/* =========================================================
   METALTHOR · Cerrajería
   Motivo único: la placa remachada del logotipo.
   ========================================================= */
:root{
  --ground:#1A1B1E;   /* fondo */
  --ink:#F2F2F0;      /* texto sobre fondo oscuro */
  --ink-dark:#1A1B1E; /* texto sobre placa */
  --muted:#A9AFB5;    /* secundario sobre oscuro */
  --steel:#A3AAB1;    /* placa del logo */
  --steel-light:#D3D6D9;
  --iron:#3A3D42;
  --deep:#2B2E33;
  --orange:#E8661C;   /* acento */

  --display:'Saira Stencil One', 'Archivo', sans-serif;
  --text:'Archivo', system-ui, sans-serif;

  --s-display:clamp(72px, 11.5vw, 184px);
  --s-h2:clamp(36px, 4.2vw, 62px);
  --s-statement:clamp(24px, 2.5vw, 36px);
  --s-body:18px;
  --s-small:16px;

  --m:clamp(16px, 4vw, 56px);       /* margen exterior */
  --r:10px;                          /* radio de la placa, único en la página */
  --gap-section:clamp(120px, 14vw, 200px);

  /* remache: un círculo en SVG repetido en las cuatro esquinas */
  --rv:12px; --ri:14px;
  --rivet-d:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Ccircle cx='6' cy='6' r='6' fill='%23000' fill-opacity='.32'/%3E%3C/svg%3E");
  --rivet-l:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Ccircle cx='6' cy='6' r='6' fill='%23fff' fill-opacity='.22'/%3E%3C/svg%3E");
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--text);font-size:var(--s-body);line-height:1.55;font-variation-settings:"wdth" 100;-webkit-tap-highlight-color:transparent;overflow-x:hidden}
img,video,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:800;line-height:1.02}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--orange);color:var(--ink-dark)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.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}
.skip{position:absolute;left:var(--m);top:-60px;z-index:50;background:var(--orange);color:var(--ink-dark);padding:10px 16px;border-radius:var(--r);font-weight:700}
.skip:focus{top:12px}
.ico{width:1.25em;height:1.25em;flex-shrink:0}

/* ---------- la placa (motivo) ---------- */
.p-steel,.p-light,.p-orange,.p-deep,.p-iron{--rc:var(--rivet-d);background-repeat:no-repeat;background-size:var(--rv) var(--rv);
  background-image:var(--rc),var(--rc),var(--rc),var(--rc);
  background-position:left var(--ri) top var(--ri), right var(--ri) top var(--ri), left var(--ri) bottom var(--ri), right var(--ri) bottom var(--ri)}
.p-steel{background-color:var(--steel);color:var(--ink-dark)}
.p-light{background-color:var(--steel-light);color:var(--ink-dark)}
.p-orange{background-color:var(--orange);color:var(--ink-dark)}
.p-deep{background-color:var(--deep);color:var(--ink);--rc:var(--rivet-l)}
.p-iron{background-color:var(--iron);color:var(--ink);--rc:var(--rivet-l)}

.plate-frame{position:relative;margin:0;overflow:hidden;border-radius:var(--r);background:var(--iron)}
.plate-frame img,.plate-frame video{width:100%;height:100%;object-fit:cover}
.plate-frame::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-repeat:no-repeat;background-size:var(--rv) var(--rv);
  background-image:var(--rivet-l),var(--rivet-l),var(--rivet-l),var(--rivet-l);
  background-position:left var(--ri) top var(--ri), right var(--ri) top var(--ri), left var(--ri) bottom var(--ri), right var(--ri) bottom var(--ri)}



/* ---------- botones: una sola forma, la placa ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:0 26px;border:0;border-radius:var(--r);
  font:700 18px/1 var(--text);text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease), background-color .18s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn--ink{background:var(--ink-dark);color:var(--ink)}
.btn--ink:hover{background:#000}
.btn--steel{background:var(--steel);color:var(--ink-dark)}
.btn--steel:hover{background:var(--steel-light)}
.btn--orange{background:var(--orange);color:var(--ink-dark)}
.btn--orange:hover{background:#F07A33}
.btn--wide{width:100%}
.btn--small{min-height:44px;font-size:16px;padding:0 18px}

/* =========================================================
   HERO · pila de placas
   ========================================================= */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;overflow:hidden;padding:0 var(--m)}
.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding-top:20px}
.topbar__logo{width:clamp(150px,13vw,200px);transition:transform .2s var(--ease)}
.topbar__logo:hover{transform:rotate(-2deg)}
.topbar__logo svg{width:100%;height:auto}
.topbar__call{justify-self:end;display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:var(--s-small);text-decoration:none;padding:10px 4px}
.topbar__call:hover span{color:var(--orange)}
.topbar__call .ico{color:var(--orange)}

.hero__title{text-align:center;margin-top:clamp(28px,5vh,64px)}
.hero h1{display:flex;flex-direction:column;align-items:center;gap:clamp(8px,1.2vw,18px)}
.hero__name{font-family:var(--display);font-weight:400;font-size:var(--s-display);line-height:.86;letter-spacing:.01em}
.hero__kind{font-size:clamp(24px,2.5vw,36px);font-weight:800;font-variation-settings:"wdth" 118;color:var(--orange);line-height:1.1}
.hero__lede{max-width:46ch;margin:22px auto 0;font-size:20px;color:var(--ink)}

.stack{position:relative;margin:clamp(36px,6vh,72px) auto 0;width:min(100%,1320px);flex-grow:1;display:flex;flex-direction:column;min-height:420px}
.stack__plate{--rv:10px;--ri:12px;display:block;height:96px;margin-bottom:-40px;border-radius:var(--r);text-decoration:none;position:relative;
  transition:transform .25s var(--ease)}
.stack__plate span{position:absolute;left:var(--x);top:14px;font-weight:800;font-size:18px;font-variation-settings:"wdth" 112;padding:2px 8px}
.stack__plate:hover{transform:translateY(-8px)}
.stack__plate:hover span{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.stack__front{--rv:14px;--ri:16px;position:relative;flex-grow:1;border-radius:var(--r) var(--r) 0 0;margin-bottom:-24px;
  display:grid;grid-template-columns:1fr minmax(0,42%);gap:32px;padding:36px 40px 56px}
.front__say{font-size:var(--s-statement);font-weight:800;font-variation-settings:"wdth" 112;line-height:1.05;max-width:16ch}
.front__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.front__video{aspect-ratio:16/9;align-self:start}

/* =========================================================
   INTRO · frase con miniaturas
   ========================================================= */
.intro{padding:var(--gap-section) var(--m) calc(var(--gap-section)*.6);display:flex;justify-content:center}
.intro__statement{max-width:34ch;font-size:var(--s-statement);font-weight:700;line-height:1.3;text-align:center;font-variation-settings:"wdth" 108}

/* =========================================================
   SERVICIOS · foto en placa + puntos
   ========================================================= */
.services{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,5vw,80px);align-items:center;background:var(--steel);color:var(--ink-dark);
  padding:clamp(80px,9vw,140px) var(--m);overflow:hidden}
.services__pic{height:78svh;max-height:820px;min-height:520px;margin-left:calc(-1 * var(--m) - 6vw);--rv:16px;--ri:20px}
.services h2{font-size:var(--s-h2);letter-spacing:-.01em}
.services__lede{margin-top:20px;max-width:46ch;font-size:20px}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 36px;margin-top:52px}
.points h3{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;line-height:1.2}
.points p{margin-top:8px;font-size:var(--s-small);line-height:1.45}
.dot{display:inline-block;width:1.05em;height:.72em;border-radius:3px;flex-shrink:0}
.c1{background:var(--orange)}.c2{background:var(--ink-dark)}.c3{background:var(--ink)}

/* =========================================================
   APERTURAS · llaves dentro, cerraduras
   ========================================================= */
.locks{padding:var(--gap-section) var(--m);display:grid;grid-template-columns:5fr 7fr;gap:clamp(40px,5vw,80px);align-items:start;max-width:1440px;margin:0 auto}
.locks__kicker{font-size:var(--s-small);font-weight:800;color:var(--orange);font-variation-settings:"wdth" 118;margin-bottom:14px}
.locks h2{font-size:var(--s-h2);max-width:12ch;letter-spacing:-.01em}
.locks__lede{margin-top:22px;font-size:20px;max-width:42ch;color:var(--ink)}
.locks__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.locks__cases{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.locks__cases li{--rv:10px;--ri:12px;border-radius:var(--r);padding:36px 34px 38px;min-height:210px;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .2s var(--ease)}
.locks__cases li:hover{transform:translateY(-4px)}
.locks__cases h3{font-size:22px;font-variation-settings:"wdth" 112;line-height:1.15}
.locks__cases p{margin-top:10px;font-size:var(--s-small);line-height:1.45;max-width:34ch}

/* =========================================================
   MATERIALES · pieza sobre la placa
   ========================================================= */
.materials{position:relative;background:var(--deep);min-height:100svh;padding:clamp(80px,9vw,140px) var(--m);display:grid;grid-template-columns:1fr;align-items:end}
.materials__stage{position:absolute;inset:0;pointer-events:none}
.materials__plate{position:absolute;left:58%;top:52%;width:min(64vh,46vw);aspect-ratio:1/1.1;transform:translate(-50%,-50%);border-radius:var(--r);
  --rv:18px;--ri:22px;--rc:var(--rivet-d);background-repeat:no-repeat;background-size:var(--rv) var(--rv);
  background-image:var(--rc),var(--rc),var(--rc),var(--rc);
  background-position:left var(--ri) top var(--ri), right var(--ri) top var(--ri), left var(--ri) bottom var(--ri), right var(--ri) bottom var(--ri);
  background-color:var(--orange);transition:background-color .3s var(--ease)}
.materials__plate[data-tone="steel"]{background-color:var(--steel)}
.materials__plate[data-tone="iron"]{background-color:#6F767D}
.materials__pic{position:absolute;left:58%;top:46%;width:min(56vh,40vw);aspect-ratio:4/3.4;transform:translate(-50%,-50%)}
.materials__pic img{position:absolute;inset:0;opacity:0;transition:opacity .3s var(--ease), transform .6s var(--ease);transform:scale(1.04)}
.materials__pic img.is-on{opacity:1;transform:scale(1)}
.materials__fact{position:absolute;left:calc(58% + min(32vh,23vw) + 32px);top:58%;width:min(300px,calc(42% - min(32vh,23vw) - 32px - var(--m)));font-size:var(--s-body);color:var(--ink)}
.materials__fact span{display:none}
.materials__fact span.is-on{display:block;animation:fact .3s var(--ease)}
@keyframes fact{from{opacity:0;transform:translateY(8px)}}
.materials__list{position:relative;z-index:1}
.materials h2{width:fit-content;font-size:var(--s-statement);color:var(--muted);font-weight:800;line-height:1.15}
.materials__names{display:flex;flex-direction:column;align-items:flex-start}
.materials__names button{all:unset;cursor:pointer;font-size:var(--s-statement);font-weight:800;line-height:1.15;color:var(--muted);transition:color .2s var(--ease), transform .2s var(--ease)}
.materials__names button:hover{color:var(--ink);transform:translateX(6px)}
.materials__names button[aria-selected="true"]{color:var(--orange)}
.materials__names button:focus-visible{outline:3px solid var(--orange);outline-offset:4px;border-radius:4px}

/* =========================================================
   PROCESO · de remaches sueltos a filas
   ========================================================= */
.process{background:var(--steel-light);color:var(--ink-dark);padding:clamp(80px,9vw,140px) var(--m)}
.process__head{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:end}
.process h2{font-size:var(--s-h2);max-width:8ch}
.process__head p{font-size:20px;max-width:40ch}
.process__fig{display:block;margin-top:56px}
.process__fig img{width:100%;height:auto}
.process__steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:40px}
.process__steps h3{font-size:20px;font-variation-settings:"wdth" 112}
.process__steps p{margin-top:10px;font-size:var(--s-body);max-width:34ch}

/* =========================================================
   PREGUNTAS · placas apiladas
   ========================================================= */
.faq{padding:var(--gap-section) var(--m) calc(var(--gap-section)*.5)}
.faq h2,.faq__stack{max-width:960px;margin-inline:auto}
.faq h2{font-size:var(--s-h2);margin-bottom:48px}
.card{--rv:10px;--ri:12px;border-radius:var(--r);margin-top:-14px;position:relative;transition:transform .2s var(--ease)}
.card:first-child{margin-top:0}
.card summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;gap:6px;padding:26px 44px 32px}
.card summary::-webkit-details-marker{display:none}
.card__topic{font-size:var(--s-small);font-weight:700;margin-left:var(--x);opacity:.85}
.card__q{font-size:20px;font-weight:800;font-variation-settings:"wdth" 108;line-height:1.2}
.card summary:hover .card__q{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:2px}
.card p{padding:0 44px 40px;max-width:calc(50ch + 88px);font-size:var(--s-body)}
.card[open] summary{padding-bottom:16px}
.card:hover{transform:translateY(-4px)}

/* =========================================================
   CONTACTO · la placa-cupón que abre WhatsApp
   ========================================================= */
.contact{padding:calc(var(--gap-section)*.5) var(--m) var(--gap-section)}
.coupon{--rv:16px;--ri:20px;max-width:1200px;margin:0 auto;border-radius:var(--r);display:grid;grid-template-columns:46fr 54fr;gap:48px;padding:clamp(40px,5vw,72px)}
.coupon__left{display:flex;flex-direction:column;gap:20px}
.coupon h2{font-size:var(--s-h2);max-width:14ch}
.coupon__left p{font-size:var(--s-body);max-width:36ch}
.coupon__call{margin-top:auto;display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:20px}
.coupon__call b{font-family:var(--display);font-weight:400;font-size:var(--s-statement);display:block;line-height:1;margin-top:4px}
.coupon__call:hover b{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px}
.coupon__form{display:flex;flex-direction:column;gap:10px;min-width:0}
.coupon__form select,.coupon__form input,.coupon__form textarea{
  width:100%;min-height:56px;padding:14px 18px;border:2px solid transparent;border-radius:var(--r);background:rgba(26,27,30,.14);color:var(--ink-dark);
  font:600 18px/1.4 var(--text);appearance:none;-webkit-appearance:none;transition:background-color .15s, border-color .15s}
.coupon__form select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231A1B1E' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center;background-size:14px;padding-right:48px}
.coupon__form textarea{resize:vertical;min-height:110px}
.coupon__form ::placeholder{color:#3d2a1e;opacity:1}
.coupon__form :is(select,input,textarea):hover{background-color:rgba(26,27,30,.2)}
.coupon__form :is(select,input,textarea):focus{outline:none;border-color:var(--ink-dark);background-color:rgba(255,255,255,.22)}
.coupon__form .btn{margin-top:6px;min-height:60px}
.coupon__privacy{margin:6px 0 0;font-size:13px;line-height:1.45;color:var(--ink-dark)}
.coupon__privacy a{color:var(--ink-dark);font-weight:700;text-underline-offset:2px}
.foot__legal{display:flex;flex-wrap:wrap;gap:8px 22px;margin-right:auto}
.foot__legal a{color:inherit;font-weight:700;text-underline-offset:3px}
.foot__legal a:hover{text-decoration-thickness:2px}

/* =========================================================
   PIE · el nombre construido en placas
   ========================================================= */
.foot{background:var(--steel);color:var(--ink-dark);padding:clamp(56px,6vw,96px) var(--m) 120px}
.foot__mark{display:flex;align-items:flex-end;gap:4px;height:34svh;min-height:220px}
.foot__mark span{--rv:10px;--ri:10px;--rc:var(--rivet-d);flex:1;height:var(--h);border-radius:var(--r);display:flex;align-items:flex-end;justify-content:center;
  font-family:var(--display);font-size:clamp(48px,9vw,150px);line-height:.9;color:var(--steel);padding-bottom:.08em;
  background-repeat:no-repeat;background-size:var(--rv) var(--rv);background-image:var(--rc),var(--rc);
  background-position:left var(--ri) top var(--ri), right var(--ri) top var(--ri);
  transition:height .5s var(--ease)}
.b-orange{background-color:var(--orange)}
.b-steel{background-color:var(--ink-dark);--rc:var(--rivet-l)!important}
.b-iron{background-color:#6F767D}
.foot__mark span:hover{height:calc(var(--h) - 6%)}
.foot__cols{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:56px}
.foot h3{font-size:var(--s-small);font-weight:800;margin-bottom:12px}
.foot li{font-size:var(--s-small);line-height:1.5;margin-bottom:8px}
.foot li a{text-decoration:none}
.foot li a:hover{text-decoration:underline}
.foot li b{font-family:var(--display);font-weight:400;font-size:var(--s-statement);line-height:1.1}
.credits{margin-top:56px;font-size:var(--s-small);line-height:1.5;max-width:75ch}
.foot__last{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:40px;font-size:var(--s-small)}

/* =========================================================
   ACCESO DIRECTO (flota: lleva sombra)
   ========================================================= */
.dock{position:fixed;right:24px;bottom:24px;z-index:40;display:flex;gap:8px;transition:transform .3s var(--ease), opacity .3s var(--ease)}
.dock a{display:inline-flex;align-items:center;gap:10px;min-height:60px;padding:0 22px;border-radius:var(--r);text-decoration:none;font-weight:800;font-size:var(--s-body);
  transition:transform .18s var(--ease)}
.dock a:hover{transform:translateY(-3px)}
.dock a:active{transform:scale(.97)}
.dock__call{display:none!important;background:var(--steel);color:var(--ink-dark)}
.dock__wa{background:var(--orange);color:var(--ink-dark)}
.dock__num{font-family:var(--display);font-weight:400;font-size:20px}
.js .dock.is-hidden{transform:translateY(140%);opacity:0;pointer-events:none}

/* =========================================================
   ENTRADAS
   ========================================================= */
.js [data-in]{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease), transform .6s var(--ease);transition-delay:var(--d,0ms)}
.js [data-in].in{opacity:1;transform:none}
.front__text,.hero__title{animation:rise .8s var(--ease) both}
.stack__plate{animation:rise .7s var(--ease) both}
.stack__plate:nth-child(1){animation-delay:.15s}.stack__plate:nth-child(2){animation-delay:.22s}
.stack__plate:nth-child(3){animation-delay:.29s}.stack__plate:nth-child(4){animation-delay:.36s}
.stack__plate:nth-child(5){animation-delay:.43s}
.stack__front{animation:rise .8s .5s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(40px)}}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .js [data-in]{opacity:1;transform:none}
}

/* =========================================================
   TRABAJOS · galería de fotos reales
   ========================================================= */
.works{padding:var(--gap-section) var(--m) calc(var(--gap-section)*.6)}
.works__head{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:end;max-width:1400px;margin:0 auto}
.works h2{font-size:var(--s-h2)}
.works__head p{font-size:20px;max-width:44ch;color:var(--muted)}
.works__filters{display:flex;flex-wrap:wrap;gap:8px;max-width:1400px;margin:44px auto 28px}
.works__filters button{font:700 var(--s-small)/1 var(--text);padding:11px 16px;border-radius:var(--r);border:2px solid var(--iron);background:transparent;color:var(--ink);cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.works__filters button:hover{border-color:var(--steel)}
.works__filters button[aria-pressed="true"]{background:var(--orange);border-color:var(--orange);color:var(--ink-dark)}
.works__grid{columns:4 260px;column-gap:14px;max-width:1400px;margin:0 auto}
.works__grid li{break-inside:avoid;margin-bottom:14px}
.works__grid li[hidden]{display:none}
.work{position:relative;display:block;width:100%;padding:0;border:0;border-radius:var(--r);overflow:hidden;background:var(--iron);cursor:zoom-in;color:var(--ink);text-align:left}
.work img{width:100%;height:auto;transition:transform .5s var(--ease)}
.work__cap{position:absolute;inset:auto 0 0 0;padding:28px 14px 12px;font-size:15px;font-weight:700;line-height:1.3;background:linear-gradient(transparent,rgba(10,10,12,.82));opacity:0;transform:translateY(6px);transition:opacity .25s var(--ease),transform .25s var(--ease)}
@media (hover:hover){.work:hover img{transform:scale(1.04)}.work:hover .work__cap{opacity:1;transform:none}}
.work:focus-visible .work__cap{opacity:1;transform:none}
@media (hover:none){.work__cap{opacity:1;transform:none;font-size:14px}}
.viewer{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;color:var(--ink)}
.viewer::backdrop{background:rgba(10,10,12,.92)}
.viewer[open]{display:grid;place-items:center;grid-template-rows:1fr auto}
.viewer img{max-width:min(92vw,1400px);max-height:82vh;width:auto;height:auto;border-radius:var(--r);align-self:end}
.viewer__cap{padding:14px var(--m) 28px;text-align:center;font-weight:700;max-width:60ch}
.viewer__btn{position:fixed;width:52px;height:52px;border-radius:var(--r);border:0;background:var(--iron);color:var(--ink);font-size:30px;line-height:1;cursor:pointer}
.viewer__btn:hover{background:var(--orange);color:var(--ink-dark)}
.viewer__close{top:16px;right:16px}
.viewer__prev{left:16px;top:50%;transform:translateY(-50%)}
.viewer__next{right:16px;top:50%;transform:translateY(-50%)}
@media (max-width:700px){
  .works{padding:96px var(--m) 72px}
  .works__head{grid-template-columns:1fr;gap:16px}
  .works__filters{flex-wrap:nowrap;overflow-x:auto;margin:32px calc(-1 * var(--m)) 20px;padding:0 var(--m);scrollbar-width:none}
  .works__filters button{white-space:nowrap}
  .works__grid{columns:2;column-gap:8px}
  .works__grid li{margin-bottom:8px}
  .viewer__prev,.viewer__next{top:auto;bottom:16px;transform:none}
}

/* =========================================================
   TABLETA
   ========================================================= */
@media (max-width: 1000px){
  .hero{min-height:auto}
  .stack{flex-grow:0;min-height:0}
  .stack__front{flex-grow:0;padding-bottom:64px}
  .services{grid-template-columns:1fr}
  .locks{grid-template-columns:minmax(0,1fr)}
  .services__pic{height:60svh;min-height:380px;width:82vw;margin-left:calc(-1 * var(--m))}
  .points{grid-template-columns:repeat(2,1fr)}
  .coupon{grid-template-columns:minmax(0,1fr)}
  .coupon__call{margin-top:8px}
  .materials{min-height:auto;display:flex;flex-direction:column;align-items:stretch;gap:40px}
  /* en tableta y móvil la placa, la foto y el texto van en flujo normal: nada se pisa */
  .materials__stage{position:relative;inset:auto;display:grid;justify-items:center;padding-top:28px}
  .materials__plate,.materials__pic{grid-area:1/1;position:relative;left:auto;top:auto;transform:none}
  .materials__plate{width:min(86vw,520px);aspect-ratio:1/.9}
  .materials__list{order:-1}
  .materials__pic{width:min(72vw,440px);align-self:start;margin-top:-28px}
  .materials__fact{grid-area:2/1;position:static;width:auto;max-width:46ch;margin:20px auto 0;text-align:center}
}

/* =========================================================
   MÓVIL
   ========================================================= */
@media (max-width: 700px){
  body{padding-bottom:84px}
  .topbar{grid-template-columns:1fr auto}
  .topbar__side{display:none}
  .topbar__logo{width:150px}
  .hero__title{text-align:left;margin-top:40px}
  .hero h1{align-items:flex-start}
  .hero__name{font-size:14.2vw}
  .hero__lede{margin-left:0;font-size:17px}
  .stack{margin-top:36px;min-height:360px}
  .stack__plate{height:84px;margin-bottom:-36px}
  .stack__plate span{font-size:16px;top:10px;left:max(34px, calc(var(--x) * .55))}
  .stack__front{padding:44px 24px 48px}
  .front__actions .btn{width:100%;white-space:normal;text-align:center;padding:12px 16px}
  .stack__front{grid-template-columns:minmax(0,1fr)}
  .front__video{display:none}
  .intro{padding:96px var(--m) 72px}
  .intro__statement{text-align:left;font-size:24px}
  .points{grid-template-columns:1fr;gap:28px}
  .locks{padding:96px var(--m)}
  .locks__actions .btn{width:100%}
  .locks__cases{grid-template-columns:1fr}
  .locks__cases li{min-height:0;padding:30px 28px 32px}
  .services__pic{height:56svh;min-height:320px}
  .materials__names{flex-direction:row;flex-wrap:wrap;gap:4px 22px}
  .materials__names button{white-space:nowrap}
  .process__head{grid-template-columns:1fr;gap:16px}
  .process__fig{margin-top:40px;display:grid;grid-template-columns:1fr}
  .process__fig img{max-width:300px;margin-inline:auto}
  .process__steps{grid-template-columns:1fr;gap:24px}
  .card summary{padding:24px 32px 26px}
  .card p{padding:0 32px 28px}
  .card__topic{margin-left:calc(var(--x) * .6)}
  .coupon{padding:48px 24px 44px;gap:28px}
  .foot__mark{height:22svh;min-height:150px;gap:3px}
  .foot__mark span{font-size:11vw}
  .foot__cols{grid-template-columns:1fr 1fr;gap:28px}
  .foot__cols > div:first-child{grid-column:1/-1}
  .dock{left:0;right:0;bottom:0;gap:0;padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:var(--ground)}
  .dock a{flex:1;justify-content:center;min-height:56px;padding:0 12px;min-width:0}
  .dock__call{display:inline-flex!important;margin-right:8px}
  .dock__num{display:none}
  .js .dock.is-hidden{transform:none;opacity:1;pointer-events:auto}
}

/* =========================================================
   MÓVILES MUY ESTRECHOS (≤360px)
   ========================================================= */
@media (max-width: 360px){
  .stack__front{padding:44px 16px 48px}
  .front__actions .btn{font-size:16px;gap:8px;padding:12px 10px;white-space:nowrap}
  .coupon{padding:48px 18px 40px}
  .coupon h2{font-size:30px}
  .dock a{font-size:16px;gap:8px}
}