:root{
    --blue: #2563EB;
    --blue-700: #1D4ED8;
    --blue-050: #F3F7FF;
    --blue-100: #E7EFFE;
    --blue-200: #D6E4FD;
    --white: #FFFFFF;
    --ink: #0B1220;
    --ink-soft: #4B5568;
    --ink-faint: #8A93A6;
    --line: #E7ECF5;
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 1px rgba(15,23,42,0.03);
    --shadow-md: 0 8px 24px rgba(15,23,42,0.06);
    --shadow-lg: 0 24px 60px rgba(37,99,235,0.14);
    --radius: 16px;
    --radius-sm: 12px;
    --container: 1200px;
    --max: 1440px;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    margin:0;
    font-family:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color:var(--ink);
    background:var(--white);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{
    font-family:'Poppins', sans-serif;
    font-weight:700;
    margin:0;
    letter-spacing:-0.02em;
    color:var(--ink);
  }
  p{ margin:0; }
  a{ color:inherit; text-decoration:none; }
  ul{ list-style:none; margin:0; padding:0; }
  img{ max-width:100%; display:block; }
  button{ font-family:inherit; cursor:pointer; }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
  }

  :focus-visible{
    outline:2px solid var(--blue);
    outline-offset:3px;
    border-radius:4px;
  }

  .wrap{
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
  }
  .max-wrap{
    max-width:var(--max);
    margin:0 auto;
  }

  section{ position:relative; }
  .section-pad{ padding:110px 0; }
  @media (max-width:900px){ .section-pad{ padding:72px 0; } }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:600;
    letter-spacing:0.08em;
    text-transform:uppercase;
    color:var(--blue);
    background:var(--blue-050);
    padding:7px 14px 7px 10px;
    border-radius:999px;
    margin-bottom:20px;
  }
  .eyebrow .dot{
    width:6px;height:6px;border-radius:50%;background:var(--blue);
    box-shadow:0 0 0 3px var(--blue-100);
  }

  .section-head{
    max-width:640px;
    margin-bottom:56px;
  }
  .section-head h2{
    font-size:clamp(30px,3.6vw,44px);
    line-height:1.12;
  }
  .section-head p{
    margin-top:16px;
    font-size:17px;
    line-height:1.65;
    color:var(--ink-soft);
  }
  .section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

  /* ---------- Reveal animation ---------- */
  .reveal{
    opacity:0;
    transform:translateY(28px);
    transition:opacity 0.7s cubic-bezier(.16,.8,.24,1), transform 0.7s cubic-bezier(.16,.8,.24,1);
  }
  .reveal.in-view{ opacity:1; transform:translateY(0); }
  .reveal-1{ transition-delay:0.06s; }
  .reveal-2{ transition-delay:0.14s; }
  .reveal-3{ transition-delay:0.22s; }
  .reveal-4{ transition-delay:0.30s; }
  .reveal-5{ transition-delay:0.38s; }

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    font-family:'Inter', sans-serif;
    font-weight:600;
    font-size:15.5px;
    padding:15px 28px;
    border-radius:12px;
    border:1.5px solid transparent;
    transition:transform 0.25s cubic-bezier(.16,.8,.24,1), box-shadow 0.25s ease, background 0.25s ease, border-color .25s ease, color .25s ease;
    white-space:nowrap;
  }
  .btn svg{ transition:transform 0.25s ease; }
  .btn-primary{
    background:var(--blue);
    color:var(--white);
    box-shadow:0 10px 24px rgba(37,99,235,0.28);
  }
  .btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 32px rgba(37,99,235,0.36); }
  .btn-primary:hover svg{ transform:translateX(3px); }
  .btn-ghost{
    background:var(--white);
    color:var(--ink);
    border-color:var(--line);
  }
  .btn-ghost:hover{ border-color:var(--blue); color:var(--blue); transform:translateY(-2px); }
  .btn-block{ width:100%; }

  /* ---------- Header ---------- */
  header{
    position:fixed;
    top:0; left:0; right:0;
    z-index:100;
    background:rgba(255,255,255,0.82);
    backdrop-filter:blur(14px) saturate(160%);
    -webkit-backdrop-filter:blur(14px) saturate(160%);
    border-bottom:1px solid transparent;
    transition:border-color 0.3s ease, box-shadow 0.3s ease;
  }
  header.scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 1px 0 rgba(15,23,42,0.02);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:18px 24px;
    max-width:var(--container);
    margin:0 auto;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-family:'Poppins', sans-serif;
    font-weight:700;
    font-size:19px;
    letter-spacing:-0.01em;
  }
  .logo .mark{
    width:36px;height:36px;
    border-radius:10px;
    background:var(--blue);
    display:flex;align-items:center;justify-content:center;
    color:#fff;
    font-size:15px;
    font-weight:800;
    flex-shrink:0;
  }
  .logo .sub{
    display:block;
    font-family:'Inter',sans-serif;
    font-weight:500;
    font-size:11px;
    letter-spacing:0.04em;
    color:var(--ink-faint);
    margin-top:1px;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:40px;
  }
  .nav-links a{
    font-size:14.5px;
    font-weight:500;
    color:var(--ink-soft);
    position:relative;
    padding:6px 0;
    transition:color 0.2s ease;
  }
  .nav-links a::after{
    content:'';
    position:absolute; left:0; right:0; bottom:0;
    height:2px; background:var(--blue);
    transform:scaleX(0); transform-origin:left;
    transition:transform 0.25s ease;
  }
  .nav-links a:hover{ color:var(--ink); }
  .nav-links a:hover::after{ transform:scaleX(1); }
  .nav-cta{ display:flex; align-items:center; gap:14px; }
  .nav-cta .btn{ padding:11px 22px; font-size:14.5px; }

  .burger{
    display:none;
    width:42px;height:42px;
    border-radius:10px;
    border:1.5px solid var(--line);
    background:var(--white);
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:5px;
  }
  .burger span{
    width:18px;height:2px;background:var(--ink);border-radius:2px;
    transition:transform 0.25s ease, opacity 0.25s ease;
  }
  .burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2){ opacity:0; }
  .burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  @media (max-width:900px){
    .nav-links{
      position:fixed; top:73px; left:0; right:0;
      background:var(--white);
      flex-direction:column;
      align-items:flex-start;
      padding:8px 24px 24px;
      gap:4px;
      border-bottom:1px solid var(--line);
      transform:translateY(-8px);
      opacity:0;
      pointer-events:none;
      transition:opacity 0.25s ease, transform 0.25s ease;
    }
    .nav-links.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
    .nav-links a{ padding:12px 0; width:100%; }
    .nav-cta{ display:none; }
    .burger{ display:flex; }
  }

  /* ---------- Hero ---------- */
  .hero{
    padding:168px 0 100px;
    background:var(--white);
    position:relative;
    overflow:hidden;
  }
  .hero .wrap{
    display:grid;
    grid-template-columns:1.05fr 0.95fr;
    gap:48px;
    align-items:center;
  }
  .hero h1{
    font-size:clamp(38px,4.6vw,60px);
    line-height:1.08;
  }
  .hero h1 em{
    font-style:normal;
    color:var(--blue);
  }
  .hero-sub{
    margin-top:24px;
    font-size:18px;
    line-height:1.65;
    color:var(--ink-soft);
    max-width:480px;
  }
  .hero-actions{
    margin-top:36px;
    display:flex;
    gap:16px;
    flex-wrap:wrap;
  }
  .hero-trust{
    margin-top:48px;
    display:flex;
    gap:36px;
    flex-wrap:wrap;
  }
  .hero-trust .item b{
    display:block;
    font-family:'Poppins',sans-serif;
    font-size:24px;
    font-weight:700;
    color:var(--ink);
  }
  .hero-trust .item span{
    font-size:13px;
    color:var(--ink-faint);
    font-weight:500;
  }

  .hero-art{
    position:relative;
    aspect-ratio:1/1;
    max-width:520px;
    justify-self:center;
  }
  .hero-art svg{ width:100%; height:100%; }
  .orbit-node{ animation:pulseNode 3.6s ease-in-out infinite; transform-origin:center; }
  .orbit-node.d1{ animation-delay:0.2s; }
  .orbit-node.d2{ animation-delay:0.9s; }
  .orbit-node.d3{ animation-delay:1.5s; }
  .orbit-node.d4{ animation-delay:2.1s; }
  .orbit-node.d5{ animation-delay:0.6s; }
  @keyframes pulseNode{
    0%,100%{ opacity:0.55; transform:scale(1); }
    50%{ opacity:1; transform:scale(1.18); }
  }
  .orbit-ring{
    animation:spinSlow 42s linear infinite;
    transform-origin:210px 210px;
  }
  .orbit-ring.rev{ animation-direction:reverse; animation-duration:60s; }
  @keyframes spinSlow{ to{ transform:rotate(360deg); } }
  .orbit-path{
    stroke-dasharray:6 10;
    animation:dashMove 6s linear infinite;
  }
  @keyframes dashMove{ to{ stroke-dashoffset:-160; } }

  /* ---------- About ---------- */
  .about-grid{
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:64px;
    align-items:start;
  }
  .about-visual{
    position:relative;
    border-radius:20px;
    background:var(--blue-050);
    padding:36px;
    border:1px solid var(--blue-100);
  }
  .about-visual .stat-tile{
    background:var(--white);
    border-radius:var(--radius-sm);
    padding:22px;
    box-shadow:var(--shadow-sm);
    border:1px solid var(--line);
  }
  .about-visual .stat-tile + .stat-tile{ margin-top:16px; }
  .about-visual .stat-tile b{
    display:block;
    font-family:'Poppins',sans-serif;
    font-size:30px;
    color:var(--blue);
  }
  .about-visual .stat-tile span{
    font-size:13.5px;
    color:var(--ink-soft);
    font-weight:500;
  }
  .about-copy p{
    font-size:17px;
    line-height:1.75;
    color:var(--ink-soft);
  }
  .about-copy p + p{ margin-top:18px; }
  .about-points{
    margin-top:32px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px 24px;
  }
  .about-points li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:15px;
    font-weight:500;
    color:var(--ink);
  }
  .about-points svg{ flex-shrink:0; margin-top:2px; color:var(--blue); }

  /* ---------- Services ---------- */
  .services-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .service-card{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:34px 30px;
    transition:transform 0.35s cubic-bezier(.16,.8,.24,1), box-shadow 0.35s ease, border-color 0.35s ease;
  }
  .service-card:hover{
    transform:translateY(-6px);
    box-shadow:var(--shadow-lg);
    border-color:transparent;
  }
  .service-card .icon-box{
    width:52px;height:52px;
    border-radius:14px;
    background:var(--blue-050);
    display:flex;align-items:center;justify-content:center;
    color:var(--blue);
    margin-bottom:22px;
    transition:background 0.3s ease, color 0.3s ease;
  }
  .service-card:hover .icon-box{ background:var(--blue); color:var(--white); }
  .service-card h3{ font-size:20px; margin-bottom:10px; }
  .service-card > p{ font-size:14.5px; color:var(--ink-soft); line-height:1.6; margin-bottom:18px; }
  .service-card ul li{
    font-size:14px;
    color:var(--ink-soft);
    padding:7px 0;
    border-top:1px solid var(--line);
    display:flex;
    align-items:center;
    gap:9px;
  }
  .service-card ul li:first-child{ border-top:none; }
  .service-card ul li svg{ color:var(--blue); flex-shrink:0; }

  @media (max-width:1020px){ .services-grid{ grid-template-columns:1fr 1fr; } }
  @media (max-width:680px){ .services-grid{ grid-template-columns:1fr; } }

  /* ---------- Why choose us ---------- */
  .why-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
  }
  .why-card{
    padding:30px;
    border-radius:var(--radius);
    background:var(--white);
    border:1px solid var(--line);
    transition:transform 0.3s ease, box-shadow 0.3s ease;
  }
  .why-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
  .why-card .icon-box{
    width:46px;height:46px;
    border-radius:12px;
    background:var(--blue-050);
    color:var(--blue);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:18px;
  }
  .why-card h3{ font-size:17.5px; margin-bottom:8px; }
  .why-card p{ font-size:14px; color:var(--ink-soft); line-height:1.6; }

  @media (max-width:900px){ .why-grid{ grid-template-columns:1fr 1fr; } }
  @media (max-width:560px){ .why-grid{ grid-template-columns:1fr; } }

  /* ---------- Process timeline ---------- */
  .process{ background:var(--blue-050); }
  .process-track{
    position:relative;
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:16px;
  }
  .process-track::before{
    content:'';
    position:absolute;
    top:27px; left:0; right:0;
    height:2px;
    background:var(--blue-200);
  }
  .process-step{ position:relative; padding-top:70px; }
  .process-step .num{
    position:absolute; top:0; left:0;
    width:56px;height:56px;
    border-radius:50%;
    background:var(--white);
    border:2px solid var(--blue);
    color:var(--blue);
    display:flex;align-items:center;justify-content:center;
    font-family:'Poppins',sans-serif;
    font-weight:700;
    font-size:16px;
    z-index:2;
  }
  .process-step h3{ font-size:16.5px; margin-bottom:6px; }
  .process-step p{ font-size:13.5px; color:var(--ink-soft); line-height:1.55; }

  @media (max-width:900px){
    .process-track{ grid-template-columns:1fr 1fr; row-gap:44px; }
    .process-track::before{ display:none; }
  }
  @media (max-width:560px){ .process-track{ grid-template-columns:1fr; } }

  /* ---------- Stats ---------- */
  .stats-band{
    background:var(--ink);
    border-radius:24px;
    padding:56px 40px;
    display:grid;
    grid-template-columns:repeat(4,1fr);
  }
  .stat-item{
    text-align:center;
    border-right:1px solid rgba(255,255,255,0.12);
  }
  .stat-item:last-child{ border-right:none; }
  .stat-item .num{
    font-family:'Poppins',sans-serif;
    font-weight:700;
    font-size:clamp(32px,4vw,48px);
    color:var(--white);
    display:flex;
    align-items:baseline;
    justify-content:center;
    gap:2px;
  }
  .stat-item .num .plus{ color:var(--blue); font-size:0.55em; }
  .stat-item .label{
    margin-top:8px;
    font-size:13.5px;
    font-weight:500;
    letter-spacing:0.04em;
    text-transform:uppercase;
    color:rgba(255,255,255,0.55);
  }
  @media (max-width:700px){
    .stats-band{ grid-template-columns:1fr 1fr; row-gap:36px; border-radius:20px; }
    .stat-item{ border-right:none; }
  }

  /* ---------- Testimonials ---------- */
  .test-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .test-card{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:32px;
    display:flex;
    flex-direction:column;
    transition:transform 0.3s ease, box-shadow 0.3s ease;
  }
  .test-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
  .test-card .stars{ display:flex; gap:3px; color:var(--blue); margin-bottom:18px; }
  .test-card p.quote{
    font-size:15px;
    line-height:1.7;
    color:var(--ink-soft);
    flex-grow:1;
  }
  .test-person{
    display:flex;
    align-items:center;
    gap:12px;
    margin-top:24px;
    padding-top:20px;
    border-top:1px solid var(--line);
  }
  .avatar{
    width:44px;height:44px;
    border-radius:50%;
    background:var(--blue);
    color:var(--white);
    display:flex;align-items:center;justify-content:center;
    font-family:'Poppins',sans-serif;
    font-weight:700;
    font-size:14.5px;
    flex-shrink:0;
  }
  .test-person .name{ font-size:14.5px; font-weight:600; }
  .test-person .role{ font-size:12.5px; color:var(--ink-faint); }

  @media (max-width:900px){ .test-grid{ grid-template-columns:1fr; } }

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--blue);
    border-radius:28px;
    padding:72px 48px;
    text-align:center;
    position:relative;
    overflow:hidden;
  }
  .cta-band::before{
    content:'';
    position:absolute;
    width:520px;height:520px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,0.14);
    top:50%; left:50%;
    transform:translate(-50%,-50%);
  }
  .cta-band::after{
    content:'';
    position:absolute;
    width:340px;height:340px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,0.14);
    top:50%; left:50%;
    transform:translate(-50%,-50%);
  }
  .cta-band h2{
    color:var(--white);
    font-size:clamp(28px,3.6vw,42px);
    position:relative;
    z-index:1;
  }
  .cta-band p{
    color:rgba(255,255,255,0.82);
    margin-top:14px;
    font-size:16.5px;
    position:relative;
    z-index:1;
  }
  .cta-band .btn{
    margin-top:32px;
    position:relative;
    z-index:1;
  }
  .cta-band .btn-primary{
    background:var(--white);
    color:var(--blue);
    box-shadow:0 14px 30px rgba(0,0,0,0.18);
  }
  .cta-band .btn-primary:hover{ background:var(--ink); color:var(--white); }

  /* ---------- Contact ---------- */
  .contact-grid{
    display:grid;
    grid-template-columns:0.85fr 1.15fr;
    gap:56px;
  }
  .contact-info h2{ font-size:clamp(28px,3.2vw,38px); }
  .contact-info > p{ margin-top:16px; font-size:16px; color:var(--ink-soft); line-height:1.65; }
  .founder-card{
    margin-top:36px;
    display:flex;
    align-items:center;
    gap:16px;
    padding:22px;
    border-radius:var(--radius-sm);
    background:var(--blue-050);
    border:1px solid var(--blue-100);
  }
  .founder-card .avatar{ width:54px;height:54px; font-size:17px; }
  .founder-card .name{ font-weight:600; font-size:15.5px; }
  .founder-card .role{ font-size:12.5px; color:var(--ink-faint); margin-bottom:2px; }
  .contact-detail-list{ margin-top:28px; display:flex; flex-direction:column; gap:16px; }
  .contact-detail-list li{ display:flex; align-items:center; gap:12px; font-size:14.5px; color:var(--ink-soft); }
  .contact-detail-list .icon-box{
    width:40px;height:40px; border-radius:10px;
    background:var(--white); border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    color:var(--blue); flex-shrink:0;
  }
  .social-row{ margin-top:28px; display:flex; gap:10px; }
  .social-row a{
    width:42px;height:42px; border-radius:11px;
    border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    color:var(--ink-soft);
    transition:all 0.25s ease;
  }
  .social-row a:hover{ background:var(--blue); color:var(--white); border-color:var(--blue); transform:translateY(-3px); }

  .contact-form{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:36px;
    box-shadow:var(--shadow-md);
  }
  .form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
  .field{ margin-bottom:18px; }
  .field label{
    display:block;
    font-size:13px;
    font-weight:600;
    margin-bottom:8px;
    color:var(--ink);
  }
  .field input,.field select,.field textarea{
    width:100%;
    padding:13px 15px;
    border-radius:10px;
    border:1.5px solid var(--line);
    font-family:'Inter',sans-serif;
    font-size:14.5px;
    color:var(--ink);
    background:var(--white);
    transition:border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;
    border-color:var(--blue);
    box-shadow:0 0 0 4px var(--blue-100);
  }
  .field textarea{ resize:vertical; min-height:110px; }
  .form-msg{
    margin-top:16px;
    padding:14px 16px;
    border-radius:10px;
    background:var(--blue-050);
    color:var(--blue-700);
    font-size:14px;
    font-weight:500;
    display:none;
    align-items:center;
    gap:10px;
  }
  .form-msg.show{ display:flex; }

  @media (max-width:900px){
    .about-grid,.contact-grid{ grid-template-columns:1fr; }
    .about-visual{ order:2; }
    .form-row{ grid-template-columns:1fr; }
  }

  /* ---------- Footer ---------- */
  footer{
    background:var(--ink);
    padding:64px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:40px;
    padding-bottom:40px;
    border-bottom:1px solid rgba(255,255,255,0.1);
  }
  .footer-brand .logo{ color:var(--white); }
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    color:rgba(255,255,255,0.55);
    line-height:1.65;
    max-width:280px;
  }
  .footer-col h4{
    color:var(--white);
    font-size:14.5px;
    margin-bottom:18px;
  }
  .footer-col ul{ display:flex; flex-direction:column; gap:12px; }
  .footer-col a{
    font-size:14px;
    color:rgba(255,255,255,0.55);
    transition:color 0.2s ease;
  }
  .footer-col a:hover{ color:var(--white); }
  .footer-bottom{
    padding-top:26px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:12px;
  }
  .footer-bottom p{ font-size:13px; color:rgba(255,255,255,0.4); }
  .footer-social{ display:flex; gap:10px; }
  .footer-social a{
    width:38px;height:38px; border-radius:10px;
    border:1px solid rgba(255,255,255,0.14);
    display:flex;align-items:center;justify-content:center;
    color:rgba(255,255,255,0.6);
    transition:all 0.25s ease;
  }
  .footer-social a:hover{ background:var(--blue); border-color:var(--blue); color:var(--white); }

  @media (max-width:760px){
    .footer-grid{ grid-template-columns:1fr; gap:32px; }
  }

  /* Responsive: hero + section grids on small screens */
  @media (max-width:1020px){
    .hero .wrap{ grid-template-columns:1fr; }
    .hero-art{ order:-1; max-width:340px; margin:0 auto 12px; }
    .hero-sub{ max-width:100%; }
  }