:root[data-theme="dark"]{
--bg:#0a0e1a;--bg2:#0f1526;--surface:#151e35;--surface2:#1c2640;
--border:rgba(255,255,255,0.07);--border-h:rgba(149,117,205,0.4);
--text:#e8e4f0;--muted:#a4a8bbdf;--accent:#9575cd;--accent2:#b39ddb;
--accentbg:rgba(149,117,205,0.12);--nav:rgba(10,14,26,0.88);
--hero-img-filter:brightness(0.18) saturate(0.5);
--card-shadow:0 4px 32px rgba(149,117,205,0.08);
}
:root[data-theme="light"]{
--bg:#f7f5ff;--bg2:#eeeaf7;--surface:#ffffff;--surface2:#f0ecfb;
--border:rgba(0,0,0,0.08);--border-h:rgba(103,58,183,0.4);
--text:#1a1528;--muted:#6b6480;--accent:#6c3fc4;--accent2:#8860d0;
--accentbg:rgba(108,63,196,0.08);--nav:rgba(247,245,255,0.9);
--hero-img-filter:brightness(0.5) saturate(0.4);
--card-shadow:0 4px 32px rgba(108,63,196,0.1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;transition:background .5s,color .5s}
/* NAV */
nav{
    position:fixed;top:0;left:0;right:0;z-index:100;
    display:flex;align-items:center;justify-content:space-between;
    padding:1.1rem 2.5rem;
    background:var(--nav);backdrop-filter:blur(24px);
    border-bottom:1px solid var(--border);
    animation:navSlide .6s ease both;
    transition:background .5s;
}

@keyframes navSlide{from{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}
.logo{font-family:'Playfair Display',serif;font-size:1.6rem;color:var(--accent);text-decoration:none;font-weight:700;letter-spacing:-.01em}
.logo span{color:var(--text);font-weight:400;font-style:italic}
.nav-links{display:flex;align-items:center;gap:1.8rem}
.nav-links a{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-decoration:none;transition:color .3s;position:relative;font-weight:500}
.nav-links a:not(.btn-nav):hover{color:var(--text)}
.btn-nav{
padding:.55rem 1.4rem;background:var(--accent);color:#fff !important;
border-radius:6px;font-weight:600;font-size:.8rem !important;
transition:background .3s,transform .2s,box-shadow .3s;
box-shadow:0 2px 16px rgba(149,117,205,.3);
}
.btn-nav:hover{background:var(--accent2) !important;transform:translateY(-1px);box-shadow:0 4px 24px rgba(149,117,205,.4) !important}
.theme-btn{
width:40px;height:22px;background:var(--surface2);border:1px solid var(--border);
border-radius:11px;cursor:pointer;position:relative;flex-shrink:0;transition:background .4s;
}
.theme-btn::after{
content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;
border-radius:50%;background:var(--accent);transition:transform .4s cubic-bezier(.34,1.56,.64,1);
}
[data-theme="light"] .theme-btn::after{transform:translateX(18px)}

/* HERO */
.hero{
    min-height:100vh;display:flex;flex-direction:column;align-items:center;
    justify-content:center;text-align:center;padding:6rem 2rem 4rem;
    position:relative;overflow:hidden;
}
.hero-bg{
    position:absolute;inset:0;
    background-image:url('https://images.unsplash.com/photo-1484480974693-6ca0a78fb36b?w=1800&q=80');
    background-size:cover;background-position:center;
    filter:var(--hero-img-filter);transition:filter .6s;
}
.hero-glow{
    position:absolute;inset:0;
    background:radial-gradient(ellipse at 50% 60%,rgba(149,117,205,.18) 0%,transparent 65%);
    pointer-events:none;
}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero-badge{
display:inline-flex;align-items:center;gap:.5rem;
font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
color:var(--accent);border:1px solid var(--border-h);
background:var(--accentbg);padding:.4rem 1.1rem;border-radius:20px;
margin-bottom:2rem;
animation:fadeUp .7s .15s both;
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-title{
font-family:'Playfair Display',serif;
font-size:clamp(3rem,8vw,6.5rem);
font-weight:700;line-height:1.04;margin-bottom:1.2rem;
animation:fadeUp .7s .3s both;
}
.hero-title em{font-style:italic;color:var(--accent)}
.hero-sub{
    font-size:1.05rem;color:var(--muted);max-width:520px;margin:0 auto 2.8rem;
    line-height:1.85;font-weight:300;
    animation:fadeUp .7s .45s both;
}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;animation:fadeUp .7s .6s both}
.btn-primary{
    padding:.85rem 2.2rem;background:var(--accent);color:#fff;
    border-radius:8px;font-weight:600;font-size:.88rem;letter-spacing:.04em;
    text-decoration:none;border:none;cursor:pointer;
    transition:background .3s,transform .2s,box-shadow .3s;
    box-shadow:0 4px 24px rgba(149,117,205,.35);
}
.btn-primary:hover{background:var(--accent2);transform:translateY(-2px);box-shadow:0 8px 32px rgba(149,117,205,.45)}
.btn-ghost{
    padding:.85rem 2.2rem;background:transparent;color:var(--text);
    border:1px solid var(--border);border-radius:8px;
    font-weight:500;font-size:.88rem;text-decoration:none;cursor:pointer;
    transition:border-color .3s,transform .2s,color .3s;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.hero-preview{
    position:relative;z-index:2;margin-top:4rem;max-width:700px;width:100%;
    animation:fadeUp .8s .75s both;
}
.preview-card{
background:var(--surface);border:1px solid var(--border);border-radius:16px;
padding:1.5rem;box-shadow:var(--card-shadow);text-align:left;
transition:background .5s;
}
.preview-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem}
.preview-title{font-weight:600;font-size:.95rem}
.preview-meta{font-size:.75rem;color:var(--muted)}
.preview-tasks{display:flex;flex-direction:column;gap:.6rem}
.pt{display:flex;align-items:center;gap:.75rem;padding:.6rem .75rem;border-radius:8px;background:var(--bg2);transition:background .3s}
.pt:hover{background:var(--accentbg)}
.pt-check{width:18px;height:18px;border-radius:50%;border:2px solid var(--border-h);flex-shrink:0;transition:background .3s,border-color .3s;cursor:pointer}
.pt.done .pt-check{background:var(--accent);border-color:var(--accent);position:relative}
.pt.done .pt-check::after{content:'✓';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:10px;color:#fff;font-weight:700}
.pt-text{font-size:.85rem;flex:1}
.pt.done .pt-text{text-decoration:line-through;color:var(--muted)}
.pt-tag{font-size:.68rem;padding:.2rem .6rem;border-radius:10px;font-weight:500;background:var(--accentbg);color:var(--accent)}
.scroll-cue{
position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);
display:flex;flex-direction:column;align-items:center;gap:.4rem;
color:var(--muted);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
animation:fadeIn 1s 1.2s both;
}
.scroll-line{width:1px;height:44px;background:linear-gradient(to bottom,var(--accent),transparent);animation:scrollAnim 2.2s infinite}
@keyframes scrollAnim{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* FEATURES */
.features{padding:7rem 2.5rem;max-width:1100px;margin:0 auto}
.s-label{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:.7rem;font-weight:600}
.s-title{font-family:'Playfair Display',serif;font-size:clamp(2rem,4vw,3.2rem);font-weight:700;line-height:1.2;margin-bottom:3.5rem}
.s-title em{font-style:italic;color:var(--accent)}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5px;background:var(--border)}
.feat-card{
    background:var(--bg);padding:2.2rem;
    opacity:0;transform:translateY(32px);
    transition:opacity .6s,transform .6s,background .3s;
}
.feat-card.visible{opacity:1;transform:translateY(0)}
.feat-card:hover{background:var(--surface)}
.feat-icon{width:42px;height:42px;border-radius:10px;background:var(--accentbg);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;font-size:1.1rem}
.feat-name{font-weight:600;font-size:1rem;margin-bottom:.6rem}
.feat-desc{font-size:.87rem;color:var(--muted);line-height:1.8}

/* SHOWCASE */
.showcase{padding:6rem 2.5rem;background:var(--bg2);transition:background .5s}
.showcase-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.sc-img{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/11;opacity:0;transform:translateX(-32px);transition:opacity .8s,transform .8s}
.sc-img.visible{opacity:1;transform:translateX(0)}
.sc-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.sc-img:hover img{transform:scale(1.04)}
.sc-img::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(149,117,205,.25),transparent)}
.sc-text{opacity:0;transform:translateX(32px);transition:opacity .8s .15s,transform .8s .15s}
.sc-text.visible{opacity:1;transform:translateX(0)}
.sc-text .s-title{margin-bottom:1.2rem}
.sc-text p{color:var(--muted);line-height:1.9;margin-bottom:1.5rem;font-size:.93rem}
.sc-text ul{list-style:none;display:flex;flex-direction:column;gap:.65rem;margin-bottom:2rem}
.sc-text li{display:flex;align-items:center;gap:.7rem;font-size:.88rem;color:var(--muted)}
.sc-text li::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0}

/* HOW IT WORKS */
.how{padding:7rem 2.5rem;max-width:1100px;margin:0 auto}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3.5rem}
.step{text-align:center;opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.step.visible{opacity:1;transform:translateY(0)}
.step-num{
    width:56px;height:56px;border-radius:50%;background:var(--accentbg);border:1px solid var(--border-h);
    display:flex;align-items:center;justify-content:center;margin:0 auto 1.2rem;
    font-family:'Playfair Display',serif;font-size:1.4rem;color:var(--accent);font-weight:700;
}
.step-title{font-weight:600;margin-bottom:.6rem;font-size:1rem}
.step-desc{font-size:.85rem;color:var(--muted);line-height:1.8}

/* CTA BANNER */
.cta-banner{
    margin:0 2.5rem 6rem;border-radius:20px;overflow:hidden;
    position:relative;padding:5rem 3rem;text-align:center;
}
.cta-banner-bg{
    position:absolute;inset:0;
    background-image:url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=1400&q=80');
    background-size:cover;background-position:center;
    filter:brightness(.12);transition:filter .5s;
}
[data-theme="light"] .cta-banner-bg{filter:brightness(.35)}
.cta-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(149,117,205,.22),transparent 70%)}
.cta-content{position:relative;z-index:1;max-width:560px;margin:0 auto}
.cta-content .s-title{color:var(--text);margin-bottom:1rem}
.cta-content p{color:var(--muted);margin-bottom:2rem;line-height:1.8}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:2.5rem;display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:var(--muted);flex-wrap:wrap;gap:1rem}
footer a{color:var(--muted);text-decoration:none;transition:color .3s}
footer a:hover{color:var(--accent)}
@media(max-width:768px){
    .nav-links a:not(.btn-nav){display:none}
    nav{padding:1rem 1.5rem}
    .showcase-inner,.steps{grid-template-columns:1fr;gap:2.5rem}
}