/* Custom CSS Variables untuk Warna */
:root {
    --primary-color: #ff6b9d;
    --secondary-color: #a8e6cf;
    --accent-color: #ffd93d;
    --light-pink: #ffe4e8;
    --light-green: #e8f5e8;
    --light-purple: #f0e8ff;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
}

/* Font Family */
body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
}

/* Header Styling */
.navbar {
    padding: 0; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background-color: white !important; 
    position: static;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
    padding: 0.5em 0.75em;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.btn-custom-primary {
    background: linear-gradient(45deg, var(--primary-color), #ff8fab);
    border: none;
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-custom-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 157, 0.4);
    color: white;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--light-pink) 0%, var(--light-purple) 50%, var(--light-green) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-illustration {
    text-align: center;
    position: relative;
}

.hero-circle {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--light-pink), var(--light-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: float 3s ease-in-out infinite;
}

.hero-circle i {
    font-size: 5rem;
    color: var(--text-light);
}

/* Animasi Float */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Tombol CTA Hero
.btn-cta-sell {
    background: linear-gradient(45deg, var(--primary-color), #ff8fab);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    margin: 0.5rem;
    transition: all 0.3s ease;
}

.btn-cta-donate {
    background: linear-gradient(45deg, var(--secondary-color), #7fcdcd);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    margin: 0.5rem;
    transition: all 0.3s ease;
}

.btn-cta-browse {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    margin: 0.5rem;
    transition: all 0.3s ease;
}

.btn-cta-sell:hover, .btn-cta-donate:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    color: white;
}

.btn-cta-browse:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
} */

/* Features Section */
.features-section {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    height: 100%;
    border: none;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-icon.sell {
    background: linear-gradient(45deg, var(--primary-color), #ff8fab);
}

.feature-icon.donate {
    background: linear-gradient(45deg, var(--secondary-color), #7fcdcd);
}

.feature-icon.browse {
    background: linear-gradient(45deg, var(--accent-color), #ffed4e);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* .btn-feature {
    border-radius: 50px;
    padding: 0.7rem 1.5rem;
    font-weight: 600;
    border: none;
}

.btn-feature.sell {
    background-color: rgba(255, 107, 157, 0.1);
    color: var(--primary-color);
}

.btn-feature.donate {
    background-color: rgba(168, 230, 207, 0.1);
    color: var(--secondary-color);
}

.btn-feature.browse {
    background-color: rgba(255, 217, 61, 0.1);
    color: #e6c200;
} */

/* Stats Section */
.stats-section {
    background: linear-gradient(45deg, var(--primary-color), #8b5cf6);
    color: white;
    padding: 4rem 0;
}

.stat-item {
    text-align: center;
    margin-bottom: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Testimonials Section */
.testimonials-section {
    padding: 5rem 0;
    background-color: white;
}

.testimonial-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: none;
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 1.5rem;
}

.testimonial-name {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.testimonial-role {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-top: 1rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-description {
    color: #bdc3c7;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: #34495e;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.footer-title {
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #34495e;
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-circle {
        width: 250px;
        height: 250px;
    }
    
    .hero-circle i {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn-cta-sell, .btn-cta-donate, .btn-cta-browse {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
}


/* Modal Overlay */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0; top: 0;
    width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.4);
    overflow: auto;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}
.modal.show {
    display: flex;
    animation: fadeIn 0.3s;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Modal Content */
.modal-content {
    background: #fff;
    margin: auto;
    padding: 2rem 1.5rem 1.5rem 1.5rem;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    position: relative;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    animation: slideDown 0.3s;
}
@keyframes slideDown {
    from { transform: translateY(-40px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

/* Close Button */
.close-modal {
    position: absolute;
    top: 12px; right: 18px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
    transition: color 0.2s;
}
.close-modal:hover {
    color: #e74c3c;
}

/* Modal Title */
.modal-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    color: var(--primary-color, #4e73df);
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}
.form-label {
    font-weight: 500;
    margin-bottom: 0.3rem;
    display: block;
}
.form-control, .textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    background: #fafbfc;
    transition: border 0.2s;
}
.form-control:focus, .textarea:focus {
    border-color: var(--primary-color, #4e73df);
    outline: none;
}
.textarea {
    min-height: 60px;
    resize: vertical;
}

/* Error Message */
.error-message, .form-error {
    color: #e74c3c;
    font-size: 0.92rem;
    margin-top: 0.2rem;
    display: none;
}
input.shake, textarea.shake {
    animation: shake 0.3s;
    border-color: #e74c3c;
}
@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

/* Auth Button */
.btn-auth, .submit-btn {
    width: 100%;
    background: var(--primary-color, #4e73df);
    color: #fff;
    border: none;
    padding: 0.7rem 0;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 0.7rem;
    transition: background 0.2s;
}
.btn-auth:hover, .submit-btn:hover {
    background: #375ab7;
}

/* Modal Footer */
.modal-footer {
    margin-top: 1rem;
    font-size: 0.98rem;
}
.modal-footer a {
    color: var(--primary-color, #4e73df);
    text-decoration: underline;
    cursor: pointer;
}
.modal-footer a:hover {
    color: #375ab7;
}

/* Responsive */
@media (max-width: 500px) {
    .modal-content {
        padding: 1.2rem 0.7rem 1rem 0.7rem;
        max-width: 98vw;
    }
}