:root{--navy:#052d62;--cyan:#27d5df;--teal:#0498a4;--line:#dce7ef}body{background:#fff;color:#092d59}.topbar{height:26px;padding:0 max(20px,calc((100% - 1250px)/2));display:flex;justify-content:space-between;align-items:center;background:#062f64;color:#fff;font-size:12px}.topbar a{color:#fff}header{top:0;min-height:70px;padding:8px max(20px,calc((100% - 1250px)/2));box-shadow:0 4px 18px #052d6214}.brand span{font-size:24px;color:#143c70;line-height:.8}.brand em{font-style:normal;color:#19bdca}.brand small{margin-top:7px;font-size:7px;letter-spacing:.22em;text-align:center}.brand img{width:48px;height:48px}nav{margin:auto;gap:44px}nav a{font-weight:750;color:#0c315f}.header-tools{display:flex;align-items:center;gap:17px;font-size:25px}.header-tools>a{line-height:1}.cart-button{position:relative;padding:8px 10px;background:transparent;color:#092d59;font-size:21px}.cart-button b{position:absolute;right:-2px;top:-3px;background:#029ca8;color:#fff;font-size:11px;min-width:20px;height:20px}.hero{min-height:460px;background:linear-gradient(90deg,#031f4bf2 0%,#053d73b8 43%,transparent 70%),url('assets/hero-reef-clownfish-v1.webp') center/cover}.hero>div{width:min(1250px,calc(100% - 40px));padding:55px 0 105px}.hero .eyebrow{color:#77e7ef}.hero h1{max-width:760px;font-size:clamp(42px,5vw,67px);letter-spacing:-.04em}.hero h1 strong{color:#35d9e3}.hero p{margin:9px 0;max-width:660px}.hero-sub{font-size:21px!important;font-weight:750}.hero .button{min-width:200px;text-align:center}.hero-points{display:flex;gap:32px;margin-top:25px;font-size:13px}.hero-points span{display:flex;align-items:center;gap:8px}.hero-points i{font-style:normal;font-size:24px;color:var(--cyan)}.hero-search{position:relative;z-index:2;width:min(1250px,calc(100% - 40px));margin:-68px auto 24px;padding:14px 18px 17px;background:#fff;border-radius:16px;box-shadow:0 18px 50px #082f5b1c}.search-line{display:flex;border:1px solid #c8d8e7;border-radius:12px;overflow:hidden}.search-line input{flex:1;border:0;padding:15px 18px;font-size:16px;outline:0}.search-line button{border-radius:0;min-width:135px;background:linear-gradient(90deg,#22c5d1,#39dbe2);color:#062f64}.quick-chips,.listing-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:11px}.chip{border:1px solid #d9e4ed;background:#fff;color:#24466b;padding:8px 16px;border-radius:999px;font-size:13px}.chip.active{background:linear-gradient(90deg,#058d9a,#0cb2bc);color:#fff;border-color:transparent}.catalog-shell{width:min(1250px,calc(100% - 40px));margin:30px auto 58px;display:grid;grid-template-columns:220px 1fr;gap:28px}.catalog-side{border:1px solid var(--line);border-radius:13px;padding:18px;background:#fff;height:max-content}.catalog-side h3{margin:0 0 13px;font-size:15px}.side-link{display:flex;justify-content:space-between;padding:8px 0;color:#315174;font-size:14px}.side-box{padding:16px 0;border-top:1px solid var(--line)}.catalog-main .section-title{margin-bottom:8px}.catalog-main .section-title h2{font-size:30px}.grid{grid-template-columns:repeat(4,1fr);gap:15px}.card{border:1px solid var(--line);border-radius:14px;box-shadow:0 5px 18px #082f5b0a}.card .image{position:relative;aspect-ratio:1.28;background:#e8f2f7}.card .image:after{content:'Còn hàng';position:absolute;left:10px;top:10px;padding:5px 9px;background:#20955f;color:#fff;border-radius:999px;font-size:11px;font-weight:750}.card-body{padding:12px}.card h3{font-size:16px;color:#082e5f}.card .price{color:#008b99;font-size:18px}.card-actions{margin-top:10px}.card-actions .secondary{display:none}.card-actions button{border-radius:8px;background:linear-gradient(90deg,#058d9a,#0ca8b3)}.tag{color:#70869c;font-size:11px}.stock{display:none}.product-filters{display:grid;grid-template-columns:minmax(260px,2fr) repeat(3,minmax(130px,1fr))}.field-hint{margin:-8px 0 18px;color:var(--muted);font-size:13px}.summary-row{display:flex;justify-content:space-between;gap:16px;padding-top:12px;color:var(--muted)}.discount-row{color:#087f5b}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;padding:24px max(20px,calc((100% - 1250px)/2));background:#edf8ff;color:#0d4277}.trust-strip>div{display:flex;gap:13px;align-items:center;font-size:28px}.trust-strip span{display:flex;flex-direction:column;font-size:14px}.trust-strip small{font-size:12px;color:#55728d;margin-top:3px}
@media(max-width:1000px){nav{gap:20px}.grid{grid-template-columns:repeat(3,1fr)}.catalog-shell{grid-template-columns:190px 1fr}}
@media(max-width:850px){.topbar span:first-child{display:none}.topbar{justify-content:center}.header-tools>a{display:none}.catalog-shell{grid-template-columns:1fr}.catalog-side{display:none}.grid{grid-template-columns:repeat(2,1fr)}.hero{min-height:500px;background-position:63% center}.hero>div{padding-top:55px}.hero-points{gap:12px;flex-wrap:wrap}.trust-strip{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.brand span{font-size:18px}.brand img{width:42px;height:42px}.header-tools{gap:5px}.hero{min-height:560px;background-position:68% center}.hero>div{width:calc(100% - 28px);padding:45px 0 120px}.hero h1{font-size:39px}.hero-sub{font-size:17px!important}.hero-points{font-size:11px}.hero-search{width:calc(100% - 28px)}.search-line button{min-width:94px;padding:10px}.catalog-shell{width:calc(100% - 28px)}.grid{grid-template-columns:1fr 1fr;gap:10px}.card-body{padding:10px}.card-actions button{font-size:12px;padding:9px 6px}.trust-strip{grid-template-columns:1fr}.product-filters{grid-template-columns:1fr}}
.catalog-side button.side-link{width:100%;border:0;border-radius:0;background:transparent;color:#315174;text-align:left;font-weight:500;cursor:pointer}.catalog-side button.side-link.active{color:#0498a4;font-weight:800}
.mobile-categories{display:none;margin-bottom:18px}.mobile-categories>b,.size-filter>b{display:block;margin-bottom:10px}.mobile-category-scroll{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:thin}.mobile-category-scroll .chip{flex:0 0 auto;white-space:nowrap}.chip small{margin-left:3px;opacity:.72}.size-filter{margin-bottom:14px}
@media(max-width:850px){.mobile-categories{display:block}.quick-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px}.quick-chips .chip{flex:0 0 auto;white-space:nowrap}.size-filter .listing-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px}.size-filter .chip{flex:0 0 auto;white-space:nowrap}}
html,body{width:100%;max-width:100%;overflow-x:hidden}main,.hero,.hero-search,.catalog-shell,.catalog-main,.mobile-categories,.size-filter{min-width:0;max-width:100%}.quick-chips,.mobile-category-scroll,.size-filter .listing-chips{width:100%;max-width:100%;min-width:0}.card,.card .image,.card-body{min-width:0}.card img{display:block;max-width:100%}
@media(max-width:850px){header{width:100%;max-width:100%}.catalog-shell{width:calc(100% - 28px);margin-left:auto;margin-right:auto}.catalog-main{width:100%;overflow:hidden}.catalog-main .section-title{align-items:flex-start;flex-wrap:wrap}.catalog-main .section-title>a{margin-left:auto}.mobile-category-scroll,.quick-chips,.size-filter .listing-chips{display:flex;overflow-x:auto;overflow-y:hidden;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}.grid{width:100%;min-width:0}.grid>*{min-width:0}.card .image{width:100%}}
@media(max-width:380px){.grid{grid-template-columns:1fr}.card .image{aspect-ratio:1.25}}

/* 2026-09-21 mockup refresh: responsive, mobile-first storefront */
:root{--page:#f7fafc;--navy:#062c5e;--cyan:#31d6df;--teal:#0799a6;--soft:#eff6fa;--line:#dce7ef}
body{background:linear-gradient(#fff 0,#f7fafc 56%,#fff 100%);color:var(--navy);overflow-x:clip}
.topbar{height:27px;background:#07366c;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
header{height:72px;min-height:72px;padding-top:7px;padding-bottom:7px;background:#fff;box-shadow:0 3px 16px #082f5b12}
.brand{flex:0 0 auto}.brand img{object-fit:contain}.brand span{white-space:nowrap}
nav a{position:relative;font-size:15px}nav a:after{content:'';position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.2s}nav a:hover:after{transform:scaleX(1)}
.hero{min-height:365px;background:linear-gradient(90deg,#032351f5 0%,#063d73d8 42%,#063b7070 67%,transparent 100%),url('assets/hero-reef-clownfish-v1.webp') center 54%/cover no-repeat}
.hero>div{width:min(1250px,calc(100% - 40px));padding:37px 0 82px}.hero h1{margin:9px 0 4px;max-width:790px;font-size:clamp(38px,4.4vw,60px);line-height:1.03}.hero p{line-height:1.45}.hero-sub{margin-top:5px!important}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-actions .button{margin:9px 0 0}.hero .button.secondary{border:1px solid #d8fbff;background:#062f6450;color:#fff}.hero-points{margin-top:18px}.hero-points span{min-width:150px}.hero-points b{font-size:13px}.hero-points small{display:block;margin-top:2px;color:#cfe3f5;font-weight:400}
.hero-search{margin-top:-52px;margin-bottom:17px;padding:12px 18px 14px;border:1px solid #e4edf4;box-shadow:0 18px 45px #082f5b1a}.search-line{height:47px;align-items:center}.search-line>span{padding-left:17px;font-size:27px;line-height:1;color:#0a376a}.search-line input{min-width:0;padding-left:12px}.search-line button{align-self:stretch}
.catalog-shell{margin-top:21px}.catalog-side{box-shadow:0 4px 16px #062d6208}.catalog-side input{width:100%;min-width:0;padding:9px;border:1px solid #d4e0e9;border-radius:7px;color:#294b70}.price-inputs{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:11px}.catalog-main .section-title{align-items:center}.catalog-main .section-title h2{font-size:29px;letter-spacing:-.02em}.catalog-main .section-title p{margin:7px 0 0;color:#617b94}.size-filter>b{display:none}.size-filter{margin-bottom:13px}
.grid{align-items:stretch}.card{border-radius:13px;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #082f5b18}.card .image{aspect-ratio:1.36}.card .image:after{display:none}.stock-badge{position:absolute;z-index:2;left:10px;top:10px;padding:5px 9px;background:#20955f;color:#fff;border-radius:999px;font-size:11px;font-weight:800}.wish{position:absolute;z-index:2;right:10px;top:8px;color:#fff;font-size:31px;line-height:1;text-shadow:0 2px 8px #002a}.card-body{padding:11px}.card h3{min-height:39px;margin:4px 0;font-size:16px;line-height:1.25}.card .price{margin:2px 0 7px}.card-actions button{min-height:38px}.card-actions button span{filter:grayscale(1) brightness(5)}
.trust-strip{border-top:1px solid #dcebf5;border-bottom:1px solid #dcebf5}.call{right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom))}

@media(max-width:850px){
  .topbar{display:none}
  header{height:60px;min-height:60px;position:sticky;padding:7px max(12px,env(safe-area-inset-right)) 7px max(12px,env(safe-area-inset-left));gap:7px}
  .brand img{width:37px;height:37px;margin-right:6px}.brand span{font-size:16px}.brand small{font-size:6px;margin-top:5px}
  .nav-toggle{order:2;margin-left:auto!important;font-size:20px}.header-tools{order:3}.header-tools .cart-button{font-size:18px;padding:7px}.cart-button b{right:-2px;top:-3px;min-width:18px;height:18px;font-size:10px}
  nav{top:59px;left:10px;right:10px;gap:0;border:1px solid var(--line);border-radius:12px}nav a{padding:12px;border-bottom:1px solid #edf2f6}nav a:last-child{border:0}
  .hero{min-height:405px;background:linear-gradient(180deg,#03275dd9 0%,#063565b8 48%,#042f5e7a 100%),url('assets/hero-reef-clownfish-v1.webp') 61% center/cover no-repeat}
  .hero>div{width:calc(100% - 28px);padding:31px 0 78px}.hero .eyebrow{font-size:10px}.hero h1{max-width:520px;font-size:clamp(31px,9vw,44px)}.hero>div>p:not(.hero-sub){max-width:470px;font-size:13px}.hero-sub{max-width:480px;font-size:16px!important}.hero-actions{gap:8px}.hero-actions .button{min-width:0;padding:11px 15px;font-size:13px}.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:16px}.hero-points span{min-width:0;gap:5px;font-size:10px}.hero-points i{font-size:17px}.hero-points b{font-size:10px}.hero-points small{font-size:8px}
  .hero-search{width:calc(100% - 20px);margin-top:-47px;padding:9px;border-radius:13px}.search-line{height:43px}.search-line input{font-size:13px;padding-right:5px}.search-line button{min-width:82px;padding:8px 10px;font-size:12px}.search-line>span{padding-left:9px;font-size:22px}.quick-chips{margin-top:8px;padding-bottom:1px;scrollbar-width:none}.quick-chips::-webkit-scrollbar,.mobile-category-scroll::-webkit-scrollbar,.size-filter .listing-chips::-webkit-scrollbar{display:none}
  .catalog-shell{width:calc(100% - 20px);margin-top:14px;margin-bottom:32px}.mobile-categories{margin-bottom:15px}.mobile-categories>b,.size-filter>b{display:block;margin-bottom:8px;font-size:14px}.mobile-category-scroll,.size-filter .listing-chips{margin-right:-10px;padding-right:10px}.chip{padding:7px 12px;font-size:11px}
  .catalog-main .section-title{display:flex;flex-wrap:nowrap;margin-bottom:11px}.catalog-main .section-title h2{font-size:21px;line-height:1.15}.catalog-main .section-title p{font-size:12px}.catalog-main .section-title>a{flex:0 0 auto;font-size:11px;white-space:nowrap}
  .size-filter{margin-bottom:10px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.card{border-radius:10px}.card .image{aspect-ratio:1.12}.stock-badge{left:6px;top:6px;padding:4px 6px;font-size:8px}.wish{right:6px;top:5px;font-size:25px}.card-body{padding:8px}.tag{font-size:9px}.card h3{min-height:33px;margin:3px 0;font-size:13px}.card .price{font-size:15px;line-height:1.2}.old{display:block;margin:2px 0 0;font-size:10px}.card-actions{margin-top:6px}.card-actions button{min-height:33px;padding:7px 4px;font-size:10px}.card-actions button span{display:none}
  .trust-strip{grid-template-columns:1fr 1fr;gap:16px;padding:20px 14px}.trust-strip>div{font-size:22px}.trust-strip span{font-size:12px}.trust-strip small{font-size:10px}footer{padding:34px 18px;gap:16px}.call{width:46px;height:46px;display:grid;place-items:center;padding:0}
}
@media(max-width:430px){
  .hero{min-height:390px}.hero>div{padding-top:27px}.hero h1{font-size:34px}.hero-actions .button{font-size:12px}.hero-points span:nth-child(3){display:none}
  .catalog-main .section-title h2{font-size:19px}.grid{gap:7px}.card .image{aspect-ratio:1.04}.card-actions button{font-size:10px}
}
@media(max-width:359px){.brand span{font-size:14px}.hero h1{font-size:30px}.hero-actions .button.secondary{display:none}.grid{grid-template-columns:1fr}.card .image{aspect-ratio:1.3}.card h3{min-height:0}.trust-strip{grid-template-columns:1fr}}

/* Full horizontal Royal Aqua logo (2026-09-26). */
.brand .brand-logo{width:225px;height:auto;margin-right:0;display:block;object-fit:contain}
@media(max-width:1050px){.brand .brand-logo{width:190px}}
@media(max-width:850px){.brand .brand-logo{width:min(250px,calc(100vw - 155px));height:auto}}
@media(max-width:359px){.brand .brand-logo{width:190px;max-width:calc(100vw - 150px)}}
.website-notice{width:min(720px,calc(100% - 28px));padding:0 0 18px;border:0;border-radius:18px;overflow:hidden;box-shadow:0 24px 80px #001b3b66}.website-notice::backdrop{background:#00152a99}.website-notice .close{position:absolute;z-index:2;right:10px;top:10px;width:38px;height:38px;border-radius:50%;background:#fff;color:#123;box-shadow:0 2px 12px #0004}.website-notice-image img{display:block;width:100%;max-height:70vh;object-fit:contain;background:#eef5f8}.website-notice h3{margin:16px 20px 4px;text-align:center}.website-notice-nav{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:14px}.website-notice-nav button{padding:5px 15px;border-radius:999px}
.website-notice-image{touch-action:pan-y;user-select:none}.website-notice-dots{display:flex;justify-content:center;gap:10px;margin:14px 0 10px}.website-notice-dots button{width:11px;height:11px;min-width:0;padding:0;border:0;border-radius:50%;background:#1688a8;opacity:.55;box-shadow:none}.website-notice-dots button.active{background:#08d8f2;opacity:1;transform:scale(1.12)}.website-notice-snooze{display:block;margin:8px auto 0;padding:9px 15px;border:1px solid #b7d4dc;border-radius:999px;background:#f3fbfc;color:#075a69;font-size:13px;font-weight:750}.website-notice-snooze:hover{background:#e3f7fa}
.website-notice-image img{cursor:zoom-in}.website-notice-image a img{cursor:pointer}.website-notice.image-expanded{width:min(1200px,calc(100% - 20px));padding-bottom:0;background:#061326}.website-notice.image-expanded .website-notice-image img{width:100%;height:auto;max-height:92vh;cursor:zoom-out;background:#061326}.website-notice.image-expanded h3,.website-notice.image-expanded .website-notice-dots,.website-notice.image-expanded .website-notice-snooze{display:none}
@media(min-width:851px){.website-notice{width:fit-content;max-width:calc(100vw - 36px);padding:0 0 10px;background:transparent;box-shadow:none;overflow:visible}.website-notice-image{display:flex;justify-content:center;background:transparent}.website-notice-image a{display:flex}.website-notice-image img{width:auto;max-width:calc(100vw - 36px);max-height:calc(100vh - 105px);border-radius:16px;background:transparent;box-shadow:0 24px 80px #001b3b66}.website-notice h3{display:none}.website-notice-dots{margin:9px 0 7px}.website-notice-snooze{margin-top:5px;background:#f3fbfc;box-shadow:0 4px 18px #001b3b33}.website-notice.image-expanded{width:fit-content;max-width:calc(100vw - 20px);background:transparent}.website-notice.image-expanded .website-notice-image img{width:auto;max-width:calc(100vw - 20px);max-height:96vh;border-radius:12px;background:transparent}}
@media(min-width:851px){.hero{min-height:0!important;aspect-ratio:8/3;background:url('assets/desktop-hero-fish-care.jpg') center/cover no-repeat!important}.hero>div{display:none}.hero-search{margin-top:0!important}}
@media(max-width:600px){
  .hero{min-height:0!important;aspect-ratio:2/3;background:url('assets/mobile-hero-fish-care.webp') center top/cover no-repeat!important}.hero>div{display:none}.hero-search{margin-top:0!important}
  .hero h1{font-size:clamp(30px,9vw,37px);overflow-wrap:anywhere}.hero h1 strong{display:block}
  .hero>div>p{max-width:100%;overflow-wrap:anywhere}.hero-points{grid-template-columns:1fr 1fr}.hero-points span:nth-child(3){display:none}
  .search-line input{width:0;min-width:0}.search-line button{display:block;flex:0 0 78px;min-width:78px}
  .catalog-main .section-title>a{display:none}
}
.classification-picker{border:0;margin:20px 0;padding:0}.classification-picker legend{font-weight:800;margin-bottom:10px}.classification-option{align-items:center;border:1px solid var(--line,#d9e2ec);border-radius:12px;cursor:pointer;display:grid;gap:12px;grid-template-columns:auto 1fr auto;margin:8px 0;padding:12px 14px}.classification-option:has(input:checked){border-color:var(--primary,#087c87);box-shadow:0 0 0 2px rgba(8,124,135,.14)}.classification-option.unavailable{cursor:not-allowed;opacity:.58}.classification-option input{accent-color:var(--primary,#087c87);height:18px;width:18px}.classification-option span{display:flex;flex-direction:column;gap:2px}.classification-option small{color:var(--muted,#64748b)}.classification-option strong{white-space:nowrap}
.classification-option-single{cursor:default;grid-template-columns:1fr}

/* New fish lots: received less than three days ago */
.new-fish-badge{position:absolute;z-index:3;left:10px;top:42px;padding:6px 10px;border-radius:999px;background:#e53935;color:#fff;font-size:11px;font-weight:850;box-shadow:0 4px 12px #7a101044}
.detail-new-fish{display:inline-flex;margin:5px 0 12px;padding:8px 12px;border-radius:999px;background:#fff0ef;color:#c62828;font-size:13px;font-weight:850}
.lot-price-rule{display:grid;gap:4px;margin:10px 0 14px;padding:11px 13px;border:1px solid #cfe3f1;border-radius:10px;background:#f3f9fd;color:#315d7d;font-size:12px;line-height:1.45}.lot-price-rule b{color:#0b426f;font-size:13px}
.classification-option.new-fish-lot{border-color:#ffb6b2;background:#fff8f7}
.new-fish-label{align-self:flex-start;padding:4px 8px;border-radius:999px;background:#e53935;color:#fff!important;font-size:11px;font-weight:850}
@media(max-width:850px){.new-fish-badge{left:6px;top:33px;padding:4px 7px;font-size:8px}.classification-option{gap:8px;padding:10px}.classification-option strong{font-size:13px}}
.card-lot-meta{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin:7px 0;padding:7px 0;border-top:1px solid #e7eef4;border-bottom:1px solid #e7eef4;color:#617b94;font-size:11px;line-height:1.25}.card-lot-meta span+span{text-align:right}.card-lot-meta b{display:block;margin-top:2px;color:#0b426f;font-size:12px}
@media(max-width:520px){.card-lot-meta{gap:3px;font-size:9px}.card-lot-meta b{font-size:10px}}