/* ==========================================================================
   Layout: navbar, drawer, footer, final CTA, floating contact ball, page hero
   ========================================================================== */

/* ---------- Navbar ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur-mid), border-color var(--dur-mid), background-color var(--dur-mid);
}
.nav.is-stuck {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.nav--transparent {
  position: absolute;
  inset-inline: 0;
  background: transparent;
  color: #fff;
}
.nav--transparent.is-stuck {
  background: rgba(255, 255, 255, .94);
  color: var(--color-text);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  height: 72px;
}

.nav__brand { display: flex; align-items: center; gap: 10px; flex: none; }
.nav__logo {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -.03em;
}
.nav__name { font-weight: 700; font-size: 18px; color: var(--color-ink); letter-spacing: -.01em; }
.nav--transparent:not(.is-stuck) .nav__name { color: #fff; }

.nav__menu { display: flex; align-items: center; gap: var(--sp-6); }
.nav__link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding-block: 6px;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--dur-fast) var(--ease-out);
}
.nav__link:hover { color: var(--color-primary); }
.nav__link[aria-current="page"] { color: var(--color-primary); font-weight: 600; }
.nav__link[aria-current="page"]::after { width: 100%; }
.nav--transparent:not(.is-stuck) .nav__link { color: rgba(255, 255, 255, .88); }
.nav--transparent:not(.is-stuck) .nav__link:hover,
.nav--transparent:not(.is-stuck) .nav__link[aria-current="page"] { color: #fff; }
.nav--transparent:not(.is-stuck) .nav__link::after { background: #fff; }

.nav__actions { display: flex; align-items: center; gap: var(--sp-3); flex: none; }

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: #fff;
}
.lang-switch__btn {
  padding: 5px 12px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-sub);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.lang-switch__btn[aria-pressed="true"] { background: var(--color-primary); color: #fff; }
.lang-switch__btn:not([aria-pressed="true"]):hover { background: var(--color-bg-soft); }
.nav--transparent:not(.is-stuck) .lang-switch { border-color: rgba(255, 255, 255, .45); background: rgba(255, 255, 255, .1); }
.nav--transparent:not(.is-stuck) .lang-switch__btn { color: rgba(255, 255, 255, .85); }

.nav__burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  place-items: center;
  color: var(--color-ink);
}
.nav--transparent:not(.is-stuck) .nav__burger { color: #fff; }
.nav__burger span {
  display: block;
  width: 20px; height: 2px;
  background: currentColor;
  border-radius: 2px;
}
.nav__burger span + span { margin-top: 5px; }

@media (max-width: 1023px) {
  .nav__menu,
  .nav__actions .btn { display: none; }
  .nav__burger { display: grid; }
}

/* ---------- Mobile drawer ---------- */

.drawer {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: none;
  background: #fff;
  overflow-y: auto;
  padding: var(--sp-6) var(--gutter) var(--sp-12);
}
.drawer.is-open { display: block; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; height: 48px; }
.drawer__close { width: 40px; height: 40px; display: grid; place-items: center; font-size: 26px; color: var(--color-ink); }
.drawer__list { margin-top: var(--sp-6); display: grid; gap: 2px; }
.drawer__link {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
}
.drawer__link[aria-current="page"] { color: var(--color-primary); }
.drawer__cta { margin-top: var(--sp-8); display: grid; gap: var(--sp-3); }
.drawer__lang { margin-top: var(--sp-6); }

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  position: relative;
  padding-block: var(--sp-16) var(--sp-12);
  background: var(--gradient-soft);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -160px; top: -160px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 119, 242, .16), transparent 68%);
}
.page-hero__inner { position: relative; z-index: 1; max-width: 760px; }
.page-hero__title { margin-bottom: var(--sp-4); }
.page-hero__desc { font-size: 17px; color: var(--color-text-sub); }
.page-hero__actions { margin-top: var(--sp-8); }

/* ---------- Final CTA block ---------- */

.final-cta {
  position: relative;
  padding-block: var(--section-py);
  background: var(--gradient-hero);
  color: #fff;
  overflow: hidden;
}
.final-cta::before {
  content: "";
  position: absolute;
  left: -120px; bottom: -180px;
  width: 460px; height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 92, 255, .34), transparent 66%);
}
.final-cta__inner { position: relative; z-index: 1; text-align: center; max-width: 720px; margin-inline: auto; }
.final-cta__title { margin-bottom: var(--sp-4); }
.final-cta__desc { color: rgba(255, 255, 255, .8); font-size: 17px; margin-bottom: var(--sp-8); }
.final-cta__channels {
  margin-top: var(--sp-12);
  padding-top: var(--sp-8);
  border-top: 1px solid rgba(255, 255, 255, .18);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-4) var(--sp-8);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, .82);
}
.final-cta__channels a { color: #fff; font-weight: 600; }
.final-cta__channels a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */

.footer {
  padding-block: var(--sp-16) var(--sp-8);
  background: var(--color-bg-deep);
  color: rgba(255, 255, 255, .7);
  font-size: var(--fs-sm);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: var(--sp-8);
}
.footer__brand { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-4); }
.footer__brand-name { color: #fff; font-size: 18px; font-weight: 700; }
.footer__intro { max-width: 300px; line-height: 1.8; }
.footer__title {
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--sp-4);
  letter-spacing: .02em;
}
.footer__list { display: grid; gap: 10px; }
.footer__list a { color: rgba(255, 255, 255, .7); }
.footer__list a:hover { color: #fff; }

.footer__contact { margin-top: var(--sp-6); display: grid; gap: 8px; }
.footer__contact a { color: rgba(255, 255, 255, .82); }

.footer__bottom {
  margin-top: var(--sp-12);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, .55);
}
.footer__legal-links { display: flex; flex-wrap: wrap; gap: var(--sp-4); }
.footer__legal-links a { color: rgba(255, 255, 255, .68); }
.footer__legal-links a:hover { color: #fff; }

.footer__disclaimer {
  margin-top: var(--sp-6);
  padding: var(--sp-4) var(--sp-6);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: rgba(255, 255, 255, .55);
}

@media (max-width: 1023px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Floating contact ball (mobile) ---------- */

.float-contact { position: fixed; right: 18px; bottom: 22px; z-index: 110; display: none; }
.float-contact__toggle {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 22px rgba(24, 119, 242, .42);
}
.float-contact__toggle svg { width: 24px; height: 24px; }
.float-contact__menu {
  position: absolute;
  right: 0; bottom: 66px;
  display: grid;
  gap: var(--sp-2);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}
.float-contact.is-open .float-contact__menu { opacity: 1; transform: none; pointer-events: auto; }
.float-contact__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: #fff;
  box-shadow: var(--shadow-md);
  color: var(--color-ink);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
}
.float-contact__item svg { width: 18px; height: 18px; color: var(--color-primary); }

@media (max-width: 1023px) {
  .float-contact { display: block; }
}

/* ---------- Scroll progress ---------- */

.scroll-progress {
  position: fixed;
  left: 0; top: 0;
  height: 3px;
  width: 0;
  z-index: 150;
  background: var(--gradient-brand);
}