/* Palette seed: СМАРТ-БІЗНЕС → hue 61 */

:root {
  --bg-hue: 281;
  --accent-hue: 61;
  --accent-two-hue: 147;

  --bg: hsl(281, 33%, 7%);
  --text: hsl(281, 20%, 96%);
  --accent: hsl(61, 83%, 65%);
  --accent-two: hsl(147, 69%, 61%);
  --panel: color-mix(in srgb, var(--bg) 72%, hsl(281, 22%, 18%));
  --muted: color-mix(in srgb, var(--text) 62%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);

  --font: "Manrope", system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 72px;
  --max-w: 1200px;
  --gap: 24px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 15% 9%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 55%),
    radial-gradient(circle at 85% 1%, color-mix(in srgb, var(--accent-two) 18%, transparent), transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-two);
}

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: 16px;
  max-width: calc(var(--max-w) + 48px);
  width: calc(100% - 32px);
  margin: 12px auto 0;
  padding: 10px 20px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 0.95rem;
  white-space: nowrap;
}

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

.logo-letter {
  display: flex;
  align-items: center;
  justify-content: 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: 1.1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  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: 8px;
}

.lang-toggle {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.menu-open .menu-toggle span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.menu-open .menu-toggle span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Main layout ── */

main {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

section {
  margin-bottom: 96px;
}

section:last-child {
  margin-bottom: 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header {
  margin-bottom: 40px;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 800;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

p {
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  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, opacity 0.2s;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  color: var(--bg);
  box-shadow: 0 4px 24px color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn.primary:hover {
  color: var(--bg);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--accent-two) 35%, transparent);
}

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

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

/* ── Hero ── */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 120px);
  padding-top: 24px;
}

.hero-content {
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 48px 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transform: rotate(2deg);
  box-shadow: 0 24px 64px color-mix(in srgb, var(--bg) 60%, 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: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

/* ── Profile ── */

.profile {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
  padding: 48px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.profile h2 {
  margin-bottom: 0;
}

.profile p {
  font-size: 1.05rem;
}

/* ── Areas ── */

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

.area-card {
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.2s, border-color 0.2s;
}

.area-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.area-card:nth-child(2n) {
  background: color-mix(in srgb, var(--panel) 70%, var(--accent) 8%);
}

.area-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-two);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.area-card h3 {
  font-size: 0.95rem;
}

.area-card p {
  font-size: 0.85rem;
}

/* ── Process ── */

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

.step {
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  position: relative;
}

.step-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.7;
}

.step p {
  font-size: 0.875rem;
}

/* ── Contact ── */

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  grid-column: span 1;
}

.contact-details {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-details dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact-details dd {
  font-size: 0.95rem;
  color: var(--text);
}

.contact-details a {
  color: var(--text);
  font-weight: 600;
}

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

.contact-form {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

.contact-form input,
.contact-form textarea {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color 0.2s;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 8px;
}

/* ── Footer ── */

.footer {
  padding: 24px;
  text-align: center;
  border-top: 1px solid var(--line);
}

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

/* ── Responsive: 980px ── */

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

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 24px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: color-mix(in srgb, var(--panel) 92%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }

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

  .nav a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }

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

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

  .profile {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px;
  }

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

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

  .contact {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form {
    grid-column: span 1;
  }
}

/* ── Responsive: 620px ── */

@media (max-width: 620px) {
  .header {
    width: calc(100% - 16px);
    padding: 8px 14px;
  }

  .logo-name {
    font-size: 0.8rem;
  }

  main {
    padding: 32px 16px 64px;
  }

  section {
    margin-bottom: 64px;
  }

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

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

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

  .hero-actions .btn {
    width: 100%;
  }

  .profile {
    padding: 24px;
  }

  .contact-form {
    padding: 24px;
  }
}