/* Base Styles */
:root {
    /* Light Theme Variables */
    --light-bg: #ffffff;
    --light-text: #333333;
    --light-accent: #007bff;
    --light-secondary: #f8f9fa;
    
    /* Dark Theme Variables */
    --dark-bg: #1a1a1a;
    --dark-text: #ffffff;
    --dark-accent: #00a8ff;
    --dark-secondary: #2d2d2d;
    
    /* Common Variables */
    --transition-speed: 0.3s;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    transition: background-color var(--transition-speed),
                color var(--transition-speed);
}

/* Navigation Styles */
.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    position: relative;
    padding-bottom: 0.25rem;
}

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

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

/* Flipcard Styles */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
    margin-top: 80px;
}

.flipcard {
    perspective: 1000px;
    height: 300px;
}

.flipcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flipcard:hover .flipcard-inner {
    transform: rotateY(180deg);
}

.flipcard-front, .flipcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--box-shadow);
}

.flipcard-back {
    transform: rotateY(180deg);
}

/* Footer Styles */
footer {
    margin-top: auto;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
    font-size: 1.5rem;
}

.social-icons a {
    transition: transform var(--transition-speed);
}

.social-icons a:hover {
    transform: translateY(-5px);
}

/* Button Styles */
.cta-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: transform var(--transition-speed),
                box-shadow var(--transition-speed);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color var(--transition-speed);
}

.theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}