/* Base Styles */
:root {
    --primary-color: #0074BD; /* Java blue */
    --secondary-color: #F89820; /* Java orange */
    --accent-color: #5382a1; /* Java light blue */
    --dark-color: #1a1a1a;
    --light-color: #ffffff;
    --gray-color: #f4f4f4;
    --dark-gray: #333333;
    --text-color: #333333;
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}
.pdf-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.pdf-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  background: #f5f5f5;
  border: 2px dashed #ccc;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.pdf-preview:hover {
  background: #e9e9e9;
  border-color: #999;
}

.pdf-preview i {
  font-size: 2rem;
  margin-right: 10px;
  color: #d32f2f;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--gray-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul, ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

img {
    max-width: 100%;
    height: auto;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    outline: none;
}

.primary-btn {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.primary-btn:hover {
    background-color: #005ea6;
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 116, 189, 0.2);
}

.secondary-btn {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.secondary-btn:hover {
    background-color: #e08200;
    color: var(--dark-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(248, 152, 32, 0.2);
}

.outline-btn {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.outline-btn:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-2px);
}

.btn i {
    margin-left: 8px;
}

/* Navbar Styles */
.navbar {
    background-color: var(--light-color);
    box-shadow: var(--box-shadow);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo span {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 20px;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--dark-color);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
}

.menu-btn {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

/* Section Styles */
.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    color: var(--primary-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    border-radius: 4px;
}

/* Footer Styles */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-logo span {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 20px;
    color: var(--light-color);
}

.footer-links h3,
.footer-social h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--light-color);
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-social h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--light-color);
    border-radius: 50%;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--secondary-color);
    color: var(--dark-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Glassmorphism Styles */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Utilities */
.highlight {
    color: var(--secondary-color);
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
    .container {
        padding: 0 30px;
    }

    .section-title {
        font-size: 28px;
    }
}

@media screen and (max-width: 768px) {
    .menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--light-color);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px;
        transition: var(--transition);
        gap: 30px;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-links h3::after,
    .footer-social h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-icons {
        justify-content: center;
    }

    .footer-links a:hover {
        transform: none;
    }
}

@media screen and (max-width: 576px) {
    .container {
        padding: 0 20px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .section-title {
        font-size: 24px;
    }
}