/* Modern Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors - Modern 2026 Light Palette */
  --color-bg: #ffffff;
  --color-surface: #fafafa;
  --color-surface-light: #f5f5f5;
  --color-text: #0a0a0a;
  --color-text-muted: #666666;
  --color-text-dim: #999999;
  --color-accent: #0a0a0a;
  --color-accent-subtle: rgba(0, 0, 0, 0.03);
  --color-border: rgba(0, 0, 0, 0.08);
  
  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;
  
  /* Layout */
  --container-max: 1400px;
  --container-narrow: 800px;
  --container-wide: 1600px;
  
  /* Effects */
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link-primary {
  color: var(--color-text);
  padding: 0.5rem 1.25rem;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
}

.nav-link-primary:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.15);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(60%) brightness(1.1) contrast(0.95);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1200px;
  padding: 2rem;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 500;
  margin-bottom: 1rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-title-line {
  display: block;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.hero-title-line:nth-child(1) {
  animation-delay: 0.2s;
}

.hero-title-line:nth-child(2) {
  animation-delay: 0.4s;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--color-text-muted);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 2rem;
  opacity: 0;
  animation: fadeIn 1s ease-out 1s forwards, float 3s ease-in-out infinite;
  animation-delay: 1s, 2s;
}

/* Main Content */
.main {
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Content Sections */
.content-section {
  padding: var(--space-2xl) 0;
  opacity: 0;
  transform: translateY(40px);
  transition: var(--transition);
}

.content-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.content-section.dark {
  background: var(--color-surface);
}

.section-header {
  margin-bottom: var(--space-md);
}

.section-header.centered {
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.section-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  align-items: start;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.text-content {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

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

.text-content p {
  margin-bottom: 1.5rem;
}

.text-content p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.375rem;
  line-height: 1.6;
  color: var(--color-text);
  font-weight: 400;
}

.lead-large {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.4;
  color: var(--color-text);
  font-weight: 400;
  font-family: var(--font-display);
}

.quote {
  margin: var(--space-md) 0;
  padding-left: 2rem;
  border-left: 2px solid var(--color-border);
  font-style: italic;
  color: var(--color-text);
}

/* Feature Section */
.feature-section {
  background: var(--color-surface-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.feature-image {
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: var(--transition);
}

.feature-image:hover img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.feature-content {
  padding: var(--space-md);
}

/* CTA Section */
.cta-section {
  padding: var(--space-2xl) 0;
  background: linear-gradient(
    135deg,
    var(--color-surface) 0%,
    var(--color-surface-light) 100%
  );
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(40px);
  transition: var(--transition);
}

.cta-section.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.cta-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 500;
  margin: var(--space-md) 0;
  letter-spacing: -0.01em;
}

.cta-text {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 3rem;
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--color-text);
  color: var(--color-bg);
  border: 2px solid var(--color-text);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 2px solid transparent;
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}

/* Closing Section */
.closing-section {
  padding: var(--space-2xl) 0;
}

/* Footer */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-lg);
  align-items: start;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-link:hover {
  color: var(--color-text);
}

.footer-bottom {
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.75rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .section-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }

  .nav-container {
    padding: 1rem 1.5rem;
  }

  .nav-menu {
    gap: 1.5rem;
  }

  .nav-link {
    font-size: 0.8125rem;
  }

  .hero {
    min-height: 500px;
  }

  .hero-content {
    padding: 1rem;
  }

  .container,
  .container-narrow,
  .container-wide {
    padding: 0 1.5rem;
  }

  .text-content {
    font-size: 1rem;
  }

  .lead {
    font-size: 1.125rem;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

@media (max-width: 480px) {
  .nav-menu {
    gap: 1rem;
  }

  .nav-link:not(.nav-link-primary) {
    display: none;
  }

  .hero-scroll {
    display: none;
  }
}