/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Cairo', sans-serif;
}

body {
  background: #f4f7fb;
  color: #222;
  line-height: 1.8;
}

/* ===== HERO ===== */
.hero {
  width: 100%;
  min-height: 45vh;
  background:
    linear-gradient(rgba(13, 27, 42, 0.85), rgba(13, 27, 42, 0.85)),
    url('https://images.unsplash.com/photo-1520607162513-77705c0f0d4a?q=80&w=1400&auto=format&fit=crop');

  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 40px;
}

.hero-content h1 {
  font-size: 55px;
  margin-bottom: 15px;
}

.hero-content p {
  font-size: 20px;
  color: #ddd;
  max-width: 800px;
  margin: auto;
}

/* ===== CONTAINER ===== */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 50px auto;
}

.main-title {
  text-align: center;
  margin-bottom: 50px;
}

.main-title h2 {
  font-size: 40px;
  color: #0d1b2a;
}

.main-title p {
  color: #555;
  margin-top: 10px;
}

/* ===== GRID ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}

/* ===== CARD ===== */
.card {
  background: #fff;
  padding: 25px;
  border-radius: 18px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  color: #0077b6;
  margin-bottom: 15px;
  font-size: 24px;
  border-bottom: 2px solid #eee;
  padding-bottom: 10px;
}

.card ul {
  padding-left: 18px;
}

.card li {
  margin-bottom: 8px;
  color: #444;
}

/* ===== CODE BOX ===== */
.code-box {
  background: #0d1b2a;
  color: #00e5ff;
  padding: 15px;
  border-radius: 10px;
  margin-top: 10px;
  overflow: auto;
  font-size: 15px;
}

/* ===== DOWNLOAD BUTTON ===== */
.download-section {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 20px;
}

.download-btn {
  display: inline-block;
  background: #00b4d8;
  color: #fff;
  padding: 14px 30px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  transition: 0.3s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.download-btn:hover {
  background: #0096c7;
  transform: translateY(-3px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 36px;
  }

  .hero-content p {
    font-size: 17px;
  }

  .container {
    width: 95%;
  }
}