/* MindSync site. Palette and type follow lib/core/theme/app_theme.dart (midnight, cyan, Inter). */
@font-face{font-family:Inter;src:url(/assets/inter.woff2) format("woff2");font-weight:400 800;font-display:swap}
:root{
  --bg:#06061A;--surface:#0E0E2A;--line:rgba(255,255,255,.1);
  --text:#F4F4FF;--muted:#9A9BC4;--cyan:#22D3EE;--max:1080px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Arabic","Hiragino Sans","Noto Sans JP","Apple SD Gothic Neo","Noto Sans KR","PingFang SC","Noto Sans SC",sans-serif;font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%;display:block}
a{color:var(--text);text-underline-offset:4px;text-decoration-color:rgba(255,255,255,.35)}
a:hover{text-decoration-color:var(--cyan)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:min(var(--max),100% - 40px);margin-inline:auto}
.narrow{width:min(720px,100% - 40px)}
.center{text-align:center}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:#fff;color:var(--bg);padding:10px 16px;border-radius:8px;z-index:99;font-weight:600}
.skip:focus{top:12px}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.03em;line-height:1.08;text-wrap:balance}
h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:800;letter-spacing:-.04em}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin-bottom:.5em}
h3{font-size:1.25rem;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 1em}
:lang(ja),:lang(zh-Hans),:lang(ko),:lang(ar){--ls:0}
:lang(ja) h1,:lang(ja) h2,:lang(ja) h3,:lang(zh-Hans) h1,:lang(zh-Hans) h2,:lang(zh-Hans) h3,:lang(ko) h1,:lang(ko) h2,:lang(ko) h3,:lang(ar) h1,:lang(ar) h2,:lang(ar) h3{letter-spacing:0;line-height:1.3}
:lang(ja) h1,:lang(ja) h2,:lang(ja) h3,:lang(ja) .lead{word-break:auto-phrase;line-break:strict}
:lang(ja) h1,:lang(zh-Hans) h1,:lang(ko) h1{font-size:clamp(2.1rem,4.8vw,3.4rem)}
.sub,.lead{color:#b9bae0;font-size:1.1rem;max-width:56ch}
.lead{font-size:1.2rem}
.fine-print,.small{color:var(--muted);font-size:.9rem}

/* Header */
.top{position:sticky;top:0;z-index:20;background:rgba(6,6,26,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:28px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:1.05rem;text-decoration:none;letter-spacing:-.02em}
.brand img{border-radius:8px}
.nav{display:flex;gap:26px;margin-inline-start:auto}
.nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav a:hover{color:var(--text)}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:8px;color:var(--muted);font-size:.92rem}
.lang summary:hover{color:var(--text)}
.lang summary::-webkit-details-marker{display:none}
.lang svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6}
.lang .menu{position:absolute;inset-inline-end:0;top:calc(100% + 8px);min-width:170px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:6px;display:grid;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.lang .menu a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--muted)}
.lang .menu a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.lang .menu a[aria-current]{color:var(--cyan)}

/* Hero */
.hero{padding:clamp(48px,9vw,112px) 0 clamp(56px,8vw,100px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,88px);align-items:center}
.hero h1{margin-bottom:.45em}
.hero .fine-print{margin-top:4px}

/* Device: a plain bezel around real app captures */
.device{margin:0;width:min(300px,100%);justify-self:center;padding:9px;border-radius:46px;background:#0b0b1d;box-shadow:0 0 0 1px rgba(255,255,255,.16),0 50px 90px -30px rgba(0,0,0,.8)}
.device img,.device video{width:100%;height:auto;border-radius:37px;aspect-ratio:600/1220;object-fit:cover;background:var(--bg)}

/* Store buttons */
.stores{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 16px}
.store{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:12px;background:#fff;color:var(--bg);font-weight:600;font-size:.95rem;text-decoration:none;min-height:52px;line-height:1.2}
.store svg{width:22px;height:22px;fill:currentColor;flex:none}
.store span{display:flex;flex-direction:column}
.store small{font-size:.72rem;font-weight:500;color:#5b5c80}
.store:hover{background:#e7e7ff}
.store.soon{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.store.soon small{color:var(--cyan)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border:0;border-radius:12px;background:var(--cyan);color:var(--bg);font:600 1rem/1 Inter,system-ui,sans-serif;cursor:pointer;margin:6px 0 16px}
.btn:hover{background:#67e3f5}
.btn[aria-pressed=true]{background:#fff}

/* Sections */
.sec{padding:clamp(64px,10vw,128px) 0}
.rule{border-top:1px solid var(--line)}
.how{list-style:none;margin:48px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px)}
.how .n{display:block;font-size:.85rem;font-weight:600;color:var(--cyan);margin-bottom:14px;letter-spacing:.06em}
.how h3{margin-bottom:.5em}
.how p{color:#b9bae0;margin:0}

.modes{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px)}
.modes li{border-top:2px solid var(--accent);padding-top:18px}
.modes .band{color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.modes .hz{margin:0 0 6px;display:flex;align-items:baseline;gap:6px;color:var(--muted)}
.modes .hz b{font-size:clamp(3.2rem,6vw,4.6rem);line-height:1;color:var(--text);font-weight:800;letter-spacing:-.05em;font-feature-settings:"tnum"}
.modes h3{margin:8px 0 .4em}
.modes li p:last-child{color:#b9bae0;margin:0;font-size:.98rem}

.row{display:grid;grid-template-columns:1fr minmax(260px,300px);gap:clamp(32px,8vw,120px);align-items:center;padding:clamp(40px,6vw,72px) 0}
.row+.row{border-top:1px solid var(--line)}
.row:nth-of-type(even){grid-template-columns:minmax(260px,300px) 1fr}
.row:nth-of-type(even) .copy{order:2}
.row h3{font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.035em;margin-bottom:.6em}
.row .copy p{color:#b9bae0;max-width:46ch}
.extras{list-style:none;margin:0;padding:clamp(32px,5vw,56px) 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,48px);border-top:1px solid var(--line)}
.extras h3{font-size:1.05rem;margin-bottom:.5em}
.extras p{color:#b9bae0;font-size:.98rem;margin:0}

.demo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.scope{width:100%;border:1px solid var(--line);border-radius:16px;padding:10px;overflow:hidden;background:var(--surface)}
.scope .s1{animation:drift1 9s linear infinite}.scope .s2{animation:drift1 11s linear infinite reverse}
@keyframes drift1{to{transform:translateX(-400px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}video{display:none}.device:has(video){background:center/cover url(/assets/shots/en-player-focus.webp)}.device video{display:block;opacity:0}}

.safety{border-inline-start:2px solid #FBBF24;padding-inline-start:24px}
.safety h2{font-size:1.3rem;margin-bottom:.4em}
.safety p{margin:0 0 .8em;color:#cfd0ee;max-width:70ch}.safety p:last-child{margin:0}
.narrow .safety{margin-top:40px}
.qa{border-bottom:1px solid var(--line)}
.qa summary{cursor:pointer;font-weight:600;padding:20px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:1.05rem}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";color:var(--muted);font-size:1.4rem;line-height:1;font-weight:400}
.qa[open] summary::after{content:"–"}
.qa p{color:#b9bae0;white-space:pre-line;padding-bottom:6px;max-width:62ch}
#faq .fine-print{margin-top:28px}
.more{font-weight:600}
.closing h2{font-size:clamp(2.2rem,5vw,3.8rem);max-width:16ch}

/* Docs */
.doc{padding:56px 0 96px}
.doc h1{font-size:clamp(2.2rem,4.4vw,3rem);margin-bottom:.4em}
.doc p{color:#cfd0ee;max-width:66ch}
.doc .qa p{color:#b9bae0}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:28px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text)}
.smap h2{font-size:1.1rem;margin:32px 0 8px}.smap ul{margin:0;padding-inline-start:20px}.smap a{color:#cfd0ee}

/* Footer */
.foot{border-top:1px solid var(--line);padding:56px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.6fr;gap:32px}
.foot h2{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
.foot a{display:block;color:#cfd0ee;text-decoration:none;padding:3px 0;font-size:.95rem}
.foot a:hover{color:#fff}
.foot .brand{display:inline-flex;padding:0}
.foot .langs{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.foot p.muted{color:var(--muted);font-size:.95rem;margin-top:12px;max-width:26ch}
.fine{margin:40px 0 0;color:var(--muted);font-size:.85rem}

/* Language chooser / 404 */
.chooser main{min-height:100vh;display:grid;place-items:center;padding:40px 0}
.chooser-icon{border-radius:22px;margin:0 auto 20px}
.chooser h1{font-size:2.4rem}
.chooser-list{list-style:none;padding:0;margin:32px 0 0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chooser-list a{display:block;padding:10px 18px;border-radius:10px;box-shadow:inset 0 0 0 1px var(--line);text-decoration:none}
.chooser-list a:hover{box-shadow:inset 0 0 0 1px var(--cyan)}
.chooser .lead{margin-inline:auto}

@media (max-width:900px){
  .hero-grid,.demo{grid-template-columns:1fr}
  .row,.row:nth-of-type(even){grid-template-columns:1fr}
  .row:nth-of-type(even) .copy{order:0}
  .row .device{justify-self:start}
  .how,.extras{grid-template-columns:1fr}
  .modes{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}.lang{margin-inline-start:auto}
}
@media (max-width:560px){
  .modes,.foot-grid{grid-template-columns:1fr}
  .store{width:100%}
  body{font-size:16px}
}