/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}

.logo {
  width: 32px;
  height: 32px;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero .subtext {
  font-size: 1.125rem;
  color: #555;
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  background-color: #1a1a1a;
  color: #ffffff;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

.cta-button:hover {
  background-color: #333;
}

/* Problem Section */
.problem {
  padding: 80px 0;
  background-color: #fafafa;
  text-align: center;
}

.problem p {
  font-size: 1.25rem;
  color: #333;
  margin-bottom: 8px;
}

.problem p:last-child {
  margin-bottom: 0;
  font-weight: 500;
}

/* Solution Section */
.solution {
  padding: 80px 0;
  text-align: center;
}

.solution p {
  font-size: 1.25rem;
  color: #1a1a1a;
  font-weight: 500;
}

/* Audience Section */
.audience {
  padding: 60px 0;
  background-color: #fafafa;
}

.audience ul {
  list-style: none;
  text-align: center;
}

.audience li {
  font-size: 1.125rem;
  color: #555;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}

.audience li:last-child {
  border-bottom: none;
}

/* Form Section */
.form-section {
  padding: 80px 0;
  text-align: center;
}

.form-section h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 40px;
}

.form-section form {
  max-width: 400px;
  margin: 0 auto;
  text-align: left;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 8px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid #ddd;
  border-radius: 8px;
  background-color: #fff;
  color: #1a1a1a;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #1a1a1a;
}

.form-group input::placeholder {
  color: #999;
}

.submit-button {
  width: 100%;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 500;
  font-family: inherit;
  color: #fff;
  background-color: #1a1a1a;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.submit-button:hover {
  background-color: #333;
}

/* Hidden honeypot field */
.hidden {
  display: none !important;
}

/* Footer */
footer {
  padding: 60px 0;
  text-align: center;
  border-top: 1px solid #eee;
}

footer p {
  font-size: 0.875rem;
  color: #777;
  margin-bottom: 8px;
}

footer .copyright {
  margin-bottom: 0;
  color: #999;
}

footer .built-by {
  margin-top: 16px;
  font-size: 0.75rem;
  color: #bbb;
}

footer .built-by a {
  color: #bbb;
  text-decoration: none;
}

footer .built-by a:hover {
  color: #999;
}

/* Thank You Page */
.thank-you {
  padding: 160px 0 120px;
  text-align: center;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you .container {
  width: 100%;
}

.thank-you h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.thank-you p {
  font-size: 1.125rem;
  color: #555;
  margin-bottom: 32px;
}

.back-link {
  display: inline-block;
  font-size: 1rem;
  color: #1a1a1a;
  text-decoration: none;
  font-weight: 500;
}

.back-link:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  .hero {
    padding: 80px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtext {
    font-size: 1rem;
  }

  .problem,
  .solution,
  .form-section {
    padding: 60px 0;
  }

  .problem p,
  .solution p {
    font-size: 1.125rem;
  }

  .audience {
    padding: 40px 0;
  }

  .audience li {
    font-size: 1rem;
  }

  .form-section h2 {
    font-size: 1.5rem;
  }

  .thank-you {
    padding: 100px 0 80px;
  }

  .thank-you h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .cta-button,
  .submit-button {
    padding: 14px 24px;
  }
}