/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #059669);
}

body {
    font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-logo .tagline {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary-color);
}

.language-toggle {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.language-toggle:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Dashboard Container */
.dashboard-container {
    width: 400px;
    max-width: 100%;
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    animation: dashboardFloat 6s ease-in-out infinite;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.dashboard-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.active {
    background: #10b981;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 20px 15px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    color: white;
    font-size: 1.1rem;
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.stat-trend.positive {
    color: #10b981;
}

.stat-trend.negative {
    color: #ef4444;
}

.star-rating {
    display: flex;
    gap: 2px;
}

.star-rating i {
    color: #fbbf24;
    font-size: 0.7rem;
}

/* Dashboard Chart */
.dashboard-chart {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-legend {
    display: flex;
    gap: 15px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 8px;
    height: 8px;
    border-radius: 2px;
}

.legend-color.primary {
    background: var(--primary-color);
}

.legend-color.secondary {
    background: var(--secondary-color);
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 8px;
    height: 80px;
    padding: 0 5px;
}

.chart-bar {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.bar-fill {
    width: 100%;
    border-radius: 3px 3px 0 0;
    transition: all 0.3s ease;
    animation: barGrow 2s ease-out forwards;
    transform-origin: bottom;
}

.bar-fill.primary {
    background: var(--gradient-primary);
}

.bar-fill.secondary {
    background: var(--gradient-secondary);
}

.bar-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

/* Animations */
@keyframes dashboardFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes barGrow {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.about-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: start;
}

.profile-image {
    position: sticky;
    top: 100px;
    position: relative;
}

.profile-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-image img:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.profile-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 0 0 20px 20px;
    font-weight: 600;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.profile-image:hover .profile-overlay {
    transform: translateY(0);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-skills h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.skill-item {
    background: white;
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

/* Services Section */
.services-container {
    margin-top: 60px;
}

.featured-services {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.featured-card {
    padding: 40px;
    min-height: 320px;
}

.service-highlights {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 20px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.other-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.small-card {
    padding: 20px;
    min-height: 150px;
}

.small-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.small-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.small-card .service-icon {
    width: 50px;
    height: 50px;
}

.small-card .service-icon i {
    font-size: 1.5rem;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
    position: relative;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.learn-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.service-card:hover .learn-more {
    opacity: 1;
    transform: translateY(0);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    color: var(--text-primary);
}

.close {
    color: var(--text-light);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 30px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 30px 30px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* Portfolio Section */
.portfolio {
    background: var(--bg-primary);
}

.portfolio-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.project-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-content > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Pricing Section */
.pricing {
    background: var(--bg-secondary);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.pricing-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

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

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

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.price {
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

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

.period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.features {
    list-style: none;
    margin-bottom: 40px;
}

.features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.features li:last-child {
    border-bottom: none;
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-primary);
}

.testimonials .section-title {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-style: italic;
    font-weight: 400;
    color: #2c3e50;
}

.testimonials-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.quote-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.quote-icon i {
    color: white;
    font-size: 1.2rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.author-avatar {
    flex-shrink: 0;
}

.author-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.rating {
    display: flex;
    gap: 2px;
}

.rating i {
    color: #fbbf24;
    font-size: 1rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-methods {
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.contact-method i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-method a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-method a:hover {
    color: var(--primary-color);
}

.line-qr {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 50px;
}

.line-qr h4 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.qr-code {
    display: inline-block;
}

.qr-code img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.qr-code img:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.qr-code p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Social Media Icons */
.social-media {
    margin-top: 40px;
    margin-bottom: 60px;
    text-align: center;
}

.social-media h4 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.social-icon i {
    font-size: 1.4rem;
    z-index: 2;
    position: relative;
}

/* Social Media Brand Colors */
.social-icon.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-icon.facebook {
    background: #1877f2;
}

.social-icon.twitter {
    background: #1da1f2;
}

.social-icon.youtube {
    background: #ff0000;
}

.social-icon.github {
    background: #333333;
}

/* Hover effects with subtle animations */
.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.social-icon:hover::before {
    transform: scale(1);
}

.social-icon:active {
    transform: translateY(-1px);
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-light);
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    color: var(--primary-color);
    background: white;
    padding: 0 5px;
}

.form-group select:focus + label,
.form-group select:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    color: var(--primary-color);
    background: white;
    padding: 0 5px;
}

.form-group select {
    position: relative;
    z-index: 1;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 45px;
}

.form-group select + label {
    z-index: 0;
    pointer-events: none;
}

.form-group select option {
    background: white;
    color: var(--text-primary);
    padding: 10px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--text-light);
}

.footer-links {
    display: flex;
    gap: 30px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    color: var(--text-light);
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.nav-menu.mobile-active {
    display: flex;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-color);
        z-index: 999;
    }
    
    .nav-menu.mobile-active {
        display: flex;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
        text-align: center;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .language-toggle {
        margin-top: 15px;
        align-self: center;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .dashboard-container {
        width: 100%;
        max-width: 350px;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 15px 12px;
    }
    
    .stat-number {
        font-size: 1.4rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .dashboard-chart {
        padding: 15px;
    }
    
    .chart-bars {
        height: 60px;
        gap: 6px;
    }
    
    .chart-legend {
        gap: 10px;
    }
    
    .legend-item {
        font-size: 0.7rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-profile {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .profile-image {
        position: static;
        max-width: 250px;
        margin: 0 auto;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .profile-image img {
        width: 100%;
        max-width: 250px;
        height: 250px;
        object-fit: cover;
        display: block;
        margin: 0 auto;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-services {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .other-services {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .project-image {
        height: 250px;
    }

    .project-content {
        padding: 25px 20px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonial-card {
        padding: 30px 20px;
    }
    
    .testimonial-author {
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }
    
    .author-avatar img {
        width: 50px;
        height: 50px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .social-icons {
        gap: 12px;
    }
    
    .social-icon {
        width: 45px;
        height: 45px;
    }
    
    .social-icon i {
        font-size: 1.2rem;
    }
    
    .social-media {
        margin-bottom: 50px;
    }
    
    .line-qr {
        margin-top: 15px;
        margin-bottom: 40px;
    }
    
    .qr-code img {
        width: 100px;
        height: 100px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .featured-services {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .other-services {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .featured-card {
        padding: 30px 20px;
        min-height: 280px;
    }
    
    .small-card {
        padding: 15px;
        min-height: 120px;
    }
    
    .service-highlights {
        font-size: 0.8rem;
    }
    
    .dashboard-container {
        width: 100%;
        max-width: 320px;
        padding: 15px;
    }
    
    .dashboard-header h4 {
        font-size: 1rem;
    }
    
    .dashboard-status {
        font-size: 0.75rem;
    }
    
    .stat-card {
        padding: 12px 10px;
        gap: 10px;
    }
    
    .stat-icon {
        width: 35px;
        height: 35px;
    }
    
    .stat-icon i {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 1.2rem;
    }
    
    .stat-label {
        font-size: 0.65rem;
    }
    
    .stat-trend {
        font-size: 0.6rem;
    }
    
    .dashboard-chart {
        padding: 12px;
    }
    
    .chart-header span {
        font-size: 0.8rem;
    }
    
    .chart-bars {
        height: 50px;
        gap: 4px;
    }
    
    .bar-label {
        font-size: 0.6rem;
        margin-top: 6px;
    }
    
    .legend-item {
        font-size: 0.65rem;
    }
    
    .social-media {
        margin-bottom: 45px;
    }
    
    .line-qr {
        margin-top: 10px;
        margin-bottom: 35px;
    }
    
    .qr-code img {
        width: 90px;
        height: 90px;
    }
    
    .qr-code p {
        font-size: 0.8rem;
    }
    
    .profile-image {
        max-width: 200px;
        margin: 0 auto;
        display: flex;
        justify-content: center;
    }
    
    .profile-image img {
        width: 100%;
        max-width: 200px;
        height: 200px;
        object-fit: cover;
        margin: 0 auto;
    }
}

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

/* Loading animation */
.loading {
    opacity: 0;
    animation: fadeIn 0.5s ease-in-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Language transition */
.lang-transition {
    transition: opacity 0.3s ease-in-out;
}

.lang-transition.fade-out {
    opacity: 0;
}