/* ==========================================================
   KOKO Enterprise — Buttons
   ========================================================== */

.btn,
button.btn,
input[type="submit"].btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .85rem;
	min-height: 56px;
	padding: .9rem 1.6rem;
	color: var(--color-primary);
	background: transparent;
	border: 1px solid transparent;
	border-radius: 0;
	font-family: var(--font-body);
	font-size: .76rem;
	font-weight: 700;
	line-height: 1;
	letter-spacing: .1em;
	text-align: center;
	text-decoration: none;
	text-transform: uppercase;
	white-space: nowrap;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
	transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover {
	transform: translateY(-2px);
}

.btn:active {
	transform: translateY(0);
}

.btn:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 4px;
}

.btn:disabled,
.btn.disabled,
.btn[aria-disabled="true"] {
	opacity: .45;
	cursor: not-allowed;
	pointer-events: none;
}

.btn-primary {
	color: var(--color-white);
	background: var(--color-primary);
	border-color: var(--color-primary);
}

.btn-primary:hover {
	color: var(--color-white);
	background: var(--color-accent-hover);
	border-color: var(--color-accent-hover);
	box-shadow: var(--shadow-sm);
}

.btn-accent {
	color: var(--color-accent-contrast);
	background: var(--color-accent);
	border-color: var(--color-accent);
}

.btn-accent:hover {
	color: var(--color-white);
	background: var(--color-accent-hover);
	border-color: var(--color-accent-hover);
	box-shadow: var(--shadow-sm);
}

.btn-secondary {
	color: var(--color-primary);
	background: var(--color-white);
	border-color: var(--color-border);
}

.btn-secondary:hover {
	color: var(--color-primary);
	background: var(--color-surface-muted);
	border-color: var(--color-border-strong);
}

.btn-ghost {
	color: var(--color-primary);
	background: transparent;
	border-color: rgba(18, 18, 18, .18);
}

.btn-ghost:hover {
	color: var(--color-primary);
	background: var(--color-accent-soft);
	border-color: var(--color-accent);
}

.btn-text {
	min-height: auto;
	padding: .3rem 0;
	color: var(--color-primary);
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--color-accent);
	font-size: .75rem;
}

.btn-text:hover {
	color: var(--color-accent-hover);
	transform: none;
}

.btn-icon {
	width: 56px;
	height: 56px;
	padding: 0;
}

.header-cta {
	min-width: 176px;
	box-shadow: var(--shadow-sm);
}

.header-cta:hover {
	box-shadow: var(--shadow-md);
}

.home .site-header:not(.is-scrolled) .header-cta {
	color: var(--color-white);
	background: rgba(255, 255, 255, .1);
	border-color: rgba(255, 255, 255, .35);
	box-shadow: none;
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
}

.home .site-header:not(.is-scrolled) .header-cta:hover {
	color: var(--color-primary);
	background: var(--color-white);
	border-color: var(--color-white);
}

.button-group {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 1rem;
}

@media (max-width: 768px) {
	.button-group {
		align-items: stretch;
		flex-direction: column;
	}

	.button-group .btn {
		width: 100%;
	}
}

@media (max-width: 576px) {
	.btn {
		width: 100%;
	}

	.header-cta {
		min-width: 100%;
	}
}

@media (hover: none) {
	.btn:hover {
		transform: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.btn:hover {
		transform: none;
	}
}