/* ======================================================================
   Хронотека — дизайн-система мастерской механических часов
   Тёмная тема: графит / полночно-синий · латунно-золотой акцент
   ====================================================================== */

:root{
  /* фон / поверхности */
  --ink-900:#0c0f15;        /* почти чёрный графит */
  --ink-850:#10141d;
  --ink-800:#141a26;        /* полночно-синий */
  --ink-700:#1b2333;
  --ink-600:#26314a;
  --line:#2d3851;
  --line-soft:#222a3c;

  /* текст */
  --paper:#eef1f6;
  --paper-dim:#b8c0d0;
  --paper-faint:#8a93a7;

  /* латунь / золото */
  --brass:#c9a24b;
  --brass-bright:#e7c878;
  --brass-deep:#9c7a2e;
  --brass-glow:rgba(201,162,75,.16);

  /* шрифты — системные стеки, не Arial/Inter-дефолт */
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua","URW Palladio L",Georgia,"Times New Roman",serif;
  --sans:"Segoe UI",system-ui,"Helvetica Neue","DejaVu Sans","Liberation Sans",sans-serif;
  --mono:"DejaVu Sans Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;

  --maxw:1180px;
  --pad:clamp(1.1rem,4vw,2.6rem);
  --r-lg:14px;
  --r-md:10px;
  --r-sm:6px;
  --ease:cubic-bezier(.21,.65,.27,.99);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;scroll-padding-top:88px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--sans);
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(46,62,98,.40),transparent 60%),
    radial-gradient(900px 700px at -6% 18%,rgba(201,162,75,.06),transparent 55%),
    linear-gradient(180deg,var(--ink-900),var(--ink-850) 45%,var(--ink-900));
  background-attachment:fixed;
  color:var(--paper);
  line-height:1.62;
  font-size:clamp(15.5px,1.05vw,17px);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

/* видимый фокус для доступности */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brass-bright);
  outline-offset:3px;
  border-radius:2px;
}

.visually-off{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.bypass-link{
  position:fixed;top:-60px;left:14px;z-index:200;
  background:var(--brass);color:var(--ink-900);font-weight:700;
  padding:.6rem 1rem;border-radius:var(--r-sm);transition:top .2s var(--ease);
}
.bypass-link:focus{top:14px}

/* ---------- кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--sans);font-weight:600;font-size:.96rem;letter-spacing:.01em;
  padding:.85rem 1.55rem;border-radius:var(--r-sm);cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease);
}
.btn--gold{
  background:linear-gradient(180deg,var(--brass-bright),var(--brass));
  color:#1a1406;box-shadow:0 10px 26px -12px rgba(201,162,75,.7);
}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(201,162,75,.85)}
.btn--ghost{border-color:var(--line);color:var(--paper);background:rgba(255,255,255,.02)}
.btn--ghost:hover{border-color:var(--brass);color:var(--brass-bright)}
.btn--full{width:100%}

/* ====================================================================
   ТОП-БАР
   ==================================================================== */
.topbar{
  position:sticky;top:0;z-index:100;
  background:rgba(12,15,21,.55);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s;
}
.topbar.is-pinned{
  background:rgba(12,15,21,.92);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom-color:var(--line-soft);
}
.topbar__inner{
  max-width:var(--maxw);margin:0 auto;padding:.85rem var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brandmark{display:flex;align-items:center;gap:.7rem}
.brandmark__glyph{
  font-family:var(--serif);font-size:1.05rem;letter-spacing:.18em;
  color:var(--ink-900);background:linear-gradient(180deg,var(--brass-bright),var(--brass-deep));
  width:42px;height:42px;display:grid;place-items:center;border-radius:50%;
  box-shadow:inset 0 0 0 2px rgba(12,15,21,.25),0 4px 14px -6px rgba(201,162,75,.6);
  flex:none;
}
.brandmark__name{font-family:var(--serif);font-size:1.32rem;font-weight:600;letter-spacing:.02em}
.brandmark__tag{font-size:.72rem;color:var(--paper-faint);letter-spacing:.05em;text-transform:uppercase;display:block}
.brandmark__name+.brandmark__tag,
.brandmark>span{line-height:1.15}
@media (max-width:560px){.brandmark__tag{display:none}}

.mainnav{display:flex;align-items:center}
.mainnav__list{list-style:none;display:flex;align-items:center;gap:.35rem}
.mainnav__list a{
  display:inline-block;padding:.5rem .8rem;border-radius:var(--r-sm);
  font-size:.93rem;color:var(--paper-dim);transition:color .2s,background .2s;
}
.mainnav__list a:hover{color:var(--paper);background:rgba(255,255,255,.04)}
.mainnav__cta{
  color:var(--brass-bright)!important;border:1px solid var(--brass-deep);
  margin-left:.4rem;
}
.mainnav__cta:hover{background:var(--brass-glow)!important}

.mainnav__toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:var(--r-sm);
  width:46px;height:42px;cursor:pointer;position:relative;
}
.mainnav__bars,.mainnav__bars::before,.mainnav__bars::after{
  position:absolute;left:50%;width:22px;height:2px;background:var(--paper);
  transform:translateX(-50%);transition:transform .28s var(--ease),opacity .2s;
}
.mainnav__bars{top:50%;transform:translate(-50%,-50%)}
.mainnav__bars::before{content:"";top:-7px}
.mainnav__bars::after{content:"";top:7px}
.mainnav__toggle[aria-expanded="true"] .mainnav__bars{background:transparent}
.mainnav__toggle[aria-expanded="true"] .mainnav__bars::before{top:0;transform:translateX(-50%) rotate(45deg)}
.mainnav__toggle[aria-expanded="true"] .mainnav__bars::after{top:0;transform:translateX(-50%) rotate(-45deg)}

@media (max-width:840px){
  .mainnav__toggle{display:block}
  .mainnav__list{
    position:absolute;top:100%;right:var(--pad);left:var(--pad);
    flex-direction:column;align-items:stretch;gap:.2rem;
    background:rgba(16,20,29,.98);border:1px solid var(--line-soft);
    border-radius:var(--r-md);padding:.6rem;
    box-shadow:0 24px 50px -20px rgba(0,0,0,.8);
    transform-origin:top;transform:scaleY(0);opacity:0;pointer-events:none;
    transition:transform .25s var(--ease),opacity .2s;
  }
  .mainnav__list.is-open{transform:scaleY(1);opacity:1;pointer-events:auto}
  .mainnav__list a{padding:.75rem .9rem}
  .mainnav__cta{margin:.3rem 0 0;text-align:center}
}

/* ====================================================================
   ОТКРЫВАЮЩАЯ СЕКЦИЯ
   ==================================================================== */
.opening{
  position:relative;max-width:var(--maxw);margin:0 auto;
  padding:clamp(2.4rem,6vw,5rem) var(--pad) clamp(3rem,7vw,5.5rem);
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,4vw,3.4rem);align-items:center;
}
.opening__media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 36px 80px -40px rgba(0,0,0,.9);order:2}
.opening__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:1300/867;filter:saturate(.92) contrast(1.03)}
.opening__veil{position:absolute;inset:0;
  background:linear-gradient(140deg,transparent 35%,rgba(12,15,21,.55) 100%),
            radial-gradient(120% 90% at 80% 10%,transparent 40%,rgba(201,162,75,.10));
  pointer-events:none}

.opening__kicker{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass-bright);margin-bottom:1.1rem;
}
.opening__title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2.5rem,6.2vw,4.4rem);line-height:1.02;letter-spacing:-.01em;
  margin-bottom:1.3rem;
}
.opening__title br{display:block}
.opening__lede{color:var(--paper-dim);max-width:46ch;margin-bottom:1.8rem;font-size:1.06rem}
.opening__acts{display:flex;flex-wrap:wrap;gap:.85rem;margin-bottom:2.4rem}
.opening__facts{display:flex;flex-wrap:wrap;gap:clamp(1.4rem,4vw,2.6rem)}
.opening__facts dt{font-family:var(--serif);font-size:1.9rem;color:var(--brass-bright);line-height:1}
.opening__facts dd{font-size:.82rem;color:var(--paper-faint);letter-spacing:.04em;margin-top:.3rem}

@media (max-width:900px){
  .opening{grid-template-columns:1fr;padding-top:2rem}
  .opening__media{order:0;max-height:360px}
  .opening__copy{order:1}
}

/* стартовый staggered-reveal (через [data-stage]) */
[data-stage]{opacity:0;transform:translateY(20px)}
.is-loaded [data-stage]{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
.is-loaded [data-stage="1"]{transition-delay:.08s}
.is-loaded [data-stage="2"]{transition-delay:.20s}
.is-loaded [data-stage="3"]{transition-delay:.34s}
.is-loaded [data-stage="4"]{transition-delay:.48s}
.is-loaded [data-stage="5"]{transition-delay:.62s}
@media (prefers-reduced-motion:reduce){
  [data-stage]{opacity:1;transform:none}
}

/* ====================================================================
   ЗАГОЛОВКИ БЛОКОВ
   ==================================================================== */
.block-head{max-width:62ch;margin-bottom:clamp(2rem,4vw,3rem)}
.block-head--center{margin-left:auto;margin-right:auto;text-align:center}
.block-head__eyebrow{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--brass);margin-bottom:.7rem;
}
.block-head__title{
  font-family:var(--serif);font-weight:600;letter-spacing:-.01em;
  font-size:clamp(1.7rem,3.6vw,2.7rem);line-height:1.12;
}
.block-head__note{color:var(--paper-dim);margin-top:1rem;font-size:1.02rem}
.block-head--center .block-head__note{margin-left:auto;margin-right:auto}

section{padding-block:clamp(3rem,7vw,5.5rem)}
section > .block-head,
.services,.method,.gallery,.master,.tooling,.voices,.booking{position:relative}
.services,.method,.gallery,.master,.tooling,.voices,.booking{
  max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad);
}

/* тонкая золотая разделительная линия между крупными блоками */
.method::before,.gallery::before,.master::before,.voices::before,.booking::before{
  content:"";position:absolute;top:0;left:var(--pad);right:var(--pad);height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}

/* ====================================================================
   УСЛУГИ
   ==================================================================== */
.services__grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1.1rem;
}
.svc-card{
  background:linear-gradient(180deg,var(--ink-800),var(--ink-850));
  border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:1.7rem 1.6rem;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.svc-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brass-deep),var(--brass-bright));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.svc-card:hover{transform:translateY(-4px);border-color:var(--brass-deep);
  box-shadow:0 26px 50px -28px rgba(0,0,0,.85)}
.svc-card:hover::after{transform:scaleX(1)}
.svc-card__name{font-family:var(--serif);font-size:1.28rem;font-weight:600;margin-bottom:.7rem;line-height:1.2}
.svc-card__body{color:var(--paper-dim);font-size:.97rem;margin-bottom:1rem}
.svc-card__list{list-style:none;margin-bottom:1.1rem;display:flex;flex-direction:column;gap:.4rem}
.svc-card__list li{position:relative;padding-left:1.3rem;font-size:.9rem;color:var(--paper-faint)}
.svc-card__list li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;
  border:1px solid var(--brass);border-radius:50%}
.svc-card__price{
  font-family:var(--mono);font-size:.92rem;color:var(--brass-bright);
  padding-top:.9rem;border-top:1px solid var(--line-soft);
}

/* ====================================================================
   МЕТОД — пять шагов
   ==================================================================== */
.method__track{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;counter-reset:none}
.method__step{
  background:rgba(255,255,255,.018);border:1px solid var(--line-soft);
  border-radius:var(--r-md);padding:1.4rem 1.2rem;position:relative;
}
.method__num{
  font-family:var(--serif);font-size:2.1rem;color:var(--brass);opacity:.55;
  display:block;margin-bottom:.6rem;line-height:1;
}
.method__step h3{font-size:1.06rem;font-weight:600;margin-bottom:.5rem;font-family:var(--sans)}
.method__step p{font-size:.9rem;color:var(--paper-dim)}
@media (max-width:980px){.method__track{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.method__track{grid-template-columns:1fr}}

/* ====================================================================
   ВИТРИНА РАБОТ — мозаика
   ==================================================================== */
.gallery__mosaic{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;grid-auto-rows:1fr;
}
.shot{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-soft);
  background:var(--ink-800)}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);filter:saturate(.95)}
.shot:hover img{transform:scale(1.05)}
.shot figcaption{
  position:absolute;inset:auto 0 0 0;padding:1.5rem 1.1rem .95rem;
  font-size:.88rem;color:var(--paper-dim);
  background:linear-gradient(0deg,rgba(8,10,15,.95),transparent);
}
.shot figcaption strong{color:var(--brass-bright);font-weight:600}
.shot--lead{grid-column:span 2;grid-row:span 2}
@media (max-width:820px){
  .gallery__mosaic{grid-template-columns:repeat(2,1fr)}
  .shot--lead{grid-column:span 2;grid-row:span 1}
}
@media (max-width:480px){.gallery__mosaic{grid-template-columns:1fr}.shot--lead{grid-column:span 1}}

/* ====================================================================
   МАСТЕР
   ==================================================================== */
.master{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(1.6rem,4vw,3.2rem);align-items:center}
.master__portrait{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 30px 60px -34px rgba(0,0,0,.9)}
.master__portrait img{width:100%;aspect-ratio:3/4;object-fit:cover}
.master__story p{color:var(--paper-dim);margin-bottom:1rem}
.master__story p:first-of-type{margin-top:1rem}
.master__creds{list-style:none;margin-top:1.4rem;display:flex;flex-direction:column;gap:.6rem}
.master__creds li{position:relative;padding-left:1.6rem;font-size:.93rem;color:var(--paper)}
.master__creds li::before{content:"✦";position:absolute;left:0;top:-.05em;color:var(--brass)}
@media (max-width:780px){.master{grid-template-columns:1fr}.master__portrait{max-height:430px}}

/* ====================================================================
   ИНСТРУМЕНТ
   ==================================================================== */
.tooling{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.6rem,4vw,3.2rem);align-items:center}
.tooling__text p{color:var(--paper-dim);margin-top:1rem}
.tooling__shot{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.tooling__shot img{width:100%;aspect-ratio:3/2;object-fit:cover}
@media (max-width:780px){.tooling{grid-template-columns:1fr}}

/* ====================================================================
   ОТЗЫВЫ
   ==================================================================== */
.voices__row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.voice{
  background:linear-gradient(180deg,var(--ink-800),var(--ink-850));
  border:1px solid var(--line-soft);border-radius:var(--r-md);padding:1.7rem 1.5rem;
  position:relative;
}
.voice::before{content:"\201C";position:absolute;top:.3rem;right:1.1rem;
  font-family:var(--serif);font-size:3.4rem;color:var(--brass);opacity:.22;line-height:1}
.voice p{font-size:.98rem;color:var(--paper);margin-bottom:1.2rem;font-style:italic}
.voice footer{display:flex;flex-direction:column;gap:.15rem;border-top:1px solid var(--line-soft);padding-top:.9rem}
.voice__who{font-weight:600;color:var(--brass-bright)}
.voice__what{font-size:.82rem;color:var(--paper-faint)}
@media (max-width:820px){.voices__row{grid-template-columns:1fr}}

/* ====================================================================
   ЗАПИСЬ / КОНТАКТЫ
   ==================================================================== */
.booking__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.6rem,4vw,3.2rem)}
.booking__lede{color:var(--paper-dim);margin:1rem 0 1.8rem}
.booking__contacts{list-style:none;display:flex;flex-direction:column;gap:1.2rem}
.booking__contacts li{display:grid;grid-template-columns:120px 1fr;gap:1rem;align-items:start}
.booking__label{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brass);padding-top:.2rem}
.booking__contacts a{color:var(--paper);border-bottom:1px solid var(--line)}
.booking__contacts a:hover{color:var(--brass-bright);border-color:var(--brass)}

.booking__form{
  background:linear-gradient(180deg,var(--ink-800),var(--ink-850));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:1.9rem 1.7rem;
  box-shadow:0 30px 60px -34px rgba(0,0,0,.85);
}
.booking__formtitle{font-family:var(--serif);font-size:1.3rem;margin-bottom:1.3rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.85rem;color:var(--paper-dim);margin-bottom:.4rem;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;font-family:var(--sans);font-size:.97rem;color:var(--paper);
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:.75rem .9rem;transition:border-color .2s,box-shadow .2s;resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:#5a6478}
.field input:focus,.field textarea:focus{border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-glow);outline:none}
.field__err{display:none;color:#e98a7a;font-size:.8rem;margin-top:.35rem}
.field.is-invalid input,.field.is-invalid textarea{border-color:#b85746}
.field.is-invalid .field__err{display:block}
.booking__ok{margin-top:.4rem;color:var(--brass-bright);font-weight:600;font-size:.95rem}
.booking__fine{margin-top:1rem;font-size:.78rem;color:var(--paper-faint);line-height:1.5}
@media (max-width:780px){.booking__grid{grid-template-columns:1fr}}
@media (max-width:420px){.booking__contacts li{grid-template-columns:1fr;gap:.2rem}}

/* ====================================================================
   ПОДВАЛ
   ==================================================================== */
.footer{background:var(--ink-900);border-top:1px solid var(--line-soft);margin-top:2rem}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;padding:clamp(2.4rem,5vw,3.4rem) var(--pad) 1.6rem;
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:2rem;
}
.footer__brand .brandmark__name{display:block;margin-bottom:.7rem}
.footer__brand p{color:var(--paper-faint);font-size:.9rem;max-width:36ch}
.footer__nav{display:flex;flex-direction:column;gap:.55rem}
.footer__nav a{color:var(--paper-dim);font-size:.93rem}
.footer__nav a:hover{color:var(--brass-bright)}
.footer__meta p{color:var(--paper-faint);font-size:.88rem;margin-bottom:.5rem}
.footer__meta a{color:var(--paper-dim)}
.footer__meta a:hover{color:var(--brass-bright)}
.footer__line{
  max-width:var(--maxw);margin:0 auto;padding:1.2rem var(--pad) 2rem;
  border-top:1px solid var(--line-soft);color:var(--paper-faint);font-size:.82rem;
}
@media (max-width:780px){.footer__inner{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer__inner{grid-template-columns:1fr}}

/* ====================================================================
   SCROLL-REVEAL (IntersectionObserver)
   ==================================================================== */
.reveal-up{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal-up.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal-up{opacity:1;transform:none;transition:none}
  .shot img,.svc-card,.btn{transition:none}
}