:root{
    --bg:#f1f4ff;
    --ink:#1c1f3a;
    --muted:#5a5f7e;
    --card:#ffffff;
    --violet:#7c4dff;
    --lime:#57b51a;
    --coral:#ff5c7c;
    --amber:#ff9f1c;
    --line:#e3e8ff;
    --shadow:0 10px 30px rgba(80, 90, 160, 0.10);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  .wrap{max-width:1120px;margin:0 auto;padding:0 22px;}

  /* ---------- Hero ---------- */
  .hero{padding:72px 0 48px;text-align:center;}
  .kicker{
    display:inline-block;
    font-size:13px;
    font-weight:700;
    letter-spacing:3px;
    text-transform:uppercase;
    color:var(--violet);
    margin-bottom:18px;
  }
  .hero h1{
    font-size:clamp(30px,6vw,56px);
    line-height:1.08;
    letter-spacing:-1px;
    font-weight:800;
    margin-bottom:20px;
  }
  .hero h1 span{color:var(--coral);}
  .hero .tag{
    max-width:720px;
    margin:0 auto;
    font-size:clamp(16px,2.4vw,20px);
    color:var(--muted);
  }
  .hero .chips{
    margin-top:28px;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  }
  .chip{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:999px;
    padding:7px 16px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
  }
  .chip b{color:var(--violet);}

  /* ---------- Sections ---------- */
  section{padding:44px 0;}
  .sec-head{text-align:center;max-width:760px;margin:0 auto 34px;}
  .sec-head h2{
    font-size:clamp(24px,4.4vw,36px);
    letter-spacing:-0.5px;
    font-weight:800;
    margin-bottom:14px;
  }
  .sec-head h2 em{font-style:normal;color:var(--coral);}
  .sec-head p{color:var(--muted);font-size:17px;}
  .rule{width:64px;height:5px;border-radius:99px;background:linear-gradient(90deg,var(--violet),var(--coral));margin:18px auto 0;}

  /* ---------- Gallery ---------- */
  .grid{
    display:grid;
    gap:22px;
    grid-template-columns:repeat(2,1fr);
  }
  figure{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow);
    display:flex;flex-direction:column;
  }
  figure img{
    width:100%;
    aspect-ratio:1/1;
    object-fit:cover;
    display:block;
  }
  figure figcaption{
    padding:14px 16px 16px;
    font-size:14px;
    color:var(--muted);
  }
  figure figcaption b{color:var(--ink);}

  /* ---------- Intro copy ---------- */
  .intro{padding:10px 0 34px;}
  .intro .cols{max-width:860px;margin:0 auto;}
  .intro p{font-size:17px;color:var(--muted);margin-bottom:16px;}
  .intro p strong{color:var(--ink);}

  /* ---------- Feature cards ---------- */
  .features-grid{
    display:grid;gap:20px;
    grid-template-columns:repeat(3,1fr);
  }
  .feature{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:18px;
    padding:26px 24px;
    box-shadow:var(--shadow);
  }
  .feature .num{
    font-size:13px;font-weight:800;letter-spacing:2px;text-transform:uppercase;
    color:var(--coral);margin-bottom:10px;
  }
  .feature h3{font-size:19px;margin-bottom:8px;}
  .feature p{font-size:15px;color:var(--muted);}

  /* ---------- Use cases ---------- */
  .usecase{
    display:grid;gap:14px;max-width:860px;margin:0 auto;
  }
  .usecase .item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    padding:18px 20px;
    box-shadow:var(--shadow);
  }
  .usecase .item h3{font-size:17px;margin-bottom:4px;color:var(--violet);}
  .usecase .item p{font-size:15px;color:var(--muted);}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:860px;margin:0 auto;display:grid;gap:16px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    padding:22px 24px;
    box-shadow:var(--shadow);
  }
  .faq-item h3{font-size:18px;margin-bottom:8px;}
  .faq-item h3::before{content:"Q. ";color:var(--coral);font-weight:800;}
  .faq-item p{font-size:15px;color:var(--muted);}

  /* ---------- Closing ---------- */
  .closing{text-align:center;max-width:720px;margin:0 auto;}
  .closing p{font-size:17px;color:var(--muted);margin-bottom:12px;}
  .closing .note{
    display:inline-block;margin-top:8px;
    font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--violet);font-weight:700;
  }
  footer{padding:34px 0 54px;text-align:center;color:var(--muted);font-size:13px;}

  /* ---------- Responsive ---------- */
  @media (max-width:760px){
    .grid{grid-template-columns:1fr;}
    .features-grid{grid-template-columns:1fr;}
    .hero{padding:54px 0 36px;}
    section{padding:34px 0;}
  }