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

:root {
    --primary-blue: #00A0DC;
    --dark-bg: #1a1a1a;
    --light-gray: #f5f5f5;
    --text-dark: #333;
    --text-light: #666;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

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

header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 160, 220, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 50px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-blue);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
}

.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0077a3 100%);
    color: var(--white);
    padding: 70px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 1.8rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: var(--white);
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    cursor: pointer;
}

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

section {
    padding: 50px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
}

.section-title p {
    font-size: 1rem;
    color: var(--text-light);
}

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

.services-grid,
.features-grid,
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.service-card,
.feature-card,
.tech-card {
    background: var(--white);
    padding: 1.8rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e5e5;
}

.service-card:hover,
.feature-card:hover,
.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 160, 220, 0.12);
    border-color: var(--primary-blue);
}

.service-card h3,
.feature-card h3,
.tech-card h3 {
    color: var(--primary-blue);
    margin-bottom: 0.8rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.service-card p,
.feature-card p,
.tech-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.stats {
    background: var(--primary-blue);
    color: var(--white);
    text-align: center;
}

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

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    opacity: 0.9;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 1.8rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e5;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.95rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.app-mockups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.mockup-placeholder {
    background: var(--light-gray);
    border: 2px dashed var(--primary-blue);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    color: var(--text-light);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-image {
    width: 100%;
    max-width: 240px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.mockup-image:hover {
    transform: translateY(-4px);
}

.app-mockup-card {
    text-align: center;
}

.app-mockup-card h4 {
    margin-top: 1rem;
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: 600;
}

.app-mockup-card p {
    margin-top: 0.4rem;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 2.5rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.8rem;
    margin-bottom: 1.5rem;
}

.footer-section h3 {
    color: var(--primary-blue);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.4rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
    font-size: 0.95rem;
}

.footer-section p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.85;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.8rem;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: var(--light-gray);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 2rem;
    line-height: 1;
}

.contact-info-item h4 {
    margin-bottom: 0.3rem;
    color: var(--primary-blue);
    font-size: 1.1rem;
}

.contact-info-item p,
.contact-info-item a {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-info-item a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info-item a:hover {
    color: #0077a3;
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.form-input {
    transition: all 0.3s ease;
    position: relative;
}

.form-input:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 160, 220, 0.15);
}

.submit-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 160, 220, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-loading {
    display: none;
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loading {
    display: inline;
}

.success-animation {
    animation: slideInDown 0.5s ease;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e5;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 6rem;
    color: var(--primary-blue);
    opacity: 0.1;
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 160, 220, 0.15);
    border-color: var(--primary-blue);
}

.testimonial-header h4 {
    color: var(--text-dark);
    margin-bottom: 0.3rem;
    font-size: 1.15rem;
    font-weight: 600;
}

.industry {
    color: var(--primary-blue);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 1.5rem 0;
    font-style: italic;
}

.testimonial-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e5e5;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.3rem;
}

.timeline {
    max-width: 900px;
    margin: 3rem auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-blue), #0077a3);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    animation: fadeInUp 0.6s ease;
}

.timeline-item:nth-child(1) {
    animation-delay: 0.1s;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.2s;
}

.timeline-item:nth-child(3) {
    animation-delay: 0.3s;
}

.timeline-item:nth-child(4) {
    animation-delay: 0.4s;
}

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

.timeline-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 160, 220, 0.3);
    transition: all 0.3s ease;
    z-index: 2;
}

.timeline-item:hover .timeline-number {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 160, 220, 0.4);
}

.timeline-content {
    background: var(--white);
    padding: 1.8rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    flex: 1;
    transition: all 0.3s ease;
    border: 1px solid #e5e5e5;
}

.timeline-item:hover .timeline-content {
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0, 160, 220, 0.12);
    border-color: var(--primary-blue);
}

.timeline-content h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.timeline-duration {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.timeline-content p:last-child {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.service-card,
.feature-card,
.tech-card {
    animation: fadeInScale 0.5s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .timeline-item {
        gap: 1rem;
    }

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