/**
 * MIREKBYGG - Button System
 * Elegant, tactile buttons with luxury feel
 */

/* === BASE BUTTON === */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--btn-padding-y) var(--btn-padding-x);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border: none;
    border-radius: var(--btn-radius);
    cursor: pointer;
    overflow: hidden;
    transition: 
        transform var(--transition-base) var(--ease-out),
        box-shadow var(--transition-base) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-icon {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base) var(--ease-out);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* === PRIMARY BUTTON === */
.btn-primary {
    background: var(--color-gold);
    color: var(--color-black);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    transition: transform var(--transition-slow) var(--ease-out);
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-primary:hover {
    box-shadow: var(--shadow-gold-lg);
}

/* Pulsing CTA */
.btn-primary.pulse {
    animation: pulse 2s infinite;
}

.btn-primary.pulse:hover {
    animation: none;
}

/* === SECONDARY BUTTON === */
.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--border-primary);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-white);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base) var(--ease-out);
    z-index: 0;
}

.btn-secondary:hover {
    color: var(--color-black);
    border-color: var(--color-white);
}

.btn-secondary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* === OUTLINE BUTTON === */
.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-gold);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-base) var(--ease-out);
    z-index: 0;
}

.btn-outline:hover {
    color: var(--color-black);
}

.btn-outline:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.btn-outline svg {
    width: 18px;
    height: 18px;
}

/* === GHOST BUTTON === */
.btn-ghost {
    background: transparent;
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
    color: var(--color-gold);
}

/* === SIZE VARIANTS === */
.btn.small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn.large {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-base);
}

.btn.large .btn-icon svg {
    width: 20px;
    height: 20px;
}

/* === ICON ONLY === */
.btn-icon-only {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

.btn-icon-only.small {
    width: 36px;
    height: 36px;
}

.btn-icon-only.large {
    width: 56px;
    height: 56px;
}

/* === LINK BUTTON === */
.btn-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0;
    background: none;
    color: var(--color-gold);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-base) var(--ease-out);
}

.btn-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base) var(--ease-out);
}

.btn-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base) var(--ease-out);
}

.btn-link:hover svg {
    transform: translateX(4px);
}

/* === BUTTON GROUP === */
.btn-group {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.btn-group.centered {
    justify-content: center;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-xs);
    }
    
    .btn.large {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-sm);
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .btn-group {
        gap: var(--space-3);
    }
}