/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

/* Light Mode (Default) */
:root {
    --bg-color: linear-gradient(135deg, #f8f9fa, #e3f2fd);
    --text-color: #333;
    --navbar-bg: rgba(255, 255, 255, 0.9);
    --feature-bg: white;
    --button-bg: linear-gradient(45deg, #57CC99, #3A86FF);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Dark Mode */
.dark-mode {
    --bg-color: linear-gradient(135deg, #1e1e1e, #121212);
    --text-color: #f1f1f1;
    --navbar-bg: rgba(30, 30, 30, 0.9);
    --feature-bg: #252525;
    --button-bg: linear-gradient(45deg, #57CC99, #3A86FF);
    --shadow-color: rgba(255, 255, 255, 0.1);
}

/* Apply Theme */
body {
    background: var(--bg-color);
    color: var(--text-color);
    text-align: center;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navbar-bg);
    padding: 15px;
    box-shadow: 0px 4px 10px var(--shadow-color);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    margin: 10px auto;
    width: 90%;
    position: relative;
}

/* Navbar Links */
.navbar a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    margin: 0 15px;
    transition: 0.3s;
}

.navbar a:hover {
    color: #3A86FF;
    text-shadow: 0px 0px 10px rgba(58, 134, 255, 0.5);
}

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 60px 20px;
    min-height: 80vh;
    background: var(--feature-bg);
    box-shadow: 0px 5px 15px var(--shadow-color);
    border-radius: 20px;
    margin: 30px auto;
    max-width: 90%;
}

.hero-content {
    text-align: left;
    max-width: 500px;
}

.hero-content h1 {
    font-size: 4rem;
    text-transform: uppercase;
    font-weight: 700;
    background: linear-gradient(45deg, #3A86FF, #57CC99);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 300;
    margin: 10px 0;
    color: var(--text-color);
}

/* CTA Button */
.cta-btn {
    margin-top: 20px;
    padding: 14px 28px;
    border: none;
    background: var(--button-bg);
    color: white;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0px 4px 10px var(--shadow-color);
    transition: all 0.3s ease-in-out;
}

.cta-btn a {
    text-decoration: none;
    color: white;
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0px 6px 15px rgba(58, 134, 255, 0.5);
}

/* Features Section */
.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.feature-item {
    background: var(--feature-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0px 5px 15px var(--shadow-color);
    transition: 0.3s;
    text-align: center;
    max-width: 250px;
}

.feature-item img {
    max-width: 100px;
    height: auto;
    margin-bottom: 10px;
}

.feature-item h3 {
    color: #3A86FF;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0px 6px 20px var(--shadow-color);
}

/* How It Works */
.how-it-works {
    padding: 100px 20px;
    background: var(--feature-bg);
    border-radius: 20px;
    box-shadow: 0px 4px 15px var(--shadow-color);
    margin: 50px auto;
    max-width: 90%;
    font-size: 35px;
}

.working-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
}

.left-working {
    max-width: 1200px;
    text-align: left;
    font-size: 50px;
}

.text-lightBlue {
    color: #3A86FF;
}

.ul-items {
    list-style-type: none;
    padding: 0;
}

.check-list-items {
    padding: 10px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
}

/* Responsive Image Fix */
.right-working-image img {
    max-width: 600px;
    height: auto;
}

/* Footer */
footer {
    margin-top: 50px;
    padding: 20px;
    background: var(--navbar-bg);
    text-align: center;
    box-shadow: 0px -4px 10px var(--shadow-color);
}

/* Dark Mode Toggle Button */
#theme-toggle {
    padding: 8px 14px;
    background: var(--button-bg);
    color: white;
    font-size: 0.9rem;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease-in-out;
    margin-left: auto;
}

#theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0px 4px 10px rgba(58, 134, 255, 0.5);
}

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

/* Responsive Design */
@media screen and (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        text-align: center;
        margin-bottom: 20px;
    }

    .features {
        flex-direction: column;
        align-items: center;
    }

    .working-content {
        flex-direction: column;
        text-align: center;
    }

    .right-working-image img {
        max-width: 250px;
    }
}