:root {
    --primary: #004aad;
    --secondary: #00a8a8;
    --dark: #2d3436;
    --light-bg: #f4f7f6;
    --white: #ffffff;
    --text-gray: #636e72;
    --wa-green: #25D366;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

h1, h2, h3 { font-family: 'Montserrat', sans-serif; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header & Nav */
header { padding: 15px 0; border-bottom: 1px solid #eee; background: #fff; position: sticky; top: 0; z-index: 1000; }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.5rem; color: var(--primary); }
.logo span { color: var(--secondary); }

/* Botão Premium Header */
.btn-header-premium {
    position: relative;
    background: linear-gradient(135deg, var(--secondary) 0%, #008a8a 100%);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 168, 168, 0.3);
    transition: all 0.3s ease;
}

.btn-header-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 168, 168, 0.4);
}

.pulse-icon {
    width: 8px;
    height: 8px;
    background-color: #fff;
    border-radius: 50%;
    position: relative;
}

.pulse-icon::after {
    content: '';
    position: absolute;
    width: 100%; height: 100%;
    background-color: #fff;
    border-radius: 50%;
    animation: pulse-animation 1.5s infinite;
}

@keyframes pulse-animation {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3); opacity: 0; }
}

/* Hero */
.hero { padding: 60px 0; background: linear-gradient(135deg, #fdfdfd 0%, #e9f0f5 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; color: var(--primary); line-height: 1.2; }
.hero-btns { display: flex; gap: 15px; align-items: center; }
.btn-primary { background: var(--primary); color: white; padding: 15px 30px; border-radius: 50px; text-decoration: none; font-weight: 600; transition: 0.3s; }
.btn-secondary { color: var(--primary); border: 2px solid var(--primary); padding: 13px 30px; border-radius: 50px; text-decoration: none; font-weight: 600; transition: 0.3s; }
.hero-image img { width: 100%; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

/* Cards */
.section-title { text-align: center; margin: 60px 0 40px; font-size: 2.2rem; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.card { padding: 40px 20px; background: var(--light-bg); border-radius: 15px; text-align: center; transition: 0.3s; }
.icon-box { width: 60px; height: 60px; background: rgba(0, 74, 173, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: var(--primary); font-size: 1.5rem; transition: 0.3s; }
.card:hover { transform: translateY(-10px); background: white; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.card:hover .icon-box { background: var(--primary); color: white; }

/* Features */
.features { background: var(--primary); color: white; padding: 80px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.features-list { list-style: none; margin-top: 20px; }
.features-list li { margin-bottom: 18px; padding-left: 35px; position: relative; }
.features-list li i { position: absolute; left: 0; top: 5px; color: var(--secondary); font-size: 1.2rem; }
.step { background: rgba(255,255,255,0.1); padding: 15px; margin-bottom: 10px; border-radius: 8px; display: flex; align-items: center; }
.step span { background: var(--secondary); min-width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-right: 15px; font-weight: bold; }

/* Form */
.form-section { padding: 100px 0; background: #f9f9f9; }
.form-container { max-width: 600px; margin: 0 auto; background: white; padding: 40px; border-radius: 20px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; }
input, select { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 1rem; }
.btn-submit { width: 100%; background: var(--wa-green); color: white; border: none; padding: 15px; border-radius: 8px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: 0.3s; display: flex; justify-content: center; gap: 10px; align-items: center; }
.btn-submit:hover { background: #128C7E; transform: scale(1.02); }

/* Floating WA */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background: var(--wa-green); color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 30px; box-shadow: 2px 2px 10px rgba(0,0,0,0.2); z-index: 1000; transition: 0.3s; }
.whatsapp-float:hover { transform: scale(1.1); background: #128C7E; }

footer { background: #f4f7f6; padding: 60px 0; text-align: center; }
.demo-tag { margin-top: 40px; font-size: 0.8rem; color: #999; }

@media (max-width: 768px) {
    .hero-grid, .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
    .hero-btns { flex-direction: column; width: 100%; }
    .btn-primary, .btn-secondary { width: 100%; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .nav-actions { display: none; } /* Oculta botão no mobile para limpar o topo, ou ajuste conforme preferência */
}