.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.header.is-scrolled {
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}

.header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px 32px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand__tile {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--logo-bg);
  overflow: hidden;
  flex-shrink: 0;
}

.brand__tile svg {
  width: 100%;
  height: 100%;
  transform: translateX(-5%);
}

.brand__name {
  font: 700 17px/1.2 var(--font-display);
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  min-width: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.6vw, 22px);
  flex-wrap: nowrap;
}

.nav__links a {
  font: 500 14px/1 var(--font-body);
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.nav__links a:hover { color: var(--navy); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav__actions .btn {
  padding: 10px 18px;
  font-size: 14px;
}

.burger {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--navy);
  justify-self: end;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split--reverse .split__visual { order: -1; }

.split__text .eyebrow { margin-bottom: 12px; }
.split__text h2 { margin-bottom: 16px; }
.split__text .lead { margin-bottom: 24px; }

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--ink-soft);
}

.checklist svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--teal);
}

.footer {
  background: var(--deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
  font-size: 14px;
}

.footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.footer a:hover { color: var(--sky); }

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
  align-items: start;
}

.footer .brand { margin-bottom: 16px; }
.footer h4 { color: #fff; font-size: 14px; margin-bottom: 16px; }

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

@media (max-width: 1100px) {
  .nav__links a:nth-child(n+5) { display: none; }
}

@media (max-width: 1024px) {
  .nav { display: none; }

  .nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--canvas);
    padding: 20px 24px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-card);
  }

  .nav.is-open .nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav.is-open .nav__links a {
    display: block;
    font-size: 16px;
  }

  .nav.is-open .nav__actions {
    width: 100%;
    flex-direction: column;
  }

  .nav.is-open .nav__actions .btn { width: 100%; }

  .burger { display: block; }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__visual { order: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; }
}