* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

/* Navigation */
header {
    background: #2c3e50;
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo img {
    height: 50px;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a:hover {
    color: #3498db;
}

.nav-links i {
    font-size: 1.1rem;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section with Carousel */
.hero {
    position: relative;
    text-align: center;
    color: white;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    flex: 0 0 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

.carousel-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 700px;
    padding: 1rem;
}

.carousel-caption h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.carousel-caption p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background: #3498db;
    color: white;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-button:hover {
    background: #2980b9;
}

.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.dot {
    cursor: pointer;
}

.dot i {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
}

.dot.active i {
    color: #3498db;
}

/* Sections */
.section {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.secondary-button {
    background: #7f8c8d;
    color: white;
    padding: 0.6rem 1.2rem;
    text-decoration: none;
    border-radius: 5px;
}

.secondary-button:hover {
    background: #6c7a89;
}

/* Events Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.event-card {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.event-card h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Sermons Grid */
.sermons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.sermon-card {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.sermon-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sermon-link {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sermon-link:hover {
    text-decoration: underline;
}

/* Contact Form */
#contact-form {
    max-width: 100%;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

#contact-form input,
#contact-form textarea {
    padding: 0.8rem 0.8rem 0.8rem 2.5rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

#contact-form textarea {
    resize: vertical;
    min-height: 150px;
    padding: 0.8rem;
}

.contact-info {
    margin-top: 2rem;
}

.contact-info p {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
}

.social-links a {
    color: white;
    margin: 0 1rem;
    text-decoration: none;
    font-size: 1.5rem;
}

.social-links a:hover {
    color: #3498db;
}

/* Media Queries */

/* Smartphones (Portrait, e.g., iPhone SE, iPhone 14, Galaxy S23, Pixel 7) */
@media (max-width: 480px) {
    nav {
        padding: 0.5rem 1rem;
    }

    .logo img {
        height: 40px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: #2c3e50;
        padding: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.5rem 0;
    }

    .nav-links a {
        font-size: 1rem;
    }

    .nav-links i {
        font-size: 1rem;
    }

    .hero {
        height: 60vh;
    }

    .carousel-caption h1 {
        font-size: 1.5rem;
    }

    .carousel-caption p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .cta-button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .carousel-dots {
        bottom: 0.5rem;
    }

    .dot i {
        font-size: 0.8rem;
    }

    .section {
        padding: 2rem 1rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .events-grid,
    .sermons-grid {
        grid-template-columns: 1fr;
    }

    .event-card h3,
    .sermon-card h3 {
        font-size: 1.2rem;
    }

    .event-card i,
    .sermon-card i {
        font-size: 1.2rem;
    }

    #contact-form {
        margin: 1rem;
    }

    #contact-form input,
    #contact-form textarea {
        font-size: 0.9rem;
        padding-left: 2.2rem;
    }

    .form-group i {
        font-size: 0.9rem;
    }

    .contact-info i {
        font-size: 1rem;
    }

    .social-links a {
        font-size: 1.2rem;
        margin: 0 0.5rem;
    }
}

/* Smartphones (Landscape, e.g., iPhone 14 Plus, Galaxy Z Fold) */
@media (min-width: 481px) and (max-width: 767px) {
    nav {
        padding: 0.75rem 1.5rem;
    }

    .logo img {
        height: 45px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 65px;
        left: 0;
        width: 100%;
        background: #2c3e50;
        padding: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.75rem 0;
    }

    .nav-links a {
        font-size: 1.1rem;
    }

    .nav-links i {
        font-size: 1.1rem;
    }

    .hero {
        height: 70vh;
    }

    .carousel-caption h1 {
        font-size: 1.8rem;
    }

    .carousel-caption p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .cta-button {
        padding: 0.7rem 1.2rem;
    }

    .carousel-dots {
        bottom: 0.75rem;
    }

    .dot i {
        font-size: 0.9rem;
    }

    .section {
        padding: 3rem 1.5rem;
    }

    .section h2 {
        font-size: 1.8rem;
    }

    .events-grid,
    .sermons-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .event-card i,
    .sermon-card i {
        font-size: 1.3rem;
    }

    .form-group i {
        font-size: 1rem;
    }

    .contact-info i {
        font-size: 1.1rem;
    }

    .social-links a {
        font-size: 1.3rem;
    }
}

/* Tablets (Portrait, e.g., iPad Mini, iPad Air, Galaxy Tab A) */
@media (min-width: 768px) and (max-width: 991px) {
    nav {
        padding: 1rem 1.5rem;
    }

    .logo img {
        height: 50px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #2c3e50;
        padding: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 1rem 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-links i {
        font-size: 1.2rem;
    }

    .hero {
        height: 75vh;
    }

    .carousel-caption h1 {
        font-size: 2rem;
    }

    .carousel-caption p {
        font-size: 1.1rem;
    }

    .cta-button {
        padding: 0.7rem 1.3rem;
    }

    .section {
        padding: 3.5rem 2rem;
    }

    .section h2 {
        font-size: 1.9rem;
    }

    .events-grid,
    .sermons-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .event-card i,
    .sermon-card i {
        font-size: 1.4rem;
    }

    #contact-form {
        max-width: 500px;
    }

    .form-group i {
        font-size: 1.1rem;
    }

    .contact-info i {
        font-size: 1.2rem;
    }

    .social-links a {
        font-size: 1.4rem;
    }
}

/* Tablets (Landscape) and Small Laptops (e.g., iPad Pro 11", MacBook Air 13") */
@media (min-width: 992px) and (max-width: 1199px) {
    nav {
        padding: 1rem 2rem;
    }

    .nav-links {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .nav-links i {
        font-size: 1.2rem;
    }

    .hero {
        height: 80vh;
    }

    .carousel-caption h1 {
        font-size: 2.2rem;
    }

    .carousel-caption p {
        font-size: 1.15rem;
    }

    .section {
        padding: 4rem 2rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .events-grid,
    .sermons-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .event-card i,
    .sermon-card i {
        font-size: 1.4rem;
    }

    #contact-form {
        max-width: 550px;
    }

    .form-group i {
        font-size: 1.1rem;
    }

    .contact-info i {
        font-size: 1.2rem;
    }

    .social-links a {
        font-size: 1.5rem;
    }
}

/* Laptops and Desktops (e.g., MacBook Pro 16", Dell XPS 15, 1080p–1440p monitors) */
@media (min-width: 1200px) and (max-width: 1599px) {
    nav {
        padding: 1rem 2rem;
    }

    .nav-links {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .nav-links i {
        font-size: 1.2rem;
    }

    .hero {
        height: 80vh;
    }

    .carousel-caption h1 {
        font-size: 2.5rem;
    }

    .carousel-caption p {
        font-size: 1.2rem;
    }

    .section {
        padding: 4rem 2rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .events-grid,
    .sermons-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .event-card i,
    .sermon-card i {
        font-size: 1.5rem;
    }

    #contact-form {
        max-width: 600px;
    }

    .form-group i {
        font-size: 1.2rem;
    }

    .contact-info i {
        font-size: 1.3rem;
    }

    .social-links a {
        font-size: 1.6rem;
    }
}

/* Large Desktops (e.g., 4K monitors, iMac 27", ≥1600px) */
@media (min-width: 1600px) {
    nav {
        padding: 1rem 3rem;
    }

    .logo img {
        height: 60px;
    }

    .nav-links li {
        margin-left: 2.5rem;
    }

    .nav-links a {
        font-size: 1.1rem;
    }

    .nav-links i {
        font-size: 1.3rem;
    }

    .hero {
        height: 90vh;
    }

    .carousel-caption h1 {
        font-size: 3rem;
    }

    .carousel-caption p {
        font-size: 1.4rem;
    }

    .cta-button {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }

    .carousel-dots {
        bottom: 1.5rem;
    }

    .dot i {
        font-size: 1.2rem;
    }

    .section {
        padding: 5rem 3rem;
    }

    .section h2 {
        font-size: 2.5rem;
    }

    .events-grid,
    .sermons-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2.5rem;
    }

    .event-card,
    .sermon-card {
        padding: 2rem;
    }

    .event-card i,
    .sermon-card i {
        font-size: 1.6rem;
    }

    #contact-form {
        max-width: 700px;
    }

    #contact-form input,
    #contact-form textarea {
        font-size: 1.1rem;
        padding-left: 2.8rem;
    }

    .form-group i {
        font-size: 1.3rem;
    }

    .contact-info i {
        font-size: 1.4rem;
    }

    .social-links a {
        font-size: 1.8rem;
        margin: 0 1.5rem;
    }
}