:root {
    --ink: #15152E;
    --ink-soft: #41415F;
    --periwinkle: #6060C8;
    --periwinkle-700: #4B4BA8;
    --periwinkle-900: #24244F;
    --pink: #F2B8A8;
    --pink-deep: #E89A86;
    --paper: #F6F5FB;
    --mist: #E5E4F4;
    --white: #FFFFFF;
    --font: "Calibri", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --maxw: 1160px;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 18px;
  }

  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
  .wrap-wide { max-width: 1280px; margin: 0 auto; padding: 0 28px; }

  .eyebrow {
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.2em; color: var(--periwinkle); display: inline-block;
  }
  .eyebrow.on-dark { color: var(--pink); }

  h1, h2, h3, h4 { line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; }
  a { color: inherit; text-decoration: none; }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-flex; align-items: center; gap: 0.5em;
    font-weight: 700; font-size: 1rem;
    padding: 0.85em 1.5em; border-radius: 999px;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    cursor: pointer; border: none;
  }
  .btn-primary { background: var(--pink); color: var(--ink); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(242,184,168,0.45); background: var(--pink-deep); }
  .btn-ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,0.4); }
  .btn-ghost:hover { border-color: var(--pink); color: var(--pink); }
  .btn-dark { background: var(--periwinkle); color: var(--white); }
  .btn-dark:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(96,96,200,0.35); background: var(--periwinkle-700); }

  /* ---------- Nav ---------- */
  header.nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(36,36,79,0.94); backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
  .logo { font-size: 1.5rem; font-weight: 700; color: var(--white); letter-spacing: -0.03em; }
  .logo span { color: var(--pink); }
  .logo img { display: block; height: 30px; width: auto; }
  .nav-links { display: flex; gap: 26px; align-items: center; }
  .nav-links a { color: rgba(255,255,255,0.82); font-size: 0.92rem; font-weight: 600; transition: color 0.2s; white-space: nowrap; }
  .nav-links a:hover { color: var(--pink); }
  .nav-cta { padding: 0.6em 1.3em; font-size: 0.92rem; }
  .menu-toggle { display: none; background: none; border: none; color: white; font-size: 1.6rem; cursor: pointer; }

  /* ---------- Hero ---------- */
  .hero {
    position: relative; overflow: hidden;
    background:
      radial-gradient(1100px 520px at 78% -8%, rgba(242,184,168,0.22), transparent 60%),
      linear-gradient(160deg, var(--periwinkle-900) 0%, var(--periwinkle-700) 55%, var(--periwinkle) 100%);
    color: var(--white);
    padding: 92px 0 108px;
  }
  .hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
  .hero h1 { font-size: clamp(2.5rem, 5vw, 3.9rem); margin: 20px 0 0; }
  .hero .lead {
    font-size: 1.22rem; color: rgba(255,255,255,0.88);
    max-width: 40ch; margin: 24px 0 34px; line-height: 1.55;
  }
  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
  .hero-note { margin-top: 26px; font-size: 0.92rem; color: rgba(255,255,255,0.6); }

  .wave { display: flex; align-items: flex-end; gap: 6px; height: 260px; justify-content: center; }
  .wave i {
    display: block; width: 10px; border-radius: 6px;
    background: linear-gradient(180deg, var(--pink), rgba(242,184,168,0.35));
    animation: pulse 1.8s ease-in-out infinite;
  }
  @keyframes pulse { 0%,100% { transform: scaleY(0.35); } 50% { transform: scaleY(1); } }
  @media (prefers-reduced-motion: reduce) { .wave i { animation: none; } }

  /* ---------- Sections ---------- */
  section { padding: 90px 0; }
  .section-head { max-width: 62ch; }
  .section-head .kicker { display:block; font-size: 1.35rem; font-weight: 700; color: var(--ink-soft); margin-top: 14px; }
  .section-head h2 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); margin: 8px 0 0; }
  .section-head p { color: var(--ink-soft); font-size: 1.14rem; margin-top: 18px; }

  .bg-paper { background: var(--paper); }
  .bg-dark { background: linear-gradient(165deg, var(--periwinkle-900), var(--periwinkle-700)); color: var(--white); }
  .bg-dark .section-head p { color: rgba(255,255,255,0.82); }
  .bg-dark .section-head .kicker { color: rgba(255,255,255,0.75); }

  /* ---------- Problem section ---------- */
  .problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 52px; }
  .problem-card {
    background: var(--white); border: 1px solid var(--mist); border-radius: 16px; padding: 28px;
  }
  .problem-card h4 { font-size: 1.08rem; color: var(--ink); }
  .problem-stat { margin-top: 56px; display: flex; gap: 48px; align-items: center; flex-wrap: wrap; }
  .problem-stat .big { font-size: 3.4rem; font-weight: 700; color: var(--periwinkle); letter-spacing: -0.03em; }
  .problem-stat .txt { max-width: 40ch; color: var(--ink-soft); font-size: 1.05rem; }

  /* ---------- Solution ---------- */
  .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 52px; align-items: start; }
  .solution-copy p { font-size: 1.14rem; color: var(--ink-soft); }
  .capability-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--mist); }
  .capability-list div {
    padding: 16px 0; border-bottom: 1px solid var(--mist);
    display: flex; align-items: center; gap: 14px; font-weight: 600; color: var(--ink);
  }
  .capability-list div::before {
    content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--pink); flex-shrink: 0;
  }

  /* ---------- Demo ---------- */
  .demo-video-section { }
  .video-frame {
    margin-top: 52px; border-radius: 20px; overflow: hidden;
    background: linear-gradient(135deg, var(--periwinkle-900), var(--periwinkle));
    aspect-ratio: 16/8; display: flex; align-items: center; justify-content: center;
    position: relative; border: 1px solid rgba(255,255,255,0.1);
  }
  .video-frame video {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; cursor: pointer;
  }
  .video-frame.is-playing .play-btn,
  .video-frame.is-playing .video-label { opacity: 0; pointer-events: none; }
  .play-btn {
    width: 84px; height: 84px; border-radius: 50%; background: var(--pink);
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35); transition: transform 0.2s, opacity 0.2s;
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2;
  }
  .play-btn:hover { transform: translate(-50%, -50%) scale(1.06); }
  .play-btn::after {
    content: ""; width: 0; height: 0; margin-left: 6px;
    border-top: 15px solid transparent; border-bottom: 15px solid transparent; border-left: 24px solid var(--ink);
  }
  .video-label {
    position: absolute; bottom: 22px; left: 28px; color: rgba(255,255,255,0.75);
    font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; transition: opacity 0.2s; z-index: 2;
  }
  .demo-traits { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 40px; }
  .demo-trait { text-align: center; }
  .demo-trait .n { font-size: 0.72rem; font-weight: 700; color: var(--periwinkle); letter-spacing: 0.14em; }
  .demo-trait p { font-size: 0.98rem; color: var(--ink-soft); margin-top: 8px; }

  /* ---------- Client value ---------- */
  .value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; }
  .value-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: 16px; padding: 30px 26px; }
  .value-card .num { font-size: 2.3rem; font-weight: 700; color: var(--pink); letter-spacing: -0.02em; line-height: 1; }
  .value-card h4 { font-size: 1.05rem; margin: 14px 0 8px; color: var(--white); }
  .value-card p { font-size: 0.95rem; color: rgba(255,255,255,0.75); }

  /* ---------- Differentiators ---------- */
  .diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin-top: 56px; background: var(--mist); border: 1px solid var(--mist); border-radius: 18px; overflow: hidden; }
  .diff { background: var(--white); padding: 36px 34px; }
  .diff .idx { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; color: var(--periwinkle); }
  .diff h3 { font-size: 1.3rem; margin: 14px 0 12px; }
  .diff p { color: var(--ink-soft); font-size: 1rem; }

  /* ---------- Architecture (signature) ---------- */
  .arch-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; }
  .arch-note { color: var(--ink-soft); font-size: 1.1rem; }
  .arch-stack { margin-top: 56px; display: flex; flex-direction: column; gap: 10px; }
  .arch-flow-icon { text-align: center; color: var(--periwinkle); font-size: 1.1rem; opacity: 0.5; }
  .layer {
    border-radius: 16px; padding: 26px 30px;
    display: grid; grid-template-columns: 200px 1fr; gap: 26px; align-items: center;
  }
  .layer .layer-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; }
  .layer h4 { font-size: 1.15rem; margin-bottom: 4px; letter-spacing: -0.01em; }
  .layer .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
  .layer .chips span { font-size: 0.8rem; font-weight: 600; padding: 5px 12px; border-radius: 999px; }

  .layer-customer { background: var(--paper); color: var(--ink); border: 1px solid var(--mist); }
  .layer-customer .layer-label { color: var(--periwinkle); }
  .layer-customer p { color: var(--ink-soft); font-size: 0.95rem; }
  .layer-customer .chips span { background: var(--white); color: var(--ink-soft); border: 1px solid var(--mist); }

  .layer-hub {
    background: linear-gradient(120deg, var(--periwinkle), var(--periwinkle-700));
    color: var(--white); border: 2px solid var(--pink);
    box-shadow: 0 20px 46px rgba(96,96,200,0.28);
  }
  .layer-hub .layer-label { color: var(--pink); }
  .layer-hub p { color: rgba(255,255,255,0.9); font-size: 0.95rem; font-weight: 600; }
  .layer-hub .chips span { background: rgba(255,255,255,0.16); color: var(--white); }

  .layer-components { background: var(--white); color: var(--ink); border: 2px dashed var(--periwinkle); }
  .layer-components .layer-label { color: var(--periwinkle); }
  .layer-components p { color: var(--ink-soft); font-size: 0.95rem; }
  .layer-components .chips span { background: var(--paper); color: var(--ink-soft); border: 1px solid var(--mist); }

  .layer-enterprise { background: var(--periwinkle-900); color: var(--white); }
  .layer-enterprise .layer-label { color: var(--pink); }
  .layer-enterprise p { color: rgba(255,255,255,0.85); font-size: 0.95rem; }
  .layer-enterprise .chips span { background: rgba(255,255,255,0.12); color: var(--white); }

  .arch-foot { text-align: center; margin-top: 34px; color: var(--ink-soft); font-size: 1.05rem; max-width: 64ch; margin-left: auto; margin-right: auto; }
  .arch-foot strong { color: var(--periwinkle); }

  /* ---------- Traction ---------- */
  .traction-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }
  .traction-card { background: var(--white); border: 1px solid var(--mist); border-radius: 16px; padding: 30px; }
  .traction-card h4 { font-size: 1.12rem; margin-bottom: 10px; }
  .traction-card p { color: var(--ink-soft); font-size: 0.98rem; }
  .traction-pull {
    margin-top: 44px; padding: 30px 36px; border-radius: 16px;
    background: var(--periwinkle-900); color: var(--white);
    font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em;
    border-left: none;
  }

  /* ---------- Security ---------- */
  .sec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 52px; }
  .sec-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: 16px; padding: 28px 24px; }
  .sec-card h4 { font-size: 1.02rem; color: var(--white); margin-bottom: 10px; }
  .sec-card p { font-size: 0.92rem; color: rgba(255,255,255,0.75); }

  /* ---------- Engagement model ---------- */
  .stage-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; }
  .stage {
    background: var(--white); border: 1px solid var(--mist); border-radius: 16px; padding: 28px 24px; position: relative;
  }
  .stage .stage-n { font-size: 0.75rem; font-weight: 700; color: var(--periwinkle); letter-spacing: 0.12em; }
  .stage h4 { font-size: 1.08rem; margin: 12px 0 10px; }
  .stage p { font-size: 0.92rem; color: var(--ink-soft); }
  .engage-note {
    margin-top: 36px; color: var(--ink-soft); font-size: 1rem; max-width: 76ch;
    padding-top: 28px; border-top: 1px solid var(--mist);
  }

  /* ---------- Industries ---------- */
  .industry-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 48px; }
  .industry-tabs button {
    font-family: var(--font); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.01em;
    padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--mist);
    background: var(--white); color: var(--ink-soft); cursor: pointer; transition: all 0.15s;
  }
  .industry-tabs button.active, .industry-tabs button:hover { background: var(--periwinkle); border-color: var(--periwinkle); color: var(--white); }
  .industry-panel {
    display: none; margin-top: 36px; background: var(--paper); border-radius: 20px; padding: 44px;
    grid-template-columns: 1fr 1fr; gap: 44px;
  }
  .industry-panel.active { display: grid; }
  .industry-panel .ind-eyebrow { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.16em; color: var(--periwinkle); }
  .industry-panel h3 { font-size: 1.6rem; margin: 12px 0 16px; }
  .industry-panel .quote { font-size: 1.08rem; color: var(--ink-soft); font-style: italic; margin-bottom: 16px; }
  .industry-panel .desc { font-size: 0.98rem; color: var(--ink-soft); margin-bottom: 16px; }
  .industry-panel .suitable { font-size: 0.9rem; color: var(--periwinkle-700); font-weight: 600; }
  .wf-list { list-style: none; }
  .wf-list li {
    padding: 11px 0 11px 26px; position: relative; font-size: 0.98rem; color: var(--ink);
    border-top: 1px solid var(--mist); font-weight: 600;
  }
  .wf-list li:first-child { border-top: none; }
  .wf-list li::before { content: ""; position: absolute; left: 0; top: 19px; width: 8px; height: 8px; border-radius: 50%; background: var(--pink); }

  /* ---------- Team ---------- */
  .team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 56px; }
  .team-card { background: var(--white); border: 1px solid var(--mist); border-radius: 18px; padding: 32px; }
  .avatar {
    width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(135deg, var(--periwinkle), var(--pink));
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-weight: 700; font-size: 1.15rem; margin-bottom: 20px;
  }
  .team-card h4 { font-size: 1.2rem; }
  .team-card .role { font-size: 0.75rem; font-weight: 700; color: var(--periwinkle); letter-spacing: 0.1em; text-transform: uppercase; margin: 6px 0 14px; }
  .team-card p { font-size: 0.95rem; color: var(--ink-soft); }

  .track-record {
    margin-top: 56px; padding: 40px; border-radius: 20px; background: var(--periwinkle-900); color: var(--white);
    display: grid; grid-template-columns: 100px 1fr; gap: 30px; align-items: start;
  }
  .track-record .avatar { margin: 0; }
  .track-record h4 { font-size: 1.15rem; margin-bottom: 4px; }
  .track-record .role { color: var(--pink); font-size: 0.85rem; font-weight: 700; margin-bottom: 14px; display:block; }
  .track-record p { color: rgba(255,255,255,0.85); font-size: 1rem; }

  /* ---------- Demo / CTA ---------- */
  .demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
  .demo h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); }
  .demo p.lead-cta { color: rgba(255,255,255,0.85); font-size: 1.15rem; margin-top: 18px; max-width: 42ch; }
  .contact-cards { display: flex; flex-direction: column; gap: 16px; margin-top: 36px; }
  .contact-card {
    background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.15); border-radius: 14px; padding: 20px 24px;
  }
  .contact-card h4 { font-size: 1.02rem; color: var(--white); }
  .contact-card .role { font-size: 0.8rem; color: var(--pink); font-weight: 700; margin: 4px 0 10px; }
  .contact-card a { display: block; font-size: 0.92rem; color: rgba(255,255,255,0.82); margin-top: 3px; }
  .contact-card a:hover { color: var(--pink); }

  .form { background: var(--white); border-radius: 20px; padding: 36px; box-shadow: 0 24px 60px rgba(20,20,46,0.28); }
  .form label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--ink); margin: 0 0 6px; letter-spacing: 0.02em; }
  .field { margin-bottom: 18px; }
  .form input, .form select, .form textarea {
    width: 100%; padding: 12px 14px; border: 1.5px solid var(--mist); border-radius: 10px;
    font-family: var(--font); font-size: 1rem; color: var(--ink); background: var(--paper);
  }
  .form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--periwinkle); background: var(--white); }
  .form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .form .btn { width: 100%; justify-content: center; margin-top: 6px; }

  /* ---------- Footer ---------- */
  footer { background: var(--periwinkle-900); color: rgba(255,255,255,0.72); padding: 56px 0 40px; }
  .foot-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .foot-bottom { padding-top: 26px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; font-size: 0.9rem; }
  .foot-bottom a { color: rgba(255,255,255,0.72); }
  .foot-bottom a:hover { color: var(--pink); }

  /* ---------- Disclosure flag styling (removable) ---------- */
  .flag {
    display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em;
    color: var(--pink-deep); background: rgba(242,184,168,0.15); border: 1px solid rgba(232,154,134,0.4);
    padding: 3px 10px; border-radius: 999px; margin-left: 10px; vertical-align: middle; text-transform: uppercase;
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 980px) {
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .hero-grid, .solution-grid, .arch-intro, .demo-grid, .track-record { grid-template-columns: 1fr; }
    .problem-grid { grid-template-columns: 1fr 1fr; }
    .value-grid { grid-template-columns: 1fr 1fr; }
    .diff-grid { grid-template-columns: 1fr; }
    .demo-traits { grid-template-columns: repeat(2, 1fr); }
    .sec-grid { grid-template-columns: 1fr 1fr; }
    .stage-row { grid-template-columns: 1fr 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .industry-panel { grid-template-columns: 1fr; }
    .layer { grid-template-columns: 1fr; gap: 12px; }
    section { padding: 64px 0; }
  }
  @media (max-width: 560px) {
    .problem-grid, .value-grid, .sec-grid, .stage-row { grid-template-columns: 1fr; }
    .form .two { grid-template-columns: 1fr; }
    .wave { height: 150px; }
  }