:root {
  --black:      #080808;
  --off-black:  #111111;
  --dark:       #1a1a1a;
  --mid:        #3a3a3a;
  --rule:       #2a2a2a;
  --muted:      #666666;
  --light:      #aaaaaa;
  --white:      #f0ede8;
  --accent:     #8A6D3B;
  --accent-dim: #6b5d4a;
}

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

html { 
  scroll-behavior: smooth; 
}

body {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Mono', 'Courier New', monospace;
  font-weight: 300;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  cursor: default;
}

/* Navbar */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 48px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s, background 0.4s;
}

nav.scrolled {
  border-color: var(--rule);
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(12px);
}

.navbar {
  background-color: transparent;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: none;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 28px 48px;
}

.logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.18em;
  color: var(--white);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-menu a {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--white);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 48px 80px;
  position: relative;
  background: var(--black);
}

.hero .container {
  padding: 0;
}

.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(42px, 6vw, 80px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 700px;
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--light);
  max-width: 520px;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 6px;
  transition: color 0.2s, border-color 0.2s;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.8s forwards;
}

.btn:hover { 
  color: var(--accent); 
}

.btn-primary {
  background: none;
  color: var(--white);
  border-bottom: 1px solid var(--accent);
}

.btn-primary::after {
  content: '→';
}

.btn-primary:hover {
  color: var(--accent);
  background: none;
  transform: none;
}

/* Sections */
section {
  padding: 100px 48px;
  border-bottom: 1px solid var(--rule);
}

.section-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
}

.section-num {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.section-rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.section-tag {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.section h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 32px;
  max-width: 640px;
}

/* About Section */
.about-section {
  background: var(--black);
}

.about-intro {
  margin-bottom: 56px;
}

.about-opening {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 24px;
}

.about-premise p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-core,
.about-purpose,
.about-learning,
.about-outcome,
.about-features,
.about-target {
  margin-bottom: 56px;
}

.about-core h3,
.about-purpose h3,
.about-learning h3,
.about-outcome h3,
.about-features h3,
.about-target h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 22px;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-insight {
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  color: var(--light);
  font-size: 12px;
  line-height: 1.8;
  margin: 32px 0;
}

.about-case-study {
  margin: 32px 0;
}

.about-case-study h4 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.about-case-study p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-clarification {
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  margin: 20px 0;
}

.about-clarification ul {
  list-style: none;
  margin-left: 0;
}

.about-clarification li {
  color: var(--light);
  font-size: 12px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.about-final p {
  color: var(--white);
  font-size: 12px;
  line-height: 1.8;
  margin-bottom: 12px;
}

/* Features/Learning Grid */
.learning-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2px;
  margin-top: 20px;
}

.learning-item,
.feature-card {
  background: var(--off-black);
  padding: 36px 28px;
  transition: background 0.3s;
}

.learning-item:hover,
.feature-card:hover {
  background: var(--dark);
}

.learning-item h4,
.feature-card h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 12px;
}

.learning-item p,
.feature-card p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
}

/* Agenda */
.agenda-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  margin-top: 20px;
}

.agenda-item {
  background: var(--off-black);
  padding: 36px 28px;
  border-left: 2px solid var(--accent);
  box-shadow: none;
}

.agenda-item h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 12px;
}

.agenda-item p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
}

/* Instructor Section */
.instructor-section {
  background: var(--black);
}

.instructor-main {
  max-width: 900px;
}

.instructor-header h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 24px;
  color: var(--white);
  margin-bottom: 8px;
}

.instructor-title {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.instructor-bio p,
.instructor-timeline li,
.instructor-results li,
.instructor-publications li,
.instructor-education li {
  color: var(--light);
  font-size: 12px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.instructor-timeline h4,
.instructor-results h4,
.instructor-publications h4,
.instructor-education h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 16px;
  color: var(--white);
  margin-bottom: 12px;
  margin-top: 24px;
}

.instructor-timeline ul,
.instructor-results ul,
.instructor-publications ul,
.instructor-education ul {
  list-style: none;
}

.instructor-timeline li strong,
.instructor-results li strong,
.instructor-publications li strong,
.instructor-education li strong {
  color: var(--accent);
}

/* Contact */
.contact {
  background: var(--black);
  border-bottom: none;
}

.contact-form {
  max-width: 600px;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  background: var(--off-black);
  padding: 12px 16px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(138, 109, 59, 0.1);
}

/* Architecture Section */
.architecture-section {
  background: var(--black);
}

.format-details {
  margin-bottom: 56px;
}

.format-card {
  background: var(--off-black);
  padding: 36px 28px;
  margin-bottom: 20px;
  transition: background 0.3s;
}

.format-card:hover {
  background: var(--dark);
}

.format-card h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 12px;
}

.format-card p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 8px;
}

.format-subtext {
  color: var(--light);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.availability {
  margin-bottom: 56px;
}

.availability-notice {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-top: 12px;
}

.contact-details {
  background: var(--off-black);
  padding: 36px 28px;
}

.contact-details h3,
.contact-details h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.contact-info a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-info a:hover {
  color: var(--white);
}

.contact-form-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

.seminario-link {
  margin-top: 48px;
  text-align: center;
}

.link-arrow {
  color: var(--white);
  text-decoration: none;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.link-arrow:hover {
  color: var(--accent);
}

/* Book Section */
.book-section {
  background: var(--black);
}

.book-intro {
  margin-bottom: 48px;
}

.book-opening {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.6;
}

.book-content p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.9;
  margin-bottom: 20px;
}

.book-core-ideas {
  margin: 48px 0;
}

.book-core-ideas h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 24px;
}

.idea-card {
  background: var(--off-black);
  padding: 28px 24px;
  margin-bottom: 16px;
  transition: background 0.3s;
}

.idea-card:hover {
  background: var(--dark);
}

.idea-card h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 16px;
  color: var(--white);
  margin-bottom: 12px;
}

.idea-card p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
}

.book-audience {
  margin: 32px 0;
}

.book-audience h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 16px;
}

.book-audience p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.book-audience ul {
  list-style: none;
  margin-left: 0;
}

.book-audience li {
  color: var(--light);
  font-size: 11px;
  line-height: 1.8;
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
}

.book-audience li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.book-editions {
  margin: 48px 0;
}

.book-editions h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 16px;
}

.book-editions p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.edition-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.edition {
  background: var(--off-black);
  padding: 24px;
  text-align: center;
  transition: background 0.3s;
}

.edition:hover {
  background: var(--dark);
}

.edition h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 16px;
}

.book-complement {
  margin-top: 48px;
}

.book-complement h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 16px;
}

.book-complement p {
  color: var(--light);
  font-size: 12px;
  line-height: 1.8;
  margin-bottom: 12px;
}

/* Footer */
footer {
  background: var(--black);
  padding: 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--rule);
  margin-top: 0;
}

footer p {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mid);
}

/* Animations */
@keyframes fadeUp {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to   { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  nav,
  .navbar {
    padding: 20px 24px;
  }
  
  .navbar .container {
    padding: 20px 24px;
  }
  
  .nav-menu {
    gap: 16px;
    font-size: 9px;
  }
  
  .hero {
    padding: 0 24px 60px;
    margin-top: 60px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 11px;
  }
  
  section {
    padding: 64px 24px;
  }
  
  .section h2 {
    font-size: 1.8rem;
  }
  
  .learning-items,
  .agenda-items,
  .edition-links {
    grid-template-columns: 1fr;
  }
  
  footer {
    padding: 20px 24px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;600&family=DM+Mono:wght@300;400&display=swap');