:root{--bg:#3A2520;--bg2:#2D1B17;--text:#FFE5D6;--muted:#CDAE9F;--coral:#FF8F6B;--peach:#FFBE99;--deep:#24130F;--line:#5A3A32;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);color-scheme:dark light}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){--bg:#FFF3EA;--bg2:#FFE5D6;--text:#2A1712;--muted:#7A4B3C;--line:#EBC9B8}}
:root[data-theme="light"]{--bg:#FFF3EA;--bg2:#FFE5D6;--text:#2A1712;--muted:#7A4B3C;--line:#EBC9B8}
*{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.55 Onest,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2{font-family:Unbounded,Onest,system-ui,sans-serif;font-weight:700;line-height:1.12;margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--peach);outline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(clamp(16px,4vw,32px),env(safe-area-inset-left,0px));padding-right:max(clamp(16px,4vw,32px),env(safe-area-inset-right,0px))}

/* header */
header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;padding:18px 0}
.hr{display:flex;align-items:center;gap:6px}
.lang{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;font-weight:600;color:var(--muted);text-decoration:none;border-radius:999px}
.lang:hover{color:var(--text)}
button.lang{border:0;background:none;cursor:pointer;font:600 15px Onest,system-ui,sans-serif}
.brand{display:flex;align-items:center;gap:12px;font:700 18px Unbounded,Onest,sans-serif;text-decoration:none}
.brand img{width:44px;height:44px;flex:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;text-align:center;background:var(--coral);color:var(--deep);font:600 17px Onest,system-ui,sans-serif;padding:14px 26px;border-radius:999px;text-decoration:none;border:0;cursor:pointer}
.btn:hover{background:var(--peach)}
.btn.sm{padding:8px 20px;font-size:15px;min-height:44px;white-space:nowrap}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,56px);align-items:center;padding:clamp(12px,4vw,40px) 0 clamp(40px,8vw,72px)}
.hero>*{min-width:0}
h1{font-size:clamp(27px,5.4vw,52px)}
.lead{color:var(--muted);font-size:clamp(16px,2.4vw,19px);max-width:30em;margin:20px 0 30px}
.note{color:var(--muted);font-size:14px;margin-top:14px}

/* phone mock */
.phone{background:#24130F;border-radius:32px;padding:20px;color:#FFE5D6;box-shadow:0 0 0 1px #5A3A32}
.phone .top{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid #4A2F28;font-weight:600}
.phone .top img{width:36px;height:36px;flex:none}
.phone .top small{display:block;font-weight:400;color:#CDAE9F;font-size:13px}
.msgs{display:flex;flex-direction:column;gap:12px;padding-top:18px}
.bub{border-radius:20px;padding:10px 16px;max-width:88%}
.me{align-self:flex-end;background:#FF8F6B;color:#24130F;border-bottom-right-radius:6px;font-weight:500}
.bot{align-self:flex-start;background:#3A2520;border-bottom-left-radius:6px}
.typing{display:flex;gap:5px;padding:14px 16px;animation:gone .01s 1.1s forwards}
.typing i{width:8px;height:8px;border-radius:50%;background:#CDAE9F;animation:b 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}
.typing i:nth-child(3){animation-delay:.3s}
.reply{animation:pop .35s 1.1s backwards}
.reply dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px}
.reply dt{color:#CDAE9F}
.reply dd{margin:0;overflow-wrap:anywhere}
.idbtn{font:600 20px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#24130F;color:#FFBE99;border:1px dashed #FF8F6B;border-radius:10px;padding:2px 10px;cursor:pointer}
.idbtn:hover{background:#2D1B17}
.grp{align-self:flex-start;max-width:88%;display:flex;flex-direction:column;gap:4px}
.grp .bub{max-width:none}
.ibtns{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.ibtns span{background:rgba(255,229,214,.14);border-radius:10px;text-align:center;padding:8px;font-size:14px;font-weight:500}
.c{font:600 15px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#24130F;color:#FFBE99;border-radius:6px;padding:1px 6px}
.late{animation:pop .35s 2.3s backwards}
.late2{animation:pop .35s 2.9s backwards}
.hint{font-size:13px;color:#CDAE9F;margin-top:10px;min-height:20px}
@keyframes b{50%{transform:translateY(-4px);opacity:.5}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.97)}}
@keyframes gone{to{opacity:0;height:0;padding:0;margin:-6px 0 0}}

/* sections */
section{padding:clamp(36px,7vw,56px) 0;border-top:1px solid var(--line)}
h2{font-size:clamp(22px,4.4vw,34px);margin-bottom:clamp(20px,4vw,28px)}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin:0}
.facts div{padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font-weight:600;font-size:18px}
.facts dd{margin:2px 0 0;color:var(--muted)}
.cmds dt{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s}
ol li{counter-increment:s;position:relative;padding-top:60px}
ol li::before{content:counter(s);position:absolute;top:0;left:0;width:44px;height:44px;border-radius:50%;background:var(--coral);color:var(--deep);font:700 18px/44px Unbounded,sans-serif;text-align:center}
ol b{display:block;font-size:19px;margin-bottom:4px}
ol span{color:var(--muted)}
.cta{background:var(--bg2);text-align:center;padding:64px 22px 72px}
.cta h2{margin-bottom:24px}
footer{padding:22px 0;color:var(--muted);font-size:14px;text-align:center}

/* 404 */
.err{min-height:60vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:clamp(24px,8vw,72px) 0}
.err .code{font:700 clamp(88px,22vw,200px)/1 Unbounded,Onest,system-ui,sans-serif;color:var(--coral);margin:0 0 12px}
.err h1{font-size:clamp(24px,4.4vw,40px)}

/* responsive */
@media (max-width:900px){.hero{grid-template-columns:1fr}.phone{width:100%;max-width:460px;margin:0 auto}.lead{max-width:34em}}
@media (max-width:700px){.facts{grid-template-columns:1fr}ol{grid-template-columns:1fr;gap:22px}ol li{padding:0 0 0 62px;min-height:44px}}
@media (max-width:560px){body{font-size:16px}header{padding:12px 0}.brand{font-size:16px;gap:10px}.brand img{width:38px;height:38px}.hero .btn,.cta .btn,.err .btn{display:flex;width:100%}.phone{padding:16px;border-radius:26px}.msgs{min-height:0}.bub,.grp{max-width:94%}.idbtn{font-size:18px}.cta{padding:44px 16px 52px}}
@media (max-width:380px){.brand{font-size:15px}.btn.sm{padding:8px 14px;font-size:14px}.reply dl{gap:6px 10px}}
@media (prefers-reduced-motion:reduce){.typing{display:none}.reply,.late,.late2,.typing i{animation:none}}