:root{
  --bg:#070b12;--panel:#0d1420;--panel2:#101b2a;--text:#f5f7fb;--muted:#93a2b7;
  --accent:#45e0ff;--accent2:#6c63ff;--border:rgba(255,255,255,.09);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:auto}.nav{position:sticky;top:0;z-index:20;background:rgba(7,11,18,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.5px}.brand img{width:40px;height:40px}.brand small{display:block;color:var(--accent);font-size:9px;letter-spacing:2px}.admin-link{color:var(--muted);font-size:14px}.admin-link:hover{color:#fff}
.hero{padding:95px 0 75px;overflow:hidden;background:radial-gradient(circle at 80% 30%,rgba(69,224,255,.12),transparent 30%),radial-gradient(circle at 10% 20%,rgba(108,99,255,.12),transparent 30%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}.pill,.eyebrow{color:var(--accent);font-weight:800;letter-spacing:2px;font-size:12px}.pill{display:inline-block;padding:8px 12px;border:1px solid rgba(69,224,255,.25);border-radius:999px;background:rgba(69,224,255,.06)}
h1{font-size:clamp(42px,6vw,76px);line-height:.98;letter-spacing:-3px;margin:22px 0}.hero h1 span{background:linear-gradient(90deg,var(--accent),#fff,var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;line-height:1.7;color:var(--muted);max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn{border:0;border-radius:12px;padding:14px 20px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-height:48px}.primary{background:linear-gradient(100deg,var(--accent),#7a8cff);color:#041018}.secondary{background:rgba(255,255,255,.06);border:1px solid var(--border);color:#fff}.full{width:100%}
.version-card{border:1px solid var(--border);background:rgba(255,255,255,.035);border-radius:16px;padding:16px 18px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;max-width:580px}.version-card span{color:var(--muted)}.version-card strong{color:var(--accent)}.version-card small{width:100%;color:var(--muted)}
.hud-preview{height:410px;border:1px solid rgba(69,224,255,.22);border-radius:30px;background:linear-gradient(160deg,#0d1826,#05080e);box-shadow:0 0 80px rgba(69,224,255,.1);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.glow{position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(69,224,255,.08);filter:blur(20px)}.speed{font-size:130px;line-height:.8;font-weight:900;letter-spacing:-8px;color:#e8fbff;text-shadow:0 0 25px rgba(69,224,255,.55)}.unit{font-size:16px;color:var(--accent);letter-spacing:4px;margin-top:18px}.road{color:rgba(69,224,255,.55);margin:40px 0 12px}.route{color:#fff;font-size:14px}
.section{padding:85px 0}.section-head{margin-bottom:30px}.section-head h2,.update-box h2{font-size:38px;letter-spacing:-1.5px;margin:10px 0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.cards article{background:var(--panel);border:1px solid var(--border);padding:24px;border-radius:20px}.icon{font-size:28px}.cards h3{margin:18px 0 8px}.cards p{color:var(--muted);line-height:1.6;margin:0}
.update-section{padding:20px 0 90px}.update-box{border:1px solid rgba(69,224,255,.2);border-radius:24px;background:linear-gradient(120deg,rgba(69,224,255,.08),rgba(108,99,255,.07));padding:35px;display:flex;justify-content:space-between;align-items:center;gap:25px}.update-box p{color:var(--muted);line-height:1.6;max-width:700px}
footer{border-top:1px solid var(--border);color:var(--muted);padding:25px 0}.footer-inner{display:flex;justify-content:space-between;font-size:13px}
.admin-main{padding:55px 0 90px;min-height:calc(100vh - 72px)}.narrow{max-width:760px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:22px;padding:30px}.panel h1{font-size:42px;letter-spacing:-2px;margin:10px 0}.panel p{color:var(--muted);line-height:1.6}label{display:block;font-weight:700;margin:18px 0}input,textarea{width:100%;margin-top:8px;background:#08101b;color:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;font:inherit;outline:none}input:focus,textarea:focus{border-color:rgba(69,224,255,.6)}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.hidden{display:none}.error{color:#ff8e9d;margin-top:12px}.status{margin-top:14px;color:var(--accent);font-weight:700}.admin-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.admin-note{margin-top:22px;padding:16px;border-radius:14px;background:rgba(69,224,255,.05);color:var(--muted);line-height:1.6}
@media(max-width:850px){.hero-grid{grid-template-columns:1fr}.hud-preview{height:320px}.cards{grid-template-columns:1fr 1fr}.update-box{flex-direction:column;align-items:flex-start}}
@media(max-width:560px){h1{font-size:47px}.cards{grid-template-columns:1fr}.two{grid-template-columns:1fr}.panel{padding:20px}.footer-inner{flex-direction:column;gap:8px}}

/* ==========================================================
   HERO: TRAI = NOI DUNG | PHAI = UPDATE + 68 KM/H
   ========================================================== */

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: 55px;
  align-items: start;
}

.hero-left {
  min-width: 0;
}

.hero-right {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 55px;
}

.hero-update {
  width: 100%;
  padding: 28px;
  border-radius: 22px;
  border: 1px solid rgba(0, 229, 255, 0.25);
  background:
    linear-gradient(145deg, rgba(0, 229, 255, 0.08), rgba(255,255,255,0.02)),
    rgba(7, 15, 28, 0.95);
  box-shadow:
    0 18px 45px rgba(0,0,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.05);
}

.hero-update h2 {
  margin: 8px 0 12px;
}

.hero-update p {
  margin-bottom: 20px;
}

.hero-update .btn {
  display: inline-flex;
}

/* 68 KM/H nằm bên dưới khối cập nhật */
.hero-right .hud-preview {
  width: 100%;
  height: 300px;
  min-height: 300px;
  margin: 0;
}

/* Xóa khối update cũ phía dưới */
.update-section {
  display: none !important;
}

/* MOBILE */
@media (max-width: 900px) {

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-right {
    padding-top: 0;
  }

  .hero-update {
    order: 1;
  }

  .hero-right .hud-preview {
    order: 2;
    height: 300px;
    min-height: 300px;
  }
}

@media (max-width: 600px) {

  .hero-update {
    padding: 22px;
    border-radius: 18px;
  }

  .hero-right .hud-preview {
    height: 270px;
    min-height: 270px;
  }
}

/* ===== FINAL HERO LAYOUT ===== */

.hero .hero-layout {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr) !important;
  gap: 50px !important;
  align-items: start !important;
}

.hero .hero-left {
  display: block !important;
  width: 100% !important;
  min-width: 0 !important;
}

.hero .hero-right {
  display: flex !important;
  flex-direction: column !important;
  width: 100% !important;
  min-width: 0 !important;
  gap: 28px !important;
  padding-top: 60px !important;
}

/* KHỐI CẬP NHẬT BÊN PHẢI */
.hero .hero-right .hero-update {
  display: block !important;
  width: 100% !important;
  box-sizing: border-box !important;
  padding: 28px !important;
  margin: 0 !important;
  border-radius: 22px !important;
  border: 1px solid rgba(0,229,255,.25) !important;
  background: rgba(7,15,28,.95) !important;
}

/* KHỐI 68 KM/H NGAY BÊN DƯỚI UPDATE */
.hero .hero-right .hud-preview {
  display: flex !important;
  width: 100% !important;
  height: 300px !important;
  min-height: 300px !important;
  margin: 0 !important;
  box-sizing: border-box !important;
}

/* Không hiển thị update cũ phía dưới */
.update-section {
  display: none !important;
}

/* Desktop */
@media (min-width: 901px) {
  .hero .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.70fr) !important;
  }
}

/* Điện thoại */
@media (max-width: 900px) {
  .hero .hero-layout {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 30px !important;
  }

  .hero .hero-right {
    padding-top: 0 !important;
  }
}

@media (max-width: 600px) {
  .hero .hero-right .hud-preview {
    height: 270px !important;
    min-height: 270px !important;
  }
}