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

:root {
  --navy: #121629;
  --navy-soft: #1e2540;
  --text-muted: #5a6278;
  --bg: #f8f9fc;
  --surface: #ffffff;
  --border: #e4e8f0;

  --green: #a3ff33;
  --cyan: #00e5ff;
  --blue: #007bff;

  --gradient: linear-gradient(135deg, var(--green) 0%, var(--cyan) 50%, var(--blue) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(163, 255, 51, 0.12) 0%, rgba(0, 229, 255, 0.1) 50%, rgba(0, 123, 255, 0.08) 100%);

  --max-width: 720px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(18, 22, 41, 0.06);
  --shadow-lg: 0 12px 48px rgba(18, 22, 41, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--navy);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: #0056cc;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: calc(var(--max-width) + 4rem);
  margin: 0 auto;
  padding: 1rem 2rem;
  background: rgba(248, 249, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  height: 36px;
  width: auto;
}

.brand span {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
}

.site-header nav {
  display: flex;
  gap: 0.25rem;
}

.site-header nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-header nav a:hover {
  color: var(--navy);
  background: rgba(18, 22, 41, 0.05);
  text-decoration: none;
}

/* Hero */

.hero {
  position: relative;
  max-width: calc(var(--max-width) + 4rem);
  margin: 0 auto;
  padding: 3.5rem 2rem 4.5rem;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 420px;
  background: var(--gradient-soft);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.hero-logo {
  position: relative;
  display: block;
  width: min(220px, 60vw);
  height: auto;
  margin: 0 auto 2rem;
}

.legal-name {
  position: relative;
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.hero h1 {
  position: relative;
  font-size: clamp(2.125rem, 5.5vw, 3rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--navy);
}

.hero h1 .gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  position: relative;
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 34em;
  margin: 0 auto;
  line-height: 1.7;
}

/* Sections */

.section {
  max-width: calc(var(--max-width) + 4rem);
  margin: 0 auto;
  padding: 3rem 2rem;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.section h2::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

.section > p,
.section-inner > p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section > p + p,
.section-inner > p + p,
.section > p + .meta,
.section-inner > p + .meta {
  margin-top: 0.875rem;
}

.meta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 1.25rem;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.meta::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

/* About card */

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

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

/* Services */

.service-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.service-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-list li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 123, 255, 0.2);
}

.service-icon {
  width: 2.5rem;
  height: 3px;
  border-radius: 2px;
  background: var(--gradient);
  margin-bottom: 1.25rem;
}

.service-list h3 {
  font-size: 1.05rem;
  font-weight: 650;
  margin-bottom: 0.5rem;
  color: var(--navy);
}

.service-list p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Product */

.product-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient);
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.product-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(0, 123, 255, 0.08);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.product-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: var(--navy);
}

.product-info p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.product-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  background: var(--navy);
  color: #fff !important;
  transition: background 0.2s ease, transform 0.2s ease;
}

.product-link:hover {
  background: var(--navy-soft);
  transform: translateX(2px);
  text-decoration: none;
}

.product-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.product-link:hover::after {
  transform: translateX(3px);
}

/* Contact */

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow);
}

.contact-card > p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.contact-list {
  list-style: none;
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease;
}

.contact-list li:hover {
  border-color: rgba(0, 123, 255, 0.25);
}

.contact-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-list a {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--navy);
}

.contact-list a:hover {
  color: var(--blue);
  text-decoration: none;
}

/* Footer */

.site-footer {
  max-width: calc(var(--max-width) + 4rem);
  margin: 2rem auto 0;
  padding: 2.5rem 2rem 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.site-footer .footer-logo {
  display: block;
  width: 100px;
  height: auto;
  margin: 0 auto 1rem;
  opacity: 0.7;
}

/* Responsive */

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
  }

  .site-header nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.125rem;
  }

  .hero {
    padding: 2.5rem 1.25rem 3rem;
  }

  .hero-logo {
    width: min(180px, 70vw);
    margin-bottom: 1.5rem;
  }

  .section {
    padding: 2.25rem 1.25rem;
  }

  .about-card,
  .contact-card {
    padding: 1.5rem;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .product-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
  }

  .product-link {
    width: 100%;
    justify-content: center;
  }
}