/* Oliver design system — shared tokens + components */
:root{
  --accent:#e8631a;--accent2:#f5a623;--accent-soft:rgba(232,99,26,.1);
  --serif:'Lora',Georgia,serif;--disp:'Archivo',system-ui,sans-serif;--sans:'Inter',system-ui,sans-serif;--mono:'JetBrains Mono',monospace;
}
[data-theme="light"]{
  --bg:#f4f2ed;--surface:#fff;--card:#fff;--dark:#101010;--darktext:#f4f2ed;
  --ink:#111110;--text:#2b2a26;--muted:#6c675c;--dim:#9d968a;
  --border:#e2ddd1;--border2:#d2ccbc;--shadow:0 18px 44px -20px rgba(60,45,15,.28);
  --grid:rgba(17,17,16,.05);
  --build:#e8631a;--build-soft:rgba(232,99,26,.12);
  --invest:#1a9e63;--invest-soft:rgba(26,158,99,.12);
  --market:#2f6fed;--market-soft:rgba(47,111,237,.12);
}
[data-theme="dark"]{
  --bg:#121110;--surface:#1b1a18;--card:#1b1a18;--dark:#0a0a09;--darktext:#f0ede6;
  --ink:#f0ede6;--text:#e2dfd6;--muted:#a29b8d;--dim:#6c665a;
  --border:#2c2a26;--border2:#3b3831;--shadow:0 18px 44px -20px rgba(0,0,0,.65);
  --grid:rgba(240,237,230,.05);
  --build:#f5a623;--build-soft:rgba(245,166,35,.14);
  --invest:#3ecf8e;--invest-soft:rgba(62,207,142,.14);
  --market:#6ea8fe;--market-soft:rgba(110,168,254,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s;overflow-x:hidden;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:56px 56px}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* NAV */
nav.top{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-in{max-width:1120px;margin:0 auto;padding:0 28px;height:64px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:9px;margin-right:auto;white-space:nowrap;font-family:var(--disp);font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.3px}
.logo:hover{color:var(--ink)}
.logo .o{width:26px;height:26px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:900}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a:not(.ncta){font-size:14px;font-weight:600;color:var(--muted);transition:color .15s;white-space:nowrap}
.nav-links a:not(.ncta):hover,.nav-links a.on{color:var(--accent)}
.kbtn{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11.5px;color:var(--dim);border:1px solid var(--border2);background:transparent;padding:7px 11px;border-radius:50px;cursor:pointer;transition:all .15s;white-space:nowrap}
.kbtn:hover{border-color:var(--accent);color:var(--accent)}
.tgl{width:35px;height:35px;border-radius:50%;border:1px solid var(--border2);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.tgl:hover{border-color:var(--accent)}
.tgl svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ncta{font-family:var(--disp);font-size:13px;font-weight:700;color:var(--bg);background:var(--ink);padding:11px 20px;border-radius:50px;white-space:nowrap;transition:all .15s}
.ncta:hover{background:var(--accent);color:#fff}

/* SECTION HEADINGS */
.kick{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:8px}
.kick .dash{width:18px;height:2px;background:var(--accent)}
.sec-t{font-family:var(--disp);font-weight:800;font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-1.2px;color:var(--ink);line-height:1.05}
.sec-t em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--accent);letter-spacing:-.3px}

/* PILLS (3 trục) */
.pill{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.5px;text-transform:uppercase;padding:3px 10px;border-radius:50px;white-space:nowrap}
.pill.b{color:var(--build);background:var(--build-soft)}
.pill.i{color:var(--invest);background:var(--invest-soft)}
.pill.m{color:var(--market);background:var(--market-soft)}

/* BUTTONS */
.abtn{display:inline-flex;align-items:center;gap:9px;font-family:var(--disp);font-weight:800;font-size:14px;padding:13px 24px;border-radius:50px;transition:all .15s;box-shadow:0 12px 28px -10px rgba(20,15,5,.35);white-space:nowrap;cursor:pointer;border:none}
.abtn.dark{background:var(--dark);color:var(--darktext)}
.abtn.dark:hover{color:var(--darktext)}
.abtn.dark .dot{width:20px;height:20px;border-radius:50%;background:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:#fff}
.abtn.lite{background:var(--surface);color:var(--ink);border:1px solid var(--border2)}
.abtn.acc{background:var(--accent);color:#fff;box-shadow:0 12px 28px -12px var(--accent)}
.abtn.acc:hover{color:#fff}
.abtn:hover{transform:translateY(-2px)}

/* FORM */
.sub-form{display:flex;gap:0;max-width:430px;border:1.5px solid var(--ink);border-radius:50px;overflow:hidden;background:var(--surface)}
.sub-form input{flex:1;font-size:14.5px;background:transparent;border:none;color:var(--ink);padding:14px 20px;outline:none;font-family:inherit;min-width:0}
.sub-form input::placeholder{color:var(--dim)}
.sub-form button{font-family:var(--disp);font-weight:800;font-size:13px;background:var(--ink);color:var(--bg);border:none;padding:14px 24px;cursor:pointer;transition:background .15s;white-space:nowrap}
.sub-form button:hover{background:var(--accent);color:#fff}
.fnote{font-family:var(--mono);font-size:11.5px;color:var(--dim);margin-top:12px}

/* TICKER */
.ticker{background:var(--dark);color:var(--darktext);overflow:hidden;padding:14px 0;position:relative;z-index:5}
.ticker .tk{display:flex;white-space:nowrap;animation:mq 24s linear infinite;width:max-content}
@keyframes mq{to{transform:translateX(-50%)}}
.ticker span{font-family:var(--disp);font-weight:800;font-size:14.5px;letter-spacing:1px;text-transform:uppercase;padding:0 20px;display:inline-flex;align-items:center;gap:20px}
.ticker span i{font-style:normal;color:var(--accent)}

/* FOOTER */
footer.foot-o{border-top:1px solid var(--border);padding:24px 0 38px;margin-top:40px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.foot .fm{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.foot .fr{display:flex;gap:18px;font-family:var(--mono);font-size:12px}
.foot .fr a{color:var(--muted)}.foot .fr a:hover{color:var(--accent)}

/* TOAST */
.toast{position:fixed;left:50%;bottom:-70px;transform:translateX(-50%);background:var(--ink);color:var(--bg);font-weight:600;font-size:14px;padding:14px 24px;border-radius:50px;z-index:600;transition:bottom .35s;box-shadow:var(--shadow)}
.toast.show{bottom:26px}

/* ⌘K MODAL */
.kwrap{position:fixed;inset:0;z-index:400;display:none;align-items:flex-start;justify-content:center;padding:12vh 20px 20px;background:rgba(10,10,10,.45);backdrop-filter:blur(4px)}
.kwrap.open{display:flex}
.kbox{width:100%;max-width:520px;background:var(--surface);border:1px solid var(--border2);border-radius:18px;box-shadow:0 40px 90px -20px rgba(0,0,0,.5);overflow:hidden;animation:kpop .22s cubic-bezier(.2,.7,.3,1)}
@keyframes kpop{from{opacity:0;transform:scale(.97) translateY(6px)}to{opacity:1;transform:none}}
.kbox .ks{display:flex;align-items:center;gap:11px;padding:15px 17px;border-bottom:1px solid var(--border)}
.kbox .ks svg{width:16px;height:16px;stroke:var(--dim);fill:none;stroke-width:2}
.kbox .ks input{flex:1;background:transparent;border:none;outline:none;color:var(--ink);font-size:15px;font-family:inherit}
.kbox .kl{max-height:300px;overflow-y:auto;padding:7px}
.kitem{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;cursor:pointer;font-size:14px;font-weight:600;color:var(--text)}
.kitem:hover{background:var(--bg)}
.kitem .kdot{width:8px;height:8px;border-radius:3px;flex-shrink:0;background:var(--dim)}
.kitem .kdot.b{background:var(--build)}.kitem .kdot.i{background:var(--invest)}.kitem .kdot.m{background:var(--market)}
.kitem .kx{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--dim);white-space:nowrap}

@media(max-width:900px){.nav-links a:not(.ncta){display:none}}
@media(max-width:560px){.sub-form{flex-direction:column;border-radius:22px}}

/* ══ v3 FX — hiệu ứng thu hút (scroll reveal + micro-interactions) ══════════════ */
/* Scroll reveal: phần tử mờ + trượt lên khi vào tầm nhìn (class do JS gắn) */
.sp-reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1);will-change:opacity,transform}
.sp-reveal.in{opacity:1;transform:none}

/* Hero entrance — chỉ phần tử trong luồng (KHÔNG đụng .stage định vị tuyệt đối) */
@keyframes spRise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero .hello{animation:spRise .6s .05s both}
.hero h1{animation:spRise .7s .15s both}
.hero .sub{animation:spRise .7s .3s both}

/* Khối tròn cam "thở" nhẹ */
@keyframes spBreath{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.018)}}
.blob{animation:spBreath 7s ease-in-out infinite}

/* Nút accent + CTA: ánh sáng quét khi hover */
.abtn.acc,.ncta{position:relative;overflow:hidden}
.abtn.acc::after,.ncta::after{content:'';position:absolute;top:0;left:-125%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);transition:left .6s ease;pointer-events:none}
.abtn.acc:hover::after,.ncta:hover::after{left:135%}

/* Card nhấc lên mượt khi rê chuột */
.pcard,.gitem,.pil{transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s}
.pcard:hover,.gitem:hover,.pil:hover{transform:translateY(-4px);box-shadow:var(--shadow)}

/* Link mũi tên giãn nhẹ khi hover */
.ago,.more,.pmore{transition:letter-spacing .2s,color .15s}
.ago:hover,.more:hover,.pmore:hover{letter-spacing:.3px}

@media(prefers-reduced-motion:reduce){
  .sp-reveal{opacity:1!important;transform:none!important;transition:none}
  .hero .hello,.hero h1,.hero .sub,.blob{animation:none!important}
  .abtn.acc::after,.ncta::after{display:none}
}