/* ===== Base Styles ===== */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --accent-color: #198754;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --body-font: 'Poppins', sans-serif;
}

body {
    font-family: var(--body-font);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

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

p {
    margin-bottom: 1rem;
}

/* ===== Navigation ===== */
.navbar {
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
}

.navbar-dark .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: #fff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link.active::after {
    width: 60%;
}

/* ===== Buttons ===== */
.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.btn-outline-light:hover {
    color: var(--primary-color);
    background-color: #fff;
}

/* ===== Hero Section ===== */
.hero-section {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section p.lead {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

/* ===== Cards ===== */
.card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 2rem;
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(13, 110, 253, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-box i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* ===== Section Styling ===== */
section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 0;
}

/* ===== Footer ===== */
footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 5rem 0 2rem;
}

footer h5 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

footer ul li {
    margin-bottom: 0.75rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

footer a:hover {
    color: #fff;
    padding-left: 5px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

/* ===== Form Styling ===== */
.form-control {
    padding: 0.75rem 1rem;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

textarea.form-control {
    min-height: 150px;
}

/* ===== Back to Top Button ===== */
.back-to-top {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== Responsive Styles ===== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: #fff;
        padding: 1rem;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-dark .navbar-nav .nav-link {
        color: var(--dark-color);
        padding: 0.5rem 0;
    }
    
    .navbar-dark .navbar-nav .nav-link::after {
        background-color: var(--primary-color);
    }
    
    .hero-section {
        padding: 6rem 0;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section p.lead {
        font-size: 1.25rem;
    }
}

@media (max-width: 767.98px) {
    section {
        padding: 4rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p.lead {
        font-size: 1.1rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
}