/* ===========================================
   SEÇÃO JUNTE-SE À CAMPANHA — captura de apoiadores
   Fundo branco texturizado + formulário minimalista
   =========================================== */

.campanha {
    position: relative;
    width: 100%;
    padding: 11rem 8vw;
    display: flex;
    justify-content: center;
    overflow: hidden;
    isolation: isolate;

    background-color: #f3efe7;
    background-image:
        radial-gradient(120% 80% at 50% 0%, #faf7f1 0%, #f3efe7 55%, #ece7dd 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    background-blend-mode: multiply;
    color: #211d17;
}

.campanha-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 720px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ----- Cabeçalho ----- */
.campanha-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.32em;
    color: #b1682f;
    margin-bottom: 1.6rem;
}

.campanha-eyebrow::before,
.campanha-eyebrow::after {
    content: '';
    width: 30px;
    height: 1px;
    background: rgba(177, 104, 47, 0.6);
}

.campanha-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 4.6vw, 4rem);
    font-weight: 300;
    line-height: 1.1;
    color: #1c1813;
    margin-bottom: 1.4rem;
}

.campanha-title em {
    font-style: italic;
    font-weight: 400;
    color: #b1682f;
}

.campanha-text {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 1.15vw, 1.1rem);
    font-weight: 400;
    line-height: 1.75;
    color: #5b544a;
    max-width: 34rem;
    margin-bottom: 3rem;
}

/* ===========================================
   FORMULÁRIO
   =========================================== */
.campanha-form {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 1.8rem 2rem;
    align-items: flex-end;
    justify-content: center;
}

.field {
    flex: 1 1 180px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
    min-width: 0;
}

.field label {
    font-family: var(--font-sans);
    font-size: 0.62rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: #8a7f6f;
}

.field input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(28, 24, 19, 0.25);
    padding: 0.6rem 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: #1c1813;
    transition: border-color 0.4s var(--ease-out-expo);
}

.field input::placeholder {
    color: rgba(28, 24, 19, 0.35);
}

.field input:focus {
    outline: none;
    border-bottom-color: #b1682f;
}

/* Campo com erro */
.field input.invalid {
    border-bottom-color: #c0392b;
}

/* Botão */
.campanha-submit {
    flex: 0 0 auto;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #f3efe7;
    background: #1c1813;
    border: 1px solid #1c1813;
    padding: 1rem 2.4rem;
    cursor: pointer;
    transition: background-color 0.45s var(--ease-out-expo),
                color 0.45s var(--ease-out-expo);
    white-space: nowrap;
}

.campanha-submit:hover {
    background: #b1682f;
    border-color: #b1682f;
    color: #ffffff;
}

/* Nota de privacidade */
.campanha-privacy {
    margin-top: 1.8rem;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    color: #8a7f6f;
}

/* ===========================================
   ESTADO DE SUCESSO
   =========================================== */
.campanha-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    padding: 2rem 0;
    animation: campanhaFade 0.7s var(--ease-out-expo);
}

.campanha-success-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 1px solid #b1682f;
    color: #b1682f;
    font-size: 1.5rem;
}

.campanha-success p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.5rem;
    color: #1c1813;
}

@keyframes campanhaFade {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===========================================
   REVEAL (observer global .reveal-element)
   =========================================== */
.campanha .reveal-element {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
    will-change: transform, opacity;
}

.campanha .reveal-element.visible {
    opacity: 1;
    transform: none;
}

.campanha .campanha-title.reveal-element    { transition-delay: 0.1s; }
.campanha .campanha-text.reveal-element     { transition-delay: 0.2s; }
.campanha .campanha-form.reveal-element     { transition-delay: 0.3s; }
.campanha .campanha-privacy.reveal-element  { transition-delay: 0.4s; }

/* ===========================================
   RESPONSIVIDADE
   =========================================== */
@media (max-width: 720px) {
    .campanha {
        padding: 7rem 1.5rem;
    }

    .campanha-form {
        flex-direction: column;
        align-items: stretch;
        gap: 1.6rem;
    }

    /* Em coluna, o flex-basis de 180px viraria ALTURA e esticaria cada
       campo — trava a altura ao conteúdo para eliminar o vão gigante */
    .field {
        flex: 0 0 auto;
    }

    .campanha-submit {
        width: 100%;
        padding: 1.1rem;
        margin-top: 0.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .campanha .reveal-element {
        transition-duration: 0.3s;
        transition-delay: 0s;
        transform: none;
    }
    .campanha-success {
        animation: none;
    }
}