/* Slon6 TO — variant 1: obsidian side-rail editorial layout */

:root {
  --page: #0a0a0c;
  --surface: #141418;
  --surface-elevated: #1c1c22;
  --text: #f4f1ea;
  --muted: #a8a49b;
  --accent: #c9a227;
  --accent-alt: #e8c878;
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --rail-width: clamp(240px, 18vw, 300px);
  --content-max: min(1480px, calc(100% - 3rem));
  --section-space: clamp(4rem, 8vw, 7rem);
  --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);
}

body.donor-layout-slon9-ccc-ru {
  background:
    radial-gradient(ellipse 80% 50% at 70% -10%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 55%),
    radial-gradient(circle at 20% 100%, color-mix(in srgb, var(--accent-alt) 5%, transparent), transparent 40%),
    var(--page);
  color: var(--text);
}

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;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.2rem, 4.8vw, 4.25rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 3rem);
  margin-bottom: 0.85rem;
}

h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  margin-bottom: 0.5rem;
}

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

/* ── Page shell: side rail + main canvas ── */

.page-shell {
  display: grid;
  min-height: 100vh;
}

.site-rail {
  position: relative;
  z-index: 40;
  background: color-mix(in srgb, var(--page) 92%, var(--surface));
  border-bottom: 1px solid var(--line);
}

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

.site-header {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding: 1.25rem clamp(1rem, 3vw, 1.75rem);
}

.header-brand-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.05rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: clamp(44px, 5vw, 64px);
  height: clamp(44px, 5vw, 64px);
  max-width: 64px;
  max-height: 64px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

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

.brand small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
  font-family: var(--font-body);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.site-header nav a {
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.site-header nav a:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.35rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.header-cta {
  align-self: flex-start;
  white-space: nowrap;
}

.header-cta,
.button-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, #8a7018));
  color: var(--page);
}

.button-primary:hover,
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--accent) 28%, transparent);
}

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

.button-secondary:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent-alt);
}

/* ── Section rhythm ── */

.section {
  padding: var(--section-space) clamp(1rem, 3vw, 2rem);
}

.section-inner {
  width: var(--content-max);
  margin: 0 auto;
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

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

.eyebrow,
.section-kicker {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-family: var(--font-body);
}

.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  max-width: 640px;
  color: color-mix(in srgb, var(--text) 82%, var(--muted));
}

.geo-line {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 1.5rem;
  letter-spacing: 0.06em;
}

/* ── Hero: asymmetric split ── */

.hero {
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 3vw, 2rem) var(--section-space);
}

.hero-grid {
  width: var(--content-max);
  margin: 0 auto;
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

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

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

.hero-visual {
  overflow: hidden;
  width: 100%;
  min-height: 0 !important;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: var(--surface-elevated);
  box-shadow:
    0 24px 64px color-mix(in srgb, var(--page) 50%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--text) 6%, transparent);
}

.hero-visual img,
.hero-visual > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual:has(img)::before,
.hero-visual:has(img)::after,
.hero-visual:has(svg)::before,
.hero-visual:has(svg)::after {
  display: none !important;
}

/* ── Services: bento grid ── */

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

.cards-grid .card:nth-child(1) { grid-column: span 6; }
.cards-grid .card:nth-child(2) { grid-column: span 6; }
.cards-grid .card:nth-child(3) { grid-column: span 4; }
.cards-grid .card:nth-child(4) { grid-column: span 4; }
.cards-grid .card:nth-child(5) { grid-column: span 4; }

.card {
  min-width: 0;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.card p { margin-bottom: 0; flex: 1; }

.card-icon,
.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.card-label {
  display: block;
  color: var(--accent-alt);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.65rem;
  font-family: var(--font-body);
}

.card-value {
  display: block;
  margin-top: 1rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.4rem;
  font-size: 0.85rem;
}

/* ── Process: vertical timeline ── */

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

.process-list::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 20%, transparent));
}

.process-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1.25rem;
  padding: 1.35rem 0;
  position: relative;
}

.process-list li .step-icon { margin-bottom: 0; }

.process-list li > div { min-width: 0; padding-bottom: 0.5rem; }

/* ── Benefits & scenarios: 2-col editorial cards ── */

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

.component-benefits .cards-grid .card,
.component-scenarios .cards-grid .card {
  grid-column: auto;
}

/* ── Geography ── */

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

.geo-chip {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--surface), var(--surface-elevated));
}

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

.geo-chip strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.geo-chip span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ── Guide: chapter stack with accent rule ── */

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

.chapter {
  min-width: 0;
  padding: clamp(1.5rem, 3vw, 2rem) 0;
  border-top: 1px solid var(--line);
}

.chapter:first-child { border-top: none; padding-top: 0; }

.chapter h3 {
  color: var(--text);
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

.chapter p {
  font-size: 1.02rem;
  line-height: 1.75;
  max-width: 72ch;
}

.chapter li {
  color: var(--muted);
  margin: 0.5rem 0;
  max-width: 72ch;
}

.chapter ul {
  padding-left: 1.25rem;
  margin: 1rem 0 0;
}

/* ── FAQ ── */

.faq-list { max-width: 900px; }

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  list-style: none;
  padding-right: 2rem;
  position: relative;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 400;
  transition: transform 0.25s ease;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list p { padding-right: 2rem; margin-bottom: 0; }

/* ── Contact ── */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--surface);
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius-lg);
  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: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.form-message {
  color: var(--accent-alt);
  margin: 0;
  font-size: 0.9rem;
}

/* ── Footer ── */

.site-footer {
  padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 3vw, 2rem);
  background: color-mix(in srgb, var(--surface) 85%, var(--page));
  border-top: 1px solid var(--line);
}

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

.footer-brand {
  font-size: 1.4rem;
  font-family: var(--font-display);
  color: var(--text);
}

.site-footer h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-family: var(--font-body);
}

.site-footer a {
  display: block;
  color: var(--muted);
  margin: 0.4rem 0;
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

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

.site-footer p {
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ── Icon motion (≥10s loops) ── */

.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(0.9); opacity: 0.75; } }
@keyframes iconSlide { 50% { transform: translateX(4px); } }
@keyframes iconSpin { to { transform: rotate(360deg); } }

/* ── Wide desktop: side rail + balanced canvas ── */

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

  .site-rail {
    position: sticky;
    top: 0;
    height: 100vh;
    border-bottom: none;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
  }

  .site-header {
    flex: 1;
    justify-content: space-between;
    padding: 2rem 1.5rem;
  }

  .site-header nav {
    flex-direction: column;
    align-items: stretch;
  }

  .site-header nav a {
    border-radius: var(--radius-sm);
    text-align: left;
  }

  .header-brand-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  }

  .component-services .cards-grid .card:nth-child(1) { grid-column: span 7; }
  .component-services .cards-grid .card:nth-child(2) { grid-column: span 5; }
  .component-services .cards-grid .card:nth-child(3) { grid-column: span 4; }
  .component-services .cards-grid .card:nth-child(4) { grid-column: span 4; }
  .component-services .cards-grid .card:nth-child(5) { grid-column: span 4; }

  .component-guide .section-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.38fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .component-guide .section-heading {
    position: sticky;
    top: 2rem;
    margin-bottom: 0;
  }
}

@media (min-width: 1440px) {
  :root {
    --content-max: min(1560px, calc(100% - 4rem));
  }
}

@media (min-width: 1920px) {
  :root {
    --content-max: min(1680px, calc(100% - 5rem));
  }
}

/* ── Tablet ── */

@media (max-width: 1099px) {
  .site-header {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .header-brand-row { flex: 1 1 auto; }

  .site-header nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
  }

  .header-cta {
    order: 2;
    margin-left: auto;
  }

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

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

  .cards-grid .card { grid-column: auto !important; }

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

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

/* ── Mobile ── */

@media (max-width: 640px) {
  .site-header nav { display: none; }

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

  .cards-grid,
  .component-benefits .cards-grid,
  .component-scenarios .cards-grid,
  .geo-chips,
  .footer-grid,
  .process-list li {
    grid-template-columns: 1fr;
  }

  .process-list::before { display: none; }

  .process-list li {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-visual { min-height: 220px !important; }

  .section { padding: 3.5rem 1rem; }

  h1 { font-size: clamp(2rem, 11vw, 3.2rem); }

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

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

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

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

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

  .card, .button, .header-cta { transition: none !important; }
}