.cvt-hero {
	position: relative;
	height: 100vh;
	height: 100dvh;
	overflow: hidden;
	background: #090a0c;
	display: flex;
	align-items: center;
}

/* MAIN background */
.cvt-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background: url('../img/cvt.jpg') center/cover no-repeat;
	opacity: 0.35;
	filter: blur(6px);
}

/* darker overlay */
.cvt-hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(120deg,
			rgba(0, 0, 0, 0.85),
			rgba(0, 0, 0, 0.55) 40%,
			rgba(0, 0, 0, 0.0));
	z-index: 1;
}

/* FLOW streaks - motion effect */


/* TEXT */
.cvt-hero__content {
	position: relative;
	z-index: 10;
	max-width: 900px;
}

.cvt-hero__content h1 {
	font-size: clamp(32px, 6vw, 60px);
	color: #fff;
	font-weight: 700;
	margin-bottom: 20px;
}

.cvt-hero__content p {
	font-size: 18px;
	color: #d4d4d4;
	line-height: 1.6;
	margin-bottom: 40px;
}

/* BUTTON */
.cvt-btn {
	padding: 14px 32px;
	background: var(--accent);
	border-radius: 10px;
	color: #fff;
	font-weight: 700;
	text-decoration: none;
	transition: 0.25s;
}

.cvt-btn:hover {
	background: var(--accent-light);
}

.cvt-warnings {
	padding: 140px 0;
	background: #090a0c;
	color: #fff;
}

.cvt-warnings .section-title {
	text-align: center;
	font-size: clamp(32px, 6vw, 48px);
	margin-bottom: 70px;
}

/* PANEL */
.warning-panel {
	width: 100%;
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 16px;
	padding: 10px 0;
	backdrop-filter: blur(10px);
	overflow: hidden;
	position: relative;
}

/* glowing top scanner line */
.warning-panel::before {
	content: "";
	position: absolute;
	top: 0;
	left: -50%;
	width: 200%;
	height: 2px;
	background: linear-gradient(90deg, transparent, var(--accent), transparent);
	animation: scanline 4s linear infinite;
}

@keyframes scanline {
	0% {
		transform: translateX(0);
		opacity: .4;
	}

	100% {
		transform: translateX(50%);
		opacity: .4;
	}
}

/* ROW */
.warn-row {
	display: grid;
	grid-template-columns: 24px 220px 1fr;
	padding: 22px 32px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.05);
	align-items: center;
}

.warn-row:last-child {
	border-bottom: none;
}

/* STATUS LIGHT */
.warn-light {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	display: inline-block;
	box-shadow: 0 0 12px currentColor;
}

.warn-light.caution {
	background: #ffcc33;
	color: #ffcc33;
	animation: blink1 2s infinite;
}

.warn-light.danger {
	background: #ff4444;
	color: #ff4444;
	animation: blink2 1.25s infinite;
}

/* blinking animations */
@keyframes blink1 {

	0%,
	100% {
		opacity: 1;
	}

	50% {
		opacity: .4;
	}
}

@keyframes blink2 {

	0%,
	100% {
		opacity: 1;
	}

	50% {
		opacity: .3;
	}
}

/* TEXT */
.warn-label {
	font-size: 18px;
	font-weight: 600;
}

.warn-desc {
	color: #bbbbbb;
	font-size: 15px;
}

/* MOBILE ADAPTATION */
@media (max-width: 700px) {


	.warning-panel {
		padding: 0;
		border-radius: 14px;
	}

	/* каждый ряд — вертикальная колонна */
	.warn-row {
		grid-template-columns: 1fr;
		padding: 18px 20px;
		text-align: center;
		gap: 12px;
	}

	/* индикатор по центру */
	.warn-light {
		margin: 0 auto;
		width: 18px;
		height: 18px;
	}

	/* метка и описание под индикатором */
	.warn-label {
		font-size: 17px;
	}

	.warn-desc {
		font-size: 14px;
		line-height: 1.5;
		max-width: 350px;
		margin: 0 auto;
	}

	/* панель полностью адаптируется */
	.warning-panel::before {
		height: 2px;
		/* тонкий сканер */
	}
}

.cvt-map {
	padding: 140px 0;
	background: #0b0c0d;
	color: #fff;
}

.cvt-map .section-title {
	text-align: center;
	font-size: 40px;
	margin-bottom: 80px;
}

/* vertical tech structure */
.cvt-map-list {
	display: flex;
	flex-direction: column;
	gap: 50px;
	max-width: 900px;
	margin: 0 auto;
}

/* ITEM */
.cvt-item {
	display: flex;
	align-items: flex-start;
	gap: 24px;
}

/* TECH LINE */
.cvt-line {
	width: 3px;
	height: 70px;
	background: var(--accent);
	border-radius: 3px;
	box-shadow: 0 0 12px var(--accent);
	opacity: 0.75;
}

/* CONTENT */
.cvt-content h3 {
	font-size: 22px;
	margin-bottom: 8px;
	font-weight: 600;
}

.cvt-content p {
	color: #c8c8c8;
	font-size: 15px;
	line-height: 1.7;
}

/* MOBILE */
@media (max-width: 700px) {

	.cvt-item {
		flex-direction: column;
		text-align: center;
		gap: 16px;
		align-items: center;
	}

	.cvt-line {
		width: 2px;
		height: 45px;
		margin: 0 auto;
	}

	.cvt-content h3 {
		font-size: 20px;
	}

	.cvt-content p {
		font-size: 14px;
		max-width: 320px;
		margin: 0 auto;
	}
}

.cvt-frame {
	padding: 140px 0;
	background: #090a0c;
	color: #fff;
}

.cvt-frame .section-title {
	text-align: center;
	font-size: 40px;
	margin-bottom: 80px;
}

/* FRAME WRAPPER */
.frame-wrapper {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	gap: 40px;
	align-items: center;
}

/* LEFT / RIGHT COLUMNS */
.frame-col {
	display: flex;
	flex-direction: column;
	gap: 35px;
}

.frame-item {
	background: rgba(255, 255, 255, 0.05);
	padding: 16px 22px;
	border-radius: 14px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	backdrop-filter: blur(8px);
	font-size: 17px;
	letter-spacing: 0.2px;
	position: relative;
}

/* lines connecting items to frame */
.frame-item::after {
	content: "";
	position: absolute;
	top: 50%;
	width: 60px;
	height: 1px;
	background: rgba(255, 255, 255, 0.2);
}

.frame-col.left .frame-item::after {
	right: -70px;
}

.frame-col.right .frame-item::after {
	left: -70px;
}

/* CENTER FRAME */
.frame-center {
	position: relative;
	width: 220px;
	height: 220px;
	z-index: 10;
}

.frame-core {
	width: 100%;
	height: 100%;
	border: 2px solid var(--accent);
	border-radius: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	font-size: 18px;
	font-weight: 700;
	padding: 20px;
	letter-spacing: 1px;
	background: rgba(255, 255, 255, 0.03);
	backdrop-filter: blur(6px);
}

/* glowing center pulse */
.frame-core::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 18px;
	border: 2px solid var(--accent);
	opacity: 0.6;
	animation: pulseFrame 3s infinite;
}

@keyframes pulseFrame {
	0% {
		transform: scale(1);
		opacity: .6;
	}

	50% {
		transform: scale(1.12);
		opacity: .25;
	}

	100% {
		transform: scale(1);
		opacity: .6;
	}
}

/* MOBILE */
@media (max-width: 850px) {
	.frame-wrapper {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.frame-item::after {
		display: none;
	}

	.frame-center {
		margin: 40px auto;
	}
}