:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --text: #111827;
  --muted: #475569;
  --primary: #0ea5e9;
  --primary-dark: #0369a1;
  --accent: #22c55e;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(14, 165, 233, 0.12), transparent 30%), var(--bg);
  color: var(--text);
}

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

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.24);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-decoration: none;
}

.logo {
  height: 64px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

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

.site-nav a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  display: block;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.hero-section {
  padding: 5rem 0 4rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--primary);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.75rem, 4vw, 4.5rem);
  line-height: 1.03;
  margin: 0;
}

.lead {
  max-width: 46rem;
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.65rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
}

.btn-secondary {
  background: rgba(14, 165, 233, 0.08);
  color: var(--text);
  border: 1px solid rgba(14, 165, 233, 0.24);
}

.hero-visual {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  justify-items: end;
}

.hero-image {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  object-fit: cover;
  min-height: 320px;
}

.hero-caption {
  max-width: 30rem;
}

.hero-chip {
  display: inline-flex;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.14);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-caption h2 {
  margin: 0 0 0.75rem;
}

.hero-caption p {
  color: var(--muted);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  padding: 2rem;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.section-label {
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--primary);
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.section-light {
  background: var(--surface-soft);
  padding: 4rem 0;
}

.section-dark {
  background: var(--bg);
  padding: 4rem 0;
}

.section-grid,
.contact-grid {
  display: grid;
  gap: 2rem;
}

.section-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.reverse-grid {
  direction: rtl;
}

.reverse-grid > * {
  direction: ltr;
}

.feature-list,
.solutions-list {
  display: grid;
  gap: 1rem;
}

.feature-list article,
.solutions-list article,
.feature-card {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 24px;
  padding: 1.5rem;
}

.feature-card {
  min-height: 190px;
}

.cards-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
}

.platform-images {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.75rem;
}

.platform-images img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.contact-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(241, 245, 249, 1));
}

.contact-grid {
  grid-template-columns: 1.6fr auto;
  align-items: center;
}

.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.footer-inner {
  display: flex;
  justify-content: center;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-content,
  .section-grid,
  .contact-grid,
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .hero-section {
    padding-top: 3rem;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(8, 15, 30, 0.97);
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

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

  .site-nav a {
    padding: 0.75rem 0;
  }

  .nav-toggle {
    display: flex;
  }

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

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

  .contact-grid {
    gap: 1.5rem;
  }
}