:root{
  --bk:#0a0a0a; --bk2:#141414; --bk3:#262626; --wh:#fff; --gray:#f4f4f3;
  --ink2:#3d3d3d; --mute:#8a8a8a; --line:#e6e6e6; --blue:#1f4fff;
  --disp:"Oswald","Arial Narrow",sans-serif; --w:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;background:var(--wh);color:var(--bk);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--bk);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--disp);text-transform:uppercase;font-weight:700;letter-spacing:-.005em}
h1 em,h2 em{font-style:normal;color:var(--blue)}

/* announcement bar */
.bar{display:flex;justify-content:center;align-items:center;gap:8px;background:#000;color:#cfcfcf;font-size:14px;padding:10px 16px;text-align:center;border-bottom:1px solid #1c1c1c}
.bar b{color:#fff;font-weight:600}
.bar i{font-style:normal;transition:transform .2s}
.bar:hover i{transform:translateX(3px)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--blue);flex:none}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.94);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid #1c1c1c}
.nav-in{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:12px}
.logo-qh{font-family:var(--disp);font-weight:700;font-size:30px;line-height:1;letter-spacing:-.02em;display:flex;align-items:flex-end}
.logo-dot{width:7px;height:7px;border-radius:50%;background:var(--blue);margin:0 0 3px 3px}
.logo-word{font-family:var(--disp);font-weight:500;font-size:11.5px;line-height:1.15;letter-spacing:.2em;text-transform:uppercase;color:#bdbdbd;border-left:1px solid #333;padding-left:12px}
.nav-links{display:flex;gap:28px;margin-left:auto;font-size:15px;color:#bdbdbd}
.nav-links a:hover{color:#fff}
.lang{position:relative}
.lang summary{list-style:none;display:flex;align-items:center;gap:7px;height:40px;padding:0 12px;border:1px solid #333;border-radius:999px;font-size:13.5px;font-weight:600;color:#ddd;cursor:pointer;user-select:none;transition:border-color .15s}
.lang summary::-webkit-details-marker{display:none}
.lang summary:hover,.lang[open] summary{border-color:#777;color:#fff}
.lang .chev{transition:transform .2s}
.lang[open] .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:176px;background:#fff;color:var(--bk);border-radius:12px;padding:6px;box-shadow:0 16px 40px -12px rgba(0,0,0,.5);z-index:60}
.lang-menu a{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:8px;font-size:15px;font-weight:500}
.lang-menu a:hover{background:#f1f1f1}
.lang-menu i{font-style:normal;font-size:13px;visibility:hidden}
.lang-menu a.on{font-weight:600}
.lang-menu a.on i{visibility:visible}

/* pills */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:999px;font-weight:600;font-size:16px;font-family:inherit;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s,border-color .15s;white-space:nowrap}
.pill i{font-style:normal}
.pill:active{transform:translateY(1px)}
.pill-sm{height:42px;padding:0 20px;font-size:14.5px}
.pill-white{background:#fff;color:var(--bk)}
.pill-white:hover{background:#e8e8e8}
.pill-ghost{border-color:#444;color:#fff}
.pill-ghost:hover{border-color:#fff}
.pill-black{background:var(--bk);color:#fff}

/* hero */
.hero{background:var(--bk);color:#fff;padding:96px 0 112px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.kicker{font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#9a9a9a;margin-bottom:22px}
.hero h1{font-size:clamp(46px,6.4vw,96px);line-height:1.04;letter-spacing:.012em}
.hero h1 span{display:block}
.hero h1 span+span{margin-top:.14em;color:#d6d6d6}
.hdot{display:inline-block;width:.15em;height:.15em;border-radius:50%;background:var(--blue);margin-left:.07em;vertical-align:baseline}
.hero-sub{max-width:560px;margin-top:28px;font-size:clamp(17px,1.6vw,20px);color:#b5b5b5}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.hero-art{position:relative;aspect-ratio:4/5;border-radius:20px;background:radial-gradient(120% 90% at 70% 10%,#1d1d1d 0%,#0f0f0f 60%);border:1px solid #222;overflow:hidden}
.art-grid{position:absolute;inset:0;background-image:linear-gradient(#1b1b1b 1px,transparent 1px),linear-gradient(90deg,#1b1b1b 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(80% 70% at 60% 30%,#000,transparent)}
.art-mark{position:absolute;z-index:1;left:50%;top:44%;transform:translate(-50%,-50%);font-family:var(--disp);font-weight:700;font-size:clamp(130px,14vw,210px);line-height:1;letter-spacing:-.03em;color:#fff;display:flex;align-items:flex-end}
.art-mark span{width:.17em;height:.17em;border-radius:50%;background:var(--blue);margin:0 0 .13em .06em}
.art-card{position:absolute;z-index:2;left:20px;right:20px;bottom:20px;display:flex;align-items:center;gap:14px;background:#fff;color:var(--bk);border-radius:14px;padding:14px 16px}
.art-ava{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none;display:block}
.art-card b{display:block;font-size:16px}
.art-card small{display:block;font-size:13px;color:#777}

/* stats */
.stats{border-bottom:1px solid var(--line)}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-in div{padding:40px 24px 40px 0;border-right:1px solid var(--line);padding-left:24px}
.stats-in div:first-child{padding-left:0}
.stats-in div:last-child{border-right:0}
.stats b{display:block;font-family:var(--disp);font-size:clamp(40px,4.4vw,60px);line-height:1;font-weight:700}
.stats span{display:block;margin-top:10px;font-size:14px;color:var(--mute);max-width:230px}

/* section heads (Hormozi-style centered) */
.sec{padding:120px 0}
.sec-gray{background:var(--gray)}
.head-c{text-align:center;max-width:820px;margin:0 auto 64px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
h2{font-size:clamp(40px,5.4vw,72px);line-height:1}
.sub{margin-top:18px;font-size:18px;color:var(--ink2)}
h2.big{font-size:clamp(34px,4.6vw,64px);line-height:1.05}

/* pillars (Martell dark cards) */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillar{background:var(--bk);color:#fff;border-radius:18px;padding:36px 32px 32px;display:flex;flex-direction:column;gap:16px;min-height:360px;position:relative;overflow:hidden}
.pillar::after{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,#1e1e1e,transparent 70%)}
.p-n{font-family:var(--disp);font-size:15px;color:#777;letter-spacing:.1em}
.pillar h3{font-size:34px;line-height:1.02}
.pillar p{color:#a8a8a8;font-size:16px;flex:1}
.pillar .pill{align-self:flex-start}

/* ventures */
.ventures{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.venture{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px;min-height:270px;transition:border-color .2s,transform .2s,box-shadow .2s}
a.venture:hover{border-color:var(--bk);transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(0,0,0,.35)}
.v-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.v-logo{width:48px;height:48px;border-radius:12px;object-fit:cover;display:block}
.venture h3{font-size:30px;line-height:1}
.venture p{color:var(--ink2);font-size:15.5px;flex:1}
.v-go{font-size:14px;font-weight:600}
.v-go i{font-style:normal;display:inline-block;transition:transform .2s}
a.venture:hover .v-go i{transform:translate(2px,-2px)}
.v-go.muted{color:var(--mute);font-weight:500}
.tag{font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--ink2)}
.tag-on{background:var(--bk);color:#fff;border-color:var(--bk)}

/* founder (Martell story) */
.founder{background:var(--bk);color:#fff;padding:120px 0}
.founder-in{display:grid;grid-template-columns:1.1fr .9fr;gap:88px;align-items:start}
.founder .eyebrow{color:#777}
.founder h2{margin-bottom:32px}
.f-story p{color:#8f8f8f;font-size:19px;line-height:1.65;margin-bottom:20px;max-width:600px}
.f-story strong{color:#fff;font-weight:500}
.f-story .pill{margin-top:16px}
.f-photo{position:relative;margin:0 0 48px;border-radius:18px;overflow:hidden;aspect-ratio:1/1;max-width:440px;background:#111}
.f-photo img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92)}
.f-photo figcaption{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(10,10,10,.82);backdrop-filter:blur(6px);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column}
.f-photo b{font-size:15.5px}.f-photo span{font-size:13px;color:#a8a8a8}
.tl{list-style:none;border-left:1px solid #2a2a2a;margin-top:8px}
.tl li{display:grid;grid-template-columns:70px 1fr;gap:10px;padding:0 0 36px 28px;position:relative}
.tl li::before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--bk);border:1.5px solid #666}
.tl li.now::before{background:var(--blue);border-color:var(--blue)}
.tl-y{font-family:var(--disp);font-size:17px;color:#777}
.tl li.now .tl-y{color:#fff}
.tl b{font-size:17px;font-weight:600}
.tl p{color:#8f8f8f;font-size:15px;margin-top:4px}

/* mission */
.mission .head-c{max-width:1000px;margin-bottom:72px}
.values{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--bk)}
.values li{padding:26px 24px 0 0}
.values b{display:block;font-family:var(--disp);text-transform:uppercase;font-size:26px;font-weight:700}
.values span{display:block;color:var(--ink2);font-size:15px;margin-top:6px}

/* connect */
.connect{background:var(--bk);color:#fff;padding:120px 0}
.connect .eyebrow{color:#777}
.connect .sub{color:#a8a8a8}
.routes{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:24px}
.route{text-align:left;background:transparent;color:#fff;border:1px solid #2c2c2c;border-radius:14px;padding:18px;font-family:inherit;cursor:pointer;display:flex;flex-direction:column;gap:6px;transition:border-color .15s,background .15s}
.route b{font-size:15.5px;font-weight:600}
.route span{font-size:13px;color:#8f8f8f;line-height:1.45}
.route:hover{border-color:#666}
.route.on{background:#fff;color:var(--bk);border-color:#fff}
.route.on span{color:var(--ink2)}
.form{border:1px solid #2c2c2c;border-radius:18px;padding:32px;display:flex;flex-direction:column;gap:18px;background:var(--bk2)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:500;color:#cfcfcf}
.form em{font-style:normal;color:#6f6f6f;font-weight:400}
.form label > em{display:inline}
.form input,.form textarea{font:inherit;font-size:16px;color:#fff;background:#0c0c0c;border:1px solid #2c2c2c;border-radius:10px;padding:13px 14px;resize:vertical}
.form input::placeholder,.form textarea::placeholder{color:#555}
.form input:focus,.form textarea:focus{outline:none;border-color:#fff}
.form .bad{border-color:#ff6b6b}
.f-foot{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.f-note{font-size:14px;color:#8f8f8f}
.f-note a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.f-msg{font-size:14px;color:#cfcfcf;min-height:1em}
.socials{margin-top:64px;text-align:center}
.socials ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.socials a{display:inline-block;border:1px solid #2c2c2c;border-radius:999px;padding:10px 20px;font-size:15px;font-weight:500;transition:border-color .15s,background .15s}
.socials a:hover{border-color:#fff}

/* faq (Hormozi dashed) */
.faq-wrap{max-width:980px}
.faq-h{text-align:center;margin-bottom:40px}
.faq details{border-bottom:1.5px dashed #bdbdbd;padding:24px 0}
.faq summary{cursor:pointer;list-style:none;font-weight:700;font-size:20px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--bk);border-bottom:2px solid var(--bk);transform:rotate(45deg) translateY(-3px);transition:transform .2s;flex:none}
.faq details[open] summary::after{transform:rotate(225deg) translateY(-3px)}
.faq details p{margin-top:12px;color:var(--ink2);font-size:16.5px;max-width:760px}

/* footer */
.foot{background:var(--bk);color:#fff;padding:80px 0 28px;overflow:hidden}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-sub{color:#8f8f8f;margin-top:16px;font-size:15px}
.foot-cols{display:flex;gap:80px}
.foot-cols div{display:flex;flex-direction:column;gap:8px;font-size:15px}
.foot-cols a{color:#bdbdbd}.foot-cols a:hover{color:#fff}
.foot-h{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#666;margin-bottom:4px}
.foot-word{font-family:var(--disp);font-weight:700;font-size:clamp(48px,10.6vw,150px);line-height:1;color:#161616;margin:72px 0 28px;white-space:nowrap;display:flex;align-items:flex-end;letter-spacing:-.01em}
.foot-word span{width:.14em;height:.14em;border-radius:50%;background:var(--blue);margin:0 0 .12em .05em;flex:none}
.foot-bot{display:flex;justify-content:space-between;gap:12px;padding-top:20px;border-top:1px solid #222;font-size:13px;color:#777}
.foot-bot a:hover{color:#fff}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:1080px){
  .nav-links{display:none}
  .lang{margin-left:auto}
  .hero-in,.founder-in{grid-template-columns:1fr;gap:56px}
  .hero-art{aspect-ratio:16/10;max-width:640px}
  .routes{grid-template-columns:repeat(3,1fr)}
  .ventures,.pillars{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .bar{font-size:12.5px}
  .logo-word{display:none}
  .nav-in{gap:16px}
  .hero{padding:64px 0 72px}
  .hero-art{aspect-ratio:1/1}
  .cta-row .pill{flex:1 1 100%}
  .stats-in{grid-template-columns:1fr 1fr}
  .stats-in div{padding:24px 12px 24px 0!important;border-right:0;border-bottom:1px solid var(--line)}
  .sec,.founder,.connect{padding:80px 0}
  .head-c{margin-bottom:44px}
  .ventures,.pillars,.f-row,.routes{grid-template-columns:1fr}
  .pillar{min-height:0}
  .values{grid-template-columns:1fr 1fr}
  .values li{padding:20px 12px 8px 0}
  .form{padding:20px}
  .tl li{grid-template-columns:1fr;gap:2px;padding-left:22px}
  .f-story p{font-size:17px}
  .faq summary{font-size:17px}
  .foot-cols{gap:40px}
  .foot-bot{flex-direction:column}
}

/* tiếng Việt: dấu chồng cần dòng thoáng hơn */
html[lang="vi"] .hero h1{line-height:1.16;font-size:clamp(42px,5.6vw,82px)}
html[lang="vi"] h2{line-height:1.16}
html[lang="vi"] .pillar h3,html[lang="vi"] .venture h3{line-height:1.18}
@media (max-width:720px){.bar b{display:none}}

/* ảnh founder ở đầu trang + ava cạnh tên */
.art-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.hero-art::after{content:"";position:absolute;inset:auto 0 0 0;height:45%;background:linear-gradient(transparent,rgba(10,10,10,.55));pointer-events:none}
.f-name{display:flex;align-items:center;gap:20px;margin-bottom:32px}
.f-name img{width:72px;height:72px;border-radius:50%;object-fit:cover;flex:none;border:2px solid #2a2a2a}
.founder .f-name h2{margin:0}
@media (max-width:720px){.f-name img{width:56px;height:56px}}