/* ENERION Lityum Batarya — site stilleri */
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
section[id],article[id]{scroll-margin-top:88px}
/* Layout: sticky white header → page views switched by hash; light pages broken by black "cell" bands; chamfered corners echo the logo's cut letterforms. Single deliberate light brand look (black / red / white). */
:root{
  --ink:#111214; --ink-2:#2a2c30; --paper:#ffffff; --steel:#f2f3f4; --line:#dcdee1; --muted:#5d6168;
  --red:#e30613; --red-deep:#b8040f; --ok:#1d7a46;
  --f-display:"Saira","Arial Narrow",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --cut:14px; --max:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--paper)}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.08;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.4vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:700}
h3{font-size:1.3rem;font-weight:700}
h4{font-size:1.05rem;font-weight:600}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);font-weight:500}
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)))}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--paper);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;flex:none;border:0;background:none;padding:0;cursor:pointer}
.brand img{height:34px;width:auto;display:block}
nav.menu{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
nav.menu a{font-family:var(--f-display);font-weight:600;font-size:.95rem;text-decoration:none;padding:10px 12px;color:var(--ink-2);position:relative}
nav.menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .2s}
nav.menu a:hover::after,nav.menu a[aria-current="page"]::after{transform:scaleX(1)}
nav.menu a[aria-current="page"]{color:var(--ink)}
.burger{display:none;margin-left:auto;background:var(--ink);color:#fff;border:0;font-family:var(--f-display);font-weight:600;padding:10px 14px;cursor:pointer}
@media (max-width:960px){
  .burger{display:block}
  nav.menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:2px solid var(--ink);flex-direction:column;padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px))}
  nav.menu.open{display:flex}
  nav.menu a{padding:12px 4px;border-bottom:1px solid var(--line)}
  nav.menu a::after{display:none}
  nav.menu a[aria-current="page"]{color:var(--red)}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:1rem;padding:14px 22px;text-decoration:none;border:0;cursor:pointer;transition:background .15s,transform .15s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* sections */
section.band{padding-block:clamp(56px,8vw,96px)}
.band.steel{background:var(--steel)}
.band.dark,.on-dark{background:var(--ink);color:#fff}
.band.dark .lead{color:#b9bcc2}
.sec-head{display:grid;gap:14px;margin-bottom:40px;max-width:760px}
.view[hidden]{display:none!important}

/* hero */
.hero{padding-block:clamp(40px,6vw,80px) clamp(48px,7vw,90px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-grid>*{min-width:0}
.hero h1 em{font-style:normal;color:var(--red)}
.hero .lead{margin-top:20px}
.hero .btns{margin-top:30px}
.hero-art{width:100%;height:auto;display:block}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.chip{font-family:var(--f-mono);font-size:.78rem;padding:6px 10px;border:1px solid var(--line);color:var(--ink-2);background:var(--paper)}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-art{max-width:520px;margin:0 auto}}

/* trust strip */
.trust{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #2c2e33}
.trust div{padding:26px 22px;border-right:1px solid #2c2e33;display:grid;gap:6px}
.trust div:last-child{border-right:0}
.trust b{font-family:var(--f-display);font-size:1.15rem;font-weight:700}
.trust span{color:#b9bcc2;font-size:.93rem}
.trust i{display:block;width:28px;height:4px;background:var(--red);margin-bottom:6px}
@media (max-width:860px){.trust{grid-template-columns:1fr 1fr}.trust div:nth-child(2){border-right:0}.trust div:nth-child(-n+2){border-bottom:1px solid #2c2e33}}
@media (max-width:460px){.trust{grid-template-columns:1fr}.trust div{border-right:0;border-bottom:1px solid #2c2e33}}

/* product cards */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pcard{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.pcard .art{background:var(--steel);padding:22px;display:grid;place-items:center;aspect-ratio:4/3;max-width:100%}
.pcard .art svg{width:100%;height:100%}
.pcard .body{padding:22px;display:grid;gap:10px;flex:1;align-content:start}
.pcard .tag{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pcard p{color:var(--muted)}
.pcard .foot{padding:0 22px 22px}
.pcard .more{font-family:var(--f-display);font-weight:700;text-decoration:none;color:var(--red);display:inline-flex;gap:8px}
@media (max-width:900px){.pgrid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.pgrid{grid-template-columns:1fr}}

/* compare */
.sim-hint{display:flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:.8rem;color:var(--muted);margin-bottom:12px}
.sim-hint::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);animation:blink 1.4s steps(1) infinite;flex:none}
.sim{border:1px solid var(--line);background:var(--paper);box-shadow:0 10px 30px rgba(17,18,20,.06)}
.sim-tabs{display:grid;grid-template-columns:repeat(5,1fr);background:var(--steel);border-bottom:1px solid var(--line)}
.sim-tab{position:relative;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:center;text-align:left;padding:18px 16px 20px;border:0;border-right:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font:inherit;margin-bottom:-1px;transition:background .15s}
.sim-tab:last-child{border-right:0}
.sim-tab svg{grid-row:span 2;width:28px;height:28px;transition:color .15s,transform .2s}
.sim-tab b{font-family:var(--f-display);font-weight:700;font-size:1.02rem;color:var(--ink-2);line-height:1.2}
.sim-tab small{font-family:var(--f-mono);font-size:.72rem;color:var(--muted);font-variant-numeric:tabular-nums}
.sim-tab:hover{background:#e7e9eb}
.sim-tab:hover svg{transform:scale(1.08)}
.sim-tab[aria-selected="true"]{background:var(--paper);color:var(--red);box-shadow:inset 0 3px 0 var(--ink)}
.sim-tab[aria-selected="true"] b{color:var(--ink)}
.sim-tab .prog{position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--red)}
.sim .cmp-panel{border:0}
@media (max-width:900px){
  .sim-tab{min-width:0;grid-template-columns:1fr;justify-items:center;text-align:center;gap:4px;padding:14px 6px 16px}
  .sim-tab svg{grid-row:auto;width:24px;height:24px}
  .sim-tab b{font-size:.9rem}
  .sim-tab small{font-size:.66rem}
}
@media (max-width:640px){
  .sim-tab{padding:12px 4px 14px}
  .sim-tab b{font-size:.76rem}
  .sim-tab small{display:none}
}
.sim-ctrl{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;margin-top:14px}
.play{width:46px;height:46px;background:var(--red);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;transition:background .15s}
.play:hover{background:var(--red-deep)}
.scrub{display:grid;gap:4px;min-width:0}
.scrub input{width:100%;accent-color:var(--red);cursor:pointer;margin:0;height:24px}
.scrub .ends{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:.74rem;color:var(--muted)}
.cmp-panel{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;background:var(--paper);border:1px solid var(--line);padding:clamp(22px,4vw,40px)}
.cmp-panel>*{min-width:0}
.cmp-panel h3{font-size:1.6rem;margin-bottom:12px}
.cmp-panel p{color:var(--muted)}
.cmp-panel .verdict{margin-top:16px;padding:12px 14px;background:var(--steel);border-left:4px solid var(--red);font-weight:500;color:var(--ink)}
.chart{width:100%;height:auto;display:block}
.chart text{font-family:var(--f-body);fill:var(--ink-2)}
.note{font-size:.84rem;color:var(--muted);margin-top:14px}
@media (max-width:820px){.cmp-panel{grid-template-columns:1fr}}

/* summary table */
.tbl-wrap{overflow-x:auto;margin-top:36px;border:1px solid var(--line);background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.95rem}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-family:var(--f-display);font-weight:700;background:var(--ink);color:#fff}
thead th.hl{background:var(--red)}
tbody th{font-weight:600;width:24%}
td{font-variant-numeric:tabular-nums}
tr:last-child td,tr:last-child th{border-bottom:0}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:20px;margin-top:8px}
.calc>*{min-width:0}
.calc fieldset{border:1px solid #2c2e33;padding:20px;margin:0;display:grid;gap:14px;background:#17181b}
.calc legend{font-family:var(--f-display);font-weight:700;padding:0 6px;font-size:1.05rem}
.calc label{display:grid;gap:6px;font-size:.88rem;color:#b9bcc2}
.calc input{font-family:var(--f-mono);font-size:1rem;padding:10px 12px;border:1px solid #3a3d43;background:#0b0c0d;color:#fff;width:100%}
.calc .out{background:var(--red);color:#fff;padding:24px;display:grid;gap:16px;align-content:start}
.calc .out .big{font-family:var(--f-display);font-size:clamp(2.2rem,4vw,3rem);font-weight:800;line-height:1}
.calc .out .row{display:flex;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.35);padding-top:10px;font-size:.93rem}
.calc .out .row b{font-family:var(--f-mono);font-weight:500;white-space:nowrap}
@media (max-width:900px){.calc{grid-template-columns:1fr 1fr}.calc .out{grid-column:1/-1}}
@media (max-width:560px){.calc{grid-template-columns:1fr}}

/* chemistry */
.chem{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.chem article{border:1px solid var(--line);padding:28px;display:grid;gap:14px;align-content:start;background:var(--paper);min-width:0}
.chem .formula{font-family:var(--f-mono);font-size:.85rem;color:var(--red)}
.chem ul{margin:0;padding-left:18px;display:grid;gap:6px;color:var(--ink-2)}
.chem .use{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.meter{display:grid;grid-template-columns:130px 1fr;gap:8px 12px;align-items:center;font-size:.88rem}
.meter .track{height:8px;background:var(--steel);position:relative}
.meter .fill{position:absolute;inset:0 auto 0 0;background:var(--ink)}
.meter .fill.r{background:var(--red)}
@media (max-width:760px){.chem{grid-template-columns:1fr}}
@media (max-width:420px){.meter{grid-template-columns:1fr}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.steps li{list-style:none;padding:24px 22px 24px 0;border-top:3px solid var(--ink);display:grid;gap:8px;counter-increment:s;margin-right:20px}
.steps li::before{content:"0" counter(s);font-family:var(--f-mono);color:var(--red);font-size:.85rem}
.steps p{color:var(--muted);font-size:.95rem}
.steps{padding:0;margin:0}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps{grid-template-columns:1fr}.steps li{margin-right:0}}

/* stores */
.stores{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.store{border:1px solid var(--line);background:var(--paper);padding:22px;display:grid;gap:12px;align-content:start;text-decoration:none;transition:border-color .15s,transform .15s;min-width:0}
.store:hover{border-color:var(--ink);transform:translateY(-2px)}
.store .mark{height:52px;display:flex;align-items:center;font-family:var(--f-display);font-weight:800;font-size:1.55rem;letter-spacing:-.02em}
.store .mark img{height:36px;width:auto}
.store p{color:var(--muted);font-size:.92rem}
.store .go{font-family:var(--f-display);font-weight:700;color:var(--red)}
.store.pk{border:2px solid var(--ink);position:relative}
.store.pk .badge{position:absolute;top:-1px;right:-1px;background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;padding:4px 8px;text-transform:uppercase}
@media (max-width:900px){.stores{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.stores{grid-template-columns:1fr}}

/* page head */
.phead{background:var(--ink);color:#fff;padding-block:clamp(44px,6vw,72px);position:relative;overflow:hidden}
.phead .wrap{display:grid;gap:14px;position:relative}
.phead .lead{color:#b9bcc2}
.phead h1{max-width:22ch}
@media (min-width:641px){.phead .wrap{padding-right:max(260px,env(safe-area-inset-right,0px))}}
.phead::after{content:"";position:absolute;right:-40px;top:50%;width:280px;height:46px;background:var(--red);transform:translateY(-50%) skewX(-35deg);opacity:.95}
@media (max-width:640px){.phead::after{width:120px;height:26px;top:auto;bottom:22px;transform:skewX(-35deg)}}

/* about */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.split>*{min-width:0}
.prose{display:grid;gap:16px;max-width:62ch}
.prose p{color:var(--ink-2)}
.values{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.values div{border:1px solid var(--line);padding:20px;display:grid;gap:6px;background:var(--paper)}
.values p{color:var(--muted);font-size:.93rem}
.factbox{background:var(--steel);padding:24px;display:grid;gap:10px;font-size:.95rem}
.factbox dt{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.factbox dd{margin:0 0 8px;font-weight:500}
.pk-band{display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;border:2px solid var(--ink);padding:28px;background:var(--paper)}
.pk-band img{height:48px;width:auto}
.pk-band p{color:var(--muted)}
@media (max-width:820px){.split{grid-template-columns:1fr}.pk-band{grid-template-columns:1fr}}
@media (max-width:480px){.values{grid-template-columns:1fr}}

/* product detail */
.prod{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;padding-block:44px;border-bottom:1px solid var(--line);align-items:start}
.prod:last-child{border-bottom:0}
.prod>*{min-width:0}
.prod .art{background:var(--steel);padding:28px;aspect-ratio:1/1;max-width:100%;display:grid;place-items:center}
.prod .art svg{width:100%;height:100%}
.prod .info{display:grid;gap:16px}
.prod .info>p{color:var(--ink-2)}
.specs{display:grid;grid-template-columns:repeat(2,1fr);border-top:2px solid var(--ink)}
.specs div{padding:12px 0;border-bottom:1px solid var(--line);display:grid;gap:2px;padding-right:12px}
.specs dt{font-size:.8rem;color:var(--muted)}
.specs dd{margin:0;font-family:var(--f-mono);font-weight:500;font-variant-numeric:tabular-nums}
.warn{display:flex;gap:12px;background:#fff4f4;border:1px solid #f3c2c5;padding:14px 16px;font-size:.95rem}
.warn b{color:var(--red-deep)}
.warn svg{flex:none;margin-top:2px}
.seg{display:inline-flex;border:2px solid var(--ink)}
.seg button{font-family:var(--f-display);font-weight:700;padding:8px 16px;border:0;background:var(--paper);color:var(--ink);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.uses{display:flex;flex-wrap:wrap;gap:8px}
@media (max-width:820px){.prod{grid-template-columns:1fr}.prod .art{max-width:440px}}

/* forms */
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .full{grid-column:1/-1}
.form label{display:grid;gap:6px;font-size:.88rem;font-weight:500;color:var(--ink-2)}
.form input,.form select,.form textarea{font-family:var(--f-body);font-size:1rem;padding:12px;border:1px solid #b8bbc0;background:var(--paper);color:var(--ink);width:100%}
.form textarea{min-height:110px;resize:vertical}
.form .chk{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--muted)}
.form .chk input{width:auto;margin-top:4px}
.form .msg{grid-column:1/-1;font-size:.92rem;color:var(--ok);font-weight:500}
.linkbtn{background:none;border:0;padding:0;color:inherit;text-decoration:underline;cursor:pointer;font:inherit}
@media (max-width:560px){.form{grid-template-columns:1fr}}

/* docs */
.docs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.doc{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);padding:18px;background:var(--paper)}
.doc>*{min-width:0}
.doc .ic{width:44px;height:54px;background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:.7rem;display:grid;place-items:end center;padding-bottom:8px;clip-path:polygon(0 0,70% 0,100% 22%,100% 100%,0 100%)}
.doc .ic.r{background:var(--red)}
.doc p{color:var(--muted);font-size:.88rem}
.doc a{font-family:var(--f-display);font-weight:700;font-size:.9rem;color:var(--red);text-decoration:none;white-space:nowrap}
@media (max-width:760px){.docs{grid-template-columns:1fr}}
@media (max-width:420px){.doc{grid-template-columns:auto 1fr}.doc a{grid-column:2}}
.guides{display:grid;gap:10px}
details{border:1px solid var(--line);background:var(--paper)}
summary{cursor:pointer;padding:18px 20px;font-family:var(--f-display);font-weight:700;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--red);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details .in{padding:0 20px 20px;display:grid;gap:10px;color:var(--ink-2);max-width:75ch}
details ul{margin:0;padding-left:20px;display:grid;gap:6px}
.gloss{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gloss div{border-top:3px solid var(--ink);padding-top:12px;display:grid;gap:4px}
.gloss b{font-family:var(--f-mono);font-weight:500;color:var(--red)}
.gloss p{font-size:.92rem;color:var(--muted)}
@media (max-width:760px){.gloss{grid-template-columns:1fr 1fr}}
@media (max-width:440px){.gloss{grid-template-columns:1fr}}

/* contact */
.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px}
.contact>*{min-width:0}
.cinfo{display:grid;gap:18px;align-content:start}
.cinfo div{display:grid;gap:4px;border-bottom:1px solid var(--line);padding-bottom:16px}
.cinfo dt{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cinfo dd{margin:0;font-size:1.05rem;font-weight:500;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.copy{font-family:var(--f-mono);font-size:.75rem;border:1px solid var(--line);background:var(--paper);padding:4px 8px;cursor:pointer;color:var(--ink-2)}
@media (max-width:820px){.contact{grid-template-columns:1fr}}

/* footer */
footer.foot{background:var(--ink);color:#c9ccd1;padding-block:56px 96px;font-size:.93rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.fgrid>*{min-width:0}
.fgrid h4{color:#fff;margin-bottom:12px;font-size:1rem}
.fgrid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.fgrid a{text-decoration:none}
.fgrid a:hover{color:#fff;text-decoration:underline}
.fcontact li{display:flex;align-items:center;gap:10px;min-width:0}
.fcontact svg{flex:none;color:var(--red)}
.fcontact a{overflow-wrap:anywhere}
.fgrid img{height:30px;width:auto;margin-bottom:14px}
.fbottom{margin-top:40px;padding-top:20px;border-top:1px solid #2c2e33;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;font-size:.82rem;color:#8e929a}
@media (max-width:820px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:460px){.fgrid{grid-template-columns:1fr}}

/* floating */
.kvkk-btn{position:fixed;left:calc(16px + env(safe-area-inset-left,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:70;background:var(--ink);color:#fff;border:2px solid #fff;font-family:var(--f-display);font-weight:700;font-size:.9rem;padding:10px 14px;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.kvkk-btn:hover{background:var(--red)}
.wa-btn{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:70;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25);text-decoration:none}
.wa-btn:hover{transform:scale(1.06)}
.modal{position:fixed;inset:0;z-index:90;background:rgba(10,10,12,.6);display:grid;place-items:center;padding:16px}
.modal .box{background:var(--paper);color:var(--ink);max-width:720px;width:100%;max-height:86vh;overflow:auto;padding:clamp(22px,4vw,36px);display:grid;gap:14px;border-top:6px solid var(--red)}
.modal .box h3{font-size:1.5rem}
.modal .box h4{margin-top:6px}
.modal .box p,.modal .box li{color:var(--ink-2);font-size:.95rem}
.modal .box ul{margin:0;padding-left:20px;display:grid;gap:4px}
.modal[hidden]{display:none}
.modal .x{justify-self:end;background:var(--ink);color:#fff;border:0;font-family:var(--f-display);font-weight:700;padding:10px 16px;cursor:pointer}

/* ===== animations ===== */
@keyframes glow{0%,12%{opacity:0}30%,70%{opacity:1}88%,100%{opacity:0}}
@keyframes flow{to{stroke-dashoffset:-28}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:.15}}
@keyframes led{0%,10%{opacity:.18}25%,80%{opacity:1}95%,100%{opacity:.18}}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes pop{from{opacity:0;transform:translateY(6px) scale(.8)}to{opacity:1;transform:none}}
@keyframes lidfloat{0%,100%{transform:translateY(-6px)}50%{transform:translateY(-14px)}}
.hero-art .glow{animation:glow 3.6s ease-in-out infinite}
.hero-art .lid{animation:lidfloat 4s ease-in-out infinite}
.flow{stroke-dasharray:10 4;animation:flow .7s linear infinite}
.blink{animation:blink 1s steps(1) infinite}
.led{animation:led 3s ease-in-out infinite}
.meter.grow .fill{transform-origin:left;animation:grow 1.2s cubic-bezier(.2,.7,.2,1) both}
.equiv{display:flex;flex-wrap:wrap;gap:6px;min-height:30px}
.equiv svg{animation:pop .35s cubic-bezier(.3,1.4,.5,1) both}