:root {
  --color-bg: #fcfcfc;
  --color-text: #1a1a1a;
  --color-primary: #0a192f;
  --color-accent: #c4a77e;
  --color-gray: #757575;
  --color-light-gray: #e6e6e6;
  --color-white: #ffffff;
  --color-border: #dcdcdc;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s ease;
  
  --max-width: 1440px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(3rem, 5vw, 5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2.5rem, 4vw, 4rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 2.5vw, 2.5rem); }
h4 { font-size: 1.25rem; font-family: var(--font-body); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-gray); }

p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray);
  max-width: 65ch;
}

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

a:hover {
  color: var(--color-accent);
}

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-sm {
  padding: var(--spacing-lg) 0;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(252, 252, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-bottom var(--transition-fast), padding var(--transition-fast);
  padding: 1.5rem 0;
}

.navbar.scrolled {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

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

.brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.nav-links a:hover {
  color: var(--color-accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
}

.hero .grid {
  align-items: center;
}

.hero-content {
  grid-column: 1 / 8;
  z-index: 2;
}

.hero-image-wrapper {
  grid-column: 7 / 13;
  position: absolute;
  right: 0;
  top: 10%;
  width: 45%;
  height: 80%;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform var(--transition-slow);
}

.hero.revealed .hero-image {
  transform: scale(1);
}

/* Components */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  border: 1px solid var(--color-primary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-primary);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
}

/* Section Headers */
.section-header {
  grid-column: 1 / 9;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-top: 1rem;
  margin-bottom: 0;
}

/* Content Layouts */
.split-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .split-content {
    flex-direction: row;
    align-items: stretch;
  }
  .split-content > * {
    flex: 1;
  }
}

.split-image {
  position: relative;
  min-height: 400px;
  overflow: hidden;
}

.split-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border-color: var(--color-accent);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-link {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.card-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.card:hover .card-link::after {
  transform: translateX(5px);
}

/* Insight Cards (Image Cards) */
.insight-card {
  border: none;
  padding: 0;
  background: transparent;
  group: true;
}

.insight-image {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.insight-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.insight-card:hover {
  transform: none;
  box-shadow: none;
}

.insight-card:hover .insight-image img {
  transform: scale(1.05);
}

.insight-meta {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: block;
}

/* Sticky Timeline */
.timeline-section {
  position: relative;
}

.timeline-container {
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .timeline-container {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .timeline-nav {
    position: sticky;
    top: 150px;
    width: 30%;
    padding-right: 4rem;
  }
  
  .timeline-content {
    width: 70%;
  }
}

.timeline-step {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border);
}

.timeline-step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-light-gray);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color var(--transition-fast);
}

.timeline-step.active .step-number {
  color: var(--color-accent);
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

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

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 2rem;
}

.footer h3, .footer h4 {
  color: var(--color-white);
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
  cursor: pointer;
}

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

.faq-question h3 {
  margin: 0;
  font-size: 1.25rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-text);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-fast);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  margin-top: 1rem;
  margin-bottom: 0;
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-image-wrapper {
    position: relative;
    width: 100%;
    grid-column: 1 / -1;
    margin-top: 3rem;
    height: 400px;
  }
  .hero-content {
    grid-column: 1 / -1;
  }
  .hero {
    padding-top: 8rem;
    min-height: auto;
    padding-bottom: 5rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .section-header {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}