/* ДФГ — фасадные работы. Визуальная система: бетонно-серая база, чёрный текст,
   один сигнальный акцент. Никакого тёплого «рендерного» цветокора. */

@font-face{font-family:'Inter Tight';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('../public/assets/fonts/inter-tight-cyrillic.woff2') format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Inter Tight';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('../public/assets/fonts/inter-tight-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2122,U+2212,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 500;font-display:swap;
  src:url('../public/assets/fonts/jetbrains-mono-cyrillic.woff2') format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 500;font-display:swap;
  src:url('../public/assets/fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2122,U+2212,U+FEFF,U+FFFD}

:root{
  --paper:#e9eae7;
  --paper-soft:#f4f5f2;
  --ink:#101315;
  --ink-soft:#3c4348;
  --muted:#5a6266;
  --line:#cbcec9;
  --dark:#15181a;
  --dark-soft:#1e2225;
  --dark-line:#2e3337;
  --accent:#f0c21c;
  --accent-ink:#161616;
  --sans:'Inter Tight',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --pad:clamp(16px,4vw,56px);
  --radius:6px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.dark :focus-visible,.scene :focus-visible{outline-color:var(--accent)}
::selection{background:var(--accent);color:var(--accent-ink)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- типографика ---------- */
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.022em;line-height:1.06}
h1{font-size:clamp(34px,6.2vw,74px);font-weight:700;letter-spacing:-.032em}
h2{font-size:clamp(27px,3.9vw,48px)}
h3{font-size:clamp(19px,1.5vw,23px);line-height:1.2;letter-spacing:-.012em}
p{margin:0}
.lead{font-size:clamp(17px,1.45vw,21px);line-height:1.45;color:var(--ink-soft);max-width:40ch}
.note{font-size:14px;line-height:1.5;color:var(--muted)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;font-weight:500}
.num{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}

/* ---------- каркас ---------- */
.wrap{max-width:1320px;margin:0 auto;padding-inline:var(--pad)}
section{padding-block:clamp(56px,8vw,120px)}
.section-head{display:flex;flex-wrap:wrap;gap:clamp(16px,3vw,64px);align-items:end;justify-content:space-between;
  padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:clamp(28px,4vw,56px)}
.section-head p{max-width:46ch;color:var(--ink-soft)}
.section-head .mono{display:block;color:var(--muted);margin-bottom:14px}
.dark .section-head{border-color:var(--dark-line)}
.dark .section-head p{color:#b6bcc0}
.dark .section-head .mono{color:#8b9296}

/* ---------- шапка ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(233,234,231,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:26px;width:auto;mix-blend-mode:multiply}
.brand span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.site-nav a{text-decoration:none;font-size:15px;color:var(--ink-soft);padding:6px 0;border-bottom:1px solid transparent}
@media(hover:hover) and (pointer:fine){.site-nav a:hover{color:var(--ink);border-bottom-color:var(--ink)}}
.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:none;
  border-radius:var(--radius);cursor:pointer;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:'';position:absolute;left:0;width:18px;height:1.5px;background:var(--ink)}
.menu-toggle span::before{top:-5px}.menu-toggle span::after{top:5px}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;
  border:1px solid var(--ink);border-radius:var(--radius);background:var(--ink);color:#fff;
  font:inherit;font-size:15px;font-weight:500;text-decoration:none;cursor:pointer;transition-property:transform;transition-duration:120ms;transition-timing-function:var(--ease-out-quint)}
@media(hover:hover) and (pointer:fine){.btn:hover{background:#000}}
.btn--accent{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
@media(hover:hover) and (pointer:fine){.btn--accent:hover{background:#ffd42b;border-color:#ffd42b}}
.btn--ghost{background:none;color:var(--ink);border-color:var(--line)}
@media(hover:hover) and (pointer:fine){.btn--ghost:hover{border-color:var(--ink);background:none}}
.dark .btn--ghost{color:#fff;border-color:var(--dark-line)}
@media(hover:hover) and (pointer:fine){.dark .btn--ghost:hover{border-color:#fff}}

/* ---------- первый экран ---------- */
.hero{padding-top:clamp(34px,5vw,66px)}
.hero-grid{display:grid;gap:clamp(24px,3vw,44px)}
.hero h1{margin:16px 0 20px;max-width:16ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-figure{margin:0;position:relative;border:1px solid var(--line);background:var(--paper-soft)}
.hero-figure img{width:100%;height:clamp(260px,42vw,560px);object-fit:cover;filter:saturate(.88)}
.hero-figure figcaption{position:absolute;left:0;bottom:0;background:var(--paper);border-top:1px solid var(--line);
  border-right:1px solid var(--line);padding:9px 14px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:clamp(28px,4vw,52px)}
.hero-facts div{background:var(--paper);padding:20px clamp(16px,2vw,26px)}
.hero-facts dt{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.hero-facts dd{margin:0;font-size:16px;line-height:1.35;color:var(--ink)}

.dark{background:var(--dark);color:#f2f3f2}

/* ---------- работы ---------- */
.works{display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
.work{background:var(--paper)}
.work summary{display:flex;align-items:baseline;gap:16px;padding:22px 0;cursor:pointer;list-style:none;font-size:clamp(19px,2vw,26px);font-weight:500;letter-spacing:-.015em}
.work summary::-webkit-details-marker{display:none}
.work summary::after{content:'+';margin-left:auto;font-family:var(--mono);font-size:20px;color:var(--muted)}
.work[open] summary::after{content:'–'}
.work-body{padding:0 0 26px;display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));color:var(--ink-soft)}
.work-body ul{margin:0;padding-left:18px;display:grid;gap:8px;font-size:15px}

/* ---------- процесс ---------- */
.process{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(4,1fr)}
.process article{background:var(--paper);padding:clamp(18px,2vw,26px);display:grid;gap:10px;align-content:start}
.process .num{color:var(--ink)}
.process p{font-size:15px;color:var(--ink-soft)}

/* ---------- заявка ---------- */
.cta{background:var(--paper-soft);border:1px solid var(--line);padding:clamp(22px,4vw,56px);
  display:grid;gap:clamp(18px,3vw,48px);grid-template-columns:1.1fr .9fr;align-items:center}
.cta ul{margin:0;padding-left:18px;display:grid;gap:8px;color:var(--ink-soft);font-size:15px}

dialog{border:1px solid var(--ink);border-radius:var(--radius);padding:0;max-width:560px;width:calc(100% - 32px);background:var(--paper)}
dialog::backdrop{background:rgba(16,19,21,.55)}
.dialog-inner{padding:clamp(20px,3vw,32px);display:grid;gap:14px}
label{display:grid;gap:6px;font-size:14px;color:var(--ink-soft)}
input,textarea{font:inherit;font-size:16px;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;color:var(--ink);width:100%}
textarea{min-height:104px;resize:vertical}
input:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:1px;border-color:var(--ink)}
.dialog-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ---------- подвал ---------- */
.site-footer{border-top:1px solid var(--line);padding-block:clamp(28px,4vw,48px)}
.footer-inner{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.site-footer img{height:24px;mix-blend-mode:multiply}

/* ---------- адаптив ---------- */
@media(min-width:900px){
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center}
}
@media(max-width:899px){
  .process{grid-template-columns:repeat(2,1fr)}
  .cta{grid-template-columns:1fr}
}
@media(max-width:760px){
  body{font-size:16px}
  .menu-toggle{display:inline-flex}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:14px var(--pad) 20px;}
  .site-nav ul{flex-direction:column;gap:2px}
  .site-nav a{display:block;padding:12px 0;font-size:17px}
  .hero-facts{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
}