/* Layout: mirror of the DTI subpage — black header band, full-bleed photo hero with white fade,
   speed-line icon strip, alternating photo/text rows, print-structure diagram, logo divider,
   partner block, machinery panel, applications mosaic, 3 steps, orange service strip, price banner, footer.
   Single deliberate light brand look (the brand's own white / black / orange). */
:root{
  --orange:#E9562C; --orange-hot:#EF4622;
  --ink:#161616; --charcoal:#2A2A2A; --paper:#FFFFFF; --nav:#F4F4F4; --sand:#F3EEE7;
  --step1:#E2E2E2; --step2:#C4C4C4; --step3:#8E8E8E; --muted:#4A4A4A; --line:#DADADA;
  --display:"Anton","Impact","Arial Narrow Bold",sans-serif;
  --label:"Barlow Condensed","Arial Narrow",sans-serif;
  --body:"Source Sans 3","Myriad Pro","Segoe UI",Arial,sans-serif;
  --wrap:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.45;margin:0;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,0px);padding-right:max(16px,0px)}
h1,h2,h3{font-family:var(--display);font-weight:400;text-transform:uppercase;line-height:.98;margin:0;text-wrap:balance}
.o{color:var(--orange)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* black header band */
.band{background:var(--ink);color:#fff}
.band .wrap{display:grid;grid-template-columns:auto 1fr;gap:10px 36px;align-items:center;padding-block:20px 18px}
.band .seal{width:120px}
.band h1{font-size:clamp(30px,4.6vw,56px)}
.band .cert{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border-top:1px solid #333;padding-top:16px;margin-top:6px}
.band .cert h2{font-size:clamp(26px,3.4vw,42px)}
.band .cert img{width:min(230px,50vw)}

/* hero */
.hero{position:relative;background:#111 url(../img/hero.jpg) 70% 50%/cover no-repeat;min-height:clamp(400px,46vw,580px);display:flex;align-items:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.86) 32%,rgba(255,255,255,.2) 56%,rgba(255,255,255,0) 72%)}
.hero .wrap{position:relative;width:100%;padding-block:40px}
.hero h2{font-size:clamp(44px,7vw,92px);max-width:9ch}
.hero p{max-width:40ch;margin:18px 0 0;font-size:15px;font-weight:600}
.hero .tech{position:absolute;top:26px;right:max(16px,0px);width:clamp(150px,22vw,260px);filter:drop-shadow(0 2px 10px rgba(0,0,0,.5))}

/* speed-line icons */
.si{display:inline-flex;align-items:center;gap:2px}
.si svg{width:58px;height:40px;fill:var(--ink);flex:none}
.si img{height:64px;width:auto}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:44px;text-align:center}
.strip figure{margin:0;display:grid;justify-items:center;gap:12px}
.strip figcaption{font:700 17px/1.05 var(--label);text-transform:uppercase;letter-spacing:.06em}

/* alternating rows */
.rows{display:grid;gap:6px}
.row{display:grid;grid-template-columns:1fr 1fr;min-height:320px}
.row .ph{background-size:cover;background-position:center;min-height:280px}
.row .tx{display:flex;flex-direction:column;justify-content:center;padding:40px clamp(20px,6vw,80px);position:relative;min-width:0}
.row .tx .si{position:absolute;top:22px;right:clamp(20px,4vw,48px);transform:scale(.8);transform-origin:top right}
.row h3{font-size:clamp(34px,4.2vw,50px)}
.row p{margin:12px 0 0;font-size:17px;max-width:44ch}
.row.flip .ph{order:2}

/* print structure */
.structure{background:var(--sand)}
.structure .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:40px;align-items:center;padding-block:60px}
.structure h2{font-size:clamp(36px,4.6vw,58px)}
.structure h2::after{content:"";display:block;width:60px;height:4px;background:var(--orange);margin-top:16px}
.structure .lead{margin:18px 0 0;font-size:17px;max-width:42ch}
.structure ol{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px;counter-reset:l}
.structure li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;font-size:15px}
.structure li::before{counter-increment:l;content:counter(l);width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:#fff;font:700 18px/1 var(--label)}
.structure li b{display:block;font:700 18px/1.1 var(--label);text-transform:uppercase;letter-spacing:.04em}
.structure .diagram{overflow-x:auto}
.structure svg.stack{width:100%;min-width:520px;height:auto;display:block}
.stack text{font-family:var(--label);font-weight:700;letter-spacing:.06em}

/* divider */
.divider{display:grid;place-items:center;padding-block:56px 20px}
.divider img{width:min(430px,80vw)}

/* partner */
.partner .wrap{padding-block:20px 60px}
.partner .head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.partner .head img.seal{width:118px}
.partner .head h2{font-size:clamp(32px,4.6vw,56px);text-align:center}
.partner .head .brands{display:grid;gap:8px;justify-items:end}
.partner .head .brands img{width:170px}
.partner .grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:36px;align-items:stretch}
.partner .copy{text-align:right;display:grid;gap:28px;align-content:start;min-width:0}
.partner .copy h3{font-size:clamp(32px,3.8vw,46px)}
.partner .copy h3 small{display:block;font-size:.66em;margin-top:4px}
.partner .copy p{margin:12px 0 0 auto;max-width:48ch}
.partner .machine{border-radius:6px;overflow:hidden;min-height:360px;background:url(../img/maquinas-3dti.jpg) center/cover}
.spec{display:inline-flex;gap:10px;align-items:center;font:700 16px/1 var(--label);letter-spacing:.06em;text-transform:uppercase;border:1.5px solid var(--ink);padding:9px 14px;border-radius:999px;justify-self:end}
.spec b{color:var(--orange)}
.panel{background:var(--ink)}
.panel img{width:100%;max-width:1600px;margin:0 auto}

/* applications mosaic */
.apps{background:var(--ink);color:#fff}
.apps .wrap{padding-block:60px}
.apps .top{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.apps h2{font-size:clamp(38px,5.4vw,66px)}
.apps .top p{margin:0;max-width:44ch;color:#d4d4d4}
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mosaic figure{margin:0;display:grid;grid-template-rows:auto 1fr;background:#1f1f1f;border-radius:6px;overflow:hidden}
.mosaic .im{aspect-ratio:4/5;max-width:100%;background-size:cover;background-position:center}
.mosaic figcaption{padding:14px 16px 18px}
.mosaic b{display:block;font:400 22px/1 var(--display);text-transform:uppercase;color:var(--orange-hot)}
.mosaic span{display:block;margin-top:6px;font-size:14px;color:#cfcfcf}

/* merch */
.merch .wrap{padding-block:56px 30px}
.merch .intro{display:grid;grid-template-columns:minmax(0,330px) 1fr;gap:30px;align-items:center}
.merch h2{font:700 clamp(28px,3vw,36px)/1 var(--label)}
.merch h2::after{content:"";display:block;width:34px;height:3px;background:var(--orange);margin-top:12px}
.merch .intro p{margin:12px 0 0;font-size:15px}
.merch .intro ul.tags{list-style:disc;margin:12px 0 0;padding-left:18px;font-size:15px;display:grid;gap:2px}
.merch ul.items{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.merch ul.items li{display:grid;justify-items:center;gap:10px;font:700 15px/1 var(--label);letter-spacing:.06em;text-transform:uppercase;text-align:center}
.merch ul.items span{width:100%;aspect-ratio:1;max-width:120px;display:grid;place-items:center;background:var(--nav);border-radius:6px}
.merch ul.items img{width:56%;height:56%;object-fit:contain}

/* 3 steps */
.steps .wrap{padding-block:46px 40px}
.steps h2{font:700 clamp(22px,2.6vw,30px)/1.15 var(--body);text-transform:none;text-align:center;margin-bottom:32px}
.steps ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps li{display:grid;gap:14px;align-content:start;min-width:0}
.steps .card{position:relative;border-radius:8px;min-height:150px;display:grid;place-items:center;padding:52px 18px 26px;text-align:center;font:600 clamp(20px,2.2vw,26px)/1.15 var(--body)}
.steps .card::before{content:attr(data-n);position:absolute;left:0;top:0;width:56px;height:40px;background:var(--orange-hot);color:#fff;display:grid;place-items:center;font:700 26px/1 var(--body);border-radius:8px 0 0 0}
.steps li:nth-child(1) .card{background:var(--step1)}
.steps li:nth-child(2) .card{background:var(--step2)}
.steps li:nth-child(3) .card{background:var(--step3)}
.steps li p{margin:0;padding:0 22px;font-size:14px;color:var(--muted)}
.steps li img{height:80px;width:auto;justify-self:center;margin-top:8px}

/* orange service strip */
.service{background:var(--orange-hot);color:#fff}
.service .wrap{display:grid;grid-template-columns:auto auto repeat(4,minmax(0,1fr));align-items:center;gap:0;padding-block:18px}
.service .cell{display:flex;align-items:center;gap:12px;padding:6px 18px;border-left:1.5px solid rgba(255,255,255,.55);font:600 15px/1.15 var(--body);text-transform:uppercase;min-width:0}
.service .cell:first-child{border:0;padding-left:0;white-space:nowrap;font:600 clamp(18px,1.9vw,24px)/1.1 var(--body)}
.service .cell svg{flex:none;width:40px;height:40px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.service .cell:first-child svg{width:64px;height:44px}
.service .pill{background:var(--charcoal);border-radius:999px;padding:12px 26px;margin-inline:18px}
.service .pill img{width:170px}

/* banner */
.promo .wrap{padding-block:40px 50px}
.promo a{display:block;max-width:1000px;margin:0 auto;border-radius:4px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.18);transition:transform .25s}
.promo a:hover{transform:translateY(-3px)}
.promo img{width:100%}

@media (prefers-reduced-motion:no-preference){
  .hero h2 span{display:inline-block;animation:rise .7s cubic-bezier(.2,.8,.2,1) both}
  .hero h2 span:nth-of-type(2){animation-delay:.08s}.hero h2 span:nth-of-type(3){animation-delay:.16s}.hero h2 span:nth-of-type(4){animation-delay:.24s}
  @keyframes rise{from{transform:translateY(18px)}to{transform:none}}
  .stack .ly{transition:transform .35s cubic-bezier(.2,.8,.2,1)}
  .diagram:hover .ly{transform:translateY(calc(var(--i) * -6px))}
  .strip .si svg{transition:transform .25s}
  .strip figure:hover .si svg{transform:translateX(-6px)}
}

@media (max-width:1000px){
  .service .wrap{grid-template-columns:1fr 1fr;gap:14px 0}
  .service .cell:first-child{grid-column:1/-1}
  .service .pill{display:none}
  .service .cell:nth-child(3),.service .cell:nth-child(5){border-left:0;padding-left:0}
}
@media (max-width:900px){
  .strip .wrap{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-template-columns:repeat(2,1fr)}
  .structure .wrap{grid-template-columns:1fr}
  .merch .intro{grid-template-columns:1fr}
  .merch ul.items{grid-template-columns:repeat(3,1fr)}
  .partner .head{grid-template-columns:auto 1fr}
  .partner .head .brands{grid-column:1/-1;justify-items:center;grid-auto-flow:column;align-items:center}
}
@media (max-width:720px){
  .band .wrap{grid-template-columns:1fr}
  .band .seal{width:84px}
  .row,.partner .grid{grid-template-columns:1fr}
  .row.flip .ph{order:0}
  .row .tx{padding:28px 20px 34px}
  .partner .copy{text-align:left}
  .partner .copy p{margin-left:0}
  .spec{justify-self:start}
  .steps ol{grid-template-columns:1fr}
  .hero{background-position:72% 50%}
  .hero::before{background:linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.8) 55%,rgba(255,255,255,.25) 100%)}
  .hero .wrap{padding-top:80px}
  .hero .tech{top:18px;width:110px}
}
@media (max-width:460px){
  .strip .wrap{gap:28px 10px}
  .si svg{width:40px}
  .si img{height:48px}
  .merch ul.items{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-template-columns:1fr 1fr;gap:10px}
  .mosaic b{font-size:18px}
  .partner .head .brands{grid-auto-flow:row}
  .service .wrap{grid-template-columns:1fr}
  .service .cell{border-left:0;padding-left:0}
}

/* ---- Contacto ---- */
[hidden]{display:none!important}
.service .cell{padding:6px 12px;font-size:14px;gap:10px}
.service .cell svg{width:32px;height:32px}
.mono{font:600 13px/1 var(--label);letter-spacing:.12em;text-transform:uppercase}
.ph-data{background:#FFF1EC;color:#B6391A;border:1.5px dashed var(--orange-hot);border-radius:3px;padding:1px 6px}

.chero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.chero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 38%,rgba(22,22,22,.55) 62%,rgba(22,22,22,.15)),url(../img/maq-dti.jpg) right 40%/58% auto no-repeat;z-index:0}
.chero .wrap{position:relative;z-index:1;padding-block:60px 54px}
.chero h1{font-size:clamp(46px,6.6vw,90px);max-width:12ch}
.chero p{margin:18px 0 0;max-width:44ch;font-size:19px;color:#dcdcdc}
.quick{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.quick a{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;border:1.5px solid rgba(255,255,255,.4);border-radius:999px;padding:11px 18px;font:700 16px/1 var(--label);letter-spacing:.06em;text-transform:uppercase;background:rgba(255,255,255,.04)}
.quick a.main{background:var(--orange-hot);border-color:var(--orange-hot)}
.quick svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.cbody .wrap{padding-block:64px;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.35fr);gap:34px;align-items:start}
.data{display:grid;gap:12px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px)}
.data h2{font-size:clamp(34px,4vw,48px);margin-bottom:6px}
.dcard{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;border:1.5px solid var(--line);border-radius:10px;padding:16px;background:#fff}
.dcard .ic{width:48px;height:48px;border-radius:10px;background:var(--ink);display:grid;place-items:center}
.dcard .ic svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.dcard small{display:block;font:700 13px/1 var(--label);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.dcard b{display:block;margin-top:5px;font-size:17px;word-break:break-word;user-select:all}
.dcard span.sub{display:block;margin-top:3px;font-size:13.5px;color:var(--muted)}
.copy{border:1.5px solid var(--ink);background:#fff;color:var(--ink);border-radius:999px;padding:7px 12px;font:700 13px/1 var(--label);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.copy.ok{background:var(--ink);color:#fff}
.hours{border-radius:10px;background:var(--nav);padding:18px}
.hours table{width:100%;border-collapse:collapse;font-size:15px;margin-top:10px}
.hours td{padding:6px 0;border-bottom:1px solid var(--line)}
.hours td:last-child{text-align:right;font-variant-numeric:tabular-nums}
.track{border-radius:10px;background:var(--orange-hot);color:#fff;padding:18px;display:grid;gap:10px}
.track b{font:400 24px/1 var(--display);text-transform:uppercase}
.track p{margin:0;font-size:15px}
.track a{color:#fff;font:700 14px/1 var(--label);letter-spacing:.08em;text-transform:uppercase;border-bottom:2px solid #fff;text-decoration:none;justify-self:start;padding-bottom:3px}
.seals{display:flex;gap:16px;align-items:center;padding:6px 2px}
.seals img{height:60px;width:auto}
.seals img+img{height:34px}

/* form */
.formbox{background:#fff;border:1.5px solid var(--ink);border-radius:12px;overflow:hidden}
.formbox .top{background:var(--ink);color:#fff;padding:22px 26px}
.formbox .top h2{font-size:clamp(30px,3.6vw,44px)}
.formbox .top p{margin:8px 0 0;color:#cfcfcf}
form.cf{padding:24px 26px 28px;display:grid;gap:22px}
fieldset{border:0;margin:0;padding:0;display:grid;gap:12px;min-width:0}
legend{font:400 22px/1 var(--display);text-transform:uppercase;padding:0;margin-bottom:12px;display:flex;gap:10px;align-items:center}
legend .n{width:30px;height:30px;border-radius:50%;background:var(--orange-hot);color:#fff;display:inline-grid;place-items:center;font:700 16px/1 var(--body)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative;cursor:pointer}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-flex;align-items:center;gap:8px;border:1.5px solid #cfcfcf;border-radius:999px;padding:10px 14px;font:700 15px/1 var(--label);letter-spacing:.05em;text-transform:uppercase;background:#fff;transition:all .15s}
.chips span svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.chips input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.chips input:focus-visible+span{outline:3px solid var(--orange);outline-offset:2px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fld{display:grid;gap:6px;min-width:0}
.fld>span{font:700 14px/1 var(--label);letter-spacing:.06em;text-transform:uppercase}
.fld>span i{font-style:normal;color:var(--orange-hot)}
.fld input,.fld select,.fld textarea{font:16px var(--body);padding:12px;border:1.5px solid #cfcfcf;border-radius:6px;background:#fff;color:var(--ink);width:100%}
.fld textarea{min-height:130px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:2px solid var(--orange);border-color:var(--orange)}
.fld .err{display:none;color:#B3261E;font-size:13.5px}
.fld.bad input,.fld.bad textarea{border-color:#B3261E}
.fld.bad .err{display:block}
.drop{border:2px dashed #cfcfcf;border-radius:8px;padding:18px;display:flex;gap:14px;align-items:center;cursor:pointer;background:var(--nav)}
.drop svg{width:34px;height:34px;flex:none;fill:none;stroke:var(--orange-hot);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.drop b{display:block;font-size:15.5px}
.drop small{color:var(--muted);font-size:13.5px}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.drop.has{border-color:var(--orange-hot);background:#FFF6F2}
.hint{margin:0;font-size:14px;color:var(--muted)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.check input{width:20px;height:20px;margin-top:1px;accent-color:var(--orange-hot)}
.submit{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--orange-hot);color:#fff;text-decoration:none;font:700 18px/1 var(--body);padding:15px 26px;border-radius:999px;border:0;cursor:pointer}
.btn svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.done{padding:40px 26px;display:grid;gap:14px;justify-items:start}
.done .ok{width:60px;height:60px;border-radius:50%;background:var(--orange-hot);display:grid;place-items:center}
.done .ok svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:3}
.done h3{font-size:40px}
.done p{margin:0;font-size:17px;max-width:52ch}
.done .sum{background:var(--nav);border-radius:8px;padding:14px 16px;font-size:15px;width:100%}
.done .sum div{display:grid;grid-template-columns:150px 1fr;gap:8px;padding:4px 0}
.done .sum div span:first-child{color:var(--muted)}
.linkbtn{background:none;border:0;color:var(--ink);font:700 15px/1 var(--label);letter-spacing:.08em;text-transform:uppercase;border-bottom:2px solid var(--orange-hot);padding:0 0 3px;cursor:pointer}

/* visit */
.visit{background:var(--sand)}
.visit .wrap{padding-block:60px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center}
.visit .pic{border-radius:10px;min-height:340px;background:url(../img/maquinas-3dti.jpg) center/cover}
.visit h2{font-size:clamp(36px,4.6vw,58px)}
.visit p{margin:14px 0 0;font-size:17px;max-width:46ch}
.visit ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.visit li{display:flex;gap:10px;align-items:center;font:700 16px/1.1 var(--label);letter-spacing:.05em;text-transform:uppercase}
.visit li::before{content:"";width:22px;height:22px;flex:none;border-radius:50%;background:var(--orange-hot) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}

@media (max-width:1000px){
  .service .wrap{grid-template-columns:1fr 1fr;gap:14px 0}
  .service .cell:first-child{grid-column:1/-1}
  .service .pill{display:none}
}
@media (max-width:900px){
  .cbody .wrap,.visit .wrap{grid-template-columns:1fr}
  .data{position:static}
  .chero::after{background:linear-gradient(180deg,rgba(22,22,22,.7),var(--ink)),url(../img/maq-dti.jpg) center/cover no-repeat}
}
@media (max-width:560px){
  .row2{grid-template-columns:1fr}
  form.cf,.formbox .top{padding-left:18px;padding-right:18px}
  .dcard{grid-template-columns:40px 1fr}
  .dcard .ic{width:40px;height:40px}
  .dcard .copy{grid-column:2;justify-self:start}
  .done .sum div{grid-template-columns:1fr}
}

/* Feedback de envío y estados en formulario de contacto */
.cf-spin {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: cf-spin 0.75s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes cf-spin {
  to { transform: rotate(360deg); }
}
.cf-alert {
  padding: 13px 18px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.45;
  margin: 10px 0;
  display: none;
}
.cf-alert.err {
  background: #fdf2f2;
  color: #9b1c1c;
  border: 1px solid #f8b4b4;
}
.cf-alert.ok {
  background: #def7ec;
  color: #03543f;
  border: 1px solid #bcf0da;
}
button.btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
}