/* ===== 28S · Landing (marketing) · ★Split zig-zag★ · Compact · Mobile-first · Purple+Crimson+Gold VIP · SEM topbar ===== */
:root{
  --bg:#1c1030; --bg2:#241540; --surface:#2a1a4a; --surface2:#1f1238; --tint:#311e54;
  --red:#ef4444; --red-l:#f87171; --red-d:#dc2626; --rose:#f43f5e; --red-soft:rgba(239,68,68,0.13);
  --purple:#a855f7; --purple-l:#c084fc; --purple-soft:rgba(168,85,247,0.14);
  --gold:#fbbf24; --gold-l:#fcd34d; --amber:#f59e0b; --gold-soft:rgba(251,191,36,0.14);
  --text:#f3edfb; --text2:#bcaedd; --text3:#897aae;
  --line:rgba(255,255,255,0.08); --line2:rgba(255,255,255,0.14); --line-r:rgba(239,68,68,0.34); --line-g:rgba(251,191,36,0.32);
  --grad:linear-gradient(135deg,#dc2626,#ef4444); --grad-g:linear-gradient(135deg,#fcd34d,#f59e0b); --grad-p:linear-gradient(135deg,#7c3aed,#a855f7);
  --sh:0 10px 28px rgba(0,0,0,0.4); --red-glow:rgba(239,68,68,0.3); --gold-glow:rgba(251,191,36,0.26);
  --r:14px; --r2:18px; --t:.16s ease; --wrap:1080px; --read:740px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--purple-l);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--gold-l)}
h1,h2,h3,h4{line-height:1.18;color:var(--text)}
.s28-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 14px}
.s28-read{max-width:var(--read);margin:0 auto;padding:0 14px}

/* Botões */
.s28-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 22px;border-radius:11px;font-weight:800;font-size:.92rem;cursor:pointer;border:none;white-space:nowrap;transition:transform var(--t),box-shadow var(--t),filter var(--t);text-align:center}
.s28-btn-grad{background:var(--grad);color:#fff;box-shadow:0 6px 18px var(--red-glow)}
.s28-btn-grad:hover{transform:translateY(-2px);filter:brightness(1.08);color:#fff}
.s28-btn-gold{background:var(--grad-g);color:#3a2606;box-shadow:0 6px 18px var(--gold-glow)}
.s28-btn-gold:hover{transform:translateY(-2px);color:#3a2606}
.s28-btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border:1px solid var(--line2)}
.s28-btn-ghost:hover{border-color:var(--red-l);color:var(--red-l)}
.s28-btn-sm{padding:8px 14px;font-size:.82rem}.s28-btn-lg{padding:14px 28px;font-size:1.02rem}.s28-btn-block{display:flex;width:100%}

/* Header (SEM topbar) */
.s28-header{position:sticky;top:0;z-index:120;background:rgba(28,16,48,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.s28-nav{display:flex;align-items:center;gap:10px;height:58px;max-width:var(--wrap);margin:0 auto;padding:0 14px}
.s28-brand{display:flex;align-items:center;gap:9px;font-weight:900;font-size:1.15rem;color:var(--text)}
.s28-brand img{width:34px;height:34px;border-radius:10px;box-shadow:0 0 12px var(--red-glow)}
.s28-quick{display:none}
.s28-nav-cta{margin-left:auto;display:flex;gap:8px;align-items:center}
.s28-nav-cta .s28-btn{padding:8px 16px;font-size:.82rem}
.s28-burger{background:rgba(255,255,255,.05);border:1px solid var(--line2);border-radius:9px;color:var(--text);font-size:1.2rem;cursor:pointer;width:40px;height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center}

/* Grouped drawer */
.s28-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:130;display:none}
.s28-overlay.s28-show{display:block}
.s28-drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:88vw;background:var(--bg2);border-left:1px solid var(--line);z-index:140;transform:translateX(100%);transition:transform .25s ease;overflow-y:auto;padding:16px 14px 30px}
.s28-drawer.s28-open{transform:translateX(0)}
.s28-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.s28-drawer-top b{font-weight:900;font-size:1.05rem}
.s28-drawer-close{background:none;border:1px solid var(--line2);border-radius:8px;color:var(--text);width:34px;height:34px;cursor:pointer;font-size:1rem}
.s28-grp{margin-bottom:12px}
.s28-grp h4{font-size:.64rem;text-transform:uppercase;letter-spacing:.13em;color:var(--text3);padding:0 8px;margin-bottom:5px}
.s28-grp a{display:flex;align-items:center;gap:9px;padding:9px 8px;border-radius:9px;color:var(--text2);font-weight:600;font-size:.9rem}
.s28-grp a:hover,.s28-grp a.s28-active{background:var(--red-soft);color:var(--red-l)}
.s28-grp a .s28-gi{width:18px;text-align:center;flex-shrink:0}

/* HERO split */
.s28-hero{background:radial-gradient(ellipse 70% 60% at 90% 0%,var(--purple-soft),transparent 60%),radial-gradient(ellipse 60% 50% at 0% 100%,var(--red-soft),transparent 60%);border-bottom:1px solid var(--line)}
.s28-hero-in{max-width:var(--wrap);margin:0 auto;padding:26px 14px 24px;display:grid;grid-template-columns:1fr;gap:20px;align-items:center}
.s28-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--gold-l);background:var(--gold-soft);border:1px solid var(--line-g);border-radius:999px;padding:5px 12px;margin-bottom:12px}
.s28-hero h1{font-size:clamp(1.7rem,6.4vw,2.7rem);font-weight:900;letter-spacing:-.02em;margin-bottom:11px;line-height:1.08}
.s28-hero h1 .s28-hl{background:var(--grad-g);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.s28-hero p{color:var(--text2);font-size:1.02rem;max-width:520px;margin-bottom:16px}
.s28-hero-cta{display:flex;flex-wrap:wrap;gap:10px}
.s28-hero-art{text-align:center}
.s28-hero-art img{width:100%;max-width:230px;margin:0 auto;border-radius:28px;border:1px solid var(--line-r);box-shadow:0 0 50px var(--red-glow),0 16px 40px rgba(0,0,0,.5)}

/* chips */
.s28-chips{display:flex;gap:8px;overflow-x:auto;padding:14px;max-width:var(--wrap);margin:0 auto;scrollbar-width:none}
.s28-chips::-webkit-scrollbar{display:none}
.s28-chip{flex-shrink:0;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:.82rem;font-weight:700;color:var(--text2);display:flex;align-items:center;gap:7px}
.s28-chip b{color:var(--red-l);font-weight:900}

/* ===== ZIG-ZAG rows ===== */
.s28-rows{max-width:var(--wrap);margin:0 auto;padding:8px 14px}
.s28-row{display:grid;grid-template-columns:1fr;gap:16px;align-items:center;padding:24px 0;border-top:1px solid var(--line)}
.s28-row:first-child{border-top:0}
.s28-row-img{border-radius:var(--r2);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.s28-row-img img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.s28-row-txt .s28-rt-tag{display:inline-block;font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--red-l);background:var(--red-soft);border:1px solid var(--line-r);border-radius:999px;padding:4px 11px;margin-bottom:10px}
.s28-row-txt h2{font-size:clamp(1.4rem,4.6vw,1.95rem);font-weight:900;margin-bottom:9px;line-height:1.14}
.s28-row-txt h2 .s28-hl{background:var(--grad-g);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.s28-row-txt p{color:var(--text2);font-size:.95rem;margin-bottom:12px}
.s28-row-txt ul{list-style:none;margin:0 0 14px;display:grid;gap:7px}
.s28-row-txt ul li{position:relative;padding-left:24px;font-size:.9rem;color:var(--text2)}
.s28-row-txt ul li::before{content:"◆";position:absolute;left:0;color:var(--gold)}
.s28-row-txt .s28-rlink{font-weight:800;color:var(--red-l);font-size:.9rem}
.s28-row-txt .s28-rlink:hover{color:var(--gold-l)}

/* stats band */
.s28-stats{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.s28-stats-in{max-width:var(--wrap);margin:0 auto;padding:24px 14px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.s28-stat{text-align:center}
.s28-stat .s28-sv{font-size:1.7rem;font-weight:900;background:var(--grad-g);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.s28-stat .s28-sl{font-size:.74rem;color:var(--text2);margin-top:3px}

/* generic section */
.s28-sec{padding:30px 14px;border-top:1px solid var(--line)}
.s28-sechead{max-width:var(--wrap);margin:0 auto 18px}
.s28-sechead h2{font-size:clamp(1.3rem,4.5vw,1.9rem);font-weight:900;display:flex;align-items:center;gap:9px}
.s28-sechead h2 .s28-bar{width:5px;height:22px;background:var(--grad);border-radius:3px;flex-shrink:0}
.s28-sechead p{color:var(--text2);font-size:.92rem;margin-top:6px}
.s28-prov{max-width:var(--wrap);margin:0 auto;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.s28-prov span{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:700;color:var(--text2);font-size:.84rem}

/* reviews */
.s28-reviews{max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:1fr;gap:11px}
.s28-review{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.s28-review .s28-stars{color:var(--gold);font-size:.82rem;letter-spacing:1px}
.s28-review p{font-size:.9rem;color:var(--text);margin:7px 0;font-style:italic}
.s28-review .s28-who{font-size:.76rem;color:var(--text3);font-weight:600}

/* about */
.s28-about{max-width:var(--read);margin:0 auto;color:var(--text2);font-size:.96rem;line-height:1.8}
.s28-about img{display:inline-block;border-radius:22px;box-shadow:0 0 26px var(--red-glow);border:1px solid var(--line-r)}

/* FAQ */
.s28-faq{max-width:var(--read);margin:0 auto}
.s28-faq details{border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px;background:var(--surface);overflow:hidden}
.s28-faq summary{padding:14px 16px;font-weight:700;cursor:pointer;list-style:none;font-size:.95rem;color:var(--text);display:flex;justify-content:space-between;gap:12px;align-items:center}
.s28-faq summary::-webkit-details-marker{display:none}
.s28-faq summary::after{content:"+";color:var(--red-l);font-weight:400;font-size:1.4rem;flex-shrink:0}
.s28-faq details[open] summary::after{content:"\2212"}
.s28-faq details p{padding:0 16px 14px;color:var(--text2);font-size:.9rem}

/* CTA */
.s28-cta{padding:44px 14px;text-align:center;border-top:1px solid var(--line);background:radial-gradient(ellipse 70% 100% at 50% 100%,var(--red-soft),transparent)}
.s28-cta h2{font-size:clamp(1.5rem,5vw,2.2rem);font-weight:900;margin-bottom:10px}
.s28-cta h2 .s28-hl{background:var(--grad-g);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.s28-cta p{color:var(--text2);margin-bottom:20px;max-width:460px;margin-left:auto;margin-right:auto;font-size:.95rem}

/* Article */
.s28-art{max-width:var(--read);margin:0 auto;padding:28px 14px 0}
.s28-arttag{display:inline-block;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-l);margin-bottom:12px}
.s28-art h1{font-size:clamp(1.6rem,5vw,2.4rem);font-weight:900;margin-bottom:14px;line-height:1.12}
.s28-meta{display:flex;flex-wrap:wrap;gap:7px 15px;font-size:.78rem;color:var(--text3);border-bottom:1px solid var(--line);padding-bottom:18px}
.s28-meta .s28-verif{color:var(--purple-l)}
.s28-artfig{max-width:var(--read);margin:20px auto 0;padding:0 14px}
.s28-artfig img{width:100%;border-radius:var(--r2);border:1px solid var(--line)}
.s28-body{max-width:var(--read);margin:0 auto;padding:22px 14px;color:var(--text2);font-size:1.01rem;line-height:1.8}
.s28-body h2{font-size:1.32rem;font-weight:800;margin:26px 0 10px;color:var(--text)}
.s28-body h3{font-size:1.1rem;font-weight:700;margin:20px 0 7px;color:var(--text)}
.s28-body p{margin-bottom:14px}.s28-body ul,.s28-body ol{margin:0 0 15px 20px}.s28-body li{margin-bottom:7px}
.s28-body strong{color:var(--gold-l)}
.s28-body blockquote{border-left:3px solid var(--red);padding:6px 0 6px 16px;margin:20px 0;color:var(--text);font-style:italic}
.s28-keybox{max-width:var(--read);margin:20px auto 0;padding:0 14px}
.s28-keybox-in{border:1px solid var(--line-r);border-radius:var(--r);padding:18px;background:var(--tint)}
.s28-keybox-in strong.s28-kt{display:block;color:var(--gold-l);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:11px}
.s28-keybox-in dl{display:grid;grid-template-columns:auto 1fr;gap:8px 15px;font-size:.92rem}
.s28-keybox-in dt{color:var(--text3)}.s28-keybox-in dd{color:var(--text);font-weight:600}
.s28-related{max-width:var(--read);margin:34px auto 0;padding:0 14px}
.s28-related h3{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text3);margin-bottom:13px}
.s28-related-grid{display:grid;grid-template-columns:1fr;gap:9px}
.s28-related a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:13px 15px;color:var(--text)}
.s28-related a:hover{border-color:var(--line-r)}
.s28-related a span{font-size:.68rem;color:var(--gold-l);text-transform:uppercase;letter-spacing:.06em}
.s28-related a b{font-size:.96rem;font-weight:700;display:block;margin-top:2px}

/* Footer */
.s28-foot{border-top:1px solid var(--line);padding:32px 14px 26px;background:var(--bg2)}
.s28-foot-in{max-width:var(--wrap);margin:0 auto}
.s28-foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 14px}
.s28-foot-brand{display:flex;align-items:center;gap:9px;font-weight:900;font-size:1.1rem;margin-bottom:10px}
.s28-foot-brand img{width:30px;height:30px;border-radius:8px}
.s28-fc-lead{font-size:.82rem;color:var(--text3);max-width:280px;line-height:1.7}
.s28-foot-col h4{font-size:.7rem;color:var(--text3);text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px}
.s28-foot-col a{display:block;color:var(--text2);font-size:.86rem;padding:4px 0}
.s28-foot-col a:hover{color:var(--red-l)}
.s28-foot-note{font-size:.74rem;color:var(--text3);line-height:1.8;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.s28-foot-note strong{color:var(--text2)}

/* 404 */
.s28-err{text-align:center;padding:64px 14px 84px}
.s28-err h1{font-size:4.5rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.s28-err-links{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:22px}
.s28-err-links a{border:1px solid var(--line2);border-radius:999px;padding:8px 16px;font-size:.84rem;color:var(--text)}

/* ===== Responsive ===== */
@media(min-width:560px){
  .s28-stats-in{grid-template-columns:repeat(4,1fr)}
  .s28-reviews{grid-template-columns:repeat(3,1fr)}
  .s28-related-grid{grid-template-columns:repeat(2,1fr)}
  .s28-foot-grid{grid-template-columns:2fr 1fr 1fr 1fr}
}
@media(min-width:760px){
  .s28-hero-in{grid-template-columns:1.1fr .9fr;padding:38px 14px 30px}
  .s28-row{grid-template-columns:1fr 1fr;gap:30px}
  .s28-row.s28-rev .s28-row-img{order:2}
}
@media(min-width:1000px){
  .s28-quick{display:flex;align-items:center;gap:2px;margin-left:10px}
  .s28-quick a{padding:8px 11px;color:var(--text2);font-weight:600;font-size:.85rem;border-radius:8px}
  .s28-quick a:hover{color:var(--gold-l);background:var(--red-soft)}
}