/* ========== VARIÁVEIS CSS ========== */
:root {
    --bg: #0A0A10;
    --header-bg: #1C1C24;
    --text: #FFFFFF;
    --title: #EBEBEB;
    --muted: #8F8F9B;
    --accent: #7A49FF;
    --footer-bg: #35424a;
}

/* ========== TIPOGRAFIA E ESTILOS BASE ========== */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg);
    color: var(--text);
}

/* ========== HEADER ========== */
header {
    background: var(--header-bg);
    color: var(--text);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand img {
    width: 80px;
    height: auto;
    border-radius: 50px;
    display: block;
}

.brand h1 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--title);
}

/* ========== NAVEGAÇÃO ========== */
nav {
    margin: 10px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 10px 15px;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav a:hover {
    background: var(--accent);
}

/* ========== HEADER ACTIONS ========== */
.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* ========== BOTÕES ========== */
.btn {
    font-family: inherit;
    font-size: 0.95rem;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-login {
    background: transparent;
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.08);
}

.btn-download {
    background: linear-gradient(90deg, var(--accent), #5f39d9);
    color: var(--text);
    border-color: transparent;
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.03);
}

.btn-download:hover {
    filter: brightness(1.05);
}

/* ========== FOOTER ========== */
.site-footer {
    background: var(--footer-bg);
    color: var(--text);
    padding: 1.5rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
}

.footer-grid {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 1rem;
    box-sizing: border-box;
}

.footer-brand {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    min-width: 220px;
}

.footer-brand img {
    width: 60px;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}

.footer-brand h3 {
    margin: 0;
    color: var(--title);
    font-size: 0.95rem;
}

.footer-desc {
    margin: 0.3rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
    max-width: 320px;
    line-height: 1.3;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    margin-left: auto;
    flex-wrap: wrap;
}

.footer-col h4 {
    margin: 0 0 0.4rem 0;
    color: var(--title);
    font-size: 0.9rem;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col li {
    margin: 0.3rem 0;
}

.footer-col a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0.75rem auto 0;
    padding: 0.75rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

/* ========== FOOTER MINIMALISTA (LOGIN) ========== */
.auth-footer {
    padding: 0.5rem 1rem;
    margin-top: auto;
}

.auth-footer p {
    margin: 0;
    font-size: 0.8rem;
}

/* ========== CONTAINER ========== */
.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

/* ========== MEDIA QUERIES GLOBAIS ========== */
@media (max-width: 640px) {
    header {
        flex-wrap: wrap;
        gap: 10px;
    }

    nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 900px) {
    .footer-grid {
        gap: 1rem;
    }

    .footer-brand {
        min-width: 220px;
    }

    .footer-links {
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-links {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-left: 0;
        margin-top: 1rem;
    }

    .footer-bottom {
        padding-top: 0.75rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 420px) {
    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-desc {
        max-width: 100%;
    }
}