/* Custom CSS for 家人有伴 (Home Care) Website */
/* Version 4.0 - Added About Section */

:root {
    --primary-color: #28a745;
    --primary-soft: rgba(40, 167, 69, 0.1);
    --success-color: #20c997;
    --danger-color: #dc3545;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Typography */
body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--dark-color);
}

main {
    padding-top: 84px;
}

@media (max-width: 991.98px) {
    main {
        padding-top: 72px;
    }
}

.page-hero {
    padding: 4.5rem 0 3rem;
}

/* Utility Classes */
.bg-primary-soft {
    background-color: var(--primary-soft) !important;
}

.title-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    border-radius: 2px;
    margin-top: 1rem;
}

/* Navbar Enhancements */
.navbar {
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar-scrolled {
    padding: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-logo {
    height: 40px !important;
    max-height: 40px;
    width: auto;
    transition: var(--transition);
}

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

.nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 700;
}

.nav-link.active::after {
    width: 80%;
}

.dropdown-toggle::after {
    margin-left: 0.45rem;
    border-top: 0.45em solid;
    border-right: 0.45em solid transparent;
    border-left: 0.45em solid transparent;
    vertical-align: 0.1em;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.05), rgba(32, 201, 151, 0.05));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-buttons .btn {
    margin-bottom: 1rem;
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
}

.hero-stats .stat-item h4 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Hero Image */
.hero-image {
    position: relative;
    z-index: 1;
}

.image-container {
    position: relative;
}

.hero-main-image {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.hero-main-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.floating-card {
    top: 20%;
    left: -10%;
    max-width: 200px;
    border-radius: var(--border-radius);
    animation: float 3s ease-in-out infinite;
}

.hero-bg-shape {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

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

.icon-box {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
}

/* Service Cards */
.service-card {
    border-radius: var(--border-radius);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.problem-card,
.solution-card,
.value-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.problem-card:hover,
.solution-card:hover,
.value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

.solution-card {
    border-top: 4px solid var(--primary-color);
}

.value-card h6,
.problem-card h5,
.solution-card h5 {
    letter-spacing: 0.2px;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about-image {
    position: relative;
}

.about-badge {
    bottom: 20px;
    left: 20px;
    text-align: center;
    min-width: 100px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Contact Section */
.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-form {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.1);
}

/* Footer */
footer {
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
}

.social-links a {
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color) !important;
    transform: translateY(-3px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .floating-card {
        display: none;
    }
    
    .service-icon i {
        font-size: 2.5rem;
    }
    
    .about-badge {
        position: relative;
        margin-top: 2rem;
        display: inline-block;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-stats .col-4 {
        margin-bottom: 1rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .contact-icon {
        margin-bottom: 1rem;
    }
}

/* About Section */
.about-image {
    position: relative;
}

.about-badge {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.stats-section {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(32, 201, 151, 0.1));
}

.stat-item h3 {
    color: var(--primary-color);
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Bootstrap Color Overrides for Green Theme */
:root {
    --bs-primary: #28a745;
    --bs-primary-rgb: 40, 167, 69;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-primary:hover, 
.btn-primary:focus, 
.btn-primary:active, 
.btn-primary.active {
    background-color: #218838 !important;
    border-color: #218838 !important;
}

.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-outline-primary:hover, 
.btn-outline-primary:focus, 
.btn-outline-primary:active, 
.btn-outline-primary.active {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

/* Button enhancements */
.btn {
    font-weight: 600;
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

/* Enhanced Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #34ce57) !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: linear-gradient(135deg, #218838, var(--primary-color)) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3) !important;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
    background: transparent !important;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
}

/* 确保二维码模态框显示在最顶层 */
#qrModal {
    z-index: 99999 !important;
}

#qrModal .modal-backdrop {
    z-index: 99998 !important;
}

#qrModal .modal-dialog {
    z-index: 99999 !important;
}

#qrModal .modal-content {
    z-index: 99999 !important;
    position: relative;
}