/* -------------------------------
   GLOBAL LAYOUT 
------------------------------- */
:root {
  --primary-color: #0078ff;
  --accent-color: #00c2ff;
  --text-light: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.55);
  --font-main: 'Raleway', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text-light);
  min-height: 100vh;
  background: linear-gradient(var(--bg-overlay), var(--bg-overlay)),
              url('assets/background-image.jpg') center/cover no-repeat fixed;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-x: hidden;
}

/* -------------------------------
   HERO (HEADER + MAIN)
------------------------------- */
.hero-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;  /* centers vertically */
  align-items: center;      /* centers horizontally */
  text-align: center;
  padding: 2rem 1rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.hero-container.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------------------
   HEADER
------------------------------- */
.site-header {
  max-width: 800px;
  margin-bottom: 2rem;
}

.site-header img {
  width: 150px;
  margin-bottom: 1.5rem;
}

.site-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  line-height: 1.2;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.site-header p {
  font-size: 1.2rem;
  opacity: 0.95;
  margin: 0 auto 1.5rem;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* -------------------------------
   MAIN SECTION
------------------------------- */
.intro h2 {
  font-size: 1.5rem;
  color: var(--text-light);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  margin-bottom: 1.5rem;
}

.school-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* -------------------------------
   BUTTONS
------------------------------- */
.btn {
  background: var(--primary-color);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: 50px;
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  transition: all 0.25s ease;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0, 120, 255, 0.3);
}

.btn:hover,
.btn:focus {
  background: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 194, 255, 0.4);
  outline: none;
}

.btn:active {
  transform: translateY(0);
}

/* -------------------------------
   FOOTER 
------------------------------- */
footer {
  width: 100%;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
  color: #ddd;
  text-align: center;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  background: transparent;
}

footer p {
  margin: 0;
  display: inline-block;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

footer span#year {
  color: var(--accent-color);
}

/* -------------------------------
   RESPONSIVE DESIGN
------------------------------- */
@media (max-width: 768px) {
  .site-header h1 {
    font-size: 2.2rem;
  }

  .site-header p {
    font-size: 1rem;
  }

  .btn {
    width: 85%;
    max-width: 320px;
  }
}

/* -------------------------------
   ACCESSIBILITY
------------------------------- */
a:focus,
button:focus {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
}