*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--red:#e02020;--red-dark:#b91414;--dark:#0f1117;--dark2:#1a1d27;--light:#f8f9fb;--text:#3d3d3d;--muted:#7a7a8c;--white:#fff;--radius:12px;--shadow:0 8px 40px rgba(0,0,0,.12);--shadow-lg:0 24px 80px rgba(0,0,0,.18)}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--text);background:var(--white);overflow-x:hidden}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 5%;height:72px;background:rgba(10,10,18,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s}
nav.scrolled{background:rgba(10,10,18,.99)}
.nav-logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav-logo-mark{width:40px;height:40px;background:var(--red);border-radius:8px;display:grid;place-items:center;font-weight:900;font-size:18px;color:#fff}
.nav-logo-text{color:#fff;font-size:18px;font-weight:700}
.nav-logo-text span{color:var(--red)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:rgba(255,255,255,.75);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{background:var(--red);color:#fff;padding:10px 24px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:background .2s}
.nav-cta:hover{background:var(--red-dark)}
.nav-dropdown{position:relative}
.nav-dropdown>a{display:flex;align-items:center;gap:5px;cursor:pointer}
.nav-dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#1a1a24;border:1px solid rgba(255,255,255,.08);border-radius:10px;min-width:170px;padding:22px 0 6px;list-style:none;box-shadow:0 12px 40px rgba(0,0,0,.4);z-index:1001;margin-top:0}
.nav-dropdown-menu::before{content:'';position:absolute;top:10px;left:50%;transform:translateX(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:6px solid rgba(255,255,255,.08)}
.nav-dropdown-menu li a{display:block;padding:10px 18px;color:rgba(255,255,255,.75);font-size:13px;font-weight:500;text-decoration:none;transition:color .2s,background .2s;white-space:nowrap}
.nav-dropdown-menu li a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-dropdown:hover .nav-dropdown-menu{display:block}

/* HERO */
.hero{min-height:480px;display:flex;align-items:flex-end;padding:100px 5% 64px;position:relative;overflow:hidden;background:var(--dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,18,.96) 0%,rgba(10,10,18,.55) 55%,rgba(10,10,18,.18) 100%)}
.hero-content{position:relative;z-index:1;max-width:680px}
.breadcrumb{display:flex;gap:8px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.5);text-decoration:none;font-size:13px;transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.35);font-size:13px}
.breadcrumb .sep{color:rgba(255,255,255,.22);font-size:11px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(224,32,32,.15);border:1px solid rgba(224,32,32,.3);color:#ff7070;padding:6px 16px;border-radius:40px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:20px}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;color:#fff;line-height:1.15;margin-bottom:14px}
.hero p{color:rgba(255,255,255,.65);font-size:17px;line-height:1.7;max-width:540px}

/* CONTENT */
.content-section{padding:84px 5%;background:#fff}
.content-grid{display:grid;grid-template-columns:1fr 400px;gap:72px;align-items:start}
.section-tag{display:inline-block;background:rgba(224,32,32,.08);color:var(--red);padding:6px 16px;border-radius:40px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:16px}
.divider{width:48px;height:4px;background:var(--red);border-radius:2px;margin-bottom:24px}
.sec-title{font-family:'Playfair Display',serif;font-size:clamp(1.7rem,3vw,2.4rem);font-weight:800;color:var(--dark);margin-bottom:18px;line-height:1.25}
.intro-text{font-size:16px;color:var(--muted);line-height:1.85;margin-bottom:36px}
.features-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:36px}
.feature-item{background:var(--light);border-radius:12px;padding:20px;border:1px solid rgba(0,0,0,.05);transition:box-shadow .3s,transform .3s}
.feature-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);background:#fff}
.feature-icon{color:var(--red);font-size:20px;margin-bottom:10px}
.feature-title{font-size:14px;font-weight:700;color:var(--dark);margin-bottom:5px}
.feature-desc{font-size:13px;color:var(--muted);line-height:1.6}

/* SIDEBAR */
.product-img-card{border-radius:16px;overflow:hidden;margin-bottom:24px;box-shadow:var(--shadow-lg)}
.product-img-card img{width:100%;display:block;aspect-ratio:4/3;object-fit:cover}
.spec-card{background:var(--dark);border-radius:16px;padding:28px}
.spec-card h4{color:rgba(255,255,255,.45);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:20px}
.spec-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.spec-row:last-child{border-bottom:none}
.spec-label{color:rgba(255,255,255,.45);font-size:13px}
.spec-value{color:#fff;font-size:13px;font-weight:600;text-align:right}
.cta-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:var(--red);color:#fff;padding:16px;border-radius:10px;font-size:15px;font-weight:700;text-decoration:none;margin-top:20px;transition:background .2s,transform .2s}
.cta-btn:hover{background:var(--red-dark);transform:translateY(-2px)}

/* RELATED */
.related{background:var(--light);padding:72px 5%}
.related h3{font-family:'Playfair Display',serif;font-size:1.9rem;font-weight:800;color:var(--dark);margin-bottom:8px}
.related>p{color:var(--muted);margin-bottom:40px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid rgba(0,0,0,.07);text-decoration:none;transition:box-shadow .3s,transform .3s;display:block}
.related-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.related-card-body{padding:20px}
.related-card-cat{font-size:11px;font-weight:700;color:var(--red);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}
.related-card-name{font-size:16px;font-weight:800;color:var(--dark);margin-bottom:8px}
.related-card-link{font-size:13px;color:var(--red);font-weight:600;display:inline-flex;align-items:center;gap:4px}

/* FOOTER */
footer{background:#07070f;padding:52px 5% 32px;border-top:1px solid rgba(255,255,255,.06)}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:14px;line-height:1.8;margin-top:16px;max-width:280px}
.footer-col h4{color:#fff;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:18px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{color:rgba(255,255,255,.45);font-size:14px;text-decoration:none;transition:color .2s}
.footer-col ul li a:hover{color:var(--red)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{color:rgba(255,255,255,.3);font-size:13px}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{color:rgba(255,255,255,.3);font-size:13px;text-decoration:none;transition:color .2s}
.footer-bottom-links a:hover{color:rgba(255,255,255,.7)}

/* WA */
.wa-float{position:fixed;bottom:28px;right:28px;z-index:999;width:56px;height:56px;background:#25d366;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:26px;box-shadow:0 4px 20px rgba(37,211,102,.5);text-decoration:none;transition:transform .2s}
.wa-float:hover{transform:scale(1.1)}

/* RESPONSIVE */
@media(max-width:960px){.content-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.features-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.nav-links,.nav-cta{display:none}.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}}