:root {
    --primary: #003087;
    --primary-dark: #002366;
    --secondary: #ff8c00;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background-color: #fafbff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary) !important;
}

.navbar-brand span {
    color: var(--secondary);
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--dark) !important;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary) !important;
}

.nav-link:hover::after, .nav-link.active::after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    background: var(--secondary);
    margin-top: 0.25rem;
}

.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
    background: linear-gradient(135deg, rgba(0, 48, 135, 0.9), rgba(0, 35, 102, 0.9)), url('https://images.unsplash.com/photo-1468436139062-f60a71c5c892?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
}

.hero-content {
    max-width: 800px;
    color: white;
    text-align: center;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 50px;
    padding: 0.8rem 2.5rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: white;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: white;
}

.btn-secondary {
    background: var(--secondary);
    border: none;
    border-radius: 50px;
    padding: 0.8rem 2.5rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: white;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: #e07b00;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: white;
}

.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    color: var(--gray);
}

.card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

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

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-title {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-features {
    background: rgba(0, 48, 135, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.service-features h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.service-features ul {
    list-style: none;
    padding-left: 0;
}

.service-features li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "✓";
    color: var(--secondary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

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

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--secondary), #e07b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
}

.value-card:hover .value-icon {
    transform: scale(1.1);
}

.portfolio-content .challenge,
.portfolio-content .solution,
.portfolio-content .result {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.challenge { background: rgba(255, 107, 0, 0.1); }
.solution { background: rgba(0, 48, 135, 0.1); }
.result { background: rgba(40, 167, 69, 0.1); }

.challenge h4, .solution h4, .result h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.challenge i, .solution i, .result i {
    background: linear-gradient(135deg, var(--secondary), #e07b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 0.5rem;
}

.why-choose {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    position: relative;
    overflow: hidden;
}

.why-choose::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://elianai.com/assets/pattern.png') repeat;
    opacity: 0.05;
    pointer-events: none;
}

.why-choose .section-title h2 {
    color: white;
}

.why-choose .section-subtitle {
    color: rgba(255,255,255,0.8);
}

.reason-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
    border: 1px solid rgba(255,255,255,0.1);
}

.reason-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.2);
}

.reason-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--secondary), #e07b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
}

.reason-card:hover .reason-icon {
    transform: scale(1.1);
}

.reason-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-control {
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #ddd;
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 48, 135, 0.1);
}

.contact-info i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--secondary), #e07b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
    width: 2.5rem;
    text-align: center;
}

.contact-info i:hover {
    transform: scale(1.1);
}

.contact-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

footer {
    background: var(--dark);
    color: white;
    padding: 5rem 0 2rem;
    position: relative;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.footer-logo span {
    color: var(--secondary);
}

.footer-about p {
    color: #aaa;
    margin-bottom: 1.5rem;
}

.footer-links h3, .footer-services h3, .footer-contact h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.footer-links h3::after, .footer-services h3::after, .footer-contact h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary);
}

.footer-links ul, .footer-services ul {
    list-style: none;
    padding-left: 0;
}

.footer-links li, .footer-services li {
    margin-bottom: 0.8rem;
}

.footer-links a, .footer-services a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover, .footer-services a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-contact p {
    color: #aaa;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
}

.footer-contact i {
    margin-right: 1rem;
    color: var(--secondary);
    width: 1.2rem;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.social-links i {
    font-size: 1.2rem;
    transition: var(--transition);
    color: white;
    background: none;
    -webkit-text-fill-color: initial;
}

.social-links a:hover i {
    transform: scale(1.1);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #aaa;
    font-size: 0.9rem;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px rgba(0,0,0,0.3);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: translateY(-5px);
    box-shadow: 2px 6px 8px rgba(0,0,0,0.3);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
}

.form-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid #28a745;
}

.form-message.error {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid #dc3545;
}

@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
    .section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
    .section-title h2 {
        font-size: 2rem;
    }
    .reason-icon {
        font-size: 3rem;
    }
    .contact-form {
        padding: 2rem;
    }
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 30px;
        right: 30px;
        font-size: 25px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .reason-icon {
        font-size: 2.5rem;
    }
    .btn-primary, .btn-secondary {
        padding: 0.7rem 1.5rem;
        font-size: 0.8rem;
    }
    .whatsapp-float {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 22px;
    }
}

[class*="fa-"]::before {
    display: inline-block;
    font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands";
    font-weight: 900;
}