/* =========================================================
   SAMVIA · Catálogo de servicios (/servicios/)
   1 Fuentes y tokens · 2 Base · 3 Botones · 4 Cabecera · 5 Portada
   6 Secciones · 7 Servicios · 8 Negocios · 9 Proceso · 10 Diferencia
   11 Mantenimiento · 12 FAQ · 13 Contacto · 14 Pie y barra móvil
   15 Animaciones · 16 Responsive
   ========================================================= */

/* ---------- 1. Fuentes y tokens ---------- */
@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --blue: #021bf9;
  --blue-600: #0016d1;
  --blue-700: #0011a3;
  --blue-900: #000a63;
  --blue-400: #4a5dff;
  --blue-300: #8a96ff;
  --blue-200: #c5cbff;
  --blue-100: #e6e9ff;
  --blue-50: #f3f4ff;
  --sky: #9fd8ff;
  --ink: #0a1033;
  --ink-2: #273058;
  --muted: #5b6488;
  --line: #e3e8f7;
  --white: #fff;
  --wa: #1fae5b;

  --radius: 22px;
  --radius-sm: 14px;
  --shadow-sm: 0 1px 2px rgba(10, 16, 51, .06), 0 4px 14px rgba(10, 16, 51, .05);
  --shadow: 0 2px 4px rgba(10, 16, 51, .04), 0 18px 40px -12px rgba(2, 27, 249, .22);
  --shadow-lg: 0 30px 80px -20px rgba(6, 26, 110, .45);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 72px;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3 { color: var(--ink); margin: 0; line-height: 1.1; letter-spacing: -.025em; font-weight: 800; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.ico { width: 1.2em; height: 1.2em; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 3px; border-radius: 6px; }

/* ---------- 3. Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: 14px 24px; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 750; font-size: 16px; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .ico { transition: transform .25s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }
.btn-sm { padding: 10px 18px; font-size: 15px; }
.btn-lg { padding: 17px 28px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px -8px rgba(2, 27, 249, .6); }
.btn-primary:hover { background: var(--blue-600); box-shadow: 0 16px 32px -10px rgba(2, 27, 249, .7); }
.btn-white { background: #fff; color: var(--blue); box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .35); }
.btn-white:hover { color: var(--blue-700); }
.btn-outline-w { color: #fff; border-color: rgba(255, 255, 255, .45); background: rgba(255, 255, 255, .06); }
.btn-outline-w:hover { border-color: #fff; background: rgba(255, 255, 255, .14); }
.btn-outline-w:hover .ico { transform: none; }
.btn[disabled] { opacity: .65; cursor: wait; transform: none; }

/* ---------- 4. Cabecera ---------- */
.top {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.top-in { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { height: 36px; width: auto; transition: filter .3s; filter: brightness(0) invert(1); }
.brand-name { font-weight: 800; font-size: 22px; letter-spacing: .08em; color: #fff; transition: color .3s; }
.top.scrolled .brand-name, .top.menu-open .brand-name { color: var(--ink); }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: rgba(255, 255, 255, .86); text-decoration: none; font-weight: 650; font-size: 15px; padding: 8px 12px; border-radius: 999px; transition: background .2s, color .2s; }
.nav a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.nav .nav-cta-m { display: none; }
.top-cta { background: #fff; color: var(--blue); box-shadow: none; }
.top-cta:hover { background: var(--blue-50); }
.menu-btn { display: none; margin-left: auto; width: 46px; height: 46px; border-radius: 14px; border: 0; background: rgba(255, 255, 255, .14); color: #fff; cursor: pointer; align-items: center; justify-content: center; }
.menu-btn .ico { width: 24px; height: 24px; }

.top.scrolled { background: rgba(255, 255, 255, .88); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); box-shadow: 0 1px 0 var(--line); }
.top.scrolled .brand img { filter: none; }
.top.scrolled .nav a { color: var(--ink-2); }
.top.scrolled .nav a:hover { background: var(--blue-50); color: var(--blue); }
.top.scrolled .top-cta { background: var(--blue); color: #fff; }
.top.scrolled .menu-btn { background: var(--blue-50); color: var(--blue); }

/* ---------- 5. Portada ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: radial-gradient(120% 90% at 85% 10%, #3a50ff 0%, var(--blue) 40%, var(--blue-700) 100%);
  color: #fff; padding: calc(var(--header-h) + 64px) 0 110px;
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1; opacity: .55;
  background-image: linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(80% 70% at 70% 40%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(80% 70% at 70% 40%, #000 30%, transparent 80%);
}
.hero-glow { position: absolute; z-index: -1; width: 620px; height: 620px; right: -120px; top: -80px; border-radius: 50%; background: radial-gradient(circle, rgba(159, 216, 255, .55), transparent 65%); filter: blur(20px); animation: float 12s ease-in-out infinite; }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 12px; border-radius: 999px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22); font-size: 14px; font-weight: 700; letter-spacing: .01em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--sky); box-shadow: 0 0 0 0 rgba(159, 216, 255, .8); animation: ping 2.2s infinite; }
.hero h1 { color: #fff; font-size: clamp(42px, 6.4vw, 78px); line-height: 1.02; letter-spacing: -.04em; margin: 22px 0 22px; text-wrap: balance; }
.hl { background: linear-gradient(90deg, #fff 0%, var(--sky) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: rgba(255, 255, 255, .86); max-width: 540px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-ticks { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; font-size: 15px; font-weight: 650; color: rgba(255, 255, 255, .9); }
.hero-ticks li { display: flex; align-items: center; gap: 8px; }
.hero-ticks .ico { width: 20px; height: 20px; padding: 3px; border-radius: 50%; background: rgba(255, 255, 255, .18); stroke-width: 3; }

/* Maqueta ilustrativa */
.hero-art { position: relative; height: 470px; }
.mock-browser {
  position: absolute; left: 0; right: 40px; top: 20px; border-radius: 18px; overflow: hidden;
  background: #fff; box-shadow: var(--shadow-lg); transform: perspective(1400px) rotateY(-9deg) rotateX(4deg); transform-origin: left center;
  animation: rise 1s var(--ease) both .15s;
}
.mb-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; background: #f1f4fd; border-bottom: 1px solid var(--line); }
.mb-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d3dbf3; }
.mb-bar i:first-child { background: #ff8a8a; } .mb-bar i:nth-child(2) { background: #ffd36b; } .mb-bar i:nth-child(3) { background: #6fe0a0; }
.mb-url { margin-left: 12px; flex: 1; background: #fff; border-radius: 8px; padding: 4px 12px; font-size: 12px; color: var(--muted); font-weight: 600; }
.mb-body { padding: 16px 18px 20px; }
.mb-nav { display: flex; align-items: center; gap: 10px; }
.mb-nav b { width: 54px; height: 12px; border-radius: 6px; background: var(--blue); }
.mb-nav span { width: 34px; height: 7px; border-radius: 4px; background: var(--line); }
.mb-nav span:nth-of-type(1) { margin-left: auto; }
.mb-nav em { width: 56px; height: 20px; border-radius: 999px; background: var(--blue); }
.mb-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; align-items: center; }
.mb-text b { display: block; height: 15px; border-radius: 6px; background: var(--ink); margin-bottom: 8px; }
.mb-text b.s { width: 70%; }
.mb-text span { display: block; height: 7px; border-radius: 4px; background: var(--line); margin-top: 10px; }
.mb-text span.s { width: 80%; }
.mb-btns { display: flex; gap: 8px; margin-top: 16px; }
.mb-btns i { width: 66px; height: 22px; border-radius: 999px; background: var(--blue); }
.mb-btns i.g { background: var(--wa); width: 50px; }
.mb-img { height: 130px; border-radius: 14px; background: linear-gradient(135deg, var(--blue-100), var(--blue-300) 60%, var(--blue)); position: relative; overflow: hidden; }
.mb-img::after { content: ""; position: absolute; width: 70px; height: 70px; border-radius: 50%; right: 18px; top: 16px; background: rgba(255, 255, 255, .55); }
.mb-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.mb-cards i { height: 56px; border-radius: 12px; background: var(--blue-50); border: 1px solid var(--line); }

.mock-phone {
  position: absolute; right: 0; bottom: 6px; width: 168px; height: 330px; border-radius: 30px; padding: 12px;
  background: #fff; border: 6px solid #0b1440; box-shadow: var(--shadow-lg); animation: rise 1s var(--ease) both .35s;
}
.mp-notch { width: 52px; height: 6px; border-radius: 6px; background: #0b1440; margin: 0 auto 12px; }
.mp-img { height: 120px; border-radius: 16px; background: linear-gradient(160deg, var(--blue-300), var(--blue)); }
.mock-phone b { display: block; height: 12px; border-radius: 6px; background: var(--ink); margin: 14px 0 8px; width: 80%; }
.mock-phone span { display: block; height: 6px; border-radius: 4px; background: var(--line); margin-top: 8px; }
.mock-phone span.s { width: 65%; }
.mp-wa { position: absolute; right: 12px; bottom: 14px; width: 40px; height: 40px; border-radius: 50%; background: var(--wa); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 18px -6px rgba(31, 174, 91, .8); animation: pulse 2.6s infinite; }
.mp-wa .ico { width: 22px; height: 22px; }

.chip {
  position: absolute; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 14px;
  background: rgba(255, 255, 255, .96); color: var(--ink); font-size: 13.5px; font-weight: 750; box-shadow: 0 16px 34px -12px rgba(6, 26, 110, .5);
  animation: rise .9s var(--ease) both, bob 6s ease-in-out infinite;
}
.chip .ico { color: var(--blue); width: 18px; height: 18px; }
.chip.c1 { left: -24px; bottom: 74px; animation-delay: .6s, 1s; }
.chip.c2 { right: 120px; top: -4px; animation-delay: .75s, 2s; }
.chip.c2 .ico { color: var(--wa); }
.chip.c3 { right: 150px; bottom: 0; animation-delay: .9s, 3s; }

.scroll-hint { position: absolute; left: 50%; bottom: 28px; translate: -50% 0; width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .5); border-radius: 999px; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: #fff; animation: wheel 1.8s infinite; }

/* ---------- 6. Secciones ---------- */
.sec { padding: clamp(80px, 10vw, 128px) 0; position: relative; }
.sec-tint { background: linear-gradient(180deg, var(--blue-50), #fff); }
.sec-head { max-width: 760px; margin-bottom: 56px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 18px; }
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 3px; background: currentColor; }
.eyebrow-l { color: var(--sky); }
.sec h2 { font-size: clamp(32px, 4.4vw, 52px); text-wrap: balance; }
.hl-b { color: var(--blue); }
.hl-l { color: var(--sky); }
.sub { margin-top: 20px; font-size: clamp(17px, 1.5vw, 19px); color: var(--muted); max-width: 640px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 88px); align-items: start; }
.split-c { align-items: center; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; margin-top: 28px; font-weight: 750; text-decoration: none; }
.link-arrow:hover .ico { transform: translateX(4px); }
.link-arrow .ico { transition: transform .25s var(--ease); }
.note { margin-top: 36px; text-align: center; color: var(--muted); font-size: 15px; }
.note a { font-weight: 700; }

.problems { display: grid; gap: 16px; }
.problems-t { font-weight: 800; color: var(--ink); font-size: 15px; letter-spacing: .02em; }
.problem { display: flex; gap: 18px; padding: 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.problem:hover { transform: translateX(6px); border-color: var(--blue-200); box-shadow: var(--shadow); }
.p-ico { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); flex: none; }
.p-ico .ico { width: 24px; height: 24px; }
.problem h3 { font-size: 18px; letter-spacing: -.01em; margin-bottom: 6px; }
.problem p { font-size: 15.5px; color: var(--muted); }

/* ---------- 7. Servicios ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.svc {
  position: relative; display: flex; flex-direction: column; padding: 32px 28px 28px; border-radius: 26px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.svc::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: linear-gradient(90deg, var(--blue), var(--sky)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.svc:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: var(--blue-200); }
.svc:hover::before { transform: scaleX(1); }
.svc-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 26px; }
.svc-ico { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; background: linear-gradient(140deg, var(--blue-400), var(--blue-700)); color: #fff; box-shadow: 0 12px 24px -10px rgba(2, 27, 249, .7); transition: transform .4s var(--ease); }
.svc:hover .svc-ico { transform: rotate(-6deg) scale(1.06); }
.svc-ico .ico { width: 28px; height: 28px; }
.svc-n { font-size: 44px; font-weight: 800; line-height: 1; color: var(--blue-100); letter-spacing: -.04em; }
.svc h3 { font-size: 23px; margin-bottom: 10px; }
.svc > p { color: var(--muted); font-size: 16px; margin-bottom: 22px; }
.ticks { display: grid; gap: 11px; margin-bottom: 28px; }
.ticks li { position: relative; padding-left: 30px; font-size: 15.5px; font-weight: 600; color: var(--ink-2); line-height: 1.45; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 50%; background: var(--blue-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23021bf9' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.5 4 4L18 8'/%3E%3C/svg%3E") center/13px no-repeat; }
.svc-link { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 750; text-decoration: none; color: var(--blue); }
.svc-link .ico { transition: transform .25s var(--ease); }
.svc-link:hover .ico { transform: translateX(4px); }

.svc-feat { background: linear-gradient(165deg, var(--blue) 0%, var(--blue-700) 100%); border-color: transparent; color: #fff; box-shadow: var(--shadow); }
.svc-feat::before { background: linear-gradient(90deg, #fff, var(--sky)); }
.svc-feat h3 { color: #fff; }
.svc-feat > p { color: rgba(255, 255, 255, .8); }
.svc-feat .svc-ico { background: #fff; color: var(--blue); }
.svc-feat .svc-n { color: rgba(255, 255, 255, .16); }
.svc-feat .ticks li { color: #fff; }
.svc-feat .ticks li::before { background-color: rgba(255, 255, 255, .95); }
.svc-feat .svc-link { color: #fff; }

.extras { margin-top: 28px; display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; padding: 26px 28px; border-radius: var(--radius); border: 2px dashed var(--blue-200); background: rgba(255, 255, 255, .7); }
.extras-ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--blue-100); color: var(--blue); }
.extras-ico .ico { width: 26px; height: 26px; }
.extras h3 { font-size: 19px; margin-bottom: 6px; letter-spacing: -.01em; }
.extras p { font-size: 15.5px; color: var(--muted); }

/* ---------- 8. Negocios ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.biz {
  position: relative; display: flex; flex-direction: column; gap: 10px; padding: 26px 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); text-decoration: none; color: inherit; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.biz::after { content: ""; position: absolute; width: 160px; height: 160px; right: -60px; bottom: -60px; border-radius: 50%; background: radial-gradient(circle, var(--blue-100), transparent 70%); opacity: 0; transition: opacity .4s; }
.biz:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-200); }
.biz:hover::after { opacity: 1; }
.biz-ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); margin-bottom: 6px; transition: background .3s, color .3s, transform .4s var(--ease); }
.biz:hover .biz-ico { background: var(--blue); color: #fff; transform: scale(1.06); }
.biz-ico .ico { width: 26px; height: 26px; }
.biz h3 { font-size: 18.5px; letter-spacing: -.015em; }
.biz p { font-size: 15px; color: var(--muted); position: relative; z-index: 1; }
.biz-any { grid-column: span 2; background: linear-gradient(135deg, var(--ink) 0%, var(--blue-900) 100%); border-color: transparent; }
.biz-any h3 { color: #fff; }
.biz-any p { color: rgba(255, 255, 255, .75); }
.biz-any .biz-ico { background: rgba(255, 255, 255, .12); color: var(--sky); }
.biz-any::after { background: radial-gradient(circle, rgba(2, 27, 249, .6), transparent 70%); width: 260px; height: 260px; opacity: 1; }
.biz-go { margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; gap: 8px; color: #fff; font-weight: 750; font-size: 15.5px; position: relative; z-index: 1; }
.biz-go .ico { transition: transform .25s var(--ease); }
.biz-any:hover .biz-go .ico { transform: translateX(4px); }

/* ---------- 9. Proceso ---------- */
.sec-dark { background: radial-gradient(90% 80% at 10% 0%, #0d1670 0%, var(--ink) 60%); color: rgba(255, 255, 255, .78); overflow: hidden; }
.sec-dark h2 { color: #fff; }
.sec-dark .sub { color: rgba(255, 255, 255, .7); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.step { position: relative; padding: 30px 26px 28px; border-radius: var(--radius); background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .1); transition: background .35s, border-color .35s, transform .35s var(--ease); }
.step:hover { background: rgba(255, 255, 255, .08); border-color: rgba(138, 150, 255, .45); transform: translateY(-4px); }
.step-n { position: absolute; top: 22px; right: 24px; font-size: 56px; font-weight: 800; line-height: 1; color: rgba(255, 255, 255, .07); letter-spacing: -.05em; }
.step-ico { width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; background: var(--blue); color: #fff; margin-bottom: 20px; box-shadow: 0 10px 24px -8px rgba(2, 27, 249, .9); }
.step-ico .ico { width: 24px; height: 24px; }
.step h3 { color: #fff; font-size: 19px; margin-bottom: 8px; letter-spacing: -.01em; }
.step p { font-size: 15.5px; color: rgba(255, 255, 255, .7); }
.step:nth-child(4) .step-ico, .step:nth-child(5) .step-ico { background: #fff; color: var(--blue); }

/* ---------- 10. Diferencia ---------- */
.diff {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
  padding: clamp(36px, 6vw, 72px); border-radius: 34px; color: rgba(255, 255, 255, .86);
  background: radial-gradient(90% 120% at 100% 0%, #4a5dff 0%, var(--blue) 45%, var(--blue-700) 100%);
  box-shadow: var(--shadow-lg);
}
.diff::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .16) 1px, transparent 1.4px); background-size: 22px 22px; mask-image: linear-gradient(120deg, transparent 30%, #000); -webkit-mask-image: linear-gradient(120deg, transparent 30%, #000); pointer-events: none; }
.diff > * { position: relative; }
.diff h2 { color: #fff; font-size: clamp(34px, 4.6vw, 56px); margin-bottom: 20px; }
.diff-copy p { font-size: 18px; margin-bottom: 32px; max-width: 560px; }
.diff-list { display: grid; gap: 14px; }
.diff-list li { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; border-radius: 18px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); backdrop-filter: blur(6px); font-size: 15px; transition: background .3s, transform .3s var(--ease); }
.diff-list li:hover { background: rgba(255, 255, 255, .16); transform: translateX(-4px); }
.diff-list span { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: #fff; color: var(--blue); flex: none; }
.diff-list span .ico { width: 22px; height: 22px; }
.diff-list strong { display: block; color: #fff; font-size: 16.5px; margin-bottom: 2px; }

/* ---------- 11. Mantenimiento ---------- */
.sec-tint .btn { margin-top: 30px; }
.mt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mt { padding: 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s; }
.mt:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.mt:nth-child(2), .mt:nth-child(4) { translate: 0 24px; }
.mt span { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); margin-bottom: 16px; }
.mt span .ico { width: 23px; height: 23px; }
.mt h3 { font-size: 17.5px; margin-bottom: 6px; letter-spacing: -.01em; }
.mt p { font-size: 15px; color: var(--muted); }

/* ---------- 12. FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.faq-wrap .sec-head { position: sticky; top: calc(var(--header-h) + 30px); margin: 0; }
.faq { display: grid; gap: 12px; }
.faq details { border-radius: 18px; background: #fff; border: 1px solid var(--line); transition: border-color .3s, box-shadow .3s, background .3s; }
.faq details[open] { border-color: var(--blue-200); box-shadow: var(--shadow-sm); background: var(--blue-50); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 22px; font-weight: 750; font-size: 17px; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { width: 30px; height: 30px; padding: 6px; border-radius: 50%; background: var(--blue-50); color: var(--blue); transition: transform .35s var(--ease), background .3s, color .3s; }
.faq details[open] summary .ico { transform: rotate(45deg); background: var(--blue); color: #fff; }
.faq-a { padding: 0 22px 22px; color: var(--muted); font-size: 16px; }

/* ---------- 13. Contacto ---------- */
.sec-contact { background: radial-gradient(100% 90% at 0% 100%, var(--blue-700) 0%, var(--ink) 65%); color: rgba(255, 255, 255, .8); overflow: hidden; }
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.contact h2 { color: #fff; margin-bottom: 18px; }
.contact-copy > p { font-size: 18px; max-width: 460px; }
.contact-ways { display: grid; gap: 14px; margin-top: 32px; max-width: 440px; }
.way { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border-radius: 18px; text-decoration: none; color: #fff; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); transition: background .3s, transform .3s var(--ease), border-color .3s; }
.way:hover { background: rgba(255, 255, 255, .13); border-color: rgba(255, 255, 255, .3); transform: translateX(4px); }
.way > span { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(140deg, #f58529, #dd2a7b 50%, #8134af); flex: none; }
.way-wa > span { background: var(--wa); }
.way-tel > span { background: var(--blue); }
.way > span .ico { width: 24px; height: 24px; }
.way strong { display: block; font-size: 17px; }
.way small { color: rgba(255, 255, 255, .65); font-size: 14px; }
.way-go { margin-left: auto; opacity: .7; }

.form { background: #fff; color: var(--ink-2); border-radius: 28px; padding: clamp(26px, 4vw, 40px); box-shadow: var(--shadow-lg); }
.form h3 { font-size: 24px; }
.form-sub { color: var(--muted); font-size: 15px; margin: 6px 0 24px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 14px; font-weight: 700; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 16px; color: var(--ink); width: 100%; padding: 13px 15px; border-radius: 13px;
  border: 1.5px solid var(--line); background: #fbfcff; transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; background: #fbfcff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6488' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 14px center/18px no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px var(--blue-100); }
.field.invalid input, .field.invalid textarea { border-color: #e0405a; }
.err { font-size: 13px; color: #c62842; font-weight: 600; min-height: 0; }
.err:empty { display: none; }
.check { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 10px; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--blue); flex: none; }
.check label { flex: 1; font-weight: 500; color: var(--muted); }
.check .err { flex-basis: 100%; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.status:empty { display: none; }
.status { margin-top: 16px; }
.status-box { padding: 16px 18px; border-radius: 14px; background: var(--blue-50); border: 1px solid var(--blue-200); font-size: 15px; color: var(--ink-2); }
.status-box strong { display: block; color: var(--ink); margin-bottom: 4px; }
.status-box.ok { background: #ecfbf2; border-color: #a6e6c2; }
.status-box.err { background: #fff1f3; border-color: #f6b9c4; }
.status-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.status-actions .btn { padding: 11px 18px; font-size: 15px; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--blue-200); }

/* ---------- 14. Pie y barra móvil ---------- */
.foot { background: #060b26; color: rgba(255, 255, 255, .6); padding: 48px 0 40px; font-size: 14.5px; }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; }
.foot-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 19px; letter-spacing: .08em; }
.foot-brand img { height: 30px; width: auto; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-left: auto; }
.foot-links a { color: rgba(255, 255, 255, .75); text-decoration: none; }
.foot-links a:hover { color: #fff; text-decoration: underline; }
.copy { flex-basis: 100%; color: rgba(255, 255, 255, .4); font-size: 13px; }

.fab { position: fixed; right: 24px; bottom: 24px; z-index: 40; width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; background: var(--wa); color: #fff; box-shadow: 0 14px 30px -8px rgba(31, 174, 91, .7); transition: transform .3s var(--ease), opacity .3s; animation: pulse 2.8s infinite 3s; }
.fab:hover { transform: scale(1.08); }
.fab .ico { width: 30px; height: 30px; }
.mbar { display: none; }
[hidden] { display: none !important; }

/* ---------- 15. Animaciones ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .mt.reveal.in:nth-child(2), .js .mt.reveal.in:nth-child(4) { transform: none; }
@keyframes rise { from { opacity: 0; translate: 0 30px; } to { opacity: 1; translate: 0 0; } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-30px, 30px); } }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(159, 216, 255, .8); } 80%, 100% { box-shadow: 0 0 0 10px rgba(159, 216, 255, 0); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(31, 174, 91, .55); } 70%, 100% { box-shadow: 0 0 0 16px rgba(31, 174, 91, 0); } }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- 16. Responsive ---------- */
@media (max-width: 1080px) {
  .nav a { padding: 8px 9px; font-size: 14.5px; }
  .biz-grid { grid-template-columns: repeat(3, 1fr); }
  .biz-any { grid-column: span 2; }
}
@media (max-width: 980px) {
  :root { --header-h: 66px; }
  .menu-btn { display: inline-flex; }
  .top-cta { display: none; }
  .nav {
    position: fixed; left: 12px; right: 12px; top: calc(var(--header-h) + 4px); flex-direction: column; gap: 2px; padding: 12px;
    background: #fff; border-radius: 22px; box-shadow: var(--shadow-lg); border: 1px solid var(--line);
    opacity: 0; visibility: hidden; transform: translateY(-10px) scale(.98); transform-origin: top; transition: opacity .25s, transform .3s var(--ease), visibility .25s;
  }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav a, .top.scrolled .nav a { color: var(--ink); font-size: 17px; padding: 14px 16px; border-radius: 14px; }
  .nav a:hover { background: var(--blue-50); color: var(--blue); }
  .nav .nav-cta-m { display: block; margin-top: 6px; text-align: center; background: var(--blue); color: #fff !important; }
  .top.menu-open { background: #fff; box-shadow: 0 1px 0 var(--line); }
  .top.menu-open .brand img { filter: none; }
  .top.menu-open .menu-btn { background: var(--blue-50); color: var(--blue); }

  .hero { padding: calc(var(--header-h) + 40px) 0 90px; }
  .hero-in { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { height: 400px; max-width: 560px; width: 100%; margin-inline: auto; }
  .split, .faq-wrap, .contact, .diff { grid-template-columns: 1fr; }
  .faq-wrap .sec-head { position: static; }
  .svc-grid { grid-template-columns: 1fr; max-width: 620px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .extras { grid-template-columns: auto 1fr; }
  .extras .btn { grid-column: 1 / -1; justify-self: start; }
  .scroll-hint { display: none; }
}
@media (max-width: 720px) {
  body { font-size: 16px; padding-bottom: 76px; }
  .wrap { width: calc(100% - 32px); }
  .brand img { height: 32px; }
  .brand-name { font-size: 20px; }
  .hero { padding-bottom: 70px; }
  .hero h1 { font-size: clamp(40px, 11.5vw, 56px); }
  .hero-ctas .btn { width: 100%; }
  .hero-art { height: 330px; }
  .mock-browser { right: 56px; transform: none; }
  .mb-body { padding: 12px 12px 14px; }
  .mb-img { height: 92px; }
  .mb-cards i { height: 40px; }
  .mock-phone { width: 128px; height: 252px; border-width: 5px; border-radius: 26px; padding: 10px; }
  .mp-img { height: 84px; }
  .mp-wa { width: 34px; height: 34px; }
  .chip { font-size: 12px; padding: 8px 11px; }
  .chip.c1 { left: -6px; bottom: 56px; }
  .chip.c2 { right: 70px; top: -14px; }
  .chip.c3 { right: 96px; bottom: -6px; }
  .sec-head { margin-bottom: 40px; }
  .biz-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .biz { padding: 20px 18px; }
  .biz p { font-size: 14px; }
  .biz h3 { font-size: 16.5px; }
  .steps { grid-template-columns: 1fr; }
  .mt-grid { grid-template-columns: 1fr; }
  .mt:nth-child(2), .mt:nth-child(4) { translate: none; }
  .row { grid-template-columns: 1fr; }
  .extras { grid-template-columns: 1fr; padding: 22px; }
  .extras .btn { width: 100%; }
  .diff { border-radius: 26px; }
  .foot-links { margin-left: 0; }

  .fab { display: none; }
  .mbar {
    display: flex; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--line);
    transform: translateY(110%); transition: transform .35s var(--ease);
  }
  .mbar.show { transform: none; }
  .mbar a { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; height: 50px; border-radius: 14px; font-weight: 800; font-size: 15.5px; text-decoration: none; }
  .mbar-wa { background: var(--wa); color: #fff; }
  .mbar-wa .ico { width: 22px; height: 22px; }
  .mbar-wa.mbar-tel { background: var(--ink); }
  .mbar-cta { background: var(--blue); color: #fff; }
}
@media (max-width: 400px) {
  .chip.c2 { right: 40px; }
}
@media (max-width: 340px) {
  .biz-grid { grid-template-columns: 1fr; }
  .biz-any { grid-column: auto; }
  .chip.c3 { display: none; }
}