/* ==========================================================================
   Alfa-Code · Propuesta 2 "Producto Tech" (dark)
   Sistema de diseño · Alto contraste, glassmorphism, orientado a demostrar
   capacidad técnica y ROI medible.
   ========================================================================== */

/* --- 1. Tokens ----------------------------------------------------------- */
:root {
  /* Marca */
  --brand:      #2A8BEC;
  --brand-lt:   #58B4FA;
  --brand-dk:   #0B4FA8;
  --cyan:       #22D3EE;
  --violet:     #7C6BF5;
  --mint:       #34E5B4;
  --amber:      #FFB020;
  --danger:     #FF6B6B;

  /* Superficies oscuras */
  --bg:      #060B14;
  --bg-2:    #0A1220;
  --surface: #0E1826;
  --surface-2: #121F31;
  --line:    rgba(255,255,255,.09);
  --line-2:  rgba(255,255,255,.16);

  /* Texto */
  --txt:     #EAF1FA;
  --txt-2:   #A7B7CC;
  --txt-3:   #6E8199;

  /* Tipografía */
  --font-display: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;

  /* Escala fluida */
  --fs-display: clamp(2.35rem, 1.5rem + 2.7vw, 3.9rem);
  --fs-h2: clamp(1.85rem, 1.2rem + 2.1vw, 3rem);
  --fs-lead: clamp(1.02rem, .95rem + .4vw, 1.24rem);

  --sp-section: clamp(4.5rem, 3rem + 6vw, 8.5rem);
  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 34px;

  --glow-brand: 0 0 0 1px rgba(42,139,236,.35), 0 18px 50px rgba(42,139,236,.28);
  --container: 1220px;
  --nav-h: 74px;
}

/* --- 2. Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 20px); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  line-height: 1.68;
  color: var(--txt-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--brand-lt); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--txt); line-height: 1.1; letter-spacing: -.03em; font-weight: 700; }
ul { list-style: none; padding: 0; }
::selection { background: var(--brand); color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

/* Fondo global: malla de gradientes + rejilla técnica */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 640px at 78% -6%, rgba(42,139,236,.24), transparent 60%),
    radial-gradient(760px 560px at 6% 14%, rgba(124,107,245,.18), transparent 62%),
    radial-gradient(820px 620px at 52% 108%, rgba(34,229,180,.12), transparent 60%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 0%, transparent 72%);
}

/* --- 3. Utilidades ------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.15rem, 4vw, 2rem); }
.section { padding-block: var(--sp-section); position: relative; }

.badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--brand-lt); background: rgba(42,139,236,.1); border: 1px solid rgba(42,139,236,.28);
  padding: .4rem .8rem; border-radius: 100px; margin-bottom: 1.15rem;
}
.badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--mint);
  box-shadow: 0 0 0 3px rgba(52,229,180,.22); animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.section-head { max-width: 740px; margin-bottom: clamp(2.5rem, 4.5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: var(--fs-h2); margin-bottom: 1rem; }
.section-head p { font-size: var(--fs-lead); color: var(--txt-2); }

.grad {
  background: linear-gradient(96deg, var(--cyan) 0%, var(--brand-lt) 42%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* --- 4. Botones ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--font-display); font-weight: 700; font-size: .97rem; line-height: 1;
  padding: 1.05rem 1.7rem; border-radius: 100px; border: 1px solid transparent; cursor: pointer;
  background: linear-gradient(100deg, var(--brand) 0%, var(--brand-lt) 100%);
  color: #04101F; white-space: nowrap; position: relative; overflow: hidden;
  box-shadow: 0 10px 30px rgba(42,139,236,.35);
  transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .22s ease, filter .22s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 42px rgba(42,139,236,.48); filter: brightness(1.06); }
.btn:active { transform: translateY(0); }
.btn svg { width: 17px; height: 17px; flex: none; }

.btn--ghost {
  background: rgba(255,255,255,.04); color: var(--txt); border-color: var(--line-2);
  box-shadow: none; backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(255,255,255,.09); box-shadow: none; }
.btn--sm { padding: .7rem 1.2rem; font-size: .87rem; }
.btn--block { width: 100%; }

/* --- 5. Navegación ------------------------------------------------------- */
.skip-link { position: absolute; left: 1rem; top: -100px; z-index: 999; background: var(--brand); color: #04101F; padding: .8rem 1.2rem; border-radius: var(--r-sm); font-weight: 700; }
.skip-link:focus { top: 1rem; }

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h); display: flex; align-items: center;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(6,11,20,.78); backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%); border-bottom-color: var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 1.5rem; width: 100%; }
/* --- Logotipo "Prisma": símbolo SVG + nombre como texto real --------------- */
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand__mark { width: 36px; height: 36px; flex: none; }
.brand__word {
  font-family: 'Plus Jakarta Sans', var(--font-display); font-weight: 800; font-size: 1.38rem;
  letter-spacing: -.03em; color: var(--txt); line-height: 1; white-space: nowrap;
}
.brand__word span { color: var(--txt-3); }   /* la mitad "-code" en gris */
.nav__menu { display: flex; align-items: center; gap: .2rem; margin-left: auto; }
.nav__menu a {
  padding: .55rem .85rem; border-radius: 100px; font-size: .92rem; font-weight: 500; color: var(--txt-2);
  transition: color .18s ease, background .18s ease;
}
.nav__menu a:hover { color: var(--txt); background: rgba(255,255,255,.06); }
.nav__cta { display: flex; align-items: center; gap: .6rem; }

.nav__toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line-2); background: rgba(255,255,255,.04);
  border-radius: 12px; align-items: center; justify-content: center; cursor: pointer;
}
.nav__toggle span { display: block; width: 18px; height: 2px; background: var(--txt); border-radius: 2px; position: relative; transition: .25s; }
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--txt); border-radius: 2px; transition: .25s; }
.nav__toggle span::before { top: -6px; } .nav__toggle span::after { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* --- 6. Hero ------------------------------------------------------------- */
.hero { padding-top: calc(var(--nav-h) + clamp(3rem, 6vw, 6rem)); padding-bottom: clamp(3rem, 5vw, 5rem); position: relative; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); gap: clamp(2.2rem, 4vw, 4rem); align-items: center; }
.hero h1 { font-size: var(--fs-display); margin-bottom: 1.3rem; }
.hero__lead { font-size: var(--fs-lead); color: var(--txt-2); max-width: 34rem; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-bottom: 2.2rem; }
.hero__proof { display: flex; flex-wrap: wrap; gap: 1.6rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.hero__proof b { display: block; font-family: var(--font-display); font-size: 1.6rem; color: var(--txt); line-height: 1.15; }
.hero__proof span { font-size: .8rem; color: var(--txt-3); }

/* Terminal animada */
.term {
  background: linear-gradient(160deg, rgba(18,31,49,.92), rgba(10,18,32,.96));
  border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(42,139,236,.12);
  backdrop-filter: blur(12px);
}
.term__bar { display: flex; align-items: center; gap: .5rem; padding: .85rem 1.1rem; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.term__dot { width: 11px; height: 11px; border-radius: 50%; }
.term__dot:nth-child(1) { background: #FF5F57; } .term__dot:nth-child(2) { background: #FEBC2E; } .term__dot:nth-child(3) { background: #28C840; }
.term__title { margin-left: .55rem; font-family: var(--font-mono); font-size: .74rem; color: var(--txt-3); }
.term__body { padding: 1.2rem 1.25rem 1.4rem; font-family: var(--font-mono); font-size: .82rem; line-height: 1.95; min-height: 232px; }
.term__line { white-space: pre-wrap; word-break: break-word; }
.term__line--cmd { color: var(--txt); }
.term__line--cmd::before { content: "$ "; color: var(--mint); }
.term__line--out { color: var(--txt-3); }
.term__line--ok { color: var(--mint); }
.term__line--warn { color: var(--amber); }
.term__cursor { display: inline-block; width: 8px; height: 1.05em; background: var(--cyan); vertical-align: -.18em; animation: blink 1.05s steps(2) infinite; }
@keyframes blink { 0%,50% { opacity: 1; } 51%,100% { opacity: 0; } }

.term__foot { display: flex; gap: .5rem; flex-wrap: wrap; padding: .9rem 1.25rem; border-top: 1px solid var(--line); background: rgba(255,255,255,.02); }
.chip {
  font-family: var(--font-mono); font-size: .7rem; color: var(--txt-2);
  border: 1px solid var(--line-2); border-radius: 100px; padding: .22rem .65rem; background: rgba(255,255,255,.03);
}

/* --- 7. Marquee de tecnologías ------------------------------------------ */
.marquee { border-block: 1px solid var(--line); padding-block: 1.5rem; overflow: hidden; background: rgba(255,255,255,.015); }
.marquee__track { display: flex; gap: 3.5rem; width: max-content; animation: slide 32s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: flex; align-items: center; gap: .55rem; font-family: var(--font-display); font-weight: 700;
  font-size: 1rem; color: var(--txt-3); white-space: nowrap; transition: color .2s ease;
}
.marquee__item:hover { color: var(--txt); }
.marquee__item svg { width: 19px; height: 19px; color: var(--brand); }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* --- 8. Comparativa antes / después ------------------------------------ */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(1rem, 2.5vw, 2rem); align-items: stretch; }
.compare__col { border-radius: var(--r-lg); padding: clamp(1.5rem, 3vw, 2.1rem); border: 1px solid var(--line); background: rgba(255,255,255,.022); }
.compare__col--bad { border-color: rgba(255,107,107,.22); background: rgba(255,107,107,.045); }
.compare__col--good { border-color: rgba(52,229,180,.28); background: rgba(52,229,180,.05); box-shadow: 0 20px 60px rgba(52,229,180,.08); }
.compare__col h3 { font-size: 1.15rem; margin-bottom: 1.25rem; display: flex; align-items: center; gap: .6rem; }
.compare__col h3 svg { width: 26px; height: 26px; padding: 5px; border-radius: 8px; }
.compare__col--bad h3 svg { background: rgba(255,107,107,.16); color: var(--danger); }
.compare__col--good h3 svg { background: rgba(52,229,180,.16); color: var(--mint); }
.compare__col li { display: flex; gap: .65rem; padding: .6rem 0; font-size: .93rem; border-bottom: 1px dashed var(--line); }
.compare__col li:last-child { border-bottom: 0; }
.compare__col li svg { width: 16px; height: 16px; flex: none; margin-top: .3rem; }
.compare__col--bad li svg { color: var(--danger); }
.compare__col--good li svg { color: var(--mint); }
.compare__col--good li { color: var(--txt); }
.compare__arrow { display: grid; place-items: center; color: var(--brand-lt); }
.compare__arrow svg { width: 34px; height: 34px; }

/* --- 9. Bento de servicios ---------------------------------------------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.1rem; }
.cell {
  position: relative; border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.7rem;
  background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.012));
  overflow: hidden; transition: transform .3s cubic-bezier(.2,.7,.3,1), border-color .3s ease, box-shadow .3s ease;
}
.cell::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: radial-gradient(340px 200px at var(--mx, 50%) var(--my, 0%), rgba(42,139,236,.20), transparent 70%);
  opacity: 0; transition: opacity .3s ease;
}
.cell:hover { transform: translateY(-4px); border-color: rgba(42,139,236,.42); box-shadow: 0 22px 60px rgba(0,0,0,.45); }
.cell:hover::after { opacity: 1; }
.cell > * { position: relative; z-index: 1; }
.cell--wide { grid-column: span 3; }
.cell--third { grid-column: span 2; }
.cell--half { grid-column: span 3; }
.cell__icon {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 1.1rem;
  background: linear-gradient(150deg, rgba(42,139,236,.28), rgba(124,107,245,.14)); color: var(--brand-lt);
  border: 1px solid rgba(42,139,236,.28);
}
.cell__icon svg { width: 22px; height: 22px; }
.cell h3 { font-size: 1.22rem; margin-bottom: .55rem; }
.cell p { font-size: .94rem; color: var(--txt-2); }
.cell__list { margin-top: 1rem; display: grid; gap: .45rem; }
.cell__list li { display: flex; gap: .55rem; font-size: .87rem; color: var(--txt-3); }
.cell__list svg { width: 15px; height: 15px; color: var(--brand); flex: none; margin-top: .28rem; }

/* --- 10. Módulos con pestañas ------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-bottom: 2rem; }
.tab {
  font-family: var(--font-display); font-weight: 700; font-size: .88rem; padding: .62rem 1.15rem;
  border-radius: 100px; border: 1px solid var(--line-2); background: rgba(255,255,255,.03);
  color: var(--txt-2); cursor: pointer; transition: .22s ease;
}
.tab:hover { color: var(--txt); border-color: var(--brand); }
.tab.is-active { background: linear-gradient(100deg, var(--brand), var(--brand-lt)); color: #04101F; border-color: transparent; box-shadow: 0 8px 24px rgba(42,139,236,.32); }

.panel { display: none; }
.panel.is-active { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(1.75rem, 3.5vw, 3rem); align-items: center; animation: fadeUp .45s cubic-bezier(.2,.7,.3,1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.panel h3 { font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); margin-bottom: .9rem; }
.panel p { color: var(--txt-2); margin-bottom: 1.4rem; }
.panel__feats { display: grid; gap: .7rem; }
.panel__feats li { display: flex; gap: .7rem; font-size: .93rem; }
.panel__feats svg { width: 18px; height: 18px; color: var(--mint); flex: none; margin-top: .3rem; }

.screen {
  border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(160deg, rgba(18,31,49,.9), rgba(10,18,32,.95));
  box-shadow: 0 30px 70px rgba(0,0,0,.5);
}
.screen__bar { display: flex; align-items: center; gap: .45rem; padding: .75rem 1rem; border-bottom: 1px solid var(--line); }
.screen__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.18); }
.screen__bar span { margin-left: .5rem; font-family: var(--font-mono); font-size: .72rem; color: var(--txt-3); }
.screen__body { padding: 1.1rem; display: grid; gap: .7rem; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.stat {
  border: 1px solid var(--line); border-radius: 12px; padding: .75rem .8rem; background: rgba(255,255,255,.03);
}
.stat small { display: block; font-family: var(--font-mono); font-size: .64rem; text-transform: uppercase; letter-spacing: .08em; color: var(--txt-3); }
.stat b { font-family: var(--font-display); font-size: 1.15rem; color: var(--txt); }
.bar-row { display: grid; gap: .5rem; }
.bar { display: grid; grid-template-columns: 88px 1fr 44px; align-items: center; gap: .6rem; font-size: .74rem; color: var(--txt-3); }
.bar__track { height: 7px; border-radius: 100px; background: rgba(255,255,255,.07); overflow: hidden; }
.bar__fill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--brand), var(--cyan)); }
.bar span:last-child { text-align: right; color: var(--txt-2); font-family: var(--font-mono); }
.table-lite { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.table-lite div { display: grid; grid-template-columns: 1fr auto; gap: .8rem; padding: .58rem .8rem; font-size: .78rem; border-bottom: 1px solid var(--line); }
.table-lite div:last-child { border-bottom: 0; }
.table-lite div b { color: var(--txt); font-weight: 600; }
.tagx { font-family: var(--font-mono); font-size: .68rem; padding: .1rem .5rem; border-radius: 100px; background: rgba(52,229,180,.14); color: var(--mint); }
.tagx--warn { background: rgba(255,176,32,.14); color: var(--amber); }
.tagx--info { background: rgba(42,139,236,.16); color: var(--brand-lt); }

/* --- 10a. Nombre de producto "αlfa-ERP" ---------------------------------
   Space Grotesk no incluye alfabeto griego: sin esto, la α la resolvería una
   fuente de respaldo distinta en cada sistema operativo. Inter sí trae griego
   y ya está cargada, así que el glifo queda fijo en todas las máquinas. */
.n-alpha { font-family: 'Inter', 'Segoe UI', system-ui, sans-serif; font-weight: inherit; }
.n-alpha--accent { color: var(--cyan); }

/* --- 10b. Caso de éxito · ERP ------------------------------------------- */
.case {
  border: 1px solid var(--line-2); border-radius: var(--r-xl); overflow: hidden; position: relative;
  background: linear-gradient(155deg, rgba(42,139,236,.14), rgba(124,107,245,.08) 55%, rgba(255,255,255,.02));
  backdrop-filter: blur(10px);
}
.case::before {
  content: ""; position: absolute; inset: -30% -10% auto -10%; height: 320px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(42,139,236,.30), transparent 72%); filter: blur(12px);
}
.case__inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(1.75rem, 3.5vw, 3rem); padding: clamp(1.6rem, 3.5vw, 2.75rem); align-items: center;
}
.case__story h3 {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.15rem); margin-bottom: .9rem;
}
.case__story p { color: var(--txt-2); margin-bottom: .9rem; }
.case__story strong { color: var(--txt); font-weight: 600; }

.case__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin: 1.6rem 0 1.25rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
}
.case__stat b {
  display: block; font-family: var(--font-display); font-weight: 700; line-height: 1.05;
  font-size: clamp(1.5rem, 1.15rem + 1.2vw, 2.1rem); color: var(--txt);
}
.case__stat span { font-size: .79rem; color: var(--txt-3); }

.case__stack { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.6rem; }

.case__modules { display: grid; grid-template-columns: repeat(auto-fill, minmax(108px, 1fr)); gap: .6rem; }
.mod {
  background: rgba(255,255,255,.05); border: 1px solid var(--line); border-radius: 13px;
  padding: .85rem .55rem; text-align: center; font-size: .75rem; font-weight: 500; color: var(--txt-2);
  transition: background .22s ease, transform .22s ease, border-color .22s ease;
}
.mod:hover { background: rgba(42,139,236,.14); border-color: rgba(42,139,236,.4); transform: translateY(-3px); color: var(--txt); }
.mod svg { width: 20px; height: 20px; margin: 0 auto .45rem; color: var(--brand-lt); }

/* Cómo se hizo */
.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; margin-top: 1.25rem; }
.how__item { border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.5rem; background: rgba(255,255,255,.025); }
.how__num {
  font-family: var(--font-mono); font-size: .8rem; color: var(--brand-lt);
  border: 1px solid rgba(42,139,236,.32); background: rgba(42,139,236,.1);
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; margin-bottom: .9rem;
}
.how__item h4 { font-family: var(--font-display); font-size: 1.03rem; color: var(--txt); margin-bottom: .45rem; }
.how__item p { font-size: .9rem; color: var(--txt-2); }

@media (max-width: 1024px) {
  .case__inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .case__stats { grid-template-columns: 1fr; gap: .8rem; text-align: left; }
  .case__modules { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
}

/* --- 11. Calculadora de ROI -------------------------------------------- */
.roi {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); gap: clamp(1.75rem, 3.5vw, 3rem);
  border: 1px solid var(--line-2); border-radius: var(--r-xl); padding: clamp(1.6rem, 3.5vw, 2.75rem);
  background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
  backdrop-filter: blur(10px);
}
.roi__controls { display: grid; gap: 1.5rem; align-content: start; }
.ctrl label { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: .9rem; color: var(--txt-2); margin-bottom: .6rem; }
.ctrl label b { font-family: var(--font-display); font-size: 1.15rem; color: var(--txt); }
.ctrl input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 100px;
  background: rgba(255,255,255,.1); outline: none; cursor: pointer;
}
.ctrl input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(150deg, var(--brand-lt), var(--brand)); border: 3px solid #071018;
  box-shadow: 0 0 0 4px rgba(42,139,236,.22); cursor: grab;
}
.ctrl input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--brand); border: 3px solid #071018;
  box-shadow: 0 0 0 4px rgba(42,139,236,.22); cursor: grab;
}
.ctrl__scale { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: .68rem; color: var(--txt-3); margin-top: .4rem; }

.roi__out { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.6rem; background: rgba(6,11,20,.5); display: grid; gap: 1.1rem; align-content: center; }
.roi__big { text-align: center; }
.roi__big small { display: block; font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--txt-3); margin-bottom: .35rem; }
.roi__big b { font-family: var(--font-display); font-size: clamp(2.1rem, 1.4rem + 2.4vw, 3.1rem); line-height: 1.05; display: block; }
.roi__split { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; border-top: 1px solid var(--line); padding-top: 1.1rem; }
.roi__split div { text-align: center; }
.roi__split b { display: block; font-family: var(--font-display); font-size: 1.3rem; color: var(--txt); }
.roi__split small { font-size: .74rem; color: var(--txt-3); }
.roi__note { font-size: .76rem; color: var(--txt-3); text-align: center; }

/* --- 12. Línea de tiempo ------------------------------------------------ */
.timeline { position: relative; display: grid; gap: 1.15rem; max-width: 880px; margin-inline: auto; }
.timeline::before { content: ""; position: absolute; left: 23px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--violet), transparent); }
.tl { display: grid; grid-template-columns: 48px 1fr; gap: 1.1rem; align-items: start; }
.tl__dot {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; position: relative; z-index: 1;
  background: var(--surface); border: 1px solid var(--line-2); font-family: var(--font-mono); font-size: .8rem; color: var(--brand-lt);
}
.tl__card { border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.25rem 1.4rem; background: rgba(255,255,255,.028); transition: border-color .25s ease, transform .25s ease; }
.tl:hover .tl__card { border-color: rgba(42,139,236,.4); transform: translateX(4px); }
.tl__card h3 { font-size: 1.08rem; margin-bottom: .35rem; }
.tl__card p { font-size: .92rem; }
.tl__when { font-family: var(--font-mono); font-size: .72rem; color: var(--brand-lt); margin-top: .6rem; display: inline-block; }

/* --- 13. Testimonios ---------------------------------------------------- */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.1rem; }
.quote { border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.7rem; background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.012)); display: flex; flex-direction: column; gap: 1rem; }
.quote__mark { font-family: var(--font-display); font-size: 2.6rem; line-height: .6; color: var(--brand); opacity: .5; }
.quote p { color: var(--txt); font-size: .96rem; }
.quote__who { display: flex; align-items: center; gap: .75rem; margin-top: auto; padding-top: .6rem; border-top: 1px solid var(--line); }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; flex: none; background: linear-gradient(150deg, var(--brand), var(--violet)); color: #fff; font-family: var(--font-display); font-weight: 700; font-size: .9rem; }
.quote__who b { display: block; font-size: .9rem; color: var(--txt); }
.quote__who span { font-size: .79rem; color: var(--txt-3); }

/* --- 14. FAQ ------------------------------------------------------------ */
.faq { max-width: 840px; margin-inline: auto; display: grid; gap: .65rem; }
.faq__item { border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: rgba(255,255,255,.025); transition: border-color .22s ease; }
.faq__item.is-open { border-color: rgba(42,139,236,.42); background: rgba(42,139,236,.06); }
.faq__q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer; color: var(--txt);
  padding: 1.15rem 1.35rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
}
.faq__q svg { width: 18px; height: 18px; flex: none; color: var(--brand-lt); transition: transform .25s ease; }
.faq__item.is-open .faq__q svg { transform: rotate(180deg); }
.faq__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p { padding: 0 1.35rem 1.25rem; font-size: .93rem; color: var(--txt-2); }

/* --- 15. Contacto ------------------------------------------------------- */
.contact { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.contact h2 { font-size: var(--fs-h2); margin-bottom: 1rem; }
.contact__lead { font-size: var(--fs-lead); margin-bottom: 1.8rem; }
.contact__list { display: grid; gap: .95rem; margin-bottom: 1.6rem; }
.contact__list li { display: flex; gap: .8rem; align-items: flex-start; }
.contact__list svg { width: 38px; height: 38px; padding: 9px; border-radius: 11px; background: rgba(42,139,236,.14); color: var(--brand-lt); border: 1px solid rgba(42,139,236,.24); flex: none; }
.contact__list b { display: block; font-size: .92rem; color: var(--txt); }
.contact__list a, .contact__list span { font-size: .89rem; color: var(--txt-3); }

.form {
  border: 1px solid var(--line-2); border-radius: var(--r-lg); padding: clamp(1.4rem, 3vw, 2.1rem);
  background: linear-gradient(160deg, rgba(255,255,255,.055), rgba(255,255,255,.015)); backdrop-filter: blur(10px);
}
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 600; color: var(--txt); }
.field label i { color: var(--danger); font-style: normal; }
.field input, .field select, .field textarea {
  background: rgba(6,11,20,.6); border: 1px solid var(--line-2); border-radius: 12px; padding: .82rem .95rem;
  font-size: .93rem; color: var(--txt); transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: var(--txt-3); }
.field select option { background: #0E1826; color: var(--txt); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(42,139,236,.18); }
.field textarea { resize: vertical; min-height: 108px; }
.field__hint { font-size: .75rem; color: var(--txt-3); }
.field__error { font-size: .75rem; color: var(--danger); display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.field.has-error .field__error { display: block; }
.field label.check { display: flex; gap: .6rem; align-items: flex-start; font-size: .83rem; font-weight: 400; color: var(--txt-3); }
.check input { width: 18px; height: 18px; margin-top: .15rem; accent-color: var(--brand); flex: none; }
.form__ok {
  display: none; align-items: center; gap: .7rem; margin-bottom: 1rem; padding: .95rem 1.1rem;
  background: rgba(52,229,180,.12); border: 1px solid rgba(52,229,180,.35); border-radius: 12px;
  color: var(--mint); font-size: .9rem; font-weight: 600;
}
.form__ok.is-visible { display: flex; }
.form__ok svg { width: 20px; height: 20px; flex: none; }

.form__err {
  display: none; align-items: flex-start; gap: .7rem; margin-bottom: 1rem; padding: .95rem 1.1rem;
  background: rgba(255,107,107,.12); border: 1px solid rgba(255,107,107,.35); border-radius: 12px;
  color: #FF9A9A; font-size: .9rem;
}
.form__err.is-visible { display: flex; }
.form__err svg { width: 20px; height: 20px; flex: none; margin-top: .1rem; }

/* Campo trampa anti-spam: fuera de pantalla, nunca con display:none
   (algunos bots ignoran los campos ocultos de esa forma). */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Estado "enviando" del botón */
.btn[aria-busy="true"] { pointer-events: none; opacity: .72; }
.btn[aria-busy="true"] .btn__icon { display: none; }
.btn[aria-busy="true"]::after {
  content: ""; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(4,16,31,.35); border-top-color: #04101F;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- 16. CTA final ------------------------------------------------------ */
.cta {
  text-align: center; border: 1px solid rgba(42,139,236,.3); border-radius: var(--r-xl);
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3rem); position: relative; overflow: hidden;
  background: linear-gradient(150deg, rgba(42,139,236,.16), rgba(124,107,245,.1) 60%, rgba(34,211,238,.08));
}
.cta::before { content: ""; position: absolute; inset: -40% -10% auto -10%; height: 300px; background: radial-gradient(closest-side, rgba(42,139,236,.35), transparent 70%); filter: blur(10px); }
.cta > * { position: relative; }
.cta h2 { font-size: var(--fs-h2); margin-bottom: 1rem; }
.cta p { font-size: var(--fs-lead); max-width: 36rem; margin: 0 auto 2rem; }
.cta .hero__actions { justify-content: center; margin-bottom: 0; }

/* --- 17. Footer --------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); padding-block: clamp(3rem, 5vw, 4.5rem) 2rem; background: rgba(6,11,20,.6); }
.footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; margin-bottom: 2.5rem; }
.footer__brand .brand { margin-bottom: 1.15rem; }
.footer__brand .brand__mark { width: 40px; height: 40px; }
.footer__brand .brand__word { font-size: 1.48rem; }
.footer__brand p { font-size: .9rem; max-width: 32ch; margin-bottom: 1.2rem; }
.footer h4 { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--txt); margin-bottom: 1rem; font-family: var(--font-mono); font-weight: 500; }
.footer li { margin-bottom: .55rem; }
.footer a { color: var(--txt-3); font-size: .9rem; transition: color .18s ease; }
.footer a:hover { color: var(--txt); }
.footer__social { display: flex; gap: .5rem; }
.footer__social a { width: 38px; height: 38px; border-radius: 11px; background: rgba(255,255,255,.05); border: 1px solid var(--line); display: grid; place-items: center; }
.footer__social a:hover { background: rgba(42,139,236,.2); border-color: rgba(42,139,236,.4); }
.footer__social svg { width: 17px; height: 17px; }
.footer__bottom { border-top: 1px solid var(--line); padding-top: 1.6rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: .83rem; color: var(--txt-3); }

/* --- 18. WhatsApp flotante --------------------------------------------- */
.wa {
  position: fixed; right: clamp(1rem, 3vw, 1.75rem); bottom: clamp(1rem, 3vw, 1.75rem); z-index: 90;
  display: inline-flex; align-items: center; gap: .6rem; padding: .8rem 1.1rem; border-radius: 100px;
  background: #25D366; color: #04101F; font-family: var(--font-display); font-weight: 700; font-size: .88rem;
  box-shadow: 0 12px 32px rgba(37,211,102,.4); transition: transform .2s ease;
}
.wa:hover { transform: translateY(-2px); }
.wa svg { width: 22px; height: 22px; }

/* --- 19. Reveal --------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s cubic-bezier(.2,.7,.3,1), transform .65s cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }

/* --- 20. Responsive ----------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .term { max-width: 640px; }
  .panel.is-active { grid-template-columns: 1fr; }
  .roi { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cell--wide, .cell--third, .cell--half { grid-column: span 3; }
  .compare { grid-template-columns: 1fr; }
  .compare__arrow { transform: rotate(90deg); padding-block: .5rem; }
}
@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(6,11,20,.97); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line);
    padding: .75rem 1.15rem 1.35rem; transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease; max-height: calc(100dvh - var(--nav-h)); overflow-y: auto;
  }
  .nav__menu.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__menu a { padding: .9rem .6rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav__cta .btn { display: none; }
  .wa span { display: none; }
  .wa { padding: 1rem; }
}
@media (max-width: 640px) {
  .bento { grid-template-columns: 1fr; }
  .cell--wide, .cell--third, .cell--half { grid-column: span 1; }
  .form__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .stat-row .stat:last-child { display: none; }
  .roi__split { grid-template-columns: 1fr; }
  .hero__proof { gap: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
}