/* Dark Blue Theme CSS */
:root {
    --dark-blue: #1A2A44;
    --accent-blue: #3B82F6;
    --light-blue: #60A5FA;
    --white: #FFFFFF;
    --gray: #D1D5DB;
    --accent-orange: #F28C38; /* Grab-Note's brand color */
}

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

body {
    font-family: 'Roboto', Arial, sans-serif;
    background-color: var(--dark-blue);
    color: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background-color: var(--dark-blue);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

.menu {
    display: flex;
    gap: 20px;
}

.menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.menu a:hover {
    color: var(--light-blue);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--white);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 42, 68, 0.8), rgba(26, 42, 68, 0.8)), url('/projects/grab-it-suite/grab-note/assets/hero-background.jpg');
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: 100px 20px;
    color: var(--white);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--accent-orange);
    color: var(--white);
    text-decoration: none;
    font-size: 18px;
    border-radius: 5px;
    transition: background-color 0.3s, transform 0.2s;
}

.cta-button:hover {
    background-color: #EF6C00;
    transform: scale(1.05);
}

/* Features Section */
.features {
    padding: 60px 20px;
    background-color: #2A3B5A;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--light-blue);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--dark-blue);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.feature-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--accent-orange);
}

.feature-card p {
    font-size: 16px;
    color: var(--gray);
}

/* How to Use Section */
.how-to-use {
    padding: 60px 20px;
    background-color: var(--dark-blue);
    text-align: center;
}

.how-to-use h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--light-blue);
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.step {
    max-width: 300px;
    padding: 20px;
}

.step img {
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--accent-orange);
}

.step p {
    font-size: 16px;
    color: var(--gray);
}

/* Use Cases Section */
.use-cases {
    padding: 60px 20px;
    background-color: var(--dark-blue);
    text-align: center;
}

.use-cases h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--light-blue);
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.use-case {
    background-color: #2A3B5A;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.use-case:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.use-case img {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

.use-case h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--accent-orange);
}

.use-case p {
    font-size: 16px;
    color: var(--gray);
}

/* Responsive Design for Use Cases */
@media (max-width: 768px) {
    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .use-case img {
        max-width: 150px;
    }
}

/* Call to Action Section */
.cta-final {
    padding: 60px 20px;
    background-color: var(--accent-blue);
    text-align: center;
}

.cta-final h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-final p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background-color: var(--dark-blue);
    padding: 20px;
    text-align: center;
    color: var(--gray);
    font-size: 14px;
}

footer a {
    color: var(--light-blue);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--dark-blue);
        padding: 20px;
    }

    .menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

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

    .screenshot-gallery {
        grid-template-columns: repeat(auto-fit, minmax(112.5px, 1fr));
    }

    .screenshot {
        width: 112.5px;
        height: 75px;
    }

    .screenshot-overlay {
        font-size: 12px;
    }

    .screenshot-name {
        font-size: 10px;
        padding: 3px 8px;
    }

    .lightbox-content {
        grid-template-columns: 1fr; /* Stack vertically on mobile */
        grid-template-areas: 
            "image"
            "separator"
            "caption";
    }

    .lightbox-image-container {
        max-width: 100%;
        padding: 10px;
    }

    .lightbox-image {
        max-height: 50vh;
    }

    .lightbox-separator {
        width: 80%;
        height: 2px;
        margin: 10px auto;
    }

    .lightbox-caption {
        max-width: 100%;
        padding: 10px;
        text-align: left;
        align-self: flex-start;
    }
}