/* -----------------------------------------
   solutionbureau — base styles
   Shared across all pages. Add new pages as
   sibling .html files and reuse this file plus
   the .site-header / .site-footer markup.
----------------------------------------- */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1f2b;
  --color-muted: #5b6472;
  --color-border: #e4e7ec;
  --color-accent: #378ADD;
  --color-accent-hover: #0C447C;
  --color-accent-light: #B5D4F4;
  --color-accent-soft: #E6F1FB;
  --color-surface: #f8f9fb;

  --container-width: 1080px;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--color-border);
  border-top: 4px solid;
  border-image: linear-gradient(90deg, var(--color-accent-light), var(--color-accent), var(--color-accent-hover)) 1;
}

.header-inner {
  display: flex;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

/* Hero */

.hero {
  padding: 48px 0 32px;
  text-align: center;
  background: radial-gradient(ellipse at top, var(--color-accent-soft) 0%, var(--color-bg) 65%);
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--color-accent-hover);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--color-muted);
  margin: 0 auto;
  max-width: 560px;
}

/* Products / cards */

.products {
  padding: 0 0 48px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 320px));
  justify-content: center;
  gap: 24px;
}

.card {
  display: block;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius);
  background: var(--color-surface);
  padding: 32px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover,
.card:focus-visible {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(12, 68, 124, 0.16);
}

.card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.card-desc {
  color: var(--color-muted);
  margin: 0 0 12px;
}

.card-subdesc {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

.card-link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.card:hover .card-link {
  color: var(--color-accent-hover);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 6px 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Responsive */

@media (max-width: 600px) {
  .hero {
    padding: 32px 0 24px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .products {
    padding-bottom: 32px;
  }

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