:root {
  --primary-color: #000000;
  --secondary-color: #000000;
  --dark-color: #000000;
  --light-color: #ffffff;
  --success-color: #000000;
  --error-color: #000000;
  --accent-color: #000000;
}

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

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.6;
  color: #000000;
  background-color: #fff;
  letter-spacing: 0.02em;
}

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

a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

ul {
  list-style: none;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2.5rem;
  width: 90%;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #000000;
  color: #fff;
  padding: 1.2rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.navbar a {
  color: #fff;
  margin: 0 0.8rem;
  transition: opacity 0.3s ease, transform 0.3s ease;
  letter-spacing: 0.02em;
  position: relative;
}

.navbar a:not(.logo)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #fff;
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: right;
}

.navbar a:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.navbar a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.navbar ul {
  display: flex;
}

.navbar .logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  transition: transform 0.3s ease;
}

.navbar .logo:hover {
  transform: scale(1.05);
}

.navbar .logo h1 {
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0;
  letter-spacing: 0.01em;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 450px;
  background: var(--light-color);
  margin-bottom: 3rem;
  padding: 3rem 2rem;
  border-bottom: 1px solid #000000;
  background-color: #ffffff;
  position: relative;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 800px;
}

.hero p {
  font-size: 1.3rem;
  max-width: 650px;
  margin-bottom: 2.5rem;
  font-style: italic;
  color: #000000;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.btn {
  display: inline-block;
  background: #000000;
  color: #fff;
  padding: 0.9rem 2.2rem;
  border: 2px solid #000;
  border-radius: 2px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  z-index: 1;
  font-family: 'Georgia', 'Times New Roman', serif;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: #fff;
  transition: all 0.3s ease;
  z-index: -1;
}

.btn:hover {
  color: #000;
  text-decoration: none;
}

.btn:hover::before {
  width: 100%;
}

.btn-secondary {
  background: #000000;
}

.btn-dark {
  background: #000000;
}

.btn-light {
  background: #ffffff;
  color: #000000;
  border-color: #000;
}

.btn-light::before {
  background-color: #000;
}

.btn-light:hover {
  color: #fff;
}

.section {
  padding: 3rem 0;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 2.5rem;
  text-align: center;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background-color: #000;
}

.feature-cards {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: 2rem;
  margin: 3rem 0;
  width: 100%;
  overflow-x: auto;
  padding-bottom: 1rem;
}

.feature-cards .card {
  min-width: 250px;
  flex: 1;
}

.card {
  background: #fff;
  padding: 2.8rem 2rem;
  border-radius: 0;
  border: 1px solid #000000;
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  position: relative;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-right: 1rem;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: #000;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.card::after {
  content: '';
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 8px;
  height: 8px;
  background: #000;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  border-color: #000000;
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.08);
  transform: translateY(-7px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover::after {
  opacity: 1;
}

.card h3 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding-bottom: 1rem;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.card p {
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.8;
  font-size: 1.05rem;
  color: rgba(0, 0, 0, 0.8);
}

.coming-soon {
  background: #fafafa;
  padding: 4rem 0;
  margin: 4rem 0 0;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
}

.coming-soon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background-color: #000;
}

.coming-soon-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin: 3.5rem 0;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
}

.soon-feature {
  background: #fff;
  padding: 2.2rem 1.8rem;
  border: 1px solid rgba(0, 0, 0, 0.7);
  text-align: center;
  transition: all 0.3s ease;
  border-radius: 0;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.soon-feature::before {
  content: 'COMING SOON';
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  font-size: 0.6rem;
  font-weight: bold;
  color: rgba(0, 0, 0, 0.5);
  letter-spacing: 0.1em;
}

.soon-feature::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: #000;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.soon-feature:hover {
  transform: translateY(-7px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07);
  border-color: #000;
}

.soon-feature:hover::after {
  transform: scaleX(1);
}

.soon-feature h3 {
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 1.3rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  letter-spacing: -0.01em;
}

.soon-feature p {
  margin: 0;
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.6;
  font-size: 1rem;
  color: rgba(0, 0, 0, 0.75);
}

.request-feature {
  text-align: center;
  margin: 2.5rem 0 1rem;
  font-family: 'Georgia', 'Times New Roman', serif;
  font-style: italic;
  letter-spacing: 0.01em;
  color: rgba(0, 0, 0, 0.7);
}

.step-guide {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin: 4rem auto;
  max-width: 90%;
  position: relative;
}

.step-guide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  height: 100%;
  width: 1px;
  background: rgba(0, 0, 0, 0.05);
  z-index: -1;
  display: none;
}

.step-card {
  background: #fff;
  padding: 2.4rem 2rem 2.4rem 5rem;
  border: 1px solid rgba(0, 0, 0, 0.7);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.4s ease;
  border-radius: 0;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
  height: 100%;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 100%;
  background: rgba(0, 0, 0, 0.02);
  transition: width 0.4s ease;
  z-index: 0;
}

.step-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
  border-color: #000;
}

.step-card:hover::before {
  width: 100%;
  left: 0;
}

.step-number {
  background: #000;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.4rem;
  position: absolute;
  top: 1.8rem;
  left: 1.5rem;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  z-index: 1;
  transition: all 0.3s ease;
}

.step-card:hover .step-number {
  transform: scale(1.1);
}

.step-card h3 {
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-family: 'Georgia', 'Times New Roman', serif;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding-bottom: 0.9rem;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 1;
}

.step-card p {
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.7;
  margin: 0;
  font-size: 1.05rem;
  color: rgba(0, 0, 0, 0.75);
  position: relative;
  z-index: 1;
}

.book-cover {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 3rem;
}

.book-cover-img {
  width: 120px;
  height: auto;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.book-cover:hover .book-cover-img {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.policy-content {
  line-height: 1.8;
  text-align: left;
  padding: 2.5rem 3rem;
}

@media (min-width: 1024px) {
  .step-guide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 2rem;
  }
  
  .step-card:first-child {
    grid-column: 1;
    grid-row: 1;
  }
  
  .step-card:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
  }
  
  .step-card:nth-child(3) {
    grid-column: 3;
    grid-row: 1;
  }
  
  .step-card:nth-child(4) {
    grid-column: 1;
    grid-row: 2;
  }
  
  .step-card:nth-child(5) {
    grid-column: 2;
    grid-row: 2;
  }
  
  .step-card:nth-child(6) {
    grid-column: 3;
    grid-row: 2;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .step-guide {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .feature-cards,
  .coming-soon-features {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

.policy-content h2 {
  margin: 2rem 0 1rem;
  text-align: left;
  font-size: 1.6rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding-bottom: 0.5rem;
}

.policy-content h3 {
  margin: 1.5rem 0 1rem;
  text-align: left;
  font-size: 1.3rem;
}

.policy-content p {
  margin-bottom: 1rem;
  text-align: left;
}

.policy-content ul {
  list-style-type: disc;
  margin-left: 2rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.contact-info {
  margin: 2rem 0;
}

.contact-info p {
  margin: 0.5rem 0;
}

.social-links {
  display: flex;
  justify-content: center;
  margin: 4rem 0;
  gap: 2rem;
}

.social-links a {
  font-size: 1.15rem;
  padding: 0.9rem 2.5rem;
  border: 1px solid #000;
  border-radius: 0;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  z-index: 1;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  font-family: 'Georgia', 'Times New Roman', serif;
}

.social-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: #000;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: -1;
}

.social-links a::after {
  content: '→';
  position: absolute;
  right: 2rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
}

.social-links a:hover {
  color: #fff;
  text-decoration: none;
  padding-right: 3.5rem;
}

.social-links a:hover::before {
  width: 100%;
}

.social-links a:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.instagram-link i {
  font-size: 1.3rem;
  margin-right: 0.8rem;
  vertical-align: middle;
  transition: transform 0.3s ease;
}

.social-links a:hover i {
  transform: scale(1.1);
}

.footer {
  background: #000000;
  color: #fff;
  text-align: center;
  padding: 4rem 2rem;
  margin-top: 4rem;
  letter-spacing: 0.03em;
  line-height: 1.8;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.2);
}

.footer p {
  max-width: 600px;
  margin: 0 auto;
  color: #ffffff;
}

.footer a {
  color: #ffffff !important;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer div, .footer div a {
  color: #ffffff !important;
}

.footer a:hover {
  text-decoration: underline;
}

.btn-disabled {
  opacity: 0.75;
  cursor: not-allowed;
}

.btn-disabled:hover {
  color: #fff;
}

.btn-disabled:hover::before {
  width: 0;
}

.app-buttons {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 1rem;
  }
  
  .navbar ul {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    width: 100%;
  }
  
  .navbar ul li {
    margin: 0 0.5rem;
  }
  
  .hero {
    padding: 2rem 1rem;
    min-height: auto;
  }
  
  .hero h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
  }
  
  .hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
  }
  
  .container {
    padding: 0 1rem;
    width: 100%;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .step-guide {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 2rem auto;
  }
  
  .step-card {
    padding: 2rem 1.5rem 2rem 4.5rem;
  }
  
  .feature-cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    flex-direction: column;
  }
  
  .coming-soon-features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .card, 
  .soon-feature {
    margin-bottom: 0;
    margin-right: 0;
  }
  
  .social-links {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
  }
  
  .social-links a {
    width: 100%;
    text-align: center;
    min-width: unset;
  }
  
  .app-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .footer {
    padding: 2rem 1rem;
    margin-top: 2rem;
  }
}