:root {
  --blue: rgba(33, 150, 243, 0.85);
  --green: rgba(76, 175, 80, 0.85);
  --orange: rgba(255, 152, 0, 0.85);
  --purple: rgba(156, 39, 176, 0.85);
  --dark: #0f172a;
}

* {
  box-sizing: border-box;
  font-family: "Courier New", Courier, monospace;
}

body {
  margin: 0;
  background: #141414;
  color: #1e293b;
  width: 100%;
  height: 100vh;
}

/* ---------- HEADER ---------- */
header {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(255, 255, 255);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

header img {
  height: 48px;
  max-width: 100%;
  filter: grayscale(0.6);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  height: 60vh;
  background: url("/img/hero-cover.jpeg") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 13, 57, 0.45);
}
.hero h3 {
  position: relative;
  color: #dedede;
  font-size: 1.2rem;
  text-align: center;
  z-index: 1;
}
.hero h1 {
  position: relative;
  color: #fff;
  font-size: 1.8rem;
  text-align: center;
  z-index: 1;
}
.hero img {
  position: relative;
  color: #dedede;
  font-size: 1.2rem;
  text-align: center;
  z-index: 1;
  width: 80px;
  padding: 3px;
  background-color: white;
  border-radius: 50%;
}

/* ---------- BUTTON GRID ---------- */
.container {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 16px;
  height: auto;
  scrollbar-width: thin;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  height: 160px;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.card:hover {
  transform: scale(1.04);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.15);
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  padding: 16px;
}

.blue {
  background:
    linear-gradient(var(--blue), var(--blue)),
    url("/img/btn1.jpeg") center / cover no-repeat;
}

.green {
  background:
    linear-gradient(var(--green), var(--green)),
    url("/img/btn1.jpeg") center / cover no-repeat;
}

.orange {
  background:
    linear-gradient(var(--orange), var(--orange)),
    url("/img/btn3.jpeg") center / cover no-repeat;
}

.purple {
  background:
    linear-gradient(var(--purple), var(--purple)),
    url("/img/btn4.jpeg") center / cover no-repeat;
}

/* ---------- FOOTER ---------- */
footer {
  margin-top: 50px;
  padding: 18px;
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
  background: white;
  border-top: 1px solid #e2e8f0;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.25rem;
  }
  .hero h3 {
    font-size: 1rem;
  }
}