.lumen {
  --bg: #060608;
  --bg2: #060608;
  --bg3: #060608;
  --border: rgba(255, 255, 255, 0.08);
  --text: #d4cfc8;
  --text-dim: #93909c;
  --amber: #6fa8ff;
  --amber-dim: #3d6fc4;
  --amber-glow: rgba(111, 168, 255, 0.15);
  --lavender: #b8a8d4;
  --warm: #f0e8d8;
  --radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", sans-serif;
  font-weight: 400;
  cursor: none;
  overflow-x: hidden;
  position: relative;
}


.lumen *, .lumen *::before, .lumen *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
.lumen html {
	scroll-behavior: smooth;
	font-size: 16px;
}
.lumen {
	background: var(--bg);
	color: var(--text);
	font-family: "Noto Sans KR", sans-serif;
	font-weight: 400;
	overflow-x: hidden;
}


.lumen #cur {
	position: fixed;
	width: 6px;
	height: 6px;
	background: var(--amber);
	border-radius: 50%;
	pointer-events: none;
	z-index: 10000;
	transform: translate(-50%, -50%);
	transition: width 0.15s, height 0.15s, background 0.15s;
}
.lumen #cur-ring {
	position: fixed;
	width: 28px;
	height: 28px;
	border: 1px solid var(--amber);
	border-radius: 50%;
	pointer-events: none;
	z-index: 9999;
	transform: translate(-50%, -50%);
	transition: width 0.25s, height 0.25s, opacity 0.25s, border-color 0.25s;
	opacity: 0.35;
}
.lumen:has(a:hover, button:hover) #cur {
	width: 10px;
	height: 10px;
	background: var(--amber);
}
.lumen:has(a:hover, button:hover) #cur-ring {
	width: 44px;
	height: 44px;
	opacity: 0.6;
}

.lumen nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 500;
	padding: 22px 48px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: linear-gradient(
		to bottom,
		rgba(6, 6, 8, 0.92) 0%,
		transparent 100%
	);
	backdrop-filter: blur(12px);
}
.lumen .nav-logo {
	display: flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
}
.lumen .nav-wordmark {
	height: 34px;
	width: auto;
	display: block;
}
.lumen .nav-links {
	display: flex;
	gap: 36px;
	list-style: none;
}
.lumen .nav-links a {
	color: var(--text-dim);
	text-decoration: none;
	font-size: 14px;
	letter-spacing: 0;
	transition: color 0.2s;
}
.lumen .nav-links a:hover {
	color: var(--amber);
}
.lumen .nav-cta {
	padding: 10px 22px;
	border: 1px solid var(--amber);
	color: var(--amber);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 14px;
	letter-spacing: 0;
	background: transparent;
	cursor: none;
	transition: background 0.2s, color 0.2s;
	border-radius: var(--radius);
}
.lumen .nav-cta:hover {
	background: var(--amber);
	color: var(--bg);
}
.lumen .hamburger {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: none;
	padding: 4px;
	z-index: 600;
	position: relative;
}
.lumen .hamburger span {
	width: 24px;
	height: 1px;
	background: var(--text);
	display: block;
	transition: all 0.3s ease;
}

.lumen .mobile-nav {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 400;
	background: rgba(6, 6, 8, 0.97);
	backdrop-filter: blur(16px);
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 8px;
	opacity: 0;
	transition: opacity 0.3s;
}
.lumen .mobile-nav.open {
	opacity: 1;
}
.lumen .mobile-nav a {
	font-family: "Noto Sans KR", sans-serif;
	font-size: clamp(36px, 8vw, 56px);
	font-weight: 300;
	letter-spacing: 0.04em;
	color: var(--warm);
	text-decoration: none;
	transition: color 0.2s;
	padding: 8px 0;
}
.lumen .mobile-nav a:hover {
	color: var(--amber);
}
.lumen .mobile-nav .mobile-cta {
	margin-top: 32px;
	padding: 14px 40px;
	border: 1px solid var(--amber);
	color: var(--amber);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 12px;
	letter-spacing: 0.02em;
	text-transform: uppercase;
}
.lumen .mobile-nav .mobile-cta:hover {
	background: var(--amber);
	color: var(--bg);
}

.lumen .hero {
	min-height: 86svh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: 96px 24px 36px;
	position: relative;
	overflow: hidden;
	background: none;   /* cancels a same-named legacy rule elsewhere in the app */
}

.lumen .hero-glow {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -55%);
	width: 700px;
	height: 700px;
	background: radial-gradient(
		ellipse at center,
		rgba(111, 168, 255, 0.18) 0%,
		rgba(90, 150, 255, 0.06) 35%,
		transparent 70%
	);
	border-radius: 50%;
	pointer-events: none;
	z-index: 1;
	animation: pulse-glow 4s ease-in-out infinite alternate;
}
@keyframes pulse-glow {
	from {
		opacity: 0.7;
		transform: translate(-50%, -55%) scale(1);
	}
	to {
		opacity: 1;
		transform: translate(-50%, -55%) scale(1.08);
	}
}

.lumen .hero-ring {
	position: absolute;
	top: 60%;
	left: 50%;
	width: 340px;
	height: 340px;
	border: 1px solid rgba(111, 168, 255, 0.1);
	border-radius: 50%;
	transform: translate(-50%, -50%);
	animation: rotate-ring 30s linear infinite;
	pointer-events: none;
	z-index: 1;
}
.lumen .hero-ring::after {
	content: "";
	position: absolute;
	top: -4px;
	left: 50%;
	width: 8px;
	height: 8px;
	background: var(--amber);
	border-radius: 50%;
	transform: translateX(-50%);
}
.lumen .hero-ring-2 {
	position: absolute;
	top: 60%;
	left: 50%;
	width: 520px;
	height: 520px;
	border: 1px dashed rgba(111, 168, 255, 0.05);
	border-radius: 50%;
	transform: translate(-50%, -50%);
	animation: rotate-ring 60s linear infinite reverse;
	pointer-events: none;
	z-index: 1;
}
@keyframes rotate-ring {
	to {
		transform: translate(-50%, -50%) rotate(360deg);
	}
}

.lumen .particles {
	position: absolute;
	inset: 0;
	pointer-events: none;
	overflow: hidden;
}
.lumen .particle {
	position: absolute;
	width: 2px;
	height: 2px;
	background: var(--amber);
	border-radius: 50%;
	opacity: 0;
	animation: float-particle linear infinite;
}
@keyframes float-particle {
	0% {
		opacity: 0;
		transform: translateY(0) scale(0);
	}
	10% {
		opacity: 0.6;
		transform: translateY(-10px) scale(1);
	}
	90% {
		opacity: 0.3;
	}
	100% {
		opacity: 0;
		transform: translateY(-200px) scale(0.5);
	}
}

.lumen .eyebrow {
	font-size: 11px;
	letter-spacing: 0.25em;
	text-transform: uppercase;
	color: var(--amber);
	margin-bottom: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 14px;
	position: relative;
	z-index: 2;
	opacity: 0;
	animation: fade-up 0.8s 0.2s forwards;
}
.lumen .eyebrow::before, .lumen .eyebrow::after {
	content: "";
	width: 28px;
	height: 1px;
	background: var(--amber-dim);
}

.lumen .hero h1 {
	font-family: "Noto Sans KR", sans-serif;
	font-size: clamp(40px, 5.6vw, 80px);
	font-weight: 600;
	line-height: 1.18;
	color: var(--warm);
	letter-spacing: -0.01em;
	margin-bottom: 22px;
	position: relative;
	z-index: 2;
	opacity: 0;
	animation: fade-up 0.9s 0.35s forwards;
}
.lumen .hero h1 em {
	font-style: normal;
	font-weight: 700;
	color: var(--amber);
}

.lumen .hero p {
	max-width: 560px;
	font-size: 17px;
	line-height: 1.7;
	color: var(--text-dim);
	margin: 0 auto 34px;
	position: relative;
	z-index: 2;
	opacity: 0;
	animation: fade-up 0.9s 0.5s forwards;
}

.lumen .signup {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	width: 100%;
	max-width: 660px;
	margin: 0 auto;
	position: relative;
	z-index: 2;
	opacity: 0;
	animation: fade-up 0.9s 0.65s forwards;
}
.lumen .signup-row {
	display: flex;
	width: 100%;
	gap: 0;
	height: 58px;
}
.lumen .signup input[type="email"], .lumen .signup input[type="text"] {
	flex: 1;
	min-width: 0;
	height: 58px;
	padding: 0 22px;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-right: none;
	border-radius: var(--radius) 0 0 var(--radius);
	color: var(--warm);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 16px;
	line-height: 58px;
	outline: none;
	transition: border-color 0.25s, background 0.25s;
}
.lumen .signup input::placeholder {
	color: var(--text-dim);
}
.lumen .signup input:focus {
	border-color: rgba(111, 168, 255, 0.6);
	background: rgba(111, 168, 255, 0.05);
}
.lumen .signup button[type="submit"] {
	width: 176px;
	flex: none;
	height: 58px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 20px;
	background: var(--amber);
	border: 1px solid var(--amber);
	color: var(--bg);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 15px;
	font-weight: 600;
	letter-spacing: 0;
	cursor: none;
	border-radius: 0 var(--radius) var(--radius) 0;
	white-space: nowrap;
	transition: background 0.2s, opacity 0.2s;
}
.lumen .signup button[type="submit"]:hover {
	background: #a8d0ff;
	border-color: #a8d0ff;
}
.lumen .email-note {
	font-size: 14px;
	color: var(--text-dim);
	letter-spacing: 0;
}

.lumen .scroll-hint {
	position: absolute;
	bottom: 16px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	color: var(--text-dim);
	font-size: 10px;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	opacity: 0;
	animation: fade-up 0.6s 1.2s forwards;
	z-index: 2;
}
.lumen .scroll-line {
	width: 1px;
	height: 30px;
	background: linear-gradient(to bottom, var(--amber-dim), transparent);
	animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
	0%,
	100% {
		opacity: 0.4;
		transform: scaleY(1);
	}
	50% {
		opacity: 1;
		transform: scaleY(0.6);
	}
}

.lumen section {
	padding: 100px 24px;
}
.lumen .container {
	max-width: 1140px;
	margin: 0 auto;
}
.lumen .section-label {
	font-size: 12px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--amber);
	margin-bottom: 16px;
	display: flex;
	align-items: center;
	gap: 12px;
}
.lumen .section-label::before {
	content: "";
	width: 20px;
	height: 1px;
	background: var(--amber-dim);
}
.lumen .section-title {
	font-family: "Noto Sans KR", sans-serif;
	font-size: clamp(32px, 3.6vw, 56px);
	font-weight: 600;
	line-height: 1.22;
	letter-spacing: -0.005em;
	color: var(--warm);
	margin-bottom: 36px;
}
.lumen .section-title em {
	font-style: normal;
	font-weight: 700;
	color: var(--amber);
}

.lumen .reveal {
	opacity: 0;
	transform: translateY(32px);
	transition: opacity 0.7s, transform 0.7s;
}
.lumen .reveal.visible {
	opacity: 1;
	transform: translateY(0);
}
.lumen .reveal-left {
	opacity: 0;
	transform: translateX(-32px);
	transition: opacity 0.7s, transform 0.7s;
}
.lumen .reveal-left.visible {
	opacity: 1;
	transform: translateX(0);
}
.lumen .reveal-scale {
	opacity: 0;
	transform: scale(0.95);
	transition: opacity 0.7s, transform 0.7s;
}
.lumen .reveal-scale.visible {
	opacity: 1;
	transform: scale(1);
}

@keyframes fade-up {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.lumen .preview-section {
	background: var(--bg2);
	overflow: hidden;
}
.lumen .preview-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2px;
	border: 1px solid var(--border);
}
.lumen .preview-card {
	padding: 40px;
	background: var(--bg3);
	border-right: 1px solid var(--border);
	position: relative;
	overflow: hidden;
}
.lumen .preview-card:last-child {
	border-right: none;
}
.lumen .preview-card::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(
		ellipse at 20% 20%,
		var(--amber-glow),
		transparent 60%
	);
	opacity: 0;
	transition: opacity 0.4s;
}
.lumen .preview-card:hover::before {
	opacity: 1;
}
.lumen .preview-num {
	font-size: 12px;
	letter-spacing: 0.1em;
	color: var(--text-dim);
	margin-bottom: 24px;
	font-family: "Noto Sans KR", sans-serif;
}
.lumen .preview-icon {
	width: 48px;
	height: 48px;
	margin-bottom: 24px;
	display: flex;
	align-items: center;
	justify-content: center;
}
.lumen .preview-icon svg {
	width: 32px;
	height: 32px;
	stroke: var(--amber);
	fill: none;
	stroke-width: 1.2;
}
.lumen .preview-card h3 {
	font-family: "Noto Sans KR", sans-serif;
	font-size: 19px;
	font-weight: 700;
	color: var(--warm);
	margin-bottom: 12px;
	letter-spacing: 0;
}
.lumen .preview-card p {
	font-size: 15px;
	line-height: 1.7;
	color: var(--text-dim);
}

.lumen .features-section {
	background: var(--bg);
}
.lumen .features-list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	border: 1px solid var(--border);
}
.lumen .feat {
	padding: 36px;
	background: var(--bg2);
	border-right: 1px solid var(--border);
	transition: background 0.3s;
}
.lumen .feat:nth-child(3n) {
	border-right: none;
}
.lumen .feat:hover {
	background: var(--bg3);
}
.lumen .feat-tag {
	display: inline-block;
	padding: 3px 10px;
	border: 1px solid var(--border);
	font-size: 10px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--text-dim);
	margin-bottom: 20px;
	border-radius: 2px;
}
.lumen .feat h3 {
	font-family: "Noto Sans KR", sans-serif;
	font-size: 18px;
	font-weight: 700;
	color: var(--warm);
	margin-bottom: 10px;
}
.lumen .feat p {
	font-size: 14px;
	line-height: 1.7;
	color: var(--text-dim);
}
.lumen .feat-icon {
	font-size: 24px;
	margin-bottom: 16px;
	line-height: 1;
}

.lumen .specs-section {
	background: var(--bg2);
}
.lumen .specs-layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 64px;
	align-items: start;
}
.lumen .specs-text p {
	font-size: 16px;
	line-height: 1.75;
	color: var(--text-dim);
	margin-bottom: 24px;
}
.lumen .specs-text .specs-cta {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-size: 14px;
	font-weight: 600;
	letter-spacing: 0;
	color: var(--amber);
	text-decoration: none;
	transition: gap 0.2s;
}
.lumen .specs-text .specs-cta:hover {
	gap: 16px;
}
.lumen .specs-text .specs-cta::after {
	content: "\2192";
}
.lumen .specs-table {
	border: 1px solid var(--border);
}
.lumen .spec-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 16px 24px;
	border-bottom: 1px solid var(--border);
	font-size: 14px;
	letter-spacing: 0;
	transition: background 0.2s;
}
.lumen .spec-row:last-child {
	border-bottom: none;
}
.lumen .spec-row:hover {
	background: rgba(111, 168, 255, 0.03);
}
.lumen .spec-key {
	color: var(--text-dim);
}
.lumen .spec-val {
	color: var(--warm);
	font-weight: 400;
}
.lumen .spec-badge {
	padding: 2px 8px;
	border: 1px solid var(--amber);
	border-radius: 2px;
	color: var(--amber);
	font-size: 9px;
	letter-spacing: 0.02em;
	text-transform: uppercase;
}

.lumen .cta-section {
	background: var(--bg);
	text-align: center;
	padding: 128px 24px;
	position: relative;
	overflow: hidden;
}
.lumen .cta-glow {
	position: absolute;
	bottom: -200px;
	left: 50%;
	transform: translateX(-50%);
	width: 800px;
	height: 600px;
	background: radial-gradient(
		ellipse at center bottom,
		rgba(111, 168, 255, 0.14) 0%,
		transparent 65%
	);
	pointer-events: none;
}
.lumen .cta-section .section-title {
	margin-bottom: 20px;
}
.lumen .cta-section > .container > p {
	max-width: 520px;
	margin: 0 auto 40px;
	font-size: 16px;
	line-height: 1.7;
	color: var(--text-dim);
}
.lumen .cta-form {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	width: 100%;
	max-width: 660px;
	margin: 0 auto;
}
.lumen .cta-form .signup-row {
	width: 100%;
	height: 58px;
}
.lumen .cta-form input {
	flex: 1;
	min-width: 0;
	height: 58px;
	padding: 0 22px;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-right: none;
	border-radius: var(--radius) 0 0 var(--radius);
	color: var(--warm);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 16px;
	line-height: 58px;
	outline: none;
	transition: border-color 0.25s;
}
.lumen .cta-form input::placeholder {
	color: var(--text-dim);
}
.lumen .cta-form input:focus {
	border-color: rgba(111, 168, 255, 0.6);
	background: rgba(111, 168, 255, 0.05);
}
.lumen .cta-form button[type="submit"] {
	width: 176px;
	flex: none;
	height: 58px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 20px;
	background: var(--amber);
	border: 1px solid var(--amber);
	color: var(--bg);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 15px;
	font-weight: 600;
	letter-spacing: 0;
	cursor: none;
	border-radius: 0 var(--radius) var(--radius) 0;
	white-space: nowrap;
	transition: background 0.2s;
}
.lumen .cta-form button[type="submit"]:hover {
	background: #a8d0ff;
}
.lumen .cta-note {
	font-size: 14px;
	color: var(--text-dim);
	letter-spacing: 0;
}
.lumen .counter-badge {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 10px 22px;
	border: 1px solid var(--border);
	border-radius: 24px;
	font-size: 12px;
	color: var(--text-dim);
	margin-bottom: 48px;
}
.lumen .counter-dot {
	width: 6px;
	height: 6px;
	background: #4caf50;
	border-radius: 50%;
	animation: blink 2s infinite;
}
@keyframes blink {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.3;
	}
}
.lumen .counter-badge strong {
	color: var(--amber);
	font-family: "Noto Sans KR", sans-serif;
	font-size: 15px;
}

/* the footer element carries the "lumen" class itself (<footer class="lumen">) rather than sitting
   inside a .lumen wrapper, so ".lumen footer" (descendant combinator) never matched it - it was
   rendering as an unstyled block the whole time (no flex, no padding, no gap), which is why it
   looked cramped/cut off once the logo became a taller image. "footer.lumen" matches the element. */
footer.lumen {
	border-top: 1px solid var(--border);
	padding: 56px 48px 28px;
	background: var(--bg2);
}
.lumen .footer-logo img {
	height: 26px;
	width: auto;
	display: block;
}
footer.lumen .footer-top {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 48px;
	flex-wrap: wrap;
}
footer.lumen .footer-cols {
	display: flex;
	gap: 64px;
	flex-wrap: wrap;
}
footer.lumen .footer-col {
	display: flex;
	flex-direction: column;
	gap: 11px;
}
footer.lumen .footer-col b {
	font-size: 13px;
	color: var(--warm);
	font-weight: 700;
	margin-bottom: 3px;
}
footer.lumen .footer-col a {
	font-size: 13px;
	color: var(--text-dim);
	text-decoration: none;
	letter-spacing: 0;
	transition: color 0.2s;
}
footer.lumen .footer-col a:hover {
	color: var(--amber);
}
footer.lumen .footer-bottom {
	margin-top: 44px;
	padding-top: 22px;
	border-top: 1px solid var(--border);
	display: flex;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	font-size: 12px;
	color: var(--text-dim);
}

.lumen .img-placeholder {
	background: var(--bg3);
	border: 1px dashed rgba(111, 168, 255, 0.2);
	border-radius: var(--radius);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	color: var(--amber-dim);
	font-size: 11px;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	text-align: center;
	padding: 20px;
}
.lumen .img-placeholder .ph-icon {
	font-size: 28px;
	opacity: 0.5;
}

.lumen .demo-strip {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 2px;
	margin-bottom: 80px;
}
.lumen .demo-card {
	border: 1px solid var(--border);
	overflow: hidden;
	position: relative;
	display: flex;
	align-items: center;
	background: var(--bg2);
}
.lumen .demo-card img {
	width: 100%;
	height: auto;
	display: block;
}
.lumen .demo-card .img-placeholder {
	height: 100%;
	border: none;
	border-radius: 0;
}

.lumen .scene-label {
	position: absolute;
	bottom: 16px;
	left: 16px;
	right: 16px;
	font-size: 12px;
	letter-spacing: 0;
	color: var(--amber);
	padding: 6px 10px;
	border: 1px solid rgba(111, 168, 255, 0.3);
	border-radius: 2px;
	background: rgba(6, 6, 8, 0.78);
}

.lumen .logos-section {
	padding: 60px 24px;
	border-bottom: 1px solid var(--border);
}
.lumen .logos-label {
	text-align: center;
	font-size: 12px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--text-dim);
	margin-bottom: 32px;
}
.lumen .logos-row {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 48px;
	flex-wrap: wrap;
}
.lumen .logo-item {
	font-family: "Noto Sans KR", sans-serif;
	font-size: 14px;
	letter-spacing: 0;
	color: rgba(255, 255, 255, 0.32);
	font-weight: 600;
	white-space: nowrap;
}

.lumen .how-section {
	background: var(--bg2);
}
.lumen .timeline {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 0;
	border: 1px solid var(--border);
	margin-top: 0;
}
.lumen .timeline-step {
	padding: 36px 32px;
	border-right: 1px solid var(--border);
	position: relative;
	transition: background 0.3s;
}
.lumen .timeline-step:last-child {
	border-right: none;
}
.lumen .timeline-step:hover {
	background: rgba(111, 168, 255, 0.02);
}
.lumen .step-num {
	font-size: 12px;
	letter-spacing: 0.1em;
	color: var(--amber);
	margin-bottom: 18px;
	font-family: "Noto Sans KR", sans-serif;
}
.lumen .timeline-step h3 {
	font-family: "Noto Sans KR", sans-serif;
	font-size: 17px;
	font-weight: 700;
	color: var(--warm);
	margin-bottom: 10px;
}
.lumen .timeline-step p {
	font-size: 14px;
	line-height: 1.7;
	color: var(--text-dim);
}
.lumen .step-line {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: transparent;
	overflow: hidden;
}
.lumen .step-line::after {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, var(--amber), transparent);
	animation: slide-line 3s linear infinite;
}
@keyframes slide-line {
	to {
		left: 100%;
	}
}
.lumen .timeline-step:nth-child(2) .step-line::after {
	animation-delay: -0.75s;
}
.lumen .timeline-step:nth-child(3) .step-line::after {
	animation-delay: -1.5s;
}
.lumen .timeline-step:nth-child(4) .step-line::after {
	animation-delay: -2.25s;
}

.lumen .success-msg {
	display: none;
	align-items: center;
	gap: 10px;
	font-size: 13px;
	color: #7ecfa0;
	letter-spacing: 0.06em;
}
.lumen .success-msg.show {
	display: flex;
}
.lumen .success-msg::before {
	content: "\2713";
	font-size: 16px;
}

@media (max-width: 900px) {
	.lumen nav {
		padding: 18px 24px;
	}
	.lumen .nav-links, .lumen .nav-cta {
		display: none;
	}
	.lumen .hamburger {
		display: flex;
	}

	.lumen section {
		padding: 80px 20px;
	}
	.lumen .hero {
		padding: 140px 20px 80px;
	}
	.lumen .hero-glow {
		width: 400px;
		height: 400px;
	}
	.lumen .hero-ring {
		width: 280px;
		height: 280px;
	}
	.lumen .hero-ring-2 {
		width: 420px;
		height: 420px;
	}

	.lumen .preview-grid {
		grid-template-columns: 1fr;
	}
	.lumen .preview-card {
		border-right: none;
		border-bottom: 1px solid var(--border);
	}
	.lumen .preview-card:last-child {
		border-bottom: none;
	}

	.lumen .features-list {
		grid-template-columns: 1fr;
	}
	.lumen .feat {
		border-right: none;
		border-bottom: 1px solid var(--border);
	}
	.lumen .feat:last-child {
		border-bottom: none;
	}

	.lumen .specs-layout {
		grid-template-columns: 1fr;
		gap: 48px;
	}

	.lumen .timeline {
		grid-template-columns: 1fr 1fr;
	}
	.lumen .timeline-step:nth-child(2n) {
		border-right: none;
	}
	.lumen .timeline-step {
		border-bottom: 1px solid var(--border);
	}

	.lumen .demo-strip {
		grid-template-columns: 1fr;
	}

	footer.lumen {
		padding: 36px 24px 24px;
	}
	footer.lumen .footer-top {
		flex-direction: column;
		align-items: center;
		text-align: center;
		gap: 32px;
	}
	footer.lumen .footer-logo img {
		margin: 0 auto;
	}
	footer.lumen .footer-cols {
		justify-content: center;
		text-align: center;
		gap: 40px;
	}
	footer.lumen .footer-col {
		align-items: center;
	}
	footer.lumen .footer-bottom {
		flex-direction: column;
		align-items: center;
		text-align: center;
		gap: 8px;
	}

	.lumen .logos-row {
		gap: 32px;
	}
}
@media (max-width: 560px) {
	.lumen .hero h1 {
		font-size: clamp(34px, 10vw, 52px);
		line-height: 1.24;
	}
	.lumen .hero p {
		font-size: 15px;
	}
	.lumen .signup-row {
		flex-direction: column;
		gap: 10px;
		height: auto;
	}
	.lumen .signup input {
		border-right: 1px solid rgba(255, 255, 255, 0.14);
		border-radius: var(--radius);
		width: 100%;
	}
	.lumen .signup button[type="submit"] {
		border-radius: var(--radius);
		width: 100%;
	}
	.lumen .cta-form .signup-row {
		flex-direction: column;
		gap: 10px;
		height: auto;
	}
	.lumen .cta-form input {
		border-right: 1px solid rgba(255, 255, 255, 0.14);
		border-radius: var(--radius);
		width: 100%;
	}
	.lumen .cta-form button[type="submit"] {
		border-radius: var(--radius);
		width: 100%;
	}
	.lumen .timeline {
		grid-template-columns: 1fr;
	}
	.lumen .timeline-step {
		border-right: none;
	}
	.lumen .preview-card {
		padding: 32px 24px;
	}
	.lumen .section-title {
		margin-bottom: 28px;
	}
}

/* ===== animated 6-circle orb logo, ported from the given demo and scaled down to fit the nav ===== */
@property --amplitude {
  syntax: "<length>";
  initial-value: 0;
  inherits: false;
}
@property --scale {
  syntax: "<number>";
  initial-value: 1;
  inherits: false;
}
.lumen-orb{position:relative;width:44px;height:44px;flex:none;display:block;overflow:visible}
.lumen-orb .circle{
  position:absolute;top:50%;left:50%;margin:-4px 0 0 -4px;
  height:8px;width:8px;border-radius:9999999px;
  background:radial-gradient(circle at 50% 0%,oklch(0.1186 0.0248 260.66),oklch(0.3133 0.1419 260.73),oklch(0.6061 0.2122 260.66));
  --angle:90deg;--amplitude:14px;--scale:1.5;--offset:30deg;
  transform:translate(calc(cos(var(--angle)) * var(--amplitude)),calc(sin(var(--angle)) * var(--amplitude) * -1)) scale(var(--scale)) rotate(calc(-1 * var(--angle) + 17deg));
  mix-blend-mode:lighten;
  animation:hsOrbExpand 4.01s cubic-bezier(0.8,0,0.2,1) infinite alternate;
}
.lumen-orb .circle:nth-child(1){--angle:calc(0deg + var(--offset))}
.lumen-orb .circle:nth-child(2){--angle:calc(60deg + var(--offset))}
.lumen-orb .circle:nth-child(3){--angle:calc(120deg + var(--offset))}
.lumen-orb .circle:nth-child(4){--angle:calc(180deg + var(--offset))}
.lumen-orb .circle:nth-child(5){--angle:calc(240deg + var(--offset))}
.lumen-orb .circle:nth-child(6){--angle:calc(300deg + var(--offset))}
@keyframes hsOrbExpand{
  0%{--amplitude:12px;--scale:1}
  50%{--amplitude:8px;--scale:2}
  100%{--amplitude:12px;--scale:2}
}