/* --- RESET & VARIÁVEIS GLOBAIS --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-principal: #0b0f19;
    --bg-secundario: #131a2c;
    --cor-neon: #00f0ff;
    --cor-neon-hover: #00b8cc;
    --texto-claro: #f4f6fa;
    --texto-mutado: #8a99ad;
    --borda-suave: rgba(255, 255, 255, 0.05);
    --fonte-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

/* --- UTILITÁRIOS --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-block;
    background-color: var(--cor-neon);
    color: #000;
    font-weight: 700;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn:hover {
    background-color: var(--cor-neon-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5);
}

.btn-nav {
    padding: 10px 20px;
    font-size: 12px;
}

.btn-submit {
    width: 100%;
    text-align: center;
}

/* --- HEADER / NAV --- */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--borda-suave);
    background-color: rgba(11, 15, 25, 0.8);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.logo span {
    color: var(--cor-neon);
}

/* --- HERO SECTION --- */
.hero {
    padding: 100px 0 120px 0;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero { padding: 60px 0; }
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

@media (max-width: 480px) {
    .hero h1 { font-size: 34px; }
}

.hero h1 span {
    color: var(--cor-neon);
}

.hero p {
    font-size: 18px;
    color: var(--texto-mutado);
    margin-bottom: 40px;
}

/* Representação gráfica da Impressora 3D */
.hero-visual {
    position: relative;
    background: linear-gradient(135deg, var(--bg-secundario) 0%, #1a243d 100%);
    border: 1px solid var(--borda-suave);
    border-radius: 16px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    overflow: hidden;
}

.printer-bed {
    width: 70%;
    height: 12px;
    background: #2c3a59;
    position: absolute;
    bottom: 60px;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.printer-laser {
    position: absolute;
    top: 40px;
    width: 4px;
    height: 180px;
    background: linear-gradient(to bottom, var(--cor-neon), transparent);
    box-shadow: 0 0 15px var(--cor-neon);
    animation: scan 4s ease-in-out infinite alternate;
}

.printed-object {
    width: 120px;
    height: 140px;
    background: rgba(0, 240, 255, 0.15);
    border: 2px solid var(--cor-neon);
    position: absolute;
    bottom: 72px;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
    animation: pulse-object 2s infinite alternate;
}

@keyframes scan {
    0% { left: 30%; }
    100% { left: 70%; }
}

@keyframes pulse-object {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* --- SEÇÃO PÚBLICO-ALVO --- */
.publico {
    padding: 80px 0;
    background-color: var(--bg-secundario);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--texto-mutado);
}

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

.card {
    background-color: var(--bg-principal);
    border: 1px solid var(--borda-suave);
    padding: 40px 32px;
    border-radius: 12px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--cor-neon);
}

.card-icon {
    font-size: 36px;
    color: var(--cor-neon);
    margin-bottom: 24px;
}

.card h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.card p {
    color: var(--texto-mutado);
    font-size: 15px;
}

/* --- COMO FUNCIONA --- */
.passos {
    padding: 100px 0;
}

.etapas-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
}

.etapa {
    text-align: center;
    position: relative;
}

.numero-etapa {
    width: 60px;
    height: 60px;
    background-color: var(--bg-secundario);
    border: 2px solid var(--cor-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--cor-neon);
    margin: 0 auto 24px auto;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

.etapa h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.etapa p {
    color: var(--texto-mutado);
    font-size: 14px;
}

/* --- FORMULÁRIO DE CONVERSÃO / CTA --- */
.contato {
    padding: 100px 0;
    background: radial-gradient(circle at center, #131a2c 0%, var(--bg-principal) 100%);
}

.form-box {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-secundario);
    border: 1px solid var(--borda-suave);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}

@media (max-width: 480px) {
    .form-box { padding: 24px; }
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--texto-claro);
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 14px 16px;
    background-color: var(--bg-principal);
    border: 1px solid var(--borda-suave);
    border-radius: 8px;
    color: #fff;
    font-family: var(--fonte-main);
    font-size: 15px;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--cor-neon);
}

/* --- FOOTER --- */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--borda-suave);
    color: var(--texto-mutado);
    font-size: 14px;
}