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

/* Header & Navigation */
.top-bar {
    background-color: #1a1a1a;
    color: white;
    padding: 8px 0;
    font-size: 14px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
}

/* Modern Header/Navigation Styles */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav .logo {
    height: 45px;
    transition: transform 0.3s ease;
}

.nav .logo:hover {
    transform: scale(1.05);
}

.nav ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease ,transform 0.3s ease;
}

.nav ul li a:active {
    transform: scale(0.95);
}

.nav ul li a.active {
    color: #2196F3;
}

.nav ul li a.active::after {
    width: 100%;
}

.nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #2196F3, #00BCD4);
    transition: width 0.3s ease;
}

.nav ul li a:hover {
    color: #2196F3;
}

.nav ul li a:hover::after {
    width: 100%;
}

/* Scrolled Header State */
.nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav .container {
        padding: 1rem;
    }
    
    .nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: left 0.3s ease;
    }
    
    .nav ul.active {
        left: 0;
    }
    
    .nav .menu-toggle {
        display: block;
        cursor: pointer;
    }
}

/* Additional Animation Classes */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav.visible {
    animation: fadeInDown 0.5s ease forwards;
}

/* Translate */
#languageSwitcher {
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 20px;
    border: none;
    background: linear-gradient(145deg, #f0f0f0, #e6e6e6);
    box-shadow: 5px 5px 10px rgba(0,0,0,0.1),
                -5px -5px 10px rgba(255,255,255,0.8);
    cursor: pointer;
    margin-left: 10px;
    transition: all 0.3s ease;
    color: #333;
    font-weight: 500;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    background-size: 10px auto;
    padding-right: 28px;
}

#languageSwitcher:hover {
    background: linear-gradient(145deg, #e6e6e6, #f0f0f0);
    transform: translateY(-2px);
    box-shadow: 6px 6px 12px rgba(0,0,0,0.15),
                -6px -6px 12px rgba(255,255,255,0.9);
}

#languageSwitcher:focus {
    outline: none;
    border: 2px solid rgba(0,123,255,0.5);
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.1),
                inset -2px -2px 5px rgba(255,255,255,0.5);
}

/* Animasi saat mengganti bahasa */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

#languageSwitcher:active {
    animation: pulse 0.3s ease-out;
}

/* Container utama */
.container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

/* Judul section */
.section-title-about {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    text-align: left;
}

.supplier-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 100%);
    padding: 120px 20px 80px;
}

.container-supplier {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.form-section {
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}


h1 {
    font-size: 2.5rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #333 0%, #666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-section p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

button {
    width: 100%;
    padding: 16px;
    background: #009b4d;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    background: #009b4d;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

.office-info {
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.office-info h2 {
    font-size: 1.8rem;
    color: #1a1a1a;
    margin-bottom: 2rem;
}

.office-location {
    padding: 25px;
    background: #f8fafc;
    border-radius: 15px;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.office-location:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.office-location h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.office-location p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.map-link {
    display: inline-block;
    margin-top: 1rem;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.map-link:hover {
    color: #1e40af;
    transform: translateX(5px);
}

.success-message,
.error-message {
    display: none;
    padding: 15px;
    border-radius: 10px;
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
}

.success-message {
    background: #dcfce7;
    color: #166534;
}

.error-message {
    background: #fee2e2;
    color: #991b1b;
}

@media (max-width: 968px) {
    .container {
        grid-template-columns: 1fr;
    }

    .supplier-section {
        padding: 100px 20px 60px;
    }

    h1 {
        font-size: 2rem;
    }
}

/* Loading animation */
.loading {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid #fff;
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Form validation styles */
.form-group input:invalid,
.form-group select:invalid {
    border-color: #009b4d;
}

.form-group input:invalid:focus,
.form-group select:invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

/* Input icons */
.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
}

.contact-info-section {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.contact-info-section .heading {
    text-align: center;
    color: #333;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.whatsapp-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #25D366;
    color: white;
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(37, 211, 102, 0.2);
}

.whatsapp-link:hover {
    background-color: #22c35e;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(37, 211, 102, 0.3);
}

.whatsapp-link .icon {
    width: 24px;
    height: 24px;
}

.whatsapp-link .number {
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .whatsapp-container {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .whatsapp-link {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }
}

/* footer */
footer {
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    color: #f5f5f5;
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #3eb905, #2196F3);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 50px;
    position: relative;
}

.footer-info {
    position: relative;
}

.footer-info img {
    max-width: 140px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.footer-info img:hover {
    transform: scale(1.05);
}

.footer-info h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #fff;
    font-weight: 600;
}

.footer-info p {
    color: #b0b0b0;
    line-height: 1.8;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-info p:hover {
    color: #fff;
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: #3eb905;
    position: relative;
    display: inline-block;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: #3eb905;
    transition: width 0.3s ease;
}

.footer-links:hover h4::after {
    width: 100%;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    line-height: 2.2;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 20px;
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
}

.copyright p {
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.copyright p:hover {
    color: #fff;
}

@media (max-width: 768px) {
    footer {
        padding: 60px 20px 30px;
    }
    
    .footer-grid {
        gap: 40px;
    }
    
    .footer-info img {
        max-width: 120px;
    }
}