/* Palette seed: НІКС → hue 350 */
:root {
  --bg: hsl(210, 34%, 8%);
  --text: hsl(210, 20%, 96%);
  --panel: color-mix(in srgb, var(--bg) 72%, hsl(210, 22%, 18%));
  --accent: hsl(350, 73%, 60%);
  --accent-two: hsl(105, 73%, 52%);
  --muted: color-mix(in srgb, var(--text) 62%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 1.25rem;
  --header-h: 4.5rem;
  --max: 72rem;
  --font: "Manrope", system-ui, sans-serif;
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-two));
  --shadow: 0 1.5rem 3rem color-mix(in srgb, var(--bg) 40%, transparent);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body.grid {
  background:
    radial-gradient(
      circle at 16% 10%,
      color-mix(in srgb, var(--accent) 20%, transparent),
      transparent 55%
    ),
    radial-gradient(
      circle at 84% 2%,
      color-mix(in srgb, var(--accent-two) 18%, transparent),
      transparent 50%
    ),
    var(--bg);
}

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

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

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

/* Header */
.header {
  position: sticky;
  top: 1rem;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: calc(var(--max) - 2rem);
  margin: 0 auto 1rem;
  padding: 0.65rem 0.65rem 0.65rem 1.25rem;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  background: var(--gradient-accent);
  color: var(--bg);
  font-weight: 900;
  font-size: 1rem;
}

.logo-name {
  font-size: 1.05rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}

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

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

.lang-toggle {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.lang-toggle:hover {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border-color: color-mix(in srgb, var(--text) 22%, transparent);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Main layout */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.section {
  padding: 5rem 0;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-head p {
  margin-top: 0.75rem;
  max-width: 38rem;
  color: var(--muted);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3rem;
  min-height: calc(100vh - var(--header-h) - 3rem);
  padding: 3rem 0 4rem;
}

.tag {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-text {
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

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

.btn.primary {
  background: var(--gradient-accent);
  color: var(--bg);
  box-shadow: 0 0.5rem 1.5rem color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn.primary:hover {
  box-shadow: 0 0.75rem 2rem color-mix(in srgb, var(--accent-two) 40%, transparent);
}

.btn.secondary {
  border-color: var(--line);
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  color: var(--text);
}

.hero-card {
  justify-self: end;
  width: min(100%, 22rem);
  padding: 2.5rem 2rem;
  background:
    radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 55%),
    color-mix(in srgb, var(--panel) 82%, hsl(350, 40%, 12%));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: var(--radius);
  box-shadow:
    var(--shadow),
    inset 0 1px 0 color-mix(in srgb, var(--text) 8%, transparent);
  transform: rotate(2deg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% -20%;
  height: 60%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent-two) 18%, transparent), transparent 70%);
  pointer-events: none;
}

.hero-card-letter {
  display: block;
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.hero-card-words {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

/* Profile */
.profile-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.profile-aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-block {
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.stat-block--areas {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  background: color-mix(in srgb, var(--panel) 70%, var(--accent) 30%);
}

.stat-block--areas::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
}

.stat-block--city {
  border-color: color-mix(in srgb, var(--accent-two) 35%, var(--line));
  background: color-mix(in srgb, var(--panel) 78%, var(--accent-two) 22%);
}

.stat-block--city::after {
  content: "";
  position: absolute;
  right: -1rem;
  bottom: -1rem;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-two) 16%, transparent);
}

.stat-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.profile-body p {
  font-size: 1.1rem;
  color: var(--muted);
}

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

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

.area-card::after {
  content: "";
  position: absolute;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  opacity: 0.35;
  pointer-events: none;
}

.area-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0.75rem 2rem color-mix(in srgb, var(--bg) 50%, transparent);
}

.area-card--1 {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
  background: color-mix(in srgb, var(--panel) 82%, var(--accent) 18%);
}
.area-card--1::after { top: -2rem; right: -2rem; background: color-mix(in srgb, var(--accent) 25%, transparent); }
.area-card--1 .area-num { color: var(--accent); }

.area-card--2 {
  border-color: color-mix(in srgb, var(--accent-two) 30%, var(--line));
  background: linear-gradient(145deg, var(--panel), color-mix(in srgb, var(--panel) 60%, var(--accent-two) 40%));
}
.area-card--2::after { bottom: -2.5rem; left: -1rem; background: color-mix(in srgb, var(--accent-two) 22%, transparent); }

.area-card--3 {
  border-top: 3px solid var(--accent);
  background: color-mix(in srgb, var(--panel) 88%, hsl(350, 50%, 14%));
}
.area-card--3::after { top: 50%; right: -3rem; background: color-mix(in srgb, var(--accent) 18%, transparent); }

.area-card--4 {
  border-style: dashed;
  border-color: color-mix(in srgb, var(--accent-two) 40%, var(--line));
}
.area-card--4::after { bottom: -1rem; right: -1rem; background: color-mix(in srgb, var(--accent-two) 20%, transparent); }
.area-card--4 .area-num { color: var(--accent); }

.area-card--5 {
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--panel) 90%, var(--accent) 10%), var(--panel)),
    var(--panel);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--line));
}
.area-card--5::after { top: -2rem; left: 40%; background: color-mix(in srgb, var(--accent-two) 15%, transparent); }

.area-card--6 {
  border-color: color-mix(in srgb, var(--accent-two) 28%, var(--line));
  background: color-mix(in srgb, var(--panel) 75%, var(--accent-two) 25%);
  grid-column: span 2;
}
.area-card--6::after { inset: auto 1rem 1rem auto; width: 4rem; height: 4rem; background: color-mix(in srgb, var(--accent) 20%, transparent); }

.area-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-two);
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
}

.area-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.65rem;
}

.area-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

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

.step-card {
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0.7;
}

.step-card--1::before { background: var(--accent); opacity: 1; }
.step-card--1 { border-color: color-mix(in srgb, var(--accent) 32%, var(--line)); }

.step-card--2::before { background: linear-gradient(90deg, var(--accent), var(--accent-two)); opacity: 1; }
.step-card--2 { background: color-mix(in srgb, var(--panel) 80%, var(--accent-two) 20%); }

.step-card--3::before { background: var(--accent-two); opacity: 1; height: 4px; }
.step-card--3 .step-num { color: var(--accent-two); }

.step-card--4 {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--line));
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--accent-two) 14%, transparent), transparent 50%),
    var(--panel);
}
.step-card--4::before {
  background: linear-gradient(90deg, var(--accent-two), var(--accent));
  opacity: 1;
}

.step-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-card {
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.contact-card--phone {
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--panel) 78%, var(--accent) 22%);
}

.contact-card--phone::before {
  content: "☎";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.25rem;
  opacity: 0.25;
}

.contact-card--email {
  border-left: 4px solid var(--accent-two);
  background: linear-gradient(135deg, var(--panel), color-mix(in srgb, var(--panel) 70%, var(--accent-two) 30%));
}

.contact-card--email::before {
  content: "@";
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: color-mix(in srgb, var(--accent-two) 40%, transparent);
}

.contact-card--address {
  border-left: 4px solid color-mix(in srgb, var(--accent) 50%, var(--accent-two) 50%);
  background:
    radial-gradient(circle at 100% 100%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    var(--panel);
}

.contact-card--address::before {
  content: "⌖";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.25rem;
  opacity: 0.3;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  word-break: break-word;
}

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

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.contact-form label span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

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

.contact-form input,
.contact-form textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  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 button {
  grid-column: 1 / -1;
  justify-self: start;
}

/* Footer */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
}

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

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 1.5rem);
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: color-mix(in srgb, var(--panel) 95%, 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(-0.5rem);
    transition: opacity 0.25s, visibility 0.25s, transform 0.25s;
  }

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

  .nav a {
    padding: 0.75rem 1rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
  }

  .hero-card {
    justify-self: center;
    transform: rotate(0deg);
  }

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

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

  .area-card--6 {
    grid-column: span 1;
  }

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

@media (max-width: 620px) {
  .header {
    top: 0.5rem;
    border-radius: 1rem;
  }

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

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

  .btn {
    width: 100%;
  }
}