/* ═══════════════════════════════════════════════════════════
   RDF SOUND — фирменный стиль
   Графит · серебро · медный акцент · liquid glass
   ═══════════════════════════════════════════════════════════ */

:root{
  /* палитра */
  --ink:#080A0C;          /* графит, основной фон */
  --ink-2:#0C0E11;
  --carbon:#111318;       /* поверхность */
  --carbon-2:#161920;     /* приподнятая поверхность */
  --line:#23262D;         /* границы */
  --line-2:#30343C;
  --steel:#727A85;        /* нейтраль, холодный биас */
  --steel-2:#9AA1AB;
  --silver:#CBD1D8;       /* основной текст */
  --platinum:#F1F3F6;     /* заголовки */

  /* медный акцент */
  --accent:#E7A968;
  --accent-2:#C6803C;
  --accent-hi:#F5C58C;
  --accent-soft:rgba(231,169,104,.14);
  --accent-line:rgba(231,169,104,.35);

  /* хром для металлических элементов */
  --chrome-a:#F6F8FA;
  --chrome-b:#98A0A9;
  --chrome:linear-gradient(180deg,var(--chrome-a),var(--chrome-b));
  --copper-grad:linear-gradient(180deg,var(--accent-hi),var(--accent-2));

  /* стекло */
  --glass-bg:linear-gradient(150deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  --glass-brd:rgba(255,255,255,.09);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.14);

  /* типографика */
  --display:'Oswald','Bahnschrift','Segoe UI Semibold','Segoe UI',Arial,sans-serif;
  --body:'Manrope','Segoe UI',system-ui,-apple-system,Arial,sans-serif;

  /* сетка */
  --wrap:1200px;
  --pad:clamp(20px,5vw,48px);
  --r:16px;
  --r-lg:22px;
}

/* reset */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--ink);color:var(--silver);
  font-family:var(--body);font-size:16px;line-height:1.2;   /* тексты 120% */
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--platinum);font-family:var(--display);
  font-weight:600;line-height:1;letter-spacing:.005em;text-wrap:balance}  /* заголовки 100% */
h1 em,h2 em,h3 em{font-style:normal;color:var(--accent)}  /* единый акцент в заголовках */
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.sprite{position:absolute;width:0;height:0;overflow:hidden}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:clamp(72px,10vw,128px);border-top:1px solid var(--line)}

/* типо-помощники */
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--body);text-transform:uppercase;letter-spacing:.28em;
  font-size:11.5px;font-weight:700;color:var(--accent);margin:0 0 18px;line-height:1;
}
.eyebrow::before,.eyebrow::after{content:"";width:22px;height:1px;flex:0 0 auto}
.eyebrow::before{background:linear-gradient(90deg,transparent,var(--accent))}
.eyebrow::after{background:linear-gradient(90deg,var(--accent),transparent)}
.sec-head{max-width:60ch;margin-bottom:clamp(36px,5vw,60px)}
.sec-head h2{font-size:clamp(30px,4.8vw,52px);text-transform:uppercase;letter-spacing:.01em}
.sec-head h2 em{font-style:normal;color:var(--accent)}
.sec-sub{color:var(--steel-2);margin-top:18px;font-size:clamp(15px,2vw,17px);
  line-height:1.4;max-width:56ch}
.sec-head.right{margin-left:auto}

/* стекло-утилита */
.glass{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(16px) saturate(130%);backdrop-filter:blur(16px) saturate(130%);
  border:1px solid var(--glass-brd);
  box-shadow:var(--glass-hi),0 30px 60px -34px #000;
}

/* кнопки */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--display);font-weight:600;text-transform:uppercase;
  letter-spacing:.08em;font-size:15px;line-height:1;
  padding:16px 30px;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s,color .25s;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--copper-grad);color:#241708;
  box-shadow:0 10px 30px -10px rgba(231,169,104,.5),var(--glass-hi)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px -12px rgba(231,169,104,.6)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--silver);border-color:var(--line-2);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--accent);color:var(--platinum);transform:translateY(-3px)}
.btn-outline{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-line)}
.btn-outline:hover{background:var(--accent);color:#241708;border-color:var(--accent);transform:translateY(-3px)}

/* иконка в стеклянной плитке */
.ico{
  width:56px;height:56px;border-radius:15px;flex-shrink:0;
  display:grid;place-items:center;color:var(--accent);
  background:linear-gradient(150deg,rgba(231,169,104,.16),rgba(231,169,104,.03));
  border:1px solid rgba(231,169,104,.22);
  box-shadow:var(--glass-hi),0 10px 24px -14px rgba(231,169,104,.5);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  position:relative;overflow:hidden;
}
.ico::after{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 40% at 30% 20%,rgba(255,255,255,.35),transparent 70%);opacity:.6}
.ico svg{width:28px;height:28px;position:relative;z-index:1}

/* плейсхолдер под фото/видео */
.ph{position:relative;overflow:hidden;border-radius:var(--r);
  background:
    radial-gradient(120% 90% at 80% 10%,rgba(231,169,104,.06),transparent 60%),
    linear-gradient(160deg,#14171d,#0d1013);
  border:1px solid var(--line);display:grid;place-items:center}
.ph::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:26px 26px}
.ph-tag{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:10px;
  color:var(--steel);font-family:var(--display);text-transform:uppercase;letter-spacing:.2em;font-size:11px}
.ph-tag svg{width:34px;height:34px;color:var(--steel);opacity:.7}
.ph-ratio{position:absolute;bottom:12px;right:14px;z-index:1;font-family:var(--display);
  font-size:10px;letter-spacing:.16em;color:#454b54}
.ph-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:2}
.ph.has-img>.ph-tag,.ph.has-img>.ph-ratio{display:none}

/* ═══ HEADER ═══ */
.site-head{position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,rgba(8,10,12,.9),rgba(8,10,12,.55));
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:18px;height:76px}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand-mark{transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.brand:hover .brand-mark{transform:rotate(180deg)}
.brand-word{font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:.1em;
  color:var(--platinum);line-height:1;display:flex;flex-direction:column;gap:4px}
.brand-word small{font-size:9px;font-weight:600;letter-spacing:.32em;color:var(--steel);
  text-transform:uppercase;font-family:var(--body)}
.nav{display:flex;gap:20px;margin-left:auto}
.nav a{font-family:var(--display);font-size:13px;font-weight:500;text-transform:uppercase;
  letter-spacing:.05em;color:var(--steel-2);position:relative;padding:8px 0;white-space:nowrap;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--accent);transition:width .28s cubic-bezier(.2,.7,.2,1)}
.nav a:hover{color:var(--platinum)}
.nav a:hover::after{width:100%}
.calc-btn{font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.08em;
  font-size:13px;color:var(--accent);border:1px solid var(--accent-line);border-radius:100px;
  padding:10px 20px;white-space:nowrap;transition:.25s;background:var(--accent-soft)}
.calc-btn:hover{background:var(--accent);color:#241708;border-color:var(--accent)}
.phone-cta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;line-height:1.05}
.phone-lbl{font-family:var(--body);font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--steel)}
.phone-num{font-family:var(--display);font-weight:600;font-size:17px;color:var(--platinum);letter-spacing:.03em}
.phone-cta:hover .phone-num{color:var(--accent)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.burger span{width:24px;height:2px;background:var(--silver);transition:.25s}
.nav-toggle{display:none}
.nav-toggle:checked~.head-inner .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked~.head-inner .burger span:nth-child(2){opacity:0}
.nav-toggle:checked~.head-inner .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;gap:2px;padding:12px var(--pad) 26px;border-bottom:1px solid var(--line);background:var(--carbon)}
.nav-toggle:checked~.mobile-menu{display:flex}
.mobile-menu a{font-family:var(--display);font-size:18px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--silver);padding:14px 0;border-bottom:1px solid var(--line)}
.mobile-menu .mm-phone{color:var(--accent);border-bottom:0}
.mobile-menu[hidden]{display:none}

/* ═══ HERO ═══ */
.hero{position:relative;overflow:visible;padding-block:clamp(56px,8vw,104px)}
.hero-bg{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 500px at 78% 28%,rgba(231,169,104,.10),transparent 60%),
    radial-gradient(700px 500px at 15% 90%,rgba(120,140,170,.06),transparent 60%)}
.hero-grid{position:relative}
.hero-copy{position:relative;z-index:2;max-width:640px}
.hero h1{font-size:clamp(42px,7.4vw,88px);text-transform:uppercase;letter-spacing:0;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-lede{font-size:clamp(16px,2.1vw,20px);line-height:1.4;color:var(--steel-2);max-width:52ch}
.hero-lede b{color:var(--silver);font-weight:600}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 38px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges li{display:flex;align-items:center;gap:9px;font-family:var(--display);font-size:13px;
  text-transform:uppercase;letter-spacing:.04em;color:var(--steel-2);
  padding:9px 15px;border-radius:100px;border:1px solid var(--line-2);background:rgba(255,255,255,.02)}
.hero-badges b{color:var(--accent);font-weight:600}
.hero-badges svg{width:15px;height:15px;color:var(--accent)}

/* залипательный hero-визуал: стеклянный драйвер + звуковые кольца */
.hero-visual{position:absolute;top:-30px;right:calc(-1 * ((100vw - 100%) / 2) - 30px);
  width:min(720px,52vw);aspect-ratio:1;z-index:1;pointer-events:none;
  display:grid;place-items:center;overflow:visible}
@media(max-width:900px){.hero-visual{display:none}}
.hv-rings{position:absolute;inset:0;display:grid;place-items:center;overflow:visible}
.hv-ring{grid-area:1/1;width:64%;aspect-ratio:1;border:1px solid var(--accent-line);border-radius:50%;
  animation:ripple 4.6s cubic-bezier(.2,.6,.3,1) infinite;opacity:0}
.hv-ring:nth-child(2){animation-delay:1.15s}
.hv-ring:nth-child(3){animation-delay:2.3s}
.hv-ring:nth-child(4){animation-delay:3.45s}
@keyframes ripple{0%{transform:scale(.92);opacity:.5}70%{opacity:.12}100%{transform:scale(1.2);opacity:0}}
.hv-disc{position:relative;width:74%;height:74%;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(60% 60% at 38% 30%,#20242b,#0b0d10 78%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:inset 0 2px 14px rgba(255,255,255,.10),inset 0 -20px 50px rgba(0,0,0,.6),
    0 40px 90px -30px #000,0 0 0 12px rgba(255,255,255,.015);
  animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(-8px)}50%{transform:translateY(8px)}}
.hv-disc svg{width:100%;height:100%;overflow:visible}
.hv-glint{position:absolute;top:8%;left:14%;width:44%;height:30%;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,255,255,.4),transparent);filter:blur(6px);
  pointer-events:none;animation:glint 7s ease-in-out infinite}
@keyframes glint{0%,100%{opacity:.35;transform:translate(0,0)}50%{opacity:.6;transform:translate(6px,4px)}}
.hv-spin{transform-origin:center;animation:spin 42s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){
  .hv-ring,.hv-disc,.hv-glint,.hv-spin{animation:none}
}

/* ═══ МАНИФЕСТ ═══ */
.manifest{position:relative;overflow:hidden;padding-block:clamp(64px,9vw,120px);
  border-top:1px solid var(--line);
  background:radial-gradient(700px 320px at 80% 0%,rgba(231,169,104,.07),transparent 70%)}
.manifest-inner{display:grid;gap:36px;align-items:center}
@media(min-width:860px){.manifest-inner{grid-template-columns:.85fr 1.15fr;gap:56px}}
.manifest-ph{aspect-ratio:4/5;max-height:520px}
.manifest-copy{text-align:left}
.manifest .big{font-family:var(--display);text-transform:uppercase;letter-spacing:.01em;
  font-size:clamp(28px,4.6vw,58px);line-height:1;color:var(--platinum)}
.manifest .big .muted{color:var(--steel)}
.manifest .big .hl{color:var(--accent)}
.manifest .sig{margin-top:24px;font-size:15px;line-height:1.4;color:var(--steel-2);max-width:46ch}

/* ═══ ПОЛНЫЙ ЦИКЛ ═══ */
.steps{display:grid;gap:16px}
@media(min-width:600px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{border-radius:var(--r);padding:26px 22px 28px;position:relative;overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .3s}
.step::before{content:"";position:absolute;top:0;left:-60%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.07),transparent);
  transition:left .7s ease}
.step:hover{transform:translateY(-6px);border-color:rgba(231,169,104,.3)}
.step:hover::before{left:130%}
.step-no{position:absolute;top:20px;right:22px;font-family:var(--display);font-size:13px;
  font-weight:600;letter-spacing:.18em;color:var(--accent);opacity:.8}
.step .ico{margin-bottom:18px}
.step h3{font-size:20px;text-transform:uppercase;margin-bottom:10px}
.step p{font-size:14px;line-height:1.35;color:var(--steel-2)}

/* ═══ НАПРАВЛЕНИЯ ═══ */
.dir-grid{display:grid;gap:18px}
@media(min-width:860px){.dir-grid{grid-template-columns:repeat(3,1fr)}}
.dir-card{border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .4s cubic-bezier(.2,.7,.2,1),border-color .3s;transform-style:preserve-3d}
.dir-card:hover{transform:translateY(-8px);border-color:rgba(231,169,104,.3)}
.dir-media{aspect-ratio:16/10}
.dir-body{padding:26px 26px 30px;display:flex;flex-direction:column;gap:14px;flex:1}
.dir-head{display:flex;align-items:center;gap:14px}
.dir-head h3{font-size:23px;text-transform:uppercase}
.dir-body p{color:var(--steel-2);font-size:14.5px;line-height:1.4;flex:1}
.link-arw{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);
  text-transform:uppercase;letter-spacing:.08em;font-weight:500;color:var(--accent);font-size:14px}
.link-arw svg{width:16px;height:16px;transition:transform .25s}
.link-arw:hover svg{transform:translateX(6px)}

/* ═══ ПОЧЕМУ RDF (сравнение) ═══ */
.why-grid{display:grid;gap:18px}
@media(min-width:820px){.why-grid{grid-template-columns:1fr 1fr}}
.why-col{border-radius:var(--r-lg);padding:clamp(26px,3vw,40px)}
.why-col h3{font-size:20px;text-transform:uppercase;margin-bottom:22px;display:flex;align-items:center;gap:12px}
.why-col ul{display:flex;flex-direction:column;gap:16px}
.why-col li{display:flex;gap:13px;font-size:15px;line-height:1.4;color:var(--steel-2)}
.why-col li svg{width:20px;height:20px;flex-shrink:0;margin-top:1px}
.why-them{background:linear-gradient(160deg,#101216,#0c0e11);border:1px solid var(--line)}
.why-them h3{color:var(--steel)}
.why-them li svg{color:#5b626c}
.why-us{border:1px solid rgba(231,169,104,.28);
  background:linear-gradient(160deg,rgba(231,169,104,.09),rgba(231,169,104,.02))}
.why-us h3{color:var(--accent)}
.why-us li{color:var(--silver)}
.why-us li svg{color:var(--accent)}

/* ═══ КЕЙСЫ ═══ */
.case-grid{display:grid;gap:18px}
@media(min-width:820px){.case-grid{grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(200px,auto)}}
.case{position:relative;border-radius:var(--r-lg);overflow:hidden;isolation:isolate;
  display:flex;flex-direction:column;justify-content:flex-end;min-height:260px;
  border:1px solid var(--line);transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.case:hover{transform:translateY(-6px)}
.case .ph{position:absolute;inset:0;border:0;border-radius:0;z-index:-1}
.case-body{position:relative;z-index:1;padding:24px 26px 26px;
  background:linear-gradient(180deg,transparent,rgba(6,8,10,.92) 62%)}
.case-tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--display);font-size:11px;
  text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:10px}
.case-tag svg{width:14px;height:14px}
.case h3{font-size:clamp(19px,2.2vw,25px);text-transform:uppercase;margin-bottom:8px}
.case p{color:var(--steel-2);font-size:14px;line-height:1.35;max-width:46ch}
@media(min-width:820px){
  .case-a{grid-column:span 4;grid-row:span 2}
  .case-b{grid-column:span 2}
  .case-c{grid-column:span 2}
  .case-d{grid-column:span 3}
  .case-e{grid-column:span 3}
}

/* ═══ МЕДИА-ФИЧА (видео) ═══ */
.media-feat{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:clamp(340px,48vw,540px);
  display:grid;place-items:center;border:1px solid var(--line)}
.media-feat .ph{position:absolute;inset:0;border:0;border-radius:0;z-index:0}
.media-feat .ph.has-img::after{content:"";position:absolute;inset:0;z-index:3;
  background:linear-gradient(180deg,rgba(8,10,12,.5),rgba(8,10,12,.74))}
.media-feat-inner{position:relative;z-index:1;text-align:center;padding:30px}
.play-btn{width:88px;height:88px;border-radius:50%;margin:0 auto 24px;display:grid;place-items:center;
  color:#241708;background:var(--copper-grad);cursor:pointer;border:0;
  box-shadow:0 20px 50px -14px rgba(231,169,104,.6);transition:transform .3s}
.play-btn::after{content:"";position:absolute;width:88px;height:88px;border-radius:50%;
  border:1px solid var(--accent-line);animation:ripple 3s ease-out infinite}
.play-btn:hover{transform:scale(1.06)}
.play-btn svg{width:30px;height:30px;margin-left:4px}
.media-feat h3{font-size:clamp(24px,3.4vw,38px);text-transform:uppercase;margin-bottom:12px}
.media-feat p{color:var(--steel-2);max-width:44ch;margin-inline:auto;line-height:1.4}

/* ═══ БРЕНДЫ ═══ */
.brands{border-top:1px solid var(--line);padding-block:52px;background:var(--ink-2)}
.brands-lbl{font-family:var(--display);text-transform:uppercase;letter-spacing:.2em;font-size:11px;
  color:var(--steel);text-align:center;margin-bottom:26px}
.brands-row{display:flex;flex-wrap:wrap;justify-content:center;gap:16px 44px}
.brands-row li{font-family:var(--display);font-weight:600;font-size:clamp(17px,2.4vw,24px);
  letter-spacing:.05em;text-transform:uppercase;color:#4c525b;transition:color .25s}
.brands-row li:hover{color:var(--accent)}

/* ═══ CTA-полоса калькулятора ═══ */
.calc-band{position:relative;overflow:hidden;border-top:1px solid var(--line);
  background:radial-gradient(720px 260px at 12% 50%,rgba(231,169,104,.10),transparent 70%),var(--ink-2)}
.calc-band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px 40px;padding-block:clamp(44px,6vw,72px)}
.calc-band h2{font-size:clamp(30px,4.8vw,52px);text-transform:uppercase}
.calc-band p{color:var(--steel-2);max-width:46ch;margin-top:12px;line-height:1.4}

/* ═══ О СТУДИИ ═══ */
.studiya-inner{display:grid;gap:44px;align-items:start}
@media(min-width:920px){.studiya-inner{grid-template-columns:.9fr 1.1fr}.studiya-quote{order:-1}}
.studiya-copy h2{font-size:clamp(30px,4.8vw,52px);text-transform:uppercase;margin-bottom:22px}
.studiya-copy p{color:var(--steel-2);margin-bottom:16px;max-width:54ch;line-height:1.45}
.studiya-copy p b{color:var(--silver);font-weight:600}
.stat-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
.stat{flex:1;min-width:120px;border-radius:var(--r);padding:22px 20px}
.stat b{display:block;font-family:var(--display);font-size:40px;font-weight:600;color:var(--accent);
  line-height:1;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:9px;font-size:12.5px;line-height:1.3;color:var(--steel)}
.studiya-quote{margin:0;padding:clamp(28px,3vw,40px);border-radius:var(--r-lg);
  border-left:2px solid var(--accent);position:relative;overflow:hidden}
.studiya-quote .q{font-family:var(--display);font-size:clamp(20px,2.6vw,27px);line-height:1.15;
  text-transform:uppercase;color:var(--platinum)}
.studiya-quote cite{display:block;margin-top:20px;font-family:var(--body);font-size:13.5px;
  font-style:normal;color:var(--steel);letter-spacing:.04em}
.quote-mark{position:absolute;top:6px;right:20px;font-family:var(--display);font-size:120px;
  line-height:1;color:var(--accent-soft)}

/* ═══ ОТЗЫВЫ ═══ */
.otz-grid{display:grid;gap:18px}
@media(min-width:1101px){.otz-grid{grid-template-columns:repeat(3,1fr)}}
.otz{margin:0;border-radius:var(--r-lg);padding:28px 26px;display:flex;flex-direction:column;gap:16px}
.otz-stars{color:var(--accent);letter-spacing:3px;font-size:15px}
.otz blockquote{margin:0;color:var(--silver);font-size:15px;line-height:1.4;flex:1}
.otz figcaption{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.otz-ava{width:40px;height:40px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(231,169,104,.2),rgba(231,169,104,.04));
  border:1px solid rgba(231,169,104,.25);color:var(--accent);font-family:var(--display);font-size:15px}
.otz-meta{display:flex;flex-direction:column;gap:3px}
.otz-name{font-family:var(--display);text-transform:uppercase;letter-spacing:.03em;color:var(--platinum);font-size:14px}
.otz-car{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}

/* ═══ КОНТАКТЫ ═══ */
.kont-inner{display:grid;gap:44px}
@media(min-width:920px){.kont-inner{grid-template-columns:1fr 1fr;align-items:start}}
.kont-copy h2{font-size:clamp(30px,4.8vw,52px);text-transform:uppercase;margin-bottom:16px}
.kont-list{margin-top:32px;display:flex;flex-direction:column;gap:0}
.kont-list li{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
  font-size:17px;color:var(--platinum)}
.kont-list .ico{width:44px;height:44px;border-radius:12px}
.kont-list .ico svg{width:20px;height:20px}
.kont-list .kv{display:flex;flex-direction:column;gap:3px}
.kont-list .kl{font-family:var(--display);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel)}
.kont-list a:hover{color:var(--accent)}
.kont-form{border-radius:var(--r-lg);padding:clamp(26px,3vw,38px);display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--display);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-2)}
.field input,.field textarea{background:rgba(0,0,0,.35);border:1px solid var(--line-2);border-radius:12px;
  padding:14px 16px;color:var(--platinum);font-family:var(--body);font-size:15px;line-height:1.3;resize:vertical;
  transition:border-color .2s,box-shadow .2s}
.field input::placeholder,.field textarea::placeholder{color:#4a505a}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft)}
.consent{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.consent input{appearance:none;-webkit-appearance:none;width:22px;height:22px;flex-shrink:0;margin-top:1px;
  border:1px solid var(--line-2);border-radius:7px;background:rgba(0,0,0,.35);cursor:pointer;
  display:grid;place-items:center;transition:.2s}
.consent input::after{content:"";width:11px;height:11px;border-radius:3px;background:var(--copper-grad);
  transform:scale(0);transition:transform .18s cubic-bezier(.2,.7,.2,1)}
.consent input:checked{border-color:var(--accent)}
.consent input:checked::after{transform:scale(1)}
.consent input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.consent span{font-size:12.5px;line-height:1.4;color:var(--steel)}
.consent a{color:var(--steel-2);text-decoration:underline;text-underline-offset:2px}
.consent a:hover{color:var(--accent)}
.form-note{font-size:13.5px;color:var(--accent);min-height:1.2em;line-height:1.3}

/* focus */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ═══ FOOTER ═══ */
.site-foot{border-top:1px solid var(--line);padding-block:48px;background:var(--ink-2)}
.foot-inner{display:flex;flex-wrap:wrap;gap:22px 44px;align-items:center;justify-content:space-between}
.foot-nav{display:flex;flex-wrap:wrap;gap:24px}
.foot-nav a{font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;font-size:13px;color:var(--steel-2)}
.foot-nav a:hover{color:var(--accent)}
.foot-copy{width:100%;font-size:12.5px;color:var(--steel);border-top:1px solid var(--line);padding-top:22px;line-height:1.5}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* адаптив */
@media(max-width:1100px){
  .nav,.phone-cta,.calc-btn{display:none}
  .burger{display:flex}
}
@media(min-width:1101px){.mobile-menu{display:none!important}}

/* ═══════════ ВНУТРЕННИЕ СТРАНИЦЫ ═══════════ */

/* активный пункт меню */
.nav a[aria-current="page"]{color:var(--platinum)}
.nav a[aria-current="page"]::after{width:100%}

/* page-hero */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding-block:clamp(56px,8vw,100px);
  background:radial-gradient(760px 420px at 84% 18%,rgba(231,169,104,.10),transparent 60%)}
.page-hero-inner{position:relative;z-index:2;max-width:900px;margin-inline:auto;text-align:center}
.page-hero .eyebrow{justify-content:center}
.page-hero h1{font-size:clamp(38px,6.6vw,74px);text-transform:uppercase;line-height:1;margin-bottom:22px}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero .lead{font-size:clamp(16px,2.1vw,20px);line-height:1.4;color:var(--steel-2);max-width:62ch;margin-inline:auto}
.page-hero .lead b{color:var(--silver);font-weight:600}
.page-hero .stat-row{margin-top:36px;justify-content:center}
.page-hero .stat{text-align:left}

/* универсальный сплит текст+медиа */
.split{display:grid;gap:40px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr .95fr}.split-copy{order:2}}
.split .ph{aspect-ratio:4/3}
.split-copy h2{font-size:clamp(30px,4.8vw,52px);text-transform:uppercase;margin-bottom:18px}
.split-copy h2 em{font-style:normal;color:var(--accent)}
.split-copy p{color:var(--steel-2);line-height:1.45;margin-bottom:16px;max-width:52ch}
.split-copy p b{color:var(--silver);font-weight:600}
.split-copy .eyebrow,.studiya-copy .eyebrow{color:var(--accent);margin:0 0 18px}

/* принципы */
.values{display:grid;gap:16px}
@media(min-width:600px){.values{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.values{grid-template-columns:repeat(4,1fr)}}
.value{border-radius:var(--r);padding:26px 22px 28px}
.value .ico{margin-bottom:18px}
.value h3{font-size:19px;text-transform:uppercase;margin-bottom:10px}
.value p{font-size:14px;line-height:1.35;color:var(--steel-2)}

/* регалии */
.regalia-grid{display:grid;gap:16px}
@media(min-width:1101px){.regalia-grid{grid-template-columns:repeat(3,1fr)}}
.reg{border-radius:var(--r-lg);padding:30px 26px;display:flex;flex-direction:column;gap:14px;
  border:1px solid rgba(231,169,104,.26);
  background:linear-gradient(160deg,rgba(231,169,104,.09),rgba(231,169,104,.02))}
.reg .ico{width:52px;height:52px}
.reg-place{font-family:var(--display);font-size:30px;text-transform:uppercase;color:var(--accent);line-height:1}
.reg h3{font-size:19px;text-transform:uppercase}
.reg p{font-size:14px;color:var(--steel-2);line-height:1.35}
.reg-date{margin-top:auto;font-family:var(--display);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--steel);padding-top:4px}

/* контакты: карта и форма */
.map-ph{aspect-ratio:21/9}
.map-ph .ph-tag svg{width:40px;height:40px}
.map-frame{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;z-index:2}
.ph.has-map>.ph-tag,.ph.has-map>.ph-ratio{display:none}
.kont-map{aspect-ratio:auto;min-height:360px}
.kont-map .ph-tag svg{width:40px;height:40px}
.form-wrap{max-width:720px;margin-inline:auto}
.form-wrap .sec-head{text-align:center;max-width:none;margin-bottom:32px}
.form-wrap .sec-head .eyebrow{justify-content:center}

/* «что входит» — спецификация */
.spec-grid{display:grid;gap:14px}
@media(min-width:700px){.spec-grid{grid-template-columns:1fr 1fr}}
.spec{display:flex;gap:16px;align-items:flex-start;padding:22px 24px;border-radius:var(--r);
  background:var(--carbon);border:1px solid var(--line);transition:border-color .25s}
.spec:hover{border-color:rgba(231,169,104,.3)}
.spec .ico{width:46px;height:46px;border-radius:12px}
.spec .ico svg{width:22px;height:22px}
.spec h3{font-size:17px;text-transform:uppercase;margin-bottom:7px}
.spec p{font-size:13.5px;color:var(--steel-2);line-height:1.4}

/* FAQ (аккордеон на <details>) */
.faq{display:flex;flex-direction:column;gap:12px;max-width:840px;margin-inline:auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--carbon);overflow:hidden;transition:border-color .25s}
.faq-item[open]{border-color:rgba(231,169,104,.3)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-family:var(--display);font-size:clamp(15px,1.9vw,18px);
  text-transform:uppercase;color:var(--platinum);letter-spacing:.01em}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:26px;color:var(--accent);line-height:1;transition:transform .25s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;color:var(--steel-2);font-size:14.5px;line-height:1.55;max-width:74ch}

/* кейсы в 3 колонки (внутренние страницы) */
@media(min-width:820px){.case-grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.case-grid.cols-3 .case{grid-column:auto;grid-row:auto;min-height:300px}

/* форматы: фото слева, весь текст справа */
.format-split{display:grid;gap:28px}
@media(min-width:900px){.format-split{grid-template-columns:.85fr 1.15fr;gap:48px}}
.format-photo{min-height:340px}
.format-body .sec-head{margin-bottom:24px;max-width:none}
.format-list{display:flex;flex-direction:column}
.format-row{display:flex;gap:16px;align-items:flex-start;padding:18px 2px;border-bottom:1px solid var(--line)}
.format-row:first-child{padding-top:0}
.format-row:last-child{border-bottom:0;padding-bottom:0}
.format-row .ico{width:46px;height:46px;border-radius:12px}
.format-row .ico svg{width:22px;height:22px}
.fr-body{display:flex;flex-direction:column;gap:5px}
.fr-name{font-family:var(--display);font-size:clamp(20px,2.4vw,26px);text-transform:uppercase;color:var(--platinum);line-height:1}
.fr-desc{font-size:13.5px;color:var(--steel-2);line-height:1.4}

/* что входит: карточки слева, текст справа, по верхней границе */
.spec-split{display:grid;gap:28px;align-items:start}
@media(min-width:900px){.spec-split{grid-template-columns:1.05fr .95fr;gap:52px}}
.spec-col{display:flex;flex-direction:column;gap:14px}
.spec-split .sec-head{margin-bottom:0;max-width:none}

/* широкая фото-полоса */
.photo-band{aspect-ratio:21/8}
.photo-band .ph-tag svg{width:40px;height:40px}

/* материалы: круглые плашки хаотично справа, текст слева */
.mat-split{display:grid;gap:32px;align-items:center}
@media(min-width:900px){.mat-split{grid-template-columns:1fr 1fr;gap:48px}}
.mat-split .sec-head{margin-bottom:0;max-width:none}
.mat-cluster{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
@media(min-width:760px){.mat-cluster{display:block;width:100%;aspect-ratio:56/30}
  .mat-cluster .mat-chip{position:absolute;left:var(--x);top:var(--y);width:var(--s);height:auto;aspect-ratio:1}}
.mat-chip{display:grid;place-items:center;text-align:center;border-radius:50%;
  width:108px;height:108px;padding:12px;
  font-family:var(--display);text-transform:uppercase;letter-spacing:.03em;
  font-size:clamp(13px,1.3vw,16px);color:var(--silver);border:1px solid var(--line-2);
  background:rgba(255,255,255,.02);
  transition:transform .3s cubic-bezier(.2,.7,.2,1),border-color .25s,color .25s}
.mat-chip:hover{border-color:var(--accent);color:var(--platinum);transform:scale(1.06)}

/* ═══ КЕЙСЫ: фильтр + галерея + модал ═══ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:clamp(28px,4vw,44px)}
.filter-btn{font-family:var(--display);text-transform:uppercase;letter-spacing:.05em;font-size:13px;
  color:var(--steel-2);border:1px solid var(--line-2);border-radius:100px;padding:11px 20px;
  background:rgba(255,255,255,.02);cursor:pointer;transition:.25s}
.filter-btn:hover{color:var(--platinum);border-color:var(--steel)}
.filter-btn.active{background:var(--copper-grad);color:#241708;border-color:transparent}
.gallery{display:grid;gap:18px}
@media(min-width:640px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.gallery{grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(190px,auto);grid-auto-flow:row dense}
  .gcard{grid-column:span 2}
  .gcard--lg{grid-column:span 4;grid-row:span 2}}
.gcard{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  min-height:280px;display:flex;flex-direction:column;justify-content:flex-end;cursor:pointer;isolation:isolate;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .3s}
.gcard:hover{transform:translateY(-6px);border-color:rgba(231,169,104,.3)}
.gcard .ph{position:absolute;inset:0;border:0;border-radius:0;z-index:-1}
.gcard-body{position:relative;z-index:1;padding:22px 24px 24px;background:linear-gradient(180deg,transparent,rgba(6,8,10,.92) 60%)}
.gcard-tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--display);font-size:11px;
  text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:9px}
.gcard-tag svg{width:14px;height:14px}
.gcard h3{font-size:20px;text-transform:uppercase;margin-bottom:6px}
.gcard p{color:var(--steel-2);font-size:13.5px;line-height:1.35}
.gcard[hidden]{display:none}
.gcard-more{position:absolute;top:16px;right:16px;z-index:1;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;color:var(--platinum);background:rgba(8,10,12,.5);border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;transition:.25s}
.gcard:hover .gcard-more{opacity:1}
.gcard-more svg{width:18px;height:18px}
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;
  background:rgba(4,5,7,.8);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal[hidden]{display:none}
.modal-box{position:relative;max-width:760px;width:100%;max-height:88vh;overflow:auto;
  border-radius:var(--r-lg);border:1px solid var(--glass-brd);background:var(--carbon);box-shadow:0 40px 100px -30px #000}
.modal-media{aspect-ratio:16/9;border:0;border-radius:0}
.modal-inner{padding:clamp(24px,3vw,36px)}
.modal-tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--display);font-size:11px;
  text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.modal-tag svg{width:14px;height:14px}
.modal-inner h3{font-size:clamp(24px,3.4vw,34px);text-transform:uppercase;margin-bottom:14px}
.modal-inner p{color:var(--steel-2);line-height:1.55;margin-bottom:18px;max-width:60ch}
.modal-specs{display:flex;flex-wrap:wrap;gap:10px}
.modal-spec{font-family:var(--display);text-transform:uppercase;letter-spacing:.03em;font-size:12px;
  color:var(--silver);border:1px solid var(--line-2);border-radius:100px;padding:8px 16px}
.modal-close{position:absolute;top:14px;right:14px;z-index:2;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;color:var(--platinum);background:rgba(8,10,12,.65);border:1px solid var(--glass-brd);
  cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:.2s}
.modal-close:hover{background:var(--accent);color:#241708;border-color:var(--accent)}
.modal-close svg{width:20px;height:20px}

/* ═══ адаптив-правки ═══ */
/* в адаптиве текст/заголовок всегда первым, потом карточки/фото */
@media(max-width:899px){.spec-text{order:-1}.format-body{order:-1}}
/* Философия: фото на весь экран по ширине */
@media(max-width:859px){.manifest-ph{margin-inline:calc(-1 * var(--pad));border-radius:0;aspect-ratio:16/10;max-height:none}}
/* фото-полосы и карта: вписать в контейнер, не растягивать по высоте */
@media(max-width:640px){.photo-band{aspect-ratio:3/2}.map-ph{aspect-ratio:4/3}.dir-media{aspect-ratio:16/9}}
/* активный пункт в мобильном меню — акцентом */
.mobile-menu a[aria-current="page"]{color:var(--accent)}
/* дескриптор в блоке «О студии» — акцентный (перебивал .studiya-copy p) */
.studiya-copy .eyebrow{color:var(--accent)}