/* =========================================================
   Анастасия Сердюкова — проектирование и дизайн
   Система: раскладка. Модульная сетка с видимыми швами.
   ========================================================= */

:root{
  /* Палитра снята с её собственных проектов */
  --plaster:#F2EFEA;   /* стена, фон */
  --grout:#DCD6CE;     /* шов, линия */
  --stone:#A29997;     /* второстепенный текст */
  --graphite:#2B2724;  /* основной текст */
  --sand:#EFCFA9;      /* песочный из ванной */
  --ultra:#1B34C4;     /* синий акрил — единственный акцент */

  --display:"Manrope",system-ui,sans-serif;
  --body:"Spectral",Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;

  --gut:clamp(18px,3.2vw,44px);
  --joint:1px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

body{
  margin:0;
  background:var(--plaster);
  color:var(--graphite);
  font-family:var(--body);
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  font-kerning:normal;
}

img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--ultra);outline-offset:4px}

/* --- регистр «чертёжного листа»: подписи, метки, числа --- */
.label{
  font-family:var(--mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
}

h1,h2,h3{
  font-family:var(--display);
  font-weight:200;
  letter-spacing:-.02em;
  line-height:1.04;
  margin:0;
}
h2{font-size:clamp(30px,4.6vw,64px)}
h3{font-size:clamp(20px,2vw,27px);font-weight:300;letter-spacing:-.01em}

p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

.wrap{max-width:1560px;margin:0 auto;padding-inline:var(--gut)}
.narrow{max-width:62ch}

/* шов — структурная линия, а не украшение */
.joint{border-top:var(--joint) solid var(--grout)}

/* ============ шапка ============ */
.top{
  position:fixed;inset:0 0 auto 0;z-index:60;
  backdrop-filter:blur(14px);
  background:color-mix(in srgb,var(--plaster) 78%,transparent);
  border-bottom:var(--joint) solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.top.is-stuck{border-bottom-color:var(--grout)}
.top__in{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:64px;
}
.brand{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase}
.brand b{font-weight:500}
.menu{display:flex;gap:clamp(14px,2vw,30px);list-style:none;margin:0;padding:0}
.menu a{
  font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--stone);padding-block:4px;
  border-bottom:1px solid transparent;transition:color .2s,border-color .2s;
}
.menu a:hover,.menu a.on{color:var(--graphite);border-bottom-color:var(--ultra)}
.burger{display:none}

/* ============ герой ============ */
.hero{position:relative;min-height:86vh;display:flex;align-items:flex-end;overflow:hidden}
.hero__img{position:absolute;inset:0}
.hero__img img{width:100%;height:100%;object-fit:cover}
.hero__img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(43,39,36,.30) 0%,rgba(43,39,36,0) 32%,rgba(43,39,36,.55) 100%);
}
.hero__txt{position:relative;width:100%;padding-block:clamp(28px,5vw,64px);color:#fff}
.hero__txt .label{color:rgba(255,255,255,.72)}
.hero h1{
  font-size:clamp(38px,7.4vw,104px);
  margin:.24em 0 .3em;
  max-width:16ch;
}
.hero__meta{display:flex;flex-wrap:wrap;gap:8px 26px}
.hero__meta span{
  font-family:var(--mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:rgba(255,255,255,.84);
}

/* ============ секции ============ */
.sec{padding-block:clamp(56px,8vw,132px)}
.sec__head{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.1fr);
  gap:var(--gut);align-items:start;
  padding-bottom:clamp(28px,4vw,60px);
}
.sec__num{display:flex;gap:14px;align-items:baseline}

/* ============ раскладка проектов ============ */
/* модули разного размера — как плитка в раскладке */
.tiles{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:var(--joint);
  background:var(--grout);
  border-block:var(--joint) solid var(--grout);
}
.tile{
  position:relative;background:var(--plaster);
  grid-column:span 3;overflow:hidden;
}
.tile--wide{grid-column:span 6}
.tile--third{grid-column:span 2}
.tile__fig{position:relative;overflow:hidden;background:var(--grout)}
.tile__fig img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .9s cubic-bezier(.2,.7,.2,1),filter .5s ease;
}
.tile:hover .tile__fig img{transform:scale(1.035)}
.tile--wide .tile__fig{aspect-ratio:21/9}
.tile .tile__fig{aspect-ratio:4/3}
.tile--third .tile__fig{aspect-ratio:3/4}
.tile__cap{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;padding:14px 2px 26px;
}
.tile__cap h3{transition:color .2s}
.tile:hover .tile__cap h3{color:var(--ultra)}

/* ============ обо мне ============ */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.45fr);gap:var(--gut)}
.about__portrait{align-self:start}
.cv{list-style:none;margin:clamp(24px,4vw,48px) 0 0;padding:0}
.cv li{
  display:grid;grid-template-columns:76px 1fr;gap:20px;
  padding:14px 0;border-top:var(--joint) solid var(--grout);
}
.cv li:last-child{border-bottom:var(--joint) solid var(--grout)}
.cv time{font-family:var(--mono);font-size:12px;color:var(--stone);letter-spacing:.06em;padding-top:3px}

/* ============ этапы ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--joint);background:var(--grout)}
.step{background:var(--plaster);padding:clamp(22px,3vw,40px) clamp(18px,2.4vw,34px)}
.step__n{
  font-family:var(--display);font-weight:200;font-size:clamp(44px,5vw,76px);
  line-height:1;color:var(--grout);display:block;margin-bottom:.32em;
}
.step h3{margin-bottom:.5em}

/* ============ стоимость ============ */
.price{border-top:var(--joint) solid var(--grout)}
.price__row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr) auto;
  gap:var(--gut);align-items:start;
  padding:clamp(24px,3.4vw,44px) 0;
  border-bottom:var(--joint) solid var(--grout);
}
.price__sum{text-align:right;white-space:nowrap}
.price__sum b{font-family:var(--display);font-weight:300;font-size:clamp(20px,2.1vw,28px);display:block}
.price__sum small{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--stone);text-transform:uppercase}
details{margin-top:14px;border-top:var(--joint) solid var(--grout)}
summary{
  cursor:pointer;list-style:none;padding:12px 0;
  font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--stone);
  display:flex;justify-content:space-between;gap:12px;transition:color .2s;
}
summary:hover{color:var(--graphite)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:14px;line-height:1}
details[open] summary::after{content:"–"}
details ul{margin:0 0 18px;padding-left:1.1em;color:var(--stone);font-size:.94em}
details li{margin-bottom:.3em}

/* ============ контакты ============ */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:var(--gut)}
.links{list-style:none;margin:clamp(20px,3vw,36px) 0 0;padding:0}
.links li{border-top:var(--joint) solid var(--grout);padding:13px 0}
.links li:last-child{border-bottom:var(--joint) solid var(--grout)}
.links a{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  font-family:var(--display);font-weight:300;font-size:clamp(16px,1.5vw,20px);
  transition:color .2s;
}
.links a:hover{color:var(--ultra)}
.links a span{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--stone)}

.field{margin-bottom:18px}
.field label{display:block;margin-bottom:6px}
.field input,.field textarea{
  width:100%;padding:11px 0;
  border:0;border-bottom:var(--joint) solid var(--stone);
  background:transparent;color:var(--graphite);
  font-family:var(--body);font-size:1em;
  transition:border-color .2s;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--ultra)}
.btn{
  display:inline-block;margin-top:8px;padding:14px 34px;
  background:var(--graphite);color:var(--plaster);border:0;cursor:pointer;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:background .25s;
}
.btn:hover{background:var(--ultra)}

/* ============ подвал ============ */
.foot{border-top:var(--joint) solid var(--grout);padding-block:26px}
.foot__in{display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:space-between}

/* =========================================================
   Страница проекта
   ========================================================= */
.pmeta{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--joint);
  background:var(--grout);border-block:var(--joint) solid var(--grout);
}
.pmeta div{background:var(--plaster);padding:20px clamp(14px,1.6vw,24px)}
.pmeta dt{margin-bottom:6px}
.pmeta dd{margin:0;font-family:var(--display);font-weight:300;font-size:clamp(15px,1.3vw,18px)}

.tasks{list-style:none;margin:0;padding:0;counter-reset:t}
.tasks li{
  counter-increment:t;
  display:grid;grid-template-columns:44px 1fr;gap:18px;
  padding:18px 0;border-top:var(--joint) solid var(--grout);
}
.tasks li:last-child{border-bottom:var(--joint) solid var(--grout)}
.tasks li::before{
  content:counter(t,decimal-leading-zero);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--stone);padding-top:5px;
}

/* чередующиеся блоки текст/фото */
.block{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);
  gap:var(--gut);align-items:center;
  padding-block:clamp(38px,6vw,86px);
}
.block--flip .block__txt{order:2}
.block__txt h3{margin-bottom:.7em}
.block figure{margin:0}
.block figcaption{margin-top:10px}

.full{margin-block:clamp(38px,6vw,86px)}
.full img{width:100%}

/* --- до / после --- */
.ba{position:relative;user-select:none;touch-action:pan-y;overflow:hidden;cursor:ew-resize;background:var(--grout)}
.ba img{width:100%;display:block;pointer-events:none}
.ba__after{position:absolute;inset:0;overflow:hidden;width:50%}
.ba__after img{position:absolute;inset:0;height:100%;width:auto;max-width:none}
.ba__bar{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--plaster);pointer-events:none}
.ba__bar::before{
  content:"";position:absolute;top:50%;left:50%;translate:-50% -50%;
  width:46px;height:46px;border:1px solid var(--plaster);border-radius:50%;
  background:color-mix(in srgb,var(--graphite) 34%,transparent);backdrop-filter:blur(3px);
}
.ba__bar::after{
  content:"‹ ›";position:absolute;top:50%;left:50%;translate:-50% -50%;
  color:var(--plaster);font-family:var(--mono);font-size:14px;letter-spacing:.06em;
}
.ba__tag{position:absolute;bottom:12px;z-index:2;padding:5px 11px;background:color-mix(in srgb,var(--graphite) 62%,transparent);color:var(--plaster)}
.ba__tag--l{left:12px}
.ba__tag--r{right:12px}

.pnav{display:flex;justify-content:space-between;gap:20px;padding-block:34px;border-top:var(--joint) solid var(--grout)}
.pnav a{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;transition:color .2s}
.pnav a:hover{color:var(--ultra)}

/* ============ появление при прокрутке ============ */
.rise{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rise.seen{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none}}

/* ============ адаптив ============ */
@media (max-width:1000px){
  .sec__head,.about,.contact,.block{grid-template-columns:1fr}
  .block--flip .block__txt{order:0}
  .steps{grid-template-columns:1fr}
  .pmeta{grid-template-columns:repeat(2,1fr)}
  .price__row{grid-template-columns:1fr;gap:14px}
  .price__sum{text-align:left}
  .tile,.tile--third{grid-column:span 6}
  .tile .tile__fig,.tile--third .tile__fig{aspect-ratio:4/3}
  .tile--wide .tile__fig{aspect-ratio:16/9}
}
@media (max-width:640px){
  .menu{gap:12px}
  .menu a{font-size:10px;letter-spacing:.08em}
  .brand span{display:none}
  .hero{min-height:78vh}
  .cv li{grid-template-columns:56px 1fr;gap:12px}
}

/* =========================================================
   Страница проекта — раскладка фотографий
   Текста минимум: подписи живут на полях, как в чертеже
   ========================================================= */

.plate{padding-block:clamp(30px,5vw,72px)}

/* полноширинная врезка — от края до края экрана */
.ph-bleed{margin-inline:calc(50% - 50vw);width:100vw}
.ph-bleed img{width:100%;height:clamp(320px,62vh,760px);object-fit:cover}

/* пара кадров встык, между ними шов */
.ph-pair{display:grid;grid-template-columns:1fr 1fr;gap:var(--joint);background:var(--grout)}
.ph-pair img{width:100%;background:var(--plaster)}

/* одиночный кадр со смещением — вокруг него воздух */
.ph-solo{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:end}
.ph-solo figure{margin:0}
.ph-solo--l figure{grid-column:1 / span 7}
.ph-solo--l .ph-cap{grid-column:9 / span 4}
.ph-solo--r figure{grid-column:6 / span 7}
.ph-solo--r .ph-cap{grid-column:1 / span 4;align-self:end}
.ph-solo--mid figure{grid-column:4 / span 6}
.ph-solo--mid .ph-cap{grid-column:1 / span 2;align-self:end}

/* тройка: узкий, широкий, узкий */
.ph-trio{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:var(--joint);background:var(--grout);align-items:start}
.ph-trio img{width:100%;background:var(--plaster)}

/* подпись на поле */
.ph-cap{padding-bottom:6px}
.ph-cap b{
  display:block;font-family:var(--display);font-weight:300;
  font-size:clamp(15px,1.35vw,19px);letter-spacing:-.01em;margin-bottom:5px;
}
.ph-cap span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--stone);
}

/* короткое вступление */
.lede{
  font-size:clamp(18px,1.9vw,25px);line-height:1.5;font-weight:300;
  font-family:var(--display);letter-spacing:-.015em;max-width:30ch;
}

@media (max-width:900px){
  .ph-solo{grid-template-columns:1fr;gap:14px}
  .ph-solo--l figure,.ph-solo--r figure,.ph-solo--mid figure{grid-column:1/-1}
  .ph-solo--l .ph-cap,.ph-solo--r .ph-cap,.ph-solo--mid .ph-cap{grid-column:1/-1}
  .ph-trio{grid-template-columns:1fr}
  .ph-bleed img{height:52vh}
}
@media (max-width:560px){
  .ph-pair{grid-template-columns:1fr}
}

/* кадр во всю ширину контейнера, без обрезки */
.ph-wide{margin:0}
.ph-wide img{width:100%}

/* ловушка для ботов — видна только им */
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formnote{margin-top:14px;min-height:1.2em}
.formnote.ok{color:var(--ultra)}
.formnote.err{color:#a33}