/* RESET BÁSICO */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}
body {
    font-family: "Inter", Arial, Helvetica, sans-serif;
}
body {
    background: #f4f4f4;
    color: #333;
    line-height: 1.5;
}

/* LINKS */
a {
    text-decoration: none;
    color: inherit;
}

/* HEADER / NAVBAR */
header {
    background: #111827;
    color: #fff;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .logo {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 0.5px;
}
h2 {
    font-size: 28px;
    color: #0f172a;
    margin-bottom: 20px;
}

h3 {
    font-size: 20px;
    color: #1e293b;
    margin-bottom: 10px;
}
nav a {
    color: #e5e7eb;
    margin-left: 20px;
    font-size: 15px;
    transition: color 0.2s ease;
}

nav a:hover {
    color: #38bdf8;
}

/* HERO (HOME) */
.hero {
    background: linear-gradient(
            rgba(15, 23, 42, 0.7),
            rgba(15, 23, 42, 0.7)
        ),
        url('../assets/bg-hero.jpg') center/cover no-repeat;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #f9fafb;
    padding: 40px 20px;
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 20px;
    max-width: 600px;
}

/* BOTÃO PADRÃO */
.btn {
    display: inline-block;
    background: #0ea5e9;
    color: #fff;
    padding: 12px 26px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 15px;
    transition: 0.2s ease;
}

.btn:hover {
    background: #0284c7;
    transform: translateY(-2px);
}

/* SEÇÕES GENÉRICAS */
.section {
    padding: 60px 40px;
    text-align: center;
}

.section h2 {
    font-size: 26px;
    margin-bottom: 15px;
    color: #111827;
}

.section p {
    max-width: 800px;
    margin: 0 auto 10px auto;
    font-size: 15px;
    color: #4b5563;
}

/* CARDS DE TREINAMENTO */
.cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: #ffffff;
    padding: 20px;
    width: 280px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(148, 163, 184, 0.4);
    text-align: left;
}

.card h3 {
    margin-bottom: 8px;
    font-size: 18px;
    color: #111827;
}

.card p {
    font-size: 14px;
    margin-bottom: 15px;
    color: #4b5563;
}

/* LDI */
.ldi-box {
    background: #ffffff;
    padding: 20px;
    width: 70%;
    max-width: 800px;
    margin: 25px auto 0 auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(148, 163, 184, 0.4);
    text-align: left;
}

.ldi-box h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #111827;
}

.ldi-box p {
    font-size: 14px;
    color: #4b5563;
}

/* FORMULÁRIOS */
.form {
    width: 70%;
    max-width: 700px;
    margin: 25px auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form input,
.form textarea,
.form select {
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #9ca3af;
    font-size: 14px;
    outline: none;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form textarea {
    min-height: 120px;
    resize: vertical;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 1px rgba(14, 165, 233, 0.4);
}

.form button {
    align-self: flex-start;
}

/* FOOTER */
footer {
    background: #111827;
    color: #e5e7eb;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
    font-size: 13px;
}

/* RESPONSIVO */
@media (max-width: 900px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        margin-top: 10px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero p {
        font-size: 16px;
    }

    .section {
        padding: 40px 20px;
    }

    .cards {
        flex-direction: column;
        align-items: center;
    }

    .form,
    .ldi-box {
        width: 90%;
    }
}
/* MENU MOBILE */
.menu-toggle {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: #fff;
}

@media (max-width: 900px) {
    nav {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #111827;
        padding: 10px 0;
    }

    nav.open {
        display: flex;
    }

    nav a {
        padding: 12px;
        margin: 0;
        text-align: center;
        border-top: 1px solid #1f2937;
    }

    .menu-toggle {
        display: block;
    }

    header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}
.card, .ldi-box, .certificate, .quiz-container {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}