:root {
    --bg-color: #FFFFFF;
    --text-main: #000000;
    --text-secondary: #333333;
    --accent: #000000;
    --border-solid: 2px solid #000000;
    --font-title: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background: var(--bg-color);
    border-bottom: var(--border-solid);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 50px;
    display: block;
}

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

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: var(--transition);
}

nav ul li a:hover {
    opacity: 0.6;
}

/* Hero */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    background: radial-gradient(circle, #f0f0f0 1px, transparent 1px);
    background-size: 30px 30px;
}

#hero h1 {
    font-family: var(--font-title);
    font-size: 4rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

#hero h2 {
    font-family: var(--font-title);
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 300;
    letter-spacing: 2px;
}

#hero p {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-title);
    border: var(--border-solid);
}

.btn-primary {
    background: transparent;
    color: var(--text-main);
}

.btn-primary:hover {
    background: var(--text-main);
    color: var(--bg-color);
}

.btn-solid {
    background: var(--text-main);
    color: var(--bg-color);
    width: 100%;
}

.btn-solid:hover {
    background: transparent;
    color: var(--text-main);
}

/* Sections */
section {
    padding: 100px 0;
    border-bottom: 1px solid #eee;
}

section h2 {
    font-family: var(--font-title);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    text-transform: uppercase;
}

/* Sobre Grid */
.sobre-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.sobre-imagem img {
    width: 100%;
    border: var(--border-solid);
    filter: grayscale(100%);
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    border: var(--border-solid);
    padding: 30px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 10px 10px 0px #000;
}

.card h3 {
    font-family: var(--font-title);
    margin-bottom: 15px;
    text-transform: uppercase;
}

/* Etapas */
.etapas-lista {
    max-width: 800px;
    margin: 0 auto;
}

.etapa-item {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #000;
}

.etapa-item:last-child {
    border-bottom: none;
}

.etapa-num {
    font-family: var(--font-title);
    font-size: 3rem;
    line-height: 1;
}

/* Bullets */
.bullets-lista {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.bullets-lista li {
    padding: 15px;
    border-left: 5px solid #000;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 1.2rem;
    background: #f9f9f9;
}

/* Contato */
.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

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

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 5px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: var(--border-solid);
    font-family: var(--font-body);
}

/* Footer */
footer {
    background: #000;
    color: #fff;
    padding: 60px 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.logo-small {
    height: 40px;
    filter: invert(1);
}

.footer-links a {
    color: #fff;
    margin-left: 20px;
    text-decoration: none;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 1001;
    transition: var(--transition);
}

.whatsapp-float svg {
    width: 35px;
    fill: #fff;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #000;
}

@media (max-width: 768px) {
    #hero h1 { font-size: 2.5rem; }
    .header-container { padding: 0 20px; }
    nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: var(--border-solid);
        padding: 20px;
    }
    nav.active { display: block; }
    nav ul { flex-direction: column; }
    nav ul li { margin: 15px 0; }
    .menu-toggle { display: flex; }
    .sobre-grid, .contato-grid { grid-template-columns: 1fr; }
    .sobre-imagem { order: -1; }
}

.mt-4 { margin-top: 40px; }