/* Palette seed: ЗТЄ УКРАЇНА → hue 54 */
:root {
  --bg-hue: 274;
  --accent-hue: 54;
  --accent-two-hue: 173;
  --bg: hsl(274, 34%, 8%);
  --text: hsl(274, 20%, 96%);
  --accent: hsl(54, 75%, 58%);
  --accent-two: hsl(173, 77%, 52%);
  --panel: color-mix(in srgb, var(--bg) 72%, hsl(274, 22%, 18%));
  --muted: color-mix(in srgb, var(--text) 62%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-two));
  --radius: 14px;
  --radius-sm: 8px;
  --rail-w: 76px;
  --max-w: 1120px;
  --font: "Manrope", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body.grid {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 20% 14%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 52%),
    radial-gradient(circle at 80% 6%, color-mix(in srgb, var(--accent-two) 18%, transparent), transparent 48%);
  background-attachment: fixed;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

/* Shell: vertical rail + canvas */
.shell {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  min-height: 100vh;
}

.canvas {
  min-width: 0;
  padding: 0 28px 40px;
}

/* Rail navigation */
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 200;
}

.rail-logo {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 32px;
  flex-shrink: 0;
}

.logo-letter {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  color: var(--bg);
  font-weight: 900;
  font-size: 1.25rem;
}

.rail-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.rail-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.rail-nav a:hover {
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.rail-idx {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.rail-label {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  max-height: 72px;
  overflow: hidden;
}

.rail-lang {
  margin-top: auto;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.2s;
}

.rail-lang:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.rail-menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.rail-menu span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

body.menu-open .rail-menu span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

body.menu-open .rail-menu span:nth-child(2) {
  opacity: 0;
}

body.menu-open .rail-menu span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Topbar */
.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
}

.topbar-name {
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.topbar-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Main */
main {
  max-width: var(--max-w);
}

section {
  margin-bottom: 112px;
  scroll-margin-top: 24px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 36px;
}

.section-head--split {
  justify-content: space-between;
}

.section-head--compact {
  margin-bottom: 20px;
}

.section-ghost {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.04em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.35;
}

.section-head h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: var(--gradient-accent);
  color: var(--bg);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn.ghost:hover {
  border-color: color-mix(in srgb, var(--accent-two) 50%, var(--line));
}

.btn--wide {
  width: 100%;
  border: none;
}

/* Hero bento */
.hero-bento {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.35fr;
  grid-template-rows: auto auto;
  gap: 20px;
  min-height: min(72vh, 640px);
}

.hero-copy {
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px 36px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), calc(100% - 48px) 100%, 0 100%);
}

.hero-copy h1 {
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.hero-lead {
  color: var(--muted);
  font-size: 1rem;
  max-width: 48ch;
  margin-bottom: 28px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-emblem {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  background: color-mix(in srgb, var(--panel) 50%, var(--accent) 6%);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
  border-radius: var(--radius);
  overflow: hidden;
}

.emblem-ring {
  position: absolute;
  inset: 16px;
  border: 2px dashed color-mix(in srgb, var(--accent-two) 40%, transparent);
  border-radius: 50%;
  animation: spin 28s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.emblem-letter {
  font-size: clamp(4.5rem, 10vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  z-index: 1;
}

.emblem-caption {
  margin-top: 16px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-chips {
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.hero-chips li {
  padding: 14px 10px;
  text-align: center;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.hero-chips li:nth-child(2) {
  background: color-mix(in srgb, var(--accent-two) 80%, var(--accent));
}

/* Profile magazine */
.profile-magazine {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 24px;
  align-items: stretch;
}

.profile-pull {
  position: relative;
  padding: 40px 40px 40px 56px;
  background: var(--panel);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.pull-mark {
  position: absolute;
  top: 12px;
  left: 16px;
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  opacity: 0.4;
}

.profile-pull p {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.75;
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
}

.profile-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-cell {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stat-cell--accent {
  background: color-mix(in srgb, var(--panel) 60%, var(--accent-two) 12%);
  border-color: color-mix(in srgb, var(--accent-two) 30%, var(--line));
}

.stat-val {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-key {
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* Areas mosaic */
.areas-mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(140px, auto);
  gap: 14px;
}

.mosaic-tile {
  grid-column: span 2;
  padding: 24px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.mosaic-tile:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.mosaic-tile--wide {
  grid-column: span 3;
}

.mosaic-tile--tall {
  grid-row: span 2;
  background: color-mix(in srgb, var(--panel) 65%, var(--accent) 8%);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--line));
}

.mosaic-tile--accent {
  background: color-mix(in srgb, var(--panel) 55%, var(--accent-two) 10%);
  border-color: color-mix(in srgb, var(--accent-two) 28%, var(--line));
}

.tile-idx {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 10px;
}

.mosaic-tile h3 {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}

.mosaic-tile p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
  margin-top: auto;
}

/* Process timeline */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 80px 0 20px;
}

.timeline-track {
  position: absolute;
  top: 50%;
  left: 8%;
  right: 8%;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0.45;
  transform: translateY(-50%);
}

.timeline-node {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-node--up {
  padding-bottom: 48px;
  justify-content: flex-end;
}

.timeline-node--down {
  padding-top: 48px;
  justify-content: flex-start;
}

.node-dot {
  position: absolute;
  left: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient-accent);
  border: 3px solid var(--bg);
  transform: translateX(-50%);
  z-index: 2;
}

.timeline-node--up .node-dot {
  bottom: 32px;
}

.timeline-node--down .node-dot {
  top: 32px;
}

.node-card {
  width: 100%;
  padding: 22px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.timeline-node--up .node-card {
  border-bottom: 3px solid var(--accent);
}

.timeline-node--down .node-card {
  border-top: 3px solid var(--accent-two);
}

.node-idx {
  display: block;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-two);
  margin-bottom: 8px;
}

.node-card h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.node-card p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* Contact split */
.contact-split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.contact-left {
  padding: 40px 36px;
  background: var(--panel);
  border-right: 1px solid var(--line);
}

.contact-lead {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
  max-width: 36ch;
}

.contact-dl {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.dl-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.dl-row:last-child {
  border-bottom: 1px solid var(--line);
}

.dl-row dt {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.dl-row dd {
  font-weight: 600;
  font-size: 0.92rem;
}

.dl-row a:hover {
  color: var(--accent);
}

.contact-right {
  padding: 40px 36px;
  background: color-mix(in srgb, var(--bg) 40%, var(--panel));
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form label span {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  padding: 12px 14px;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  resize: vertical;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}

/* Footer */
.footer {
  max-width: var(--max-w);
  padding-top: 24px;
}

.footer-line {
  display: block;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 3px;
  margin-bottom: 20px;
  opacity: 0.6;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-legal {
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-top {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color 0.2s, background 0.2s;
}

.footer-top:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* Responsive */
@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 12px 16px;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .rail-logo {
    margin-bottom: 0;
  }

  .rail-nav {
    position: fixed;
    top: 68px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: color-mix(in srgb, var(--panel) 96%, transparent);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
    z-index: 300;
  }

  body.menu-open .rail-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .rail-nav a {
    flex-direction: row;
    gap: 12px;
    padding: 12px 14px;
  }

  .rail-label {
    writing-mode: horizontal-tb;
    transform: none;
    max-height: none;
    font-size: 0.85rem;
  }

  .rail-lang {
    margin-top: 0;
    margin-left: auto;
  }

  .rail-menu {
    display: flex;
  }

  .canvas {
    padding: 88px 16px 32px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-top: 12px;
  }

  .hero-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    min-height: auto;
  }

  .hero-copy {
    grid-column: 1 / -1;
    grid-row: auto;
    clip-path: none;
    padding: 32px 28px;
  }

  .hero-emblem {
    grid-column: 1;
  }

  .hero-chips {
    grid-column: 2;
    flex-direction: row;
  }

  .hero-chips li {
    writing-mode: horizontal-tb;
    transform: none;
    flex: 1;
    padding: 12px 8px;
  }

  .profile-magazine {
    grid-template-columns: 1fr;
  }

  .profile-aside {
    flex-direction: row;
  }

  .stat-cell {
    flex: 1;
  }

  .areas-mosaic {
    grid-template-columns: repeat(2, 1fr);
  }

  .mosaic-tile,
  .mosaic-tile--wide {
    grid-column: span 1;
  }

  .mosaic-tile--tall {
    grid-row: span 1;
  }

  .timeline {
    grid-template-columns: 1fr 1fr;
    padding-top: 24px;
  }

  .timeline-track {
    display: none;
  }

  .timeline-node--up,
  .timeline-node--down {
    padding: 0;
    justify-content: stretch;
  }

  .node-dot {
    display: none;
  }

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

  .contact-left {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  section {
    margin-bottom: 72px;
  }

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

  .hero-emblem,
  .hero-chips {
    grid-column: 1;
  }

  .hero-chips {
    flex-direction: row;
  }

  .profile-aside {
    flex-direction: column;
  }

  .areas-mosaic,
  .timeline {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .dl-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}