/* ===== Reset básico ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f5f6fa;
    color: #2f3640;
    line-height: 1.6;
}

/* ===== Menu ===== */
nav.menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    background: rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid #3867d6;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .logo {
    font-size: 1.8em;
    color: #3867d6;
    font-weight: bold;
}

nav .logo span { color: #ff9900; }

nav ul.menu-items {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav ul.menu-items li a {
    text-decoration: none;
    color: #3867d6;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
}

nav ul.menu-items li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: #ff9900;
    bottom: -4px;
    left: 0;
    transition: width 0.3s ease;
}

nav ul.menu-items li a:hover::after,
nav ul.menu-items li a.active::after { width: 100%; }

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #3867d6, #4b7bec);
    color: #fff;
}

.hero h1 {
    font-size: 3em;
    text-shadow: 0 0 10px #3867d6, 0 0 20px #ff9900;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero .btn {
    display: inline-block;
    background: linear-gradient(90deg, #4b7bec, #3867d6);
    padding: 15px 40px;
    color: #fff;
    font-weight: bold;
    border-radius: 10px;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.hero .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* ===== Features (Cards de Produtos) ===== */
.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 50px 20px;
}

.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    width: 300px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 15px rgba(56,103,214,0.3), 0 0 25px rgba(255,153,0,0.2);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px rgba(56,103,214,0.5), 0 0 40px rgba(255,153,0,0.3);
}

.feature-card h2 { color: #3867d6; margin-bottom: 15px; }
.feature-card p { color: #57606f; margin-bottom: 15px; }

.feature-card select,
.form-container input,
.form-container textarea,
.form-container select {
    width: 100%;
    padding: 12px;
    margin: 10px 0 15px;
    border-radius: 6px;
    border: 1px solid #3867d6;
    font-size: 1em;
    background: #f1f2f6;
    color: #2f3640;
}

.feature-card .btn-login,
.form-container button,
.form-container .btn,
.btn-register,
.dashboard a {
    display: inline-block;
    background: linear-gradient(90deg, #4b7bec, #3867d6);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    padding: 12px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(135,141,156,0.3), 0 0 15px rgba(255,153,0,0.2);
    border: none;
}

.feature-card .btn-login:hover,
.form-container button:hover,
.form-container .btn:hover,
.btn-register:hover,
.dashboard a:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(56,103,214,0.5), 0 0 25px rgba(255,153,0,0.3);
}

.form-container,
.dashboard {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 0 15px rgba(56,103,214,0.3), 0 0 25px rgba(255,153,0,0.2);
    max-width: 700px;
    margin: 50px auto;
    text-align: center;
}

.form-container { max-width: 400px; }

.form-container label { display: block; text-align: left; font-size: 0.9em; color: #57606f; margin-top: 10px; }
.btn-register { margin-top: 20px; }

footer { text-align: center; padding: 20px; color: #57606f; }

/* ===== Mensagens de Formulário ===== */
.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    animation: fadeIn 0.6s ease-in-out;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.form-message.success { background: linear-gradient(90deg, #2ed573, #1dd1a1); border-left: 5px solid #10ac84; }
.form-message.error { background: linear-gradient(90deg, #ff6b6b, #ee5253); border-left: 5px solid #c0392b; }
.form-message.info { background: linear-gradient(90deg, #3867d6, #4b7bec); border-left: 5px solid #273c75; }

/* ===== Animação ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Responsividade ===== */
@media (max-width: 768px) {
    nav { padding: 10px 20px; }
    .features { flex-direction: column; align-items: center; }
}