:root{--navy:#003F91;--navy-dark:#002e6b;--green:#39B54A;--green-dark:#2a8a37;--ink:#1b2230;--muted:#5a6475;--line:#e3e8ef;--bg-soft:#f5f8fc;--radius:12px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--navy)}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.container{max-width:1120px;margin:0 auto;padding:0 1.25rem}
/* header */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:68px}
.logo{display:flex;align-items:center;gap:.55rem;text-decoration:none;font-weight:800;font-size:1.15rem;color:var(--navy);letter-spacing:-.01em}
.logo .pro{color:var(--green)}
.logo-mark{display:block;width:44px;height:44px;flex:none}
.footer-brand{display:inline-flex;align-items:center;gap:.6rem}
.footer-mark{display:block;width:40px;height:40px;flex:none}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav a{white-space:nowrap;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.nav a:hover,.nav a[aria-current=page]{color:var(--navy)}
.nav a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--green)}
.nav a.cart-link[aria-current=page]{box-shadow:none;background:var(--bg-soft)}
.cart-link{position:relative;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;color:var(--navy)!important}
.cart-link:hover{background:var(--bg-soft)}
.badge{position:absolute;top:2px;right:0;min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--green);color:#fff;font-size:.72rem;font-weight:800;display:flex;align-items:center;justify-content:center;line-height:1}
.badge[data-count="0"]{background:#9aa5b5}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.75rem 1.3rem;border-radius:8px;border:2px solid transparent;font:inherit;font-weight:700;font-size:.95rem;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-dark)}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-dark)}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--bg-soft)}
.btn[disabled],.btn[aria-disabled=true]{background:#e6eaf0;color:#7b8594;border-color:transparent;cursor:not-allowed}
.btn-block{width:100%}
/* hero */
.hero{background:linear-gradient(180deg,var(--bg-soft),#fff);padding:4.5rem 0 3.5rem}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green-dark);margin-bottom:.8rem}
.hero h1{font-size:clamp(2rem,4.5vw,3rem);line-height:1.15;margin:0 0 1rem;color:var(--navy);letter-spacing:-.02em;max-width:760px}
.hero p{font-size:1.1rem;color:var(--muted);max-width:640px;margin:0 0 1.8rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}
/* sections */
section{padding:3.5rem 0}
.section-head{margin-bottom:1.8rem}
.section-head h2{font-size:1.7rem;margin:0 0 .4rem;color:var(--navy);letter-spacing:-.01em}
.section-head p{margin:0;color:var(--muted)}
/* product grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;background:#fff;transition:box-shadow .15s}
.card:hover{box-shadow:0 8px 24px rgba(0,63,145,.08)}
.card-media{aspect-ratio:16/10;background:var(--bg-soft);border-bottom:1px solid var(--line);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;object-position:top left}
.card-media.placeholder{display:flex;align-items:center;justify-content:center;color:var(--navy);opacity:.55}
.card-body{padding:1.25rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.card h3{margin:0;font-size:1.15rem;line-height:1.3}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card-foot{margin-top:auto;padding-top:.8rem;display:flex;align-items:center;justify-content:space-between;gap:.75rem}
.price{font-size:1.35rem;font-weight:800;color:var(--navy)}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.25rem .55rem;border-radius:999px;background:#e8f6ea;color:var(--green-dark);align-self:flex-start}
.tag.soon{background:#eef1f6;color:var(--muted)}
/* ladder */
.ladder{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;align-items:stretch}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;gap:.6rem;position:relative}
.tier.current{border:2px solid var(--green)}
.tier-num{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green-dark)}
.tier h3{margin:0;font-size:1.2rem;color:var(--navy)}
.tier .price{font-size:1.25rem}
.tier ul{margin:.3rem 0 0;padding-left:1.1rem;color:var(--ink);font-size:.93rem}
.tier li{margin:.25rem 0}
.tier li span{color:var(--muted)}
.tier .includes{font-size:.85rem;font-weight:700;color:var(--muted);margin:0}
.tier .btn{margin-top:auto}
.ladder-note{margin-top:1.25rem;color:var(--muted);font-size:.92rem}
/* product page */
.breadcrumb{font-size:.88rem;color:var(--muted);padding:1.25rem 0 0}
.breadcrumb a{color:var(--muted)}
.product{display:grid;grid-template-columns:1.25fr 1fr;gap:2.5rem;padding:1.5rem 0 3rem;align-items:start}
.gallery-main{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.gallery-main figure{margin:0}
.gallery-main img{width:100%;height:auto}
.gallery-main figcaption{font-size:.85rem;color:var(--muted);padding:.6rem .9rem;border-top:1px solid var(--line);background:var(--bg-soft)}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin-top:.75rem;padding:0;list-style:none}
.thumbs button{padding:0;border:2px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;cursor:pointer;aspect-ratio:4/3;width:100%}
.thumbs button img{width:100%;height:100%;object-fit:cover;object-position:top left}
.thumbs button[aria-pressed=true]{border-color:var(--navy)}
.thumbs span{display:block;font-size:.75rem;text-align:center;color:var(--muted);margin-top:.25rem}
.info h1{font-size:clamp(1.6rem,3vw,2.1rem);line-height:1.2;margin:.2rem 0 .4rem;color:var(--navy);letter-spacing:-.01em}
.byline{color:var(--muted);margin:0 0 1rem;font-size:.95rem}
.info .price{font-size:2rem;display:block;margin-bottom:1rem}
.formats{display:flex;gap:.5rem;flex-wrap:wrap;margin:0 0 1.2rem;padding:0;list-style:none}
.formats li{font-size:.8rem;font-weight:700;padding:.3rem .65rem;border-radius:6px;background:var(--bg-soft);color:var(--navy);border:1px solid var(--line)}
.features{list-style:none;padding:0;margin:1.2rem 0 1.5rem}
.features li{position:relative;padding-left:1.8rem;margin:.7rem 0}
.features li::before{content:"";position:absolute;left:0;top:.35rem;width:1.1rem;height:1.1rem;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='white' stroke-width='2.2' d='M4 8.5l2.6 2.5L12 5.5'/%3E%3C/svg%3E") center/80% no-repeat}
.features strong{color:var(--navy)}
.add-row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}
.notice{font-size:.9rem;color:var(--green-dark);font-weight:700;min-height:1.4em;margin:.6rem 0 0}
.fine{font-size:.85rem;color:var(--muted);margin-top:1.2rem}
.details{border-top:1px solid var(--line);padding:2.5rem 0}
.details h2{color:var(--navy);font-size:1.4rem;margin:0 0 1rem}
.details-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.25rem}
.details-grid div{background:var(--bg-soft);border-radius:var(--radius);padding:1.2rem}
.details-grid h3{margin:0 0 .4rem;font-size:1rem;color:var(--navy)}
.details-grid p{margin:0;font-size:.92rem;color:var(--muted)}
/* cart */
.cart-wrap{display:grid;grid-template-columns:1fr 340px;gap:2rem;padding:1rem 0 4rem;align-items:start}
.page-title{color:var(--navy);font-size:2rem;margin:2rem 0 1rem;letter-spacing:-.01em}
.cart-items{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.cart-item{display:grid;grid-template-columns:96px 1fr auto;gap:1rem;align-items:center;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.cart-item img{width:96px;height:72px;object-fit:cover;object-position:top left;border:1px solid var(--line);border-radius:8px}
.cart-item h2{font-size:1.02rem;margin:0 0 .2rem}
.cart-item h2 a{text-decoration:none;color:var(--ink)}
.cart-item .unit{font-size:.88rem;color:var(--muted)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;margin-top:.5rem}
.qty button{width:34px;height:34px;border:0;background:#fff;font:inherit;font-size:1.1rem;font-weight:700;color:var(--navy);cursor:pointer;border-radius:8px}
.qty button:hover{background:var(--bg-soft)}
.qty output{min-width:2.2rem;text-align:center;font-weight:700}
.line-total{font-weight:800;color:var(--navy);text-align:right}
.remove{background:none;border:0;color:#b42318;font:inherit;font-size:.85rem;font-weight:600;cursor:pointer;padding:.3rem 0;margin-top:.3rem;text-decoration:underline}
.summary{border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;background:var(--bg-soft);position:sticky;top:90px}
.summary h2{margin:0 0 1rem;font-size:1.15rem;color:var(--navy)}
.summary-row{display:flex;justify-content:space-between;margin:.4rem 0;color:var(--muted)}
.summary-row.total{border-top:1px solid var(--line);padding-top:.8rem;margin-top:.8rem;color:var(--ink);font-weight:800;font-size:1.2rem}
.summary .btn{margin-top:1.2rem}
.summary .fine{margin-top:.8rem}
.empty{padding:3rem 1rem;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted)}
.empty p{margin:0 0 1rem}
/* footer */
.site-footer{border-top:1px solid var(--line);padding:2rem 0;color:var(--muted);font-size:.88rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media (max-width:900px){.tiers{grid-template-columns:1fr}.product{grid-template-columns:1fr}.cart-wrap{grid-template-columns:1fr}.summary{position:static}}
@media (max-width:560px){.nav{gap:.75rem}.nav a{font-size:.9rem}.logo{gap:.4rem}.logo-mark{width:38px;height:38px}.logo span.word{font-size:.98rem}.cart-item{grid-template-columns:64px 1fr}.cart-item img{width:64px;height:48px}.line-total{grid-column:2;text-align:left}.hero{padding:3rem 0 2.5rem}}
@media (max-width:420px){.nav{gap:.55rem}.nav a{font-size:.85rem}.logo span.word{font-size:.9rem}.header-inner{gap:.5rem}.container{padding:0 1rem}}
@media (max-width:350px){.logo span.word{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}