:root {
    --bg: #050816;
    --bg-alt: #0b1020;
    --accent: #4f46e5;
    --accent-soft: #6366f1;
    --text: #f9fafb;
    --muted: #9ca3af;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    background: radial-gradient(circle at top, #111827 0, #020617 50%, #000 100%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8vw;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 9999;
}

.logo-img {
    height:150px;        /* Ajusta o tamanho da logo */
    width: auto;
    display: block;
    filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.4)); /* Glow suave estilo ASF4 */
    transition: 0.25s;
}

.logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(129, 140, 248, 0.7));
}

.sobre-img {
    max-width: 600px;
    width: 100%;
    border-radius: 1rem;
    border: 1px solid rgba(99, 102, 241, 0.25);
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.25);
}

.menu {  /* Menu normal */
    display: flex;
    gap: 20px;
}

.menu a {
    margin-left: 1.5rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 2rem;
}

.menu a:hover {
    color: var(--text);
}

.content {
    flex: 1;
    padding: 3rem 8vw 4rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-text h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero-text p {
    color: var(--muted);
    max-width: 32rem;
    margin-bottom: 1.8rem;
}

.btn-primary {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent-soft));
    color: white;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.hero-image {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    background: linear-gradient(135deg, #111827, #020617);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.7);
}

.card.secondary {
    align-self: flex-end;
    opacity: 0.9;
}

.features {
    margin-top: 2rem;
}

.features h2 {
    margin-bottom: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 1rem;
    padding: 1.2rem 1.4rem;
    border: 1px solid rgba(55, 65, 81, 0.8);
}

.feature-item h3 {
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--muted);
    font-size: 0.9rem;
}

.page {
  margin: 0 auto;          /* centraliza lateralmente */
  text-align: center;      /* centraliza texto */
  display: flex;
  flex-direction: column;
  align-items: center;     /* centraliza itens filhos no eixo horizontal */
  justify-content: center; /* controla alinhamento vertical dentro da box */
  gap: 1rem;
  padding: 2rem 1rem;
}

.page h1 {
    margin-bottom: 0.5rem;  /* distancia entre o titulo e os item */
}

.page p {
    color: var(--muted);
    line-height: 1.6;
}

.page .form {
    width: 100%;
    max-width: 600px; /* largura do furmolario de contacto */
    margin: 0 auto; /* centraliza o formulário dentro da página */
}

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

.form {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
    max-width: 480px;
}

.form label {
    display: flex;
    flex-direction: column;
    font-size: 0.9rem;
    gap: 0.3rem;
}

.form input,
.form textarea {
    padding: 0.6rem 0.8rem;
    border-radius: 0.5rem;
    border: 1px solid #374151;
    background: #020617;
    color: var(--text);
}

.form input[type="file"] {
    padding: 0.5rem;
    cursor: pointer;
}

.form input[type="file"]::file-selector-button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 0.3rem;
    cursor: pointer;
    font-weight: 500;
    margin-right: 0.5rem;
}

.form input[type="file"]::file-selector-button:hover {
    background: var(--accent-soft);
}

.form small {
    color: var(--muted);
    font-size: 0.75rem;
    margin-top: 0.2rem;
}

.alert.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #fca5a5;
    padding: 0.7rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.alert.success {
    background: rgba(22, 163, 74, 0.15);
    border: 1px solid #22c55e;
    color: #bbf7d0;
    padding: 0.7rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.footer {
    padding: 0.8rem 8vw;
    text-align: center;         /* Centraliza o texto */
    color: var(--muted);
    font-size: 1rem;
    border-top: 1px solid rgba(31, 41, 55, 0.9);
    background: #020617;
    justify-content: center;   /* Garante centralização horizontal */
    align-items: center;       /* Alinha verticalmente */
}

.menu-toggle {  /* Botão escondido no desktop */
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text);
}

@media (max-width: 600px) {  /* --- MOBILE --- */

    .menu-toggle {
        display: block;
        color: var(--text);
    }

    .menu {
        background: #ffffff;
    }

    .menu a {
        color: #111;
        font-size: 1.2rem;
        margin-left: 0;
        padding: 0.6rem 0;
    }


    .hero {
        grid-template-columns: 1fr;
    }

    .hero-image {
        order: -1;
    }

    .topbar {
        padding-inline: 5vw;
    }

    .content {
        padding-inline: 5vw;
    }

    .menu {
        display: none !important;
        flex-direction: column;
        background: #fff;
        position: absolute;
        top: 70px;
        right: 0;
        width: 200px;
        padding: 15px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        z-index: 999;
    }

    .menu.show {
        display: flex !important;
    }

    .menu-toggle {
        display: block;
    }

}