/* ДОМОСТРОЕНИЕ — общие стили (все страницы) */
:root{
    --color-accent:#c8552e;--color-accent-dark:#a8431f;--color-accent-light:#e07a52;
    --color-bg:#ffffff;--color-bg-soft:#f6f3ee;--color-dark:#1f1d1a;--color-dark-2:#2b2824;
    --color-text:#33302b;--color-muted:#7a746b;--color-line:#e4ded4;--color-gold:#d9a441;--color-success:#3c9d5b;
    --font-display:'Prata',Georgia,serif;--font-body:'Manrope',system-ui,sans-serif;
    --sidebar-w:264px;--wrap:1320px;--radius:14px;--radius-sm:10px;--radius-lg:20px;
    --shadow-sm:0 2px 8px rgba(31,29,26,.06);--shadow:0 8px 26px rgba(31,29,26,.10);--shadow-lg:0 20px 50px rgba(31,29,26,.16);
    --gap-section:72px;--trans:.25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* КНОПКИ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:15px;line-height:1;padding:13px 22px;border-radius:var(--radius-sm);transition:var(--trans);white-space:nowrap}
.btn--lg{padding:15px 28px;font-size:15.5px}
.btn--block{width:100%}
.btn--accent{background:var(--color-accent);color:#fff;box-shadow:var(--shadow-sm)}
.btn--accent:hover{background:var(--color-accent-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--outline{border:2px solid var(--color-accent);color:var(--color-accent);background:transparent}
.btn--outline:hover{background:var(--color-accent);color:#fff}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.btn--ghost:hover{background:rgba(255,255,255,.24)}
.btn--light{background:#fff;color:var(--color-accent)}
.btn--light:hover{background:var(--color-bg-soft);transform:translateY(-2px)}
.btn--ghost-dark{background:transparent;color:var(--color-text);border:1.5px solid var(--color-line)}
.btn--ghost-dark:hover{border-color:var(--color-accent);color:var(--color-accent)}

/* ЛОГО */
.logo{display:inline-flex;align-items:center;gap:10px;font-size:1.35rem}
.logo__icon{color:var(--color-accent);font-size:1.45rem}
.logo__text{font-family:var(--font-display);color:var(--color-dark);font-weight:400;letter-spacing:.3px}
.logo__text strong{color:var(--color-accent);font-weight:400}
.logo--light .logo__text{color:#fff}

/* ===== SIDEBAR ===== */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100dvh;z-index:100;background:#fff;color:var(--color-text);display:flex;flex-direction:column;border-right:1px solid var(--color-line);box-shadow:2px 0 16px rgba(31,29,26,.04)}
.sidebar__top{display:flex;align-items:center;justify-content:space-between;padding:22px 20px;border-bottom:1px solid var(--color-line);flex:0 0 auto}
.sidebar__close{display:none;width:38px;height:38px;border-radius:50%;color:var(--color-muted);font-size:1.2rem;transition:var(--trans)}
.sidebar__close:hover{background:var(--color-bg-soft);color:var(--color-accent)}
.sidebar__nav{flex:1;overflow-y:auto;padding:10px 0}

/* пункт меню (ссылка) */
.snav{display:flex;align-items:center;gap:13px;width:100%;padding:12px 22px;font-weight:600;font-size:15px;color:var(--color-text);transition:var(--trans);text-align:left;border-left:3px solid transparent}
.snav > i{color:var(--color-accent);width:20px;text-align:center;font-size:.98rem}
.snav:hover{background:var(--color-bg-soft);color:var(--color-accent);border-left-color:var(--color-accent)}
.snav--active{background:var(--color-bg-soft);border-left-color:var(--color-accent);color:var(--color-accent)}

/* СВОРАЧИВАЕМАЯ ГРУППА */
.navgroup{border-bottom:1px solid var(--color-line)}
.navgroup__head{display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 22px;font-size:12px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--color-muted);transition:var(--trans)}
.navgroup__head:hover{color:var(--color-accent)}
.navgroup__head i{font-size:.7rem;transition:transform var(--trans)}
.navgroup.collapsed .navgroup__head i{transform:rotate(-90deg)}
.navgroup__body{overflow:hidden;transition:max-height .3s ease;max-height:1500px}
.navgroup.collapsed .navgroup__body{max-height:0}

/* раздел с подпунктами (аккордеон): 1 клик — раскрыть, 2 клика — перейти */
.subnav{}
.subnav__row{display:flex;align-items:stretch;width:100%;border-left:3px solid transparent;transition:var(--trans)}
.subnav__row:hover{background:var(--color-bg-soft);border-left-color:var(--color-accent)}
.subnav__row.open{border-left-color:var(--color-accent)}
.subnav__link{flex:1;display:flex;align-items:center;gap:13px;padding:12px 8px 12px 22px;font-weight:600;font-size:15px;color:var(--color-text);text-align:left;min-width:0;cursor:pointer}
.subnav__link i{color:var(--color-accent);width:20px;text-align:center;font-size:.95rem;flex-shrink:0}
.subnav__link span{overflow:hidden;text-overflow:ellipsis}
.subnav__row:hover .subnav__link,.subnav__row.open .subnav__link{color:var(--color-accent)}
.subnav__toggle{flex:0 0 auto;width:42px;display:flex;align-items:center;justify-content:center;color:var(--color-muted);transition:var(--trans)}
.subnav__toggle i{font-size:.72rem;transition:transform var(--trans)}
.subnav__row.open .subnav__toggle i{transform:rotate(180deg)}
.subnav__row.open .subnav__toggle{color:var(--color-accent)}
.subnav__sub{max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--color-bg-soft)}
.subnav__sub.open{max-height:600px}
.subnav__sub a{display:block;padding:10px 22px 10px 56px;font-size:13.5px;color:var(--color-muted);transition:var(--trans)}
.subnav__sub a:hover{color:var(--color-accent);background:rgba(200,85,46,.07)}

.sidebar__foot{padding:16px 20px 20px;border-top:1px solid var(--color-line);display:flex;flex-direction:column;gap:10px;flex:0 0 auto}
.sidebar__phone{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--color-dark)}
.sidebar__phone i{color:var(--color-accent)}
.sidebar__hours{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--color-muted)}
.sidebar__hours i{color:var(--color-accent)}
.sidebar__overlay{position:fixed;inset:0;background:rgba(31,29,26,.5);backdrop-filter:blur(2px);z-index:95;opacity:0;visibility:hidden;transition:var(--trans)}
.sidebar__overlay.show{opacity:1;visibility:visible}

/* ===== ОБЛАСТЬ + TOPBAR ===== */
.page{margin-left:var(--sidebar-w);min-height:100dvh}
.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--color-line);display:flex;align-items:center;gap:22px;padding:0 32px;height:72px;transition:var(--trans)}
.topbar.scrolled{box-shadow:var(--shadow)}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--radius-sm);background:var(--color-bg-soft);color:var(--color-dark);font-size:1.2rem;align-items:center;justify-content:center;transition:var(--trans);flex:0 0 auto}
.menu-btn:hover{background:var(--color-accent);color:#fff}
.topbar__logo{display:none}
.topbar__menu{flex:1;display:flex;align-items:center;gap:4px;min-width:0}
.topbar__link{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;font-weight:600;font-size:14.5px;color:var(--color-text);border-radius:var(--radius-sm);transition:var(--trans);white-space:nowrap}
.topbar__link i{color:var(--color-accent);font-size:1rem}
.topbar__link:hover{background:var(--color-bg-soft);color:var(--color-accent)}
.topbar__actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.topbar__phone{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--color-dark);font-size:15.5px;white-space:nowrap}
.topbar__phone i{color:var(--color-accent)}
.topbar__phone:hover{color:var(--color-accent)}

/* СЕКЦИИ */
.section{padding:var(--gap-section) 0}
.section--soft{background:var(--color-bg-soft)}
.section--dark{background:var(--color-dark)}
.section-head{text-align:center;margin-bottom:42px}
.section-head--left{text-align:left;margin-bottom:28px}
.section-head--light .section-head__title{color:#fff}
.section-head--light .section-head__sub{color:rgba(255,255,255,.7)}
.section-head__title{font-family:var(--font-display);font-size:clamp(1.7rem,2.6vw,2.4rem);color:var(--color-dark);font-weight:400;line-height:1.15}
.section-head__sub{color:var(--color-muted);font-size:1.05rem;margin-top:10px}

/* КАРТОЧКА ПРОЕКТА (общая) — вся карточка ссылка */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.catalog__more{text-align:center;margin-top:40px}
.project{display:flex;flex-direction:column;background:#fff;border:1px solid var(--color-line);border-radius:var(--radius);overflow:hidden;transition:var(--trans);color:inherit}
.project:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.project__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.project__img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.project:hover .project__img{transform:scale(1.05)}
.project__tag{position:absolute;top:14px;left:14px;background:var(--color-accent);color:#fff;font-size:12px;font-weight:700;padding:6px 13px;border-radius:20px;z-index:2}
.project__fav{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--color-muted);display:flex;align-items:center;justify-content:center;transition:var(--trans);z-index:2}
.project__fav:hover{color:var(--color-accent);transform:scale(1.1)}
.project__fav.active{color:var(--color-accent)}
.project__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:16px;flex:1}
.project__name{font-family:var(--font-display);font-weight:400;font-size:1.25rem;color:var(--color-dark);line-height:1.3}
.project__specs{display:flex;flex-direction:column;gap:9px}
.project__spec{display:flex;justify-content:space-between;align-items:baseline;gap:16px;font-size:15px;line-height:1.4}
.project__spec dt{color:var(--color-muted);white-space:nowrap}
.project__spec dd{color:var(--color-dark);font-weight:600;text-align:right;white-space:nowrap}
.project__foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding-top:16px;border-top:1px solid var(--color-line)}
.project__price small{display:block;font-size:12.5px;color:var(--color-muted);margin-bottom:2px}
.project__price strong{font-size:1.25rem;color:var(--color-dark);white-space:nowrap}
.project__more{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;color:var(--color-accent);transition:var(--trans)}
.project:hover .project__more{gap:12px}

/* ФОРМЫ */
.field{display:flex;flex-direction:column;gap:7px}
.field__label{font-size:13px;font-weight:600;color:var(--color-muted)}
.field__input{width:100%;padding:13px 15px;border:1.5px solid var(--color-line);border-radius:var(--radius-sm);font-family:inherit;font-size:15px;color:var(--color-text);background:#fff;transition:var(--trans)}
.field__input:focus{outline:none;border-color:var(--color-accent)}
.form__title{font-family:var(--font-display);font-weight:400;font-size:1.5rem;color:var(--color-dark);margin-bottom:4px}
.form__note{font-size:12px;color:var(--color-muted);text-align:center}

/* CTA BAND */
.ctaband{background:linear-gradient(120deg,var(--color-accent),var(--color-accent-dark));color:#fff;padding:54px 0}
.ctaband__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.ctaband__text h2{font-family:var(--font-display);font-weight:400;font-size:clamp(1.6rem,2.6vw,2.2rem)}
.ctaband__text p{color:rgba(255,255,255,.85);margin-top:6px}

/* FOOTER */
.footer{background:var(--color-dark);color:rgba(255,255,255,.72);padding-top:64px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:48px}
.footer__col{display:flex;flex-direction:column;gap:11px}
.footer__col a{font-size:14.5px;color:rgba(255,255,255,.7);transition:var(--trans);display:inline-flex;align-items:center;gap:8px}
.footer__col a:hover{color:var(--color-accent-light)}
.footer__col a i{color:var(--color-accent)}
.footer__about{font-size:14px;line-height:1.7;margin-top:6px}
.footer__head{color:#fff;font-size:16px;margin-bottom:6px;font-weight:700}
.footer__addr{font-size:14.5px;display:inline-flex;align-items:center;gap:8px}
.footer__addr i{color:var(--color-accent)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer__bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13.5px;color:rgba(255,255,255,.5)}
.footer__bottom a:hover{color:var(--color-accent-light)}

/* TO TOP */
.totop{position:fixed;right:26px;bottom:26px;width:52px;height:52px;border-radius:50%;background:var(--color-accent);color:#fff;font-size:1.1rem;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;z-index:60;opacity:0;visibility:hidden;transform:translateY(14px);transition:var(--trans)}
.totop.show{opacity:1;visibility:visible;transform:translateY(0)}
.totop:hover{background:var(--color-accent-dark);transform:translateY(-3px)}

/* МОДАЛКА */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.open{display:block}
.modal__overlay{position:absolute;inset:0;background:rgba(31,29,26,.6);backdrop-filter:blur(3px);animation:fade .25s ease}
.modal__box{position:relative;max-width:430px;width:calc(100% - 40px);margin:auto;top:50%;transform:translateY(-50%);background:#fff;border-radius:var(--radius-lg);padding:38px 34px;box-shadow:var(--shadow-lg);animation:pop .3s ease}
.modal__close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;color:var(--color-muted);font-size:1.1rem;transition:var(--trans)}
.modal__close:hover{background:var(--color-bg-soft);color:var(--color-accent)}
.modal__title{font-family:var(--font-display);font-weight:400;font-size:1.6rem;color:var(--color-dark)}
.modal__sub{color:var(--color-muted);margin:8px 0 24px;font-size:14.5px}
.modal__box form{display:flex;flex-direction:column;gap:15px}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(-46%) scale(.96)}to{opacity:1;transform:translateY(-50%) scale(1)}}

/* ТОСТ */
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:var(--color-success);color:#fff;font-weight:600;padding:14px 22px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;z-index:130;opacity:0;visibility:hidden;transition:var(--trans)}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* АДАПТИВ */
@media (max-width:1280px){ .cards-grid{grid-template-columns:repeat(3,1fr)} }
@media (max-width:1180px){ .footer__inner{grid-template-columns:1fr 1fr} .topbar__menu{gap:0} .topbar__link{padding:10px 10px;font-size:13.5px} }
@media (max-width:1024px){
    :root{--gap-section:60px}
    .page{margin-left:0}
    .sidebar{transform:translateX(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-lg);width:300px;max-width:86%}
    .sidebar.open{transform:translateX(0)}
    .sidebar__close{display:flex}
    .menu-btn{display:flex}
    .topbar__logo{display:inline-flex}
    .topbar__menu{display:none}
    .topbar{gap:16px}
    .cards-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
    :root{--gap-section:48px}
    .wrap{padding:0 18px}
    .topbar{padding:0 16px;height:62px;gap:12px}
    .topbar__phone span{display:none}
    .topbar__cta{display:none}
    .topbar__logo{font-size:1.15rem}
    .cards-grid{grid-template-columns:1fr}
    .footer__inner{grid-template-columns:1fr;gap:28px}
    .ctaband__inner{flex-direction:column;text-align:center}
    .ctaband .btn{width:100%}
    .modal__box{padding:26px 20px}
    .section-head{margin-bottom:32px}
}