/* Enhanced Styles for CADV.HK */

/* Additional Variables */
:root {
    --accent-color: #4caf50;
    --hover-transition: all 0.4s ease;
    --box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --card-border-radius: 12px;
    --section-spacing: 100px;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), #00897b);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #ffb74d);
}

/* Enhanced Section Styling */
.program-intro,
.program-features,
.program-programs,
.cta {
    padding: var(--section-spacing) 0;
    position: relative;
    overflow: hidden;
}

.program-intro::before,
.program-features::before,
.program-programs::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgba(0, 121, 107, 0.05);
    z-index: -1;
}

.program-intro::before {
    top: -150px;
    left: -150px;
}

.program-features::before {
    bottom: -150px;
    right: -150px;
}

.program-programs::before {
    top: 50%;
    left: -150px;
}



/* Enhanced Page Header */
.page-header {
    background: var(--gradient-primary);
    color: var(--white-color);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, transparent 25px, var(--white-color) 0);
    background-size: 50px 50px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    animation: fadeInDown 1s ease;
}

.page-header p {
    font-size: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 1s ease;
}

/* Enhanced Program Intro */
.program-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.program-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.program-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.program-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.program-image {
    position: relative;
    border-radius: var(--card-border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--hover-transition);
}

.program-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.program-image:hover img {
    transform: scale(1.05);
}

/* Enhanced Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white-color);
    border-radius: var(--card-border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--hover-transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    transition: var(--hover-transition);
}

.feature-card:hover {
    transform: translateY(-15px);
    color: var(--white-color);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card .icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    transition: var(--hover-transition);
}

.feature-card:hover .icon {
    color: var(--white-color);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    transition: var(--hover-transition);
}

.feature-card p {
    transition: var(--hover-transition);
    line-height: 1.7;
}

/* Enhanced Program Cards */
.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.program-grid .program-card:nth-child(1) {
    animation: fadeInUp 0.6s ease-out;
}

.program-grid .program-card:nth-child(2) {
    animation: fadeInUp 0.6s ease-out 0.2s;
    animation-fill-mode: both;
}

.program-grid .program-card:nth-child(3) {
    animation: fadeInUp 0.6s ease-out 0.4s;
    animation-fill-mode: both;
}

@media (min-width: 992px) {
    .program-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1200px;
        margin: 0 auto;
    }
}

/* Add a specific class for pages with only 2 cards */
.program-grid-2-cards {
    grid-template-columns: repeat(2, 1fr) !important;
    justify-content: center;
    column-gap: 60px;
    max-width: 900px !important;
    margin: 0 auto;
}

.program-card {
    background-color: var(--white-color);
    border-radius: var(--card-border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--hover-transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(0, 121, 107, 0.1);
}

.program-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-primary);
    color: var(--white-color);
    padding: 8px 30px;
    font-weight: 600;
    transform: rotate(45deg);
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    font-size: 0.9rem;
}

.program-badge-secondary {
    background: var(--gradient-secondary);
}

.program-badge-accent {
    background: linear-gradient(135deg, var(--accent-color), #66bb6a);
}

.program-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.program-card .btn {
    align-self: flex-start;
    margin-top: auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.program-card .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    z-index: -1;
}

.program-card .btn:hover::before {
    left: 0;
}

.program-card .btn:hover i {
    animation: pulse 1s infinite;
    display: inline-block;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.program-card .btn:hover {
    padding-right: 35px;
}

.program-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
    border-bottom: 3px solid var(--primary-color);
    position: relative;
}

.program-card:hover img {
    transform: scale(1.05);
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 250px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.4));
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.program-card:hover::before {
    opacity: 1;
}

.program-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.program-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 10px;
}

.program-content h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.program-content p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.program-details {
    border-top: 1px solid var(--light-gray);
    padding-top: 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    background-color: rgba(0, 121, 107, 0.05);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}

.program-details li {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    padding: 8px 0;
    transition: var(--hover-transition);
    white-space: nowrap;
}

.program-details li:hover {
    transform: translateX(5px);
}

.program-details li i {
    color: var(--white-color);
    margin-right: 10px;
    font-size: 1.2rem;
    background: var(--gradient-primary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.1);
}

.program-details li strong {
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 5px;
}



/* Enhanced CTA Section */
.cta {
    background: var(--gradient-secondary);
    color: var(--white-color);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(135deg, var(--white-color) 25px, transparent 0);
    background-size: 50px 50px;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.cta .btn-primary {
    background-color: var(--white-color);
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 15px 40px;
    transition: var(--hover-transition);
}

.cta .btn-primary:hover {
    background-color: var(--light-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

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

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

/* Program Process Section */
.program-process {
    padding: var(--section-spacing) 0;
    position: relative;
    overflow: hidden;
    background-color: var(--light-color);
}

.program-process::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgba(0, 121, 107, 0.05);
    z-index: 0;
    top: -150px;
    right: -150px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    background-color: var(--white-color);
    border-radius: var(--card-border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: flex-start;
    transition: var(--hover-transition);
    position: relative;
    z-index: 1;
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.step-number {
    background: var(--gradient-primary);
    color: var(--white-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.step-content {
    flex-grow: 1;
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.step-content p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Education Levels Section */
.education-levels {
    padding: var(--section-spacing) 0;
    position: relative;
    overflow: hidden;
    background-color: var(--light-color);
}

.education-levels::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgba(0, 121, 107, 0.05);
    z-index: 0;
    bottom: -150px;
    left: -150px;
}

.level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.level-card {
    background-color: var(--white-color);
    border-radius: var(--card-border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--hover-transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.level-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    transition: var(--hover-transition);
}

.level-card:hover {
    transform: translateY(-15px);
    color: var(--white-color);
}

.level-card:hover::before {
    opacity: 1;
}

.level-card .icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    transition: var(--hover-transition);
}

.level-card:hover .icon {
    color: var(--white-color);
    transform: scale(1.1);
}

.level-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    transition: var(--hover-transition);
}

.level-card p {
    transition: var(--hover-transition);
    line-height: 1.7;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .program-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .program-image {
        order: -1;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.2rem;
    }
    
    .program-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .program-grid, .program-grid-2-cards, .program-programs .program-grid {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }
    
    .program-card {
        width: 100%;
        margin-bottom: 20px;
        max-width: 100%;
    }
    
    .program-content {
        padding: 25px 20px;
    }
    
    .program-details {
        padding: 15px;
        margin-top: 15px;
        margin-bottom: 15px;
    }
    
    .feature-card,
    .level-card {
        padding: 30px 20px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .program-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .program-card {
        margin-bottom: 15px;
    }
    
    .program-content h3 {
        font-size: 1.5rem;
    }
    
    .program-details li {
        font-size: 0.9rem;
    }
}

.cta-content p {
        font-size: 1.1rem;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        padding: 25px 20px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
        margin-right: 15px;
    }
    
    .step-content h3 {
        font-size: 1.3rem;
    }
    
    .level-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}