:root {
  --color-blue: #0b2570;
  --color-teal: #007b75;
  --color-muted: #5a5a5a;
  --bg-from: #ffffff;
  --bg-to: #edf4f9;
  --font-display: "Convergence", sans-serif;
  --font-body: "Content", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-blue);
  background: url("../images/BGSimpul-Mobilev1.1.png") center / cover no-repeat,
    linear-gradient(135deg, var(--bg-from) 0%, var(--bg-to) 100%);
}

a {
  text-decoration: none;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header / logo */
.site-header {
  padding: 2rem 1.5rem 0;
  text-align: center;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo-image {
  height: 48px;
  width: auto;
}

/* Hero */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  min-width: 0;
}

.hero-content {
  width: 100%;
  max-width: 640px;
  min-width: 0;
  text-align: center;
}

.headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.2;
  margin: 0 0 1.5rem;
}

.text-teal {
  color: var(--color-teal);
}

.text-blue {
  color: var(--color-blue);
}

.subhead {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-muted);
  margin: 0;
  line-height: 1.5;
}

.subhead strong {
  font-weight: 700;
}

.desktop-only {
  display: none;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 1.5rem 1.5rem 2rem;
}

.cta {
  font-size: 0.95rem;
  color: var(--color-blue);
  margin: 0 0 1rem;
}

.cta-link {
  color: var(--color-teal);
  font-weight: 700;
}

.cta-link .arrow {
  display: inline-block;
  margin-left: 0.25rem;
  transition: transform 0.15s ease;
}

.cta-link:hover .arrow {
  transform: translateX(3px);
}

.copyright {
  font-size: 0.85rem;
  color: var(--color-blue);
  font-weight: 700;
  margin: 0;
}

/* Desktop breakpoint */
@media (min-width: 640px) {
  body {
    background: url("../images/BGSimpul-Desktopv1.1.png") center / cover no-repeat,
      linear-gradient(135deg, var(--bg-from) 0%, var(--bg-to) 100%);
  }

  .site-header {
    padding-top: 3rem;
  }

  .logo-image {
    height: 56px;
  }

  .hero-content {
    max-width: 1024px;
  }

  .desktop-only {
    display: inline;
  }

  .site-footer {
    padding-bottom: 3rem;
  }

  .cta {
    font-size: 1rem;
  }
}