/* Palette seed: КОРПОРАЦІЯ - ДДК → hue 95 */
:root {
  --accent: hsl(95, 80%, 63%);
  --accent-two: hsl(205, 73%, 55%);
  --bg: hsl(315, 35%, 9%);
  --text: hsl(315, 20%, 96%);
  --panel: color-mix(in srgb, var(--bg) 72%, hsl(315, 22%, 18%));
  --muted: color-mix(in srgb, var(--text) 62%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 16px;
  --header-h: 72px;
  --max-w: 1180px;
  --font: "Manrope", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(circle at 25% 19%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 52%),
    radial-gradient(circle at 75% 11%, color-mix(in srgb, var(--accent-two) 18%, transparent), transparent 48%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

body.grid {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  display: block;
}

/* Header */
.header {
  position: sticky;
  top: 12px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-w);
  width: calc(100% - 2rem);
  margin: 12px auto 0;
  padding: 0.65rem 1.25rem;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  color: var(--bg);
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
}

.logo-text {
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-toggle,
.menu-toggle {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  color: var(--text);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.2s, border-color 0.2s;
}

.lang-toggle {
  padding: 0.4rem 0.85rem;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

body.menu-open .menu-toggle span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

body.menu-open .menu-toggle span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Main */
main {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}

section {
  padding: 4rem 0;
}

section:first-child {
  padding-top: 2rem;
}

.section-head {
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-head p {
  margin-top: 0.75rem;
  color: var(--muted);
  max-width: 52ch;
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}

.hero-text {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 54ch;
  margin-bottom: 2rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  color: var(--bg);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--panel) 88%, var(--accent-two) 12%), var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: calc(var(--radius) + 4px);
  padding: 3.25rem 2rem;
  text-align: center;
  transform: rotate(2deg);
  box-shadow:
    0 24px 60px color-mix(in srgb, var(--bg) 40%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--text) 8%, transparent);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -30% auto auto -20%;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 68%);
  pointer-events: none;
}

.hero-card-ring {
  position: absolute;
  inset: 1.25rem;
  border: 1px dashed color-mix(in srgb, var(--accent-two) 35%, transparent);
  border-radius: calc(var(--radius) - 2px);
  pointer-events: none;
}

.hero-card-letter {
  position: relative;
  z-index: 1;
  display: block;
  font-size: 5.5rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 48%, var(--accent-two) 52%, var(--accent-two) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  filter: drop-shadow(0 6px 18px color-mix(in srgb, var(--accent) 25%, transparent));
}

.hero-card-words {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.88;
}

/* Profile */
.profile {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
  align-items: stretch;
  padding: 2rem;
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(120deg, color-mix(in srgb, var(--panel) 90%, var(--accent-two) 10%), var(--panel));
  border: 1px solid var(--line);
}

.profile-aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  text-align: center;
}

.profile-glyph {
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  border-radius: 22px;
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  box-shadow: 0 12px 32px color-mix(in srgb, var(--accent-two) 30%, transparent);
}

.profile-chip {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.profile-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 0.5rem 1rem 0;
}

.profile-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.profile-content p {
  color: var(--muted);
  font-size: 1.05rem;
  border-left: 3px solid var(--accent-two);
  padding-left: 1.25rem;
}

/* Areas */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  grid-auto-flow: dense;
}

.area-card {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.area-card::after {
  content: "";
  position: absolute;
  width: 80px;
  height: 80px;
  right: -24px;
  top: -24px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  pointer-events: none;
}

.area-card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  transform: translateY(-3px);
  box-shadow: 0 14px 36px color-mix(in srgb, var(--bg) 50%, transparent);
}

.area-card--wide {
  grid-column: span 2;
  background: linear-gradient(135deg, color-mix(in srgb, var(--panel) 75%, var(--accent) 12%), var(--panel));
  border-top: 2px solid var(--accent);
}

.area-card--tall {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, var(--panel), color-mix(in srgb, var(--panel) 70%, var(--accent-two) 15%));
  border-left: 3px solid var(--accent-two);
}

.area-card:nth-child(2n):not(.area-card--wide):not(.area-card--tall) {
  background: color-mix(in srgb, var(--panel) 70%, var(--accent) 8%);
  border-radius: calc(var(--radius) + 8px) var(--radius) var(--radius) calc(var(--radius) + 8px);
}

.area-card:nth-child(4) {
  border-bottom: 2px solid color-mix(in srgb, var(--accent-two) 60%, var(--line));
}

.area-card:nth-child(5) {
  background: color-mix(in srgb, var(--panel) 80%, var(--accent-two) 10%);
}

.area-card:nth-child(6) {
  border-right: 3px solid var(--accent);
}

.area-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-two);
  margin-bottom: 0.75rem;
}

.area-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.6rem;
}

.area-card p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Process */
.process {
  position: relative;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 2.1rem;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-two));
  opacity: 0.35;
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem 1.35rem;
  transition: transform 0.2s;
}

.step:nth-child(2) {
  transform: translateY(10px);
  border-radius: var(--radius) var(--radius) calc(var(--radius) + 10px) var(--radius);
  background: color-mix(in srgb, var(--panel) 82%, var(--accent-two) 10%);
}

.step:nth-child(3) {
  transform: translateY(-6px);
  background: color-mix(in srgb, var(--panel) 82%, var(--accent) 10%);
}

.step--start {
  border-top: 2px solid var(--accent);
}

.step--end {
  border-bottom: 2px solid var(--accent-two);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--accent-two) 18%, transparent);
}

.step-num {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 0.85rem;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--bg) 85%, transparent);
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: start;
}

.contact-info {
  display: contents;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.contact-item a,
.contact-item span {
  font-size: 1rem;
  font-weight: 600;
}

.contact-item a:hover {
  color: var(--accent);
}

.contact-item {
  position: relative;
  padding: 1.35rem 1.25rem;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.contact-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.contact-item--phone::before {
  background: var(--accent);
}

.contact-item--email::before {
  background: var(--accent-two);
}

.contact-item--address::before {
  background: linear-gradient(180deg, var(--accent), var(--accent-two));
}

.contact-item--phone {
  border-radius: var(--radius) calc(var(--radius) + 8px) var(--radius) var(--radius);
}

.contact-item--email {
  transform: translateY(6px);
  background: color-mix(in srgb, var(--panel) 78%, var(--accent-two) 8%);
}

.contact-item--address {
  border-style: dashed;
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.contact-form {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 50%, var(--line)), color-mix(in srgb, var(--accent-two) 50%, var(--line))) border-box;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 6%, transparent);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-form label span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.contact-form label.full {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

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

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form .btn {
  grid-column: 1 / -1;
  justify-self: start;
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Breakpoints */
@media (max-width: 980px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 8px);
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: color-mix(in srgb, var(--panel) 95%, transparent);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0.5rem;
    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;
  }

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

  .nav a {
    padding: 0.75rem 1rem;
    border-radius: 10px;
  }

  .nav a:hover {
    background: color-mix(in srgb, var(--accent) 8%, transparent);
  }

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

  .hero-card {
    max-width: 320px;
    margin: 0 auto;
  }

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

  .profile-aside {
    flex-direction: row;
    justify-content: flex-start;
    padding: 1.25rem;
  }

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

  .area-card--wide,
  .area-card--tall {
    grid-column: span 1;
    grid-row: span 1;
  }

  .steps::before {
    display: none;
  }

  .step:nth-child(2),
  .step:nth-child(3) {
    transform: none;
  }

  .contact-item--email {
    transform: none;
  }

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

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

  .contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .contact-form {
    grid-column: auto;
  }
}

@media (max-width: 620px) {
  .logo-text {
    font-size: 0.78rem;
  }

  .areas-grid,
  .steps,
  .contact-form {
    grid-template-columns: 1fr;
  }

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

  .btn {
    width: 100%;
    text-align: center;
  }
}