*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #9d0022;
  --primary-dark: #7a0019;
  --primary-light: #c0002a;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --green: #16a34a;
  --red: #dc2626;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 10px 32px rgba(0,0,0,0.15);
  --radius: 10px;
  --radius-lg: 16px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--gray-800); background: var(--white); line-height: 1.6; }

/* ─── NAVBAR ─── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(26,76,142,0.12);
  transition: box-shadow 0.3s;
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 70px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo img { height: 48px; object-fit: contain; }
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-text .school-name { font-size: 15px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.nav-logo-text .campus-name { font-size: 12px; font-weight: 500; color: var(--accent-dark); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: block; padding: 8px 12px;
  font-size: 13.5px; font-weight: 500; color: var(--gray-700);
  text-decoration: none; border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--primary); background: var(--gray-100); }

.nav-cta {
  background: var(--primary); color: var(--white) !important;
  padding: 8px 18px !important; border-radius: 6px !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; color: var(--white) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: 0.3s; }

/* ─── HERO ─── */
#hero {
  padding-top: 70px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 80px 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-content { color: var(--white); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.15); color: var(--white);
  padding: 6px 14px; border-radius: 50px; font-size: 13px; font-weight: 500;
  margin-bottom: 20px; backdrop-filter: blur(8px);
}
.hero-title {
  font-size: clamp(28px, 4vw, 48px); font-weight: 800; line-height: 1.2;
  margin-bottom: 20px; letter-spacing: -0.5px;
}
.hero-title span { color: var(--accent); }
.hero-subtitle { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 32px; max-width: 480px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-block; padding: 14px 28px;
  background: var(--accent); color: var(--gray-800);
  font-weight: 700; font-size: 14px; border-radius: 8px;
  text-decoration: none; transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.5); }
.btn-outline {
  display: inline-block; padding: 14px 28px;
  background: rgba(255,255,255,0.15); color: var(--white);
  font-weight: 600; font-size: 14px; border-radius: 8px;
  text-decoration: none; border: 2px solid rgba(255,255,255,0.4);
  transition: background 0.2s; backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,0.25); }

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 40px;
}
.stat-card {
  background: rgba(255,255,255,0.12); border-radius: var(--radius);
  padding: 20px; text-align: center; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
}
.stat-number { font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.8); margin-top: 4px; }

.hero-image-box {
  background: rgba(255,255,255,0.1); border-radius: var(--radius-lg);
  padding: 32px; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; flex-direction: column; gap: 16px;
}
.hero-feature {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,0.1); border-radius: var(--radius);
  padding: 16px; color: var(--white);
}
.hero-feature-icon { font-size: 28px; flex-shrink: 0; }
.hero-feature-text strong { display: block; font-size: 15px; font-weight: 600; }
.hero-feature-text span { font-size: 13px; color: rgba(255,255,255,0.75); }

/* ─── SECTIONS ─── */
section { padding: 80px 24px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag {
  display: inline-block; background: rgba(26,76,142,0.1); color: var(--primary);
  font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 14px; border-radius: 50px; margin-bottom: 12px;
}
.section-title { font-size: clamp(24px, 3vw, 36px); font-weight: 800; color: var(--gray-800); margin-bottom: 14px; }
.section-subtitle { font-size: 16px; color: var(--gray-600); max-width: 600px; margin: 0 auto; }

/* ─── ABOUT ─── */
#about { background: var(--gray-50); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: var(--gray-600); margin-bottom: 16px; font-size: 15px; }
.about-features { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.about-feature {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--white); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow-sm);
}
.check-icon { color: var(--green); font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.about-feature-text strong { display: block; font-size: 14px; font-weight: 600; color: var(--gray-800); }
.about-feature-text span { font-size: 13px; color: var(--gray-600); }
.about-highlight-card {
  background: var(--primary); color: var(--white);
  border-radius: var(--radius-lg); padding: 36px;
  display: flex; flex-direction: column; gap: 24px;
}
.about-highlight-card h3 { font-size: 22px; font-weight: 700; }
.about-highlight-card p { font-size: 14px; color: rgba(255,255,255,0.85); line-height: 1.7; }
.about-nums { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-num { text-align: center; background: rgba(255,255,255,0.12); border-radius: 8px; padding: 16px; }
.about-num .n { font-size: 28px; font-weight: 800; color: var(--accent); }
.about-num .l { font-size: 12px; color: rgba(255,255,255,0.8); margin-top: 2px; }

/* ─── FACILITIES ─── */
#facilities { background: var(--white); }
.facilities-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.facility-card {
  background: var(--gray-50); border-radius: var(--radius);
  padding: 24px 20px; text-align: center;
  border: 1px solid var(--gray-200);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.facility-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.facility-icon { font-size: 36px; margin-bottom: 12px; }
.facility-count { font-size: 28px; font-weight: 800; color: var(--primary); line-height: 1; }
.facility-name { font-size: 14px; font-weight: 600; color: var(--gray-700); margin-top: 6px; }
.facility-desc { font-size: 12px; color: var(--gray-600); margin-top: 4px; }

/* ─── ACADEMICS ─── */
#academics { background: var(--gray-50); }
.academics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.class-cards { display: flex; flex-direction: column; gap: 14px; }
.class-card {
  background: var(--white); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: 16px;
  border-left: 4px solid var(--primary);
}
.class-icon { font-size: 28px; }
.class-info strong { display: block; font-size: 15px; font-weight: 600; color: var(--gray-800); }
.class-info span { font-size: 13px; color: var(--gray-600); }

.timings-section { display: flex; flex-direction: column; gap: 20px; }
.timings-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.timings-card-header {
  background: var(--primary); color: var(--white);
  padding: 14px 20px; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--gray-100); color: var(--gray-700);
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
  padding: 10px 16px; text-align: left;
}
td { padding: 10px 16px; font-size: 13.5px; color: var(--gray-700); border-top: 1px solid var(--gray-100); }
tr:hover td { background: var(--gray-50); }

/* ─── PRINCIPAL ─── */
#principal { background: var(--white); }
.principal-grid { display: grid; grid-template-columns: 300px 1fr; gap: 60px; align-items: start; }
.principal-card {
  background: var(--gray-50); border-radius: var(--radius-lg);
  padding: 32px; text-align: center; border: 1px solid var(--gray-200);
  position: sticky; top: 90px;
}
.principal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; margin: 0 auto 16px;
}
.principal-name { font-size: 20px; font-weight: 700; color: var(--gray-800); }
.principal-title { font-size: 13px; color: var(--primary); font-weight: 600; margin-top: 4px; }
.principal-exp { font-size: 13px; color: var(--gray-600); margin-top: 8px; }
.principal-message { display: flex; flex-direction: column; gap: 20px; }
.principal-message blockquote {
  font-size: 20px; font-weight: 700; color: var(--primary);
  border-left: 4px solid var(--accent); padding-left: 20px;
  font-style: italic; line-height: 1.5;
}
.principal-message p { color: var(--gray-600); font-size: 15px; line-height: 1.8; }

/* ─── CAMPUS LIFE ─── */
#campus-life { background: var(--gray-50); }
.campus-life-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.campus-life-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform 0.2s, box-shadow 0.2s;
}
.campus-life-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.campus-life-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 24px; text-align: center;
}
.campus-life-emoji { font-size: 40px; }
.campus-life-body { padding: 20px; }
.campus-life-body h3 { font-size: 16px; font-weight: 700; color: var(--gray-800); margin-bottom: 8px; }
.campus-life-body p { font-size: 13px; color: var(--gray-600); line-height: 1.6; }

/* ─── MANDATORY DISCLOSURE ─── */
#mandatory-disclosure { background: var(--white); }
.disclosure-tabs {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px;
}
.tab-btn {
  padding: 10px 20px; border-radius: 8px; border: 2px solid var(--gray-200);
  background: var(--white); color: var(--gray-700);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all 0.2s;
}
.tab-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.tab-btn:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }
.disclosure-table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.disclosure-table-wrap table { background: var(--white); }
.disclosure-table-wrap th { background: var(--primary); color: var(--white); font-size: 13px; text-transform: none; }
.disclosure-table-wrap td a { color: var(--primary); text-decoration: none; }
.disclosure-table-wrap td a:hover { text-decoration: underline; }
.sl { font-weight: 700; color: var(--gray-400); width: 50px; }

/* ─── CONTACT ─── */
#contact { background: var(--gray-50); }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 40px; max-width: 700px; }
.contact-cards { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: var(--white); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm);
  display: flex; align-items: flex-start; gap: 16px;
  border: 1px solid var(--gray-200);
}
.contact-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: rgba(26,76,142,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.contact-info strong { display: block; font-size: 14px; font-weight: 700; color: var(--gray-800); margin-bottom: 4px; }
.contact-info a { color: var(--primary); text-decoration: none; font-size: 14px; }
.contact-info a:hover { text-decoration: underline; }
.contact-info span { color: var(--gray-600); font-size: 14px; }

.contact-form-box {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 36px; box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
}
.contact-form-box h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; color: var(--gray-800); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--gray-200); border-radius: 8px;
  font-family: inherit; font-size: 14px; color: var(--gray-800);
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%; padding: 14px;
  background: var(--primary); color: var(--white);
  border: none; border-radius: 8px;
  font-family: inherit; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: background 0.2s, transform 0.2s;
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* ─── FOOTER ─── */
footer {
  background: var(--gray-800); color: rgba(255,255,255,0.8);
  padding: 48px 24px 24px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .logo-wrap img { height: 44px; object-fit: contain; }
.footer-brand .logo-wrap span { font-size: 16px; font-weight: 700; color: var(--white); }
.footer-brand p { font-size: 13.5px; line-height: 1.7; max-width: 320px; }
.footer-cbse { margin-top: 12px; font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-col h4 { color: var(--white); font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 13.5px; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px; display: flex;
  justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; }
.footer-bottom a { color: rgba(255,255,255,0.7); text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }

/* ─── MOBILE ─── */
@media (max-width: 900px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--white); padding: 16px 24px; box-shadow: var(--shadow-md); gap: 4px; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .academics-grid, .principal-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .principal-card { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 640px) {
  section { padding: 56px 16px; }
  .hero-inner { padding: 56px 16px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .facilities-grid { grid-template-columns: 1fr 1fr; }
  .campus-life-grid { grid-template-columns: 1fr; }
}

/* ─── BACK TO TOP ─── */
.back-top {
  position: fixed; bottom: 92px; right: 28px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: var(--shadow-md);
  cursor: pointer; border: none; opacity: 0; transition: opacity 0.3s;
}
.back-top.visible { opacity: 1; }