/* Global Styles & Variables */
:root {
    --primary-color: #6d5dfc;
    --secondary-color: #3c1e82;
    --light-bg: #f5f5f7;
    --text-color: #333;
    --white: #ffffff;
}

body {
    padding-top: 56px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

/* Navigation Bar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.navbar .navbar-brand, .navbar .nav-link {
    color: var(--secondary-color) !important;
    font-weight: 500;
}
.navbar .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    height: 70vh;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

/* About Section */
#about {
    background-color: var(--white);
    padding: 6rem 0;
}
.profile-pic-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    border-radius: 50%;
    border: 8px solid var(--white);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Portfolio Section */
#portfolio {
    background-color: var(--light-bg);
    padding: 6rem 0;
}
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}
.portfolio-item-placeholder {
    height: 220px;
    border-radius: 15px 15px 0 0;
}
/* Colorful placeholders */
.portfolio-item:nth-child(1) .portfolio-item-placeholder { background: linear-gradient(45deg, #ff9a9e, #fad0c4); }
.portfolio-item:nth-child(2) .portfolio-item-placeholder { background: linear-gradient(45deg, #a1c4fd, #c2e9fb); }
.portfolio-item:nth-child(3) .portfolio-item-placeholder { background: linear-gradient(45deg, #84fab0, #8fd3f4); }


/* Contact Section */
#contact {
    background-color: var(--white);
    padding: 6rem 0;
}
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: background-color 0.3s;
}
.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Footer */
footer.bg-dark {
    background-color: var(--secondary-color) !important;
}