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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto Slab', 'Lato', sans-serif;
    line-height: 1.6;
    color: #444444;
    background-color: #ffffff;
}

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

.btn {
    display: inline-block;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: #179e83;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #11725e;
    box-shadow: 0 4px 16px rgba(23, 158, 131, 0.3);
}

.btn-secondary {
    background: white;
    color: #144784;
    border: 2px solid #144784;
}

.btn-secondary:hover {
    background: #144784;
    color: white;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.highlight {
    background: linear-gradient(135deg, #179e83, #1bbc9b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo img {
    height: 40px;
    width: auto;
}

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

.nav-link {
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #144784;
}

.nav-link.cta-button {
    background: #179e83;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-link.cta-button:hover {
    transform: translateY(-2px);
    background: #11725e;
    box-shadow: 0 4px 16px rgba(23, 158, 131, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #1a1a1a;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #252d3b 0%, #144784 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400"><circle cx="300" cy="200" r="150" fill="%23179e83" opacity="0.1"/><circle cx="350" cy="150" r="100" fill="%23ffffff" opacity="0.05"/><rect x="250" y="180" width="120" height="80" rx="10" fill="%23ffffff" opacity="0.1"/></svg>') no-repeat center;
    background-size: contain;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #ffffff;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #ffffff;
    margin-bottom: 40px;
    line-height: 1.6;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #179e83;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: #ffffff;
    font-weight: 500;
    opacity: 0.8;
}

.hero-image {
    animation: fadeInRight 1s ease;
    position: relative;
    z-index: 2;
}

.hero-graphic {
    width: 100%;
    height: auto;
    max-width: 500px;
    animation: float 6s ease-in-out infinite;
}

.hero-graphic svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

/* Hero Graphic Animations */
.hero-graphic .bg-circle-1 {
    animation: rotate 20s linear infinite;
    transform-origin: center;
}

.hero-graphic .bg-circle-2 {
    animation: rotate 15s linear infinite reverse;
    transform-origin: center;
}

.hero-graphic .browser-main {
    animation: pulse 4s ease-in-out infinite;
}

.hero-graphic .database {
    animation: pulse 6s ease-in-out infinite;
}

.hero-graphic .dashboard {
    animation: pulse 5s ease-in-out infinite;
}

.hero-graphic .chart-bar-1 {
    animation: grow-bar 3s ease-in-out infinite;
}

.hero-graphic .chart-bar-2 {
    animation: grow-bar 3s ease-in-out infinite 0.5s;
}

.hero-graphic .chart-bar-3 {
    animation: grow-bar 3s ease-in-out infinite 1s;
}

.hero-graphic .chart-bar-4 {
    animation: grow-bar 3s ease-in-out infinite 1.5s;
}

.hero-graphic .chart-bar-5 {
    animation: grow-bar 3s ease-in-out infinite 2s;
}

.hero-graphic .extraction-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: draw-line 4s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes grow-bar {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.3); }
}

@keyframes draw-line {
    0% { stroke-dashoffset: 200; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -200; }
}

@keyframes data-pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-img {
    width: 100%;
    height: auto;
    max-width: 500px;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: white;
}

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

.service-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 24px;
}

.service-icon img {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.service-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.service-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #179e83;
    font-weight: bold;
}

/* Process Section */
.process {
    padding: 100px 0;
    background: #f8f9fa;
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 50px;
    animation: fadeInUp 0.6s ease;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    background: #179e83;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: 30px;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

/* Why Us Section */
.why-us {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature {
    text-align: center;
    padding: 30px;
    animation: fadeInUp 0.6s ease;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}

.feature-icon img {
    width: 100%;
    height: 100%;
}

.feature h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature p {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.contact-info p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item img {
    width: 40px;
    height: 40px;
}

.contact-item strong {
    display: block;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.contact-item p {
    margin: 0;
    color: #666;
}

.contact-item a {
    color: #179e83;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Form Styles */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #179e83;
    box-shadow: 0 0 0 3px rgba(23, 158, 131, 0.1);
}

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

/* Footer */
.footer {
    background: #151f25;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #179e83;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    display: block;
    width: 40px;
    height: 40px;
}

.social-links img {
    width: 100%;
    height: 100%;
    filter: invert(1);
    transition: filter 0.3s ease;
}

.social-links a:hover img {
    filter: invert(0.7) sepia(1) saturate(2) hue-rotate(240deg);
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.service-card {
    animation: slideInFromBottom 0.6s ease-out forwards;
    animation-delay: var(--animation-delay, 0s);
}

.feature {
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: var(--animation-delay, 0s);
}

.step {
    animation: fadeInLeft 0.6s ease-out forwards;
    animation-delay: var(--animation-delay, 0s);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 40px 0;
        gap: 20px;
    }

    .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(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        justify-content: center;
        gap: 30px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .service-card,
    .contact-form {
        padding: 30px 20px;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 0 20px 0;
    }
}

/* Performance Optimizations */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #179e83;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        border: 2px solid #000;
    }
    
    .highlight {
        background: #000;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
}