:root{
    --purple:#26A164; --purple-dark:#1F8A54; --purple-darker:#1F2F42;
    --purple-light:#E4F4EB; --purple-tint:#F0FAF4;
    --ink:#1F2F42; --muted:#65707D; --muted-light:#A9B2BC;
    --bg:#F7F8F9; --surface:#FFFFFF; --border:#E7EAEC;
    --green:#26A164; --green-tint:#E7F8F1;
    --red:#D64545; --red-tint:#FBEAEA;
    --orange:#C98A2E; --orange-tint:#FBF2E3;
    --navy:#1F2F42;
    --font-display:"Plus Jakarta Sans",-apple-system,sans-serif;
    --font-body:"DM Sans","Plus Jakarta Sans",-apple-system,sans-serif;
    --radius-sm:10px; --radius:16px; --radius-lg:24px;
    --shadow-card:0 2px 10px rgba(31,47,66,.07);
    --shadow-pop:0 20px 50px rgba(31,47,66,.16);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
  h1,h2,h3{font-family:var(--font-display);font-weight:800;margin:0;letter-spacing:-0.01em;}
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img,svg{display:block;max-width:100%;}
  .wrap{max-width:1160px;margin:0 auto;padding:0 32px;}
  @media (max-width:640px){.wrap{padding:0 20px;}}

  /* ---------- Buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 26px;font-family:var(--font-display);font-weight:700;font-size:15px;cursor:pointer;border:none;transition:transform .15s ease, box-shadow .15s ease;}
  .btn:focus-visible{outline:3px solid var(--purple-darker);outline-offset:3px;}
  .btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 24px rgba(108,92,231,.32);}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(108,92,231,.4);}
  .btn-ghost{background:transparent;color:var(--ink);padding:14px 8px;}
  .btn-ghost span{border-bottom:2px solid var(--purple-light);padding-bottom:2px;}
  .btn-ghost:hover span{border-color:var(--purple);}

  /* ---------- Nav ---------- */
  nav{position:sticky;top:0;z-index:50;background:rgba(246,245,252,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
  .navbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;max-width:1160px;margin:0 auto;gap:16px;}
  .logo{display:flex;align-items:center;flex-shrink:0;}
  .logo-wordmark{height:60px;width:auto;display:block;}
  .navlinks{display:flex;align-items:center;gap:36px;font-weight:500;font-size:15px;color:var(--muted);}
  .navlinks a:hover{color:var(--ink);}
  .navcta{display:flex;align-items:center;gap:22px;flex-shrink:0;}
  .navcta .login{font-weight:600;font-size:15px;color:var(--ink);white-space:nowrap;}
  .navcta .btn{padding:11px 20px;font-size:14px;white-space:nowrap;}
  .nav-toggle{display:none;width:38px;height:38px;border-radius:10px;background:transparent;align-items:center;justify-content:center;flex-shrink:0;}
  .nav-toggle svg{width:22px;height:22px;color:var(--ink);}
  .nav-toggle .icon-close{display:none;}
  .mobile-menu{display:none;}

  @media (max-width:820px){
    .navlinks{display:none;}
    .nav-toggle{display:flex;}
    .navcta .login{display:none;}
    .mobile-menu{
      display:block;position:absolute;top:100%;left:0;right:0;
      background:var(--surface);border-bottom:1px solid var(--border);
      box-shadow:0 16px 30px rgba(31,47,66,.10);
      max-height:0;overflow:hidden;opacity:0;
      transition:max-height .25s ease, opacity .2s ease;
    }
    nav.menu-open{position:sticky;}
    nav.menu-open .mobile-menu{max-height:420px;opacity:1;}
    nav.menu-open .nav-toggle .icon-menu{display:none;}
    nav.menu-open .nav-toggle .icon-close{display:block;}
    .mobile-menu-inner{padding:8px 20px 22px;display:flex;flex-direction:column;}
    .mobile-menu a.mlink{padding:13px 4px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--border);}
    .mobile-menu a.mlink:last-of-type{border-bottom:none;}
    .mobile-menu .mlogin{margin-top:14px;text-align:center;padding:13px;border-radius:999px;background:var(--purple-tint);color:var(--purple-darker);font-weight:700;font-size:15px;}
  }
  @media (max-width:480px){
    .navbar{padding:14px 20px;}
    .navcta{gap:10px;}
    .logo-wordmark{height:50px;}
  }
  @media (max-width:820px){.navlinks{display:none;}}

  /* ---------- Hero ---------- */
  .hero{padding-top:76px;padding-bottom:40px;}
  .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  @media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:48px;}}
  .hero-visual{position:relative;}
  .hero-photo{width:100%;aspect-ratio:5/6;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);display:block;}
  .hero-visual .mock-card{position:absolute;left:-28px;bottom:-28px;width:68%;max-width:340px;margin:0;padding:22px;}
  @media (max-width:900px){
    .hero-visual .mock-card{position:static;width:100%;max-width:420px;margin:-56px auto 0;}
  }
  .hero h1{font-size:52px;line-height:1.08;letter-spacing:-0.02em;}
  @media (max-width:640px){.hero h1{font-size:36px;}}
  .hero p.lead{margin-top:22px;font-size:18px;color:var(--muted);max-width:440px;line-height:1.6;}
  .hero-ctas{margin-top:34px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;}

  /* ---------- Dashboard mockup ---------- */
  .mock-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);border:1px solid var(--border);padding:26px;position:relative;}
  .mock-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
  .mock-head .title{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--muted);}
  .mock-head .pill{background:var(--purple-tint);color:var(--purple-darker);font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;}
  .mock-total{font-family:var(--font-display);font-weight:800;font-size:34px;margin-bottom:4px;}
  .mock-total-label{color:var(--muted);font-size:13.5px;margin-bottom:22px;}
  .mock-split{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px;}
  .mock-tile{border-radius:var(--radius-sm);padding:14px 16px;}
  .mock-tile.owe{background:var(--red-tint);}
  .mock-tile.owed{background:var(--green-tint);}
  .mock-tile .lbl{font-size:12.5px;color:var(--muted);margin-bottom:6px;}
  .mock-tile .amt{font-family:var(--font-display);font-weight:800;font-size:20px;}
  .mock-tile.owe .amt{color:var(--red);}
  .mock-tile.owed .amt{color:var(--green);}
  .mock-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-top:1px solid var(--border);font-size:14px;}
  .mock-row .who{display:flex;align-items:center;gap:10px;font-weight:600;}
  .mock-avatar{width:26px;height:26px;border-radius:50%;background:var(--purple-light);color:var(--purple-darker);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;}
  .mock-row .cat{color:var(--muted-light);font-weight:500;font-size:12.5px;}
  .mock-trip-chip{margin-top:18px;display:flex;align-items:center;gap:10px;background:var(--orange-tint);border-radius:var(--radius-sm);padding:12px 14px;font-size:13.5px;font-weight:600;color:#8a5c10;}
  .mock-trip-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex-shrink:0;}

  /* ---------- Section shell ---------- */
  section.feature{padding:96px 0;}
  .feature-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px;align-items:center;}
  .feature-grid.reverse .copy{order:2;}
  .feature-grid.reverse .visual{order:1;}
  @media (max-width:900px){.feature-grid, .feature-grid.reverse{grid-template-columns:1fr;gap:36px;}
    .feature-grid.reverse .copy, .feature-grid.reverse .visual{order:initial;}}
  .feature h2{font-size:32px;letter-spacing:-0.015em;}
  .feature .copy p.desc{margin-top:14px;color:var(--muted);font-size:16.5px;max-width:420px;}
  .feature-list{margin-top:26px;display:flex;flex-direction:column;gap:13px;}
  .feature-list li{list-style:none;display:flex;align-items:flex-start;gap:11px;font-size:15px;color:var(--ink);}
  .feature-list .tick{width:19px;height:19px;border-radius:50%;background:var(--purple-tint);color:var(--purple-darker);flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:1px;}
  .feature-list .tick svg{width:11px;height:11px;}

  /* ---------- Expense form mockup ---------- */
  .form-mock{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--border);padding:26px;max-width:400px;}
  .form-row{margin-bottom:16px;}
  .form-row label{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:6px;}
  .form-fake-input{border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px;font-size:14.5px;background:var(--bg);color:var(--ink);}
  .form-two{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .chip-row{display:flex;gap:8px;flex-wrap:wrap;}
  .chip{border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600;background:var(--purple-tint);color:var(--purple-darker);}
  .chip.muted{background:var(--bg);color:var(--muted);border:1px solid var(--border);}
  .toggle-row{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--border);}
  .toggle-row .t-label{font-size:14px;font-weight:600;}
  .toggle-row .t-sub{font-size:12.5px;color:var(--muted);margin-top:2px;}
  .switch{width:38px;height:22px;border-radius:999px;background:var(--purple);position:relative;flex-shrink:0;}
  .switch::after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;top:3px;right:3px;}

  /* ---------- Trips: sequential flow ---------- */
  .trip-flow{display:flex;flex-direction:column;gap:0;}
  .trip-step{display:flex;gap:18px;padding:20px 0;position:relative;}
  .trip-step:not(:last-child)::before{content:"";position:absolute;left:17px;top:46px;bottom:-4px;width:2px;background:var(--border);}
  .trip-num{width:36px;height:36px;border-radius:50%;background:var(--surface);border:2px solid var(--purple);color:var(--purple-darker);font-family:var(--font-display);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;z-index:1;}
  .trip-step.done .trip-num{background:var(--purple);color:#fff;}
  .trip-step h4{font-family:var(--font-display);font-size:16px;font-weight:700;margin-bottom:4px;}
  .trip-step p{color:var(--muted);font-size:14.5px;}

  .trip-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--border);padding:26px;}
  .trip-card-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px;}
  .trip-card-head h4{font-family:var(--font-display);font-size:18px;font-weight:800;}
  .trip-card-head .sub{color:var(--muted);font-size:13px;margin-top:3px;}
  .trip-budget-bar{height:8px;border-radius:999px;background:var(--border);overflow:hidden;margin-bottom:8px;}
  .trip-budget-bar span{display:block;height:100%;width:64%;background:var(--purple);border-radius:999px;}
  .trip-budget-lbl{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:20px;}
  .contrib-row{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:14px;}
  .contrib-row .bar{flex:1;height:6px;border-radius:999px;background:var(--border);overflow:hidden;}
  .contrib-row .bar span{display:block;height:100%;background:var(--purple);border-radius:999px;}
  .contrib-row .name{width:70px;font-weight:600;flex-shrink:0;}
  .contrib-row .val{width:60px;text-align:right;color:var(--muted);flex-shrink:0;}

  /* ---------- Split methods ---------- */
  .split-seg{display:inline-flex;background:var(--purple-tint);border-radius:999px;padding:4px;gap:2px;margin-bottom:24px;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .split-seg .opt{padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:700;color:var(--purple-darker);white-space:nowrap;flex-shrink:0;}
  .split-seg .opt.active{background:#fff;box-shadow:0 2px 6px rgba(76,68,158,.12);}
  .group-mock{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--border);padding:26px;max-width:100%;overflow:hidden;}
  @media (max-width:400px){
    .split-seg .opt{padding:8px 12px;font-size:12.5px;}
  }
  .split-people{display:flex;flex-direction:column;gap:10px;}
  .split-person{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg);}
  .split-person .who{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14.5px;}
  .split-person .pct{font-family:var(--font-display);font-weight:800;font-size:14.5px;color:var(--purple-darker);}

  /* ---------- People / balances ---------- */
  .people-mock{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--border);padding:10px;}
  .person-row{display:flex;align-items:center;gap:14px;padding:14px 14px;border-bottom:1px solid var(--border);}
  .person-row:last-child{border-bottom:none;}
  .person-row .who{flex:1;min-width:0;}
  .person-row .who .name{font-weight:700;font-size:14.5px;}
  .person-row .who .meta{font-size:12.5px;color:var(--muted-light);margin-top:2px;}
  .person-row .balance{font-family:var(--font-display);font-weight:800;font-size:14.5px;white-space:nowrap;}
  .person-row .balance.owed{color:var(--green);}
  .person-row .balance.owe{color:var(--red);}
  .person-row .action{width:30px;height:30px;border-radius:50%;background:var(--purple-tint);display:flex;align-items:center;justify-content:center;color:var(--purple-darker);flex-shrink:0;}
  .person-row .action svg{width:14px;height:14px;}

  /* ---------- CTA band ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,rgba(31,47,66,.90),rgba(38,161,100,.85)),
      url('https://images.pexels.com/photos/3753039/pexels-photo-3753039.jpeg?auto=compress&cs=tinysrgb&w=2000&q=80') center/cover no-repeat;
    border-radius:var(--radius-lg);padding:64px 48px;text-align:center;margin:0 32px 96px;max-width:1096px;margin-left:auto;margin-right:auto;
  }
  @media (max-width:640px){.cta-band{padding:48px 26px;}}

  /* ---------- Showcase strip (trip / party photo tiles) ---------- */
  .showcase{padding-top:8px;padding-bottom:72px;}
  .showcase-head{max-width:560px;margin-bottom:32px;}
  .showcase-head h2{font-size:28px;letter-spacing:-0.01em;}
  .showcase-head .desc{margin-top:12px;color:var(--muted);font-size:16px;}
  .showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .showcase-tile{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/5;box-shadow:var(--shadow-card);}
  .showcase-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
  .showcase-tile:hover img{transform:scale(1.05);}
  .showcase-tile .label{position:absolute;left:0;right:0;bottom:0;padding:22px 18px;background:linear-gradient(to top, rgba(15,20,28,.72), transparent);color:#fff;font-family:var(--font-display);font-weight:700;font-size:17px;}
  @media (max-width:760px){
    .showcase-grid{grid-template-columns:1fr;}
    .showcase-tile{aspect-ratio:16/10;}
  }

  /* ---------- Section photo (Trips / Groups feature visuals) ---------- */
  .section-photo{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);display:block;margin-bottom:18px;}
  .cta-band h2{color:#fff;font-size:34px;max-width:560px;margin:0 auto;}
  .cta-band p{color:rgba(255,255,255,.78);margin-top:14px;font-size:16.5px;}
  .cta-band .btn-primary{background:#fff;color:var(--purple-darker);margin-top:28px;box-shadow:0 14px 30px rgba(0,0,0,.16);}

  /* ---------- Footer ---------- */
  footer{border-top:1px solid var(--border);padding:40px 0;}
  .foot-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;}
  .foot-links{display:flex;gap:26px;font-size:14px;color:var(--muted);}
  .foot-links a:hover{color:var(--ink);}
  .foot-copy{font-size:13.5px;color:var(--muted-light);}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{transition:none !important;}
  }