:root {
    --primary-color: #0A192F;
    --accent-color: #00B4D8;
    --text-main: #334155;
    --text-light: #64748B;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

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

a:hover {
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #0096B4;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
}

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

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

.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-main);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-color);
}

.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer p, .footer a {
    color: #cbd5e1;
}

.footer a:hover {
    color: var(--accent-color);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero {
    padding: 140px 0;
    text-align: center;
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.7)), url('../images/hero.png') center/cover no-repeat;
    color: var(--white);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--white);
}

.hero p {
    font-size: 1.25rem;
    color: #E2E8F0;
    max-width: 800px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

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

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.badge-card {
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.badge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.badge-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.process {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    gap: 20px;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
    border: 4px solid var(--bg-light);
}

.services {
    padding: 60px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

.service-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    margin: 15px 0;
}

.service-timeline {
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
}

.service-docs {
    list-style: none;
    margin-bottom: 20px;
}

.service-docs li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

.service-docs li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.form-section {
    padding: 60px 0;
}

.card-container {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

.calc-result {
    margin-top: 30px;
    padding: 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 8px;
    display: none;
}

.result-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.result-row.total {
    font-size: 1.25rem;
    font-weight: bold;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 10px;
    margin-top: 10px;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    background-color: var(--bg-light);
    cursor: pointer;
    transition: var(--transition);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-color);
    background-color: #F0F9FF;
}

.upload-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

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

.contact-info-card {
    background: var(--primary-color);
    color: var(--white);
    padding: 40px;
    border-radius: 12px;
}

.contact-info-card a {
    color: var(--accent-color);
}

.alert {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-weight: 600;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #34D399;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #F87171;
}

@media (max-width: 1024px) {
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }
    .process-steps::before {
        left: 30px;
        top: 0;
        width: 2px;
        height: 100%;
    }
    .step {
        display: flex;
        align-items: center;
        text-align: left;
    }
    .step-number {
        margin: 0 20px 0 0;
        min-width: 60px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links, .cta-btn {
        display: none;
    }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .hero-btns {
        flex-direction: column;
    }
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    background-color: #128C7E;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn svg {
    width: 35px;
    height: 35px;
}

@media (max-width: 768px) {
    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-btn svg {
        width: 30px;
        height: 30px;
    }
}