/* =====================================================================
   isla.marketing — "Carta Náutica"
   Deep teal-ink · salt-white · golden-hour light · bathymetric contours
   ===================================================================== */

/* ---------- Tokens ---------- */
:root{
  --ink:#082A31;
  --ink-deep:#051E24;
  --ink-surface:#0E363F;
  --ink-line:rgba(232,237,233,.14);

  --paper:#ECEFEA;
  --paper-2:#E1E5DD;
  --paper-line:rgba(8,42,49,.12);

  --gold:#D8A85C;
  --gold-bright:#E8BE73;
  --aqua:#6FB6AE;

  --on-ink:#EAEFEB;
  --on-ink-mut:#94ABAE;
  --on-paper:#0A2A31;
  --on-paper-mut:#4C6469;

  --wa:#25D366;

  --font-display:"Instrument Serif",Georgia,"Times New Roman",serif;
  --font-body:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --maxw:1240px;
  --gutter:clamp(20px,5vw,72px);
  --radius:2px;

  --t-fast:.35s cubic-bezier(.2,.7,.3,1);
  --t-med:.6s cubic-bezier(.2,.7,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--on-paper);
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:none}
ul{list-style:none}
::selection{background:var(--gold);color:var(--ink-deep)}

/* ---------- Type ---------- */
.display{font-family:var(--font-display);font-weight:400;line-height:.98;letter-spacing:-.01em}
h1,h2,h3{font-family:var(--font-display);font-weight:400;line-height:1.02;letter-spacing:-.01em}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:400;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow--mut{color:var(--on-paper-mut)}
.mono{font-family:var(--font-mono);letter-spacing:.04em}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(72px,11vw,150px);position:relative}
.section--tight{padding-block:clamp(56px,8vw,96px)}
.ink{background:var(--ink);color:var(--on-ink)}
.ink-deep{background:var(--ink-deep);color:var(--on-ink)}
.lede{font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.5;color:var(--on-paper-mut);max-width:60ch}
.ink .lede,.ink-deep .lede{color:var(--on-ink-mut)}

/* skip link */
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--gold);color:var(--ink-deep);
  padding:10px 16px;border-radius:var(--radius);font-family:var(--font-mono);font-size:.8rem}
.skip:focus{left:12px}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--gold);outline-offset:3px;border-radius:1px}

/* ---------- Header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--gutter);
  transition:background var(--t-fast),padding var(--t-fast),box-shadow var(--t-fast);}
.hdr--solid{background:rgba(5,30,36,.82);backdrop-filter:blur(14px);padding-block:12px;
  box-shadow:0 1px 0 rgba(232,237,233,.08)}
.brand{display:flex;align-items:baseline;gap:.05em;font-family:var(--font-display);font-size:1.5rem;
  letter-spacing:-.01em;color:var(--on-ink)}
.brand b{font-weight:400}
.brand .dot{color:var(--gold)}
.brand .tld{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;color:var(--on-ink-mut);
  text-transform:uppercase;align-self:center;margin-left:.5em}
.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,40px)}
.nav a{font-size:.93rem;color:var(--on-ink);opacity:.82;position:relative;padding-block:4px;transition:opacity var(--t-fast)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width var(--t-fast)}
.nav a:hover{opacity:1}
.nav a:hover::after{width:100%}
.nav .nav-cta{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid rgba(232,237,233,.34);border-radius:var(--radius);padding:9px 18px;opacity:1}
.nav .nav-cta::after{display:none}
.nav .nav-cta:hover{background:var(--gold);color:var(--ink-deep);border-color:var(--gold)}
.burger{display:none;width:30px;height:18px;position:relative}
.burger span{position:absolute;left:0;height:1.5px;width:100%;background:var(--on-ink);transition:var(--t-fast)}
.burger span:nth-child(1){top:0}
.burger span:nth-child(2){top:8px}
.burger span:nth-child(3){top:16px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.7em;font-family:var(--font-mono);font-size:.8rem;
  letter-spacing:.1em;text-transform:uppercase;padding:15px 26px;border-radius:var(--radius);
  border:1px solid transparent;transition:var(--t-fast);white-space:nowrap}
.btn .arr{width:18px;height:18px;flex:none;transition:transform var(--t-fast)}
.btn:hover .arr{transform:translateX(4px)}
.btn--gold{background:var(--gold);color:var(--ink-deep)}
.btn--gold:hover{background:var(--gold-bright)}
.btn--ghost{border-color:currentColor;color:var(--on-ink)}
.btn--ghost:hover{background:rgba(232,237,233,.08)}
.btn--ink{border-color:var(--on-paper);color:var(--on-paper)}
.btn--ink:hover{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;
  background:var(--ink-deep);color:var(--on-ink);overflow:hidden;isolation:isolate}
.hero__media{position:absolute;inset:0;z-index:-2}
.hero__media img,.hero__media video{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,30,36,.55) 0%,rgba(5,30,36,.30) 38%,rgba(5,30,36,.86) 100%),
    radial-gradient(120% 90% at 75% 10%,rgba(216,168,92,.18),transparent 55%)}
.hero__fallback{position:absolute;inset:0;z-index:-3;
  background:radial-gradient(140% 110% at 70% 20%,#0E3A42 0%,#082A31 45%,#051E24 100%)}
.hero__contours{position:absolute;inset:0;z-index:-1;opacity:.5;pointer-events:none;
  mix-blend-mode:screen;mask-image:linear-gradient(180deg,transparent,#000 35%,#000 75%,transparent)}
.hero__contours svg{width:100%;height:100%;transform-origin:70% 38%;
  animation:contourbreathe 17s ease-in-out infinite}
@keyframes contourbreathe{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.045);opacity:.72}}
.hero__inner{width:100%;max-width:var(--maxw);margin-inline:auto;padding:0 var(--gutter) clamp(64px,9vh,120px)}
.hero__coord{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.hero__coord .rule{height:1px;width:54px;background:linear-gradient(90deg,var(--gold),transparent)}
.hero h1{font-size:clamp(3rem,8.4vw,8rem);max-width:16ch}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero__sub{margin-top:28px;max-width:46ch;font-size:clamp(1.08rem,1.6vw,1.35rem);color:var(--on-ink-mut);line-height:1.5}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero__scroll{position:absolute;right:var(--gutter);bottom:34px;display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--on-ink-mut);
  writing-mode:vertical-rl}
.hero__scroll .line{width:1px;height:56px;background:linear-gradient(var(--gold),transparent);animation:scrollpulse 2.4s ease-in-out infinite}
@keyframes scrollpulse{0%,100%{transform:scaleY(.4);opacity:.4;transform-origin:top}50%{transform:scaleY(1);opacity:1;transform-origin:top}}

/* ---------- Contour motif (reusable) ---------- */
.contour-path{fill:none;stroke:var(--aqua);stroke-width:1;vector-effect:non-scaling-stroke}
.contour-band{position:absolute;left:0;right:0;height:140px;pointer-events:none;opacity:.5;z-index:0}
.contour-band--top{top:-1px}
.contour-band svg{width:100%;height:100%}
.contour-band .contour-path{stroke:var(--paper-line);stroke-width:1.2}
.ink .contour-band .contour-path,.ink-deep .contour-band .contour-path{stroke:var(--ink-line)}

/* ---------- Manifesto ---------- */
.manifesto{display:grid;grid-template-columns:1fr;gap:clamp(28px,5vw,72px)}
.manifesto__lead{font-family:var(--font-display);font-size:clamp(1.9rem,4.3vw,3.6rem);line-height:1.08;
  letter-spacing:-.01em;max-width:20ch}
.manifesto__lead .mk{color:var(--gold);font-style:italic}
.manifesto__body{max-width:54ch;align-self:end}
.manifesto__body p+p{margin-top:1.1em}
@media(min-width:900px){.manifesto{grid-template-columns:1.15fr .85fr;align-items:start}}

/* ---------- Section heading ---------- */
.shead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:24px;
  margin-bottom:clamp(40px,6vw,72px)}
.shead h2{font-size:clamp(2.2rem,5vw,4rem);max-width:14ch}
.shead__meta{max-width:36ch;color:var(--on-paper-mut)}
.ink .shead__meta,.ink-deep .shead__meta{color:var(--on-ink-mut)}

/* ---------- Services (catalog) ---------- */
.svc{border-top:1px solid var(--paper-line)}
.ink .svc,.ink-deep .svc{border-top-color:var(--ink-line)}
.svc__row{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(16px,3vw,48px);
  align-items:center;padding:clamp(22px,3vw,38px) 0;border-bottom:1px solid var(--paper-line);
  position:relative;transition:padding var(--t-fast)}
.ink .svc__row,.ink-deep .svc__row{border-bottom-color:var(--ink-line)}
.svc__row::before{content:"";position:absolute;inset:0;background:var(--ink);
  transform:scaleY(0);transform-origin:bottom;transition:transform var(--t-med);z-index:-1}
.svc__no{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.1em;color:var(--gold);padding-top:.4em}
.svc__main{min-width:0}
.svc__name{font-family:var(--font-display);font-size:clamp(1.7rem,3.6vw,2.9rem);line-height:1.05;
  transition:color var(--t-fast)}
.svc__desc{margin-top:.5em;color:var(--on-paper-mut);max-width:58ch;font-size:1rem;transition:color var(--t-fast)}
.svc__tags{margin-top:1em;display:flex;flex-wrap:wrap;gap:8px}
.svc__tags span{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--on-paper-mut);border:1px solid var(--paper-line);border-radius:99px;padding:5px 11px;transition:var(--t-fast)}
.svc__go{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;
  border:1px solid var(--paper-line);color:var(--on-paper);flex:none;transition:var(--t-fast)}
.svc__go svg{width:18px;height:18px;transition:transform var(--t-fast)}
@media(hover:hover){
  .svc__row:hover::before{transform:scaleY(1)}
  .svc__row:hover{color:var(--on-ink)}
  .svc__row:hover .svc__name{color:var(--on-ink)}
  .svc__row:hover .svc__desc{color:var(--on-ink-mut)}
  .svc__row:hover .svc__tags span{color:var(--on-ink-mut);border-color:var(--ink-line)}
  .svc__row:hover .svc__go{background:var(--gold);color:var(--ink-deep);border-color:var(--gold)}
  .svc__row:hover .svc__go svg{transform:translate(2px,-2px)}
}
@media(max-width:680px){
  .svc__row{grid-template-columns:auto 1fr;gap:14px 18px}
  .svc__go{grid-column:1/-1;justify-self:start;width:46px;height:46px}
}

/* ---------- Método (process) ---------- */
.steps{display:grid;gap:1px;background:var(--ink-line);border:1px solid var(--ink-line)}
@media(min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{background:var(--ink);padding:clamp(26px,3vw,40px);min-height:230px;display:flex;flex-direction:column;
  position:relative;transition:background var(--t-fast)}
.step:hover{background:var(--ink-surface)}
.step__no{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;color:var(--gold);margin-bottom:auto}
.step h3{font-size:clamp(1.5rem,2.5vw,2rem);margin-top:46px}
.step p{margin-top:.7em;color:var(--on-ink-mut);font-size:.96rem}

/* ---------- AI / GEO block ---------- */
.ai{position:relative;overflow:hidden;isolation:isolate}
.ai__media{position:absolute;inset:0;z-index:-2}
.ai__media img{width:100%;height:100%;object-fit:cover;opacity:.34}
.ai__media::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,var(--ink-deep) 8%,rgba(5,30,36,.5) 60%,rgba(5,30,36,.2) 100%)}
.ai__grid{display:grid;gap:clamp(30px,5vw,60px);align-items:center}
@media(min-width:920px){.ai__grid{grid-template-columns:1.05fr .95fr}}
.ai h2{font-size:clamp(2.2rem,4.6vw,3.8rem);max-width:16ch}
.ai h2 em{font-style:italic;color:var(--gold)}
.ai__list{margin-top:30px;display:grid;gap:0}
.ai__list li{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--ink-line);align-items:start}
.ai__list li:last-child{border-bottom:1px solid var(--ink-line)}
.ai__list .k{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;color:var(--gold);padding-top:.35em}
.ai__list .v b{font-weight:600;font-size:1.06rem}
.ai__list .v p{color:var(--on-ink-mut);font-size:.95rem;margin-top:.2em}

/* ---------- Proof strip ---------- */
.proof{display:grid;gap:1px;background:var(--paper-line)}
@media(min-width:560px){.proof{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.proof{grid-template-columns:repeat(4,1fr)}}
.proof__cell{background:var(--paper);padding:clamp(26px,3.4vw,46px) clamp(20px,2.4vw,32px)}
.ink .proof,.ink-deep .proof{background:var(--ink-line)}
.ink .proof__cell,.ink-deep .proof__cell{background:var(--ink)}
.proof__n{font-family:var(--font-display);font-size:clamp(2.6rem,5.4vw,4.4rem);line-height:1;color:var(--gold)}
.proof__l{margin-top:.6em;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--on-paper-mut)}
.ink .proof__l,.ink-deep .proof__l{color:var(--on-ink-mut)}

/* ---------- Contact ---------- */
.contact__grid{display:grid;gap:clamp(36px,6vw,80px)}
@media(min-width:880px){.contact__grid{grid-template-columns:1fr 1fr}}
.contact h2{font-size:clamp(2.4rem,6vw,5rem);max-width:12ch}
.contact h2 em{font-style:italic;color:var(--gold)}
.contact__links{margin-top:32px;display:grid;gap:2px}
.contact__links a{display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;border-top:1px solid var(--ink-line);transition:var(--t-fast)}
.contact__links a:last-child{border-bottom:1px solid var(--ink-line)}
.contact__links .lbl{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-ink-mut)}
.contact__links .val{font-family:var(--font-display);font-size:clamp(1.2rem,2.4vw,1.8rem)}
.contact__links a:hover{padding-inline:14px}
.contact__links a:hover .val{color:var(--gold)}

.form{display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--on-ink-mut)}
.field input,.field textarea{width:100%;background:rgba(232,237,233,.04);border:1px solid var(--ink-line);
  border-radius:var(--radius);padding:14px 16px;color:var(--on-ink);font-family:var(--font-body);font-size:1rem;
  transition:var(--t-fast)}
.field input:focus,.field textarea:focus{border-color:var(--gold);background:rgba(232,237,233,.07);outline:none}
.field textarea{min-height:130px;resize:vertical}
.form .btn--gold{justify-content:center;margin-top:6px}
.form__note{font-size:.82rem;color:var(--on-ink-mut)}

/* ---------- Footer ---------- */
.foot{background:var(--ink-deep);color:var(--on-ink);padding-block:clamp(56px,7vw,90px)}
.foot__top{display:grid;gap:40px;padding-bottom:48px;border-bottom:1px solid var(--ink-line)}
@media(min-width:820px){.foot__top{grid-template-columns:1.3fr 1fr 1fr}}
.foot__brand .brand{font-size:1.8rem;margin-bottom:14px}
.foot__brand p{color:var(--on-ink-mut);max-width:34ch;font-size:.95rem}
.foot__coord{margin-top:18px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--gold)}
.foot__col h4{font-family:var(--font-mono);font-weight:400;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--on-ink-mut);margin-bottom:16px}
.foot__col ul{display:grid;gap:11px}
.foot__col a{color:var(--on-ink);opacity:.82;font-size:.95rem;transition:var(--t-fast)}
.foot__col a:hover{opacity:1;color:var(--gold)}
.foot__bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:28px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:var(--on-ink-mut)}
.foot__bot a:hover{color:var(--gold)}

/* ---------- WhatsApp float ---------- */
.wa{position:fixed;right:22px;bottom:22px;z-index:120;width:58px;height:58px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:transform var(--t-fast)}
.wa:hover{transform:translateY(-3px) scale(1.04)}
.wa svg{width:30px;height:30px;fill:#fff}
.wa::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);
  animation:wapulse 2.6s ease-out infinite}
@keyframes wapulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.8);opacity:0}}

/* =====================================================================
   Inner pages (service + legal)
   ===================================================================== */
.subhero{position:relative;background:var(--ink-deep);color:var(--on-ink);overflow:hidden;isolation:isolate;
  padding-top:clamp(140px,18vh,210px);padding-bottom:clamp(60px,9vw,110px)}
.subhero__media{position:absolute;inset:0;z-index:-2}
.subhero__media img{width:100%;height:100%;object-fit:cover;opacity:.5}
.subhero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,30,36,.8),rgba(5,30,36,.55) 50%,var(--ink-deep))}
.subhero__no{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.2em;color:var(--gold);margin-bottom:18px;display:block}
.subhero h1{font-size:clamp(2.8rem,7vw,6rem);max-width:16ch}
.subhero h1 em{font-style:italic;color:var(--gold)}
.subhero p{margin-top:24px;max-width:54ch;font-size:clamp(1.08rem,1.6vw,1.3rem);color:var(--on-ink-mut)}
.crumbs{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;color:var(--on-ink-mut);margin-bottom:26px}
.crumbs a:hover{color:var(--gold)}
.crumbs .sep{margin:0 .6em;opacity:.5}

.prose{max-width:70ch}
.prose h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin:1.4em 0 .5em}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--font-body);font-weight:600;font-size:1.12rem;margin:1.6em 0 .3em;letter-spacing:0}
.prose p{color:var(--on-paper-mut);margin-bottom:1em}
.prose p strong{color:var(--on-paper);font-weight:600}
.prose a{color:var(--on-paper);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.prose a:hover{color:var(--gold)}
.prose ul.bullets{display:grid;gap:12px;margin:1em 0 1.4em}
.prose ul.bullets li{padding-left:28px;position:relative;color:var(--on-paper-mut)}
.prose ul.bullets li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:1px;background:var(--gold)}

/* two-col layout for service body */
.svc-body{display:grid;gap:clamp(40px,6vw,80px)}
@media(min-width:920px){.svc-body{grid-template-columns:1fr 320px;align-items:start}}
.svc-aside{position:sticky;top:96px;display:grid;gap:14px}
.svc-aside .card{border:1px solid var(--paper-line);border-radius:var(--radius);padding:24px}
.svc-aside h4{font-family:var(--font-mono);font-weight:400;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--on-paper-mut);margin-bottom:14px}
.svc-aside .deliver{display:grid;gap:10px}
.svc-aside .deliver li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:.94rem;color:var(--on-paper-mut)}
.svc-aside .deliver .mono{color:var(--gold);font-size:.8rem}
.svc-aside .card--cta{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}
.svc-aside .card--cta h4{color:var(--on-ink-mut)}
.svc-aside .card--cta p{color:var(--on-ink-mut);font-size:.92rem;margin-bottom:18px}
.svc-aside .card--cta .btn{width:100%;justify-content:center}

/* related */
.related{display:grid;gap:14px}
@media(min-width:680px){.related{grid-template-columns:repeat(3,1fr)}}
.related a{border:1px solid var(--paper-line);border-radius:var(--radius);padding:24px;transition:var(--t-fast);
  display:flex;flex-direction:column;gap:8px;min-height:150px}
.related a .mono{font-size:.74rem;color:var(--gold)}
.related a .nm{font-family:var(--font-display);font-size:1.5rem;margin-top:auto}
.related a:hover{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* ---------- Responsive nav ---------- */
@media(max-width:840px){
  .burger{display:block}
  .nav{position:fixed;inset:0 0 0 auto;width:min(82vw,360px);flex-direction:column;align-items:flex-start;
    justify-content:center;gap:26px;background:var(--ink-deep);padding:40px var(--gutter);
    transform:translateX(100%);transition:transform var(--t-med);box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .nav.open{transform:none}
  .nav a{font-size:1.3rem;opacity:.92}
  .nav .nav-cta{font-size:.9rem;margin-top:10px}
  body.menu-open{overflow:hidden}
}

/* ---------- Form extras ---------- */
.form__row{display:grid;gap:18px}
@media(min-width:560px){.form__row{grid-template-columns:1fr 1fr}}
.field label .opt{text-transform:none;letter-spacing:.02em;opacity:.7}
.field input::placeholder,.field textarea::placeholder{color:var(--on-ink-mut);opacity:.55}
.field select{width:100%;background:rgba(232,237,233,.04);border:1px solid var(--ink-line);
  border-radius:var(--radius);padding:14px 44px 14px 16px;color:var(--on-ink);
  font-family:var(--font-body);font-size:1rem;transition:var(--t-fast);
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394ABAE' stroke-width='1.6'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px}
.field select:focus{border-color:var(--gold);background-color:rgba(232,237,233,.07);outline:none}
.field select option{background:var(--ink-deep);color:var(--on-ink)}
.field--hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.consent{display:flex;align-items:flex-start;gap:12px;cursor:pointer;font-size:.88rem;color:var(--on-ink-mut)}
.consent input{flex:none;width:18px;height:18px;margin-top:2px;accent-color:var(--gold);cursor:pointer}
.consent a{text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.consent a:hover{color:var(--gold)}
.form__note a{text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.form__note a:hover{color:var(--gold)}
.form__status{font-size:.92rem;min-height:1.4em}
.form__status--ok{color:var(--aqua)}
.form__status--error{color:#E8A08C}
.form .btn--gold:disabled{opacity:.7;cursor:progress}

/* ---------- Auditoría (lead magnet) ---------- */
.audit{padding-block:0}
.audit__box{background:var(--ink);color:var(--on-ink);border:1px solid var(--ink-line);
  border-radius:var(--radius);padding:clamp(32px,5vw,64px);
  display:grid;gap:clamp(26px,4vw,56px);align-items:center;position:relative;overflow:hidden;isolation:isolate}
.audit__box::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(110% 130% at 92% 8%,rgba(216,168,92,.16),transparent 55%)}
@media(min-width:880px){.audit__box{grid-template-columns:1.4fr .6fr}}
.audit__body h2{font-size:clamp(1.9rem,3.8vw,3rem);max-width:18ch}
.audit__body h2 em{font-style:italic;color:var(--gold)}
.audit__body .lede{color:var(--on-ink-mut);max-width:52ch}
.audit__cta{display:grid;gap:14px;justify-items:start}
@media(min-width:880px){.audit__cta{justify-items:end;text-align:right}}
.audit__note{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--on-ink-mut)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--paper-line);max-width:820px}
.faq__item{border-bottom:1px solid var(--paper-line)}
.faq__item summary{list-style:none;cursor:pointer;display:flex;align-items:baseline;justify-content:space-between;
  gap:20px;padding:22px 0;font-family:var(--font-display);font-size:clamp(1.25rem,2.4vw,1.7rem);
  line-height:1.15;transition:color var(--t-fast)}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";flex:none;font-family:var(--font-mono);font-size:1.1rem;color:var(--gold);
  transition:transform var(--t-fast)}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item summary:hover{color:var(--gold)}
.faq__a{padding:0 0 24px;max-width:64ch}
.faq__a p{color:var(--on-paper-mut)}

/* ---------- Guideline fixes ---------- */
main [id]{scroll-margin-top:88px}
a,button,input,select,textarea,summary{touch-action:manipulation}
html{-webkit-tap-highlight-color:transparent}
h1,h2,h3{text-wrap:balance}
.nav{overscroll-behavior:contain}
.field input:focus-visible,.field textarea:focus-visible,.field select:focus-visible{
  outline:2px solid var(--gold);outline-offset:3px}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .wa::before{display:none}
}

/* ---------- Efecto liquido (hero) ---------- */
.hero__liquid{position:absolute;inset:0;width:100%;height:100%;
  opacity:0;transition:opacity 1.4s ease;touch-action:none}
.hero--liquid .hero__liquid{opacity:1}
.hero--liquid .hero__media video{opacity:0;transition:opacity 1.4s ease}
.hero__media::after{pointer-events:none}