*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: #1f2937;
  overflow-x: hidden;
  line-height: 1.4;
}

/* HEADER */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #f3f4f6;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.025em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: #4b5563;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #111827;
}

.btn-outline {
  padding: 0.5rem 1rem;
  border: 2px solid #111827;
  border-radius: 0.75rem;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 700;
  color: #111827;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: #111827;
  color: #ffffff;
}

/* MOBILE TOGGLE */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #111827;
  border-radius: 2px;
}

/* HERO */
.hero {
  padding: 4rem 1.5rem 2.5rem;
  text-align: center;
  max-width: 1000px;
  margin: auto;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.1;
  font-weight: 800;
  color: #111827;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

.hero p {
  font-size: 1.125rem;
  color: #4b5563;
  margin-bottom: 1.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  background: #2563eb;
  color: #ffffff;
  border-radius: 0.875rem;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
  transition: transform 0.2s, background 0.2s;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
}

/* FEATURES */
.features {
  padding: 3rem 1.5rem;
}

.alternate-bg {
  background: #f9fafb;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #6b7280;
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.feature-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature {
  background: #ffffff;
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid #f3f4f6;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.feature h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature p {
  color: #6b7280;
  font-size: 0.9375rem;
}

/* WAITLIST */
.waitlist-container {
  margin-top: 3rem;
}

.waitlist-card {
  background: #111827;
  color: #ffffff;
  padding: 3rem 2rem;
  border-radius: 2rem;
  max-width: 900px;
  margin: auto;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.waitlist-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.waitlist-card p {
  color: #9ca3af;
  margin-bottom: 1.5rem;
}

.waitlist-form {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.waitlist-form input {
  padding: 0.875rem 1.25rem;
  border-radius: 1rem;
  border: 1px solid #374151;
  background: #1f2937;
  color: #ffffff;
  width: 280px;
  font-size: 0.9375rem;
}

.waitlist-form button {
  padding: 0.875rem 1.5rem;
  border-radius: 1rem;
  border: none;
  background: #22c55e;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}

.waitlist-form button:hover {
  background: #16a34a;
}

/* QUERY SECTION */
.query-section {
  padding: 3.5rem 1.5rem;
}

.query-container {
  max-width: 1000px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.query-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.query-content p {
  color: #4b5563;
  font-size: 1.0625rem;
}

.query-form {
  background: #f9fafb;
  padding: 2rem;
  border-radius: 1.5rem;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row .form-group {
  flex: 1 1 200px;
  margin-bottom: 0;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: #374151;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid #d1d5db;
  background: #ffffff;
  font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
}

.send-btn {
  width: 100%;
  padding: 0.875rem;
  background: #111827;
  color: #ffffff;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}

.send-btn:hover {
  opacity: 0.9;
}

/* FOOTER */
footer {
  padding: 2.5rem 1.5rem;
  border-top: 1px solid #f3f4f6;
}

.footer-content {
  max-width: 1200px;
  margin: auto;
  text-align: center;
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.footer-content p {
  color: #6b7280;
  font-size: 0.8125rem;
}

/* MOBILE */
@media (max-width: 768px) {
  .header {
    padding: 0.75rem 1.5rem;
  }

  .nav-links, .nav-buttons {
    display: none;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    padding: 1.25rem;
    border-bottom: 1px solid #f3f4f6;
  }

  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links.mobile-visible, .nav-buttons.mobile-visible {
    display: flex;
  }

  .nav-buttons.mobile-visible {
    top: 220px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  }

  .menu-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .query-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .waitlist-form input {
    width: 100%;
  }
}