/* =========================
   THEME VARIABLES (Required)
========================= */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --primary: #2563eb;
  --secondary: #f97316;

  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --gradient-warm: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
  --gradient-cool: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);

  --border: rgba(0, 0, 0, 0.06);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* =========================
   BASIC GLOBALS (Recommended)
========================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Container */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* =========================
   HEADER / NAVBAR CSS
========================= */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
}
nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
}
.logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  transition: all 0.2s ease;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
}

/* Buttons in nav */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.45);
}
.btn-secondary {
  background: white;
  color: var(--text-primary);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

/* =========================
   FOOTER CSS
========================= */
footer {
  padding: 80px 0 40px;
  background: var(--text-primary);
  color: white;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand { max-width: 300px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-logo .logo-icon { box-shadow: none; }
.footer-logo .logo-text {
  color: white;
  background: none;
  -webkit-text-fill-color: white;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}
.footer-col-title {
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 14px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: white; }

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copyright {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

/* footer developer tag */
.footerTag {
  color: #60a5fa;
  text-decoration: none;
}

/* =========================
   WHATSAPP BUTTON CSS
========================= */
.whatsapp-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: white;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  z-index: 99;
}
.whatsapp-btn:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

/* =========================
   RESPONSIVE (Nav/Footer)
========================= */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
@media (max-width: 768px) {
  .nav-links { display: none; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}