/* Layout: hoja de washi con sello. Columna ancha asimétrica, etiquetas en kanji en vertical
   al margen (como un pergamino), y el logo como hanko que se "pinta" trazo a trazo. */
:root {
  --paper: #F4EFE6;      /* papel washi: fondo */
  --paper-2: #EBE3D5;    /* washi más hondo: superficies */
  --ink: #281F1A;        /* marrón tinta: texto */
  --ink-soft: #6A5A4E;   /* tinta diluida: texto secundario */
  --shu: #B54E2B;        /* terracota (bermellón del sello): acento */
  --on-shu: #FBF7F1;
  --line: rgba(40, 31, 26, .14);
  --band-bg: #281F1A;
  --band-fg: #F4EFE6;
  --band-soft: #BFB1A3;
  --band-line: rgba(244, 239, 230, .16);
  --mark-ink: #281F1A;   /* barras oscuras del logo */
  --shadow: rgba(40, 31, 26, .35);

  --f-display: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  --f-body: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --wrap: 1180px;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  interpolate-size: allow-keywords;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1D1713; --paper-2: #29211B; --ink: #F1EADF; --ink-soft: #B4A697;
    --shu: #D8693F; --on-shu: #1D1713; --line: rgba(241, 234, 223, .13);
    --band-bg: #2B221C; --band-fg: #F1EADF; --band-soft: #B4A697; --band-line: rgba(241, 234, 223, .14);
    --mark-ink: #F1EADF; --shadow: rgba(0, 0, 0, .55); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #1D1713; --paper-2: #29211B; --ink: #F1EADF; --ink-soft: #B4A697;
  --shu: #D8693F; --on-shu: #1D1713; --line: rgba(241, 234, 223, .13);
  --band-bg: #2B221C; --band-fg: #F1EADF; --band-soft: #B4A697; --band-line: rgba(241, 234, 223, .14);
  --mark-ink: #F1EADF; --shadow: rgba(0, 0, 0, .55); color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 40; background: var(--paper); }
::selection { background: var(--shu); color: var(--on-shu); }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--shu); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 900; line-height: 1.08; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.mono { font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; }
.accent { color: var(--shu); }

/* ---------- Barra de progreso de lectura ---------- */
.progress { position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; height: 2px; background: var(--shu); transform-origin: left center; transform: scaleX(0); z-index: 50; pointer-events: none; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font: 600 16px/1 var(--f-body); text-decoration: none; cursor: pointer;
  padding: 15px 22px; border-radius: 999px; border: 1.5px solid transparent;
  transition: transform 160ms var(--ease-out), background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--shu); color: var(--on-shu); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn svg { width: 16px; height: 16px; flex: none; transition: transform 200ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: color-mix(in srgb, var(--shu) 88%, var(--ink)); }
  .btn-ghost:hover { border-color: var(--ink); }
  .btn:hover svg { transform: translateX(3px); }
}

/* ---------- Cabecera ---------- */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(12px) saturate(1.2); -webkit-backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid transparent; transition: border-color 200ms ease;
}
.site-head.scrolled { border-bottom-color: var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { width: 30px; height: 30px; }
.brand b { font: 900 21px/1 var(--f-display); letter-spacing: -0.01em; }
.brand small { font: 500 11px/1 var(--f-mono); color: var(--ink-soft); letter-spacing: .1em; text-transform: uppercase; margin-left: 2px; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a:not(.btn) { text-decoration: none; font-weight: 500; font-size: 15px; color: var(--ink-soft); transition: color 200ms ease; }
@media (hover: hover) and (pointer: fine) { .nav a:not(.btn):hover { color: var(--ink); } }
.nav .btn { padding: 11px 18px; font-size: 15px; white-space: nowrap; }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1.5px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; place-items: center; transition: transform 160ms var(--ease-out); }
.menu-btn:active { transform: scale(0.95); }
.menu-btn span { display: block; width: 18px; height: 1.5px; background: currentColor; position: relative; transition: background-color 160ms ease; }
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: currentColor; transition: transform 220ms var(--ease-out); }
.menu-btn span::before { transform: translateY(-6px); }
.menu-btn span::after { transform: translateY(6px); }
.menu-btn[aria-expanded="true"] span { background: transparent; }
.menu-btn[aria-expanded="true"] span::before { transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span::after { transform: rotate(-45deg); }
.sheet {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--paper); border-bottom: 1px solid var(--line);
  padding: 8px var(--gutter-r) 24px var(--gutter-l);
  display: grid; gap: 4px;
  opacity: 0; transform: translateY(-8px); visibility: hidden;
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), visibility 0s linear 200ms;
}
.sheet.open { opacity: 1; transform: none; visibility: visible; transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out); }
.sheet a:not(.btn) { text-decoration: none; font: 700 22px/1 var(--f-display); padding: 14px 0; border-bottom: 1px solid var(--line); }
.sheet .btn { margin-top: 16px; justify-content: center; }
@media (min-width: 1081px) { .sheet { display: none; } }
@media (max-width: 1080px) {
  .nav a:not(.btn) { display: none; }
  .menu-btn { display: grid; }
}
@media (max-width: 560px) { .nav .btn { display: none; } .brand small { display: none; } }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(48px, 8vw, 104px) clamp(56px, 7vw, 96px); position: relative; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: var(--ink-soft); margin-bottom: 28px; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--shu); position: relative; }
.eyebrow .dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1.5px solid var(--shu); opacity: 0; }
.hero h1 { font-size: clamp(42px, 6.4vw, 84px); }
.hero h1 .w { display: inline-block; overflow: clip; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.hero h1 .w > span { display: inline-block; }
.hero .lede { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-soft); max-width: 36ch; margin-top: 28px; }
.hero .lede strong { color: var(--ink); font-weight: 600; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 40px; color: var(--ink-soft); font-size: 15px; }
.trust span { display: inline-flex; align-items: center; gap: 8px; }
.trust svg { width: 16px; height: 16px; color: var(--shu); }

.seal { position: relative; display: grid; gap: 20px; justify-items: center; }
.seal-mark {
  width: min(100%, 380px); aspect-ratio: 1; max-width: 100%;
  background: var(--paper-2); border-radius: 28px; display: grid; place-items: center;
  position: relative; overflow: hidden; will-change: transform;
}
.seal-mark::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    repeating-linear-gradient(17deg, transparent 0 22px, var(--line) 22px 23px, transparent 23px 61px),
    repeating-linear-gradient(-31deg, transparent 0 37px, var(--line) 37px 38px, transparent 38px 90px);
  mask-image: radial-gradient(circle at 50% 50%, transparent 30%, #000 85%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, transparent 30%, #000 85%);
}
.seal-mark svg { width: 68%; height: 68%; position: relative; z-index: 1; }
.seal-mark .stroke { transform-box: fill-box; }
.dict {
  width: min(100%, 380px); border-top: 1.5px solid var(--ink); padding-top: 16px;
  display: grid; grid-template-columns: auto 1fr; gap: 4px 18px; align-items: baseline;
}
.dict .word { grid-row: span 3; font: 900 44px/1 var(--f-display); letter-spacing: .04em; }
.dict ruby rt { font: 500 11px/1 var(--f-display); letter-spacing: .12em; color: var(--ink-soft); }
.dict .pos { font-family: var(--f-mono); font-size: 12px; color: var(--ink-soft); letter-spacing: .04em; }
.dict .pos i { font-style: normal; color: var(--ink); font-weight: 500; }
.dict ol { margin: 4px 0 0; padding-left: 1.2em; font-size: 15px; line-height: 1.5; }
.dict li::marker { color: var(--shu); font-family: var(--f-mono); font-size: 12px; }
@media (max-width: 880px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .seal { grid-template-columns: minmax(0, 150px) minmax(0, 1fr); align-items: center; justify-items: stretch; gap: 20px; }
  .seal-mark { border-radius: 20px; }
  .dict { border-top: 0; padding-top: 0; border-left: 1.5px solid var(--ink); padding-left: 18px; }
  .dict .word { font-size: 34px; }
}
@media (max-width: 440px) { .dict { grid-template-columns: 1fr; } .dict .word { grid-row: auto; } }

/* animaciones de entrada (una vez, al cargar) */
@keyframes brush-x { from { transform: scaleX(0.04); opacity: .2; } to { transform: scaleX(1); opacity: 1; } }
@keyframes brush-y { from { transform: scaleY(0.04); opacity: .2; } to { transform: scaleY(1); opacity: 1; } }
@keyframes word-up { from { transform: translateY(105%); } to { transform: translateY(0); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes ping { 0% { opacity: .7; transform: scale(.6); } 100% { opacity: 0; transform: scale(1.8); } }
@media (prefers-reduced-motion: no-preference) {
  .seal-mark .sx { transform-origin: left center; animation: brush-x 520ms var(--ease-out) both; }
  .seal-mark .sy { transform-origin: center top; animation: brush-y 520ms var(--ease-out) both; }
  .seal-mark .stroke:nth-child(1) { animation-delay: 320ms; }
  .seal-mark .stroke:nth-child(2) { animation-delay: 430ms; }
  .seal-mark .stroke:nth-child(3) { animation-delay: 500ms; }
  .seal-mark .stroke:nth-child(4) { animation-delay: 570ms; }
  .seal-mark .stroke:nth-child(5) { animation-delay: 640ms; }
  .seal-mark .stroke:nth-child(6) { animation-delay: 710ms; }
  .seal-mark .stroke:nth-child(7) { animation-delay: 780ms; }
  .seal-mark .stroke:nth-child(8) { animation-delay: 850ms; }
  .hero h1 .w > span { animation: word-up 760ms var(--ease-out) both; animation-delay: calc(var(--i) * 55ms + 60ms); }
  .hero .in { animation: fade-up 700ms var(--ease-out) both; animation-delay: var(--d, 500ms); }
  .eyebrow .dot::after { animation: ping 2.4s var(--ease-out) 1.2s infinite; }
}

/* ---------- Cinta de sectores ---------- */
.ribbon { border-block: 1px solid var(--line); padding-block: 22px; overflow: hidden; }
.ribbon .lbl { text-align: center; color: var(--ink-soft); margin-bottom: 16px; }
.marquee { display: flex; width: max-content; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 40px; padding-right: 40px; flex: none; }
.marquee-track span { font: 700 clamp(20px, 2.2vw, 28px)/1 var(--f-display); white-space: nowrap; display: inline-flex; align-items: center; gap: 40px; }
.marquee-track span::after { content: "天"; font-size: .6em; color: var(--shu); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: no-preference) {
  .marquee { animation: marquee 42s linear infinite; }
  .ribbon:hover .marquee { animation-play-state: paused; }
}
@media (prefers-reduced-motion: reduce) { .marquee { width: auto; flex-wrap: wrap; justify-content: center; mask-image: none; -webkit-mask-image: none; } .marquee-track + .marquee-track { display: none; } .marquee-track { flex-wrap: wrap; justify-content: center; } }

/* ---------- Secciones ---------- */
.section { padding-block: clamp(72px, 10vw, 128px); }
.sec-grid { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: clamp(20px, 4vw, 48px); }
.sec-grid > * { min-width: 0; }
.tag-v {
  writing-mode: vertical-rl; font: 700 15px/1 var(--f-display); letter-spacing: .5em;
  color: var(--shu); padding-top: 6px; display: flex; gap: 18px; align-items: center; align-self: start;
  position: sticky; top: 100px;
}
.tag-v .mono { writing-mode: vertical-rl; color: var(--ink-soft); letter-spacing: .2em; font-size: 11px; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 6vw, 64px); }
.sec-head h2 { font-size: clamp(34px, 4.4vw, 56px); }
.sec-head p { color: var(--ink-soft); font-size: 18px; max-width: 46ch; }
@media (max-width: 760px) {
  .sec-grid { grid-template-columns: minmax(0, 1fr); }
  .tag-v { writing-mode: horizontal-tb; letter-spacing: .3em; padding-top: 0; position: static; }
  .tag-v .mono { writing-mode: horizontal-tb; }
  .sec-head { grid-template-columns: 1fr; }
}
.alt { background: var(--paper-2); }

/* ---------- Servicios ---------- */
.services { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.svc {
  border: 1px solid var(--line); border-radius: 22px; padding: 28px;
  display: grid; gap: 14px; align-content: start; background: var(--paper);
  min-width: 0; transition: transform 300ms var(--ease-out), border-color 200ms ease, box-shadow 300ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .svc-small:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--shu) 40%, var(--line)); box-shadow: 0 22px 40px -30px var(--shadow); }
}
.svc h3 { font-size: 26px; letter-spacing: -0.01em; }
.svc p { color: var(--ink-soft); font-size: 16px; }
.svc .fit { font-size: 14.5px; color: var(--ink); padding-top: 14px; border-top: 1px dashed var(--line); margin-top: auto; }
.svc .fit b { font-weight: 600; color: var(--shu); }
.svc-web { grid-column: span 6; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 32px 48px; align-items: center; background: var(--paper-2); border-color: transparent; padding: clamp(28px, 4vw, 48px); }
.svc-web h3 { font-size: clamp(30px, 3.4vw, 42px); }
.svc-web .kicker { color: var(--shu); }
.svc-web ul { list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 10px; font-size: 16px; }
.svc-web li { display: flex; gap: 10px; align-items: baseline; }
.svc-web li::before { content: ""; width: 14px; height: 2px; background: var(--shu); flex: none; transform: translateY(-4px); }
.svc-small { grid-column: span 2; }
@media (max-width: 980px) { .svc-small { grid-column: span 3; } .svc-small:last-child { grid-column: span 6; } }
@media (max-width: 760px) { .svc-web { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .svc-small, .svc-small:last-child { grid-column: span 6; } }

.mock { position: relative; padding-bottom: 28px; padding-right: 28px; }
.browser { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 24px 48px -28px var(--shadow); }
.browser .bar { display: flex; align-items: center; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.browser .bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.browser .bar span { margin-left: 10px; font: 400 11px/1 var(--f-mono); color: var(--ink-soft); background: var(--paper-2); padding: 5px 10px; border-radius: 6px; flex: 1; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.browser .page { padding: 22px 20px 24px; display: grid; gap: 10px; }
.sk { height: 9px; border-radius: 4px; background: var(--line); transform-origin: left center; }
.sk.h { height: 18px; width: 72%; background: var(--ink); opacity: .85; }
.sk.h2 { height: 18px; width: 48%; background: var(--ink); opacity: .85; }
.sk.cta { height: 26px; width: 120px; border-radius: 999px; background: var(--shu); margin-top: 6px; }
.sk-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.sk-row div { aspect-ratio: 4 / 3; border-radius: 8px; background: var(--paper-2); }
.phone { position: absolute; right: 0; bottom: 0; width: 30%; max-width: 132px; aspect-ratio: 9 / 18; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 16px 10px; display: grid; gap: 7px; align-content: start; box-shadow: 0 24px 40px -22px var(--shadow); }
.phone .sk.h { width: 90%; height: 12px; }
.phone .sk.cta { width: 70%; height: 18px; }
/* el boceto se "construye" al entrar en pantalla */
@keyframes grow-x { from { transform: scaleX(0.05); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }
@media (prefers-reduced-motion: no-preference) {
  .js .mock .sk { opacity: 0; }
  .mock.built .sk { animation: grow-x 600ms var(--ease-out) both; }
  .mock.built .browser .sk:nth-child(2) { animation-delay: 70ms; }
  .mock.built .browser .sk:nth-child(3) { animation-delay: 140ms; }
  .mock.built .browser .sk:nth-child(4) { animation-delay: 210ms; }
  .mock.built .browser .sk:nth-child(5) { animation-delay: 300ms; }
  .mock.built .phone .sk { animation-delay: 380ms; }
  .js .mock .phone { transform: translateY(16px); opacity: 0; transition: transform 700ms var(--ease-out) 250ms, opacity 700ms var(--ease-out) 250ms; }
  .mock.built .phone { transform: none; opacity: 1; }
}

.chat { display: grid; gap: 8px; font-size: 14px; margin: 4px 0; }
.bubble { padding: 9px 13px; border-radius: 16px; max-width: 88%; line-height: 1.4; }
.bubble.them { background: var(--paper-2); border-bottom-left-radius: 4px; justify-self: start; }
.bubble.us { background: var(--shu); color: var(--on-shu); justify-self: end; border-bottom-right-radius: 4px; }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font: 500 12.5px/1 var(--f-mono); margin: 4px 0; }
.flow span { padding: 8px 10px; border-radius: 8px; background: var(--paper-2); }
.flow svg { width: 14px; height: 14px; color: var(--shu); flex: none; }
.draft { font-size: 14px; background: var(--paper-2); border-radius: 12px; padding: 12px 14px; line-height: 1.45; margin: 4px 0; }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--shu); vertical-align: -2px; margin-left: 2px; }
@media (prefers-reduced-motion: no-preference) { .caret { animation: blink 1.1s steps(1) infinite; } }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Demo de chatbot ---------- */
.demo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px 72px; align-items: center; }
.demo-copy h2 { font-size: clamp(34px, 4.4vw, 56px); }
.demo-copy > p { color: var(--ink-soft); font-size: 18px; margin-top: 20px; max-width: 42ch; }
.demo-points { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.demo-points li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; font-size: 16px; }
.demo-points svg { width: 22px; height: 22px; color: var(--shu); margin-top: 2px; }
.demo-points b { font-weight: 600; }
.widget { background: var(--paper); border-radius: 26px; border: 1px solid var(--line); box-shadow: 0 40px 70px -46px var(--shadow); overflow: hidden; max-width: 440px; width: 100%; justify-self: center; }
.widget-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.widget-head .av { width: 38px; height: 38px; border-radius: 50%; background: var(--paper-2); display: grid; place-items: center; font: 900 15px/1 var(--f-display); color: var(--shu); }
.widget-head b { display: block; font-size: 15px; }
.widget-head small { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); font-size: 13px; }
.widget-head small::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #3E9A5B; }
.widget-head .tag { margin-left: auto; color: var(--ink-soft); font-size: 11px; border: 1px solid var(--line); padding: 5px 8px; border-radius: 6px; }
.msgs { height: 300px; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 10px; font-size: 15px; scroll-behavior: smooth; }
.msgs .bubble { max-width: 82%; }
.msgs .bubble.new { animation: msg-in 280ms var(--ease-out) both; }
@keyframes msg-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.typing { display: inline-flex; gap: 4px; padding: 13px 15px; background: var(--paper-2); border-radius: 16px; border-bottom-left-radius: 4px; align-self: flex-start; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-soft); }
@media (prefers-reduced-motion: no-preference) {
  .typing i { animation: dot 1s ease-in-out infinite; }
  .typing i:nth-child(2) { animation-delay: .15s; }
  .typing i:nth-child(3) { animation-delay: .3s; }
}
@keyframes dot { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-4px); opacity: 1; } }
.asks { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 18px 18px; border-top: 1px solid var(--line); }
.ask { font: 500 14px/1.2 var(--f-body); padding: 10px 13px; border-radius: 999px; border: 1.5px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; transition: border-color 160ms ease, background-color 160ms ease, transform 160ms var(--ease-out), opacity 160ms ease; }
.ask:active { transform: scale(0.96); }
.ask:disabled { opacity: .45; cursor: default; }
@media (hover: hover) and (pointer: fine) { .ask:not(:disabled):hover { border-color: var(--shu); } }
@media (max-width: 860px) { .demo { grid-template-columns: 1fr; } }

/* ---------- Sectores (pestañas) ---------- */
.tabs { position: relative; display: flex; gap: 4px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; margin-bottom: 36px; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: none; font: 600 16px/1 var(--f-body); color: var(--ink-soft); background: none; border: 0; padding: 16px 18px 18px; cursor: pointer; transition: color 200ms ease; }
.tab[aria-selected="true"] { color: var(--ink); }
.tab-ind { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100px; background: var(--shu); transform-origin: left center; transition: transform 380ms var(--ease-in-out); }
.panel { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px 64px; align-items: start; }
.panel[hidden] { display: none; }
.panel.show { animation: panel-in 360ms var(--ease-out) both; }
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); filter: blur(3px); } to { opacity: 1; transform: none; filter: none; } }
.panel h3 { font-size: clamp(26px, 3vw, 36px); }
.panel .pain { margin-top: 18px; color: var(--ink-soft); font-size: 17px; max-width: 44ch; }
.panel .pain b { color: var(--ink); font-weight: 600; }
.panel .goal { margin-top: 24px; display: inline-flex; gap: 10px; align-items: center; font-weight: 600; font-size: 15px; padding: 10px 14px; border-radius: 12px; background: var(--paper-2); }
.panel .goal svg { width: 18px; height: 18px; color: var(--shu); }
.builds { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.builds li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 18px; border-radius: 18px; border: 1px solid var(--line); }
.builds .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--paper-2); display: grid; place-items: center; color: var(--shu); }
.builds .ic svg { width: 22px; height: 22px; }
.builds b { display: block; font-size: 16px; margin-bottom: 2px; }
.builds span { color: var(--ink-soft); font-size: 15px; }
.panel.show .builds li { animation: fade-up 420ms var(--ease-out) both; }
.panel.show .builds li:nth-child(2) { animation-delay: 60ms; }
.panel.show .builds li:nth-child(3) { animation-delay: 120ms; }
.note { margin-top: 28px; color: var(--ink-soft); font-size: 14px; }
@media (max-width: 820px) { .panel { grid-template-columns: 1fr; } }

/* ---------- Franja: rapidez + criterio ---------- */
.band { background: var(--band-bg); color: var(--band-fg); overflow: hidden; }
.band .wrap { padding-block: clamp(72px, 10vw, 120px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 32px 72px; align-items: start; }
.band .big-kanji { font: 900 clamp(110px, 16vw, 210px)/0.9 var(--f-display); color: var(--shu); letter-spacing: -0.02em; }
.band .big-kanji small { display: block; font: 400 12.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--band-soft); margin-top: 18px; }
.band blockquote { margin: 0; font: 700 clamp(26px, 3vw, 38px)/1.25 var(--f-display); letter-spacing: -0.01em; text-wrap: balance; }
.band blockquote em { font-style: normal; color: var(--shu); }
.myths { margin-top: 48px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.myth { padding-block: 18px; border-top: 1px solid var(--band-line); display: grid; gap: 6px; }
.myth s { color: var(--band-soft); text-decoration-color: var(--shu); text-decoration-thickness: 2px; font-size: 15px; }
.myth p { font-size: 16px; }
@media (max-width: 820px) { .band .wrap { grid-template-columns: 1fr; } .myths { grid-template-columns: 1fr; } }

/* ---------- Calculadora ---------- */
.calc { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
.calc-in { display: grid; gap: 30px; padding: clamp(24px, 3.5vw, 40px); border-radius: 24px; border: 1px solid var(--line); background: var(--paper); }
.range { display: grid; gap: 12px; }
.range-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.range label { font-weight: 600; font-size: 16px; }
.range output { font: 900 24px/1 var(--f-display); font-variant-numeric: tabular-nums; color: var(--shu); white-space: nowrap; }
.range small { color: var(--ink-soft); font-size: 14px; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer; --p: 50%; }
input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--shu) var(--p), var(--line) var(--p)); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--shu) var(--p), var(--line) var(--p)); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; margin-top: -9px; border-radius: 50%; background: var(--paper); border: 2px solid var(--shu); box-shadow: 0 4px 10px -4px var(--shadow); transition: transform 160ms var(--ease-out); }
input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--paper); border: 2px solid var(--shu); }
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.12); }
.calc-out { border-radius: 24px; padding: clamp(24px, 3.5vw, 40px); background: var(--band-bg); color: var(--band-fg); display: grid; gap: 24px; align-content: space-between; position: relative; overflow: hidden; }
.calc-out::after { content: "時"; position: absolute; right: -10px; bottom: -40px; font: 900 220px/1 var(--f-display); color: var(--band-line); pointer-events: none; }
.calc-out .mono { color: var(--band-soft); }
.big-num { font: 900 clamp(56px, 7vw, 88px)/0.95 var(--f-display); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.big-num small { font: 700 20px/1 var(--f-display); color: var(--band-soft); margin-left: 6px; letter-spacing: 0; }
.out-row { display: grid; gap: 6px; position: relative; z-index: 1; }
.out-row + .out-row { padding-top: 20px; border-top: 1px solid var(--band-line); }
.out-row .sub { font: 900 34px/1 var(--f-display); font-variant-numeric: tabular-nums; color: var(--shu); }
.calc-out p { color: var(--band-soft); font-size: 14px; position: relative; z-index: 1; }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } }

/* ---------- Proceso ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; }
.step { position: relative; padding-top: 28px; display: grid; gap: 10px; align-content: start; }
.step::before { content: ""; position: absolute; top: 0; left: 0; right: -16px; height: 1.5px; background: var(--line); }
.step .seg { position: absolute; top: 0; left: 0; right: -16px; height: 1.5px; background: var(--shu); transform-origin: left center; transform: scaleX(0); transition: transform 700ms var(--ease-in-out); }
.step:last-child::before, .step:last-child .seg { right: 0; }
.step::after { content: ""; position: absolute; top: -5px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--paper); border: 2px solid var(--line); transition: background-color 300ms ease, border-color 300ms ease; }
.steps.on .step .seg { transform: scaleX(1); }
.steps.on .step::after { border-color: var(--shu); background: var(--shu); }
.steps.on .step:nth-child(2) .seg, .steps.on .step:nth-child(2)::after { transition-delay: 350ms; }
.steps.on .step:nth-child(3) .seg, .steps.on .step:nth-child(3)::after { transition-delay: 700ms; }
.steps.on .step:nth-child(4) .seg, .steps.on .step:nth-child(4)::after { transition-delay: 1050ms; }
.step .num { display: flex; align-items: baseline; gap: 10px; }
.step .num b { font: 900 46px/1 var(--f-display); color: var(--shu); }
.step .num span { color: var(--ink-soft); }
.step h3 { font-size: 26px; }
.step p { color: var(--ink-soft); font-size: 16px; max-width: 30ch; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 40px; } .step:nth-child(2)::before, .step:nth-child(2) .seg { right: 0; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } .step::before, .step .seg { right: 0; } }

/* ---------- Lo que incluye ---------- */
.feats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feat { padding: 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 12px; align-content: start; transition: background-color 250ms ease; }
.feat svg { width: 28px; height: 28px; color: var(--shu); transition: transform 300ms var(--ease-out); }
.feat h3 { font-size: 19px; letter-spacing: 0; }
.feat p { color: var(--ink-soft); font-size: 15px; }
@media (hover: hover) and (pointer: fine) { .feat:hover { background: var(--paper-2); } .feat:hover svg { transform: translateY(-3px) rotate(-4deg); } }
@media (max-width: 980px) { .feats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .feats { grid-template-columns: 1fr; } }

/* ---------- Por qué Tensai ---------- */
.why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 48px; }
.why-card { padding: 28px; border-radius: 22px; background: var(--paper); display: grid; gap: 12px; align-content: start; }
.why-card .k { font: 900 40px/1 var(--f-display); color: var(--shu); }
.why-card h3 { font-size: 22px; }
.why-card p { color: var(--ink-soft); font-size: 16px; }
@media (max-width: 860px) { .why { grid-template-columns: 1fr; } }
.table-wrap { overflow-x: auto; border-radius: 22px; background: var(--paper); }
.compare { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 15.5px; }
.compare th, .compare td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); }
.compare thead th { font: 700 15px/1.2 var(--f-display); color: var(--ink-soft); vertical-align: bottom; }
.compare thead th.us { color: var(--ink); }
.compare thead th.us span { display: inline-flex; align-items: center; gap: 8px; }
.compare thead th.us svg { width: 22px; height: 22px; }
.compare td.us { background: color-mix(in srgb, var(--shu) 8%, transparent); font-weight: 600; }
.compare tbody tr:last-child td, .compare tbody tr:last-child th { border-bottom: 0; }
.compare tbody th { font-weight: 500; }
.yes, .no, .mid { display: inline-flex; align-items: center; gap: 8px; }
.yes svg { width: 18px; height: 18px; color: var(--shu); }
.no { color: var(--ink-soft); }
.mid { color: var(--ink-soft); }

/* ---------- Llamada final terracota ---------- */
.cta-band { background: var(--shu); color: var(--on-shu); position: relative; overflow: hidden; }
.cta-band .wrap { padding-block: clamp(64px, 9vw, 112px); display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: center; position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(38px, 5.4vw, 72px); }
.cta-band p { font-size: 18px; margin-top: 18px; max-width: 40ch; opacity: .9; }
.cta-band .acts { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.cta-band .btn-inv { background: var(--on-shu); color: var(--shu); }
.cta-band .btn-line { border-color: color-mix(in srgb, var(--on-shu) 45%, transparent); color: var(--on-shu); }
@media (hover: hover) and (pointer: fine) { .cta-band .btn-line:hover { border-color: var(--on-shu); } .cta-band .btn-inv:hover { background: color-mix(in srgb, var(--on-shu) 90%, var(--shu)); } }
.cta-band .ghost-kanji { position: absolute; right: -2%; top: 50%; transform: translateY(-50%); font: 900 clamp(220px, 32vw, 420px)/1 var(--f-display); color: color-mix(in srgb, var(--on-shu) 12%, transparent); pointer-events: none; white-space: nowrap; }
@media (max-width: 820px) { .cta-band .wrap { grid-template-columns: 1fr; } .cta-band .acts { justify-content: flex-start; } }

/* ---------- Test ---------- */
.test { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 32px 56px; align-items: start; }
.checks { display: grid; gap: 0; border-top: 1px solid var(--line); }
.check { display: flex; align-items: center; gap: 16px; padding: 16px 4px; border-bottom: 1px solid var(--line); cursor: pointer; font-size: 17px; user-select: none; -webkit-tap-highlight-color: transparent; }
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check .box { width: 24px; height: 24px; flex: none; border-radius: 7px; border: 1.5px solid var(--ink-soft); display: grid; place-items: center; transition: background-color 160ms ease, border-color 160ms ease, transform 160ms var(--ease-out); }
.check .box svg { width: 14px; height: 14px; color: var(--on-shu); opacity: 0; transform: scale(0.6); transition: opacity 160ms ease, transform 200ms var(--ease-out); }
.check input:checked + .box { background: var(--shu); border-color: var(--shu); }
.check input:checked + .box svg { opacity: 1; transform: scale(1); }
.check input:focus-visible + .box { outline: 2px solid var(--shu); outline-offset: 3px; }
.check:active .box { transform: scale(0.92); }
.check .n { font: 500 12px/1 var(--f-mono); color: var(--ink-soft); width: 18px; flex: none; }
.result { position: sticky; top: 100px; background: var(--paper-2); border-radius: 22px; padding: 30px; display: grid; gap: 18px; }
.score { display: flex; align-items: baseline; gap: 10px; }
.score b { font: 900 76px/0.9 var(--f-display); font-variant-numeric: tabular-nums; display: inline-block; }
.score b.bump { animation: bump 260ms var(--ease-out); }
@keyframes bump { 40% { transform: scale(1.12); } }
.score span { color: var(--ink-soft); font-size: 18px; }
.meter { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.meter i { height: 8px; border-radius: 3px; background: var(--line); transition: background-color 200ms ease; }
.meter i.on { background: var(--shu); }
.verdict h3 { font-size: 24px; margin-bottom: 6px; }
.verdict p { color: var(--ink-soft); font-size: 16px; }
@media (max-width: 860px) { .test { grid-template-columns: 1fr; } .result { position: static; } }

/* ---------- FAQ ---------- */
.faq { display: grid; border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details::details-content { height: 0; overflow: clip; transition: height 300ms var(--ease-out), content-visibility 300ms allow-discrete; }
.faq details[open]::details-content { height: auto; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 22px 4px; font: 700 clamp(19px, 2vw, 22px)/1.3 var(--f-display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { width: 28px; height: 28px; flex: none; border-radius: 50%; border: 1.5px solid var(--line); position: relative; transition: transform 250ms var(--ease-out), border-color 200ms ease; }
.faq summary .pm::before, .faq summary .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.5px; background: var(--ink); transform: translate(-50%, -50%); }
.faq summary .pm::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq details[open] summary .pm { transform: rotate(45deg); border-color: var(--shu); }
.faq .ans { padding: 0 4px 24px; color: var(--ink-soft); max-width: 62ch; }
@media (hover: hover) and (pointer: fine) { .faq summary:hover .pm { border-color: var(--ink); } }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px 64px; align-items: start; }
.contact-intro h2 { font-size: clamp(38px, 5vw, 64px); }
.contact-intro p { color: var(--ink-soft); font-size: 18px; margin-top: 20px; max-width: 40ch; }
.dm { margin-top: 32px; display: flex; align-items: center; gap: 16px; padding: 18px 20px; border-radius: 18px; border: 1px solid var(--line); max-width: 420px; }
.dm .code { font: 900 22px/1 var(--f-display); background: var(--shu); color: var(--on-shu); padding: 12px 14px; border-radius: 12px; letter-spacing: .06em; }
.dm p { margin: 0; font-size: 15px; color: var(--ink); max-width: none; }
.dm p span { color: var(--ink-soft); }
.next { margin-top: 32px; display: grid; gap: 14px; max-width: 420px; }
.next .mono { color: var(--ink-soft); }
.next ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; counter-reset: n; }
.next li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; font-size: 15.5px; counter-increment: n; }
.next li::before { content: counter(n); width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--shu); color: var(--shu); display: grid; place-items: center; font: 500 12px/1 var(--f-mono); }
.brief { background: var(--paper-2); border-radius: 24px; padding: clamp(22px, 3.5vw, 36px); display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field > label, .field > .lbl { font-weight: 600; font-size: 15px; }
.field input, .field textarea {
  font: 400 16px/1.5 var(--f-body); color: var(--ink); background: var(--paper);
  border: 1.5px solid transparent; border-radius: 12px; padding: 13px 15px; width: 100%;
  transition: border-color 160ms ease;
}
.field textarea { resize: vertical; min-height: 104px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--shu); }
.field ::placeholder { color: var(--ink-soft); opacity: .75; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 500 15px/1 var(--f-body); padding: 11px 15px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms var(--ease-out); }
.chip:active { transform: scale(0.96); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.preview { font: 400 14px/1.55 var(--f-mono); background: var(--paper); border-radius: 12px; padding: 14px 16px; white-space: pre-wrap; color: var(--ink); border: 1px dashed var(--line); max-height: 220px; overflow: auto; }
.brief-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.brief-actions .status { font-size: 14px; color: var(--ink-soft); min-height: 1.2em; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }

/* ---------- Pie ---------- */
.foot { border-top: 1px solid var(--line); padding-top: 64px; overflow: hidden; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot-brand p { color: var(--ink-soft); font-size: 15px; margin-top: 16px; max-width: 32ch; }
.foot h4 { font: 500 12px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin: 6px 0 16px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15px; }
.foot ul a { text-decoration: none; color: var(--ink); background: linear-gradient(var(--shu), var(--shu)) 0 100% / 0 1.5px no-repeat; transition: background-size 250ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .foot ul a:hover { background-size: 100% 1.5px; } }
.foot-word { font: 900 clamp(90px, 19vw, 260px)/0.8 var(--f-display); letter-spacing: -0.03em; color: var(--paper-2); margin-top: 56px; white-space: nowrap; user-select: none; display: flex; align-items: flex-end; gap: .1em; }
.foot-word span { color: color-mix(in srgb, var(--shu) 22%, var(--paper-2)); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 20px calc(24px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 13.5px; }
@media (max-width: 820px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .foot-brand { grid-column: 1 / -1; } }

/* ---------- Pop-up: brief para artistas ---------- */
.promo {
  border: 0; padding: 0; margin: auto; border-radius: 26px; overflow: hidden;
  width: min(520px, calc(100% - 32px)); max-height: calc(100% - 32px);
  background: var(--paper); color: var(--ink);
  box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .6);
  opacity: 0; transform: translateY(14px) scale(.97);
  transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out), overlay 220ms allow-discrete, display 220ms allow-discrete;
}
.promo[open] { opacity: 1; transform: none; transition-duration: 320ms; }
@starting-style { .promo[open] { opacity: 0; transform: translateY(14px) scale(.97); } }
.promo::backdrop { background: rgba(20, 15, 12, 0); backdrop-filter: blur(0); transition: background-color 320ms ease, backdrop-filter 320ms ease, overlay 320ms allow-discrete, display 320ms allow-discrete; }
.promo[open]::backdrop { background: rgba(20, 15, 12, .55); backdrop-filter: blur(4px); }
@starting-style { .promo[open]::backdrop { background: rgba(20, 15, 12, 0); backdrop-filter: blur(0); } }
.promo-top { position: relative; background: var(--band-bg); color: var(--band-fg); padding: 28px 28px 24px; overflow: hidden; }
.promo-top .k { position: absolute; right: -6px; bottom: -30px; font: 900 130px/1 var(--f-display); color: var(--shu); opacity: .45; letter-spacing: -.04em; pointer-events: none; }
.promo-top .mono { color: var(--band-soft); position: relative; }
.promo-top .mono b { color: var(--shu); font-weight: 500; }
.promo-top h2 { position: relative; font-size: clamp(28px, 6vw, 36px); margin-top: 14px; max-width: 12ch; }
.promo-body { padding: 24px 28px 28px; display: grid; gap: 18px; }
.promo-body > p { color: var(--ink-soft); font-size: 16px; }
.promo-facts { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.promo-facts li { font: 500 13px/1 var(--f-mono); padding: 8px 10px; border-radius: 8px; background: var(--paper-2); }
.promo-acts { display: flex; flex-wrap: wrap; gap: 10px; }
.promo-x { position: absolute; top: 14px; right: 14px; z-index: 2; width: 38px; height: 38px; border-radius: 50%; border: 0; background: color-mix(in srgb, var(--band-fg) 14%, transparent); color: var(--band-fg); cursor: pointer; display: grid; place-items: center; transition: background-color 160ms ease, transform 160ms var(--ease-out); }
.promo-x:active { transform: scale(.94); }
.promo-x svg { width: 14px; height: 14px; }
@media (hover: hover) and (pointer: fine) { .promo-x:hover { background: color-mix(in srgb, var(--band-fg) 24%, transparent); } }
@media (prefers-reduced-motion: reduce) { .promo, .promo[open] { transform: none; } @starting-style { .promo[open] { transform: none; } } }
.pill { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 6px 14px 6px 6px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; font-size: 14.5px; font-weight: 500; transition: border-color 200ms ease, transform 160ms var(--ease-out); }
.pill:active { transform: scale(.98); }
.pill b { font: 500 11px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; background: var(--shu); color: var(--on-shu); padding: 6px 9px; border-radius: 999px; }
.pill svg { width: 14px; height: 14px; color: var(--shu); transition: transform 200ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .pill:hover { border-color: var(--shu); } .pill:hover svg { transform: translateX(3px); } }

/* aparición suave al hacer scroll: parte visible, solo se desliza un poco */
@media (prefers-reduced-motion: no-preference) {
  .rise { transition: transform 700ms var(--ease-out), opacity 700ms var(--ease-out); }
  .js .rise.pending { transform: translateY(18px); opacity: .3; }
}

/* ---------- Varias páginas: menú activo, cabecera de página, puertas y «siguiente» ---------- */
.nav a:not(.btn) { position: relative; }
.nav a[aria-current="page"]:not(.btn) { color: var(--ink); }
.nav a[aria-current="page"]:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -7px; height: 1.5px; border-radius: 1px; background: var(--shu); }
.sheet a[aria-current="page"]:not(.btn) { color: var(--shu); }

.page-hero { position: relative; overflow: hidden; padding-block: clamp(44px, 7vw, 96px) clamp(44px, 6vw, 80px); border-bottom: 1px solid var(--line); }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero .ghost { position: absolute; right: -1%; bottom: -.2em; z-index: 0; font: 900 clamp(150px, 25vw, 340px)/1 var(--f-display); letter-spacing: -.04em; color: var(--paper-2); pointer-events: none; user-select: none; white-space: nowrap; }
.crumbs { display: flex; flex-wrap: wrap; gap: 10px; color: var(--ink-soft); margin-bottom: 26px; }
.crumbs a { text-decoration: none; transition: color 200ms ease; }
.crumbs span:last-child { color: var(--shu); }
@media (hover: hover) and (pointer: fine) { .crumbs a:hover { color: var(--ink); } }
.page-hero h1 { font-size: clamp(40px, 6vw, 80px); max-width: 15ch; }
.page-hero .lede { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-soft); max-width: 50ch; margin-top: 24px; }
.page-hero + .section { padding-top: clamp(48px, 7vw, 88px); }
.contact-intro > :first-child { margin-top: 0; }
@keyframes ghost-in { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .page-hero .in { animation: fade-up 700ms var(--ease-out) both; animation-delay: var(--d, 0ms); }
  .page-hero .ghost { animation: ghost-in 1100ms var(--ease-out) 120ms both; }
}

/* puertas de la portada: cada una lleva a su página */
.doors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.door {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; gap: 10px; min-height: 250px; padding: 26px;
  border: 1px solid var(--line); border-radius: 22px; background: var(--paper); text-decoration: none;
  transition: transform 300ms var(--ease-out), opacity 600ms var(--ease-out), border-color 200ms ease, box-shadow 300ms var(--ease-out);
}
.door .k { position: absolute; top: 14px; right: -16px; z-index: -1; writing-mode: vertical-rl; font: 900 88px/1 var(--f-display); color: var(--paper-2); pointer-events: none; transition: transform 500ms var(--ease-out), color 300ms ease; }
.door .mono { color: var(--shu); }
.door h3 { font-size: 24px; }
.door p { color: var(--ink-soft); font-size: 15.5px; max-width: 26ch; }
.door .go { margin-top: auto; width: 42px; height: 42px; border-radius: 50%; border: 1.5px solid var(--line); display: grid; place-items: center; transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, transform 300ms var(--ease-out); }
.door .go svg { width: 16px; height: 16px; }
.door:active { transform: scale(.98); }
.door-main { background: var(--shu); border-color: transparent; color: var(--on-shu); }
.door-main .mono, .door-main p { color: color-mix(in srgb, var(--on-shu) 82%, transparent); }
.door-main .k { color: color-mix(in srgb, var(--on-shu) 14%, transparent); }
.door-main .go { border-color: color-mix(in srgb, var(--on-shu) 45%, transparent); }
@media (hover: hover) and (pointer: fine) {
  .door:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--shu) 40%, var(--line)); box-shadow: 0 22px 40px -30px var(--shadow); }
  .door:hover .k { transform: translate(-10px, 6px) rotate(-3deg); color: color-mix(in srgb, var(--shu) 16%, var(--paper-2)); }
  .door:hover .go { background: var(--shu); border-color: var(--shu); color: var(--on-shu); transform: translateX(4px); }
  .door-main:hover .k { color: color-mix(in srgb, var(--on-shu) 22%, transparent); }
  .door-main:hover .go { background: var(--on-shu); border-color: var(--on-shu); color: var(--shu); }
}
@media (max-width: 1020px) { .doors { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .doors { grid-template-columns: minmax(0, 1fr); } .door { min-height: 0; } .door .go { margin-top: 8px; } }

/* enlace grande a la página siguiente */
.next-page { border-top: 1px solid var(--line); }
.next-page a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: clamp(40px, 6vw, 72px); text-decoration: none; }
.next-page .mono { display: block; color: var(--ink-soft); margin-bottom: 14px; }
.next-page b { display: block; font: 900 clamp(30px, 5vw, 60px)/1.05 var(--f-display); letter-spacing: -0.02em; text-wrap: balance; transition: color 200ms ease; }
.next-page .go { flex: none; width: clamp(54px, 7vw, 78px); aspect-ratio: 1; border-radius: 50%; background: var(--shu); color: var(--on-shu); display: grid; place-items: center; transition: transform 300ms var(--ease-out); }
.next-page .go svg { width: 38%; height: 38%; }
.next-page a:active .go { transform: scale(.94); }
@media (hover: hover) and (pointer: fine) { .next-page a:hover b { color: var(--shu); } .next-page a:hover .go { transform: translateX(6px); } }

/* transición suave al cambiar de página (navegadores que la soportan) */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  .site-head { view-transition-name: cabecera; }
  ::view-transition-old(root) { animation: 160ms ease-out both vt-out; }
  ::view-transition-new(root) { animation: 380ms cubic-bezier(0.23, 1, 0.32, 1) both vt-in; }
}
@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-in { from { opacity: 0; transform: translateY(10px); } }