:root{
  --river:#0E2E2B;      /* নদীর গভীর জল – মূল গাঢ় রং */
  --river-2:#17504A;    /* একটু হালকা জল */
  --mist:#EFF4F1;       /* পেজের ব্যাকগ্রাউন্ড */
  --claw:#C93A17;       /* কাঁকড়ার লাল – বাটন ও দাম */
  --claw-dark:#9E2B0F;
  --sand:#F4C95D;       /* প্রাইস ট্যাগের হলুদ */
  --wa:#128C4A;         /* WhatsApp সবুজ */
  --ink:#0E2E2B;
  --muted:#4A625E;
  --line:#D3DED9;
  --font-head:'SolaimanLipi','Noto Sans Bengali','Kalpurush','Hind Siliguri',sans-serif;
  --font-body:'SolaimanLipi','Noto Sans Bengali','Kalpurush','Hind Siliguri',system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--mist);color:var(--ink);font-family:var(--font-body);font-size:18px;line-height:1.8}
img,svg{max-width:100%}
h1,h2,h3{font-family:var(--font-head);margin:0;line-height:1.45;font-weight:700}
p{margin:0}
a{color:inherit}
section[id]{scroll-margin-top:72px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.narrow{width:min(720px,100% - 40px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--claw);outline-offset:3px}

/* ---------- আইকন ---------- */
.i{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- ছবির স্লট: আসল ছবি না থাকলে আঁকা ছবি দেখায় ---------- */
.slot{position:relative;overflow:hidden;background:var(--river-2);display:grid;place-items:center}
.slot > svg{width:78%;height:78%}
.slot > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.slot > figcaption{position:absolute;left:12px;bottom:12px;background:rgba(14,46,43,.82);color:#fff;font-size:15px;line-height:1.4;padding:5px 14px;border-radius:999px}

/* ---------- বাটন ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:10px 26px;border-radius:999px;border:0;font:700 18px/1.4 var(--font-body);text-decoration:none;cursor:pointer;transition:background-color .15s,transform .1s}
.btn:active{transform:scale(.98)}
.btn-claw{background:var(--claw);color:#fff}
.btn-claw:hover{background:var(--claw-dark)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#0D7040}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-line{background:#fff;color:var(--river);border:1.5px solid var(--line)}
.btn-line:hover{border-color:var(--river)}
.btn-block{width:100%}

/* ---------- হেডার ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-head);font-weight:700;font-size:24px;color:var(--river);line-height:1.3}
.brand-mark{width:40px;height:40px;border-radius:50%;background:var(--sand);display:grid;place-items:center;font-size:22px;line-height:1}
.nav{display:none;gap:22px;font-weight:500}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--claw)}
.nav a[hidden]{display:none}
.bar .btn{min-height:44px;padding:6px 18px;font-size:17px}
@media(min-width:960px){.nav{display:flex}}

/* ---------- হিরো ---------- */
.hero{background:var(--river);color:#fff;padding:36px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;gap:26px;align-items:center}
@media(min-width:860px){.hero-grid{grid-template-columns:1.1fr .9fr;gap:44px;padding-top:24px}}
.hero h1{font-size:clamp(32px,7vw,50px);font-weight:700;line-height:1.4;max-width:15em}
.lead{margin-top:16px;color:#C6DAD4;max-width:31rem;font-size:19px}
.tag{display:inline-block;position:relative;margin:26px 0 8px;padding:14px 26px 14px 52px;background:var(--sand);color:var(--river);clip-path:polygon(24px 0,100% 0,100% 100%,24px 100%,0 50%);transform:rotate(-2.5deg);transform-origin:left center}
.tag::before{content:"";position:absolute;left:20px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:var(--river)}
.tag small{display:block;font-weight:700;font-size:16px;line-height:1.6}
.tag strong{display:block;font-family:var(--font-head);font-weight:700;font-size:clamp(44px,11vw,66px);line-height:1.2}
.tag strong span{font-size:.42em;margin-left:6px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-photo{width:100%;aspect-ratio:4/3;border-radius:28px;border:5px solid var(--river-2);box-shadow:0 20px 44px rgba(0,0,0,.35)}
@media(min-width:860px){.hero-photo{aspect-ratio:1/1;max-width:470px;margin-left:auto}}
.wave{display:block;width:100%;height:46px;margin-top:34px;position:relative}
@media(min-width:860px){.wave{height:60px}}

/* ---------- সুবিধার স্ট্রিপ ---------- */
.perks{background:#fff;border:1px solid var(--line);border-radius:22px;display:grid;margin-top:-6px;position:relative}
.perk{display:flex;gap:14px;align-items:flex-start;padding:18px 20px}
.perk + .perk{border-top:1px solid var(--line)}
.perk .i{width:30px;height:30px;color:var(--claw);margin-top:3px}
.perk b{display:block;font-family:var(--font-head);font-size:20px;line-height:1.5}
.perk span{color:var(--muted);font-size:16.5px;line-height:1.65;display:block}
@media(min-width:820px){
  .perks{grid-template-columns:repeat(3,1fr)}
  .perk{padding:22px 26px}
  .perk + .perk{border-top:0;border-left:1px solid var(--line)}
}

/* ---------- সেকশন সাধারণ ---------- */
.section{padding:64px 0}
.section h2{font-size:clamp(28px,5.4vw,40px)}
.section .sub{color:var(--muted);margin-top:10px;max-width:38rem}

/* ---------- পণ্য ---------- */
.products{display:grid;gap:22px;margin-top:30px}
@media(min-width:820px){.products{grid-template-columns:1.25fr 1fr}}
.product{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;display:flex;flex-direction:column}
.product .slot{height:260px}
.product .body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.product h3{font-size:27px}
.price{font-family:var(--font-head);font-weight:700;font-size:38px;line-height:1.4;color:var(--claw)}
.price small{font-size:19px;font-weight:500;color:var(--muted)}
.price.ask{font-size:27px;color:var(--river)}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"";position:absolute;left:2px;top:.6em;width:14px;height:8px;border-left:3px solid var(--wa);border-bottom:3px solid var(--wa);transform:rotate(-45deg)}
.product .btn{margin-top:auto}
.product .body>.checks{margin-bottom:8px}

/* ---------- ছবির গ্যালারি ---------- */
.gallery{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  grid-auto-rows:170px;
  gap:12px;
  margin-top:28px;
}
.gallery .slot{
  border-radius:20px;
  margin:0;
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}
.gallery .t1{grid-column:1/-1;grid-row:span 2}
.gallery .t2{grid-column:1/-1}

@media(min-width:820px){
  .gallery{
    grid-template-columns:repeat(4,1fr);
    grid-auto-rows:200px;
  }

  /* First gallery: big image on the left */
  .gallery .t1{grid-column:1/3;grid-row:1/3}
  .gallery .t2{grid-column:3/5;grid-row:1}
  .gallery .t3{grid-column:3;grid-row:2}
  .gallery .t4{grid-column:4;grid-row:2}

  /* Second gallery (.gallery-r): big image on the right */
  .gallery.gallery-r .t1{grid-column:3/5;grid-row:1/3}
  .gallery.gallery-r .t2{grid-column:1/3;grid-row:1}
  .gallery.gallery-r .t3{grid-column:1;grid-row:2}
  .gallery.gallery-r .t4{grid-column:2;grid-row:2}
}
.gallery .slot{transition:transform .25s ease, box-shadow .25s ease}
.gallery .slot:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}

/* ---------- ভিডিও ---------- */
.videos{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.videos[hidden]{display:none}
.vids{display:grid;gap:22px;margin-top:28px;grid-template-columns:1fr}
@media(min-width:760px){.vids{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.vids{grid-template-columns:repeat(3,1fr)}}
.vid-card{margin:0}
.vid{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;background:#000}
.vid.short{aspect-ratio:9/16;max-height:520px;margin-inline:auto}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid .play{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#000;cursor:pointer;display:block}
.vid .play img{width:100%;height:100%;object-fit:cover;opacity:.88;display:block}
.vid .play::after{content:"";position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;background:var(--claw);box-shadow:0 6px 20px rgba(0,0,0,.4)}
.vid .play::before{content:"";position:absolute;left:50%;top:50%;margin:-13px 0 0 -8px;border-style:solid;border-width:13px 0 13px 22px;border-color:transparent transparent transparent #fff;z-index:1}
.vid .play:hover::after{background:var(--claw-dark)}
.vid-card figcaption{margin-top:10px;font-weight:700;line-height:1.5}

/* ---------- অর্ডার ফর্ম ---------- */
.order{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.videos + .order{border-top:0}
.form-card{margin-top:28px;background:var(--mist);border:1px solid var(--line);border-radius:26px;padding:22px 18px 26px}
@media(min-width:600px){.form-card{padding:30px}}
.seg{border:0;padding:4px;margin:0 0 22px;display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#DCE7E2;border-radius:16px}
.seg label{position:relative;display:block}
.seg input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.seg span{display:block;text-align:center;padding:12px 6px;border-radius:12px;font-weight:700;line-height:1.5;transition:background-color .15s,color .15s}
.seg input:checked + span{background:var(--river);color:#fff}
.seg input:focus-visible + span{outline:3px solid var(--claw);outline-offset:2px}
.field{margin-bottom:18px}
.field label,.field .lbl{display:block;font-weight:700;margin-bottom:6px;line-height:1.6}
.field .hint{display:block;font-weight:400;color:var(--muted);font-size:15.5px;line-height:1.6;margin-top:5px}
.field input[type=text],.field input[type=tel],.field select,.field textarea{width:100%;min-height:52px;padding:11px 14px;border:1.5px solid #BFCFC9;border-radius:12px;background:#fff;font:400 17px/1.6 var(--font-body);color:var(--ink);appearance:none;-webkit-appearance:none}
.field textarea{min-height:96px;resize:vertical}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--river) 50%),linear-gradient(135deg,var(--river) 50%,transparent 50%);background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--river);box-shadow:0 0 0 3px rgba(23,80,74,.2)}
.field [aria-invalid="true"]{border-color:var(--claw)}
.err{color:var(--claw-dark);font-size:15.5px;line-height:1.55;margin-top:5px;font-weight:500}
.err:empty{display:none}
.two{display:grid;gap:0 16px}
@media(min-width:600px){.two{grid-template-columns:1fr 1fr}}

.stepper{display:flex;align-items:stretch;gap:0;width:max-content;max-width:100%;border:1.5px solid #BFCFC9;border-radius:14px;background:#fff;overflow:hidden}
.stepper button{width:54px;border:0;background:#E5EEEA;color:var(--river);font-size:22px;cursor:pointer;display:grid;place-items:center}
.stepper button:hover{background:#D4E2DC}
.field .stepper input[type=text]{width:96px;border:0!important;border-radius:0!important;text-align:center;font-weight:700!important;font-size:24px!important;box-shadow:none!important;min-height:54px}
.stepper span.unit{display:grid;place-items:center;padding:0 16px 0 2px;font-weight:700;color:var(--muted)}

.total{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;background:var(--river);color:#fff;border-radius:16px;padding:16px 20px;margin:4px 0 20px}
.total .t-label{color:#C6DAD4;font-size:16px;line-height:1.55}
.total .t-label b{display:block;color:#fff;font-size:16px;font-weight:400}
.total .t-sum{font-family:var(--font-head);font-weight:700;font-size:34px;line-height:1.4;color:var(--sand)}
.cod-note{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px dashed #9DB4AC;border-radius:14px;padding:14px 16px;margin-bottom:20px;font-size:16.5px;line-height:1.7}
.cod-note .i{color:var(--claw);margin-top:4px}
.status{margin-top:14px;font-weight:700;color:var(--wa);line-height:1.65}
.alt{margin-top:16px;text-align:center;color:var(--muted);font-size:16.5px}
.alt a{font-weight:700;color:var(--river)}
.is-fish [data-only="crab"]{display:none!important}
#orderForm:not(.is-fish) [data-only="fish"]{display:none!important}

/* ---------- ডেলিভারি ধাপ ---------- */
.delivery{background:var(--river);color:#fff}
.delivery .sub{color:#C6DAD4}
.steps{list-style:none;counter-reset:s;padding:0;margin:34px 0 0;display:grid;gap:26px}
.steps li{counter-increment:s;position:relative;padding-left:64px;min-height:48px}
.steps li::before{content:counter(s,bengali);position:absolute;left:0;top:0;width:46px;height:46px;border-radius:50%;background:var(--sand);color:var(--river);font-family:var(--font-head);font-weight:700;font-size:24px;display:grid;place-items:center;line-height:1}
.steps li:not(:last-child)::after{content:"";position:absolute;left:22px;top:52px;bottom:-20px;border-left:2px dashed rgba(255,255,255,.3)}
.steps h3{font-size:22px}
.steps p{color:#C6DAD4;font-size:17px;line-height:1.7;margin-top:2px}
@media(min-width:860px){
  .steps{grid-template-columns:repeat(4,1fr);gap:28px}
  .steps li{padding:64px 0 0}
  .steps li:not(:last-child)::after{left:58px;right:-16px;top:22px;bottom:auto;border-left:0;border-top:2px dashed rgba(255,255,255,.3)}
}

/* ---------- FAQ ---------- */
.faq{margin-top:26px;display:grid;gap:10px;max-width:760px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px}
.faq summary{list-style:none;cursor:pointer;padding:16px 54px 16px 20px;font-weight:700;position:relative;line-height:1.6}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;margin-top:-7px;border-right:2.5px solid var(--river);border-bottom:2.5px solid var(--river);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details p{padding:0 20px 18px;color:var(--muted)}

/* ---------- আমাদের সম্পর্কে ---------- */
.about{background:#fff;border-top:1px solid var(--line)}
.about .prose{max-width:44rem;margin-top:16px;display:grid;gap:14px;color:var(--muted)}
.about .prose b{color:var(--ink)}

/* ---------- যোগাযোগ ---------- */
.contact{background:var(--mist);border-top:1px solid var(--line)}
.contact-grid{display:grid;gap:26px;margin-top:28px}
@media(min-width:820px){.contact-grid{grid-template-columns:1.1fr .9fr;gap:40px}}
.call-list{display:grid;gap:12px}
.call-list .btn{justify-content:flex-start;padding-left:22px;font-size:19px}
.call-list .note{color:var(--muted);font-size:16.5px}
.addr{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}
.addr h3{font-size:23px;display:flex;gap:10px;align-items:center}
.addr h3 .i{color:var(--claw)}
.addr address{font-style:normal;margin-top:8px}
.addr .btn{margin-top:14px;min-height:46px}

/* ---------- ফুটার ও মোবাইল ডক ---------- */
.foot{background:var(--river);color:#B3CCC5;padding:30px 0 34px;font-size:16.5px;text-align:center}
.foot b{color:#fff;font-family:var(--font-head);font-size:22px;display:block}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:8px;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.97);border-top:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.dock a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border-radius:999px;font-weight:700;text-decoration:none;font-size:17px;line-height:1.4}
.dock .d-call{background:var(--river);color:#fff}
.dock .d-wa{background:var(--wa);color:#fff}
.dock .d-order{background:var(--claw);color:#fff}
@media(max-width:767px){body{padding-bottom:76px}}
@media(min-width:768px){.dock{display:none}}

/* ---------- আমাদের সম্পর্কে – প্রোপাইটরের ছবি ---------- */
.about-grid{display:grid;gap:40px;align-items:center}
@media(min-width:820px){.about-grid{grid-template-columns:.78fr 1.22fr;gap:64px}}
.owner{margin:0;justify-self:center;width:min(330px,calc(100% - 16px))}
.owner-frame{position:relative;aspect-ratio:1/1}
.owner-frame::before{content:"";position:absolute;inset:0;border-radius:34px;border:3px solid var(--claw);transform:translate(14px,14px);animation:frameShift 5s ease-in-out infinite}
.owner-frame::after{content:"";position:absolute;inset:-10px 14px 14px -10px;border-radius:38px;background:var(--sand);opacity:.55;z-index:0}
.owner-frame img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;object-position:center 20%;border-radius:34px;display:block;background:#C9CCCC;box-shadow:0 18px 40px rgba(14,46,43,.22)}
.owner-badge{position:absolute;z-index:2;left:-12px;bottom:26px;display:inline-flex;align-items:center;gap:6px;background:var(--river);color:#fff;padding:5px 16px 5px 12px;border-radius:999px;font-size:15px;line-height:1.6;box-shadow:0 8px 20px rgba(14,46,43,.3);animation:bob 4s ease-in-out infinite}
.owner-badge .i{width:1.1em;height:1.1em;color:var(--sand)}
.owner figcaption{margin-top:30px;text-align:center;line-height:1.5}
.owner figcaption b{display:block;font-family:var(--font-head);font-size:24px;color:var(--river)}
.owner figcaption span{color:var(--muted);font-size:16.5px}
.about-text .prose a{color:var(--claw);font-weight:700}

/* ---------- গুগল ম্যাপ ---------- */
.map-card{margin-top:28px;border-radius:26px;overflow:hidden;border:1px solid var(--line);background:#DCE7E2;height:340px;position:relative;box-shadow:0 12px 30px rgba(14,46,43,.1)}
@media(min-width:820px){.map-card{height:430px}}
.map-card iframe{width:100%;height:100%;border:0;display:block}
.addr .btn + .btn{margin-left:8px}

/* ---------- ভিডিও সেকশন (গাঢ় ব্যাকগ্রাউন্ড) ---------- */
.videos{background:var(--river);color:#fff;border-color:var(--river)}
.videos .sub{color:#C6DAD4}
.videos .vid{box-shadow:0 18px 40px rgba(0,0,0,.35);border:3px solid var(--river-2)}
.videos .vid-card figcaption{color:#fff}
.vids[data-count="1"]{grid-template-columns:1fr;max-width:820px;margin-inline:auto}
.vids[data-count="2"]{max-width:960px;margin-inline:auto}
.vid video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;display:block}
.vid .play::after{animation:pulse 2.4s ease-out infinite}

/* ==========================================================
   অ্যানিমেশন
   ========================================================== */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes tagSwing{0%,100%{transform:rotate(-2.5deg)}50%{transform:rotate(-.6deg)}}
@keyframes frameShift{0%,100%{transform:translate(14px,14px)}50%{transform:translate(9px,9px)}}
@keyframes drift{to{transform:translateX(-50%)}}
@keyframes rise{0%{transform:translate(0,0);opacity:0}12%{opacity:1}88%{opacity:.7}100%{transform:translate(22px,-760px);opacity:0}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,58,23,.55)}70%{box-shadow:0 0 0 16px rgba(201,58,23,0)}100%{box-shadow:0 0 0 0 rgba(201,58,23,0)}}
@keyframes scuttle{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px) rotate(-8deg)}75%{transform:translateX(4px) rotate(8deg)}}

/* হিরো: পানির বুদবুদ, ঢেউ, ভাসমান ছবি */
.hero-grid{position:relative;z-index:1}
.hero-photo{animation:float 6s ease-in-out infinite}
.tag{animation:tagSwing 5s ease-in-out infinite}
.hero-cta .btn-claw,.dock .d-order{animation:pulse 2.6s ease-out infinite}
.bubbles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.bubbles i{position:absolute;bottom:-50px;border-radius:50%;border:2px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);animation:rise linear infinite}
.bubbles i:nth-child(1){left:6%;width:18px;height:18px;animation-duration:11s}
.bubbles i:nth-child(2){left:18%;width:34px;height:34px;animation-duration:15s;animation-delay:2s}
.bubbles i:nth-child(3){left:33%;width:12px;height:12px;animation-duration:9s;animation-delay:4s}
.bubbles i:nth-child(4){left:52%;width:26px;height:26px;animation-duration:13s;animation-delay:1s}
.bubbles i:nth-child(5){left:68%;width:16px;height:16px;animation-duration:10s;animation-delay:5s}
.bubbles i:nth-child(6){left:82%;width:40px;height:40px;animation-duration:17s;animation-delay:3s}
.bubbles i:nth-child(7){left:93%;width:14px;height:14px;animation-duration:12s;animation-delay:6s}
.waves{position:relative;z-index:2;height:46px;margin-top:34px;overflow:hidden}
@media(min-width:860px){.waves{height:60px}}
.waves svg{position:absolute;left:0;bottom:-1px;width:200%;max-width:none;height:100%;display:block}
.waves .w1{animation:drift 24s linear infinite reverse}
.waves .w1 path{fill:#2B7A70;opacity:.55}
.waves .w2{animation:drift 15s linear infinite}
.waves .w2 path{fill:#EFF4F1}

/* কার্ড ও ছবির হোভার */
.brand:hover .brand-mark{animation:scuttle .6s ease}
.product{transition:box-shadow .25s,border-color .25s}
.product:hover{box-shadow:0 16px 36px rgba(14,46,43,.13);border-color:#B4C7C0}
.product .slot>img,.gallery .slot>img{transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.product:hover .slot>img,.gallery .slot:hover>img{transform:scale(1.06)}
.perk .i{transition:transform .3s}
.perk:hover .i{transform:scale(1.18) rotate(-6deg)}

/* স্ক্রল করলে ধীরে ভেসে ওঠা (JS চালু থাকলেই কাজ করে) */
.js .reveal{transition:opacity .75s cubic-bezier(.2,.7,.2,1) var(--d,0s),transform .75s cubic-bezier(.2,.7,.2,1) var(--d,0s)}
.js .reveal:not(.in){opacity:0;transform:translateY(28px)}
.js .reveal-left:not(.in){transform:translateX(-34px)}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .reveal:not(.in){opacity:1!important;transform:none!important}
  .bubbles{display:none}
}