/* ──────────  BASIC RESETS  ────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Inter", system-ui, sans-serif; }

/* ──────────  NAV BAR  ────────── */
header {
  background: #1d3557;               /* navy */
  color: #fff;
  width: 100%;
  position: sticky;                  /* stays at top on scroll */
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  gap: 24px;
  align-items: center;
}

/* logo (if you want one at left) */
nav img.logo {
  height: 38px;
  margin-right: 12px;
}

/* links */
nav a {
  color: #fefefe;
  text-decoration: none;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

nav a:hover,
nav a:focus {
  color: #00b4d8;                    /* cyan accent */
}

/* underline slide-in effect */
nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0%;
  height: 2px;
  background: #00b4d8;
  transition: width 0.25s ease;
}

nav a:hover::after,
nav a:focus::after {
  width: 100%;
}

/* ──────────  MOBILE  ────────── */
@media (max-width: 640px) {
  nav {
    flex-wrap: wrap;
    gap: 16px;
  }
}

.hero {
  position: relative;
  height: 100vh;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
              url('/img/hero-bg.jpg') no-repeat center center / cover;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: #ffffff;
}

.hero-content {
  max-width: 800px;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.4);
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.hero-logo {
  width: 80px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
}

.subheadline {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #e0e0e0;
  line-height: 1.6;
}

.cta-button {
  background: var(--accent);
  color: #ffffff;
  font-size: 1.1rem;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.cta-button:hover {
  background: #009ec7;
}