/* Palette seed: СІТО → hue 239 */
:root {
  --bg-hue: 99;
  --accent-hue: 239;
  --accent-two-hue: 3;
  --bg: hsl(99, 35%, 9%);
  --text: hsl(99, 20%, 96%);
  --accent: hsl(239, 72%, 63%);
  --accent-two: hsl(3, 82%, 60%);
  --panel: color-mix(in srgb, var(--bg) 72%, hsl(99, 22%, 18%));
  --muted: color-mix(in srgb, var(--text) 62%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 18px;
  --radius-sm: 12px;
  --header-h: 72px;
  --max: 1180px;
  --font: "Manrope", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body.grid {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    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%);
}

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

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

button,
input,
textarea {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

main {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 0 4rem;
}

section {
  padding: 4rem 0;
}

section + section {
  border-top: 1px solid var(--line);
}

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

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

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

.header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(calc(100% - 2rem), var(--max));
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  color: var(--bg);
  font-size: 1rem;
  font-weight: 900;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  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);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.lang-toggle {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.lang-toggle:hover,
.menu-toggle:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

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

body.menu-open .menu-toggle span:first-child {
  transform: translateY(4px) rotate(45deg);
}

body.menu-open .menu-toggle span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 4rem);
}

.tag {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero-text {
  margin-top: 1.25rem;
  max-width: 52ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  color: var(--bg);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--accent) 28%, transparent);
}

.btn.secondary {
  border-color: var(--line);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  color: var(--text);
}

.hero-card {
  position: relative;
  padding: 2.5rem 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transform: rotate(2deg);
  box-shadow: 0 24px 60px color-mix(in srgb, var(--bg) 40%, transparent);
}

.hero-card-letter {
  display: block;
  font-size: clamp(4rem, 10vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-card-words {
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.profile-meta {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.meta-label {
  font-size: 1.1rem;
  font-weight: 800;
}

.meta-city {
  margin-top: 0.5rem;
  color: var(--muted);
  font-weight: 600;
}

.profile-text {
  font-size: 1.05rem;
  color: var(--muted);
}

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

.area-card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  min-height: 100%;
}

.area-card:nth-child(2n) {
  background: color-mix(in srgb, var(--panel) 78%, var(--accent) 22%);
}

.area-num {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--accent) 70%, var(--text));
}

.area-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.65rem;
}

.area-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

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

.step {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.step-num {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--accent-two) 70%, var(--text));
}

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

.step p {
  font-size: 0.9rem;
  color: var(--muted);
}

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

.info-block {
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.info-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.info-block a,
.info-block p {
  font-weight: 600;
  word-break: break-word;
}

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

.contact-form label {
  display: grid;
  gap: 0.45rem;
}

.contact-form label span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg) 65%, var(--panel));
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}

.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: 120px;
}

.footer {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

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

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 1.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    width: min(calc(100% - 2rem), var(--max));
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--panel) 92%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  body.menu-open .nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }

  .nav a {
    padding: 0.65rem 0.5rem;
  }

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

  .hero-card {
    max-width: 420px;
  }

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

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

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

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

@media (max-width: 620px) {
  .areas-grid,
  .steps,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    max-width: none;
  }
}