/* WB Audio Academy — ES/EN — v1.0 | Standalone static CSS, no CDN dependencies. */
:root{color-scheme:dark;--bg:#0a1018;--bg2:#0f1823;--panel:#14212c;--panel2:#172530;--ink:#edf6f7;--muted:#a2b3c0;--muted2:#768e9d;--line:rgba(189,218,222,.13);--accent:#68d6c1;--accent2:#85ecce;--blue:#67a9d6;--shadow:0 28px 75px rgba(0,0,0,.28)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:absolute;top:70px;left:0;right:0;height:640px;pointer-events:none;background:radial-gradient(circle at 70% 22%,rgba(24,99,108,.22),transparent 38%),radial-gradient(circle at 18% 35%,rgba(50,84,137,.15),transparent 48%)}
::selection{background:var(--accent);color:#061116}a{color:inherit}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent2);outline-offset:4px}p{margin:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.12;margin:0;font-weight:710}h2{font-size:clamp(2rem,3.7vw,3.65rem)}h3{font-size:1.2rem}em{font-style:normal;color:var(--accent)}.container{width:min(1160px,calc(100% - 72px));margin-inline:auto}.section{padding:102px 0;position:relative}.skip-link{position:absolute;left:16px;top:-90px;background:var(--accent);color:#09131a;z-index:50;padding:12px 16px;border-radius:8px}.skip-link:focus{top:12px}
.site-header{position:sticky;z-index:20;top:0;background:rgba(9,16,24,.91);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-inner{height:83px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:13px;text-decoration:none;flex-shrink:0}.brand-mark{border:1px solid rgba(104,214,193,.48);color:#f3fbff;border-radius:12px;width:47px;height:47px;display:grid;place-items:center;letter-spacing:-.13em;font-weight:850;font-size:20px;padding-right:3px;background:linear-gradient(130deg,rgba(105,209,194,.13),rgba(103,169,214,.06))}.mark-point{color:var(--accent)}.brand-label{font-size:14px;line-height:1.22;letter-spacing:.12em;font-weight:550;white-space:nowrap}.brand-label strong{color:var(--accent);font-weight:800}.brand-label small{display:block;margin-top:5px;font-size:9px;color:var(--muted2);letter-spacing:.2em}.desktop-nav{display:flex;gap:28px;align-items:center}.desktop-nav a{text-decoration:none;color:#b9c9d2;font-size:13px;font-weight:650;transition:color .18s}.desktop-nav a:hover{color:var(--accent)}.header-controls{display:flex;align-items:center;gap:15px}.locale-switch{display:flex;gap:7px;align-items:center;padding:5px;border:1px solid var(--line);background:#111c26;border-radius:9px;font-size:11px;font-weight:700}.locale-switch a,.locale-active{padding:5px 9px;border-radius:5px;text-decoration:none}.locale-active{background:rgba(104,214,193,.16);color:var(--accent)}.locale-switch a{color:#b7c9d1}.locale-switch a:hover{background:#273642}.mobile-menu{display:none}
.hero{padding-top:95px;padding-bottom:40px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center;min-height:520px}.eyebrow,.section-kicker{color:var(--accent);font-size:11px;letter-spacing:.185em;font-weight:800}.eyebrow{display:flex;gap:12px;align-items:center;margin-bottom:25px}.eyebrow-line{display:block;width:30px;height:1px;background:var(--accent)}.hero h1{font-size:clamp(3.2rem,5.1vw,5.25rem);line-height:1.045;max-width:625px;letter-spacing:-.065em}.hero h1 em{display:block}.hero-lead{color:#b6c8d3;font-size:clamp(1rem,1.5vw,1.13rem);line-height:1.8;margin-top:28px;max-width:555px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:11px 19px;text-decoration:none;border-radius:9px;font-weight:750;font-size:13px;transition:transform .15s,background .15s}.button:hover{transform:translateY(-2px)}.button-primary{color:#09201e;background:var(--accent)}.button-primary:hover{background:var(--accent2)}.button-subtle{background:#15232e;border:1px solid #36434b;color:#dce9eb}.button-subtle:hover{background:#25343e}.small-note{font-size:12px;color:var(--muted2);margin-top:23px}.small-note span{color:var(--accent)}
.hero-visual{position:relative;border:1px solid rgba(116,198,205,.22);background:linear-gradient(153deg,#142531 0%,#101b28 60%,#0b1621 100%);border-radius:22px;min-height:398px;padding:24px;box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.04);overflow:hidden}.hero-visual::before{content:"";position:absolute;inset:-200px -130px auto auto;width:460px;height:400px;background:radial-gradient(circle,rgba(60,190,166,.18),transparent 68%);pointer-events:none}.visual-header,.visual-labels{display:flex;align-items:center;justify-content:space-between}.visual-header{gap:12px;color:#91aab7;letter-spacing:.12em;font-size:10px;position:relative}.visual-header span:nth-child(2){flex:1}.visual-led{width:8px;height:8px;background:var(--accent);box-shadow:0 0 0 5px rgba(104,214,193,.09);border-radius:50%}.visual-title{position:relative;font-size:21px;font-weight:650;letter-spacing:-.03em;margin-top:28px}.visual-graph{position:relative;height:194px;margin:18px 0 10px;overflow:hidden;border-top:1px solid rgba(180,220,220,.06);border-bottom:1px solid rgba(180,220,220,.08)}.visual-grid{position:absolute;inset:0;background:linear-gradient(to right,transparent 0 24.7%,rgba(163,203,212,.11) 25%,transparent 25.3% 49.7%,rgba(163,203,212,.11) 50%,transparent 50.3% 74.7%,rgba(163,203,212,.11) 75%,transparent 75.3%),repeating-linear-gradient(to bottom,transparent 0,transparent 37px,rgba(163,203,212,.1) 38px)}.visual-bars{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;gap:3px;padding:14px 6px}.visual-bars span{flex:1;max-width:9px;height:var(--height);background:linear-gradient(180deg,#79e4d2,#2f6d8c);border-radius:5px;opacity:.71;box-shadow:0 0 16px rgba(44,195,188,.09)}.visual-wave{position:absolute;inset:4px 0;width:100%;height:calc(100% - 8px)}.visual-wave path{fill:none;stroke:#c0f1e2;stroke-width:1.3;opacity:.65}.visual-labels{gap:8px;color:#a9c3c9;font-weight:800;font-size:9px;letter-spacing:.16em;margin-top:13px}.visual-bottom{margin-top:23px;padding-top:13px;border-top:1px solid var(--line);font-size:10px;color:#8099a6}.metrics{display:grid;grid-template-columns:repeat(3,1fr);margin-top:65px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics>div{display:flex;gap:9px;align-items:baseline;padding:27px 20px 27px 0}.metrics>div+div{border-left:1px solid var(--line);padding-left:32px}.metrics strong{font-size:18px;line-height:1.1;white-space:nowrap}.metrics span{color:var(--muted2);font-size:12px}
.manifesto{background:#0e1721}.split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:95px}.section-kicker{margin:0 0 18px}.section-copy{padding-top:25px}.section-copy p{color:#b3c5cf;line-height:1.9;font-size:16px}.section-copy p+p{margin-top:20px}.section-heading{max-width:780px;margin-bottom:45px}.section-heading>p:last-child,.section-description{color:#b5c6d0;line-height:1.8;font-size:16px;margin-top:20px;max-width:675px}.topics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-card{padding:29px 26px 31px;min-height:260px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(150deg,#16232e,#101923);transition:border-color .2s,transform .2s}.topic-card:hover{border-color:rgba(108,214,196,.46);transform:translateY(-2px)}.topic-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.topic-num{font-size:12px;letter-spacing:.12em;color:var(--accent)}.topic-glyph{font-size:23px;color:#86b6c3;opacity:.8}.topic-card h3{font-size:20px;margin-bottom:14px}.topic-card p{color:#a6bbc7;font-size:14px;line-height:1.7}
.path-section{background:#0e1721}.path-grid,.lab-grid,.refs-grid,.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:105px}.path-grid>div:first-child{position:sticky;top:130px;align-self:start}.status-label{display:inline-flex;align-items:center;gap:9px;border:1px solid rgba(226,198,128,.24);color:#e4cda0;background:rgba(226,198,128,.06);padding:7px 11px;border-radius:99px;font-size:11px;margin-top:23px;font-weight:700}.status-dot{width:6px;height:6px;border-radius:50%;background:#e2bb70}.path-list{list-style:none;padding:0;margin:0}.path-step{display:grid;grid-template-columns:52px 1fr;gap:17px;padding:23px 0;border-bottom:1px solid var(--line)}.path-step:first-child{padding-top:4px}.step-number{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em}.path-step h3{font-size:18px;margin-bottom:7px}.path-step p{color:var(--muted);font-size:14px}
.primer-section{background:linear-gradient(130deg,#101f2a,#0a141e)}.primer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.primer-card{border-top:1px solid rgba(132,204,207,.4);padding:22px 3px}.primer-line{display:block;width:23px;height:4px;border-radius:4px;background:var(--accent);margin-bottom:20px}.primer-card h3{margin-bottom:14px;font-size:20px}.primer-card p{color:var(--muted);font-size:14px;line-height:1.8}.text-link{display:inline-block;margin-top:20px;color:var(--accent);font-size:13px;text-underline-offset:5px}.text-link:hover{color:#dbfff6}
.lab-grid{align-items:center}.lab-card{background:radial-gradient(circle at 85% 15%,rgba(84,160,172,.19),transparent 43%),linear-gradient(140deg,#1a3040,#101b29);border-radius:18px;border:1px solid rgba(117,199,204,.22);padding:37px 35px;min-height:330px;box-shadow:var(--shadow)}.lab-icon{display:grid;place-items:center;background:rgba(104,214,193,.12);color:var(--accent);border:1px solid rgba(104,214,193,.26);border-radius:14px;width:60px;height:60px;font-size:36px;margin-bottom:40px}.lab-card h3{font-size:23px;margin-bottom:16px}.lab-card p{color:var(--muted);font-size:14px;line-height:1.8}.lab-card>span{display:block;color:var(--muted2);font-size:10px;letter-spacing:.13em;margin-top:33px}.values-section{background:#0e1721}.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.values-grid article{padding:25px;border-top:1px solid var(--line)}.value-dot{display:block;background:var(--accent);width:8px;height:8px;border-radius:50%;margin-bottom:22px}.values-grid h3{font-size:19px;margin-bottom:13px}.values-grid p{color:var(--muted);font-size:14px;line-height:1.8}
.refs-grid{align-items:start}.references{border-top:1px solid var(--line)}.reference{display:flex;justify-content:space-between;gap:23px;align-items:center;padding:23px 4px;border-bottom:1px solid var(--line);text-decoration:none}.reference:hover strong,.reference:hover .reference-arrow{color:var(--accent)}.reference strong{display:block;font-size:17px;margin-bottom:5px}.reference span{display:block;color:var(--muted);font-size:13px}.reference-arrow{font-size:23px;color:var(--accent)!important}
.faq-section{background:#0e1721}.faq-items{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 4px;font-weight:700}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{font-size:23px;color:var(--accent);font-weight:400;transition:transform .2s}.faq-item[open] summary span{transform:rotate(45deg)}.faq-item p{color:var(--muted);line-height:1.8;padding:0 26px 25px 4px;font-size:14px}
.closing-section{padding:105px 0;text-align:center;background:radial-gradient(circle at 50% 30%,rgba(73,167,161,.14),transparent 55%),#0a141d;border-top:1px solid var(--line)}.closing-content{max-width:720px}.closing-content h2{font-size:clamp(2rem,4.3vw,3.55rem);margin:16px auto 22px}.closing-content>p:not(.section-kicker){color:#b5c5cf;font-size:16px;line-height:1.8}.closing-content>span{display:block;color:var(--accent);letter-spacing:.2em;font-size:10px;font-weight:800;margin-top:35px}.footer{border-top:1px solid var(--line);padding:40px 0 55px;background:#090f16}.footer-main{display:flex;justify-content:space-between;gap:25px}.footer-brand strong{letter-spacing:.15em;font-size:14px}.footer-brand p{font-size:13px;color:var(--muted);margin-top:10px}.footer-meta{text-align:right}.footer-meta p{font-size:12px;color:var(--muted2);margin-bottom:5px}.footer-meta a{font-size:12px;color:var(--accent);display:inline-block;margin-top:10px;text-underline-offset:3px}
@media(max-width:1120px){.desktop-nav{gap:16px}.hero-grid{gap:32px}.metrics>div{display:block}.metrics span{display:block;margin-top:5px}.path-grid,.lab-grid,.refs-grid,.faq-grid{gap:55px}}
@media(max-width:900px){.container{width:min(100% - 42px,720px)}.header-inner{height:76px}.desktop-nav{display:none}.mobile-menu{position:relative;display:block}.mobile-menu summary{display:flex;flex-direction:column;gap:5px;justify-content:center;align-items:center;border:1px solid var(--line);border-radius:8px;width:39px;height:36px;cursor:pointer}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{display:block;width:17px;height:2px;background:#d5e7e9;border-radius:2px}.mobile-menu nav{position:absolute;top:46px;right:0;width:min(295px,calc(100vw - 42px));display:grid;gap:0;background:#14212d;padding:10px;border:1px solid #3b4c55;border-radius:10px;box-shadow:var(--shadow)}.mobile-menu nav a{padding:13px 12px;text-decoration:none;font-weight:650;font-size:14px;border-bottom:1px solid var(--line)}.mobile-menu nav a:last-child{border:0}.hero{padding-top:72px}.hero-grid{grid-template-columns:1fr;gap:34px}.hero-text{max-width:690px}.hero-visual{min-height:330px}.visual-graph{height:150px}.metrics{margin-top:48px}.split-section,.path-grid,.lab-grid,.refs-grid,.faq-grid{grid-template-columns:1fr;gap:35px}.path-grid>div:first-child{position:static}.section{padding:75px 0}.topics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.values-grid,.primer-grid{gap:12px}}
@media(max-width:600px){.container{width:calc(100% - 32px)}.header-inner{height:70px;gap:10px}.brand{gap:9px}.brand-mark{width:39px;height:39px;border-radius:9px;font-size:16px}.brand-label{font-size:11px}.brand-label small{font-size:7px}.header-controls{gap:7px}.locale-switch{gap:1px;padding:3px}.locale-active,.locale-switch a{padding:4px 7px}.hero{padding-top:55px}.hero h1{font-size:clamp(2.85rem,10.6vw,4rem)}.hero-lead{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.button{width:100%}.hero-visual{min-height:320px;padding:19px}.visual-header{font-size:9px}.visual-title{font-size:19px}.visual-labels{font-size:7px;letter-spacing:.08em}.metrics{grid-template-columns:1fr;padding:3px 0}.metrics>div,.metrics>div+div{border:0;border-bottom:1px solid var(--line);padding:15px 3px}.metrics>div:last-child{border:0}.metrics span{display:inline;margin-left:12px}.topics-grid,.values-grid,.primer-grid{grid-template-columns:1fr}.topic-card{min-height:unset}.topic-top{margin-bottom:25px}.section{padding:63px 0}.section-heading{margin-bottom:30px}.section-heading>p:last-child,.section-description{font-size:15px}.split-section{gap:15px}.section-copy{padding-top:2px}.lab-card{padding:28px 23px}.closing-section{padding:80px 0}.footer-main{flex-direction:column;gap:25px}.footer-meta{text-align:left}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}


/* ===== WB Audio Academy — identidad v2 (2026-10-30) =====
   Mantiene la estructura de v1. No cambia URLs, copy, SEO, Nginx ni la marca aprobada.
   Fuentes cargadas desde Google Fonts; sin archivos de fuente distribuidos.
*/
:root { --wb-pink:#ff247a; --wb-pink-soft:#ff5a9d; --wb-cyan:#24d4e5; }
body { font-family:'Inter','Segoe UI',Arial,sans-serif; }
h1,h2,h3,.brand-label,.metrics strong { font-family:'Space Grotesk','Inter',Arial,sans-serif; }
.brand { gap:12px; }
.brand-logo { width:105px; height:auto; display:block; flex-shrink:0; filter:drop-shadow(0 0 3px rgba(70,210,222,.20)); }
.brand-label strong { color:var(--wb-cyan); }
/* La grafía WB aprobada permanece sin ondas ni íconos intermedios. */
.button-primary { background:linear-gradient(112deg,#ff287e,#f51e6f); color:#fff; border-color:rgba(255,92,149,.68); box-shadow:0 8px 25px rgba(255,35,121,.16); }
.button-primary:hover { background:linear-gradient(112deg,#ff4e98,#ff237e); border-color:#ff8bb7; }
.hero h1 em { background:linear-gradient(100deg,#4ae5dc 0%,#20cddf 62%,#ff2b82 100%); -webkit-background-clip:text; background-clip:text; color:transparent; }
.visual-led { background:var(--wb-pink); box-shadow:0 0 0 4px rgba(255,36,122,.10),0 0 10px rgba(255,36,122,.4); }
.visual-bars span:nth-child(5n+2) { background:linear-gradient(180deg,#fa68b7,#a52e85); box-shadow:0 0 15px rgba(255,36,122,.10); }
.visual-wave path { stroke:#9ce9e7; }
.eyebrow-line { background:var(--wb-pink); }
.topic-num, .step-number { color:var(--wb-cyan); }
.topic-card:nth-child(even) .topic-num { color:var(--wb-pink-soft); }
.topic-card:nth-child(even):hover { border-color:rgba(255,36,122,.32); }
.primer-card:nth-child(even) .primer-line { background:var(--wb-pink); }
.value-dot { background:var(--wb-cyan); }
.values-grid article:nth-child(2) .value-dot { background:var(--wb-pink); }
.locale-switch { padding:0; gap:6px; background:transparent; border:0; }
.locale-switch .lang-es,.locale-switch .lang-en { border:1px solid transparent; border-radius:6px; color:#08131a; font-weight:800; padding:6px 9px; text-decoration:none; }
.locale-switch .lang-es { background:var(--wb-pink); color:#fff; }
.locale-switch .lang-en { background:var(--wb-cyan); color:#061720; }
.locale-switch a:hover { filter:brightness(1.13); background:unset; }
.locale-switch a.lang-es:hover { background:#ff5797; }
.locale-switch a.lang-en:hover { background:#6af1ef; }
.locale-switch .locale-active { box-shadow:0 0 0 2px rgba(255,255,255,.23); }
@media(max-width:1120px) { .brand-logo { width:88px; } .brand-label { letter-spacing:.07em; } }
@media(max-width:600px) {
 .brand { gap:6px; }
 .brand-logo { width:67px; }
 .brand-label { font-size:10px; letter-spacing:.055em; }
 .brand-label small { font-size:6.4px; }
 .locale-switch { gap:3px; }
 .locale-switch .lang-es,.locale-switch .lang-en { padding:5px 7px; }
}