:root{
    --paper: #F6F3EC;
    --card: #FFFFFF;
    --ink: #1C2A48;
    --amber: #F0A93A;
    --crimson: #C4432E;
    --slate: #6B7280;
    --line: rgba(28,42,72,0.12);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
  }

  *{ margin:0; padding:0; box-sizing:border-box; }
  html{ scroll-behavior:auto; }
  body{
    background: var(--paper);
    color: var(--ink);
    font-family:'IBM Plex Sans', sans-serif;
    overflow-x:hidden;
    line-height:1.55;
  }
  ::selection{ background: var(--amber); color: var(--ink); }
  a{ color:inherit; text-decoration:none; }
  img{ display:block; max-width:100%; }
  button{ font-family:inherit; cursor:pointer; border:none; background:none; }

  h1,h2,h3,.display{
    font-family:'Fraunces', serif;
    line-height:1.02;
    font-weight:600;
    letter-spacing:-0.01em;
  }

  .eyebrow{
    font-size:0.76rem;
    letter-spacing:0.22em;
    text-transform:uppercase;
    color: var(--crimson);
    font-weight:700;
    display:flex; align-items:center; gap:0.7rem;
  }
  .eyebrow::before{
    content:'';
    width:10px; height:10px;
    border:1.5px solid var(--crimson);
    border-radius:50%;
    flex-shrink:0;
  }

  .container{ width:100%; max-width:1240px; margin:0 auto; padding:0 6vw; }
  section{ position:relative; }

  /* -------- Registration mark (signature element) -------- */
  .regmark{ width:22px; height:22px; position:relative; flex-shrink:0; }
  .regmark::before, .regmark::after{ content:''; position:absolute; background:currentColor; }
  .regmark::before{ left:50%; top:0; bottom:0; width:1.4px; transform:translateX(-50%); }
  .regmark::after{ top:50%; left:0; right:0; height:1.4px; transform:translateY(-50%); }
  .regmark-circle{ position:absolute; inset:3px; border:1.4px solid currentColor; border-radius:50%; }

  /* -------- Preloader -------- */
  #preloader{
    position:fixed; inset:0; z-index:9999;
    background: var(--ink);
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    gap:1.4rem;
  }
  #preloader .pl-mark{ width:64px; height:64px; color: var(--paper); position:relative; }
  #preloader .pl-mark .regmark-circle{ inset:6px; }
  #preloader .pl-word{
    font-family:'Fraunces', serif;
    font-size: clamp(1.9rem, 6vw, 3.6rem);
    color: var(--paper);
    overflow:hidden;
    display:flex;
  }
  #preloader .pl-word span{ display:inline-block; transform:translateY(110%); }
  #preloader .pl-pct{
    font-family:'IBM Plex Sans', sans-serif;
    font-size:0.75rem; letter-spacing:0.3em; color: rgba(246,243,236,0.6);
  }

  /* -------- Navbar -------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:500;
    padding:1.5rem 0;
    transition: padding 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
    border-bottom:1px solid transparent;
  }
  header.scrolled{
    padding:0.9rem 0;
    background: rgba(246,243,236,0.9);
    backdrop-filter: blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav.container{ display:flex; align-items:center; justify-content:space-between; }
  .logo{ display:flex; align-items:center; gap:0.6rem; font-family:'Fraunces', serif; font-size:1.3rem; font-weight:700; }
  .logo .regmark{ color: var(--crimson); width:20px; height:20px; }
  .logo .tag{ font-family:'IBM Plex Sans',sans-serif; font-size:0.62rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--slate); font-weight:700; margin-left:0.3rem; }
  .nav-links{ display:flex; align-items:center; gap:2.1rem; list-style:none; }
  .nav-links a{
    font-size:0.84rem; letter-spacing:0.03em; font-weight:600; color: var(--slate);
    position:relative; padding-bottom:4px;
  }
  .nav-links a::after{ content:''; position:absolute; left:0; bottom:0; width:0; height:1.5px; background:var(--crimson); transition:width 0.35s var(--ease); }
  .nav-links a:hover{ color: var(--ink); }
  .nav-links a:hover::after{ width:100%; }

  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:0.5rem;
    padding:0.85rem 1.7rem;
    font-size:0.82rem; font-weight:700; letter-spacing:0.02em;
    border-radius:3px;
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{ background: var(--crimson); color:#fff; }
  .btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 14px 28px -10px rgba(196,67,46,0.5); }
  .btn-outline{ border:1.5px solid var(--ink); color: var(--ink); }
  .btn-outline:hover{ background: var(--ink); color: var(--paper); transform: translateY(-3px); }
  .btn-gold{ background: var(--amber); color: var(--ink); }
  .btn-gold:hover{ transform: translateY(-3px); box-shadow: 0 14px 28px -10px rgba(240,169,58,0.5); }
  .nav-cta{ display:flex; align-items:center; gap:1rem; }

  .hamburger{ display:none; flex-direction:column; gap:5px; width:26px; z-index:600; }
  .hamburger span{ display:block; height:2px; width:100%; background: var(--ink); transition: transform 0.4s var(--ease), opacity 0.3s var(--ease); }
  .hamburger.active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .hamburger.active span:nth-child(2){ opacity:0; }
  .hamburger.active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu{
    position:fixed; inset:0; background: var(--ink); z-index:400;
    display:flex; align-items:center; justify-content:center;
    transform: translateY(-100%); transition: transform 0.6s var(--ease);
  }
  .mobile-menu.open{ transform: translateY(0); }
  .mobile-menu ul{ list-style:none; text-align:center; }
  .mobile-menu li{ margin:1.3rem 0; }
  .mobile-menu a{ font-family:'Fraunces', serif; font-size:1.9rem; color: var(--paper); }

  /* -------- Hero -------- */
  .hero{
    min-height:100svh;
    display:flex; align-items:center;
    padding-top:7rem; padding-bottom:3rem;
    overflow:hidden;
  }
  .hero-grid{ display:grid; grid-template-columns: 1.05fr 0.95fr; gap:4rem; align-items:center; width:100%; }
  .hero h1{ font-size: clamp(2.4rem, 5.6vw, 4.2rem); color: var(--ink); margin:1.1rem 0 1.4rem; }
  .hero h1 .line{ overflow:hidden; }
  .hero h1 .line span{ display:block; transform: translateY(112%); }
  .hero h1 em{ font-style:italic; color: var(--crimson); }
  .hero-sub{ color: var(--slate); font-size:1.06rem; max-width:48ch; margin-bottom:2rem; opacity:0; }
  .hero-ctas{ display:flex; gap:1rem; flex-wrap:wrap; opacity:0; }
  .hero-tags{ display:flex; gap:0.8rem; flex-wrap:wrap; margin-top:2.2rem; opacity:0; }
  .hero-tag{
    font-size:0.76rem; font-weight:600; letter-spacing:0.03em; color: var(--ink);
    background: rgba(28,42,72,0.06); border:1px solid var(--line);
    padding:0.5rem 0.9rem; border-radius:20px;
  }
  .hero-img-wrap{ position:relative; aspect-ratio: 4/5; border-radius:8px; overflow:hidden; }
  .hero-img-wrap img{ width:100%; height:120%; object-fit:cover; position:absolute; top:-10%; left:0; }
  .hero-badge{
    position:absolute; bottom:1.3rem; left:1.3rem; right:1.3rem;
    background: rgba(28,42,72,0.9); backdrop-filter: blur(6px);
    color:#fff; padding:1.1rem 1.3rem; border-radius:6px;
    display:flex; align-items:center; gap:1rem;
  }
  .hero-badge .regmark{ color: var(--amber); }
  .hero-badge strong{ display:block; font-size:0.95rem; }
  .hero-badge span{ font-size:0.78rem; color: rgba(255,255,255,0.65); }

  /* -------- Stats -------- */
  .stats{ background: var(--ink); padding: 3.6rem 0; }
  .stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:2rem; text-align:center; }
  .stat-num{
    font-family:'Fraunces', serif; font-weight:600;
    font-size: clamp(2.2rem, 4.6vw, 3.2rem);
    color: var(--amber);
    display:flex; align-items:baseline; justify-content:center; gap:0.15rem;
  }
  .stat-label{ font-size:0.76rem; letter-spacing:0.1em; text-transform:uppercase; color: rgba(246,243,236,0.65); margin-top:0.4rem; }

  /* -------- Section headers -------- */
  .sec-head{ max-width:640px; margin-bottom:3.2rem; }
  .sec-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
  .sec-head h2{ font-size: clamp(2rem, 4.6vw, 3rem); color: var(--ink); margin-top:0.7rem; }
  .sec-head p{ color: var(--slate); margin-top:1rem; font-size:1.01rem; max-width:54ch; }
  .sec-head.center p{ margin-left:auto; margin-right:auto; }

  /* -------- Features -------- */
  .features{ padding: 7rem 0 6rem; }
  .feature-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:1.4rem; }
  .feature-card{
    background: var(--card); border:1px solid var(--line); border-radius:8px;
    padding:2rem 1.7rem;
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.4s var(--ease);
  }
  .feature-card:hover{ transform: translateY(-8px); box-shadow: 0 24px 44px -20px rgba(28,42,72,0.18); border-color: rgba(196,67,46,0.3); }
  .feature-img{
    width:calc(100% + 3.4rem);
    margin: -2rem -1.7rem 1.4rem;
    aspect-ratio: 16/10;
    overflow:hidden;
    position:relative;
  }
  .feature-img img{
    width:100%; height:100%; object-fit:cover;
    transition: transform 1s var(--ease), filter 0.6s var(--ease);
    filter: saturate(0.92);
  }
  .feature-card:hover .feature-img img{ transform: scale(1.08); filter: saturate(1.05); }
  .feature-icon{
    width:48px; height:48px; border-radius:50%;
    background: rgba(240,169,58,0.16);
    display:flex; align-items:center; justify-content:center;
    color: var(--crimson); margin-bottom:1.3rem;
  }
  .feature-card h3{ font-family:'IBM Plex Sans', sans-serif; font-weight:700; font-size:1.08rem; color: var(--ink); margin-bottom:0.6rem; }
  .feature-card p{ color: var(--slate); font-size:0.92rem; }

  /* -------- How it works -------- */
  .how{ padding: 3rem 0 8rem; }
  .how-grid-wrap{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap:3.5rem; align-items:start; }
  .how-img-wrap{
    position:relative; aspect-ratio: 4/5; border-radius:8px; overflow:hidden;
    position:sticky; top:7rem;
  }
  .how-img-wrap img{ width:100%; height:120%; object-fit:cover; position:absolute; top:-10%; left:0; }
  .how-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:2rem 1.6rem; }
  .how-step{ padding-top:0.5rem; }
  .how-num{ font-family:'Fraunces', serif; font-size:2.6rem; color: rgba(28,42,72,0.14); line-height:1; margin-bottom:0.8rem; font-weight:700; }
  .how-step h3{ font-family:'IBM Plex Sans', sans-serif; font-weight:700; font-size:1.08rem; color:var(--ink); margin-bottom:0.5rem; }
  .how-step p{ color: var(--slate); font-size:0.9rem; }

  /* -------- CTA Banner -------- */
  .cta-banner{ position:relative; min-height:56vh; display:flex; align-items:center; justify-content:center; text-align:center; overflow:hidden; margin-bottom:2rem; }
  .cta-banner-bg{ position:absolute; inset:0; z-index:0; }
  .cta-banner-bg img{ width:100%; height:130%; object-fit:cover; position:absolute; top:-15%; left:0; }
  .cta-banner-bg::after{
    content:''; position:absolute; inset:0;
    background: linear-gradient(180deg, rgba(28,42,72,0.82) 0%, rgba(28,42,72,0.68) 50%, rgba(28,42,72,0.9) 100%);
  }
  .cta-banner-content{ position:relative; z-index:2; padding:5rem 6vw; max-width:720px; }
  .cta-banner h2{ font-size: clamp(2rem, 5.4vw, 3.4rem); color:#fff; margin:1rem 0 1.6rem; }
  .cta-banner h2 em{ font-style:italic; color: var(--amber); }
  .cta-banner p{ color: rgba(246,243,236,0.78); font-size:1.02rem; margin-bottom:2rem; max-width:48ch; margin-left:auto; margin-right:auto; }

  /* -------- Use cases -------- */
  .usecases{ padding: 2rem 0 8rem; }
  .usecase-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:1.4rem; }
  .usecase-card{ position:relative; border-radius:8px; overflow:hidden; aspect-ratio:3/4; }
  .usecase-card img{ width:100%; height:100%; object-fit:cover; transition: transform 1s var(--ease); }
  .usecase-card:hover img{ transform: scale(1.08); }
  .usecase-card::after{
    content:''; position:absolute; inset:0;
    background: linear-gradient(180deg, transparent 40%, rgba(28,42,72,0.88) 100%);
  }
  .usecase-label{
    position:absolute; left:1.2rem; right:1.2rem; bottom:1.2rem; z-index:2; color:#fff;
  }
  .usecase-label strong{ font-family:'Fraunces', serif; font-size:1.15rem; display:block; }
  .usecase-label span{ font-size:0.8rem; color: rgba(255,255,255,0.72); }

  /* -------- Partner / Passive Income -------- */
  .partner{ padding: 7rem 0 8rem; background: var(--ink); }
  .partner .eyebrow{ color: var(--amber); }
  .partner .eyebrow::before{ border-color: var(--amber); }
  .partner-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:4rem; align-items:center; }
  .partner-text h2{ color:#fff; font-size: clamp(2rem, 4.6vw, 3rem); margin:0.8rem 0 1.4rem; }
  .partner-text p{ color: rgba(246,243,236,0.72); font-size:1.02rem; margin-bottom:1.6rem; max-width:52ch; }
  .partner-list{ list-style:none; margin-bottom:2rem; }
  .partner-list li{
    color: rgba(246,243,236,0.85); font-size:0.95rem; padding:0.7rem 0;
    border-top:1px solid rgba(246,243,236,0.12);
    display:flex; gap:0.7rem; align-items:flex-start;
  }
  .partner-list li::before{ content:'✓'; color: var(--amber); font-weight:700; }
  .partner-img-wrap{ position:relative; aspect-ratio:4/5; border-radius:8px; overflow:hidden; }
  .partner-img-wrap img{ width:100%; height:120%; object-fit:cover; position:absolute; top:-10%; left:0; }
  .partner-badge{
    position:absolute; top:1.2rem; right:1.2rem;
    background: var(--amber); color: var(--ink);
    padding:0.9rem 1.1rem; border-radius:6px; font-size:0.85rem; font-weight:700; text-align:center; line-height:1.3;
  }

  /* -------- Gallery -------- */
  .gallery{ padding: 7rem 0 8rem; }
  .gallery-grid{ display:grid; grid-template-columns: repeat(4,1fr); grid-auto-rows:160px; gap:1rem; }
  .gallery-grid figure{ overflow:hidden; border-radius:6px; position:relative; margin:0; }
  .gallery-grid img{ width:100%; height:100%; object-fit:cover; transition: transform 1.2s var(--ease); }
  .gallery-grid figure:hover img{ transform: scale(1.08); }
  .g1{ grid-column: span 2; grid-row: span 2; }
  .g2{ grid-column: span 2; grid-row: span 1; }
  .g3{ grid-column: span 1; grid-row: span 1; }
  .g4{ grid-column: span 1; grid-row: span 1; }
  .g5{ grid-column: span 2; grid-row: span 1; }

  /* -------- Testimonials -------- */
  .testimonials{ padding:7rem 0 8rem; background: var(--card); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .testi-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:1.6rem; }
  .testi-card{ background: var(--paper); border:1px solid var(--line); border-radius:8px; padding:2.1rem; }
  .testi-stars{ color: var(--amber); font-size:0.9rem; letter-spacing:0.2em; margin-bottom:1rem; }
  .testi-card p.quote{ color: var(--slate); font-size:0.95rem; margin-bottom:1.3rem; }
  .testi-person{ display:flex; align-items:center; gap:0.8rem; }
  .testi-person img{ width:42px; height:42px; border-radius:50%; object-fit:cover; }
  .testi-person .name{ color: var(--ink); font-weight:700; font-size:0.9rem; }
  .testi-person .loc{ color: var(--slate); font-size:0.76rem; }

  /* -------- FAQ -------- */
  .faq{ padding:6rem 0 8rem; }
  .faq-list{ max-width:820px; }
  .faq-item{ border-bottom:1px solid var(--line); padding:1.5rem 0; cursor:pointer; }
  .faq-q{ display:flex; justify-content:space-between; align-items:center; font-size:1.06rem; font-weight:600; color: var(--ink); }
  .faq-q .icon{ font-family:'Fraunces', serif; font-size:1.4rem; color: var(--crimson); transition: transform 0.4s var(--ease); margin-left:1rem; flex-shrink:0; }
  .faq-item.open .faq-q .icon{ transform: rotate(45deg); }
  .faq-a{ max-height:0; overflow:hidden; transition: max-height 0.5s var(--ease), margin-top 0.5s var(--ease); color: var(--slate); font-size:0.94rem; max-width:70ch; }
  .faq-item.open .faq-a{ margin-top:1rem; }

  /* -------- Contact / Footer -------- */
  .contact{ padding: 8rem 0 3rem; background: var(--card); border-top:1px solid var(--line); }
  .contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:4rem; margin-bottom:5rem; }
  .contact-info .item{ margin-bottom:1.7rem; }
  .contact-info .label{ font-size:0.74rem; letter-spacing:0.12em; text-transform:uppercase; color: var(--crimson); font-weight:700; margin-bottom:0.4rem; }
  .contact-info .value{ font-size:1.12rem; color: var(--ink); }
  .contact-quicklinks{ display:flex; gap:1rem; margin-top:1.8rem; flex-wrap:wrap; }
  .map-embed{ border-radius:8px; overflow:hidden; border:1px solid var(--line); margin-top:2rem; }
  .map-embed iframe{ width:100%; height:100%; min-height:260px; border:0; }

  form.contact-form{ display:flex; flex-direction:column; gap:1.05rem; }
  .form-row{ display:flex; gap:1rem; }
  .form-row > div{ flex:1; }
  label{ display:block; font-size:0.76rem; letter-spacing:0.06em; text-transform:uppercase; color: var(--slate); margin-bottom:0.5rem; font-weight:600; }
  input, textarea, select{
    width:100%; background: var(--paper); border:1px solid var(--line);
    border-radius:4px; padding:0.85rem 1rem; color: var(--ink); font-family:inherit; font-size:0.95rem;
    transition: border-color 0.3s var(--ease);
  }
  input:focus, textarea:focus, select:focus{ outline:none; border-color: var(--crimson); }
  textarea{ resize:vertical; min-height:105px; }
  .field-error{ color: var(--crimson); font-size:0.78rem; margin-top:0.35rem; display:none; }
  .field-error.show{ display:block; }
  .form-status{ font-size:0.9rem; margin-top:0.4rem; color:#1b7a45; display:none; }
  .form-status.show{ display:block; }

  footer.foot-bottom{
    border-top:1px solid var(--line); padding-top:2rem;
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem;
    color: var(--slate); font-size:0.82rem;
  }
  footer.foot-bottom a:hover{ color: var(--crimson); }

  .whatsapp-float{
    position:fixed; bottom:1.8rem; right:1.8rem; z-index:300;
    width:58px; height:58px; border-radius:50%;
    background:#25D366; display:flex; align-items:center; justify-content:center;
    box-shadow: 0 10px 26px -8px rgba(0,0,0,0.4);
    transition: transform 0.4s var(--ease);
  }
  .whatsapp-float:hover{ transform: scale(1.1); }

  [data-animate]{ opacity:0; }

  /* -------- Responsive -------- */
  @media (max-width:1024px){
    .hero-grid{ grid-template-columns:1fr; }
    .hero-img-wrap{ max-width:420px; }
    .feature-grid{ grid-template-columns: repeat(2,1fr); }
    .how-grid{ grid-template-columns: repeat(2,1fr); }
    .how-grid-wrap{ grid-template-columns:1fr; }
    .how-img-wrap{ position:static; max-width:420px; margin:0 auto 2rem; }
    .usecase-grid{ grid-template-columns: repeat(2,1fr); }
    .partner-grid{ grid-template-columns:1fr; gap:3rem; }
    .partner-img-wrap{ max-width:420px; }
    .testi-grid{ grid-template-columns:1fr; max-width:520px; margin:0 auto; }
    .stats-grid{ grid-template-columns: repeat(2,1fr); row-gap:2.2rem; }
    .gallery-grid{ grid-template-columns: repeat(2,1fr); }
    .g1,.g2,.g5{ grid-column:span 2; }
    .contact-grid{ grid-template-columns:1fr; gap:3rem; }
  }
  @media (max-width:760px){
    .nav-links, .nav-cta .btn-outline{ display:none; }
    .hamburger{ display:flex; }
    .feature-grid{ grid-template-columns:1fr; }
    .how-grid{ grid-template-columns:1fr; }
    .usecase-grid{ grid-template-columns:1fr 1fr; }
    .form-row{ flex-direction:column; }
  }
  @media (max-width:420px){ .container{ padding:0 5vw; } }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
  }