:root{--ink:#0b0f14;--ink2:#161c24;--muted:#64748b;--paper:#fff;--soft:#f4f7f9;--line:#e2e8f0;--yellow:#facc15;--yellow2:#fde047;--green:#16a34a;--red:#dc2626;--blue:#2563eb;--max:1220px;--shadow:0 12px 36px rgba(15,23,42,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Open Sans",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.topbar{background:#000;color:#fff;font-size:.88rem}.topbar .wrap{display:flex;justify-content:space-between;gap:18px;padding:8px 0}.site-header{position:sticky;top:0;z-index:30;background:rgba(11,15,20,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(12px)}.nav{min-height:72px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:800;white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--yellow);color:#000;display:grid;place-items:center;font-weight:900}.nav-links{display:flex;gap:20px;align-items:center;margin-left:auto}.nav-links a{color:#dce4ee;font-weight:700;font-size:.94rem}.nav-links a:hover{color:var(--yellow)}.nav-cta{background:var(--yellow);color:#111!important;padding:10px 16px;border-radius:999px}.menu-btn{display:none;margin-left:auto;background:none;border:1px solid #334155;color:#fff;border-radius:9px;padding:8px 12px;font-size:1rem}.hero{background:radial-gradient(circle at 80% 15%,rgba(250,204,21,.16),transparent 33%),linear-gradient(135deg,#090d12,#151c26);color:#fff;padding:72px 0 62px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:56px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#111;background:var(--yellow);padding:7px 11px;border-radius:999px;font-weight:800;font-size:.77rem;text-transform:uppercase;letter-spacing:.08em}.hero h1{font-size:clamp(2.65rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;margin:19px 0 20px}.hero h1 span{color:var(--yellow)}.hero p{font-size:1.15rem;color:#cbd5e1;max-width:700px}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;font-weight:800;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--yellow);color:#111}.btn-primary:hover{background:var(--yellow2)}.btn-secondary{border-color:#475569;color:#fff;background:#ffffff08}.btn-dark{background:var(--ink);color:#fff}.btn-disabled{background:#e2e8f0;color:#64748b;cursor:not-allowed}.hero-art{border-radius:32px;box-shadow:0 30px 80px rgba(0,0,0,.35);transform:rotate(1deg)}.trust{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.trust-item{padding:21px 18px;border-right:1px solid var(--line)}.trust-item:last-child{border:0}.trust-item strong{display:block}.trust-item span{color:var(--muted);font-size:.9rem}.section{padding:68px 0}.section-soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}.section-head h2,.page-title{font-size:clamp(2rem,4vw,3.15rem);line-height:1.05;letter-spacing:-.035em;margin:0}.section-head p{color:var(--muted);max-width:660px;margin:0}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.product-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:.18s ease;box-shadow:0 2px 0 rgba(15,23,42,.02)}.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cbd5e1}.product-image{aspect-ratio:1.12/1;background:#eef2f7;padding:24px;display:grid;place-items:center}.product-image img{height:100%;width:100%;object-fit:contain;border-radius:15px}.product-body{padding:17px;display:flex;flex-direction:column;gap:10px;flex:1}.kicker{color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;font-weight:800}.product-title{font-size:1rem;line-height:1.32;margin:0;font-weight:800}.price{font-size:1.22rem;font-weight:900}.old-price{color:#94a3b8;text-decoration:line-through;font-size:.9rem;margin-right:7px}.sale-pill{display:inline-block;background:#dcfce7;color:#166534;font-weight:800;border-radius:999px;padding:3px 7px;font-size:.72rem}.card-actions{margin-top:auto;padding-top:5px;display:flex;gap:8px}.card-actions .btn{padding:10px 12px;font-size:.86rem;width:100%}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.info-card{border:1px solid var(--line);border-radius:18px;padding:23px;background:#fff}.info-card h3{margin:5px 0 9px}.info-card p{margin:0;color:var(--muted)}.distro-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.distro-card{border:1px solid var(--line);border-radius:15px;padding:12px;background:#fff;transition:.15s}.distro-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.distro-card img{border-radius:12px}.distro-card strong{font-size:.84rem;display:block;margin-top:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.footer{background:#080b0f;color:#cbd5e1;padding:55px 0 28px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:38px}.footer h4{color:#fff;margin:0 0 12px}.footer a{display:block;color:#cbd5e1;padding:4px 0}.footer a:hover{color:var(--yellow)}.footer-note{border-top:1px solid #273242;margin-top:34px;padding-top:22px;color:#94a3b8;font-size:.84rem}.page-hero{background:#0b0f14;color:#fff;padding:46px 0}.page-hero p{color:#cbd5e1;max-width:760px}.shop-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:28px;align-items:start}.filters{position:sticky;top:96px;border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.filters h3{margin-top:0}.filter-group{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.filter-group label{display:flex;gap:9px;align-items:center;margin:7px 0;font-size:.9rem}.searchbar{display:flex;gap:12px;margin-bottom:20px}.searchbar input,.searchbar select,.form input,.form textarea,.form select{border:1px solid #cbd5e1;border-radius:11px;padding:12px 13px;font:inherit;background:#fff}.searchbar input{flex:1}.catalog-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px;color:var(--muted);font-size:.92rem}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.breadcrumbs{font-size:.86rem;color:#64748b;margin-bottom:14px}.product-page{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}.product-visual{background:#eef2f7;border-radius:24px;padding:40px;border:1px solid var(--line);position:sticky;top:105px}.product-visual img{border-radius:20px}.product-info h1{font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.035em;line-height:1.05;margin:7px 0 17px}.product-price{font-size:2rem;font-weight:900;margin:16px 0}.stock{display:inline-flex;gap:7px;align-items:center;color:#166534;background:#dcfce7;border-radius:999px;padding:6px 10px;font-weight:800;font-size:.82rem}.desc{font-size:1.04rem;color:#334155}.feature-list{list-style:none;padding:0}.feature-list li{padding:10px 0;border-bottom:1px solid var(--line)}.notice{background:#fffbeb;border:1px solid #fde68a;border-radius:14px;padding:15px;color:#713f12}.prose{max-width:820px}.prose h2{margin-top:32px}.prose p,.prose li{color:#334155}.faq details{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:10px 0;background:#fff}.faq summary{font-weight:800;cursor:pointer}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px}.form{display:grid;gap:12px}.form textarea{min-height:150px}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.stat strong{font-size:2rem;display:block}.empty{border:1px dashed #cbd5e1;border-radius:15px;padding:35px;text-align:center;color:#64748b}.mobile-filter{display:none}.badge-line{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:999px;padding:6px 9px;font-size:.8rem;font-weight:700}.seo-note{font-size:.78rem;color:#64748b}.pagination{display:flex;gap:8px;justify-content:center;margin-top:28px;flex-wrap:wrap}.pagination button{border:1px solid var(--line);background:#fff;padding:8px 11px;border-radius:8px;cursor:pointer}.pagination button.active{background:#111827;color:#fff}
@media(max-width:1050px){.cards{grid-template-columns:repeat(3,1fr)}.distro-grid{grid-template-columns:repeat(5,1fr)}.catalog-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}.hero-grid{gap:34px}}
@media(max-width:780px){.topbar .wrap{justify-content:center}.topbar .wrap span:last-child{display:none}.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#0b0f14;padding:18px;width:100%;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}.hero{padding:48px 0}.hero-grid,.product-page,.contact-grid{grid-template-columns:1fr}.hero-art{margin-top:12px}.trust-grid{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.cards{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.distro-grid{grid-template-columns:repeat(3,1fr)}.shop-layout{grid-template-columns:1fr}.filters{position:static;display:none}.filters.open{display:block}.mobile-filter{display:inline-flex}.catalog-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.product-visual{position:static}.stat-row{grid-template-columns:1fr 1fr}.section{padding:52px 0}}
@media(max-width:520px){.wrap{width:min(var(--max),calc(100% - 24px))}.hero h1{font-size:2.7rem}.cards,.catalog-grid{grid-template-columns:1fr}.distro-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.section-head{align-items:start;flex-direction:column}.searchbar{flex-direction:column}.footer-grid{grid-template-columns:1fr}.stat-row{grid-template-columns:1fr 1fr}.page-hero{padding:34px 0}}

/* =========================================================
   TheLinuxShop USA — USA.gov / USWDS-inspired visual theme
   Independent retail site: no official .gov banner or seal.
   ========================================================= */
:root{
  --ink:#1b1b1b;
  --ink2:#3d4551;
  --muted:#565c65;
  --paper:#ffffff;
  --soft:#f0f0f0;
  --line:#dfe1e2;
  --yellow:#ffbe2e;
  --yellow2:#fee685;
  --green:#538200;
  --red:#d83933;
  --blue:#005ea2;
  --navy:#162e51;
  --navy2:#1a4480;
  --blue-light:#d9e8f6;
  --blue-lightest:#eff6fb;
  --max:1200px;
  --shadow:0 4px 12px rgba(22,46,81,.12)
}
body{font-family:"Public Sans","Source Sans Pro",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:4px solid #ffbe2e;outline-offset:2px}
.topbar{background:#f0f0f0;color:#1b1b1b;border-bottom:1px solid #dfe1e2;font-size:.86rem}
.topbar .wrap{padding:7px 0}
.site-header{background:#fff;color:var(--navy);border-bottom:5px solid var(--blue);box-shadow:0 1px 4px rgba(0,0,0,.08);backdrop-filter:none}
.nav{min-height:78px}
.brand{color:var(--navy);font-size:1.28rem;letter-spacing:-.015em}
.brand-mark{width:42px;height:42px;border-radius:3px;background:linear-gradient(180deg,#fff 0 58%,#d83933 58% 100%);color:var(--navy);border:3px solid var(--navy);box-shadow:inset 0 -2px 0 rgba(0,0,0,.08)}
.nav-links a{color:var(--navy);font-weight:750}
.nav-links a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:2px}
.nav-cta{background:var(--blue);color:#fff!important;padding:11px 17px;border-radius:4px}
.nav-cta:hover{background:var(--navy2);color:#fff!important;text-decoration:none!important}
.menu-btn{border:2px solid var(--blue);color:var(--blue);border-radius:4px;background:#fff;font-weight:800}
.hero{background:linear-gradient(90deg,#ffffff 0%,#ffffff 57%,#eff6fb 57%,#eff6fb 100%);color:var(--ink);padding:68px 0 64px;border-bottom:8px solid var(--red)}
.hero-grid{gap:52px}
.eyebrow{color:var(--navy);background:var(--blue-light);border-left:6px solid var(--red);padding:8px 12px;border-radius:0;font-size:.78rem;letter-spacing:.06em}
.hero h1{color:var(--navy);font-size:clamp(2.65rem,5.5vw,5rem);letter-spacing:-.045em;line-height:1.01}
.hero h1 span{color:var(--blue)}
.hero p{color:#3d4551;font-size:1.16rem}
.hero-art{border-radius:8px;box-shadow:0 10px 30px rgba(22,46,81,.18);transform:none;border:1px solid #aacdec}
.btn{border-radius:4px;padding:12px 18px;font-weight:800;box-shadow:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--navy2)}
.btn-secondary{border:2px solid var(--blue);color:var(--blue);background:#fff}
.btn-secondary:hover{background:var(--blue-lightest)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:#0f2340}
.btn-disabled{background:#dfe1e2;color:#565c65}
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust-grid{border-left:1px solid var(--line)}
.trust-item{border-right:1px solid var(--line);border-top:4px solid var(--blue);padding:22px 18px}
.trust-item:nth-child(even){border-top-color:var(--red)}
.trust-item strong{color:var(--navy)}
.trust-item span{color:var(--muted)}
.section{padding:64px 0}
.section-soft{background:#f7f9fb}
.section-head h2,.page-title{color:var(--navy);letter-spacing:-.028em}
.section-head h2:after,.page-title:after{content:"";display:block;width:64px;height:5px;background:var(--red);margin-top:13px}
.kicker{color:var(--blue);letter-spacing:.055em}
.product-card{border:2px solid var(--line);border-radius:6px;box-shadow:none}
.product-card:hover{transform:none;box-shadow:0 4px 14px rgba(22,46,81,.14);border-color:#73b3e7}
.product-image{background:var(--blue-lightest);padding:22px;border-bottom:1px solid var(--line)}
.product-image img{border-radius:5px}
.product-title a{color:var(--navy)}
.product-title a:hover{color:var(--blue);text-decoration:underline}
.price{color:var(--navy)}
.old-price{color:#71767a}
.sale-pill{background:#f3e1e4;color:#8b0a03;border-radius:3px;padding:4px 7px}
.info-card{border:2px solid var(--line);border-radius:6px;border-top:6px solid var(--blue);box-shadow:none}
.info-card:nth-child(2){border-top-color:var(--red)}
.info-card:nth-child(3){border-top-color:var(--navy)}
.info-card h3{color:var(--navy)}
.distro-card{border:2px solid var(--line);border-radius:5px;background:#fff}
.distro-card:hover{box-shadow:0 3px 10px rgba(22,46,81,.12);transform:none;border-color:#73b3e7}
.distro-card img{border-radius:3px}
.distro-card strong{color:var(--navy)}
.footer{background:var(--navy);color:#d9e8f6;padding:56px 0 28px;border-top:7px solid var(--red)}
.footer .brand{color:#fff}
.footer .brand-mark{border-color:#fff;color:var(--navy)}
.footer h4{color:#fff;border-bottom:3px solid #73b3e7;padding-bottom:8px;display:inline-block}
.footer a{color:#fff}
.footer a:hover{color:#a1d3ff;text-decoration:underline}
.footer-note{border-top:1px solid #5c7ea5;color:#d9e8f6}
.page-hero{background:var(--navy);color:#fff;padding:48px 0;border-bottom:7px solid var(--red)}
.page-hero .page-title{color:#fff}
.page-hero .page-title:after{background:#73b3e7}
.page-hero p{color:#d9e8f6}
.breadcrumbs{color:#565c65}
.breadcrumbs a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.filters{border:2px solid var(--line);border-radius:5px;border-top:6px solid var(--blue)}
.filter-group{border-color:var(--line)}
.searchbar input,.searchbar select,.form input,.form textarea,.form select{border:2px solid #a9aeb1;border-radius:4px;min-height:44px}
.searchbar input:focus,.searchbar select:focus,.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--blue)}
.catalog-grid .product-card{border-width:2px}
.product-visual{background:var(--blue-lightest);border-radius:6px;border:2px solid var(--line);border-top:7px solid var(--blue)}
.product-visual img{border-radius:4px}
.product-info h1{color:var(--navy)}
.product-price{color:var(--navy)}
.stock{color:#446400;background:#eaf4dd;border:1px solid #719f2a;border-radius:3px}
.desc,.prose p,.prose li{color:#3d4551}
.feature-list li{border-color:var(--line)}
.notice{background:#fef0c8;border:2px solid #ffbe2e;border-left:7px solid #ffbe2e;border-radius:3px;color:#5c4100}
.faq details{border:2px solid var(--line);border-radius:4px}
.faq summary{color:var(--navy)}
.stat{border:2px solid var(--line);border-radius:5px;border-top:5px solid var(--blue)}
.stat:nth-child(even){border-top-color:var(--red)}
.stat strong{color:var(--navy)}
.empty{border:2px dashed #a9aeb1;border-radius:4px}
.chip{background:#e7f3f8;border:1px solid #97d4ea;border-radius:3px;color:#075985}
.pagination button{border:2px solid #a9aeb1;border-radius:3px;color:var(--navy);font-weight:700}
.pagination button:hover{border-color:var(--blue);background:var(--blue-lightest)}
.pagination button.active{background:var(--blue);border-color:var(--blue);color:#fff}
@media(max-width:780px){
  .nav-links{background:#fff;border-top:1px solid var(--line);border-bottom:5px solid var(--blue);box-shadow:0 10px 22px rgba(22,46,81,.15)}
  .nav-links a{color:var(--navy)}
  .hero{background:linear-gradient(180deg,#fff 0 68%,#eff6fb 68% 100%)}
}

/* Launch design: refined independent US Linux retailer */
:root{
  --navy:#071b35;
  --navy2:#123f73;
  --blue:#0868ac;
  --red:#c83238;
  --soft:#f4f7fb;
  --line:#d7e0ea;
  --shadow:0 18px 48px rgba(7,27,53,.10);
}
body{font-size:16px;background:#fff;color:#172231}
button#nl-badge {display:none;}
.wrap{width:min(1180px,calc(100% - 40px))}
.topbar{background:#071b35;color:#dce9f7;border:0}
.topbar .wrap{padding:9px 0;font-size:.8rem;letter-spacing:.015em}
.site-header{border-bottom:1px solid #dbe4ee;box-shadow:0 6px 24px rgba(7,27,53,.07)}
.nav{min-height:86px;gap:32px}
.brand-logo{width:auto;height:58px;max-width:250px;object-fit:contain}
.nav-links{gap:25px}
.nav-links a{font-size:.91rem;letter-spacing:.01em}
.nav-cta{border-radius:6px;box-shadow:0 5px 14px rgba(8,104,172,.2)}
.hero{position:relative;min-height:580px;padding:0;background:#071b35 url('../images/brand/usa-hero-banner.png') center/cover no-repeat;border:0;display:flex;align-items:center}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,14,31,.98) 0%,rgba(5,24,50,.94) 39%,rgba(5,24,50,.28) 66%,rgba(5,24,50,.02) 100%)}
.hero-shell{position:relative;z-index:1;width:min(1180px,calc(100% - 40px));padding:76px 0}
.hero-copy{max-width:590px;color:#fff}
.hero .eyebrow{color:#dcecff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-left:4px solid #ef4b51;border-radius:4px;backdrop-filter:blur(6px)}
.hero h1{color:#fff;font-size:clamp(3rem,5.7vw,5.6rem);line-height:.97;letter-spacing:-.052em;margin:24px 0 20px;text-wrap:balance}
.hero p{color:#d5e2ef;max-width:560px;font-size:1.12rem;line-height:1.7}
.hero .btn-primary{background:#fff;color:#0a4f84;border-color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.hero .btn-primary:hover{background:#eaf4fc;color:#083e68}
.hero .btn-secondary{border-color:rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.05)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.13)}
.hero-proof{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.hero-proof span{padding:7px 10px;border:1px solid rgba(255,255,255,.19);border-radius:4px;color:#d9e8f6;background:rgba(2,12,27,.28);font-size:.78rem;font-weight:700}
.trust{background:#fff;box-shadow:0 10px 32px rgba(7,27,53,.06);position:relative;z-index:2}
.trust-grid{border:0}
.trust-item{border-top:0;padding:25px 22px}
.trust-item strong{font-size:.95rem;margin-bottom:4px}
.section{padding:78px 0}
.section-soft{background:#f4f7fb}
.section-head{margin-bottom:34px}
.section-head h2,.page-title{letter-spacing:-.038em}
.section-head h2:after,.page-title:after{width:48px;height:4px;border-radius:2px;margin-top:14px}
.product-card{border:1px solid #dbe4ed;border-radius:10px;box-shadow:0 2px 8px rgba(7,27,53,.03);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#aac7df}
.product-image{background:linear-gradient(155deg,#f9fbfd,#edf4f9);padding:28px;border-bottom:1px solid #e2e9f0}
.product-image img{object-fit:contain;border-radius:0;filter:drop-shadow(0 8px 14px rgba(7,27,53,.08))}
.product-body{padding:20px;gap:12px}
.product-title{font-size:1.02rem;line-height:1.45}
.price{font-size:1.28rem}
.btn{border-radius:6px;transition:background .15s ease,color .15s ease,transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-ghost{border-color:#b8cadb;color:#17486f;background:#fff}
.btn-ghost:hover{background:#eff6fb}
.distro-grid{gap:17px}
.distro-card{border:1px solid #dbe4ed;border-radius:10px;padding:15px;box-shadow:0 2px 8px rgba(7,27,53,.03)}
.distro-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(7,27,53,.09);border-color:#aac7df}
.distro-card img{aspect-ratio:1/1;object-fit:contain;background:#f6f9fc;padding:8px}
.info-card{border:1px solid #dbe4ed;border-top:5px solid var(--blue);border-radius:8px;padding:28px;box-shadow:0 8px 26px rgba(7,27,53,.04)}
.page-hero{background:linear-gradient(120deg,#071b35,#123f73);border-bottom:4px solid var(--red);padding:58px 0}
.filters{border:1px solid #d5e0ea;border-top:5px solid var(--blue);border-radius:8px;box-shadow:0 8px 26px rgba(7,27,53,.05)}
.product-page{gap:58px}
.product-visual{background:linear-gradient(155deg,#f9fbfd,#eaf2f8);border:1px solid #d6e1eb;border-top:5px solid var(--blue);border-radius:10px;padding:48px;box-shadow:0 15px 40px rgba(7,27,53,.07)}
.product-visual img{width:100%;aspect-ratio:1/1;object-fit:contain;border-radius:0;filter:drop-shadow(0 12px 20px rgba(7,27,53,.1))}
.product-info h1{font-size:clamp(2.15rem,4vw,3.35rem);line-height:1.08}
.btn-buy{font-size:1rem;padding:15px 24px;min-width:210px;box-shadow:0 8px 20px rgba(8,104,172,.22)}
.footer{background:#06162b;border-top:4px solid var(--red)}
.footer .brand-logo{height:54px;filter:drop-shadow(0 3px 8px rgba(0,0,0,.2))}
@media(max-width:780px){
  .wrap,.hero-shell{width:min(100% - 28px,1180px)}
  .brand-logo{height:48px;max-width:205px}
  .hero{min-height:600px;background-position:66% center}
  .hero:after{background:linear-gradient(90deg,rgba(3,14,31,.97) 0%,rgba(5,24,50,.89) 62%,rgba(5,24,50,.52) 100%)}
  .hero-shell{padding:64px 0}
  .hero-copy{max-width:530px}
  .hero h1{font-size:clamp(2.65rem,12vw,4.5rem)}
  .nav-links{top:86px}
}
@media(max-width:520px){
  .hero{min-height:620px;background-position:72% center}
  .hero:after{background:rgba(3,14,31,.86)}
  .hero h1{font-size:2.75rem}
  .hero-proof{gap:7px}
  .trust-item{padding:21px 4px}
  .product-visual{padding:30px}
}

/* LinuxBooks department */
.books-hero{background:linear-gradient(120deg,#06162b 0%,#102f55 66%,#8f1f27 140%)}
.books-hero .eyebrow{margin-bottom:20px;background:#ffcf4a;color:#071b35;border:0}
.book-benefits{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 10px 30px rgba(7,27,53,.05)}
.book-benefits-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.book-benefits-grid>div{padding:24px 28px;border-right:1px solid var(--line)}
.book-benefits-grid>div:last-child{border-right:0}
.book-benefits strong{display:block;color:var(--navy);margin-bottom:4px}
.book-benefits span{display:block;color:var(--muted);font-size:.9rem}
.books-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:30px;align-items:start}
.book-filters label{justify-content:space-between;align-items:flex-start}
.book-filters label span{margin-left:auto;color:#68798b;font-size:.78rem;font-weight:800}
.books-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.book-card{min-width:0;display:flex;flex-direction:column;background:#fff;border:1px solid #dbe4ed;border-radius:10px;overflow:hidden;box-shadow:0 3px 12px rgba(7,27,53,.04);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.book-card:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(7,27,53,.13);border-color:#9fbfd8}
.book-cover{display:grid;place-items:center;min-height:305px;padding:24px;background:linear-gradient(155deg,#f8fbfd,#eaf2f8);border-bottom:1px solid #dfe7ee}
.book-cover img{width:100%;height:270px;object-fit:contain;filter:drop-shadow(0 12px 16px rgba(7,27,53,.16))}
.book-card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:19px}
.book-format{font-size:.69rem;font-weight:900;letter-spacing:.075em;color:var(--red)}
.book-card h3{font-size:1.03rem;line-height:1.34;margin:0;color:var(--navy)}
.book-card h3 a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.book-card p{margin:0;color:#526174;font-size:.88rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.book-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto;padding-top:7px}
.book-card-actions .btn{padding:10px 9px;font-size:.78rem;text-align:center}
.books-home{background:#fff;border-top:1px solid #e2e9f0}
.home-books-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.section-cta{display:flex;justify-content:center;margin-top:30px}
.book-detail-section{background:#fff}
.book-detail{display:grid;grid-template-columns:minmax(280px,.78fr) minmax(0,1.22fr);gap:64px;align-items:start}
.book-detail-cover{position:sticky;top:112px;display:grid;place-items:center;min-height:520px;padding:45px;background:linear-gradient(155deg,#f8fbfd,#e9f2f8);border:1px solid #d4e0ea;border-top:5px solid var(--red);border-radius:10px;box-shadow:0 18px 46px rgba(7,27,53,.09)}
.book-detail-cover img{width:100%;max-height:500px;object-fit:contain;filter:drop-shadow(0 16px 22px rgba(7,27,53,.2))}
.book-detail-intro h1{font-size:clamp(2.35rem,4.8vw,4.3rem);line-height:1.02;letter-spacing:-.05em;color:var(--navy);margin:10px 0 18px}
.book-subtitle{font-size:1.17rem;line-height:1.65;color:#45566a;max-width:760px}
.book-chips{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 20px}
.book-chips span{padding:7px 10px;border-radius:4px;background:#e9f3fa;border:1px solid #bdd7ea;color:#154a73;font-size:.78rem;font-weight:800}
.book-topics{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.book-topics li{padding:11px 0 11px 28px;border-bottom:1px solid var(--line);position:relative;color:#36475a}
.book-topics li:before{content:"✓";position:absolute;left:3px;color:#2b6e1e;font-weight:900}
.checkout-note{font-size:.82rem;color:#657487;margin-top:16px}
.book-description{max-width:900px}
.book-description h4{font-size:1.25rem;color:var(--navy);margin:32px 0 10px}
.book-description p,.book-description li{color:#33465a;line-height:1.75}
.book-description ul{padding-left:22px}
.book-description li{margin:7px 0}
@media(max-width:1100px){.books-grid,.home-books-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:780px){
  .book-benefits-grid{grid-template-columns:1fr}
  .book-benefits-grid>div{border-right:0;border-bottom:1px solid var(--line);padding:19px 4px}
  .books-layout{grid-template-columns:1fr}
  .book-filters{display:none;position:static}
  .book-filters.open{display:block}
  .books-grid,.home-books-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .book-detail{grid-template-columns:1fr;gap:38px}
  .book-detail-cover{position:static;min-height:420px}
}
@media(max-width:520px){
  .books-grid,.home-books-grid{grid-template-columns:1fr}
  .book-cover{min-height:330px}
  .book-cover img{height:300px}
  .book-detail-cover{min-height:360px;padding:30px}
  .book-card-actions{grid-template-columns:1fr}
}