@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* DESIGN SYSTEM TOKENS */
:root {
  /* Colors - Brand & Accent */
  --primary: #494fdf;
  --primary-bright: #4f55f1;
  --primary-deep: #3a40c4;
  --on-primary: #ffffff;

  /* Surface */
  --canvas-light: #ffffff;
  --canvas-dark: #000000;
  --surface-soft: #f4f4f4;
  --surface-card: #ffffff;
  --surface-deep: #0a0a0a;
  --surface-elevated: #16181a;
  --hairline-light: #e2e2e7;
  --hairline-dark: rgba(255, 255, 255, 0.12);
  --hairline-strong: #191c1f;

  /* Text */
  --ink: #191c1f;
  --body: #1f2226;
  --charcoal: #3a3d40;
  --mute: #505a63;
  --ash: #5c5e60;
  --stone: #8d969e;
  --faint: #c9c9cd;
  --on-dark: #ffffff;
  --on-dark-mute: rgba(255, 255, 255, 0.72);

  /* Semantic / Accents */
  --accent-teal: #00a87e;
  --accent-light-blue: #007bc2;
  --accent-blue-link: #376cd5;
  --accent-light-green: #428619;
  --accent-green-text: #006400;
  --accent-yellow: #b09000;
  --accent-warning: #ec7e00;
  --accent-pink: #e61e49;
  --accent-danger: #e23b4a;
  --accent-deep-red: #8b0000;
  --accent-brown: #936d62;
  --link: #376cd5;

  /* Spacing */
  --spacing-xxs: 4px;
  --spacing-xs: 6px;
  --spacing-sm: 8px;
  --spacing-md: 14px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
  --spacing-xxxl: 48px;
  --spacing-block: 80px;
  --spacing-section: 88px;
  --spacing-band: 120px;

  /* Border Radius */
  --rounded-none: 0px;
  --rounded-sm: 8px;
  --rounded-md: 12px;
  --rounded-lg: 20px;
  --rounded-xl: 28px;
  --rounded-full: 9999px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--canvas-light);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Utilities */
.font-display { font-weight: 500; }
.font-body { font-weight: 400; }

.text-display-xxl { font-size: clamp(40px, 6vw, 96px); font-weight: 500; line-height: 1.0; letter-spacing: -0.02em; }
.text-display-xl { font-size: clamp(32px, 5vw, 64px); font-weight: 500; line-height: 1.0; letter-spacing: -0.01em; }
.text-display-lg { font-size: 40px; font-weight: 500; line-height: 1.21; letter-spacing: -0.01em; }
.text-display-md { font-size: 32px; font-weight: 500; line-height: 1.2; letter-spacing: -0.01em; }
.text-heading-lg { font-size: 28px; font-weight: 500; line-height: 1.19; letter-spacing: -0.01em; }
.text-heading-md { font-size: 22px; font-weight: 500; line-height: 1.33; letter-spacing: 0; }
.text-heading-sm { font-size: 18px; font-weight: 500; line-height: 1.4; letter-spacing: 0; }

.text-body-lg { font-size: 16px; font-weight: 400; line-height: 1.56; letter-spacing: -0.005em; color: var(--body); }
.text-body-md { font-size: 15px; font-weight: 400; line-height: 1.5; letter-spacing: 0.24px; color: var(--body); }
.text-body-md-bold { font-size: 15px; font-weight: 600; line-height: 1.5; letter-spacing: 0.16px; }
.text-body-sm { font-size: 14px; font-weight: 400; line-height: 1.43; letter-spacing: 0; }
.text-caption { font-size: 13px; font-weight: 400; line-height: 1.4; letter-spacing: 0; color: var(--charcoal); }
.text-link-emph { font-size: 15px; font-weight: 700; line-height: 1.5; letter-spacing: 0.24px; color: var(--on-dark); }

.band-dark .text-body-lg,
.band-dark .text-body-md,
.band-dark .text-body-md-bold,
.band-dark .text-caption {
  color: var(--on-dark-mute);
}

/* Layout & Sections */
.band-dark { background-color: var(--canvas-dark); color: var(--on-dark); }
.band-light { background-color: var(--canvas-light); color: var(--ink); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-xl); }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 var(--spacing-xl); }

.section-padding { padding-top: var(--spacing-section); padding-bottom: var(--spacing-section); }
.band-padding { padding-top: var(--spacing-band); padding-bottom: var(--spacing-band); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.9; }

.btn-primary {
  background-color: var(--canvas-light);
  color: var(--canvas-dark);
  border-radius: var(--rounded-full);
  padding: 14px 28px;
  height: 48px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.24px;
}

.btn-dark {
  background-color: var(--canvas-dark);
  color: var(--on-dark);
  border-radius: var(--rounded-full);
  padding: 14px 28px;
  height: 48px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.24px;
}

.btn-soft {
  background-color: var(--surface-soft);
  color: var(--ink);
  border-radius: var(--rounded-full);
  padding: 14px 28px;
  height: 48px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.24px;
}

.btn-outline-dark {
  background-color: var(--canvas-dark);
  color: var(--on-dark);
  border: 1px solid var(--on-dark);
  border-radius: var(--rounded-full);
  padding: 13px 27px;
  height: 48px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.24px;
}

.btn-pill-sm {
  background-color: var(--surface-soft);
  color: var(--ink);
  border-radius: var(--rounded-full);
  padding: 8px 16px;
  height: 36px;
  font-size: 14px;
  font-weight: 600;
}

.button-group {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Cards */
.feature-card-light {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline-light);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}

.feature-card-light .card-icon {
  color: #1dbf89;
  width: 32px;
  height: 32px;
  margin-bottom: var(--spacing-lg);
}

.feature-card-dark {
  background-color: var(--surface-elevated);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
}

.plan-card {
  background-color: var(--surface-elevated);
  color: var(--on-dark);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
}

.plan-card-featured {
  background-color: var(--primary);
  color: var(--on-primary);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
}

.plan-card-featured .text-body-md { color: var(--on-primary); }
.plan-card-featured .copper-number { color: var(--canvas-light); opacity: 0.8; }

/* Badges & Tags */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface-soft);
  color: var(--ink);
  border-radius: var(--rounded-full);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-icon {
  width: 16px;
  height: 16px;
  opacity: 0.8;
}

.band-dark .badge-tag {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--on-dark);
}

.badge-tag.light-on-dark {
  background-color: var(--canvas-light);
  color: var(--canvas-dark);
}

.badge-tag.outline {
  background-color: transparent;
  border: 1px solid var(--hairline-strong);
}

/* Nav */
.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  padding: 0 var(--spacing-xl);
  background-color: var(--canvas-dark);
  color: var(--on-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--hairline-dark);
}

.logo-link {
  display: flex;
  align-items: center;
  background-color: #ffffff; /* White background for the logo */
  border-radius: var(--rounded-sm);
  padding: 4px 12px;
}

.logo-img {
  height: 28px;
  width: auto;
  object-fit: contain;
}
.logo-dot { color: cyan; } /* Specifically requested i-dot cyan */

.nav-links { display: flex; gap: var(--spacing-xl); }
.nav-links a { color: var(--on-dark-mute); text-decoration: none; font-size: 14px; font-weight: 600; transition: color 0.2s;}
.nav-links a:hover { color: var(--on-dark); }

/* Grids */
.grid-3x2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-xl); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-xl); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3x2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-4, .grid-3x2, .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}

/* Marquee */
.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--hairline-dark);
  border-bottom: 1px solid var(--hairline-dark);
  margin-top: var(--spacing-block);
  width: 100%;
}
.marquee-content { display: inline-block; animation: marquee 30s linear infinite; }
.marquee-content span {
  padding-right: 48px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.24px;
  color: var(--on-dark-mute);
}
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Helpers */
.eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.24px;
  color: var(--mute);
  margin-bottom: var(--spacing-xl);
  text-transform: uppercase;
}
.band-dark .eyebrow { color: var(--on-dark-mute); }

.hero-section-bg {
  position: relative;
  background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)), url('hero-bg.jpg');
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.hero-section-bg .container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ecosystem-manifesto-bg {
  position: relative;
  background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('ecosystem-bg.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.text-highlight {
  color: #1dbf89;
}

.copper-number {
  color: var(--accent-brown);
  font-weight: 500;
  font-size: 20px;
  margin-bottom: var(--spacing-md);
  display: block;
}

.photo-band {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: var(--surface-deep);
  background-size: cover;
  background-position: center;
  position: relative;
}

.section-photo-02 {
  background-image: url('photo-02.png');
  opacity: 0;
  transform: scale(0.95);
  transform-origin: center;
}

.section-photo-07 {
  background-image: url('photo-07.jpg');
  opacity: 0;
  transform: scale(0.95);
  transform-origin: center;
}

.photo-caption {
  position: absolute;
  bottom: var(--spacing-xl);
  left: var(--spacing-xl);
  color: var(--on-dark-mute);
  font-size: 14px;
}

/* Spacing Helpers */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-xxl { margin-top: var(--spacing-xxl); }

.mb-xxs { margin-bottom: var(--spacing-xxs); }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }
.mb-block { margin-bottom: var(--spacing-block); }

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

.tag-list { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }

/* Value Flow */
.value-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xxl);
}
.value-flow-item {
  font-size: 20px;
  font-weight: 500;
}
.value-flow-arrow {
  color: var(--mute);
}

/* Split Layout */
.split-layout { display: flex; gap: var(--spacing-xxl); align-items: flex-start; }
.split-col { flex: 1; }
@media (max-width: 768px) { .split-layout { flex-direction: column; } }

/* Divider List */
.divider-list { list-style: none; }
.divider-list li {
  border-bottom: 1px solid var(--hairline-light);
  padding: var(--spacing-lg) 0;
  display: flex;
  gap: var(--spacing-md);
}
.band-dark .divider-list li { border-bottom: 1px solid var(--hairline-dark); }
.divider-list li:last-child { border-bottom: none; }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--hairline-light);
  padding: var(--spacing-xl) 0;
}
.faq-question { font-size: 20px; font-weight: 500; }
.faq-answer { font-size: 16px; color: var(--body); line-height: 1.5; }

/* Footer */
footer { padding: 80px 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-block);
  align-items: start;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-links { display: flex; gap: var(--spacing-xl); justify-content: center; }
.footer-links a { color: var(--on-dark-mute); text-decoration: none; font-size: 14px; font-weight: 600; }
.footer-right { text-align: right; }
.footer-right a { color: var(--on-dark-mute); text-decoration: none; font-size: 14px; margin-left: var(--spacing-lg); }
@media (max-width: 768px) {
  .footer-links { justify-content: flex-start; flex-wrap: wrap; }
  .footer-right { text-align: left; }
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--hairline-dark);
  padding-top: var(--spacing-xl);
  color: var(--ash);
  font-size: 13px;
}

/* Avatars */
.leadership-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--hairline-light);
}