/*
 * IncubeSocial — How It Works page styles.
 * Mobile-first. Uses design-tokens.css custom properties exclusively for color/type.
 * Signature gradient reserved for the hero accent phrase, the step markers, and the CTA button.
 */

/* ---------- Hero ---------- */

.hiw-hero {
	padding-block: 3rem 2.5rem;
	background-color: #fff;
	border-bottom: 1px solid rgba(13, 19, 43, 0.08);
}

.hiw-hero__inner {
	padding-top: 0;
	padding-bottom: 0;
}

.hiw-eyebrow {
	margin: 0 0 0.75rem;
	font-family: var(--font-body);
	font-weight: 700;
	font-size: 0.8125rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-purple-primary);
}

.hiw-hero__title {
	max-width: 20ch;
	margin: 0 0 1.25rem;
	font-size: clamp(1.875rem, 1.5rem + 1.8vw, 2.75rem);
	font-weight: 800;
	letter-spacing: -0.01em;
}

.hiw-hero__accent {
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.hiw-hero__sub {
	max-width: 52ch;
	margin: 0;
	font-size: 1.0625rem;
	line-height: 1.65;
	color: var(--color-navy-dark);
	opacity: 0.82;
}

/* ---------- Timeline ---------- */

.hiw-timeline {
	padding-block: 3rem 3.5rem;
}

.timeline {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 2.5rem;
}

.timeline__step {
	position: relative;
	display: grid;
	grid-template-columns: 3rem 1fr;
	gap: 1.25rem;
	padding-bottom: 2.5rem;
}

.timeline__step:not(:last-child)::before {
	content: "";
	position: absolute;
	top: 3.25rem;
	left: 1.5rem;
	width: 2px;
	height: calc(100% - 2rem);
	background: rgba(13, 19, 43, 0.12);
	transform: translateX(-50%);
}

.timeline__marker {
	position: relative;
	z-index: 1;
}

.timeline__number {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 3rem;
	height: 3rem;
	border-radius: 50%;
	background: var(--gradient-signature);
	color: #fff;
	font-family: var(--font-heading);
	font-weight: 800;
	font-size: 0.9375rem;
}

.timeline__title {
	margin: 0.375rem 0 0.625rem;
	font-size: 1.25rem;
	font-weight: 700;
}

.timeline__text {
	margin: 0 0 0.625rem;
	font-size: 1rem;
	line-height: 1.65;
	color: var(--color-navy-dark);
	max-width: 62ch;
}

.timeline__meta {
	margin: 0;
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--color-navy-dark);
	opacity: 0.6;
}

/* ---------- Security callout (step 3) ---------- */

.timeline__step--security .timeline__number {
	box-shadow: 0 0 0 4px rgba(0, 180, 255, 0.18);
}

.security-callout {
	margin: 1.25rem 0 1rem;
	padding: 1.25rem 1.25rem 1.375rem;
	background-color: var(--color-grey-light);
	border: 1px solid rgba(13, 19, 43, 0.08);
	border-left: 4px solid var(--color-blue-accent);
	border-radius: 0.75rem;
}

.security-callout__title {
	margin: 0 0 0.875rem;
	font-size: 0.8125rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--color-navy-dark);
	opacity: 0.75;
}

.security-callout__grid {
	display: grid;
	gap: 1rem;
}

.security-callout__item h4 {
	margin: 0 0 0.3125rem;
	font-family: var(--font-heading);
	font-size: 0.9375rem;
	font-weight: 700;
	color: var(--color-navy-dark);
}

.security-callout__item p {
	margin: 0;
	font-size: 0.9375rem;
	line-height: 1.55;
	color: var(--color-navy-dark);
	opacity: 0.85;
}

/* ---------- CTA ---------- */

.hiw-cta {
	padding-block: 3rem 3.5rem;
	background-color: var(--color-navy-dark);
}

.hiw-cta__inner {
	text-align: center;
}

.hiw-cta__title {
	margin: 0 0 0.625rem;
	color: #fff;
	font-size: 1.625rem;
	font-weight: 800;
}

.hiw-cta__sub {
	margin: 0 0 1.5rem;
	color: #fff;
	opacity: 0.75;
	font-size: 1rem;
}

.hiw-cta__button {
	display: inline-block;
}

/* ---------- Tablet and up ---------- */

@media (min-width: 640px) {
	.hiw-hero__title {
		max-width: 24ch;
	}

	.security-callout__grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 1.5rem;
	}
}

/* ---------- Desktop ---------- */

@media (min-width: 900px) {
	.hiw-hero {
		padding-block: 4.5rem 3.5rem;
	}

	.hiw-hero__title {
		max-width: 26ch;
	}

	.hiw-timeline {
		padding-block: 4rem 5rem;
	}

	.timeline {
		gap: 3rem;
	}

	.timeline__step {
		grid-template-columns: 3.5rem 1fr;
		gap: 2rem;
		padding-bottom: 3rem;
	}

	.timeline__step:not(:last-child)::before {
		left: 1.75rem;
	}

	.timeline__marker .timeline__number {
		width: 3.5rem;
		height: 3.5rem;
		font-size: 1.0625rem;
	}

	.timeline__title {
		font-size: 1.4375rem;
	}

	.hiw-cta {
		padding-block: 4.5rem;
	}

	.hiw-cta__title {
		font-size: 2rem;
	}
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}