/* ============================================================
   KACTUS LAB — Header & Footer (header-footer.css)
   ============================================================ */

/* ── HEADER ── */
.b2-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--kl-border);
  transition: border-color var(--kl-dur-base);
}
.b2-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 32px;
  height: 72px;
  max-width: var(--kl-container-wide);
  margin: 0 auto;
}

/* Wordmark */
.b2-logo {
  font-family: var(--kl-font-heading);
  font-weight: 900;
  font-size: 28px;
  letter-spacing: -0.04em;
  text-transform: lowercase;
  cursor: pointer;
  text-decoration: none;
  color: var(--kl-black);
}
.b2-logo .lab { color: var(--kl-green); }

/* Nav */
.b2-nav {
  display: flex;
  gap: 4px;
  justify-content: center;
  list-style: none;
}
.b2-nav a,
.b2-nav button {
  background: none;
  border: 0;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--kl-fg);
  text-decoration: none;
  position: relative;
  transition: color var(--kl-dur-fast);
  display: inline-flex;
  align-items: center;
}
.b2-nav a:hover,
.b2-nav button:hover { color: var(--kl-green-700); }
.b2-nav .current-menu-item > a,
.b2-nav a.active {
  color: var(--kl-green-700);
}
.b2-nav .current-menu-item > a::after,
.b2-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: var(--kl-green);
}
.b2-nav__new {
  background: var(--kl-green);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 9999px;
  margin-left: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* Right side */
.b2-header__right {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  align-items: center;
}
.b2-phone {
  font-family: var(--kl-font-mono);
  font-size: 12px;
  color: var(--kl-fg-muted);
  text-decoration: none;
}
.b2-cta {
  background: var(--kl-green);
  color: #fff;
  border: 0;
  height: 42px;
  padding: 0 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--kl-dur-base), box-shadow var(--kl-dur-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.b2-cta:hover { background: var(--kl-green-600); box-shadow: 0 6px 20px rgba(7,170,7,0.28); }

/* Mobile burger */
.b2-burger {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--kl-ink);
}

/* ── FOOTER ── */
.b2-footer { background: #000; color: #fff; padding: 0; }

/* Big CTA band */
.b2-footer__big { padding: 72px 0; }
.b2-footer__big-inner { max-width: var(--kl-container); margin: 0 auto; padding: 0 32px; }
.b2-footer__big-eyebrow {
  font-family: var(--kl-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.b2-footer__big h2 {
  font-family: var(--kl-font-display);
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1;
  text-transform: uppercase;
  margin: 0 0 32px;
  letter-spacing: 0.005em;
}
.b2-footer__big h2 .accent { color: var(--kl-green); }
.b2-footer__big-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Columns */
.b2-footer__cols {
  max-width: var(--kl-container);
  margin: 0 auto;
  padding: 56px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.b2-footer__logo {
  font-family: var(--kl-font-heading);
  font-weight: 900;
  font-size: 36px;
  letter-spacing: -0.04em;
  text-transform: lowercase;
  display: block;
  text-decoration: none;
  color: #fff;
}
.b2-footer__logo .lab { color: var(--kl-green); }
.b2-footer__sub {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  line-height: 1.6;
  margin: 16px 0 0;
  max-width: 320px;
}
.b2-footer__col h4 {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kl-green);
  margin: 0 0 16px;
  font-family: var(--kl-font-heading);
  font-weight: 700;
}
.b2-footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.b2-footer__col li a {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--kl-dur-fast);
  display: block;
}
.b2-footer__col li a:hover { color: var(--kl-green); }

/* Legal bar */
.b2-footer__bar {
  max-width: var(--kl-container);
  margin: 0 auto;
  padding: 16px 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  font-family: var(--kl-font-mono);
  letter-spacing: 0.04em;
}
.b2-footer__bar a { color: rgba(255,255,255,0.55); text-decoration: none; transition: color var(--kl-dur-fast); }
.b2-footer__bar a:hover { color: var(--kl-green); }

/* ── MOBILE MENU DRAWER ── */
.b2-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 100%;
  background: #fff;
  z-index: 200;
  transform: translateX(100%);
  transition: transform var(--kl-dur-slow) var(--kl-ease-out);
  display: flex;
  flex-direction: column;
}
.b2-drawer.is-open { transform: translateX(0); }
.b2-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 72px;
  border-bottom: 1px solid var(--kl-border);
}
.b2-drawer__close {
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--kl-ink);
}
.b2-drawer__links {
  flex: 1;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}
.b2-drawer__links a {
  font-family: var(--kl-font-display);
  font-size: 36px;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--kl-ink);
  text-decoration: none;
  letter-spacing: 0.005em;
  padding: 8px 0;
  border-bottom: 1px solid var(--kl-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--kl-dur-fast);
}
.b2-drawer__links a:hover { color: var(--kl-green); }
.b2-drawer__cta {
  padding: 24px;
  border-top: 1px solid var(--kl-border);
}
.b2-drawer__cta .b2-btn { width: 100%; justify-content: center; }

/* ── RESPONSIVE HEADER ── */
@media (max-width: 1080px) {
  .b2-nav { display: none; }
  .b2-phone { display: none; }
  .b2-burger { display: flex; }
}
@media (max-width: 720px) {
  .b2-header__inner { padding: 0 var(--kl-gutter); }
  .b2-footer__big h2 { font-size: clamp(36px, 12vw, 80px); }
  .b2-footer__cols { grid-template-columns: 1fr 1fr; gap: 32px; }
  .b2-footer__big-inner { padding: 0 var(--kl-gutter); }
  .b2-footer__bar { padding: 16px var(--kl-gutter); flex-direction: column; gap: 8px; }
}
@media (max-width: 480px) {
  .b2-footer__cols { grid-template-columns: 1fr; }
}