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

:root {
    --primary-color: #1a3a52;
    --secondary-color: #2563eb;
    --accent-color: #0ea5e9;
    --whatsapp-green: #25D366;
    --whatsapp-dark: #128C7E;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --spacing-unit: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger span {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

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

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

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

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    color: var(--text-white);
    padding: 120px 0 80px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 40px;
    opacity: 0.95;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

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

.whatsapp-btn {
    background-color: var(--whatsapp-green);
    color: var(--text-white);
}

.whatsapp-btn:hover {
    background-color: var(--whatsapp-dark);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 56px;
    color: var(--primary-color);
}

.services {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 40px 32px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    color: var(--secondary-color);
    margin-bottom: 24px;
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.service-description {
    color: var(--text-light);
    line-height: 1.6;
}

.about {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 20px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 40px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.image-placeholder {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.process {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.process-step {
    background-color: var(--bg-white);
    padding: 32px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    opacity: 0.2;
    margin-bottom: 16px;
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.step-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    color: var(--text-white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.contact {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

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

.contact-icon {
    color: var(--secondary-color);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.contact-details p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.whatsapp-link {
    color: var(--whatsapp-green);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.whatsapp-link:hover {
    color: var(--whatsapp-dark);
}

.contact-form-wrapper {
    display: flex;
    align-items: center;
}

.whatsapp-promo {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid var(--whatsapp-green);
    border-radius: 12px;
    padding: 48px 40px;
    text-align: center;
}

.whatsapp-promo-icon {
    color: var(--whatsapp-green);
    margin-bottom: 24px;
}

.whatsapp-promo h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.whatsapp-promo p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.footer {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 56px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-column h3,
.footer-column h4 {
    margin-bottom: 16px;
    font-size: 18px;
}

.footer-column p,
.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    line-height: 1.8;
}

.footer-column a {
    display: block;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

@media (max-width: 968px) {
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-md);
        padding: 24px;
        gap: 16px;
        display: none;
    }

    .nav.active {
        display: flex;
    }

    .burger {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .cta-title {
        font-size: 32px;
    }

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

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .cta-title {
        font-size: 26px;
    }

    .cta-text {
        font-size: 16px;
    }

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

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

    .btn {
        padding: 12px 24px;
        font-size: 15px;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 16px;
    }

    .whatsapp-promo {
        padding: 32px 24px;
    }
}