/* ============================================
   BEMULTIFLOW — Layout (Nav, Footer, Strip)
   ============================================ */

/* ── Nav ── */
#main-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 300;
  height: var(--nav-h);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--line);
  transition: background var(--t-base), box-shadow var(--t-base);
}
#main-nav.scrolled {
  background: rgba(255,255,255,.96);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--ink-2);
}
.nav-links a {
  transition: color var(--t-fast);
  font-weight: 400;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--blue-2); font-weight: 500; }

.nav-right { display: flex; gap: 10px; align-items: center; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--t-base);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 860px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-right .btn:first-child { display: none; }
}

/* ── Strip ── */
.strip {
  background: var(--sky-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.strip-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-xl);
  display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
}
.strip-stat {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--ink-2);
}
.strip-num {
  font-family: var(--serif);
  font-size: 28px; font-weight: 400;
  color: var(--navy); line-height: 1;
}

/* ── Footer ── */
#main-footer {
  background: var(--warm);
  border-top: 1px solid var(--line);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

.footer-brand p {
  font-size: 13.5px; color: var(--ink-2);
  margin-top: 14px; line-height: 1.6;
  max-width: 300px;
}
.footer-social {
  display: flex; gap: 12px; margin-top: 18px;
}
.footer-social a {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: var(--line);
  display: grid; place-items: center;
  color: var(--ink-2);
  transition: all var(--t-base);
}
.footer-social a:hover { background: var(--blue-2); color: #fff; }

.footer-col h5 {
  font-family: var(--mono);
  font-size: 10px; text-transform: uppercase;
  letter-spacing: .12em; color: var(--ink-3);
  margin-bottom: 16px; font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px; color: var(--ink-2);
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--blue-2); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: var(--ink-3);
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--ink-3); transition: color var(--t-fast); }
.footer-legal a:hover { color: var(--blue-2); }

/* ── CTA Section ── */
.cta-final {
  background: linear-gradient(140deg, var(--navy) 0%, var(--blue) 100%);
  color: #fff; padding: 110px 40px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 900px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,158,255,.1), transparent 60%);
  pointer-events: none;
}
.cta-final h2 { color: #fff; position: relative; z-index: 2; }
.cta-final h2 em { color: var(--cyan-l); }
.cta-final .cta-sub {
  font-size: 17px; color: rgba(255,255,255,.62);
  max-width: 540px; margin: 14px auto 36px;
  line-height: 1.65; position: relative; z-index: 2;
}
.cta-btns {
  display: flex; gap: 12px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 26px;
  position: relative; z-index: 2;
}
.cta-trust {
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px;
  color: rgba(255,255,255,.38);
  position: relative; z-index: 2;
}
.cta-trust span::before { content: '✓ '; color: var(--cyan-l); }