/* БМК — КАПІТАЛ | layout.css
   Хедер і футер (спільні для всіх сторінок).
*/

/* ══════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--transition), box-shadow var(--transition),
              transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.35s ease;
}

/* Ховаємо хедер при скролі вниз (тільки моб/планшет) */
@media (max-width: 1024px) {
  .header--hidden {
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
  }
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  transition: height var(--transition);
}

.header.scrolled .header__inner {
  height: 58px;
}

.header.scrolled {
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}

/* Logo */
.logo {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-transform: uppercase;
  white-space: nowrap;
}
.logo span {
  color: var(--color-text-muted);
  font-weight: 400;
}
.logo--img {
  display: flex;
  align-items: center;
  font-size: 0;
  letter-spacing: 0;
}
.logo__img {
  display: block;
  height: 80px;
  width: auto;
  object-fit: contain;
  transition: opacity 0.2s ease;
}
.logo--img:hover .logo__img {
  opacity: 0.85;
}
.logo__img--footer {
  height: 70px;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  padding: 8px 10px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-accent);
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  padding: 16px 0 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transition-delay: 300ms;
  transform: translateX(-50%) translateY(-8px);
}

/* Wide 2-column dropdown for services */
.nav__dropdown--wide {
  min-width: 560px;
  display: flex;
  gap: 0;
  padding: 16px 0 12px;
}

.nav__dropdown-col {
  flex: 1;
  padding: 0 4px;
}

.nav__dropdown-col--sep {
  border-left: 1px solid var(--color-border);
}

.nav__dropdown-category {
  padding: 4px 20px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0.85;
}

/* Invisible bridge that fills the gap between nav link and dropdown */
.nav__dropdown::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}

.nav__item:hover .nav__dropdown,
.nav__item.open .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
  transition-delay: 0ms;
}

.nav__dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
  border-left: 2px solid transparent;
}
.nav--ready .nav__dropdown-link:hover {
  color: var(--color-accent);
  background: rgba(201,168,76,0.05);
  border-left-color: var(--color-accent);
}

.nav__caret {
  display: inline-block;
  margin-left: 4px;
  font-size: 10px;
  transition: transform var(--transition);
}
.nav__item:hover .nav__caret {
  transform: rotate(180deg);
}

/* CTA button in header */
.header__cta {
  margin-left: 16px;
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  padding: 4px;
}
.burger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 0.35s ease;
  transform-origin: center;
}
.burger.active .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger.active .burger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.burger.active .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Nav Overlay (backdrop) ── */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(0,0,0,0);
  backdrop-filter: blur(0px);
  transition: background 0.35s ease, backdrop-filter 0.35s ease;
}
.mobile-nav-overlay.open {
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
}

/* ── Mobile Nav Drawer ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1200;
  width: min(340px, 85vw);
  background: #0d0d0d;
  border-left: 1px solid rgba(201,168,76,0.15);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  box-shadow: -12px 0 48px rgba(0,0,0,0.6);
}
.mobile-nav.open {
  transform: translateX(0);
}

/* ── Drawer inner scroll container ── */
.mobile-nav__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding: 0 0 32px;
  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: rgba(201,168,76,0.2) transparent;
}

/* ── Drawer header row ── */
.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 76px;
  border-bottom: 1px solid rgba(201,168,76,0.1);
  flex-shrink: 0;
}
.mobile-nav__brand {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-transform: uppercase;
}
.mobile-nav__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201,168,76,0.06);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 4px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.mobile-nav__close:hover {
  color: var(--color-accent);
  border-color: rgba(201,168,76,0.4);
  background: rgba(201,168,76,0.1);
}

/* ── Nav links ── */
.mobile-nav__link {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(201,168,76,0.06);
  transition: color 0.2s, padding-left 0.2s;
  position: relative;
}
.mobile-nav__link::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-accent);
  transform: scaleY(0);
  transition: transform 0.2s ease;
}
.mobile-nav__link:hover {
  color: var(--color-accent);
  padding-left: 30px;
}
.mobile-nav__link:hover::before {
  transform: scaleY(1);
}
.mobile-nav__link--sub {
  font-size: 11px;
  font-weight: 600;
  padding: 11px 24px 11px 44px;
  letter-spacing: 0.08em;
  color: rgba(138,130,120,0.8);
  border-bottom-color: rgba(201,168,76,0.04);
}
.mobile-nav__link--sub:hover {
  padding-left: 52px;
  color: var(--color-accent);
}

/* ── Accordion ── */
.mobile-nav__accordion {
  border-bottom: 1px solid rgba(201,168,76,0.06);
}
.mobile-nav__acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 24px;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(201,168,76,0.06);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s;
}
.mobile-nav__acc-trigger:hover,
.mobile-nav__acc-trigger.open {
  color: var(--color-accent);
}
.mobile-nav__acc-sub-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 24px 11px 32px;
  background: rgba(201,168,76,0.02);
  border: none;
  border-top: 1px solid rgba(201,168,76,0.06);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0.7;
  transition: opacity 0.2s;
}
.mobile-nav__acc-sub-trigger:hover,
.mobile-nav__acc-sub-trigger.open {
  opacity: 1;
}
.mobile-nav__acc-arrow {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  stroke: currentColor;
}
.mobile-nav__acc-trigger.open .mobile-nav__acc-arrow,
.mobile-nav__acc-sub-trigger.open .mobile-nav__acc-arrow {
  transform: rotate(180deg);
}
.mobile-nav__acc-body,
.mobile-nav__acc-sub-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.mobile-nav__acc-body.open { max-height: 800px; }
.mobile-nav__acc-sub-body.open { max-height: 600px; }

/* ── CTA at bottom ── */
.mobile-nav__cta {
  padding: 28px 24px 8px;
  margin-top: auto;
}

/* Body lock when nav open */
body.nav-open {
  overflow: hidden;
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding: 72px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.footer__brand .logo {
  font-size: 18px;
  margin-bottom: 16px;
  display: block;
}
.footer__brand .logo--img {
  font-size: 0;
  display: inline-flex;
}
.footer__desc {
  font-size: 18px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 280px;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.footer__nav-link {
  display: block;
  font-size: 18px;
  color: var(--color-text-muted);
  padding: 5px 0;
  transition: color var(--transition);
}
.footer__nav-link:hover {
  color: var(--color-text);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.footer__contact-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  margin-top: 2px;
}
.footer__contact-text {
  font-size: 18px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copy {
  font-size: 18px;
  color: var(--color-text-muted);
}