/* ==========================================================================
   Relātus Creative Studio — sistema visual
   Derivado de la presentación de marca 2026 (Helvetica Neue, hueso / tinta / verde)
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */
:root{
  --ink:        #0F0E0F;
  --ink-soft:   #171618;
  --ink-line:   #2A282B;
  --bone:       #EEE9E6;
  --bone-dim:   #DFD9D4;
  --bone-line:  #CFC7C1;
  --green:      #328066;
  --green-hi:   #40A07E;
  --abyss:      #0B1A24;

  --fs-hero:  clamp(2.6rem, 7.2vw, 6.6rem);
  --fs-h1:    clamp(2.1rem, 5.2vw, 4.4rem);
  --fs-h2:    clamp(1.7rem, 3.6vw, 3.1rem);
  --fs-h3:    clamp(1.15rem, 1.5vw, 1.45rem);
  --fs-body:  clamp(1rem, 1.05vw, 1.125rem);
  --fs-small: 0.8125rem;

  --pad:      clamp(1.5rem, 5vw, 6rem);
  --gap:      clamp(2rem, 4vw, 4.5rem);
  --maxw:     1560px;
  --ease:     cubic-bezier(.22,.61,.36,1);

  --font: "Helvetica Neue", Inter, Helvetica, "Segoe UI", Arial, sans-serif;
}

/* --- Reset -------------------------------------------------------------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0; background:var(--ink); color:var(--bone);
  font-family:var(--font); font-size:var(--fs-body); line-height:1.62;
  font-weight:400; letter-spacing:.005em;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
ul{ list-style:none; padding:0; }
button,input,textarea,select{ font:inherit; color:inherit; }
:focus-visible{ outline:2px solid var(--green-hi); outline-offset:3px; border-radius:2px; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms!important; transition-duration:.01ms!important; }
}

/* --- Utilidades --------------------------------------------------------- */
.wrap{ max-width:var(--maxw); margin-inline:auto; padding-inline:var(--pad); }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.sec{ position:relative; padding-block:clamp(4.5rem,9vw,9rem); }
.sec--ink{ background:var(--ink); color:var(--bone); }
.sec--bone{ background:var(--bone); color:var(--ink); }
.sec--abyss{ background:var(--abyss); color:var(--bone); }
.sec--flush{ padding-block:0; }

/* Marca de agua "2026" de cada lámina */
.sec__year{
  position:absolute; top:clamp(1.1rem,2.4vw,2.2rem); right:clamp(1.1rem,2.4vw,2.6rem);
  font-variant-numeric:tabular-nums;
  font-size:var(--fs-small); letter-spacing:.06em; opacity:.5; z-index:3; pointer-events:none;
}

/* Riel vertical @relatus.ec, herencia de las láminas */
/* Bajo la navegación fija, para no solaparse con el menú */
.hero .sec__year,.phero .sec__year{ top:clamp(4.6rem,9vh,6.4rem); }

.rail{
  position:fixed; left:clamp(.6rem,1.4vw,1.35rem); bottom:clamp(1.5rem,4vw,3rem);
  z-index:40; font-size:var(--fs-small); letter-spacing:.14em;
  writing-mode:vertical-rl; transform:rotate(180deg);
  color:var(--bone); mix-blend-mode:difference; opacity:.75;
  transition:opacity .3s var(--ease);
}
.rail:hover{ opacity:1; }
@media (max-width:960px){ .rail{ display:none; } }

/* --- Tipografía de marca ------------------------------------------------- */
/* Lockup de titular: línea ligera + palabra en cursiva negrita, luego línea sólida */
.hd{ font-weight:300; line-height:1.02; letter-spacing:-.018em; text-transform:uppercase; }
.hd em{ font-style:italic; font-weight:700; }
.hd b{ display:block; font-weight:700; }
.hd--hero{ font-size:var(--fs-hero); }
.hd--1{ font-size:var(--fs-h1); }
.hd--2{ font-size:var(--fs-h2); }
.hd--right{ text-align:right; }

.eyebrow{
  font-size:var(--fs-small); font-weight:500; letter-spacing:.22em;
  text-transform:uppercase; opacity:.62; margin-bottom:1.4rem;
}
.eyebrow--green{ color:var(--green-hi); opacity:1; }

.lead{ font-size:clamp(1.05rem,1.5vw,1.3rem); line-height:1.55; font-weight:300; }
.prose{ max-width:44ch; }
.prose p + p{ margin-top:1.1rem; }
.prose strong{ font-weight:700; }
.prose em{ font-style:italic; font-weight:500; }
.muted{ opacity:.72; }
.rule{ height:1px; border:0; background:currentColor; opacity:.16; margin-block:clamp(2rem,4vw,3.5rem); }

/* --- Botones ------------------------------------------------------------ */
.btn{
  display:inline-flex; align-items:center; gap:.7rem;
  padding:.95rem 1.9rem; border-radius:999px; border:1px solid transparent;
  font-size:.9375rem; font-weight:500; letter-spacing:.02em; cursor:pointer;
  transition:background .28s var(--ease), color .28s var(--ease),
             border-color .28s var(--ease), transform .28s var(--ease);
}
.btn:hover{ transform:translateY(-2px); }
.btn--green{ background:var(--green); color:#fff; }
.btn--green:hover{ background:var(--green-hi); }
.btn--ghost{ border-color:currentColor; color:inherit; }
.btn--ghost:hover{ background:var(--bone); color:var(--ink); border-color:var(--bone); }
.sec--bone .btn--ghost:hover{ background:var(--ink); color:var(--bone); border-color:var(--ink); }
.btn--solid{ background:var(--ink); color:var(--bone); }
.btn--solid:hover{ background:var(--green); color:#fff; }
.btn__arrow{ transition:transform .28s var(--ease); }
.btn:hover .btn__arrow{ transform:translateX(4px); }
.btns{ display:flex; flex-wrap:wrap; gap:.85rem; }

/* --- Navegación --------------------------------------------------------- */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:50;
  padding-block:1.1rem;
  transition:background .35s var(--ease), border-color .35s var(--ease), padding .35s var(--ease);
  border-bottom:1px solid transparent;
}
/* El contenido de la barra comparte .wrap con el resto del sitio */
.nav__bar{ display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.nav.is-stuck{
  background:rgba(15,14,15,.86); backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--ink-line); padding-block:.7rem;
}
.nav__logo img{ height:clamp(20px,2.2vw,26px); width:auto; }
.nav__list{ display:flex; align-items:center; gap:clamp(1rem,2.2vw,2.4rem); }
.nav__link{
  position:relative; font-size:.9375rem; color:var(--bone); opacity:.95;
  padding-block:.35rem; text-shadow:0 1px 10px rgba(6,12,18,.6);
  transition:opacity .25s var(--ease), color .25s var(--ease);
}
.nav__link:hover{ opacity:1; color:#fff; }
.nav__link::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--green-hi); transition:width .3s var(--ease);
}
.nav__link:hover::after,.nav__link.is-active::after{ width:100%; }
.nav__link.is-active{ opacity:1; }
.nav__cta{ padding:.6rem 1.3rem; font-size:.875rem; }
.nav__logo{ position:relative; z-index:2; }
.nav__burger{
  display:none; position:relative; z-index:2;
  width:46px; height:46px; border:0; cursor:pointer; padding:0; place-items:center;
  border-radius:50%; background:rgba(15,14,15,.55); backdrop-filter:blur(6px);
  transition:background .25s var(--ease);
}
.nav__burger:hover{ background:rgba(15,14,15,.8); }
.nav.is-open .nav__burger{ background:transparent; backdrop-filter:none; }
/* Barras centradas en el botón: al abrir convergen y giran hasta formar la X */
.nav__burger span{
  position:absolute; left:50%; top:50%; width:22px; height:1.5px;
  background:var(--bone); border-radius:1px;
  transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.nav__burger span:nth-child(1){ transform:translate(-50%,-50%) translateY(-6px); }
.nav__burger span:nth-child(2){ transform:translate(-50%,-50%); }
.nav__burger span:nth-child(3){ transform:translate(-50%,-50%) translateY(6px); }
.nav.is-open .nav__burger span:nth-child(1){ transform:translate(-50%,-50%) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2){ opacity:0; }
.nav.is-open .nav__burger span:nth-child(3){ transform:translate(-50%,-50%) rotate(-45deg); }

@media (max-width:900px){
  .nav__burger{ display:grid; }
  .nav__menu{
    position:fixed; inset:0; z-index:1; background:var(--ink);
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2rem;
    opacity:0; visibility:hidden; transition:opacity .35s var(--ease), visibility .35s;
  }
  .nav.is-open .nav__menu{ opacity:1; visibility:visible; }
  .nav__list{ flex-direction:column; gap:1.6rem; }
  .nav__link{ font-size:1.5rem; font-weight:300; letter-spacing:-.01em; }
  .nav__cta{ font-size:1rem; padding:.9rem 1.9rem; }
}

/* --- Hero --------------------------------------------------------------- */
.hero{
  position:relative; min-height:100svh; display:grid; align-items:center;
  overflow:hidden; background:var(--abyss);
}
.hero__bg{
  position:absolute; inset:0; z-index:0;
  background:url('../img/hero-ocean.webp') center/cover no-repeat;
}
.hero__bg::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,
    rgba(11,26,36,.55) 0%,
    rgba(11,22,30,.26) 34%,
    rgba(12,20,27,.44) 62%,
    rgba(13,17,22,.72) 86%,
    rgba(15,14,15,.94) 100%);
}
.hero__pulpo{
  position:absolute; z-index:1; top:-17%; left:50%; transform:translateX(-50%);
  width:min(50vw,620px); opacity:.95;
  filter:drop-shadow(0 40px 90px rgba(0,0,0,.7));
  -webkit-mask-image:linear-gradient(180deg,#000 58%,rgba(0,0,0,.35) 82%,transparent 97%);
          mask-image:linear-gradient(180deg,#000 58%,rgba(0,0,0,.35) 82%,transparent 97%);
  animation:flotar 13s ease-in-out infinite;
}
@keyframes flotar{
  0%,100%{ transform:translate(-50%,0) rotate(0deg); }
  50%    { transform:translate(-50%,26px) rotate(-1.1deg); }
}
.hero__inner{
  position:relative; z-index:2; width:100%; isolation:isolate;
  display:grid; justify-items:center; text-align:center; gap:1.5rem;
  padding-block:clamp(9rem,22vh,14rem) clamp(7rem,14vh,9rem);
}
.hero__tag{
  font-size:clamp(1.9rem,4.6vw,4.1rem); font-weight:300; letter-spacing:-.02em;
  text-transform:uppercase; max-width:16ch; line-height:1.04;
  text-shadow:0 2px 26px rgba(6,12,18,.72), 0 1px 3px rgba(6,12,18,.5);
}
.hero__tag b{ font-weight:700; }
.hero__inner .eyebrow{
  margin-bottom:0; opacity:1; font-weight:500; letter-spacing:.34em;
  color:var(--bone); text-shadow:0 2px 14px rgba(0,0,0,.75);
}
.hero__claim{
  max-width:52ch; opacity:.86; font-weight:300; font-size:1rem;
  text-shadow:0 1px 16px rgba(6,12,18,.8);
}
.hero__bar{
  position:absolute; z-index:2; left:0; right:0; bottom:0;
  display:flex; justify-content:center; flex-wrap:wrap;
  border-top:1px solid rgba(238,233,230,.16);
}
.hero__bar span{
  padding:1.05rem clamp(.9rem,2.4vw,2.2rem);
  font-size:clamp(.7rem,1.05vw,.9375rem); letter-spacing:.09em; text-transform:uppercase;
  border-left:1px solid rgba(238,233,230,.16);
}
.hero__bar span:first-child{ border-left:0; }
.hero__scroll{
  position:absolute; z-index:3; left:50%; bottom:5.2rem; transform:translateX(-50%);
  width:1px; height:52px; background:linear-gradient(var(--bone),transparent);
  opacity:.5; animation:caer 2.4s ease-in-out infinite;
}
@keyframes caer{ 0%,100%{ transform:translate(-50%,0); opacity:.5; } 50%{ transform:translate(-50%,10px); opacity:.15; } }
@media (max-width:700px){
  .hero__bar span{ padding-block:.8rem; }
  .hero__bar{ padding-right:4.5rem; }
  .hero__pulpo{ top:-4%; width:112vw; }
  .hero__scroll{ display:none; }
}

/* --- Encabezado de página interior -------------------------------------- */
.phero{
  position:relative; min-height:clamp(58vh,64vh,70vh); display:grid; align-items:start;
  overflow:hidden; background:var(--ink); padding-bottom:clamp(3.5rem,7vw,6rem);
}
.phero__bg{ position:absolute; inset:0; z-index:0; opacity:.5; }
.phero__bg img{ width:100%; height:100%; object-fit:cover; }
.phero__bg::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(15,14,15,.9) 0%,rgba(15,14,15,.45) 45%,var(--ink) 100%);
}
.phero__inner{ position:relative; z-index:1; width:100%; padding-top:clamp(8.5rem,19vh,11.5rem); }
.phero .hd{ max-width:24ch; }
.phero .lead{ max-width:52ch; margin-top:1.6rem; }

/* --- Sección partida con curva (firma de la marca) ----------------------- */
.split{ position:relative; }
.split__grid{
  display:grid; grid-template-columns:1fr 1fr;
  min-height:min(92vh,860px);
}
.split__media{ position:relative; overflow:hidden; background:var(--abyss); }
.split__media img{ width:100%; height:100%; object-fit:cover; }
.split__curve{ position:absolute; inset:0; width:100%; height:100%; z-index:2; }
/* La columna de texto llega hasta el borde de pantalla, así que su margen exterior
   se calcula para caer justo sobre la rejilla compartida (--maxw). */
.split__body{
  display:grid; align-content:center; gap:1.5rem;
  padding-block:clamp(3.5rem,7vw,6.5rem);
  padding-inline:var(--pad) max(var(--pad),calc(100% - var(--maxw)/2 + var(--pad)));
}
.split--rev .split__media{ order:2; }
.split--rev .split__body{
  padding-inline:max(var(--pad),calc(100% - var(--maxw)/2 + var(--pad))) var(--pad);
}
.split--rev .split__body{ order:1; }
.split--bone{ background:var(--bone); color:var(--ink); }
.split--ink{ background:var(--ink); color:var(--bone); }
@media (max-width:900px){
  .split__grid{ grid-template-columns:1fr; min-height:0; }
  .split__body,.split--rev .split__body{ padding-inline:var(--pad); }
  .split__media{ min-height:52vh; }
  .split--rev .split__media{ order:0; }
  .split--rev .split__body{ order:1; }
  .split__curve{ display:none; }
}

/* Media recortado en círculo (lámina "La triple pasión") */
.circle-media{ position:relative; aspect-ratio:1/1; overflow:hidden; }
.circle-media img{
  width:100%; height:100%; object-fit:cover;
  clip-path:circle(50% at 50% 50%);
}
@media (max-width:900px){ .circle-media{ aspect-ratio:4/3; } }

/* --- Tarjetas de dimensiones -------------------------------------------- */
.dims{ display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr)); gap:1px; background:var(--ink-line); }
.dim{
  position:relative; background:var(--ink); padding:clamp(2rem,3.4vw,3.2rem);
  display:grid; gap:1rem; align-content:start;
  transition:background .4s var(--ease), transform .4s var(--ease);
}
.dim:hover{ background:var(--ink-soft); }
.dim__n{ font-size:var(--fs-small); letter-spacing:.2em; color:var(--green-hi); }
.dim__tit{ font-size:var(--fs-h3); font-weight:700; letter-spacing:-.01em; }
.dim__txt{ opacity:.72; font-weight:300; }
.dim::after{
  content:''; position:absolute; left:0; top:0; height:2px; width:0; background:var(--green);
  transition:width .5s var(--ease);
}
.dim:hover::after{ width:100%; }

/* --- Lista de servicios -------------------------------------------------- */
.servicios{ display:grid; grid-template-columns:1fr; max-width:min(100%,46rem); }
@media (min-width:1200px){ .servicios{ max-width:52%; } }
.servicio{
  display:flex; align-items:baseline; gap:1rem;
  padding-block:1.15rem; border-bottom:1px solid var(--bone-line);
  transition:padding-left .35s var(--ease), color .35s var(--ease);
}
.servicio:hover{ padding-left:.7rem; color:var(--green); }
.servicio__n{ font-size:var(--fs-small); opacity:.45; min-width:2.2ch; font-variant-numeric:tabular-nums; }
.servicio__t{ font-size:clamp(1rem,1.35vw,1.2rem); font-weight:500; }

/* --- Pasiones / Metodología --------------------------------------------- */
.pasiones{ display:grid; gap:clamp(1.6rem,3vw,2.4rem); }
.pasion{ display:grid; grid-template-columns:auto 1fr; gap:1.2rem; align-items:start; }
.pasion__icon{ width:30px; color:var(--green); flex:none; margin-top:.35rem; }
.pasion__tit{ font-size:var(--fs-h3); font-weight:700; margin-bottom:.35rem; }
.pasion__txt{ opacity:.75; font-weight:300; }

.metodo{ position:relative; display:grid; gap:0; counter-reset:paso; }
.paso{
  position:relative; display:grid; grid-template-columns:clamp(3rem,7vw,7rem) 1fr;
  gap:clamp(1rem,3vw,3rem); align-items:baseline;
  padding-block:clamp(1.6rem,3vw,2.4rem); border-top:1px solid var(--ink-line);
  transition:background .4s var(--ease);
}
.paso:last-child{ border-bottom:1px solid var(--ink-line); }
.paso:hover{ background:rgba(50,128,102,.07); }
.paso__n{ font-size:var(--fs-small); letter-spacing:.16em; color:var(--green-hi); }
.paso__tit{ font-size:clamp(1.4rem,3vw,2.4rem); font-weight:700; letter-spacing:-.015em; }
.paso__txt{ opacity:.72; font-weight:300; margin-top:.4rem; max-width:52ch; }

/* --- Portafolio ---------------------------------------------------------- */
.caso{ position:relative; display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:clamp(2rem,5vw,5rem); }
.caso + .caso{ margin-top:clamp(4rem,8vw,8rem); }
.caso:nth-child(even) .caso__media{ order:2; }
.caso__media{
  position:relative; border-radius:6px; overflow:hidden;
  background:linear-gradient(160deg,var(--ink-soft),#0a0a0b);
  padding:clamp(1rem,2.5vw,2.2rem);
}
.caso__media img{ width:100%; height:auto; }
.caso__body{ display:grid; gap:1.1rem; align-content:center; }
.caso__tipo{
  justify-self:start; display:inline-block; padding:.4rem 1rem; border-radius:999px;
  font-size:.75rem; letter-spacing:.14em; text-transform:uppercase; font-weight:500;
  background:rgba(50,128,102,.16); color:var(--green-hi); border:1px solid rgba(64,160,126,.35);
}
.caso__tit{ font-size:var(--fs-h2); font-weight:700; letter-spacing:-.02em; line-height:1.05; }
.caso__lead{ font-size:clamp(1.02rem,1.4vw,1.25rem); font-weight:300; font-style:italic; opacity:.9; }
.caso__txt{ opacity:.72; font-weight:300; }
.tags{ display:flex; flex-wrap:wrap; gap:.5rem; margin-top:.4rem; }
.tags li{
  font-size:.78rem; letter-spacing:.03em; padding:.32rem .8rem;
  border:1px solid var(--ink-line); border-radius:999px; opacity:.8;
}
@media (max-width:900px){
  .caso{ grid-template-columns:1fr; }
  .caso:nth-child(even) .caso__media{ order:0; }
}

/* --- Banda de cierre / CTA ---------------------------------------------- */
.band{ position:relative; overflow:hidden; background:var(--ink); }
.band__bg{ position:absolute; inset:0; z-index:0; opacity:.42; }
.band__bg img{ width:100%; height:100%; object-fit:cover; }
.band__bg::after{ content:''; position:absolute; inset:0; background:linear-gradient(90deg,var(--ink) 12%,rgba(15,14,15,.35) 100%); }
.band__inner{ position:relative; z-index:1; display:grid; gap:2rem; }
.band__hd{
  font-size:clamp(1.9rem,4.6vw,3.9rem); font-weight:300; line-height:1.06;
  letter-spacing:-.02em; text-transform:uppercase; max-width:18ch;
}
.band__hd b{ font-weight:700; }
.band__hd em{ font-style:italic; font-weight:700; border-bottom:2px solid var(--green-hi); }

/* Grabado del pulpo como ornamento */
.grabado{
  position:absolute; z-index:0; pointer-events:none; user-select:none;
  right:-4%; bottom:-12%; width:min(46vw,660px); opacity:.9;
}
@media (max-width:1199px){ .grabado{ opacity:.14; } }
.sec--ink .grabado{ filter:invert(1); opacity:.07; }
@media (max-width:900px){ .grabado{ opacity:.12; right:-24%; bottom:-8%; width:110vw; } }

/* --- Formulario ---------------------------------------------------------- */
.form{ display:grid; gap:1.15rem; }
.campo{ display:grid; gap:.45rem; }
.campo label{ font-size:var(--fs-small); letter-spacing:.1em; text-transform:uppercase; opacity:.7; }
.campo input,.campo textarea,.campo select{
  width:100%; padding:.9rem 1.05rem; background:transparent; color:inherit;
  border:1px solid var(--ink-line); border-radius:4px;
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.sec--bone .campo input,.sec--bone .campo textarea,.sec--bone .campo select{ border-color:var(--bone-line); }
.campo input:focus,.campo textarea:focus,.campo select:focus{
  outline:none; border-color:var(--green); background:rgba(50,128,102,.06);
}
.campo textarea{ min-height:150px; resize:vertical; }
.campo select{ appearance:none; background-image:linear-gradient(45deg,transparent 49%,currentColor 50%),linear-gradient(-45deg,transparent 49%,currentColor 50%); background-size:6px 6px; background-position:right 1.15rem center,right .8rem center; background-repeat:no-repeat; }
.campo--2{ display:grid; grid-template-columns:1fr 1fr; gap:1.15rem; }
@media (max-width:600px){ .campo--2{ grid-template-columns:1fr; } }
.form__nota{ font-size:var(--fs-small); opacity:.55; }
.hp{ position:absolute; left:-9999px; opacity:0; }

.aviso{ padding:1rem 1.2rem; border-radius:4px; font-size:.9375rem; border:1px solid; }
.aviso--ok{ background:rgba(50,128,102,.12); border-color:rgba(64,160,126,.45); color:var(--green-hi); }
.aviso--err{ background:rgba(190,60,60,.1); border-color:rgba(190,80,80,.45); color:#E08585; }

/* Datos de contacto */
.datos{ display:grid; gap:1.6rem; align-content:start; }
.dato__k{ font-size:var(--fs-small); letter-spacing:.14em; text-transform:uppercase; opacity:.55; margin-bottom:.3rem; }
.dato__v{ font-size:clamp(1.05rem,1.5vw,1.25rem); font-weight:500; }
.dato__v a:hover{ color:var(--green-hi); }

/* --- Pie ----------------------------------------------------------------- */
.foot{ background:var(--ink); border-top:1px solid var(--ink-line); padding-block:clamp(3rem,6vw,4.5rem) 2rem; }
.foot__top{ display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:var(--gap); align-items:start; }
.foot__iso{ width:58px; margin-bottom:1.1rem; opacity:.9; }
.foot__wordmark{ width:180px; }
.foot__claim{ max-width:34ch; opacity:.6; font-weight:300; font-size:.95rem; }
.foot__h{ font-size:var(--fs-small); letter-spacing:.16em; text-transform:uppercase; opacity:.5; margin-bottom:1rem; }
.foot__list{ display:grid; gap:.6rem; }
.foot__list a{ opacity:.78; transition:opacity .25s var(--ease), color .25s var(--ease); }
.foot__list a:hover{ opacity:1; color:var(--green-hi); }
.foot__by a{ color:var(--bone); border-bottom:1px solid rgba(238,233,230,.3); transition:color .25s var(--ease), border-color .25s var(--ease); }
.foot__by a:hover{ color:var(--green-hi); border-color:var(--green-hi); }
/* La fila inferior repite la rejilla de arriba para que cada dato caiga bajo su columna */
.foot__bot{
  display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:var(--gap);
  margin-top:clamp(2.5rem,5vw,4rem); padding-top:1.5rem;
  border-top:1px solid var(--ink-line); font-size:var(--fs-small); opacity:.5;
}
@media (max-width:840px){
  .foot__top,.foot__bot{ grid-template-columns:1fr; gap:2.5rem; }
  .foot__bot{ gap:.6rem; }
}

/* Botón flotante de WhatsApp */
.wsp-float{
  position:fixed; right:clamp(1rem,2.5vw,2rem); bottom:clamp(1rem,2.5vw,2rem); z-index:45;
  display:grid; place-items:center; width:54px; height:54px; border-radius:50%;
  background:var(--green); color:#fff; box-shadow:0 10px 30px rgba(0,0,0,.4);
  transition:transform .3s var(--ease), background .3s var(--ease);
}
.wsp-float:hover{ transform:scale(1.08); background:var(--green-hi); }
.wsp-float svg{ width:26px; height:26px; }

/* --- Revelado al hacer scroll -------------------------------------------- */
.rv{ opacity:0; transform:translateY(26px); transition:opacity .85s var(--ease), transform .85s var(--ease); }
.rv.is-in{ opacity:1; transform:none; }
.rv-d1{ transition-delay:.09s; } .rv-d2{ transition-delay:.18s; } .rv-d3{ transition-delay:.27s; }
@media (prefers-reduced-motion:reduce){ .rv{ opacity:1; transform:none; } }