:root {
    --azul-escuro: #122246;
    --azul-medio: #14488d;
    --azul-claro: #2095d8;
    --ciano: #20dad8;
    --cinza-gelo: #e9efed;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--cinza-gelo);
    color: #333;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

/* Header */
header {
    background-color: var(--cinza-gelo);
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav ul li a {
    color: var(--azul-escuro);
    font-weight: 600;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--azul-claro);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-medio) 100%);
    color: white;
    padding: 100px 5%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    max-width: 900px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 800px;
    color: #ffffff;
    font-weight: 400;
}

.cta-button {
    background-color: var(--azul-claro);
    color: white;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    display: inline-block;
}

.cta-button:hover {
    background-color: var(--ciano);
    color: var(--azul-escuro);
    transform: translateY(-2px);
}

.hero-subtext {
    display: block;
    margin-top: 10px;
    font-size: 0.95rem;
    color: #ffffff;
    font-weight: 600;
}

/* Services Section */
.services {
    padding: 80px 5%;
    background-color: var(--cinza-gelo);
    text-align: center;
}

.section-title {
    color: var(--azul-escuro);
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 3rem;
    color: var(--azul-claro);
    margin-bottom: 20px;
}

.service-card h3 {
    color: var(--azul-escuro);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: #333;
    margin-bottom: 25px;
    flex-grow: 1;
    font-weight: 500;
}

.btn-calcular {
    background-color: transparent;
    color: var(--azul-claro);
    border: 2px solid var(--azul-claro);
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    width: 100%;
}

.btn-calcular:hover {
    background-color: var(--azul-claro);
    color: white;
}

/* Contact Section */
.contact {
    padding: 80px 5%;
    background-color: white;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--cinza-gelo);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.contact h2 {
    text-align: center;
    color: var(--azul-escuro);
    margin-bottom: 30px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--azul-claro);
}

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

.btn-submit {
    width: 100%;
    background-color: var(--azul-claro);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background-color: var(--ciano);
    color: var(--azul-escuro);
}

/* Footer */
footer {
    background-color: var(--azul-escuro);
    color: white;
    padding: 60px 5% 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--ciano);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-section p {
    margin-bottom: 10px;
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #e9efed;
    font-size: 0.95rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--ciano);
    color: var(--azul-escuro);
    border-radius: 50px;
    padding: 12px 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: transform 0.3s, background-color 0.3s;
    text-decoration: none;
}

.whatsapp-float i {
    font-size: 1.5rem;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    background-color: var(--azul-claro);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 20px;
    }

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

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

    .whatsapp-float span {
        display: none;
    }

    .whatsapp-float {
        padding: 15px;
        border-radius: 50%;
    }
}