/* CSS Variables */
:root {
    /* Primary Colors - Monochromatic scheme */
    --primary-color: #2c3e50;
    --primary-light: #34495e;
    --primary-dark: #1a252f;
    --primary-darker: #0f1419;
    
    /* Secondary Colors */
    --secondary-color: #3498db;
    --secondary-light: #5dade2;
    --secondary-dark: #2980b9;
    
    /* Accent Colors */
    --accent-color: #27ae60;
    --accent-light: #58d68d;
    --accent-dark: #1e8449;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --black: #000000;
    
    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-muted: #6c757d;
    --text-light: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #2c3e50;
    --bg-overlay: rgba(44, 62, 80, 0.8);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    --gradient-overlay: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.6));
    
    /* Typography */
    --font-family-primary: 'Archivo Black', sans-serif;
    --font-family-secondary: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(44, 62, 80, 0.1);
    --shadow-md: 0 4px 12px rgba(44, 62, 80, 0.15);
    --shadow-lg: 0 8px 24px rgba(44, 62, 80, 0.2);
    --shadow-xl: 0 16px 40px rgba(44, 62, 80, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    --transition-elastic: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-primary);
    font-weight: 400;
    line-height: 1.2;
    margin: 0;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.25rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.125rem); }

p {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: clamp(0.875rem, 2vw, 1rem);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

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

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-sm);
}

/* Buttons - Global Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-secondary);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-elastic);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--text-primary);
    transform: translateY(-2px) scale(1.05);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--text-light);
}

.btn-accent:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

button, input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-secondary);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-elastic);
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-sm);
}

button:hover, input[type="submit"]:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.navbar-brand img {
    height: 40px;
    width: auto;
    transition: transform var(--transition-elastic);
}

.navbar-brand img:hover {
    transform: scale(1.1);
}

.navbar-menu {
    display: none;
}

.navbar-start {
    display: flex;
    gap: var(--spacing-md);
}

.navbar-item {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
    position: relative;
}

.navbar-item::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.navbar-item:hover {
    color: var(--accent-color);
}

.navbar-item:hover::after {
    width: 80%;
}

.navbar-burger {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.navbar-burger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.navbar-burger.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-burger.is-active span:nth-child(2) {
    opacity: 0;
}

.navbar-burger.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (min-width: 768px) {
    .navbar-menu {
        display: block;
    }
    
    .navbar-burger {
        display: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--text-light);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    color: var(--text-light) !important;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    color: var(--text-light) !important;
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    color: var(--text-light) !important;
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-elastic);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: var(--spacing-md);
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    flex: 1;
}

/* Innovation Section */
.innovation {
    background: var(--bg-primary);
}

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

.innovation-text {
    text-align: center;
}

.innovation-image {
    text-align: center;
}

.innovation-image img {
    width: 100%;
    height: auto;
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-elastic);
}

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

@media (min-width: 768px) {
    .innovation-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .innovation-text {
        text-align: left;
    }
    
    .innovation-image {
        text-align: right;
    }
}

/* Methodology Section */
.methodology {
    background: var(--bg-secondary);
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.methodology-item {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-elastic);
    text-align: center;
}

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

.methodology-item h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

/* Customer Stories Section */
.customer-stories {
    background: var(--bg-primary);
}

.stories-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.story-slide .story-content {
    text-align: center;
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-elastic);
}

.story-slide .story-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.story-slide img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    margin: 0 auto var(--spacing-sm) auto;
    display: block;
}

.story-slide h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

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

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-slide .card {
    height: auto;
    min-height: 250px;
}

.testimonial-author {
    margin-top: var(--spacing-sm);
    text-align: center;
}

.testimonial-author strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* News Section */
.news {
    background: var(--bg-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* External Resources Section */
.external-resources {
    background: var(--bg-secondary);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.resource-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-elastic);
    text-align: center;
}

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

.resource-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

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

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

.contact-info h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.contact-details {
    margin-top: var(--spacing-md);
}

.contact-details p {
    margin-bottom: var(--spacing-xs);
}

.contact-form-wrapper {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    max-width: 100%;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-secondary);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
    transform: scale(1.02);
}

@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand img {
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.footer-column h4 {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.footer-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.footer-column a {
    color: #9ca3af;
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
}

.footer-column a:hover {
    color: var(--text-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 3fr;
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.is-active {
    display: flex;
}

.modal-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.3s ease-out;
}

.modal-body {
    padding: var(--spacing-lg);
    text-align: center;
}

.modal-body h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-close::before {
    content: '×';
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
    padding-top: 100px;
    min-height: 100vh;
}

.privacy-content,
.terms-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.success-content {
    text-align: center;
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
}

.success-content h1 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

/* Read More Links */
.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all var(--transition-normal);
}

.read-more::after {
    content: ' →';
    transition: transform var(--transition-normal);
}

.read-more:hover {
    color: var(--accent-dark);
}

.read-more:hover::after {
    transform: translateX(5px);
}

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

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

/* Responsive Design */
@media (max-width: 767px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid,
    .methodology-grid,
    .news-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-normal);
        padding: var(--spacing-md);
    }
    
    .navbar-menu.is-active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .navbar-start {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .methodology-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Performance Optimizations */
.card-image,
.hero-background {
    will-change: transform;
}

.btn,
.navbar-item,
.card {
    will-change: transform, box-shadow;
}

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

/* Focus Styles */
.btn:focus,
.navbar-item:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    }
}