:root{
  --bg:#05090f;--panel:#0b121a;--line:#2c3742;--txt:#f5f7f8;--muted:#aeb7c0;
  --green:#75c817;--green2:#9bdc3d;--sprite:url('assets/gripora-sprite.webp');
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:Arial,Helvetica,sans-serif}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.header{
  height:60px;position:sticky;top:0;z-index:50;display:grid;grid-template-columns:245px 1fr 245px;
  align-items:center;padding:0 5.45vw;background:#030303;border-bottom:1px solid #202020;
}
.logo{font-size:31px;font-weight:900;letter-spacing:.02em;line-height:.85}
.logo .o{color:var(--green)}
.logo small{display:block;margin-top:6px;font-size:9px;letter-spacing:.1em;color:#d7dde2}
.logo small b{color:var(--green)}
nav{display:flex;justify-content:center;gap:36px;font-size:14px;font-weight:800}
nav a{padding:22px 0 17px;position:relative}
nav a:after{content:"";position:absolute;left:0;right:100%;bottom:10px;height:2px;background:var(--green);transition:.2s}
nav a:hover:after,nav a.active:after{right:0}
nav a.active{color:var(--green2)}
.tag{font-size:10px;letter-spacing:.12em;text-align:right;color:#cbd3da}
.tag span{color:var(--green)}
.menu{display:none;background:none;border:0;color:white;font-size:24px}

.ref-hero{height:505px;display:grid;grid-template-columns:26% repeat(4,18.5%);position:relative;overflow:hidden;background:#0b0c0c}
.ref-copy{position:relative;z-index:5;padding:47px 0 30px 3vw;overflow:hidden;background:linear-gradient(90deg,#1a1a1a 0%,#171717 70%,#111 100%)}
.ref-copy:after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(90deg,rgba(10,10,10,.95),rgba(10,10,10,.6)),var(--sprite);background-size:auto,404% 230%;background-position:center,34% 10%;background-repeat:no-repeat;opacity:.42}
.ref-biglogo{font-size:55px;font-weight:900;letter-spacing:.01em;line-height:.83;margin-bottom:34px}
.ref-biglogo>span{color:#7eae25}
.ref-biglogo small{display:block;font-size:17px;line-height:1.2;margin-top:9px;color:#85b527;letter-spacing:.02em}
.ref-biglogo small b{color:#f1f1f1}
.ref-copy h1{font-size:38px;line-height:1.28;margin:0;font-weight:900;font-style:italic;letter-spacing:-.015em;text-shadow:0 1px 1px #000}
.ref-copy h1 em{font-style:italic;color:#86b62b}
.ref-copy p{font-size:17px;line-height:1.55;color:#f0f0f0;margin:17px 0 23px}
.ref-cta{display:inline-flex;align-items:center;gap:48px;background:linear-gradient(90deg,#81b91e,#9bca2e);color:white;font-weight:900;font-size:13px;padding:14px 18px;border-radius:5px}
.ref-cta strong{font-size:28px;line-height:15px}
.ref-panel{position:relative;background-image:var(--sprite);background-size:404% 230%;background-repeat:no-repeat;clip-path:polygon(9% 0,100% 0,91% 100%,0 100%);margin-left:-1px}
.ref-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08) 10%,rgba(0,0,0,.15) 66%,rgba(0,0,0,.77) 100%)}
.ref-panel:after{content:"";position:absolute;left:7%;top:0;bottom:0;width:1px;background:#8bbf25;transform:skewX(-8deg);transform-origin:top}
.ref-panel.cycling{background-position:34% 10%}
.ref-panel.winter{background-position:56% 10%}
.ref-panel.fitness{background-position:78% 10%}
.ref-panel.player{background-position:100% 10%}
.panel-label{position:absolute;left:0;right:0;bottom:0;z-index:4;height:59px;background:rgba(4,4,4,.8);display:flex;align-items:center;justify-content:center;gap:12px;font-size:17px;font-weight:900;white-space:nowrap}
.panel-label b{font-size:28px;color:#78b90b;font-weight:400}
.winter .panel-label b{color:#2ea7ff}

.ref-categories{background:radial-gradient(circle at 50% 0,#161719 0,#07090b 45%,#050607 100%);padding:28px 9.6vw 42px}
.ref-categories h2{text-align:center;font-size:27px;margin:0 0 8px}
.ref-underline{width:58px;height:2px;background:#7fb51b;margin:0 auto 15px}
.ref-cardgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:43px}
.ref-card{border:1px solid #2c2e31;border-radius:11px;overflow:hidden;background:#090b0d}
.ref-cardimage{height:183px;display:block;position:relative;background-image:var(--sprite);background-size:558% 554%;background-repeat:no-repeat}
.cycling-img{background-position:12% 78%}
.winter-img{background-position:37% 78%}
.fitness-img{background-position:62% 78%}
.player-img{background-position:88% 78%}
.round-icon{position:absolute;left:20px;bottom:-20px;width:46px;height:46px;border-radius:50%;background:#6ea914;display:flex;align-items:center;justify-content:center;font-size:22px;border:2px solid #a3d442}
.winter-icon{background:#188bd1;border-color:#6dc8ff}
.ref-cardcopy{padding:31px 20px 20px}
.ref-cardcopy h3{font-size:17px;margin:0 0 9px}
.ref-cardcopy p{color:#dedede;font-size:14px;line-height:1.5;margin:0 0 15px}
.ref-explore{display:inline-block;border:1px solid #7fb51b;color:#93c72d;border-radius:4px;padding:9px 14px;font-size:12px;font-weight:800}

.section{padding:70px 5vw}
.eyebrow{color:var(--green2);font-weight:900;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
.aboutgrid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.about h2,.contact h2{margin:0;font-size:clamp(34px,4vw,60px)}
.about p,.contact p{color:var(--muted);max-width:620px}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pillar{padding:22px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(145deg,#111923,#080d13)}
.pillar b{display:block;margin-bottom:6px}
.pillar span{color:var(--muted);font-size:14px}
.contact{background:#091019;border-top:1px solid var(--line);display:grid;grid-template-columns:.9fr 1.1fr;gap:45px}
.contact-details{display:flex;flex-direction:column;gap:8px;margin-top:24px}
.contact-details a{width:max-content;color:var(--green2);font-weight:800}
.contact-details a:hover{text-decoration:underline}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form input,.form select,.form textarea{background:#05090e;color:white;border:1px solid #34414d;border-radius:6px;padding:14px}
.form textarea,.form button,.form .note{grid-column:1/-1}
.form textarea{min-height:130px}
.note{font-size:12px;color:#81909c}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 24px;border-radius:6px;font-weight:900;border:1px solid #52606d;background:#0b1219}
.btn.primary{background:linear-gradient(135deg,var(--green),#99d73b);border:0;color:white}

.cat-hero{height:350px;position:relative;background-image:var(--sprite);background-size:404% 230%;background-repeat:no-repeat}
.cat-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#03070bf5 5%,#03070b9b 50%,#03070b5c),linear-gradient(0deg,#05090f,transparent 45%)}
.cat-hero .inner{position:absolute;left:4vw;bottom:42px;z-index:2;max-width:760px}
.cat-hero h1,.catselect h1{margin:10px 0;font-size:clamp(44px,6vw,82px);line-height:.98;text-transform:uppercase}
.cat-hero .lead,.catselect .lead{color:#d3dae0;font-size:18px;max-width:720px}
.sprite-cycling{--sprite-x:34%}
.sprite-winter{--sprite-x:56%}
.sprite-fitness{--sprite-x:78%}
.sprite-player{--sprite-x:100%}
.sprite-fullfinger{--sprite-x:34%}
.cat-hero.sprite-cycling,.selectcard.sprite-cycling{background-position:34% 10%}
.cat-hero.sprite-winter,.selectcard.sprite-winter{background-position:56% 10%}
.cat-hero.sprite-fitness,.selectcard.sprite-fitness{background-position:78% 10%}
.cat-hero.sprite-player,.selectcard.sprite-player{background-position:100% 10%}
.cat-hero.sprite-fullfinger,.selectcard.sprite-fullfinger{background-position:34% 10%}
.back{display:inline-block;padding:9px 13px;border:1px solid #53606d;border-radius:7px;margin-bottom:25px;background:#060b10b8}
.concept-status{display:inline-block;margin:10px 0 0;padding:8px 11px;border:1px solid #8dbd2c;border-radius:5px;background:#071006d9;color:#dff7b2;font-size:12px;font-weight:800;letter-spacing:.02em}

.cat-main{padding:48px 2vw 80px}
.sectitle{text-align:center;font-size:32px;font-weight:900;text-transform:uppercase;margin-bottom:28px}
.sectitle b{color:var(--green);margin-right:10px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{border:1px solid #33404c;border-radius:14px;overflow:hidden;background:linear-gradient(#0f171f,#090f15);display:flex;flex-direction:column}
.photo{height:310px;background:#f4f4f2;position:relative;overflow:hidden}
.product-visual{width:100%;height:100%;background-image:var(--sprite);background-size:404% 230%;background-position:var(--sprite-x) 10%;background-repeat:no-repeat;transition:.2s}
.model-1{transform:scale(1.04)}
.model-2{transform:scale(1.08)}
.model-3{transform:scale(1.02) translateY(-2%)}
.stamp{position:absolute;left:12px;bottom:12px;background:#070b10;padding:6px 9px;font-size:10px;font-weight:900;box-shadow:inset 0 -2px var(--green)}
.copy{padding:20px;display:flex;flex-direction:column;flex:1}
.copy .kind{color:var(--green2);font-size:11px;font-weight:900}
.copy h3{font-size:22px;margin:5px 0 8px}
.copy p{color:#c3ccd4;margin:0 0 16px}
.concept-card-note{margin:0 0 14px;padding:10px 11px;border-left:3px solid var(--green);background:#0a1218;color:#d4dde4;font-size:12px;line-height:1.45}
.concept-card-note b,.concept-card-note span{display:block}
.colors{display:flex;gap:9px;align-items:center;margin-top:auto}
.swatches{display:flex;gap:8px}
.swatch{width:23px;height:23px;border-radius:50%;border:2px solid #ddd;background:var(--sw);cursor:pointer}
.swatch.selected{outline:3px solid var(--green);outline-offset:2px}
.sizes{margin:16px 0}
.card .btn{width:100%}
.tone-black{filter:none}
.tone-blue{filter:sepia(.55) saturate(3) hue-rotate(175deg) brightness(.82)}
.tone-red{filter:sepia(.55) saturate(3.3) hue-rotate(315deg) brightness(.84)}
.tone-green{filter:sepia(.5) saturate(2.8) hue-rotate(65deg) brightness(.82)}

.catselect{padding:96px 4vw 46px;text-align:center;background:radial-gradient(circle at 50% 0,#172536,#05090f 60%)}
.selectgrid{padding:20px 4vw 80px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.selectcard{height:500px;background-image:var(--sprite);background-size:404% 230%;background-repeat:no-repeat;border-radius:18px;border:1px solid #34414d;position:relative;overflow:hidden}
.selectcard:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#02060af0,transparent 70%)}
.selectcard div{position:absolute;left:26px;right:26px;bottom:26px;z-index:2}
.selectcard h2{font-size:38px;margin:6px 0}

.detail{max-width:1450px;margin:auto;padding:30px 3vw 80px}
.crumbs{color:#98a5b0;font-size:13px;margin-bottom:20px}
.detailgrid{display:grid;grid-template-columns:1.05fr .95fr;gap:45px}
.mainphoto{height:610px;background:#f4f4f2;border-radius:12px;overflow:hidden;position:relative}
.mainphoto .product-visual{height:100%}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.thumbs button{height:110px;padding:0;border:1px solid #3a4753;background:#eee;border-radius:7px;overflow:hidden;cursor:pointer}
.thumbs .product-visual{height:100%}
.concept-thumbs{grid-template-columns:1fr}
.concept-thumbs button{width:150px}
.info h1{font-size:56px;margin:8px 0}
.info .desc{color:#c7d0d8;font-size:18px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-block:1px solid var(--line);padding:18px 0;margin:22px 0}
.features b{font-size:13px}.features span{color:var(--green)}
.option{margin:24px 0}
.option label{display:block;font-size:12px;font-weight:900;text-transform:uppercase;margin-bottom:12px}
.sizebtns{display:flex;gap:10px}
.sizebtns button{width:58px;height:44px;background:#0b1219;color:white;border:1px solid #3a4753;border-radius:6px}
.sizebtns button.selected{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green)}
.quality{margin-top:16px;border:1px solid var(--line);border-radius:9px;padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:12px;color:#d1d8de}

.foot{padding:45px 4vw 20px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px;background:#020507}
.foot a,.foot p{display:block;color:#aeb8c1;font-size:13px;margin:8px 0}
.foot strong{display:block;margin-bottom:12px}
.copyright{grid-column:1/-1;text-align:center;border-top:1px solid #202a33;padding-top:18px;color:#8c98a3;font-size:12px}

@media(max-width:1050px){
  .ref-hero{height:auto;grid-template-columns:1fr 1fr}
  .ref-copy{grid-column:1/-1;min-height:420px}
  .ref-panel{height:360px;clip-path:none}
  .ref-cardgrid,.grid{grid-template-columns:repeat(2,1fr)}
  .header{grid-template-columns:190px 1fr}.tag{display:none}
  .detailgrid,.aboutgrid,.contact{grid-template-columns:1fr}
  .mainphoto{height:520px}
}
@media(max-width:700px){
  .header{height:66px;grid-template-columns:1fr auto;padding:0 18px}
  .logo{font-size:24px}.menu{display:block}
  nav{display:none;position:absolute;left:0;right:0;top:66px;flex-direction:column;gap:0;background:#020507;padding:12px 20px}
  nav.open{display:flex}nav a{padding:14px 0}
  .ref-copy{padding:38px 22px;min-height:440px}.ref-biglogo{font-size:45px}.ref-copy h1{font-size:31px}
  .ref-panel{height:300px}.panel-label{font-size:14px}
  .ref-cardgrid,.grid,.selectgrid,.pillars,.form{grid-template-columns:1fr}
  .ref-categories{padding:30px 20px}.section{padding:56px 20px}
  .cat-hero .inner{left:20px;right:20px}.cat-hero h1{font-size:44px}
  .photo{height:300px}.detail{padding:20px}.mainphoto{height:410px}
  .info h1{font-size:40px}.features{grid-template-columns:1fr}.quality{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}.copyright{grid-column:1/-1}
}