:root {
  --primary: #062B5A;
  --secondary: #103A68;
  --teal: #1DA7B2;
  --light-teal: #38C4C9;
  --light: #EDEDED;
  --guide-gray: #C9D4D8;
  --white: #ffffff;

  --dark: #062B5A;
  --transition: 0.4s ease;
  --shadow: 0 10px 25px rgba(0,0,0,0.1);
  --radius: 16px;
}

/* GLOBAL */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  background-color: var(--light);
  color: var(--dark);
  overflow-x: hidden;
}

/* HERO */
.sp-hero {
  position: relative;
  height: 70vh;
  background:
    linear-gradient(rgba(6, 43, 90, 0.75), rgba(16, 58, 104, 0.75)),
    url('../img/aboutus/15.jpg') no-repeat center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
  overflow: hidden;
  animation: fadeInHero 1.5s ease forwards;
}

.sp-hero .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 43, 90, 0.7),
    rgba(16, 58, 104, 0.6)
  );
}

.sp-hero .hero-inner {
  position: relative;
  max-width: 700px;
  padding: 0 20px;
  animation: slideUp 1.5s ease forwards;
}

.sp-hero h1 {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--white);
}

.sp-hero p {
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: 0.95;
  color: var(--guide-gray);
}

/* INFO CARDS */
.sp-info {
  padding: 80px 6% 40px;
  background: var(--white);
  animation: fadeIn 1.2s ease forwards;
}

.sp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
}

.sp-card {
  background: var(--light);
  padding: 2rem;
  text-align: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--guide-gray);
  transition: var(--transition);
}

.sp-card i {
  font-size: 2rem;
  color: var(--teal);
  margin-bottom: 1rem;
}

.sp-card h3 {
  color: var(--primary);
  margin-bottom: 0.8rem;
}

.sp-card p {
  color: var(--secondary);
  line-height: 1.7;
}

.sp-card:hover {
  transform: translateY(-8px);
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--secondary)
  );
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.sp-card:hover h3,
.sp-card:hover p,
.sp-card:hover i {
  color: var(--white);
}

/* FORM SECTION */
.sp-form-section {
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--secondary)
  );
  padding: 80px 6%;
  color: var(--white);
  text-align: center;
  animation: fadeIn 1.4s ease forwards;
}

.form-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 3rem 2rem;
  border-radius: var(--radius);
  max-width: 600px;
  margin: 0 auto;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.form-box h2 {
  font-size: 2rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input,
select,
textarea {
  padding: 0.9rem 1rem;
  border: 1px solid var(--guide-gray);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.95);
  color: var(--dark);
  font-family: inherit;
  transition: var(--transition);
}

input::placeholder,
textarea::placeholder {
  color: #6b7280;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--light-teal);
  box-shadow: 0 0 0 3px rgba(56, 196, 201, 0.35);
}

button {
  background: linear-gradient(
    135deg,
    var(--teal),
    var(--light-teal)
  );
  color: var(--white);
  border: none;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

button:hover {
  transform: translateY(-3px);
  background: linear-gradient(
    135deg,
    var(--light-teal),
    var(--teal)
  );
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

#message {
  margin-top: 1rem;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.2);
  font-weight: 500;
}

.hidden {
  display: none;
}

/* ANIMATIONS */
@keyframes fadeInHero {
  from {
    opacity: 0;
    transform: scale(1.05);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

  .sp-hero p {
    font-size: 1rem;
  }

  .form-box {
    padding: 2rem 1.5rem;
  }

  .sp-grid {
    gap: 1.5rem;
  }
}