:root {
  --sd-primary: #0b3d91;
  --sd-primary-dark: #072a66;
  --sd-accent: #00b386;
  --sd-accent-soft: #e6f8f3;
  --sd-warn: #f5a623;
  --sd-ink: #1b2430;
  --sd-muted: #5b6675;
  --sd-bg: #ffffff;
  --sd-bg-alt: #f4f7fb;
  --sd-border: #e3e8ef;
  --sd-radius: 14px;
}

body {
  font-family: "Poppins", "Noto Sans Devanagari", system-ui, sans-serif;
  color: var(--sd-ink);
  background: var(--sd-bg);
}
html[data-lang="hi"] body { font-family: "Noto Sans Devanagari", "Poppins", system-ui, sans-serif; }

/* Bilingual content: show only the active language */
html[data-lang="en"] body [lang="hi"],
html[data-lang="hi"] body [lang="en"] { display: none !important; }

a { color: var(--sd-primary); }
.text-muted-sd { color: var(--sd-muted); }
.bg-alt { background: var(--sd-bg-alt); }
.section { padding: 72px 0; }
.section-title { font-weight: 700; margin-bottom: .5rem; }
.section-sub { color: var(--sd-muted); max-width: 680px; margin: 0 auto 2.5rem; }

/* Navbar */
.navbar-sd { background: #fff; border-bottom: 1px solid var(--sd-border); }
.navbar-sd .nav-link { font-weight: 500; color: var(--sd-ink); }
.navbar-sd .nav-link.active, .navbar-sd .nav-link:hover { color: var(--sd-primary); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--sd-primary), var(--sd-accent));
  color: #fff; font-weight: 700; font-size: .95rem; margin-right: .5rem;
}
.brand-text { font-weight: 700; color: var(--sd-primary); font-size: 1.25rem; }
.lang-toggle .btn { font-size: .8rem; padding: .25rem .6rem; }

.btn-sd { background: var(--sd-accent); color: #fff; border: none; font-weight: 600; }
.btn-sd:hover { background: #009970; color: #fff; }
.btn-outline-sd { border: 2px solid var(--sd-primary); color: var(--sd-primary); font-weight: 600; }
.btn-outline-sd:hover { background: var(--sd-primary); color: #fff; }

/* Demo banner */
.demo-banner { background: #fff7e6; color: #7a5200; font-size: .85rem; text-align: center; padding: 6px 12px; border-bottom: 1px solid #ffe2a8; }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 85% -10%, rgba(0,179,134,.35), transparent 60%),
              linear-gradient(135deg, var(--sd-primary-dark), var(--sd-primary));
  color: #fff; padding: 96px 0 80px;
}
.hero h1 { font-weight: 700; font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.2; }
.hero p.lead { color: rgba(255,255,255,.85); }
.page-hero { background: linear-gradient(135deg, var(--sd-primary-dark), var(--sd-primary)); color: #fff; padding: 64px 0 48px; }
.page-hero h1 { font-weight: 700; }
.page-hero p { color: rgba(255,255,255,.8); margin: 0; }

/* Phone mockup */
.phone {
  width: 280px; max-width: 100%; margin: 0 auto; background: #fff; color: var(--sd-ink);
  border-radius: 32px; padding: 18px; box-shadow: 0 30px 60px rgba(0,0,0,.3);
  border: 8px solid #10182a;
}
.phone .bal-card { background: linear-gradient(135deg, var(--sd-primary), var(--sd-accent)); color: #fff; border-radius: 16px; padding: 16px; }
.phone .bal-card .amt { font-size: 1.6rem; font-weight: 700; }
.phone .mini { font-size: .75rem; }
.phone .tx { display: flex; justify-content: space-between; font-size: .8rem; padding: 8px 0; border-bottom: 1px solid var(--sd-border); }

/* Cards */
.card-sd { border: 1px solid var(--sd-border); border-radius: var(--sd-radius); padding: 28px; height: 100%; background: #fff; transition: transform .2s, box-shadow .2s; }
.card-sd:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(11,61,145,.08); }
.icon-bubble { width: 52px; height: 52px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--sd-accent-soft); color: var(--sd-accent); font-size: 1.5rem; margin-bottom: 1rem; }
.badge-soon { background: #eef2ff; color: var(--sd-primary); font-weight: 600; }

.stat { text-align: center; }
.stat .num { font-size: 2rem; font-weight: 700; color: var(--sd-primary); }

/* Steps */
.step-num { width: 40px; height: 40px; border-radius: 50%; background: var(--sd-primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: .75rem; }

/* Plans */
.slab-card { border: 2px solid var(--sd-border); border-radius: var(--sd-radius); padding: 24px; text-align: center; height: 100%; background: #fff; }
.slab-card.featured { border-color: var(--sd-accent); box-shadow: 0 14px 30px rgba(0,179,134,.15); }
.slab-card .rate { font-size: 2.2rem; font-weight: 700; color: var(--sd-accent); }
.slab-card .range { font-weight: 600; color: var(--sd-primary); }
.calc-box { background: #fff; border: 1px solid var(--sd-border); border-radius: var(--sd-radius); padding: 28px; }
.calc-result { background: var(--sd-accent-soft); border-radius: 12px; padding: 16px; }
.level-bar { height: 10px; border-radius: 6px; background: linear-gradient(90deg, var(--sd-primary), var(--sd-accent)); }
.disclaimer { background: #fff7e6; border: 1px solid #ffe2a8; border-radius: 12px; padding: 16px 20px; font-size: .9rem; color: #6b4a00; }

/* Contact */
.contact-item { display: flex; gap: 14px; margin-bottom: 20px; }
.contact-item i { font-size: 1.4rem; color: var(--sd-accent); }

/* CTA */
.cta { background: linear-gradient(135deg, var(--sd-primary), var(--sd-accent)); color: #fff; border-radius: 20px; padding: 48px; }

/* Footer */
.footer { background: #0a1630; color: rgba(255,255,255,.75); padding: 56px 0 24px; font-size: .92rem; }
.footer a { color: rgba(255,255,255,.75); text-decoration: none; }
.footer a:hover { color: #fff; }
.footer h6 { color: #fff; font-weight: 600; margin-bottom: 1rem; }
.footer .legal { border-top: 1px solid rgba(255,255,255,.1); margin-top: 32px; padding-top: 20px; font-size: .8rem; }

.whatsapp-fab { position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; box-shadow: 0 8px 20px rgba(0,0,0,.2); z-index: 1000; text-decoration: none; }
.whatsapp-fab:hover { color: #fff; transform: scale(1.05); }

@media (max-width: 575.98px) {
  .section { padding: 48px 0; }
  .cta { padding: 28px; }
  .hero { padding: 64px 0 56px; }
}