/* ==============================
   VARIÁVEIS CSS E ESTILOS GLOBAIS
   ============================== */

:root {
    --primary-color: #0066cc;
    --secondary-color: #00c9a7;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --text-color: #333;
    --border-color: #ddd;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

/* ==============================
   TIPOGRAFIA
   ============================== */

h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

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

/* ==============================
   NAVEGAÇÃO
   ============================== */

.navbar {
    background-color: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar-brand .logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.btn-contact {
    background-color: var(--primary-color);
    color: #fff !important;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    transition: var(--transition);
}

.btn-contact:hover {
    background-color: #0052a3;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* ==============================
   BOTÕES
   ============================== */

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0052a3;
    border-color: #0052a3;
}

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

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

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

/* ==============================
   SEÇÃO HERO
   ============================== */

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    color: #fff;
    margin-bottom: 1rem;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-content .btn {
    margin-right: 1rem;
    margin-bottom: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.placeholder-image {
    font-size: 8rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ==============================
   SEÇÃO DE RECURSOS
   ============================== */

.features {
    padding: 4rem 0;
    background-color: var(--light-color);
}

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

.feature-card {
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #666;
    margin-bottom: 0;
}

/* ==============================
   PRÉVIA DE SERVIÇOS
   ============================== */

.services-preview {
    padding: 4rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.service-card {
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.link {
    font-weight: 600;
    color: var(--primary-color);
}

.link:hover {
    color: var(--secondary-color);
}

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

/* ==============================
   SEÇÃO CHAMADA À AÇÃO
   ============================== */

.cta {
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    color: #fff;
    padding: 4rem 0;
    text-align: center;
}

.cta h2 {
    color: #fff;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ==============================
   RODAPÉ
   ============================== */

.footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 3rem 0 1rem;
}

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

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

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ==============================
   CLASSES UTILITÁRIAS
   ============================== */

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

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

.section-title h2 {
    margin-bottom: 1rem;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ==============================
   MODAL CUSTOMIZADO
   ============================== */

.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
}

.custom-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.modal-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    color: #333;
}

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

.modal-message {
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-actions .btn {
    min-width: 100px;
}

/* Tipos de modal */
.custom-modal.modal-info .modal-title {
    color: var(--primary-color);
}

.custom-modal.modal-success .modal-title {
    color: #00c9a7;
}

.custom-modal.modal-error .modal-title {
    color: #dc3545;
}

.custom-modal.modal-warning .modal-title {
    color: #ffc107;
    color: #333;
}