/* ===== ТОКЕНЫ ===== */
:root{
  --bg:#FDFCF9;
  --bg-alt:#F6F2EA;
  --ink:#16140f;
  --lead:#4A4536;
  --muted:#56503F;
  --line:#E7E1D4;
  --gold:#A9792F;
  --gold-soft:rgba(169,121,47,.10);
  --maxw:1040px;
  --pad:clamp(20px,5vw,64px);
  --t:.5s cubic-bezier(.22,.61,.36,1);
}

/* ===== БАЗА ===== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Golos Text",system-ui,sans-serif;
  color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}

h1,h2,h3{font-family:"Lora",Georgia,serif;font-weight:600;line-height:1.08;letter-spacing:-.01em}
em{font-style:italic;color:var(--gold)}

/* метка-капс (IBM Plex Mono) */
.klabel{
  font-family:"IBM Plex Mono",monospace;font-weight:400;
  text-transform:uppercase;letter-spacing:.22em;font-size:12px;
  color:var(--gold);margin-bottom:20px;
}

/* ===== ШАПКА ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(253,252,249,.85);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:22px}
.brand{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.brand__name{font-family:"Lora",serif;font-weight:600;font-size:22px;letter-spacing:.01em}
.brand__sub{font-family:"IBM Plex Mono",monospace;font-style:normal;text-transform:uppercase;letter-spacing:.18em;font-size:11px;color:var(--gold)}
.topnav{display:flex;gap:clamp(16px,3vw,30px);font-size:14px}
.topnav a{color:var(--muted);transition:color var(--t)}
.topnav a:hover{color:var(--gold)}
@media(max-width:600px){.topnav a:nth-child(3),.topnav a:nth-child(1){display:none}}

/* ===== СЕКЦИИ ===== */
.section{padding-block:clamp(64px,10vw,120px)}
.section--alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section__title{font-size:clamp(30px,5vw,48px);margin-bottom:clamp(28px,5vw,52px)}

/* ===== HERO ===== */
.hero{padding-block:clamp(72px,12vw,128px)}
.hero__title{font-size:clamp(38px,7.5vw,62px);max-width:14ch;margin-bottom:28px}
.lead{font-size:clamp(17px,2.2vw,19px);color:var(--lead);max-width:60ch;margin-bottom:38px}
.cta{display:flex;flex-wrap:wrap;gap:16px}

/* ===== КНОПКИ (квадратные, как в дизайне) ===== */
.btn{
  display:inline-block;font-size:15px;padding:15px 28px;border:1px solid var(--ink);
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn--fill{background:var(--ink);color:#fff}
.btn--fill:hover{background:var(--gold);border-color:var(--gold);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}

/* ===== КАРТОЧКИ УСЛУГ ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.5vw,24px)}
.card{
  background:var(--bg);border:1px solid var(--line);
  padding:clamp(26px,3vw,36px);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card__num{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--gold);letter-spacing:.1em;display:block;margin-bottom:16px}
.card__title{font-size:22px;margin-bottom:10px}
.card__text{color:var(--lead);font-size:16px}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(22,20,15,.09);border-color:var(--gold)}
@media(max-width:840px){.cards{grid-template-columns:1fr}}

/* ===== ПРОЕКТЫ ===== */
.projects{list-style:none;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.project{
  display:grid;grid-template-columns:1fr auto;grid-template-areas:"name tag""city tag";
  align-items:center;column-gap:16px;
  padding:20px 6px;border-bottom:1px solid var(--line);
  transition:background var(--t),padding-left var(--t)
}
.project:hover{background:var(--gold-soft);padding-left:16px}
.project__name{grid-area:name;font-family:"Lora",serif;font-weight:600;font-size:18px}
.project__city{grid-area:city;color:var(--muted);font-size:14px}
.project__tag{grid-area:tag;font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--gold);text-align:right;white-space:nowrap}
@media(max-width:720px){.projects{grid-template-columns:1fr}}

/* ===== О СЕБЕ ===== */
.about{display:grid;grid-template-columns:1fr .85fr;gap:clamp(28px,5vw,64px);align-items:start}
.about__lead{font-size:20px;margin-bottom:28px;font-family:"Lora",serif}
.about__facts{display:grid;gap:18px;margin-bottom:24px}
.about__facts dt{font-family:"IBM Plex Mono",monospace;font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);margin-bottom:4px}
.about__facts dd{font-size:17px;line-height:1.4}
.about__note{font-size:14px;color:var(--muted)}
.about__diploma img{width:100%;border:1px solid var(--line);cursor:zoom-in;transition:transform var(--t),box-shadow var(--t)}
.about__diploma img:hover{transform:scale(1.01);box-shadow:0 16px 40px rgba(22,20,15,.12)}
@media(max-width:760px){.about{grid-template-columns:1fr}}

/* ===== ГАЛЕРЕЯ ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(8px,1.2vw,14px);grid-auto-flow:dense}
.gallery__item{overflow:hidden;aspect-ratio:1;background:var(--bg-alt);border:1px solid var(--line)}
.gallery__item--feature{grid-column:span 2;grid-row:span 2}
.gallery__item img{width:100%;height:100%;object-fit:cover;cursor:zoom-in;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.gallery__item:hover img{transform:scale(1.06)}
@media(max-width:760px){.gallery{grid-template-columns:repeat(2,1fr)}.gallery__item--feature{grid-column:span 2;grid-row:span 1;aspect-ratio:2}}

/* ===== КОНТАКТЫ ===== */
.contacts{padding-bottom:0}
.contacts__lead{font-size:19px;color:var(--lead);margin-bottom:36px}
.contacts__links{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:680px}
.contacts__link{
  border:1px solid var(--line);padding:24px 28px;display:flex;flex-direction:column;gap:6px;
  transition:transform var(--t),border-color var(--t),background var(--t)
}
.contacts__link:hover{transform:translateY(-4px);border-color:var(--gold);background:var(--gold-soft)}
.contacts__label{font-family:"IBM Plex Mono",monospace;font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold)}
.contacts__value{font-family:"Lora",serif;font-weight:600;font-size:20px}
@media(max-width:560px){.contacts__links{grid-template-columns:1fr}}

.footer{margin-top:clamp(56px,9vw,96px);border-top:1px solid var(--line)}
.footer__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding-block:28px;font-size:14px;color:var(--muted)}

/* ===== LIGHTBOX ===== */
.lightbox{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:5vw;background:rgba(22,20,15,.93);cursor:zoom-out}
.lightbox.open{display:flex;animation:fade .25s ease}
.lightbox__img{max-width:92vw;max-height:90vh;object-fit:contain}
.lightbox__close{position:absolute;top:16px;right:24px;font-size:42px;line-height:1;color:#fff;background:none;border:none;cursor:pointer;opacity:.8}
.lightbox__close:hover{opacity:1}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ===== ПОЯВЛЕНИЕ ПРИ СКРОЛЛЕ ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.cards .reveal:nth-child(2){transition-delay:.08s}
.cards .reveal:nth-child(3){transition-delay:.16s}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.project,.contacts__link,.gallery__item img,.about__diploma img{transition:none}
}