/* =====================================================================
   MAMRAJ GOVT. GIRLS HIGHER SECONDARY SCHOOL — modern design system
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700;800&display=swap');

:root{
  --brand:        #15336b;
  --brand-2:      #1e478f;
  --brand-dark:   #0b1f45;
  --accent:       #f5a524;
  --accent-2:     #e0892f;
  --ink:          #15203a;
  --body:         #46506a;
  --muted:        #8a93a8;
  --line:         #e7ebf3;
  --bg:           #f5f7fc;
  --card:         #ffffff;
  --radius:       18px;
  --radius-sm:    12px;
  --shadow:       0 10px 30px rgba(16,32,72,.08);
  --shadow-lg:    0 24px 60px rgba(16,32,72,.18);
  --maxw:         1180px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
  font-family: 'Poppins', sans-serif;
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .5em;
}

a{ color: var(--brand-2); text-decoration: none; }
img{ display: block; max-width: 100%; }

.container{
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

.section{ padding: 76px 0; }
.section--tight{ padding: 48px 0; }

.eyebrow{
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}

.section-title{ font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 700; }
.section-sub{ max-width: 640px; margin: 14px auto 0; color: var(--body); }
.text-center{ text-align: center; }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; gap: 9px;
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: .95rem;
  padding: 13px 26px; border-radius: 999px; border: 0; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary{ background: var(--accent); color: #2a1a00; box-shadow: 0 12px 26px rgba(245,165,36,.35); }
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 16px 34px rgba(245,165,36,.45); color:#2a1a00; }
.btn-ghost{ background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.5); }
.btn-ghost:hover{ background: rgba(255,255,255,.24); transform: translateY(-2px); color:#fff; }
.btn-outline{ background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }
.btn-outline:hover{ background: var(--brand); color: #fff; }

/* =====================================================================
   NAVBAR
   ===================================================================== */
.nav{
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.nav.scrolled{ box-shadow: 0 8px 24px rgba(16,32,72,.10); }
.nav__inner{
  max-width: var(--maxw); margin: 0 auto; padding: 12px 22px;
  display: flex; align-items: center; gap: 16px;
}
.brand{ display: flex; align-items: center; gap: 13px; min-width: 0; }
.brand img{ height: 50px; width: 50px; border-radius: 50%; object-fit: cover; box-shadow: var(--shadow); }
.brand__txt{ display: flex; flex-direction: column; min-width: 0; }
.brand__name{
  font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--brand);
  font-size: .98rem; line-height: 1.15; letter-spacing: .01em;
}
.brand__sub{ font-size: .72rem; color: var(--muted); }

.nav__links{ margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav__links a{
  font-family: 'Poppins', sans-serif; font-weight: 500; font-size: .94rem;
  color: var(--ink); padding: 9px 15px; border-radius: 10px; transition: .15s;
}
.nav__links a:hover{ color: var(--brand-2); background: #eef2fb; }
.nav__links a.active{ color: var(--brand); background: #e9eefb; }
.nav__links .btn{ padding: 10px 20px; font-size: .9rem; margin-left: 8px; }

.nav__toggle{
  display: none; margin-left: auto; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; border-radius: 10px; color: var(--brand);
}
.nav__toggle svg{ width: 26px; height: 26px; }

@media (max-width: 900px){
  .nav__toggle{ display: inline-flex; align-items: center; justify-content: center; }
  .nav__links{
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 16px 18px; box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .2s;
  }
  .nav__links.open{ transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__links a{ padding: 12px 14px; }
  .nav__links .btn{ margin: 6px 0 0; justify-content: center; }
}
@media (max-width: 420px){
  .brand__name{ font-size: .82rem; }
}

/* =====================================================================
   HERO
   ===================================================================== */
.hero{
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(120deg, var(--brand-dark), var(--brand-2));
}
.hero__bg{
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: .28; transform: scale(1.05);
}
.hero::after{
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11,31,69,.92), rgba(21,51,107,.72));
}
.hero__inner{ position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 92px 22px 104px; }
.hero__badge{
  display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; font-weight: 600;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.28);
  padding: 7px 15px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1{
  color: #fff; font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800;
  max-width: 16ch; margin-bottom: 18px;
}
.hero p{ font-size: clamp(1rem, 2vw, 1.18rem); max-width: 56ch; color: rgba(255,255,255,.9); margin-bottom: 32px; }
.hero__cta{ display: flex; flex-wrap: wrap; gap: 14px; }
.hero__stats{ display: flex; flex-wrap: wrap; gap: 38px; margin-top: 54px; }
.hero__stat b{ display: block; font-family: 'Poppins'; font-size: 1.9rem; font-weight: 700; color: var(--accent); }
.hero__stat span{ font-size: .9rem; color: rgba(255,255,255,.82); }

/* =====================================================================
   CARDS / GRID
   ===================================================================== */
.grid{ display: grid; gap: 24px; }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px){ .grid-3,.grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .grid-2,.grid-3,.grid-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card__icon{
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, #eef2fb, #dfe7fb); color: var(--brand); margin-bottom: 16px;
}
.card__icon svg{ width: 26px; height: 26px; }
.card h3{ font-size: 1.18rem; }
.card p{ margin: 0; font-size: .96rem; }

/* feature card link */
.feature{ display: flex; flex-direction: column; }
.feature .link{ margin-top: auto; padding-top: 14px; font-weight: 600; font-family:'Poppins'; color: var(--brand-2); }

/* ---------- About / split ---------- */
.split{ display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
@media (max-width: 860px){ .split{ grid-template-columns: 1fr; gap: 30px; } }
.split img{ border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; height: 100%; max-height: 440px; object-fit: cover; }

/* =====================================================================
   GALLERY — category cards
   ===================================================================== */
.cat-card{
  position: relative; border-radius: var(--radius); overflow: hidden; display: block;
  box-shadow: var(--shadow); aspect-ratio: 4/3; background: #d9e0ee;
}
.cat-card img{ width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.cat-card:hover img{ transform: scale(1.08); }
.cat-card__overlay{
  position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 18px;
  background: linear-gradient(to top, rgba(11,31,69,.85), rgba(11,31,69,.05) 60%);
}
.cat-card__overlay span{ color: #fff; font-family: 'Poppins'; font-weight: 600; font-size: 1.05rem; }

/* =====================================================================
   GALLERY — sub navigation (category pills)
   ===================================================================== */
.gnav{ background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 75px; z-index: 100; }
.gnav__inner{ max-width: var(--maxw); margin: 0 auto; padding: 12px 22px; display: flex; gap: 8px; overflow-x: auto; }
.gnav__inner::-webkit-scrollbar{ height: 6px; }
.gnav__inner::-webkit-scrollbar-thumb{ background: var(--line); border-radius: 6px; }
.gnav a{
  flex: 0 0 auto; font-family: 'Poppins'; font-weight: 500; font-size: .85rem;
  color: var(--body); padding: 8px 16px; border-radius: 999px; background: #f1f4fb; transition: .15s;
  white-space: nowrap;
}
.gnav a:hover{ background: #e3e9f8; color: var(--brand); }
.gnav a.active{ background: var(--brand); color: #fff; }

/* ---------- page header band ---------- */
.pagehead{ background: linear-gradient(120deg, var(--brand-dark), var(--brand-2)); color: #fff; padding: 56px 0; text-align: center; }
.pagehead h1{ color: #fff; font-size: clamp(1.8rem, 4vw, 2.7rem); }
.pagehead p{ color: rgba(255,255,255,.85); margin: 6px 0 0; }

/* =====================================================================
   MASONRY PHOTO GRID + lightbox
   ===================================================================== */
.masonry{ column-count: 3; column-gap: 18px; }
@media (max-width: 1000px){ .masonry{ column-count: 2; } }
@media (max-width: 560px){ .masonry{ column-count: 1; } }
.tile{
  display: block; margin: 0 0 18px; border-radius: var(--radius-sm); overflow: hidden;
  break-inside: avoid; box-shadow: var(--shadow); cursor: zoom-in; background: #e7ecf6;
}
.tile img{ width: 100%; height: auto; transition: transform .45s ease; }
.tile:hover img{ transform: scale(1.05); }

.loading, .empty, .errmsg{ text-align: center; padding: 50px 0; color: var(--muted); font-size: 1rem; }
.errmsg{ color: #c0392b; }
.spinner{
  width: 38px; height: 38px; border-radius: 50%; margin: 0 auto 14px;
  border: 4px solid var(--line); border-top-color: var(--brand); animation: spin 1s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.lightbox{
  position: fixed; inset: 0; z-index: 1000; display: none;
  background: rgba(9,16,34,.92); align-items: center; justify-content: center;
  opacity: 0; transition: opacity .2s ease;
}
.lightbox.open{ display: flex; opacity: 1; }
.lightbox img{ max-width: 92vw; max-height: 86vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.6); }
.lb-btn{
  position: absolute; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.3);
  color: #fff; width: 52px; height: 52px; border-radius: 50%; font-size: 1.4rem; cursor: pointer;
  display: grid; place-items: center; transition: background .15s; user-select: none;
}
.lb-btn:hover{ background: rgba(255,255,255,.26); }
.lb-close{ top: 22px; right: 22px; }
.lb-prev{ left: 18px; top: 50%; transform: translateY(-50%); }
.lb-next{ right: 18px; top: 50%; transform: translateY(-50%); }
@media (max-width: 560px){ .lb-prev{ left: 8px; } .lb-next{ right: 8px; } .lb-btn{ width: 44px; height: 44px; } }

/* =====================================================================
   FACULTY cards
   ===================================================================== */
.faculty-card{ background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.faculty-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.faculty-card .photo{ aspect-ratio: 1/1; background: #e7ecf6; overflow: hidden; }
.faculty-card .photo img{ width: 100%; height: 100%; object-fit: cover; }
.faculty-card .info{ padding: 16px 18px 20px; text-align: center; }
.faculty-card .info b{ font-family: 'Poppins'; color: var(--ink); font-size: 1.02rem; display: block; }
.faculty-card .info span{ font-size: .88rem; color: var(--accent-2); font-weight: 600; }

.principal{ display: grid; grid-template-columns: 280px 1fr; gap: 36px; align-items: center; }
@media (max-width: 700px){ .principal{ grid-template-columns: 1fr; text-align: center; } }
.principal .photo{ width: 100%; max-width: 280px; aspect-ratio: 3/4; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); margin: 0 auto; }
.principal .photo img{ width: 100%; height: 100%; object-fit: cover; }

/* =====================================================================
   COURSES
   ===================================================================== */
.subject-chip{
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 18px 20px; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .18s; font-weight: 600; color: var(--ink); font-family:'Poppins';
}
.subject-chip:hover{ transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.subject-chip .dot{ width: 12px; height: 12px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }

/* =====================================================================
   CONTACT
   ===================================================================== */
.contact-card{ display: flex; gap: 16px; }
.contact-card .ci{ width: 50px; height: 50px; flex: 0 0 auto; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg,#eef2fb,#dfe7fb); color: var(--brand); }
.contact-card .ci svg{ width: 24px; height: 24px; }
.contact-card h3{ font-size: 1.05rem; margin-bottom: 4px; }
.contact-card a{ color: var(--body); }
.contact-card a:hover{ color: var(--brand-2); }
.map-wrap{ border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.map-wrap iframe{ width: 100%; height: 360px; border: 0; display: block; }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer{ background: var(--brand-dark); color: rgba(255,255,255,.78); margin-top: 20px; }
.footer__top{ max-width: var(--maxw); margin: 0 auto; padding: 60px 22px 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 38px; }
@media (max-width: 860px){ .footer__top{ grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 520px){ .footer__top{ grid-template-columns: 1fr; } }
.footer h4{ color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer__brand{ display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer__brand img{ height: 46px; width: 46px; border-radius: 50%; object-fit: cover; }
.footer__brand b{ color: #fff; font-family:'Poppins'; font-size: .95rem; line-height: 1.2; }
.footer ul{ list-style: none; margin: 0; padding: 0; }
.footer ul li{ margin-bottom: 10px; }
.footer a{ color: rgba(255,255,255,.78); font-size: .92rem; }
.footer a:hover{ color: var(--accent); }
.footer__bottom{ border-top: 1px solid rgba(255,255,255,.12); }
.footer__bottom div{ max-width: var(--maxw); margin: 0 auto; padding: 20px 22px; font-size: .85rem; text-align: center; color: rgba(255,255,255,.6); }

/* utility */
.lead{ font-size: 1.05rem; }
.mt-0{ margin-top: 0; }