/**
 * Sección 3 — Metodología IQ Data
 */

.iqdc-method {
	--iqdc-brand: #008bff;
	--iqdc-bg: #111827;
	--iqdc-text: #ffffff;
	--iqdc-text-muted: #d1d5db;
	--iqdc-border: rgba(0, 139, 255, 0.35);
	--iqdc-card-bg: rgba(255, 255, 255, 0.04);
	--iqdc-max: 1200px;

	background: var(--iqdc-bg);
	color: var(--iqdc-text);
	padding: clamp(3.5rem, 7vw, 5.5rem) clamp(1.25rem, 4vw, 2rem);
	font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
	line-height: 1.65;
}

.iqdc-method *,
.iqdc-method *::before,
.iqdc-method *::after {
	box-sizing: border-box;
}

.iqdc-method__inner {
	max-width: var(--iqdc-max);
	margin: 0 auto;
}

.iqdc-method__header {
	max-width: 52rem;
	margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
	text-align: center;
}

.iqdc-method__title {
	margin: 0 0 1rem;
	font-size: clamp(1.625rem, 3vw, 2.375rem);
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.02em;
	color: var(--iqdc-text);
}

.iqdc-method__title::after {
	content: "";
	display: block;
	width: 4.5rem;
	height: 3px;
	margin: 1.125rem auto 0;
	background: linear-gradient(90deg, var(--iqdc-brand), #33a8ff);
	border-radius: 999px;
}

.iqdc-method__subtitle {
	margin: 0;
	font-size: clamp(1rem, 1.5vw, 1.2rem);
	color: var(--iqdc-text-muted);
	line-height: 1.6;
}

.iqdc-method__blocks {
	display: flex;
	flex-wrap: wrap;
	gap: clamp(1.25rem, 2.5vw, 2rem);
	align-items: stretch;
	justify-content: center;
}

.iqdc-method__block {
	flex: 1 1 280px;
	max-width: 100%;
	min-width: min(100%, 280px);
	padding: clamp(1.5rem, 2.5vw, 2rem);
	background: var(--iqdc-card-bg);
	border: 1px solid var(--iqdc-border);
	border-radius: 14px;
	position: relative;
	overflow: hidden;
	transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.iqdc-method__block::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--iqdc-brand), transparent);
	opacity: 0.85;
}

.iqdc-method__block:hover,
.iqdc-method__block:focus-within {
	border-color: var(--iqdc-brand);
	transform: translateY(-4px);
	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.iqdc-method__block-title {
	margin: 0 0 1rem;
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
	font-size: clamp(1.05rem, 1.6vw, 1.2rem);
	font-weight: 700;
	line-height: 1.3;
	color: var(--iqdc-text);
}

.iqdc-method__block-num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	font-size: 1rem;
	font-weight: 800;
	color: var(--iqdc-bg);
	background: var(--iqdc-brand);
	border-radius: 8px;
	flex-shrink: 0;
	box-shadow: 0 4px 14px rgba(0, 139, 255, 0.45);
}

.iqdc-method__block-text {
	margin: 0;
	font-size: 0.98rem;
	color: var(--iqdc-text-muted);
	line-height: 1.7;
}

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

	.iqdc-method__block {
		flex: 1 1 auto;
		min-width: 0;
	}

	.iqdc-method__block-title {
		flex-direction: row;
		align-items: center;
		gap: 0.85rem;
	}
}

@media (max-width: 480px) {
	.iqdc-method {
		padding: 2.75rem 1rem 3.25rem;
	}

	.iqdc-method__header {
		text-align: left;
	}

	.iqdc-method__title::after {
		margin-left: 0;
		margin-right: auto;
	}
}