/* TSAI: бумага, тушь, тёмно-зелёный. Мобильная версия — основная, десктоп расширяет сетки. */
:root{
  --paper:#F6F5F0; --paper-2:#EFEDE4; --sheet:#FFFFFF; --ink:#1C2420; --ink-soft:#56605A;
  --jade:#1F4D3B; --jade-deep:#163A2C; --jade-tint:#E4ECE7; --rule:#C9D2CC; --on-jade:#F3F6F2;
  --err:#9B2C2C;
  --f-display:"PT Serif",Georgia,serif; --f-body:"Golos Text",system-ui,sans-serif; --f-logo:"Jost","Futura",system-ui,sans-serif;
  --r:14px; --gutter:16px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0F1512; --paper-2:#131B17; --sheet:#151D19; --ink:#E7ECE8; --ink-soft:#A3AFA8; --jade:#4F9A79; --jade-deep:#1E4A38;
  --jade-tint:#1D2B24; --rule:#2C3A33; --on-jade:#0D1411; --err:#E08585; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0F1512; --paper-2:#131B17; --sheet:#151D19; --ink:#E7ECE8; --ink-soft:#A3AFA8; --jade:#4F9A79; --jade-deep:#1E4A38;
  --jade-tint:#1D2B24; --rule:#2C3A33; --on-jade:#0D1411; --err:#E08585; color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.55 var(--f-body);-webkit-font-smoothing:antialiased;
  padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
@media (min-width:900px){body{padding-bottom:0}}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.12;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-inline:max(var(--gutter),env(safe-area-inset-left,0px))}
section{padding-block:56px}
@media (min-width:900px){section{padding-block:88px}}
.lbl{font-family:var(--f-display);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.h2{font-size:clamp(1.7rem,5.2vw,2.6rem);margin:.5rem 0 .8rem}
.lead{color:var(--ink-soft);max-width:38em}
.rule{border:0;border-top:1px solid var(--rule);margin:0}
.muted{color:var(--ink-soft)}

/* logo */
.logo{display:inline-flex;flex-direction:column;align-items:center;line-height:1;text-decoration:none}
.logo b{font-family:var(--f-logo);font-weight:400;font-size:1.35rem;letter-spacing:.14em}
.logo small{font-family:var(--f-logo);font-size:.44rem;letter-spacing:.34em;margin-top:.22rem}

/* buttons */
.btn{appearance:none;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font:500 1rem/1 var(--f-body);padding:.95rem 1.35rem;min-height:48px;border-radius:999px;border:1.5px solid var(--jade);
  cursor:pointer;background:transparent;color:var(--jade);transition:transform .12s,background .2s,color .2s}
.btn:active{transform:scale(.97)}
.btn.fill{background:var(--jade);color:var(--on-jade)}
.btn.fill:hover{background:var(--jade-deep)}
.btn.light{border-color:var(--on-jade);color:var(--on-jade)}
.btn.sm{padding:.6rem 1rem;min-height:40px;font-size:.92rem}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
.btn svg{width:18px;height:18px;flex:none}
.btn[disabled]{opacity:.6;cursor:progress}

/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:60px}
.nav{display:none;gap:1.6rem;font-size:.95rem}
.nav a{text-decoration:none;color:var(--ink-soft)} .nav a:hover{color:var(--ink)}
@media (min-width:900px){.nav{display:flex}}
.top-cta{display:flex;gap:.5rem;align-items:center}
.icon-btn{width:40px;height:40px;border-radius:50%;display:inline-grid;place-items:center;border:1px solid var(--rule);color:var(--jade);background:var(--sheet)}
.icon-btn svg{width:19px;height:19px}

/* hero */
.hero{padding-block:28px 48px;position:relative;overflow:hidden}
.hero .wrap{display:grid;gap:28px}
@media (min-width:900px){.hero{padding-block:64px 88px}.hero .wrap{grid-template-columns:1.05fr 1fr;align-items:center;gap:56px}}
.hero h1{font-size:clamp(2.2rem,8.6vw,3.9rem);margin:.7rem 0 1rem;letter-spacing:-.01em}
.hero h1 em{font-style:italic;font-weight:400;color:var(--jade)}
.proof{display:flex;gap:.75rem;align-items:center;background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r);
  padding:.8rem 1rem;margin:0 0 1.3rem;max-width:30rem}
.proof .seal{flex:none;width:40px;height:40px;border-radius:8px;background:var(--jade);color:var(--on-jade);display:grid;place-items:center;
  font-family:var(--f-display);font-weight:700;font-size:1.05rem}
.proof b{display:block;font-size:.98rem;line-height:1.3}
.proof span{font-size:.84rem;color:var(--ink-soft)}
.hero .cta{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.hero .cta .btn{flex:1 1 200px}
@media (min-width:900px){.hero .cta .btn{flex:0 0 auto}}
.hero-art{position:relative}
.hero-art img{border-radius:var(--r);aspect-ratio:16/11;object-fit:cover;width:100%;box-shadow:0 40px 70px -40px rgba(10,30,20,.55)}
.hero-art .chip{position:absolute;left:12px;bottom:12px;background:var(--sheet);color:var(--ink);border-radius:999px;padding:.45rem .85rem;
  font-size:.82rem;box-shadow:0 8px 20px -10px rgba(0,0,0,.35)}

/* facts */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--rule);background:var(--sheet)}
.facts div{padding:16px 10px;text-align:center}
.facts div+div{border-left:1px solid var(--rule)}
.facts b{display:block;font-family:var(--f-display);font-size:clamp(1.3rem,5vw,2rem);color:var(--jade);line-height:1.1}
.facts small{font-size:.78rem;color:var(--ink-soft);line-height:1.3;display:block;margin-top:.25rem}

/* calculator */
.calc{display:grid;gap:20px;margin-top:1.6rem}
@media (min-width:900px){.calc{grid-template-columns:1fr 1.15fr;gap:32px}}
.panel{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r);padding:20px}
.calc label{display:block;font-weight:500;margin-bottom:.5rem}
.cups{display:flex;align-items:center;gap:12px}
.cups input[type=range]{flex:1;accent-color:var(--jade);height:32px}
.cups input[type=number]{width:88px;font:600 1.3rem var(--f-display);text-align:center}
.seg{display:inline-flex;border:1px solid var(--rule);border-radius:999px;padding:3px;margin-top:.4rem;flex-wrap:wrap}
.seg button{appearance:none;border:0;background:transparent;color:var(--ink-soft);font:500 .92rem var(--f-body);padding:.55rem .95rem;border-radius:999px;cursor:pointer;min-height:40px}
.seg button[aria-pressed=true]{background:var(--jade);color:var(--on-jade)}
.result{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border-radius:var(--r);overflow:hidden;border:1px solid var(--rule)}
.result div{background:var(--sheet);padding:16px}
.result div.big{grid-column:1/-1;background:var(--jade);color:var(--on-jade)}
.result small{display:block;font-size:.8rem;color:var(--ink-soft);line-height:1.3}
.result .big small{color:inherit;opacity:.8}
.result b{display:block;font-family:var(--f-display);font-size:clamp(1.25rem,4.6vw,1.6rem);margin-top:.2rem;font-variant-numeric:tabular-nums}
.result .big b{font-size:clamp(1.7rem,7vw,2.4rem)}
.fine{font-size:.8rem;color:var(--ink-soft);margin-top:.8rem}

/* collection */
.group-title{font-family:var(--f-display);font-size:1.15rem;margin:2rem 0 .9rem;display:flex;align-items:center;gap:.8rem}
.group-title::after{content:"";flex:1;border-top:1px solid var(--rule)}
.teas{display:grid;gap:16px}
@media (min-width:640px){.teas{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tea{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.tea .ph{aspect-ratio:16/10;background:var(--paper-2);overflow:hidden;position:relative}
.tea .ph img{width:100%;height:100%;object-fit:cover}
.tea .ph svg{position:absolute;inset:0;margin:auto;width:46%;height:auto;color:var(--jade);opacity:.55}
.tea .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:.35rem;flex:1}
.tea h3{font-size:1.3rem}
.tea .alt{font-family:var(--f-logo);letter-spacing:.12em;text-transform:uppercase;font-size:.72rem;color:var(--jade)}
.tea p{color:var(--ink-soft);font-size:.95rem}
.tea .btn{margin-top:auto;align-self:flex-start}
.tea .body > .btn{margin-top:.8rem}

/* formats */
.formats{display:grid;gap:14px;margin-top:1.4rem}
@media (min-width:760px){.formats{grid-template-columns:repeat(3,minmax(0,1fr))}}
.fmt{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:.4rem}
.fmt.accent{border-color:var(--jade);box-shadow:inset 0 0 0 1px var(--jade)}
.fmt h3{font-size:1.25rem}
.fmt .price{font-family:var(--f-display);font-size:1.6rem;color:var(--jade);font-weight:700}
.fmt .price.tbd{font-size:1.05rem;font-weight:400;color:var(--ink-soft);font-style:italic}
.fmt p{color:var(--ink-soft);font-size:.93rem}
.fmt .btn{margin-top:auto}
.fmt .meta{font-size:.85rem}

/* forms */
.forms{background:var(--jade-deep);color:var(--on-jade);border-radius:0}
:root[data-theme="dark"] .forms{background:var(--jade-tint)}
.forms .lbl{color:color-mix(in srgb,var(--on-jade) 70%,transparent)}
.forms .lead{color:color-mix(in srgb,#F3F6F2 75%,transparent)}
.forms,.forms h2{color:#F3F6F2}
.tabs{display:flex;gap:4px;background:rgba(255,255,255,.08);border-radius:999px;padding:4px;margin:1.3rem 0 1rem;max-width:520px}
.tabs button{flex:1;appearance:none;border:0;background:transparent;color:#F3F6F2;font:500 .95rem var(--f-body);padding:.7rem .6rem;border-radius:999px;cursor:pointer;min-height:44px}
.tabs button[aria-selected=true]{background:#F3F6F2;color:#163A2C}
form.card{background:var(--sheet);color:var(--ink);border-radius:var(--r);padding:20px;display:grid;gap:14px;max-width:720px}
@media (min-width:640px){form.card{grid-template-columns:1fr 1fr;padding:28px}form.card .full{grid-column:1/-1}}
.field label{display:block;font-size:.86rem;font-weight:500;margin-bottom:.35rem}
input,select,textarea{width:100%;font:400 16px/1.3 var(--f-body);color:var(--ink);background:var(--paper);border:1px solid var(--rule);
  border-radius:10px;padding:.8rem .9rem;min-height:48px}
textarea{min-height:84px;resize:vertical}
.field.bad input,.field.bad select{border-color:var(--err)}
.err{color:var(--err);font-size:.8rem;margin-top:.3rem;display:none}
.field.bad .err{display:block}
.radios{display:flex;gap:8px;flex-wrap:wrap}
.radios label{flex:1 1 140px;display:flex;align-items:center;gap:.5rem;border:1px solid var(--rule);border-radius:10px;padding:.7rem .8rem;cursor:pointer;font-weight:400;margin:0;min-height:48px}
.radios input{width:auto;min-height:0;accent-color:var(--jade)}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.submit-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.form-msg{font-size:.92rem}
.form-msg.ok{color:var(--jade)} .form-msg.bad{color:var(--err)}
.done{text-align:center;padding:24px 8px}
.done .tick{width:56px;height:56px;border-radius:50%;background:var(--jade);color:var(--on-jade);display:grid;place-items:center;font-size:1.6rem;margin:0 auto .8rem}
.done h3{font-size:1.35rem;margin-bottom:.3rem}
.or{margin-top:1.1rem;font-size:.92rem;color:color-mix(in srgb,#F3F6F2 80%,transparent)}
.or .btn{margin:.5rem .4rem 0 0}

/* contacts & footer */
.contacts{display:grid;gap:10px;margin-top:1.2rem}
@media (min-width:640px){.contacts{grid-template-columns:repeat(3,minmax(0,1fr))}}
.contact{display:flex;align-items:center;gap:.8rem;padding:16px;border:1px solid var(--rule);border-radius:var(--r);background:var(--sheet);text-decoration:none}
.contact svg{width:28px;height:28px;color:var(--jade);flex:none}
.contact b{display:block}
.contact span{font-size:.85rem;color:var(--ink-soft)}
footer{border-top:1px solid var(--rule);padding:28px 0 36px;font-size:.88rem;color:var(--ink-soft)}
footer .wrap{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}

/* mobile contact bar */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;background:color-mix(in srgb,var(--sheet) 94%,transparent);backdrop-filter:blur(10px);
  border-top:1px solid var(--rule);padding:10px max(12px,env(safe-area-inset-left,0px)) calc(10px + env(safe-area-inset-bottom,0px));display:flex;gap:8px}
.dock .btn{flex:1;padding:.7rem .4rem;min-height:48px;font-size:.92rem}
@media (min-width:900px){.dock{display:none}}

/* ink brush decoration */
.brush{position:absolute;pointer-events:none;color:var(--jade);opacity:.07;z-index:-1}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media (max-width:369px){.top .top-cta .btn.sm{display:none}}