/* =======================
   VARIÁVEIS
======================= */
:root {
    --background-color: #F9F9F9;
    --foreground-color: #151320;
    --card-color: #FFFFFF;
    --primary-color: #7430E8;
    --secondary-color: #eeedf2;
    --accent-color: #2EB8A5;
    --muted-foreground-color: #6B677E;
    --border-color: #e3e2e9;
}

/* =======================
   RESET
======================= */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--foreground-color);
}

/* =======================
   NAVBAR
======================= */
.navbar {
    background-color: var(--card-color);
    padding: 15px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* CONTAINER */
.nav-container {
    max-width: 1100px;
    margin: 0 auto;

    display: flex;
    justify-content: space-between;
    align-items: center;

    position: relative; /* 🔥 ESSENCIAL */
}

/* LOGO */
.logo {
    font-weight: 600;
}

/* LINKS DESKTOP */
.nav-links {
    display: flex;
    gap: 12px;
}

/* LINKS */
.nav-links a {
    text-decoration: none;
    color: var(--foreground-color);
    padding: 10px 14px;
    border-radius: 8px;
    transition: 0.25s ease;
    font-size: 14px;
}

.nav-links a:hover {
    background-color: var(--accent-color);
    color: white;
}

.nav-links a.active {
    background-color: #6B677E;
    color: white;
}

/* BOTÃO HAMBURGUER */
.menu-toggle {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
}

/* =======================
   MOBILE
======================= */
@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 60px;
        right: 0;

        width: 220px;
        flex-direction: column;

        background: var(--card-color);
        padding: 15px;
        border-radius: 12px;

        box-shadow: 0 10px 25px rgba(0,0,0,0.1);

        display: none;
        z-index: 9999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px;
    }
}

/* =======================
   HERO (TEXTO)
======================= */
.sobre-hero {
    display: flex;
    justify-content: center;
    padding: 60px 20px 10px;
}

.conteudo {
    max-width: 700px;
    width: 100%;
    text-align: left;
}

.sobre-hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 36px;
    margin-bottom: 10px;
}

.sobre-hero p {
    color: var(--muted-foreground-color);
}

/* =======================
   ALFABETO
======================= */
.alfabeto {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* GRID */
.alfabeto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* mais equilibrado */
    gap: 20px;
}

/* CARD LETRA */
.letra {
    height: 220px;
    background: var(--card-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 32px;
    font-family: 'Space Grotesk', sans-serif;

    cursor: pointer; /* importante pra UX */
    transition: 0.3s;
}

.letra:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

/* =======================
   MODAL
======================= */
.modal {
    display: none;
    position: fixed;
    z-index: 999;
    inset: 0;
    background: rgba(0,0,0,0.5);

    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 600px;
    border-radius: 12px;
    padding: 20px;
    position: relative;
}

.close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 22px;
    cursor: pointer;
}

.modal iframe {
    width: 100%;
    height: 250px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.modal-info h2 {
    font-family: 'Space Grotesk', sans-serif;
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

/* =======================
   FOOTER
======================= */
.footer {
    background-color: #F9F9FB;
    padding: 60px 20px 30px;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-brand h3 {
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--muted-foreground-color);
    font-size: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links h4 {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--muted-foreground-color);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-community h4 {
    margin-bottom: 10px;
}

.footer-community p {
    font-size: 14px;
    color: var(--muted-foreground-color);
    margin-bottom: 10px;
}

.community-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.community-link:hover {
    text-decoration: underline;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--muted-foreground-color);
}

/* =======================
   ANIMAÇÃO
======================= */
.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* =======================
   RESPONSIVO
======================= */
@media (max-width: 768px) {
    .sobre-hero h1 {
        font-size: 28px;
    }

    .letra {
        height: 180px;
        font-size: 26px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}