/* Meridian Desk */
:root {
	--petrol: #0e3a4c;
	--petrol-soft: #1e5a70;
	--graphite: #16232a;
	--graphite-soft: #4a5a62;
	--graphite-faint: #86979f;
	--frost: #f4f7f9;
	--vellum:        #ffffff;
	--filament: #dae4e9;
	--camellia: #e45c6c;
	--camellia-deep: #b33a4b;
	--camellia-wash: #fdeaec;
	--okgreen:          #2f7a55;
	--typeset: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
	        "Segoe UI", "Malgun Gothic", sans-serif;
}

.vy-hertz { margin: 0; background: var(--frost); color: var(--graphite);
	font-family: var(--typeset); line-height: 1.75; font-size: 16.5px;
	-webkit-font-smoothing: antialiased; word-break: keep-all; }
#vy-gauss * { box-sizing: border-box; }
#vy-gauss img { max-width: 100%; height: auto; }

#vy-gauss .vy-meitner a { color: var(--petrol-soft); }
#vy-gauss .vy-meitner a.vy-messier-cathode,
#vy-gauss .vy-meitner a.vy-messier-diffract { color: #ffffff; }

.vy-pascal { max-width: 860px; margin: 0 auto; padding: 0 20px; }

.vy-pasteur { background: var(--vellum); border-bottom: 1px solid var(--filament); }
.vy-pasteur-parallax { display: flex; justify-content: flex-end; align-items: center;
	padding-top: 11px; padding-bottom: 11px; }
.vy-carson { font-size: 0.78rem; color: var(--graphite-faint); }
.vy-pasteur-spectra { margin-left: 18px; flex-shrink: 0; }
.vy-pasteur-spectra a { font-size: 0.85rem; font-weight: 700; color: var(--petrol); text-decoration: none;
	padding: 6px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.vy-pasteur-spectra a:hover, .vy-pasteur-spectra a[aria-current="page"] { color: var(--camellia-deep); border-bottom-color: var(--camellia); }

.vy-dalton { position: relative; overflow: hidden;
	background: linear-gradient(200deg, var(--petrol) 0%, #334f5b 100%);
	color: #eff3f5; padding: 62px 0 56px; text-align: left;
	border-top: 4px solid var(--camellia); }
.vy-dalton::before { content: ""; position: absolute; top: -160px; left: -140px;
	width: 540px; height: 540px; border-radius: 50%; pointer-events: none;
	background: radial-gradient(circle, rgba(228,92,108,0.20) 0%, rgba(228,92,108,0) 65%); }
.vy-dalton::after { content: ""; position: absolute; left: -14px; bottom: -64px;
	font-size: 14rem; font-weight: 900; letter-spacing: -0.05em; line-height: 1;
	color: rgba(255,255,255,0.03); pointer-events: none; user-select: none; }

.vy-dalton-turbine { position: relative; z-index: 1; display: grid;
	grid-template-columns: 360px 1fr; gap: 46px; align-items: center; }

.vy-dalton-graviton  { grid-column: 2; grid-row: 1; }
.vy-dalton-vortex { grid-column: 1; grid-row: 1; }

.vy-dalton-maser { display: inline-block; font-size: 0.8rem; letter-spacing: 0.05em;
	color: #efb6bd; margin: 0 0 16px; font-weight: 700;
	padding: 6px 14px; border: 1px solid rgba(228,92,108,0.45); border-radius: 999px;
	background: rgba(228,92,108,0.12); }
.vy-dalton h1 { font-size: 3.1rem; font-weight: 900; letter-spacing: -0.035em;
	margin: 0 0 16px; color: #ffffff; line-height: 1.18; }
.vy-dalton-epsilon { font-size: 1.02rem; color: #c5d4db; max-width: 560px;
	margin: 0 0 30px; line-height: 1.85; }

.vy-fourier { list-style: none; display: flex; gap: 0; margin: 0 0 32px; padding: 0;
	border-top: 1px solid rgba(255,255,255,0.14);
	border-bottom: 1px solid rgba(255,255,255,0.14); max-width: 620px; }
.vy-fourier li { flex: 1; padding: 18px 18px 16px; }
.vy-fourier li + li { border-left: 1px solid rgba(255,255,255,0.14); }
.vy-fourier strong { display: block; font-size: 1.35rem; font-weight: 800; color: #ffffff;
	font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.vy-fourier span { font-size: 0.78rem; color: #a2b8c1; }

.vy-dalton-sigma { font-size: 0.8rem; color: #a2b8c1; margin: 12px 0 0; }

.vy-dalton-vortex { background: rgba(255,255,255,0.05);
	border: 1px solid rgba(255,255,255,0.14); border-radius: 16px;
	padding: 26px 24px; backdrop-filter: blur(2px);
	box-shadow: 0 18px 44px rgba(0,0,0,0.28); }
.vy-cassini-sonar { display: inline-block; background: var(--camellia); color: #ffffff;
	font-size: 0.72rem; font-weight: 800; letter-spacing: 0.05em;
	padding: 5px 12px; border-radius: 6px; margin-bottom: 14px; }
.vy-cassini-crater { font-size: 1.35rem; font-weight: 900; color: #ffffff;
	margin: 0 0 12px; letter-spacing: -0.02em; }
.vy-cassini-beta { list-style: none; margin: 0 0 20px; padding: 0; }
.vy-cassini-beta li { position: relative; padding: 7px 0 7px 18px;
	font-size: 0.88rem; color: #c5d4db; line-height: 1.6;
	border-bottom: 1px solid rgba(255,255,255,0.08); }
.vy-cassini-beta li:last-child { border-bottom: none; }
.vy-cassini-beta li::before { content: ""; position: absolute; left: 2px; top: 16px;
	width: 6px; height: 6px; border-radius: 50%; background: var(--camellia); }
.vy-cassini-beta strong { color: #ffffff; }

.vy-cassini-gluon { display: flex; flex-direction: column; gap: 8px; }
.vy-cassini-gluon a { display: flex; align-items: center; gap: 12px;
	padding: 12px 16px; border: 1px solid rgba(255,255,255,0.16); border-radius: 10px;
	color: #eff3f5; font-size: 0.9rem; font-weight: 700; text-decoration: none;
	transition: border-color 0.18s, background 0.18s; }
.vy-cassini-gluon a:hover { border-color: var(--camellia); background: rgba(228,92,108,0.12);
	color: #ffffff; }
.vy-cassini-gluon a span { font-size: 0.72rem; font-weight: 800; color: var(--camellia);
	font-variant-numeric: tabular-nums; }
.vy-cassini-gluon a::after { content: "→"; margin-left: auto; color: #a2b8c1; }

.vy-messier { display: inline-block; padding: 15px 34px; border-radius: 10px;
	font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer;
	border: none; font-family: inherit; transition: background 0.18s, border-color 0.18s; }
.vy-messier-cathode { background: var(--camellia); color: #ffffff; }
.vy-messier-cathode:hover { background: var(--camellia-deep); color: #ffffff; }
.vy-messier-diffract { background: var(--petrol); color: #ffffff; }
.vy-messier-diffract:hover { background: var(--petrol-soft); }

.vy-hertz { overflow-x: hidden; }
.vy-meitner { padding: 26px 20px 0; }
.vy-herschel { margin: 58px 0; }

.vy-salk-gamma { background: #f0f4f6;
	border-top: 1px solid #e4eaec; border-bottom: 1px solid #e4eaec;
	margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw);
	padding: 50px calc(50vw - 50%) 56px; }

.vy-meitner > section.vy-salk-gamma:last-of-type { margin-bottom: 0; border-bottom: none; }
.vy-meitner > section.vy-herschel:last-of-type:not(.vy-salk-gamma) { margin-bottom: 64px; }
.vy-herschel h2 { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em;
	color: var(--petrol); margin: 0 0 14px; padding-bottom: 12px;
	border-bottom: 2px solid var(--petrol); }
.vy-herschel h3 { font-size: 1.13rem; font-weight: 700; color: var(--graphite);
	margin: 30px 0 10px; }
.vy-herschel > p { margin: 0 0 16px; color: var(--graphite-soft); }
.vy-herschel strong { color: var(--graphite); }

.vy-chandra { font-size: 0.78rem; color: var(--graphite-faint); margin-top: 14px;
	padding-left: 10px; border-left: 3px solid var(--filament); line-height: 1.6; }

.vy-goodall-omega { overflow-x: auto; margin: 12px 0 6px; border: 1px solid var(--filament);
	border-radius: 12px; background: var(--vellum); }
.vy-goodall { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 480px; }
.vy-goodall th { text-align: left; font-weight: 700; color: var(--petrol);
	background: #f1f5f7; padding: 12px 16px; border-bottom: 1px solid var(--filament);
	font-size: 0.85rem; letter-spacing: 0.02em; }
.vy-goodall td { padding: 13px 16px; border-bottom: 1px solid #ecf1f3;
	color: var(--graphite-soft); vertical-align: top; font-variant-numeric: tabular-nums; }
.vy-goodall tr:last-child td { border-bottom: none; }
.vy-goodall td strong { color: var(--petrol); }

.vy-marconi article { background: var(--vellum); border: 1px solid var(--filament);
	border-radius: 12px; padding: 24px 26px; margin-bottom: 14px;
	transition: border-color 0.18s; }
.vy-marconi article:hover { border-color: var(--camellia); }
.vy-marconi h3 { margin: 0 0 8px; display: flex; align-items: center; gap: 12px; }
.vy-marconi p { margin: 0; font-size: 0.94rem; color: var(--graphite-soft); }
.vy-leibniz { display: inline-flex; align-items: center; justify-content: center;
	width: 30px; height: 30px; min-width: 30px; border-radius: 9px;
	background: var(--camellia-wash); color: var(--camellia-deep);
	font-size: 0.88rem; font-weight: 800; }

.vy-mendel-turbine { display: grid; grid-template-columns: repeat(2, 1fr);
	gap: 14px 28px; margin: 18px 0 6px; }
.vy-mendel-turbine > div { border-left: 3px solid var(--camellia);
	padding: 2px 0 2px 14px; }
.vy-mendel-turbine dt { font-size: 0.8rem; font-weight: 800; color: var(--camellia-deep);
	margin-bottom: 3px; }
.vy-mendel-turbine dd { margin: 0; font-size: 0.92rem; color: var(--graphite-soft);
	line-height: 1.65; }
.vy-mendel-turbine dd a { font-weight: 700; }

@media (max-width: 640px) {
	.vy-mendel-turbine { grid-template-columns: 1fr; gap: 12px; }
}

.vy-archimedes { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 6px; }
.vy-archimedes + .vy-archimedes { margin-top: 8px; }
#vy-gauss .vy-meitner a.vy-euclid { display: inline-block; padding: 7px 14px;
	border: 1px solid var(--filament); border-radius: 999px; background: var(--vellum);
	font-size: 0.88rem; font-weight: 700; color: var(--petrol); text-decoration: none;
	transition: border-color 0.15s, background 0.15s, color 0.15s; }
#vy-gauss .vy-meitner a.vy-euclid:hover { border-color: var(--camellia);
	background: var(--camellia-wash); color: var(--camellia-deep); }

@media (max-width: 640px) {
	.vy-archimedes { gap: 6px; }
	#vy-gauss .vy-meitner a.vy-euclid { padding: 6px 12px; font-size: 0.83rem; }
}

.vy-ampere { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0 0; }
.vy-volta { background: var(--vellum); border: 1px solid var(--filament); border-radius: 14px;
	overflow: hidden; display: flex; flex-direction: column;
	transition: border-color 0.18s, box-shadow 0.18s; }
.vy-volta:hover { border-color: var(--camellia); box-shadow: 0 10px 26px rgba(14,58,76,0.08); }
.vy-volta-lepton { display: block; background: #f1f5f7; border-bottom: 1px solid var(--filament); }
.vy-volta-lepton img { display: block; width: 100%; height: auto; }
.vy-volta h3 { margin: 0; padding: 13px 16px 6px; font-size: 0.95rem; font-weight: 700;
	line-height: 1.5; }
#vy-gauss .vy-meitner .vy-volta h3 a { color: var(--petrol); text-decoration: none; }
#vy-gauss .vy-meitner .vy-volta h3 a:hover { color: var(--camellia-deep); }
.vy-volta time { display: block; padding: 0 16px 14px; margin-top: auto;
	font-size: 0.76rem; color: var(--graphite-faint); font-variant-numeric: tabular-nums; }

@media (max-width: 720px) {
	.vy-ampere { grid-template-columns: repeat(2, 1fr); gap: 12px; }
	.vy-volta h3 { font-size: 0.88rem; padding: 11px 12px 5px; }
	.vy-volta time { padding: 0 12px 12px; }
}

.vy-noether { display: grid;
	grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
	gap: 18px; margin-top: 18px; align-items: start; }
.vy-lovelace { display: flex; flex-direction: column; overflow: hidden;
	background: var(--vellum); border: 1px solid var(--filament); border-radius: 14px;
	transition: border-color 0.18s, box-shadow 0.18s; }
.vy-lovelace:hover { border-color: var(--camellia);
	box-shadow: 0 10px 26px rgba(14,58,76,0.08); }

.vy-lovelace-candela { display: block; width: 100%; background: #f1f5f7;
	border-bottom: 1px solid var(--filament); }
.vy-lovelace-candela img { display: block; width: 100%; height: auto;
	max-height: 360px; object-fit: cover; object-position: center top; }

.vy-lovelace-plasma { display: flex; flex-direction: column; gap: 3px;
	padding: 16px 18px 4px; }
.vy-lovelace-plasma strong { font-size: 1.02rem; color: var(--graphite);
	letter-spacing: -0.01em; font-weight: 800; }
.vy-lovelace-plasma small { font-size: 0.82rem; color: var(--graphite-faint); line-height: 1.5; }

.vy-lovelace-comet { display: block; margin: 14px 18px 18px; margin-top: auto;
	padding: 13px 20px; font-size: 0.92rem; text-align: center; border-radius: 10px; }
.vy-lovelace-plasma + .vy-lovelace-comet { margin-top: 14px; }

@media (max-width: 640px) {
	.vy-noether { grid-template-columns: 1fr; }
	.vy-lovelace-candela img { max-height: 300px; }
}

.vy-hooke-pulsar { background: var(--vellum); border: 1px solid var(--filament);
	border-top: 3px solid var(--camellia); border-radius: 12px;
	padding: 28px; margin: 18px 0 6px; }

.vy-lister-beta { list-style: none; margin: 0; padding: 0; counter-reset: q; }
.vy-lister-beta li { display: flex; justify-content: space-between; align-items: center;
	gap: 16px; padding: 14px 4px; border-bottom: 1px solid #ecf1f3;
	font-size: 0.94rem; counter-increment: q; }
.vy-lister-beta li::before { content: counter(q, decimal-leading-zero);
	font-size: 0.75rem; font-weight: 700; color: var(--graphite-faint);
	font-variant-numeric: tabular-nums; }
.vy-lister-beta li > span:first-of-type { flex: 1; }
.vy-vesalius { display: flex; gap: 6px; }
.vy-vesalius button { padding: 7px 16px; border: 1px solid var(--filament); background: #ffffff;
	border-radius: 6px; font-family: inherit; font-size: 0.85rem; font-weight: 600;
	color: var(--graphite-soft); cursor: pointer; transition: all 0.15s; }
.vy-vesalius button:hover { border-color: var(--petrol); color: var(--petrol); }
.vy-vesalius button.on { background: var(--petrol); border-color: var(--petrol); color: #ffffff; }

.vy-lister-photino { margin-top: 22px; padding: 22px 24px; border-radius: 12px;
	background: var(--camellia-wash); border: 1px solid #f5c8cd; }
.vy-lister-photino h3 { margin: 0 0 8px; color: var(--camellia-deep); font-size: 1.1rem; }
.vy-lister-photino p { margin: 0 0 16px; font-size: 0.92rem; color: var(--graphite-soft); }

.vy-lorentz-ecliptic { display: grid; grid-template-columns: repeat(3, 1fr);
	gap: 16px; margin-bottom: 20px; }
.vy-lorentz-ecliptic label span { display: block; font-size: 0.82rem; font-weight: 700;
	color: var(--graphite); margin-bottom: 7px; }
.vy-lorentz-ecliptic input, .vy-lorentz-ecliptic select { width: 100%; padding: 12px 14px;
	border: 1px solid var(--filament); border-radius: 9px; font-family: inherit;
	font-size: 0.98rem; background: #ffffff; color: var(--graphite);
	font-variant-numeric: tabular-nums; }
.vy-lorentz-ecliptic input:focus, .vy-lorentz-ecliptic select:focus {
	outline: none; border-color: var(--petrol); }

.vy-lorentz-photino { margin-top: 24px; padding-top: 22px; border-top: 1px dashed var(--filament); }
.vy-lorentz-photino dl { display: grid; grid-template-columns: repeat(2, 1fr);
	gap: 12px; margin: 0 0 20px; }
.vy-lorentz-photino dl > div { background: #f4f5f8; border-radius: 9px; padding: 14px 16px; }
.vy-lorentz-photino dt { font-size: 0.76rem; color: var(--graphite-faint); margin-bottom: 3px; }
.vy-lorentz-photino dd { margin: 0; font-size: 1.15rem; font-weight: 800; color: var(--graphite);
	font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.vy-lorentz-photino dd.vy-dirac { color: var(--camellia-deep); }

.vy-edison { margin-bottom: 18px; }
.vy-edison-zeta { height: 10px; background: #e5edf0; border-radius: 999px; overflow: hidden; }
.vy-edison-zeta span { display: block; height: 100%; width: 0;
	background: linear-gradient(90deg, var(--camellia), var(--camellia-deep));
	border-radius: 999px; transition: width 0.6s ease; }
.vy-edison p { margin: 8px 0 0; font-size: 0.88rem; color: var(--graphite-soft); }
.vy-edison strong { color: var(--camellia-deep); font-size: 1.05rem;
	font-variant-numeric: tabular-nums; }

.vy-lorentz-sigma { font-size: 0.85rem; color: var(--graphite-soft); margin: 0 0 18px; }

.vy-pauli { list-style: none; margin: 12px 0 0; padding: 0; }
.vy-pauli li { position: relative; padding: 12px 0 12px 22px; font-size: 0.94rem;
	color: var(--graphite-soft); border-bottom: 1px solid #ecf1f3; }
.vy-pauli li:last-child { border-bottom: none; }
.vy-pauli li::before { content: ""; position: absolute; left: 2px; top: 21px;
	width: 7px; height: 7px; border-radius: 50%; background: var(--camellia); }

.vy-fresnel { list-style: none; margin: 20px 0 0; padding: 0; counter-reset: step;
	position: relative; }
.vy-fresnel li { position: relative; padding: 0 0 30px 58px; counter-increment: step; }
.vy-fresnel li::before { content: counter(step); position: absolute; left: 0; top: 0;
	width: 38px; height: 38px; border-radius: 12px; background: var(--petrol); color: #ffffff;
	font-weight: 800; font-size: 1rem; display: flex; align-items: center;
	justify-content: center; }
.vy-fresnel li::after { content: ""; position: absolute; left: 19px; top: 44px;
	bottom: 6px; width: 1px; background: var(--filament); }
.vy-fresnel li:last-child::after { display: none; }
.vy-fresnel h3 { margin: 4px 0 6px; font-size: 1.08rem; }
.vy-fresnel p { margin: 0; font-size: 0.93rem; color: var(--graphite-soft); }
.vy-fresnel em { font-style: normal; color: var(--camellia-deep); font-weight: 600; }

.vy-kepler details { background: var(--vellum); border: 1px solid var(--filament);
	border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
.vy-kepler summary { list-style: none; cursor: pointer; padding: 17px 46px 17px 20px;
	font-weight: 700; font-size: 0.97rem; color: var(--graphite); position: relative;
	transition: background 0.15s; }
.vy-kepler summary::-webkit-details-marker { display: none; }
.vy-kepler summary::after { content: "+"; position: absolute; right: 18px; top: 50%;
	transform: translateY(-50%); font-size: 1.3rem; font-weight: 400;
	color: var(--graphite-faint); transition: transform 0.2s; }
.vy-kepler details[open] summary::after { content: "−"; }
.vy-kepler summary:hover { background: #f4f5f8; }
.vy-kepler .vy-schrodinger { color: var(--camellia-deep); font-weight: 800; margin-right: 2px; }
.vy-kepler details p { margin: 0; padding: 0 20px 18px; font-size: 0.92rem;
	color: var(--graphite-soft); }

.vy-pasteur-quasar .vy-tesla-quark { font-size: 0.85rem; font-weight: 700;
	color: var(--petrol); text-decoration: none; }
.vy-pasteur-quasar .vy-tesla-quark:hover { color: var(--camellia-deep); }
.vy-pasteur-quasar { justify-content: space-between !important; }

.vy-hopper-omega { max-width: 800px; padding-top: 34px; }
.vy-hopper-neutron { margin-bottom: 30px; padding-bottom: 22px;
	border-bottom: 2px solid var(--petrol); }
.vy-hopper-eclipse { display: inline-block; background: var(--camellia-wash);
	color: var(--camellia-deep); border: 1px solid #f5c8cd;
	font-size: 0.74rem; font-weight: 800; letter-spacing: 0.03em;
	padding: 5px 12px; border-radius: 999px; margin: 0 0 14px; }
.vy-hopper-neutron h1 { font-size: 1.9rem; font-weight: 900; letter-spacing: -0.025em;
	line-height: 1.4; color: var(--petrol); margin: 0 0 12px; }
.vy-hopper-fermion { font-size: 0.8rem; color: var(--graphite-faint); margin: 0; }
.vy-hopper-fermion span { margin: 0 4px; }

.vy-hopper-lepton { margin: 0 0 28px; }
.vy-hopper-lepton img { display: block; max-width: 560px; width: 100%; height: auto;
	border-radius: 14px; border: 1px solid var(--filament); }

.vy-hopper-plasma { font-size: 1rem; }
.vy-hopper-plasma > p { margin: 0 0 18px; color: var(--graphite-soft); line-height: 1.85; }
.vy-hopper-plasma strong { color: var(--graphite); }
.vy-hopper-plasma h2 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em;
	color: var(--petrol); margin: 40px 0 14px; padding-left: 12px;
	border-left: 4px solid var(--camellia); }
.vy-hopper-plasma h3 { font-size: 1.1rem; font-weight: 700; color: var(--graphite);
	margin: 26px 0 10px; }
.vy-hopper-plasma table { width: 100%; border-collapse: collapse; margin: 12px 0 22px;
	font-size: 0.92rem; background: var(--vellum); }
.vy-hopper-plasma ul, .vy-hopper-plasma ol { margin: 0 0 18px 22px; color: var(--graphite-soft); }
.vy-hopper-plasma li { margin-bottom: 6px; }
.vy-hopper-plasma a { color: var(--petrol-soft); font-weight: 600;
	text-decoration: underline; text-underline-offset: 3px; }
.vy-hopper-plasma a:hover { color: var(--camellia-deep); }

.vy-hopper-enthalpy { margin: 34px 0 20px; }
.vy-hopper-enthalpy a { font-size: 0.92rem; font-weight: 700; color: var(--petrol);
	text-decoration: none; }
.vy-hopper-enthalpy a:hover { color: var(--camellia-deep); }

@media (max-width: 720px) {
	.vy-hopper-neutron h1 { font-size: 1.45rem; }
	.vy-pasteur-quasar .vy-tesla-quark { font-size: 0.78rem; }
	.vy-sagan-azimuth.has-thumb { gap: 14px; }
	.vy-sagan-lepton { flex-basis: 84px; }
	.vy-sagan-lepton img { width: 84px; height: 84px; }
}

.vy-sagan { display: flex; flex-direction: column; gap: 14px; }
.vy-sagan-azimuth { background: var(--vellum); border: 1px solid var(--filament);
	border-radius: 12px; padding: 22px 24px; transition: border-color 0.18s; }
.vy-sagan-azimuth:hover { border-color: var(--camellia); }
.vy-sagan-azimuth.has-thumb { display: flex; gap: 20px; align-items: flex-start; }
.vy-sagan-lepton { flex: 0 0 116px; display: block; line-height: 0; }
.vy-sagan-lepton img { width: 116px; height: 116px; object-fit: cover;
	border-radius: 10px; border: 1px solid var(--filament); }
.vy-sagan-plasma { flex: 1; min-width: 0; }
.vy-sagan-azimuth h2 { margin: 0 0 6px; font-size: 1.12rem; font-weight: 800;
	letter-spacing: -0.015em; line-height: 1.45; border: none; padding: 0; }
.vy-sagan-azimuth h2 a { color: var(--petrol); text-decoration: none; }
.vy-sagan-azimuth h2 a:hover { color: var(--camellia-deep); }
.vy-sagan-fermion { margin: 0 0 10px; font-size: 0.76rem; color: var(--graphite-faint);
	font-variant-numeric: tabular-nums; }
.vy-sagan-tau { margin: 0 0 12px; font-size: 0.9rem; color: var(--graphite-soft);
	line-height: 1.75; }
.vy-sagan-enthalpy { font-size: 0.85rem; font-weight: 700; color: var(--petrol);
	text-decoration: none; }
.vy-sagan-enthalpy:hover { color: var(--camellia-deep); }

.vy-hopper-omega .pagination { margin: 26px 0 50px; }
.vy-hopper-omega .nav-links { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.vy-hopper-omega .page-numbers { min-width: 36px; height: 36px; padding: 0 10px;
	display: inline-flex; align-items: center; justify-content: center;
	border: 1px solid var(--filament); border-radius: 9px; background: var(--vellum);
	font-size: 0.88rem; font-weight: 700; color: var(--graphite-soft); text-decoration: none;
	font-variant-numeric: tabular-nums; }
.vy-hopper-omega .page-numbers:hover { border-color: var(--petrol); color: var(--petrol); }
.vy-hopper-omega .page-numbers.current { background: var(--petrol); border-color: var(--petrol); color: #ffffff; }

.vy-copernicus { list-style: none; margin: 16px 0 0; padding: 0;
	background: var(--vellum); border: 1px solid var(--filament); border-radius: 12px; }
.vy-copernicus li { display: flex; justify-content: space-between; align-items: center;
	gap: 14px; padding: 14px 18px; border-bottom: 1px solid #ecf1f3; }
.vy-copernicus li:last-child { border-bottom: none; }
.vy-copernicus a { font-size: 0.95rem; font-weight: 600; text-decoration: none; }
.vy-copernicus a:hover { color: var(--camellia-deep); }
.vy-copernicus time { font-size: 0.76rem; color: var(--graphite-faint);
	font-variant-numeric: tabular-nums; white-space: nowrap; }

.vy-copernicus-inertia { display: flex; justify-content: center; gap: 6px;
	margin-top: 18px; flex-wrap: wrap; }
.vy-copernicus-inertia button { min-width: 36px; height: 36px; padding: 0 10px;
	border: 1px solid var(--filament); border-radius: 9px; background: var(--vellum);
	font-family: inherit; font-size: 0.88rem; font-weight: 700; color: var(--graphite-soft);
	cursor: pointer; font-variant-numeric: tabular-nums;
	transition: border-color 0.15s, color 0.15s; }
.vy-copernicus-inertia button:hover { border-color: var(--petrol); color: var(--petrol); }
.vy-copernicus-inertia button.on { background: var(--petrol); border-color: var(--petrol);
	color: #ffffff; }

.vy-ptolemy-neutrino { background: var(--vellum); border: 1px solid var(--filament);
	border-radius: 12px; padding: 18px; }

.vy-raman { background: var(--petrol); color: #98acb4; padding: 40px 0 90px;
	font-size: 0.8rem; line-height: 1.8; }
.vy-raman p { margin: 0 0 10px; }
.vy-raman a { color: #c5d4db; }
.vy-raman-gluon { padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.12);
	margin-bottom: 16px !important; }

.vy-brahe-nova { position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
	background: rgba(16,78,100,0.97); backdrop-filter: blur(4px);
	padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
	border-top: 1px solid rgba(255,255,255,0.15); }
.vy-brahe-nova a { display: block; max-width: 480px; margin: 0 auto; text-align: center;
	background: var(--camellia); color: #ffffff; font-weight: 700; font-size: 0.98rem;
	padding: 13px; border-radius: 9px; text-decoration: none; }
.vy-brahe-nova a:hover { background: var(--camellia-deep); }

.vy-einstein { margin: 18px 0 20px; padding: 18px 20px; background: var(--vellum);
	border: 1px solid #f5c8cd; border-radius: 12px; }
.vy-einstein-crater { margin: 0 0 12px; font-weight: 800; color: var(--petrol); font-size: 0.98rem; }
.vy-einstein-ecliptic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.vy-einstein-ecliptic label span { display: block; font-size: 0.78rem; font-weight: 700;
	color: var(--graphite); margin-bottom: 5px; }
.vy-einstein-ecliptic select { width: 100%; padding: 10px 12px; border: 1px solid var(--filament);
	border-radius: 9px; font-family: inherit; font-size: 0.92rem; background: #ffffff;
	color: var(--graphite); }
.vy-einstein-comet { margin-top: 14px; padding: 11px 22px; font-size: 0.94rem; }
.vy-einstein-amplitude { margin: 14px 0 0; padding: 14px 16px; background: var(--camellia-wash);
	border-radius: 9px; font-size: 0.92rem; color: var(--graphite-soft); line-height: 1.7; }
.vy-einstein-dynamo { font-size: 1.9rem; font-weight: 900; color: var(--camellia-deep);
	letter-spacing: -0.02em; }
.vy-einstein-sigma { display: block; margin-top: 6px; font-size: 0.8rem; color: var(--graphite-faint); }

.vy-morse { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0 6px; }
.vy-morse article { background: var(--vellum); border: 1px solid var(--filament);
	border-top: 3px solid var(--camellia); border-radius: 12px; padding: 18px 16px; text-align: center; }
.vy-morse-torque { display: block; font-size: 2rem; font-weight: 900; color: var(--camellia-deep);
	letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 8px; }
.vy-morse strong { display: block; font-size: 0.9rem; color: var(--graphite); margin-bottom: 4px; }
.vy-morse small { display: block; font-size: 0.78rem; color: var(--graphite-faint); line-height: 1.5; }

.vy-babbage { position: fixed; left: 16px; bottom: 84px; z-index: 120; max-width: 340px;
	display: flex; align-items: center; gap: 10px;
	background: rgba(16,78,100,0.96); color: #eff3f5; border-radius: 12px;
	padding: 12px 14px; box-shadow: 0 10px 30px rgba(0,0,0,0.24);
	font-size: 0.86rem; line-height: 1.5;
	opacity: 0; transform: translateY(8px); transition: opacity 0.3s, transform 0.3s; }
.vy-babbage.on { opacity: 1; transform: translateY(0); }
.vy-babbage a { color: #ffffff; text-decoration: underline; text-underline-offset: 3px; }
.vy-babbage-umbra { background: none; border: none; color: #a2b8c1; font-size: 1.2rem;
	line-height: 1; cursor: pointer; padding: 0 2px; }

.vy-doppler { display: flex; align-items: center; gap: 7px; margin: 0 0 12px;
	font-size: 0.78rem; font-weight: 700; color: #d1dce1; }
.vy-doppler-lambda { display: inline-block; width: 8px; height: 8px; border-radius: 50%;
	background: #4ade80; box-shadow: 0 0 0 0 rgba(74,222,128,0.7);
	animation: icPulse 2s infinite; }
.vy-brahe-nova a .vy-doppler-lambda { margin-right: 7px; vertical-align: middle; }
@keyframes icPulse {
	0%   { box-shadow: 0 0 0 0 rgba(74,222,128,0.7); }
	70%  { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
	100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}
@media (prefers-reduced-motion: reduce) {
	.vy-doppler-lambda { animation: none; }
	.vy-babbage { transition: none; }
}

@media (max-width: 960px) {
	.vy-dalton-turbine { grid-template-columns: 1fr; gap: 34px; }
	
	.vy-dalton-graviton  { grid-column: 1; grid-row: 1; }
	.vy-dalton-vortex { grid-column: 1; grid-row: 2; max-width: 520px; }
	.vy-dalton::after { font-size: 9rem; }
}

@media (max-width: 720px) {
	.vy-hertz { font-size: 15.5px; }
	.vy-dalton { padding: 46px 0 42px; }
	.vy-dalton h1 { font-size: 2.15rem; }
	.vy-dalton::after { display: none; }
	.vy-dalton-vortex { padding: 20px 18px; }
	.vy-fourier { flex-direction: row; }
	.vy-fourier li { padding: 13px 10px 11px; }
	.vy-fourier strong { font-size: 1.02rem; }
	.vy-fourier span { font-size: 0.7rem; }
	
	.vy-herschel { margin-top: 44px; margin-bottom: 44px; }
	.vy-salk-gamma { padding-top: 38px; padding-bottom: 42px; }
	.vy-herschel h2 { font-size: 1.4rem; }
	.vy-lorentz-ecliptic { grid-template-columns: 1fr; }
	.vy-lorentz-photino dl { grid-template-columns: 1fr 1fr; }
	.vy-lister-beta li { flex-wrap: wrap; }
	.vy-lister-beta li > span:first-of-type { flex-basis: calc(100% - 30px); }
	.vy-vesalius { margin-left: 30px; }
	.vy-hooke-pulsar { padding: 20px 16px; }
	.vy-pasteur-parallax { flex-wrap: wrap; align-items: center; gap: 2px 12px; }
	.vy-pasteur-parallax .vy-tesla-quark { order: 1; }
	.vy-pasteur-parallax .vy-pasteur-spectra { order: 2; margin-left: auto; }
	.vy-pasteur-parallax .vy-carson { order: 3; flex-basis: 100%; margin-left: 0; }
	.vy-einstein-ecliptic { grid-template-columns: 1fr; }
	.vy-morse { grid-template-columns: repeat(2, 1fr); gap: 10px; }
	.vy-morse-torque { font-size: 1.6rem; }
	.vy-babbage { left: 12px; right: 12px; max-width: none; bottom: 78px; }
}

.vy-hipparchus img { display: block; width: 100%; height: auto; }
.vy-hipparchus-omicron { background: #051c26; }   
@media (max-width: 640px) {
	.vy-hipparchus-omicron { padding: 0; }
}

.vy-rayleigh-omega { position: relative; margin-top: 18px; }
.vy-rayleigh { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory;
	-webkit-overflow-scrolling: touch; scrollbar-width: none; padding-bottom: 4px; }
.vy-rayleigh::-webkit-scrollbar { display: none; }
.vy-jenner { display: flex; flex-direction: column; text-decoration: none;
	flex: 0 0 calc((100% - 36px) / 3); scroll-snap-align: start; }
.vy-rayleigh-spectra { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
	width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--filament);
	background: var(--vellum); color: var(--petrol); font-size: 1.05rem; line-height: 1;
	cursor: pointer; box-shadow: 0 4px 14px rgba(14,58,76,0.14);
	transition: background 0.15s, color 0.15s, opacity 0.15s; }
.vy-rayleigh-spectra:hover:not(:disabled) { background: var(--camellia); color: #ffffff; border-color: var(--camellia); }
.vy-rayleigh-spectra:disabled { opacity: 0.35; cursor: default; }
#vy-rayleigh-nebula { left: -14px; }
#vy-rayleigh-blueshift { right: -14px; }
.vy-jenner-lepton { display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 14px;
	background-size: cover; background-position: center; border: 1px solid var(--filament);
	position: relative; transition: border-color 0.18s; }
.vy-jenner:hover .vy-jenner-lepton { border-color: var(--camellia); }
.vy-jenner-theta { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
	width: 52px; height: 38px; border-radius: 12px; background: rgba(0,0,0,0.62); }
.vy-jenner-theta::after { content: ""; position: absolute; left: 50%; top: 50%;
	transform: translate(-40%, -50%); border-style: solid; border-width: 8px 0 8px 14px;
	border-color: transparent transparent transparent #ffffff; }
.vy-jenner:hover .vy-jenner-theta { background: rgba(228,92,108,0.92); }
.vy-jenner strong { margin-top: 10px; font-size: 0.92rem; font-weight: 700; line-height: 1.5;
	color: var(--graphite); }
#vy-gauss .vy-meitner a.vy-jenner { color: var(--graphite); }
#vy-gauss .vy-meitner a.vy-jenner:hover strong { color: var(--camellia-deep); }
@media (max-width: 900px) {
	.vy-jenner { flex-basis: calc((100% - 18px) / 2); }
}
@media (max-width: 640px) {
	.vy-rayleigh { gap: 14px; }
	.vy-jenner { flex-basis: 82%; }
	#vy-rayleigh-nebula { left: -6px; }
	#vy-rayleigh-blueshift { right: -6px; }
}

.vy-pasteur { background: #1d485a; border-bottom: 1px solid rgba(255,255,255,0.08); }
.vy-pasteur .vy-carson { color: #94b0bb; }
.vy-pasteur .vy-pasteur-spectra a { color: #ebf2f5; border: 1px solid rgba(255,255,255,0.22);
	border-radius: 999px; padding: 5px 14px; }
.vy-pasteur .vy-pasteur-spectra a:hover { color: #1a3540; background: var(--camellia); border-color: var(--camellia); }

.vy-dalton { background: radial-gradient(1200px 520px at 78% 0%, #1f628a 0%, #144463 48%, #0b2e46 100%);
	color: #eaf2f6; padding: 0; }
.vy-dalton::before { top: auto; bottom: -220px; left: -160px; width: 520px; height: 520px;
	background: radial-gradient(circle, rgba(228,92,108,0.16) 0%, rgba(228,92,108,0) 68%); }
.vy-dalton::after { content: none; }
.vy-dalton-boson { position: relative; z-index: 1; padding-top: 68px; padding-bottom: 148px; max-width: 1040px; }
.vy-dalton-maser { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 700;
	letter-spacing: 0.04em; color: #d2e5ed; background: rgba(255,255,255,0.08);
	border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; padding: 7px 14px; margin: 0 0 22px; }
.vy-dalton h1 { font-size: 3.15rem; font-weight: 900; letter-spacing: -0.04em; line-height: 1.2;
	color: #ffffff; margin: 0 0 18px; }
.vy-dalton h1 span { color: var(--camellia); }
.vy-dalton-epsilon { font-size: 1.02rem; color: #bcd0d7; max-width: 560px; margin: 0 0 28px; line-height: 1.85; }
.vy-dalton-meteor { display: flex; gap: 12px; flex-wrap: wrap; margin: 0 0 30px; }
.vy-messier-cathode { color: #213740; font-weight: 800; }
.vy-messier-cathode:hover { color: #213740; }
#vy-gauss .vy-meitner a.vy-messier-cathode { color: #213740; }
.vy-messier-wavelength { background: transparent; color: #ffffff; border: 1px solid rgba(255,255,255,0.38); }
.vy-messier-wavelength:hover { background: rgba(255,255,255,0.1); color: #ffffff; }
.vy-dalton .vy-fourier { margin: 0; max-width: 580px; background: rgba(255,255,255,0.05);
	border: 1px solid rgba(255,255,255,0.1); border-radius: 14px; }
.vy-dalton .vy-fourier strong { font-size: 1.18rem; }

.vy-dalton-muon .vy-dalton-boson { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 20px; align-items: end; }
.vy-dalton-tachyon { position: relative; align-self: end; height: 540px; margin-bottom: -148px;
	display: flex; align-items: flex-end; justify-content: center; }
.vy-dalton-tachyon img { display: block; max-height: 100%; width: auto; max-width: 100%;
	object-fit: contain; object-position: bottom center;
	-webkit-mask-image: linear-gradient(to bottom, #000000 72%, rgba(0,0,0,0) 97%);
	        mask-image: linear-gradient(to bottom, #000000 72%, rgba(0,0,0,0) 97%); }
.vy-dalton-diode { position: absolute; left: -6px; bottom: 34%; display: inline-flex; flex-direction: column; gap: 1px;
	background: rgba(8,46,62,0.82); border: 1px solid rgba(255,255,255,0.16); border-left: 3px solid var(--camellia);
	border-radius: 9px; padding: 8px 14px; color: #ffffff; backdrop-filter: blur(4px); }
.vy-dalton-diode small { font-size: 0.68rem; color: #bcd0d7; }
.vy-dalton-diode strong { font-size: 0.94rem; font-weight: 800; }

.vy-meitner { padding-top: 0; }
.vy-rutherford { position: relative; z-index: 2; margin: -104px 0 46px; }
.vy-rutherford .vy-ampere { margin: 0; gap: 18px; align-items: stretch; }
.vy-volta { display: flex; flex-direction: column; border-radius: 16px; overflow: hidden;
	box-shadow: 0 14px 34px rgba(4,27,38,0.16); border-color: #d7e2e6; }
.vy-volta:hover { transform: translateY(-3px); transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s; }
.vy-volta-lepton { border-bottom: 0; background: #266077; }
.vy-volta-plasma { display: flex; flex-direction: column; flex: 1; padding: 14px 16px 4px; }
.vy-volta h3 { padding: 0; margin: 0 0 6px; font-size: 0.93rem; line-height: 1.45;
	display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
	min-height: calc(1.45em * 2); }
.vy-volta-epsilon { margin: 0 0 8px; font-size: 0.8rem; color: var(--graphite-soft); line-height: 1.5;
	display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
	min-height: calc(1.5em * 2); }
.vy-volta time { padding: 0; margin: auto 0 0; font-size: 0.72rem; color: var(--graphite-faint); }
button.vy-volta-comet { width: calc(100% - 32px); margin: 12px 16px 16px; padding: 12px 0; border: 0;
	cursor: pointer; font-family: inherit; font-size: 0.9rem; border-radius: 10px; }
.vy-rutherford-sigma { margin: 16px 0 0; font-size: 0.74rem; color: var(--graphite-faint); text-align: center; }

.vy-ohm-turbine { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
#vy-gauss .vy-meitner .vy-ohm-turbine a { display: flex; flex-direction: column; gap: 5px; text-decoration: none;
	background: var(--vellum); border: 1px solid var(--filament); border-radius: 14px; padding: 18px 18px 16px;
	color: var(--graphite); transition: border-color 0.18s, transform 0.18s; }
#vy-gauss .vy-meitner .vy-ohm-turbine a:hover { border-color: var(--camellia); transform: translateY(-2px); }
.vy-ohm-turbine strong { font-size: 0.98rem; font-weight: 800; color: var(--petrol); }
.vy-ohm-turbine span { font-size: 0.8rem; color: var(--graphite-soft); }
.vy-ohm-turbine a::after { content: "자세히 →"; margin-top: 8px; font-size: 0.74rem; font-weight: 700; color: var(--camellia-deep); }

.vy-hodgkin { margin: 58px calc(50% - 50vw); padding: 56px max(20px, calc(50vw - 410px)) 60px;
	background: #266077; color: #dceaef; text-align: center; }
.vy-hodgkin h2 { color: #ffffff; font-size: 1.65rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 10px; }
.vy-hodgkin > p { color: #aec3cb; margin: 0 0 26px; }
.vy-hodgkin > p strong { color: var(--camellia); }
.vy-hodgkin-turbine { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 0 0 28px; text-align: left; }
.vy-hodgkin-penumbra { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.11);
	border-radius: 16px; padding: 22px 24px; }
.vy-hodgkin-penumbra h3 { margin: 0 0 12px; font-size: 1.05rem; font-weight: 800; color: #ffffff; }
.vy-hodgkin-penumbra ul { margin: 0; padding: 0; list-style: none; }
.vy-hodgkin-penumbra li { position: relative; padding: 6px 0 6px 20px; font-size: 0.92rem; color: #c9dbe3; }
.vy-hodgkin-penumbra li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 8px; height: 8px;
	border-radius: 50%; background: var(--camellia); }
#vy-gauss .vy-meitner .vy-hodgkin a.vy-messier-cathode { color: #213740; }

@media (max-width: 900px) {
	.vy-dalton-muon .vy-dalton-boson { grid-template-columns: minmax(0, 1fr) 280px; }
	.vy-dalton-tachyon { height: 420px; }
	.vy-dalton h1 { font-size: 2.6rem; }
}
@media (max-width: 720px) {
	.vy-dalton-boson { padding-top: 44px; padding-bottom: 128px; }
	.vy-dalton-muon .vy-dalton-boson { grid-template-columns: 1fr; }
	.vy-dalton h1 { font-size: 2.1rem; }
	.vy-dalton-epsilon { font-size: 0.95rem; }
	.vy-dalton-tachyon { height: 300px; margin: 8px 0 -128px; }
	.vy-dalton-diode { left: 4px; bottom: 38%; padding: 6px 10px; }
	.vy-dalton .vy-fourier li { padding: 14px 10px 12px; }
	.vy-dalton .vy-fourier strong { font-size: 0.98rem; white-space: nowrap; }
	.vy-dalton .vy-fourier span { font-size: 0.7rem; }
	.vy-rutherford { margin-top: -92px; }
	.vy-rutherford .vy-ampere { grid-template-columns: repeat(2, 1fr); gap: 12px; }
	.vy-volta-plasma { padding: 11px 12px 2px; }
	.vy-volta h3 { font-size: 0.86rem; }
	button.vy-volta-comet { width: calc(100% - 24px); margin: 10px 12px 12px; font-size: 0.84rem; }
	.vy-ohm-turbine { grid-template-columns: 1fr 1fr; }
	.vy-hodgkin-turbine { grid-template-columns: 1fr; }
	.vy-hodgkin h2 { font-size: 1.35rem; }
}

.vy-hertz { background: #ffffff; }
.vy-pascal { max-width: 1100px; }
.vy-dalton-boson { max-width: 1100px; }
.vy-herschel { margin: 84px 0; }

.vy-herschel h2 { text-align: center; border-bottom: 0; padding-bottom: 0; margin: 0 0 12px;
	font-size: 1.95rem; font-weight: 900; letter-spacing: -0.035em; color: #19313a; line-height: 1.35; }
.vy-herschel > h2 + p { text-align: center; color: var(--graphite-soft); max-width: 640px;
	margin: 0 auto 34px; font-size: 0.98rem; line-height: 1.8; }

.vy-avogadro { max-width: 860px; margin-left: auto; margin-right: auto; }
.vy-avogadro.vy-salk-gamma, .vy-harvey.vy-salk-gamma { background: transparent; border: 0; padding: 0; }
.vy-avogadro.vy-salk-gamma { margin: 84px auto; }
.vy-meitner > section.vy-salk-gamma:last-of-type { margin-bottom: 84px; }

.vy-franklin { display: inline-block; width: 30px; height: 30px; background: var(--camellia);
	-webkit-mask: var(--m) center / contain no-repeat; mask: var(--m) center / contain no-repeat; }
.vy-franklin-anode { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 2 7v2h20V7L12 2zM4 11v7h3v-7H4zm6.5 0v7h3v-7h-3zM17 11v7h3v-7h-3zM2 20v2h20v-2H2z'/%3E%3C/svg%3E"); }
.vy-franklin-proton  { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm0 2a8 8 0 0 1 6.3 12.9L7.1 5.7A8 8 0 0 1 12 4zM5.7 7.1l11.2 11.2A8 8 0 0 1 5.7 7.1z'/%3E%3C/svg%3E"); }
.vy-franklin-aurora   { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 2v2H4a1 1 0 0 0-1 1v15a1 1 0 0 0 1 1h16a1 1 0 0 0 1-1V5a1 1 0 0 0-1-1h-3V2h-2v2H9V2H7zM5 9h14v10H5V9zm2 2v2h4v-2H7z'/%3E%3C/svg%3E"); }
.vy-franklin-alpha  { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a5 5 0 0 0-5 5v3H6a1 1 0 0 0-1 1v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V11a1 1 0 0 0-1-1h-1V7a5 5 0 0 0-5-5zm0 2a3 3 0 0 1 3 3v3H9V7a3 3 0 0 1 3-3zm0 9a2 2 0 0 1 1 3.7V19h-2v-2.3A2 2 0 0 1 12 13z'/%3E%3C/svg%3E"); }
.vy-franklin-psi   { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19 5 5 19l1.4 1.4 14-14L19 5zM7.5 4a3.5 3.5 0 1 0 0 7 3.5 3.5 0 0 0 0-7zm0 2a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3zm9 7a3.5 3.5 0 1 0 0 7 3.5 3.5 0 0 0 0-7zm0 2a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3z'/%3E%3C/svg%3E"); }
.vy-franklin-nadir  { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 6l6 6 4-4 6.6 6.6V11h2v7h-7v-2h3.6L13 10.8l-4 4L1.6 7.4 3 6z'/%3E%3C/svg%3E"); }
.vy-franklin-electron  { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 2 12h3v8h5v-6h4v6h5v-8h3L12 3z'/%3E%3C/svg%3E"); }
.vy-franklin-meson   { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 3a2 2 0 0 0-2 2v2H4a1 1 0 0 0-1 1v11a1 1 0 0 0 1 1h16a1 1 0 0 0 1-1V8a1 1 0 0 0-1-1h-3V5a2 2 0 0 0-2-2H9zm0 2h6v2H9V5zm-4 4h14v4H5V9zm0 6h14v3H5v-3z'/%3E%3C/svg%3E"); }
.vy-franklin-redshift { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 5h18v3H3V5zm0 5.5h11v3H3v-3zM3 16h7v3H3v-3zm14-4 4 4-4 4v-3h-4v-2h4v-3z'/%3E%3C/svg%3E"); }
.vy-franklin-refract   { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1h-6v2h3v2H7v-2h3v-2H4a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1zm1 2v9h14V6H5z'/%3E%3C/svg%3E"); }
.vy-franklin-galaxy  { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm-1.2 14.6-4.4-4.4 1.4-1.4 3 3 6-6 1.4 1.4-7.4 7.4z'/%3E%3C/svg%3E"); }

.vy-heisenberg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.vy-heisenberg > div { background: #266077; border-radius: 18px; padding: 28px 22px 26px; text-align: center;
	display: flex; flex-direction: column; align-items: center; gap: 8px; box-shadow: 0 12px 28px rgba(4,27,38,0.14); }
.vy-heisenberg strong { color: #ffffff; font-size: 1.05rem; font-weight: 800; letter-spacing: -0.02em; margin-top: 6px; }
.vy-heisenberg span { color: #aec3cb; font-size: 0.82rem; line-height: 1.6; }

.vy-ohm-turbine { gap: 14px; margin-top: 0; }
#vy-gauss .vy-meitner .vy-ohm-turbine a { background: #f3f7f9; border-color: #eaf0f3; border-radius: 16px; padding: 24px 22px 20px; }
#vy-gauss .vy-meitner .vy-ohm-turbine a:hover { background: #ffffff; }
.vy-ohm-turbine strong { font-size: 1.02rem; color: #19313a; }
#vy-gauss .vy-meitner a.vy-kelvin { display: block; margin: 18px 0 0; padding: 18px 20px; border-radius: 14px; text-align: center;
	background: #266077; color: #ffffff; font-weight: 800; font-size: 1rem; text-decoration: none; letter-spacing: -0.01em;
	transition: background 0.18s; }
#vy-gauss .vy-meitner a.vy-kelvin:hover { background: #274956; color: #ffffff; }
#vy-gauss .vy-meitner a.vy-kelvin::after { content: " →"; color: var(--camellia); }

.vy-halley-turbine { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.vy-halley { border: 1px solid #e5ecee; border-radius: 16px; overflow: hidden; background: #ffffff;
	box-shadow: 0 8px 22px rgba(4,27,38,0.07); transition: transform 0.18s, box-shadow 0.18s; }
.vy-halley:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(4,27,38,0.12); }
.vy-halley-omicron { position: relative; background: linear-gradient(140deg, #327590 0%, #23586d 100%); color: #ffffff;
	padding: 18px 18px 22px; min-height: 118px; display: flex; flex-direction: column; gap: 2px; }
.vy-halley-corona { align-self: flex-start; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em; color: #1a3540;
	background: var(--camellia); border-radius: 999px; padding: 3px 9px; margin-bottom: 10px; }
.vy-halley-omicron strong { font-size: 1.12rem; font-weight: 800; color: #ffffff; }
.vy-halley-omicron small { font-size: 0.8rem; color: #bcd0d7; }
.vy-halley-sonar { position: absolute; right: 14px; bottom: -22px; width: 66px; height: 66px; border-radius: 50%;
	background: var(--camellia); color: #213740; display: flex; flex-direction: column; align-items: center; justify-content: center;
	font-size: 1.12rem; font-weight: 900; line-height: 1.1; border: 3px solid #ffffff; box-shadow: 0 6px 14px rgba(4,27,38,0.22); }
.vy-halley-sonar em { font-style: normal; font-size: 0.58rem; font-weight: 700; }
.vy-halley dl { margin: 0; padding: 30px 18px 16px; }
.vy-halley dl > div { display: flex; justify-content: space-between; align-items: baseline; padding: 7px 0;
	border-bottom: 1px dashed #e5ecee; }
.vy-halley dl > div:last-child { border-bottom: 0; }
.vy-halley dt { font-size: 0.78rem; color: var(--graphite-soft); }
.vy-halley dd { margin: 0; font-size: 0.92rem; font-weight: 700; color: #19313a; font-variant-numeric: tabular-nums; }
.vy-halley dd.vy-halley-cluster { font-size: 1.12rem; font-weight: 900; color: #0f6680; }
#perseus .vy-chandra { margin-top: 20px; text-align: center; }

.vy-hodgkin { margin: 84px calc(50% - 50vw); padding: 70px max(20px, calc(50vw - 460px)) 72px; background: #255b71; }
.vy-hodgkin h2 { font-size: 1.95rem; font-weight: 900; }
.vy-hodgkin-penumbra { border-radius: 18px; padding: 26px 28px; }

#libra .vy-kepler { max-width: 860px; margin: 0 auto; }
.vy-kepler details { border-radius: 12px; margin-bottom: 8px; border-color: #e7edf0; }
.vy-kepler summary { font-weight: 700; color: #19313a; }
.vy-kepler summary:hover { background: #f6f8fb; }

.vy-laplace-boson { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: start; max-width: 860px; margin: 0 auto; }
.vy-laplace-muon .vy-laplace-boson { grid-template-columns: 340px minmax(0, 1fr); max-width: none; }
.vy-laplace-entropy { position: sticky; top: 24px; border-radius: 18px; overflow: hidden; height: 620px;
	background: linear-gradient(180deg, #1e5a70 0%, #255b71 100%); display: flex; align-items: flex-end; justify-content: center; }
.vy-laplace-entropy img { display: block; width: auto; max-width: 112%; max-height: 96%; object-fit: contain; object-position: bottom center; }
.vy-laplace ol { list-style: none; margin: 0; padding: 0; }
.vy-laplace li { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid #eaf0f3; }
.vy-laplace li:first-child { padding-top: 0; }
.vy-laplace li > span { flex: 0 0 44px; height: 44px; border-radius: 50%; background: #266077; color: #ffffff;
	font-size: 0.82rem; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.vy-laplace li strong { display: block; font-size: 1.04rem; font-weight: 800; color: #0f6680; margin-bottom: 4px; }
.vy-laplace li p { margin: 0; font-size: 0.9rem; color: var(--graphite-soft); line-height: 1.75; }

.vy-galileo { margin: 84px calc(50% - 50vw); padding: 70px max(20px, calc(50vw - 540px)) 76px; background: #255b71; text-align: center; }
.vy-galileo h2 { color: #ffffff; font-size: 1.95rem; font-weight: 900; letter-spacing: -0.035em; margin: 0 0 12px; }
.vy-galileo > p { color: #aec3cb; margin: 0 0 36px; font-size: 0.96rem; }
.vy-galileo-turbine { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; text-align: left; }
.vy-galileo-turbine > div { background: #1e3d4a; border: 1px solid rgba(255,255,255,0.07); border-radius: 16px;
	padding: 24px 24px 22px; display: flex; flex-direction: column; gap: 6px; }
.vy-galileo-turbine .vy-franklin { width: 26px; height: 26px; margin-bottom: 8px; }
.vy-galileo-turbine strong { color: #ffffff; font-size: 1.02rem; font-weight: 800; }
.vy-galileo-turbine span { color: #a4bbc4; font-size: 0.84rem; line-height: 1.6; }

.vy-newton { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 0; background: #f3f7f9; border-radius: 20px; overflow: hidden; }
.vy-newton-entropy { background: linear-gradient(180deg, #1e5a70 0%, #255b71 100%); display: flex; align-items: flex-end; justify-content: center; min-height: 360px; }
.vy-newton-entropy img { display: block; max-height: 380px; width: auto; max-width: 110%; object-fit: contain; object-position: bottom center; }
.vy-newton-plasma { padding: 44px 46px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.vy-newton-plasma h2 { text-align: left; font-size: 1.6rem; margin: 0 0 14px; }
.vy-newton-plasma p { margin: 0 0 18px; color: var(--graphite-soft); line-height: 1.85; }
.vy-newton-gyro { display: flex; flex-direction: column; gap: 2px; padding-left: 14px; border-left: 3px solid var(--camellia); }
.vy-newton-gyro small { font-size: 0.78rem; color: var(--graphite-faint); }
.vy-newton-gyro strong { font-size: 1.05rem; font-weight: 800; color: #19313a; }

.vy-raman { background: #1d485a; color: #94b0bb; border-top: 0; }
.vy-raman a { color: #d2e5ed; }
.vy-raman p { color: #94b0bb; }

@media (max-width: 900px) {
	.vy-heisenberg { grid-template-columns: repeat(2, 1fr); }
	.vy-halley-turbine { grid-template-columns: repeat(2, 1fr); }
	.vy-laplace-muon .vy-laplace-boson { grid-template-columns: 1fr; }
	.vy-laplace-entropy { position: static; height: 340px; }
}
@media (max-width: 720px) {
	.vy-herschel { margin: 60px 0; }
	.vy-herschel h2, .vy-hodgkin h2, .vy-galileo h2 { font-size: 1.45rem; }
	.vy-herschel > h2 + p { font-size: 0.92rem; margin-bottom: 26px; }
	.vy-heisenberg { gap: 10px; }
	.vy-heisenberg > div { padding: 22px 14px 20px; }
	.vy-heisenberg strong { font-size: 0.95rem; }
	.vy-halley-turbine { gap: 10px; }
	.vy-halley-omicron { padding: 14px 14px 20px; min-height: 108px; }
	.vy-halley-sonar { width: 56px; height: 56px; font-size: 0.98rem; right: 10px; }
	.vy-halley dl { padding: 28px 14px 12px; }
	.vy-halley dd.vy-halley-cluster { font-size: 1rem; }
	.vy-galileo-turbine { grid-template-columns: 1fr 1fr; gap: 10px; }
	.vy-galileo-turbine > div { padding: 18px 16px; }
	.vy-newton { grid-template-columns: 1fr; }
	.vy-newton-entropy { min-height: 260px; }
	.vy-newton-entropy img { max-height: 280px; }
	.vy-newton-plasma { padding: 30px 24px; }
	.vy-hodgkin, .vy-galileo { margin-top: 60px; margin-bottom: 60px; padding-top: 50px; padding-bottom: 54px; }
}

.vy-bohr { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: left; }
.vy-bohr.vy-hawking { grid-template-columns: repeat(3, 1fr); }
.vy-bohr.vy-feynman { grid-template-columns: repeat(5, 1fr); gap: 14px; }
.vy-bohr > article { background: #ffffff; border: 1px solid #e5ecee; border-top: 3px solid var(--camellia);
	border-radius: 16px; padding: 22px 20px 20px; box-shadow: 0 8px 22px rgba(4,27,38,0.06); }
.vy-bohr h3 { margin: 0 0 12px; font-size: 1.02rem; font-weight: 800; letter-spacing: -0.02em;
	color: #19313a; line-height: 1.45; border: 0; padding: 0; }
.vy-bohr ul { list-style: none; margin: 0; padding: 0; }
.vy-bohr li { position: relative; margin: 7px 0 0; padding-left: 15px; font-size: 0.9rem;
	line-height: 1.65; color: #4a5e66; }
.vy-bohr li::before { content: ""; position: absolute; left: 0; top: 0.68em; width: 6px; height: 6px;
	border-radius: 50%; background: var(--camellia); }
.vy-herschel > .vy-bohr + .vy-chandra { text-align: center; margin-top: 18px; }

.vy-lagrange { list-style: none; margin: 0 0 8px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.vy-lagrange li { position: relative; background: #f3f7f9; border: 1px solid #eaf0f3; border-radius: 14px;
	padding: 16px 18px 15px 46px; font-size: 0.9rem; line-height: 1.65; color: #4a5e66; }
.vy-lagrange li::before { content: ""; position: absolute; left: 16px; top: 17px; width: 20px; height: 20px;
	background: var(--camellia-deep);
	-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm-1.2 14.6-4.4-4.4 1.4-1.4 3 3 6-6 1.4 1.4-7.4 7.4z'/%3E%3C/svg%3E") center / contain no-repeat;
	mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm-1.2 14.6-4.4-4.4 1.4-1.4 3 3 6-6 1.4 1.4-7.4 7.4z'/%3E%3C/svg%3E") center / contain no-repeat; }
.vy-lagrange strong { display: block; color: #19313a; font-size: 0.96rem; font-weight: 800; margin-bottom: 2px; }

.vy-hilbert { list-style: none; margin: 0 0 8px; padding: 0; counter-reset: qn; }
.vy-hilbert li { counter-increment: qn; position: relative; padding: 16px 0 16px 56px;
	border-bottom: 1px solid #eaf0f3; font-size: 0.92rem; line-height: 1.7; color: #4a5e66; }
.vy-hilbert li:last-child { border-bottom: 0; }
.vy-hilbert li::before { content: counter(qn); position: absolute; left: 0; top: 16px; width: 38px; height: 38px;
	border-radius: 50%; background: #266077; color: var(--camellia); font-weight: 900; font-size: 1rem;
	display: flex; align-items: center; justify-content: center; }
.vy-hilbert strong { display: block; color: #19313a; font-size: 1rem; font-weight: 800; }

.vy-minkowski { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
#vy-gauss .vy-meitner .vy-minkowski a { display: block; padding: 13px 16px; border: 1px solid #e5ecee; border-radius: 12px;
	background: #ffffff; color: #1b2a31; font-size: 0.9rem; font-weight: 700; text-decoration: none; letter-spacing: -0.01em;
	transition: border-color 0.16s, background 0.16s; }
#vy-gauss .vy-meitner .vy-minkowski a:hover { border-color: var(--camellia); background: #fff6f7; }

.vy-avogadro .vy-goodall-omega + p:not(.vy-chandra) { margin-top: 16px; font-size: 0.95rem; line-height: 1.85; color: #4a5e66; }

@media (max-width: 900px) {
	.vy-bohr, .vy-bohr.vy-feynman { grid-template-columns: repeat(2, 1fr); }
	.vy-bohr.vy-hawking { grid-template-columns: repeat(2, 1fr); }
	.vy-minkowski { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
	.vy-lagrange { grid-template-columns: 1fr; }
	.vy-minkowski { grid-template-columns: repeat(2, 1fr); gap: 8px; }
	#vy-gauss .vy-meitner .vy-minkowski a { padding: 11px 12px; font-size: 0.85rem; }
}
@media (max-width: 480px) {
	.vy-bohr, .vy-bohr.vy-hawking, .vy-bohr.vy-feynman { grid-template-columns: 1fr; }
}

.vy-fleming .vy-rayleigh { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; overflow: visible; }
.vy-fleming .vy-jenner { flex: none; min-width: 0; }
.vy-fleming .vy-jenner-lepton { border-radius: 16px; box-shadow: 0 12px 28px rgba(4,27,38,0.14); }
.vy-fleming .vy-jenner-theta { width: 68px; height: 48px; border-radius: 16px; background: rgba(230,33,23,0.94); }
.vy-fleming .vy-jenner:hover .vy-jenner-theta { background: #ff2a1f; }
.vy-fleming .vy-jenner strong { margin-top: 12px; font-size: 1rem; text-align: center; }
@media (max-width: 720px) {
	.vy-fleming .vy-rayleigh { gap: 12px; }
	.vy-fleming .vy-jenner-theta { width: 46px; height: 32px; border-radius: 10px; }
	.vy-fleming .vy-jenner strong { font-size: 0.82rem; margin-top: 8px; }
}

.vy-kirchhoff { display: none; }
@media (min-width: 1480px) {
	html.vy-koch-vortex #vy-gauss { padding-right: 400px; }
	html.vy-koch-vortex .vy-kirchhoff { display: flex; flex-direction: column; position: fixed; top: 0; right: 0; bottom: 0; width: 400px;
		background: #ffffff; border-left: 1px solid #e5ecee; box-shadow: -12px 0 32px rgba(4,27,38,0.10); z-index: 90; overflow-y: auto; }
	.admin-bar .vy-kirchhoff { top: 32px; }
	html.vy-koch-vortex .vy-brahe-nova { display: none; }
	.vy-kirchhoff-neutron { background: #266077; color: #ffffff; text-align: center; padding: 22px 16px 20px; border-bottom: 3px solid var(--camellia); flex: none; }
	.vy-kirchhoff-neutron small { display: block; font-size: 0.78rem; color: #aec3cb; letter-spacing: 0.02em; margin-bottom: 4px; }
	.vy-kirchhoff-neutron strong { font-size: 1.18rem; font-weight: 900; letter-spacing: -0.03em; }
	.vy-kirchhoff-plasma { padding: 16px 8px 28px; }
	.vy-kirchhoff-perigee, .vy-kirchhoff-meteor, .vy-kirchhoff-sigma { margin-left: 8px; margin-right: 8px; }
	.vy-kirchhoff-perigee { display: flex; justify-content: space-between; align-items: center; margin-top: 0; margin-bottom: 12px; padding: 9px 14px;
		border: 1px solid #e5ecee; border-radius: 999px; font-size: 0.78rem; color: #4a5e66; }
	.vy-kirchhoff-perigee em { font-style: normal; font-weight: 800; color: #19313a; }
	.vy-kirchhoff-perigee .vy-doppler-lambda { margin-right: 6px; vertical-align: middle; }
	.vy-kirchhoff-meteor { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
	#vy-gauss .vy-kirchhoff-meteor a { display: block; text-align: center; padding: 12px 6px; border-radius: 12px; font-size: 0.9rem; font-weight: 800;
		text-decoration: none; border: 1px solid #e5ecee; color: #19313a; background: #ffffff; }
	#vy-gauss .vy-kirchhoff-meteor a + a { background: var(--camellia); border-color: var(--camellia); color: #06212d; }
	#vy-gauss .vy-kirchhoff-meteor a:hover { border-color: var(--camellia-deep); }
	.vy-kirchhoff-neutrino { border-top: 1px solid #eaf0f3; padding-top: 6px; }
	.vy-kirchhoff-sigma { margin-top: 12px; margin-bottom: 0; font-size: 0.72rem; line-height: 1.65; color: #7d8f96; text-align: center; }
}

.vy-meitner .vy-avogadro, .vy-meitner .vy-harvey, .vy-meitner .vy-avogadro.vy-salk-gamma { max-width: none; width: 100%; }
#libra .vy-kepler, .vy-laplace-boson { max-width: none; }
.vy-meitner .vy-maxwell, .vy-meitner .vy-maxwell-delta { max-width: none; width: 100%; }
.vy-avogadro .vy-maxwell img, .vy-meitner .vy-maxwell:not(.vy-maxwell-delta) img { max-width: 820px; margin: 0 auto; }
.vy-hodgkin   { padding-left: max(20px, calc(50vw - 530px)); padding-right: max(20px, calc(50vw - 530px)); }
.vy-galileo { padding-left: max(20px, calc(50vw - 530px)); padding-right: max(20px, calc(50vw - 530px)); }
.vy-herschel > h2 + p { max-width: 720px; }

.vy-hopper-plasma .vy-celsius { margin: 0 0 26px; padding: 18px 20px; background: #f3f7f9; border: 1px solid #e4ebed; border-radius: 14px;
	color: var(--graphite); font-size: 1.02rem; line-height: 1.85; }
.vy-hopper-plasma .vy-curie { margin: 22px 0; padding: 16px 18px; background: var(--camellia-wash); border-left: 4px solid var(--camellia);
	border-radius: 12px; color: var(--graphite); font-size: 0.96rem; line-height: 1.8; }
.vy-hopper-plasma .vy-riemann { margin: 36px 0 0; padding: 20px 22px 8px; border: 1px solid var(--filament); border-radius: 14px; background: var(--vellum); }
.vy-hopper-plasma .vy-riemann > p { margin: 0 0 10px; font-weight: 800; color: var(--petrol); }
.vy-hopper-plasma .vy-chandra { margin: 18px 0 0; }

#vy-gauss .vy-meitner .vy-ohm-turbine > .vy-ohm-azimuth { display: flex; flex-direction: column; gap: 5px;
	background: #f3f7f9; border: 1px solid #eaf0f3; border-radius: 16px; padding: 24px 22px 20px; color: var(--graphite); }
.vy-poincare { margin: 14px 0 0; font-size: 0.92rem; font-weight: 700; }
#vy-gauss .vy-meitner .vy-poincare a { color: var(--camellia-deep); text-decoration: none; border-bottom: 1px solid rgba(179,58,75,0.35); }
#vy-gauss .vy-meitner .vy-poincare a:hover { border-bottom-color: var(--camellia-deep); }
.vy-harvey > .vy-poincare, .vy-herschel > .vy-poincare { text-align: left; }

:root {
	--graphite: #16232a; --graphite-soft: #4a5a62; --graphite-faint: #86979f;
	--petrol: #1680a0; --petrol-soft: #52a8c6; --trench: #06212d;
	--camellia: #e45c6c; --camellia-deep: #b33a4b; --camellia-wash: #fdeaec;
	--frost: #f4f7f9; --filament: #dae4e9;
}
.vy-hertz { background: #ffffff; }
.vy-pasteur { background: #ffffff; border-bottom: 1px solid var(--filament); }
.vy-pasteur .vy-carson { color: var(--graphite-faint); }
.vy-pasteur .vy-pasteur-spectra a { color: var(--graphite); border: 1px solid #d9e6eb; background: #ffffff; }
.vy-pasteur .vy-pasteur-spectra a:hover { color: #ffffff; background: var(--petrol); border-color: var(--petrol); }

.vy-dalton { color: var(--graphite);
	background: radial-gradient(680px 420px at 82% 18%, rgba(22,128,160,0.16) 0%, rgba(22,128,160,0) 70%),
	            radial-gradient(520px 360px at 8% 92%, rgba(228,92,108,0.14) 0%, rgba(228,92,108,0) 70%),
	            linear-gradient(180deg, #eff9fd 0%, #f7fbfd 62%, #ffffff 100%); }
.vy-dalton::before { content: none; }
.vy-dalton-maser { color: var(--petrol); background: #ffffff; border: 1px solid #dcf0f8; box-shadow: 0 4px 14px rgba(22,128,160,0.08); }
.vy-dalton h1 { color: var(--graphite); }
.vy-dalton h1 span { color: var(--petrol); background: linear-gradient(transparent 64%, rgba(228,92,108,0.42) 64%); padding: 0 2px; }
.vy-dalton-epsilon { color: var(--graphite-soft); }
.vy-messier-cathode, #vy-gauss .vy-meitner a.vy-messier-cathode, #vy-gauss .vy-meitner .vy-hodgkin a.vy-messier-cathode { background: var(--petrol); color: #ffffff; box-shadow: 0 8px 20px rgba(22,128,160,0.26); }
.vy-messier-cathode:hover, #vy-gauss .vy-meitner a.vy-messier-cathode:hover { background: #106a86; color: #ffffff; }
.vy-messier-wavelength { background: #ffffff; color: var(--graphite); border: 1px solid #d2e4eb; }
.vy-messier-wavelength:hover { background: #f3fbfd; color: var(--graphite); }
.vy-messier-diffract { background: var(--trench); }
.vy-messier-diffract:hover { background: #0a3040; }
.vy-dalton .vy-fourier { background: #ffffff; border: 1px solid var(--filament); box-shadow: 0 10px 28px rgba(22,35,42,0.07); }
.vy-dalton .vy-fourier li + li, .vy-fourier li + li { border-left: 1px solid var(--filament); }
.vy-dalton .vy-fourier strong { color: var(--graphite); }
.vy-dalton .vy-fourier span { color: var(--graphite-faint); }
.vy-dalton-diode { background: rgba(255,255,255,0.94); border: 1px solid var(--filament); border-left: 3px solid var(--camellia); color: var(--graphite);
	box-shadow: 0 8px 22px rgba(22,35,42,0.12); }
.vy-dalton-diode small { color: var(--graphite-faint); }

.vy-volta { border: 1px solid var(--filament); box-shadow: 0 12px 30px rgba(22,35,42,0.10); }
.vy-volta-lepton { background: var(--trench); }
.vy-volta h3 a, #vy-gauss .vy-meitner .vy-volta h3 a { color: var(--graphite); }

.vy-herschel h2 { color: var(--graphite); }
.vy-heisenberg > div { background: #ffffff; border: 1px solid var(--filament); box-shadow: 0 8px 24px rgba(22,35,42,0.06); }
.vy-heisenberg .vy-franklin { background: var(--petrol); }
.vy-heisenberg strong { color: var(--graphite); }
.vy-heisenberg span { color: var(--graphite-soft); }
#vy-gauss .vy-meitner a.vy-kelvin { background: linear-gradient(90deg, #1680a0, #2a90b0); color: #ffffff; box-shadow: 0 8px 22px rgba(22,128,160,0.22); }
#vy-gauss .vy-meitner a.vy-kelvin:hover { background: linear-gradient(90deg, #106a86, #147a98); color: #ffffff; }
#vy-gauss .vy-meitner a.vy-kelvin::after { color: var(--camellia); }
#vy-gauss .vy-meitner .vy-ohm-turbine > .vy-ohm-azimuth { background: #ffffff; border: 1px solid var(--filament); box-shadow: 0 6px 18px rgba(22,35,42,0.05); }
.vy-ohm-turbine strong { color: var(--graphite); }

.vy-hodgkin, .vy-galileo { background: radial-gradient(760px 420px at 85% 0%, rgba(22,128,160,0.38) 0%, rgba(22,128,160,0) 70%), var(--trench); }
.vy-hodgkin-penumbra { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); }
.vy-galileo-turbine > div { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.10); }
.vy-hodgkin > p, .vy-galileo > p { color: #b9d2db; }
.vy-galileo-turbine span, .vy-hodgkin-penumbra li { color: #c7dae2; }

.vy-halley-omicron { background: linear-gradient(140deg, #1680a0 0%, #277798 100%); }
.vy-halley-sonar { background: var(--camellia); color: var(--trench); }
.vy-halley dd.vy-halley-cluster { color: var(--petrol); }
.vy-laplace li > span { background: #ecf8fd; color: var(--petrol); }
.vy-laplace li strong { color: var(--graphite); }
.vy-laplace-entropy, .vy-newton-entropy { background: linear-gradient(180deg, #ecf8fc 0%, #d9f1fa 100%); }
.vy-hilbert li::before { background: #ecf8fd; color: var(--petrol); }
.vy-edison-zeta span { background: linear-gradient(90deg, var(--petrol-soft), var(--petrol)); }
.vy-goodall th { color: var(--graphite); background: #f4f9fb; }
.vy-mendel-turbine > div { border-left-color: var(--petrol); }
.vy-kepler summary { color: var(--graphite); }

.vy-raman { background: var(--trench); color: #94acb6; }
.vy-raman a { color: #d6e6ed; }
.vy-raman p { color: #94acb6; }
.vy-brahe-nova { background: rgba(255,255,255,0.96); border-top: 1px solid var(--filament); backdrop-filter: blur(6px); }
.vy-brahe-nova a { background: var(--petrol); color: #ffffff; }
.vy-brahe-nova a:hover { background: #106a86; }
.vy-kirchhoff-neutron { background: linear-gradient(140deg, #1680a0 0%, #277798 100%); }
#vy-gauss .vy-kirchhoff-meteor a + a { background: var(--petrol); border-color: var(--petrol); color: #ffffff; }
.vy-babbage { background: rgba(6,33,45,0.96); }
.vy-dalton { border-top: 0; }