/* ============================================================
   হালদিয়া সরকারি এম.এল. উচ্চ বিদ্যালয় — মূল স্টাইলশিট
   স্ট্যাটিক টেমপ্লেট (পরে PHP দিয়ে ডাইনামিক করার উপযোগী)
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root{
  --green:#0f4032;          /* প্রতিষ্ঠানের মূল রং */
  --green-deep:#0a2e24;
  --green-soft:#16513f;
  --cream:#f7f3e8;          /* পৃষ্ঠার ব্যাকগ্রাউন্ড (কাগজের মত) */
  --paper:#fffdf7;          /* কার্ডের ব্যাকগ্রাউন্ড */
  --brass:#c2953d;          /* সোনালি অ্যাকসেন্ট */
  --brass-light:#e0b868;
  --maroon:#8a2b22;         /* জরুরি / নোটিশ */
  --ink:#1a2420;            /* মূল লেখা */
  --muted:#5c6b63;          /* হালকা লেখা */
  --line:#d8d0bc;           /* বর্ডার */
  --shadow:0 1px 3px rgba(15,64,50,.08),0 8px 24px rgba(15,64,50,.06);
  --shadow-lg:0 12px 40px rgba(15,64,50,.14);
  --radius:14px;
  --radius-sm:8px;
  --maxw:1180px;
  --header-h:78px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Hind Siliguri',system-ui,sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

h1,h2,h3,h4,.display{font-family:'Tiro Bangla',serif;font-weight:400;line-height:1.3;color:var(--green-deep)}

/* ---------- Layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:74px 0}
.section--tight{padding:48px 0}
.grid{display:grid;gap:26px}
.center{text-align:center}

.eyebrow{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--brass);font-weight:600;font-family:'Hind Siliguri',sans-serif;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brass)}

.section-title{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:14px}
.section-lead{color:var(--muted);max-width:620px;font-size:1.02rem}
.section-head.center .section-lead{margin-inline:auto}
.section-head{margin-bottom:42px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-sm);font-weight:600;
  font-size:.97rem;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;
  border:1.5px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--green);color:#fff;box-shadow:var(--shadow)}
.btn--primary:hover{background:var(--green-soft);box-shadow:var(--shadow-lg)}
.btn--gold{background:var(--brass);color:#3a2a08}
.btn--gold:hover{background:var(--brass-light)}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{border-color:var(--green);color:var(--green)}
.btn--outline:hover{background:var(--green);color:#fff}

/* ============================================================
   টপ ইউটিলিটি বার
   ============================================================ */
.topbar{background:var(--green-deep);color:#d9e6df;font-size:.86rem}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;flex-wrap:wrap}
.topbar a{color:#d9e6df;transition:color .2s}
.topbar a:hover{color:var(--brass-light)}
.topbar-info{display:flex;gap:20px;flex-wrap:wrap}
.topbar-info span{display:inline-flex;align-items:center;gap:7px}
.topbar-links{display:flex;gap:18px;align-items:center}
.topbar-links a{font-weight:600}
.topbar svg{width:15px;height:15px;flex:none;opacity:.85}

/* ============================================================
   হেডার + নেভিগেশন
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,253,247,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:14px}
.brand .crest{width:52px;height:52px;flex:none}
.brand-text strong{display:block;font-family:'Tiro Bangla',serif;font-size:1.18rem;color:var(--green-deep);line-height:1.25}
.brand-text small{display:block;color:var(--muted);font-size:.78rem;letter-spacing:.02em}

.nav{display:flex;align-items:center;gap:4px}
.nav a{
  padding:9px 14px;border-radius:7px;font-weight:600;font-size:.95rem;color:var(--ink);
  transition:background .18s,color .18s;position:relative;
}
.nav a:hover{background:rgba(15,64,50,.07);color:var(--green)}
.nav a.active{color:var(--green)}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brass);border-radius:2px;
}

.nav-toggle{display:none;width:46px;height:46px;border-radius:8px;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:22px;height:2px;background:var(--green-deep);
  border-radius:2px;transition:transform .25s,opacity .2s;position:relative;
}
.nav-toggle span::before{position:absolute;top:-7px}
.nav-toggle span::after{position:absolute;top:7px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   নোটিশ টিকার
   ============================================================ */
.ticker{background:var(--maroon);color:#fff;display:flex;align-items:stretch;overflow:hidden}
.ticker-label{
  background:var(--green-deep);padding:9px 18px;font-weight:700;font-size:.9rem;
  display:flex;align-items:center;gap:8px;flex:none;white-space:nowrap;
}
.ticker-label svg{width:16px;height:16px}
.ticker-track{overflow:hidden;flex:1;display:flex;align-items:center}
.ticker-move{display:inline-flex;gap:48px;white-space:nowrap;padding-left:100%;animation:ticker 28s linear infinite}
.ticker-move a{font-size:.92rem;display:inline-flex;align-items:center;gap:8px}
.ticker-move a::before{content:"●";color:var(--brass-light);font-size:.6rem}
.ticker:hover .ticker-move{animation-play-state:paused}
@keyframes ticker{to{transform:translateX(-100%)}}

/* ============================================================
   হিরো
   ============================================================ */
.hero{
  position:relative;color:#eaf3ee;overflow:hidden;
  background:
    radial-gradient(120% 120% at 80% -10%,rgba(194,149,61,.22),transparent 55%),
    linear-gradient(160deg,var(--green-deep),var(--green) 60%,var(--green-soft));
}
.hero::after{ /* সূক্ষ্ম প্যাটার্ন */
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(circle,#fff 1px,transparent 1px);
  background-size:26px 26px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .9fr;gap:50px;align-items:center;padding:72px 0 84px}
.hero-est{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass-light);font-weight:600;margin-bottom:18px}
.hero-est::before,.hero-est::after{content:"";width:24px;height:1px;background:var(--brass)}
.hero h1{color:#fff;font-size:clamp(2.1rem,5vw,3.5rem);margin-bottom:18px}
.hero p{font-size:1.1rem;color:#cfe0d8;max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-crest{display:flex;justify-content:center}
.hero-crest .crest{width:260px;height:260px;filter:drop-shadow(0 18px 40px rgba(0,0,0,.35))}

.hero-stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats div{padding:22px 16px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.hero-stats div:last-child{border-right:none}
.hero-stats b{display:block;font-family:'Tiro Bangla',serif;font-size:2rem;color:var(--brass-light)}
.hero-stats span{font-size:.9rem;color:#cfe0d8}

/* ============================================================
   কার্ড ও সাধারণ ব্লক
   ============================================================ */
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ico{
  width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(15,64,50,.08);color:var(--green);margin-bottom:16px;
}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:1.22rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}

/* কুইক অ্যাকসেস (হোম) */
.quick{grid-template-columns:repeat(4,1fr)}
.quick a{
  display:flex;flex-direction:column;gap:10px;align-items:flex-start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s;
}
.quick a:hover{transform:translateY(-4px);border-color:var(--brass)}
.quick .ico{margin:0}
.quick strong{font-family:'Tiro Bangla',serif;font-size:1.15rem;color:var(--green-deep)}
.quick small{color:var(--muted)}

/* ============================================================
   প্রধান শিক্ষকের বাণী
   ============================================================ */
.principal{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:center}
.principal-photo{
  aspect-ratio:3/3.5;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(160deg,var(--green-soft),var(--green-deep));
  display:flex;align-items:flex-end;justify-content:center;position:relative;border:4px solid var(--paper);
  box-shadow:var(--shadow-lg);
}
.principal-photo svg{width:62%;opacity:.45;margin-bottom:-2px}
.principal-photo .tag{position:absolute;left:0;right:0;bottom:0;background:rgba(10,46,36,.85);color:#fff;padding:12px 16px;text-align:center}
.principal-photo .tag b{display:block;font-family:'Tiro Bangla',serif}
.principal-photo .tag span{font-size:.85rem;color:#bcd}
.principal blockquote{font-family:'Tiro Bangla',serif;font-size:1.3rem;color:var(--green-deep);line-height:1.6;margin-bottom:18px;position:relative;padding-left:22px;border-left:3px solid var(--brass)}
.principal .msg-rest{color:var(--muted)}

/* ============================================================
   নোটিশ বোর্ড
   ============================================================ */
.notice-list{display:flex;flex-direction:column;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.notice-item{display:flex;gap:18px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line);transition:background .18s}
.notice-item:last-child{border-bottom:none}
.notice-item:hover{background:rgba(15,64,50,.04)}
.notice-date{
  flex:none;width:62px;text-align:center;background:var(--green);color:#fff;border-radius:10px;padding:8px 4px;
}
.notice-date b{display:block;font-family:'Tiro Bangla',serif;font-size:1.4rem;line-height:1}
.notice-date span{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:#cfe0d8}
.notice-body{flex:1;min-width:0}
.notice-body h4{font-family:'Hind Siliguri',sans-serif;font-weight:600;font-size:1.02rem;color:var(--ink)}
.notice-body small{color:var(--muted)}
.notice-tag{flex:none;font-size:.72rem;font-weight:700;padding:4px 11px;border-radius:30px;letter-spacing:.02em}
.tag-urgent{background:rgba(138,43,34,.12);color:var(--maroon)}
.tag-exam{background:rgba(194,149,61,.16);color:#8a6516}
.tag-general{background:rgba(15,64,50,.1);color:var(--green)}

/* ============================================================
   শিক্ষকমণ্ডলী
   ============================================================ */
.teacher{text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;box-shadow:var(--shadow);transition:transform .2s}
.teacher:hover{transform:translateY(-4px)}
.teacher .avatar{
  width:96px;height:96px;border-radius:50%;margin:0 auto 14px;
  background:linear-gradient(160deg,var(--green-soft),var(--green-deep));
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-family:'Tiro Bangla',serif;font-size:2rem;border:3px solid var(--brass-light);
}
.teacher h4{font-family:'Hind Siliguri',sans-serif;font-weight:600;font-size:1.05rem;color:var(--ink);margin-bottom:2px}
.teacher span{color:var(--brass);font-weight:600;font-size:.9rem}
.teacher small{display:block;color:var(--muted);margin-top:4px;font-size:.85rem}

/* ============================================================
   টেবিল (একাডেমিক / রুটিন)
   ============================================================ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:var(--paper)}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--green);color:#fff;font-family:'Hind Siliguri',sans-serif;font-weight:600;font-size:.95rem}
tbody tr:nth-child(even){background:rgba(15,64,50,.03)}
tbody tr:hover{background:rgba(194,149,61,.08)}
td:first-child{font-weight:600;color:var(--green-deep)}

/* ============================================================
   গ্যালারি
   ============================================================ */
.gallery{grid-template-columns:repeat(3,1fr)}
.gallery figure{
  position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(160deg,var(--green-soft),var(--green-deep));
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);
}
.gallery figure svg{width:42%;opacity:.35}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px;color:#fff;font-size:.92rem;
  background:linear-gradient(transparent,rgba(10,46,36,.8));transition:opacity .2s;
}

/* ============================================================
   পরিসংখ্যান ব্যানার
   ============================================================ */
.stat-band{background:var(--green-deep);color:#fff}
.stat-band .grid{grid-template-columns:repeat(4,1fr);text-align:center}
.stat-band b{display:block;font-family:'Tiro Bangla',serif;font-size:2.6rem;color:var(--brass-light)}
.stat-band span{color:#cfe0d8}

/* ============================================================
   ভর্তি / CTA ব্যান্ড
   ============================================================ */
.cta-band{
  background:
    linear-gradient(120deg,rgba(194,149,61,.14),transparent),
    linear-gradient(var(--paper),var(--paper));
  border:1px solid var(--brass);border-radius:var(--radius);padding:48px;text-align:center;
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 26px}

/* ============================================================
   ভেতরের পৃষ্ঠার ব্যানার
   ============================================================ */
.page-banner{
  position:relative;color:#fff;padding:54px 0;
  background:radial-gradient(120% 140% at 90% 0,rgba(194,149,61,.2),transparent 50%),linear-gradient(150deg,var(--green-deep),var(--green-soft));
}
.page-banner h1{color:#fff;font-size:clamp(1.8rem,4vw,2.7rem)}
.breadcrumb{font-size:.88rem;color:#bcd4c9;margin-top:8px;display:flex;gap:8px;align-items:center}
.breadcrumb a:hover{color:var(--brass-light)}
.breadcrumb span{opacity:.6}

/* ---------- ফর্ম (যোগাযোগ) ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.92rem}
.field input,.field textarea,.field select{
  padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.96rem;background:var(--paper);color:var(--ink);transition:border-color .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green)}
.field textarea{resize:vertical;min-height:120px}

.info-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none}
.info-row .ico{width:42px;height:42px;border-radius:10px;background:rgba(15,64,50,.08);color:var(--green);display:flex;align-items:center;justify-content:center;flex:none}
.info-row .ico svg{width:20px;height:20px}
.info-row b{display:block;color:var(--green-deep);font-family:'Hind Siliguri',sans-serif}
.info-row span{color:var(--muted);font-size:.95rem}

.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);min-height:320px}
.map-frame iframe{width:100%;height:100%;min-height:320px;border:0;display:block}

/* ============================================================
   ফুটার
   ============================================================ */
.site-footer{background:var(--green-deep);color:#bcd4c9;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer h4{color:#fff;font-family:'Hind Siliguri',sans-serif;font-weight:600;font-size:1.05rem;margin-bottom:18px}
.footer-brand{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.footer-brand .crest{width:54px;height:54px;flex:none}
.footer-brand strong{color:#fff;font-family:'Tiro Bangla',serif;font-size:1.15rem;display:block}
.site-footer p{font-size:.92rem;line-height:1.7}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:.94rem;transition:color .2s;display:inline-flex;align-items:center;gap:8px}
.foot-links a:hover{color:var(--brass-light)}
.foot-contact li{display:flex;gap:10px;font-size:.92rem;margin-bottom:12px}
.foot-contact svg{width:17px;height:17px;flex:none;margin-top:3px;opacity:.8}
.socials{display:flex;gap:10px;margin-top:16px}
.socials a{width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background .2s}
.socials a:hover{background:var(--brass)}
.socials svg{width:18px;height:18px}
.footer-bottom{padding:20px 0;text-align:center;font-size:.86rem;color:#8fae9f}
.footer-bottom a{color:var(--brass-light)}

/* ============================================================
   রিভিল অ্যানিমেশন
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   রেসপনসিভ
   ============================================================ */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:34px;text-align:center;padding:54px 0 64px}
  .hero p{margin-inline:auto}
  .hero-actions{justify-content:center}
  .hero-crest{order:-1}
  .hero-crest .crest{width:180px;height:180px}
  .principal{grid-template-columns:1fr;text-align:center}
  .principal-photo{max-width:260px;margin:0 auto}
  .principal blockquote{text-align:left}
  .cols-4,.quick{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--paper);border-bottom:1px solid var(--line);padding:12px;gap:2px;
    transform:translateY(-130%);transition:transform .3s ease;box-shadow:var(--shadow-lg);
    max-height:calc(100vh - var(--header-h));overflow:auto;
  }
  body.nav-open .nav{transform:none}
  .nav a{padding:13px 14px;border-radius:8px}
  .nav a.active::after{display:none}
  .nav a.active{background:rgba(15,64,50,.07)}
  .topbar-info{display:none}
  .topbar .wrap{justify-content:center}
  .cols-3,.cols-2,.gallery,.cols-4,.quick{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stats div:nth-child(2){border-right:none}
  .stat-band .grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .section{padding:54px 0}
  .cta-band{padding:34px 22px}
}
@media(max-width:420px){
  .brand-text small{display:none}
  .hero-stats{grid-template-columns:1fr}
}

/* ---------- অ্যাকসেসিবিলিটি ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2.5px solid var(--brass);outline-offset:2px;border-radius:4px;
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .ticker-move{animation:none;padding-left:0}
}