/* =========================================================
   SOLUCIONES BONICAS — Sistema de diseño
   Estudio digital · tecnología amable, diseño con cariño
   ========================================================= */

/* ---------- 1. Tokens / variables ---------- */
:root {
  /* Paleta de marca (extraída del logo del unicornio) */
  --cream:        #fbf7ec;
  --cream-2:      #f4eedc;
  --teal:         #1d3a3e;   /* marco del Mac / texto principal */
  --teal-700:     #16484e;
  --sky:          #57b9e8;   /* pantalla azul */
  --sky-soft:     #d6eefb;
  --salmon:       #ff9e7a;   /* acento cálido */
  --salmon-2:     #ffb18a;
  --violet:       #9b7fd4;   /* melena */
  --yellow:       #f6c544;
  --orange:       #f39c2c;
  --red:          #e8584a;
  --green:        #4cb98a;

  /* Roles */
  --bg:           var(--cream);
  --surface:      #ffffff;
  --ink:          var(--teal);
  --ink-soft:     #50686b;
  --line:         #e7e0cf;

  --grad-brand:   linear-gradient(100deg, var(--red) 0%, var(--orange) 22%, var(--yellow) 42%, var(--green) 64%, var(--sky) 82%, var(--violet) 100%);
  --grad-warm:    linear-gradient(120deg, var(--salmon) 0%, var(--yellow) 100%);
  --grad-cool:    linear-gradient(135deg, var(--sky) 0%, var(--violet) 100%);

  /* Tipografía */
  --font-sans:    'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);

  /* Radios / sombras */
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 36px;
  --shadow-sm: 0 4px 14px rgba(29,58,62,.06);
  --shadow-md: 0 18px 40px -18px rgba(29,58,62,.28);
  --shadow-lg: 0 40px 80px -30px rgba(29,58,62,.35);

  --container: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
[hidden] { display: none !important; }   /* el atributo hidden manda sobre display:flex/grid */
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; font-weight: 700; letter-spacing: -.02em; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.2rem); }

.section { padding-block: clamp(4rem, 9vw, 7.5rem); position: relative; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--teal); color: #fff; padding: .7rem 1.2rem; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

/* ---------- 3. Utilidades ---------- */
.grad-text {
  background: linear-gradient(100deg, var(--red), var(--orange), var(--yellow), var(--green), var(--sky), var(--violet), var(--red));
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: grad-flow 9s linear infinite;
}
@keyframes grad-flow { to { background-position: 250% 0; } }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .82rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-soft);
  padding: .35rem .85rem;
  border: 1px solid var(--line); border-radius: 100px;
  background: var(--surface);
}
.eyebrow--light { color: rgba(255,255,255,.85); border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.08); }

.section__head { max-width: 760px; margin: 0 auto clamp(2.5rem, 5vw, 4rem); text-align: center; }
.section__title { font-size: clamp(1.9rem, 4.5vw, 3.1rem); margin-top: 1rem; }
.section__lead { margin-top: 1.1rem; color: var(--ink-soft); font-size: clamp(1.02rem, 2vw, 1.18rem); }
.section__head--light .section__title,
.section__head--light .section__lead { color: #fff; }
.section__head--light .section__lead { color: rgba(255,255,255,.82); }

/* ---------- 4. Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  padding: .85rem 1.6rem; border-radius: 100px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  will-change: transform;
}
.btn--primary { background: var(--teal); color: #fff; box-shadow: var(--shadow-md); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 22px 45px -16px rgba(29,58,62,.5); }
.btn--primary:active { transform: translateY(-1px); }
.btn--ghost { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); }
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--teal); box-shadow: var(--shadow-sm); }
.btn--lg { padding: 1.05rem 2.2rem; font-size: 1.12rem; }
.btn--block { width: 100%; }

/* ---------- 5. Header / nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(251,247,236,.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); }
.brand__mark { width: 42px; height: 42px; object-fit: contain; }
.brand__name { font-weight: 600; font-size: 1.05rem; letter-spacing: -.02em; }
.brand__name strong { color: var(--salmon); font-weight: 700; }

.nav__list { display: flex; align-items: center; gap: .35rem; }
.nav__link {
  position: relative; font-weight: 500; font-size: .98rem; padding: .55rem .85rem; border-radius: 100px;
  color: var(--ink); transition: background .2s, color .2s;
}
.nav__link::after {
  content: ""; position: absolute; left: 50%; bottom: .32rem; width: 0; height: 2px;
  background: var(--grad-brand); transform: translateX(-50%); transition: width .25s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { width: 42%; }
.nav__link--cta { background: var(--teal); color: #fff; }
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: var(--teal-700); }

/* WhatsApp en cabecera — elegante */
.nav-actions { display: flex; align-items: center; gap: .6rem; }
.wa-btn {
  position: relative; display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; font-size: .92rem; color: #fff;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  padding: .6rem 1.05rem; border-radius: 100px;
  box-shadow: 0 8px 22px -8px rgba(18,140,126,.6);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  overflow: visible;
}
.wa-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(18,140,126,.75); }
.wa-btn:active { transform: translateY(0); }
.wa-btn__icon { position: relative; z-index: 2; }
.wa-btn__label { position: relative; z-index: 2; }
.wa-btn__ring {
  position: absolute; inset: 0; border-radius: 100px; z-index: 1;
  box-shadow: 0 0 0 0 rgba(37,211,102,.55); animation: wa-pulse 2.6s var(--ease) infinite;
}
@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  70%  { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.nav-toggle span { width: 26px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero { position: relative; padding-top: 130px; padding-bottom: 0; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; will-change: transform; }
.blob--1 { width: 480px; height: 480px; background: var(--sky-soft); top: -120px; right: -80px; animation: drift1 18s ease-in-out infinite; }
.blob--2 { width: 420px; height: 420px; background: rgba(255,158,122,.45); bottom: -120px; left: -100px; animation: drift2 22s ease-in-out infinite; }
.blob--3 { width: 360px; height: 360px; background: rgba(155,127,212,.30); top: 120px; left: 40%; animation: drift3 16s ease-in-out infinite; }
@keyframes drift1 { 50% { transform: translate(-50px, 60px) scale(1.12); } }
@keyframes drift2 { 50% { transform: translate(70px, -50px) scale(1.08); } }
@keyframes drift3 { 50% { transform: translate(-40px, -40px) scale(1.15); } }
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px; opacity: .35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
}

.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; padding-bottom: clamp(3rem, 6vw, 5rem);
}
.pill {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .85rem; font-weight: 600; color: var(--ink-soft);
  background: var(--surface); border: 1px solid var(--line); border-radius: 100px;
  padding: .4rem .9rem; box-shadow: var(--shadow-sm);
}
.pill__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(76,185,138,.2); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(76,185,138,0); } }

.hero__title { font-size: clamp(2.3rem, 5.4vw, 4rem); margin-top: 1.2rem; }
.hero__subtitle { margin-top: 1.4rem; font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--ink-soft); max-width: 36ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero__tagline { margin-top: 1.6rem; font-weight: 600; color: var(--ink); font-size: .98rem; }
.hero__tagline span { color: var(--salmon); }

/* Métricas del hero */
.hero__stats { display: flex; gap: 2.2rem; margin-top: 2.2rem; flex-wrap: wrap; }
.stat { position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: -1.1rem; top: 10%; height: 80%; width: 1px; background: var(--line); }
.stat__num { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.7rem, 3.5vw, 2.3rem); line-height: 1; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat dd { font-size: .86rem; color: var(--ink-soft); margin-top: .3rem; }

/* Visual hero: dispositivo + tarjetas flotantes */
.hero__visual { position: relative; min-height: 420px; display: flex; align-items: center; justify-content: center; }
.device {
  width: min(100%, 440px); background: var(--teal); border-radius: var(--r-lg);
  padding: 14px; box-shadow: var(--shadow-lg); transform: rotate(-2deg);
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 50% { transform: rotate(-2deg) translateY(-12px); } }
.device__bar { display: flex; gap: 7px; padding: 4px 6px 12px; }
.device__bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.35); }
.device__bar span:first-child { background: var(--red); }
.device__bar span:nth-child(2) { background: var(--yellow); }
.device__bar span:nth-child(3) { background: var(--green); }
.device__screen {
  background: linear-gradient(160deg, var(--sky) 0%, var(--sky-soft) 100%);
  border-radius: var(--r-md); padding: 1.6rem; min-height: 280px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem;
}
.device__logo { width: 62%; filter: drop-shadow(0 10px 20px rgba(29,58,62,.25)); }
.code-line { height: 9px; border-radius: 100px; background: rgba(255,255,255,.8); }
.code-line--1 { width: 70%; }
.code-line--2 { width: 52%; background: rgba(255,255,255,.55); }
.code-line--3 { width: 60%; background: rgba(255,255,255,.7); }

.float-card {
  position: absolute; display: flex; align-items: center; gap: .65rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: .75rem 1rem; box-shadow: var(--shadow-md); animation: floaty 5s ease-in-out infinite;
}
.float-card strong { display: block; font-size: .92rem; font-family: var(--font-display); }
.float-card small { color: var(--ink-soft); font-size: .78rem; }
.float-card__icon { font-size: 1.3rem; }
.float-card--ai    { top: 6%;  left: -6%;  animation-delay: .3s; }
.float-card--auto  { bottom: 14%; left: -4%; animation-delay: 1.2s; }
.float-card--sales { top: 18%; right: -6%; animation-delay: .8s; }

/* Marquee */
.marquee { position: relative; z-index: 1; overflow: hidden; border-block: 1px solid var(--line); background: var(--surface); padding: .9rem 0; }
.marquee__track { display: flex; gap: 1.6rem; width: max-content; animation: marquee 32s linear infinite; }
.marquee__track span { font-family: var(--font-display); font-weight: 600; color: var(--ink-soft); white-space: nowrap; }
.marquee__track span:nth-child(even) { color: var(--salmon); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 7. Problema ---------- */
.problem__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.prob-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 2rem 1.7rem; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.prob-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.prob-card__icon { font-size: 1.9rem; display: inline-block; margin-bottom: .9rem; }
.prob-card h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.prob-card p { color: var(--ink-soft); font-size: .98rem; }
.prob-card--accent { background: var(--teal); color: #fff; border-color: var(--teal); }
.prob-card--accent h3 { color: #fff; }
.prob-card--accent p { color: rgba(255,255,255,.82); }

/* ---------- 8. Servicios ---------- */
.services { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%); }
.services__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
.svc-card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-xl); padding: 2.2rem; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.svc-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--accent-color, var(--sky));
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-card[data-accent="blue"]   { --accent-color: var(--sky); }
.svc-card[data-accent="violet"] { --accent-color: var(--violet); }
.svc-card[data-accent="orange"] { --accent-color: var(--orange); }
.svc-card[data-accent="green"]  { --accent-color: var(--green); }
.svc-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.svc-card__icon {
  display: inline-grid; place-items: center; width: 58px; height: 58px; font-size: 1.6rem;
  border-radius: var(--r-md); background: color-mix(in srgb, var(--accent-color) 16%, white);
}
.svc-card__tag { font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--line); }
.svc-card h3 { font-size: 1.45rem; margin-bottom: .7rem; }
.svc-card p { color: var(--ink-soft); margin-bottom: 1.2rem; }
.svc-card__list { display: grid; gap: .5rem; margin-bottom: 1.4rem; }
.svc-card__list li { position: relative; padding-left: 1.5rem; font-size: .95rem; color: var(--ink-soft); }
.svc-card__list li::before { content: "✦"; position: absolute; left: 0; color: var(--accent-color); }
.svc-card__link { font-family: var(--font-display); font-weight: 600; color: var(--ink); display: inline-flex; gap: .4rem; transition: gap .25s; }
.svc-card__link:hover { gap: .8rem; color: var(--accent-color); }

.services__extras {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2rem;
}
.services__extras li {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 1.1rem 1.2rem; font-size: .92rem; color: var(--ink-soft);
}
.services__extras strong { display: block; color: var(--ink); font-family: var(--font-display); margin-bottom: .15rem; }

/* ---------- 9. Método ---------- */
.method__steps { display: grid; gap: 1.1rem; max-width: 880px; margin: 0 auto; counter-reset: step; }
.step {
  display: flex; gap: 1.5rem; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1.6rem 1.8rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.step:hover { transform: translateX(8px); box-shadow: var(--shadow-md); }
.step__num {
  flex: none; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  width: 56px; height: 56px; display: grid; place-items: center; border-radius: var(--r-md);
  background: var(--grad-cool); color: #fff;
}
.step:nth-child(2) .step__num { background: var(--grad-warm); }
.step:nth-child(3) .step__num { background: linear-gradient(135deg, var(--violet), var(--red)); }
.step:nth-child(4) .step__num { background: linear-gradient(135deg, var(--green), var(--sky)); }
.step:nth-child(5) .step__num { background: linear-gradient(135deg, var(--orange), var(--yellow)); }
.step__body h3 { font-size: 1.22rem; margin-bottom: .35rem; }
.step__body p { color: var(--ink-soft); font-size: .98rem; }
.method__note {
  max-width: 720px; margin: 2.6rem auto 0; text-align: center; font-size: 1.1rem; color: var(--ink-soft);
  background: var(--sky-soft); border-radius: var(--r-lg); padding: 1.8rem 2rem; border: 1px solid var(--line);
}
.method__note strong { color: var(--ink); }

/* ---------- 10. IA aplicada (oscura) ---------- */
.ai { background: var(--teal); color: #fff; overflow: hidden; }
.ai__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(87,185,232,.25), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(155,127,212,.25), transparent 40%);
}
.ai .container { position: relative; z-index: 1; }
.ai__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.ai-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-lg); padding: 1.8rem; backdrop-filter: blur(6px);
  transition: transform .3s var(--ease), background .3s, border-color .3s;
}
.ai-card:hover { transform: translateY(-6px); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); }
.ai-card span { font-size: 1.7rem; display: inline-block; margin-bottom: .8rem; }
.ai-card h3 { font-size: 1.18rem; margin-bottom: .45rem; color: #fff; }
.ai-card p { color: rgba(255,255,255,.78); font-size: .96rem; }

/* ---------- 11. Transversalidad ---------- */
.cross__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.cross__copy .section__title { text-align: left; }
.cross__copy .section__lead { margin-left: 0; }
.cross__tags { display: flex; flex-wrap: wrap; gap: .7rem; }
.cross__tags li {
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  padding: .7rem 1.2rem; border-radius: 100px; background: var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), color .25s, border-color .25s;
}
.cross__tags li:hover { transform: translateY(-4px); border-color: var(--salmon); color: var(--salmon); }

/* ---------- 12. Proyectos (sección oscura tecnológica) ---------- */
.projects { background: #0f2528; color: #fff; overflow: hidden; }
.projects__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(87,185,232,.22), transparent 42%),
    radial-gradient(circle at 88% 82%, rgba(155,127,212,.22), transparent 42%),
    radial-gradient(circle at 60% 50%, rgba(255,158,122,.10), transparent 55%);
}
.projects__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 75% 70% at 50% 45%, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 45%, #000 35%, transparent 80%);
}
.projects .container { position: relative; z-index: 1; }

.projects__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; perspective: 1100px; }

.proj {
  --mx: 50%; --my: 50%; --rx: 0deg; --ry: 0deg;
  position: relative; display: flex; flex-direction: column;
  border-radius: var(--r-lg); padding: 2px; /* hueco para el borde con glow */
  background: linear-gradient(160deg, rgba(255,255,255,.14), rgba(255,255,255,.04));
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform .3s var(--ease), box-shadow .35s var(--ease);
  isolation: isolate;
}
.proj::before { /* borde con degradado de marca que aparece al hover */
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease); z-index: 3;
}
.proj:hover { box-shadow: 0 28px 60px -22px rgba(0,0,0,.7); }
.proj:hover::before { opacity: 1; }

/* Spotlight que sigue al cursor */
.proj__spot {
  position: absolute; inset: 0; border-radius: inherit; z-index: 2; pointer-events: none;
  background: radial-gradient(220px circle at var(--mx) var(--my), rgba(87,185,232,.28), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.proj:hover .proj__spot { opacity: 1; }

.proj__media {
  position: relative; aspect-ratio: 16/11; overflow: hidden;
  border-radius: calc(var(--r-lg) - 3px) calc(var(--r-lg) - 3px) 0 0;
  background: #ffffff;
  display: grid; place-items: center;
}
.proj__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(100%) contrast(1.02);
  transition: filter .45s var(--ease), transform .55s var(--ease);
}
.proj__media--logo { padding: 1.7rem; }
.proj__media--logo img { object-fit: contain; filter: grayscale(100%) opacity(.85); }
.proj:hover .proj__media img,
.proj:hover .proj__media--logo img { filter: none; transform: scale(1.05); }

/* Velo MUY sutil para dar profundidad sin oscurecer el blanco; se va al hover */
.proj__veil {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(160deg, rgba(15,37,40,0) 55%, rgba(15,37,40,.07) 100%);
  opacity: 1; transition: opacity .45s var(--ease);
}
.proj:hover .proj__veil { opacity: 0; }

.proj__info {
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  padding: 1.1rem 1.3rem; background: rgba(255,255,255,.04);
  border-radius: 0 0 calc(var(--r-lg) - 3px) calc(var(--r-lg) - 3px);
  backdrop-filter: blur(4px);
}
.proj__info strong { display: block; font-family: var(--font-display); font-size: 1.04rem; color: #fff; }
.proj__tag { font-size: .82rem; color: rgba(255,255,255,.6); }
.proj__go {
  flex: none; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%;
  font-size: 1.15rem; color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.proj:hover .proj__go { background: var(--grad-brand); color: #fff; transform: rotate(45deg) scale(1.05); border-color: transparent; }

/* ---------- 13. Equipo ---------- */
.team { background: linear-gradient(180deg, var(--cream-2) 0%, var(--cream) 100%); }
.team__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; max-width: 900px; margin: 0 auto; }
.member { text-align: center; }
.member__photo {
  border-radius: var(--r-xl); overflow: hidden; aspect-ratio: 4/5; margin-bottom: 1.1rem;
  border: 4px solid var(--surface); box-shadow: var(--shadow-md); position: relative;
}
.member__photo::after {
  content: ""; position: absolute; inset: 0; background: var(--grad-cool); opacity: 0; mix-blend-mode: soft-light; transition: opacity .4s;
}
.member:hover .member__photo::after { opacity: .5; }
.member__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.member:hover .member__photo img { transform: scale(1.05); }
.member__name { font-size: 1.4rem; }
.member__role { color: var(--ink-soft); font-size: .96rem; }

/* ---------- 14. CTA final ---------- */
.cta-final { padding-block: clamp(3rem, 7vw, 5.5rem); }
.cta-final__inner {
  position: relative; text-align: center; max-width: 820px; margin: 0 auto;
  background: var(--grad-brand); border-radius: var(--r-xl); padding: clamp(2.5rem, 6vw, 4rem);
  color: #fff; box-shadow: var(--shadow-lg); overflow: hidden;
}
.cta-final__inner::before {
  content: ""; position: absolute; inset: 3px; background: var(--teal); border-radius: calc(var(--r-xl) - 3px); z-index: 0;
}
.cta-final__inner > * { position: relative; z-index: 1; }
.cta-final__icon { font-size: 2.6rem; display: inline-block; margin-bottom: .6rem; }
.cta-final__title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); color: #fff; }
.cta-final__text { margin: 1.1rem auto 1.9rem; max-width: 56ch; color: rgba(255,255,255,.85); }
.cta-final .btn--primary { background: #fff; color: var(--teal); }
.cta-final .btn--primary:hover { background: var(--cream); }

/* ---------- 15. Contacto ---------- */
.contact__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact__intro .section__title { text-align: left; }
.contact__intro .section__lead { margin-left: 0; }
.contact__channels { margin-top: 2rem; display: grid; gap: .9rem; }
.contact__channels a {
  display: flex; align-items: center; gap: .8rem; font-family: var(--font-display); font-weight: 600;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 1rem 1.3rem; transition: transform .25s var(--ease), border-color .25s;
}
.contact__channels a:hover { transform: translateX(6px); border-color: var(--salmon); }
.contact__channels small { color: var(--ink-soft); font-weight: 500; margin-left: auto; }
.contact__ic { font-size: 1.2rem; }

.contact__form {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: clamp(1.6rem, 3vw, 2.4rem); box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: .4rem; }
.field label { font-weight: 600; font-size: .92rem; }
.field .opt { color: var(--ink-soft); font-weight: 400; }
.field input, .field textarea {
  font: inherit; padding: .85rem 1rem; border: 1.5px solid var(--line); border-radius: var(--r-sm);
  background: var(--cream); color: var(--ink); transition: border-color .2s, background .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--sky); background: #fff; box-shadow: 0 0 0 4px rgba(87,185,232,.18);
}
.field input:invalid:not(:placeholder-shown) { border-color: var(--red); }
.gdpr { display: flex; gap: .6rem; align-items: flex-start; font-size: .88rem; color: var(--ink-soft); margin-bottom: 1.3rem; }
.gdpr input { margin-top: .2rem; accent-color: var(--salmon); }
.gdpr a { color: var(--salmon); font-weight: 600; }
.form-success {
  display: flex; gap: .7rem; align-items: flex-start;
  background: color-mix(in srgb, var(--green) 14%, white); border: 1px solid var(--green);
  color: var(--teal-700); border-radius: var(--r-md); padding: 1.1rem 1.3rem; margin-bottom: 1.3rem; font-weight: 500;
}
.form-success span { font-size: 1.3rem; }
.form-error {
  display: flex; gap: .7rem; align-items: flex-start;
  background: color-mix(in srgb, var(--red) 12%, white); border: 1px solid var(--red);
  color: #9b2c20; border-radius: var(--r-md); padding: 1.1rem 1.3rem; margin-bottom: 1.3rem; font-weight: 500;
}
.form-error span { font-size: 1.2rem; }

/* Honeypot anti-spam (oculto a humanos) */
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Botón con estado de carga */
#form-submit { position: relative; }
.btn__spinner { display: none; width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
#form-submit.is-loading .btn__label { opacity: .55; }
#form-submit.is-loading .btn__spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 16. Footer ---------- */
.site-footer { background: var(--teal); color: rgba(255,255,255,.8); padding-top: 3.5rem; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.footer__brand img { background: var(--cream); border-radius: var(--r-md); padding: .6rem; margin-bottom: 1rem; }
.footer__brand p { max-width: 30ch; font-size: .95rem; }
.footer__nav, .footer__legal { display: flex; flex-direction: column; gap: .7rem; }
.footer__nav a, .footer__legal a { transition: color .2s, padding .2s; width: fit-content; }
.footer__nav a:hover, .footer__legal a:hover { color: var(--salmon); padding-left: 4px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding-block: 1.4rem; text-align: center; font-size: .88rem; color: rgba(255,255,255,.6); }

/* ---------- 17. Volver arriba ---------- */
.to-top {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 50px; height: 50px; border-radius: 50%; background: var(--teal); color: #fff;
  font-size: 1.3rem; box-shadow: var(--shadow-md); opacity: 0; transform: translateY(20px);
  transition: opacity .3s, transform .3s, background .2s;
}
.to-top.is-visible { opacity: 1; transform: translateY(0); }
.to-top:hover { background: var(--salmon); }

/* ---------- 18. Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .06s; }
.reveal:nth-child(3) { transition-delay: .12s; }
.reveal:nth-child(4) { transition-delay: .18s; }
.reveal:nth-child(5) { transition-delay: .24s; }
.reveal:nth-child(6) { transition-delay: .3s; }

/* ---------- 19. Responsive ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; padding-top: 1rem; }
  .hero__subtitle { margin-inline: auto; }
  .hero__cta, .pill { justify-content: center; }
  .hero__visual { order: -1; min-height: 360px; margin-bottom: 1rem; }
  .problem__grid { grid-template-columns: repeat(2, 1fr); }
  .ai__grid { grid-template-columns: repeat(2, 1fr); }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .cross__inner { grid-template-columns: 1fr; }
  .cross__copy .section__title, .contact__intro .section__title { text-align: center; }
  .contact__inner { grid-template-columns: 1fr; }
  .contact__intro { text-align: center; }
  .contact__intro .section__lead { margin-inline: auto; }
  .contact__channels { max-width: 460px; margin-inline: auto; }
  .hero__stats { justify-content: center; }
}

@media (max-width: 760px) {
  .nav { position: fixed; inset: 74px 0 auto 0; background: var(--cream);
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    transform: translateY(-120%); transition: transform .35s var(--ease); padding: 1rem; }
  .nav.is-open { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: .3rem; }
  .nav__link { padding: .9rem 1rem; border-radius: var(--r-sm); font-size: 1.05rem; }
  .nav__link::after { display: none; }
  .nav__link--cta { text-align: center; margin-top: .4rem; }
  .nav-toggle { display: flex; }
  .wa-btn__label { display: none; }
  .wa-btn { padding: .6rem; width: 42px; height: 42px; justify-content: center; }

  .services__grid { grid-template-columns: 1fr; }
  .services__extras { grid-template-columns: 1fr 1fr; }
  .team__grid { grid-template-columns: 1fr; max-width: 320px; }
  .form-row { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 1rem; }
  .step:hover { transform: none; }
  .float-card--ai { left: 0; }
  .float-card--auto { left: 0; bottom: 6%; }
  .float-card--sales { right: 0; }
}

@media (max-width: 460px) {
  .problem__grid, .ai__grid, .projects__grid, .services__extras { grid-template-columns: 1fr; }
  .float-card { transform: scale(.85); }
}

/* ---------- 20. Accesibilidad / motion ---------- */
@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; }
}