/* ============================================================
   Methodology page — scoped under .ph-methodology-page
   Reuses .ph-about-key, .ph-about-split, .ph-about-rp, .ph-faq
   ============================================================ */

.ph-methodology-page {
	background: var(--ph-gray-bg);
	padding: 2.5rem 0 0;
}

.ph-methodology-page__wrap {
	padding-bottom: 0;
}

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

.ph-methodology-hero {
	margin-bottom: 3rem;
}

.ph-methodology-hero__inner {
	background: var(--ph-white);
	border: 1px solid var(--ph-border);
	border-radius: 2rem;
	box-shadow: var(--ph-shadow-sm);
	padding: clamp(2rem, 5vw, 3.5rem);
	text-align: center;
	margin: 0 auto;
}

.ph-methodology-hero__eyebrow {
	display: inline-flex;
	align-items: center;
	padding: 0.375rem 0.875rem;
	margin-bottom: 1rem;
	border-radius: 9999px;
	background: var(--ph-green-bg);
	color: var(--ph-green);
	font-size: 0.875rem;
	font-weight: var(--ph-fw-medium);
	line-height: 1.2;
}

.ph-methodology-hero__title {
	margin: 0 0 1.25rem;
	font-size: clamp(2.5rem, 5vw, 3.75rem);
	font-weight: var(--ph-fw-extra);
	color: var(--ph-black);
	letter-spacing: -0.02em;
	line-height: 1.12;
}

.ph-methodology-hero__body {
	font-size: 1.25rem;
	color: var(--ph-gray);
	line-height: 1.55;
	margin-bottom: 1.5rem;
	max-width: 42rem;
	margin-left: auto;
	margin-right: auto;
}

.ph-methodology-hero__body p {
	margin: 0 0 1rem;
	font-size: inherit;
	color: inherit;
}

.ph-methodology-hero__body p:last-child {
	margin-bottom: 0;
}

/* ---- Intro ---- */

.ph-methodology-intro {
	margin-bottom: 3rem;
}

.ph-methodology-intro__card {
	background: var(--ph-white);
	border: 1px solid var(--ph-border);
	border-radius: 1rem;
	box-shadow: var(--ph-shadow-sm);
	padding: clamp(2rem, 4vw, 2.5rem);
}

.ph-methodology-intro__title {
	margin: 0 0 0.75rem;
	font-size: 2.5rem;
	font-weight: var(--ph-fw-extra);
	color: var(--ph-black);
	line-height: 1.2;
	letter-spacing: -0.02em;
}

.ph-methodology-intro__rule {
	display: block;
	width: 3rem;
	height: 0.25rem;
	background: var(--ph-green);
	border-radius: 0.125rem;
	margin-bottom: 1.5rem;
}

.ph-methodology-intro__body {
	font-size: 1.25rem;
	color: var(--ph-gray);
	line-height: 1.55;
}

.ph-methodology-intro__body p {
	margin: 0 0 1rem;
	font-size: inherit;
	color: inherit;
}

.ph-methodology-intro__body p:last-child {
	margin-bottom: 0;
}

/* ---- Core method highlight ---- */

.ph-methodology-core {
	margin-bottom: 3rem;
}

.ph-methodology-core__card {
	background: var(--ph-green-bg);
	border: 1px solid rgba(70, 159, 16, 0.2);
	border-left: 0.25rem solid var(--ph-green);
	border-radius: 0 1rem 1rem 0;
	padding: clamp(2rem, 4vw, 2.5rem);
}

.ph-methodology-core__title {
	margin: 0 0 1rem;
	font-size: 2rem;
	font-weight: var(--ph-fw-extra);
	color: var(--ph-black);
	line-height: 1.25;
}

.ph-methodology-core__body {
	font-size: 1.125rem;
	color: var(--ph-black);
	line-height: 1.55;
}

.ph-methodology-core__body p {
	margin: 0 0 1rem;
	font-size: inherit;
	color: inherit;
}

.ph-methodology-core__body p:last-child {
	margin-bottom: 0;
}

/* ---- Key ideas (extends about) ---- */

.ph-methodology-key {
	margin-bottom: 3rem;
}

/* ---- Steps ---- */

.ph-methodology-steps {
	margin-bottom: 3rem;
}

.ph-methodology-steps__head {
	margin-bottom: 2rem;
}

.ph-methodology-steps__title {
	margin: 0 0 0.75rem;
	font-size: 2.5rem;
	font-weight: var(--ph-fw-extra);
	color: var(--ph-black);
	line-height: 1.2;
	letter-spacing: -0.02em;
}

.ph-methodology-steps__rule {
	display: block;
	width: 3rem;
	height: 0.25rem;
	background: var(--ph-green);
	border-radius: 0.125rem;
}

.ph-methodology-steps__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.25rem;
	counter-reset: none;
}

.ph-methodology-steps__item {
	display: flex;
	gap: 1rem;
	align-items: flex-start;
	background: var(--ph-white);
	border: 1px solid var(--ph-border);
	border-radius: 1rem;
	box-shadow: var(--ph-shadow-sm);
	padding: 1.5rem;
}

.ph-methodology-steps__num {
	flex-shrink: 0;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	background: var(--ph-green);
	color: var(--ph-white);
	font-size: 1.125rem;
	font-weight: var(--ph-fw-bold);
	display: flex;
	align-items: center;
	justify-content: center;
	line-height: 1;
}

.ph-methodology-steps__content {
	min-width: 0;
}

.ph-methodology-steps__item-title {
	margin: 0 0 0.375rem;
	font-size: 1.125rem;
	font-weight: var(--ph-fw-bold);
	color: var(--ph-black);
	line-height: 1.3;
}

.ph-methodology-steps__item-text {
	margin: 0;
	font-size: 1rem;
	color: var(--ph-gray);
	line-height: 1.5;
}

/* ---- Principles ---- */

.ph-methodology-principles {
	margin-bottom: 3rem;
}

.ph-methodology-principles__head {
	margin-bottom: 2rem;
}

.ph-methodology-principles__title {
	margin: 0 0 0.75rem;
	font-size: 2.5rem;
	font-weight: var(--ph-fw-extra);
	color: var(--ph-black);
	line-height: 1.2;
	letter-spacing: -0.02em;
}

.ph-methodology-principles__rule {
	display: block;
	width: 3rem;
	height: 0.25rem;
	background: var(--ph-green);
	border-radius: 0.125rem;
}

.ph-methodology-principles__grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.25rem;
}

.ph-methodology-principles__card {
	background: var(--ph-white);
	border: 1px solid var(--ph-border);
	border-radius: 1rem;
	box-shadow: var(--ph-shadow-sm);
	padding: 1.75rem;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.ph-methodology-principles__icon {
	width: 2.75rem;
	height: 2.75rem;
	border-radius: 0.75rem;
	background: var(--ph-green-bg);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ph-green);
	flex-shrink: 0;
}

.ph-methodology-principles__icon-inner {
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.25rem;
	line-height: 1;
}

.ph-methodology-principles__card-title {
	margin: 0;
	font-size: 1.25rem;
	font-weight: var(--ph-fw-bold);
	color: var(--ph-black);
	line-height: 1.3;
}

.ph-methodology-principles__card-text {
	margin: 0;
	font-size: 1rem;
	color: var(--ph-gray);
	line-height: 1.5;
}

/* ---- History / ecosystem / research ---- */

.ph-methodology-split {
	margin-bottom: 3rem;
}

.ph-methodology-rp {
	margin-bottom: 3rem;
}

.ph-methodology-rp__links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: auto;
}

.ph-methodology-faq {
	margin-bottom: 0;
}

.ph-methodology-bottom-cta {
	margin-top: 0;
}

/* ---- Responsive ---- */

@media (max-width: 64rem) {
	.ph-methodology-steps__list,
	.ph-methodology-principles__grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 40rem) {
	.ph-methodology-hero__title,
	.ph-methodology-intro__title,
	.ph-methodology-steps__title,
	.ph-methodology-principles__title {
		font-size: 2rem;
	}

	.ph-methodology-core__title {
		font-size: 1.625rem;
	}
}