/* Nandix — hoja flash tradicional: papel crema, tinta negra, rojo, amarillo y verde de sus trabajos */
:root {
  --papel: #efe6d2; --papel2: #e6d9bd; --tinta: #141210; --tinta2: #2a2622;
  --rojo: #b3261e; --rojo2: #8f1d17; --amarillo: #e0a526; --verde: #1f6f5c;
  --gris: #5b544b; --linea: rgba(20, 18, 16, .16);
  --fd: 'Oswald', 'Barlow Condensed', Impact, sans-serif; --fb: 'Inter', system-ui, sans-serif; --fl: 'Rye', Georgia, serif;
  --r: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { background: var(--papel); color: var(--tinta); font: 16px/1.6 var(--fb); overflow-x: hidden;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .3 0 0 0 0 .25 0 0 0 0 .18 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.g > *, .card { min-width: 0; }

/* ---------- intro ---------- */
.intro { position: fixed; inset: 0; z-index: 100; background: var(--tinta); display: grid; place-items: center; overflow: hidden; transition: opacity .5s; }
.intro__in { width: min(640px, 82vw); text-align: center; }
.intro .in-logo svg { width: 100%; height: auto; fill: var(--papel); }
.intro__sub { font: 600 clamp(12px, 1.6vw, 15px) var(--fd); letter-spacing: .5em; color: var(--amarillo); text-transform: uppercase; margin-top: 18px; opacity: 0; animation: sube .6s 1.2s forwards; }
.intro__wipe { position: absolute; inset: 0; background: var(--rojo); transform: translateY(101%); }
.intro.sale .intro__wipe { animation: wipe .9s cubic-bezier(.7, 0, .2, 1) forwards; }
.intro.fuera { opacity: 0; pointer-events: none; }
@keyframes wipe { 0% { transform: translateY(101%); } 45% { transform: translateY(0); } 100% { transform: translateY(-101%); } }
@keyframes sube { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px clamp(16px, 4vw, 48px); transition: background .3s, box-shadow .3s; }
.nav.solida { background: rgba(239, 230, 210, .94); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--linea); }
.nav__brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 400 22px var(--fl); letter-spacing: .04em; }
.nav__brand svg { width: 26px; height: 26px; fill: var(--rojo); transition: transform .6s; }
.nav__brand:hover svg { transform: rotate(90deg); }
.nav__links { display: flex; gap: 26px; }
.nav__links a { text-decoration: none; font: 500 15px var(--fd); text-transform: uppercase; letter-spacing: .08em; position: relative; }
.nav__links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -4px; height: 2px; background: var(--rojo); transition: right .3s; }
.nav__links a:hover::after { right: 0; }
.nav__der { display: flex; align-items: center; gap: 12px; }
.idioma { display: flex; border: 1.5px solid var(--tinta); border-radius: 99px; overflow: hidden; }
.idioma button { background: none; border: 0; padding: 4px 9px; font: 600 12px var(--fd); letter-spacing: .06em; color: var(--tinta); }
.idioma button.on { background: var(--tinta); color: var(--papel); }
.nav__menu { display: none; background: none; border: 0; width: 34px; height: 34px; position: relative; }
.nav__menu span { position: absolute; left: 6px; right: 6px; height: 2px; background: var(--tinta); transition: transform .3s; }
.nav__menu span:first-child { top: 12px; } .nav__menu span:last-child { top: 20px; }
.nav.abierta .nav__menu span:first-child { transform: translateY(4px) rotate(45deg); }
.nav.abierta .nav__menu span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 99px; font: 600 15px var(--fd); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; border: 2px solid var(--tinta); transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--tinta); }
.btn--rojo { background: var(--rojo); color: #fff; }
.btn--linea { background: transparent; color: var(--tinta); }
.btn--crema { background: var(--papel); color: var(--tinta); }
.btn--sm { padding: 8px 16px; font-size: 13px; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 24px; padding: 100px clamp(16px, 5vw, 72px) 56px; overflow: hidden; }
.hero__tinta { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero__txt { position: relative; z-index: 2; min-width: 0; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 600 13px var(--fd); letter-spacing: .2em; text-transform: uppercase; color: var(--rojo); }
.kicker .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--rojo); animation: late 1.6s infinite; }
@keyframes late { 50% { transform: scale(1.6); opacity: .5; } }
.hero__marca { position: relative; margin: 18px 0 8px; width: min(100%, 620px); }
.hero__marca svg { width: 100%; height: auto; display: block; }
.hero__wm { position: relative; display: block; }
.hero__wm svg { fill: var(--tinta); }
.hero__sombra { position: absolute; inset: 0; transform: translate(7px, 7px); opacity: 0; transition: opacity .8s 1.4s; }
.hero__sombra svg { fill: var(--rojo); }
.listo .hero__sombra { opacity: 1; }
.hero__quien { font: 500 clamp(18px, 2.4vw, 26px) var(--fd); text-transform: uppercase; letter-spacing: .1em; }
.hero__quien em { color: var(--rojo); font-style: normal; }
.cine { display: inline-block; color: var(--rojo); min-width: 4ch; }
.cine.cambia { animation: cine .5s; }
@keyframes cine { 0% { opacity: 0; transform: translateY(60%) skewY(8deg); } 100% { opacity: 1; transform: none; } }
.hero__lead { max-width: 52ch; margin: 18px 0 26px; color: var(--tinta2); font-size: clamp(15px, 1.4vw, 18px); }
.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__kpi { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 38px; max-width: 560px; }
.hero__kpi li { border-top: 2px solid var(--tinta); padding-top: 10px; }
.hero__kpi b { display: block; font: 700 clamp(26px, 3.4vw, 40px)/1 var(--fd); }
.hero__kpi span { font-size: 13px; color: var(--gris); line-height: 1.35; display: block; margin-top: 4px; }

.hero__3d { position: relative; z-index: 1; height: min(78vh, 640px); perspective: 1400px; display: grid; place-items: center; cursor: grab; touch-action: pan-y; min-width: 0; }
.hero__3d:active { cursor: grabbing; }
.anillo { position: relative; width: 176px; height: 236px; transform-style: preserve-3d; }
.anillo figure { position: absolute; inset: 0; border-radius: 10px; overflow: hidden; background: var(--tinta); border: 6px solid #fff; box-shadow: 0 18px 40px rgba(0, 0, 0, .25); backface-visibility: hidden; }
.anillo img { width: 100%; height: 100%; object-fit: cover; }
.hero__hint { position: absolute; bottom: 4px; font: 500 12px var(--fd); letter-spacing: .2em; text-transform: uppercase; color: var(--gris); }

/* ---------- cinta ---------- */
.cinta-w { overflow: hidden; padding: 14px 0; margin: -14px 0; position: relative; z-index: 3; }
.cinta { background: var(--tinta); color: var(--papel); overflow: hidden; transform: rotate(-1.2deg); margin: 0 -20px; border-block: 3px solid var(--rojo); }
.cinta__in { display: flex; width: max-content; gap: 40px; padding: 14px 0; animation: cinta 38s linear infinite; font: 400 clamp(20px, 2.6vw, 30px) var(--fl); white-space: nowrap; }
.cinta__in span { display: inline-flex; align-items: center; gap: 40px; }
.cinta__in svg { width: 22px; height: 22px; fill: var(--amarillo); }
@keyframes cinta { to { transform: translateX(-50%); } }

/* ---------- secciones ---------- */
.sec { padding: clamp(64px, 9vw, 120px) clamp(16px, 5vw, 72px); position: relative; }
.sec--tinta { background: var(--tinta); color: var(--papel); }
.sec--papel2 { background: var(--papel2); }
.sec--rojo { background: var(--rojo); color: #fff; }
.sec__cab { max-width: 980px; margin-bottom: 40px; }
.num { font: 400 18px var(--fl); color: var(--rojo); }
.sec--tinta .num { color: var(--amarillo); } .sec--rojo .num { color: var(--papel); }
.sec h2 { font: 700 clamp(38px, 6.4vw, 84px)/.95 var(--fd); text-transform: uppercase; letter-spacing: -.01em; margin: 6px 0 14px; }
.sec__lead { max-width: 62ch; font-size: clamp(15px, 1.4vw, 18px); opacity: .9; }
.rev { opacity: 0; transform: translateY(26px); transition: opacity .7s, transform .7s cubic-bezier(.2, .7, .2, 1); }
.rev.vis { opacity: 1; transform: none; }

/* galería */
.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.chip { border: 1.5px solid currentColor; background: transparent; color: inherit; border-radius: 99px; padding: 7px 14px; font: 500 14px var(--fd); letter-spacing: .05em; text-transform: uppercase; transition: background .2s, color .2s; }
.chip b { font-weight: 700; margin-left: 4px; opacity: .6; }
.chip.on { background: var(--tinta); color: var(--papel); border-color: var(--tinta); }
.sec--rojo .chip.on { background: var(--papel); color: var(--rojo); border-color: var(--papel); }
.galeria { columns: 4 240px; column-gap: 16px; }
.obra { break-inside: avoid; margin-bottom: 16px; position: relative; border-radius: var(--r); overflow: hidden; cursor: zoom-in; background: var(--tinta); transition: opacity .35s, transform .35s; }
.obra img { width: 100%; height: auto; transition: transform .6s; }
.obra:hover img { transform: scale(1.05); }
.obra figcaption { position: absolute; inset: auto 0 0; padding: 40px 14px 12px; color: #fff; background: linear-gradient(transparent, rgba(0, 0, 0, .78)); font: 500 14px var(--fd); letter-spacing: .04em; text-transform: uppercase; }
.obra figcaption small { display: block; font: 400 12px var(--fb); text-transform: none; opacity: .85; letter-spacing: 0; }
.obra.oculta { display: none; }
.obra.entra { animation: sube .45s both; }

/* estilos */
.estilos { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.estilo { border: 1.5px solid rgba(239, 230, 210, .22); border-radius: var(--r); padding: 20px; display: grid; grid-template-columns: 68px 1fr; gap: 14px; align-items: center; background: rgba(255, 255, 255, .03); transition: border-color .3s, transform .3s; cursor: pointer; text-align: left; color: inherit; font: inherit; }
.estilo:hover { border-color: var(--amarillo); transform: translateY(-4px); }
.estilo img { width: 68px; height: 68px; object-fit: cover; border-radius: 50%; border: 3px solid var(--papel); }
.estilo h3 { font: 700 20px var(--fd); text-transform: uppercase; letter-spacing: .04em; display: flex; justify-content: space-between; gap: 8px; }
.estilo h3 b { color: var(--amarillo); }
.estilo p { font-size: 14px; opacity: .8; line-height: 1.45; }

/* comparar */
.comparar { position: relative; max-width: 560px; aspect-ratio: 3 / 4; margin: 0 auto; border-radius: var(--r); overflow: hidden; border: 6px solid #fff; box-shadow: 10px 10px 0 var(--tinta); user-select: none; }
.comparar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.comparar__a { position: absolute; inset: 0; clip-path: inset(0 50% 0 0); }
.comparar input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; z-index: 3; }
.comparar__linea { position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: #fff; z-index: 2; pointer-events: none; }
.comparar__linea span { position: absolute; top: 50%; left: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: var(--rojo); border: 3px solid #fff; }
.comparar__linea span::before, .comparar__linea span::after { content: ''; position: absolute; top: 14px; border: 6px solid transparent; }
.comparar__linea span::before { left: 3px; border-right-color: #fff; } .comparar__linea span::after { right: 3px; border-left-color: #fff; }
.comparar__et { position: absolute; top: 14px; z-index: 2; background: var(--tinta); color: var(--papel); font: 600 12px var(--fd); letter-spacing: .12em; text-transform: uppercase; padding: 5px 10px; border-radius: 99px; pointer-events: none; }
.comparar__et--a { left: 14px; } .comparar__et--b { right: 14px; background: var(--rojo); color: #fff; }

/* planer */
.planer { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 56px); align-items: start; }
.planer__ctrl { display: grid; gap: 24px; }
.planer label, .campo { display: grid; gap: 8px; font: 600 14px var(--fd); text-transform: uppercase; letter-spacing: .08em; }
.planer label { grid-template-columns: 1fr auto; }
.planer label input { grid-column: 1 / -1; }
.planer label b { font-size: 18px; color: var(--rojo); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; text-transform: none; letter-spacing: 0; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px; background: var(--tinta); outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%; background: var(--rojo); border: 3px solid var(--papel); box-shadow: 0 0 0 2px var(--tinta); cursor: pointer; }
input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--rojo); border: 3px solid var(--papel); box-shadow: 0 0 0 2px var(--tinta); cursor: pointer; }
.planer__res { background: var(--tinta); color: var(--papel); border-radius: var(--r); padding: clamp(20px, 3vw, 34px); position: relative; overflow: hidden; }
.planer__fig { position: absolute; right: -30px; top: -30px; width: 170px; height: 170px; opacity: .18; }
.planer__fig svg { width: 100%; height: 100%; fill: var(--amarillo); transition: transform .5s; }
.planer__big { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.planer__big b { font: 700 clamp(64px, 9vw, 112px)/1 var(--fd); color: var(--amarillo); }
.planer__big span { font: 500 18px var(--fd); text-transform: uppercase; letter-spacing: .1em; }
.planer__ses { font: 500 22px var(--fd); text-transform: uppercase; letter-spacing: .06em; margin: 4px 0 16px; }
.planer__ses b { color: #fff; font-size: 34px; }
.planer__barra { position: relative; height: 12px; border-radius: 99px; background: rgba(239, 230, 210, .15); overflow: visible; }
.planer__barra i { position: absolute; left: 0; top: 0; bottom: 0; width: 10%; border-radius: 99px; background: linear-gradient(90deg, var(--amarillo), var(--rojo)); transition: width .6s cubic-bezier(.2, .8, .2, 1); }
.planer__marca { position: absolute; top: -5px; bottom: -5px; width: 2px; background: var(--papel); left: 33.3%; }
.planer__frase { margin: 18px 0 20px; min-height: 3em; font-size: 16px; }
.nota { font-size: 12.5px; opacity: .7; margin-top: 14px; line-height: 1.45; }

/* pasos */
.pasos { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; counter-reset: p; margin-bottom: 64px; }
.pasos li { position: relative; padding: 22px 18px; border: 2px solid var(--tinta); border-radius: var(--r); background: var(--papel); transition: transform .3s, box-shadow .3s; }
.pasos li:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--rojo); }
.pasos li::before { counter-increment: p; content: counter(p, decimal-leading-zero); font: 400 30px var(--fl); color: var(--rojo); display: block; margin-bottom: 8px; }
.pasos h3 { font: 700 19px var(--fd); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }
.pasos p { font-size: 14px; color: var(--tinta2); line-height: 1.5; }
.curado { display: grid; grid-template-columns: minmax(0, 380px) 1fr; gap: clamp(20px, 4vw, 56px); align-items: center; }
.curado img { border-radius: var(--r); border: 6px solid #fff; box-shadow: -10px 10px 0 var(--verde); transform: rotate(-2deg); }
.curado h3 { font: 700 clamp(28px, 4vw, 46px)/1 var(--fd); text-transform: uppercase; margin: 10px 0 14px; }
.cuidado { list-style: none; margin-top: 18px; display: grid; gap: 10px; }
.cuidado li { padding-left: 30px; position: relative; }
.cuidado li::before { content: ''; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; background: var(--rojo); clip-path: polygon(50% 0, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0 50%, 39% 39%); }

/* orte */
.ruta { max-width: 1100px; margin: 0 auto 34px; }
.ruta svg { width: 100%; height: auto; display: block; }
.orte { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
.ort { border: 1.5px solid rgba(239, 230, 210, .22); border-radius: var(--r); padding: 22px; display: grid; gap: 6px; align-content: start; }
.ort--main { border-color: var(--amarillo); }
.ort__tag { font: 600 12px var(--fd); letter-spacing: .18em; text-transform: uppercase; color: var(--amarillo); }
.ort h3 { font: 400 26px var(--fl); }
.ort p { opacity: .85; font-size: 15px; }
.mapa { border-radius: 10px; overflow: hidden; margin: 10px 0; height: 200px; background: var(--tinta2); }
.mapa iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.6) contrast(1.05); }
.ort .btn { justify-self: start; border-color: var(--papel); color: var(--papel); }
.ort .btn:hover { box-shadow: 4px 4px 0 var(--amarillo); }

/* form */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 22px; max-width: 980px; }
.form label { display: grid; gap: 6px; font: 600 14px var(--fd); text-transform: uppercase; letter-spacing: .08em; }
.form .campo { color: #fff; }
.f-full { grid-column: 1 / -1; }
.form input[type=text], .form textarea, .form select { font: 16px var(--fb); color: var(--tinta); background: var(--papel); border: 2px solid var(--tinta); border-radius: 10px; padding: 12px 14px; width: 100%; text-transform: none; letter-spacing: 0; }
.form input:focus, .form textarea:focus, .form select:focus { outline: 3px solid var(--amarillo); outline-offset: 1px; }
.f-check { display: flex !important; align-items: center; gap: 10px; text-transform: none !important; letter-spacing: 0 !important; font: 500 15px var(--fb) !important; }
.f-check input { width: 20px; height: 20px; accent-color: var(--tinta); }
.vista { background: var(--tinta); border-radius: var(--r); padding: 18px 20px; }
.vista__t { font: 600 12px var(--fd); letter-spacing: .18em; text-transform: uppercase; color: var(--amarillo); margin-bottom: 8px; }
.vista pre { white-space: pre-wrap; word-break: break-word; font: 15px/1.55 var(--fb); color: var(--papel); min-height: 6em; }
.vista pre.flash { animation: flash .6s; }
@keyframes flash { 0% { color: var(--amarillo); } 100% { color: var(--papel); } }
.form__btns { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.form__ok { font-weight: 600; }

/* faq */
.faq { max-width: 860px; display: grid; gap: 10px; }
.faq details { border: 2px solid var(--tinta); border-radius: var(--r); background: var(--papel); }
.faq summary { list-style: none; cursor: pointer; padding: 16px 20px; font: 600 18px var(--fd); text-transform: uppercase; letter-spacing: .04em; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--rojo); font-size: 24px; line-height: 1; transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 20px 18px; color: var(--tinta2); }

/* pie */
.pie { background: var(--tinta); color: var(--papel); padding: 56px clamp(16px, 5vw, 72px) 30px; }
.pie__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid rgba(239, 230, 210, .2); padding-bottom: 28px; }
.pie__wm { width: min(320px, 70vw); display: block; }
.pie__wm svg { width: 100%; height: auto; fill: var(--papel); }
.pie__links { display: flex; flex-wrap: wrap; gap: 20px; }
.pie__links a { font: 500 14px var(--fd); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; }
.pie__links a:hover { color: var(--amarillo); }
.pie__hon { font-size: 12.5px; opacity: .75; max-width: 90ch; margin-top: 20px; line-height: 1.5; }
.pie__idx { font-size: 12.5px; opacity: .75; margin-top: 10px; }

/* lightbox */
.caja { position: fixed; inset: 0; z-index: 90; background: rgba(12, 10, 9, .94); display: grid; grid-template-columns: 56px minmax(0, 1fr) 56px; align-items: center; padding: 20px; }
.caja[hidden] { display: none; }
.caja figure { display: grid; justify-items: center; gap: 14px; max-height: 92vh; min-width: 0; }
.caja img { max-height: 74vh; width: auto; max-width: 100%; border-radius: 8px; border: 5px solid #fff; animation: sube .35s; }
.caja figcaption { color: var(--papel); text-align: center; max-width: 60ch; }
.caja__meta { font: 600 14px var(--fd); text-transform: uppercase; letter-spacing: .12em; color: var(--amarillo); }
.caja__cap { font-style: italic; opacity: .9; }
.caja__x { position: absolute; top: 14px; right: 18px; background: none; border: 0; color: var(--papel); font-size: 38px; line-height: 1; }
.caja__nav { background: none; border: 2px solid var(--papel); color: var(--papel); border-radius: 50%; width: 46px; height: 46px; font-size: 26px; line-height: 1; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .pasos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .orte { grid-template-columns: 1fr 1fr; } .ort--main { grid-column: 1 / -1; }
}
@media (max-width: 920px) {
  .nav__links { position: fixed; top: 58px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--papel); border-bottom: 2px solid var(--tinta); transform: translateY(-120%); transition: transform .35s; padding: 8px 16px; }
  .nav__links a { padding: 12px 0; font-size: 18px; }
  .nav.abierta .nav__links { transform: none; }
  .nav.abierta { background: var(--papel); }
  .nav__menu { display: block; }
  .hero { grid-template-columns: 1fr; padding-top: 96px; }
  .hero__3d { height: 380px; order: -1; margin-bottom: -20px; }
  .planer, .curado { grid-template-columns: 1fr; }
  .curado img { max-width: 360px; }
}
@media (max-width: 640px) {
  .nav__der .btn { display: none; }
  .pasos { grid-template-columns: 1fr; }
  .orte, .form { grid-template-columns: 1fr; }
  .hero__kpi { gap: 10px; }
  .anillo { width: 150px; height: 200px; }
  .galeria { columns: 2; column-gap: 10px; }
  .obra { margin-bottom: 10px; }
  .obra figcaption { padding: 28px 10px 8px; font-size: 12px; }
  .obra figcaption small { font-size: 11px; }
  .hero__3d { height: 300px; }
  .caja { grid-template-columns: 40px minmax(0, 1fr) 40px; padding: 10px; }
  .caja__nav { width: 36px; height: 36px; font-size: 20px; }
}
@media (max-width: 390px) { .nav__brand span { display: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .cinta__in { animation: none; }
}