/* =========================================================
   PRISMA FUTURO — Hoja de estilos
   Modularización fiel de referencia_visual_prisma.html.
   Las adiciones (accesibilidad, fallbacks) están marcadas con [+].
   ========================================================= */

/* ---------- Variables ---------- */
:root{
  --ink:#171923;
  --muted:#626675;
  --paper:#faf9fc;
  --blue:#dff4fa;
  --pink:#f8e3f2;
  --lilac:#ece7ff;
  --mint:#dff7ed;
  --yellow:#fff5d8;
  --line:rgba(29,34,48,.09);
  --shadow:0 22px 55px rgba(42,39,65,.10);
  --focus:#7d6fd8;
  --serif:"Times New Roman","Iowan Old Style",Baskerville,Georgia,serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.container{width:min(1200px,calc(100% - 44px));margin:auto}

body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(ellipse at 3% 4%,rgba(248,210,245,.62),transparent 34%),
             radial-gradient(ellipse at 97% 18%,rgba(187,239,246,.7),transparent 34%),
             radial-gradient(ellipse at 50% 95%,rgba(220,218,255,.45),transparent 42%)}

/* [+] Accesibilidad: enlace de salto y foco visible */
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;padding:10px 16px;border-radius:12px;background:var(--ink);color:#fff;font-size:14px;font-weight:700;transition:top .2s}
.skip-link:focus{top:12px}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.pill:focus-visible,.social:focus-visible,.links a:focus-visible{outline-offset:3px}

/* ---------- Tipografía editorial ---------- */
h1,.section h2,.feature-card h3,.wide-copy h3,.contact h2{
  font-family:var(--serif);
  font-weight:500;
  letter-spacing:-.045em;
}
h1{font-size:clamp(52px,6.3vw,84px);line-height:.91;letter-spacing:-.055em}
.hero-copy h1,.section h2,.contact h2{font-kerning:normal}
.feature-card h3,.wide-copy h3{line-height:.96}

/* ---------- Encabezado / navegación ---------- */
.top-shell{position:sticky;top:14px;z-index:30;padding-top:14px;margin-bottom:-84px}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:9px 12px 9px 20px;border:1px solid rgba(255,255,255,.85);border-radius:23px;background:linear-gradient(135deg,rgba(255,255,255,.42),rgba(255,255,255,.20));backdrop-filter:blur(38px) saturate(200%);-webkit-backdrop-filter:blur(38px) saturate(200%);box-shadow:0 14px 40px rgba(44,42,67,.09),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(255,255,255,.32);transition:.25s}
.nav{position:relative;isolation:isolate}
.nav:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;background:radial-gradient(ellipse at 12% 0%,rgba(255,255,255,.58),transparent 44%),linear-gradient(115deg,rgba(255,255,255,.12),transparent 48%,rgba(255,255,255,.08))}
.nav.scrolled{background:linear-gradient(135deg,rgba(255,255,255,.62),rgba(255,255,255,.36));backdrop-filter:blur(42px) saturate(205%);-webkit-backdrop-filter:blur(42px) saturate(205%);box-shadow:0 16px 44px rgba(44,42,67,.12),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(255,255,255,.38)}

.brand{display:flex;align-items:center;gap:10px;min-width:210px}
.brand-mark{width:34px;height:34px}
.brand-name{font-size:13px;font-weight:850;letter-spacing:.11em}
.brand-name small{display:block;margin-top:4px;font-size:9px;color:#777a89;letter-spacing:.2em}

.links{display:flex;gap:4px;align-items:center;padding:5px;border:1px solid rgba(255,255,255,.62);border-radius:16px;background:rgba(255,255,255,.13);backdrop-filter:blur(26px) saturate(185%);-webkit-backdrop-filter:blur(26px) saturate(185%);box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}
.links a{font-size:14px;color:#555969;padding:10px 13px;border-radius:11px;white-space:nowrap;transition:.2s}
.links a:hover,.links a:focus-visible{background:rgba(255,255,255,.42);backdrop-filter:blur(18px);box-shadow:0 4px 14px rgba(30,35,50,.06),inset 0 1px rgba(255,255,255,.9)}

.pill{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 19px;border-radius:999px;background:#171923;color:white;font-size:14px;font-weight:700;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s}
.pill:hover,.pill:focus-visible{transform:translateY(-2px);box-shadow:0 10px 25px #17192322}
.pill.outline{background:rgba(255,255,255,.28);backdrop-filter:blur(18px) saturate(170%);-webkit-backdrop-filter:blur(18px) saturate(170%);border:1px solid rgba(23,25,35,.17);color:var(--ink)}

.menu-toggle{display:none;background:transparent;border:0;font-size:22px;color:var(--ink);cursor:pointer;width:40px;height:40px;border-radius:12px}

/* ---------- Hero ---------- */
.hero{padding:150px 0 78px}
.hero-panel{position:relative;overflow:hidden;min-height:570px;display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:30px;padding:64px 58px;border-radius:36px;border:1px solid rgba(255,255,255,.9);background:linear-gradient(120deg,rgba(250,230,249,.76),rgba(234,238,255,.76) 52%,rgba(216,250,246,.75));box-shadow:var(--shadow);isolation:isolate}
.hero-panel:before{content:"";position:absolute;inset:0;z-index:-1;opacity:.25;background-image:url("data:image/svg+xml,%3Csvg width='220' height='220' viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpath d='M-20 38C35 0 56 20 52 61S5 108 26 144s75 8 80-27 50-56 78-19 9 70 42 82'/%3E%3Cpath d='M-20 68C35 30 56 50 52 91S5 138 26 174s75 8 80-27 50-56 78-19 9 70 42 82'/%3E%3C/g%3E%3C/svg%3E")}
.hero-copy{position:relative;z-index:2}
.tag{display:inline-flex;padding:9px 15px;border:1px solid rgba(255,255,255,.85);border-radius:999px;background:rgba(255,255,255,.26);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);font-size:13px;font-weight:750;color:#515465}
h1{font-size:clamp(48px,6vw,79px);line-height:.97;letter-spacing:-.055em;margin:26px 0 22px;font-weight:750;max-width:560px}
.h1-accent{font-style:italic;color:#647d9a}
.hero-copy p{font-size:15px;line-height:1.8;color:#555968;max-width:450px}
.actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:28px}
.tiny-note{display:flex;align-items:center;gap:9px;margin-top:25px;color:#666b7b;font-size:13px}
.tiny-note i{font-style:normal;display:grid;place-items:center;width:25px;height:25px;background:rgba(255,255,255,.65);border-radius:50%}

.hero-art{position:relative;min-height:420px;display:flex;align-items:center;justify-content:center}
.glow{position:absolute;width:310px;height:310px;border-radius:50%;filter:blur(2px);background:linear-gradient(135deg,#f7c9f0,#d2dcff 52%,#b9f1e7);opacity:.92}
.glass-window{position:relative;width:min(100%,490px);height:365px;border:1px solid rgba(255,255,255,.94);border-radius:31px;background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(255,255,255,.12));backdrop-filter:blur(32px) saturate(190%);-webkit-backdrop-filter:blur(32px) saturate(190%);box-shadow:0 25px 60px rgba(59,59,96,.15),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(255,255,255,.32);transform:rotate(2deg);overflow:hidden}
.window-top{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.48);background:linear-gradient(90deg,rgba(255,255,255,.20),rgba(255,255,255,.04));font-size:12px;color:#5e6070}
.window-dots{display:flex;gap:5px}
.window-dots i{width:6px;height:6px;border-radius:50%;background:#d6d7e4}
.window-content{padding:25px}
.window-content small{color:#77798a;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.window-content h3{font-family:var(--serif);font-size:31px;font-weight:400;line-height:1.02;margin:12px 0}
.window-content p{font-size:13px;color:#666b7a;line-height:1.7;max-width:220px}
.mock-stats{display:flex;gap:9px;margin-top:22px}
.stat{flex:1;padding:13px;border-radius:15px;background:rgba(255,255,255,.34);backdrop-filter:blur(18px) saturate(170%);-webkit-backdrop-filter:blur(18px) saturate(170%);border:1px solid rgba(255,255,255,.68);box-shadow:inset 0 1px 0 rgba(255,255,255,.82)}
.stat b{display:block;font-size:15px}
.stat span{font-size:10px;color:#727686}
.floating{position:absolute;z-index:3;padding:15px 17px;border:1px solid rgba(255,255,255,.95);border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(255,255,255,.24));backdrop-filter:blur(30px) saturate(190%);-webkit-backdrop-filter:blur(30px) saturate(190%);box-shadow:0 18px 40px rgba(53,53,83,.13),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.28)}
.floating.top{right:-6px;top:15px;width:155px}
.floating.bottom{left:-5px;bottom:5px;width:175px}
.floating b{display:block;font-size:13px;margin-top:7px}
.floating small{font-size:11px;color:#777b89}
.floating .mini-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:10px;background:#fff3cb;color:#78642b}

/* ---------- Secciones genéricas ---------- */
.section{padding:76px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:30px}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:#81839a}
.section h2{font-size:clamp(35px,4.5vw,57px);line-height:.99;letter-spacing:-.05em;margin:13px 0 0;max-width:650px}
.section-desc{max-width:370px;font-size:15px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- Tarjetas "Caras del Prisma" ---------- */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.feature-card{position:relative;min-width:0;min-height:310px;overflow:hidden;padding:25px 21px;border-radius:30px;border:1px solid rgba(255,255,255,.78);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);box-shadow:0 13px 35px rgba(40,42,61,.06),inset 0 1px 0 rgba(255,255,255,.88),inset 0 -1px 0 rgba(255,255,255,.24);transition:transform .25s,box-shadow .25s}
.feature-card:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0;background:linear-gradient(135deg,rgba(255,255,255,.24),transparent 35%,rgba(255,255,255,.04) 72%,rgba(255,255,255,.12))}
.feature-card:hover,.feature-card:focus-visible{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-card.mint{background:linear-gradient(135deg,rgba(222,232,220,.72),rgba(235,244,231,.38))}
.feature-card.pink{background:linear-gradient(135deg,rgba(250,229,246,.66),rgba(246,234,252,.34))}
.feature-card.yellow{background:linear-gradient(135deg,rgba(241,228,200,.78),rgba(250,240,219,.40))}
.feature-card.blue{background:linear-gradient(135deg,rgba(223,243,255,.68),rgba(230,237,255,.36))}
.feature-card:after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.23;background-image:url("data:image/svg+xml,%3Csvg width='180' height='180' viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpath d='M-10 40C30 0 60 15 58 55S10 105 35 125s50-10 65-45 35-20 60 0'/%3E%3Cpath d='M-10 65C30 25 60 40 58 80S10 130 35 150s50-10 65-45 35-20 60 0'/%3E%3C/g%3E%3C/svg%3E")}
.feature-card>*{position:relative;z-index:1}
.feature-card .tag{background:rgba(255,255,255,.38);font-size:10px;letter-spacing:.08em}
.feature-card h3{font-size:clamp(1.45rem,2vw,1.9rem);line-height:.98;letter-spacing:-.05em;margin:23px 0 13px;max-width:380px}
.feature-card p{font-size:13.5px;line-height:1.65;color:#606575;max-width:32ch}
.feature-card .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:12px;font-weight:750}
.big-icon{position:absolute!important;display:grid;place-items:center;border-radius:28px;background:rgba(255,255,255,.45);border:1px solid rgba(255,255,255,.75);color:#59667c;transform:rotate(-7deg)}
.feature-card .big-icon{font-size:0;width:48px;height:48px;right:18px;bottom:18px}
.feature-card .big-icon svg{width:31px;height:31px;display:block;overflow:visible;stroke:currentColor;color:#46566c;flex-shrink:0}

/* Banda ancha */
.wide-feature{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;min-height:330px;padding:0;overflow:hidden;border-radius:30px;background:linear-gradient(110deg,rgba(255,249,220,.62),rgba(255,239,229,.38));backdrop-filter:blur(24px) saturate(175%);-webkit-backdrop-filter:blur(24px) saturate(175%);border:1px solid rgba(255,255,255,.78);box-shadow:0 13px 35px rgba(40,42,61,.06),inset 0 1px 0 rgba(255,255,255,.9)}
.wide-copy{padding:38px;align-self:center}
.wide-copy h3{font-size:clamp(35px,4.4vw,52px);line-height:.98;letter-spacing:-.05em;margin:22px 0 13px}
.wide-copy p{font-size:15px;line-height:1.8;color:#636575;max-width:430px}
.image-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px;padding:15px}
.mosaic-tile{border-radius:20px;min-height:130px;overflow:hidden;position:relative;background:linear-gradient(140deg,#d4e9ef,#b7c8e9)}
.mosaic-tile:nth-child(2){background:linear-gradient(140deg,#f4d4e8,#d7d4f5)}
.mosaic-tile:nth-child(3){background:linear-gradient(140deg,#d9efe0,#f7edcb)}
.mosaic-tile:nth-child(4){background:linear-gradient(140deg,#e6ddfa,#c7eced)}
.mosaic-tile:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.7),transparent 50%),linear-gradient(145deg,transparent,rgba(255,255,255,.14))}

/* ---------- Por qué Prisma ---------- */
.why-panel{padding:44px;border-radius:32px;background:#171923;color:white;position:relative;overflow:hidden}
.why-panel:after{content:"";position:absolute;right:-100px;top:-190px;width:400px;height:400px;border-radius:50%;background:linear-gradient(135deg,#e8c9f5,#b9eff0);filter:blur(4px);opacity:.25}
.why-panel .section-head{position:relative;z-index:1}
.why-panel .eyebrow{color:#d6d5f4}
.why-panel .section-desc{color:#c1c3d0}
.why-panel h2{color:#fff}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;position:relative;z-index:1}
.benefit{padding:22px;border-radius:20px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.055);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);box-shadow:inset 0 1px 0 rgba(255,255,255,.16)}
.benefit small{font-size:11px;color:#c7d9ed;letter-spacing:.12em}
.benefit h3{font-size:20px;margin:20px 0 8px}
.benefit p{font-size:13px;line-height:1.8;color:#c3c6d3;margin:0}

/* ---------- El principio Prisma ---------- */
.no-panel{position:relative;overflow:hidden;padding:clamp(30px,5vw,62px);border-radius:34px;background:linear-gradient(125deg,#f2eafa 0%,#e6f5f7 53%,#fff2d9 100%);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);isolation:isolate}
.no-panel:before{content:"NO";position:absolute;right:-18px;top:-74px;font-family:var(--serif);font-size:clamp(220px,35vw,420px);line-height:1;color:rgba(255,255,255,.43);letter-spacing:-.1em;z-index:-1;pointer-events:none}
.no-heading{max-width:800px;position:relative}
.no-heading>.eyebrow{font-size:16px;letter-spacing:.19em;font-weight:800}
.no-heading h2{font-size:clamp(42px,6.2vw,78px);line-height:.9;margin:15px 0 20px;max-width:760px}
.no-heading h2 em{font-style:normal;color:#6d668d}
.no-heading>p{max-width:610px;font-size:16px;line-height:1.8;color:#565b6b;margin:0}
.no-examples{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:32px 0 28px;position:relative}
.no-example{padding:20px 18px;border:1px solid rgba(255,255,255,.88);border-radius:20px;background:rgba(255,255,255,.42);backdrop-filter:blur(22px) saturate(170%);-webkit-backdrop-filter:blur(22px) saturate(170%);box-shadow:inset 0 1px 0 rgba(255,255,255,.85)}
.no-example small{font-size:10px;letter-spacing:.12em;font-weight:800;color:#797b8e;text-transform:uppercase}
.no-example h3{font-family:var(--serif);font-weight:500;font-size:24px;line-height:1;margin:13px 0 9px;letter-spacing:-.035em}
.no-example p{font-size:12.5px;line-height:1.7;color:#626676;margin:0}
.no-closing{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:24px;border-top:1px solid rgba(50,50,70,.12);position:relative}
.no-closing p{font-family:var(--serif);font-size:clamp(24px,3vw,36px);line-height:1.03;letter-spacing:-.035em;margin:0;max-width:640px}
.no-closing p strong{font-weight:600}
.no-closing .pill{flex-shrink:0}

/* ---------- Proceso ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{padding:12px 5px}
.step-num{display:grid;place-items:center;width:40px;height:40px;border-radius:14px;background:#eee9ff;font-weight:800;font-size:12px}
.step:nth-child(2) .step-num{background:#dff7ed}
.step:nth-child(3) .step-num{background:#fff1d2}
.step h3{font-size:21px;margin:20px 0 9px}
.step p{font-size:12px;color:var(--muted);line-height:1.8;max-width:300px}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:35px;padding:38px;border-radius:32px;background:rgba(255,255,255,.42);backdrop-filter:blur(32px) saturate(185%);-webkit-backdrop-filter:blur(32px) saturate(185%);border:1px solid rgba(255,255,255,.78);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.92),inset 0 -1px 0 rgba(255,255,255,.25)}
.contact h2{font-size:clamp(35px,4vw,50px);line-height:1.02;letter-spacing:-.05em;margin:14px 0}
.contact-copy p{font-size:13px;line-height:1.8;color:var(--muted)}
.contact-detail{margin-top:23px;display:grid;gap:12px;font-size:12px;color:#606575}

.contact-methods{display:grid;gap:19px;margin-top:27px}
.contact-methods>span{display:flex;align-items:center;gap:13px}
.contact-methods>span>i{font-style:normal;width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.78);border-radius:15px;background:rgba(255,255,255,.24);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
.contact-methods svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.contact-methods>span>span{display:grid;gap:4px}
.contact-methods strong{font-size:13px;font-weight:700}
.contact-methods a,.contact-methods>span>span>span{font-size:15px;color:inherit;text-decoration:none}
.contact-methods a:hover,.contact-methods a:focus-visible{text-decoration:underline;text-underline-offset:3px}

form{display:grid;grid-template-columns:1fr 1fr;gap:13px;align-content:start}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:750;color:#606575}
.field input,.field select,.field textarea{width:100%;padding:14px;border:1px solid #e5e5ed;border-radius:14px;background:rgba(255,255,255,.42);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);outline:none;font-size:14px;color:var(--ink)}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#c5b8f1;box-shadow:0 0 0 3px #c5b8f126}
/* [+] Validación visual: solo se marca tras intentar enviar */
form.was-validated .field input:invalid{border-color:#d99aae;box-shadow:0 0 0 3px #d99aae22}
.form-note{grid-column:1/-1;font-size:12px;line-height:1.6;color:#858795}
.form-status{grid-column:1/-1;margin:0;font-size:12.5px;line-height:1.6;color:#4d5a73;min-height:0}
.form-status:empty{display:none}

/* ---------- Footer ---------- */
footer{margin-top:78px;padding:43px 0 24px;background:#171923;color:white;border-radius:34px 34px 0 0}
.footer-main{display:flex;justify-content:space-between;gap:35px;padding-bottom:32px}
.footer-brand p{max-width:290px;color:#b7bac7;font-size:13px;line-height:1.8}
.footer-brand .brand-name{letter-spacing:.06em}
.footer-brand .brand-name small{color:#aeb2c0}
.footer-links{display:flex;gap:55px}
.footer-col{display:grid;align-content:start;gap:12px;font-size:13px;color:#c1c3ce}
.footer-col a:hover,.footer-col a:focus-visible{color:#fff}
.footer-col strong{color:white;margin-bottom:4px}
.socials{display:flex;gap:9px;margin-top:15px}
.social{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;border:1px solid #ffffff22;background:#ffffff10;font-size:13px;transition:background .2s}
.social:hover,.social:focus-visible{background:#ffffff22}
.footer-bottom{display:flex;justify-content:flex-end;gap:20px;padding-top:20px;border-top:1px solid #ffffff20;color:#969aa9;font-size:11px;text-align:right}

/* ---------- Animaciones de entrada ----------
   [+] Solo se ocultan si JS está activo (clase .js en <html>),
   así el contenido nunca queda invisible sin JavaScript. */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .65s ease,transform .65s ease}
.js .reveal.visible{opacity:1;transform:translateY(0)}

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

/* [+] Sin backdrop-filter: fondos más opacos para mantener contraste */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .nav,.nav.scrolled{background:rgba(255,255,255,.93)}
  .links{background:rgba(255,255,255,.6)}
  .glass-window,.floating{background:rgba(255,255,255,.86)}
  .contact,.no-example,.stat,.tag{background:rgba(255,255,255,.82)}
  .benefit{background:rgba(255,255,255,.08)}
  .field input,.field select,.field textarea{background:rgba(255,255,255,.9)}
}

/* ---------- Responsive ---------- */
@media(max-width:980px) and (min-width:761px){
  .feature-card{padding:21px 15px}
  .feature-card h3{font-size:1.4rem}
  .feature-card p{font-size:12.5px}
  .feature-card .card-link{font-size:11px}
}

@media(max-width:900px){
  .hero-panel{grid-template-columns:1fr;padding:48px 40px}
  .hero-art{min-height:390px}
  .section-head{align-items:start;flex-direction:column;gap:15px}
  .contact{grid-template-columns:1fr}
  .links{gap:0}
  .links a{padding:10px 8px}
  .brand{min-width:auto}
  .no-examples{grid-template-columns:repeat(2,minmax(0,1fr))}
  .no-closing{align-items:flex-start;flex-direction:column}
}

@media(max-width:760px){
  .cards{grid-template-columns:1fr}
  .feature-card{min-height:260px;padding:26px}
}

@media(max-width:640px){
  .container{width:calc(100% - 28px)}
  .top-shell{top:7px;padding-top:7px}
  .nav{height:60px;padding:7px 9px 7px 13px;border-radius:19px;gap:10px}
  .brand-mark{width:30px;height:30px}
  .brand-name{font-size:10px}
  .brand-name small{font-size:7px}
  .menu-toggle{display:block}
  .links{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;padding:10px;background:rgba(250,249,255,.66);backdrop-filter:blur(36px) saturate(190%);-webkit-backdrop-filter:blur(36px) saturate(190%);border:1px solid rgba(255,255,255,.82);border-radius:19px;box-shadow:var(--shadow)}
  .links.open{display:flex}
  .links a{padding:12px}
  .nav>.pill{padding:11px 12px;font-size:12px}
  .hero{padding:115px 0 35px}
  .hero-panel{padding:31px 22px 20px;min-height:0;border-radius:27px;grid-template-columns:1fr;gap:0}
  .hero h1{font-size:clamp(47px,13vw,68px);line-height:.93}
  .hero-copy p{font-size:15px}
  .hero-art{min-height:320px;margin-top:8px}
  .glass-window{height:285px}
  .window-content{padding:17px}
  .window-content h3{font-size:25px}
  .mock-stats{margin-top:12px}
  .floating.top{right:-7px;top:5px}
  .floating.bottom{left:-5px;bottom:0}
  .section{padding:52px 0}
  .wide-feature{grid-template-columns:1fr}
  .wide-copy{padding:28px}
  .image-mosaic{min-height:270px}
  .why-panel{padding:27px 20px;border-radius:26px}
  .benefits,.steps{grid-template-columns:1fr}
  .benefit{padding:18px}
  .contact{padding:25px 18px;gap:24px;border-radius:26px}
  form{grid-template-columns:1fr}
  .field.full,.form-note,.form-status{grid-column:auto}
  .footer-main{flex-direction:column}
  .footer-links{gap:32px;flex-wrap:wrap}
  .footer-bottom{flex-direction:column;gap:8px}
  .no-panel{padding:28px 20px;border-radius:27px}
  .no-panel:before{font-size:230px;right:-20px;top:-30px}
  .no-heading h2{font-size:clamp(41px,12vw,59px)}
  .no-heading>p{font-size:14px}
  .no-examples{grid-template-columns:1fr;gap:10px;margin:25px 0}
  .no-example{padding:17px}
  .no-example h3{margin:9px 0 7px}
  .no-closing{gap:17px}
  .no-closing .pill{width:100%}
}

/* [+] Pantallas muy estrechas (360 px): evitar que el CTA del menú desborde */
@media(max-width:380px){
  .nav>.pill{padding:10px 10px;font-size:11px}
  .brand{gap:7px}
}