: rgba(18, 54, 67, 0.45);
  --page: #f2f8fa;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.52);
  --line: rgba(18, 54, 67, 0.12);
  --accent: #1689a0;
  --accent-alt: #00b4d8;
  --accent-glow: rgba(22, 137, 160, 0.22);
  --gradient-rule: linear-gradient(90deg, #123643 0%, #1689a0 45%, #00b4d8 100%);
  --radius-pill: 2.5rem;
  --radius-panel: 1.25rem;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --rail-width: clamp(220px, 18vw, 280px);
  --content-max: 1180px;
  --hero-max-h-desktop: 55vh;
  --hero-max-h-tablet: 44vh;
  --hero-max-h-mobile: 38vh;
}

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

html {
  font-size: clamp(14px, 0.72vw + 12px, 16px);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: var(--font-body);
  line-height: 1.55;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: radial-gradient(circle at 1px 1px, rgba(18, 54, 67, 0.08) 1px, transparent 0);
  background-size: 18px 18px;
}

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

.side-rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 1.25rem 1rem 1.5rem 1.25rem;
  border-right: 1px solid var(--line);
  background: rgba(242, 248, 250, 0.92);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.rail-top {
  flex: 0 0 auto;
}

.timeline-rail {
  flex: 1 1 auto;
  position: relative;
  margin-top: 0.5rem;
  min-height: 120px;
}

.timeline-rail::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--gradient-rule);
  opacity: 0.55;
}

.rail-marker {
  position: absolute;
  left: 0.25rem;
  top: 0.35rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.page-canvas {
  min-width: 0;
  padding: 0 clamp(1rem, 2.5vw, 2.5rem) 3rem;
}

main {
  max-width: var(--content-max);
  margin: 0 auto;
}

.site-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
}

.brand-logo {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  max-width: 64px;
  max-height: 64px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(22, 137, 160, 0.15), rgba(0, 180, 216, 0.08)),
    var(--surface);
  position: relative;
}

.brand-logo::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 6px;
  border: 2px solid var(--accent);
  opacity: 0.7;
}

.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}

.site-header nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-muted);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-header nav a:hover {
  color: var(--accent);
  border-bottom-color: rgba(22, 137, 160, 0.35);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-inner {
  width: 100%;
}

.section {
  position: relative;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--line);
}

.section::before {
  content: attr(data-index);
  position: absolute;
  left: -0.25rem;
  top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--ink-subtle);
}

.hero {
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid transparent;
  border-image: var(--gradient-rule) 1;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 3.2vw, 3rem);
  line-height: 1.08;
  font-weight: 300;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.015em;
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.lead {
  font-size: 1.05rem;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
  max-width: 52ch;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button-primary {
  background: var(--ink);
  color: #fff;
}

.button-secondary {
  background: var(--surface-glass);
  color: var(--ink);
  border-color: var(--line);
  backdrop-filter: blur(10px);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(18, 54, 67, 0.08);
}

.geo-line {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-subtle);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-height: var(--hero-max-h-desktop);
  max-width: min(100%, calc(var(--hero-max-h-desktop) * 1.35));
  aspect-ratio: 4 / 3;
  margin-left: auto;
  border-radius: var(--radius-panel);
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(22, 137, 160, 0.12), rgba(242, 248, 250, 0.95)),
    var(--surface);
  clip-path: inset(0 round var(--radius-panel));
}

.section-heading p,
.section p,
.card p,
.stat p,
.chapter p,
.contact-grid p,
.site-footer p {
  color: var(--ink-muted);
  margin: 0 0 1rem;
}

.section-heading {
  max-width: 68ch;
  margin-bottom: 1.75rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.15rem;
  border-radius: var(--radius-panel);
  border: 1px solid var(--line);
  background: var(--surface-glass);
  backdrop-filter: blur(14px);
}

.card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.45rem;
}

.card-icon {
  display: inline-block;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.65rem;
  border-radius: 0.45rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  opacity: 0.85;
}

.card small {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-subtle);
}

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

.chapter {
  padding: 1.1rem 1.1rem 1.1rem 1.35rem;
  border-left: 2px solid rgba(22, 137, 160, 0.45);
  border-radius: 0 var(--radius-panel) var(--radius-panel) 0;
  background: rgba(255, 255, 255, 0.55);
}

.chapter h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.chapter ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-muted);
}

.fact-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-subtle);
  margin-bottom: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.stat {
  padding: 1rem;
  border-radius: var(--radius-panel);
  border: 1px solid var(--line);
  background: var(--surface);
  min-height: 100%;
}

.stat strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.stat span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  margin-bottom: 0.5rem;
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
  counter-reset: step;
}

.process-list li {
  position: relative;
  padding: 1rem 0.85rem 1rem 0.85rem;
  border-radius: var(--radius-panel);
  border: 1px solid var(--line);
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
}

.process-list li::before {
  counter-increment: step;
  content: "[ " counter(step, decimal-leading-zero) " ]";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.step-icon {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  margin-bottom: 0.5rem;
  border-radius: 0.35rem;
  background: linear-gradient(135deg, rgba(22, 137, 160, 0.85), rgba(0, 180, 216, 0.65));
}

.geo-chips {
  display: grid;
  gap: 0.75rem;
}

.geo-chip {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-panel);
  border: 1px solid var(--line);
  background: var(--surface);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1.05fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  padding: 1.25rem;
  border-radius: calc(var(--radius-panel) + 0.25rem);
  border: 1px solid var(--line);
  background: var(--surface-glass);
  backdrop-filter: blur(16px);
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  font: inherit;
  color: var(--ink);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
  border-radius: 1rem;
}

.form-message {
  font-size: 0.9rem;
  color: var(--accent);
}

.site-footer {
  padding: 2rem 0 1rem;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.25rem;
}

.footer-grid h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-subtle);
}

.footer-grid a {
  display: block;
  color: var(--ink-muted);
  text-decoration: none;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.footer-brand {
  font-size: 1.05rem;
}

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

  .side-rail {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 1rem clamp(1rem, 3vw, 1.5rem);
  }

  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .site-header nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
  }

  .timeline-rail {
    display: none;
  }

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

  .hero-visual {
    max-height: var(--hero-max-h-tablet);
    max-width: min(100%, calc(var(--hero-max-h-tablet) * 1.35));
    margin-left: 0;
  }

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

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

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

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

@media (max-width: 640px) {
  .page-canvas {
    padding-inline: 0.85rem;
  }

  .hero-visual {
    max-height: var(--hero-max-h-mobile);
    max-width: min(100%, calc(var(--hero-max-h-mobile) * 1.35));
  }

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

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

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

  .button,
  .site-header nav a {
    transition: none;
  }
}