:root{
  --navy:#233259;
  --navy-deep:#153566;
  --blue:#4365a8;
  --teal:#42aa9f;
  --yellow:#f4c900;
  --yellow-soft:#fff4ad;
  --purple:#432556;
  --ink:#173b63;
  --muted:#60738f;
  --cream:#fffaf0;
  --sky:#eef8ff;
  --white:#fff;
  --line:#dfe9f3;
  --shadow:0 24px 70px rgba(24,58,104,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Montserrat,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55;overflow-x:hidden}
button,input{font:inherit}
button{color:inherit}
.container{width:min(1180px,calc(100% - 34px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:999;background:#fff;padding:12px 16px;border-radius:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #e7edf5}
.header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img,.site-footer img{width:172px;height:auto;display:block}
.site-header nav{display:flex;gap:27px;align-items:center}
.site-header a{color:var(--navy-deep);font-weight:700;text-decoration:none;font-size:.9rem}
.site-header nav a:hover,.back-link:hover{color:var(--teal)}
.back-link{border:1px solid var(--line);padding:10px 15px;border-radius:999px}
.hero{position:relative;overflow:hidden;padding:68px 0 84px;background:linear-gradient(180deg,#fff 0%,#f4faff 100%)}
.hero::after{content:"";position:absolute;left:-5%;right:-5%;bottom:-86px;height:165px;background:var(--yellow);border-radius:50% 50% 0 0/38% 38% 0 0}
.hero-rings{position:absolute;width:520px;height:520px;border:2px solid rgba(66,170,159,.12);border-radius:50%;right:-210px;top:10px;box-shadow:0 0 0 28px rgba(66,170,159,.06),0 0 0 58px rgba(67,101,168,.04)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,.94fr) minmax(430px,1.06fr);gap:32px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;border-radius:999px;padding:8px 14px;background:#eaf5ff;color:var(--navy-deep);font-size:.76rem;font-weight:900;text-transform:uppercase;letter-spacing:.07em}
.hero h1,.section-heading h2,.passport-copy h2{font-size:clamp(2.8rem,5.5vw,4.4rem);line-height:.98;letter-spacing:-.052em;color:var(--navy-deep);margin:18px 0}
.hero h1 span{color:#eebd00}
.hero-copy>p{font-size:1.12rem;color:var(--muted);max-width:620px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0}
.btn{border:0;border-radius:999px;padding:15px 23px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:900;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--yellow);color:#133a70;box-shadow:0 12px 30px rgba(244,201,0,.28)}
.btn-secondary{background:#fff;color:var(--navy-deep);border:1px solid var(--line)}
.reassurance{display:flex;flex-wrap:wrap;gap:12px 20px;list-style:none;padding:0;margin:22px 0 0;font-size:.88rem;font-weight:800;color:#315b82}
.reassurance li::before{content:'✓';display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e3f8f3;color:#177a71;margin-right:8px}
.hero-visual{position:relative;min-height:560px;display:grid;place-items:center}
.hero-disc{position:absolute;width:min(92%,500px);aspect-ratio:1;border-radius:50%;background:linear-gradient(145deg,#e2f6ff,#fff);box-shadow:inset 0 0 0 1px rgba(67,101,168,.07)}
.hero-visual>img{position:relative;z-index:2;width:min(100%,650px);height:auto;object-fit:contain;display:block;filter:drop-shadow(0 28px 30px rgba(22,58,103,.17))}
.hero-chip{position:absolute;z-index:3;right:0;top:70px;background:#fff;border-radius:22px;padding:13px 17px;display:flex;align-items:center;gap:11px;box-shadow:var(--shadow)}
.hero-chip>span{font-size:2rem}.hero-chip div{display:flex;flex-direction:column}.hero-chip small{color:var(--muted)}
.float-shape{position:absolute;z-index:3}.shape-star{left:3%;top:110px;color:var(--yellow);font-size:3rem;animation:float 3s ease-in-out infinite}.shape-dot{right:5%;bottom:105px;width:34px;height:34px;border-radius:50%;background:var(--teal);animation:float 3.4s ease-in-out infinite .5s}
@keyframes float{50%{transform:translateY(-10px) rotate(4deg)}}
.intro{padding:88px 0 44px}.section-heading{text-align:center;max-width:800px;margin:0 auto 36px}.section-heading h2{font-size:clamp(2.1rem,4.4vw,3.8rem);margin:14px 0 10px}.section-heading p{color:var(--muted);font-size:1.02rem}
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.how-card{position:relative;text-align:center;border:1px solid var(--line);border-radius:28px;padding:28px 22px;background:#fff;box-shadow:0 14px 38px rgba(24,58,104,.07)}.how-number{position:absolute;top:15px;left:15px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--navy-deep);color:#fff;font-weight:900}.how-icon{font-size:3.4rem}.how-card h3{margin:10px 0 7px}.how-card p{margin:0;color:var(--muted);font-size:.92rem}
.puzzle-section{padding:72px 0 94px;background:linear-gradient(180deg,#f8fbff,#fff)}
.game-card{border:1px solid var(--line);border-radius:34px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
.game-topbar{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;background:#f7fbff;border-bottom:1px solid var(--line)}
.difficulty,.game-tools{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.difficulty>span{font-weight:900;color:var(--navy-deep);margin-right:4px}
.level-btn,.tool-btn{border:1px solid #d8e5f2;background:#fff;border-radius:999px;padding:10px 14px;font-weight:800;font-size:.82rem;cursor:pointer;transition:.2s}.level-btn:hover,.tool-btn:hover{border-color:var(--yellow);transform:translateY(-1px)}.level-btn.is-active{background:var(--navy-deep);color:#fff;border-color:var(--navy-deep)}.tool-btn span{margin-right:5px}
.game-progress{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:20px;padding:17px 22px;background:#fff}.progress-label{display:flex;flex-direction:column;min-width:180px}.progress-label span{font-size:.79rem;color:var(--muted)}.progress-track{height:12px;border-radius:999px;background:#e4edf6;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--yellow));transition:width .35s ease}
.game-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:24px;padding:24px;background:#fff}
.board-panel,.tray-panel{min-width:0}.board-wrap{position:relative;width:100%;max-width:680px;margin-inline:auto}.puzzle-board{position:relative;display:grid;aspect-ratio:1;border-radius:26px;overflow:hidden;background:#edf5fb;border:8px solid #fff;box-shadow:0 0 0 1px #dbe7f3,0 18px 45px rgba(22,58,103,.12)}.board-reference{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.075;pointer-events:none}.board-cell{position:relative;z-index:1;border:1px dashed rgba(35,50,89,.16);display:grid;place-items:center;min-width:0;min-height:0;transition:background .2s}.board-cell.is-hover{background:rgba(244,201,0,.22)}.board-cell.is-correct{border-style:solid;border-color:rgba(255,255,255,.35)}
.puzzle-piece{position:relative;border:0;border-radius:9px;background-repeat:no-repeat;box-shadow:0 9px 18px rgba(22,58,103,.22);cursor:grab;transition:transform .18s,box-shadow .18s;touch-action:manipulation}.puzzle-piece:hover{transform:translateY(-3px);box-shadow:0 13px 24px rgba(22,58,103,.27)}.puzzle-piece:focus-visible{outline:4px solid rgba(244,201,0,.5);outline-offset:2px}.puzzle-piece.is-selected{outline:5px solid var(--yellow);outline-offset:3px;transform:translateY(-3px) scale(1.02)}.puzzle-piece.is-placed{width:100%!important;height:100%!important;border-radius:0;box-shadow:none;cursor:default;transform:none}.puzzle-piece.is-shaking{animation:shake .35s}.piece-number{position:absolute;right:5px;bottom:5px;min-width:21px;height:21px;border-radius:999px;padding:0 5px;display:grid;place-items:center;background:rgba(35,50,89,.78);color:#fff;font-size:.64rem;font-weight:900}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.hint-overlay{position:absolute;inset:0;z-index:10;border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 0 0 8px #fff,0 0 0 9px #dbe7f3}.hint-overlay img{width:100%;height:100%;object-fit:cover;display:block}.hint-overlay::after{content:'Mira la imagen y recuerda cada detalle';position:absolute;left:50%;bottom:18px;transform:translateX(-50%);background:rgba(35,50,89,.9);color:#fff;border-radius:999px;padding:9px 16px;font-size:.78rem;font-weight:800;white-space:nowrap}.board-help{text-align:center;color:var(--muted);font-size:.84rem;margin:16px 0 0}
.tray-panel{border-radius:26px;background:#f6faff;border:1px solid #e0ebf5;padding:18px;display:flex;flex-direction:column}.tray-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}.tray-heading h3{font-size:1.25rem;margin:8px 0 0}.tray-count{font-size:.76rem;font-weight:800;color:var(--blue);background:#e8f1ff;border-radius:999px;padding:7px 10px}.piece-tray{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-content:start;min-height:370px}.piece-tray .puzzle-piece{width:100%;aspect-ratio:1}.selected-message{margin-top:auto;padding:13px 14px;border-radius:16px;background:#fff;color:var(--muted);font-size:.8rem;font-weight:700;text-align:center;border:1px solid var(--line)}
.passport-info{padding:88px 0;background:var(--navy-deep);position:relative;overflow:hidden}.passport-info::before{content:"";position:absolute;width:330px;height:330px;border-radius:50%;background:rgba(244,201,0,.13);left:-90px;top:-110px}.passport-info-card{position:relative;display:grid;grid-template-columns:minmax(320px,.8fr) minmax(0,1.2fr);gap:55px;align-items:center}.passport-visual{display:grid;place-items:center}.mini-passport{width:min(100%,390px);min-height:245px;border-radius:26px;padding:24px;background:linear-gradient(145deg,#fff9d2,#fff);color:var(--navy-deep);transform:rotate(-3deg);box-shadow:0 25px 60px rgba(0,0,0,.22);display:flex;flex-direction:column}.mini-passport-top{display:flex;justify-content:space-between;align-items:center;border-bottom:2px dashed #d8c671;padding-bottom:15px}.mini-passport-top img{width:145px}.mini-passport-top span{font-size:1.7rem;color:var(--yellow)}.mini-passport>strong{font-size:1.6rem;margin-top:22px}.mini-passport>small{color:var(--muted)}.mini-stamp{margin-top:auto;align-self:flex-end;border:3px solid var(--teal);color:var(--teal);font-size:.65rem;font-weight:900;padding:7px 10px;border-radius:8px;transform:rotate(-5deg)}.passport-copy{color:#fff}.passport-copy .eyebrow{background:rgba(255,255,255,.12);color:#ffe66a}.passport-copy h2{font-size:clamp(2.2rem,4vw,4rem);color:#fff}.passport-copy p{color:#d7e7f7;font-size:1.03rem}.passport-copy ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:24px 0 0}.passport-copy li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:9px 13px;font-size:.82rem;font-weight:800}.passport-copy li::before{content:'✓';color:#ffe66a;margin-right:7px}
.completion{position:fixed;inset:0;z-index:100;background:rgba(10,31,59,.7);backdrop-filter:blur(8px);display:grid;place-items:center;padding:18px;overflow:auto}.completion[hidden]{display:none}.completion-card{position:relative;width:min(680px,100%);background:#fff;border-radius:32px;padding:34px 34px 28px;text-align:center;box-shadow:0 35px 100px rgba(0,0,0,.34)}.modal-close{position:absolute;right:16px;top:14px;border:0;background:#eef4fa;width:36px;height:36px;border-radius:50%;font-size:1.4rem;cursor:pointer}.celebration{position:relative;height:92px;display:grid;place-items:center}.medal{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);color:#fff;font-size:2.3rem;border:8px solid #fff3a6;box-shadow:0 13px 32px rgba(244,201,0,.3)}.confetti{position:absolute;width:13px;height:25px;border-radius:4px}.c1{left:25%;top:10px;background:var(--teal);transform:rotate(18deg)}.c2{right:25%;top:6px;background:var(--purple);transform:rotate(-20deg)}.c3{left:34%;bottom:4px;background:var(--yellow);transform:rotate(-38deg)}.c4{right:34%;bottom:0;background:var(--blue);transform:rotate(32deg)}.completion-kicker{color:var(--teal);font-size:.75rem;font-weight:900;text-transform:uppercase;letter-spacing:.1em;margin:8px 0}.completion-card h2{font-size:clamp(2rem,5vw,3.25rem);line-height:1.02;color:var(--navy-deep);margin:8px 0 12px}.completion-card>p:not(.completion-kicker){color:var(--muted);max-width:560px;margin:0 auto 22px}.passport-form{text-align:left;border-top:1px solid var(--line);padding-top:20px}.passport-form>label:first-child{font-weight:800;font-size:.86rem;display:block;margin-bottom:8px}.email-row{display:grid;grid-template-columns:1fr auto;gap:10px}.email-row input{min-width:0;border:1px solid #cad9e8;border-radius:999px;padding:14px 17px;color:var(--ink);outline:none}.email-row input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(66,170,159,.13)}#emailHelp{display:block;color:var(--muted);margin:8px 4px 11px;font-size:.72rem}.consent-row{display:flex;align-items:flex-start;gap:9px;font-size:.73rem;color:var(--muted)}.consent-row input{margin-top:3px}.form-error{color:#b72b2b;font-size:.78rem;font-weight:700;min-height:20px;margin:8px 0 0}.passport-form.is-loading{opacity:.65;pointer-events:none}.passport-pass{margin-top:18px;border-radius:24px;overflow:hidden;color:#fff;text-align:left;background:linear-gradient(145deg,var(--navy-deep),var(--blue));box-shadow:0 20px 48px rgba(22,58,103,.25)}.passport-pass[hidden],.passport-form[hidden]{display:none!important}.passport-top{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.08)}.passport-top img{width:135px;filter:brightness(0) invert(1)}.passport-top span{text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;font-weight:900;color:#ffe66a}.passport-main{padding:22px 20px;display:flex;gap:15px;align-items:center}.passport-badge{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);font-size:1.6rem}.passport-main>div{display:flex;flex-direction:column}.passport-main span{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#bfe9ff}.passport-main strong{font-size:1.55rem}.passport-main small{color:#ffe66a;font-weight:800}.passport-footer{display:grid;grid-template-columns:repeat(3,1fr);background:rgba(255,255,255,.11);gap:1px}.passport-footer span{background:rgba(11,43,84,.35);padding:11px 7px;text-align:center;font-size:.66rem;font-weight:700}.completion-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:20px}
.site-footer{background:#fff;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr .6fr .9fr;gap:50px;padding-bottom:34px}.footer-brand p{max-width:430px;color:var(--muted);font-size:.88rem}.footer-column{display:flex;flex-direction:column;gap:8px;font-size:.84rem}.footer-column strong{color:var(--navy-deep);margin-bottom:4px}.footer-column a{color:var(--muted);text-decoration:none}.footer-column span{color:var(--muted)}.footer-bottom{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}
@media(max-width:960px){.site-header nav{display:none}.hero-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-copy>p{margin-inline:auto}.hero-actions,.reassurance{justify-content:center}.hero-visual{min-height:490px}.hero-chip{right:7%}.game-layout{grid-template-columns:1fr}.piece-tray{grid-template-columns:repeat(6,minmax(0,1fr));min-height:auto}.passport-info-card{grid-template-columns:1fr;text-align:center}.passport-copy ul{justify-content:center}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:720px){.container{width:min(100% - 24px,1180px)}.header-inner{height:70px}.brand img{width:145px}.back-link{font-size:.75rem;padding:8px 11px}.hero{padding:44px 0 70px}.hero-grid{gap:5px}.hero h1{font-size:clamp(2.7rem,13vw,4.1rem)}.hero-visual{min-height:390px}.hero-visual>img{width:112%;max-width:580px}.hero-chip{top:38px;right:0;padding:10px 12px}.hero-chip small{display:none}.shape-star{left:0;top:70px}.how-grid{grid-template-columns:1fr}.game-topbar{align-items:flex-start;flex-direction:column}.game-tools{width:100%}.tool-btn{flex:1}.game-progress{grid-template-columns:1fr}.game-layout{padding:14px;gap:18px}.puzzle-board{border-width:5px;border-radius:20px}.hint-overlay{border-radius:20px}.piece-tray{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.tray-panel{padding:14px}.passport-info{padding:65px 0}.mini-passport{width:min(92%,390px)}.completion-card{padding:29px 18px 24px}.email-row{grid-template-columns:1fr}.email-row .btn{width:100%}.passport-footer{grid-template-columns:1fr}.completion-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column;gap:5px}.site-footer{padding-top:45px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Correcciones visuales: piezas siempre visibles, hero sin fondo y logo fiel */
.hero-visual>img{
  object-fit:contain;
  background:transparent;
  filter:drop-shadow(0 28px 30px rgba(22,58,103,.17));
}
.piece-tray{
  background:linear-gradient(145deg,rgba(232,241,255,.72),rgba(255,249,210,.55));
  border-radius:20px;
  padding:12px;
}
.piece-tray .puzzle-piece{
  min-height:86px;
  background-color:#fff;
  border:3px solid #fff;
  box-shadow:0 8px 18px rgba(22,58,103,.23),0 0 0 1px rgba(35,50,89,.13);
  overflow:hidden;
}
.piece-tray .puzzle-piece::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:6px;
  box-shadow:inset 0 0 0 1px rgba(35,50,89,.08);
  pointer-events:none;
}
.puzzle-piece.is-placed{border:0!important;min-height:0;background-color:transparent}
.passport-top{gap:14px}
.passport-logo-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  border-radius:12px;
  padding:8px 12px;
  box-shadow:0 5px 15px rgba(0,0,0,.14);
}
.passport-top .passport-logo-wrap img{
  width:150px;
  height:auto;
  display:block;
  filter:none;
}
.mini-passport-top img{height:auto;object-fit:contain}
@media(max-width:720px){
  .piece-tray .puzzle-piece{min-height:92px}
  .passport-top{align-items:flex-start;flex-direction:column}
  .passport-top .passport-logo-wrap img{width:140px}
}