/* CSS Custom Properties */
:root {
    --primary-color: hsl(220, 70%, 25%);  /* Dark Blue */
    --primary-light: hsl(220, 70%, 35%);
    --primary-dark: hsl(220, 80%, 15%);
    --secondary-color: hsl(0, 0%, 100%);   /* White */
    --text-primary: hsl(220, 15%, 20%);
    --text-secondary: hsl(220, 10%, 40%);
    --text-light: hsl(220, 10%, 60%);
    --background-light: hsl(220, 20%, 98%);
    --background-section: hsl(220, 25%, 96%);
    --border-color: hsl(220, 15%, 90%);
    --shadow-light: 0 2px 10px hsla(220, 15%, 35%, 0.1);
    --shadow-medium: 0 4px 20px hsla(220, 15%, 35%, 0.15);
    --shadow-heavy: 0 8px 30px hsla(220, 15%, 35%, 0.2);
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition: all 0.3s ease;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1em;
    color: var(--text-secondary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--secondary-color);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background-light) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 500px;
}

.hero-title {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.hero-graphic svg {
    max-width: 100%;
    height: auto;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.about-text h3:first-child {
    margin-top: 0;
}

.values-list {
    list-style: none;
    margin-top: 1rem;
}

.values-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

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

.about-stats {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.stat-item {
    text-align: center;
    margin-bottom: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Services Section */
.services {
    background: var(--secondary-color);
}

.services-grid {
    display: grid;
    gap: 3rem;
}

.service-category {
    background: var(--background-light);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.category-title {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.service-item {
    background: var(--secondary-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.service-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.service-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.service-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--background-section);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3,
.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-items {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-details h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-details p {
    margin: 0;
    color: var(--text-secondary);
}

/* Form Styles */
.form {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: var(--font-family);
}

.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 hsla(220, 70%, 25%, 0.1);
}

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

/* Privacy and WhatsApp Consent Styles */
.privacy-consent,
.whatsapp-consent {
    margin-bottom: 2rem;
    background: var(--background-light);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
}

.privacy-notice {
    background: #e3f2fd;
    border: 2px solid #2196f3;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.privacy-notice strong {
    color: var(--primary-color);
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label {
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    font-weight: normal;
    margin-bottom: 0;
}

.checkbox-text {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.5;
    flex: 1;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.privacy-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.required-asterisk {
    color: #dc3545;
    font-weight: bold;
    margin-left: 2px;
}

/* Privacy Banner */
.privacy-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 1rem;
    z-index: 1001;
    box-shadow: var(--shadow-heavy);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.privacy-banner.show {
    transform: translateY(0);
}

.privacy-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.privacy-banner-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.banner-privacy-link {
    color: var(--secondary-color);
    text-decoration: underline;
    font-weight: 600;
}

.banner-privacy-link:hover {
    color: #e3f2fd;
}

.privacy-banner-close {
    background: none;
    border: none;
    color: var(--secondary-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.privacy-banner-close:hover {
    background: hsla(0, 0%, 100%, 0.1);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: hsla(0, 0%, 100%, 0.8);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: hsla(0, 0%, 100%, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid hsla(0, 0%, 100%, 0.1);
}

.footer-bottom p {
    color: hsla(0, 0%, 100%, 0.8);
    margin: 0;
    margin-bottom: 0.5rem;
}

.privacy-footer-link {
    margin-top: 0.5rem;
}

.footer-privacy-link {
    color: hsla(0, 0%, 100%, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    margin: 0 0.5rem;
}

.footer-privacy-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--secondary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .service-items {
        grid-template-columns: 1fr;
    }
    
    .service-category {
        padding: 1.5rem;
    }
    
    .form {
        padding: 1.5rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .checkbox-container {
        font-size: 0.85rem;
    }
    
    .privacy-banner-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .privacy-banner-content p {
        font-size: 0.85rem;
    }
}


@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .about-stats {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin-top: 0;
    }
    
    .checkbox-container {
        font-size: 0.8rem;
        gap: 0.5rem;
    }
    
    .checkbox-container input[type="checkbox"] {
        width: 16px;
        height: 16px;
    }
}

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

.service-item {
    animation: fadeInUp 0.6s ease-out;
}

.contact-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll-triggered animations would be added with JavaScript */
.hero-content,
.about-content,
.services-grid,
.contact-content {
    animation: fadeInUp 0.8s ease-out;
}

/* Form Validation Styles */
.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: #dc3545;
}

.form-group input:valid,
.form-group select:valid,
.form-group textarea:valid {
    border-color: #28a745;
}

/* Privacy Policy Specific Styles */
.privacy-notice {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.privacy-notice strong {
    color: var(--text-primary);
}

/* WhatsApp Integration Styles */
.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-button:hover {
    background: #128c7e;
    transform: scale(1.1);
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: hsl(0, 0%, 60%);
        --text-secondary: hsl(0, 0%, 20%);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .whatsapp-button {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .btn {
        display: none;
    }
    
    .checkbox-container {
        display: none;
    }
    
    .privacy-link {
        color: inherit;
        text-decoration: underline;
    }
}