/* BIG4 — Дизайн-система «Obsidian & Verdigris». Общий стиль сайта. */

:root{
  --bg:#0B0F0E; --bg-elev:#121817; --surface:#19211F;
  --ink:#ECECE4; --ink-soft:#A8B0AC;
  --line:rgba(201,168,106,.14);
  --accent:#3FB6A8; --accent-strong:#2A8C82; --accent-2:#C9A86A;
  --v-excellent:#44B07E; --v-good:#4FA3C7; --v-bad:#E2A33C; --v-fatal:#D45B53;
  --shadow:0 30px 80px -40px rgba(0,0,0,.8);
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Manrope',system-ui,sans-serif;
  --mono:'IBM Plex Mono',monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --accent-ink:#06100E;
}
html[data-theme="light"]{
  --bg:#F4F1EA; --bg-elev:#FBF9F4; --surface:#FFFFFF;
  --ink:#1A201E; --ink-soft:#5A615D; --line:rgba(26,32,30,.12);
  --accent:#1F7A70; --accent-strong:#155F57; --accent-2:#9A7B3F;
  --shadow:0 30px 70px -45px rgba(26,32,30,.35); --accent-ink:#FFFFFF;
}
html[data-theme="sepia"]{
  --bg:#ECE0CC; --bg-elev:#F3E9D7; --surface:#F8F0E1;
  --ink:#2E2519; --ink-soft:#6E6049; --line:rgba(46,37,25,.14);
  --accent:#1F7A70; --accent-strong:#155F57; --accent-2:#8A6A2F;
  --shadow:0 28px 64px -44px rgba(46,37,25,.4); --accent-ink:#FBF7EE;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.65;
  -webkit-font-smoothing:antialiased;transition:background .5s var(--ease),color .5s var(--ease);overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.narrow{max-width:820px}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}
a{color:inherit}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:var(--accent-ink);border:0;border-radius:100px;
  padding:15px 30px;font-family:var(--sans);font-weight:700;font-size:.95rem;cursor:pointer;text-decoration:none;
  transition:transform .4s var(--ease),filter .3s}
.btn:hover{transform:translateY(-3px);filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.sm{padding:11px 22px;font-size:.86rem}

/* header */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:color-mix(in srgb,var(--bg) 74%,transparent);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:900;font-size:1.45rem;text-decoration:none}
.brand .four{color:var(--accent)}
.brand svg{width:34px;height:34px;flex:none}
nav.main{display:flex;gap:28px}
nav.main a{color:var(--ink-soft);text-decoration:none;font-size:.86rem;font-weight:600;transition:color .3s}
nav.main a:hover{color:var(--ink)}
.head-cta{display:flex;align-items:center;gap:14px}
@media(max-width:900px){nav.main{display:none}.head-cta .btn:not(.primary){display:none}}

/* section */
section{padding:88px 0;border-top:1px solid var(--line);position:relative}
section:first-of-type{border-top:0}
.sec-head{max-width:62ch;margin-bottom:50px}
.sec-head .idx{font-family:var(--mono);font-size:.74rem;color:var(--accent);letter-spacing:.18em;text-transform:uppercase}
.sec-head h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.9rem,4.2vw,3rem);margin-top:14px;line-height:1.1}
.sec-head p{color:var(--ink-soft);margin-top:16px;font-size:1.08rem}

/* page hero (internal) */
.page-hero{padding:72px 0 40px;position:relative;overflow-x:clip}
.page-hero::before{content:"";position:absolute;top:-120px;right:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 20%,transparent),transparent 62%);filter:blur(22px);z-index:-1}
.crumb{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:22px}
.crumb a{text-decoration:none;color:var(--accent)}
.page-hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(2.3rem,5.4vw,4rem);line-height:1.05;letter-spacing:-.01em;max-width:18ch;overflow-wrap:break-word}
.page-hero h1 em{font-style:italic;color:var(--accent);font-weight:500}
.page-hero .lede{margin-top:22px;font-size:clamp(1.04rem,2vw,1.25rem);color:var(--ink-soft);max-width:62ch}

/* prose */
.prose{max-width:760px}
.prose h2{font-family:var(--serif);font-weight:700;font-size:1.7rem;margin:46px 0 16px}
.prose h3{font-family:var(--sans);font-weight:700;font-size:1.15rem;margin:30px 0 10px}
.prose p{color:var(--ink-soft);margin-bottom:16px}
.prose ul{list-style:none;margin:0 0 18px}
.prose ul li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--ink-soft)}
.prose ul li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.prose strong{color:var(--ink)}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid,.grid.two{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px 26px;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.card .ic{width:42px;height:42px;color:var(--accent);margin-bottom:18px}
.card h3{font-family:var(--sans);font-weight:700;font-size:1.08rem;margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:.92rem;line-height:1.6}
.card .tag{font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);display:block;margin-top:14px}

/* service detail block */
.svc{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:34px 0;border-bottom:1px solid var(--line);align-items:start}
.svc:last-child{border-bottom:0}
.svc .ic{width:52px;height:52px;color:var(--accent)}
.svc h3{font-family:var(--serif);font-weight:700;font-size:1.5rem;margin-bottom:6px}
.svc .meta{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);margin-bottom:14px}
.svc p{color:var(--ink-soft);margin-bottom:12px}
.svc .out{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.svc .out span{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:100px;padding:6px 13px}
@media(max-width:620px){.svc{grid-template-columns:1fr}.svc .ic{width:44px;height:44px}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:24px;border-top:2px solid var(--accent)}
.step .n{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
.step h4{font-family:var(--serif);font-weight:700;font-size:1.25rem;margin:10px 0}
.step p{color:var(--ink-soft);font-size:.92rem}

/* verdict chips */
.chip{display:inline-flex;align-items:center;gap:12px;padding:13px 20px;border-radius:12px;font-family:var(--mono);font-size:.8rem;
  letter-spacing:.1em;text-transform:uppercase;border:1px solid;background:var(--bg-elev)}
.chip .pip{width:10px;height:10px;border-radius:50%}
.chip.ex{color:var(--v-excellent);border-color:color-mix(in srgb,var(--v-excellent) 40%,transparent)}.chip.ex .pip{background:var(--v-excellent)}
.chip.gd{color:var(--v-good);border-color:color-mix(in srgb,var(--v-good) 40%,transparent)}.chip.gd .pip{background:var(--v-good)}
.chip.bd{color:var(--v-bad);border-color:color-mix(in srgb,var(--v-bad) 40%,transparent)}.chip.bd .pip{background:var(--v-bad)}
.chip.ft{color:var(--v-fatal);border-color:color-mix(in srgb,var(--v-fatal) 40%,transparent)}.chip.ft .pip{background:var(--v-fatal)}

/* callout */
.callout{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:24px 28px;margin:26px 0}
.callout .mono{margin-bottom:8px;color:var(--accent)}
.callout p{color:var(--ink-soft);margin:0}

/* cta final */
.final{text-align:center}
.final h2{font-family:var(--serif);font-size:clamp(2rem,5vw,3.4rem);font-weight:900;max-width:18ch;margin:0 auto 20px}
.final p{color:var(--ink-soft);max-width:52ch;margin:0 auto 34px;font-size:1.1rem}
.contacts{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.disclaimer{margin-top:48px;font-size:.8rem;color:var(--ink-soft);max-width:70ch;margin-left:auto;margin-right:auto;opacity:.8;line-height:1.6}

footer{border-top:1px solid var(--line);padding:48px 0 60px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot .mono{font-size:.68rem}
.foot nav{display:flex;gap:22px;flex-wrap:wrap}
.foot nav a{text-decoration:none;color:var(--ink-soft);font-size:.82rem;transition:color .3s}
.foot nav a:hover{color:var(--accent)}

/* language switch + country chip */
.lang-switch{display:flex;gap:2px;border:1px solid var(--line);border-radius:100px;padding:3px}
.lang-switch button{border:0;background:transparent;color:var(--ink-soft);cursor:pointer;border-radius:100px;padding:6px 9px;font-family:var(--mono);font-size:.62rem;letter-spacing:.06em;transition:.25s}
.lang-switch button.on{background:var(--accent);color:var(--accent-ink)}
.country-chip{border:1px solid var(--line);background:transparent;border-radius:50%;width:28px;height:28px;font-size:.85rem;line-height:1;padding:0;cursor:pointer;transition:.25s;flex:none}
.country-chip:hover{border-color:var(--accent)}
html[dir="rtl"] body{font-family:'Noto Naskh Arabic',var(--sans)}
@media(max-width:900px){.lang-switch{display:none}}
/* country modal */
#country-modal{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px}
.cm-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;width:100%;max-width:480px;max-height:80vh;display:flex;flex-direction:column;padding:28px;box-shadow:var(--shadow)}
.cm-h{font-family:var(--serif);font-weight:700;font-size:1.5rem;margin-bottom:6px}
.cm-sub{color:var(--ink-soft);font-size:.9rem;margin-bottom:16px}
.cm-search{background:var(--bg-elev);border:1px solid var(--line);border-radius:11px;color:var(--ink);padding:12px 14px;font-family:var(--sans);font-size:.95rem;margin-bottom:14px}
.cm-list{overflow-y:auto;display:flex;flex-direction:column;gap:4px}
.cm-item{display:flex;align-items:center;gap:12px;background:transparent;border:0;border-radius:10px;padding:11px 12px;color:var(--ink);cursor:pointer;font-family:inherit;font-size:.95rem;text-align:start;transition:background .2s}
.cm-item:hover{background:var(--bg-elev)}
.cm-flag{font-size:1.3rem}

/* theme switch */
.switch{position:fixed;left:22px;bottom:22px;z-index:100;display:flex;gap:5px;background:var(--surface);
  border:1px solid var(--line);border-radius:100px;padding:6px;box-shadow:var(--shadow)}
.switch button{border:0;background:transparent;color:var(--ink-soft);cursor:pointer;border-radius:100px;
  padding:8px 13px;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;transition:.3s}
.switch button.on{background:var(--accent);color:var(--accent-ink)}
.switch button:hover:not(.on){color:var(--ink)}

/* --- мелкие экраны: компактные отступы, читаемость --- */
@media(max-width:700px){
  section{padding:64px 0}
  .sec-head{margin-bottom:38px}
}
@media(max-width:600px){
  .wrap{padding:0 20px}
  section{padding:54px 0}
  .page-hero{padding:46px 0 24px}
  .page-hero h1{font-size:clamp(1.7rem,7.4vw,2.3rem)}
  .bar{height:64px}
  .brand{font-size:1.3rem}
  .brand svg{width:30px;height:30px}
  .prose h2{font-size:1.45rem;margin:36px 0 14px}
  .svc{padding:26px 0;gap:18px}
  .callout{padding:20px 22px}
  footer{padding:38px 0 90px}
}
/* увеличенная нижняя зона на мобильных, чтобы фикс. переключатель темы не накрывал контент */
@media(max-width:600px){ .foot{justify-content:center;text-align:center} }