/* ===========================================================
   Hoa Nghiem Vietnamese Language School — public theme
   Palette: school green + gold/yellow, lotus accents
   =========================================================== */
:root{
  --brand:#1b6b3a;          /* school green */
  --brand-dark:#0f3d24;
  --brand-light:#2e8b52;
  --accent:#f4b400;         /* gold / yellow */
  --accent-dark:#caa100;
  --ink:#23291f;
  --muted:#6a7065;
  --line:#e6e8e1;
  --bg:#ffffff;
  --bg-tint:#f4f8f2;
  --radius:16px;
  --shadow:0 10px 30px rgba(15,61,36,.10);
  --shadow-lg:0 24px 60px rgba(15,61,36,.18);
  --maxw:1160px;
  --font:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-light)}
h1,h2,h3,h4{line-height:1.2;color:var(--brand-dark);font-weight:800;margin:.2em 0 .5em}
h1{font-size:clamp(2rem,4vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.narrow{max-width:820px}
.section{padding:4rem 0}
.section-tint{background:var(--bg-tint)}
.muted{color:var(--muted)}
.center{text-align:center}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);padding:.5rem 1rem;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* Buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;padding:.75rem 1.4rem;border-radius:999px;
  font-weight:700;border:2px solid var(--brand);cursor:pointer;transition:.2s;font-size:1rem}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#3a2d00}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#3a2d00}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-lg{padding:.95rem 2rem;font-size:1.1rem}
/* Ghost buttons sitting on dark hero/CTA backgrounds need light text */
.hero .btn-ghost,.cta-band .btn-ghost,.page-hero .btn-ghost{color:#fff;border-color:#fff}
.hero .btn-ghost:hover,.cta-band .btn-ghost:hover,.page-hero .btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff}

.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;
  font-weight:800;color:var(--accent-dark);margin-bottom:.4rem}
.eyebrow.light{color:var(--accent)}

/* Top bar */
.topbar{background:var(--brand-dark);color:#dfeede;font-size:.85rem}
.topbar-inner{display:flex;align-items:center;gap:1.25rem;padding:.45rem 1.25rem;flex-wrap:wrap}
.topbar a{color:#dfeede}
.topbar a:hover{color:var(--accent)}
.topbar-spacer{flex:1}

/* Header / nav */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem 1.25rem}
.brand{display:flex;align-items:center;gap:.75rem;color:var(--brand-dark)}
.brand-logo{height:58px;width:auto;background:var(--brand);border-radius:50%;padding:4px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-en{font-weight:800;font-size:1.05rem;color:var(--brand-dark)}
.brand-vi{font-size:.82rem;color:var(--accent-dark);font-style:italic}

/* Nav bar — pale yellow strip, blue links, gold active/hover */
.nav-bar{background:#fcefb4;border-top:1px solid #f3e3a0}
.main-nav{padding-left:1.25rem;padding-right:1.25rem}
.main-nav > ul{display:flex;align-items:center;justify-content:flex-end;gap:.2rem;list-style:none;margin:0;padding:.4rem 0}
.submenu{list-style:none;margin:0}
.main-nav a{display:block;padding:.55rem .95rem;border-radius:10px;color:#1565b0;font-weight:600;font-size:.97rem;white-space:nowrap}
.main-nav > ul > li > a:hover,
.main-nav > ul > li:hover > a{background:var(--accent);color:#3a2d00}
.main-nav > ul > li.active > a{background:var(--accent);color:#3a2d00}
.main-nav .nav-home{font-weight:700;margin-right:.1rem}
.main-nav .has-children{position:relative}
.submenu{position:absolute;top:100%;left:auto;right:0;background:#fafafa;box-shadow:var(--shadow);border-radius:0 0 10px 10px;
  min-width:250px;padding:.35rem;display:none;flex-direction:column;z-index:20}
.submenu a{color:#5f6368;font-weight:500;border-radius:6px;padding:.6rem .85rem}
.submenu a:hover{background:#eceff1;color:#1565b0}
.submenu a.active{background:var(--accent);color:#3a2d00}
.has-children:hover .submenu{display:flex}
.caret{font-size:.7rem;color:inherit;opacity:.8}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:.5rem}
.nav-toggle span{width:26px;height:3px;background:var(--brand-dark);border-radius:3px;transition:.2s}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);z-index:-2}
.hero-overlay{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(15,61,36,.92),rgba(27,107,58,.75))}
.hero-content{padding:6rem 1.25rem;max-width:760px}
.hero-eyebrow{display:block;color:var(--accent);font-style:italic;font-size:1.05rem;margin-bottom:.5rem}
.hero h1{color:#fff;margin:0 0 .5rem}
.hero-sub{font-size:1.25rem;color:#e9f3e6;margin:.2rem 0 1rem;font-weight:600}
.hero-text{font-size:1.05rem;color:#eaf3e6;max-width:620px}
.hero-actions{margin-top:1.75rem;display:flex;gap:.85rem;flex-wrap:wrap}
.hero-lotus{position:absolute;width:230px;opacity:.16;z-index:-1;pointer-events:none}
.hero-lotus-l{left:-50px;bottom:-40px;transform:rotate(-15deg)}
.hero-lotus-r{right:-40px;top:-50px;transform:rotate(160deg)}

/* Info strip */
.info-strip{background:var(--accent);}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;padding:1.4rem 1.25rem}
.info-card{display:flex;align-items:center;gap:.85rem;color:#3a2d00;font-size:.98rem}
.info-ico{font-size:1.8rem}

/* Two column */
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.two-col-img{position:relative}
.two-col-img img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.floating-lotus{position:absolute;width:120px;right:-20px;bottom:-30px;box-shadow:none !important;border-radius:0 !important}

/* Section heads */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}
.section-head h2{margin:0}

/* News grid */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-card-media{position:relative;display:block;aspect-ratio:16/10;background:linear-gradient(135deg,#eaf3e6,#dcecd6);overflow:hidden}
.news-card-media img{width:100%;height:100%;object-fit:cover}
.news-card-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:3rem;opacity:.5}
.pin-badge{position:absolute;top:.6rem;left:.6rem;background:var(--accent);color:#3a2d00;font-size:.72rem;font-weight:800;padding:.2rem .6rem;border-radius:999px}
.news-card-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}
.news-date{font-size:.8rem;color:var(--accent-dark);font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.news-card-body h3{font-size:1.18rem;margin:.35rem 0 .5rem}
.news-card-body h3 a{color:var(--brand-dark)}
.news-card-body p{color:var(--muted);font-size:.95rem;margin:0 0 .9rem;flex:1}
.read-more{font-weight:700;font-size:.92rem}

/* Documents */
.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-bottom:1.5rem}
.doc-card{display:flex;align-items:center;gap:.9rem;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:1rem 1.1rem;box-shadow:var(--shadow);transition:.2s;color:var(--ink)}
.doc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.doc-ico{font-size:1.9rem}
.doc-info{display:flex;flex-direction:column;flex:1;min-width:0}
.doc-info strong{color:var(--brand-dark)}
.doc-desc{font-size:.88rem;color:var(--muted)}
.doc-info small{color:var(--muted);font-size:.78rem;margin-top:.15rem}
.doc-dl{font-size:1.3rem;color:var(--brand)}
.doc-cat-head{border-bottom:2px solid var(--accent);display:inline-block;padding-bottom:.2rem;margin-top:1.5rem}
.doc-toolbar{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.doc-toolbar input[type=search]{padding:.6rem 1rem;border:1px solid var(--line);border-radius:999px;min-width:240px;font-size:1rem}
.doc-cats{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{padding:.4rem .9rem;border-radius:999px;background:var(--bg-tint);color:var(--ink);font-size:.88rem;font-weight:600}
.chip.active,.chip:hover{background:var(--brand);color:#fff}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--brand),var(--brand-light));color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:3rem 1.25rem;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0 0 .3rem}
.cta-band p{margin:0;color:#e9f3e6}

/* Page hero */
.page-hero{background:linear-gradient(120deg,var(--brand-dark),var(--brand));background-size:cover;background-position:center}
.page-hero-overlay{background:linear-gradient(120deg,rgba(15,61,36,.82),rgba(27,107,58,.6));padding:3.5rem 0}
.page-hero h1{color:#fff;margin:0}

/* Prose */
.prose{font-size:1.05rem}
.prose h2,.prose h3{margin-top:1.6rem}
.prose p{margin:0 0 1rem}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1rem}
.prose li{margin:.3rem 0}
.prose img{border-radius:12px;margin:1rem 0}
.prose a{text-decoration:underline}
.article-lead{width:100%;border-radius:var(--radius);margin-bottom:1.5rem;box-shadow:var(--shadow)}

/* Enrolment / embed */
.enrol-box{background:var(--bg-tint);border:1px solid var(--line);border-left:5px solid var(--accent);
  border-radius:12px;padding:1.6rem;margin:2rem 0}
.enrol-box h3{margin-top:0}
.embed-wrap{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:1.5rem}
.embed-wrap iframe{width:100%;height:900px;border:0;display:block}

/* Contact */
.contact-cols{align-items:start}
.contact-list{list-style:none;padding:0;margin:1.25rem 0}
.contact-list li{padding:.4rem 0;border-bottom:1px dashed var(--line)}
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:1.25rem}
.map-wrap iframe{width:100%;height:300px;border:0;display:block}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;box-shadow:var(--shadow)}
.form label{display:block;margin-bottom:1rem;font-weight:600;font-size:.92rem}
.form input,.form textarea,.form select{width:100%;padding:.65rem .8rem;border:1px solid var(--line);border-radius:8px;font-size:1rem;font-family:inherit;margin-top:.3rem}
.form input:focus,.form textarea:focus{outline:2px solid var(--brand-light);border-color:var(--brand)}
.hp{position:absolute;left:-9999px}

/* Flash */
.flash{padding:.8rem 1rem;border-radius:8px;margin-bottom:1rem;font-weight:600}
.flash-success{background:#e6f4ea;color:#1b6b3a}
.flash-error{background:#fde8e8;color:#9b1c1c}

/* Pager */
.pager{display:flex;gap:.4rem;justify-content:center;margin-top:2.5rem}
.pager a{padding:.5rem .85rem;border-radius:8px;background:var(--bg-tint);font-weight:700}
.pager a.active,.pager a:hover{background:var(--brand);color:#fff}

/* Footer */
.site-footer{color:#e9f3e6;background-color:var(--brand-dark);background-size:cover;background-position:center;margin-top:0}
.footer-overlay{background:linear-gradient(180deg,rgba(15,61,36,.93),rgba(15,61,36,.97));padding:3.5rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
.footer-logo{height:64px;background:var(--brand);border-radius:50%;padding:5px}
.footer-name{font-weight:800;margin:.8rem 0 .2rem;color:#fff}
.footer-name span{font-weight:500;font-style:italic;color:var(--accent);font-size:.9rem}
.footer-tag{color:#bcd6bf;font-size:.92rem}
.footer-col h4{color:var(--accent);margin:0 0 .8rem;font-size:1.05rem}
.footer-col p{margin:.35rem 0;font-size:.92rem;color:#d6e6d6}
.footer-col a{color:#e9f3e6}
.footer-col a:hover{color:var(--accent)}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin:.4rem 0}
.footer-col a.footer-btn{display:inline-block;margin-top:.6rem;background:var(--accent);color:#3a2d00;padding:.6rem 1.2rem;border-radius:999px;font-weight:800}
.footer-col a.footer-btn:hover{background:#fff;color:var(--brand-dark)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.15);
  margin-top:2.5rem;padding-top:1.25rem;font-size:.85rem;color:#bcd6bf;flex-wrap:wrap;gap:.5rem}
.footer-bottom a{color:#bcd6bf}

/* Responsive */
@media(max-width:900px){
  .two-col{grid-template-columns:1fr;gap:2rem}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(82vw,320px);background:#fff;box-shadow:var(--shadow-lg);
    transform:translateX(100%);transition:.25s;padding:4.5rem 1rem 1rem;overflow:auto;z-index:150}
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:.1rem}
  .main-nav a{padding:.8rem .9rem;white-space:normal}
  .submenu{position:static;display:flex;box-shadow:none;padding-left:1rem;min-width:0;background:transparent}
  .has-children:hover .submenu{display:flex}
  body.nav-open{overflow:hidden}
}
/* On small screens the top contact/portal bar wraps awkwardly — hide it.
   Phone, email and both portal links remain available in the footer. */
@media(max-width:760px){
  .topbar{display:none}
}
@media(max-width:560px){
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-en{font-size:.92rem}
  .hero-content{padding:4rem 1.25rem}
  .cta-inner{flex-direction:column;align-items:flex-start}
}