/* =====================================================================
   Say Mucho · saymucho.com (v2)
   Identidad "Apertura ¡!": tinta #141414 · lima #D2F34C · papel #F3F2ED
   Archivo (titulares) + Inter (texto). Mobile-first (360 px).
   ===================================================================== */

:root {
  --ink: #141414;
  --ink-2: #1d1d1d;
  --ink-3: #2a2a2a;
  --line-dark: #3a3a36;
  --lime: #D2F34C;
  --lime-soft: #eef9c2;
  --paper: #F3F2ED;
  --paper-2: #e8e6dd;
  --white: #ffffff;
  --text: #141414;
  --muted: #55554f;          /* sobre papel: 7:1 */
  --muted-dark: #c2c2b8;     /* sobre tinta: 10:1 */
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-lime: 6px 6px 0 var(--lime);
  --shadow-ink: 6px 6px 0 var(--ink);
  --head: "Archivo", "Arial Black", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: var(--body); font-size: 1.0625rem; line-height: 1.6; color: var(--text); background: var(--paper); overflow-x: hidden; }
img, svg, iframe { max-width: 100%; display: block; }
img { height: auto; }
h1, h2, h3 { font-family: var(--head); line-height: 1.08; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(2rem, 7vw, 3.4rem); font-weight: 900; }
h3 { font-size: 1.3rem; font-weight: 800; }
p { margin: 0 0 1em; }
a { color: inherit; text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { padding-left: 1.2em; }

/* Foco visible en todo (WCAG 2.4.7) */
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 6px; box-shadow: 0 0 0 6px var(--ink); }
.on-paper :focus-visible, .section.paper :focus-visible { outline-color: var(--ink); box-shadow: 0 0 0 6px var(--lime); }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--lime); color: var(--ink); padding: 10px 16px; border-radius: 10px; font-weight: 700; text-decoration: none; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.es { font-style: normal; }
mark { background: var(--lime); color: var(--ink); padding: 0 .12em; border-radius: .12em; }
.tbd { display: inline-block; background: #fff3d6; color: #6b4300; border: 2px dashed #d08a00; border-radius: 6px; padding: 0 6px; font-size: .9em; font-weight: 600; }

/* ===================================================================== Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: 52px; padding: 12px 22px; border-radius: 999px; border: 2.5px solid var(--ink); font-family: var(--head); font-weight: 800; font-size: 1.05rem; text-decoration: none; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background-color .15s; line-height: 1.15; text-align: center; }
.btn:hover { transform: translate(-2px, -2px); }
.btn:active { transform: translate(1px, 1px); }
.btn-lime { background: var(--lime); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }
.btn-lime:hover { box-shadow: 6px 6px 0 var(--ink); }
.dark .btn-lime, .hero .btn-lime { border-color: var(--lime); box-shadow: 4px 4px 0 #fff; }
.dark .btn-lime:hover, .hero .btn-lime:hover { box-shadow: 6px 6px 0 #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--ink); }
.btn-ink { background: var(--ink); color: #fff; box-shadow: 4px 4px 0 var(--lime); }
.btn-ink:hover { box-shadow: 6px 6px 0 var(--lime); }
.lime .btn-ink { box-shadow: 4px 4px 0 #fff; }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-sm { min-height: 42px; padding: 8px 16px; font-size: .95rem; }
.btn .arrow { transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }
.btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.btns .btn { flex: 1 1 200px; }
@media (min-width: 600px) { .btns .btn { flex: 0 0 auto; } }
.ext::after { content: "\2197"; font-size: .85em; margin-left: .15em; }

/* ===================================================================== Cabecera */
.site-head { position: sticky; top: 0; z-index: 50; background: rgba(20, 20, 20, .94); backdrop-filter: saturate(140%) blur(8px); -webkit-backdrop-filter: saturate(140%) blur(8px); color: #fff; border-bottom: 1px solid #262626; }
.site-head .wrap { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-family: var(--head); font-weight: 900; font-size: 1.15rem; letter-spacing: -.01em; margin-right: auto; }
.logo img { width: 30px; height: 30px; }
.logo b { color: var(--lime); font-weight: 900; }
.nav { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.nav a { display: block; padding: 8px 12px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: .95rem; color: #e9e9e2; }
.nav a:hover, .nav a[aria-current="page"] { background: #262626; color: var(--lime); }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1.5px solid #3a3a3a; background: transparent; color: #fff; cursor: pointer; align-items: center; justify-content: center; }
.js .menu-btn { display: inline-flex; }
.menu-btn svg { width: 22px; height: 22px; }
.head-cta { display: none; }
@media (min-width: 420px) { .head-cta { display: inline-flex; } }
.site-head.open .nav { display: block; position: absolute; left: 0; right: 0; top: 64px; background: var(--ink); border-bottom: 1px solid #262626; padding: 10px 20px 18px; }
.site-head.open .nav ul { flex-direction: column; }
.site-head.open .nav a { font-size: 1.1rem; padding: 12px 14px; }
@media (min-width: 960px) {
  .nav, .site-head.open .nav { display: block; position: static; padding: 0; border: 0; background: none; }
  .site-head.open .nav ul { flex-direction: row; }
  .site-head.open .nav a { font-size: .95rem; padding: 8px 12px; }
  .js .menu-btn { display: none; }
}

/* ===================================================================== Hero */
.hero { position: relative; background: var(--ink); color: #fff; overflow: hidden; padding: 34px 0 40px; }
.hero::before { content: ""; position: absolute; width: 640px; height: 640px; right: -260px; top: -200px; background: radial-gradient(closest-side, rgba(210, 243, 76, .22), rgba(210, 243, 76, 0)); pointer-events: none; }
.hero .wrap { position: relative; display: grid; gap: 30px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); background: var(--lime); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.hero h1 { font-size: clamp(2.7rem, 12.5vw, 5.6rem); font-weight: 900; line-height: .98; margin-bottom: 18px; letter-spacing: -.025em; }
.hero h1 .hl { color: var(--lime); position: relative; white-space: nowrap; }
.hero h1 .hl::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.06em; height: .1em; background: var(--lime); border-radius: 4px; transform-origin: left; animation: underline 1s .4s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes underline { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.lead { font-size: 1.15rem; color: var(--muted-dark); max-width: 36em; }
.lead strong { color: #fff; }
.hero .btns { margin-top: 22px; }
.hero-note { margin-top: 18px; font-size: .95rem; color: var(--muted-dark); }

.hero-stage { position: relative; display: grid; gap: 14px; }
.penny-hero { position: relative; display: flex; align-items: flex-end; justify-content: center; min-height: 210px; }
.penny-hero img { width: 210px; height: 210px; animation: bob 4.5s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-6px) rotate(-1deg); } }
.bubble { position: relative; display: inline-block; background: #fff; color: var(--ink); border: 3px solid var(--ink); border-radius: 18px; padding: 8px 16px; font-family: var(--head); font-weight: 900; font-size: 1.25rem; box-shadow: 4px 4px 0 var(--lime); line-height: 1.15; }
.bubble::after { content: ""; position: absolute; width: 16px; height: 16px; background: #fff; border-right: 3px solid var(--ink); border-bottom: 3px solid var(--ink); bottom: -10px; left: 28px; transform: rotate(45deg); }
.penny-hero .bubble { position: absolute; top: 0; left: 50%; transform: translateX(-118%); }
.penny-hero .bubble::after { left: auto; right: 18px; transform: rotate(-45deg) scaleX(-1); border-right: 0; border-left: 3px solid var(--ink); }

/* Frases que se iluminan */
.phrases { background: var(--ink-2); border: 1.5px solid #2e2e2e; border-radius: var(--radius-lg); padding: 16px; }
.phrases-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted-dark); margin: 2px 4px 12px; }
.phrases-title .tap { text-transform: none; letter-spacing: 0; font-weight: 600; color: var(--lime); }
.phrase-cloud { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.phrase { position: relative; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 14px; border-radius: 999px; border: 1.5px solid #3b3b3b; background: #232323; color: #f4f4ee; font-family: var(--head); font-weight: 800; font-size: 1.02rem; cursor: pointer; transition: background-color .25s, color .25s, border-color .25s, transform .25s, box-shadow .25s; }
.phrase:hover { border-color: var(--lime); }
.phrase.lit, .phrase:focus-visible { background: var(--lime); color: var(--ink); border-color: var(--lime); transform: translateY(-2px) scale(1.04); box-shadow: 0 0 0 4px rgba(210, 243, 76, .22), 0 8px 22px rgba(210, 243, 76, .25); }
.phrase .spk { width: 16px; height: 16px; opacity: .55; flex: none; }
.phrase.lit .spk { opacity: 1; }
.phrase.speaking .spk { animation: pulse .6s ease-in-out infinite; }
.phrase-caption { margin: 14px 4px 2px; min-height: 3.2em; font-size: 1rem; color: var(--muted-dark); }
.phrase-caption b { display: block; font-family: var(--head); font-size: 1.35rem; color: var(--lime); line-height: 1.2; }

@media (min-width: 960px) {
  .hero { padding: 64px 0 72px; }
  .hero .wrap { grid-template-columns: 1.05fr 1fr; align-items: center; gap: 48px; }
  .penny-hero { min-height: 250px; }
  .penny-hero img { width: 250px; height: 250px; }
}

/* Cinta de frases (decorativa) */
.ribbon { background: var(--lime); color: var(--ink); overflow: hidden; border-block: 3px solid var(--ink); }
.ribbon-track { display: flex; width: max-content; animation: slide 38s linear infinite; }
.ribbon span { display: inline-flex; align-items: center; gap: 18px; padding: 12px 18px 12px 0; font-family: var(--head); font-weight: 900; font-size: 1.25rem; white-space: nowrap; }
.ribbon span::after { content: "\00A1!"; font-size: 1rem; background: var(--ink); color: var(--lime); border-radius: 8px; padding: 0 6px; line-height: 1.5; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ===================================================================== Secciones */
.section { padding: 64px 0; position: relative; }
.section.paper { background: var(--paper); }
.section.white { background: #fff; }
.section.dark { background: var(--ink); color: #fff; }
.section.lime { background: var(--lime); color: var(--ink); }
.kicker { display: inline-block; font-weight: 800; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 12px; padding: 4px 10px; border-radius: 8px; background: var(--ink); color: var(--lime); }
.dark .kicker { background: var(--lime); color: var(--ink); }
.section-head { max-width: 46em; margin-bottom: 34px; }
.section-head p { font-size: 1.12rem; color: var(--muted); }
.dark .section-head p { color: var(--muted-dark); }
.lime .section-head p { color: #2a2f12; }
@media (min-width: 960px) { .section { padding: 96px 0; } }

/* Cómo funciona */
.steps { display: grid; gap: 18px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.step { position: relative; background: #fff; border: 2.5px solid var(--ink); border-radius: var(--radius); padding: 22px 20px 20px; box-shadow: var(--shadow-ink); transition: transform .2s, box-shadow .2s; }
.step:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--ink); }
.step .ic { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--lime); border: 2.5px solid var(--ink); font-size: 1.7rem; margin-bottom: 14px; }
.step .num { position: absolute; top: 16px; right: 18px; font-family: var(--head); font-weight: 900; font-size: 2.4rem; line-height: 1; color: var(--paper-2); }
.step h3 { margin-bottom: 6px; }
.step p { margin: 0; color: #2f2f2b; font-size: 1rem; }
.step .es { font-weight: 700; }
@media (min-width: 640px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) { .steps { grid-template-columns: repeat(4, 1fr); } }

.goal { margin-top: 34px; display: grid; gap: 18px; align-items: center; background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 26px 22px; }
.goal h3 { color: var(--lime); font-size: 1.5rem; }
.goal p { margin: 0; color: var(--muted-dark); }
.goal p strong { color: #fff; }
.goal img { width: 140px; height: 140px; justify-self: center; }
@media (min-width: 760px) { .goal { grid-template-columns: 1fr auto; padding: 30px 36px; } }

/* Prueba una clase */
.class-grid { display: grid; gap: 36px; }
.timeline { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 12px; }
.timeline li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; background: var(--ink-2); border: 1.5px solid #2f2f2f; border-radius: 16px; padding: 14px 16px; }
.timeline .n { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--lime); color: var(--ink); font-family: var(--head); font-weight: 900; font-size: 1.2rem; }
.timeline h3 { font-size: 1.1rem; margin: 2px 0 2px; }
.timeline p { margin: 0; color: var(--muted-dark); font-size: .98rem; }
.timeline .es { color: var(--lime); font-weight: 700; }
.paper .timeline li { background: #fff; border-color: var(--ink); border-width: 2px; }
.paper .timeline p { color: #3a3a35; }
.paper .timeline .es { color: var(--ink); background: var(--lime-soft); padding: 0 4px; border-radius: 4px; }

.devices { position: relative; padding-bottom: 40px; }
.laptop { position: relative; background: #2b2b2b; border-radius: 16px 16px 6px 6px; padding: 10px 10px 14px; box-shadow: 0 20px 50px rgba(0, 0, 0, .45); }
.laptop::after { content: ""; position: absolute; left: -6%; right: -6%; bottom: -12px; height: 14px; background: #3a3a3a; border-radius: 0 0 14px 14px; }
.laptop img { border-radius: 6px; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--paper); }
.phone { position: relative; background: #0b0b0b; border: 2px solid #3a3a3a; border-radius: 30px; padding: 8px; box-shadow: 0 16px 40px rgba(0, 0, 0, .45); }
.phone img { border-radius: 22px; width: 100%; aspect-ratio: 360 / 680; object-fit: cover; object-position: top; background: var(--ink-2); }
.devices .phone { position: absolute; width: 34%; max-width: 170px; right: -4px; bottom: -6px; transform: rotate(3deg); }
.screen-note { display: flex; gap: 10px; align-items: flex-start; margin-top: 34px; padding: 14px 16px; border-radius: 14px; background: var(--ink-2); border: 1.5px dashed var(--lime); color: #ecece4; font-size: .98rem; }
.screen-note .i { flex: none; font-size: 1.2rem; }
.paper .screen-note { background: #fff; color: var(--ink); border-color: var(--ink); }
@media (min-width: 960px) { .class-grid { grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; } }

/* Prueba la app */
.hero .wrap > *, .class-grid > *, .app-grid > *, .join-grid > *, .neutral-grid > *, .page-hero .wrap > * { min-width: 0; }
.app-grid { display: grid; gap: 34px; }
.feature-list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; }
.feature-list li { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: start; }
.feature-list .ic { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--ink); font-size: 1.15rem; }
.feature-list strong { font-family: var(--head); font-weight: 800; }
.feature-list p { margin: 0; color: var(--muted); font-size: 1rem; }
.shots { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 6px 20px 22px; margin: 0 -20px; list-style: none; scrollbar-width: thin; scrollbar-color: var(--ink) transparent; }
.shots li { flex: 0 0 64%; max-width: 240px; scroll-snap-align: center; }
.shots figure { margin: 0; }
.shots figcaption { margin-top: 10px; font-weight: 700; font-size: .95rem; text-align: center; }
.shots figcaption span { display: block; font-weight: 500; color: var(--muted); font-size: .88rem; }
.shots .phone { box-shadow: 6px 6px 0 var(--lime); border-color: var(--ink); }
.shots-hint { font-size: .88rem; color: var(--muted); margin: -8px 0 0; }
@media (min-width: 960px) {
  .app-grid { grid-template-columns: .9fr 1.4fr; align-items: center; gap: 48px; }
  .shots { margin: 0; padding: 6px 4px 22px; }
  .shots li { flex-basis: 30%; }
}

/* Videos de shadowing */
.videos { display: grid; gap: 22px; list-style: none; margin: 0; padding: 0; }
.video { background: var(--ink); color: #fff; border-radius: var(--radius); overflow: hidden; border: 2.5px solid var(--ink); box-shadow: 6px 6px 0 #fff; }
.yt { position: relative; background: var(--ink); }
.yt.playing { aspect-ratio: 16 / 9; }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-btn { position: relative; width: 100%; min-height: 196px; display: grid; grid-template-columns: 1fr 92px; grid-template-rows: auto 1fr auto; gap: 8px 10px; padding: 16px 16px 16px 18px; border: 0; background: radial-gradient(120% 140% at 100% 0%, #2b3a07 0%, var(--ink) 55%); color: #fff; cursor: pointer; text-align: left; overflow: hidden; }
.yt-btn .badge { grid-column: 1; grid-row: 1; justify-self: start; font-size: .74rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); background: #fff; border-radius: 6px; padding: 2px 7px; }
.yt-btn .thumb-text { grid-column: 1; grid-row: 2; }
.yt-btn .thumb-es { display: block; font-family: var(--head); font-weight: 900; font-size: clamp(1.4rem, 6vw, 1.8rem); line-height: 1.05; color: var(--lime); }
.yt-btn .thumb-en { display: block; margin-top: 6px; font-size: .9rem; color: var(--muted-dark); font-weight: 600; line-height: 1.35; }
.yt-btn img { grid-column: 2; grid-row: 1 / 4; width: 92px; height: 92px; align-self: end; margin-bottom: -6px; }
.yt-btn .play { grid-column: 1; grid-row: 3; justify-self: start; display: inline-flex; align-items: center; gap: 8px; background: var(--lime); color: var(--ink); border-radius: 999px; padding: 7px 14px 7px 10px; font-weight: 800; font-size: .9rem; transition: transform .15s; }
.yt-btn .play svg { width: 18px; height: 18px; }
.yt-btn:hover .play { transform: scale(1.06); }
.yt-soon { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 20px; background: rgba(20, 20, 20, .94); font-weight: 600; }
.yt-soon a { color: var(--lime); }
.video-body { padding: 16px 18px 18px; }
.video-body h3 { font-size: 1.12rem; margin-bottom: 4px; }
.video-body p { margin: 0; font-size: .95rem; color: var(--muted-dark); }
.video-body .tbd { margin-top: 8px; font-size: .78rem; }
.how-shadow { display: grid; gap: 10px; margin: 30px 0 0; padding: 0; list-style: none; }
.how-shadow li { display: flex; gap: 12px; align-items: center; font-weight: 600; }
.how-shadow b { display: grid; place-items: center; flex: none; width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: var(--lime); font-family: var(--head); }
@media (min-width: 760px) { .videos { grid-template-columns: repeat(3, 1fr); } .yt-btn img { width: 84px; height: 84px; } .how-shadow { grid-template-columns: repeat(3, 1fr); } }

/* Español neutro */
.neutral-grid { display: grid; gap: 30px; align-items: center; }
.neutral-card { background: #fff; border: 2.5px solid var(--ink); border-radius: var(--radius-lg); padding: 24px 22px; box-shadow: var(--shadow-ink); }
.neutral-card .word { font-family: var(--head); font-weight: 900; font-size: 2rem; line-height: 1.1; margin: 4px 0 4px; }
.neutral-card .word mark { padding: 0 .2em; }
.neutral-card .en { color: var(--muted); margin-bottom: 16px; }
.culture { border-top: 2px dashed var(--paper-2); padding-top: 14px; }
.culture h3 { font-size: 1.05rem; margin-bottom: 10px; }
.culture ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.culture li { background: var(--paper); border-radius: 999px; padding: 5px 12px; font-size: .95rem; }
.culture li b { font-weight: 700; }
.culture .small { font-size: .88rem; color: var(--muted); margin: 12px 0 0; }
.checks { list-style: none; padding: 0; margin: 0 0 10px; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 34px; }
.checks li::before { content: ""; position: absolute; left: 0; top: .2em; width: 22px; height: 22px; border-radius: 7px; background: var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%23141414' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat; border: 2px solid var(--ink); }
.dark .checks li::before { border-color: var(--lime); }
@media (min-width: 900px) { .neutral-grid { grid-template-columns: 1fr 1fr; gap: 56px; } }

/* Únete al piloto (formulario) */
.join-grid { display: grid; gap: 34px; }
.join-copy .next { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 12px; counter-reset: n; }
.join-copy .next li { position: relative; padding-left: 46px; color: var(--muted-dark); }
.join-copy .next li strong { color: #fff; }
.join-copy .next li::before { counter-increment: n; content: counter(n); position: absolute; left: 0; top: -2px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--lime); color: var(--ink); font-family: var(--head); font-weight: 900; }
.join-copy .penny-join { display: flex; align-items: center; gap: 14px; margin-top: 10px; }
.join-copy .penny-join img { width: 120px; height: 120px; }
.form-card { background: var(--paper); color: var(--ink); border-radius: var(--radius-lg); padding: 24px 20px; border: 3px solid var(--lime); box-shadow: 8px 8px 0 var(--lime); }
.form-card h3 { font-size: 1.5rem; }
.field { margin-bottom: 16px; }
.field label, .field legend { display: block; font-weight: 700; margin-bottom: 6px; }
.field .hint { display: block; font-weight: 500; font-size: .88rem; color: var(--muted); }
.field input[type="text"], .field input[type="email"], .field select, .field textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 2px solid var(--ink); border-radius: 12px; background: #fff; font-size: 1rem; }
.field textarea { min-height: 96px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%23141414' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E") right 12px center / 20px no-repeat; padding-right: 40px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; box-shadow: 0 0 0 6px var(--lime); }
.field [aria-invalid="true"] { border-color: #b3261e; background-color: #fff5f4; }
.err { display: none; color: #b3261e; font-weight: 600; font-size: .92rem; margin-top: 6px; }
.err.show { display: block; }
.check { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; font-size: .95rem; }
.check input { width: 24px; height: 24px; margin: 2px 0 0; accent-color: var(--ink); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-top: 14px; padding: 12px 14px; border-radius: 12px; font-weight: 600; display: none; }
.form-status.show { display: block; }
.form-status.error { background: #fdecea; color: #7f1d17; border: 2px solid #b3261e; }
.form-status.ok { background: var(--lime-soft); border: 2px solid var(--ink); }
.form-status a { font-weight: 800; }
.btn[aria-busy="true"] { opacity: .75; cursor: progress; }
.btn .spin { display: none; width: 18px; height: 18px; border: 3px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; }
.btn[aria-busy="true"] .spin { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.form-foot { font-size: .86rem; color: var(--muted); margin: 12px 0 0; }
@media (min-width: 960px) { .join-grid { grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; } .form-card { padding: 32px 30px; } }

/* Preguntas */
.faq { max-width: 820px; }
.faq details { background: #fff; border: 2px solid var(--ink); border-radius: 16px; margin-bottom: 12px; overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 16px 52px 16px 18px; font-family: var(--head); font-weight: 800; font-size: 1.08rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 14px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; background: var(--lime); border: 2px solid var(--ink); display: grid; place-items: center; font-size: 1.2rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { content: "\2212"; }
.faq summary:hover { background: var(--lime-soft); }
.faq .a { padding: 0 18px 16px; color: #2f2f2b; }
.faq .a p:last-child { margin: 0; }

/* Banda final */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 14px; }
.cta-band .btns { justify-content: center; }
.cta-band img { width: 150px; height: 150px; margin: 0 auto 8px; }

/* ===================================================================== Pie */
.site-foot { background: var(--ink); color: #e6e6de; padding: 48px 0 30px; border-top: 3px solid var(--lime); }
.foot-grid { display: grid; gap: 28px; }
.site-foot .slogan { font-family: var(--head); font-weight: 900; font-size: 1.5rem; color: #fff; margin: 14px 0 6px; }
.site-foot h2 { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; color: var(--lime); margin-bottom: 12px; font-family: var(--body); font-weight: 800; }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-foot a { color: #e6e6de; }
.site-foot a:hover { color: var(--lime); }
.legal { margin-top: 34px; padding-top: 18px; border-top: 1px solid #2c2c2c; font-size: .88rem; color: #a9a99f; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }

/* ===================================================================== Páginas interiores */
.page-hero { background: var(--ink); color: #fff; padding: 40px 0 44px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -220px; top: -220px; background: radial-gradient(closest-side, rgba(210, 243, 76, .2), rgba(210, 243, 76, 0)); }
.page-hero .wrap { position: relative; display: grid; gap: 20px; align-items: center; }
.page-hero h1 { font-size: clamp(2.4rem, 10vw, 4.4rem); font-weight: 900; line-height: 1; letter-spacing: -.02em; }
.page-hero h1 .hl { color: var(--lime); }
.page-hero img.penny { width: 170px; height: 170px; justify-self: center; }
@media (min-width: 860px) { .page-hero .wrap { grid-template-columns: 1fr auto; } .page-hero img.penny { width: 220px; height: 220px; } }

.demo { background: var(--ink); border-radius: var(--radius-lg); padding: 12px; box-shadow: 8px 8px 0 var(--lime); border: 2.5px solid var(--ink); }
.demo-bar { display: flex; align-items: center; gap: 8px; padding: 4px 6px 12px; color: #cfcfc6; font-size: .85rem; }
.demo-bar i { width: 11px; height: 11px; border-radius: 50%; background: #444; display: inline-block; }
.demo-bar i:first-child { background: var(--lime); }
.demo-bar span { margin-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demo-frame { position: relative; border-radius: 14px; overflow: hidden; background: var(--paper); aspect-ratio: 360 / 640; }
@media (min-width: 700px) { .demo-frame { aspect-ratio: 16 / 9; } }
.demo-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.demo-poster { position: absolute; inset: 0; width: 100%; border: 0; padding: 0; cursor: pointer; background: var(--paper); }
.demo-poster img { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.demo-poster .demo-play { position: absolute; inset: 0; display: grid; place-content: center; gap: 12px; justify-items: center; background: linear-gradient(180deg, rgba(20, 20, 20, .25), rgba(20, 20, 20, .72)); color: #fff; font-family: var(--head); font-weight: 900; font-size: 1.25rem; text-align: center; padding: 20px; }
.demo-poster .demo-play span.pill { display: inline-flex; align-items: center; gap: 10px; background: var(--lime); color: var(--ink); border-radius: 999px; padding: 12px 22px; border: 2.5px solid var(--ink); box-shadow: 4px 4px 0 #fff; }
.demo-poster:hover .pill { transform: translate(-2px, -2px); }
.demo-poster .demo-play small { font-family: var(--body); font-weight: 600; font-size: .95rem; color: #f1f1ea; }
.demo-tips { display: grid; gap: 10px; margin-top: 18px; list-style: none; padding: 0; }
.demo-tips li { display: flex; gap: 10px; align-items: flex-start; }
.demo-tips kbd { font-family: var(--body); font-weight: 700; background: #fff; border: 2px solid var(--ink); border-radius: 8px; padding: 0 6px; font-size: .9em; box-shadow: 2px 2px 0 var(--ink); }
.join-steps { display: grid; gap: 18px; list-style: none; padding: 0; margin: 0; }
.join-steps li { background: #fff; border: 2.5px solid var(--ink); border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--shadow-ink); }
.join-steps .ic { font-size: 1.8rem; display: block; margin-bottom: 8px; }
.join-steps p { margin: 0; color: #2f2f2b; }
@media (min-width: 760px) { .join-steps { grid-template-columns: repeat(3, 1fr); } }
.gallery { display: grid; gap: 20px; grid-template-columns: 1fr; margin-top: 30px; }
.gallery figure { margin: 0; }
.gallery figcaption { margin-top: 8px; font-weight: 600; font-size: .95rem; color: var(--muted); }
.gallery .shot { border-radius: 14px; border: 2.5px solid var(--ink); box-shadow: var(--shadow-ink); width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; background: #fff; }
@media (min-width: 760px) { .gallery { grid-template-columns: repeat(3, 1fr); } }

.prose { max-width: 760px; }
.prose h2 { font-size: clamp(1.5rem, 5vw, 2rem); margin-top: 1.6em; }
.prose ul { margin: 0 0 1em; }
.prose li { margin-bottom: .4em; }

.center-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 56px 0; background: var(--ink); color: #fff; }
.center-page img { width: 180px; height: 180px; margin: 0 auto 10px; }
.center-page h1 { font-size: clamp(2.4rem, 10vw, 4rem); font-weight: 900; }
.center-page h1 .hl { color: var(--lime); }
.center-page p { color: var(--muted-dark); max-width: 34em; margin-inline: auto; }
.center-page .btns { justify-content: center; }
.center-page .next { text-align: left; max-width: 30em; margin: 22px auto; color: var(--muted-dark); }
.center-page .next strong { color: #fff; }

/* ===================================================================== Animación al entrar (solo con JS y sin reduced-motion) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .ribbon-track { transform: none; }
}

/* ===================================================================== Ajustes tras revisar capturas */
.class-grid h2, .app-grid h2, .join-grid h2, .neutral-grid h2 { font-size: clamp(2rem, 7vw, 2.9rem); }
.faq-grid { display: grid; gap: 10px; }
.faq-grid .section-head p a { font-weight: 700; }
@media (min-width: 960px) { .faq-grid { grid-template-columns: .8fr 1.4fr; gap: 56px; align-items: start; } .faq-grid .section-head { position: sticky; top: 100px; } }
@media (max-width: 420px) { .penny-hero { min-height: 180px; } .penny-hero img { width: 180px; height: 180px; } }
.center-page .bubble { color: var(--ink); }
.center-page .bubble + img { margin-top: 6px; }
.class-grid.top { align-items: start; }
.dark .gallery figcaption { color: var(--muted-dark); }
.demo-poster picture { display: block; width: 100%; height: 100%; }
@media (max-width: 699px) {
  .demo-poster .demo-play { font-size: 1.05rem; background: linear-gradient(180deg, rgba(20, 20, 20, .15), rgba(20, 20, 20, .8) 70%); align-content: end; padding-bottom: 28px; }
  .demo-poster .demo-play span.pill { padding: 10px 18px; }
}
@media (max-width: 699px) { .demo { padding: 8px; } .demo-frame { aspect-ratio: 9 / 17; } }
@media (min-width: 420px) { .nav-join { display: none; } }

/* ===================================================================== Apoyo en inglés (70 % español / 30 % inglés)
   .en   = línea corta en inglés bajo un título o un párrafo (bloque, más pequeña y atenuada)
   .en-i = inglés pequeño dentro de una línea (títulos, botones, etiquetas, listas)
   Contraste: #5f5f58 sobre papel/blanco >= 5,5:1 · #a3a399 sobre tinta >= 7:1 · #3c4214 sobre lima >= 7:1 */
:root { --en-paper: #5f5f58; --en-dark: #a3a399; --en-lime: #3c4214; }
.en { display: block; font-family: var(--body); font-size: .95rem; font-weight: 500; font-style: normal; line-height: 1.45; letter-spacing: 0; text-transform: none; color: var(--en-paper); margin: -.55em 0 1em; }
.en-i { display: block; font-family: var(--body); font-size: .8rem; font-weight: 500; font-style: normal; line-height: 1.35; letter-spacing: 0; text-transform: none; color: var(--en-paper); margin-top: 3px; }
h1 + .en, h2 + .en, .section-head h2 + p.en { margin-top: -.3em; font-size: 1.02rem; font-weight: 600; }
.section-head p.en { font-size: .98rem; color: var(--en-paper); }
.lead + .en, .section-head p + p.en { margin-top: -.6em; }
.dark .en, .dark .en-i, .hero .en, .hero .en-i, .page-hero .en, .page-hero .en-i, .center-page .en, .center-page .en-i, .site-foot .en-i, .goal .en, .goal .en-i, .video .en-i, .phrases .en-i, .dark .section-head p.en { color: var(--en-dark); }
.lime .en, .lime .en-i, .lime .section-head p.en { color: var(--en-lime); }
.lime .video .en-i { color: var(--en-dark); }
.form-card .en-i, .on-paper .en-i, .dark .form-card .en-i { color: var(--en-paper); }
.form-card .err .en-i { color: #8c1d16; font-weight: 500; }
.field > label > .en-i { display: inline; margin: 0 0 0 4px; }
.field > label > .en-i::before { content: "· "; }
.field.check > label > .en-i::before { content: none; }
.field .hint .en-i { display: inline; margin: 0; }
.kicker .en-i { display: inline; font-size: .75rem; color: inherit; opacity: .8; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; margin: 0; }
.dark .kicker .en-i, .lime .kicker .en-i { color: inherit; }
/* Botones de dos líneas: español grande + inglés pequeño */
.btn-bi { flex-direction: column; gap: 1px; padding-top: 8px; padding-bottom: 8px; }
.btn-bi .en-i, .dark .btn-bi .en-i, .hero .btn-bi .en-i, .page-hero .btn-bi .en-i, .center-page .btn-bi .en-i, .lime .btn-bi .en-i, .form-card .btn-bi .en-i { margin: 0; font-size: .74rem; font-weight: 600; color: inherit; opacity: .8; }
.yt-btn .play .en-i, .lime .video .play .en-i { display: inline; margin: 0; font-size: .78rem; color: inherit; opacity: .75; }
.how-shadow li > span { display: block; }
.timeline h3 .en-i, .step h3 .en-i, .join-steps h3 .en-i, .form-card h3 .en-i, .culture h3 .en-i, .video-body h3 .en-i { font-size: .8rem; font-weight: 600; margin-top: 2px; }
.goal h3 .en-i { font-size: .9rem; font-weight: 600; margin-top: 4px; }
.feature-list strong .en-i { display: inline; font-weight: 500; margin: 0 0 0 4px; }
.join-copy .next .en-i, .center-page .next .en-i { font-size: .85rem; }
.form-status .en-i { color: inherit; opacity: .85; font-weight: 500; margin-top: 4px; }
.prose p.en, .prose li .en-i { font-size: .92rem; }
.prose p.en { margin-top: -.6em; }
.prose h2 .en-i { font-size: .95rem; font-weight: 600; margin-top: 4px; }
.faq .a p.en { margin: 6px 0 0; font-size: .92rem; }
.neutral-card p.en { margin-top: 2px; }
.field select { font-size: .95rem; }
.logo, .site-head .btn-sm { white-space: nowrap; }