/* ---------- VARIABLES ---------- */
:root {
  --purple:      #9333ea;
  --purple-dark: #7c22ce;
  --navy:        #0A2540;
  --text:        #374151;
  --muted:       #6b7280;
  --border:      #e5e7eb;
  --bg:          #f4f4f4;
  --white:       #ffffff;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:   0 8px 24px rgba(0,0,0,0.10);
  --transition:  0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- NAVBAR ---------- */
.navbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  gap: 16px;
}

.logo {
  font-weight: 700;
  font-size: 24px;
  text-decoration: none;
  color: var(--muted);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a{
  padding: 6px 14px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: #f3f4f6;
  color: var(--text);
}

.nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-login {
  background: none;
  border: none;
  color: var(--purple);
  font-size: 16px;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition);
}

.btn-login:hover { background: #f5f3ff; }

.btn-primary {
  background: var(--purple);
  text-decoration: none;
  color: white;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}


.btn-primary:hover {
  background: var(--purple-dark);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- MAIN / APP ---------- */
main {
  min-height: 60vh;
  transition: opacity 0.2s ease;
}

/* ---------- LOADING SPINNER ---------- */
.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 80px 0;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- ERROR PAGE ---------- */
.error-page {
  text-align: center;
  padding: 80px 20px;
}

.error-page h1 { font-size: 2rem; margin-bottom: 12px; }
.error-page p  { color: var(--muted); margin-bottom: 24px; }

/* ---------- LOGIN MODAL ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

.overlay-content {
  position: relative;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 420px;
  text-align: center;
  transform: scale(0.92) translateY(10px);
  opacity: 0;
  transition: all 0.3s ease;
}

.overlay.active .overlay-content {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.overlay-content h1 { margin-bottom: 0.4rem; font-size: 1.8rem; }
.overlay-content p  { margin-bottom: 1.5rem; color: var(--muted); }

.close-btn {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 1.4rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
  padding: 4px;
  border-radius: 4px;
  transition: color var(--transition);
}
.close-btn:hover { color: var(--text); }

.btnLogin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0.75rem 0;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.btnLogin:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

.btnLogin.google {
  background: white;
  color: #444;
  border-color: #ddd;
}

/* ---------- FOOTER ---------- */
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  padding: 60px 40px 40px;
  background:
    radial-gradient(circle at top left,  rgba(99,91,255,0.15), transparent 40%),
    radial-gradient(circle at bottom right, rgba(147,51,234,0.10), transparent 40%),
    var(--navy);
  color: white;
  position: relative;
}

.footer-column { max-width: 280px; }

.footer-column h2 {
  margin-bottom: 14px;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 8px;
  font-size: 16px;
  opacity: 0.85;
}

.footer-column a {
  text-decoration: none;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.footer-column a:hover { opacity: 1; }

.socials-list {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  list-style: none;
}

.socials-list img {
  width: 28px;
  height: 28px;
  transition: transform var(--transition);
}

.socials-list img:hover { transform: scale(1.15); }

.footer-bottom {
  width: 100%;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  opacity: 0.6;
  text-align: center;
}

/* ---------- TOAST ---------- */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--navy);
  color: white;
  padding: 14px 24px;
  border-radius: 50px;
  font-size: 14px;
  z-index: 3000;
  opacity: 0;
  transition: opacity 0.35s, transform 0.35s;
  pointer-events: none;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.toast.toast-success { background: #166534; }
.toast.toast-error   { background: #991b1b; }

.toast.toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 800px) {

  .navbar {
    flex-wrap: wrap;
    padding: 14px 20px;
  }

  .contactSales {
    display: inline-flex;
  }

  .nav-toggle { display:flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 4;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 8px;
    gap: 2px;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 10px 16px;
    border-radius: 6px;
  }

  .nav-actions { margin-left: auto; }

  .footer {
    flex-direction: column;
    padding: 40px 20px;
  }

  .footer-column { max-width: 100%; }
}