/* ============================================
   DG Sistemas - Estilos Principais
   Design Moderno, Responsivo e Mobile-First
   ============================================ */

:root {
    --primary-color: #003d82;
    --secondary-color: #0056b3;
    --accent-color: #00a8e8;
    --light-gray: #f5f5f5;
    --medium-gray: #cccccc;
    --dark-gray: #333333;
    --white: #ffffff;
    --success-color: #28a745;
    --error-color: #dc3545;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition: all 0.3s ease;
}

/* Reset e Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--dark-gray);
    background-color: var(--white);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

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

/* Header e Navegação */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
    width: auto;
}

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

/* Navegação */
nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

nav a:hover,
nav a.active {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

/* Menu Hamburger (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-image: url('../images/default.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.cta-button:hover {
    background-color: #0088b8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 232, 0.4);
}

/* Section */
section {
    padding: 60px 0;
}

section.light-bg {
    background-color: var(--light-gray);
}

section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Card */
.card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 1rem;
}

/* Formulário */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--medium-gray);
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

.form-button {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.form-button:hover {
    background-color: var(--primary-color);
}

.form-button:disabled {
    background-color: var(--medium-gray);
    cursor: not-allowed;
}

/* Mensagens de Feedback */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #b0d4ff;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

/* Responsivo - Tablet */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

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

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

    nav {
        display: none;
        position: absolute;
        top: 70px;
        right: 0;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        gap: 0;
    }

    nav.active {
        display: flex;
    }

    nav a {
        padding: 1rem;
        border-bottom: 1px solid var(--light-gray);
    }

    .hamburger {
        display: flex;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    section {
        padding: 40px 0;
    }

    .hero {
        padding: 60px 0;
    }
}

/* Responsivo - Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 40px 0;
    }

    .card {
        padding: 1.5rem;
    }

    .cta-button,
    .form-button {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

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

/* Utilitários */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

.hidden {
    display: none;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.whatsapp-icon {
    position: fixed;
    bottom: 60px;
    right: 60px;
    width: 60px;
    height: 60px;
    padding: 8px;
    border-radius: 100px;
    background-color: #075e54;
    z-index: 99;

    svg {
        width: 100%;
        height: 100%;

        path {
            fill: #ffffff;
        }
    }
}

@media screen and (max-width: 992px){
    .whatsapp-icon {
        bottom: 40px;
        right: 10px;
    }
}