* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8f6f1;
    color: #333;
    padding-top: 100px;
}

header {
    background-color: #1a1a1a;
    padding: 20px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    width: 90%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.whatsapp-btn {
    background-color: #25D366;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.whatsapp-btn:hover {
    background-color: #1DA851;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo img {
    height: 60px;
}

.logo-img {
    height: 60px;
    margin-right: 0px;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 40px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    padding: 10px 0;
    display: block;
}

.nav-links a:hover {
    color: rgb(190, 20, 20);
}

.nav-links a.active {
    color: rgb(190, 20, 20);
    font-weight: bold;
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
}

.hamburger-menu .bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 4px 0;
    transition: 0.4s;
    border-radius: 2px;
}

.hamburger-menu.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}
.hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger-menu.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.hero {
    min-height: calc(50vh - 100px);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5)), url('foto tujuh.jpeg') no-repeat center center/cover;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 20px;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.6;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

/* Form Styles */
.form-section {
    padding: 40px 0;
}

.form-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.checkbox-container {
    display: flex;
    align-items: center;
    margin-top: 5px;
}

.checkbox-container input[type='checkbox'] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
}

.radio-group {
    display: flex;
    flex-direction: column;
}

.radio-option {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.radio-option input[type='radio'] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
}

.section-title {
    color: #a40e0e;
    margin-bottom: 5px;
    font-size: 1.1rem;
    font-weight: 600;
}

.file-upload {
    margin-top: 10px;
}

.file-upload-btn {
    display: inline-flex;
    align-items: center;
    background-color: #f0f0f0;
    color: #333;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    border: 1px solid #ddd;
    transition: background-color 0.3s, color 0.3s;
}

.file-upload-btn:hover {
    background-color: #e0e0e0;
    color: #a40e0e;
}

.file-info {
    margin-top: 5px;
    font-size: 0.85rem;
    color: #666;
}

.submit-button-wrapper {
    width: 90%;
    max-width: 800px;
    margin: 20px auto 20px auto;
    padding: 0 25px;
    display: flex;
    justify-content: flex-end;
}

.submit-btn {
    background-color: rgb(164, 14, 14);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: bold;
    width: auto;
    transition: background-color 0.3s;
    margin-top: 0;
}

.submit-btn:hover {
    background-color: rgb(190, 20, 20);
}

.required::after {
    content: ' *';
    color: red;
}

/* Footer */
footer {
    background-color: #222;
    color: #aaa;
    padding: 50px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h3 {
    font-size: 1.2rem;
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 30px;
    background-color: rgb(164, 14, 14);
}

.footer-col p,
.footer-col a {
    display: block;
    color: #aaa;
    margin-bottom: 10px;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: rgb(164, 14, 14);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    body {
        padding-top: 80px;
    }

    header {
        padding: 15px 0;
    }

    .nav-logo img,
    .logo-img {
        height: 50px;
    }

    .hamburger-menu {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: #1a1a1a;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
        z-index: 998;
        transition: transform 0.3s ease-out;
        transform: translateY(-100%);
    }

    .nav-links.active {
        display: flex;
        transform: translateY(0);
    }

    .nav-links li {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }

    .nav-links li a {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links li:last-child a {
        border-bottom: none;
    }

    .hero {
        min-height: calc(50vh - 80px);
        padding: 20px 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .form-section {
        padding: 30px 0;
    }

    .form-card {
        padding: 20px;
        margin: 0 15px 20px;
    }

    .submit-button-wrapper {
        margin: 20px 15px 20px;
        padding: 0 20px;
    }

    .submit-btn {
        width: auto;
        padding: 15px 25px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 70px;
    }

    header {
        padding: 10px 0;
    }

    .nav-logo img,
    .logo-img {
        height: 40px;
    }

    .nav-links {
        top: 60px;
    }

    .hero {
        min-height: calc(50vh - 70px);
        padding: 15px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .form-card {
        padding: 15px;
        margin: 0 10px 15px;
    }

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

    .form-control {
        font-size: 0.9rem;
        padding: 8px;
    }

    .checkbox-container label,
    .radio-option label {
        font-size: 0.9rem;
    }

    .file-upload-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }

    .file-info {
        font-size: 0.75rem;
    }

    .submit-button-wrapper {
        margin: 15px 10px 15px;
        padding: 0 15px;
    }

    .submit-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .container {
        padding: 0 15px;
    }
}