:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e67e22;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--dark-text);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background-color: #fff;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--secondary-color) !important;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #d35400;
    border-color: #d35400;
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

/* Features/Benefits */
.section-padding {
    padding: 80px 0;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

/* Certificate Section */
.cert-section {
    background-color: var(--light-bg);
}

.cert-img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.cert-img:hover {
    transform: scale(1.02);
}

/* Profile Section */
.profile-img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* Contact/Footer */
footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 50px 0 20px;
}

footer a {
    color: #bdc3c7;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
}