:root{--bg:#0b0d12;--card:#121520;--alt:#0e1118;--text:#e8ecf2;--muted:#9aa3af;--accent:#5aa7ff;--line:#1b2230;--blue:#5aa7ff;--green:#4fd1a1;--purple:#9f7aea;--teal:#5ad1d8;--orange:#f6a36a;--pink:#ff8ab5}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(11,13,18,.7);backdrop-filter:saturate(150%) blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700}
.logo{display:inline-flex;align-items:center;justify-content:center}
.logo img{width:32px;height:32px;border-radius:8px;display:block}
.name{font-size:16px;opacity:.9}
.nav a{color:var(--muted);text-decoration:none;margin:0 10px;font-size:14px}
.nav a:hover{color:var(--text)}
.lang-switch{display:flex;gap:8px}
.lang-switch button{background:transparent;color:var(--muted);border:1px solid var(--line);padding:6px 10px;border-radius:8px;cursor:pointer}
.lang-switch button.active{color:var(--text);border-color:var(--accent)}
.hero{padding:72px 0 120px 0;background:radial-gradient(1200px 600px at 70% -10%, rgba(90,167,255,.2), transparent),linear-gradient(180deg, #0b0d12 0%, #0b0d12 100%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero-copy{text-align:left}
.hero-copy h1{font-size:42px;margin:0 0 18px 0}
.hero .subtitle{color:var(--muted);font-size:18px;margin:0 0 22px 0}
.hero-bullets{margin:0 0 26px 0;color:var(--muted);padding-left:0;list-style-position:inside;list-style-type:disc}
.hero-bullets li{margin-left:0}
.hero-visual{display:flex;justify-content:center}
.phone-mock{width:300px;aspect-ratio:9/18.6;border-radius:40px;background:linear-gradient(180deg,#0f1420,#0b0f19);border:1px solid var(--line);box-shadow:0 10px 40px rgba(0,0,0,.4)}
.phone-mock>.screen{width:92%!important;height:96%!important;margin:4%!important;border-radius:32px;background:#090d14;border:1px solid #111}
.screen-content{padding:0;height:100%;display:block;overflow:hidden;border-radius:28px}
.screen-shot{display:block;width:100%;height:100%;object-fit:contain;object-position:top center;border-radius:0;background:#090d14}
.mock-card{display:none}
.mock-card.small{display:none}
.cta{display:flex;gap:18px;margin-top:28px}
.btn{display:inline-block;padding:16px 24px;border-radius:14px;font-weight:700;text-decoration:none;font-size:16px}
.btn.primary{background:var(--accent);color:#06142a}
.btn.ghost{border:1px solid var(--line);color:var(--text)}
.btn.store{background:#fff;color:#111}
.btn.disabled{opacity:.5;pointer-events:none}
.section{padding:92px 0;border-top:1px solid var(--line)}
.section.alt{background:var(--alt)}
.section h2{margin:0 0 14px 0}
.section .sub{margin-top:4px;margin-bottom:18px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:22px}
.features-grid.six{grid-template-columns:repeat(3,1fr);row-gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.card h3{margin:0 0 8px 0}
.card.mini{position:relative;display:flex;align-items:flex-end;justify-content:flex-start;height:220px;padding:18px 18px 20px 20px;border-radius:18px;border:1px solid var(--line);font-weight:700;color:#fff;overflow:hidden;background:#111;transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease}
.card.mini::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,0,0,.05) 0%, rgba(0,0,0,.35) 60%, rgba(0,0,0,.55) 100%)}
.card.mini:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.35);border-color:rgba(255,255,255,.22)}
.card.mini > span, .card.mini{font-size:18px;text-shadow:0 2px 12px rgba(0,0,0,.45)}

/* Use Cases background images */
#usecases .features-grid.six > .card.mini:nth-child(1){background-image:url('./assets/usecases/usecase-1.jpg');background-size:cover;background-position:center}
#usecases .features-grid.six > .card.mini:nth-child(2){background-image:url('./assets/usecases/usecase-2.jpg');background-size:cover;background-position:center}
#usecases .features-grid.six > .card.mini:nth-child(3){background-image:url('./assets/usecases/usecase-3.jpg');background-size:cover;background-position:center}
#usecases .features-grid.six > .card.mini:nth-child(4){background-image:url('./assets/usecases/usecase-4.jpg');background-size:cover;background-position:center}
#usecases .features-grid.six > .card.mini:nth-child(5){background-image:url('./assets/usecases/usecase-5.jpg');background-size:cover;background-position:center}
#usecases .features-grid.six > .card.mini:nth-child(6){background-image:url('./assets/usecases/usecase-6.jpg');background-size:cover;background-position:center}

@media (max-width:860px){
  #usecases .features-grid.six > .card.mini{height:180px}
}
.showcase-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:14px}
.showcase-grid.four{grid-template-columns:repeat(2, minmax(220px, 1fr));gap:18px}
.shot{border-radius:14px;background:var(--card);border:1px solid var(--line);overflow:hidden;padding:8px}
.shot img{display:block;width:100%;max-width:320px;max-height:360px;height:auto;margin:0 auto;object-fit:contain;border-radius:8px}
.shot figcaption{padding:6px 6px 8px;color:var(--muted);font-size:12px;text-align:center}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
.testi-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 24px rgba(0,0,0,.24)}
.testi-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.avatar{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;font-weight:700;color:#0b0d12;background:linear-gradient(180deg,#9fd0ff,#5aa7ff)}
.avatar.green{background:linear-gradient(180deg,#a7f3d0,#4fd1a1)}
.avatar.purple{background:linear-gradient(180deg,#d6bcfa,#9f7aea)}
.meta .name{font-weight:700}
.meta .role{color:var(--muted);font-size:12px;margin-top:2px}
.testi-card .text{color:var(--muted);line-height:1.7;margin:8px 0 0 0}
.pricing{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.price-card.highlight{outline:1px solid var(--accent)}
.price{font-size:28px;margin:8px 0 12px 0}
.bullets{margin:12px 0 0 18px;color:var(--muted)}
.links{margin-top:14px}
.links .link{color:var(--accent);text-decoration:none}
.links .sep{opacity:.5;margin:0 8px}
.sub{color:var(--muted)}
.store-cta{margin-top:12px}
.site-footer{border-top:1px solid var(--line);padding:24px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;color:var(--muted)}
.foot-right .link{color:var(--muted);text-decoration:none;margin-left:12px}
.footer-inner .dot{opacity:.5}
@media (max-width:1024px){.features-grid.six{grid-template-columns:repeat(3,1fr)}.testi-grid{grid-template-columns:1fr}.pricing{grid-template-columns:1fr}.hero-inner{grid-template-columns:1fr}}
@media (max-width:860px){.features-grid{grid-template-columns:1fr}.showcase-grid{grid-template-columns:1fr}}

/* Feature card variants */
.card.accent{background:linear-gradient(180deg,rgba(90,167,255,.22),rgba(90,167,255,.06));border-color:rgba(90,167,255,.45);box-shadow:0 10px 28px rgba(90,167,255,.15)}
.card.accent h3{color:var(--blue)}
.card.outline{background:var(--bg);border:2px solid rgba(79,209,161,.55);box-shadow:0 0 0 3px rgba(79,209,161,.08) inset}
.card.outline h3{color:var(--green)}
.card.soft{background:linear-gradient(180deg,rgba(159,122,234,.16),rgba(159,122,234,.05));border-color:rgba(159,122,234,.35)}
.card.soft h3{color:var(--purple)}
.card.glass{background:linear-gradient(180deg,rgba(90,209,216,.12),rgba(90,209,216,.04));backdrop-filter:saturate(140%) blur(8px);border-color:rgba(90,209,216,.4)}
.card.glass h3{color:var(--teal)}
.card.line{position:relative;border-color:rgba(246,163,106,.35)}
.card.line::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--orange),#ffd28f);border-top-left-radius:16px;border-top-right-radius:16px}
.card.line h3{color:var(--orange)}
.card.plain{background:linear-gradient(180deg,rgba(255,138,181,.06),rgba(255,138,181,.02));border-color:rgba(255,138,181,.28)}
.card.plain h3{color:var(--pink)}