/* Web de OptiGas: Tinta (negro del logo) con el ámbar como único acento */
:root {
	--tinta: #181716;
	--tinta-2: #211f1d;
	--tinta-3: #2c2926;
	--papel: #f4efe6;
	--gris: #a39b8f;
	--linea: #3a3631;
	--ambar: #F79E02;
	--verde: #6fd39a;
	--rojo: #f08a7a;
	--radio: 20px;
	--letra: "SF Pro Display", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	color-scheme: dark;
}

:where(*, *::before, *::after) { box-sizing: border-box; }
:where(h1, h2, h3, p, ul, figure) { margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
	margin: 0;
	background: var(--tinta);
	color: var(--papel);
	font: 400 17px/1.6 var(--letra);
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.ambar { color: var(--ambar); }

.contenedor { width: min(1160px, 100% - 40px); margin-inline: auto; }
.contenedor--estrecho { width: min(760px, 100% - 40px); }

/* Cabecera */
.cabecera {
	position: sticky; top: 0; z-index: 10;
	background: color-mix(in srgb, var(--tinta) 82%, transparent);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid color-mix(in srgb, var(--linea) 60%, transparent);
}
.admin-bar .cabecera { top: 32px; }
.cabecera__dentro { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.marca img { width: 150px; }
.menu { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.menu a { text-decoration: none; color: var(--gris); transition: color .2s; }
.menu a:hover { color: var(--papel); }
.menu .menu__boton { color: var(--tinta); background: var(--ambar); padding: 10px 18px; border-radius: 999px; font-weight: 700; }
.menu .menu__boton:hover { color: var(--tinta); }
@media (max-width: 720px) {
	.menu a:not(.menu__boton) { display: none; }
	.marca img { width: 120px; }
}

/* Textos comunes */
.antetitulo { color: var(--ambar); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
h1 { font-size: clamp(42px, 7.4vw, 88px); line-height: .98; letter-spacing: -.035em; font-weight: 800; }
h2 { font-size: clamp(32px, 4.6vw, 54px); line-height: 1.05; letter-spacing: -.03em; font-weight: 800; max-width: 18ch; }
h3 { font-size: 22px; line-height: 1.2; letter-spacing: -.01em; margin-bottom: 8px; }
.entradilla { font-size: clamp(18px, 2vw, 21px); color: #d6cfc3; max-width: 34ch; margin-top: 22px; }

.botones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.boton {
	display: inline-flex; align-items: center; min-height: 52px; padding: 0 26px;
	border-radius: 999px; background: var(--ambar); color: var(--tinta);
	font-weight: 800; text-decoration: none;
	transition: transform .25s cubic-bezier(.2, .8, .2, 1), box-shadow .25s;
	box-shadow: 0 10px 30px -10px rgba(247, 158, 2, .6);
}
.boton:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(247, 158, 2, .75); }
.boton:active { transform: translateY(0) scale(.98); }
.boton--fantasma { background: transparent; color: var(--gris); border: 1px solid var(--linea); box-shadow: none; font-weight: 600; }
.boton--fantasma:hover { transform: none; box-shadow: none; }

/* Portada */
.portada { position: relative; padding: clamp(48px, 9vw, 110px) 0 clamp(56px, 8vw, 100px); }
.portada::before {
	content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
	background: radial-gradient(closest-side, rgba(247, 158, 2, .16), transparent);
	pointer-events: none;
}
.portada__dentro { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
@media (max-width: 900px) { .portada__dentro { grid-template-columns: 1fr; } }

/* Móvil dibujado */
.movil {
	justify-self: center; width: min(360px, 100%);
	padding: 12px; border-radius: 46px;
	background: linear-gradient(160deg, #3a3631, #141312);
	box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px #4a4540 inset;
	transform: rotate(-3deg);
}
.movil__pantalla { border-radius: 36px; background: #1b1918; overflow: hidden; padding: 18px 14px 0; font-size: 13px; }
.movil__barra { display: flex; justify-content: space-between; align-items: baseline; padding: 4px 6px 12px; }
.movil__barra strong { font-size: 22px; letter-spacing: -.02em; }
.movil__barra span { color: var(--gris); font-size: 12px; }
.pildoras { display: flex; gap: 6px; }
.pildoras span { flex: 1; text-align: center; padding: 8px 0; border-radius: 999px; border: 1px solid var(--linea); color: var(--gris); font-weight: 600; font-size: 12px; }
.pildoras .activa { background: var(--ambar); border-color: var(--ambar); color: var(--tinta); }
.movil__nota { color: var(--gris); font-size: 11.5px; margin: 14px 6px 4px; }
.filas { list-style: none; }
.fila { display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: center; padding: 11px 6px; border-bottom: 1px solid #2a2724; }
.letra { width: 30px; height: 30px; border-radius: 9px; background: var(--tinta-3); display: grid; place-items: center; font-weight: 800; font-size: 12px; }
.fila__datos b { display: block; font-size: 14px; }
.fila__datos small { display: block; color: var(--gris); font-size: 11px; }
.barra { display: block; height: 5px; margin-top: 7px; border-radius: 9px; background: #2e2b28; position: relative; overflow: hidden; }
.barra::after {
	content: ""; position: absolute; inset: 0 auto 0 0; width: calc(var(--ahorro) * 100%);
	background: var(--verde); border-radius: inherit;
	transform-origin: left; transform: scaleX(0);
	transition: transform 1.1s cubic-bezier(.2, .8, .2, 1);
}
.fila--cara .barra::after { background: var(--rojo); }
.fila__precio { position: relative; display: grid; justify-items: end; gap: 4px; }
.precio { border: 1.5px solid currentColor; border-radius: 999px; padding: 3px 10px; font-weight: 800; font-size: 13px; font-variant-numeric: tabular-nums; }
.precio--verde { color: var(--verde); }
.precio--ambar { color: var(--ambar); }
.precio--rojo { color: var(--rojo); }
.ahorro { font-style: normal; font-weight: 700; font-size: 12px; color: var(--verde); }
.ahorro--rojo { color: var(--rojo); }
.boli { position: absolute; top: -12px; right: -14px; width: 92px; overflow: visible; }
.boli path { fill: none; stroke: var(--papel); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 330; stroke-dashoffset: 330; transition: stroke-dashoffset 1s .9s ease-out; }
.movil__pestanas { display: flex; justify-content: space-around; padding: 14px 0 16px; margin-top: 6px; color: var(--gris); font-size: 11px; }
.movil__pestanas .activa { color: var(--ambar); font-weight: 700; }
.movil.visto .barra::after { transform: scaleX(1); }
.movil.visto .fila:nth-child(2) .barra::after { transition-delay: .12s; }
.movil.visto .fila:nth-child(3) .barra::after { transition-delay: .24s; }
.movil.visto .fila:nth-child(4) .barra::after { transition-delay: .36s; }
.movil.visto .fila:nth-child(5) .barra::after { transition-delay: .48s; }
.movil.visto .boli path { stroke-dashoffset: 0; }

/* Cifras */
.cifras { border-block: 1px solid var(--linea); background: var(--tinta-2); }
.cifras__dentro { display: grid; grid-template-columns: repeat(4, 1fr); }
.cifra { padding: 34px 24px; border-left: 1px solid var(--linea); }
.cifra:first-child { border-left: 0; padding-left: 0; }
.cifra b { display: block; font-size: clamp(40px, 5vw, 60px); line-height: 1; letter-spacing: -.04em; color: var(--ambar); font-variant-numeric: tabular-nums; }
.cifra span { display: block; margin-top: 10px; color: var(--gris); font-size: 15px; max-width: 22ch; }
@media (max-width: 860px) {
	.cifras__dentro { grid-template-columns: 1fr 1fr; }
	.cifra { padding: 26px 0 26px 20px; }
	.cifra:nth-child(odd) { border-left: 0; padding-left: 0; }
	.cifra:nth-child(n+3) { border-top: 1px solid var(--linea); }
}

/* Secciones */
.seccion { padding: clamp(72px, 11vw, 140px) 0; }
.rejilla { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 48px; }
.pieza {
	grid-column: span 2; position: relative; overflow: hidden;
	background: var(--tinta-2); border: 1px solid var(--linea); border-radius: var(--radio);
	padding: 28px; min-height: 240px; display: flex; flex-direction: column;
	transition: border-color .3s, transform .4s cubic-bezier(.2, .8, .2, 1);
}
.pieza:hover { border-color: #5a544c; transform: translateY(-3px); }
.pieza p { color: #cfc8bc; max-width: 40ch; }
.pieza--grande { grid-column: span 4; grid-row: span 2; }
.pieza--ancha { grid-column: span 6; min-height: 0; }
.pieza--grande h3 { font-size: clamp(26px, 3vw, 34px); }
@media (max-width: 900px) {
	.rejilla { grid-template-columns: 1fr; }
	.pieza, .pieza--grande, .pieza--ancha { grid-column: auto; grid-row: auto; min-height: 0; }
}

.mini-barras { margin-top: auto; padding-top: 36px; display: grid; gap: 14px; }
.mini-barras i { display: block; height: 14px; border-radius: 9px; background: #2e2b28; position: relative; overflow: hidden; }
.mini-barras i::after { content: ""; position: absolute; inset: 0; width: calc(var(--a) * 100%); background: var(--verde); border-radius: inherit; transform: scaleX(0); transform-origin: left; transition: transform 1.2s cubic-bezier(.2, .8, .2, 1); }
.mini-barras i:last-child::after { background: var(--rojo); }
.visto .mini-barras i::after { transform: scaleX(1); }
.visto .mini-barras i:nth-child(2)::after { transition-delay: .15s; }
.visto .mini-barras i:nth-child(3)::after { transition-delay: .3s; }
.visto .mini-barras i:nth-child(4)::after { transition-delay: .45s; }

.tren { margin-top: auto; padding-top: 28px; display: flex; align-items: center; justify-content: space-between; position: relative; }
.tren::before { content: ""; position: absolute; left: 6px; right: 6px; top: calc(28px + 7px); height: 2px; background: var(--linea); }
.tren i { width: 16px; height: 16px; border-radius: 50%; background: var(--tinta-2); border: 2px solid var(--ambar); position: relative; }
.tren::after { content: ""; position: absolute; top: calc(28px + 3px); left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--ambar); box-shadow: 0 0 14px var(--ambar); animation: tren 4s ease-in-out infinite; }
@keyframes tren { 0% { left: 3px; } 50% { left: calc(100% - 13px); } 100% { left: 3px; } }

.radar { margin-top: auto; height: 90px; position: relative; }
.radar i { position: absolute; left: 50%; bottom: 0; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; border: 2px solid var(--ambar); animation: radar 2.6s ease-out infinite; }
.radar i:nth-child(2) { animation-delay: .87s; }
.radar i:nth-child(3) { animation-delay: 1.74s; }
@keyframes radar { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(7); opacity: 0; } }

/* Oráculo */
.seccion--oraculo { background: linear-gradient(180deg, var(--tinta) 0%, var(--tinta-2) 100%); border-top: 1px solid var(--linea); }
.oraculo { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 90px); align-items: center; }
.oraculo p:not(.antetitulo) { color: #cfc8bc; max-width: 46ch; margin-top: 20px; }
@media (max-width: 860px) { .oraculo { grid-template-columns: 1fr; } }
.oraculo__reloj { max-width: 380px; width: 100%; justify-self: center; }
.oraculo__reloj svg { width: 100%; overflow: visible; }
.arco { fill: none; stroke-width: 16; stroke-linecap: round; }
.arco--espera { stroke: #5c5650; }
.arco--igual { stroke: #8a8378; }
.arco--llena { stroke: var(--ambar); }
.aguja { transform-origin: 100px 100px; transform: rotate(-70deg); transition: transform 1.6s cubic-bezier(.3, 1.6, .5, 1); }
.aguja line { stroke: var(--papel); stroke-width: 4; stroke-linecap: round; }
.aguja circle { fill: var(--papel); }
.visto .aguja { transform: rotate(52deg); }
.oraculo__etiquetas { display: flex; justify-content: space-between; color: var(--gris); font-size: 14px; margin-top: 8px; }
.oraculo__etiquetas span:last-child { color: var(--ambar); font-weight: 700; }
.frase { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -.02em; color: var(--papel) !important; min-height: 2.6em; }
.frase span { display: inline-block; border-bottom: 3px solid var(--ambar); transition: opacity .35s, transform .35s; }
.frase span.cambiando { opacity: 0; transform: translateY(8px); }

/* Cierre */
.cierre { text-align: center; padding: clamp(40px, 6vw, 72px) clamp(20px, 5vw, 64px); border-radius: 28px; background: radial-gradient(120% 140% at 50% 0%, rgba(247, 158, 2, .22), var(--tinta-2) 60%); border: 1px solid var(--linea); }
.cierre h2 { margin: 0 auto 18px; }
.cierre p { color: #d6cfc3; margin: 0 auto 30px; max-width: 46ch; }

/* Páginas legales */
.legal { padding: clamp(48px, 8vw, 90px) 0; }
.legal h1 { font-size: clamp(36px, 5.4vw, 56px); margin-bottom: 28px; }
.legal__texto h2 { font-size: 23px; letter-spacing: -.01em; margin: 40px 0 10px; padding-left: 12px; border-left: 4px solid var(--ambar); max-width: none; }
.legal__texto p, .legal__texto li { color: #d6cfc3; }
.legal__texto p + p { margin-top: 12px; }
.legal__texto ul { padding-left: 22px; margin-top: 8px; }
.legal__texto a { text-decoration-color: var(--ambar); text-underline-offset: 3px; }
.legal__texto .fecha { color: var(--gris); font-size: 15px; }
.legal__texto .caja { background: var(--tinta-2); border: 1px solid var(--linea); border-radius: 16px; padding: 18px 22px; margin: 14px 0; }
.legal__texto .boton { margin-top: 18px; }

/* Pie */
.pie { border-top: 1px solid var(--linea); padding: 40px 0 56px; color: var(--gris); font-size: 14px; }
.pie__dentro { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.pie img { margin-bottom: 10px; }
.pie p { max-width: 40ch; }
.pie nav { display: flex; flex-direction: column; gap: 8px; }
.pie a { text-decoration: none; }
.pie a:hover { color: var(--papel); }

/* Aparecer al bajar: solo si hay JavaScript, para que sin él se vea todo */
.js .revelar { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1); }
.js .revelar.visto { opacity: 1; transform: none; }
.js .movil.revelar { transform: translateY(40px) rotate(-6deg); }
.js .movil.revelar.visto { transform: rotate(-3deg); }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation: none !important; transition: none !important; }
	.js .revelar { opacity: 1; transform: none; }
	.barra::after, .mini-barras i::after { transform: none; }
	.boli path { stroke-dashoffset: 0; }
	.aguja { transform: rotate(52deg); }
}