/* ===== Chinh Phục Cá Mập — rebuild of coreu.ai/cpcm ===== */
:root{
  --bg:#020308;
  --bg-2:#0b0a12;
  --card:#0a0a10;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:rgba(255,255,255,.96);
  --muted:rgba(255,255,255,.64);
  --dim:rgba(255,255,255,.48);
  --blue:#0b3cff;
  --blue-2:#0099ff;
  --blue-soft:#96bdff;
  --tech:#83bdfd;
  --sky:#57caff;
  --ink:#041d56;
  --pink:#ff2d7a;
  --ease:cubic-bezier(.22,1,.36,1);
  --container:1100px;
}
*{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:Montserrat,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.center{text-align:center}

/* ---------- Type ---------- */
.grad-text{background:linear-gradient(0deg,rgba(255,255,255,.72) 0%,rgba(255,255,255,.96) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.h-32{font-size:34px;font-weight:600;letter-spacing:-.022em;line-height:1.2}
.h-35{font-size:36px;font-weight:600;letter-spacing:-.022em;line-height:1.2}
.h-40{font-size:40px;font-weight:600;letter-spacing:-.022em;line-height:1.2}
.h-44{font-size:44px;font-weight:600;letter-spacing:-.022em;line-height:1.2;color:var(--text)}
.h-46{font-size:46px;font-weight:600;letter-spacing:-.022em;line-height:1.15}
.h-48{font-size:48px;font-weight:600;letter-spacing:-.022em;line-height:1.17}
.sub{font-size:15px;color:var(--muted);margin-top:14px;line-height:1.6}
.sub.lg{font-size:17px;line-height:1.6;color:rgba(255,255,255,.8)}
.mobile-only{display:none}
.lead{max-width:780px;margin:18px auto 0;color:var(--muted);font-size:16px;line-height:1.6}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;font-size:14px;font-weight:600;letter-spacing:-.14px;border-radius:999px;padding:12px 22px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{position:relative;overflow:hidden;background:linear-gradient(180deg,#2f5bff 0%,#0b3cff 100%);box-shadow:0 0 0 1px rgba(150,189,255,.35) inset,0 8px 30px rgba(11,60,255,.45)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);animation:shine 3.2s var(--ease) infinite}
.btn-primary:hover{box-shadow:0 0 0 1px rgba(150,189,255,.5) inset,0 10px 44px rgba(11,60,255,.7)}
@keyframes shine{0%,55%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
.btn-white{background:#fff;color:#0b0a12;padding:10px 18px;font-size:13px}
.btn-white .arr{transition:transform .3s var(--ease)}
.btn-white:hover .arr{transform:translate(2px,-2px)}
.btn-dark{width:100%;justify-content:center;background:linear-gradient(180deg,#3a3a44,#24242c);box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;padding:9px;font-size:13px}
.btn-dark:hover{background:linear-gradient(180deg,#4a4a56,#2c2c36)}

/* ---------- Scroll animations ---------- */
[data-anim]{opacity:0;transition:opacity 1s var(--ease),transform 1s var(--ease),filter 1s var(--ease);transition-delay:var(--d,0s);will-change:opacity,transform}
[data-anim="fade-up"]{transform:translateY(30px)}
[data-anim="blur-up"]{transform:translateY(24px);filter:blur(12px)}
[data-anim="fade-left"]{transform:translateX(60px)}
[data-anim="fade-right"]{transform:translateX(-60px)}
[data-anim="scale-in"]{transform:scale(.85)}
[data-anim="scale-up"]{transform:translateY(60px) scale(.94)}
[data-anim].in{opacity:1;transform:none;filter:none}
@media (prefers-reduced-motion:reduce){[data-anim]{opacity:1;transform:none;filter:none;transition:none}.marquee-track,.press-track,.float,.btn-primary::after,.glass-badge img,.faq-visual img{animation:none!important}.spot::before{display:none}}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:50%;transform:translateX(-50%);z-index:50;width:min(870px,100%);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;transition:background .4s,backdrop-filter .4s,top .4s}
.nav.scrolled{background:rgba(2,3,8,.35);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;gap:6px}
.nav-links a{position:relative;font-size:15px;font-weight:600;padding:8px 18px;border-radius:999px;transition:color .3s}
.nav-links a::before{content:"";position:absolute;left:50%;bottom:-4px;width:70%;height:16px;transform:translateX(-50%) scale(.4);border-radius:50%;background:radial-gradient(closest-side,rgba(0,110,255,.95),transparent);filter:blur(6px);opacity:0;transition:opacity .4s,transform .4s var(--ease);z-index:-1}
.nav-links a:hover::before,.nav-links a.active::before{opacity:1;transform:translateX(-50%) scale(1)}
.nav-burger{display:none;width:36px;height:36px;position:relative}
.nav-burger span{position:absolute;left:8px;right:8px;height:2px;background:#fff;border-radius:2px;transition:transform .3s}
.nav-burger span:first-child{top:13px}.nav-burger span:last-child{top:21px}
.nav.open .nav-burger span:first-child{transform:translateY(4px) rotate(45deg)}
.nav.open .nav-burger span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;isolation:isolate;padding:140px 0 0;overflow:hidden;background:var(--bg)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(60% 50% at 14% 0%,rgba(87,202,255,.30),transparent 62%),radial-gradient(52% 46% at 88% 8%,rgba(131,189,253,.24),transparent 66%),radial-gradient(90% 70% at 50% -10%,rgba(13,58,156,.95),rgba(4,29,86,.6) 45%,transparent 78%)}
.hero-inner{position:relative;text-align:center;max-width:960px;margin:0 auto;padding:0 24px}
.badge{display:inline-flex;align-items:center;font-size:13px;font-weight:600;color:#fff;padding:7px 16px;border-radius:999px;background:rgba(255,45,122,.16);box-shadow:inset 0 0 0 1px rgba(255,45,122,.5),0 0 24px rgba(255,45,122,.25)}
.hero-product{font-size:20px;font-weight:600;letter-spacing:.02em;margin-top:22px}
.hero-title{font-size:54px;font-weight:600;letter-spacing:-.022em;line-height:1.14;margin:10px auto 18px;max-width:940px}
.hero-title .tint{white-space:nowrap}
.hero-sub{font-size:16px;line-height:1.65;color:rgba(255,255,255,.74);max-width:760px;margin:0 auto 34px}
.hero-ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.trust{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:28px;font-size:13px;color:rgba(255,255,255,.72)}
.trust li{position:relative;padding-left:20px}
.trust li::before{content:"";position:absolute;left:2px;top:4px;width:9px;height:5px;border-left:2px solid var(--tech);border-bottom:2px solid var(--tech);transform:rotate(-45deg)}
.marquee{position:relative;margin-top:64px;overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:12px;width:max-content;animation:marquee 40s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track img{width:533px;height:342px;object-fit:cover;border-radius:20px}
@keyframes marquee{to{transform:translateX(calc(-50% - 6px))}}

/* ---------- PROBLEM ---------- */
.problem{position:relative;padding:110px 0 80px;overflow:hidden}
.problem-bg{position:absolute;left:50%;top:40px;width:1420px;max-width:none;transform:translateX(-50%);opacity:.9;pointer-events:none}
.glass-badge{position:relative;width:113px;height:113px;margin:0 auto 20px}
.glass-badge img{position:absolute;inset:0;width:100%;height:100%}
.glass-badge img:nth-child(1){animation:spin 18s linear infinite}
.glass-badge img:nth-child(2){animation:spin 24s linear infinite reverse}
.glass-badge .mark{inset:auto;width:64%;height:auto;left:18%;top:20%;filter:drop-shadow(0 0 16px rgba(80,140,255,.8))}
.glass-badge.sm{position:absolute;left:50%;bottom:10%;transform:translateX(-50%);width:86px;height:86px}
@keyframes spin{to{transform:rotate(360deg)}}
.problem-grid{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:start;margin-top:30px}
.problem-grid .btn{margin-top:60px}
.problem-list{font-size:16px;line-height:1.6;color:rgba(255,255,255,.76)}
.problem-list ul{margin:0 0 26px 18px}
.problem-list li{margin-bottom:8px}
.problem-list .strong{font-weight:600;color:var(--text)}
.stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:100px;text-align:center}
.stat-label{display:block;font-size:15px;font-weight:500;color:var(--muted);margin-top:8px}
.stat-num{display:block;font-size:56px;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums}

/* ---------- TOOLS ---------- */
.tools{position:relative;padding-bottom:120px;background:linear-gradient(180deg,transparent,#05060d 20%,#05060d 90%,#000)}
.tools-hero{position:relative;padding:60px 0 60px;overflow:hidden}
.tools-bg{position:absolute;left:50%;top:0;width:1425px;max-width:none;transform:translateX(-50%);pointer-events:none}
.globe-wrap{position:relative;width:540px;height:540px;max-width:90vw;max-height:90vw;margin:0 auto}
.globe{width:100%;height:100%;contain:layout paint size;cursor:grab}
.tools-hero h2{position:relative;margin-top:-40px}
.stack{position:relative;width:min(532px,calc(100% - 32px));margin:40px auto 0}
.tool-card{position:sticky;top:calc(110px + var(--i) * 28px);margin-bottom:40px;min-height:340px;padding:30px;border-radius:20px;background:radial-gradient(90% 70% at 50% 115%,rgba(30,80,255,.9) 0%,rgba(11,45,170,.55) 30%,rgba(8,20,70,.3) 55%,#0a0a10 80%);box-shadow:0 0 0 1px var(--line-2) inset,0 -20px 40px rgba(0,0,0,.6);transform-origin:50% 0;transition:transform .2s linear,filter .2s linear}
.tool-top{display:flex;justify-content:space-between;align-items:center}
.tool-top .ic{width:28px;height:28px;color:#fff}
.pill-pro{font-size:12px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);box-shadow:0 0 0 1px var(--line-2) inset}
.tool-card h3{font-size:29px;font-weight:600;letter-spacing:-.022em;line-height:1.3;margin:26px 0 18px}
.tool-card p{font-size:15px;line-height:1.55;color:var(--muted);max-width:440px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tags span{font-size:12px;padding:12px 20px;border-radius:999px;background:rgba(255,255,255,.04);box-shadow:0 0 0 1px var(--line-2) inset}

/* ---------- AUDIENCE ---------- */
.audience{padding:100px 0 60px;background:#000}
.audience>h2{margin-bottom:60px}
.aud-list{display:flex;flex-direction:column;gap:70px}
.aud-row{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;max-width:980px;margin:0 auto}
.aud-row.rev .aud-text{order:2}
.chips{display:flex;gap:8px;margin-bottom:16px}
.chips span{font-size:11px;padding:5px 12px;border-radius:999px;background:rgba(40,70,160,.28);color:rgba(210,225,255,.9);box-shadow:0 0 0 1px rgba(120,160,255,.18) inset}
.aud-text h3{font-size:40px;font-weight:500;letter-spacing:-.8px;line-height:48px;margin-bottom:14px}
.aud-text p{font-size:15px;color:var(--muted);line-height:1.6;margin-bottom:22px;max-width:380px}
.aud-img{border-radius:14px;overflow:hidden}
.aud-img img{width:100%;aspect-ratio:462/340;object-fit:cover;transition:transform 1.2s var(--ease)}
.aud-row:hover .aud-img img{transform:scale(1.04)}

/* ---------- MENTOR ---------- */
.mentor{padding:110px 24px 110px;background:#000}
.mentor-card{display:grid;grid-template-columns:.9fr 1.1fr;align-items:end;max-width:1061px;margin:50px auto 0;border-radius:20px;overflow:hidden}
.mentor-photo{align-self:end}
.mentor-photo img{width:100%;height:auto;-webkit-mask:linear-gradient(180deg,#000 80%,transparent);mask:linear-gradient(180deg,#000 80%,transparent)}
.mentor-body{padding:48px 44px 44px 8px;align-self:center}
.mentor-kicker{font-size:13px;font-weight:600;color:var(--tech);letter-spacing:.02em}
.mentor-name{font-size:40px;font-weight:600;letter-spacing:-.022em;margin:8px 0 26px}
.cred-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cred{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 0 0 1px rgba(255,255,255,.08);transition:background .3s}
.cred:hover{background:rgba(255,255,255,.1)}
.cred b{font-size:15px;font-weight:600;line-height:1.35}
.cred span{font-size:13px;color:rgba(255,255,255,.66)}
.awards-label{margin:26px 0 10px;font-size:12px;font-weight:600;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.08em}
.awards{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.awards li{font-size:12px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(131,189,253,.25)}

/* ---------- COMPARE ---------- */
.compare{position:relative;padding:110px 0;background:#0a0a0f;overflow:hidden}
.compare-glow{position:absolute;left:50%;top:-200px;width:900px;height:500px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(40,80,200,.22),transparent);pointer-events:none}
.eyebrow{display:table;margin:0 auto 18px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:8px 14px;border-radius:999px;box-shadow:0 0 0 1px rgba(80,130,255,.6) inset,0 0 20px rgba(11,60,255,.4)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:50px;max-width:920px}
.cmp-head{display:flex;align-items:center;justify-content:center;gap:10px;font-size:18px;font-weight:500;height:44px;margin-bottom:14px}
.cmp-list{list-style:none;padding:12px 26px;border-radius:14px;background:linear-gradient(180deg,#13131b,#0c0c12);box-shadow:0 0 0 1px var(--line) inset}
.cmp-list li{position:relative;padding:18px 0 18px 26px;font-size:14px;line-height:1.55;color:var(--muted);border-bottom:1px solid var(--line)}
.cmp-list li:last-child{border-bottom:0}
.cmp-list li::before{position:absolute;left:0;top:18px;font-size:14px;font-weight:700}
.cmp-list.bad li::before{content:"✕";color:#5b7cff}
.cmp-list.good li::before{content:"✓";color:#7fa2ff}
.good-col .cmp-list{background:linear-gradient(180deg,#141726,#0c0d16)}

/* ---------- EQUIPMENT ---------- */
.equip{padding:110px 24px 60px;background:#000}
.equip-card{position:relative;max-width:1050px;margin:60px auto 40px;border-radius:20px;background:#fff;padding:0}
.equip-card img{border-radius:20px;width:100%;height:auto}
.rating{position:absolute;left:0;top:-26px;z-index:2;display:flex;flex-direction:column;padding:10px 20px;border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(220,228,255,.85));color:#0b3cff;box-shadow:0 20px 40px rgba(0,0,0,.4);backdrop-filter:blur(10px)}
.rating b{font-size:22px;font-weight:700;color:#0b0a12}
.rating span{font-size:13px;font-weight:600;color:#3b5bdb}
.float{animation:float 4s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}

/* ---------- CURRICULUM ---------- */
.curri{background:#000;padding-bottom:100px}
.curri-band{padding:110px 24px 120px;background:radial-gradient(70% 90% at 50% 50%,rgba(11,60,255,.45),rgba(4,20,80,.3) 50%,transparent 80%),linear-gradient(180deg,#000 0%,#030a24 30%,#030a24 70%,#000 100%)}
.curri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1140px}
.lesson{display:flex;flex-direction:column;padding:26px 26px 28px;border-radius:14px;background:linear-gradient(180deg,rgba(20,26,48,.72),rgba(10,12,24,.85));box-shadow:inset 0 1px 0 rgba(255,255,255,.10),inset 0 0 0 1px rgba(255,255,255,.07),0 24px 50px -30px rgba(0,0,0,.8);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.lesson:hover{transform:translateY(-4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 0 0 1px rgba(131,189,253,.28),0 30px 60px -28px rgba(11,60,255,.45)}
.l-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.l-num{font-size:44px;font-weight:600;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.lesson h3{font-size:21px;font-weight:600;letter-spacing:-.015em;line-height:1.35;margin-bottom:10px}
.lesson p{font-size:15px;line-height:1.6;color:var(--muted)}

/* ---------- EXPERTS ---------- */
.experts{padding:40px 0 90px;background:linear-gradient(180deg,#0a0f1c,#050810 60%,#000)}
.experts h2{padding-top:30px}
.vid-scroller{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:40px max(24px,calc(50% - 440px)) 20px;scrollbar-width:none}
.vid-scroller::-webkit-scrollbar{display:none}
.vid{flex:0 0 280px;aspect-ratio:9/13;border-radius:14px;background-size:cover;background-position:center;position:relative;scroll-snap-align:center;overflow:hidden;box-shadow:0 0 0 1px var(--line) inset}
.vid::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.45));transition:background .4s}
.vid:hover::after{background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.25))}
.play{position:absolute;left:50%;top:50%;width:58px;height:58px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);z-index:1;transition:transform .35s var(--ease)}
.play::after{content:"";position:absolute;left:23px;top:18px;border-left:16px solid #111;border-top:11px solid transparent;border-bottom:11px solid transparent}
.vid:hover .play{transform:translate(-50%,-50%) scale(1.12)}

/* ---------- PRICING ---------- */
.pricing{position:relative;padding:100px 0 110px}
.eyebrow-plain{display:table;margin:0 auto 14px;font-size:12px;font-weight:600;padding:6px 14px;border-radius:999px;color:#fff;background:rgba(255,45,122,.18);box-shadow:inset 0 0 0 1px rgba(255,45,122,.5)}
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:760px;margin-top:56px;align-items:start}
.price-card{position:relative;padding:30px 26px 28px;border-radius:20px;background:linear-gradient(180deg,rgba(18,20,34,.92),rgba(8,10,20,.95));overflow:hidden}
.price-card.featured{background:radial-gradient(120% 70% at 50% 110%,rgba(11,60,255,.75),rgba(10,35,120,.4) 45%,#0e1020 80%);box-shadow:0 0 0 1px rgba(120,160,255,.25) inset,0 30px 80px rgba(11,60,255,.25)}
.p-ic{width:22px;height:22px;color:#fff}
.price-card h3{font-size:30px;font-weight:600;letter-spacing:-.022em;line-height:1.3;margin:16px 0 8px}
.p-desc{font-size:14px;color:var(--muted);line-height:1.55;min-height:44px}
.p-price{display:flex;align-items:baseline;gap:6px;margin:26px 0 12px}
.p-price .grad-text{font-size:48px;font-weight:600;letter-spacing:-.48px;line-height:56px}
.p-price small{white-space:nowrap;font-size:13px;color:var(--dim)}
.checks{list-style:none;margin-top:26px}
.checks li{position:relative;padding:9px 0 9px 28px;font-size:14px;color:rgba(255,255,255,.85)}
.checks li::before{content:"";position:absolute;left:4px;top:14px;width:10px;height:6px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}

/* ---------- TESTIMONIALS ---------- */
.testi{position:relative;padding:100px 0 60px;background:#05060c;overflow:hidden}
.testi-stage{position:relative;margin-top:30px}
.globe2{position:absolute;left:50%;top:-60px;width:800px;height:800px;transform:translateX(-50%);opacity:.55;pointer-events:none}
.testi-grid{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1120px;padding-top:90px}
.t-card{padding:24px;border-radius:14px;background:linear-gradient(180deg,rgba(18,22,40,.82),rgba(10,12,22,.9));box-shadow:0 0 0 1px var(--line) inset;backdrop-filter:blur(8px);transition:transform .5s var(--ease),box-shadow .5s}
.t-card:hover{transform:translateY(-6px);box-shadow:0 0 0 1px rgba(120,160,255,.3) inset,0 20px 50px rgba(11,60,255,.2)}
.t-head{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.t-head img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.t-head b{display:block;font-size:14px;font-weight:500;font-style:italic}
.t-head small{font-size:11px;color:var(--dim)}
.t-card p{font-size:14px;font-style:italic;line-height:1.6;color:rgba(255,255,255,.75)}

/* ---------- FAQ ---------- */
.faq{position:relative;padding:40px 0 120px;background:#000}
.faq-visual{width:642px;max-width:90vw;margin:0 auto;-webkit-mask:radial-gradient(closest-side,#000 70%,transparent);mask:radial-gradient(closest-side,#000 70%,transparent)}
.faq-visual img{width:100%;animation:float 7s ease-in-out infinite}
.faq-head{position:relative;margin-top:-170px}
.faq-head .tiny{text-align:center;font-size:11px;color:var(--muted);margin-bottom:6px}
.faq-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0 50px;margin-top:40px;max-width:960px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;justify-content:space-between;gap:20px;width:100%;text-align:left;padding:22px 0;font-size:18px;font-weight:600;letter-spacing:-.18px;line-height:28px;color:var(--text)}
.faq-q .plus{position:relative;flex:0 0 14px;height:14px;margin-top:7px}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;left:0;top:6px;width:14px;height:1.5px;background:var(--muted);transition:transform .4s var(--ease)}
.faq-q .plus::after{transform:rotate(90deg)}
.faq-item.open .plus::after{transform:rotate(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.6;color:var(--muted)}
.faq-item.open .faq-a{grid-template-rows:1fr}

/* ---------- CTA ---------- */
.cta{padding:60px 24px 110px;background:linear-gradient(180deg,#000,#050a1e)}
.cta-visual{position:relative;max-width:1281px;margin:0 auto;-webkit-mask:linear-gradient(180deg,#000 55%,transparent);mask:linear-gradient(180deg,#000 55%,transparent)}
.cta .tagline{position:relative;margin-top:-40px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--tech)}
.cta h2{margin-top:10px;position:relative}
.cta .btn{margin-top:40px}

/* ---------- FOOTER ---------- */
.footer{position:relative;padding:60px 0 80px;background:radial-gradient(70% 80% at 50% 100%,rgba(11,60,255,.4),rgba(5,20,70,.4) 50%,#03050d 85%);border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.6fr .6fr .6fr;gap:40px;max-width:1300px;padding:0 72px}
.foot-logo{width:160px;margin-bottom:18px}
.foot-brand p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.8);max-width:430px}
.bct{width:128px;margin:24px 0 10px}
.foot-brand .legal{font-size:11px;color:var(--muted);max-width:none}
.sub-label{margin:28px 0 8px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.foot-contact{list-style:none;font-size:14px;line-height:1.9;color:rgba(255,255,255,.8)}
.foot-contact a{color:#fff;font-weight:600}
.foot-links{display:flex;flex-direction:column;gap:22px;font-size:17px;font-weight:500;padding-top:0}
.foot-links a{color:rgba(255,255,255,.85);transition:color .3s,transform .3s var(--ease)}
.foot-links a:hover{color:#fff;transform:translateX(4px)}

/* ---------- FAB ---------- */
.fab{position:fixed;right:24px;bottom:36px;z-index:60}
.fab-btn{position:relative;width:56px;height:56px;border-radius:50%;background:linear-gradient(180deg,#4b7bff,#2a55f5);box-shadow:0 10px 30px rgba(11,60,255,.55)}
.fab-btn span{position:absolute;left:18px;top:27px;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .4s var(--ease)}
.fab-btn span:last-child{transform:rotate(90deg)}
.fab.open .fab-btn span:first-child{transform:rotate(45deg)}
.fab.open .fab-btn span:last-child{transform:rotate(135deg)}
.fab-menu{position:absolute;right:0;bottom:70px;display:flex;flex-direction:column;align-items:flex-end;gap:10px;pointer-events:none}
.fab-item{display:flex;align-items:center;gap:10px;white-space:nowrap;padding:10px 16px;border-radius:999px;background:#fff;color:#0b0a12;font-size:13px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.35);opacity:0;transform:translateY(12px) scale(.95);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.fab-item img{width:19px;height:19px}
.fab-item.hl{background:linear-gradient(180deg,#4b7bff,#2a55f5);color:#fff}
.fab.open .fab-menu{pointer-events:auto}
.fab.open .fab-item{opacity:1;transform:none}
.fab.open .fab-item:nth-child(4){transition-delay:.02s}.fab.open .fab-item:nth-child(3){transition-delay:.07s}
.fab.open .fab-item:nth-child(2){transition-delay:.12s}.fab.open .fab-item:nth-child(1){transition-delay:.17s}

/* ---------- MODAL ---------- */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:rgba(0,0,0,.8);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .35s}
.modal.open{opacity:1;pointer-events:auto}
.modal-box{position:relative;width:min(400px,90vw);aspect-ratio:9/16;border-radius:16px;overflow:hidden;background:#000;transform:scale(.92);transition:transform .4s var(--ease)}
.modal.open .modal-box{transform:none}
.modal-frame,.modal-frame iframe{width:100%;height:100%;border:0}
.modal-x{position:absolute;right:8px;top:4px;z-index:2;font-size:30px;color:#fff}

/* ---------- DEPTH & COLOR (CoreU tokens) ---------- */
.tint{background:linear-gradient(104deg,#83bdfd 6%,#57caff 48%,#a9d6ff 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.aurora{position:relative;isolation:isolate;background-color:#030a24}
.aurora::before{content:"";position:absolute;inset:0;z-index:-2;border-radius:inherit;background:radial-gradient(68% 52% at 12% 0%,rgba(87,202,255,.22),transparent 62%),radial-gradient(56% 46% at 88% 14%,rgba(131,189,253,.18),transparent 66%),radial-gradient(84% 62% at 50% 108%,rgba(13,58,156,.85),transparent 72%)}
.grain::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.4;pointer-events:none;border-radius:inherit;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.28'/%3E%3C/svg%3E")}
.inner-top{box-shadow:inset 0 1px 0 rgba(255,255,255,.10),0 24px 60px -30px rgba(0,0,0,.7)}
.edge{position:relative}
.edge::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(131,189,253,.6),rgba(131,189,253,.06) 38%,rgba(87,202,255,.32));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.spot{position:relative}
.spot::before{content:"";position:absolute;inset:-1px;border-radius:inherit;opacity:0;transition:opacity .4s;pointer-events:none;background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(131,189,253,.16),transparent 68%)}
.spot:hover::before{opacity:1}
.sheen::before{content:"";position:absolute;inset:0;transform:translateX(-120%);background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.35) 50%,transparent 80%);transition:transform .75s var(--ease)}
.sheen:hover::before{transform:translateX(120%)}
.btn-glass{background:rgba(255,255,255,.07);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 0 0 1px rgba(255,255,255,.12)}
.btn-glass:hover{background:rgba(255,255,255,.12)}
.btn-block{width:100%;justify-content:center}
.nav-links a.nav-cta{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.nav-links a.nav-cta:hover{background:rgba(255,255,255,.18)}

/* ---------- PRESS ---------- */
.press{padding:56px 0 10px;background:var(--bg)}
.press-label{text-align:center;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:22px}
.press-mask{overflow:hidden;-webkit-mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent)}
.press-track{display:flex;align-items:center;gap:64px;width:max-content;animation:marquee 38s linear infinite}
.press-mask:hover .press-track{animation-play-state:paused}
.press-track a,.press-track span{font-size:22px;font-weight:600;letter-spacing:-.01em;color:rgba(255,255,255,.55);white-space:nowrap;transition:color .3s}
.press-track a:hover{color:#fff}

/* ---------- PRICING extras ---------- */
.price-card{box-shadow:inset 0 1px 0 rgba(255,255,255,.10),inset 0 0 0 1px rgba(255,255,255,.07),0 24px 60px -30px rgba(0,0,0,.7)}
.price-card.featured{box-shadow:0 30px 80px -20px rgba(11,60,255,.45)}
.ribbon{position:absolute;right:20px;top:24px;font-size:11px;font-weight:600;padding:6px 12px;border-radius:999px;color:#041d56;background:linear-gradient(104deg,#83bdfd,#57caff)}
.p-price.glow{position:relative}
.p-price.glow::before{content:"";position:absolute;left:-10px;top:50%;width:260px;height:90px;transform:translateY(-50%);background:radial-gradient(closest-side,rgba(87,202,255,.35),transparent);filter:blur(10px);z-index:-1}
.price-card .btn-glass{padding:11px}
.assure{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:1000px;margin-top:40px}
.assure li{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.05);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),inset 0 0 0 1px rgba(255,255,255,.06)}
.assure b{font-size:14px;font-weight:600}
.assure span{font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.5}
.assure a{color:var(--tech);font-weight:600}

/* ---------- MOBILE BAR & ZALO ---------- */
.mbar{display:none}
.zalo{display:inline-grid;place-items:center;width:19px;height:19px;border-radius:5px;background:#0068ff;color:#fff;font-size:6.5px;font-weight:700}

/* ---------- FREE CHAPTER ---------- */
.gift{padding:30px 24px 90px;background:#000}
.gift-card{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;max-width:1000px;margin:0 auto;padding:44px 48px;border-radius:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 30px 80px -30px rgba(11,60,255,.45)}
.gift-kicker{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--tech);margin-bottom:10px}
.gift-desc{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72)}
.gift-row{display:flex;gap:8px;padding:6px;border-radius:999px;background:rgba(255,255,255,.07);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 0 0 1px rgba(255,255,255,.12)}
.gift-row input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#fff;font:inherit;font-size:15px;padding:0 16px}
.gift-row input::placeholder{color:rgba(255,255,255,.45)}
.gift-row:focus-within{box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 0 0 1px rgba(131,189,253,.6)}
.gift-note{margin:12px 0 0 16px;font-size:13px;color:rgba(255,255,255,.55)}
.gift-note.ok{color:#9fd3ff}
.gift-note.err{color:#ff8fb5}
.gift-form.done .gift-row{opacity:.5;pointer-events:none}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1000px){
  .curri-grid{grid-template-columns:1fr 1fr}
  .foot-grid{padding:0 24px}
}
@media (max-width:810px){
  .nav{padding:0 16px}
  .nav-burger{display:block}
  .nav-links{position:absolute;top:60px;left:12px;right:12px;flex-direction:column;padding:12px;border-radius:16px;background:rgba(8,10,20,.92);backdrop-filter:blur(14px);box-shadow:0 0 0 1px var(--line) inset;opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .3s,transform .3s var(--ease)}
  .nav.open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav.open{background:rgba(2,3,8,.6);backdrop-filter:blur(14px)}
  .hero{padding-top:120px;min-height:auto}
  .hero-sub{font-size:14px;margin-bottom:40px}
  .marquee{margin-top:50px}
  .marquee-track img{width:300px;height:193px}
  .h-35{font-size:26px;line-height:34px}
  .h-40,.h-44{font-size:28px;line-height:36px}
  .h-46,.h-48{font-size:30px;line-height:38px}
  .problem-grid,.aud-row,.compare-grid,.price-grid,.faq-grid{grid-template-columns:1fr}
  .problem-grid{gap:30px}.problem-grid .btn{margin-top:24px}
  .stats{grid-template-columns:1fr 1fr;gap:40px 16px;margin-top:70px}
  .stat-label{font-size:14px}.stat-num{font-size:42px}
  .globe-wrap{width:340px;height:340px}
  .tool-card{min-height:320px;padding:24px}
  .tool-card h3{font-size:24px;line-height:32px}
  .aud-row{gap:24px}.aud-row.rev .aud-text{order:0}
  .aud-text h3{font-size:28px;line-height:36px}
  .curri-grid{grid-template-columns:1fr}
  .lesson{padding:22px}
  .l-num{font-size:36px}
  .curri-band{padding:80px 24px}
  .vid{flex-basis:240px}
  .testi-grid{grid-template-columns:1fr;padding-top:80px}
  .globe2{width:500px;height:500px;top:-80px}
  .faq-head{margin-top:-90px}
  .faq-q{font-size:16px;line-height:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1/-1}
  .fab{right:16px}
  .gift-card{grid-template-columns:1fr;gap:24px;padding:30px 22px}
  .gift-row{flex-direction:column;border-radius:20px;padding:8px}
  .gift-row input{padding:12px 12px}
  .gift-row .btn{justify-content:center}
  .hero-title{font-size:34px;line-height:1.18}
  .hero-product{font-size:16px}
  .trust{gap:8px 16px;font-size:12px}
  .press-track a,.press-track span{font-size:17px}
  .press-track{gap:40px}
  .mentor-card{grid-template-columns:1fr}
  .mentor-photo{max-width:320px;margin:0 auto}
  .mentor-body{padding:8px 20px 28px}
  .mentor-name{font-size:30px;margin-bottom:18px}
  .cred-grid{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr 1fr}
  .mobile-only{display:block}
  .mbar{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:55;align-items:center;justify-content:space-between;gap:12px;padding:10px 10px 10px 18px;border-radius:999px;background:rgba(6,12,32,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 0 0 1px rgba(131,189,253,.22),0 18px 40px rgba(0,0,0,.5);transform:translateY(140%);transition:transform .45s var(--ease)}
  .mbar.show{transform:none}
  .mbar-price{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:8px;line-height:1.2}
  .mbar-price small{width:100%;font-size:11px;color:rgba(255,255,255,.6)}
  .mbar-price b{font-size:17px;font-weight:700}
  .mbar-price s{font-size:12px;color:rgba(255,255,255,.45)}
  .mbar .btn{padding:11px 20px}
  .fab{bottom:86px}
  .footer{padding-bottom:110px}
}