:root{
    --bg:#ffffff;
    --bg-soft:#f6f3fc;
    --ink:#18131f;
    --muted:#65616e;
    --purple:#7c3aed;
    --purple-deep:#5b21b6;
    --purple-line:#e4d9fb;
    --pill-bg:#f1ebfc;
    --border:#efedf5;
    --card-tag-bg:rgba(255,255,255,.9);
  }
  html[data-theme="dark"]{
    --bg:#0f0b17;
    --bg-soft:#18121f;
    --ink:#f4f1fa;
    --muted:#a79fb3;
    --purple:#9d6dfb;
    --purple-deep:#c9b6ff;
    --purple-line:#3a2c52;
    --pill-bg:#231a33;
    --border:#2a2236;
    --card-tag-bg:rgba(24,19,31,.75);
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth; scrollbar-color:var(--purple-deep) var(--bg-soft); scrollbar-width:thin;}
  ::-webkit-scrollbar{width:11px;}
  ::-webkit-scrollbar-track{background:var(--bg-soft);}
  ::-webkit-scrollbar-thumb{
    background-color:var(--purple-deep);
    border-radius:10px;
    border:2px solid var(--bg-soft);
  }
  ::-webkit-scrollbar-thumb:hover{background-color:var(--purple);}
  body{
    font-family:'Inter',sans-serif;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    transition:background-color .35s ease, color .35s ease;
  }
  a{color:inherit; text-decoration:none;}
  h1,h2,h3,.mark{font-family:'Baloo 2',sans-serif;}

  /* ---------- NAV ---------- */
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:20px 6vw;
    border-bottom:1px solid var(--border);
    position:sticky; top:0; background:var(--bg); z-index:50;
    transition:background-color .35s ease, border-color .35s ease;
  }
  .mark{font-weight:700; font-size:1.3rem;}
  .mark sup{font-size:.6rem; font-weight:600;}
  .nav-right{display:flex; align-items:center; gap:34px;}
  .nav-links{display:flex; gap:26px; list-style:none; font-family:'Baloo 2',sans-serif; font-weight:600; font-size:.98rem;}
  .nav-links a{position:relative; padding-bottom:6px; color:var(--ink);}
  .nav-links a.active{color:var(--ink);}
  .nav-links a.active::after{
    content:''; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--purple);
  }
  .nav-links a:not(.active){color:var(--muted);}
  .nav-links a:hover{color:var(--purple);}
  .theme-toggle{
    width:38px; height:38px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    cursor:pointer; color:var(--ink);
    border:1px solid var(--purple-line); background:var(--pill-bg);
    transition:background-color .3s ease, border-color .3s ease, transform .15s ease;
  }
  .theme-toggle:hover{transform:scale(1.06);}
  .theme-toggle svg{display:block;}

  .hamburger{
    display:none;
    width:38px; height:38px;
    border-radius:10px;
    border:1px solid var(--purple-line); background:var(--pill-bg);
    cursor:pointer;
    flex-direction:column; align-items:center; justify-content:center; gap:4px;
  }
  .hamburger span{
    width:18px; height:2px; background:var(--ink); border-radius:2px;
    transition:background-color .3s ease;
  }

  .mobile-menu{
    position:fixed; inset:0; z-index:150;
    background:var(--bg);
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:30px;
    transform:translateY(-100%);
    transition:transform .35s cubic-bezier(.2,.8,.2,1);
  }
  .mobile-menu.open{transform:translateY(0);}
  .mobile-link{
    font-family:'Baloo 2',sans-serif; font-weight:700; font-size:1.7rem;
    color:var(--ink);
  }
  .mobile-link:hover{color:var(--purple);}
  .mobile-menu-close{
    position:absolute; top:22px; right:6vw;
    width:42px; height:42px; border-radius:50%;
    background:var(--pill-bg); border:1px solid var(--purple-line);
    color:var(--ink); font-size:1.5rem; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
  }

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    text-align:center;
    padding:90px 6vw 70px;
    background:radial-gradient(ellipse at 50% 0%, var(--bg-soft) 0%, var(--bg) 60%);
    transition:background .35s ease;
  }
  .hero-blob{
    position:absolute;
    border-radius:50%;
    filter:blur(70px);
    pointer-events:none;
    z-index:0;
  }
  .blob1{
    width:440px; height:440px;
    background:radial-gradient(circle, var(--purple) 0%, transparent 72%);
    opacity:.45;
    top:-160px; left:-100px;
    animation:floatBlob1 13s ease-in-out infinite;
  }
  .blob2{
    width:380px; height:380px;
    background:radial-gradient(circle, #ec4899 0%, transparent 72%);
    opacity:.35;
    top:-60px; right:-90px;
    animation:floatBlob2 15s ease-in-out infinite;
  }
  .blob3{
    width:320px; height:320px;
    background:radial-gradient(circle, #38bdf8 0%, transparent 72%);
    opacity:.25;
    bottom:-140px; left:38%;
    animation:floatBlob3 17s ease-in-out infinite;
  }
  @keyframes floatBlob1{
    0%,100%{transform:translate(0,0) scale(1);}
    50%{transform:translate(50px,40px) scale(1.12);}
  }
  @keyframes floatBlob2{
    0%,100%{transform:translate(0,0) scale(1);}
    50%{transform:translate(-40px,50px) scale(1.15);}
  }
  @keyframes floatBlob3{
    0%,100%{transform:translate(-50%,0) scale(1);}
    50%{transform:translate(-50%,-30px) scale(1.1);}
  }
  .hero-content{position:relative; z-index:1;}
  .pill{
    display:inline-block; padding:8px 18px; border-radius:999px;
    background:var(--pill-bg); border:1px solid var(--purple-line);
    font-size:.75rem; font-weight:700; letter-spacing:.06em;
    color:var(--purple-deep); text-transform:uppercase;
    margin-bottom:26px;
  }
  .hero h1{
    font-size:clamp(2.6rem,6vw,4.6rem);
    font-weight:800;
    line-height:1.05;
    color:var(--ink);
  }
  .gradient-text{
    background:linear-gradient(90deg, var(--purple) 0%, #ec4899 30%, #38bdf8 60%, var(--purple) 100%);
    background-size:300% auto;
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    animation:gradientMove 6s ease infinite;
    display:inline-block;
  }
  @keyframes gradientMove{
    0%{background-position:0% 50%;}
    50%{background-position:100% 50%;}
    100%{background-position:0% 50%;}
  }
  .hero p.sub{
    max-width:640px; margin:26px auto 0;
    color:var(--muted); font-size:1.05rem; line-height:1.6;
  }
  .btn-primary{
    display:inline-block; margin-top:38px;
    background:var(--purple); color:#fff;
    font-family:'Baloo 2',sans-serif; font-weight:700; font-size:1.05rem;
    padding:16px 34px; border-radius:12px;
    box-shadow:0 10px 24px rgba(124,58,237,.28);
    border:none; cursor:pointer;
    position:relative; z-index:1;
    transition:transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease;
  }
  .btn-primary::before{
    content:'';
    position:absolute; inset:-10px;
    border-radius:18px;
    background:linear-gradient(135deg, var(--purple), #ec4899, #38bdf8);
    filter:blur(20px);
    opacity:.4;
    z-index:-1;
    transition:opacity .3s ease, transform .3s ease, filter .3s ease;
  }
  .btn-primary:hover{
    transform:translateY(-3px) scale(1.06);
    box-shadow:0 18px 40px rgba(124,58,237,.4);
  }
  .btn-primary:hover::before{
    opacity:.75;
    transform:scale(1.12);
    filter:blur(26px);
  }
  .btn-primary:active{transform:translateY(-1px) scale(1.02);}

  /* ---------- PROCESS SLIDER ---------- */
  .process{
    padding:90px 6vw 110px; text-align:center;
  }
  .eyebrow{
    font-size:.78rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
    color:var(--purple);
  }
  .process h2{
    font-size:clamp(1.9rem,3.4vw,2.6rem); font-weight:700; margin:14px 0 8px;
  }
  .underline{
    width:64px; height:4px; background:var(--purple); border-radius:2px;
    margin:0 auto 26px;
  }
  .process p.desc{
    max-width:640px; margin:0 auto 46px; color:var(--muted); line-height:1.6;
  }
  .compare{
    position:relative;
    max-width:900px; margin:0 auto;
    aspect-ratio:16/9;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 30px 60px rgba(24,19,31,.14);
    cursor:ew-resize;
    user-select:none;
  }
  .compare .pane{position:absolute; inset:0; display:flex; align-items:center; justify-content:center;}
  .pane-before{background:linear-gradient(160deg,#e9e6f2,#cfc9e3); }
  .pane-after{background:linear-gradient(160deg,#7c3aed,#312057); clip-path:inset(0 0 0 50%);}
  .sketch-shape, .final-shape{width:70%; height:70%; position:relative;}
  .sketch-shape svg, .final-shape svg{width:100%; height:100%;}
  .tag{
    position:absolute; bottom:18px;
    font-family:'Inter',sans-serif; font-size:.7rem; font-weight:700; letter-spacing:.06em;
    color:#fff; background:rgba(24,19,31,.55); padding:8px 14px; border-radius:999px;
    backdrop-filter:blur(3px);
  }
  .tag.left{left:18px;}
  .tag.right{right:18px;}
  .handle{
    position:absolute; top:0; bottom:0; left:50%;
    width:3px; background:#fff; box-shadow:0 0 0 1px rgba(0,0,0,.06);
    transform:translateX(-50%);
  }
  .handle .knob{
    position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    width:42px; height:42px; border-radius:50%; background:#fff;
    border:2px solid var(--purple);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 6px 16px rgba(24,19,31,.25);
  }

  /* ---------- GALLERY ---------- */
  .gallery{
    background:var(--bg-soft);
    padding:90px 6vw 110px;
    transition:background-color .35s ease;
  }
  .gallery-head{max-width:640px; margin-bottom:36px;}
  .gallery-head .eyebrow{display:block; margin-bottom:10px;}
  .gallery-head h2{font-size:clamp(2rem,4vw,2.6rem); font-weight:700;}
  .gallery-head .underline{margin:16px 0 0; }
  .filters{
    display:flex; gap:12px; flex-wrap:wrap; margin-bottom:40px;
  }
  .filter-btn{
    padding:10px 22px; border-radius:999px; border:1px solid var(--purple-line);
    background:var(--bg); font-family:'Baloo 2',sans-serif; font-weight:600; font-size:.92rem;
    letter-spacing:.01em; color:var(--ink);
    cursor:pointer; transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
  }
  .filter-btn:hover{transform:translateY(-1px);}
  .filter-btn.active{background:var(--purple); color:#fff; border-color:var(--purple);}
  .filter-btn:not(.active):hover{border-color:var(--purple);}

  .grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:26px;
  }
  .card{
    border-radius:16px; overflow:hidden; position:relative;
    aspect-ratio:16/10; box-shadow:0 14px 30px rgba(24,19,31,.10);
    transition:transform .25s ease, box-shadow .25s ease;
    cursor:pointer;
  }
  .card:hover{transform:translateY(-4px); box-shadow:0 22px 40px rgba(24,19,31,.16);}
  .card .thumb{
    position:absolute; inset:0;
    background-size:cover; background-position:center;
    transition:transform .4s ease;
  }
  .card:hover .thumb{transform:scale(1.06);}
  .card .cat-tag{
    position:absolute; top:14px; left:14px;
    font-size:.68rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
    background:var(--card-tag-bg); color:var(--purple-deep);
    padding:6px 12px; border-radius:999px;
  }

  @media (max-width:860px){
    .nav-links{display:none;}
    .hamburger{display:flex;}
    .grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:700px){
    nav{padding:16px 5vw;}
    .mark{font-size:1.1rem;}
    .hero{padding:64px 6vw 52px;}
    .hero p.sub{font-size:.95rem;}
    .blob1{width:280px; height:280px; top:-100px; left:-90px;}
    .blob2{width:230px; height:230px; top:-40px; right:-70px;}
    .blob3{width:190px; height:190px; bottom:-90px;}
    .process{padding:64px 6vw 70px;}
    .compare{aspect-ratio:9/6; border-radius:16px; max-width:100%;}
    .tag{font-size:.65rem; padding:6px 12px; bottom:14px;}
    .tag.left{left:12px;}
    .tag.right{right:12px;}
    .handle .knob{width:36px; height:36px;}
    .gallery{padding:60px 6vw 70px;}
    .filters{gap:10px; margin-bottom:30px;}
    .filter-btn{padding:9px 16px; font-size:.85rem;}
    .contact{padding:70px 6vw 60px;}
    footer{justify-content:center; padding:20px 6vw;}
    .lightbox-close{top:16px; right:16px; width:38px; height:38px; font-size:1.4rem;}
  }
  @media (max-width:560px){
    .grid{grid-template-columns:1fr;}
    .hero h1{font-size:clamp(2.2rem,10vw,3rem);}
    .btn-primary{display:block; width:100%;}
    .btn-primary.small{width:auto;}
    .email-btn{width:100%; justify-content:center;}
    .process{padding:48px 6vw 50px;}
    .compare{aspect-ratio:1.2/1; border-radius:14px;}
    .tag{font-size:.6rem; padding:5px 10px; bottom:10px;}
    .tag.left{left:10px;}
    .tag.right{right:10px;}
    .handle .knob{width:30px; height:30px; border-width:1.5px;}
    .process p.desc{font-size:.9rem; margin:0 auto 30px;}
    .review-grid{grid-template-columns:1fr;}
    .review-actions{flex-direction:column; align-items:flex-start;}
  }
  @media (prefers-reduced-motion: reduce){ *{transition:none !important;} }

  /* ---------- CONTACT ---------- */
  .contact{
    text-align:center;
    padding:100px 6vw 90px;
  }
  .contact h2{font-size:clamp(2rem,4vw,2.8rem); font-weight:700;}
  .contact p.desc{
    max-width:520px; margin:20px auto 34px; color:var(--muted); line-height:1.6;
  }
  .email-btn{
    display:inline-flex; align-items:center; gap:10px;
    background:var(--purple); color:#fff;
    font-family:'Baloo 2',sans-serif; font-weight:700; font-size:1.05rem;
    padding:16px 30px; border-radius:12px;
    box-shadow:0 10px 24px rgba(124,58,237,.28);
    position:relative; z-index:1;
    transition:transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease;
  }
  .email-btn::before{
    content:'';
    position:absolute; inset:-10px;
    border-radius:18px;
    background:linear-gradient(135deg, var(--purple), #ec4899, #38bdf8);
    filter:blur(20px);
    opacity:.4;
    z-index:-1;
    transition:opacity .3s ease, transform .3s ease, filter .3s ease;
  }
  .email-btn:hover{
    transform:translateY(-3px) scale(1.06);
    box-shadow:0 18px 40px rgba(124,58,237,.4);
  }
  .email-btn:hover::before{
    opacity:.75;
    transform:scale(1.12);
    filter:blur(26px);
  }
  .email-btn:active{transform:translateY(-1px) scale(1.02);}

  /* ---------- FOOTER ---------- */
  footer{
    border-top:1px solid var(--border);
    padding:22px 6vw;
    display:flex; justify-content:flex-end;
    font-size:.85rem; color:var(--muted);
    transition:border-color .35s ease;
  }
  .made-with{
    display:flex; align-items:center; gap:6px;
    position:relative;
  }
  .heart-wrap{
    position:relative;
    display:inline-flex; align-items:center; justify-content:center;
    width:22px; height:22px;
  }
  .heart-glow{
    position:absolute;
    width:26px; height:26px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(236,72,153,.65) 0%, rgba(236,72,153,0) 70%);
    animation:pulseGlow 1.8s ease-in-out infinite;
  }
  .heart-wrap svg{
    position:relative; z-index:1;
    animation:pulseHeart 1.8s ease-in-out infinite;
  }
  @keyframes pulseHeart{
    0%,100%{transform:scale(1);}
    50%{transform:scale(1.18);}
  }
  @keyframes pulseGlow{
    0%,100%{transform:scale(.9); opacity:.7;}
    50%{transform:scale(1.5); opacity:1;}
  }
  @media (prefers-reduced-motion: reduce){
    .heart-glow, .heart-wrap svg, .gradient-text, .hero-blob{animation:none !important;}
  }

  /* ---------- LIGHTBOX ---------- */
  .lightbox{
    position:fixed; inset:0; z-index:200;
    background:rgba(10,7,15,.88);
    display:flex; align-items:center; justify-content:center;
    padding:6vw;
    opacity:0; pointer-events:none;
    transition:opacity .25s ease;
  }
  .lightbox.open{opacity:1; pointer-events:auto;}
  .lightbox img{
    max-width:90vw; max-height:85vh;
    border-radius:14px;
    box-shadow:0 30px 80px rgba(0,0,0,.5);
    transform:scale(.96);
    transition:transform .25s ease;
  }
  .lightbox.open img{transform:scale(1);}
  .lightbox-close{
    position:absolute; top:26px; right:32px;
    width:44px; height:44px; border-radius:50%;
    background:rgba(255,255,255,.12); color:#fff;
    border:1px solid rgba(255,255,255,.25);
    font-size:1.6rem; line-height:1; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    transition:background-color .2s ease, transform .15s ease;
  }
  .lightbox-close:hover{background:rgba(255,255,255,.22); transform:scale(1.06);}
  @media (prefers-reduced-motion: reduce){
    .lightbox, .lightbox img{transition:none !important;}
  }