/* =========================================================
   БОКСЛИ — дизайн-система сайта
   ========================================================= */

:root {
  --bg: #121214;
  --bg-alt: #18181c;
  --surface: #1e1e23;
  --surface-2: #26262c;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f3ef;
  --text-muted: #a6a3a0;
  --text-faint: #706d6a;
  --accent: #0abab5;
  --accent-soft: rgba(10, 186, 181, 0.14);
  --accent-2: #0e8f8a;
  --accent-contrast: #0a1e1d;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --container: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: "Unbounded", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .35s var(--ease), background .3s, border-color .3s, color .3s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
}
.btn-primary:hover { background: #3fd4cf; transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  padding: 12px 0;
  background: rgba(18, 18, 20, 0.86);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-family: "Unbounded", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 999px;
  transition: color .25s, background .25s;
}
.nav__link:hover, .nav__link.is-active { color: var(--text); background: var(--surface); }
.nav__caret { width: 9px; height: 9px; opacity: .6; transition: transform .25s; }
.nav__item:hover .nav__caret { transform: rotate(180deg); }

.nav__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  box-shadow: 0 24px 48px rgba(0,0,0,.35);
}
.nav__item:hover .nav__dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__dropdown a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-s);
  font-size: 14px;
  color: var(--text-muted);
  transition: background .2s, color .2s;
}
.nav__dropdown a:hover { background: var(--surface-2); color: var(--text); }
.nav__dropdown a.flagship { color: var(--accent); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone { font-size: 14.5px; font-weight: 600; display: none; }
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.burger span { width: 22px; height: 2px; background: var(--text); transition: transform .3s, opacity .3s; }

@media (min-width: 981px) { .header-phone { display: inline-flex; } }
@media (max-width: 980px) {
  .nav { display: none; }
  .burger { display: flex; }
}

/* Mobile nav panel */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  padding: 100px 24px 40px;
  transform: translateX(100%);
  transition: transform .45s var(--ease);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav a { display: block; padding: 14px 0; font-size: 20px; border-bottom: 1px solid var(--border); font-family: "Unbounded", sans-serif; }
.mobile-nav .mobile-sub { padding-left: 16px; }
.mobile-nav .mobile-sub a { font-size: 15px; font-family: "Inter", sans-serif; color: var(--text-muted); padding: 10px 0; border: none; }
body.nav-open { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 190px 0 120px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  width: 900px; height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  top: -400px; right: -300px;
  filter: blur(20px);
  pointer-events: none;
  animation: float 18s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-60px, 60px); }
}
.hero__content { position: relative; z-index: 2; max-width: 880px; }
.hero__title {
  font-size: clamp(38px, 6vw, 72px);
  white-space: pre-line;
  margin: 18px 0 24px;
}
.hero__subtitle {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 0 40px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.page-hero {
  position: relative;
  padding: 160px 0 80px;
}
.page-hero .hero__title { font-size: clamp(32px, 5vw, 54px); }

.breadcrumbs {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-size: 13.5px;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.breadcrumbs a { color: var(--text-faint); transition: color .2s; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span.sep { opacity: .5; }
.breadcrumbs span.current { color: var(--text-muted); }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 680px; margin-bottom: 56px; }
.section__title { font-size: clamp(28px, 4vw, 42px); margin-top: 14px; }
.section__lead { color: var(--text-muted); font-size: 17px; margin-top: 16px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease); }

/* ---------- Split cards (Жильё / Коммерция) ---------- */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.split-card {
  position: relative;
  padding: 48px 36px;
  border-radius: var(--radius-l);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-alt));
  overflow: hidden;
  transition: border-color .35s, transform .35s var(--ease);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.split-card:hover { border-color: var(--accent); transform: translateY(-6px); }
.split-card__num {
  position: absolute; top: 32px; right: 36px;
  font-family: "Unbounded", sans-serif;
  font-size: 15px; color: var(--text-faint);
}
.split-card h3 { font-size: 30px; margin-bottom: 12px; }
.split-card p { color: var(--text-muted); margin: 0 0 22px; max-width: 40ch; }
.split-card__cta { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; color: var(--accent); }
.split-card__cta svg { transition: transform .3s var(--ease); }
.split-card:hover .split-card__cta svg { transform: translateX(6px); }

@media (max-width: 760px) { .split-grid { grid-template-columns: 1fr; } }

/* ---------- USP ---------- */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.usp-card {
  padding: 30px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s;
}
.usp-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.usp-card__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.usp-card h3 { font-size: 17px; margin-bottom: 8px; }
.usp-card p { color: var(--text-muted); font-size: 14.5px; margin: 0; }

@media (max-width: 980px) { .usp-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .usp-grid { grid-template-columns: 1fr; } }

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.team-card {
  padding: 30px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s;
}
.team-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.team-card__avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, var(--accent-soft), var(--surface-2));
  border: 1px solid rgba(10,186,181,.35);
  color: var(--accent);
  font-family: "Unbounded", sans-serif;
  font-size: 15px;
  margin-bottom: 18px;
}
.team-card h3 { font-size: 16.5px; margin-bottom: 4px; }
.team-card__role {
  display: block;
  font-size: 12.5px; font-weight: 600; color: var(--accent);
  margin-bottom: 12px;
}
.team-card p { color: var(--text-muted); font-size: 14px; margin: 0; }
.team-note {
  margin: 28px 0 0;
  font-size: 13px;
  color: var(--text-faint);
}

@media (max-width: 980px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .team-grid { grid-template-columns: 1fr; } }

/* ---------- Services grid (hub pages) ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  padding: 30px 26px 26px;
  border-radius: var(--radius-m);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
  display: flex; flex-direction: column; gap: 14px; min-height: 190px;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--accent); background: var(--surface-2); }
.service-card.is-flagship { background: linear-gradient(160deg, var(--accent-soft), var(--surface)); border-color: rgba(10,186,181,.35); }
.service-card__tag {
  position: absolute; top: 20px; right: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  padding: 4px 10px; border-radius: 999px;
}
.service-card h3 { font-size: 19px; margin-top: auto; }
.service-card p { color: var(--text-muted); font-size: 14px; margin: 0; }
.service-card__link { font-size: 14px; font-weight: 600; color: var(--accent); display: inline-flex; gap: 8px; align-items: center; }

@media (max-width: 980px) { .services-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- Process timeline ---------- */
.process-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 4px; counter-reset: step; }
.process-item {
  position: relative;
  padding: 28px 22px 22px;
  border-top: 2px solid var(--border);
  transition: border-color .3s;
}
.process-item:hover { border-top-color: var(--accent); }
.process-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: "Unbounded", sans-serif;
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.process-item h3 { font-size: 16.5px; margin-bottom: 8px; }
.process-item p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* ---------- Content page layout (service pages) ---------- */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}
.content-main h2 { font-size: 26px; margin: 0 0 18px; }
.content-main .lede { font-size: 18px; color: var(--text-muted); margin-bottom: 18px; }
.content-block { margin-bottom: 64px; }
.check-list { display: grid; gap: 12px; }
.check-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px;
  background: var(--surface);
  border-radius: var(--radius-s);
  border: 1px solid var(--border);
  font-size: 15px;
}
.check-list li svg { flex: none; margin-top: 2px; color: var(--accent); }

.for-whom-list { display: grid; gap: 10px; }
.for-whom-list li {
  padding: 16px 18px;
  border-left: 2px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 15px;
  color: var(--text-muted);
}

/* Sidebar */
.sidebar { position: sticky; top: 110px; display: flex; flex-direction: column; gap: 20px; }
.price-card {
  padding: 28px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--border-strong);
  background: var(--surface);
}
.price-card__label { font-size: 13px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; }
.price-card__value { font-family: "Unbounded", sans-serif; font-size: 34px; margin: 10px 0 4px; }
.price-card__value span { font-size: 15px; color: var(--text-muted); font-family: "Inter", sans-serif; }
.price-card__note { font-size: 13.5px; color: var(--text-muted); margin: 12px 0 22px; }

.sidebar-card {
  padding: 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  font-size: 14px;
  color: var(--text-muted);
}
.sidebar-card h4 { color: var(--text); font-size: 15px; margin-bottom: 10px; }
.sidebar-card a { color: var(--accent); font-weight: 600; }

@media (max-width: 980px) {
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .sidebar > * { flex: 1 1 260px; }
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; max-width: 820px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-m); background: var(--surface); overflow: hidden; }
.faq-item__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 24px;
  background: none; border: none; color: var(--text);
  font-size: 16px; font-weight: 600; text-align: left;
}
.faq-item__q .plus { flex: none; width: 22px; height: 22px; position: relative; }
.faq-item__q .plus::before, .faq-item__q .plus::after {
  content: ""; position: absolute; background: var(--accent); border-radius: 2px;
}
.faq-item__q .plus::before { width: 14px; height: 2px; top: 10px; left: 4px; }
.faq-item__q .plus::after { width: 2px; height: 14px; top: 4px; left: 10px; transition: transform .3s var(--ease); }
.faq-item.is-open .plus::after { transform: rotate(90deg); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}
.faq-item__a p { padding: 0 24px 22px; margin: 0; color: var(--text-muted); font-size: 14.5px; }

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  border-radius: var(--radius-l);
  padding: 64px 48px;
  background: linear-gradient(135deg, var(--accent) 0%, #0a7d79 100%);
  color: var(--accent-contrast);
  overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-banner h2 { font-size: clamp(24px, 3.4vw, 36px); max-width: 520px; }
.cta-banner p { margin: 10px 0 0; opacity: .85; max-width: 480px; }
.cta-banner .btn-primary { background: var(--accent-contrast); color: #fff; }
.cta-banner .btn-primary:hover { background: #123230; }

/* ---------- Forms ---------- */
.lead-form { display: grid; gap: 14px; }
.lead-form input, .lead-form select, .lead-form textarea {
  width: 100%;
  padding: 15px 18px;
  border-radius: var(--radius-s);
  border: 1px solid var(--border-strong);
  background: var(--bg-alt);
  color: var(--text);
  font: inherit;
}
.lead-form input:focus, .lead-form textarea:focus, .lead-form select:focus {
  outline: none; border-color: var(--accent);
}
.lead-form .fine-print { font-size: 12.5px; color: var(--text-faint); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 64px 0 32px; background: var(--bg-alt); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-grid h4 { font-size: 14px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.footer-grid a, .footer-grid p { font-size: 14.5px; color: var(--text-muted); display: block; margin-bottom: 10px; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-faint); }

@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Utility ---------- */
.text-center { text-align: center; margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0 !important; }
.tag-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .04em;
  color: var(--accent); background: var(--accent-soft);
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 16px;
}

/* Card grid for static pages (portfolio placeholder, values) */
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 700px) { .card-grid { grid-template-columns: 1fr; } }
.portfolio-card {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-m);
  padding: 26px;
  background: var(--surface);
}
.portfolio-card__ph {
  height: 180px;
  border-radius: var(--radius-s);
  background: repeating-linear-gradient(135deg, var(--surface-2), var(--surface-2) 10px, var(--bg-alt) 10px, var(--bg-alt) 20px);
  margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint); font-size: 13px;
}
.portfolio-card .cat { color: var(--accent); font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.portfolio-card h4 { margin: 10px 0 4px; font-size: 16px; }
.portfolio-card .meta { color: var(--text-faint); font-size: 13px; }

.note-box {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-m);
  padding: 22px 24px;
  font-size: 14.5px;
  color: var(--text-muted);
}
.note-box strong { color: var(--text); }

/* Responsive base */
@media (max-width: 760px) {
  .hero { padding: 150px 0 80px; }
  .section { padding: 72px 0; }
  .cta-banner { padding: 40px 28px; flex-direction: column; align-items: flex-start; }
  .content-grid { gap: 40px; }
}