/**
 * Block: «Как мы работаем» — этапы работы.
 *
 * Структура:
 *   .process          — секция с тёмным фоном
 *   .process__header  — заголовок + подзаголовок по центру
 *   .process__list    — горизонтальная сетка шагов (desktop) / вертикальная (mobile)
 *   .process__item    — карточка шага (иконка, номер, заголовок, текст, срок)
 *
 * Десктоп: 3 колонки в 2 ряда.
 * Планшет: 2-3 колонки.
 * Мобилка: 1 колонка, вертикальный таймлайн с точками-коннекторами.
 */

.process {
	padding-top: 4rem;
	padding-bottom: 4rem;
	background: linear-gradient(180deg, #0a0a0b 0%, #111113 100%);
	color: rgb(var(--color-primary));
}

/* ---------- Заголовок ---------- */
.process__header {
	max-width: 720px;
	margin: 0 auto 2.5rem;
	text-align: center;
}

.process__title {
	font-family: var(--font-serif);
	font-weight: 300;
	font-size: clamp(1.75rem, 4vw, 2.75rem);
	line-height: 1.15;
	margin: 0 0 0.75rem;
	text-wrap: balance;
}

.process__subtitle {
	margin: 0;
	font-size: 1rem;
	line-height: 1.6;
	color: rgb(var(--color-primary) / 0.7);
	text-wrap: balance;
}

/* ---------- Сетка шагов ---------- */
.process__list {
	list-style: none;
	margin: 0 0 2rem;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25rem;
	counter-reset: process;
}

@media (min-width: 768px) {
	.process__list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 1.25rem;
	}
}

@media (min-width: 1100px) {
	.process__list {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: 1.25rem;
		position: relative;
	}
}

/* ---------- Карточка шага ---------- */
.process__item {
	--process-card-radius: 12px;

	position: relative;
	z-index: 1;
	overflow: hidden;
	padding: 1.35rem 1rem;
	background: rgba(20, 20, 22, 0.7);
	border: 1px solid rgba(255, 255, 255, 0.06);
	border-radius: var(--process-card-radius);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	transition:
		opacity 900ms cubic-bezier(0.2, 0.7, 0.2, 1),
		transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.1),
		border-color 320ms ease,
		box-shadow 320ms ease;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.6rem;
}

.process .process__item.surface--reveal {
	transition:
		opacity 900ms cubic-bezier(0.2, 0.7, 0.2, 1),
		transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.1),
		border-color 320ms ease,
		box-shadow 320ms ease;
}

.process .process__item:hover {
	transform: translateY(-2px);
	border-color: rgba(198, 168, 122, 0.35);
	box-shadow: 0 12px 32px -12px rgba(198, 168, 122, 0.3);
}

.process__item--with-bg {
	min-height: 260px;
	padding: 1.6rem;
	background-color: rgba(8, 8, 9, 0.9);
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
	background-origin: border-box;
	background-clip: border-box;
	color: #fff;
	isolation: isolate;
	border: 0;
	box-shadow:
		0 0 0 1px rgba(255, 255, 255, 0.14),
		0 18px 42px rgb(0 0 0 / 0.36);
}

.process__item--with-bg::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 0;
	border-radius: inherit;
	background:
		linear-gradient(180deg, rgba(6, 6, 7, 0.18) 0%, rgba(6, 6, 7, 0.34) 52%, rgba(6, 6, 7, 0.52) 100%),
		linear-gradient(90deg, rgba(6, 6, 7, 0.2) 0%, rgba(6, 6, 7, 0.08) 58%, rgba(6, 6, 7, 0.18) 100%),
		radial-gradient(110% 85% at 18% 88%, rgba(6, 6, 7, 0.76) 0%, rgba(6, 6, 7, 0.48) 44%, transparent 76%),
		linear-gradient(180deg, transparent 0%, rgba(6, 6, 7, 0.52) 46%, rgba(6, 6, 7, 0.82) 100%);
	pointer-events: none;
}

.process__item--with-bg > * {
	position: relative;
	z-index: 2;
}

.process .process__item--with-bg:hover {
	box-shadow:
		0 0 0 1px rgba(255, 255, 255, 0.2),
		0 18px 42px rgb(0 0 0 / 0.42);
}

/* Иконка в круге */
.process__icon {
	width: 58px;
	height: 58px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: radial-gradient(
			120% 120% at 50% 100%,
			rgba(198, 168, 122, 0.3) 0%,
			rgba(198, 168, 122, 0.05) 60%,
			transparent 100%
		),
		rgba(15, 15, 16, 0.9);
	border: 1px solid rgba(198, 168, 122, 0.4);
	color: rgb(var(--color-accent));
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1),
	            0 4px 12px -4px rgba(198, 168, 122, 0.25);
}

/* Номер шага */
.process__number {
	position: absolute;
	top: 1.25rem;
	right: 1.25rem;
	z-index: 2;
	font-family: var(--font-serif);
	font-size: 2.25rem;
	font-weight: 300;
	line-height: 1;
	color: rgb(var(--color-accent) / 0.42);
	text-shadow: 0 1px 10px rgb(0 0 0 / 0.2);
	pointer-events: none;
}

.process__step-title {
	margin: 0;
	font-size: clamp(1.08rem, 0.98rem + 0.25vw, 1.2rem);
	font-weight: 500;
	letter-spacing: 0.01em;
	color: rgb(var(--color-primary));
}

.process__step-text {
	margin: 0;
	font-size: clamp(0.92rem, 0.88rem + 0.15vw, 0.98rem);
	line-height: 1.58;
	color: rgb(var(--color-primary) / 0.7);
}

.process__item--with-bg .process__step-title {
	color: #fff;
	text-shadow: 0 1px 16px rgba(0, 0, 0, 0.55);
}

.process__item--with-bg .process__step-text {
	color: rgba(255, 255, 255, 0.86);
	text-shadow: 0 1px 14px rgba(0, 0, 0, 0.5);
}

.process__item--with-bg .process__number {
	color: rgb(var(--color-accent) / 0.68);
	text-shadow: 0 1px 14px rgb(0 0 0 / 0.34);
}

.process__item--with-bg .process__term {
	color: #f0d09e;
	background: rgba(8, 8, 9, 0.62);
	border-color: rgba(240, 208, 158, 0.42);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.process__term {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	margin-top: auto;
	padding: 0.36rem 0.75rem;
	font-size: 0.82rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	color: rgb(var(--color-accent));
	background: rgba(198, 168, 122, 0.1);
	border: 1px solid rgba(198, 168, 122, 0.28);
	border-radius: 999px;
}

/* ---------- CTA под списком ---------- */
.process__cta {
	display: flex;
	justify-content: center;
	margin-top: 1rem;
}

/* ---------- Мобильный таймлайн ---------- */
@media (max-width: 767px) {
	.process {
		padding-top: 3rem;
		padding-bottom: 3rem;
	}

	.process__list {
		position: relative;
		padding-left: 1.5rem;
	}

	/* Вертикальная линия слева */
	.process__list::before {
		content: "";
		position: absolute;
		left: 1rem;
		top: 28px;
		bottom: 28px;
		width: 1px;
		background: linear-gradient(
			180deg,
			transparent 0%,
			rgba(198, 168, 122, 0.35) 8%,
			rgba(198, 168, 122, 0.35) 92%,
			transparent 100%
		);
	}

	.process__item {
		padding-left: 2rem;
	}

	.process__item--with-bg {
		min-height: 280px;
		padding: 1.45rem 1rem 1.45rem 2rem;
		background-position: center;
	}

	.process__item--with-bg::after {
		background:
			linear-gradient(180deg, rgba(6, 6, 7, 0.3) 0%, rgba(6, 6, 7, 0.48) 50%, rgba(6, 6, 7, 0.64) 100%),
			linear-gradient(90deg, rgba(6, 6, 7, 0.34) 0%, rgba(6, 6, 7, 0.16) 58%, rgba(6, 6, 7, 0.3) 100%),
			radial-gradient(115% 90% at 18% 88%, rgba(6, 6, 7, 0.84) 0%, rgba(6, 6, 7, 0.58) 46%, transparent 78%),
			linear-gradient(180deg, transparent 0%, rgba(6, 6, 7, 0.62) 42%, rgba(6, 6, 7, 0.88) 100%);
	}

	.process__icon {
		width: 44px;
		height: 44px;
		position: absolute;
		top: 1.25rem;
		left: -1rem;
		margin-left: 0;
		transform: translateX(-50%);
	}

	.process__icon svg {
		width: 18px;
		height: 18px;
	}

	.process__number {
		top: 1rem;
		right: 1rem;
		font-size: 1.75rem;
	}
}