/* SELF-HOSTED FONTS — OFL licensed, zero external dependency */
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('fonts/inter-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Sora';font-style:normal;font-weight:400 800;font-display:swap;
  src:url('fonts/sora-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Sora';font-style:normal;font-weight:400 800;font-display:swap;
  src:url('fonts/sora-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#1a0b33; --ink-soft:#4a3a66; --muted:#7c6f93;
  --indigo:#330E69; --violet:#721EE7; --violet-2:#9b5cff; --violet-3:#c9a8ff;
  --bg:#faf7ff; --bg-2:#f3edff; --white:#ffffff;
  --line:rgba(51,14,105,.10); --line-2:rgba(51,14,105,.06);
  --good:#16b07a; --good-glow:rgba(46,229,157,.55);
  --indigo-dark:#1f0845;
  --radius:24px; --radius-lg:32px; --max:1200px;
  --shadow-sm:0 8px 30px rgba(51,14,105,.08);
  --shadow:0 30px 80px rgba(51,14,105,.14);
  --shadow-violet:0 24px 60px rgba(114,30,231,.28);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Sora','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 14px;border-radius:10px;z-index:999}
.skip-link:focus{left:14px}

/* AURORA */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;mix-blend-mode:multiply}
.aurora .a1{width:48vw;height:48vw;left:-10vw;top:-12vw;background:radial-gradient(circle,#b48bff,transparent 62%);animation:drift1 22s ease-in-out infinite}
.aurora .a2{width:42vw;height:42vw;right:-8vw;top:8vw;background:radial-gradient(circle,#d9b8ff,transparent 62%);animation:drift2 26s ease-in-out infinite}
.aurora .a3{width:40vw;height:40vw;left:30vw;top:60vh;background:radial-gradient(circle,#c5a0ff,transparent 64%);animation:drift3 30s ease-in-out infinite}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(8vw,6vh) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-6vw,8vh) scale(1.08)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-5vw,-7vh) scale(1.15)}}

/* HEADER */
.site-header{position:sticky;top:0;z-index:50}
.nav-shell{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:rgba(255,255,255,.7);backdrop-filter:blur(20px);border:1px solid var(--line);
  border-radius:999px;padding:10px 12px 10px 22px;box-shadow:var(--shadow-sm);transition:box-shadow .3s}
.brand{display:flex;align-items:center}
.brand img{height:30px;width:auto;display:block}
.primary-nav{display:flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600}
.primary-nav>a:not(.nav-cta){padding:9px 14px;border-radius:999px;color:var(--ink-soft);transition:.2s}
.primary-nav>a:not(.nav-cta):hover{color:var(--violet);background:rgba(114,30,231,.07)}
.nav-cta{padding:12px 22px;border-radius:999px;background:var(--indigo);color:#fff;font-weight:600;
  box-shadow:0 12px 28px rgba(51,14,105,.24);transition:.25s}
.nav-cta:hover{background:var(--violet);transform:translateY(-2px);box-shadow:var(--shadow-violet)}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--indigo);margin:5px auto;border-radius:9px;transition:.3s}
.lang-switch{display:inline-flex;align-items:center;gap:2px;margin-left:6px;padding:4px;border-radius:999px;
  background:rgba(51,14,105,.06);border:1px solid var(--line);cursor:pointer;font-family:var(--font);line-height:1}
.lang-switch .lg{display:inline-flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
  color:var(--muted);background:transparent;text-decoration:none;border:0;padding:4px 9px;border-radius:999px;transition:.2s;line-height:1}
.lang-switch .lg:hover{color:var(--violet)}
.lang-switch .lg.active{background:var(--indigo);color:#fff}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:9px;justify-content:center;min-height:52px;padding:15px 26px;
  border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.25s;font-family:var(--font)}
.btn-primary{background:linear-gradient(120deg,var(--violet),var(--indigo));color:#fff;box-shadow:var(--shadow-violet)}
.btn-primary:hover{transform:translateY(-3px) scale(1.01);box-shadow:0 30px 70px rgba(114,30,231,.4)}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--indigo);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
.btn .arrow{transition:transform .25s}
.btn:hover .arrow{transform:translateX(4px)}

/* HERO */
.hero{position:relative;padding:90px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
@keyframes livedot{0%{box-shadow:0 0 0 0 rgba(22,176,122,.5)}70%{box-shadow:0 0 0 9px rgba(22,176,122,0)}100%{box-shadow:0 0 0 0 rgba(22,176,122,0)}}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(40px,5.6vw,70px);line-height:1.04;letter-spacing:-.045em;margin:24px 0 0}
.hero h1 .grad{background:linear-gradient(110deg,var(--violet),var(--violet-2) 60%,var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:19px;color:var(--ink-soft);max-width:560px;margin:26px 0 0}
.hero-tag{display:inline-block;margin-top:18px;font-family:var(--display);font-weight:700;font-size:17px;color:var(--violet)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-stats .s strong{font-family:var(--display);font-size:30px;font-weight:800;letter-spacing:-.04em;display:block;color:var(--indigo)}
.hero-stats .s span{font-size:13.5px;color:var(--muted);font-weight:500}

.hero-visual{position:relative;perspective:1600px}
.live-card{background:rgba(255,255,255,.82);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.9);
  border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transform:rotateY(-7deg) rotateX(3deg);
  transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.hero-visual:hover .live-card{transform:rotateY(0deg) rotateX(0deg)}
.lc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.lc-head .title{font-family:var(--display);font-weight:700;font-size:14px;color:var(--indigo);display:flex;align-items:center;gap:8px}
.lc-head .title .d{width:9px;height:9px;border-radius:50%;background:var(--violet)}
.lc-head .badge{font-size:11px;font-weight:700;color:var(--good);background:rgba(22,176,122,.12);padding:5px 10px;border-radius:999px;display:flex;align-items:center;gap:6px}
.lc-head .badge i{width:6px;height:6px;border-radius:50%;background:var(--good);animation:livedot 1.6s infinite}
.flow-list{display:grid;gap:10px}
.flow-row{display:grid;grid-template-columns:14px 1fr auto;gap:12px;align-items:center;padding:13px 15px;
  border-radius:16px;background:#fff;border:1px solid var(--line-2);opacity:.45;transform:translateX(-6px);transition:.5s}
.flow-row.on{opacity:1;transform:none;border-color:rgba(114,30,231,.3);box-shadow:0 10px 24px rgba(114,30,231,.1)}
.flow-row .rd{width:9px;height:9px;border-radius:50%;background:rgba(114,30,231,.25);transition:.4s}
.flow-row.on .rd{background:var(--good);box-shadow:0 0 0 4px rgba(22,176,122,.16)}
.flow-row .lbl{font-weight:600;font-size:14px}
.flow-row .st{font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px;background:rgba(51,14,105,.06);color:var(--muted)}
.flow-row.on .st{background:rgba(22,176,122,.14);color:var(--good)}
.lc-foot{margin-top:18px;padding:16px;border-radius:18px;background:linear-gradient(120deg,var(--indigo),var(--violet));color:#fff}
.lc-foot .row{display:flex;justify-content:space-between;align-items:center;font-size:13px;opacity:.9}
.lc-foot strong{font-family:var(--display);font-size:24px;font-weight:800;display:inline-flex;align-items:center;gap:9px}
.hdot{width:9px;height:9px;border-radius:50%;background:var(--good);box-shadow:0 0 0 0 rgba(46,229,157,.6);animation:hbeat 1.6s ease-in-out infinite}
@keyframes hbeat{0%,100%{box-shadow:0 0 0 0 rgba(46,229,157,.55);transform:scale(1)}50%{box-shadow:0 0 0 7px rgba(46,229,157,0);transform:scale(1.18)}}
.ekg{width:100%;height:30px;margin-top:10px;overflow:visible}
.ekg-base{fill:none;stroke:rgba(255,255,255,.28);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ekg-run{fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 0 5px rgba(255,255,255,.7));stroke-dasharray:46 600;stroke-dashoffset:600;animation:ekg 2.2s linear infinite}
@keyframes ekg{from{stroke-dashoffset:600}to{stroke-dashoffset:0}}

/* MARQUEE */
.proof{padding:30px 0 10px;text-align:center}
.proof p{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;margin-bottom:22px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;align-items:center;gap:54px;width:max-content;animation:scroll 34s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track img{height:34px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.55;transition:.3s}
.marquee-track img:hover{filter:none;opacity:1}
@keyframes scroll{to{transform:translateX(-50%)}}

/* SECTION SHELL */
.sec{padding:100px 0}
.sec.surface{background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,.32))}
.sec-head{max-width:780px}
.sec-head.center{margin-inline:auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--violet);text-transform:uppercase;letter-spacing:.1em}
.kicker::before{content:"";width:22px;height:1px;background:var(--violet)}
.sec-head.center .kicker::before{display:none}
/* on-dark: kicker placed over dark/gradient backgrounds (cases, cta-card) */
.kicker.on-dark{color:var(--violet-3)}
.kicker.on-dark::before{background:var(--violet)}
/* lead-light: body text over dark backgrounds — selector reforzado para ganar a .sec-head p (--ink-soft) en la cascada */
.sec-head p.lead-light,.lead-light{color:rgba(255,255,255,.78)}
h2{font-family:var(--display);font-weight:800;font-size:clamp(30px,4.2vw,50px);line-height:1.06;letter-spacing:-.04em;margin:16px 0 0}
h2 .grad{background:linear-gradient(110deg,var(--violet),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{font-size:18px;color:var(--ink-soft);margin-top:18px}

/* PROBLEM */
.prob-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px}
.prob{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s;position:relative;overflow:hidden}
.prob::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(114,30,231,.08),transparent 60%);opacity:0;transition:.3s}
.prob:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(114,30,231,.3)}
.prob:hover::after{opacity:1}
.prob .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#efe6ff,#fff);margin-bottom:18px;font-size:20px}
.prob h3{font-family:var(--display);font-size:17px;font-weight:700;letter-spacing:-.02em;position:relative;z-index:1}
.prob p{font-size:14px;color:var(--muted);margin-top:8px;position:relative;z-index:1}

/* INFRA INTERACTIVE FLOW */
.infra{padding:84px 0;background:linear-gradient(180deg,transparent,rgba(243,237,255,.7) 26%,rgba(243,237,255,.7) 74%,transparent)}
.ind-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:36px}
.ind-pill{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px;
  background:rgba(255,255,255,.8);border:1px solid var(--line);color:var(--ink-soft);cursor:pointer;transition:.22s;font-family:var(--font)}
.ind-pill:hover{border-color:rgba(114,30,231,.4);color:var(--violet);transform:translateY(-2px)}
.ind-pill.active{background:linear-gradient(120deg,var(--violet),var(--indigo));color:#fff;border-color:transparent;box-shadow:var(--shadow-violet)}
.infra-wrap{margin-top:24px;background:rgba(255,255,255,.62);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:14px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.infra-stage{position:relative;width:100%;aspect-ratio:5/2;min-height:340px;max-height:440px}
#flowSvg{position:absolute;inset:0;width:100%;height:100%}
.zone-in,.zone-out{display:contents}  /* escritorio: transparentes; en móvil se vuelven zonas */
.m-conv{display:none}
.flow-path{fill:none;stroke:url(#g-line);stroke-width:1.8;opacity:.42}
.flow-path.out{stroke:url(#g-out)}
.flow-dash{fill:none;stroke:url(#g-line);stroke-width:2.8;stroke-linecap:round;opacity:.95}
.flow-dash.out{stroke:url(#g-out)}
.node{position:absolute;transform:translate(-50%,-50%);background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px 16px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:11px;font-weight:600;font-size:14px;
  white-space:nowrap;z-index:2;transition:transform .3s,box-shadow .3s,border-color .3s}
.node:hover{transform:translate(-50%,-50%) scale(1.05);box-shadow:0 18px 40px rgba(114,30,231,.22);border-color:rgba(114,30,231,.4);z-index:5}
.node .ni{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:18px;flex:none;
  background:linear-gradient(135deg,#efe6ff,#fff)}
.node small{display:block;font-size:11px;color:var(--muted);font-weight:500}
.node .nt{transition:opacity .35s,transform .35s}
.node.swap .nt{opacity:0;transform:translateY(4px)}
.node-core{position:absolute;transform:translate(-50%,-50%);background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;
  border:none;padding:24px 34px;border-radius:24px;box-shadow:0 30px 70px rgba(114,30,231,.4);text-align:center;z-index:6;
  display:block;animation:corePulse 3.4s ease-in-out infinite}
.node-core:hover{transform:translate(-50%,-50%) scale(1.04)}
@keyframes corePulse{0%,100%{box-shadow:0 30px 70px rgba(114,30,231,.4)}50%{box-shadow:0 30px 90px rgba(114,30,231,.62)}}
.node-core .logo{height:30px;width:auto;display:block;margin:0 auto}
.node-core span{display:block;font-size:10.5px;text-transform:uppercase;letter-spacing:.14em;opacity:.82;margin-top:4px}
.node-core .ring{position:absolute;inset:-10px;border:1.5px solid rgba(255,255,255,.4);border-radius:30px;animation:ring 3.4s ease-out infinite}
@keyframes ring{0%{transform:scale(.92);opacity:.7}100%{transform:scale(1.28);opacity:0}}
/* puertos de conexión */
.node-core::before,.node-core::after{content:"";position:absolute;top:50%;width:14px;height:14px;border-radius:50%;
  background:#fff;transform:translateY(-50%);z-index:8;box-shadow:0 0 0 5px rgba(155,92,255,.28),0 0 14px rgba(255,255,255,.6);
  animation:port 2.2s ease-in-out infinite}
.node-core::before{left:-7px}.node-core::after{right:-7px}
@keyframes port{0%,100%{box-shadow:0 0 0 5px rgba(155,92,255,.28),0 0 14px rgba(255,255,255,.6)}50%{box-shadow:0 0 0 9px rgba(155,92,255,.08),0 0 20px rgba(255,255,255,.9)}}
/* node positions — moved from inline style to avoid unsafe-inline CSP */
.node-core{left:50%;top:50%}
#nL0{left:17%;top:11%}#nL1{left:15%;top:37%}#nL2{left:15%;top:63%}#nL3{left:17%;top:89%}
#nR0{left:83%;top:19%}#nR1{left:85%;top:50%}#nR2{left:83%;top:81%}
.infra-legend{display:flex;gap:26px;flex-wrap:wrap;justify-content:center;margin-top:20px;font-size:13.5px;color:var(--muted)}
.infra-legend b{color:var(--ink)}
.infra-caption{text-align:center;margin-top:14px;font-size:14px;color:var(--ink-soft)}
.infra-caption b{color:var(--violet);font-weight:700}

/* MODULES (5 capas — una sola línea, compactas) */
.mods{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:46px}
.mod{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:18px;
  padding:22px 18px;transition:.35s;position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:212px}
.mod:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;
  background:linear-gradient(165deg,var(--indigo),var(--indigo-dark));color:#fff}
.mod h3{font-family:var(--display);font-size:15.5px;font-weight:700;letter-spacing:-.02em;margin:13px 0 7px;line-height:1.22}
.mod p{font-size:12.5px;color:var(--muted);transition:color .35s;line-height:1.5}
.mod:hover p{color:rgba(255,255,255,.86)}
/* TAX DESIGN — banda diferenciadora */
.taxdesign{margin-top:34px;background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;border-radius:var(--radius-lg);
  padding:48px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;box-shadow:var(--shadow-violet);position:relative;overflow:hidden}
.taxdesign::before{content:"";position:absolute;width:460px;height:460px;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 60%);pointer-events:none}
.td-left{position:relative;z-index:1}
.td-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;font-size:12.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.1em;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff}
.taxdesign h3{font-family:var(--display);font-weight:800;font-size:clamp(38px,5.4vw,60px);letter-spacing:-.045em;margin:18px 0 14px;line-height:1}
.taxdesign p{font-size:16.5px;color:rgba(255,255,255,.86)}
.td-points{position:relative;z-index:1;display:grid;gap:13px}
.tdp{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:16px 20px;transition:.25s}
.tdp:hover{background:rgba(255,255,255,.16);transform:translateX(4px)}
.tdp b{display:block;font-family:var(--display);font-weight:700;font-size:16px}
.tdp span{font-size:13.5px;color:rgba(255,255,255,.72)}
.capas-sub{text-align:center;margin-top:40px;font-family:var(--display);font-weight:700;font-size:clamp(18px,2.2vw,24px);letter-spacing:-.02em;color:var(--ink)}
.mod .ic{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,#efe6ff,#fff);transition:background .35s}
.mod:hover .ic{background:rgba(255,255,255,.12)}

/* CAPAS · acordeón + panel animado */
.md{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:start;margin-top:30px}
.md-list{display:grid;gap:10px;list-style:none;padding:0;margin:0}
.md-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);cursor:pointer;transition:.25s;text-align:left;font-family:var(--font);width:100%}
.md-item:hover{border-color:rgba(114,30,231,.35);transform:translateX(4px)}
.md-item.active{background:linear-gradient(135deg,var(--indigo),var(--violet));border-color:transparent;color:#fff;box-shadow:0 18px 42px rgba(114,30,231,.3);transform:translateX(4px)}
.md-item .mic{width:46px;height:46px;flex:none;border-radius:13px;display:grid;place-items:center;color:var(--violet);background:linear-gradient(135deg,#efe6ff,#fff);transition:.25s}
.md-item.active .mic{background:rgba(255,255,255,.16);color:#fff}
.md-item .mic svg{width:23px;height:23px}
.md-item .md-label{font-family:var(--display);font-size:15.5px;font-weight:700;letter-spacing:-.02em}
.md-panel{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px;min-height:330px;box-shadow:0 22px 55px rgba(51,14,105,.1);overflow:hidden}
.md-panel::before{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;background:radial-gradient(circle,rgba(155,92,255,.16),transparent 65%);pointer-events:none}
.md-inner{position:relative}
.md-inner .pic{width:74px;height:74px;border-radius:20px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--indigo),var(--violet));box-shadow:0 16px 36px rgba(114,30,231,.32);margin-bottom:24px}
.md-inner .pic svg{width:37px;height:37px}
.md-inner h3{font-family:var(--display);font-size:27px;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.md-inner p{font-size:16px;color:var(--ink-soft);margin-top:14px;line-height:1.6}
.md-anim{animation:panelIn .42s cubic-bezier(.2,.7,.2,1)}
@keyframes panelIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.md-anim .pic{animation:picIn .5s cubic-bezier(.2,.7,.2,1)}
@keyframes picIn{from{opacity:0;transform:scale(.8) rotate(-8deg)}to{opacity:1;transform:none}}
/* validation card */
.pstage{position:relative;height:220px;margin-top:18px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,#faf7ff,#fff);overflow:hidden;padding:16px}
.av{display:grid;gap:7px;align-content:center;height:100%}
.vrow{display:grid;grid-template-columns:108px 1fr 22px;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 11px;font-size:12px;transition:border-color .3s}
.vrow.ok{border-color:rgba(22,176,122,.5)}
.vrow.warn{border-color:rgba(214,138,0,.55)}
.vk{font-family:var(--display);font-weight:700;color:var(--violet);font-size:11px}
.vv{font-family:ui-monospace,monospace;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s}
.vv.load{color:var(--violet-2);font-style:italic}
.vc{width:22px;height:22px;border-radius:50%;position:relative;justify-self:end;transition:.2s}
.vc.load{border:2px solid rgba(114,30,231,.25);border-top-color:var(--violet);animation:vcSpin .7s linear infinite}
.vc.ok{background:var(--good)}
.vc.ok::after{content:"";position:absolute;left:8px;top:5px;width:5px;height:9px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
.vc.warn{background:#d68a00;display:grid;place-items:center}
.vc.warn::after{content:"!";color:#fff;font-weight:800;font-size:13px;line-height:1}
@keyframes vcSpin{to{transform:rotate(360deg)}}
.vstatus2{margin-top:8px;height:26px}
.vbadge{display:inline-block;font-size:11.5px;font-weight:700;padding:5px 13px;border-radius:999px;background:rgba(114,30,231,.12);color:var(--violet);opacity:0;transform:translateY(5px);transition:.35s}
.vbadge.show{opacity:1;transform:none}
.vbadge.g{background:rgba(22,176,122,.16);color:var(--good)}
.vbadge.a{background:rgba(214,138,0,.16);color:#b67400;font-size:11px}
/* emission panel */
.em{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;height:100%}
.emcore{display:grid;place-items:center;gap:5px;width:90px;height:90px;border-radius:18px;color:#fff;font-family:var(--display);font-weight:800;font-size:12px;background:linear-gradient(135deg,var(--indigo),var(--violet));box-shadow:0 12px 28px rgba(114,30,231,.3)}
.emcore .ic svg{width:26px;height:26px}
.emrows{display:grid;gap:9px}
.emrow{position:relative;display:flex;justify-content:flex-end;align-items:center;height:30px}
.emtg{font-size:12px;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 11px;z-index:1;transition:opacity .25s}
.emrow.auth .emtg{border-color:rgba(114,30,231,.45);color:var(--violet);font-weight:700}
.empkt{position:absolute;left:0;top:50%;width:16px;height:11px;border-radius:2px;background:var(--violet-2);transform:translateY(-50%);box-shadow:0 0 0 2px #fff;animation:empkt 2.6s infinite;animation-delay:var(--d)}
@keyframes empkt{0%{left:-2px;opacity:0}12%{opacity:1}82%{opacity:1;left:calc(100% - 82px)}100%{left:calc(100% - 82px);opacity:0}}
/* suppliers panel */
.mt{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}
.mrow{display:flex;align-items:center;gap:12px}
.mdoc{width:120px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;font-family:var(--display);font-weight:700;font-size:13px;text-align:center;box-shadow:var(--shadow-sm)}
.mdoc small{display:block;font-family:var(--font);font-weight:600;color:var(--muted);margin-top:4px}
.mt .oc{animation:slideR .6s cubic-bezier(.2,.7,.2,1) forwards}
.mt .fc{animation:slideL .6s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes slideR{from{transform:translateX(-44px);opacity:0}to{transform:none;opacity:1}}
@keyframes slideL{from{transform:translateX(44px);opacity:0}to{transform:none;opacity:1}}
.mchk{flex:none;width:40px;height:40px;border-radius:50%;background:var(--good);position:relative;opacity:0;transform:scale(.3);box-shadow:0 8px 22px rgba(22,176,122,.45);animation:mchkAnim .5s cubic-bezier(.2,.9,.3,1.5) .55s forwards}
.mchk::after{content:"";position:absolute;left:15px;top:9px;width:8px;height:15px;border:3px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
@keyframes mchkAnim{from{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}
.mpaid{background:var(--good);color:#fff;font-weight:700;font-size:12px;padding:8px 16px;border-radius:999px;opacity:0;transform:translateY(10px);animation:mpaidAnim .45s ease 1.05s forwards}
@keyframes mpaidAnim{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
/* reconciliation panel */
.cc{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;height:100%}
.csrcs{display:grid;gap:8px}
.csrc{position:relative;font-size:12px;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 28px 8px 12px;overflow:hidden;animation:csact 3.8s infinite;animation-delay:var(--d)}
@keyframes csact{0%,8%{border-color:var(--line);box-shadow:none}18%,55%{border-color:rgba(114,30,231,.45);box-shadow:0 4px 14px rgba(114,30,231,.14)}66%,100%{border-color:var(--line);box-shadow:none}}
.csrc::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(114,30,231,.14),transparent);transform:translateX(-100%);animation:csweep 3.8s infinite;animation-delay:var(--d)}
@keyframes csweep{0%,8%{transform:translateX(-100%)}55%{transform:translateX(100%)}100%{transform:translateX(100%)}}
.cdot{position:absolute;top:50%;left:0;width:9px;height:9px;border-radius:50%;background:var(--violet-2);transform:translateY(-50%);box-shadow:0 0 9px var(--violet-2);z-index:1;animation:cdotAnim 3.8s infinite;animation-delay:var(--d)}
@keyframes cdotAnim{0%{left:-2px;opacity:0}12%{opacity:1}58%{left:calc(100% - 14px);opacity:1}66%,100%{opacity:0}}
.cc-right{display:grid;place-items:center}
.ccore2{width:140px;text-align:center;background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;border-radius:14px;padding:16px 12px;font-family:var(--display);font-weight:700;font-size:13px;box-shadow:0 14px 30px rgba(114,30,231,.3)}
.cok{display:block;margin-top:8px;font-size:11px;background:rgba(255,255,255,.2);border-radius:999px;padding:3px 8px;opacity:0;animation:cokAnim 3.8s infinite}
@keyframes cokAnim{0%,62%{opacity:0}74%,100%{opacity:1}}
/* audit panel */
.au{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;height:100%}
.adoc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow-sm)}
.adoc b{font-family:var(--display);font-size:13px}
.alines{display:grid;gap:6px;margin-top:10px}
.aln{height:6px;border-radius:3px;background:#eee;overflow:hidden;position:relative}
.aln i{position:absolute;inset:0;background:var(--violet-2);transform:scaleX(0);transform-origin:left;animation:alnAnim 4s infinite;animation-delay:var(--d)}
@keyframes alnAnim{0%,6%{transform:scaleX(0)}26%,100%{transform:scaleX(1)}}
.aarrow{font-size:24px;color:var(--violet);opacity:.3;animation:aarrAnim 4s infinite}
@keyframes aarrAnim{0%,42%{opacity:.25;transform:translateX(0)}56%{opacity:1;transform:translateX(5px)}72%,100%{opacity:.25;transform:translateX(0)}}
.aauth{position:relative;display:grid;place-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--violet)}
.aauth .ic svg{width:28px;height:28px}
.aauth b{font-family:var(--font);font-size:11px;color:var(--ink)}
.achk{width:22px;height:22px;border-radius:50%;background:var(--good);position:relative;opacity:0;transform:scale(.4);animation:achkAnim 4s infinite}
.achk::after{content:"";position:absolute;left:7px;top:5px;width:5px;height:10px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
@keyframes achkAnim{0%,72%{opacity:0;transform:scale(.4)}84%,100%{opacity:1;transform:scale(1)}}
/* responsive: accordion — collapsa solo en móvil (≤680px), tablet mantiene 2 col + sticky */
@media(max-width:680px){
  .md{grid-template-columns:1fr}
  .md-panel{position:static}
}

/* COMPARISON */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:50px}
.comp{border-radius:var(--radius);padding:32px;border:1px solid var(--line)}
.comp.old{background:rgba(255,255,255,.6)}
.comp.new{background:linear-gradient(160deg,var(--indigo),var(--violet));color:#fff;box-shadow:var(--shadow-violet)}
.comp h3{font-family:var(--display);font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:18px}
.comp.old h3{color:var(--muted)}
.comp-logo{height:26px;width:auto;display:block}
.comp ul{list-style:none;display:grid;gap:13px}
.comp li{font-size:15px;display:flex;gap:11px;align-items:flex-start}
.comp.old li{color:var(--ink-soft)}
.comp li .m{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800}
.comp.old li .m{background:rgba(51,14,105,.08);color:var(--muted)}
.comp.new li .m{background:rgba(255,255,255,.18);color:#fff}

/* INDUSTRIES (dark band) */
/* --cases-end is deeper than --indigo-dark (#1f0845) to match design reference */
:root{--cases-end:#180632}
.cases{background:linear-gradient(160deg,var(--indigo),var(--cases-end));color:#fff;border-radius:var(--radius-lg);
  padding:70px 54px;overflow:hidden;position:relative}
.cases::before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(155,92,255,.4),transparent 60%);filter:blur(30px)}
.cases .sec-head{position:relative;z-index:1}
.cases h2{color:#fff}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:42px;position:relative;z-index:1}
.case{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:24px;transition:.3s;cursor:pointer}
.case:hover{background:rgba(255,255,255,.12);transform:translateY(-5px)}
/* transition-delay per card position (replicates the JS-generated per-item delay) */
.case-grid .case:nth-child(1){transition-delay:.05s}
.case-grid .case:nth-child(2){transition-delay:.10s}
.case-grid .case:nth-child(3){transition-delay:.15s}
.case-grid .case:nth-child(4){transition-delay:.20s}
.case-grid .case:nth-child(5){transition-delay:.25s}
.case-grid .case:nth-child(6){transition-delay:.30s}
.case-grid .case:nth-child(7){transition-delay:.35s}
.case-grid .case:nth-child(8){transition-delay:.40s}
.case .ce{font-size:24px;margin-bottom:13px}
.case h3{font-family:var(--display);font-size:16.5px;font-weight:700;letter-spacing:-.02em}
.case p{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:7px}

/* METRICS */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:54px}
.metric{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;text-align:center;transition:.3s}
.metric:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(114,30,231,.3)}
.metric strong{font-family:var(--display);font-size:clamp(32px,3.6vw,44px);font-weight:800;letter-spacing:-.05em;
  background:linear-gradient(120deg,var(--violet),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.metric span{font-size:14px;color:var(--muted);font-weight:500}
.metrics-intro{max-width:820px;margin:40px auto 0;text-align:center;font-size:18px;color:var(--ink-soft);line-height:1.6}
.metrics-intro b{color:var(--violet);font-weight:700}

/* DIFF */
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:50px}
.diff{display:flex;gap:18px;padding:26px;background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:var(--radius);transition:.3s}
.diff:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(114,30,231,.3)}
.diff .ic{width:48px;height:48px;border-radius:14px;flex:none;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg,#efe6ff,#fff)}
.diff h3{font-family:var(--display);font-size:18px;font-weight:700;letter-spacing:-.02em}
.diff p{font-size:14.5px;color:var(--muted);margin-top:6px}

/* CTA */
.cta-card{background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;border-radius:var(--radius-lg);
  padding:56px;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;box-shadow:var(--shadow-violet);position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;width:480px;height:480px;left:-120px;bottom:-200px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 60%)}
.cta-card .l{position:relative;z-index:1}
.cta-card h2{color:#fff}
.cta-card p{color:rgba(255,255,255,.82);margin-top:16px;font-size:17px}
.cta-list{list-style:none;margin-top:22px;display:grid;gap:11px}
.cta-list li{font-size:15px;display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.92)}
.cta-list li::before{content:"";width:18px;height:18px;border-radius:50%;flex:none;background-color:rgba(255,255,255,.18);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.form{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:14px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:24px}
.form label{display:grid;gap:7px;font-size:13px;font-weight:600;color:rgba(255,255,255,.85)}
.form .full{grid-column:1/-1}
.form input,.form textarea,.form select{font:inherit;font-size:14px;padding:13px 15px;border-radius:13px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;outline:none;transition:.2s;width:100%}
.form input::placeholder,.form textarea::placeholder{color:rgba(255,255,255,.55)}
.form input:focus,.form textarea:focus,.form select:focus{border-color:#fff;background:rgba(255,255,255,.16)}
.form select option{color:#222}
.form .btn{grid-column:1/-1;background:#fff;color:var(--indigo);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.form .btn:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(0,0,0,.26)}
.form-ok{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:28px 12px;color:#fff;font-size:17px;font-weight:600;line-height:1.5}
.form-ok-ic{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.18);font-size:26px;font-weight:800}
/* error accesible del formulario — ancho completo del grid; tono rojo translúcido suave, texto #fff legible */
.form-error{grid-column:1/-1;font-size:14px;font-weight:500;color:#fff;background:rgba(211,47,47,.18);border:1px solid rgba(239,83,80,.45);border-radius:8px;padding:12px 16px;margin-bottom:10px;line-height:1.5}
.form-linkedin{color:#fff;font-weight:600;text-decoration:underline;text-underline-offset:2px}
.form-linkedin:hover{color:#fff;text-decoration-thickness:2px}
.form-linkedin:focus-visible{outline:2px solid #fff;outline-offset:2px;border-radius:2px}

/* FOOTER */
.site-footer{padding:64px 0 30px;margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,transparent,rgba(243,237,255,.5))}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:56px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14.5px;color:var(--muted);max-width:320px}
.footer-trust{margin-top:24px;display:grid;gap:14px}
.iso-badge{display:inline-flex;align-items:center;gap:13px;padding:12px 16px;border-radius:16px;width:fit-content;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.iso-logo{height:64px;width:auto;display:block}
.iso-year{font-size:12px;font-weight:700;color:var(--violet);background:rgba(114,30,231,.1);
  padding:6px 11px;border-radius:999px;white-space:nowrap}
.iso-ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff}
.iso-ic svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.iso-ic svg .f{fill:currentColor;stroke:none;opacity:.35}
.iso-badge b{display:block;font-family:var(--display);font-size:15px;color:var(--indigo);letter-spacing:-.01em}
.iso-badge small{display:block;font-size:12px;color:var(--muted)}
.trust-pills{display:flex;flex-wrap:wrap;gap:8px}
.tpill{font-size:12.5px;font-weight:600;color:var(--ink-soft);padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.7);border:1px solid var(--line)}
.footer-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.site-footer h4{font-family:var(--display);font-size:14px;font-weight:700;margin-bottom:16px;color:var(--indigo)}
.site-footer .footer-cols a{display:block;font-size:14px;color:var(--muted);margin:9px 0;transition:.2s;width:fit-content}
.site-footer .footer-cols a:hover{color:var(--violet);transform:translateX(3px)}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.footer-status i{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 0 rgba(46,229,157,.5);animation:livedot 1.8s infinite}

/* ICON SET (SVG) */
.ic svg,.ni svg,.case .ce svg,.ind-pill .pi svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;display:block}
.ic svg .f,.ni svg .f,.case .ce svg .f,.ind-pill .pi svg .f{fill:currentColor;stroke:none;opacity:.22}
.ic{color:var(--violet)}.ic svg{width:26px;height:26px}
.mod:hover .ic{color:#fff}
.ni{color:var(--violet)}.ni svg{width:20px;height:20px}
.case .ce{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.1);color:var(--violet-3);margin-bottom:13px;font-size:0}
.case .ce svg{width:22px;height:22px}
.ind-pill .pi{display:inline-flex}.ind-pill .pi svg{width:17px;height:17px}
/* FOCUS VISIBLE — keyboard navigation */
:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:4px}
.btn:focus-visible{outline-offset:4px;border-radius:999px}
.ind-pill:focus-visible{outline-offset:3px;border-radius:999px}
.nav-cta:focus-visible{outline-offset:4px;border-radius:999px}
.lang-switch:focus-visible{outline-offset:3px;border-radius:999px}
.primary-nav>a:not(.nav-cta):focus-visible{outline-offset:3px;border-radius:999px}
.lang-switch .lg:focus-visible{outline-offset:2px;border-radius:999px}
.case:focus-visible{outline:2px solid var(--violet-3);outline-offset:3px;border-radius:20px}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* RESPONSIVE — breakpoints in descending order: 1024 → 860 → 680 → reduced-motion */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .hero-visual{max-width:480px}
  .mods{grid-template-columns:repeat(3,1fr)}
  .prob-grid,.case-grid,.metrics-grid{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;padding:40px}
  .infra-stage{min-height:420px}
}
@media(max-width:860px){
  .taxdesign{grid-template-columns:1fr;gap:26px;padding:36px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .primary-nav{position:absolute;top:78px;left:24px;right:24px;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow);display:none}
  .primary-nav.open{display:flex}
  .nav-toggle{display:block}
  .nav-cta{text-align:center;margin-top:6px}
  .sec{padding:70px 0}
  .prob-grid,.case-grid,.metrics-grid,.diff-grid,.footer-cols,.form{grid-template-columns:1fr}
  .mods{grid-template-columns:repeat(2,1fr)}
  .cases{padding:46px 22px}
  .hero-stats{gap:24px}
  /* sección Arquitectura: solo en escritorio (oculta completa en móvil) */
  .infra{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}