/* Base styling */
:root {
    /* Primary colors */
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #4D94DB;
    
    /* Secondary colors */
    --secondary-color: #2E3B4E;
    --secondary-light: #576A88;
    --secondary-dark: #1A2635;
    
    /* Neutral colors */
    --bg-light: #F5F7FA;
    --text-dark: #2D3748;
    --text-light: #718096;
    --white: #FFFFFF;
    
    /* Accent colors */
    --accent-blue: #39A5DC;
    --accent-green: #45B880;
    --accent-yellow: #F9C653;
    --accent-red: #E53E3E;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
}

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

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

html {
    scroll-behavior: smooth;
}

img {
    max-width: 100%;
    height: auto;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-xxl) 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    position: relative;
    z-index: 2;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--white);
    border: 2px solid rgba(0, 102, 204, 0.2);
    color: var(--primary-color);
    position: relative;
    z-index: 2;
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    color: var(--primary-dark);
    border: 2px solid var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-full {
    width: 100%;
}

.bg-light {
    background-color: var(--bg-light);
}

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

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: all 0.3s ease;
    padding: var(--space-md) 0;
}

.header.scrolled {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm) 0;
}

.header.scrolled .nav-link {
    color: var(--text-dark);
}

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

.header.scrolled .contact-button {
    color: var(--white);
    background-color: var(--primary-color);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 100px;
    margin-right: var(--space-sm);
    transition: all 0.3s ease;
}

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

.nav-link {
    margin: 0 var(--space-md);
    color: var(--white);
    font-weight: 500;
    position: relative;
    padding: var(--space-sm) 0;
}

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

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

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

.contact-button {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--space-sm) var(--space-lg);
    margin-left: var(--space-md);
    transition: all 0.3s ease;
}

.contact-button:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease;
    background-color: var(--white);
}

.header.scrolled .bar {
    background-color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0,0,0,0.7) 0%, rgba(0,77,153,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    position: relative;
    z-index: 2;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

/* About Section */
.about-content {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
    color: var(--secondary-color);
}

.about-text p {
    margin-bottom: var(--space-md);
}

.about-cards {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
}

.card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--space-md);
}

.card h4 {
    margin-bottom: var(--space-sm);
    font-size: 1.2rem;
}

/* Services Section */
.services-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.service-card p {
    margin-bottom: var(--space-lg);
    color: var(--text-light);
}

.service-link {
    font-weight: 600;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
}

.service-link i {
    margin-left: var(--space-sm);
    transition: transform 0.3s ease;
}

.service-link:hover i {
    transform: translateX(5px);
}

/* Features Section - Tabs */
.features-tabs {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    background-color: var(--bg-light);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.tab-btn {
    padding: var(--space-lg);
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    flex: 1;
    transition: all 0.3s ease;
    position: relative;
    color: var(--text-light);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.tab-btn:hover {
    background-color: rgba(0,0,0,0.05);
}

.tabs-content {
    padding: var(--space-lg);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.tab-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.tab-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-icon-lg {
    font-size: 8rem;
    color: var(--primary-light);
    opacity: 0.8;
}

.tab-text {
    flex: 1;
}

.tab-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
    color: var(--secondary-color);
}

.tab-text p {
    margin-bottom: var(--space-md);
}

.tab-text ul {
    margin-bottom: var(--space-lg);
}

.tab-text ul li {
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
}

.tab-text ul li i {
    color: var(--accent-green);
    margin-right: var(--space-sm);
}

/* Client Pitch Section */
.client-pitch {
    text-align: center;
    padding: var(--space-xxl) 0;
}

.pitch-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.pitch-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto var(--space-xl);
    opacity: 0.9;
}

/* FAQ Section */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

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

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background-color: var(--white);
    border: none;
    text-align: left;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background-color: var(--bg-light);
}

.accordion-header i {
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header i {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 var(--space-lg);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 var(--space-lg) var(--space-lg);
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: var(--space-xl);
}

.contact-form {
    flex: 1;
    background-color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0,102,204,0.2);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
}

.checkbox-group label {
    display: inline;
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: normal;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.info-card {
    background-color: var(--white);
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.info-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
}

.info-card h4 {
    margin-bottom: var(--space-sm);
}

.newsletter {
    background-color: var(--white);
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin-top: auto;
}

.newsletter h4 {
    margin-bottom: var(--space-sm);
}

.newsletter p {
    margin-bottom: var(--space-md);
    color: var(--text-light);
}

.newsletter form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.newsletter input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    font-size: 1rem;
}

.newsletter input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.newsletter button {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    padding: var(--space-md);
}

/* Modal Windows */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    overflow-y: auto;
    padding: var(--space-md);
}

.modal-content {
    background-color: var(--white);
    max-width: 800px;
    margin: 50px auto;
    border-radius: var(--border-radius-lg);
    position: relative;
    animation: fadeInUp 0.5s ease;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--accent-red);
}

.modal h2 {
    padding: var(--space-lg) var(--space-lg) 0;
    font-size: 2rem;
    color: var(--secondary-color);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-image {
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--primary-color);
}

.modal ul {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.modal ul li {
    margin-bottom: var(--space-sm);
    list-style-type: disc;
}

.modal-cta {
    margin-top: var(--space-lg);
    text-align: center;
}

/* Success Message */
.success-message {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.success-content {
    background-color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--border-radius-md);
    text-align: center;
    max-width: 500px;
    animation: fadeInUp 0.5s ease;
}

.success-icon {
    font-size: 4rem;
    color: var(--accent-green);
    margin-bottom: var(--space-md);
}

.success-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
}

.success-content p {
    margin-bottom: var(--space-lg);
}

/* Footer */
.footer {
    background-color: var(--secondary-dark);
    color: var(--white);
    padding-top: var(--space-xxl);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-xxl);
}

.footer-logo {
    max-width: 200px;
}

.footer-logo img {
    height: 100px;
    margin-bottom: var(--space-md);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: var(--space-xxl);
}

.footer-column h4 {
    margin-bottom: var(--space-lg);
    color: var(--white);
    font-size: 1.2rem;
}

.footer-column ul li {
    margin-bottom: var(--space-md);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-lg) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.copyright {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.copyright p {
    margin-bottom: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
}

.legal-links {
    display: flex;
    gap: var(--space-lg);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.legal-links a:hover {
    color: var(--white);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Media Queries for Responsive Design */
@media (max-width: 1024px) {
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero .tagline {
        font-size: 1.2rem;
    }
    
    .about-content,
    .tab-content {
        flex-direction: column;
    }
    
    .tab-image,
    .tab-text {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        border-radius: 0 0 10px 10px;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--space-md) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        margin: var(--space-sm) 0;
        color: var(--text-dark);
    }
    
    .header.scrolled .nav-link {
        color: var(--text-dark);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .contact-button {
        border: 2px solid var(--primary-color);
        color: var(--primary-color);
        margin: var(--space-md) 0 0;
    }
    
    .contact-button:hover {
        background-color: var(--primary-color);
        color: var(--white);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .about-content,
    .contact-container {
        flex-direction: column;
    }
    
    .footer-top {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
    
    .footer-column {
        min-width: 120px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .copyright {
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero .tagline {
        font-size: 1rem;
    }
    
    .tabs-nav {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        min-width: 50%;
    }
    
    .newsletter form {
        flex-direction: column;
    }
    
    .newsletter input,
    .newsletter button {
        border-radius: var(--border-radius-sm);
    }
    
    .newsletter button {
        margin-top: var(--space-sm);
    }
    
    .legal-links {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
}