/* ============================================================
   IEXS · Dossier — hoja de estilo compartida (páginas internas)
   ============================================================ */
:root{
  --ink:#16140f;--ink-80:#3b3830;--ink-50:#76716a;--ink-25:#b8b2a8;
  --paper:#f2ede2;--paper-2:#e8e1d2;--accent:#d8442a;--accent-deep:#b3361f;--gold:#a8842e;--line:#16140f;
  --display:'Archivo Black',sans-serif;--grotesk:'Archivo',sans-serif;--serif:'Newsreader',Georgia,serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--grotesk);background:var(--paper);color:var(--ink);line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:var(--paper)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
body::after{content:"";position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.04;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:720px){.wrap{padding:0 40px}}

/* MASTHEAD */
.masthead{border-bottom:2px solid var(--line);position:sticky;top:0;z-index:1000;background:var(--paper)}
.masthead-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
@media(min-width:720px){.masthead-inner{padding:14px 40px}}
.mh-logo{display:flex;align-items:baseline;gap:10px}
.mh-logo .logo-img{height:30px;width:auto;display:block;align-self:center}
.mh-logo b{font-family:var(--display);font-size:1.4rem;letter-spacing:-.02em;line-height:1}
.mh-logo b .s{color:var(--accent)}
.mh-logo span{font-family:var(--grotesk);font-size:.6rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-50)}
.mh-nav{display:none;gap:26px;align-items:center}
@media(min-width:940px){.mh-nav{display:flex}}
.mh-nav a{font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;transition:color .2s}
.mh-nav a:hover,.mh-nav a.active{color:var(--accent)}
.mh-cta{font-family:var(--grotesk);font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--ink);color:var(--paper);padding:10px 18px;transition:.25s}
.mh-cta:hover{background:var(--accent)}
.mh-burger{display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
@media(min-width:940px){.mh-burger{display:none}}
.mh-burger span{width:26px;height:2.5px;background:var(--ink);transition:.3s}
.mh-burger.x span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.mh-burger.x span:nth-child(2){opacity:0}
.mh-burger.x span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;top:0;background:var(--ink);z-index:999;display:flex;flex-direction:column;justify-content:center;padding:40px;transform:translateY(-100%);transition:transform .5s cubic-bezier(.76,0,.24,1)}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{font-family:var(--display);font-size:2rem;color:var(--paper);padding:12px 0;letter-spacing:-.02em;line-height:1.1;border-bottom:1px solid rgba(242,237,226,.15)}
.mobile-menu a:hover{color:var(--accent)}
.mobile-menu .mm-label{font-family:var(--grotesk);font-size:.7rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:28px}

/* HERO interno */
.svc-hero{border-bottom:2px solid var(--line);background:var(--ink);color:var(--paper)}
.svc-hero-meta{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid rgba(242,237,226,.18);font-family:var(--grotesk);font-size:.68rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:rgba(242,237,226,.55)}
@media(min-width:720px){.svc-hero-meta{padding:16px 40px}}
.svc-hero-meta .num{color:var(--accent)}
.svc-hero-body{padding:44px 20px 50px}
@media(min-width:720px){.svc-hero-body{padding:70px 40px 76px}}
.svc-kicker{display:inline-block;font-family:var(--grotesk);font-weight:800;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper);background:var(--accent);padding:7px 14px;margin-bottom:26px}
.svc-hero h1{font-family:var(--display);font-size:clamp(2.6rem,8vw,6.5rem);line-height:.92;letter-spacing:-.03em;text-transform:uppercase;max-width:16ch;margin-bottom:28px}
.svc-hero h1 .em{color:var(--accent)}
.svc-hero-lede{font-family:var(--serif);font-size:clamp(1.15rem,2.3vw,1.55rem);line-height:1.5;font-weight:380;color:rgba(242,237,226,.82);max-width:46ch;margin-bottom:34px}
.svc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{font-family:var(--grotesk);font-weight:700;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase;padding:16px 26px;text-align:center;transition:.28s;border:2px solid var(--paper);display:inline-flex;align-items:center;justify-content:center;gap:10px}
.btn-fill{background:var(--accent);color:var(--paper);border-color:var(--accent)}
.btn-fill:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-line{color:var(--paper)}
.btn-line:hover{background:var(--paper);color:var(--ink)}
.btn-back{font-family:var(--grotesk);font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:rgba(242,237,226,.6);transition:color .2s}
.btn-back:hover{color:var(--paper)}

/* strip de atributos */
.svc-strip{background:var(--accent);overflow:hidden;border-bottom:2px solid var(--line)}
.svc-strip-track{display:inline-flex;white-space:nowrap;animation:strip 32s linear infinite;padding:8px 0}
.svc-strip-track span{font-family:var(--grotesk);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--paper);padding:0 24px;display:inline-flex;align-items:center;gap:24px}
.svc-strip-track span::after{content:"／";color:rgba(242,237,226,.5)}
@keyframes strip{to{transform:translateX(-50%)}}

/* SECTION SYSTEM */
.sec{padding:60px 0;border-bottom:2px solid var(--line);position:relative}
@media(min-width:720px){.sec{padding:90px 0}}
.sec.dark{background:var(--ink);color:var(--paper)}
.sec.accent{background:var(--accent);color:var(--paper)}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:36px;flex-wrap:wrap}
.folio{font-family:var(--display);font-size:1rem;color:var(--accent);letter-spacing:-.02em}
.sec.dark .folio,.sec.accent .folio{color:var(--paper)}
.sec-kicker{font-family:var(--grotesk);font-size:.74rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-50)}
.sec.dark .sec-kicker{color:var(--ink-25)}
.sec.accent .sec-kicker{color:rgba(242,237,226,.8)}
.headline{font-family:var(--display);font-size:clamp(2rem,5.6vw,4.2rem);line-height:.96;letter-spacing:-.025em;text-transform:uppercase;margin-bottom:22px}
.headline .em{color:var(--accent)}
.sec.dark .headline .em,.sec.accent .headline .em{color:var(--paper)}
.dek{font-family:var(--serif);font-size:clamp(1.05rem,1.9vw,1.3rem);line-height:1.5;font-weight:380;color:var(--ink-80);max-width:56ch}
.sec.dark .dek{color:rgba(242,237,226,.72)}
.sec.accent .dek{color:rgba(242,237,226,.92)}
.pull{font-family:var(--serif);font-size:clamp(1.4rem,3.2vw,2.3rem);line-height:1.3;font-weight:400;max-width:26ch;margin:0 0 28px}
.pull em{font-style:italic;color:var(--accent)}
.sec.dark .pull em{color:var(--paper)}

/* grid de bloques (qué compra, síntomas, momentos) */
.blocks{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:2px solid var(--line);margin-top:40px}
@media(min-width:720px){.blocks.cols-2{grid-template-columns:1fr 1fr}.blocks.cols-4{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.blocks.cols-4{grid-template-columns:repeat(4,1fr)}}
.block{background:var(--paper);padding:30px 26px}
.sec.dark .block{background:var(--ink)}
.block h4{font-family:var(--display);font-size:1.15rem;line-height:1.05;letter-spacing:-.01em;text-transform:uppercase;margin-bottom:14px}
.block p{font-family:var(--serif);font-size:1rem;line-height:1.5;color:var(--ink-80)}
.sec.dark .block p{color:rgba(242,237,226,.7)}

/* pasos numerados */
.steps{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:2px solid var(--line);margin-top:40px}
@media(min-width:720px){.steps.s3{grid-template-columns:repeat(3,1fr)}.steps.s4{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.steps.s4{grid-template-columns:repeat(4,1fr)}}
.step{background:var(--paper);padding:30px 26px}
.sec.dark .step{background:var(--ink)}
.step-n{font-family:var(--display);font-size:2.4rem;line-height:.9;color:var(--accent);letter-spacing:-.03em;margin-bottom:16px}
.step h4{font-family:var(--display);font-size:1.1rem;line-height:1.05;text-transform:uppercase;letter-spacing:-.01em;margin-bottom:12px}
.step p{font-family:var(--serif);font-size:.98rem;line-height:1.5;color:var(--ink-80)}
.sec.dark .step p{color:rgba(242,237,226,.7)}

/* lista con flechas (qué revisa) */
.arrow-list{list-style:none;margin-top:30px;border-top:1px solid var(--line)}
.sec.dark .arrow-list{border-color:rgba(242,237,226,.2)}
.arrow-list li{font-family:var(--serif);font-size:clamp(1.05rem,1.8vw,1.25rem);line-height:1.45;padding:20px 0 20px 34px;position:relative;border-bottom:1px solid var(--line)}
.sec.dark .arrow-list li{border-color:rgba(242,237,226,.2);color:rgba(242,237,226,.85)}
.arrow-list li::before{content:"→";position:absolute;left:0;color:var(--accent);font-family:var(--grotesk);font-weight:700}

/* incluye / no incluye */
.split{display:grid;grid-template-columns:1fr;gap:0;border:2px solid var(--line);margin-top:40px}
@media(min-width:760px){.split{grid-template-columns:1fr 1fr}}
.split-col{padding:32px 26px}
.split-col.yes{border-bottom:2px solid var(--line)}
@media(min-width:760px){.split-col.yes{border-bottom:none;border-right:2px solid var(--line)}}
.sec.dark .split-col.yes{border-color:rgba(242,237,226,.2)}
.split-col h3{font-family:var(--display);font-size:1.25rem;letter-spacing:-.01em;text-transform:uppercase;margin-bottom:20px}
.split-col .mk{color:var(--accent)}
.split-col li{list-style:none;font-family:var(--serif);font-size:1.02rem;line-height:1.45;padding:13px 0;border-top:1px solid var(--ink-25);color:var(--ink-80)}
.split-col li:first-of-type{border-top:none}
.sec.dark .split-col li{border-color:rgba(242,237,226,.18);color:rgba(242,237,226,.8)}

/* caso destacado */
.case-box{border:2px solid var(--line);margin-top:40px;display:grid;grid-template-columns:1fr}
@media(min-width:820px){.case-box{grid-template-columns:.4fr 1.6fr}}
.case-box-tag{background:var(--accent);color:var(--paper);padding:26px;display:flex;flex-direction:column;justify-content:space-between;gap:30px}
.case-box-tag .lbl{font-family:var(--grotesk);font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.case-box-tag .big{font-family:var(--display);font-size:1.7rem;line-height:1;letter-spacing:-.02em;text-transform:uppercase}
.case-box-body{padding:30px 28px;background:var(--paper)}
.sec.dark .case-box-body{background:var(--ink)}
.case-box-body p{font-family:var(--serif);font-size:1.05rem;line-height:1.6;color:var(--ink-80);margin-bottom:14px}
.sec.dark .case-box-body p{color:rgba(242,237,226,.78)}
.case-box-body .verdict{margin-top:18px;display:inline-block;background:var(--ink);color:var(--paper);padding:12px 18px;font-family:var(--grotesk);font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.sec.dark .case-box-body .verdict{background:var(--accent)}
.case-box-body .verdict b{font-family:var(--display);color:var(--accent);letter-spacing:0}
.sec.dark .case-box-body .verdict b{color:var(--paper)}
.note{font-family:var(--serif);font-style:italic;font-size:.92rem;color:var(--ink-50);max-width:64ch;margin-top:26px}
.sec.dark .note{color:rgba(242,237,226,.5)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--line);margin-top:44px}
.sec.dark .stats{border-color:rgba(242,237,226,.25)}
.stat{padding:24px 12px;text-align:center;border-right:2px solid var(--line)}
.sec.dark .stat{border-color:rgba(242,237,226,.25)}
.stat:last-child{border-right:none}
.stat-n{font-family:var(--display);font-size:clamp(2.2rem,5vw,3.4rem);line-height:.9;letter-spacing:-.03em}
.stat-l{font-family:var(--grotesk);font-size:.64rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-50);margin-top:8px}
.sec.dark .stat-l{color:rgba(242,237,226,.55)}

/* CTA */
.cta-wrap{text-align:center;padding:14px 0}
.cta-head{font-family:var(--display);font-size:clamp(2.2rem,6.5vw,5rem);line-height:.94;letter-spacing:-.03em;text-transform:uppercase;max-width:18ch;margin:0 auto 26px}
.cta-head .em{color:var(--accent)}
.cta-sub{font-family:var(--serif);font-size:clamp(1.08rem,2vw,1.35rem);line-height:1.5;max-width:54ch;margin:0 auto 14px;color:rgba(242,237,226,.85)}
.cta-points{font-family:var(--grotesk);font-size:.92rem;color:rgba(242,237,226,.62);max-width:56ch;margin:0 auto 36px;line-height:1.9}
.cta-btn{font-family:var(--grotesk);font-weight:800;font-size:1rem;letter-spacing:.06em;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;background:var(--accent);color:var(--paper);padding:20px 40px;transition:.28s;border:2px solid var(--accent)}
.cta-btn:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.cta-alt{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.cta-alt a{font-family:var(--grotesk);font-size:.86rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--paper);border-bottom:2px solid var(--accent);padding-bottom:3px;transition:.2s}
.cta-alt a:hover{color:var(--accent)}
.cta-loc{font-family:var(--grotesk);font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(242,237,226,.5);margin-top:28px}

/* FAQ */
.faq{border-top:2px solid var(--line)}
.faq-item{border-bottom:2px solid var(--line)}
.faq-q{width:100%;background:none;border:none;cursor:pointer;text-align:left;padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-family:var(--display);font-size:clamp(1.05rem,2.4vw,1.5rem);letter-spacing:-.015em;text-transform:uppercase;line-height:1.05;color:var(--ink)}
.faq-q .pm{font-family:var(--grotesk);font-size:1.5rem;color:var(--accent);flex-shrink:0;transition:transform .3s;font-weight:400}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{font-family:var(--serif);font-size:1.06rem;line-height:1.6;color:var(--ink-80);padding:0 0 26px;max-width:66ch}

/* FOOTER */
.foot{background:var(--ink);color:rgba(242,237,226,.55);padding:48px 0 30px}
.foot-masthead{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:baseline;padding-bottom:28px;border-bottom:1px solid rgba(242,237,226,.18)}
.foot-masthead b{font-family:var(--display);color:var(--paper);font-size:1.7rem;letter-spacing:-.02em}
.foot-masthead b .s{color:var(--accent)}
.foot-masthead .fm-tag{font-family:var(--grotesk);font-size:.66rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.foot-nav{display:flex;flex-wrap:wrap;gap:20px}
.foot-nav a{font-family:var(--grotesk);font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;transition:color .2s}
.foot-nav a:hover{color:var(--paper)}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:24px;font-family:var(--grotesk);font-size:.76rem}
.foot-bottom a{color:var(--accent);font-weight:600}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}