/* ── Newsletter Signup Form ── */
.signup {
    opacity: 0;
    animation: fadeSlideUp 0.8s 1.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.signup-form__row {
    display: flex;
    gap: 0;
    border: 1px solid var(--color-glass-border);
    border-radius: 100px;
    background: var(--color-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.signup-form__row:focus-within {
    border-color: rgba(251, 159, 196, 0.4);
    box-shadow: 0 0 24px var(--color-accent-glow);
}

.signup-form__input {
    flex: 1;
    min-width: 0;
    padding: 0.8rem 1.4rem;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.01em;
}

.signup-form__input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.signup-form__btn {
    position: relative;
    padding: 0.8rem 1.6rem;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-warm));
    border: none;
    border-radius: 100px;
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.3s, transform 0.2s;
    margin: 4px;
}

.signup-form__btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.signup-form__btn:active {
    transform: scale(0.98);
}

.signup-form__btn--loading .signup-form__btn-text {
    visibility: hidden;
}

.signup-form__btn--loading .signup-form__btn-loading {
    display: block;
}

.signup-form__btn-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.signup-form__status {
    margin-top: 0.75rem;
    font-size: 0.82rem;
    font-weight: 400;
    min-height: 1.2em;
    transition: opacity 0.3s;
}

.signup-form__status--error {
    color: #ff6b6b;
}

.signup-form__status--success {
    color: #69db7c;
}

.signup-form__hint {
    margin-top: 0.5rem;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}