*{box-sizing:border-box}
:root{--gold:#d8ad61;--gold-light:#f5d99a;--red:#8d241c;--ink:#090706}
html,body{margin:0;min-height:100%;background:var(--ink);color:#f6eee0;font-family:Roboto,Arial,sans-serif}
body{overflow-x:hidden}
a{color:inherit;text-decoration:none}
.intro{position:relative;min-height:100vh;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 50% 38%,#533022 0%,#21130f 38%,#090706 78%)}
.background-art{position:absolute;inset:0;z-index:-1;overflow:hidden;background:linear-gradient(180deg,rgba(5,4,4,.18),rgba(5,4,4,.25) 42%,#090706 100%)}
.background-art:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0 70px,rgba(255,205,119,.018) 71px 72px);opacity:.5}
.moon{position:absolute;width:min(38vw,420px);height:min(38vw,420px);min-width:230px;min-height:230px;border-radius:50%;top:9%;left:50%;transform:translateX(-50%);background:radial-gradient(circle at 38% 35%,#fff0c6 0%,#d8a66b 24%,#875036 57%,rgba(85,39,25,.1) 72%);box-shadow:0 0 65px rgba(226,154,83,.24),0 0 170px rgba(174,83,42,.14);opacity:.75}
.mountain{position:absolute;left:-8%;width:116%;bottom:8%;height:42%;clip-path:polygon(0 75%,12% 48%,21% 63%,34% 23%,45% 60%,58% 30%,69% 66%,82% 20%,100% 70%,100% 100%,0 100%);background:linear-gradient(180deg,#39231c,#100b09 75%)}
.mountain-back{bottom:12%;opacity:.7;transform:scale(1.08);filter:blur(1px)}
.mountain-front{background:linear-gradient(180deg,#241610,#080605 78%);bottom:-1%;height:35%;clip-path:polygon(0 58%,18% 37%,32% 63%,50% 30%,69% 57%,83% 34%,100% 62%,100% 100%,0 100%)}
.castle{position:absolute;bottom:19%;left:50%;transform:translateX(-50%);width:min(660px,76vw);height:230px;opacity:.68;filter:drop-shadow(0 0 24px rgba(235,125,55,.15))}
.castle-wall{position:absolute;bottom:0;left:16%;width:68%;height:118px;background:linear-gradient(90deg,#160e0b,#2c1711 50%,#130b09);clip-path:polygon(0 20%,8% 20%,8% 0,18% 0,18% 20%,32% 20%,32% 0,42% 0,42% 20%,58% 20%,58% 0,68% 0,68% 20%,82% 20%,82% 0,92% 0,92% 20%,100% 20%,100% 100%,0 100%)}
.tower{position:absolute;bottom:82px;width:86px;height:140px;background:linear-gradient(90deg,#100a08,#351b13 55%,#140b08);clip-path:polygon(0 22%,18% 22%,18% 12%,28% 12%,28% 0,72% 0,72% 12%,82% 12%,82% 22%,100% 22%,100% 100%,0 100%)}
.tower:after{content:"";position:absolute;bottom:0;left:38%;width:24%;height:34px;background:#050403;border-radius:50% 50% 0 0}
.tower-left{left:13%;height:170px}.tower-mid{left:43%;height:220px;width:100px}.tower-right{right:13%;height:160px}
.gate{position:absolute;bottom:0;left:43%;width:14%;height:78px;background:linear-gradient(90deg,#080504,#4a2416,#080504);border:2px solid rgba(193,128,65,.2);border-bottom:0;border-radius:50% 50% 0 0}
.vignette{position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 20%,rgba(0,0,0,.22) 70%,rgba(0,0,0,.82) 100%);pointer-events:none}
.topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:25px 5.2%;border-bottom:1px solid rgba(216,173,97,.16);background:linear-gradient(180deg,rgba(0,0,0,.42),transparent)}
.mini-brand{display:flex;align-items:center;gap:11px;font:700 13px Cinzel,serif;letter-spacing:2px}
.mini-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--gold);color:var(--gold-light);font:800 15px Cinzel,serif;transform:rotate(45deg)}
.mini-mark{line-height:1}.mini-brand>span:last-child{letter-spacing:2px}.gold{color:var(--gold)}
.top-right{font-size:10px;letter-spacing:2px;color:#c5b29a}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#bd5a35;box-shadow:0 0 10px #bd5a35;margin-right:8px}
.hero{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:105px 20px 90px}
.eyebrow{display:flex;align-items:center;gap:13px;color:#d4ad72;font:600 10px Cinzel,serif;letter-spacing:4px;margin:0 0 14px}
.eyebrow span{width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.eyebrow span:last-child{transform:scaleX(-1)}
.crest{width:94px;height:108px;margin-bottom:13px;clip-path:polygon(50% 0,94% 15%,88% 72%,50% 100%,12% 72%,6% 15%);background:linear-gradient(145deg,#f3d99e,#8e5b2b 42%,#27140d 43%,#c18a48);padding:3px;filter:drop-shadow(0 8px 22px rgba(0,0,0,.6))}
.crest-inner{height:100%;clip-path:polygon(50% 0,94% 15%,88% 72%,50% 100%,12% 72%,6% 15%);background:linear-gradient(145deg,#382016,#100a08);display:flex;flex-direction:column;align-items:center;justify-content:center}
.crest-letter{font:800 31px Cinzel,serif;color:#f1d18e;text-shadow:0 2px 8px #b66a28}
.crest-line{width:34px;height:1px;background:#b78a50;margin:2px 0 4px}
.crest-year{font:500 8px Cinzel,serif;letter-spacing:2px;color:#c8a46c}
.pre-title{font:500 10px Cinzel,serif;letter-spacing:5px;color:#d1b68d;margin:5px 0 7px}
h1{font:800 clamp(38px,7vw,76px)/1.05 Cinzel,Georgia,serif;letter-spacing:2px;margin:0;color:#fff0d0;text-shadow:0 4px 22px rgba(0,0,0,.8),0 0 40px rgba(221,151,76,.2)}
h1 span{color:#d7a65f}
.domain{font:600 13px Cinzel,serif;letter-spacing:7px;color:#d4ad72;margin-top:12px}
.ornament{display:flex;align-items:center;gap:13px;margin:19px 0 10px;color:#d8ad61}
.ornament i{display:block;width:68px;height:1px;background:linear-gradient(90deg,transparent,#b88b4c)}
.ornament i:last-child{transform:scaleX(-1)}
.ornament b{font-size:13px;font-weight:400}
.tagline{font:700 18px Cinzel,serif;letter-spacing:5px;color:#f3d9a6;margin:4px 0 8px}
.description{font-size:13px;line-height:1.8;color:#c9b9a5;font-weight:300;margin:0}
.actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;justify-content:center}
.btn{display:flex;align-items:center;gap:13px;width:250px;min-height:65px;padding:10px 15px;text-align:left;transition:.25s ease;position:relative}
.btn-primary{background:linear-gradient(135deg,#a34a25,#6f2418 55%,#3c140f);border:1px solid #d19a55;box-shadow:0 8px 28px rgba(0,0,0,.38),inset 0 0 20px rgba(255,190,104,.08)}
.btn-secondary{background:rgba(10,7,6,.72);border:1px solid rgba(204,159,94,.52)}
.btn:hover{transform:translateY(-4px);filter:brightness(1.2);box-shadow:0 12px 32px rgba(0,0,0,.5),0 0 22px rgba(207,137,68,.18)}
.btn-icon{font-size:23px;color:#f1d59b;width:25px;text-align:center}
.btn small,.btn strong{display:block}
.btn small{font-size:8px;letter-spacing:1.2px;color:#e8c99b;margin-bottom:5px}
.btn strong{font:700 12px Cinzel,serif;letter-spacing:1px;color:#fff0d5}
.btn-arrow{margin-left:auto;color:#f0d49a;font-size:25px}
.features{display:flex;align-items:center;gap:25px;margin-top:39px;color:#bca98f}
.features>div{display:flex;align-items:center;gap:9px;text-align:left;font-size:8px;line-height:1.7;letter-spacing:1px}
.features b{font-size:9px;color:#e0c18d;font-weight:600}
.feature-icon{font-size:22px;color:#c69a5e}
.features>i{width:1px;height:28px;background:rgba(207,165,103,.25)}
.footer{position:absolute;z-index:2;bottom:0;left:0;right:0;display:flex;justify-content:space-between;padding:17px 5.2%;border-top:1px solid rgba(216,173,97,.13);font-size:8px;letter-spacing:1.7px;color:#806c55}
.footer-center{color:#b49466}
@media(max-width:620px){.topbar{padding:17px 18px}.top-right{font-size:8px;letter-spacing:1px}.mini-brand{font-size:10px;letter-spacing:1px}.hero{padding-top:100px;padding-bottom:110px}.crest{width:78px;height:90px}.domain{font-size:10px;letter-spacing:4px}.tagline{font-size:14px;letter-spacing:3px}.description{font-size:12px}.actions{width:100%;max-width:340px;gap:10px}.btn{width:100%;min-height:59px}.features{gap:10px;margin-top:28px}.features>div{gap:5px;font-size:7px}.features b{font-size:7px}.feature-icon{font-size:17px}.footer{padding:13px 14px;font-size:7px;letter-spacing:.8px}.footer-center{display:none}.castle{width:100vw;bottom:18%}}
@media(prefers-reduced-motion:no-preference){.moon{animation:moonPulse 7s ease-in-out infinite alternate}.crest{animation:crestGlow 4s ease-in-out infinite alternate}@keyframes moonPulse{from{opacity:.58;filter:brightness(.9)}to{opacity:.86;filter:brightness(1.12)}}@keyframes crestGlow{from{filter:drop-shadow(0 8px 18px rgba(0,0,0,.6))}to{filter:drop-shadow(0 0 18px rgba(211,151,77,.28))}}}

/* Logo artwork MUHANOI2003.PRO */
.main-logo{display:block;width:min(920px,92vw);height:auto;max-height:43vh;object-fit:contain;margin:0 auto 5px;filter:drop-shadow(0 12px 28px rgba(0,0,0,.55))}
@media(max-width:620px){.main-logo{width:96vw;max-height:34vh;margin-top:5px}}

/* Logo biểu tượng MU cổ điển do người dùng cung cấp */
.main-logo{width:min(330px,68vw);max-height:38vh;object-fit:contain;margin:0 auto 8px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.48))}
@media(max-width:620px){.main-logo{width:min(260px,70vw);max-height:30vh}}

/* Logo Season 2 - hòa nền đen vào giao diện Intro */
.main-logo{
  display:block;
  width:min(470px,78vw);
  max-height:48vh;
  height:auto;
  object-fit:contain;
  margin:0 auto 8px;
  mix-blend-mode:screen;
  filter:drop-shadow(0 8px 22px rgba(0,0,0,.55));
}
@media(max-width:620px){
  .main-logo{width:min(350px,86vw);max-height:38vh}
}

/* V5: PNG trong suốt - không còn khung nền đen */
.main-logo{
  display:block;
  width:min(500px,82vw);
  max-height:46vh;
  height:auto;
  object-fit:contain;
  margin:0 auto 8px;
  background:transparent;
  mix-blend-mode:normal;
  filter:drop-shadow(0 8px 22px rgba(0,0,0,.42));
}
@media(max-width:620px){
  .main-logo{width:min(370px,88vw);max-height:38vh}
}

/* SEO text and domain links below the intro */
.seo-intro{width:min(900px,92vw);margin:24px auto 0;padding:15px 18px 0;border-top:1px solid rgba(216,173,97,.18);text-align:center}
.seo-intro h2{font:700 clamp(12px,1.7vw,16px) Cinzel,Georgia,serif;letter-spacing:1.2px;color:#e6c58f;margin:0 0 8px}
.seo-intro p{font-size:11px;line-height:1.7;color:#b9a58c;margin:5px 0}
.seo-intro .age-warning{color:#d99b75;font-weight:700;letter-spacing:.35px}
.seo-intro .domain-links a{color:#e5c184;text-decoration:underline;text-underline-offset:3px}
.seo-intro .domain-links a:hover{color:#fff0c9}
@media(max-width:620px){.seo-intro{margin-top:20px;padding:12px 8px 0}.seo-intro p{font-size:10px}}