/* ==========================
   RESET E VARIÁVEIS GERAIS
========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: #0f172a;
    color: #ffffff;
    scroll-behavior: smooth;
}

:root {
    --gradient-1: linear-gradient(135deg, #0f172a, #1e3a8a);
    --gradient-2: linear-gradient(270deg, #1a1a2e, #16213e, #0f3460, #1a1a2e);
    --gradient-3: linear-gradient(135deg, #0f1123, #1f285c, #431e76);
    --accent-color: #00e5ff;
    --text-light: #cbd5e1;
}

section {
    padding: 100px 20px;
}

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

/* ==========================
   HERO
========================== */
.hero {
    background: var(--gradient-1);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3rem;
    background: linear-gradient(90deg, #38bdf8, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero .cta {
    background: linear-gradient(90deg, var(--accent-color), #3b82f6);
    color: #0f172a;
    padding: 14px 28px;
    font-weight: bold;
    border-radius: 10px;
    text-decoration: none;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
    transition: 0.3s;
}

.hero .cta:hover {
    background: linear-gradient(90deg, #00c0ff, #2563eb);
    transform: scale(1.05);
}

/* ==========================
   SEÇÕES COMUNS
========================== */
.section-title {
    font-size: 2.6rem;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-box {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 24px rgba(0, 229, 255, 0.1);
}

.feature-box h3 {
    margin-bottom: 12px;
    color: #38bdf8;
}

.feature-box p {
    color: var(--text-light);
}

/* ==========================
   DIFERENTES BACKGROUNDS
========================== */
.negocios-section {
    background: var(--gradient-2);
    background-size: 800% 800%;
    animation: animateGradient 20s ease infinite;
}

.vendas-section {
    background: var(--gradient-3);
    background-size: 800% 800%;
    animation: animateGradient 20s ease infinite;
}

.documentos-section {
    background: linear-gradient(135deg, #0a0f2c, #151f40);
}

@keyframes animateGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ==========================
   FOOTER OPCIONAL
========================== */
footer {
    text-align: center;
    padding: 40px;
    background: #0f172a;
    color: #94a3b8;
    font-size: 0.95rem;
}

/* ==========================
   RESPONSIVO
========================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .hero p,
    .section-subtitle {
        font-size: 1rem;
    }
}