/* ==========================================================================
   BGB Media — stylesheet
   1. Tokens & themes      5. Hero & stats
   2. Reset & base         6. Services & "what we do"
   3. Header & nav         7. Zones (tabs)
   4. Buttons & ripples    8. Scope / process / FAQ / courses / CTA / footer
   9. Utilities            10. Animations, motion & responsive
   ========================================================================== */

/* ---------- 1. Tokens & themes ---------- */
:root{
  --ink:#0b1b3b;
  --paper:#f4f5f7;
  --white:#fff;
  --blue:#2b4cff;
  --blue-2:#5a76ff;
  --sun:#ffd23f;
  --green:#18c76f;
  --mute:#5a6479;
  --mute-2:#9fb0d6;
  --line:#dde1e9;
  --line-2:#e9ecf2;
  --r:10px;
  --r-lg:16px;
  --r-xl:20px;
  --shadow-sm:0 2px 8px rgba(11,27,59,.06);
  --shadow:0 14px 30px rgba(11,27,59,.14);
  --shadow-lg:0 24px 60px rgba(11,27,59,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:66px;
  --maxw:1120px;
}

html[data-theme="dark"]{
  --ink:#eef2fb;
  --paper:#080d1c;
  --white:#101a33;
  --mute:#94a1bd;
  --mute-2:#8fa0c6;
  --line:#23304f;
  --line-2:#1a2440;
  --blue:#6d8bff;
  --blue-2:#8aa2ff;
  --sun:#ffd23f;
  --shadow:0 14px 30px rgba(0,0,0,.4);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
  --shadow-sm:0 2px 8px rgba(0,0,0,.3);
}

/* Dark panels that must stay dark even in light theme */
.dark-panel{
  background:#0b1b3b;color:#fff;
  border-color:#0b1b3b;
}
html[data-theme="dark"] .dark-panel{background:#05091a;border-color:#2b3a63}
html[data-theme="dark"] .dark-panel .sub,
html[data-theme="dark"] .dark-panel .lead{color:var(--mute-2)}

/* ---------- 2. Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font:400 16px/1.65 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .3s var(--ease),color .3s var(--ease);
}
body.lock{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
img,svg{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--sun);color:#0b1b3b}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;width:100%}
section{padding:76px 0;scroll-margin-top:calc(var(--header-h) + 8px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--blue);
  background:rgba(43,76,255,.1);padding:6px 12px;border-radius:999px;margin-bottom:16px;
}
html[data-theme="dark"] .eyebrow{background:rgba(109,139,255,.16);color:var(--blue-2)}
.head{max-width:660px;margin-bottom:36px}
.head h2{font-size:clamp(28px,3.6vw,40px);font-weight:800}
.head p{color:var(--mute);margin:12px 0 0;font-size:17px}

.skip{
  position:absolute;left:16px;top:-100px;z-index:200;background:var(--ink);color:#fff;
  padding:12px 20px;border-radius:0 0 var(--r) var(--r);font-weight:600;transition:top .2s;
}
.skip:focus{top:0}

/* ---------- 3. Header & nav ---------- */
#prog{
  position:fixed;left:0;top:0;height:3px;width:100%;background:var(--blue);
  transform-origin:left;transform:scaleX(0);z-index:120;
}
header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(12px) saturate(180%);
  -webkit-backdrop-filter:blur(12px) saturate(180%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .3s;
}
header.sc{box-shadow:0 8px 24px rgba(11,27,59,.08)}
.bar{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:16px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.01em;flex:none}
.logo i{
  width:38px;height:38px;border-radius:12px;color:#fff;position:relative;
  background:linear-gradient(140deg,#2b4cff 0%,#7b3dff 45%,#ff2b8a 100%);
  display:grid;place-items:center;font-style:normal;font-size:17px;font-weight:800;
  box-shadow:0 6px 16px rgba(43,76,255,.4),0 0 0 3px rgba(43,76,255,.12);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.logo i::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(160deg,rgba(255,255,255,.55),transparent 52%);
}
.logo i::after{
  content:"";position:absolute;right:-4px;bottom:-4px;width:12px;height:12px;border-radius:50%;
  background:var(--sun);border:2px solid var(--bg);
  animation:pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot{
  0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(255,210,63,.55)}
  50%{transform:scale(1.14);box-shadow:0 0 0 6px rgba(255,210,63,0)}
}
.logo i>*{position:relative;z-index:1}
.logo .logo-t{
  background:linear-gradient(100deg,var(--ink) 20%,var(--blue) 55%,#7b3dff 85%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
html[data-theme="dark"] .logo .logo-t{
  background:linear-gradient(100deg,#ffffff 20%,#8fb0ff 55%,#c9a3ff 85%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo:hover i{transform:rotate(-10deg) scale(1.12);box-shadow:0 10px 24px rgba(43,76,255,.5),0 0 0 3px rgba(123,61,255,.2)}
.logo:hover .logo-t{filter:brightness(1.12)}

nav{display:flex;gap:26px;font-size:14px;font-weight:500;color:var(--mute)}
nav a{position:relative;padding:4px 0;transition:color .2s}
nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--blue);
  transition:width .25s var(--ease);
}
nav a:hover,nav a.on{color:var(--ink)}
nav a:hover::after,nav a.on::after{width:100%}

.nav-actions{display:flex;align-items:center;gap:10px;flex:none}

/* Language + theme switches */
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--white);display:grid;place-items:center;cursor:pointer;
  transition:transform .15s var(--ease),border-color .2s,background .2s;
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--ink)}
.icon-btn:active{transform:scale(.94)}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
html[data-theme="dark"] .icon-btn{background:var(--white)}

.lang-btn{
  position:relative;display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 12px;
  border-radius:10px;border:1px solid var(--line);background:var(--white);cursor:pointer;
  font-size:13px;font-weight:700;letter-spacing:.02em;transition:transform .15s var(--ease),border-color .2s;
}
.lang-btn:hover{transform:translateY(-2px);border-color:var(--ink)}
.lang-btn:active{transform:scale(.94)}
.lang-btn .flag{font-size:15px;line-height:1}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:172px;background:var(--white);
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;
  opacity:0;visibility:hidden;transform:translateY(-8px) scale(.97);transform-origin:top right;
  transition:opacity .2s,transform .2s var(--ease),visibility .2s;z-index:110;
}
.lang-wrap{position:relative}
.lang-menu.open{opacity:1;visibility:visible;transform:none}
.lang-menu button{
  width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;border:0;border-radius:8px;
  background:none;cursor:pointer;text-align:left;font-size:14px;font-weight:500;transition:background .15s;
}
.lang-menu button:hover{background:var(--line-2)}
.lang-menu button[aria-checked=true]{background:rgba(43,76,255,.1);color:var(--blue);font-weight:600}
.lang-menu .code{margin-left:auto;font-size:11px;font-weight:700;opacity:.55;letter-spacing:.06em}

.burger{display:none;width:42px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--white);cursor:pointer;position:relative}
.burger span{
  position:absolute;left:11px;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s var(--ease),opacity .2s,top .3s var(--ease);
}
.burger span:nth-child(1){top:12px}
.burger span:nth-child(2){top:18px}
.burger span:nth-child(3){top:24px}
.burger[aria-expanded=true] span:nth-child(1){top:18px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0;transform:scaleX(.3)}
.burger[aria-expanded=true] span:nth-child(3){top:18px;transform:rotate(-45deg)}

/* Mobile drawer */
.scrim{
  position:fixed;inset:0;background:rgba(11,27,59,.5);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:130;
}
.scrim.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--paper);
  z-index:140;display:flex;flex-direction:column;transform:translateX(100%);
  transition:transform .38s var(--ease);box-shadow:var(--shadow-lg);border-left:1px solid var(--line);
  overflow-y:auto;
}
.drawer.open{transform:none}
.drawer-hd{
  display:flex;align-items:center;justify-content:space-between;height:var(--header-h);
  padding:0 20px;border-bottom:1px solid var(--line);flex:none;
}
.drawer-hd .logo{font-size:16px}
.drawer nav{display:flex;flex-direction:column;gap:0;padding:12px 12px 20px;flex:1}
.drawer nav a{
  padding:15px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:12px;transition:background .2s,transform .2s var(--ease);
}
.drawer nav a::after{display:none}
.drawer nav a .n{font-size:11px;font-weight:700;color:var(--blue);opacity:.5;min-width:20px}
.drawer nav a:hover{background:var(--white);transform:translateX(4px)}
.drawer-ft{padding:16px 20px 28px;border-top:1px solid var(--line);display:grid;gap:10px}

/* ---------- 4. Buttons & ripples ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 20px;border-radius:var(--r);font-weight:600;font-size:15px;
  border:2px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;
  position:relative;overflow:hidden;white-space:nowrap;
  transition:transform .15s var(--ease),box-shadow .15s,background .2s,color .2s,border-color .2s;
}
.btn:hover{background:var(--blue);border-color:var(--blue);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--sun)}
.btn:active{transform:translate(1px,1px);box-shadow:0 0 0 transparent}
.btn.alt{background:transparent;color:var(--ink)}
.btn.alt:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.sun{background:var(--sun);border-color:var(--sun);color:#0b1b3b}
.btn.sun:hover{background:var(--sun);border-color:var(--sun);color:#0b1b3b;box-shadow:4px 4px 0 var(--blue)}
.btn.sm{padding:9px 15px;font-size:14px;border-width:2px}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}
.rip{
  position:absolute;border-radius:50%;background:currentColor;opacity:.28;transform:scale(0);
  animation:rp .6s ease-out forwards;pointer-events:none;
}

/* ---------- 5. Hero & stats ---------- */
/* Background sống động: lưới neon + quỹ đạo + hạt nổi + icon 3D nổi */
.hero{
  background:#0a1633;color:#fff;padding:96px 0 84px;position:relative;overflow:hidden;
  isolation:isolate;
}
html[data-theme="dark"] .hero{background:linear-gradient(165deg,#081228,#040814 72%)}

/* lưới phát sáng phía sau */
.hero-grid-bg{
  position:absolute;inset:-10% -10% 0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(120,160,255,.13) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.13) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(120% 85% at 50% 8%,#000 12%,transparent 72%);
  mask-image:radial-gradient(120% 85% at 50% 8%,#000 12%,transparent 72%);
  animation:gridPan 26s linear infinite;
}
@keyframes gridPan{to{background-position:56px 56px,56px 56px}}

/* các quầng sáng màu (aurora) */
.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0;opacity:.75}
.hero-orb.o1{width:480px;height:480px;right:-120px;top:-180px;background:radial-gradient(circle,rgba(43,76,255,.6),transparent 70%);animation:drift 15s ease-in-out infinite alternate}
.hero-orb.o2{width:400px;height:400px;left:-140px;bottom:-180px;background:radial-gradient(circle,rgba(255,180,40,.34),transparent 70%);animation:drift2 12s ease-in-out infinite alternate}
.hero-orb.o3{width:340px;height:340px;right:26%;top:4%;background:radial-gradient(circle,rgba(120,60,255,.34),transparent 72%);animation:drift 19s ease-in-out infinite alternate-reverse}

/* icon 3D nổi quanh hero */
.hero-apps{position:absolute;inset:0;pointer-events:none;z-index:2}
.app{
  position:absolute;width:92px;height:92px;border-radius:28px;
  display:grid;place-items:center;font-size:40px;font-weight:800;color:#fff;
  box-shadow:
    0 26px 50px rgba(0,0,0,.5),
    0 0 0 1px rgba(255,255,255,.22),
    0 0 46px rgba(255,255,255,.14);
  animation:floaty 7s ease-in-out infinite;
  will-change:transform;
}
.app::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(160deg,rgba(255,255,255,.5),rgba(255,255,255,0) 58%);
}
.app::after{
  content:"";position:absolute;left:12%;right:12%;bottom:7%;height:16%;border-radius:50%;
  background:rgba(0,0,0,.2);filter:blur(9px);
}
.app span{position:relative;z-index:1;color:#fff;text-shadow:0 3px 10px rgba(0,0,0,.32)}
.app.tiktok{background:linear-gradient(150deg,#3ff5e0,#0b6f80);animation-delay:0s;left:3%;top:13%}
.app.fb{background:linear-gradient(150deg,#4a8cff,#123fb4);animation-delay:-1.4s;left:9%;top:69%}
.app.ig{background:linear-gradient(150deg,#ff7ac0,#bd2480);animation-delay:-2.8s;left:25%;top:4%}
.app.yt{background:linear-gradient(150deg,#ff5c5c,#b00f1b);animation-delay:-4.2s;left:42%;top:80%}
.app.ads{background:linear-gradient(150deg,#ffd23f,#d97e00);animation-delay:-5.6s;left:60%;top:9%}
.app.liv{background:linear-gradient(150deg,#ff5f7e,#b3143c);animation-delay:-2.1s;left:79%;top:56%}
.app.sh{background:linear-gradient(150deg,#7ce7a8,#14894a);animation-delay:-3.5s;left:92%;top:19%}

@keyframes floaty{
  0%,100%{transform:translate3d(0,0,0) rotate(-6deg) scale(1)}
  50%{transform:translate3d(0,-20px,0) rotate(7deg) scale(1.06)}
}

/* quỹ đạo tròn chạy chậm */
.hero-ring{
  position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.16);
  pointer-events:none;z-index:0;
}
.hero-ring.r1{width:660px;height:660px;right:-180px;top:-210px;animation:spin 46s linear infinite}
.hero-ring.r2{width:900px;height:900px;right:-260px;top:-330px;animation:spin 68s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

/* dải sáng chạy ngang ở chân hero */
.hero-streak{
  position:absolute;left:0;right:0;bottom:0;height:2px;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent,var(--blue),var(--sun),var(--blue),transparent);
  background-size:220% 100%;animation:streak 7s linear infinite;opacity:.85;
}
@keyframes streak{to{background-position:220% 0}}

.hero .glow{display:none}
.hero .wrap{position:relative;z-index:3}
.hero .wrap.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero h1{color:#fff;max-width:14em;font-size:clamp(36px,5.2vw,60px);margin-top:18px}
.hero .lead{color:#c6d2f2;font-size:18px;margin:20px 0 28px;max-width:38em}
.hero .badge-pill{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:#0b1b3b;
  background:linear-gradient(120deg,var(--sun),#ffe98a);padding:7px 15px;border-radius:999px;
  box-shadow:0 6px 18px rgba(255,210,63,.3);
}
.hero .badge-pill i{
  width:7px;height:7px;border-radius:50%;background:#0b1b3b;animation:blink 1.6s infinite;
}
.hero-sub{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:9px;
  margin:14px 0 0;font-size:15px;font-weight:700;letter-spacing:.01em;
  color:#e8eeff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:8px 15px;border-radius:999px;backdrop-filter:blur(6px);
}
.hero-steps{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;padding:0;list-style:none;
}
.hero-steps li{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  padding:9px 14px;border-radius:12px;font-size:13.5px;color:#d5dff7;font-weight:500;
  backdrop-filter:blur(6px);transition:transform .25s var(--ease),background .25s;
}
.hero-steps li:hover{transform:translateY(-3px);background:rgba(255,255,255,.13)}
.hero-steps li b{
  width:20px;height:20px;border-radius:6px;background:var(--blue);color:#fff;
  display:grid;place-items:center;font-size:11.5px;font-weight:800;flex:none;
}
.hero-steps li:nth-child(2) b{background:var(--sun);color:#0b1b3b}
.hero-steps li:nth-child(3) b{background:var(--green)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .btn.alt{color:#fff;border-color:rgba(255,255,255,.55);background:transparent}
.hero .btn.alt:hover{background:#fff;color:#0b1b3b;border-color:#fff}
.hero .trust{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:30px;color:#a8b8e0;font-size:13.5px;font-weight:500}
.hero .trust span{display:inline-flex;align-items:center;gap:7px}
.hero .trust .st{width:8px;height:8px;border-radius:50%;background:var(--green);flex:none;animation:blink 2.6s infinite}

.board{
  background:#fff;color:#0b1b3b;border-radius:var(--r-lg);padding:8px 24px;
  box-shadow:12px 12px 0 var(--sun);position:relative;
}
.board p{margin:0;padding:16px 0 10px;font-size:13px;color:#5a6479;font-weight:500}
.row{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:18px 0;
  border-top:1px solid #dde1e9;width:100%;background:none;border-left:0;border-right:0;border-bottom:0;
  text-align:left;cursor:pointer;transition:padding .2s var(--ease),background .2s;
}
.row b{font-size:19px;font-weight:600}
.row span{font-size:13px;color:#2b4cff;font-weight:600;white-space:nowrap;
  background:rgba(43,76,255,.1);padding:4px 9px;border-radius:999px}
.row:hover b{color:#2b4cff}
.row:hover{padding-left:10px}
.row:active{transform:scale(.985)}

/* Stats band */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#0b1b3b;border-radius:var(--r-lg);overflow:hidden;margin-top:-1px;
}
html[data-theme="dark"] .stats{background:var(--white);border:1px solid var(--line)}
.stats div{padding:32px 24px;text-align:center;color:#fff;border-left:1px solid rgba(255,255,255,.14)}
html[data-theme="dark"] .stats div{color:var(--ink);border-color:var(--line)}
.stats div:first-child{border-left:0}
.stats b{font-size:clamp(28px,3.4vw,38px);font-weight:800;letter-spacing:-.03em;display:block;color:var(--sun)}
.stats span{font-size:13.5px;color:#b4c2e8;display:block;margin-top:4px}
html[data-theme="dark"] .stats span{color:var(--mute)}
.stats.bump div{animation:bump .5s var(--ease)}
@keyframes bump{40%{transform:scale(1.045)}}

/* Marquee trust strip */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;overflow:hidden;background:var(--white);
  -webkit-mask-image:linear-gradient(to right,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(to right,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{display:flex;gap:56px;width:max-content;animation:slide 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{
  font-size:15px;font-weight:600;color:var(--mute);white-space:nowrap;
  display:inline-flex;align-items:center;gap:10px;
}
.marquee span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--blue);flex:none}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- 6. Services ---------- */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.svc article{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;
  display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.svc article:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue)}
.svc article.feat{background:#0b1b3b;color:#fff;border-color:#0b1b3b}
html[data-theme="dark"] .svc article.feat{background:var(--white);border-color:var(--ink)}
.svc article.feat:hover{box-shadow:var(--shadow-lg)}
.svc h3{font-size:26px;font-weight:800;letter-spacing:-.02em}
.svc .tag{font-size:12.5px;font-weight:700;color:var(--mute);margin-bottom:8px;letter-spacing:.03em;text-transform:uppercase}
.svc p{color:var(--mute);margin:10px 0 0;font-size:15.5px}
.svc .price{font-size:28px;font-weight:800;letter-spacing:-.03em;margin:24px 0 18px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.svc .price small{font-size:13px;font-weight:500;color:var(--mute);letter-spacing:0}
.svc .feat .tag,.svc .feat .price small{color:var(--sun)}
.svc .feat p{color:#9fb0d6}
.svc .btn{margin-top:auto;width:100%}
.svc ul{margin:0 0 24px}
.svc li,.lv li{
  padding:9px 0 9px 24px;border-top:1px solid var(--line);position:relative;font-size:14.5px;
}
.svc li::before,.lv li::before{
  content:"";position:absolute;left:2px;top:16px;width:8px;height:8px;border-radius:2px;background:var(--blue);
}
.svc .feat li{border-color:rgba(255,255,255,.16)}
.svc .feat li::before{background:var(--sun)}
html[data-theme="dark"] .svc .feat li{border-color:var(--line)}

/* ---------- Lưới dịch vụ: 6 thẻ, mỗi thẻ 1 dịch vụ + icon riêng ---------- */
.svc-grid{
  display:grid;gap:18px;
  grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
}
.sc{
  --sc1:var(--blue);--sc2:#7b3dff;--scAccent:var(--blue);
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px 26px;display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
/* quầng sáng màu nền khi hover */
.sc::after{
  content:"";position:absolute;left:50%;top:-60%;width:340px;height:340px;margin-left:-170px;
  border-radius:50%;background:radial-gradient(circle,var(--sc1),transparent 68%);
  opacity:0;filter:blur(38px);pointer-events:none;
  transition:opacity .45s var(--ease);z-index:0;
}
.sc:hover{border-color:var(--scAccent);box-shadow:var(--shadow-lg)}
.sc:hover::after{opacity:.13}
/* thanh trạng thái bên trái */
.sc::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--sc1),var(--sc2));
  transform:scaleY(0);transform-origin:top;transition:transform .38s var(--ease);z-index:1;
}
.sc:hover::before{transform:scaleY(1)}
.sc>*{position:relative;z-index:2}

.sc-ico{
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,var(--sc1),var(--sc2));
  box-shadow:0 10px 24px -4px var(--sc1),inset 0 1px 0 rgba(255,255,255,.34);
  transition:transform .32s var(--ease),box-shadow .32s;
}
.sc-ico svg{width:29px;height:29px;fill:none;stroke:#fff;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.sc:hover .sc-ico{transform:translateY(-3px) rotate(-7deg) scale(1.07)}

.sc-tag{
  align-self:flex-start;margin:16px 0 9px;font-size:11.5px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--scAccent);
  background:color-mix(in srgb,var(--sc1) 11%,transparent);
  border:1px solid color-mix(in srgb,var(--sc1) 26%,transparent);
  padding:4px 11px;border-radius:999px;
}
.sc h3{font-size:21px;font-weight:800;letter-spacing:-.02em;line-height:1.25}
.sc p{color:var(--mute);font-size:14.5px;margin:10px 0 0}
.sc ul{margin:18px 0 22px;padding:0;list-style:none}
.sc li{
  position:relative;padding:7px 0 7px 22px;font-size:14px;color:var(--ink);line-height:1.5;
}
.sc li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;
  background:var(--scAccent);
}
html[data-theme="dark"] .sc li{color:var(--ink)}
.sc .btn{margin-top:auto;width:100%}

/* màu riêng từng dịch vụ */
.sc-tt{--sc1:#3ff5e0;--sc2:#0b6f80;--scAccent:#0d7a8c}
.sc-ap{--sc1:#5b8cff;--sc2:#16268f;--scAccent:#2b4cff}
.sc-lv{--sc1:#ff6b8a;--sc2:#b3143c;--scAccent:#e02d55}
.sc-id{--sc1:#ffa63d;--sc2:#d95a00;--scAccent:#e06a00}
.sc-sh{--sc1:#7ce7a8;--sc2:#0f7a42;--scAccent:#14894a}
.sc-fb{--sc1:#6ea8ff;--sc2:#123a8f;--scAccent:#1877f2}
.sc-ig{--sc1:#ff8fd0;--sc2:#a01e6b;--scAccent:#d6358f}
.sc-ad{--sc1:#c48cff;--sc2:#5b21b6;--scAccent:#7b3dff}
.sc-tag{color:var(--scAccent)}
html[data-theme="dark"] .sc-ad .sc-tag,
html[data-theme="dark"] .sc-lv .sc-tag{color:var(--sc1)}
html[data-theme="dark"] .sc{--scAccent:var(--sc1)}

/* "What we do" grid */
.what{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:w}
.what article{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;position:relative;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.what article::before{
  content:counter(w,decimal-leading-zero);counter-increment:w;position:absolute;top:18px;right:22px;
  font-size:34px;font-weight:800;color:var(--line);letter-spacing:-.04em;line-height:1;transition:color .3s;
}
.what article:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue)}
.what article:hover::before{color:var(--blue);opacity:.35}
.what .ico{
  width:44px;height:44px;border-radius:12px;background:rgba(43,76,255,.1);display:grid;place-items:center;
  margin-bottom:16px;flex:none;
}
.what .ico svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.what b{font-size:18px;line-height:1.3;display:block;margin-bottom:8px;font-weight:700}
.what span{color:var(--mute);font-size:14.5px}
html[data-theme="dark"] .what .ico{background:rgba(109,139,255,.16)}
html[data-theme="dark"] .what .ico svg{stroke:var(--blue-2)}

/* ---------- 7. Zones ---------- */
.zones{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:10px;margin-bottom:28px}
.zt{
  text-align:left;padding:18px 20px;border-radius:14px;border:2px solid var(--line);
  background:var(--white);cursor:pointer;display:flex;flex-direction:column;gap:3px;
  transition:border-color .2s,background .2s,box-shadow .25s var(--ease),transform .15s var(--ease);
}
.zt small{font-size:12px;font-weight:700;color:var(--blue);align-self:flex-start;letter-spacing:.02em;
  background:rgba(43,76,255,.1);padding:3px 10px;border-radius:999px}
.zt b{font-size:19px;font-weight:700}
.zt span{font-size:13.5px;color:var(--mute)}
.zt:hover{border-color:var(--ink);transform:translateY(-2px)}
.zt:active{transform:scale(.97)}
.zt[aria-selected=true]{
  background:#0b1b3b;border-color:#0b1b3b;color:#fff;box-shadow:6px 6px 0 var(--sun);
}
html[data-theme="dark"] .zt[aria-selected=true]{background:var(--white);color:var(--ink);border-color:var(--ink)}
.zt[aria-selected=true] small,.zt[aria-selected=true] span{color:#b4c2e8}
html[data-theme="dark"] .zt[aria-selected=true] small,
html[data-theme="dark"] .zt[aria-selected=true] span{color:var(--mute)}
.zpanel>h3{font-size:26px;font-weight:800}
.zpanel>p.sub{color:var(--mute);margin:8px 0 24px;max-width:44em}
.zpanel[hidden]{display:none}

.why{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.why.c2{grid-template-columns:repeat(2,1fr)}
.why a{
  display:flex;flex-direction:column;gap:8px;background:var(--white);border:1px solid var(--line);
  border-left:6px solid var(--blue);border-radius:var(--r);padding:24px;position:relative;overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;
}
.why a::after{
  content:"";position:absolute;left:0;bottom:0;height:4px;width:0;background:var(--sun);
  transition:width .35s var(--ease);
}
.why a:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.why a:hover::after{width:100%}
.why a:hover em{text-decoration:underline;text-underline-offset:4px}
.why a:active{transform:scale(.985)}
.why .ic{
  width:38px;height:38px;border-radius:11px;background:rgba(43,76,255,.1);display:grid;place-items:center;
  flex:none;margin-bottom:2px;transition:background .3s,transform .3s var(--ease);
}
.why .ic svg{width:20px;height:20px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.why a:hover .ic{background:var(--blue);transform:scale(1.08)}
.why a:hover .ic svg{stroke:#fff}
.why a.ask .ic{background:rgba(11,27,59,.14)}
.why a.ask .ic svg{stroke:#0b1b3b}
.why a.ask:hover .ic{background:#0b1b3b}
.why a.ask:hover .ic svg{stroke:#fff}
html[data-theme="dark"] .why .ic{background:rgba(109,139,255,.16)}
html[data-theme="dark"] .why .ic svg{stroke:var(--blue-2)}
html[data-theme="dark"] .why a.ask .ic{background:rgba(255,210,63,.2)}
html[data-theme="dark"] .why a.ask .ic svg{stroke:var(--sun)}
html[data-theme="dark"] .why a.ask:hover .ic{background:var(--sun)}
html[data-theme="dark"] .why a.ask:hover .ic svg{stroke:#0b1b3b}
.why b{font-size:17.5px;line-height:1.3;font-weight:700}
.why span{color:var(--mute);font-size:14.5px}
.why em{
  margin-top:auto;padding-top:12px;font-style:normal;font-weight:600;font-size:14px;color:var(--blue);
  display:inline-flex;align-items:center;gap:6px;
}
.why a.ask{background:var(--sun);border-color:var(--sun);border-left-color:#0b1b3b}
.why a.ask span,.why a.ask em{color:#0b1b3b}
.why a.ask::after{background:#0b1b3b}

.live{margin-top:16px;display:grid;grid-template-columns:1.1fr 1fr 1fr;background:#0b1b3b;color:#fff;border-radius:var(--r-lg);overflow:hidden}
html[data-theme="dark"] .live{background:var(--white);border:1px solid var(--line)}
.live>div{padding:32px;display:flex;flex-direction:column}
.live>div+div{border-left:1px solid rgba(255,255,255,.16)}
html[data-theme="dark"] .live>div+div{border-color:var(--line)}
.live .lh{background:var(--blue)}
html[data-theme="dark"] .live .lh{background:var(--blue);color:#fff}
.live h3{font-size:28px;font-weight:800}
.live p,.live span{color:#b4c2e8;font-size:15px;margin:10px 0 0}
.live .lh p{color:#e3e8ff}
html[data-theme="dark"] .live p,html[data-theme="dark"] .live span{color:var(--mute)}
html[data-theme="dark"] .live .lh p{color:#e3e8ff}
.live b{font-size:19px;display:flex;align-items:center;gap:10px;font-weight:700}
.live .btn{margin-top:auto}
.live span{margin-bottom:24px}
.st{width:11px;height:11px;border-radius:50%;background:var(--green);flex:none;animation:blink 1.6s infinite}
.st.o{background:var(--sun)}
.note{font-size:14px;color:var(--mute);margin-top:18px;max-width:60em}

/* ---------- 8. Scope / process / FAQ / courses / CTA / footer ---------- */
.scope{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;font-size:16px}
.scope li,.scope div{
  padding:16px 0 16px 26px;border-top:1px solid var(--line);position:relative;display:flex;align-items:center;gap:10px;
}
.scope li::before{
  content:"";position:absolute;left:2px;top:22px;width:9px;height:9px;border-radius:2px;background:var(--blue);flex:none;
}
.scope .sc-ico{color:var(--blue);flex:none;display:grid;place-items:center}
.scope .sc-ico svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps>div{border-top:2px solid var(--ink);padding-top:16px;position:relative}
.steps>div::before{
  counter-increment:s;content:"0" counter(s);display:block;font-weight:800;font-size:14px;color:var(--blue);
  letter-spacing:.06em;margin-bottom:2px;
}
.steps>div::after{
  content:"";position:absolute;top:-2px;left:0;width:0;height:2px;background:var(--blue);
  transition:width .5s var(--ease);
}
.steps>div:hover::after{width:100%}
.steps b{display:block;font-size:18px;margin:4px 0 6px;font-weight:700}
.steps span{color:var(--mute);font-size:14.5px}

.faq{max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 0;font-weight:600;font-size:17px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;transition:color .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--blue)}
.faq .qa{
  width:28px;height:28px;border-radius:8px;background:var(--line-2);display:grid;place-items:center;
  flex:none;position:relative;transition:background .25s,transform .3s var(--ease);
}
.faq .qa::before,.faq .qa::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .25s;
}
.faq .qa::before{width:12px;height:2px}
.faq .qa::after{width:2px;height:12px}
.faq details[open] .qa{background:var(--blue)}
.faq details[open] .qa::before{background:#fff}
.faq details[open] .qa::after{background:#fff;transform:scaleY(0)}
.faq .ans{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.faq details[open] .ans{grid-template-rows:1fr}
.faq .ans>div{overflow:hidden}
.faq .ans p{margin:0 0 22px;color:var(--mute);max-width:64em;padding-right:44px}

/* Courses */
.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.course-top{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;
}
.cat{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start}
.tabs{display:flex;flex-direction:column;gap:4px;position:sticky;top:calc(var(--header-h) + 20px)}
.tab{
  text-align:left;padding:15px 16px;border-radius:var(--r);border:1px solid transparent;
  background:none;cursor:pointer;display:flex;flex-direction:column;transition:background .2s,transform .12s;
}
.tab b{font-weight:600}
.tab small{color:var(--mute);font-size:13px}
.tab:hover{background:var(--white)}
.tab:active{transform:scale(.975)}
.tab[aria-selected=true]{background:var(--white);border-color:var(--line);box-shadow:inset 4px 0 0 var(--blue)}
.tab[aria-selected=true] b{color:var(--blue)}
.panel[hidden]{display:none}
.panel>h3{font-size:26px;font-weight:800}
.panel>p{color:var(--mute);margin:8px 0 24px;max-width:44em}
.lv{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.lv article{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s;
}
.lv article:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.lv article.pro{border-color:var(--ink);border-width:2px}
.lvl{font-size:12.5px;font-weight:700;color:var(--mute);letter-spacing:.04em;text-transform:uppercase;min-height:20px}
.lv article.pro .lvl::before{content:"Nâng cao";background:var(--sun);color:#0b1b3b;padding:3px 9px;border-radius:4px}
html[data-theme="dark"] .lv article.pro .lvl::before{content:"Advanced";background:var(--sun)}
.price{font-size:30px;font-weight:800;letter-spacing:-.03em;margin:6px 0 16px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price small{font-size:13px;font-weight:500;color:var(--mute);letter-spacing:0}
.lv .btn{margin-top:auto;width:100%}
.lv .sub{font-size:14px;color:var(--mute);margin:0 0 20px}

.perks{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.perks div{padding:22px 0;border-top:1px solid var(--line)}
.perks b{display:block;font-size:18px;margin-bottom:4px;font-weight:700}
.perks span{color:var(--mute);font-size:15px}

/* Closing CTA */
.end{
  background:#0b1b3b;color:#fff;border-radius:var(--r-xl);padding:54px;display:flex;
  justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden;
}
html[data-theme="dark"] .end{background:var(--white);border:1px solid var(--line)}
.end::before{
  content:"";position:absolute;right:-90px;top:-110px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,var(--blue),#16268f);animation:drift 14s ease-in-out infinite alternate;
}
.end>*{position:relative;z-index:1}
.end h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;max-width:16em}
.end p{color:#9fb0d6;margin:10px 0 0;max-width:38em}
html[data-theme="dark"] .end p{color:var(--mute)}
/* ---- Section liên hệ: 4 kênh liên hệ ---- */
.contact-sec{padding-top:0}
.end-txt{flex:1 1 100%;display:grid;gap:26px}
.end-txt h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;max-width:16em}
.ct-hint{color:#9fb0d6;font-size:14.5px;margin:-14px 0 0;max-width:44em}
html[data-theme="dark"] .ct-hint{color:var(--mute)}

.contact-list{
  list-style:none;margin:0;padding:0;display:grid;gap:12px;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
}
.contact-list a{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:16px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  color:#fff;position:relative;overflow:hidden;
  backdrop-filter:blur(8px);
  transition:transform .22s var(--ease),background .22s,border-color .22s,box-shadow .22s;
}
html[data-theme="dark"] .contact-list a{
  background:var(--bg);border-color:var(--line);color:var(--ink);
}
.contact-list a::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--cc,var(--blue));transform:scaleY(0);transform-origin:bottom;
  transition:transform .3s var(--ease);
}
.contact-list a:hover{
  transform:translateY(-3px);background:rgba(255,255,255,.13);
  border-color:rgba(255,255,255,.3);box-shadow:0 12px 30px rgba(0,0,0,.3);
}
html[data-theme="dark"] .contact-list a:hover{background:var(--white);border-color:var(--ink)}
.contact-list a:hover::before{transform:scaleY(1)}
.contact-list .ci{
  width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--c1),var(--c2));
  box-shadow:0 6px 16px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.35);
}
.contact-list .ci svg{width:23px;height:23px;fill:none;stroke:#fff;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
.contact-list .ct{display:flex;flex-direction:column;gap:2px;min-width:0}
.contact-list .ct b{font-size:12px;font-weight:700;color:rgba(255,255,255,.72);
  letter-spacing:.05em;text-transform:uppercase}
html[data-theme="dark"] .contact-list .ct b{color:var(--mute)}
.contact-list .ct em{
  font-style:normal;font-size:16px;font-weight:700;letter-spacing:-.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.contact-list .go{
  margin-left:auto;flex:none;font-style:normal;font-size:19px;font-weight:700;
  color:rgba(255,255,255,.5);transform:translateX(-4px);
  transition:transform .25s var(--ease),color .25s;
}
html[data-theme="dark"] .contact-list .go{color:var(--mute)}
.contact-list a:hover .go{transform:translateX(3px);color:#fff}
html[data-theme="dark"] .contact-list a:hover .go{color:var(--blue)}

.cl-zalo{--c1:#3ea1ff;--c2:#0a5bc4;--cc:#3ea1ff}
.cl-mail{--c1:#ff6b6b;--c2:#d32f2f;--cc:#ff5c5c}
.cl-tg{--c1:#45b3f0;--c2:#1c7ecf;--cc:#35a9ef}
.cl-tt{--c1:#3ff5e0;--c2:#0b6f80;--cc:#25f4d4}

footer{padding:28px 0 46px;font-size:14px;color:var(--mute)}
footer .wrap{
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:26px;
}
footer p{margin:0;max-width:38em}
footer .ft-links{display:flex;flex-direction:column;gap:8px;align-items:flex-end;text-align:right}
footer a:hover{color:var(--blue)}
footer .ft-name{color:var(--ink);font-weight:800}

.fab{
  position:fixed;right:20px;bottom:20px;z-index:90;display:flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;background:#0b1b3b;color:#fff;font-weight:600;font-size:15px;
  box-shadow:5px 5px 0 var(--sun);border:0;cursor:pointer;overflow:hidden;
  transition:transform .15s var(--ease),box-shadow .15s,opacity .3s;
}
.fab:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--sun)}
.fab:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--sun)}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--green);flex:none;animation:ring 1.8s infinite}

.to-top{
  position:fixed;right:20px;bottom:82px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:var(--white);border:1px solid var(--line);cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;transform:translateY(12px) scale(.85);
  transition:opacity .3s,transform .3s var(--ease),visibility .3s,border-color .2s;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--ink);transform:translateY(-2px)}
.to-top svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 9. Reveal & utilities ---------- */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .65s var(--ease),transform .65s var(--ease);transition-delay:calc(var(--i,0)*80ms)}
.js .rv.in{opacity:1;transform:none}
.hidden{display:none !important}

/* ---------- 10. Animations ---------- */
@keyframes up{from{opacity:0;transform:translateY(22px)}}
@keyframes pop{from{opacity:0;transform:translate(12px,12px);box-shadow:0 0 0 var(--sun)}}
@keyframes drift{to{transform:translate(-34px,26px)}}
@keyframes drift2{to{transform:translate(28px,-20px)}}
@keyframes rp{to{transform:scale(1);opacity:0}}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(24,199,111,.6)}80%,100%{box-shadow:0 0 0 10px rgba(24,199,111,0)}}
@keyframes blink{50%{opacity:.3}}
.hero h1{animation:up .7s var(--ease) backwards;animation-delay:.05s}
.hero .lead{animation:up .7s var(--ease) backwards;animation-delay:.18s}
.hero .cta{animation:up .7s var(--ease) backwards;animation-delay:.3s}
.hero .trust{animation:up .7s var(--ease) backwards;animation-delay:.42s}
.board{animation:pop .6s var(--ease) .4s backwards}
.zpanel:not([hidden]) .why>*,
.panel:not([hidden]) .lv>*{animation:up .45s var(--ease) calc(var(--i,0)*50ms) backwards}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero .wrap.hero-grid{grid-template-columns:1fr;gap:44px}
  .why{grid-template-columns:1fr 1fr}
  .what{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(3),.stats div:nth-child(1){border-left:0}
  .stats div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
  .zones{grid-template-columns:1fr 1fr}
}

@media (max-width:860px){
  .bar nav,.bar > .btn.nav-cta{display:none}
  .burger{display:block}
  .svc,.course-grid,.cat,.scope,.perks,.end{flex-direction:column}
  .svc,.course-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
  .sc{padding:24px 20px 22px}
  .sc-ico{width:50px;height:50px;border-radius:16px}
  .sc-ico svg{width:25px;height:25px}
  .sc h3{font-size:19px}
  .cat{grid-template-columns:1fr;gap:22px}
  .tabs{
    position:static;flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:8px;
    scrollbar-width:none;
  }
  .tabs::-webkit-scrollbar{display:none}
  .tab{flex:0 0 auto;min-width:158px;border-color:var(--line)}
  .tab[aria-selected=true]{box-shadow:inset 0 -4px 0 var(--blue)}
  .scope,.perks{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .why.c2{grid-template-columns:1fr}
  .live{grid-template-columns:1fr}
  .live>div+div{border-left:0;border-top:1px solid rgba(255,255,255,.16)}
  html[data-theme="dark"] .live>div+div{border-color:var(--line)}
  .end{padding:34px 24px}
  .board{box-shadow:7px 7px 0 var(--sun)}
  section{padding:60px 0}
  .hero{padding:56px 0 52px}
  .hero-orb.o1{width:300px;height:300px;right:-130px;top:-120px}
  .hero-orb.o3{width:240px;height:240px}
  .app{width:66px;height:66px;border-radius:21px;font-size:28px}
  .app span{font-size:inherit}
  .app.sh{display:none}
  .app.ads{left:86%;top:76%}
  .faq .ans p{padding-right:0}
}

@media (max-width:640px){
  .why,.what{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .svc article{padding:26px}
  .end h2{font-size:24px}
  .fab{right:12px;bottom:12px;padding:11px 16px;font-size:14px}
  .to-top{right:14px;bottom:70px;width:40px;height:40px}
  .marquee-track{gap:36px}
  .hero h1{font-size:clamp(30px,8.6vw,40px)}
  .hero .lead{font-size:16px}
  .hero-sub{font-size:13.5px;padding:7px 13px}
  .hero-steps{gap:8px}
  .hero-steps li{font-size:12.5px;padding:8px 11px;gap:7px}
  .hero-apps .app:nth-child(n+4){display:none}
  .board{padding:6px 18px}
  .row b{font-size:17px}
  footer .ft-links{align-items:flex-start;text-align:left}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .js .rv{opacity:1;transform:none}
  .marquee-track{animation:none}
}

@media print{
  header,.fab,.to-top,.drawer,.scrim,#prog,.marquee{display:none !important}
  body{background:#fff;color:#000}
  section{padding:20px 0;break-inside:avoid}
}