/* =====================================================================
   NIX Arc / Estudio
   Misma familia visual del sitio (dark · violeta · editorial · espacial),
   mejor ejecutada: hero con "una sola línea de pensamiento", composiciones
   más sólidas y el mismo lenguaje de reveal que el resto de páginas.
   ===================================================================== */
.studio-page { --studio-line: rgba(255,255,255,.12); --studio-soft: rgba(255,255,255,.07); --studio-muted: #aaa8b8; --studio-faint: #747183; --studio-card: rgba(255,255,255,.028); }
.studio-page main { overflow: clip; }
.studio-shell { width: min(var(--container-wide), calc(100% - (var(--gutter) * 2))); margin-inline: auto; }
.studio-page .section-kicker, .studio-page .studio-kicker { color: var(--violet-bright); font: 700 .68rem/1.2 var(--font-body); letter-spacing: .16em; text-transform: uppercase; }

/* El reveal es global: styles.css sección 16. */

/* =====================================================================
   01 / HERO — Una sola línea de pensamiento (estrategia → diseño → desarrollo)
   ===================================================================== */
.studio-hero { position: relative; overflow: clip; }
.studio-hero__grid { display: grid; grid-template-columns: minmax(0,1.02fr) minmax(360px,.98fr); gap: clamp(2.5rem,7vw,7rem); align-items: center; }
.studio-hero__copy { position: relative; z-index: 2; max-width: 40rem; }
/* El título del estudio es la declaración de marca: se le permite un cuerpo mayor
   que --fs-hero, pero dentro de la misma familia (antes llegaba a 5.1rem/78px y
   quedaba como un salto suelto frente al resto de los heroes). */
.studio-hero__title { max-width: 15ch; margin-top: 1.25rem; font-size: clamp(2.1rem,4.4vw,3.65rem); letter-spacing: -.045em; line-height: .98; }
.studio-hero__lead { max-width: 40rem; margin-top: 1.9rem; color: var(--studio-muted); font-size: clamp(1.02rem,1.35vw,1.2rem); line-height: 1.72; }
.studio-hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.4rem; }

/* Escenario del hero: una sola línea que atraviesa tres estaciones */
.studio-hero__visual { display: grid; place-items: center; min-height: 34rem; }
.thread { position: relative; width: min(100%,30rem); aspect-ratio: 5 / 6; isolation: isolate; }
.thread__glow { position: absolute; inset: 8% 6% 4%; z-index: -1; border-radius: 50% 46% 52% 48%; background: radial-gradient(60% 60% at 40% 30%, rgba(132,18,241,.26), transparent 70%); filter: blur(28px); }
.thread__field { position: absolute; inset: 0; z-index: -1; border-radius: var(--r-lg); background-image: linear-gradient(rgba(168,85,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(168,85,255,.07) 1px, transparent 1px); background-size: 34px 34px; mask-image: radial-gradient(120% 90% at 45% 40%, #000 30%, transparent 82%); -webkit-mask-image: radial-gradient(120% 90% at 45% 40%, #000 30%, transparent 82%); }

.thread__line { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.thread__line path { fill: none; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.thread__line-base { stroke: rgba(255,255,255,.14); stroke-width: 1.4; }
.thread__line-flow { stroke: var(--violet-bright); stroke-width: 1.6; opacity: .85; stroke-dasharray: 14 86; }

/* Estaciones y marca de origen: chips de vidrio ancladas sobre la línea */
.thread__mark, .thread__stage, .thread__result { position: absolute; display: flex; align-items: center; gap: .6rem; transform: translate(var(--node-x,0),var(--node-y,0)) translateY(-50%); z-index: 2; transition: transform .6s var(--ease); }
.thread__mark { left: 14%; top: 11%; }
.thread__stage--a { left: 30%; top: 33%; }
.thread__stage--b { left: 62%; top: 52%; flex-direction: row-reverse; transform: translate(var(--node-x,0),var(--node-y,0)) translate(-100%,-50%); }
.thread__stage--c { left: 33%; top: 72%; }
.thread__result { left: 76%; top: 91%; flex-direction: row-reverse; transform: translate(var(--node-x,0),var(--node-y,0)) translate(-100%,-50%); }

.thread__mark svg { width: 2.15rem; height: 2.15rem; padding: .35rem; border: 1px solid var(--studio-line); border-radius: 12px; background: rgba(9,9,15,.7); color: var(--text); box-shadow: inset 0 1px 0 rgba(255,255,255,.12); }
.thread__mark span { color: var(--studio-muted); font: 600 .66rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; }

.thread__node { flex: none; width: .7rem; height: .7rem; border-radius: 50%; background: var(--violet); border: 1px solid rgba(255,255,255,.4); box-shadow: 0 0 0 .28rem rgba(132,18,241,.14), 0 0 14px rgba(132,18,241,.5); }
.thread__card { padding: .55rem .8rem; border: 1px solid var(--studio-line); border-radius: 12px; background: linear-gradient(150deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 18px 40px -30px rgba(0,0,0,.9); }
.thread__step { display: block; color: var(--violet-bright); font: 600 .56rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; }
.thread__card b { display: block; margin-top: .28rem; color: var(--text); font: 600 .82rem/1.15 var(--font-display); letter-spacing: -.01em; white-space: nowrap; }

.thread__result-mark { flex: none; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: radial-gradient(circle at 32% 30%, var(--violet-bright), var(--violet-deep)); box-shadow: 0 0 0 .32rem rgba(132,18,241,.16), 0 0 20px rgba(132,18,241,.55); }
.thread__result b { color: var(--text); font: 600 .95rem/1 var(--font-display); letter-spacing: -.01em; }

@media (prefers-reduced-motion: no-preference) {
  .thread__line-flow { animation: thread-flow 6.5s linear infinite; }
  .thread__glow { animation: thread-breathe 9s ease-in-out infinite alternate; }
}
@keyframes thread-flow { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -100; } }
@keyframes thread-breathe { from { opacity: .8; transform: scale(1); } to { opacity: 1; transform: scale(1.06); } }

/* =====================================================================
   02 / QUÉ ES NIX ARC — copy + panel "una sola conversación"
   ===================================================================== */
.studio-reason { padding: calc(var(--section-y) * 1.05) 0; border-top: 1px solid var(--studio-soft); }
.studio-reason__grid { display: grid; grid-template-columns: minmax(320px,1.08fr) minmax(300px,.92fr); gap: clamp(2.5rem,6vw,5.5rem); align-items: center; }
.studio-reason__copy h2 { max-width: 20ch; margin-top: 1.35rem; font-size: var(--fs-h2); letter-spacing: -.03em; line-height: 1.14; text-wrap: balance; }
.studio-reason__lead { max-width: 34rem; margin-top: 1.8rem; color: var(--studio-muted); font-size: 1.03rem; line-height: 1.75; }
.studio-reason__lead strong { color: var(--text); }
.studio-reason__list { display: grid; gap: .55rem; max-width: 36rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.studio-reason__list li { position: relative; padding-left: 1.15rem; color: var(--studio-muted); font-size: .93rem; line-height: 1.6; }
.studio-reason__list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 1px; background: var(--violet-bright); }
.studio-reason__services { max-width: 36rem; margin-top: 1.5rem; color: var(--studio-muted); font-size: .92rem; line-height: 1.6; }
.studio-reason__services a { color: var(--text); border-bottom: 1px solid var(--studio-line); transition: color .2s ease, border-color .2s ease; }
.studio-reason__services a:hover { color: var(--violet-bright); border-color: var(--violet); }

.studio-reason__visual { display: grid; place-items: center; }
.onethread { position: relative; width: min(100%,25rem); padding: clamp(1.6rem,3vw,2.2rem); border: 1px solid var(--studio-line); border-radius: var(--r-lg); background: linear-gradient(155deg, rgba(255,255,255,.05), rgba(132,18,241,.05)); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 40px 90px -55px rgba(132,18,241,.7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.onethread__tag { display: inline-block; color: var(--violet-bright); font: 600 .64rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; }
.onethread__flow { position: relative; margin: 1.5rem 0 0; padding: 0 0 0 1.7rem; list-style: none; }
.onethread__flow::before { content: ""; position: absolute; left: .3rem; top: .7rem; bottom: .7rem; width: 1.5px; background: linear-gradient(var(--violet-bright), rgba(168,85,255,.15)); }
.onethread__row { position: relative; display: flex; flex-direction: column; gap: .15rem; padding: .75rem 0; }
.onethread__row + .onethread__row { border-top: 1px solid var(--studio-soft); }
.onethread__dot { position: absolute; left: -1.55rem; top: 1.05rem; width: .6rem; height: .6rem; border-radius: 50%; background: var(--violet); border: 1px solid rgba(255,255,255,.35); box-shadow: 0 0 0 .22rem rgba(132,18,241,.12); }
.onethread__row b { color: var(--text); font: 600 1.05rem/1.1 var(--font-display); letter-spacing: -.01em; }
.onethread__row i { color: var(--studio-muted); font-style: normal; font-size: .84rem; }
.onethread__foot { margin-top: 1.4rem; padding-top: 1.1rem; border-top: 1px solid var(--studio-soft); color: var(--studio-faint); font-size: .84rem; }

/* =====================================================================
   03 / CÓMO TRABAJA — cinco etapas conectadas por un hilo vertical
   ===================================================================== */
.studio-process { padding: var(--section-y) 0; border-top: 1px solid var(--studio-soft); }
.studio-process__grid { display: grid; grid-template-columns: minmax(250px,.74fr) minmax(0,1.26fr); gap: clamp(2.5rem,8vw,7rem); align-items: start; }
.studio-process__intro { position: sticky; top: 8rem; }
.studio-process__intro h2 { max-width: 22ch; margin-top: 1.3rem; font-size: var(--fs-h2); letter-spacing: -.055em; line-height: 1; }
.studio-process__intro p:not(.section-kicker) { max-width: 30ch; margin-top: 1.3rem; color: var(--studio-muted); font-size: .98rem; line-height: 1.65; }

.process-steps { position: relative; margin: 0; padding: 0; list-style: none; }
/* Hilo continuo que conecta las cinco etapas */
.process-steps::before { content: ""; position: absolute; left: 1.05rem; top: 1.6rem; bottom: 1.6rem; width: 1.5px; background: linear-gradient(var(--violet) 0%, rgba(168,85,255,.35) 60%, var(--studio-soft) 100%); }
.process-step { position: relative; display: grid; grid-template-columns: 2.1rem 1fr; gap: 1.3rem; align-items: start; padding: 1.6rem 0; border-bottom: 1px solid var(--studio-soft); }
.process-step:first-child { padding-top: 0; }
.process-step:first-child::before { top: 0; }
.process-step:last-child { border-bottom: 0; padding-bottom: 0; }
.process-step__num { position: relative; z-index: 1; display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%; border: 1px solid var(--studio-line); background: var(--bg-1); color: var(--studio-muted); font: 600 .78rem/1 var(--font-display); letter-spacing: .04em; transition: border-color .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease); }
.process-step:first-child .process-step__num { border-color: var(--violet); color: var(--text); background: var(--violet); box-shadow: 0 0 0 4px rgba(132,18,241,.14), 0 0 20px -2px var(--violet-glow); }
.process-step:hover .process-step__num { border-color: var(--violet-bright); color: var(--text); box-shadow: 0 0 0 4px rgba(132,18,241,.1); }
.process-step__body h3 { font-size: clamp(1.3rem,2.3vw,2.05rem); letter-spacing: -.04em; line-height: 1.05; }
.process-step__body > p { max-width: 44rem; margin-top: .7rem; color: var(--studio-muted); font-size: .95rem; line-height: 1.7; }
.process-step__result { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem .7rem; max-width: 44rem; margin-top: .95rem !important; padding-top: .9rem; border-top: 1px solid var(--studio-soft); color: var(--studio-muted) !important; font-size: .88rem !important; }
.process-step__result span { color: var(--violet-bright); font: 600 .62rem/1.3 var(--font-body); letter-spacing: .12em; text-transform: uppercase; }

/* =====================================================================
   03b / COLABORACIÓN — tres tarjetas conectadas
   ===================================================================== */
.studio-roles { padding: var(--section-y) 0; border-top: 1px solid var(--studio-soft); }
.studio-roles__head h2 { max-width: 26ch; margin-top: 1.2rem; font-size: var(--fs-h2); letter-spacing: -.035em; line-height: 1.1; }
.roles-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(1.1rem,2.4vw,1.6rem); margin-top: clamp(2rem,4vw,3rem); }
.roles-col { position: relative; padding: clamp(1.5rem,2.4vw,2rem); border: 1px solid var(--studio-line); border-radius: var(--r-md); background: var(--studio-card); overflow: hidden; transition: transform .4s var(--ease), border-color .4s var(--ease), background-color .4s var(--ease); }
.roles-col::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 2px; background: linear-gradient(90deg, var(--violet), transparent 75%); opacity: .5; }
.roles-col:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface); }
.roles-col--shared { border-color: rgba(168,85,255,.28); background: linear-gradient(160deg, rgba(132,18,241,.07), rgba(255,255,255,.02)); }
.roles-col--shared::before { opacity: 1; background: linear-gradient(90deg, var(--violet-bright), var(--violet) 60%, transparent); }
.roles-col__tag { display: inline-block; color: var(--text); font: 600 .95rem/1.2 var(--font-display); letter-spacing: -.01em; }
.roles-col ul { list-style: none; margin: 1.1rem 0 0; padding: 1rem 0 0; border-top: 1px solid var(--studio-line); display: grid; gap: .6rem; }
.roles-col li { position: relative; padding-left: 1.15rem; color: var(--studio-muted); font-size: .9rem; line-height: 1.5; }
.roles-col li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 1px; background: var(--studio-faint); }
.roles-col--shared li::before { background: var(--violet-bright); }
.roles-note { max-width: 52ch; margin-top: clamp(1.8rem,3.5vw,2.6rem); padding-top: 1.4rem; border-top: 1px solid var(--studio-soft); color: var(--studio-faint); font-size: .92rem; }

/* =====================================================================
   04 / EVIDENCIA — clientes frente a productos propios (compacto y sólido)
   ===================================================================== */
.studio-evidence { padding: var(--section-y) 0; border-top: 1px solid var(--studio-soft); }
.studio-evidence__head h2 { max-width: 24ch; margin-top: 1.2rem; font-size: var(--fs-h2); letter-spacing: -.035em; line-height: 1.1; }
.studio-evidence__lead { max-width: 46ch; margin-top: 1.3rem; color: var(--studio-muted); font-size: 1rem; line-height: 1.7; }
.evidence-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: clamp(1.1rem,2.5vw,1.6rem); margin-top: clamp(2rem,4vw,3rem); }
.evidence-block { display: flex; flex-direction: column; padding: clamp(1.5rem,2.5vw,2rem); border: 1px solid var(--studio-line); border-radius: var(--r-md); background: var(--studio-card); }
.evidence-block--own { border-color: rgba(168,85,255,.28); background: linear-gradient(160deg, rgba(132,18,241,.06), rgba(255,255,255,.02)); }
.evidence-block__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1.1rem; margin-bottom: .3rem; border-bottom: 1px solid var(--studio-soft); }
.evidence-block__label { color: var(--violet-bright); font: 600 .68rem/1.2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; }
.evidence-block__link { display: inline-flex; gap: .4rem; align-items: center; color: var(--text); font: 500 .82rem/1 var(--font-display); white-space: nowrap; transition: color .2s ease; }
.evidence-block__link span { transition: transform .25s var(--ease); }
.evidence-block__link:hover { color: var(--violet-bright); }
.evidence-block__link:hover span { transform: translateX(3px); }
.evidence-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.evidence-item { padding: 1rem 0; border-bottom: 1px solid var(--studio-soft); }
.evidence-item:last-child { border-bottom: 0; padding-bottom: 0; }
.evidence-item__name { display: block; color: var(--text); font: 600 1.08rem/1.15 var(--font-display); letter-spacing: -.02em; }
.evidence-item__meta { display: block; margin-top: .3rem; color: var(--studio-muted); font-size: .86rem; }
.evidence-item__link { display: block; }
.evidence-item__link .evidence-item__name span { display: inline-block; color: var(--violet-bright); transition: transform .25s var(--ease); }
.evidence-item__link:hover .evidence-item__name { color: var(--violet-bright); }
.evidence-item__link:hover .evidence-item__name span { transform: translateX(3px); }
.evidence-item__name { transition: color .2s ease; }

/* =====================================================================
   05 / CTA FINAL — presente pero integrado, sin titular sobredimensionado
   ===================================================================== */
.studio-closing { padding: calc(var(--section-y) * 1.05) 0; border-top: 1px solid var(--studio-soft); }
.studio-closing__inner { position: relative; max-width: 46rem; margin-inline: auto; padding: clamp(2.5rem,5vw,4rem) clamp(1.5rem,4vw,3.5rem); text-align: center; border: 1px solid var(--studio-line); border-radius: var(--r-lg); background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(132,18,241,.05)); box-shadow: inset 0 1px 0 rgba(255,255,255,.08); overflow: hidden; }
.studio-closing__aura { position: absolute; z-index: 0; left: 50%; top: 40%; width: min(30rem,70%); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(132,18,241,.2), transparent 68%); filter: blur(26px); transform: translate(-50%,-50%); pointer-events: none; }
.studio-closing__inner > * { position: relative; z-index: 1; }
.studio-closing h2 { max-width: 22ch; margin: 1.2rem auto 0; font-size: var(--fs-h2-lg); letter-spacing: -.035em; line-height: 1.1; }
.studio-closing p:not(.section-kicker) { max-width: 40ch; margin: 1.3rem auto 0; color: var(--studio-muted); font-size: 1.02rem; line-height: 1.65; }
.studio-closing__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; margin-top: 2.1rem; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 960px) {
  .studio-hero__grid { grid-template-columns: 1fr; gap: 3rem; }
  .studio-hero__visual { min-height: 26rem; }
  .thread { width: min(100%,26rem); }
  .studio-reason__grid { grid-template-columns: 1fr; gap: 2.8rem; }
  .studio-reason__visual { justify-items: start; }
  .onethread { width: min(100%,26rem); }
  .studio-process__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .studio-process__intro { position: static; }
}
@media (max-width: 760px) {
  .roles-grid { grid-template-columns: 1fr; gap: 1rem; }
  .evidence-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  /* 100vw incluía la barra de scroll y desbordaba 15px en móvil con scrollbar. */
  .studio-page { width: 100%; max-width: 100%; }
  .studio-page .site-header { width: 100%; padding-inline: 1rem; }
  .studio-page .site-header__inner { width: 100%; max-width: none; min-width: 0; padding-right: 4rem; }
  .studio-page .menu-toggle { display: inline-flex !important; position: absolute; top: 50%; right: .45rem; transform: translateY(-50%); flex: 0 0 44px; }
  .studio-shell { width: min(var(--container-wide), calc(100% - 2.5rem)); }
  .studio-hero__title { font-size: clamp(2.2rem,8.5vw,3.4rem); }
  .studio-hero__lead { font-size: 1rem; line-height: 1.65; }
  .studio-hero__visual { min-height: 22rem; }
  .thread { width: min(100%,20rem); }
  .thread__card b, .thread__step { font-size: .5rem; }
  .thread__card b { font-size: .72rem; }
  .process-step { grid-template-columns: 1.9rem 1fr; gap: 1rem; }
  .process-step__body h3 { font-size: 1.4rem; }
  .process-step__result { margin-top: .8rem !important; }
  .studio-closing h2 { font-size: clamp(1.75rem,7vw,2.4rem); }
}

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  .thread__line-flow { animation: none; }
  .thread__glow { animation: none; }
  .thread__mark, .thread__stage, .thread__result { transition: none; }
}