.savas-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--savas-space-2);
    min-height: 2.875rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid transparent;
    background: transparent;
    color: inherit;
    font-family: var(--savas-font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    line-height: 1.2;
    text-align: center;
    text-transform: uppercase;
    transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

[dir="rtl"] .savas-button {
    font-size: 0.9375rem;
}

.savas-button:focus-visible {
    outline: 2px solid var(--savas-color-focus);
    outline-offset: 3px;
}

.savas-button:disabled,
.savas-button[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.55;
}

.savas-button--light {
    background: var(--savas-color-white);
    border-color: var(--savas-color-white);
    color: var(--savas-color-surface-dark);
}

.savas-button--light:hover {
    background: transparent;
    border-color: var(--savas-color-white);
    color: var(--savas-color-white);
}

.savas-button--ghost {
    border-color: rgba(255, 255, 255, 0.45);
    color: var(--savas-color-white);
}

.savas-button--ghost:hover {
    border-color: var(--savas-color-white);
    background: var(--savas-color-white);
    color: var(--savas-color-surface-dark);
}

/* Siyah dolu: hover → transparan + border kalır + koyu yazı */
.savas-button--dark {
    background: var(--savas-color-surface-dark);
    border-color: var(--savas-color-surface-dark);
    color: var(--savas-color-white);
}

.savas-button--dark:hover,
.savas-button--dark:focus-visible {
    background: transparent;
    border-color: var(--savas-color-surface-dark);
    color: var(--savas-color-surface-dark);
}

/* Outline: hover → siyah dolgu + beyaz yazı */
.savas-button--outline {
    background: transparent;
    border-color: var(--savas-color-surface-dark);
    color: var(--savas-color-surface-dark);
}

.savas-button--outline:hover,
.savas-button--outline:focus-visible {
    background: var(--savas-color-surface-dark);
    border-color: var(--savas-color-surface-dark);
    color: var(--savas-color-white);
}

.savas-button--whatsapp {
    gap: 0.65rem;
    background: #25d366;
    border-color: #25d366;
    color: #fff;
    transition:
        color 0.25s ease,
        background-color 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}

.savas-button--whatsapp:hover {
    background: #1ebe5d;
    border-color: #1ebe5d;
    color: #fff;
    transform: translateY(-1px);
}

.savas-button--whatsapp .savas-button__icon {
    display: inline-flex;
    flex-shrink: 0;
    color: inherit;
}

.savas-button--whatsapp .savas-button__arrow {
    display: inline-flex;
    margin-inline-start: 0.15rem;
    transition: transform 0.25s ease;
}

.savas-button--whatsapp:hover .savas-button__arrow {
    transform: translateX(calc(3px * var(--savas-dir)));
}

@media (prefers-reduced-motion: reduce) {
    .savas-button--whatsapp,
    .savas-button--whatsapp .savas-button__arrow {
        transition: none;
    }

    .savas-button--whatsapp:hover {
        transform: none;
    }

    .savas-button--whatsapp:hover .savas-button__arrow {
        transform: none;
    }
}