/* Palette seed: ДАНН → hue 230 */
:root {
  --accent-hue: 230;
  --accent-two-hue: 345;
  --bg-hue: 90;
  --accent: hsl(230, 76%, 63%);
  --accent-two: hsl(345, 73%, 62%);
  --bg: hsl(90, 34%, 8%);
  --text: hsl(90, 20%, 96%);
  --panel: color-mix(in srgb, var(--bg) 72%, hsl(90, 22%, 18%));
  --muted: color-mix(in srgb, var(--text) 62%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 16px;
  --radius-sm: 10px;
  --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.grid {
  font-family: var(--font);
  background-color: var(--bg);
  background-image:
    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%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

/* ── Header ── */
.header {
  position: sticky;
  top: 16px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-w);
  width: calc(100% - 2rem);
  margin: 16px auto 0;
  padding: 0.6rem 0.6rem 0.6rem 1.25rem;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.logo-letter {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  color: var(--bg);
  font-weight: 900;
  font-size: 0.95rem;
}

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

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  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 {
  background: color-mix(in srgb, var(--text) 8%, transparent);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.lang-toggle:hover {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 14px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  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 layout ── */
main {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

section {
  padding: 5rem 0 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

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

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-top: 3.5rem;
  min-height: calc(100vh - var(--header-h) - 32px);
}

.tag {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-text {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.hero-stats div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-stats dt {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stats dd {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

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

.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) 35%, transparent);
}

.btn.primary:hover {
  box-shadow: 0 12px 36px color-mix(in srgb, var(--accent-two) 40%, transparent);
}

.btn.secondary {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text);
  border: 1px solid var(--line);
}

.btn.secondary:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.hero-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 3.5rem 2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transform: rotate(2deg);
  box-shadow:
    0 24px 60px color-mix(in srgb, var(--bg) 60%, transparent),
    inset 0 1px 0 color-mix(in srgb, var(--text) 8%, transparent);
}

.hero-card-letter {
  font-size: 6rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-card-words {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

/* ── Profile ── */
.profile-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.profile-aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 70%, var(--accent) 6%);
}

.profile-aside h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.profile-accent {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding-top: 2rem;
}

.profile-accent-letter {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.profile-accent-city {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.profile-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 2rem;
}

.profile-body p {
  color: var(--muted);
  font-size: 1rem;
}

.profile-points {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.profile-points li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  background: color-mix(in srgb, var(--bg) 50%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.profile-points li span {
  color: var(--accent);
  font-size: 0.7rem;
}

/* ── Areas ── */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.area-card {
  padding: 1.75rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, transform 0.2s;
}

.area-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem 2rem;
  align-items: start;
  padding: 2rem 2.25rem;
  background: color-mix(in srgb, var(--panel) 55%, var(--accent) 10%);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--line));
}

.area-card--featured .area-num {
  grid-row: span 2;
  font-size: 2rem;
  margin-bottom: 0;
  align-self: center;
}

.area-card:nth-child(2n):not(.area-card--featured) {
  background: color-mix(in srgb, var(--panel) 60%, var(--accent) 8%);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--line));
}

.area-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.area-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.area-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.area-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ── Process ── */
.steps--timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps--timeline::before {
  content: "";
  position: absolute;
  top: 1.35rem;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-two));
  opacity: 0.35;
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.75rem;
  position: relative;
  z-index: 1;
}

.step-marker {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid color-mix(in srgb, var(--accent) 50%, var(--line));
  margin-bottom: 1.25rem;
}

.step-num {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-two);
}

.step-content {
  padding: 1.25rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  width: 100%;
}

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

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

/* ── Contact ── */
.contact-intro {
  color: var(--muted);
  margin-top: 0.75rem;
  max-width: 56ch;
}

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

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

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, transform 0.2s;
}

.contact-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.contact-card:nth-child(2) {
  background: color-mix(in srgb, var(--panel) 65%, var(--accent-two) 8%);
}

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

.contact-card a,
.contact-card span:not(.contact-label) {
  font-size: 0.95rem;
  font-weight: 600;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.75rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

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

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

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 0.25rem;
}

/* ── Footer ── */
.footer {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

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

/* ── Responsive ── */
@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: 0.75rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
  }

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

  .nav a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
  }

  .nav a:hover {
    background: color-mix(in srgb, var(--accent) 10%, transparent);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2.5rem;
  }

  .hero-card {
    max-width: 360px;
    margin: 0 auto;
  }

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

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

  .profile-accent {
    margin-top: 0;
    flex-direction: row;
    align-items: center;
  }

  .area-card--featured {
    grid-template-columns: 1fr;
  }

  .area-card--featured .area-num {
    grid-row: auto;
    font-size: 0.75rem;
    align-self: auto;
  }

  .steps--timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .steps--timeline::before {
    display: none;
  }

  .step {
    align-items: stretch;
    text-align: left;
    padding: 0;
  }

  .step-marker {
    align-self: flex-start;
    margin-bottom: 0.75rem;
  }

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

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

@media (max-width: 620px) {
  .header {
    width: calc(100% - 1rem);
    top: 8px;
    margin-top: 8px;
  }

  section {
    padding-top: 3.5rem;
  }

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

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .btn {
    width: 100%;
  }
}