@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* Root variables */
:root {
  --primary-color: #2a4d8f;
  --accent-color: #fbbd0a;
  --background-color: #f9fbfd;
  --text-color: #1c1e21;
  --muted-color: #555;
  --white: #ffffff;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.3s ease;
}

/* Layout baseline */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  font-size: 16px;
  flex: 1;
}

/* Header */
header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  padding: 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
}

/* Navigation */
nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 10px;
  gap: 24px;
  list-style: none;
}

nav a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  padding: 4px 6px;
  transition: color var(--transition);
}

nav a:hover {
  color: var(--primary-color);
}

/* Hero */
.hero {
  padding: 100px 20px 60px;
  background: linear-gradient(to right, #edf1f7, #ffffff);
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.hero p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--muted-color);
}

/* Content sections */
.content {
  padding: 60px 20px;
  max-width: 900px;
  margin: auto;
}

.content h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--primary-color);
  border-left: 6px solid var(--accent-color);
  padding-left: 14px;
}

.content h3 {
  margin-top: 30px;
  color: var(--primary-color);
  font-size: 1.25rem;
}

.content p,
.content li {
  margin-bottom: 16px;
  color: var(--text-color);
}

.content ul {
  padding-left: 20px;
}

/* Form */
form {
  background: var(--white);
  padding: 30px;
  box-shadow: var(--shadow);
  border-radius: 10px;
  margin-top: 30px;
}

form input,
form textarea {
  width: 100%;
  padding: 14px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 16px; /* prevents iOS zoom */
}

form button {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--transition);
}

form button:hover {
  background-color: #1f396e;
}

/* Small note below form */
form + p small {
  display: block;
  margin-top: 10px;
  color: var(--muted-color);
}

/* Footer */
footer {
  background: var(--white);
  padding: 40px 20px;
  text-align: center;
  font-size: 0.95rem;
  border-top: 1px solid #e0e0e0;
  color: var(--muted-color);
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.4;
  margin-top: auto;
  flex-shrink: 0;
}

footer p {
  margin-bottom: 16px;
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 10px;
  display: inline-block;
}

footer a:hover {
  text-decoration: underline;
}

/* Scroll animation */
.hidden {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  nav ul {
    gap: 16px;
    padding: 10px 0;
  }

  .content {
    padding: 40px 15px;
  }

  form {
    padding: 20px;
  }

  footer {
    padding: 30px 15px;
    font-size: 0.9rem;
  }

  footer p {
    margin-bottom: 14px;
  }

  footer a {
    margin: 6px 4px;
  }
}