:root {
  --primary: #0f4c81;
  --primary-dark: #0a3860;
  --accent: #14b8a6;
  --ink: #0f172a;
  --muted: #5b6b7c;
  --bg: #f7f9fb;
  --card: #ffffff;
  --border: #e4e9ee;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans Devanagari", system-ui, -apple-system, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; }

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 22px; font-weight: 800; color: var(--primary-dark); letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { font-size: 15px; font-weight: 500; color: var(--muted); transition: color .15s; }
.main-nav a:hover, .main-nav a.active { color: var(--primary-dark); }
.lang-toggle { display: flex; gap: 6px; }
.lang-toggle a {
  font-size: 12.5px; font-weight: 700; padding: 5px 10px; border-radius: 20px;
  border: 1px solid var(--border); color: var(--muted);
}
.lang-toggle a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--primary-dark); }

@media (max-width: 860px) {
  .main-nav { position: fixed; inset: 68px 0 0 0; background: #fff; flex-direction: column; padding: 24px; gap: 18px; transform: translateX(100%); transition: transform .25s ease; }
  .main-nav.open { transform: translateX(0); }
  .nav-toggle { display: block; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, var(--accent) 140%);
  color: #fff;
  padding: 90px 0 100px;
  text-align: center;
}
.hero h1 { font-size: 40px; margin: 0 0 18px; font-weight: 800; max-width: 780px; margin-inline: auto; }
.hero p { font-size: 17px; max-width: 640px; margin: 0 auto 32px; opacity: .92; }
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 30px; font-weight: 700; font-size: 15px;
  background: #fff; color: var(--primary-dark); transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.18); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }

/* Sections */
section { padding: 70px 0; }
.section-title { font-size: 28px; font-weight: 800; text-align: center; margin: 0 0 10px; color: var(--primary-dark); }
.section-sub { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 40px; font-size: 15.5px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Cards / grid */
.grid { display: grid; gap: 22px; }
.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: 600px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(15,76,129,0.12); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; background: rgba(20,184,166,0.12);
  color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 17px; color: var(--primary-dark); }
.card p { margin: 0 0 14px; font-size: 14px; color: var(--muted); }
.card .tag {
  display: inline-block; font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 20px;
  background: #fef3c7; color: #92400e; margin-bottom: 10px;
}
.card a.link { font-size: 13.5px; font-weight: 700; color: var(--primary); }

.card.disabled { opacity: .75; }
.card.disabled:hover { transform: none; box-shadow: none; }

/* About */
.about-block p { font-size: 15.5px; color: var(--muted); max-width: 800px; margin: 0 auto 16px; }

/* Team */
.avatar {
  width: 78px; height: 78px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 800; margin: 0 auto 14px;
}
.team-card { text-align: center; }
.team-card .placeholder-note { font-size: 12px; color: #94a3b8; font-style: italic; }

/* Contact */
.contact-box {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 44px; text-align: center; max-width: 560px; margin: 0 auto;
}
.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 10px; background: #25D366; color: #fff;
  padding: 14px 30px; border-radius: 30px; font-weight: 700; font-size: 15.5px; margin-top: 18px;
}
.whatsapp-btn:hover { filter: brightness(1.05); }

/* Footer */
.site-footer { background: var(--primary-dark); color: #cfe0ee; padding: 40px 0 24px; margin-top: 40px; }
.site-footer .container { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.site-footer a.whatsapp-footer { font-weight: 700; color: #fff; }
.site-footer .copyright { font-size: 12.5px; color: #93aec4; }