* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #374151;
  --primary-hover: #1f2937;
  --text-dark: #111827;
  --text-light: #6b7280;
  --bg-light: #1f2937;
  --bg-white: #ffffff;
  --border-color: #374151;
  --success-color: #10b981;
  --accent-color: #4b5563;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

.container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
    padding: 0 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.btn-primary {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  width: 100%;
  max-width: 320px;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-block;
  background-color: var(--bg-white);
  color: var(--primary-color);
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  border: 2px solid var(--primary-color);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  max-width: 320px;
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
}

header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.brand:hover {
  text-decoration: none;
  color: var(--primary-color);
}

.hero {
  padding: 3rem 0;
  text-align: center;
  background-color: var(--bg-light);
  color: white;
}

.hero h1 {
  font-size: 1.75rem;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: white;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }
}

.hero .subtitle {
  font-size: 1.1rem;
  color: #9ca3af;
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero .subtitle {
    font-size: 1.125rem;
  }
}

.hero-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  background-color: var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .hero-image {
    width: 250px;
    height: 250px;
  }
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background-color: var(--bg-light);
  color: white;
}

.section-alt .section-title {
  color: white;
}

.section-alt .bullet-list li {
  color: #d1d5db;
}

.section-alt .about-content .section-title {
  color: white;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 1.75rem;
  }
}

.bullet-list {
  list-style: none;
}

.bullet-list li {
  padding: 0.875rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-dark);
  font-size: 1.05rem;
}

.bullet-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
  font-size: 1.25rem;
}

.steps-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.step-card {
  background-color: var(--bg-white);
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.step-number {
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--text-light);
  font-size: 1rem;
}

.about-section {
  padding: 3rem 0;
}

.about-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.section-alt .about-content p {
  color: #d1d5db;
}

.cta-block {
  text-align: center;
  padding: 3rem 0;
  background-color: var(--bg-light);
  color: white;
}

.cta-block p {
  margin-bottom: 1.5rem;
  color: #d1d5db;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.1rem;
}

footer {
  background-color: var(--text-dark);
  color: white;
  padding: 2rem 0;
  font-size: 0.875rem;
}

.footer-content {
  text-align: center;
}

.footer-brand {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-address {
  color: #9ca3af;
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #9ca3af;
}

.footer-links a:hover {
  color: white;
}

.footer-email {
  margin-top: 1rem;
  color: #9ca3af;
}

.footer-email a {
  color: white;
}

.quiz-section {
  padding: 3rem 0;
}

.quiz-intro {
  text-align: center;
  margin-bottom: 2rem;
}

.quiz-intro p {
  color: var(--text-light);
}

.quiz-question {
  background-color: var(--bg-white);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.quiz-question h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-option {
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  background-color: var(--bg-white);
  font-size: 0.9375rem;
}

.quiz-option:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-light);
}

.quiz-option.selected {
  border-color: var(--primary-color);
  background-color: #374151;
  color: white;
}

.quiz-progress {
  text-align: center;
  margin-bottom: 2rem;
}

.quiz-progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.quiz-progress-fill {
  height: 100%;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.quiz-result {
  text-align: center;
  padding: 2rem 0;
}

.result-type {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: bold;
}

.result-description {
  color: var(--text-dark);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hidden {
  display: none;
}

.page-content {
  padding: 3rem 0;
  min-height: calc(100vh - 200px);
}

.page-content h1 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.page-content h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.page-content p {
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.page-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

.contact-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.consent-text {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 1rem;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.landing-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 3rem 0;
}

.landing-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 2rem;
  max-width: 300px;
  text-align: center;
  transition: all 0.2s ease;
}

.landing-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.landing-card h3 {
  margin-bottom: 0.5rem;
}

.landing-card p {
  color: var(--text-light);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .landing-nav {
    flex-direction: row;
  }
}