:root {
  --bg: #050816;
  --bg-alt: #070b1e;
  --card: rgba(15, 23, 42, 0.88);
  --border-subtle: rgba(148, 163, 184, 0.25);
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.18);
  --accent-strong: #22c55e;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --danger: #f97373;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-full: 999px;
  --shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.8);
  --shadow-subtle: 0 18px 40px rgba(15, 23, 42, 0.6);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at top left, #1e293b 0, transparent 55%),
    radial-gradient(circle at top right, #4f46e5 0, transparent 55%),
    radial-gradient(circle at bottom, #22c55e 0, transparent 65%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

.container {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.4), transparent 60%),
    rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: conic-gradient(
    from 220deg,
    #4f46e5,
    #22c55e,
    #0ea5e9,
    #4f46e5
  );
  color: white;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.75);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 600;
  font-size: 1.05rem;
}

.logo-tagline {
  font-size: 0.78rem;
  color: var(--muted);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    color 150ms ease,
    background-color 150ms ease,
    border-color 150ms ease,
    transform 150ms ease;
}

.nav-links a:hover {
  color: #e5e7eb;
  background-color: rgba(15, 23, 42, 0.85);
  border-color: rgba(148, 163, 184, 0.5);
  transform: translateY(-1px);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.18rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
  transition:
    background 140ms ease,
    color 140ms ease,
    transform 140ms ease;
  min-width: 2.2rem;
}

.lang-btn.active {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.9), rgba(34, 197, 94, 0.9));
  color: #f9fafb;
  transform: translateY(-0.5px);
}

.lang-btn:hover:not(.active) {
  background: rgba(15, 23, 42, 0.98);
  color: #e5e7eb;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.98);
  cursor: pointer;
  padding: 0.4rem 0.45rem;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #e5e7eb;
  border-radius: 999px;
}

.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: center;
  gap: 3.5rem;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 3.3vw, 2.9rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-copy .accent {
  display: block;
  background: linear-gradient(135deg, #4f46e5, #22c55e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: var(--muted);
  margin-bottom: 1.4rem;
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background 140ms ease,
    color 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease,
    border-color 140ms ease;
}

.btn.primary {
  background: linear-gradient(135deg, #4f46e5, #22c55e);
  color: white;
  box-shadow: var(--shadow-subtle);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.btn.ghost {
  background: rgba(15, 23, 42, 0.8);
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.4);
}

.btn.ghost:hover {
  background: rgba(15, 23, 42, 0.95);
}

.btn.full-width {
  width: 100%;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.hero-highlights > div {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.35);
  display: flex;
  flex-direction: column;
}

.hero-highlights .stat {
  font-weight: 600;
  font-size: 0.95rem;
}

.hero-highlights .label {
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-visual {
  position: relative;
}

.glass-card {
  position: relative;
  border-radius: 20px;
  padding: 1.6rem 1.7rem;
  background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.25), transparent 60%),
    rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: var(--shadow-soft);
}

.glass-card h2 {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.glass-card p {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.glass-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
  font-size: 0.86rem;
}

.glass-card li {
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.hero-badges {
  position: absolute;
  inset-inline: auto 0;
  bottom: -1.4rem;
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
}

.badge {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.85);
}

.section {
  padding: 3.8rem 0;
}

.section-alt {
  backdrop-filter: blur(10px);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.97));
  border-block: 1px solid rgba(148, 163, 184, 0.25);
}

.section-title {
  text-align: center;
  font-size: 1.6rem;
  margin-top: 0;
  margin-bottom: 2.3rem;
}

.section-inner {
  display: grid;
  gap: 2.5rem;
}

.section-inner.two-column {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: start;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.about-card {
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-subtle);
  font-size: 0.94rem;
}

.about-card h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 0.98rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.card {
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.4rem;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-subtle);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
}

.card-tag {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-strong);
  margin-bottom: 0.7rem;
}

.card p {
  font-size: 0.92rem;
  color: var(--muted);
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
}

.card-list li::before {
  content: "•";
  color: var(--accent);
  display: inline-block;
  width: 1em;
  margin-left: -0.2em;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.product-card {
  border-radius: var(--radius-md);
  padding: 1.3rem 1.2rem;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-subtle);
  font-size: 0.92rem;
}

.product-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.product-card p {
  margin-top: 0;
  color: var(--muted);
}

.product-card ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
}

.chip {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
  font-size: 0.84rem;
  color: var(--muted);
}

.contact-details p {
  margin: 0;
  font-size: 0.92rem;
}

.contact-details p + p {
  margin-top: 0.2rem;
}

.contact-note {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-form {
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.3rem 1.5rem;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-subtle);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.9rem;
}

.form-row label {
  font-size: 0.86rem;
  color: var(--muted);
}

.form-row input,
.form-row select,
.form-row textarea {
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.96);
  padding: 0.6rem 0.75rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition:
    border-color 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease;
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.8);
  background: rgba(15, 23, 42, 0.98);
}

.form-status {
  margin-top: 0.7rem;
  font-size: 0.82rem;
  min-height: 1em;
}

.form-status.success {
  color: var(--accent-strong);
}

.form-status.error {
  color: var(--danger);
}

.site-footer {
  padding: 1.2rem 0 1.6rem;
  border-top: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(15, 23, 42, 0.98);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.back-to-top {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  transition:
    background 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.back-to-top:hover {
  background: rgba(15, 23, 42, 0.98);
  color: #e5e7eb;
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 3.4rem;
  }

  .hero-visual {
    order: -1;
  }

  .section-inner.two-column {
    grid-template-columns: minmax(0, 1fr);
  }

  .about-grid,
  .cards-grid,
  .products-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    padding-block: 0.6rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    right: 0;
    top: 125%;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.7rem;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(148, 163, 184, 0.5);
    box-shadow: var(--shadow-subtle);
    min-width: 200px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition:
      opacity 150ms ease,
      transform 150ms ease;
  }

  .lang-switch {
    margin-left: 0.2rem;
  }

  .nav-links.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero-inner {
    gap: 2.4rem;
  }

  .hero-copy h1 {
    font-size: 2.05rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-highlights {
    gap: 0.7rem;
  }

  .hero-highlights > div {
    flex: 1 1 30%;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 2rem, 480px);
  }

  .glass-card {
    padding: 1.2rem 1.1rem;
  }

  .card,
  .contact-form {
    padding-inline: 1.05rem;
  }
}