/* Global settings */
:root {
  color-scheme: light;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #0f172a;
  background: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-strong: #e2e8f0;
  --text-muted: #475569;
  --primary: #2563eb;
  --primary-soft: #eff6ff;
  --border: #cbd5e1;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(37, 99, 235, 0.14), transparent 34%), linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

/* Header and top bar */
.top-bar {
  background: #1e40af;
  color: #ffffff;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 0;
}

.top-bar-text {
  font-size: 0.95rem;
}

.top-bar-social a {
  color: #ffffff;
  margin-left: 1rem;
  font-size: 1rem;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

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

.brand img {
  height: 56px;
}

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

.site-nav ul {
  display: flex;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: #102a43;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: #1d4ed8;
}

.menu-toggle {
  display: none;
  width: 2.4rem;
  height: 2rem;
  border: none;
  background: transparent;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: #102a43;
  border-radius: 999px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  background-image: url('assets/lea.png');
  background-size: cover;
  background-position: center;
  filter: brightness(0.42);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.82), rgba(37, 99, 235, 0.38));
}

.hero-copy {
  position: relative;
  z-index: 1;
  color: #ffffff;
  max-width: 800px;
  padding: 5rem 0;
}

.hero-copy .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: #93c5fd;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1.03;
}

.hero-copy p {
  margin: 1.2rem 0 1.8rem;
  max-width: 46rem;
  color: #dbeafe;
  font-size: 1.05rem;
}

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

/* Sections */
.section {
  padding: 4rem 0;
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading .eyebrow {
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: #2563eb;
  font-weight: 700;
  font-size: 0.85rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.05;
  color: #102a43;
}

.section-heading p {
  margin-top: 1rem;
  color: #475569;
  max-width: 68ch;
}

.card-grid,
.content-grid,
.event-grid,
.client-grid {
  display: grid;
  gap: 1.5rem;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-strong);
  border-radius: 1.5rem;
  padding: 1.75rem;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card h3 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  color: #102a43;
}

.card p {
  margin: 0 0 1.25rem;
  color: #475569;
  line-height: 1.75;
}

.card-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 700;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
}

.contact-copy p,
.news-list ul,
.event-grid ul {
  color: #475569;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.6rem;
  font-weight: 600;
  color: #102a43;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
  font-weight: 700;
  text-decoration: none;
}

.btn-primary {
  background: #2563eb;
  color: #ffffff;
}

.btn-secondary {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #c7d2fe;
}

.section-action {
  margin-top: 1.5rem;
}

.content-grid {
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
}

.text-block p {
  margin-bottom: 1.5rem;
}

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

.detail-card {
  background: var(--surface);
  border: 1px solid var(--surface-strong);
  border-radius: 1.5rem;
  padding: 1.75rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.detail-card h3 {
  margin-top: 0;
  color: #102a43;
}

.detail-card p {
  margin: 0.85rem 0 0;
  color: #475569;
  line-height: 1.75;
}

.download-list {
  display: grid;
  gap: 0.9rem;
}

.download-list a {
  color: #2563eb;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.download-list a:hover {
  border-color: #2563eb;
}

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

.video-card {
  background: var(--surface);
  border: 1px solid var(--surface-strong);
  border-radius: 1.5rem;
  padding: 1.75rem;
}

.video-card h3 {
  margin-top: 0;
}

.video-card p {
  margin: 0.85rem 0 1rem;
  color: #475569;
}

.page-hero {
  padding: 5rem 0;
}

.page-hero .hero-copy {
  padding: 0;
}

.page-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(59, 130, 246, 0.9));
  color: white;
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
}

.page-banner p {
  max-width: 60ch;
}

.news-list ul,
.event-grid ul {
  list-style: inside disc;
  margin: 0;
  padding: 0;
}

.client-grid {
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  align-items: center;
}

.client-grid img {
  width: 100%;
  height: 100px;
  object-fit: contain;
  border-radius: 1rem;
}

.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 2.5rem 0 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}

.float {
  position: fixed;
  width: 56px;
  height: 56px;
  bottom: 28px;
  right: 28px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
  z-index: 30;
}

.float i {
  font-size: 1.3rem;
}

@media (max-width: 1024px) {
  .card-grid,
  .product-grid,
  .content-grid,
  .client-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .top-bar-inner,
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav {
    position: absolute;
    inset: 80px 1rem auto auto;
    background: #ffffff;
    padding: 1.25rem;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.14);
    display: none;
    width: calc(100% - 2rem);
  }
  .site-nav.open {
    display: block;
  }
  .site-nav ul {
    display: grid;
    gap: 1rem;
  }
  .menu-toggle {
    display: flex;
  }
  .hero {
    min-height: 72vh;
  }
  .hero-copy {
    padding: 3rem 0;
  }
  .card-grid,
  .product-grid,
  .client-grid {
    grid-template-columns: 1fr;
  }
}