/* ================================================
   EDEN ENGINE — Website Styles
   Dark-first cinematic infrastructure aesthetic
   All styles scoped under .eden-engine-site for WordPress portability
   ================================================ */

/* ---------- CSS CUSTOM PROPERTIES — DARK (DEFAULT) ---------- */
:root {
  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-pad: 6rem;
  --container-max: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme (default) */
.theme-dark .eden-engine-site {
  --bg: #0b1110;
  --bg-alt: #0f1a17;
  --bg-dark: #060d0a;
  --bg-card: #121f1b;
  --text: #e6f1ef;
  --text-secondary: #9ab3aa;
  --text-light: #6a8a7e;
  --white: #e6f1ef;
  --border: #1e3a30;
  --border-light: #162b24;

  --accent-green: #3dd68c;
  --accent-green-light: #5eeaa6;
  --accent-green-bg: rgba(61, 214, 140, 0.1);
  --accent-blue: #5eb8d4;
  --accent-blue-light: #7fd0e8;
  --accent-amber: #dda15e;
  --accent-amber-light: #e8b97a;
  --accent-purple: #a78bfa;

  --gradient-hero: linear-gradient(135deg, #060d0a 0%, #0b1a14 50%, #0f2a1e 100%);
  --gradient-text: linear-gradient(135deg, #3dd68c, #5eb8d4);

  --header-bg: rgba(11, 17, 16, 0.85);
  --nav-mobile-bg: #0f1a17;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Light theme */
.theme-light .eden-engine-site {
  --bg: #fafafa;
  --bg-alt: #f0f4f0;
  --bg-dark: #0c1a0e;
  --bg-card: #ffffff;
  --text: #1a2e1c;
  --text-secondary: #4a6350;
  --text-light: #7a917f;
  --white: #ffffff;
  --border: #d4ddd6;
  --border-light: #e8ede9;

  --accent-green: #2d6a4f;
  --accent-green-light: #40916c;
  --accent-green-bg: #d8f3dc;
  --accent-blue: #1b4965;
  --accent-blue-light: #62b6cb;
  --accent-amber: #b5651d;
  --accent-amber-light: #dda15e;
  --accent-purple: #6a4c93;

  --gradient-hero: linear-gradient(135deg, #0c1a0e 0%, #1b4332 50%, #2d6a4f 100%);
  --gradient-text: linear-gradient(135deg, #40916c, #62b6cb);

  --header-bg: rgba(250, 250, 250, 0.85);
  --nav-mobile-bg: #ffffff;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* ---------- SCOPED RESET ---------- */
.eden-engine-site *,
.eden-engine-site *::before,
.eden-engine-site *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.eden-engine-site {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

.eden-engine-site img {
  max-width: 100%;
  display: block;
}

.eden-engine-site a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color var(--transition);
}

.eden-engine-site a:hover {
  color: var(--accent-green-light);
}

.eden-engine-site h1,
.eden-engine-site h2,
.eden-engine-site h3,
.eden-engine-site h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text);
}

.eden-engine-site h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
.eden-engine-site h2 { font-size: clamp(1.6rem, 3.5vw, 2.8rem); }
.eden-engine-site h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.eden-engine-site ul { list-style: none; }

/* ---------- UTILITIES ---------- */
.eden-engine-site .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eden-engine-site .section {
  padding: var(--section-pad) 0;
}

.eden-engine-site .section-alt {
  background: var(--bg-alt);
}

.eden-engine-site .section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.eden-engine-site .section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-green);
  margin-bottom: 0.5rem;
}

.eden-engine-site .section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  line-height: 1.6;
}

.eden-engine-site .text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- BUTTONS ---------- */
.eden-engine-site .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}

.eden-engine-site .btn-primary {
  background: var(--accent-green);
  color: var(--bg);
}

.eden-engine-site .btn-primary:hover {
  background: var(--accent-green-light);
  color: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(61, 214, 140, 0.25);
}

.eden-engine-site .btn-secondary {
  background: transparent;
  color: var(--accent-green);
  border: 1.5px solid var(--accent-green);
}

.eden-engine-site .btn-secondary:hover {
  background: var(--accent-green);
  color: var(--bg);
  transform: translateY(-1px);
}

.eden-engine-site .btn-full {
  width: 100%;
  justify-content: center;
}

.eden-engine-site .btn-glass {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ---------- NAVIGATION ---------- */
.eden-engine-site .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.eden-engine-site .site-header.scrolled {
  border-bottom-color: var(--border-light);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.15);
}

.eden-engine-site .nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.eden-engine-site .nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.eden-engine-site .nav-logo:hover {
  color: var(--text);
}

.eden-engine-site .logo-img {
  height: 28px;
  width: auto;
}

.eden-engine-site .logo-fallback {
  display: flex;
  align-items: center;
}

.eden-engine-site .logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-green);
}

.eden-engine-site .nav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eden-engine-site .nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.eden-engine-site .nav-links a {
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.eden-engine-site .nav-links a:hover {
  color: var(--text);
  background: var(--bg-alt);
}

.eden-engine-site .nav-links a.active-link {
  color: var(--accent-green);
}

.eden-engine-site .nav-cta {
  background: var(--accent-green) !important;
  color: var(--bg) !important;
  margin-left: 0.5rem;
}

.eden-engine-site .nav-cta:hover {
  background: var(--accent-green-light) !important;
  color: var(--bg) !important;
}

/* Theme Toggle */
.eden-engine-site .theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.eden-engine-site .theme-toggle:hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.eden-engine-site .theme-toggle svg {
  width: 16px;
  height: 16px;
}

/* Show sun in dark mode, moon in light mode */
.theme-dark .eden-engine-site .theme-icon-sun { display: block; }
.theme-dark .eden-engine-site .theme-icon-moon { display: none; }
.theme-light .eden-engine-site .theme-icon-sun { display: none; }
.theme-light .eden-engine-site .theme-icon-moon { display: block; }

/* Nav toggle */
.eden-engine-site .nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.eden-engine-site .nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- HERO ---------- */
.eden-engine-site .hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: var(--white);
  overflow: hidden;
  padding-top: 64px;
}

.eden-engine-site .hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(61, 214, 140, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(94, 184, 212, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.01) 0%, transparent 70%);
}

/* CSS-only particle background */
.eden-engine-site .hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.eden-engine-site .hero-particles::before,
.eden-engine-site .hero-particles::after {
  content: '';
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  animation: particle-drift 20s linear infinite;
}

.eden-engine-site .hero-particles::before {
  top: 20%;
  left: 10%;
  box-shadow:
    0 0 0 1px rgba(61, 214, 140, 0.15),
    120px 80px 0 1px rgba(94, 184, 212, 0.1),
    300px 150px 0 1px rgba(61, 214, 140, 0.12),
    500px 30px 0 1px rgba(94, 184, 212, 0.08),
    700px 200px 0 1px rgba(61, 214, 140, 0.1),
    200px 300px 0 1px rgba(167, 139, 250, 0.08),
    450px 250px 0 1px rgba(61, 214, 140, 0.06),
    650px 100px 0 1px rgba(94, 184, 212, 0.12),
    100px 400px 0 1px rgba(61, 214, 140, 0.08),
    800px 350px 0 1px rgba(94, 184, 212, 0.1);
}

.eden-engine-site .hero-particles::after {
  top: 40%;
  left: 30%;
  animation-delay: -10s;
  animation-duration: 25s;
  box-shadow:
    50px 60px 0 1px rgba(61, 214, 140, 0.1),
    180px 20px 0 1px rgba(94, 184, 212, 0.08),
    350px 180px 0 1px rgba(61, 214, 140, 0.06),
    520px 90px 0 1px rgba(167, 139, 250, 0.1),
    80px 250px 0 1px rgba(94, 184, 212, 0.07),
    400px 320px 0 1px rgba(61, 214, 140, 0.09),
    600px 50px 0 1px rgba(94, 184, 212, 0.12),
    250px 150px 0 1px rgba(61, 214, 140, 0.05);
}

@keyframes particle-drift {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) translateX(50px); opacity: 0; }
}

.eden-engine-site .hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem;
}

.eden-engine-site .hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
}

.eden-engine-site .hero h1 {
  color: #e6f1ef;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.eden-engine-site .hero .text-gradient {
  background: linear-gradient(135deg, #3dd68c, #5eb8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eden-engine-site .hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.65);
  max-width: 540px;
  margin-bottom: 2rem;
}

.eden-engine-site .hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.eden-engine-site .hero .btn-primary {
  background: rgba(255, 255, 255, 0.95);
  color: #0b1110;
  backdrop-filter: blur(8px);
}

.eden-engine-site .hero .btn-primary:hover {
  background: #e6f1ef;
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.12);
}

.eden-engine-site .hero .btn-secondary {
  border-color: rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
}

.eden-engine-site .hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.eden-engine-site .hero-proof {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.eden-engine-site .proof-item {
  display: flex;
  flex-direction: column;
}

.eden-engine-site .proof-number {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: #e6f1ef;
}

.eden-engine-site .proof-label {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eden-engine-site .proof-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual / Molecule */
.eden-engine-site .hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.eden-engine-site .hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 214, 140, 0.12) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.eden-engine-site .molecule-animation {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 1;
}

.eden-engine-site .molecule-stage {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.eden-engine-site .molecule {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  min-width: 80px;
}

.eden-engine-site .molecule .atom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.eden-engine-site .atom.carbon { background: rgba(100, 100, 100, 0.4); color: #ccc; }
.eden-engine-site .atom.oxygen { background: rgba(220, 50, 50, 0.3); color: #f88; }
.eden-engine-site .atom.hydrogen { background: rgba(100, 200, 255, 0.3); color: #8df; }

.eden-engine-site .molecule-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.eden-engine-site .glucose .atom {
  width: 36px;
  height: 36px;
  font-size: 0.6rem;
}

.eden-engine-site .conversion-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: rgba(255, 255, 255, 0.3);
}

.eden-engine-site .conversion-arrow svg {
  width: 40px;
  height: 16px;
}

.eden-engine-site .conversion-arrow span {
  font-size: 0.6rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.eden-engine-site .hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
  animation: bob 2s ease-in-out infinite;
}

.eden-engine-site .hero-scroll-indicator svg {
  width: 20px;
  height: 20px;
}

@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- SUMMARY SECTION ---------- */
.eden-engine-site .summary-section {
  padding: 5rem 0;
  background: var(--bg);
}

.eden-engine-site .summary-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.eden-engine-site .summary-card h2 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.eden-engine-site .summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.eden-engine-site .summary-item {
  text-align: center;
}

.eden-engine-site .summary-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  color: var(--accent-green);
}

.eden-engine-site .summary-icon svg {
  width: 100%;
  height: 100%;
}

.eden-engine-site .summary-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.eden-engine-site .summary-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- HOW IT WORKS / PROCESS ---------- */
.eden-engine-site .process-steps {
  max-width: 900px;
  margin: 0 auto;
}

.eden-engine-site .process-step {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.eden-engine-site .step-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.eden-engine-site .step-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--border);
  font-family: var(--font-mono);
  line-height: 1;
}

.eden-engine-site .step-icon {
  width: 80px;
  height: 80px;
}

.eden-engine-site .step-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.eden-engine-site .step-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.65;
}

.eden-engine-site .step-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.eden-engine-site .step-details li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.eden-engine-site .step-details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  opacity: 0.5;
}

.eden-engine-site .process-connector {
  display: flex;
  justify-content: center;
  padding: 1rem 0;
  margin-left: 100px;
}

.eden-engine-site .process-connector svg {
  width: 2px;
  height: 40px;
}

.eden-engine-site .process-equation {
  margin-top: 3rem;
  text-align: center;
}

.eden-engine-site .equation-box {
  display: inline-block;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.5rem 2.5rem;
}

.eden-engine-site .equation-box code {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent-green);
  display: block;
  margin-bottom: 0.5rem;
}

.eden-engine-site .equation-box p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ---------- SYSTEM ARCHITECTURE (NEW) ---------- */
.eden-engine-site .diagram-frame {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: 0 0 60px rgba(61, 214, 140, 0.04), var(--shadow-card);
  min-height: 300px;
  position: relative;
}

.eden-engine-site .diagram-img {
  width: 100%;
  height: auto;
  display: block;
}

.eden-engine-site .diagram-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-light);
  gap: 0.75rem;
  padding: 2rem;
}

.eden-engine-site .diagram-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}

.eden-engine-site .diagram-placeholder span {
  font-size: 1.1rem;
  font-weight: 600;
}

.eden-engine-site .diagram-hint {
  font-size: 0.8rem !important;
  font-weight: 400 !important;
  opacity: 0.5;
  font-family: var(--font-mono);
}

/* ---------- VISION STATEMENT (NEW) ---------- */
.eden-engine-site .vision-section {
  position: relative;
  padding: 8rem 0;
  background: #060d0a;
  overflow: hidden;
  text-align: center;
}

.eden-engine-site .vision-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(61, 214, 140, 0.06) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.eden-engine-site .vision-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.eden-engine-site .vision-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: #e6f1ef;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.eden-engine-site .vision-subtext {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: rgba(230, 241, 239, 0.4);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ---------- BENEFITS ---------- */
.eden-engine-site .benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.eden-engine-site .benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}

.eden-engine-site .benefit-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.eden-engine-site .benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.eden-engine-site .benefit-icon svg {
  width: 22px;
  height: 22px;
}

.eden-engine-site .benefit-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.eden-engine-site .benefit-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- ROADMAP ---------- */
.eden-engine-site .roadmap-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.eden-engine-site .timeline-line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.eden-engine-site .roadmap-phase {
  position: relative;
  padding-left: 56px;
  padding-bottom: 2.5rem;
}

.eden-engine-site .phase-marker {
  position: absolute;
  left: 12px;
  top: 0;
}

.eden-engine-site .phase-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  transition: all var(--transition);
}

.eden-engine-site .phase-active .phase-dot {
  background: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 0 4px var(--accent-green-bg);
}

.eden-engine-site .phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 2rem;
}

.eden-engine-site .phase-active .phase-card {
  border-color: var(--accent-green);
  box-shadow: 0 4px 24px rgba(61, 214, 140, 0.06);
}

.eden-engine-site .phase-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  background: var(--accent-green-bg);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

.eden-engine-site .phase-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.eden-engine-site .phase-card > p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.eden-engine-site .phase-targets {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.eden-engine-site .target {
  display: flex;
  flex-direction: column;
}

.eden-engine-site .target-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
}

.eden-engine-site .target-value {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-green);
}

.eden-engine-site .phase-deliverables h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.eden-engine-site .phase-deliverables ul {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.eden-engine-site .phase-deliverables li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.eden-engine-site .phase-deliverables li::before {
  content: '~';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-family: var(--font-mono);
}

.eden-engine-site .roadmap-cta {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.eden-engine-site .roadmap-cta p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* ---------- DIGITAL TWIN ---------- */
.eden-engine-site .twin-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.eden-engine-site .twin-text .section-label {
  text-align: left;
}

.eden-engine-site .twin-text h2 {
  margin-bottom: 1rem;
}

.eden-engine-site .twin-text > p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.eden-engine-site .twin-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.eden-engine-site .twin-features li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.eden-engine-site .twin-features li strong {
  color: var(--text);
}

.eden-engine-site .twin-actions {
  display: flex;
  gap: 1rem;
}

.eden-engine-site .twin-preview {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eden-engine-site .code-window {
  border-radius: var(--radius);
  overflow: hidden;
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.eden-engine-site .code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.eden-engine-site .code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.eden-engine-site .code-dot.red { background: #ff5f57; }
.eden-engine-site .code-dot.yellow { background: #febc2e; }
.eden-engine-site .code-dot.green { background: #28c840; }

.eden-engine-site .code-title {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--font-mono);
}

.eden-engine-site .code-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: #c5c8d6;
  overflow-x: auto;
}

.eden-engine-site .code-comment { color: #6a6f8a; }
.eden-engine-site .code-keyword { color: #c792ea; }
.eden-engine-site .code-number { color: #f78c6c; }
.eden-engine-site .code-string { color: #c3e88d; }

.eden-engine-site .twin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.eden-engine-site .twin-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
}

.eden-engine-site .stat-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-green);
}

.eden-engine-site .stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
}

/* ---------- FAQ ---------- */
.eden-engine-site .faq-grid {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.eden-engine-site .faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-card);
  transition: all var(--transition);
}

.eden-engine-site .faq-item[open] {
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}

.eden-engine-site .faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  color: var(--text);
  transition: color var(--transition);
}

.eden-engine-site .faq-item summary::-webkit-details-marker { display: none; }

.eden-engine-site .faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--text-light);
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform var(--transition);
}

.eden-engine-site .faq-item[open] summary::after {
  content: '\2212';
}

.eden-engine-site .faq-answer {
  padding: 0 1.5rem 1.25rem;
}

.eden-engine-site .faq-answer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ---------- JOURNAL ---------- */
.eden-engine-site .journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.eden-engine-site .journal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.eden-engine-site .journal-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.eden-engine-site .journal-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.eden-engine-site .journal-tag {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  background: var(--accent-green-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.eden-engine-site .journal-meta time {
  font-size: 0.8rem;
  color: var(--text-light);
}

.eden-engine-site .journal-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.eden-engine-site .journal-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.eden-engine-site .journal-link {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 1rem;
  display: inline-block;
}

.eden-engine-site .journal-cta {
  text-align: center;
  margin-top: 2rem;
}

/* ---------- ABOUT ---------- */
.eden-engine-site .about-layout {
  max-width: 640px;
  margin: 0 auto;
}

.eden-engine-site .about-text .section-label {
  text-align: left;
}

.eden-engine-site .about-text h2 {
  margin-bottom: 1rem;
}

.eden-engine-site .about-text p {
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.eden-engine-site .about-text .btn {
  margin-top: 0.5rem;
}

/* ---------- COLLABORATE ---------- */
.eden-engine-site .collaborate-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.eden-engine-site .collaborate-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.eden-engine-site .collab-card {
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

.eden-engine-site .collab-card h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.eden-engine-site .collab-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.eden-engine-site .collaborate-form {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 2rem;
}

.eden-engine-site .form-group {
  margin-bottom: 1.25rem;
}

.eden-engine-site .form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.eden-engine-site .form-group input,
.eden-engine-site .form-group select,
.eden-engine-site .form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
}

.eden-engine-site .form-group input:focus,
.eden-engine-site .form-group select:focus,
.eden-engine-site .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px var(--accent-green-bg);
}

.eden-engine-site .form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.eden-engine-site .form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.75rem;
}

/* ---------- NEWSLETTER ---------- */
.eden-engine-site .newsletter-section {
  padding: 4rem 0;
  background: var(--bg);
}

.eden-engine-site .newsletter-box {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  color: #e6f1ef;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.eden-engine-site .newsletter-box h2 {
  color: #e6f1ef;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.eden-engine-site .newsletter-box p {
  color: rgba(230, 241, 239, 0.6);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.eden-engine-site .newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.eden-engine-site .newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: #e6f1ef;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.eden-engine-site .newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.eden-engine-site .newsletter-form input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
}

.eden-engine-site .newsletter-form .btn-primary {
  background: rgba(255, 255, 255, 0.9);
  color: #0b1110;
  flex-shrink: 0;
}

.eden-engine-site .newsletter-form .btn-primary:hover {
  background: #e6f1ef;
}

/* ---------- FOOTER ---------- */
.eden-engine-site .site-footer {
  background: var(--bg-dark);
  color: rgba(230, 241, 239, 0.5);
  padding: 4rem 0 2rem;
}

.eden-engine-site .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.eden-engine-site .footer-brand .nav-logo {
  color: #e6f1ef;
  margin-bottom: 0.75rem;
}

.eden-engine-site .footer-brand .logo-icon {
  color: var(--accent-green);
}

.eden-engine-site .footer-brand p {
  font-size: 0.85rem;
  color: rgba(230, 241, 239, 0.3);
  line-height: 1.6;
}

.eden-engine-site .footer-links h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(230, 241, 239, 0.7);
  margin-bottom: 1rem;
}

.eden-engine-site .footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.eden-engine-site .footer-links a {
  font-size: 0.85rem;
  color: rgba(230, 241, 239, 0.35);
  transition: color var(--transition);
}

.eden-engine-site .footer-links a:hover {
  color: #e6f1ef;
}

.eden-engine-site .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(230, 241, 239, 0.2);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 968px) {
  .eden-engine-site {
    --section-pad: 4rem;
  }

  .eden-engine-site .hero-content {
    grid-template-columns: 1fr;
    padding: 3rem 1.5rem;
  }

  .eden-engine-site .hero-visual {
    display: none;
  }

  .eden-engine-site .twin-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .eden-engine-site .collaborate-layout {
    grid-template-columns: 1fr;
  }

  .eden-engine-site .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .eden-engine-site .nav-toggle {
    display: flex;
  }

  .eden-engine-site .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--nav-mobile-bg);
    border-bottom: 1px solid var(--border-light);
    padding: 1rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  }

  .eden-engine-site .nav-links.active {
    display: flex;
  }

  .eden-engine-site .nav-links a {
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .eden-engine-site .nav-cta {
    margin-left: 0;
    text-align: center;
    margin-top: 0.5rem;
  }

  .eden-engine-site .summary-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .eden-engine-site .process-step {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .eden-engine-site .step-visual {
    flex-direction: row;
    justify-content: flex-start;
    gap: 1rem;
  }

  .eden-engine-site .process-connector {
    margin-left: 0;
  }

  .eden-engine-site .benefits-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .eden-engine-site .journal-grid {
    grid-template-columns: 1fr;
  }

  .eden-engine-site .hero-proof {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .eden-engine-site .proof-divider {
    display: none;
  }

  .eden-engine-site .hero-actions {
    flex-direction: column;
  }

  .eden-engine-site .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .eden-engine-site .newsletter-form {
    flex-direction: column;
  }

  .eden-engine-site .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .eden-engine-site .twin-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .eden-engine-site .phase-targets {
    flex-direction: column;
    gap: 0.75rem;
  }

  .eden-engine-site .vision-section {
    padding: 5rem 0;
  }
}

@media (max-width: 480px) {
  .eden-engine-site .summary-card {
    padding: 2rem 1.25rem;
  }

  .eden-engine-site .phase-card {
    padding: 1.25rem;
  }

  .eden-engine-site .collaborate-form {
    padding: 1.25rem;
  }

  .eden-engine-site .newsletter-box {
    padding: 2rem 1.25rem;
  }

  .eden-engine-site .molecule-animation {
    padding: 1.5rem 1rem;
  }
}

/* ---------- ANIMATIONS ---------- */
@media (prefers-reduced-motion: no-preference) {
  .eden-engine-site .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }

  .eden-engine-site .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Accessible focus styles */
.eden-engine-site :focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .eden-engine-site .site-header,
  .eden-engine-site .hero-scroll-indicator,
  .eden-engine-site .newsletter-section,
  .eden-engine-site .nav-toggle,
  .eden-engine-site .theme-toggle,
  .eden-engine-site .hero-particles {
    display: none;
  }

  .eden-engine-site .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .eden-engine-site {
    color: #000;
    background: #fff;
  }
}