/* ---- Reset & Base Styles ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro", sans-serif;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.6;
}

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  min-height: 100dvh; /* Dynamic viewport height for mobile */
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  position: relative;
  overflow: hidden;
}

/* Left side - Content */
.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: #ffffff;
  position: relative;
  z-index: 2;
}

/* Right side - Visual/Image */
.hero-visual {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 50%, rgba(255, 210, 0, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(255, 210, 0, 0.12) 0%, transparent 50%);
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}

/* ---- Typography ---- */
.hero-logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.hero-logo {
  height: auto;
  max-width: 80px;
  display: block;
}

.hero-logo-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1.5rem 0;
  color: #1a1a1a;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #4a4a4a;
  margin: 0 0 2.5rem 0;
  max-width: 90%;
  text-align: center;
}

/* ---- Responsive Design ---- */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 100vh;
    min-height: 100dvh;
  }

  .hero-content {
    padding: 2rem 1.5rem;
    min-height: 100vh;
    min-height: 100dvh;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .hero-visual {
    display: none;
  }

  .hero-logo-container {
    margin-bottom: 2rem;
    gap: 0.5rem;
  }

  .hero-logo {
    max-width: 140px;
  }

  .hero-logo-text {
    display: none;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.75rem);
    margin: 0 0 1.5rem 0;
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: clamp(0.875rem, 3.5vw, 1rem);
    margin: 0 0 2rem 0;
    max-width: 100%;
    line-height: 1.5;
  }

  .venture-wrapper {
    width: 100%;
  }

  .venture-screen {
    min-width: 100%;
    padding: 16px 20px;
  }

  .venture-label {
    font-size: 14px;
    letter-spacing: 0.1em;
  }

  .venture-arrow {
    margin-left: 16px;
    width: 12px;
    height: 12px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .hero-content {
    padding: 3rem 2.5rem;
  }
}

@media (min-width: 1025px) {
  .hero-content {
    padding: 4rem;
  }
}

/* ---- Process Section ---- */
.process {
  padding: 5rem 2rem;
  background: #fafafa;
}

.process-container {
  max-width: 1200px;
  margin: 0 auto;
}

.process-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  color: #1a1a1a;
  margin: 0 0 4rem 0;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(200px, auto);
  gap: 1.5rem;
}

.process-step:nth-child(1) {
  grid-column: span 2;
}

.process-step:nth-child(6) {
  grid-column: span 2;
}

.process-step {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ffd63b 0%, #d4a017 100%);
  color: #1a1a1a;
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(212, 160, 23, 0.3);
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0 0 0.75rem 0;
}

.step-description {
  font-size: 1rem;
  color: #4a4a4a;
  line-height: 1.6;
  margin: 0;
}

/* ---- Process Responsive Design ---- */
@media (max-width: 768px) {
  .process {
    padding: 3rem 1.5rem;
  }

  .process-title {
    margin-bottom: 3rem;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .process-step {
    padding: 1.5rem;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .process-step:nth-child(1),
  .process-step:nth-child(6) {
    grid-column: span 1;
  }

  .step-number {
    margin-bottom: 0.5rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .process {
    padding: 4rem 2rem;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-step:nth-child(1),
  .process-step:nth-child(6) {
    grid-column: span 1;
  }
}

/* ---- Book Types Section ---- */
.book-types {
  padding: 5rem 2rem;
  background: #ffffff;
}

.book-types-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.book-types-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 1.5rem 0;
}

.book-types-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #4a4a4a;
  margin: 0 0 4rem 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.book-types-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.book-type-card {
  padding: 3rem 2rem;
  background: #fafafa;
  border-radius: 16px;
  border: 2px solid #e8e8e8;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.book-type-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: #ffd63b;
}

.book-type-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.book-type-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 1rem 0;
}

.book-type-description {
  font-size: 1rem;
  color: #4a4a4a;
  line-height: 1.7;
  margin: 0;
}

/* ---- Book Types Responsive Design ---- */
@media (max-width: 768px) {
  .book-types {
    padding: 3rem 1.5rem;
  }

  .book-types-subtitle {
    margin-bottom: 3rem;
  }

  .book-types-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .book-type-card {
    padding: 2rem 1.5rem;
  }
}

/* ---- Call to Action Section ---- */
.cta {
  padding: 5rem 2rem;
  background: #fafafa;
  text-align: center;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 1.5rem 0;
}

.cta-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #4a4a4a;
  margin: 0 0 2.5rem 0;
  line-height: 1.7;
}

.cta .venture-wrapper {
  display: flex;
  justify-content: center;
}

/* ---- CTA Responsive Design ---- */
@media (max-width: 768px) {
  .cta {
    padding: 3rem 1.5rem;
  }

  .cta-subtitle {
    margin-bottom: 2rem;
  }
}

/* ---- Footer Section ---- */
.footer {
  background: #1a1a1a;
  color: #ffffff;
  padding: 3rem 2rem;
  margin-top: 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-item {
  font-size: 0.95rem;
  color: #cccccc;
  margin: 0;
}

.contact-item a {
  color: #ffd63b;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.contact-item a:hover {
  opacity: 0.8;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.legal-link {
  color: #cccccc;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.legal-link:hover {
  color: #ffd63b;
}

.footer-copyright {
  font-size: 0.875rem;
  color: #999999;
  margin: 0;
}

/* ---- Footer Responsive Design ---- */
@media (max-width: 768px) {
  .footer {
    padding: 2rem 1.5rem;
  }

  .footer-content {
    gap: 1.5rem;
  }
}