:root {
  --blue-900: #06255e;
  --blue-700: #0b3d91;
  --blue-600: #0d4fb5;
  --orange-500: #f0631c;
  --orange-600: #d94e0c;
  --ink: #16202c;
  --muted: #5b6b7c;
  --paper: #ffffff;
  --paper-alt: #f4f7fb;
  --line: #e3e9f1;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(6, 37, 94, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Topbar */
.topbar { background: var(--blue-900); color: #cfe0ff; font-size: 0.85rem; }
.topbar-inner {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  padding: 8px 24px; justify-content: flex-end;
}
.topbar-item a:hover { color: var(--orange-500); }

/* Navbar */
.navbar { background: var(--paper); box-shadow: 0 2px 12px rgba(6,37,94,0.06); position: sticky; top: 0; z-index: 50; }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 700; color: var(--blue-900); }
.brand-mark { font-size: 1.5rem; }
.brand-text em { font-style: normal; color: var(--orange-500); }
.nav-links { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; align-items: center; }
.nav-links a { font-weight: 600; color: var(--blue-900); }
.nav-links a:hover { color: var(--orange-500); }
.nav-cta { background: var(--orange-500); color: #fff !important; padding: 10px 20px; border-radius: 999px; }
.nav-cta:hover { background: var(--orange-600); color: #fff !important; }
.nav-toggle, .nav-burger { display: none; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--blue-900), var(--blue-700)); color: #fff; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 40px; padding: 80px 24px; }
.eyebrow { display: inline-block; background: rgba(240,99,28,0.18); color: #ffb27a; padding: 6px 14px; border-radius: 999px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 18px; }
.hero p { color: #d7e2f7; font-size: 1.05rem; max-width: 46ch; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 26px; border-radius: 999px; font-weight: 700; transition: transform .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange-500); color: #fff; }
.btn-primary:hover { background: var(--orange-600); color: #fff; }
.btn-ghost { border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }

.hero-art { display: flex; justify-content: center; }
.cylinder { width: 150px; }
.cylinder-cap { width: 60px; height: 26px; background: #dfe6ef; margin: 0 auto -6px; border-radius: 8px 8px 0 0; }
.cylinder-body {
  width: 150px; height: 210px; border-radius: 40px;
  background: linear-gradient(160deg, #ff8a4c, var(--orange-500) 55%, var(--orange-600));
  box-shadow: var(--shadow);
  display: flex; align-items: flex-start; justify-content: center; padding-top: 18px;
  font-size: 2.4rem;
}

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: var(--paper-alt); }
.section-tag { display: inline-block; color: var(--orange-500); font-weight: 700; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.06em; margin-bottom: 10px; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
h2 { font-size: 2rem; color: var(--blue-900); margin: 0 0 14px; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.about-text p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 28px; color: var(--ink); font-weight: 500; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: #1a9c5b; font-weight: 800; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; box-shadow: var(--shadow); }
.stat-num { display: block; font-size: 1.8rem; font-weight: 800; color: var(--blue-700); }
.stat-label { color: var(--muted); font-size: 0.9rem; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); transition: transform .15s ease; }
.card:hover { transform: translateY(-4px); }
.card-icon { font-size: 1.8rem; margin-bottom: 14px; }
.card h3 { margin: 0 0 10px; color: var(--blue-900); font-size: 1.1rem; }
.card p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* Safety */
.safety-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; }
.safety p { color: var(--muted); }
.safety-list { display: grid; gap: 14px; }
.safety-item { display: flex; align-items: flex-start; gap: 14px; background: var(--paper-alt); border-radius: 12px; padding: 16px 18px; font-weight: 500; }
.safety-item span { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--orange-500); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.9rem; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature { text-align: center; }
.feature-icon { font-size: 1.8rem; margin-bottom: 10px; }
.feature h4 { margin: 0 0 8px; color: var(--blue-900); }
.feature p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* CSC locator */
.csc .section-head h2 { display: flex; flex-direction: column; gap: 4px; }
.csc .hindi { font-size: 1.1rem; color: var(--muted); font-weight: 500; }
.csc-search {
  display: flex; gap: 12px; max-width: 620px; margin: 0 auto 48px;
  background: var(--paper-alt); padding: 10px; border-radius: 999px; border: 1px solid var(--line);
}
.csc-search input {
  flex: 1; border: none; background: transparent; padding: 10px 16px; font-size: 0.95rem; font-family: inherit;
}
.csc-search input:focus { outline: none; }
.csc-grid .card p { margin: 4px 0; }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; margin-top: 10px; border-color: var(--blue-700); color: var(--blue-700); }
.btn-sm:hover { background: var(--blue-700); color: #fff; }
.csc-note { text-align: center; margin-top: 8px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info p { color: var(--muted); }
.contact-detail { padding: 10px 0; border-bottom: 1px solid var(--line); }
.contact-detail a:hover { color: var(--orange-500); }
.contact-form { background: var(--paper-alt); border-radius: var(--radius); padding: 32px; }
.contact-form h3 { margin-top: 0; color: var(--blue-900); }
.contact-form label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 14px; color: var(--ink); }
.contact-form input, .contact-form textarea {
  width: 100%; margin-top: 6px; padding: 11px 14px; border-radius: 8px;
  border: 1px solid var(--line); font-family: inherit; font-size: 0.95rem;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--blue-600); }
.form-note { font-size: 0.78rem; color: var(--muted); font-weight: 400; }

/* Footer */
.footer { background: var(--blue-900); color: #b9c9e6; padding: 44px 0 24px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand { font-size: 1.15rem; font-weight: 700; color: #fff; }
.footer-brand em { font-style: normal; color: var(--orange-500); }
.footer-brand p { margin: 4px 0 0; font-size: 0.85rem; color: #9db2da; font-weight: 400; }
.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: #fff; }
.footer-copy { text-align: center; font-size: 0.82rem; margin-top: 18px; color: #8ba0c9; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .about-grid, .safety-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .topbar-inner { justify-content: center; text-align: center; }
  .nav-burger { display: block; font-size: 1.5rem; cursor: pointer; color: var(--blue-900); }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); flex-direction: column; padding: 20px 24px; gap: 16px;
    box-shadow: var(--shadow);
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .navbar-inner { position: relative; flex-wrap: wrap; }
  .hero h1 { font-size: 2rem; }
  .card-grid, .feature-grid { grid-template-columns: 1fr; }
}