#interesse {
    padding-top: 120px;
    min-height: 70vh;
    background-color: #000;
}

.interesse-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

/* ─── Form wrapper ─── */
.intform {
    color: #fff;
    font-family: 'Outfit', sans-serif;
}

/* ─── Progress header ─── */
.intform__header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 52px;
}

.intform__progress-track {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.intform__progress-bar {
    height: 100%;
    width: 20%;
    background: var(--yellow);
    border-radius: 2px;
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.intform__steps-label {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.35);
    white-space: nowrap;
}

/* ─── Step ─── */
.intform__step {
    display: none;
}

.intform__step.active {
    display: block;
    animation: intformFadeIn 0.3s ease;
}

@keyframes intformFadeIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.intform__title {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
    line-height: 1.25;
}

.intform__sub {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0 32px;
}

/* ─── Options grid ─── */
.intform__options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 44px;
}

.intform__options--single {
    grid-template-columns: repeat(2, 1fr);
}

.intform__option {
    cursor: pointer;
    display: block;
}

.intform__option input {
    display: none;
}

.intform__option span {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
    user-select: none;
    line-height: 1.35;
}

.intform__option span::before {
    content: '';
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: transparent;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.intform__option input[type="radio"] + span::before {
    border-radius: 50%;
}

.intform__option input:checked + span {
    border-color: var(--yellow);
    background: rgba(254, 208, 7, 0.07);
    color: var(--yellow);
}

.intform__option input:checked + span::before {
    border-color: var(--yellow);
    background: var(--yellow);
    box-shadow: inset 0 0 0 3px #000;
}

.intform__option:hover span {
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
}

/* ─── Contact fields ─── */
.intform__fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 44px;
}

.intform__field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.intform__field label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.intform__optional {
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    opacity: 0.6;
}

.intform__field input {
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 14px 16px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    color: #fff;
    outline: none;
    transition: border-color 0.18s ease;
    caret-color: var(--yellow);
}

.intform__field input:focus {
    border-color: var(--yellow);
}

.intform__field input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

/* ─── Navigation ─── */
.intform__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.intform__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 26px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, opacity 0.18s ease;
    text-decoration: none;
}

.intform__btn--primary {
    background: var(--yellow);
    color: #000;
}

.intform__btn--primary:hover:not(:disabled) {
    background: #e8bc00;
}

.intform__btn--primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.intform__btn--ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.4);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    visibility: hidden;
}

.intform__btn--ghost:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

/* ─── Shake validation animation ─── */
.shake {
    animation: intformShake 0.38s ease;
}

@keyframes intformShake {
    0%, 100% { transform: translateX(0); }
    20%       { transform: translateX(-6px); }
    40%       { transform: translateX(6px); }
    60%       { transform: translateX(-5px); }
    80%       { transform: translateX(4px); }
}

/* ─── Success screen ─── */
.intform__success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 80px 0;
    animation: intformFadeIn 0.4s ease;
}

.intform__success-icon {
    font-size: 64px;
    color: var(--yellow);
    margin-bottom: 24px;
    line-height: 1;
}

.intform__success h2 {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 12px;
}

.intform__success p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.45);
    margin: 0;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .intform__title {
        font-size: 22px;
    }

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

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

    .interesse-container {
        padding: 40px 16px 80px;
    }
}