/* Prezzma - header, logo, footer */

/* ---------- Skip link ---------- */

.prz-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 20px;
  background: var(--prz-brand);
  color: var(--prz-paper);
  font-weight: 600;
}
.prz-skip:focus { left: 12px; top: 12px; }

/* ---------- Logo ---------- */

.prz-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.prz-logo-mark {
  width: 21px;
  height: 28px;
  flex: none;
}
.prz-logo-text {
  font-family: var(--prz-display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: .1em;
  line-height: 1;
  color: var(--prz-text);
}
.prz-logo-ink .prz-logo-text { color: var(--prz-ink-text); }

/* ---------- Header ---------- */

.prz-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 12, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--prz-ease), background .3s var(--prz-ease);
}
.prz-header.prz-stuck {
  border-bottom-color: var(--prz-line-dark);
  background: rgba(11, 11, 12, .94);
}

.prz-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.prz-brand { flex: none; }

.prz-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}
.prz-menu > a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--prz-text-mute);
  transition: color .2s var(--prz-ease);
}
.prz-menu > a:hover { color: var(--prz-text); }
.prz-menu-cta { display: none; }

.prz-nav-cta { flex: none; }

/* ---------- Burger ---------- */

.prz-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--prz-line-dark2);
  border-radius: var(--prz-r-sm);
  background: transparent;
  cursor: pointer;
}
.prz-burger span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin-inline: auto;
  background: var(--prz-text);
  transition: transform .28s var(--prz-ease), opacity .2s var(--prz-ease);
}
.prz-burger[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.prz-burger[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

@media (max-width: 900px) {
  .prz-nav { gap: 16px; }
  .prz-nav-cta { display: none; }
  .prz-burger { display: flex; margin-left: auto; }

  .prz-menu {
    /* The header carries a backdrop-filter, which makes it the containing
       block for fixed-position descendants - so this panel is sized off the
       header box, not the viewport, and needs an explicit height. */
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    height: calc(100vh - 72px);
    height: calc(100dvh - 72px);
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding: 16px 20px 40px;
    background: var(--prz-black);
    border-top: 1px solid var(--prz-line-dark);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s var(--prz-ease), transform .25s var(--prz-ease), visibility .25s;
  }
  .prz-menu.prz-open { opacity: 1; visibility: visible; transform: none; }
  .prz-menu > a {
    padding: 18px 4px;
    font-family: var(--prz-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--prz-text);
    border-bottom: 1px solid var(--prz-line-dark);
  }
  .prz-menu-cta {
    display: inline-flex;
    margin-top: 28px;
    border-bottom: 0;
    font-family: var(--prz-body) !important;
    font-size: .95rem !important;
    letter-spacing: 0 !important;
    color: var(--prz-paper) !important;
    padding: 15px 28px !important;
  }
}

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

.prz-footer {
  background: var(--prz-black);
  border-top: 1px solid var(--prz-line-dark);
  padding: 80px 0 0;
}
.prz-footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 64px;
}
.prz-footer-brand-col p {
  margin: 20px 0 20px;
  max-width: 34ch;
  font-size: .92rem;
}
.prz-footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 11px;
}
.prz-footer-links .prz-link { color: var(--prz-text-mute); }
.prz-footer-links .prz-link:hover { color: var(--prz-brand-lift); }

.prz-footer-col h2 {
  margin: 0 0 20px;
  font-family: var(--prz-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--prz-text-dim);
}
.prz-footer-col > a {
  display: block;
  margin-bottom: 11px;
  font-size: .92rem;
  color: var(--prz-text-mute);
  transition: color .2s var(--prz-ease);
}
.prz-footer-col > a:hover { color: var(--prz-brand-lift); }

.prz-legal-name {
  display: block;
  margin-bottom: 10px;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--prz-text);
}
.prz-address, .prz-contact-lines {
  margin: 0 0 12px;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--prz-text-mute);
}
.prz-contact-lines a { transition: color .2s var(--prz-ease); }
.prz-contact-lines a:hover { color: var(--prz-brand-lift); }

.prz-wa-tag {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  border: 1px solid var(--prz-line-dark2);
  border-radius: var(--prz-r-sm);
  font-family: var(--prz-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--prz-text-dim);
  vertical-align: 1px;
}

.prz-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  padding-block: 24px;
  border-top: 1px solid var(--prz-line-dark);
  font-size: .82rem;
  color: var(--prz-text-dim);
}

@media (max-width: 900px) {
  .prz-footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .prz-footer-brand-col { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .prz-footer { padding-top: 56px; }
  .prz-footer-grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 44px; }
}

/* Light-ground variants, used where a page section sits on paper. */
.prz-paper-bg .prz-legal-name { color: var(--prz-ink-text); }
.prz-paper-bg .prz-address,
.prz-paper-bg .prz-contact-lines { color: var(--prz-ink-mute); }
.prz-paper-bg .prz-wa-tag { border-color: var(--prz-line-light); color: var(--prz-ink-mute); }