/* Reset e configurações gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

section {
    padding: 60px 0;
}

/* Cores */
:root {
    --azul-marinho: #0a1a3a;
    --ciano: #00b4d8;
    --branco: #ffffff;
    --cinza-claro: #f4f4f4;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-ciano {
    background-color: var(--ciano);
    color: var(--azul-marinho);
    border: 2px solid var(--ciano);
}

.btn-ciano:hover {
    background-color: transparent;
    color: var(--ciano);
}

/* Header */
header {
    background-color: var(--azul-marinho);
    color: var(--branco);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-img {
    max-height: 50px;
    width: auto;
    vertical-align: middle;
}

.since {
    font-size: 12px;
    color: var(--ciano);
    font-weight: 300;
    margin-left: 5px;
}

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

nav ul li a {
    color: var(--branco);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.header-contato a {
    color: var(--branco);
    text-decoration: none;
    background-color: rgba(255,255,255,0.1);
    padding: 8px 15px;
    border-radius: 50px;
    border: 1px solid var(--ciano);
    transition: all 0.3s;
}

.header-contato a:hover {
    background-color: var(--ciano);
    color: var(--azul-marinho);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--azul-marinho) 0%, #1a3a6a 100%);
    color: var(--branco);
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.hero-text {
    flex: 1;
    min-width: 300px;
}

.hero-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text h1 span {
    color: var(--ciano);
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    text-align: center;
    font-size: 200px;
    color: var(--ciano);
    opacity: 0.8;
}

/* Títulos de seção */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--azul-marinho);
    margin-bottom: 10px;
}

.divider {
    width: 80px;
    height: 4px;
    background-color: var(--ciano);
    margin: 0 auto;
}

/* Sobre */
.sobre-content {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.sobre-text {
    flex: 1;
    min-width: 300px;
}

.sobre-text p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #555;
}

.destaque {
    background-color: var(--cinza-claro);
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid var(--ciano);
    font-size: 16px;
}

.destaque i {
    color: var(--ciano);
    margin-right: 10px;
}

.sobre-image {
    flex: 1;
    text-align: center;
    font-size: 200px;
    color: var(--azul-marinho);
    opacity: 0.7;
}

/* Serviços - Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--branco);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    border-bottom: 4px solid var(--ciano);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,180,216,0.2);
}

.card i {
    font-size: 50px;
    color: var(--ciano);
    margin-bottom: 20px;
}

.card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--azul-marinho);
}

.card p {
    color: #666;
    line-height: 1.5;
}

/* Contato */
.contato {
    background-color: var(--cinza-claro);
}

.contato-content {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.contato-info, .contato-form {
    flex: 1;
    min-width: 300px;
}

.contato-info h3 {
    color: var(--azul-marinho);
    margin: 20px 0 10px;
    font-size: 20px;
}

.contato-info h3 i {
    color: var(--ciano);
    margin-right: 10px;
}

.contato-info p {
    margin-bottom: 15px;
}

.contato-info a {
    color: var(--azul-marinho);
    text-decoration: none;
    font-weight: 500;
}

.contato-info a:hover {
    color: var(--ciano);
}

.contato-form h3 {
    color: var(--azul-marinho);
    margin-bottom: 20px;
    font-size: 24px;
}

.contato-form form {
    background-color: var(--branco);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.contato-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--azul-marinho);
}

.contato-form input,
.contato-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s;
}

.contato-form input:focus,
.contato-form textarea:focus {
    outline: none;
    border-color: var(--ciano);
}

.contato-form button {
    width: 100%;
    font-size: 18px;
}

.small {
    font-size: 14px;
    color: #777;
    margin-top: 10px;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--azul-marinho);
    color: var(--branco);
    padding: 50px 0 20px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-info, .footer-links, .footer-social {
    flex: 1;
    min-width: 200px;
}

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.footer-logo {
    max-height: 50px;
    width: auto;
    margin-bottom: 15px;
}

.footer-info p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-info a {
    color: var(--branco);
    text-decoration: none;
}

.footer-links h4, .footer-social h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--ciano);
}

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

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

.footer-links ul li a {
    color: var(--branco);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--ciano);
}

.footer-social a {
    display: inline-block;
    color: var(--branco);
    font-size: 24px;
    margin-right: 15px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-social a:hover {
    opacity: 1;
    color: var(--ciano);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    opacity: 0.6;
}

/* Botão flutuante WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    line-height: 60px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s;
    z-index: 100;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

/* Página de Calculadoras (menu) */
.calculos {
    background-color: var(--branco);
    min-height: 60vh;
}

.cards-calculadora {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card-calc {
    background-color: var(--branco);
    border-radius: 12px;
    padding: 30px 20px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #eee;
    border-bottom: 4px solid var(--ciano);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.card-calc:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,180,216,0.15);
}

.card-calc i {
    font-size: 48px;
    color: var(--ciano);
    margin-bottom: 20px;
}

.card-calc h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--azul-marinho);
}

.card-calc p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* Páginas de cálculo individuais */
.calculadora-card {
    background-color: var(--branco);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--azul-marinho);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

/* Resultados das calculadoras */
.resultado-card {
    margin-top: 30px;
    background-color: #e8f4ff;
    border-radius: 8px;
    padding: 20px;
    border-left: 5px solid var(--ciano);
}

.resultado-card h3 {
    color: var(--azul-marinho);
    margin-bottom: 15px;
    font-size: 20px;
}

.resultado-card h4 {
    color: var(--azul-marinho);
    margin: 15px 0 10px;
    font-size: 16px;
}

.resultado-tabela {
    width: 100%;
    border-collapse: collapse;
}

.resultado-tabela td {
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.resultado-tabela td:last-child {
    text-align: right;
    font-weight: 600;
}

/* Layout em duas colunas para formulários (ex: markup) */
.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1 1 calc(50% - 10px);
    min-width: 200px;
}

@media (max-width: 600px) {
    .form-row .form-group {
        flex: 1 1 100%;
    }
}

/* Responsividade geral */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .hero-image {
        font-size: 150px;
    }
    
    .sobre-image {
        font-size: 150px;
    }
    
    .cards {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-social a {
        margin: 0 10px;
    }

    .cards-calculadora {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 28px;
    }
    
    .hero-image {
        font-size: 100px;
    }
    
    .sobre-image {
        font-size: 100px;
    }
    
    .btn {
        padding: 10px 20px;
    }

    .logo-img {
        max-height: 40px;
    }
}