/* Global Styles */
:root {
    --primary-color: #0061f2;
    --secondary-color: #00cfd5;
    --dark-color: #1a1f2c;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #0061f2 0%, #00cfd5 100%);
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Open Sans', sans-serif;
    color: #4a5568;
    overflow-x: hidden;
    background-color: #fcfcfc;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--dark-color);
}

/* Navbar - Glassmorphism */
#mainNav {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding-top: 1rem;
    padding-bottom: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

#mainNav .navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-color);
    letter-spacing: -0.5px;
}

#mainNav .navbar-brand span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#mainNav .nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: #6c757d;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

#mainNav .nav-link.active,
#mainNav .nav-link:hover {
    color: var(--primary-color);
}

#mainNav .btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 207, 213, 0.3);
    transition: transform 0.2s;
}

#mainNav .btn-primary:hover {
    transform: translateY(-2px);
}

/* Header / Hero */
header.masthead {
    padding-top: 12rem;
    padding-bottom: 8rem;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, rgba(26, 31, 44, 0.9) 0%, rgba(0, 97, 242, 0.8) 100%), url('https://source.unsplash.com/1600x900/?modern,architecture');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

header.masthead .masthead-subheading {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
}

header.masthead .masthead-heading {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    padding: 1rem 2.5rem;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(0, 97, 242, 0.2);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056d6 0%, #00b8be 100%);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0, 97, 242, 0.3);
}

/* Sections */
.page-section {
    padding: 6rem 0;
}

.section-heading {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-heading::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.section-subheading {
    border: 1px solid #e0e5ec;
    background-color: #f8f9fa;
    transition: all 0.3s;
}

.form-control:focus {
    background-color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 97, 242, 0.1);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: #fff;
}

footer .btn-social {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: all 0.3s;
}

footer .btn-social:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}