:root {
  --ink: #111317;
  --muted: #666d78;
  --line: #e6e8ec;
  --soft: #f5f6f8;
  --white: #ffffff;
  --blue: #2f6df6;
  --violet: #7657ff;
  --cyan: #35c7d7;
  --amber: #f2a634;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff}
button,input{font:inherit}
button{cursor:pointer}
a{text-decoration:none;color:inherit}
.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);z-index:20}
.logo{font-weight:900;letter-spacing:.18em;font-size:18px}
nav{display:flex;gap:28px;font-size:14px;color:#353a43}
.ghost-btn,.secondary-btn{border:1px solid var(--line);background:white;border-radius:999px;padding:12px 18px}
.primary-btn{border:none;background:var(--ink);color:white;border-radius:999px;padding:14px 22px;display:inline-flex;align-items:center;justify-content:center}
.hero{min-height:620px;padding:8vw 5vw 5vw;display:grid;grid-template-columns:1.05fr .95fr;gap:4vw;align-items:center;overflow:hidden}
.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:800;color:#7a808b;margin-bottom:16px}
h1{font-size:clamp(50px,7vw,100px);line-height:.91;letter-spacing:-.055em;margin:0;max-width:900px}
h1 span{background:linear-gradient(90deg,var(--blue),var(--violet),var(--amber));-webkit-background-clip:text;color:transparent}
.hero-copy>p{font-size:19px;line-height:1.6;color:var(--muted);max-width:680px;margin:30px 0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{height:470px;position:relative}
.sheet{position:absolute;width:55%;height:72%;border-radius:24px;box-shadow:0 24px 70px rgba(20,30,50,.15);backdrop-filter:blur(4px)}
.sheet:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.65),rgba(255,255,255,.05));border-radius:inherit}
.sheet-a{background:rgba(47,109,246,.52);transform:rotate(-13deg);left:4%;top:12%}
.sheet-b{background:rgba(53,199,215,.42);transform:rotate(5deg);left:25%;top:4%}
.sheet-c{background:rgba(242,166,52,.45);transform:rotate(16deg);left:44%;top:18%}
.hero-badge{position:absolute;right:2%;bottom:4%;background:white;border:1px solid var(--line);border-radius:20px;padding:20px 24px;box-shadow:0 16px 35px rgba(0,0,0,.08);font-size:14px;line-height:1.45}
.cycle-strip{margin:0 5vw 5vw;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}
.cycle-strip>div{padding:25px 0;display:grid;grid-template-columns:42px 1fr;column-gap:8px;border-right:1px solid var(--line)}
.cycle-strip>div:last-child{border-right:none}
.cycle-strip span{grid-row:1/3;color:#999}
.cycle-strip strong{font-size:16px}
.cycle-strip small{color:var(--muted);margin-top:4px}
.section{padding:6vw 5vw}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:42px}
.section-head h2{font-size:clamp(34px,4vw,64px);line-height:1.02;letter-spacing:-.04em;margin:0;max-width:850px}
.section-head>p{max-width:420px;color:var(--muted);line-height:1.55}
.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.product-card{border:1px solid var(--line);border-radius:30px;overflow:hidden;background:white}
.product-visual{height:330px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.product-visual.amber{background:linear-gradient(135deg,#fff4df,#f4be66)}
.product-visual.blue{background:linear-gradient(135deg,#edf7ff,#78b9ff)}
.sample-sheet{width:60%;height:66%;border-radius:18px;background:rgba(255,255,255,.32);border:1px solid rgba(255,255,255,.55);transform:skewX(-8deg) rotate(-8deg);box-shadow:0 24px 40px rgba(30,50,80,.18);backdrop-filter:blur(4px)}
.sample-label{position:absolute;top:24px;left:24px;font-size:13px;font-weight:800;letter-spacing:.1em}
.product-body{padding:28px}
.product-title-row{display:flex;align-items:start;justify-content:space-between;gap:16px}
.product-title-row h3{font-size:38px;margin:0;letter-spacing:-.04em}
.status{font-size:12px;background:#effbf1;color:#28723b;padding:8px 10px;border-radius:999px}
.muted{color:var(--muted);line-height:1.55}
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0}
.story{border:0;background:transparent;padding:0;text-align:left}
.story-image{display:block;height:110px;border-radius:16px;margin-bottom:9px;transition:.2s transform;overflow:hidden}
.story:hover .story-image{transform:translateY(-3px)}
.warehouse{background:linear-gradient(135deg,#5f6670,#d9dde3);position:relative}
.warehouse:after{content:"";position:absolute;width:70%;height:12px;background:#f4b24e;left:15%;top:28%;box-shadow:0 16px 0 #eaa03c,0 32px 0 #cf8d31,0 48px 0 #b67722}
.roll{background:linear-gradient(140deg,#dfe7ef,#7b8795);position:relative}
.roll:after{content:"";position:absolute;width:62px;height:62px;border:13px solid #f1bd63;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%) skewX(-12deg)}
.canopy{background:linear-gradient(180deg,#9fd3ff 0 58%,#777 58%);position:relative}
.canopy:after{content:"";position:absolute;width:72%;height:32%;border:8px solid #333;border-bottom:0;left:14%;top:37%;transform:skewX(-14deg);background:rgba(242,166,52,.48)}
.second:after{filter:hue-rotate(110deg)}
.story strong{display:block;font-size:13px}
.story small{color:var(--muted);font-size:11px}
.price-btn{width:100%;border:0;border-radius:16px;padding:16px;background:var(--ink);color:white;font-weight:700}
.services{background:#111317;color:white}
.services .eyebrow,.services p{color:#aeb4bd}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service-card{text-align:left;border:1px solid #2c3038;background:#181b20;color:white;padding:28px;border-radius:22px;min-height:260px;transition:.2s transform,.2s background}
.service-card:hover{transform:translateY(-4px);background:#20242b}
.service-card span{color:#737a86;font-size:12px}
.service-card h3{font-size:28px;margin:55px 0 10px}
.service-card p{line-height:1.5}
.service-card b{display:block;margin-top:28px}
.consultant-banner{margin:5vw;padding:4vw;border-radius:30px;background:linear-gradient(120deg,#edf4ff,#f7efff,#fff2dc);display:flex;justify-content:space-between;gap:40px;align-items:end}
.consultant-banner h2{font-size:clamp(34px,4vw,60px);letter-spacing:-.04em;line-height:1.03;margin:0}
footer{padding:40px 5vw 70px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted)}
.modal,.image-modal{position:fixed;inset:0;display:none;z-index:100}
.modal.open,.image-modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(10,12,18,.62);backdrop-filter:blur(8px)}
.consultant-shell{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(900px,92vw);height:min(720px,88vh);background:white;border-radius:28px;overflow:hidden;display:grid;grid-template-rows:auto 1fr auto auto;box-shadow:0 35px 100px rgba(0,0,0,.35)}
.close-btn{position:absolute;right:18px;top:14px;border:0;background:#f0f2f5;border-radius:50%;width:36px;height:36px;font-size:24px;z-index:2}
.consultant-header{padding:24px 28px 20px;border-bottom:1px solid var(--line)}
.consultant-header>div{display:flex;align-items:center;gap:9px}.online-dot{width:9px;height:9px;border-radius:50%;background:#3acb69;display:inline-block}
.consultant-header small{display:block;margin:6px 0 0 18px;color:var(--muted)}
.chat{padding:28px;overflow:auto;background:#f7f8fa;display:flex;flex-direction:column;gap:12px}
.bubble{max-width:74%;padding:14px 16px;border-radius:18px;background:white;box-shadow:0 1px 0 rgba(0,0,0,.05)}
.bubble.user{margin-left:auto;background:#111317;color:white}.bubble p{margin:0;line-height:1.5}
.chat-sample{height:150px;border-radius:14px;background:linear-gradient(135deg,#fff2d8,#efb04d);margin-bottom:12px;position:relative;overflow:hidden;display:flex;align-items:end;padding:12px}
.chat-sample-sheet{position:absolute;width:55%;height:65%;left:22%;top:12%;border-radius:12px;background:rgba(255,255,255,.3);transform:rotate(-8deg);border:1px solid rgba(255,255,255,.6)}
.chat-sample span{position:relative;font-size:11px;font-weight:700}
.quick-actions{padding:12px 24px;display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);background:white}
.quick-actions:empty{display:none}.quick-actions button{border:1px solid var(--line);background:white;border-radius:999px;padding:10px 13px}
.chat-form{display:flex;gap:10px;padding:18px;border-top:1px solid var(--line);background:white}.chat-form input{flex:1;border:1px solid var(--line);border-radius:14px;padding:13px 15px;outline:none}.chat-form button{border:0;background:#111317;color:white;border-radius:14px;padding:0 18px}
.image-viewer{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(920px,90vw);background:white;border-radius:28px;padding:22px;box-shadow:0 35px 100px rgba(0,0,0,.35)}
.viewer-art{height:520px;border-radius:20px}.image-viewer p{font-size:16px;margin:16px 5px 4px}
@media(max-width:900px){nav{display:none}.hero{grid-template-columns:1fr;padding-top:80px}.hero-art{height:380px}.products-grid,.service-grid{grid-template-columns:1fr}.section-head{display:block}.section-head>p{margin-top:20px}.cycle-strip{grid-template-columns:1fr}.cycle-strip>div{border-right:0;border-bottom:1px solid var(--line)}.cycle-strip>div:last-child{border-bottom:0}.consultant-banner{display:block}.consultant-banner .primary-btn{margin-top:30px}.story-image{height:88px}footer{display:block}.hero h1{font-size:58px}}
@media(max-width:520px){.topbar{padding:0 18px}.hero,.section{padding-left:18px;padding-right:18px}.hero h1{font-size:46px}.hero-art{height:300px}.cycle-strip,.consultant-banner{margin-left:18px;margin-right:18px}.product-body{padding:20px}.story-grid{gap:7px}.story-image{height:74px}.consultant-shell{width:96vw;height:90vh}.bubble{max-width:88%}}

/* ===== LEKSAN visual identity — v2 ===== */
:root{
  --ink:#111111;
  --muted:#676767;
  --line:#d7d7d7;
  --soft:#f4f4f2;
}
body{background:#fbfbfa}
.topbar{
  height:82px;
  background:rgba(251,251,250,.94);
  border-bottom:1px solid #bfc0c0;
}
.logo-image{display:inline-flex;align-items:center}
.logo-image img{display:block;width:250px;max-width:26vw;height:auto}
.footer-logo img{width:210px;max-width:100%}
nav{gap:34px;letter-spacing:.02em}
nav a{position:relative;padding:6px 0}
nav a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:#111;transition:.25s width}
nav a:hover:after{width:100%}
.ghost-btn,.secondary-btn{
  border-radius:2px;
  border-color:#aeb0b1;
  background:transparent;
  letter-spacing:.03em;
}
.primary-btn{border-radius:2px;letter-spacing:.03em}
.hero{min-height:650px;padding-top:7vw}
.eyebrow{font-weight:600;letter-spacing:.24em;color:#737373}
h1{font-weight:500;letter-spacing:-.045em}
h1 span{
  background:none;
  -webkit-background-clip:initial;
  color:var(--ink);
  border-bottom:3px solid #111;
}
.hero-copy>p{color:#646464;max-width:650px}
.hero-art{height:500px}
.sheet{border-radius:2px;box-shadow:0 28px 70px rgba(20,30,50,.12)}
.sheet:after{border-radius:2px}
.sheet-a{background:rgba(15,117,255,.36)}
.sheet-b{background:rgba(41,202,183,.34)}
.sheet-c{background:rgba(255,166,44,.42)}
.hero-badge{border-radius:2px;border-color:#bfc0c0;box-shadow:0 16px 35px rgba(0,0,0,.06)}
.cycle-strip{border-color:#bfc0c0}
.cycle-strip>div{border-color:#d0d0d0}
.section-head h2{font-weight:500;letter-spacing:-.035em}
.product-card{border-radius:2px;border-color:#bfc0c0;box-shadow:none}
.product-visual{border-bottom:1px solid #c9c9c9}
.product-visual.amber{background:linear-gradient(135deg,#fff8ea,#f2bd62)}
.product-visual.blue{background:linear-gradient(135deg,#edf7ff,#78b9ff)}
.sample-sheet{border-radius:2px}
.status{border-radius:2px;background:#f1f4ed;color:#33552f;border:1px solid #cad5c5}
.story-image{border-radius:2px}
.price-btn{border-radius:2px;letter-spacing:.04em;font-weight:600}
.services{background:#111;color:#fff}
.service-card{border-radius:2px;background:#151515;border-color:#383838}
.service-card:hover{background:#1d1d1d}
.consultant-banner{border-radius:2px;background:#f0f0ed;border:1px solid #c6c6c3}
.consultant-shell,.image-viewer{border-radius:2px}
.close-btn{border-radius:2px}
.bubble,.chat-sample,.chat-form input,.chat-form button,.quick-actions button{border-radius:2px}
.chat{background:#f1f1ef}
.viewer-art{border-radius:2px}
footer{background:#f1f1ef;border-top-color:#c7c7c7}
@media(max-width:900px){.logo-image img{width:190px;max-width:42vw}}
@media(max-width:520px){.logo-image img{width:150px;max-width:46vw}.topbar .ghost-btn{padding:10px 12px;font-size:12px}}

/* ===== live consultant — v3 ===== */
.chat-form input:disabled,.chat-form button:disabled{opacity:.55;cursor:wait}
.typing{display:flex;gap:5px;align-items:center;min-width:58px}
.typing span{width:7px;height:7px;border-radius:50%;background:#8b8b8b;display:block;animation:leksanTyping 1s infinite ease-in-out}
.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes leksanTyping{0%,60%,100%{transform:translateY(0);opacity:.45}30%{transform:translateY(-4px);opacity:1}}

/* ===== bilingual switch — v4 ===== */
.top-actions{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;align-items:center;gap:7px;font-size:12px;letter-spacing:.12em;color:#888}
.lang-btn{border:0;background:transparent;padding:4px 1px;color:#8b8b8b;font:inherit;letter-spacing:.12em;cursor:pointer;position:relative}
.lang-btn.active{color:#111}
.lang-btn.active:after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:#111}
.hero h1 .underlined{border-bottom:3px solid #111}
.hero h1>span:not(.underlined){border-bottom:0}
@media(max-width:700px){.top-actions{gap:10px}.lang-switch{gap:5px}.topbar .ghost-btn{display:none}}