/* WaveArt · landing. Galería de noche: carbón cálido, marfil y latón. */
:root {
  --bg: #0e0d0b;
  --bg-2: #15130f;
  --bg-3: #1c1a15;
  --ink: #ece6da;
  --ink-2: #b9b1a2;
  --mute: #8a8274;
  --line: rgba(236, 230, 218, 0.12);
  --line-2: rgba(236, 230, 218, 0.22);
  --brass: #c9a35a;
  --brass-2: #e2c387;
  --wa: #25d366;
  --serif: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --gutter: clamp(16px, 5vw, 72px);
  --max: 1320px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100% }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto } *, *::before, *::after { transition: none !important; animation: none !important } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 300 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden }
img, video, iframe { display: block; max-width: 100% }
a { color: inherit }
em { font-style: italic; color: var(--brass-2) }
::selection { background: var(--brass); color: var(--bg) }
:focus-visible { outline: 1px solid var(--brass); outline-offset: 4px }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 14px; z-index: 50 }
.skip:focus { left: 8px }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter) }
.eyebrow { font: 400 11.5px/1.2 var(--sans); letter-spacing: 0.32em; text-transform: uppercase; color: var(--brass); margin: 0 0 22px }
.display { font: 300 clamp(48px, 8.4vw, 132px)/0.95 var(--serif); letter-spacing: -0.015em; margin: 0 0 28px; text-wrap: balance }
.display-2 { font: 300 clamp(38px, 5.2vw, 78px)/1.0 var(--serif); letter-spacing: -0.01em; margin: 0 0 24px; text-wrap: balance }
.lead { font-size: clamp(17px, 1.35vw, 20px); color: var(--ink-2); max-width: 40ch; margin: 0 0 36px }
.lead.narrow { max-width: 52ch }
.prose p { color: var(--ink-2); margin: 0 0 1.2em; max-width: 56ch }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 30px; border-radius: 999px;
  font: 400 13px/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease), transform .5s var(--ease) }
.btn-solid { background: var(--ink); color: var(--bg) }
.btn-solid:hover { background: var(--brass-2) }
.btn-ghost { border-color: var(--line-2); color: var(--ink) }
.btn-ghost:hover { border-color: var(--ink) }
.btn-line { border-color: var(--line-2) }
.btn-line:hover { border-color: var(--brass); color: var(--brass-2) }
.btn-sm { min-height: 40px; padding: 0 20px; font-size: 11.5px }
.btn-block { width: 100% }
.actions { display: flex; flex-wrap: wrap; gap: 14px }

/* navegación */
.nav { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 22px var(--gutter); transition: background .6s var(--ease), padding .6s var(--ease), border-color .6s; border-bottom: 1px solid transparent }
.nav.solid { background: rgba(14, 13, 11, 0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); padding-top: 14px; padding-bottom: 14px; border-color: var(--line) }
.brand { font: 400 26px/1 var(--serif); letter-spacing: 0.06em; text-decoration: none }
.brand span { color: var(--brass-2); font-style: italic }
.nav-links { display: flex; gap: clamp(18px, 2.4vw, 40px) }
.nav-links a { font-size: 12.5px; letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); transition: color .4s }
.nav-links a:hover { color: var(--ink) }
.nav-end { display: flex; align-items: center; gap: 18px }
.lang { background: none; border: 0; color: var(--mute); font: 400 12px/1 var(--sans); letter-spacing: 0.14em; cursor: pointer; padding: 8px 0 }
.lang .on { color: var(--ink) }
@media (max-width: 980px) { .nav-links { display: none } }
@media (max-width: 420px) { .nav .btn-sm { display: none } }

/* hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; isolation: isolate }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2 }
.hero-shade { position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(14,13,11,0.55) 0%, rgba(14,13,11,0) 26%, rgba(14,13,11,0) 48%, rgba(14,13,11,0.86) 88%, var(--bg) 100%),
              linear-gradient(90deg, rgba(14,13,11,0.6) 0%, rgba(14,13,11,0) 55%) }
.hero-content { padding-bottom: clamp(88px, 14vh, 160px); padding-top: 140px }
.hero .lead { color: var(--ink) ; opacity: .86 }
.hero-content > * { opacity: 0; transform: translateY(18px); animation: rise 1.4s var(--ease) forwards }
.hero-content > *:nth-child(2) { animation-delay: .15s } .hero-content > *:nth-child(3) { animation-delay: .3s } .hero-content > *:nth-child(4) { animation-delay: .45s }
@keyframes rise { to { opacity: 1; transform: none } }
.scroll-cue { position: absolute; right: var(--gutter); bottom: 34px; display: flex; align-items: center; gap: 14px; font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-2); text-decoration: none }
.scroll-cue i { width: 1px; height: 48px; background: linear-gradient(var(--ink-2), transparent); animation: cue 2.4s var(--ease) infinite }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top } 50% { transform: scaleY(1); transform-origin: top } 51% { transform-origin: bottom } 100% { transform: scaleY(0); transform-origin: bottom } }
@media (max-width: 640px) { .scroll-cue { display: none } }

/* secciones */
.section { padding: clamp(96px, 14vw, 200px) 0; position: relative }
.section + .section { border-top: 1px solid var(--line) }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 120px); align-items: start }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr } }
.head { max-width: 900px; margin-bottom: clamp(40px, 6vw, 72px) }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.4s var(--ease), transform 1.4s var(--ease) }
.reveal.in { opacity: 1; transform: none }


/* escenarios */
.escenarios { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%) }
.studio { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 }
.stage { position: relative; width: 100%; aspect-ratio: 16 / 8.2; background: var(--bg-3); overflow: hidden; border: 1px solid var(--line); border-bottom: 0 }
@media (max-width: 760px) { .stage { aspect-ratio: 4 / 5 } }
.stage-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 1.2s var(--ease) }
.stage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; opacity: 0; transition: opacity 1.2s var(--ease) }
.stage.live iframe { opacity: 1 }
.stage.live .stage-poster { opacity: 0 }
.stage-load { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 2 }
.stage.loading .stage-load, .stage.live .stage-load { display: none }
.stage-status { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); margin: 0; font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-2); z-index: 2; animation: pulse 2s ease-in-out infinite }
@keyframes pulse { 50% { opacity: .4 } }
.stage-hint { position: absolute; left: 18px; bottom: 14px; margin: 0; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: rgba(236,230,218,.7); opacity: 0; transition: opacity 1s; pointer-events: none; text-shadow: 0 1px 8px rgba(0,0,0,.5) }
.stage.live .stage-hint { opacity: 1 }

.panel { border: 1px solid var(--line); padding: 28px clamp(20px, 3vw, 40px); display: grid; grid-template-columns: 1.15fr 1.25fr 1fr; gap: 26px 40px; background: rgba(21, 19, 15, 0.6) }
.panel > fieldset:nth-child(2) { grid-row: span 2 }
@media (max-width: 1080px) { .panel { grid-template-columns: 1fr 1fr } .panel > fieldset:nth-child(2) { grid-row: auto } }
@media (max-width: 600px) { .panel { grid-template-columns: 1fr } }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0 }
legend { font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--mute); margin-bottom: 10px; padding: 0 }
.chips { display: flex; flex-wrap: wrap; gap: 8px }
.chips input { position: absolute; opacity: 0; pointer-events: none }
.chips label { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 15px; border: 1px solid var(--line-2); border-radius: 999px; cursor: pointer;
  font-size: 13.5px; color: var(--ink-2); transition: border-color .35s, color .35s, background .35s; user-select: none }
.chips label:hover { border-color: var(--ink-2); color: var(--ink) }
.chips input:checked + label { border-color: var(--brass); color: var(--ink); background: rgba(201, 163, 90, 0.1) }
.chips input:focus-visible + label { outline: 1px solid var(--brass); outline-offset: 3px }
.chips-fmt { flex-direction: column }
.chips-fmt label { border-radius: 10px; justify-content: space-between; padding: 10px 15px; min-height: 0; width: 100% }
.chips-fmt small { color: var(--mute); font-size: 12px }
.swatches i { width: 14px; height: 14px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff8 0 8%, var(--sw) 45%, #0008 120%); box-shadow: 0 0 0 1px rgba(255,255,255,.12) }
fieldset:disabled { opacity: .38 }
fieldset:disabled label { cursor: not-allowed }
.pair { display: flex; flex-wrap: wrap; gap: 22px 28px }
.panel-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 28px; padding-top: 22px; border-top: 1px solid var(--line) }
.panel-foot .btn-block { width: auto }
@media (max-width: 600px) { .panel-foot .btn-block { width: 100% } .panel-foot { justify-content: center } }
.link-quiet { font-size: 12.5px; color: var(--mute); text-align: center; text-decoration: none; letter-spacing: .06em }
.link-quiet:hover { color: var(--ink) }

/* materiales */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.4vw, 36px) }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr } }
.card figure { margin: 0 0 26px; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-3) }
.card img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.03); transition: transform 2.4s var(--ease) }
.card:hover img { transform: scale(1.08) }
.card h3 { font: 400 clamp(26px, 2.2vw, 32px)/1.1 var(--serif); margin: 0 0 12px }
.card p { color: var(--ink-2); margin: 0; max-width: 42ch }
.cards .card:nth-child(2) { transition-delay: .12s } .cards .card:nth-child(3) { transition-delay: .24s }

/* encargo */
.sticky { position: sticky; top: 120px }
@media (max-width: 860px) { .sticky { position: static } }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s }
.steps li { display: grid; grid-template-columns: 72px 1fr; gap: 12px; padding: 34px 0; border-top: 1px solid var(--line) }
.steps li:last-child { border-bottom: 1px solid var(--line) }
.steps .num { font: italic 300 30px/1 var(--serif); color: var(--brass) }
.steps h3 { font: 400 clamp(26px, 2.2vw, 32px)/1.1 var(--serif); margin: 0 0 10px }
.steps p { color: var(--ink-2); margin: 0; max-width: 48ch }

/* preguntas */
.faq-list details { border-top: 1px solid var(--line) }
.faq-list details:last-child { border-bottom: 1px solid var(--line) }
.faq-list summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 26px 0; cursor: pointer;
  font: 400 clamp(21px, 1.7vw, 25px)/1.25 var(--serif) }
.faq-list summary::-webkit-details-marker { display: none }
.faq-list summary i { position: relative; flex: none; width: 14px; height: 14px }
.faq-list summary i::before, .faq-list summary i::after { content: ''; position: absolute; left: 0; top: 6.5px; width: 14px; height: 1px; background: var(--brass); transition: transform .5s var(--ease) }
.faq-list summary i::after { transform: rotate(90deg) }
.faq-list details[open] summary i::after { transform: rotate(0) }
.faq-a p { margin: 0 0 28px; color: var(--ink-2); max-width: 58ch }
.tbc { display: inline-block; font: 400 11px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--brass); border: 1px dashed rgba(201,163,90,.55); border-radius: 999px; padding: 5px 10px; vertical-align: 2px }

/* contacto */
.contacto { text-align: center; background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(201,163,90,0.12), transparent 70%), var(--bg) }
.contacto-inner { display: flex; flex-direction: column; align-items: center }
.contacto .lead { margin-left: auto; margin-right: auto }
.btn-wa { background: var(--ink); color: var(--bg); min-height: 60px; padding: 0 36px }
.btn-wa svg { width: 20px; height: 20px; fill: currentColor }
.btn-wa:hover { background: var(--wa); color: #06210f }
.wa-preview { margin: 28px auto 0; max-width: 60ch; font-size: 13.5px; color: var(--mute) }
.wa-preview q { color: var(--ink-2); font-style: italic }

/* pie */
.foot { border-top: 1px solid var(--line); padding: 44px 0 calc(44px + env(safe-area-inset-bottom)) }
.foot-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px }
.foot-meta { margin: 0; font-size: 13px; color: var(--mute) }
.foot-links { display: flex; gap: 24px; align-items: center }
.foot-links a, .lang-link { font: 400 12.5px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); text-decoration: none; background: none; border: 0; cursor: pointer; padding: 0 }
.foot-links a:hover, .lang-link:hover { color: var(--ink) }

/* celular: botones en una línea */
.btn { white-space: nowrap }
@media (max-width: 600px) {
  .btn { letter-spacing: .12em; padding: 0 22px; font-size: 12px }
  .hero .actions .btn { flex: 1 1 auto }
  .chips-fmt label { flex-direction: column; align-items: flex-start; gap: 2px }
}