:root {
  --page: #e8f4f8;
  --surface: #ffffff;
  --surface-alt: #d4eaf2;
  --text: #0d3d56;
  --muted: #4a7284;
  --accent: #19a7cd;
  --accent-alt: #146c94;
  --surface-text: #0d3d56;
  --surface-muted: #5a8496;
  --radius: 18px;
  --section-space: clamp(72px, 8vw, 120px);
  --rail-width: clamp(240px, 18vw, 300px);
  --content-max: min(1280px, 100%);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", 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;
  line-height: 1.65;
  font-family: var(--font-body);
  background: var(--page);
  color: var(--text);
  background-image:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 6%, transparent) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--accent-alt) 8%, transparent), transparent 40%);
}

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: -0.03em;
}

h1 {
  font-size: clamp(2.2rem, 4.8vw, 4.2rem);
  line-height: 1.02;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  line-height: 1.08;
  margin-bottom: 0.85rem;
}

h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.25;
}

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;
  height: 100vh;
  padding: clamp(1rem, 2vw, 1.75rem);
  border-right: 1px solid color-mix(in srgb, var(--accent-alt) 22%, transparent);
  background: color-mix(in srgb, var(--surface) 88%, var(--page));
  backdrop-filter: blur(12px);
  z-index: 40;
}

.site-rail-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
  min-height: 0;
}

.brand {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.05rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: 56px;
  height: 56px;
  max-width: 64px;
  max-height: 64px;
  border-radius: 14px;
  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);
}

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

.site-rail nav a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.site-rail nav a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.header-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.header-cta {
  margin-top: auto;
  text-align: center;
  white-space: nowrap;
}

.header-cta, .button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: var(--surface);
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: color-mix(in srgb, var(--text) 20%, transparent);
}

.page-canvas {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.page-main { flex: 1; }

.section-inner {
  width: min(var(--content-max), calc(100% - clamp(1.5rem, 4vw, 3rem)));
  margin: 0 auto;
}

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

.section-heading {
  max-width: 720px;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

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

.eyebrow, .section-kicker {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
  margin-bottom: 0.85rem;
  color: var(--accent-alt);
}

.lead {
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  max-width: 52ch;
}

.layout-hero-rail.hero {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-alt) 60%, var(--page)), var(--page));
}

.layout-hero-rail .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.layout-hero-rail .hero-copy { order: 1; }

.layout-hero-rail .hero-visual {
  order: 2;
  width: 100%;
  max-width: none;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  border: 2px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: var(--surface-alt);
  box-shadow: 0 20px 50px color-mix(in srgb, var(--accent-alt) 14%, transparent);
}

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

.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: 0.35rem 0.75rem;
  border-left: 3px solid var(--accent);
}

.layout-timeline .process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.layout-timeline .process-list::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-alt));
  opacity: 0.35;
}

.layout-timeline .process-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1.25rem;
  padding: 1.25rem 0 1.25rem 0;
  background: transparent;
  position: relative;
}

.layout-timeline .process-list li::before {
  content: counter(step);
  counter-increment: step;
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--surface);
  background: var(--accent-alt);
  border-radius: 50%;
  z-index: 1;
}

.layout-timeline .process-list { counter-reset: step; }

.layout-timeline .step-icon {
  grid-column: 2;
  margin-bottom: 0.5rem;
}

.layout-timeline .process-list li > div {
  grid-column: 2;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
}

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

.layout-bento .cards-grid .card:nth-child(1) { grid-column: span 3; }
.layout-bento .cards-grid .card:nth-child(2) { grid-column: span 3; }
.layout-bento .cards-grid .card:nth-child(3) { grid-column: span 2; }
.layout-bento .cards-grid .card:nth-child(4) { grid-column: span 2; }
.layout-bento .cards-grid .card:nth-child(5) { grid-column: span 2; }

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

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

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

.layout-scenario-deck .card:nth-child(4),
.layout-scenario-deck .card:nth-child(5) {
  grid-column: span 6;
}

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

.layout-chapter-scroll .guide-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.layout-chapter-scroll .chapter {
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  border-top: 3px solid var(--accent);
}

.layout-chapter-scroll .chapter li {
  color: var(--muted);
  margin: 0.4rem 0;
  font-size: 0.92rem;
}

.layout-faq-panel .faq-list {
  max-width: none;
  display: grid;
  gap: 0;
  background: var(--surface);
  border-radius: calc(var(--radius) + 4px);
  padding: 0 1.25rem;
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}

.layout-contact-split .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.card {
  min-width: 0;
  padding: 1.35rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--accent-alt) 16%, transparent);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--accent-alt) 12%, transparent);
}

.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-alt);
  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-value {
  display: block;
  margin-top: 0.85rem;
  color: var(--accent-alt);
  font-size: 1.05rem;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.35rem;
  font-size: 0.85rem;
}

.geo-chip {
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
}

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

.geo-chip span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.faq-list details {
  border-bottom: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  padding: 1rem 0;
}

.faq-list details:last-child { border-bottom: none; }

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

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

.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--surface);
  padding: 1.5rem;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

.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) 18%, transparent);
  background: var(--page);
  color: var(--text);
  padding: 0.8rem;
  border-radius: 10px;
}

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

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

.tripscan-disclaimer {
  font-size: 0.78rem;
  padding: 0.65rem 0.8rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.site-footer {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  background: color-mix(in srgb, var(--surface-alt) 50%, var(--page));
  border-top: 1px solid color-mix(in srgb, var(--accent-alt) 20%, transparent);
}

.footer-grid {
  width: min(var(--content-max), calc(100% - clamp(1.5rem, 4vw, 3rem)));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand { font-size: 1.35rem; font-family: var(--font-display); }

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

@media (min-width: 1440px) {
  .layout-hero-rail .hero-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
    align-items: center;
  }

  .layout-hero-rail .hero-copy { order: 0; }
  .layout-hero-rail .hero-visual { order: 0; min-height: 420px; }
}

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

  .site-rail {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid color-mix(in srgb, var(--accent-alt) 22%, transparent);
  }

  .site-rail-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
  }

  .brand { flex: 1 1 auto; min-width: 180px; }

  .site-rail nav {
    flex-direction: row;
    flex-wrap: wrap;
    flex: 1 1 100%;
    order: 3;
  }

  .header-cta {
    margin-top: 0;
    margin-left: auto;
  }

  .layout-bento .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .layout-bento .cards-grid .card { grid-column: span 1 !important; }
  .layout-chapter-scroll .guide-body { grid-template-columns: 1fr 1fr; }
  .layout-benefit-strip .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .layout-scenario-deck .card { grid-column: span 6 !important; }
}

@media (max-width: 720px) {
  .layout-hero-rail .hero-visual { min-height: 240px; aspect-ratio: 4 / 3; }
  .layout-timeline .process-list li { grid-template-columns: 40px 1fr; }
  .layout-timeline .process-list::before { left: 18px; }
  .layout-timeline .process-list li::before { width: 36px; height: 36px; font-size: 0.75rem; }
  .layout-chapter-scroll .guide-body { grid-template-columns: 1fr; }
  .layout-region-grid .geo-chips { grid-template-columns: 1fr; }
  .layout-contact-split .contact-grid { grid-template-columns: 1fr; }
  .layout-benefit-strip .cards-grid,
  .layout-bento .cards-grid { grid-template-columns: 1fr; }
  .layout-scenario-deck .card { grid-column: span 12 !important; }
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(1.85rem, 9vw, 2.75rem); }
}

.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 14s linear infinite; }

@keyframes iconDraw { to { stroke-dashoffset: -84; } }
@keyframes iconPulse { 50% { transform: scale(0.92); opacity: 0.8; } }
@keyframes iconSlide { 50% { transform: translateX(3px); } }
@keyframes iconSpin { to { transform: rotate(360deg); } }

body.donor-layout-tripc86-top .hero-visual {
  animation: heroFloat 14s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(6px, -4px); }
}

@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;
  }
  body.donor-layout-tripc86-top .hero-visual { animation: none !important; }
  .card:hover { transform: none; }
}