:root{
  --navy:#0b2545; --navy-2:#13315c; --teal:#00a6a6; --teal-d:#007f80; --lime:#b8e04a; --sun:#ffc93c; --coral:#ff6b6b; --sky:#e6f7f7;
  --ink:#1b2430; --muted:#5b6675; --line:#e5eaf0; --bg:#fbfcfe; --card:#fff; --radius:18px;
  --shadow:0 10px 30px rgba(11,37,69,.10); --shadow-h:0 18px 40px rgba(11,37,69,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--teal-d)}
h1,h2,h3,.brand{font-family:"Poppins",system-ui,sans-serif;line-height:1.2;color:var(--navy)}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* top bar */
.topbar{background:var(--navy);color:#dbe7f5;font-size:14px}
.topbar .wrap{display:flex;gap:22px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar .items{display:flex;gap:22px;flex-wrap:wrap}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;text-decoration:none;color:var(--navy)}
.brand .logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--lime));display:grid;place-items:center;color:#fff;font-size:22px;box-shadow:0 6px 16px rgba(0,166,166,.35)}
.brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--teal-d);text-transform:uppercase}
.menu{display:flex;gap:6px;align-items:center}
.menu a{text-decoration:none;color:var(--navy);font-weight:600;padding:8px 14px;border-radius:999px;font-size:15px}
.menu a:hover{background:var(--sky)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--coral);color:#fff !important;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:999px;box-shadow:0 8px 20px rgba(255,107,107,.35);transition:transform .2s,box-shadow .2s;border:0;cursor:pointer;font-size:15px;font-family:inherit}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,107,.45)}
.btn.teal{background:var(--teal);box-shadow:0 8px 20px rgba(0,166,166,.35)}
.btn.ghost{background:#fff;color:var(--navy) !important;box-shadow:none;border:2px solid #fff}
.menu .btn{padding:9px 18px}
.burger{display:none;background:none;border:0;font-size:28px;color:var(--navy);cursor:pointer}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(120deg,rgba(11,37,69,.92),rgba(0,127,128,.80)),var(--hero) center/cover}
.hero .wrap{position:relative;z-index:2;padding:90px 20px 110px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{color:#fff;font-size:clamp(36px,6vw,64px);margin:0 0 18px;letter-spacing:-.02em}
.hero h1 span{color:var(--lime)}
.hero p{font-size:19px;color:#e3f1f5;max-width:560px;margin:0 0 28px}
.pill{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:#fff;color:var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.3);transform:rotate(2deg);text-decoration:none;transition:transform .3s}
.hero-card:hover{transform:rotate(0) scale(1.02)}
.hero-card img{height:220px;width:100%;object-fit:cover}
.hero-card div{padding:18px 20px}
.hero-card h3{margin:6px 0 0;font-size:20px}
.bubble{position:absolute;bottom:-120px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.55),rgba(255,255,255,.08) 60%);border:1px solid rgba(255,255,255,.35);animation:rise linear infinite;z-index:1}
@keyframes rise{to{transform:translateY(-900px) translateX(40px);opacity:0}}
.wave{position:absolute;bottom:-1px;left:0;width:100%;z-index:2}

/* stats */
.stats{margin-top:-50px;position:relative;z-index:5}
.hero{border-radius:0 0 40px 40px}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center}
.stat b{display:block;font-family:Poppins;font-size:30px;color:var(--teal-d)}
.stat span{color:var(--muted);font-size:14px;font-weight:600}

/* sections */
section{padding:70px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(28px,4vw,40px);margin:0}
.kicker{color:var(--coral);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:13px;margin-bottom:6px}

/* filter chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.chip{border:2px solid var(--line);background:#fff;padding:8px 16px;border-radius:999px;font-weight:700;color:var(--navy);cursor:pointer;font-size:14px;font-family:inherit;transition:.2s}
.chip:hover{border-color:var(--teal)}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.search{flex:1;min-width:220px;max-width:340px;border:2px solid var(--line);border-radius:999px;padding:10px 18px;font-size:15px;font-family:inherit}
.search:focus{outline:none;border-color:var(--teal)}

/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sky)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.07)}
.badge{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;color:#fff;letter-spacing:.03em}
.card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:20px;margin:0 0 10px}
.card p{color:var(--muted);margin:0 0 16px;font-size:15px;flex:1}
.meta{display:flex;gap:14px;font-size:13px;color:var(--muted);font-weight:600}
.card.big{grid-column:span 2;flex-direction:row}
.card.big .thumb{flex:1.2;aspect-ratio:auto;min-height:340px}
.card.big .body{flex:1;padding:34px;justify-content:center}
.card.big h3{font-size:30px}
.empty{display:none;text-align:center;color:var(--muted);padding:40px}

/* promo band */
.promo{background:linear-gradient(110deg,var(--teal),#00b4a0 45%,var(--lime));color:#fff;border-radius:28px;padding:50px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;position:relative;overflow:hidden}
.promo h2{color:#fff;font-size:clamp(28px,4vw,42px);margin:0 0 12px}
.promo p{margin:0 0 22px;font-size:18px;color:#f1fffb}
.promo .prods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.promo .prods a{background:#fff;border-radius:16px;padding:10px;display:block;transition:transform .2s;box-shadow:0 10px 20px rgba(0,0,0,.12)}
.promo .prods a:hover{transform:translateY(-4px) rotate(-1deg)}
.promo .prods img{aspect-ratio:1;object-fit:contain;width:100%}

/* tips strip */
.tips{background:var(--navy);color:#fff}
.tips h2{color:#fff}
.tipgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tip{background:var(--navy-2);border-radius:var(--radius);padding:24px;border-top:4px solid var(--sun)}
.tip:nth-child(2){border-color:var(--lime)} .tip:nth-child(3){border-color:var(--coral)} .tip:nth-child(4){border-color:var(--teal)}
.tip .ic{font-size:30px}
.tip h3{color:#fff;font-size:18px;margin:10px 0 6px}
.tip p{color:#c8d6e8;margin:0;font-size:15px}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about img{border-radius:28px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.ticks{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.ticks li::before{content:"✔";color:var(--teal);font-weight:900;margin-right:8px}

/* social CTA */
.social{text-align:center;background:var(--sky);border-radius:28px;padding:50px 24px}
.social .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}

/* footer */
footer{background:#081a33;color:#b9c7d9;padding:60px 0 30px;margin-top:70px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;font-family:Poppins;margin:0 0 14px}
footer a{color:#dbe7f5;text-decoration:none}
footer a:hover{color:var(--lime)}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:15px}
footer .brand{color:#fff}
footer .legal{border-top:1px solid #1d3354;margin-top:40px;padding-top:20px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* article page */
.post-hero{position:relative;color:#fff;min-height:440px;display:flex;align-items:flex-end;background:linear-gradient(to top,rgba(8,26,51,.92),rgba(8,26,51,.25) 70%),var(--hero) center/cover}
.post-hero .wrap{padding-bottom:50px;padding-top:80px;max-width:900px}
.post-hero h1{color:#fff;font-size:clamp(32px,5vw,52px);margin:14px 0}
.post-hero .badge{position:static;display:inline-block}
.post-hero .meta{color:#d7e3f0}
.crumbs{font-size:14px;margin-bottom:6px}.crumbs a{color:#fff}
.post-layout{display:grid;grid-template-columns:70px minmax(0,760px) 300px;gap:40px;justify-content:center;padding:50px 20px}
.sharebar{position:sticky;top:100px;align-self:start;display:flex;flex-direction:column;gap:10px}
.sharebar .lbl{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--muted);text-align:center}
.sbtn{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;border:0;cursor:pointer;color:#fff;text-decoration:none;transition:transform .2s;box-shadow:0 6px 14px rgba(0,0,0,.12)}
.sbtn:hover{transform:scale(1.1)}
.sbtn svg{width:22px;height:22px;fill:#fff}
.fb{background:#1877f2}.ig{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fd5949 45%,#d6249f 60%,#285aeb 90%)}.wa{background:#25d366}.x{background:#111}.li{background:#0a66c2}.em{background:#7a8594}.cp{background:var(--teal)}
.article{font-size:18px}
.article .lead{font-size:21px;color:var(--navy-2);font-weight:500}
.article h2{font-size:28px;margin:44px 0 12px;position:relative;padding-left:18px}
.article h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:6px;border-radius:6px;background:linear-gradient(var(--teal),var(--lime))}
.article h3{font-size:21px;margin:28px 0 8px}
.article ul,.article ol{padding-left:22px}
.article li{margin:6px 0}
.article li::marker{color:var(--teal);font-weight:800}
.article figure{margin:34px 0}
.article figure img{border-radius:20px;width:100%;aspect-ratio:16/9;object-fit:cover;box-shadow:var(--shadow)}
.article figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article table{width:100%;border-collapse:collapse;margin:24px 0;font-size:16px;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.article th{background:var(--navy);color:#fff;padding:12px;text-align:left}
.article td{padding:12px;border-bottom:1px solid var(--line);background:#fff}
.article a{font-weight:600}
.callout{background:var(--sky);border-left:6px solid var(--teal);padding:18px 22px;border-radius:14px;margin:30px 0}
.shop{margin:50px 0;background:linear-gradient(135deg,#fff8e1,#e9fbf3);border-radius:24px;padding:30px;border:2px dashed var(--sun)}
.shop h2{margin-top:0;padding-left:0}.shop h2::before{display:none}
.prodgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin:18px 0}
.prod{background:#fff;border-radius:16px;padding:12px;text-decoration:none;color:var(--navy);box-shadow:var(--shadow);transition:transform .2s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-4px)}
.prod img{aspect-ratio:1;object-fit:contain;width:100%;margin-bottom:8px}
.prod b{font-size:14px;line-height:1.3;flex:1}
.prod span{font-size:13px;color:var(--coral);font-weight:800;margin-top:6px}
.sharebox{margin:40px 0;padding:26px;border-radius:20px;background:var(--navy);color:#fff;text-align:center}
.sharebox h3{color:#fff;margin:0 0 6px}
.sharebox p{color:#c8d6e8;margin:0 0 16px;font-size:15px}
.sharebox .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.sharebox .sbtn{width:auto;height:auto;border-radius:999px;padding:10px 16px;display:flex;gap:8px;font-weight:700;font-size:14px;font-family:inherit}
.sharebox .sbtn svg{width:18px;height:18px}
.side{align-self:start;position:sticky;top:100px;display:grid;gap:20px}
.side .box{background:#fff;border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.side h4{font-family:Poppins;margin:0 0 12px;color:var(--navy)}
.side .mini{display:flex;gap:12px;text-decoration:none;color:var(--navy);margin-bottom:14px;align-items:center}
.side .mini img{width:70px;height:56px;object-fit:cover;border-radius:10px;flex:none}
.side .mini b{font-size:14px;line-height:1.3}
.side .shopbox{background:linear-gradient(135deg,var(--coral),#ff9f68);color:#fff;text-align:center}
.side .shopbox h4{color:#fff}
.side .shopbox p{font-size:14px;margin:0 0 14px}
.side .shopbox .btn{background:#fff;color:var(--coral) !important}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.tags span{background:var(--sky);color:var(--teal-d);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700}
.related{background:#f1f6fa;padding:60px 0}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.pn a{background:#fff;border-radius:16px;padding:18px;text-decoration:none;color:var(--navy);box-shadow:var(--shadow);font-weight:700}
.pn a small{display:block;color:var(--muted);font-weight:600}
.pn a:last-child{text-align:right}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:12px 20px;border-radius:999px;font-weight:600;opacity:0;transition:.3s;z-index:99;pointer-events:none;max-width:90vw;text-align:center;font-size:14px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.progress{position:fixed;top:0;left:0;height:4px;background:linear-gradient(90deg,var(--teal),var(--lime));z-index:100;width:0}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 24px rgba(37,211,102,.45)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* responsive */
@media (max-width:1100px){
  .post-layout{grid-template-columns:60px minmax(0,1fr)}
  .side{display:none}
}
@media (max-width:900px){
  .grid{grid-template-columns:1fr 1fr}
  .card.big{grid-column:span 2;flex-direction:column}.card.big .thumb{min-height:240px}
  .hero .wrap{grid-template-columns:1fr;padding:60px 20px 100px}
  .hero-card{display:none}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .promo{grid-template-columns:1fr;padding:34px}
  .tipgrid{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  .menu{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .burger{display:block}
}
@media (max-width:700px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .grid{grid-template-columns:1fr}
  .card.big{grid-column:auto}
  .tipgrid{grid-template-columns:1fr}
  .ticks{grid-template-columns:1fr}
  .post-layout{grid-template-columns:minmax(0,1fr);padding:30px 16px 90px;gap:0}
  .sharebar{position:fixed;top:auto;bottom:0;left:0;right:0;flex-direction:row;justify-content:space-around;background:#fff;padding:8px 6px;box-shadow:0 -6px 20px rgba(0,0,0,.1);z-index:70}
  .sharebar .lbl{display:none}
  .sbtn{width:42px;height:42px}
  .wa-float{bottom:76px}
  .article{font-size:17px}
  .pn{grid-template-columns:1fr}
  .topbar .addr{display:none}
  footer .cols{grid-template-columns:1fr}
  .promo .prods{grid-template-columns:repeat(3,1fr)}
}
@media (prefers-reduced-motion:reduce){.bubble{display:none}.reveal{opacity:1;transform:none}*{transition:none !important}}

/* back to top */
.to-top{position:fixed;right:22px;bottom:90px;z-index:61;width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;background:var(--navy);color:#fff;font-size:22px;font-weight:800;display:grid;place-items:center;box-shadow:0 10px 24px rgba(11,37,69,.35);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .3s,transform .3s,background .2s}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--teal)}
@media (max-width:700px){.to-top{right:23px;bottom:148px;width:44px;height:44px}}