@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700&family=Open+Sans:wght@400;600&display=swap');
@import url('blog-styles.css');

:root {
    /* Color Palette */
    --navy-blue: #0a192f;
    --navy-light: #112240;
    --red: #e63946;
    --yellow: #ffb703;
    --white: #ffffff;
    --off-white: #f4f4f4;
    --text-dark: #333333;
    --text-light: #ccd6f6;
    --gray: #8892b0;

    /* Light Theme (Default) */
    --bg-body: var(--white);
    --bg-alt: var(--off-white);
    --text-main: var(--text-dark);
    --text-muted: #555555;
    --primary-color: var(--navy-blue);
    --secondary-color: var(--red);
    --accent-color: var(--yellow);
    --card-bg: var(--white);
    --card-shadow: rgba(0, 0, 0, 0.1);
    --nav-bg: var(--navy-blue);
    --nav-text: var(--text-light);
    --border-color: #ddd;

    /* Common */
    --transition: all 0.3s ease;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

[data-theme="dark"] {
    --bg-body: var(--navy-blue);
    --bg-alt: var(--navy-light);
    --text-main: var(--text-light);
    --text-muted: var(--gray);
    --primary-color: var(--white); /* For titles in dark mode */
    --card-bg: var(--navy-light);
    --card-shadow: rgba(0, 0, 0, 0.3);
    --nav-bg: rgba(10, 25, 47, 0.95);
    --border-color: #233554;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-body);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, .logo, .btn, .nav-link, .section-title {
    font-family: var(--font-heading);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-color);
    color: var(--navy-blue);
    padding: 8px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--navy-blue);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader {
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 5px solid var(--accent-color);
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Visual Depth */
.gradient-text {
    background: linear-gradient(to right, var(--yellow), var(--red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Scroll Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar */
.navbar {
    background: var(--nav-bg);
    color: var(--nav-text);
    height: 70px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.navbar.sticky {
    height: 60px;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--nav-text);
    font-weight: 500;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: none;
    color: var(--nav-text);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
    margin-left: 15px;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--accent-color);
    transform: rotate(15deg);
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--nav-text);
}

/* Hero Section */
.hero {
    background-color: var(--navy-blue);
    color: var(--white);
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 70px;
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax Effect */
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--accent-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: var(--transition);
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: #c62828;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--navy-blue);
    color: var(--white);
}

.btn-secondary:hover {
    background: #060f1d;
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
    margin-top: 15px;
    background: var(--accent-color);
    color: var(--navy-blue);
}

.btn-small:hover {
    background: #e0a800;
    color: var(--navy-blue);
    transform: translateY(-2px);
}

/* Section Common */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color); /* Changes in dark mode */
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 10px auto 0;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-muted);
}

/* About Section */
.about {
    background: var(--bg-body);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
}

.about-text {
    flex: 1;
    text-align: left;
    color: var(--text-main);
}

.about-text p {
    margin-bottom: 15px;
}

/* Stats Section */
.stats {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--white);
}

.stat-item p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Mission Section */
.mission {
    background: var(--bg-alt);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mission-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

/* Glassmorphism Effect for Cards (Optional) */
[data-theme="dark"] .mission-card {
    background: rgba(17, 34, 64, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.mission-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.mission-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.mission-card p {
    color: var(--text-muted);
}

/* Books Section */
.books {
    background: var(--bg-body);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.book-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--card-shadow);
    transition: var(--transition);
    text-align: center;
    padding-bottom: 20px;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .book-card {
    background: rgba(17, 34, 64, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.book-card img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.book-card h3 {
    padding: 15px 15px 5px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.book-card p {
    padding: 0 15px 15px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-alt);
    text-align: center;
}

.testimonials-carousel {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonial-item {
    display: none;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
    margin: 10px;
}

.testimonial-item.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 15px;
}

.testimonial-author {
    font-weight: bold;
    color: var(--secondary-color);
}

/* Contact Section */
.contact {
    background: var(--bg-body);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    color: var(--text-main);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-right: 15px;
}

.contact-form {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-form {
    background: rgba(17, 34, 64, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-main);
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--bg-body);
    color: var(--text-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Newsletter Section */
.newsletter-section {
    background: var(--navy-blue);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
    background-image: linear-gradient(rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.9)), url('../images/hero.jpg');
    background-size: cover;
    background-attachment: fixed;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    color: var(--white);
    margin-bottom: 15px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 12px;
    border: none;
    border-radius: 5px;
}

/* Footer */
footer {
    background: var(--navy-blue);
    color: var(--text-light);
    text-align: center;
    padding: 30px 0;
    margin-top: auto;
}

.social-links {
    margin-bottom: 20px;
}

.social-links a {
    color: var(--text-light);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--white);
    color: var(--text-dark);
    padding: 15px 25px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-left: 5px solid var(--accent-color);
    transform: translateX(120%);
    transition: transform 0.3s ease-in-out;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success { border-left-color: #2ecc71; }
.toast.error { border-left-color: #e74c3c; }

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--secondary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background: var(--accent-color);
    color: var(--navy-blue);
    transform: translateY(-5px);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--navy-blue);
    color: var(--text-light);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    transform: translateY(100%);
    transition: transform 0.5s ease-out;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    font-size: 0.9rem;
    margin-right: 20px;
}

.cookie-btn {
    background: var(--accent-color);
    color: var(--navy-blue);
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    white-space: nowrap;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar .container {
        padding: 0 20px;
    }

    .menu-toggle {
        display: block;
        order: 3; /* Push to right */
    }
    
    .theme-toggle {
        order: 2; /* Between logo and hamburger */
        margin-right: 15px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--nav-bg);
        width: 100%;
        height: calc(100vh - 70px); /* Full height minus header */
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        display: block;
        padding: 20px 0;
        font-size: 1.2rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .about-content, .contact-container {
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }
    
    .cookie-banner {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-color);
    color: var(--navy-blue);
    padding: 8px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--navy-blue);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader {
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 5px solid var(--accent-color);
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Visual Depth */
.gradient-text {
    background: linear-gradient(to right, var(--yellow), var(--red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Stats Section */
.stats {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--white);
}

.stat-item p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-alt);
    text-align: center;
    padding: 80px 0;
}

.testimonials-carousel {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-item {
    display: none;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
    margin: 10px;
    width: 100%;
    text-align: center;
}

.testimonial-item.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

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

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 15px;
}

.testimonial-author {
    font-weight: bold;
    color: var(--secondary-color);
}
    
    .cookie-content {
        margin-right: 0;
    }
}