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

    :root {
      --black: #0a0a0a;
      --text: #111111;
      --muted: #666666;
      --light-muted: #888888;
      --border: #e8e8e8;
      --soft: #f7f7f7;
      --white: #ffffff;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: #ffffff;
      font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 300;
      color: var(--text);
      line-height: 1.6;
      padding: 2rem 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* =========================================================
       BACKGROUND
       ========================================================= */

    #bg-canvas {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      pointer-events: none;
      opacity: 0.18;
    }

    /* =========================================================
       TYPOGRAPHY
       ========================================================= */

    h1,
    h2,
    h3,
    p {
      font-weight: 300;
    }

    a {
      color: inherit;
    }

    .section-tag {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: #888;
      margin-bottom: 0.7rem;
      font-weight: 400;
    }

    /* =========================================================
       HEADER
       ========================================================= */

    .header-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 0.5rem;
      position: relative;
      z-index: 2;
    }

    .logo-link {
      display: inline-block;
      line-height: 0;
    }

    .logo-image {
      display: block;
      height: 1.2rem;
      width: auto;
      max-height: 1.5rem;
    }

    .social-buttons {
      display: flex;
      gap: 0.5rem;
      flex-shrink: 0;
    }

    .social-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2.4rem;
      height: 2.4rem;
      border-radius: 9999px;
      background-color: #e8e8e8;
      color: #222;
      text-decoration: none;
      font-size: 1rem;
      transition: background-color 0.2s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .social-btn:hover {
      background-color: #d0d0d0;
      transform: translateY(-1px);
    }

    /* =========================================================
       NAVIGATION
       ========================================================= */

    .site-subtitle {
      font-size: 1.2rem;
      color: #555;
      margin-bottom: 1.2rem;
      border-bottom: 1px solid var(--border);
      padding-bottom: 1.5rem;
      position: relative;
      z-index: 1;
    }

    .nav-buttons {
      display: flex;
      gap: 0.8rem;
      margin-bottom: 5rem;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }

    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.65rem 1.5rem;
      background-color: var(--black);
      color: #fff;
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 400;
      letter-spacing: 0.02em;
      border-radius: 0.5rem;
      transition: background-color 0.2s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .nav-btn:hover {
      background-color: #292929;
      transform: translateY(-1px);
    }

    .nav-btn.secondary {
      background-color: #f1f1f1;
      color: #111;
    }

    .nav-btn.secondary:hover {
      background-color: #e5e5e5;
    }

    /* =========================================================
       HERO
       ========================================================= */

    .hero {
      position: relative;
      z-index: 1;
      margin-bottom: 8rem;
    }

    .hero-eyebrow {
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.13em;
      color: #888;
      margin-bottom: 1rem;
    }

    .hero-title {
      font-size: clamp(3.2rem, 8vw, 6.5rem);
      line-height: 0.95;
      letter-spacing: -0.055em;
      font-weight: 300;
      max-width: 1000px;
      margin-bottom: 2rem;
    }

    .hero-title strong {
      font-weight: 500;
    }

    .hero-description {
      max-width: 760px;
      font-size: 1.35rem;
      line-height: 1.6;
      color: #333;
      margin-bottom: 2rem;
    }

    .hero-note {
      max-width: 720px;
      font-size: 1rem;
      color: #777;
      border-left: 2px solid #ddd;
      padding-left: 1rem;
    }

    /* =========================================================
       SECTION BASE
       ========================================================= */

    .content-section {
      position: relative;
      z-index: 1;
      margin-bottom: 8rem;
    }

    .section-title {
      font-size: clamp(2rem, 5vw, 3.4rem);
      line-height: 1.05;
      letter-spacing: -0.04em;
      margin-bottom: 1.2rem;
      font-weight: 300;
    }

    .section-description {
      max-width: 760px;
      font-size: 1.1rem;
      color: #444;
      margin-bottom: 2.5rem;
    }

    /* =========================================================
       INTRO
       ========================================================= */

    .intro-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }

    .intro-card {
      border-top: 1px solid #ccc;
      padding-top: 1.3rem;
    }

    .intro-card h3 {
      font-size: 1.5rem;
      margin-bottom: 0.6rem;
      font-weight: 400;
    }

    .intro-card p {
      color: #666;
      font-size: 1rem;
    }

    /* =========================================================
       GOVERNANCE LIFECYCLE
       ========================================================= */

    .lifecycle {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid #ddd;
      border-left: 1px solid #ddd;
    }

    .lifecycle-item {
      min-height: 190px;
      padding: 1.5rem;
      border-right: 1px solid #ddd;
      border-bottom: 1px solid #ddd;
      background: rgba(255, 255, 255, 0.75);
    }

    .lifecycle-number {
      font-size: 0.75rem;
      color: #999;
      margin-bottom: 1.2rem;
      letter-spacing: 0.08em;
    }

    .lifecycle-item h3 {
      font-size: 1.25rem;
      font-weight: 400;
      margin-bottom: 0.6rem;
    }

    .lifecycle-item p {
      color: #666;
      font-size: 0.92rem;
      line-height: 1.55;
    }

    /* =========================================================
       EVALUATION
       ========================================================= */

    .evaluation-flow {
      border-top: 1px solid #ddd;
      border-bottom: 1px solid #ddd;
    }

    .evaluation-step {
      display: grid;
      grid-template-columns: 80px 220px 1fr;
      gap: 1.5rem;
      align-items: start;
      padding: 1.3rem 0;
      border-bottom: 1px solid #eee;
    }

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

    .evaluation-number {
      color: #999;
      font-size: 0.8rem;
    }

    .evaluation-name {
      font-size: 1.05rem;
      font-weight: 400;
    }

    .evaluation-description {
      color: #666;
      font-size: 0.95rem;
    }

    /* =========================================================
       OUTPUT
       ========================================================= */

    .output-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
    }

    .output-card {
      padding: 1.5rem;
      background: #f7f7f7;
      border: 1px solid #eaeaea;
      border-radius: 10px;
    }

    .output-card h3 {
      font-size: 1.2rem;
      font-weight: 400;
      margin-bottom: 0.5rem;
    }

    .output-card p {
      color: #666;
      font-size: 0.92rem;
    }

    /* =========================================================
       VALIDATION
       ========================================================= */

    .validation-box {
      border: 1px solid #ddd;
      border-radius: 12px;
      padding: 2rem;
      background: rgba(255, 255, 255, 0.8);
    }

    .validation-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      margin-top: 2rem;
    }

    .validation-stat {
      border-top: 1px solid #ccc;
      padding-top: 1rem;
    }

    .validation-stat .value {
      font-size: 2.5rem;
      font-weight: 300;
      letter-spacing: -0.04em;
    }

    .validation-stat .label {
      display: block;
      color: #777;
      font-size: 0.85rem;
      margin-top: 0.2rem;
    }

    /* =========================================================
       ORCHESTRATION
       ========================================================= */

    .architecture {
      border: 1px solid #ddd;
      border-radius: 12px;
      padding: 2rem;
      background: rgba(255, 255, 255, 0.78);
    }

    .architecture-layer {
      padding: 1.4rem;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      background: #fff;
      text-align: center;
    }

    .architecture-layer h3 {
      font-size: 1.1rem;
      font-weight: 400;
      margin-bottom: 0.4rem;
    }

    .architecture-layer p {
      color: #777;
      font-size: 0.9rem;
    }

    .architecture-arrow {
      text-align: center;
      padding: 0.7rem;
      color: #999;
      font-size: 1.1rem;
    }

    /* =========================================================
       EXAMPLE
       ========================================================= */

    .example {
      border-top: 1px solid #ccc;
      padding-top: 2rem;
    }

    .example-title {
      font-size: 2rem;
      font-weight: 300;
      margin-bottom: 1rem;
    }

    .example-description {
      max-width: 760px;
      color: #555;
      font-size: 1.05rem;
      margin-bottom: 2rem;
    }

    .example-steps {
      list-style: none;
      border-top: 1px solid #ddd;
    }

    .example-steps li {
      display: grid;
      grid-template-columns: 50px 170px 1fr;
      gap: 1rem;
      padding: 1.1rem 0;
      border-bottom: 1px solid #eee;
    }

    .example-step-number {
      color: #999;
      font-size: 0.8rem;
    }

    .example-step-title {
      font-weight: 400;
    }

    .example-step-description {
      color: #666;
      font-size: 0.92rem;
    }

    /* =========================================================
       INTEGRATION
       ========================================================= */

    .integration-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.2rem;
    }

    .integration-card {
      border-top: 1px solid #ccc;
      padding-top: 1.2rem;
    }

    .integration-card h3 {
      font-size: 1.25rem;
      font-weight: 400;
      margin-bottom: 0.5rem;
    }

    .integration-card p {
      color: #666;
      font-size: 0.92rem;
    }

    /* =========================================================
       DOCUMENTATION CTA
       ========================================================= */

    .docs-cta {
      background: #0a0a0a;
      color: #fff;
      border-radius: 14px;
      padding: 3rem;
    }

    .docs-cta .section-tag {
      color: #999;
    }

    .docs-cta .section-title {
      max-width: 700px;
      margin-bottom: 1rem;
    }

    .docs-cta p {
      color: #bbb;
      max-width: 700px;
      margin-bottom: 1.8rem;
    }

    .docs-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      background: #fff;
      color: #111;
      text-decoration: none;
      padding: 0.75rem 1.4rem;
      border-radius: 7px;
      font-size: 0.92rem;
      font-weight: 400;
      transition: opacity 0.2s ease;
    }

    .docs-btn:hover {
      opacity: 0.85;
    }

    /* =========================================================
       BIND BRAIN
       ========================================================= */

    .about-bindbrain {
      border-top: 1px solid #ddd;
      padding-top: 2rem;
    }

    .about-bindbrain p {
      max-width: 780px;
      color: #666;
      font-size: 1rem;
    }

    .about-bindbrain strong {
      color: #222;
      font-weight: 400;
    }

    /* =========================================================
       CONTACT
       ========================================================= */

    .contact-section {
      margin-top: 6rem;
      padding-top: 2.5rem;
      border-top: 1px solid #eee;
      position: relative;
      z-index: 1;
    }

    .contact-line {
      font-size: 2rem;
      font-weight: 300;
      letter-spacing: -0.025em;
      margin-bottom: 0.8rem;
    }

    .contact-description {
      color: #777;
      max-width: 600px;
      margin-bottom: 1.2rem;
    }

    .contact-email {
      display: inline-block;
      font-size: 1.35rem;
      font-weight: 300;
      color: #111;
      text-decoration: none;
      border-bottom: 1px solid #ccc;
      padding-bottom: 0.1rem;
    }

    .contact-email:hover {
      border-bottom-color: #111;
    }

    .footer-meta {
      margin-top: 2rem;
      color: #999;
      font-size: 0.8rem;
    }

    /* =========================================================
       NEWSLETTER MODAL
       ========================================================= */

    .newsletter-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1000;
      background: rgba(0, 0, 0, 0.4);
      backdrop-filter: blur(8px);
      justify-content: center;
      align-items: center;
    }

    .newsletter-modal.active {
      display: flex;
    }

    .newsletter-modal-content {
      position: relative;
      background: #ffffff;
      border-radius: 16px;
      padding: 2.5rem;
      max-width: 520px;
      width: 90%;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
      border: 1px solid #ececec;
    }

    .newsletter-close {
      position: absolute;
      top: 12px;
      right: 16px;
      background: none;
      border: none;
      font-size: 28px;
      cursor: pointer;
      color: #999;
      line-height: 1;
      padding: 4px 8px;
    }

    .newsletter-close:hover {
      color: #333;
    }

    .newsletter-form {
      margin-top: 0.5rem;
    }

    .newsletter-form .form-title {
      font-size: 1.8rem;
      font-weight: 500;
      color: #0a0a0a;
      margin-bottom: 0.5rem;
      letter-spacing: -0.02em;
    }

    .newsletter-form .form-subtitle {
      font-size: 1rem;
      font-weight: 300;
      color: #666;
      margin-bottom: 1.5rem;
      line-height: 1.6;
    }

    .newsletter-form .form-group {
      margin-bottom: 1rem;
    }

    .newsletter-form input[type="email"] {
      width: 100%;
      padding: 0.9rem 1rem;
      font-family: inherit;
      font-size: 1rem;
      font-weight: 300;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      background: #fafafa;
      color: #1a1a1a;
      outline: none;
    }

    .newsletter-form input[type="email"]:focus {
      border-color: #0a0a0a;
      box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.05);
      background: #fff;
    }

    .newsletter-form .submit-btn {
      width: 100%;
      padding: 0.9rem 1.5rem;
      font-family: inherit;
      font-size: 1rem;
      font-weight: 500;
      color: #fff;
      background: #0a0a0a;
      border: none;
      border-radius: 8px;
      cursor: pointer;
    }

    .newsletter-form .submit-btn:hover {
      background: #222;
    }

    .newsletter-form .guarantee {
      font-size: 0.8rem;
      font-weight: 300;
      color: #999;
      text-align: center;
      margin-top: 1rem;
    }

    .newsletter-form .success-message,
    .newsletter-form .error-message {
      display: none;
      padding: 1rem;
      border-radius: 8px;
      margin-top: 1rem;
      font-size: 0.9rem;
    }

    .newsletter-form .success-message {
      background: #f0f7f0;
      border: 1px solid #d0e0d0;
      color: #2d5a2d;
    }

    .newsletter-form .error-message {
      background: #fdf0ed;
      border: 1px solid #f5d0c8;
      color: #a04030;
    }

    /* =========================================================
       RESPONSIVE
       ========================================================= */

    @media (max-width: 850px) {
      .lifecycle {
        grid-template-columns: repeat(2, 1fr);
      }

      .output-grid,
      .integration-grid {
        grid-template-columns: 1fr;
      }

      .validation-stats {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 650px) {
      body {
        padding: 1.5rem 1rem;
      }

      .header-row {
        gap: 1rem;
      }

      .logo-image {
        height: 1rem;
      }

      .hero {
        margin-bottom: 5rem;
      }

      .hero-title {
        font-size: 3rem;
      }

      .hero-description {
        font-size: 1.1rem;
      }

      .content-section {
        margin-bottom: 5rem;
      }

      .intro-grid,
      .lifecycle {
        grid-template-columns: 1fr;
      }

      .evaluation-step {
        grid-template-columns: 45px 1fr;
      }

      .evaluation-description {
        grid-column: 2;
      }

      .example-steps li {
        grid-template-columns: 40px 1fr;
      }

      .example-step-description {
        grid-column: 2;
      }

      .docs-cta {
        padding: 2rem;
      }

      .newsletter-modal-content {
        padding: 1.5rem;
      }
    }
	
	
/* =========================================================
   HERO LAYOUT
   ========================================================= */

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: 3rem;
  align-items: center;
  margin-top: 0.5rem;
}

.hero-copy {
  min-width: 0;
}

.hero-description {
  max-width: 650px;
  font-size: 1.2rem;
  line-height: 1.65;
  color: #333;
  margin-bottom: 1.5rem;
}

.hero-note {
  max-width: 650px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: #777;
  border-left: 2px solid #ddd;
  padding-left: 1rem;
  margin-bottom: 0;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.hero-dashboard {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  object-fit: contain;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.07);
}

/* =========================================================
   RESPONSIVE HERO
   ========================================================= */

@media (max-width: 850px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    gap: 2rem;
  }

  .hero-description {
    font-size: 1.1rem;
  }

  .hero-dashboard {
    max-width: 100%;
  }
}

@media (max-width: 650px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-description {
    font-size: 1.1rem;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .hero-dashboard {
    max-width: 100%;
  }
}

/* HERO: desktop and mobile layout */
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  align-items: center;
  gap: 3rem;
}

@media screen and (max-width: 850px) {
  .hero-layout {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  .hero-copy {
    width: 100%;
    min-width: 0;
  }

  .hero-visual {
    display: flex;
    width: 100%;
    justify-content: center;
  }

  .hero-dashboard {
    display: block;
    width: 100%;
    max-width: 480px;
    height: auto;
  }
}



/* =======================================================
   RESPONSIVE MOBILE NAVIGATION
   ======================================================= */

/* Desktop: show navigation links, hide hamburger */
.mobile-menu-toggle {
  display: none;
}

.nav-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

/* Mobile and small tablets */
@media screen and (max-width: 650px) {
  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0 0 1rem auto;
    padding: 0;
    border: 1px solid var(--border, #333);
    border-radius: 8px;
    background: var(--soft, #171717);
    color: var(--text, #fff);
    font-size: 1.2rem;
    cursor: pointer;
  }

  .nav-buttons {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    width: 100%;
    margin: 0 auto 2rem;
  }

  .nav-buttons.is-open {
    display: flex;
  }

  .nav-buttons .nav-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    box-sizing: border-box;
    width: 100%;
    min-height: 44px;
    text-align: left;
  }
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: 2.5rem;
}

.hero-visual {
  width: 100%;
  min-width: 0;
}

.hero-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border, #333);
  background: #000;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.hero-video iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

@media screen and (max-width: 850px) {
  .hero-layout {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  .hero-visual {
    width: 100%;
  }

  .hero-video {
    width: 100%;
  }
}

/* Clickable hero video preview */
.hero-video-preview {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border, #333);
  border-radius: 16px;
  background: #000;
  cursor: pointer;
  color: #fff;
  text-align: left;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.hero-video-preview img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.hero-video-preview:hover img {
  transform: scale(1.035);
}

.video-play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 68px;
  height: 48px;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  background: #f00;
  border-radius: 14px;
  font-size: 22px;
  transition: background 0.2s ease;
}

.hero-video-preview:hover .video-play-button {
  background: #c00;
}

.video-preview-label {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 34px 16px 14px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  font-size: 14px;
  font-weight: 600;
}


/* Video modal */
dialog.video-modal {
  box-sizing: border-box;
  position: fixed;
  width: min(1000px, calc(100% - 32px));
  max-width: 1000px;
  max-height: calc(100vh - 32px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--border, #333);
  border-radius: 14px;
  overflow: auto;
  background: #101010;
  color: #fff;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

dialog.video-modal[open] {
  display: block;
}

dialog.video-modal::backdrop {
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(5px);
}

.video-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
}

.video-modal-close {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #fff;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.video-modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.video-modal-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-modal-player iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 600px) {
  dialog.video-modal {
    width: calc(100% - 20px);
    max-height: calc(100vh - 20px);
    border-radius: 10px;
  }

  .video-modal-header {
    padding: 8px 10px;
    font-size: 12px;
  }
}