:root{
  --ink:#221f2b; --sub:#5c5867; --purple:#6b2fa0; --purple-dark:#5a2686;
  --pink-bg:#f9edf7; --tint-bg:#f7f5f2; --line:#e7e3ea; --danger:#c0392b;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:#fdfcfb;-webkit-tap-highlight-color:transparent}
a{color:var(--purple);text-decoration:none}
a:hover{color:var(--purple-dark)}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:560px}
.center-col{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}
.center{text-align:center}
h1,h2,h3{margin:0;font-weight:800;color:var(--ink)}
h1{font-size:clamp(26px,6vw,40px);line-height:1.15}
h2{font-size:clamp(22px,4vw,28px);margin-bottom:8px}
h3{font-size:16px}
.section-sub{margin:0;font-size:14px;line-height:1.6;color:var(--sub);max-width:520px}
.section{padding:48px 20px;background:#fff}
.section-tint{background:var(--tint-bg)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;border:none;text-align:center}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 20px rgba(107,47,160,.25)}
.btn-primary:hover{background:var(--purple-dark)}
.btn-outline{background:#fff;color:var(--purple);border:1.5px solid #c9a3dd}
.btn-outline:hover{background:var(--pink-bg)}
.btn-sm{font-size:14px;padding:0 16px;min-height:44px}
.btn-full{width:100%;min-height:50px;font-size:16px}

/* header */
.site-header{position:sticky;top:0;z-index:30;background:rgba(253,252,251,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:12px}
.brand{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:19px;font-weight:800;color:var(--purple)}
.brand-tag{font-size:10px;font-weight:500;color:var(--sub);letter-spacing:.02em}
.main-nav{display:flex;gap:22px;font-size:14px;font-weight:600}
.main-nav a{color:var(--ink)}
@media (max-width:640px){.main-nav{display:none}}

/* hero */
.hero{position:relative;padding:36px 20px 28px;background:linear-gradient(180deg,#f3e3f2 0%,#fdfcfb 78%);overflow:hidden}
.hero-glow{position:absolute;top:-60px;right:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(210,140,210,.5),transparent 70%);filter:blur(2px)}
.hero-inner{display:flex;flex-direction:column;align-items:center;gap:16px;position:relative}
.eyebrow{font-size:12px;font-weight:700;color:var(--purple);background:#f0dcee;padding:5px 12px;border-radius:100px;letter-spacing:.02em}
.hero h1{text-align:center}
.lead{margin:0 auto;max-width:520px;font-size:15px;line-height:1.6;color:#3f3a49;text-align:center}
.hero-img{width:min(88%,420px);height:auto;filter:drop-shadow(0 24px 36px rgba(90,30,90,.18))}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.pill{font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);padding:7px 13px;border-radius:100px}
.price-big{font-size:32px;font-weight:800;color:var(--purple)}
.price-big span, .price-mid span{font-size:14px;font-weight:600;color:var(--sub)}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;width:100%;max-width:440px}
.cta-row .btn{flex:1;min-width:200px}

/* video */
.video-row{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:center;width:100%;margin-top:8px}
.video-box{position:relative;width:min(100%,340px);aspect-ratio:9/16;border-radius:20px;overflow:hidden;background:#111;box-shadow:0 20px 40px rgba(30,20,40,.2)}
.video-cover{position:absolute;inset:0}
.video-cover img{width:100%;height:100%;object-fit:cover;filter:brightness(.82)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.92);border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.3);cursor:pointer}
.play-tri{width:0;height:0;border-top:11px solid transparent;border-bottom:11px solid transparent;border-left:16px solid var(--purple);margin-left:3px;display:block}
.video-caption{position:absolute;bottom:10px;left:0;right:0;text-align:center;color:#fff;font-size:12px;font-weight:600}
.video-box video{width:100%;height:100%;object-fit:contain;background:#000}
.video-side-card{display:flex;flex-direction:column;gap:12px;background:var(--pink-bg);border-radius:16px;padding:20px;max-width:320px}
.price-mid{font-size:24px;font-weight:800;color:var(--purple)}
.mini-list{margin:0;padding:0;list-style:none;font-size:13px;font-weight:600;color:#3f3a49;display:flex;flex-direction:column;gap:4px}
.mini-list li::before{content:"· "}

/* features */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;width:100%;margin-top:24px}
.feature-card{background:#fff;border-radius:16px;padding:22px;border:1px solid var(--line);text-align:left}
.feature-num{width:38px;height:38px;border-radius:10px;background:#f0dcee;color:var(--purple);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.feature-card h3{margin-bottom:8px}
.feature-card p{margin:0;font-size:13.5px;line-height:1.55;color:var(--sub)}

/* colors */
.colors-row{display:flex;flex-wrap:wrap;gap:32px;justify-content:center;align-items:flex-start;width:100%;margin-top:16px}
.swatches{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;max-width:380px}
.swatch{cursor:pointer;width:100%;border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center;border:2px solid var(--line);background:#fff;font-family:inherit}
.swatch img{width:100%;aspect-ratio:4/5;height:auto;object-fit:contain}
.swatch.selected{border-color:var(--purple);background:var(--pink-bg)}
.swatch:disabled,.color-choice:disabled,.step-btn:disabled,.btn:disabled{opacity:.55;cursor:not-allowed}
@media (min-width:520px){.swatches{max-width:none;width:auto}}
.swatch-label{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:700}
.swatch-label i{width:16px;height:16px;border-radius:50%;border:1px solid #ccc;display:inline-block}
.summary-card{flex:1;min-width:260px;max-width:400px;background:var(--pink-bg);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:12px}
.summary-card h3{margin-bottom:0}
.row{display:flex;justify-content:space-between;font-size:13.5px;color:#3f3a49;gap:10px}
.row strong{text-align:right}
.qty-row{align-items:center}
.stepper{display:flex;align-items:center;gap:10px}
.step-btn{width:32px;height:32px;border-radius:8px;border:1px solid #d8bfe6;background:#fff;font-size:16px;font-weight:700;color:var(--purple);cursor:pointer}
.stepper-lg .step-btn{width:44px;height:44px;font-size:18px}
.stepper span{min-width:20px;text-align:center;font-weight:700}
.divider{height:1px;background:#e2cdea;margin:4px 0}
.total-row{font-size:17px;font-weight:800;color:var(--purple)}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
details{background:#fff;border-radius:12px;border:1px solid var(--line);overflow:hidden;padding:0}
summary{padding:16px 18px;cursor:pointer;font-size:14.5px;font-weight:700;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--purple);font-weight:700}
details[open] summary::after{content:"–"}
details p{margin:0;padding:0 18px 16px;font-size:13.5px;line-height:1.6;color:var(--sub)}

/* order form */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:0 14px;min-height:46px;border-radius:10px;border:1.5px solid var(--line);font-size:15px;font-family:inherit}
.field textarea{padding:12px 14px;min-height:0;resize:vertical}
.field input.invalid,.field textarea.invalid{border-color:var(--danger)}
.error-text{margin:6px 0 0;font-size:12px;color:var(--danger);min-height:0}
.processing-note{margin:6px 0 0;font-size:12px;color:var(--sub)}
.color-btn-row{display:flex;gap:10px}
.color-choice{flex:1;min-height:44px;border-radius:10px;border:2px solid var(--line);background:#fff;font-size:14px;font-weight:700;color:var(--ink);cursor:pointer}
.color-choice.active{border-color:var(--purple);background:var(--pink-bg)}
.total-strip{background:var(--pink-bg);border-radius:12px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600;margin-bottom:16px}
.total-strip strong{font-size:18px;color:var(--purple)}
.success-card{text-align:center;display:flex;flex-direction:column;gap:14px;align-items:center;padding:28px 20px;background:var(--pink-bg);border-radius:16px}
.success-icon{width:52px;height:52px;border-radius:50%;background:var(--purple);color:#fff;font-size:26px;font-weight:800;display:flex;align-items:center;justify-content:center}
.success-summary{width:100%;max-width:340px;background:#fff;border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;text-align:left;font-size:13px}

/* footer */
.site-footer{padding:36px 20px 28px;background:#241f2c;color:#e8e4ee}
.footer-brand{font-size:18px;font-weight:800;color:#fff}
.footer-brand span{font-weight:500;color:#c9bcd8}
.footer-row{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:#cfc7db;margin:16px 0}
.footer-row a{color:#e2b8ec}
.footer-note{margin:0;font-size:12px;line-height:1.6;color:#a89cb8;max-width:640px}
.footer-copy{margin:8px 0 0;font-size:11px;color:#8d81a0}

/* sticky bar */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(30,20,40,.12);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:transform .2s ease}
.sticky-bar.hidden{transform:translateY(120%)}
.sticky-price{display:flex;flex-direction:column;font-size:11px;color:var(--sub);font-weight:600}
.sticky-price strong{font-size:18px;color:var(--purple)}
.sticky-bar .btn{flex:1;max-width:230px}
body{padding-bottom:76px}

[hidden]{display:none!important}
#video,#features,#colors,#faq,#order{scroll-margin-top:64px}

@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}