/* =========================================================
   NEW SKYLINE LANGUAGE CENTER — Refined Stylesheet
   Brand: #CC0000 (red) / #003366 (navy) / #0099FF (sky) / #FF5722 (orange)
   ========================================================= */

:root{
  --red:#CC0000;
  --red-bright:#E60000;
  --navy:#003366;
  --navy-deep:#001f3d;
  --sky:#0099FF;
  --sky-bright:#00B0FF;
  --orange:#FF5722;
  --orange-bright:#FF6E40;
  --light:#F4F9FF;
  --bg-soft:#EAF4FF;
  --text:#0F1B2D;
  --muted:#5B677A;
  --white:#fff;
  --shadow-sm:0 4px 12px rgba(0,51,102,.08);
  --shadow-md:0 16px 40px rgba(0,51,102,.14);
  --shadow-lg:0 28px 60px rgba(0,51,102,.22);
  --shadow-glow-red:0 0 0 4px rgba(204,0,0,.10),0 18px 48px rgba(204,0,0,.28);
  --shadow-glow-orange:0 0 0 4px rgba(255,87,34,.12),0 18px 48px rgba(255,87,34,.32);
  --radius-sm:14px;
  --radius:22px;
  --radius-lg:30px;
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Montserrat',Arial,Helvetica,sans-serif;
  color:var(--text);
  line-height:1.65;
  background:#fff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin:auto}

/* ---------- Top bar ---------- */
.topbar{
  background:linear-gradient(90deg,var(--navy-deep) 0%,var(--navy) 50%,#004080 100%);
  color:white;
  font-size:13.5px;
  padding:10px 0;
  font-weight:500;
  letter-spacing:.2px;
}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.topbar a{color:white}
.topbar b{color:#fff;font-weight:800}
.topbar-left, .topbar-right{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;margin-right:8px;box-shadow:0 0 8px var(--orange)}

/* ---------- Navbar ---------- */
.navbar{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,51,102,.08);
  box-shadow:0 4px 20px rgba(0,51,102,.06);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:18px}
.brand{display:flex;align-items:center;gap:14px;font-weight:900;color:var(--navy);transition:.25s}
.brand:hover{transform:translateY(-1px)}
.brand-logo{
  width:128px;height:78px;
  object-fit:contain;
  background:white;
  border-radius:18px;
  padding:6px 10px;
  box-shadow:var(--shadow-sm);
  transition:.3s;
}
.brand:hover .brand-logo{box-shadow:var(--shadow-md)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:18px;font-weight:900;color:var(--navy);letter-spacing:-.3px}
.brand-text strong em{font-style:normal;color:var(--red);font-weight:900}
.brand-text span{display:block;font-size:11.5px;color:var(--muted);font-weight:700;margin-top:3px;letter-spacing:.5px;text-transform:uppercase}

.nav-links{display:flex;align-items:center;gap:30px;font-weight:700;color:var(--navy);font-size:15px}
.nav-links a{position:relative;padding:6px 0;transition:color .2s}
.nav-links a:hover{color:var(--red)}
.nav-links a:after{
  content:"";height:3px;background:linear-gradient(90deg,var(--red),var(--orange));
  position:absolute;left:0;right:100%;bottom:-6px;
  transition:right .3s cubic-bezier(.65,0,.35,1);
  border-radius:99px;
}
.nav-links a:hover:after,.nav-links .active:after{right:0}
.nav-links .active{color:var(--red)}
.nav-cta{
  background:linear-gradient(135deg,var(--orange),var(--red));
  color:white !important;
  padding:10px 18px !important;
  border-radius:999px;
  font-size:14px;
  box-shadow:0 8px 20px rgba(255,87,34,.32);
  transition:.25s !important;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,87,34,.42);color:white !important}
.nav-cta:after{display:none !important}

.menu-toggle{
  display:none;border:0;background:var(--navy);color:white;
  padding:10px 14px;border-radius:12px;font-size:20px;cursor:pointer;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:14px 26px;
  font-weight:800;font-size:15px;letter-spacing:.2px;
  transition:.25s cubic-bezier(.4,0,.2,1);
  border:2px solid transparent;cursor:pointer;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--orange) 0%,var(--red) 100%);
  color:white;
  box-shadow:var(--shadow-glow-orange);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 0 4px rgba(255,87,34,.18),0 22px 52px rgba(255,87,34,.42)}
.btn-secondary{
  background:linear-gradient(135deg,var(--sky) 0%,var(--navy) 100%);
  color:white;
  box-shadow:0 12px 28px rgba(0,153,255,.30);
}
.btn-secondary:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(0,153,255,.42)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:white}
.btn-outline:hover{background:var(--navy);color:white;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.14);color:white;border:2px solid rgba(255,255,255,.4);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:white;color:var(--navy);transform:translateY(-2px)}
.btn-arrow{transition:transform .3s}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 18% 22%,rgba(0,153,255,.16) 0%,transparent 42%),
    radial-gradient(circle at 82% 78%,rgba(255,87,34,.14) 0%,transparent 44%),
    radial-gradient(circle at 50% 50%,rgba(204,0,0,.05) 0%,transparent 60%),
    linear-gradient(135deg,#ffffff 0%,#f0f7ff 50%,#fff5f0 100%);
  padding:80px 0 96px;
  isolation:isolate;
}
.hero:before{
  content:"";position:absolute;right:-180px;top:-180px;width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,153,255,.18) 0%,transparent 70%);
  z-index:-1;
  animation:floatSlow 12s ease-in-out infinite;
}
.hero:after{
  content:"";position:absolute;left:-220px;bottom:-220px;width:560px;height:560px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(204,0,0,.10) 0%,transparent 70%);
  z-index:-1;
  animation:floatSlow 14s ease-in-out infinite reverse;
}
@keyframes floatSlow{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(20px,-30px)}
}

.hero-grid{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  align-items:center;gap:56px;
}
.hero-content{animation:fadeUp .8s cubic-bezier(.4,0,.2,1) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  background:white;
  border:1.5px solid rgba(0,153,255,.28);
  color:var(--navy);
  padding:9px 16px;border-radius:999px;
  font-weight:800;font-size:13px;letter-spacing:.4px;
  margin-bottom:22px;
  box-shadow:var(--shadow-sm);
}
.eyebrow .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--red);
  box-shadow:0 0 0 0 rgba(204,0,0,.6);
  animation:pulseDot 2s infinite;
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(204,0,0,.6)}
  70%{box-shadow:0 0 0 12px rgba(204,0,0,0)}
  100%{box-shadow:0 0 0 0 rgba(204,0,0,0)}
}

h1{
  font-size:clamp(38px,5.4vw,68px);
  line-height:1.04;
  margin:0 0 22px;
  color:var(--navy);
  letter-spacing:-1.5px;
  font-weight:900;
}
h1 .accent-red{color:var(--red);position:relative;display:inline-block}
h1 .accent-red:after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:linear-gradient(90deg,var(--orange),var(--red));opacity:.16;
  border-radius:99px;z-index:-1;
}
h1 .accent-sky{
  background:linear-gradient(135deg,var(--sky) 0%,var(--navy) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.lead{font-size:18.5px;color:#3D4B5D;margin:0 0 32px;max-width:600px;line-height:1.7}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.stat{
  background:white;border-radius:18px;padding:20px;
  box-shadow:var(--shadow-md);
  border:1px solid #e7f0fa;
  transition:.25s;position:relative;overflow:hidden;
}
.stat:before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--red),var(--orange));
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat b{display:block;color:var(--red);font-size:28px;font-weight:900;line-height:1.1;margin-bottom:4px}
.stat span{font-size:13px;color:var(--muted);font-weight:700}

/* Hero visual */
.hero-visual{
  position:relative;
  animation:fadeUp .9s cubic-bezier(.4,0,.2,1) .15s both;
}
.hero-logo-frame{
  background:white;
  border-radius:var(--radius-lg);
  padding:38px 32px 32px;
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
  border:1px solid rgba(0,51,102,.06);
}
.hero-logo-frame:before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 20%,rgba(0,153,255,.10) 0%,transparent 50%),
    radial-gradient(circle at 80% 80%,rgba(255,87,34,.08) 0%,transparent 50%);
  pointer-events:none;
}
.hero-logo-frame:after{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--red),var(--orange),var(--sky),var(--navy));
}
.hero-logo-wrap{position:relative;text-align:center;padding:16px 0}
.hero-logo-wrap img{
  width:100%;max-width:380px;margin:0 auto;height:auto;
  filter:drop-shadow(0 12px 24px rgba(0,51,102,.10));
}
.hero-logo-tagline{
  text-align:center;margin-top:14px;
  font-size:13px;font-weight:800;color:var(--navy);
  letter-spacing:2px;text-transform:uppercase;
}
.hero-badges{
  display:flex;justify-content:center;gap:8px;flex-wrap:wrap;
  margin-top:18px;position:relative;
}
.hero-badges span{
  background:linear-gradient(135deg,#f7fbff,#ffffff);
  color:var(--navy);font-weight:700;font-size:12px;
  padding:7px 13px;border-radius:99px;
  border:1px solid #e0ecf8;
}
.hero-badges span:nth-child(2){border-color:rgba(0,153,255,.3);color:var(--sky)}
.hero-badges span:nth-child(3){border-color:rgba(255,87,34,.3);color:var(--orange)}

.floating-card{
  position:absolute;background:white;
  border-radius:18px;padding:14px 18px;
  box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:12px;
  font-weight:700;color:var(--navy);font-size:14px;
  border:1px solid #eaf2fa;
  z-index:3;
  animation:floatY 4s ease-in-out infinite;
}
.floating-card .fc-icon{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;color:white;font-size:18px;font-weight:900;flex-shrink:0;
}
.floating-card.top{top:-18px;left:-18px;animation-delay:.3s}
.floating-card.top .fc-icon{background:linear-gradient(135deg,var(--orange),var(--red))}
.floating-card.bottom{bottom:-18px;right:-18px;animation-delay:1s}
.floating-card.bottom .fc-icon{background:linear-gradient(135deg,var(--sky),var(--navy))}
@keyframes floatY{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}

/* ---------- Promo banner (Summer Boost) ---------- */
.promo-section{
  background:
    radial-gradient(circle at 15% 25%,rgba(255,87,34,.18) 0%,transparent 50%),
    radial-gradient(circle at 85% 75%,rgba(204,0,0,.14) 0%,transparent 50%),
    radial-gradient(circle at 50% 50%,rgba(0,153,255,.06) 0%,transparent 60%),
    linear-gradient(135deg,#fff8f3 0%,#fff5f0 50%,#fff0e5 100%);
  padding:78px 0;
  position:relative;overflow:hidden;
}
.promo-section:before{
  content:"";position:absolute;top:-100px;right:-100px;width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,87,34,.20) 0%,transparent 70%);
  animation:floatSlow 14s ease-in-out infinite;
}
.promo-section:after{
  content:"";position:absolute;bottom:-100px;left:-100px;width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(204,0,0,.16) 0%,transparent 70%);
  animation:floatSlow 16s ease-in-out infinite reverse;
}
.promo-grid{
  position:relative;display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center;
}
.promo-poster{
  max-width:380px;width:100%;border-radius:24px;overflow:hidden;
  box-shadow:0 30px 70px rgba(204,0,0,.25),0 12px 30px rgba(0,51,102,.18);
  border:6px solid white;
  transform:rotate(-1.5deg);
  transition:.4s cubic-bezier(.4,0,.2,1);
  position:relative;
  background:white;
}
.promo-poster img{width:100%;height:auto;display:block}
.promo-poster:hover{transform:rotate(0deg) translateY(-6px);box-shadow:0 40px 90px rgba(204,0,0,.32),0 18px 40px rgba(0,51,102,.22)}
.promo-content .promo-tag{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--orange),var(--red));
  color:white;padding:9px 18px;border-radius:999px;
  font-weight:800;font-size:13px;letter-spacing:1px;text-transform:uppercase;
  margin-bottom:20px;
  box-shadow:0 10px 24px rgba(255,87,34,.32);
}
.promo-content .promo-tag .pulse{
  width:8px;height:8px;border-radius:50%;background:white;
  box-shadow:0 0 0 0 rgba(255,255,255,.7);
  animation:pulseDot 2s infinite;
}
.promo-content h2{
  font-size:clamp(32px,4.4vw,52px);
  color:var(--navy);margin:0 0 18px;
  font-weight:900;letter-spacing:-1.2px;line-height:1.05;
}
.promo-content h2 .accent-orange{
  background:linear-gradient(135deg,var(--orange),var(--red));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.promo-content .promo-discount{
  display:inline-block;
  background:white;border:2px dashed var(--red);
  color:var(--red);padding:8px 18px;border-radius:14px;
  font-weight:900;font-size:18px;margin:6px 0 18px;
  letter-spacing:.3px;
}
.promo-content > p{
  font-size:16.5px;color:#3D4B5D;line-height:1.7;margin:0 0 24px;
  max-width:540px;
}
.promo-features{
  display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:0 0 28px;max-width:540px;
}
.promo-features li{
  list-style:none;display:flex;align-items:center;gap:10px;
  background:white;padding:10px 14px;border-radius:12px;
  font-weight:700;font-size:14px;color:var(--navy);
  box-shadow:var(--shadow-sm);
  border:1px solid #ffe2d0;
}
.promo-features .pf-check{
  width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--orange),var(--red));
  color:white;font-weight:900;font-size:13px;
  display:grid;place-items:center;flex-shrink:0;
}

@media(max-width:960px){
  .promo-grid{grid-template-columns:1fr;gap:36px;justify-items:center}
  .promo-poster{max-width:340px}
  .promo-content{text-align:center}
  .promo-content > p{margin-left:auto;margin-right:auto}
  .promo-features{margin-left:auto;margin-right:auto}
}

/* ---------- Section base ---------- */
section{padding:88px 0;position:relative}
.section-light{background:linear-gradient(180deg,#f8fbff 0%,#eef6ff 100%);position:relative}

.section-head{text-align:center;max-width:780px;margin:0 auto 48px}
.section-head .kicker{
  display:inline-block;color:var(--orange);font-weight:800;font-size:13px;
  letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(30px,4.2vw,46px);color:var(--navy);
  margin:0 0 14px;font-weight:900;letter-spacing:-1px;line-height:1.15;
}
.section-head h2 strong{color:var(--red)}
.section-head p{color:var(--muted);margin:0;font-size:17px;line-height:1.7}

/* ---------- Grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:48px;align-items:center}

/* ---------- Cards ---------- */
.card{
  background:white;border-radius:var(--radius);
  padding:32px 28px;
  box-shadow:var(--shadow-md);
  border:1px solid #e8f2fb;
  transition:.3s cubic-bezier(.4,0,.2,1);
  height:100%;
  position:relative;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cce4f8}
.card h3{color:var(--navy);margin:0 0 12px;font-size:21px;font-weight:800;letter-spacing:-.3px}
.card p{color:var(--muted);margin:0;font-size:15px;line-height:1.7}
.icon{
  width:60px;height:60px;border-radius:18px;
  background:linear-gradient(135deg,var(--red),var(--orange));
  display:grid;place-items:center;
  color:white;font-weight:900;font-size:22px;
  margin-bottom:20px;
  box-shadow:0 10px 24px rgba(204,0,0,.24);
  position:relative;
}
.icon-sky{background:linear-gradient(135deg,var(--sky),var(--navy));box-shadow:0 10px 24px rgba(0,153,255,.28)}
.icon-orange{background:linear-gradient(135deg,var(--orange),var(--red));box-shadow:0 10px 24px rgba(255,87,34,.28)}
.icon-navy{background:linear-gradient(135deg,var(--navy),var(--sky));box-shadow:0 10px 24px rgba(0,51,102,.32)}

/* Course/recruit card variant */
.course-card{position:relative;overflow:hidden;display:flex;flex-direction:column}
.course-card:before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--red),var(--orange),var(--sky));
  border-radius:var(--radius) var(--radius) 0 0;
}
.course-card ul{margin:16px 0 0;padding-left:0;color:var(--muted);list-style:none}
.course-card ul li{
  position:relative;padding-left:24px;margin-bottom:8px;font-size:14.5px;
}
.course-card ul li:before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:2px;
  background:linear-gradient(90deg,var(--red),var(--orange));border-radius:2px;
}
.badge{
  display:inline-block;background:linear-gradient(135deg,#eaf6ff,#f5fbff);
  color:var(--navy);border-radius:999px;padding:7px 14px;
  font-weight:800;font-size:12.5px;margin-bottom:14px;
  border:1px solid rgba(0,153,255,.18);letter-spacing:.3px;
}

/* Feature image areas (stock photo backgrounds) */
.feature-image{
  border-radius:28px;min-height:380px;
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-md);
  position:relative;overflow:hidden;
}
.feature-image:before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,51,102,.55),rgba(204,0,0,.18));
  z-index:1;
}
.feature-image:after{
  content:"";position:absolute;bottom:14px;right:14px;
  width:100px;height:4px;border-radius:99px;
  background:linear-gradient(90deg,var(--orange),var(--red));
  z-index:2;
}
.feature-image.classroom{
  background-image:url('images/lop-hoc-tieu-hoc.jpg');
}
.feature-image.classroom:before{
  background:linear-gradient(180deg,rgba(0,51,102,.05) 0%,rgba(0,51,102,.0) 30%,rgba(0,51,102,.55) 100%);
}
.feature-image.teacher{
  background-image:url('images/lop-hoc-mam-non.jpg');
}
.feature-image.teacher:before{
  background:linear-gradient(180deg,rgba(0,51,102,.05) 0%,rgba(0,51,102,.0) 30%,rgba(0,51,102,.55) 100%);
}
.feature-image.recruitment{
  background-image:url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&w=1400&q=80');
}
.feature-image.recruitment:before{background:linear-gradient(135deg,rgba(0,51,102,.65),rgba(255,87,34,.22))}

/* Hero image card (alternative to logo frame layout) */
.image-card{
  background:white;border-radius:30px;padding:14px;
  box-shadow:var(--shadow-lg);position:relative;
}
.image-placeholder{
  min-height:440px;border-radius:22px;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(0,51,102,.55),rgba(0,153,255,.30)),
    url('https://images.unsplash.com/photo-1497486751825-1233686d5d80?auto=format&fit=crop&w=1400&q=80');
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;padding:24px;color:white;
}
.image-placeholder .caption{
  background:rgba(0,0,0,.32);backdrop-filter:blur(10px);
  padding:16px 18px;border-radius:18px;
  border:1px solid rgba(255,255,255,.18);
}

/* ---------- CTA banner ---------- */
.cta{
  background:
    radial-gradient(circle at 80% 20%,rgba(255,87,34,.32) 0%,transparent 50%),
    radial-gradient(circle at 20% 80%,rgba(0,153,255,.22) 0%,transparent 50%),
    linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 60%,#005299 100%);
  color:white;border-radius:34px;
  padding:54px 48px;
  display:grid;grid-template-columns:1.25fr .75fr;
  align-items:center;gap:32px;
  box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}
.cta:before{
  content:"";position:absolute;top:-50px;right:-50px;width:200px;height:200px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,87,34,.18),transparent 70%);
}
.cta h2{margin:0 0 12px;font-size:clamp(26px,3.4vw,36px);font-weight:900;letter-spacing:-.5px}
.cta p{margin:0;color:#DCECFF;font-size:16.5px;max-width:520px}
.cta .hero-actions{justify-content:flex-end;margin:0}

/* ---------- Page header (subpage hero) ---------- */
.page-header{
  background:
    radial-gradient(circle at 90% 20%,rgba(255,87,34,.32) 0%,transparent 45%),
    radial-gradient(circle at 10% 80%,rgba(0,153,255,.30) 0%,transparent 45%),
    linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 50%,#0067b5 100%);
  color:white;padding:84px 0 88px;position:relative;overflow:hidden;
}
.page-header:after{
  content:"";position:absolute;bottom:-1px;left:0;right:0;height:80px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'><path fill='%23ffffff' d='M0,80 C360,20 1080,20 1440,80 Z'/></svg>") no-repeat center / cover;
}
.page-header h1{color:white;margin:0 0 14px;font-size:clamp(36px,5vw,56px);letter-spacing:-1.2px}
.page-header h1 strong{color:var(--orange-bright)}
.page-header .lead{font-size:18.5px;max-width:790px;color:#EAF6FF;margin:0}
.page-header .crumbs{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.10);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);
  color:#EAF6FF;font-size:13px;font-weight:700;letter-spacing:.5px;
  padding:8px 16px;border-radius:999px;margin-bottom:18px;
}
.page-header .crumbs span{color:var(--orange-bright)}

/* ---------- Recruitment specific ---------- */
.recruit-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.recruit-card{display:flex;flex-direction:column}
.recruit-card .sub-levels{
  margin-top:18px;padding-top:18px;border-top:1px dashed rgba(0,51,102,.16);
}
.recruit-card .sub-levels h4{
  margin:0 0 12px;color:var(--navy);font-size:13px;font-weight:800;
  letter-spacing:1px;text-transform:uppercase;
}
.recruit-card .level-pills{display:flex;flex-direction:column;gap:8px;margin:0 0 18px;padding:0}
.recruit-card .level-pills li{
  list-style:none;
  display:flex;align-items:center;gap:10px;
  background:#f4f9ff;border:1px solid #e0ecf8;
  padding:10px 14px;border-radius:12px;
  font-weight:700;font-size:14px;color:var(--navy);
  transition:.2s;
}
.recruit-card .level-pills li:hover{background:#eaf4ff;border-color:var(--sky);transform:translateX(4px)}
.recruit-card .level-pills .num{
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--orange));
  color:white;font-weight:900;font-size:12px;
  display:grid;place-items:center;flex-shrink:0;
}
.recruit-card ul.bullets{margin:6px 0 18px;padding-left:0;list-style:none;color:var(--muted)}
.recruit-card ul.bullets li{
  position:relative;padding-left:22px;margin-bottom:7px;font-size:14px;
}
.recruit-card ul.bullets li:before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:2px;
  background:var(--orange);border-radius:2px;
}
.recruit-card .btn{margin-top:auto;align-self:flex-start}

/* ---------- Contact ---------- */
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:18px;padding-bottom:18px;border-bottom:1px dashed rgba(0,51,102,.10)}
.contact-item:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.contact-item .icon{flex:0 0 48px;width:48px;height:48px;font-size:18px;margin:0;border-radius:14px}
.contact-item p{margin:0;color:var(--text);font-size:15px}
.contact-item p b{display:block;color:var(--navy);font-weight:800;margin-bottom:2px;font-size:15px}
/* Map embed with tab switcher */
.map-card{
  background:white;border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-md);
  border:1px solid #e8f2fb;
}
.map-tabs{
  display:grid;grid-template-columns:1fr 1fr;
  background:linear-gradient(180deg,#f8fbff 0%,#eef6ff 100%);
  border-bottom:1px solid #e0ecf8;
}
.map-tab{
  background:transparent;border:0;cursor:pointer;
  padding:16px 18px;
  display:flex;align-items:center;gap:12px;
  font-family:inherit;color:var(--muted);
  text-align:left;border-bottom:3px solid transparent;
  transition:.25s;
  position:relative;
}
.map-tab:hover{background:rgba(255,255,255,.55)}
.map-tab.active{
  background:white;color:var(--navy);
  border-bottom-color:var(--orange);
  box-shadow:0 -2px 12px rgba(0,51,102,.04);
}
.map-tab + .map-tab{border-left:1px solid #e0ecf8}
.map-tab-dot{
  width:12px;height:12px;border-radius:50%;flex-shrink:0;
  box-shadow:0 0 0 3px rgba(204,0,0,.12);
}
.map-tab:nth-child(2) .map-tab-dot{box-shadow:0 0 0 3px rgba(0,153,255,.14)}
.map-tab-text{display:flex;flex-direction:column;line-height:1.2}
.map-tab-text strong{font-size:13px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:inherit}
.map-tab-text em{font-style:normal;font-size:14.5px;font-weight:700;color:var(--navy);margin-top:2px}
.map-tab.active .map-tab-text em{color:var(--navy)}
.map-frames{position:relative;height:380px;background:#f4f9ff}
.map-frame{
  position:absolute;inset:0;width:100%;height:100%;
  border:0;display:none;
}
.map-frame.active{display:block}

.branch-map-link{
  display:inline-block;margin-top:12px;
  font-size:13.5px;font-weight:800;color:var(--red);
  letter-spacing:.3px;transition:.2s;
}
.branch-card:nth-child(2) .branch-map-link{color:var(--sky)}
.branch-map-link:hover{transform:translateX(3px)}

/* Branch cards */
.branch-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:32px}
.branch-card{
  background:white;border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-md);
  border-left:5px solid var(--red);
  transition:.25s;
  position:relative;overflow:hidden;
}
.branch-card:nth-child(2){border-left-color:var(--sky)}
.branch-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.branch-card .tag{
  display:inline-block;font-size:12px;font-weight:800;
  color:var(--red);letter-spacing:2px;text-transform:uppercase;
  margin-bottom:8px;
}
.branch-card:nth-child(2) .tag{color:var(--sky)}
.branch-card h3{margin:0 0 10px;color:var(--navy);font-size:19px}
.branch-card p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- "Why us" / Highlight rows ---------- */
.highlight-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.highlight-item{
  background:white;border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow-sm);border:1px solid #e8f2fb;
  transition:.25s;text-align:center;
}
.highlight-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.highlight-item .h-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 14px;
  display:grid;place-items:center;color:white;font-size:24px;font-weight:900;
}
.highlight-item:nth-child(1) .h-icon{background:linear-gradient(135deg,var(--red),var(--orange))}
.highlight-item:nth-child(2) .h-icon{background:linear-gradient(135deg,var(--sky),var(--navy))}
.highlight-item:nth-child(3) .h-icon{background:linear-gradient(135deg,var(--orange),var(--red))}
.highlight-item:nth-child(4) .h-icon{background:linear-gradient(135deg,var(--navy),var(--sky))}
.highlight-item h4{margin:0 0 8px;color:var(--navy);font-size:16px;font-weight:800}
.highlight-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}

/* ---------- "Coming soon" / Online test page ---------- */
.coming-wrap{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.coming-visual{
  border-radius:var(--radius-lg);
  background:
    radial-gradient(circle at 30% 30%,rgba(0,153,255,.18) 0%,transparent 60%),
    radial-gradient(circle at 70% 70%,rgba(255,87,34,.16) 0%,transparent 60%),
    linear-gradient(135deg,#f0f7ff 0%,#fff5f0 100%);
  min-height:440px;
  display:grid;place-items:center;
  border:1px solid rgba(0,51,102,.06);
  box-shadow:var(--shadow-md);
  position:relative;overflow:hidden;
  padding:30px;
}
.coming-visual svg{width:100%;height:auto;max-width:380px}

/* ---------- Footer ---------- */
footer{
  background:linear-gradient(180deg,#001a35 0%,#000d1f 100%);
  color:white;padding:60px 0 24px;
  position:relative;
}
footer:before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--red),var(--orange),var(--sky),var(--navy));
}
footer .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer h3{margin:0 0 14px;font-size:18px;color:white;font-weight:900;letter-spacing:-.3px}
footer h4{margin:0 0 14px;font-size:14px;color:var(--orange-bright);font-weight:800;letter-spacing:1.5px;text-transform:uppercase}
footer p,footer a{color:#B6D0F0;font-size:14.5px;line-height:1.7}
footer p{margin:0 0 10px}
footer a:hover{color:white}
footer .footer-brand-logo{
  background:white;border-radius:14px;padding:8px 12px;
  display:inline-block;margin-bottom:14px;
}
footer .footer-brand-logo img{height:54px;width:auto}
.copyright{
  border-top:1px solid rgba(255,255,255,.10);
  margin-top:42px;padding-top:22px;color:#A2B8D2;
  font-size:13.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
}
.copyright .made{color:#7E97B6}

/* ---------- Floating quick actions ---------- */
.floating{
  position:fixed;right:20px;bottom:20px;
  display:flex;flex-direction:column;gap:12px;z-index:99;
}
.floating .fab{
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  box-shadow:var(--shadow-lg);
  color:white;font-weight:900;
  transition:.25s;border:none;cursor:pointer;
  position:relative;
}
.floating .fab:hover{transform:translateY(-4px) scale(1.05)}
.floating .fab-zalo{background:linear-gradient(135deg,#0099FF,#0066CC)}
.floating .fab-form{background:linear-gradient(135deg,var(--orange),var(--red))}
.floating .fab svg{width:26px;height:26px}
.fab-label{
  position:absolute;right:68px;top:50%;transform:translateY(-50%) translateX(8px);
  background:var(--navy);color:white;padding:8px 12px;border-radius:10px;
  font-size:12px;font-weight:700;white-space:nowrap;opacity:0;pointer-events:none;
  transition:.25s;
}
.floating .fab-wrap{position:relative}
.floating .fab-wrap:hover .fab-label{opacity:1;transform:translateY(-50%) translateX(0)}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.4,0,.2,1),transform .8s cubic-bezier(.4,0,.2,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-grid,.grid-2,.cta,.contact-box,.coming-wrap,footer .footer-grid{grid-template-columns:1fr}
  .cta{padding:36px 28px}
  .cta .hero-actions{justify-content:flex-start}
  .grid-3,.recruit-list{grid-template-columns:1fr 1fr}
  .highlight-row{grid-template-columns:1fr 1fr}
  .branch-grid{grid-template-columns:1fr}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:white;padding:20px;width:100%;
    box-shadow:var(--shadow-md);flex-direction:column;align-items:stretch;
    border-top:1px solid #e8f2fb;
  }
  .nav-links a{padding:12px 0;border-bottom:1px solid #f0f5fb}
  .nav-links a:last-child{border-bottom:0}
  .nav-links.show{display:flex}
  .menu-toggle{display:block}
  .nav-cta{margin-top:4px;text-align:center}
  .floating-card.top, .floating-card.bottom{display:none}
}
@media(max-width:640px){
  .brand-logo{width:96px;height:60px;padding:4px 8px}
  .brand-text strong{font-size:15px}
  .brand-text span{font-size:10px}
  .grid-3,.recruit-list,.stats,.highlight-row{grid-template-columns:1fr}
  .topbar .container{display:block;text-align:center}
  .topbar-left,.topbar-right{justify-content:center}
  .hero{padding:54px 0 64px}
  .image-placeholder,.feature-image{min-height:280px}
  .hero-actions .btn{width:100%}
  .cta{padding:28px 22px}
  .page-header{padding:60px 0 70px}
  .floating{right:14px;bottom:14px}
  .floating .fab{width:52px;height:52px}
  section{padding:62px 0}
  .map-tabs{grid-template-columns:1fr}
  .map-tab + .map-tab{border-left:0;border-top:1px solid #e0ecf8}
  .map-frames{height:320px}
}