/* ==========================================================================
   StudentHall — sistema de diseño (landing + páginas legales)
   Identidad: violeta + coral + lima sobre papel cálido, tipografía Bricolage
   Grotesque (títulos) y DM Sans (texto), tarjetas tipo "sticker".
   Se carga después de Bootstrap 5.3 para sobrescribir sus variables.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Marca */
  --sh-brand: #6d28d9;
  --sh-brand-strong: #5b21b6;
  --sh-coral: #ff6b4a;
  --sh-lime: #c6f432;
  --sh-accent: #10b981;
  --sh-warn: #f59e0b;
  --sh-whatsapp: #25d366;

  /* Superficies y texto */
  --sh-bg: #fffdf8;
  --sh-soft: #f5efe4;
  --sh-card: #ffffff;
  --sh-ink: #1c1530;
  --sh-muted: #6b6280;
  --sh-border: #e8e0d2;
  --sh-tint: color-mix(in srgb, var(--sh-brand) 9%, transparent);
  --sh-link: #6d28d9;
  --sh-grid: color-mix(in srgb, var(--sh-ink) 7%, transparent);

  /* Bordes y sombras tipo sticker */
  --sh-edge: #1c1530;
  --sh-hard: #1c1530;
  --sh-shadow: 0 24px 48px -28px rgba(28, 21, 48, .35);

  /* Banda oscura (igual en ambos modos) */
  --sh-band: #1c1530;
  --sh-band-ink: #f4f0e8;
  --sh-band-muted: #b9b0cf;

  /* Tipografía */
  --sh-font-display: "Bricolage Grotesque", "DM Sans", system-ui, sans-serif;
  --sh-font-body: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Forma y ritmo */
  --sh-radius-sm: .9rem;
  --sh-radius: 1.5rem;
  --sh-radius-lg: 2.25rem;
  --sh-ring: 0 0 0 .25rem color-mix(in srgb, var(--sh-brand) 30%, transparent);
  --sh-nav-h: 72px;
  --sh-section-y: clamp(4.5rem, 9vw, 7rem);
  --sh-ease: cubic-bezier(.2, .7, .2, 1);

  /* Puente con Bootstrap */
  --bs-body-font-family: var(--sh-font-body);
  --bs-body-bg: var(--sh-bg);
  --bs-body-color: var(--sh-ink);
  --bs-primary: var(--sh-brand);
  --bs-primary-rgb: 109, 40, 217;
  --bs-link-color: var(--sh-link);
  --bs-link-color-rgb: 109, 40, 217;
  --bs-link-hover-color: var(--sh-brand-strong);
  --bs-border-color: var(--sh-border);
  --bs-border-radius: var(--sh-radius-sm);
  --bs-focus-ring-color: color-mix(in srgb, var(--sh-brand) 30%, transparent);
}

[data-bs-theme="dark"] {
  --sh-bg: #0f0b1a;
  --sh-soft: #171126;
  --sh-card: #1c1530;
  --sh-ink: #f4f0e8;
  --sh-muted: #a9a1bf;
  --sh-border: #2e2546;
  --sh-tint: color-mix(in srgb, #a78bfa 16%, transparent);
  --sh-link: #c4b5fd;
  --sh-grid: rgba(255, 255, 255, .05);
  --sh-edge: #4a3f6b;
  --sh-hard: #000;
  --sh-band: #08060f;
  --sh-shadow: 0 24px 48px -28px rgba(0, 0, 0, .8);

  --bs-body-bg: var(--sh-bg);
  --bs-body-color: var(--sh-ink);
  --bs-link-color: var(--sh-link);
  --bs-link-color-rgb: 196, 181, 253;
  --bs-link-hover-color: #ddd6fe;
  --bs-border-color: var(--sh-border);
}

/* ---------- 2. Base ---------- */
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--sh-nav-h) + 1rem); }
body { background: var(--sh-bg); color: var(--sh-ink); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 { font-family: var(--sh-font-display); letter-spacing: -.02em; }
:focus-visible { outline: none; box-shadow: var(--sh-ring); border-radius: .4rem; }
::selection { background: var(--sh-lime); color: #1c1530; }
.text-muted-sh { color: var(--sh-muted) !important; }
.bg-soft { background: var(--sh-soft); }
.skip-link { position: absolute; top: .5rem; left: .5rem; z-index: 2000; padding: .5rem 1rem; border-radius: 999px; background: var(--sh-card); }

/* ---------- 3. Marca ---------- */
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--sh-ink); text-decoration: none; font-family: var(--sh-font-display); font-weight: 800; font-size: 1.3rem; letter-spacing: -.03em; }
.brand:hover { color: var(--sh-ink); }
.brand-mark { width: 2.3rem; height: 2.3rem; border-radius: .75rem; display: grid; place-items: center; color: #fff; font-size: 1.1rem; background: var(--sh-brand); border: 2px solid var(--sh-edge); box-shadow: 2px 2px 0 var(--sh-hard); transform: rotate(-6deg); transition: transform .3s var(--sh-ease); }
.brand:hover .brand-mark { transform: rotate(0); }
.brand-name strong { color: var(--sh-brand); font-weight: 800; }
[data-bs-theme="dark"] .brand-name strong { color: var(--sh-link); }

/* ---------- 4. Navbar ---------- */
/* El desenfoque va en ::before: si se aplica al header, el menú móvil (position: fixed) queda atrapado dentro de él */
.site-header { border-bottom: 1.5px solid transparent; transition: border-color .25s var(--sh-ease); }
.site-header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: color-mix(in srgb, var(--sh-bg) 82%, transparent); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); }
.site-header.is-scrolled { border-bottom-color: var(--sh-border); }
/* Con el menú móvil abierto, el header sube por encima del fondo oscuro del offcanvas */
.site-header:has(.offcanvas.show, .offcanvas.showing, .offcanvas.hiding) { z-index: 1050; }
.site-header .navbar { min-height: var(--sh-nav-h); padding-block: .5rem; }

.site-header .nav-link { white-space: nowrap; color: var(--sh-muted); font-weight: 600; font-size: .95rem; padding: .45rem .8rem !important; border-radius: 999px; transition: color .2s var(--sh-ease), background-color .2s var(--sh-ease); }
.site-header .nav-link:hover,
.site-header .nav-link:focus-visible { color: var(--sh-ink); background: var(--sh-tint); }
.site-header .nav-link.active { color: var(--sh-ink); background: var(--sh-tint); }

.site-header .navbar-toggler { border: 1.5px solid var(--sh-border); border-radius: 999px; width: 2.5rem; height: 2.5rem; padding: 0; place-items: center; color: var(--sh-ink); font-size: 1.35rem; }
.site-header .navbar-toggler:focus { box-shadow: var(--sh-ring); }
@media (max-width: 1199.98px) {
  .site-header .navbar-toggler { display: grid; }
  .site-header .offcanvas { --bs-offcanvas-width: min(22rem, 88vw); --bs-offcanvas-bg: var(--sh-bg); border-left: 1.5px solid var(--sh-border); }
  .site-header .offcanvas-body { display: flex; flex-direction: column; }
  .site-header .nav-link { font-size: 1.1rem; padding: .75rem 1rem !important; }
}

/* ---------- 5. Botones ---------- */
.btn { --bs-btn-font-weight: 700; --bs-btn-border-radius: 999px; --bs-btn-border-width: 2px; --bs-btn-padding-x: 1.35rem; --bs-btn-padding-y: .65rem; --bs-btn-focus-box-shadow: var(--sh-ring); display: inline-flex; align-items: center; justify-content: center; gap: .5rem; white-space: nowrap; transition: transform .2s var(--sh-ease), box-shadow .2s var(--sh-ease), background-color .2s, color .2s, border-color .2s; }
.btn-sm { --bs-btn-padding-x: 1rem; --bs-btn-padding-y: .4rem; --bs-btn-font-size: .9rem; }
.btn-lg { --bs-btn-padding-x: 1.7rem; --bs-btn-padding-y: .85rem; --bs-btn-font-size: 1.05rem; }

/* Principal: violeta con sombra sólida */
.btn-primary { --bs-btn-color: #fff; --bs-btn-bg: var(--sh-brand); --bs-btn-border-color: var(--sh-edge); --bs-btn-hover-color: #fff; --bs-btn-hover-bg: var(--sh-brand-strong); --bs-btn-hover-border-color: var(--sh-edge); --bs-btn-active-color: #fff; --bs-btn-active-bg: var(--sh-brand-strong); --bs-btn-active-border-color: var(--sh-edge); box-shadow: 3px 3px 0 var(--sh-hard); }
.btn-primary:hover, .btn-primary:focus-visible { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--sh-hard); }
.btn-primary:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--sh-hard); }
/* Secundario: contorno de tinta */
.btn-ghost, .btn-outline-primary { --bs-btn-color: var(--sh-ink); --bs-btn-bg: transparent; --bs-btn-border-color: var(--sh-ink); --bs-btn-hover-color: var(--sh-bg); --bs-btn-hover-bg: var(--sh-ink); --bs-btn-hover-border-color: var(--sh-ink); --bs-btn-active-color: var(--sh-bg); --bs-btn-active-bg: var(--sh-ink); --bs-btn-active-border-color: var(--sh-ink); }
/* Sobre fondos oscuros o de color */
.btn-light { --bs-btn-color: #1c1530; --bs-btn-bg: #fff; --bs-btn-border-color: #1c1530; --bs-btn-hover-color: #1c1530; --bs-btn-hover-bg: var(--sh-lime); --bs-btn-hover-border-color: #1c1530; --bs-btn-active-bg: var(--sh-lime); --bs-btn-active-color: #1c1530; box-shadow: 3px 3px 0 #1c1530; }
.btn-light:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 #1c1530; }
.btn-outline-light { --bs-btn-color: #fff; --bs-btn-border-color: rgba(255, 255, 255, .55); --bs-btn-hover-bg: rgba(255, 255, 255, .12); --bs-btn-hover-color: #fff; --bs-btn-hover-border-color: #fff; }
/* Invertido: para tarjetas de color tinta */
.btn-invert { --bs-btn-color: var(--sh-ink); --bs-btn-bg: var(--sh-bg); --bs-btn-border-color: var(--sh-bg); --bs-btn-hover-color: #1c1530; --bs-btn-hover-bg: var(--sh-lime); --bs-btn-hover-border-color: var(--sh-lime); --bs-btn-active-bg: var(--sh-lime); --bs-btn-active-color: #1c1530; }
/* WhatsApp */
.btn-whatsapp { --bs-btn-color: #fff; --bs-btn-bg: var(--sh-whatsapp); --bs-btn-border-color: var(--sh-whatsapp); --bs-btn-hover-color: #fff; --bs-btn-hover-bg: #1ebe5a; --bs-btn-hover-border-color: #1ebe5a; --bs-btn-active-bg: #1ebe5a; --bs-btn-active-color: #fff; }
/* Ícono */
.btn-icon { width: 2.5rem; height: 2.5rem; padding: 0; border-radius: 999px; border: 1.5px solid var(--sh-border); color: var(--sh-ink); background: transparent; font-size: 1.05rem; }
.btn-icon:hover { background: var(--sh-tint); color: var(--sh-ink); border-color: transparent; }
.btn-link-sh { color: var(--sh-muted); font-weight: 600; text-decoration: none; }
.btn-link-sh:hover { color: var(--sh-ink); }
.link-arrow { display: inline-flex; align-items: center; gap: .35rem; font-weight: 700; color: var(--sh-ink); text-decoration: none; border-bottom: 2px solid var(--sh-lime); }
.link-arrow:hover { color: var(--sh-brand); }
[data-bs-theme="dark"] .link-arrow:hover { color: var(--sh-link); }

/* ---------- 6. Secciones y tipografía ---------- */
.section { padding-block: var(--sh-section-y); }
.section-head { max-width: 48rem; margin-inline: auto; margin-bottom: 3rem; text-align: center; }
.section-head p:last-child { margin-bottom: 0; }
.split-head { display: grid; gap: 1rem 3rem; align-items: end; margin-bottom: 3rem; }
@media (min-width: 992px) { .split-head { grid-template-columns: 1.15fr 1fr; } }
.split-head p { margin-bottom: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: .45rem; padding: .3rem .8rem; border-radius: 999px; font-weight: 700; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--sh-brand); background: var(--sh-tint); margin-bottom: 1rem; }
[data-bs-theme="dark"] .eyebrow { color: var(--sh-link); }
.eyebrow::before { content: ""; width: .45rem; height: .45rem; border-radius: 2px; background: var(--sh-coral); transform: rotate(45deg); }
.section-title { font-weight: 800; letter-spacing: -.035em; line-height: 1.04; font-size: clamp(2rem, 4.2vw, 3.2rem); margin-bottom: 1rem; }
.section-lead { color: var(--sh-muted); font-size: 1.1rem; line-height: 1.65; }
.marker { padding-inline: .1em; background: linear-gradient(transparent 58%, var(--sh-lime) 58%, var(--sh-lime) 92%, transparent 92%); }
[data-bs-theme="dark"] .marker { background: linear-gradient(transparent 62%, color-mix(in srgb, var(--sh-coral) 70%, transparent) 62%, color-mix(in srgb, var(--sh-coral) 70%, transparent) 92%, transparent 92%); }
.grid-paper { position: relative; isolation: isolate; }
.grid-paper::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(var(--sh-grid) 1px, transparent 1px), linear-gradient(90deg, var(--sh-grid) 1px, transparent 1px); background-size: 32px 32px; -webkit-mask-image: radial-gradient(ellipse at 50% 35%, #000 25%, transparent 75%); mask-image: radial-gradient(ellipse at 50% 35%, #000 25%, transparent 75%); }

/* ---------- 7. Hero ---------- */
.hero { padding-block: clamp(3.5rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero-copy { max-width: 56rem; margin-inline: auto; text-align: center; }
.badge-pill { display: inline-flex; align-items: center; gap: .55rem; padding: .4rem 1rem; border-radius: 999px; font-weight: 600; font-size: .88rem; background: var(--sh-card); border: 1.5px solid var(--sh-edge); box-shadow: 2px 2px 0 var(--sh-hard); margin-bottom: 1.75rem; }
.badge-pill .dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--sh-coral); box-shadow: 0 0 0 0 color-mix(in srgb, var(--sh-coral) 60%, transparent); animation: sh-pulse 2s infinite; }
@keyframes sh-pulse { 70% { box-shadow: 0 0 0 .5rem transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.hero-title { font-weight: 800; letter-spacing: -.045em; line-height: 1; font-size: clamp(2.5rem, 6.4vw, 5rem); margin-bottom: 1.5rem; }
.hero-lead { color: var(--sh-muted); font-size: clamp(1.05rem, 1.6vw, 1.25rem); line-height: 1.6; max-width: 44rem; margin: 0 auto 2rem; }
.hero-proof { list-style: none; padding: 0; margin: 1.75rem 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.5rem; font-size: .92rem; color: var(--sh-muted); }
.hero-proof li { display: inline-flex; align-items: center; gap: .4rem; }
.hero-proof i { color: var(--sh-coral); }

/* Tablero de tarjetas del hero */
.hero-board { margin-top: clamp(3rem, 6vw, 4.5rem); display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 576px) { .hero-board { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) {
  .hero-board { grid-template-columns: repeat(12, 1fr); align-items: start; }
  .tile-join { grid-column: 1 / 5; grid-row: 1; transform: rotate(-2deg); }
  .tile-ai { grid-column: 5 / 9; grid-row: 1 / 3; }
  .tile-cal { grid-column: 9 / 13; grid-row: 1; transform: rotate(1.5deg); }
  .tile-pdf { grid-column: 1 / 5; grid-row: 2; transform: rotate(1deg); }
  .tile-done { grid-column: 9 / 13; grid-row: 2; transform: rotate(-1.5deg); }
}
@media (max-width: 575.98px) { .tile-pdf, .tile-cal { display: none; } }
.tile { background: var(--sh-card); border: 2px solid var(--sh-edge); border-radius: var(--sh-radius); padding: 1.25rem; box-shadow: 5px 5px 0 var(--sh-hard); text-align: left; }
.tile-label { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--sh-muted); margin-bottom: .75rem; }
.tile-join { background: var(--sh-brand); color: #fff; }
.tile-join .tile-label { color: rgba(255, 255, 255, .75); }
.fake-input { display: flex; align-items: center; gap: .6rem; background: #fff; color: #1c1530; border-radius: .8rem; padding: .55rem .55rem .55rem .85rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; letter-spacing: .04em; }
.fake-input i { color: var(--sh-brand); }
.fake-btn { margin-left: auto; padding: .35rem .8rem; border-radius: 999px; background: var(--sh-lime); color: #1c1530; font-family: var(--sh-font-body); font-weight: 700; font-size: .8rem; letter-spacing: 0; }
.tile-note { font-size: .85rem; margin: .75rem 0 0; opacity: .85; }
.tile-done { background: var(--sh-lime); color: #1c1530; display: flex; gap: .9rem; align-items: center; }
.tile-done .check { flex-shrink: 0; width: 2.75rem; height: 2.75rem; border-radius: 50%; display: grid; place-items: center; background: #1c1530; color: var(--sh-lime); font-size: 1.35rem; }
.tile-done strong { display: block; font-family: var(--sh-font-display); font-size: 1.15rem; }
.tile-done span { font-size: .85rem; }
.ai-head { display: flex; align-items: center; gap: .6rem; margin-bottom: 1rem; font-weight: 700; }
.ai-avatar { width: 2.25rem; height: 2.25rem; border-radius: .7rem; display: grid; place-items: center; background: var(--sh-brand); color: #fff; }
.ai-head small { display: block; font-weight: 500; color: var(--sh-accent); font-size: .75rem; }
.bubble { max-width: 88%; padding: .65rem .9rem; border-radius: 1.1rem; font-size: .9rem; line-height: 1.45; margin-bottom: .6rem; }
.bubble-me { margin-left: auto; background: var(--sh-soft); border-bottom-right-radius: .3rem; }
.bubble-ai { background: var(--sh-brand); color: #fff; border-bottom-left-radius: .3rem; }
.bubble-ai ol { margin: .35rem 0 0; padding-left: 1.1rem; }
.typing { display: inline-flex; gap: .25rem; padding: .6rem .8rem; border-radius: 1rem; background: var(--sh-soft); }
.typing span { width: .4rem; height: .4rem; border-radius: 50%; background: var(--sh-muted); animation: sh-typing 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes sh-typing { 0%, 60%, 100% { opacity: .3; transform: none; } 30% { opacity: 1; transform: translateY(-3px); } }
.cal-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.cal-list li { display: flex; align-items: center; gap: .75rem; font-weight: 600; font-size: .92rem; }
.cal-day { width: 2.6rem; flex-shrink: 0; text-align: center; border-radius: .6rem; border: 1.5px solid var(--sh-border); line-height: 1.1; padding: .25rem 0; }
.cal-day small { display: block; font-size: .62rem; text-transform: uppercase; color: var(--sh-muted); font-weight: 700; }
.cal-day b { font-family: var(--sh-font-display); font-size: 1.05rem; }
.cal-list .pill-due { margin-left: auto; font-size: .7rem; font-weight: 700; padding: .15rem .5rem; border-radius: 999px; background: color-mix(in srgb, var(--sh-coral) 18%, transparent); color: var(--sh-coral); }
.pdf-flow { display: flex; align-items: center; gap: .5rem; }
.pdf-flow .thumb { width: 2.4rem; height: 3rem; border-radius: .45rem; border: 1.5px solid var(--sh-border); background: repeating-linear-gradient(180deg, var(--sh-soft) 0 6px, var(--sh-card) 6px 9px); }
.pdf-flow .thumb + .thumb { margin-left: -1.2rem; transform: rotate(6deg); }
.pdf-flow .bi-arrow-right { color: var(--sh-muted); margin-inline: .35rem; }
.pdf-flow .pdf { width: 2.6rem; height: 3.2rem; border-radius: .45rem; display: grid; place-items: center; background: var(--sh-coral); color: #fff; font-weight: 800; font-size: .7rem; }

/* ---------- 8. Franja de niveles ---------- */
.levels-marquee { overflow: hidden; background: var(--sh-ink); color: var(--sh-bg); border-block: 2px solid var(--sh-edge); padding-block: 1rem; }
.marquee-track { display: flex; width: max-content; animation: sh-marquee 45s linear infinite; }
.levels-marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track ul { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; }
.marquee-track li { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--sh-font-display); font-weight: 700; font-size: 1.2rem; white-space: nowrap; padding-right: 2.25rem; }
.marquee-track li::after { content: "✦"; color: var(--sh-lime); padding-left: 2.25rem; }
[data-bs-theme="dark"] .marquee-track li::after { color: var(--sh-brand); }
@keyframes sh-marquee { to { transform: translateX(-50%); } }

/* ---------- 9. Componentes ---------- */
.card-sh { background: var(--sh-card); border: 1.5px solid var(--sh-border); border-radius: var(--sh-radius); padding: 1.75rem; height: 100%; transition: border-color .2s var(--sh-ease), box-shadow .2s var(--sh-ease), transform .2s var(--sh-ease); }
.card-sh:hover { border-color: var(--sh-edge); box-shadow: 5px 5px 0 var(--sh-hard); transform: translate(-2px, -2px); }
.card-sh h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem; }
.card-sh p { color: var(--sh-muted); margin-bottom: 0; }

.icon-box { --cat: var(--sh-brand); width: 2.9rem; height: 2.9rem; border-radius: .85rem; display: grid; place-items: center; font-size: 1.3rem; color: var(--cat); background: color-mix(in srgb, var(--cat) 14%, transparent); margin-bottom: 1.1rem; }
[data-bs-theme="dark"] .icon-box { color: color-mix(in srgb, var(--cat) 55%, #fff); }

.check-list { list-style: none; padding: 0; }
.check-list li { display: flex; gap: .65rem; align-items: flex-start; margin-bottom: .7rem; }
.check-list li::before { content: "\F26A"; font-family: "bootstrap-icons"; color: var(--sh-accent); font-size: 1.1rem; line-height: 1.45; flex-shrink: 0; }

/* Pasos */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
@media (min-width: 992px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; background: var(--sh-card); border: 1.5px solid var(--sh-border); border-radius: var(--sh-radius); padding: 2rem 1.75rem 1.75rem; transition: border-color .2s, box-shadow .2s, transform .2s; }
.step:hover { border-color: var(--sh-edge); box-shadow: 5px 5px 0 var(--sh-hard); transform: translate(-2px, -2px); }
.step-num { display: block; font-family: var(--sh-font-display); font-weight: 800; font-size: 4rem; line-height: .9; letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1.5px var(--sh-ink); margin-bottom: 1.25rem; transition: color .2s; }
.step:hover .step-num { color: var(--sh-lime); -webkit-text-stroke-color: var(--sh-edge); }
.step-icon { position: absolute; top: 1.75rem; right: 1.75rem; width: 2.75rem; height: 2.75rem; border-radius: 50%; display: grid; place-items: center; background: var(--sh-tint); color: var(--sh-brand); font-size: 1.2rem; }
[data-bs-theme="dark"] .step-icon { color: var(--sh-link); }
.step h3 { font-size: 1.3rem; font-weight: 700; }
.step p { color: var(--sh-muted); margin: 0; }

/* Bento "Nosotros" */
.bento { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .bento { grid-template-columns: repeat(2, 1fr); } .b-wide { grid-column: span 2; } }
@media (min-width: 992px) {
  .bento { grid-template-columns: repeat(12, 1fr); }
  .b-7 { grid-column: span 7; } .b-5 { grid-column: span 5; } .b-4 { grid-column: span 4; }
}
.bento-tile { position: relative; overflow: hidden; border-radius: var(--sh-radius); padding: 2rem; background: var(--sh-card); border: 1.5px solid var(--sh-border); }
.bento-tile h3 { font-size: 1.35rem; font-weight: 700; }
.bento-tile p { color: var(--sh-muted); margin-bottom: 0; }
.bento-ink { background: var(--sh-ink); color: var(--sh-bg); border-color: var(--sh-ink); }
.bento-ink p { color: color-mix(in srgb, var(--sh-bg) 75%, transparent); }
.bento-ink .icon-box { --cat: var(--sh-lime); color: var(--sh-lime); background: rgba(255, 255, 255, .1); }
[data-bs-theme="dark"] .bento-ink .icon-box { --cat: var(--sh-brand); color: var(--sh-brand); background: var(--sh-tint); }
.bento-coral { background: var(--sh-coral); color: #1c1530; border-color: var(--sh-coral); }
.bento-coral p { color: rgba(28, 21, 48, .8); }
.big-number { display: block; font-family: var(--sh-font-display); font-weight: 800; font-size: clamp(4.5rem, 10vw, 7.5rem); line-height: .85; letter-spacing: -.06em; margin-bottom: 1rem; }
.bento-tile .link-arrow { margin-top: 1rem; }

/* Para quién (pestañas) */
.audience-tabs { display: flex; flex-wrap: nowrap; gap: .35rem; padding: .35rem; margin: 0 auto 2.5rem; width: fit-content; max-width: 100%; border-radius: 999px; background: var(--sh-card); border: 1.5px solid var(--sh-border); overflow-x: auto; scrollbar-width: none; }
.audience-tabs::-webkit-scrollbar { display: none; }
.audience-tabs .nav-link { display: inline-flex; align-items: center; gap: .45rem; white-space: nowrap; border-radius: 999px; padding: .6rem 1.2rem; font-weight: 700; color: var(--sh-muted); }
.audience-tabs .nav-link:hover { color: var(--sh-ink); }
.audience-tabs .nav-link.active { background: var(--sh-ink); color: var(--sh-bg); }
.audience-panel { display: grid; gap: 2rem; align-items: center; background: var(--sh-card); border: 1.5px solid var(--sh-border); border-radius: var(--sh-radius-lg); padding: clamp(1.5rem, 4vw, 3rem); }
@media (min-width: 992px) { .audience-panel { grid-template-columns: 1.1fr 1fr; gap: 3rem; } }
.audience-panel h3 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -.03em; }
.audience-panel > div > p { color: var(--sh-muted); font-size: 1.05rem; }
.audience-side { background: var(--sh-soft); border-radius: var(--sh-radius); padding: 1.5rem; }
.audience-side h4 { font-size: .8rem; font-family: var(--sh-font-body); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--sh-muted); margin-bottom: 1rem; }
.feature-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }
.feature-chip { display: inline-flex; align-items: center; gap: .45rem; padding: .5rem .9rem; border-radius: 999px; background: var(--sh-card); border: 1.5px solid var(--sh-border); color: var(--sh-ink); font-weight: 600; font-size: .9rem; text-decoration: none; transition: border-color .2s, transform .2s; }
.feature-chip i { color: var(--sh-brand); }
[data-bs-theme="dark"] .feature-chip i { color: var(--sh-link); }
.feature-chip:hover { color: var(--sh-ink); border-color: var(--sh-edge); transform: translateY(-2px); }

/* Banda oscura (IA) */
.band-dark { background: var(--sh-band); color: var(--sh-band-ink); --sh-grid: rgba(255, 255, 255, .06); }
.band-dark .section-title { color: #fff; }
.band-dark .section-lead { color: var(--sh-band-muted); }
.band-dark .eyebrow { color: var(--sh-lime); background: rgba(198, 244, 50, .12); }
.band-dark .check-list li { color: var(--sh-band-ink); }
.band-dark .check-list li::before { color: var(--sh-lime); }
.band-dark .link-arrow { color: #fff; }
.band-dark .link-arrow:hover { color: var(--sh-lime); }
.chat-card { background: #fffdf8; color: #1c1530; border: 2px solid #000; border-radius: var(--sh-radius-lg); box-shadow: 8px 8px 0 var(--sh-lime); padding: 1.5rem; }
.chat-card .ai-head { padding-bottom: 1rem; border-bottom: 1.5px solid #e8e0d2; }
.chat-card .bubble-me { background: #f5efe4; }
.rubric { width: 100%; border-collapse: separate; border-spacing: 0 .35rem; font-size: .82rem; margin-top: .5rem; }
.rubric th { font-weight: 700; color: rgba(255, 255, 255, .75); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; padding: 0 .3rem; }
.rubric td { background: rgba(255, 255, 255, .14); padding: .35rem .5rem; }
.rubric td:first-child { border-radius: .5rem 0 0 .5rem; font-weight: 600; }
.rubric td:last-child { border-radius: 0 .5rem .5rem 0; }
.chat-suggest { display: flex; flex-wrap: wrap; gap: .4rem; margin: .75rem 0 1rem; }
.chat-suggest span { padding: .3rem .7rem; border-radius: 999px; border: 1.5px solid #e8e0d2; font-size: .78rem; font-weight: 600; }
.chat-input { display: flex; align-items: center; gap: .5rem; padding: .5rem .5rem .5rem 1rem; border-radius: 999px; border: 1.5px solid #e8e0d2; color: #6b6280; font-size: .9rem; }
.chat-input .send { margin-left: auto; width: 2.2rem; height: 2.2rem; border-radius: 50%; display: grid; place-items: center; background: #6d28d9; color: #fff; }

/* Catálogo de funcionalidades */
.catalog-filters { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-bottom: 2.5rem; }
.chip { display: inline-flex; align-items: center; gap: .45rem; padding: .55rem 1rem; border-radius: 999px; border: 1.5px solid var(--sh-border); background: var(--sh-card); color: var(--sh-ink); font-weight: 600; font-size: .92rem; cursor: pointer; white-space: nowrap; transition: background-color .2s var(--sh-ease), color .2s var(--sh-ease), border-color .2s var(--sh-ease); }
.chip:hover { border-color: var(--sh-edge); }
.chip.is-active { color: var(--sh-bg); background: var(--sh-ink); border-color: var(--sh-ink); }
.chip-count { display: inline-grid; place-items: center; min-width: 1.5rem; height: 1.5rem; padding: 0 .4rem; border-radius: 999px; font-size: .75rem; background: var(--sh-soft); color: var(--sh-ink); }
.chip.is-active .chip-count { background: var(--sh-lime); color: #1c1530; }
@media (max-width: 575.98px) {
  /* En celular los filtros se deslizan en horizontal en lugar de ocupar varias filas */
  .catalog-filters { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; margin-inline: -.75rem; padding: .25rem .75rem .75rem; scrollbar-width: none; }
  .catalog-filters::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; }
}
.catalog-item[data-cat="estudiantes"] { --cat: #7c3aed; }
.catalog-item[data-cat="profesores"] { --cat: #ea580c; }
.catalog-item[data-cat="evaluacion"] { --cat: #65a30d; }
.catalog-item[data-cat="escuelas"] { --cat: #0d9488; }
.catalog-item[data-cat="ia"] { --cat: #6d28d9; }
.catalog-item[data-cat="comunicacion"] { --cat: #db2777; }
.catalog-item[data-cat="bienestar"] { --cat: #d97706; }
.catalog-item[data-cat="plataforma"] { --cat: #475569; }
.catalog-item .icon-box { --cat: inherit; }
.catalog-item[data-cat="ia"] .icon-box { color: #fff; background: linear-gradient(135deg, var(--sh-brand), var(--sh-coral)); }
.tag { display: inline-block; padding: .25rem .65rem; border-radius: 999px; font-size: .72rem; font-weight: 700; color: color-mix(in srgb, var(--cat, var(--sh-muted)) 85%, var(--sh-ink)); background: color-mix(in srgb, var(--cat, var(--sh-muted)) 10%, transparent); text-align: right; }
[data-bs-theme="dark"] .tag { color: color-mix(in srgb, var(--cat, var(--sh-muted)) 50%, #fff); }
.catalog-item.is-entering { animation: sh-fade-up .35s var(--sh-ease) both; }
@keyframes sh-fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Planes */
.plan { display: flex; flex-direction: column; position: relative; }
.plan-name { font-family: var(--sh-font-body); font-size: .85rem !important; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--sh-muted); }
.price { font-family: var(--sh-font-display); font-size: 2.4rem; font-weight: 800; letter-spacing: -.04em; line-height: 1.05; margin: .25rem 0 .5rem; color: var(--sh-ink) !important; }
.plan .check-list { flex-grow: 1; margin: 1.25rem 0 1.75rem; }
.plan-featured { background: var(--sh-ink); color: var(--sh-bg); border-color: var(--sh-ink); }
.plan-featured .price { color: var(--sh-bg) !important; }
.plan-featured p, .plan-featured .plan-name { color: color-mix(in srgb, var(--sh-bg) 72%, transparent); }
.plan-featured .check-list li::before { color: var(--sh-lime); }
[data-bs-theme="dark"] .plan-featured .check-list li::before { color: var(--sh-brand); }
.plan-badge { position: absolute; top: 1.5rem; right: 1.5rem; padding: .3rem .8rem; border-radius: 999px; font-size: .75rem; font-weight: 700; background: var(--sh-lime); color: #1c1530; transform: rotate(4deg); }

/* Preguntas frecuentes */
@media (min-width: 992px) { .faq-aside { position: sticky; top: calc(var(--sh-nav-h) + 2rem); } }
.contact-mini { background: var(--sh-soft); border-radius: var(--sh-radius); padding: 1.5rem; margin-top: 2rem; }
.contact-mini p { color: var(--sh-muted); }
.accordion { --bs-accordion-bg: var(--sh-card); --bs-accordion-border-color: var(--sh-border); --bs-accordion-border-width: 1.5px; --bs-accordion-border-radius: var(--sh-radius-sm); --bs-accordion-inner-border-radius: calc(var(--sh-radius-sm) - 1.5px); --bs-accordion-btn-color: var(--sh-ink); --bs-accordion-btn-bg: var(--sh-card); --bs-accordion-active-color: var(--sh-ink); --bs-accordion-active-bg: var(--sh-card); --bs-accordion-btn-focus-box-shadow: var(--sh-ring); --bs-accordion-btn-padding-y: 1.2rem; --bs-accordion-body-padding-y: 0; --bs-accordion-body-padding-x: 1.25rem; }
.accordion-item { border-radius: var(--sh-radius-sm) !important; margin-bottom: .75rem; border-top-width: 1.5px !important; overflow: hidden; transition: border-color .2s; }
.accordion-item:has(.accordion-button:not(.collapsed)) { border-color: var(--sh-edge); }
.accordion-button { font-family: var(--sh-font-display); font-weight: 700; font-size: 1.1rem; }
.accordion-body { color: var(--sh-muted); padding-bottom: 1.25rem !important; }

/* CTA final */
.cta-block { position: relative; overflow: hidden; isolation: isolate; border-radius: var(--sh-radius-lg); padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4rem); color: #fff; background: var(--sh-brand); border: 2px solid var(--sh-edge); box-shadow: 8px 8px 0 var(--sh-hard); }
.cta-block::before { content: ""; position: absolute; z-index: -1; width: 22rem; height: 22rem; right: -6rem; top: -8rem; border-radius: 50%; background: var(--sh-coral); }
.cta-block::after { content: ""; position: absolute; z-index: -1; width: 9rem; height: 9rem; right: 14rem; bottom: -4rem; border-radius: 50%; border: 18px solid var(--sh-lime); }
.cta-block .section-title { color: #fff; max-width: 40rem; }
.cta-block p { color: rgba(255, 255, 255, .85); max-width: 36rem; font-size: 1.1rem; }

/* Formularios */
.form-control, .form-select { border-radius: var(--sh-radius-sm); border-width: 1.5px; padding: .7rem .95rem; border-color: var(--sh-border); background-color: var(--sh-card); }
.form-control:focus, .form-select:focus { border-color: var(--sh-brand); box-shadow: var(--sh-ring); }
.form-label { font-weight: 600; font-size: .92rem; }
.form-check-input:checked { background-color: var(--sh-brand); border-color: var(--sh-brand); }
.form-check-input:focus { box-shadow: var(--sh-ring); }

/* Modal */
.modal { --bs-modal-bg: var(--sh-card); --bs-modal-border-radius: var(--sh-radius-lg); --bs-modal-inner-border-radius: calc(var(--sh-radius-lg) - 2px); --bs-modal-padding: 1.75rem; --bs-modal-header-padding: 1.75rem 1.75rem 0; }
.modal-content { border: 2px solid var(--sh-edge); box-shadow: 8px 8px 0 var(--sh-hard); }
.success-badge { width: 3.5rem; height: 3.5rem; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 1rem; background: var(--sh-lime); color: #1c1530; font-size: 1.6rem; border: 2px solid var(--sh-edge); }

/* ---------- 10. Footer ---------- */
.site-footer { background: var(--sh-soft); border-top: 1.5px solid var(--sh-border); padding-top: 4.5rem; overflow: hidden; }
.site-footer h2 { font-family: var(--sh-font-body); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--sh-muted); margin-bottom: 1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .6rem; }
.footer-links a { color: var(--sh-ink); text-decoration: none; font-weight: 500; }
.footer-links a:hover { color: var(--sh-brand); text-decoration: underline; text-decoration-color: var(--sh-lime); text-decoration-thickness: 3px; text-underline-offset: 3px; }
[data-bs-theme="dark"] .footer-links a:hover { color: var(--sh-link); }
.contact-bar { display: flex; flex-wrap: wrap; gap: .75rem 2rem; align-items: center; margin-top: 3rem; padding: 1rem 1.5rem; border-radius: var(--sh-radius); background: var(--sh-card); border: 1.5px solid var(--sh-border); }
.contact-bar a, .contact-bar span { display: inline-flex; align-items: center; gap: .5rem; color: var(--sh-ink); text-decoration: none; font-weight: 600; }
.contact-bar a:hover { color: var(--sh-brand); }
.contact-bar i { color: var(--sh-coral); }
.contact-bar .bi-whatsapp { color: var(--sh-whatsapp); }
.social { display: flex; gap: .5rem; }
.social a { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border-radius: 50%; border: 1.5px solid var(--sh-border); background: var(--sh-card); color: var(--sh-ink); text-decoration: none; transition: all .2s var(--sh-ease); }
.social a:hover { background: var(--sh-ink); border-color: var(--sh-ink); color: var(--sh-bg); transform: translateY(-2px); }
.store-badges { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.store-btn { display: inline-flex; align-items: center; gap: .6rem; padding: .5rem 1.1rem .5rem .9rem; border-radius: .9rem; background: var(--sh-ink); color: var(--sh-bg); border: 2px solid var(--sh-edge); box-shadow: 3px 3px 0 var(--sh-hard); line-height: 1.1; cursor: default; user-select: none; }
.store-btn i { font-size: 1.45rem; }
.store-btn small { display: block; font-size: .66rem; font-weight: 500; opacity: .75; }
.store-btn strong { display: block; font-family: var(--sh-font-display); font-size: 1rem; font-weight: 700; letter-spacing: -.01em; }
.footer-wordmark { display: block; margin: 3.5rem 0 -1.2rem; text-align: center; font-family: var(--sh-font-display); font-weight: 800; font-size: clamp(3.5rem, 15.5vw, 13rem); line-height: .8; letter-spacing: -.045em; white-space: nowrap; color: color-mix(in srgb, var(--sh-ink) 7%, transparent); user-select: none; }
.footer-bottom { position: relative; border-top: 1.5px solid var(--sh-border); padding-block: 1.5rem; font-size: .875rem; color: var(--sh-muted); background: var(--sh-soft); }
.footer-bottom a { color: inherit; }

/* ---------- 11. Botón flotante de WhatsApp ---------- */
.wa-float { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 1030; width: 3.5rem; height: 3.5rem; border-radius: 50%; display: grid; place-items: center; font-size: 1.7rem; color: #fff; background: var(--sh-whatsapp); border: 2px solid var(--sh-edge); box-shadow: 3px 3px 0 var(--sh-hard); text-decoration: none; transition: transform .2s var(--sh-ease), box-shadow .2s var(--sh-ease); }
.wa-float:hover { color: #fff; transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--sh-hard); }

/* ---------- 12. Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}