/** MASTHEAD */
.masthead {
	padding: var(--space-8) 0 0;
}

.masthead-intro {
	text-align: center;
	margin-bottom: var(--space-12);
}

.masthead-title {
	font-size: var(--font-3xl);
	font-weight: var(--font-weight-bold);
	color: var(--color-black);
	letter-spacing: -0.02em;
	margin-bottom: var(--space-3);
}

.masthead-subtitle {
	font-size: var(--font-md);
	color: var(--color-text-muted);
	max-width: 600px;
	margin: 0 auto;
}

.masthead-content {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-8);
}

.prompt-visual {
	flex: 0 0 280px;
	max-width: 280px;
}

.invoice-visual {
	flex: 1;
	max-width: 480px;
}

.prompt-box {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: var(--space-6);
	box-shadow: var(--shadow-sm);
}

.prompt-label {
	display: block;
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-text-light);
	margin-bottom: var(--space-3);
}

.prompt-example {
	font-size: 0.85rem;
	color: var(--color-text-secondary);
	font-style: italic;
	line-height: 1.5;
}

.arrow {
	font-size: var(--font-2xl);
	color: var(--color-border-lighter);
	flex-shrink: 0;
	display: flex;
	align-items: center;
}

.invoice-image {
	width: 100%;
	height: auto;
}

/** DIVIDER */
.section-divider {
	border: none;
	height: 1px;
	background: linear-gradient(to right, transparent, var(--color-border) 15%, var(--color-border) 85%, transparent);
	margin: var(--space-12) 0;
	position: relative;
}

.section-divider::after {
	content: '';
	position: absolute;
	top: 1px;
	left: 0;
	right: 0;
	height: 24px;
	background: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(0, 0, 0, 0.06), transparent);
	pointer-events: none;
}

@media (max-width: 1100px) {
	.masthead-title {
		font-size: var(--font-xl);
		line-height: 1.15;
	}
	
	.masthead-subtitle {
		font-size: 0.95rem;
	}
	
	.masthead {
		padding: var(--space-4) 0 var(--space-8);
	}
	
	.masthead-content {
		flex-direction: column;
		gap: var(--space-2);
	}
	
	.arrow {
		transform: rotate(90deg);
		margin: 0;
	}
	
	.prompt-visual,
	.invoice-visual {
		max-width: 100%;
		width: 100%;
		flex: none;
	}
	
	.prompt-box {
		padding: var(--space-4);
		border-radius: 0;
		border-left: none;
		border-right: none;
	}
	
	.prompt-example {
		font-size: 0.8rem;
	}
	
	.invoice-placeholder {
		min-height: 160px;
		max-height: 220px;
		aspect-ratio: auto;
	}
}