/* CSS Custom Properties - Color Palette */
:root {
    --honeydew: #D0DECAff;
    --ash-gray: #C8D7C2ff;
    --honeydew-2: #CDDBC6ff;
    --ash-gray-2: #A7C0AAff;
    --cambridge-blue: #9BB39Cff;
    
    /* Additional colors for better contrast */
    --white: #ffffff;
    --dark-text: #2c3e2d;
    --light-text: #5a6b5d;
    --accent: var(--cambridge-blue);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Breakpoints */
    --mobile: 768px;
    --tablet: 1024px;
    --desktop: 1200px;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(155, 179, 156, 0.1);
    --shadow-medium: 0 4px 20px rgba(155, 179, 156, 0.15);
    --shadow-heavy: 0 8px 30px rgba(155, 179, 156, 0.2);
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--dark-text);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: var(--desktop);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header and Navigation */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: var(--desktop);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: var(--honeydew);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cambridge-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--cambridge-blue);
    background-color: var(--honeydew);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--cambridge-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--cambridge-blue);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--cambridge-blue);
    color: var(--white);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    background-color: var(--ash-gray-2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

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

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

/* Hero Section */
.hero-section {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--honeydew) 0%, var(--ash-gray) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-container {
    max-width: var(--desktop);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

/* Mobile App Download Section */
.app-download-section {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-light);
}

.app-download-text {
    color: var(--dark-text);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.qr-codes-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.qr-code-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.qr-code {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    cursor: pointer;
}

.qr-code:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.qr-label {
    color: var(--light-text);
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0;
}

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

.hero-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--honeydew-2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-size: 1.2rem;
    box-shadow: var(--shadow-medium);
}

/* Features Preview */
.features-preview {
    max-width: var(--desktop);
    margin: var(--spacing-xl) auto 0;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    color: var(--dark-text);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    background-color: var(--honeydew);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text h3 {
    color: var(--dark-text);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.about-text p {
    color: var(--light-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.about-list {
    list-style: none;
    padding-left: 0;
}

.about-list li {
    color: var(--light-text);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cambridge-blue);
    font-weight: bold;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--ash-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-size: 1.1rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--cambridge-blue);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    color: var(--dark-text);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--light-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.service-price {
    color: var(--cambridge-blue);
    font-weight: 600;
    font-size: 1.1rem;
}

/* How It Works */
.how-it-works {
    background-color: var(--honeydew);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-xl);
}

.how-it-works h3 {
    text-align: center;
    color: var(--dark-text);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.step {
    text-align: center;
    padding: var(--spacing-sm);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--cambridge-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-sm);
}

.step h4 {
    color: var(--dark-text);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.step p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* FAQ Section */
.faq-section {
    background-color: var(--ash-gray);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.faq-question {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: var(--honeydew);
}

.faq-question h3 {
    color: var(--dark-text);
    font-size: 1.1rem;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--cambridge-blue);
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: var(--spacing-md);
    max-height: 200px;
}

.faq-answer p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info h3,
.contact-form h3 {
    color: var(--dark-text);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 2px;
}

.contact-item h4 {
    color: var(--dark-text);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--light-text);
    margin: 0;
    line-height: 1.5;
}

/* Form Styles */
.form {
    background-color: var(--honeydew);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--dark-text);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cambridge-blue);
    box-shadow: 0 0 0 3px rgba(155, 179, 156, 0.1);
}

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

/* Footer */
.footer {
    background-color: var(--dark-text);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--honeydew);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-section p {
    color: var(--ash-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--ash-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-link {
    color: var(--ash-gray);
    text-decoration: none;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.social-link:hover {
    color: var(--honeydew);
    background-color: var(--cambridge-blue);
}

.footer-bottom {
    border-top: 1px solid var(--ash-gray-2);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: var(--ash-gray);
    margin: 0;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* QR Codes Mobile Styling */
    .app-download-section {
        margin-top: var(--spacing-sm);
        padding: var(--spacing-sm);
    }
    
    .qr-codes-container {
        gap: var(--spacing-sm);
    }
    
    .qr-code {
        width: 70px;
        height: 70px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-preview {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
}