/* ═══════════════════════════════════════════════════════════════
   صفحه‌های حوزه فعالیت — سیمان، پودر سنگ، نیروگاه خورشیدی، ساخت‌وساز
   موبایل‌فرست. رنگ تأکیدی هر صفحه از متغیر --area می‌آید.
   ═══════════════════════════════════════════════════════════════ */

.brzt-main--area { padding-block: 0; }

.brzt-area {
	--a: var(--area, #e8791a);
	--a-soft: color-mix(in srgb, var(--a) 12%, transparent);
}

/* در مرورگرهایی که color-mix ندارند، جایگزین ساده */
@supports not (color: color-mix(in srgb, red 50%, blue)) {
	.brzt-area { --a-soft: rgba(232, 121, 26, .1); }
}

/* ---------- ظهور با اسکرول ---------- */

.brzt-area .rv {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1);
	transition-delay: var(--d, 0s);
}

.brzt-area .rv.in { opacity: 1; transform: none; }

/* ---------- عناصر مشترک ---------- */

.brzt-asec { padding-block: 44px; }

.brzt-aeyebrow {
	display: flex;
	align-items: center;
	gap: 9px;
	margin-bottom: 14px;
	font-size: .78rem;
	font-weight: 700;
	color: var(--a);
}

.brzt-aeyebrow::before {
	content: "";
	width: 7px;
	height: 7px;
	flex: 0 0 auto;
	background: var(--a);
}

.brzt-ah2 {
	margin: 0 0 20px;
	font-size: clamp(1.35rem, 4.4vw, 2.1rem);
	font-weight: 900;
	line-height: 1.5;
	color: var(--brz-ink);
}

.brzt-abtn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	border: 1px solid transparent;
	border-radius: 12px;
	font-size: .95rem;
	font-weight: 700;
	text-decoration: none;
	transition: background .24s, color .24s, border-color .24s, transform .24s, box-shadow .24s;
}

.brzt-abtn--solid { background: var(--a); color: #fff; }

.brzt-abtn--solid:hover {
	color: #fff;
	transform: translateY(-2px);
	box-shadow: 0 12px 28px rgba(0, 0, 0, .22);
	filter: brightness(1.08);
}

.brzt-abtn--ghost {
	border-color: rgba(255, 255, 255, .4);
	background: rgba(255, 255, 255, .08);
	color: #fff;
	backdrop-filter: blur(6px);
}

.brzt-abtn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .18); color: #fff; }

/* ═══════════ هدر صفحه ═══════════ */

.brzt-ahero {
	position: relative;
	display: flex;
	align-items: flex-end;
	min-height: 64vh;
	overflow: hidden;
	background: var(--brz-navy);
	isolation: isolate;
}

.brzt-ahero__bg {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: -2;
	animation: brzt-ahero-zoom 18s ease-out both;
}

@keyframes brzt-ahero-zoom {
	from { transform: scale(1.001) }
	to   { transform: scale(1.07) }
}

.brzt-ahero__scrim {
	position: absolute;
	inset: 0;
	z-index: -1;
	background:
		linear-gradient(to top, rgba(6, 14, 26, .94) 0%, rgba(6, 14, 26, .5) 45%, rgba(6, 14, 26, .2) 100%),
		linear-gradient(to left, rgba(6, 14, 26, .5), transparent 65%);
}

/* شبکه مهندسی محو، امضای بصری این صفحه‌ها */
.brzt-ahero__grid {
	position: absolute;
	inset: 0;
	z-index: -1;
	opacity: .16;
	background-image:
		linear-gradient(rgba(255, 255, 255, .5) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, .5) 1px, transparent 1px);
	background-size: 64px 64px;
	mask-image: radial-gradient(70% 60% at 80% 20%, #000, transparent 75%);
	-webkit-mask-image: radial-gradient(70% 60% at 80% 20%, #000, transparent 75%);
}

.brzt-ahero__in { padding-block: 40px 46px; }

.brzt-ahero__badge {
	display: grid;
	place-items: center;
	width: 58px;
	height: 58px;
	margin-bottom: 18px;
	border: 1px solid rgba(255, 255, 255, .22);
	border-radius: 18px;
	background: var(--a);
	color: #fff;
	box-shadow: 0 14px 34px rgba(0, 0, 0, .34);
}

.brzt-ahero__kicker {
	display: inline-block;
	margin-bottom: 14px;
	padding: 6px 15px;
	border: 1px solid rgba(255, 255, 255, .24);
	border-radius: 999px;
	background: rgba(255, 255, 255, .08);
	backdrop-filter: blur(6px);
	font-size: .78rem;
	font-weight: 600;
	color: #fff;
}

.brzt-ahero__title {
	margin: 0;
	font-size: clamp(1.9rem, 7vw, 3.6rem);
	font-weight: 900;
	line-height: 1.28;
	color: #fff;
	text-shadow: 0 2px 24px rgba(0, 0, 0, .4);
}

.brzt-ahero__lead {
	max-width: 62ch;
	margin: 16px 0 0;
	font-size: clamp(.95rem, 2.4vw, 1.1rem);
	font-weight: 300;
	line-height: 2.1;
	color: rgba(255, 255, 255, .88);
}

.brzt-ahero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ═══════════ نوار آمار ═══════════ */

.brzt-astats { background: var(--brz-navy); }

.brzt-astats__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.brzt-astat {
	padding: 24px 16px;
	border-inline-start: 1px solid rgba(255, 255, 255, .1);
	border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.brzt-astat b {
	display: block;
	font-size: clamp(1.5rem, 5vw, 2.2rem);
	font-weight: 900;
	line-height: 1.2;
	color: #fff;
}

.brzt-astat b u {
	text-decoration: none;
	margin-inline-start: 6px;
	font-size: .42em;
	font-weight: 700;
	color: var(--a);
	vertical-align: .4em;
}

.brzt-astat span {
	display: block;
	margin-top: 6px;
	font-size: .84rem;
	color: rgba(255, 255, 255, .62);
	line-height: 1.8;
}

/* ═══════════ معرفی ═══════════ */

.brzt-aintro__grid { display: grid; gap: 28px; }

.brzt-aintro__media {
	position: relative;
	aspect-ratio: 16/11;
	border-radius: 18px;
	overflow: hidden;
	background: var(--brz-bg-soft);
	box-shadow: 0 18px 44px rgba(17, 18, 20, .14);
}

.brzt-aintro__media img { width: 100%; height: 100%; object-fit: cover; }

.brzt-aintro__line {
	position: absolute;
	top: 0;
	inset-inline-end: 0;
	width: 4px;
	height: 100%;
	background: linear-gradient(180deg, var(--a), transparent 72%);
}

.brzt-aintro__note {
	position: absolute;
	bottom: 0;
	inset-inline-start: 0;
	padding: 10px 18px;
	background: var(--a);
	color: #fff;
	font-size: .82rem;
	font-weight: 700;
}

.brzt-aquote {
	margin: 22px 0 0;
	padding: 20px 22px;
	border-inline-start: 3px solid var(--a);
	border-radius: 0 14px 14px 0;
	background: var(--a-soft);
	font-size: 1rem;
	line-height: 2.05;
	color: var(--brz-ink);
}

/* ═══════════ ویژگی‌ها ═══════════ */

.brzt-afeat { background: var(--brz-bg-soft); }

.brzt-afeat__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}

.brzt-afeat__card {
	padding: 24px 22px;
	border: 1px solid var(--brz-line);
	border-radius: 18px;
	background: #fff;
	transition: transform .35s cubic-bezier(.2, .7, .3, 1), box-shadow .35s, border-color .35s;
}

.brzt-afeat__card:hover {
	transform: translateY(-6px);
	border-color: var(--a);
	box-shadow: 0 18px 40px rgba(17, 18, 20, .12);
}

.brzt-afeat__ico {
	display: grid;
	place-items: center;
	width: 50px;
	height: 50px;
	margin-bottom: 14px;
	border-radius: 15px;
	background: var(--a-soft);
	color: var(--a);
}

.brzt-afeat__card h3 { margin: 0 0 8px; font-size: 1.06rem; font-weight: 800; line-height: 1.65; }
.brzt-afeat__card p { margin: 0; font-size: .89rem; color: var(--brz-muted); line-height: 2; }

/* ═══════════ جدول مشخصات ═══════════ */

.brzt-atable__wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--brz-line); }

.brzt-atable { width: 100%; border-collapse: collapse; background: #fff; font-size: .9rem; }

.brzt-atable thead th {
	padding: 14px 16px;
	background: var(--brz-navy);
	color: #fff;
	font-size: .84rem;
	font-weight: 700;
	text-align: start;
	white-space: nowrap;
}

.brzt-atable tbody th,
.brzt-atable tbody td {
	padding: 13px 16px;
	border-top: 1px solid var(--brz-line);
	text-align: start;
	vertical-align: middle;
}

.brzt-atable tbody th { font-weight: 700; color: var(--brz-ink); }
.brzt-atable tbody td { color: var(--brz-body); }
.brzt-atable tbody tr:nth-child(even) { background: var(--brz-bg-soft); }
.brzt-atable tbody tr:hover { background: var(--a-soft); }

/* ═══════════ مراحل کار ═══════════ */

.brzt-aflow__list {
	position: relative;
	margin: 8px 0 0;
	padding: 0;
	list-style: none;
}

.brzt-aflow__list::before {
	content: "";
	position: absolute;
	inset-inline-start: 21px;
	top: 10px;
	bottom: 10px;
	width: 1px;
	background: linear-gradient(180deg, transparent, var(--brz-line) 10%, var(--brz-line) 90%, transparent);
}

.brzt-aflow__list > li {
	position: relative;
	display: flex;
	gap: 18px;
	padding-bottom: 30px;
}

.brzt-aflow__list > li:last-child { padding-bottom: 0; }

.brzt-aflow__num {
	position: relative;
	z-index: 1;
	display: grid;
	place-items: center;
	width: 43px;
	height: 43px;
	flex: 0 0 43px;
	border-radius: 50%;
	background: var(--a);
	color: #fff;
	font-size: 1rem;
	font-weight: 800;
	box-shadow: 0 0 0 5px #fff;
}

.brzt-aflow__list h3 { margin: 8px 0 6px; font-size: 1.04rem; font-weight: 800; line-height: 1.6; }
.brzt-aflow__list p { margin: 0; font-size: .89rem; color: var(--brz-muted); line-height: 2.05; }

/* ═══════════ گالری ═══════════ */

.brzt-agal { background: var(--brz-bg-soft); }

.brzt-agal__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 14px;
}

.brzt-agal__item {
	position: relative;
	margin: 0;
	aspect-ratio: 4/3;
	border-radius: 16px;
	overflow: hidden;
	background: #e9edf1;
}

.brzt-agal__item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .6s cubic-bezier(.2, .7, .3, 1);
}

.brzt-agal__item:hover img { transform: scale(1.06); }

.brzt-agal__item figcaption {
	position: absolute;
	inset-inline: 0;
	bottom: 0;
	padding: 26px 16px 13px;
	background: linear-gradient(to top, rgba(6, 14, 26, .9), transparent);
	color: #fff;
	font-size: .85rem;
	font-weight: 600;
}

/* ═══════════ متن آزاد ═══════════ */

.brzt-abody__in { max-width: 780px; font-size: 1rem; line-height: 2.15; }
.brzt-abody__in h2, .brzt-abody__in h3 { margin-top: 1.7em; }
.brzt-abody__in img { border-radius: 14px; margin-block: 1.4em; }

/* ═══════════ پرسش‌ها ═══════════ */

.brzt-afaq__list { display: flex; flex-direction: column; gap: 10px; }

.brzt-afaq__item {
	border: 1px solid var(--brz-line);
	border-radius: 14px;
	background: #fff;
	overflow: hidden;
	transition: border-color .25s;
}

.brzt-afaq__item[open] { border-color: var(--a); }

.brzt-afaq__item summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding: 16px 18px;
	cursor: pointer;
	font-size: .96rem;
	font-weight: 700;
	color: var(--brz-ink);
	list-style: none;
}

.brzt-afaq__item summary::-webkit-details-marker { display: none; }

.brzt-afaq__item summary i {
	position: relative;
	flex: 0 0 auto;
	width: 24px;
	height: 24px;
	border-radius: 50%;
	background: var(--a-soft);
}

.brzt-afaq__item summary i::before,
.brzt-afaq__item summary i::after {
	content: "";
	position: absolute;
	inset-inline-start: 50%;
	top: 50%;
	width: 11px;
	height: 2px;
	border-radius: 2px;
	background: var(--a);
	transform: translate(50%, -50%);
	transition: transform .25s, opacity .25s;
}

.brzt-afaq__item summary i::after { transform: translate(50%, -50%) rotate(90deg); }
.brzt-afaq__item[open] summary i::after { transform: translate(50%, -50%) rotate(0); opacity: 0; }

.brzt-afaq__a { padding: 0 18px 18px; }
.brzt-afaq__a p { margin: 0 0 .9em; font-size: .9rem; color: var(--brz-muted); line-height: 2.1; }
.brzt-afaq__a p:last-child { margin-bottom: 0; }

/* ═══════════ فراخوان ═══════════ */

.brzt-acta {
	position: relative;
	overflow: hidden;
	background: var(--brz-navy);
}

.brzt-acta::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(70% 120% at 82% 0%, var(--a), transparent 62%);
	opacity: .3;
}

.brzt-acta__in {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 22px;
	padding-block: 40px;
}

.brzt-acta h2 {
	margin: 0;
	max-width: 34ch;
	font-size: clamp(1.3rem, 4vw, 2rem);
	font-weight: 900;
	line-height: 1.55;
	color: #fff;
}

.brzt-acta p { margin: 10px 0 0; color: rgba(255, 255, 255, .74); font-weight: 300; }

/* ═══════════════════════════════════════════════
   بزرگ‌تر از موبایل
   ═══════════════════════════════════════════════ */

@media (min-width: 600px) {

	.brzt-asec { padding-block: 56px; }
	.brzt-afeat__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.brzt-agal__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.brzt-astats__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
	.brzt-astat:nth-child(-n+4) { border-bottom: 0; }
	.brzt-ahero__in { padding-block: 56px 60px; }
}

@media (min-width: 900px) {

	.brzt-asec { padding-block: 76px; }
	.brzt-ahero { min-height: 72vh; align-items: center; }
	.brzt-ahero__in { padding-block: 90px; }

	.brzt-aintro__grid {
		grid-template-columns: .88fr 1fr;
		gap: 56px;
		align-items: start;
	}

	.brzt-aintro__media { position: sticky; top: 96px; aspect-ratio: 4/5; }

	.brzt-afeat__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
	.brzt-agal__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }

	.brzt-acta__in {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
		gap: 40px;
		padding-block: 62px;
	}

	.brzt-atable { font-size: .94rem; }
}

/* ═══════════ کاهش حرکت ═══════════ */

@media (prefers-reduced-motion: reduce) {

	.brzt-area .rv { opacity: 1; transform: none; transition: none; }
	.brzt-ahero__bg { animation: none; }
	.brzt-afeat__card,
	.brzt-agal__item img { transition: none; }
}

/* ═══════════ چاپ ═══════════ */

@media print {

	.brzt-ahero { min-height: auto; }
	.brzt-ahero__bg, .brzt-ahero__grid, .brzt-acta { display: none; }
	.brzt-area .rv { opacity: 1; transform: none; }
}

/* برچسب متنی جای شماره مرحله — مثلا سال */
.brzt-aflow__num.is-label {
	width: auto;
	min-width: 62px;
	padding: 0 12px;
	border-radius: 999px;
	font-size: .88rem;
	font-variant-numeric: tabular-nums;
}

@media (min-width: 900px) {
	.brzt-aflow__num.is-label { min-width: 72px; font-size: .95rem; }
}
