/* Custom CSS for nanoBanana Drawing App */

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--warning-color));
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background: var(--gradient-primary) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

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

.text-gradient {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-buttons .btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.mock-canvas {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

.canvas-icon {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
    animation: float 3s ease-in-out infinite;
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

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

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-description {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 3rem;
}

/* Features Section */
.features-section {
    background: var(--light-color);
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.feature-card h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* About Section */
.about-section {
    background: white;
}

.about-description {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-features {
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 500;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tech-item span {
    font-weight: 600;
    color: var(--dark-color);
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: white;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
    
    .mock-canvas {
        width: 250px;
        height: 250px;
    }
    
    .canvas-icon {
        font-size: 3rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .mock-canvas {
        width: 200px;
        height: 200px;
    }
    
    .canvas-icon {
        font-size: 2.5rem;
    }
}

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

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* AI Showcase Section */
.ai-showcase-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.ai-showcase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%236366f1" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%238b5cf6" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23f59e0b" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%2310b981" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.ai-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-description {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.ai-features {
    margin-bottom: 2.5rem;
}

.ai-feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.ai-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.ai-feature i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.ai-feature h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.ai-feature p {
    color: #64748b;
    margin: 0;
    font-size: 0.95rem;
}

.ai-cta {
    text-align: center;
}

/* Before/After Showcase */
.before-after-showcase {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.before-after-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.showcase-header {
    text-align: center;
    margin-bottom: 2rem;
}

.showcase-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.showcase-header p {
    color: #64748b;
    margin: 0;
}

.before-after-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    gap: 1rem;
}

.before-after-item {
    flex: 1;
    text-align: center;
}

.image-label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
}

.before-label {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.after-label {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
}

.image-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.image-container:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.showcase-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(139, 92, 246, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.overlay-text {
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.arrow-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.arrow-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    animation: pulse 2s infinite;
}

.arrow-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.showcase-stats {
    display: flex;
    justify-content: space-around;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

/* Pricing Section */
.pricing-section {
    background: var(--light-color);
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="pricing-pattern" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%236366f1" opacity="0.05"/><circle cx="80" cy="80" r="1" fill="%238b5cf6" opacity="0.05"/><circle cx="50" cy="10" r="0.5" fill="%23f59e0b" opacity="0.05"/><circle cx="10" cy="60" r="0.5" fill="%2310b981" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23pricing-pattern)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.pricing-header {
    margin-bottom: 2rem;
}

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

.pricing-card.featured .plan-icon {
    background: var(--gradient-secondary);
}

.plan-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
}

.pricing-features {
    margin-bottom: 2rem;
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--dark-color);
}

.feature-item i {
    font-size: 1rem;
    width: 20px;
    flex-shrink: 0;
}

.pricing-footer {
    margin-top: auto;
}

.pricing-note {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.pricing-note i {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .ai-title {
        font-size: 2rem;
    }
    
    .before-after-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .arrow-container {
        transform: rotate(90deg);
        min-width: auto;
        min-height: 60px;
    }
    
    .showcase-image {
        height: 150px;
    }
    
    .showcase-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .ai-feature {
        flex-direction: column;
        text-align: center;
    }
    
    .ai-feature i {
        margin-bottom: 0.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .amount {
        font-size: 2.5rem;
    }
    
    .pricing-card {
        padding: 1.5rem;
    }
}

/* Work Showcase Styles */
.work-showcase {
    margin-bottom: 2rem;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.3) transparent;
}

.work-showcase::-webkit-scrollbar {
    width: 6px;
}

.work-showcase::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.work-showcase::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.5);
    border-radius: 3px;
}

.work-showcase::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.7);
}

.work-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.work-item:last-child {
    margin-bottom: 0;
}

.work-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.work-title {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.work-title::before {
    content: "🏗️";
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.work-description {
    color: #94a3b8;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.work-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.work-author,
.work-type {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 500;
}

.work-author i,
.work-type i {
    color: var(--primary-color);
    margin-right: 0.25rem;
}

/* Enhanced before-after styles for work showcase */
.work-item .before-after-container {
    margin: 1.5rem 0;
}

.work-item .image-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.work-item .image-container:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.work-item .showcase-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: all 0.3s ease;
}

.work-item .image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(139, 92, 246, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.work-item .image-container:hover .image-overlay {
    opacity: 1;
}

.work-item .overlay-text {
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Click hint for images */
.image-click-hint {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 0.8rem;
}

.work-item .image-container:hover .image-click-hint {
    opacity: 1;
    transform: scale(1.1);
}

/* Full screen modal styles */
#fullScreenImageModal .modal-content {
    background: rgba(0, 0, 0, 0.95) !important;
    backdrop-filter: blur(10px);
}

#fullScreenImageModal .modal-body {
    background: transparent;
}

#fullScreenImageModal img {
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Responsive adjustments for work showcase */
@media (max-width: 768px) {
    .work-item {
        padding: 1rem;
    }
    
    .work-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .work-item .showcase-image {
        height: 150px;
    }
    
    .work-title {
        font-size: 1.1rem;
    }
}