/* Theatre Collage — header, nav, footer, WhatsApp float */

.tc-no-scroll { overflow: hidden; }

/* ---------- Header ---------- */
.tc-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(23, 17, 27, .55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--tc-ease), border-color .3s var(--tc-ease);
}
.tc-header.is-scrolled {
  background: rgba(23, 17, 27, .92);
  border-bottom-color: var(--tc-line);
}
.tc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}

/* Logo */
.tc-logo { display: inline-flex; align-items: center; gap: .7rem; color: var(--tc-ivory); }
.tc-logo:hover { color: var(--tc-ivory); }
.tc-logo__mark { height: 44px; width: auto; }
.tc-logo__wordmark { height: 40px; width: auto; }
/* Stacked lockup (footer) */
.tc-logo--stack { display: inline-block; }
.tc-logo--stack img { height: 118px; width: auto; }

/* Nav */
.tc-nav { display: flex; align-items: center; gap: 1.6rem; }
.tc-nav > a {
  color: var(--tc-ivory);
  font-weight: 500;
  font-size: .95rem;
  letter-spacing: .02em;
  position: relative;
  padding: .35rem 0;
}
.tc-nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--tc-brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--tc-ease);
}
.tc-nav > a:not(.btn):hover { color: var(--tc-brass-hi); }
.tc-nav > a:not(.btn):hover::after { transform: scaleX(1); }
.tc-nav__cta { margin-left: .4rem; padding: .6rem 1.2rem; }
.tc-nav__cta:hover { color: var(--tc-bg); }

/* Hamburger */
.tc-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--tc-line);
  border-radius: 10px;
  cursor: pointer;
}
.tc-nav-toggle span {
  width: 22px; height: 2px;
  background: var(--tc-ivory);
  transition: transform .25s var(--tc-ease), opacity .2s var(--tc-ease);
}

/* ---------- Mobile nav ---------- */
@media (max-width: 900px) {
  .tc-nav-toggle { display: inline-flex; }
  .tc-nav {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--tc-bg-2);
    border-bottom: 1px solid var(--tc-line);
    padding: 1rem var(--tc-gutter) 2rem;
    transform: translateY(-120%);
    transition: transform .35s var(--tc-ease);
    max-height: calc(100dvh - 76px);
    overflow-y: auto;
  }
  .tc-nav.is-open { transform: translateY(0); }
  .tc-nav > a { padding: .95rem 0; border-bottom: 1px solid var(--tc-line); font-size: 1.05rem; }
  .tc-nav__cta { margin: 1rem 0 0; text-align: center; padding: .85rem 1.2rem; }
}

/* ---------- WhatsApp float ---------- */
.tc-whatsapp {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 60;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #25D366;
  color: #06331b;
  box-shadow: var(--tc-shadow-sm);
  transition: transform .2s var(--tc-ease);
}
.tc-whatsapp:hover { transform: scale(1.06); color: #06331b; }

/* ---------- Footer ---------- */
.tc-footer { background: var(--tc-bg-2); border-top: 2px solid var(--tc-brass); margin-top: var(--tc-section-y); }
.tc-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.tc-footer__brand p { margin-top: 1rem; max-width: 34ch; }
.tc-footer__col h4 {
  font-family: var(--tc-font-body);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .8rem;
  color: var(--tc-brass);
  margin: 0 0 1rem;
}
.tc-footer__col a { display: block; color: var(--tc-ivory); padding: .3rem 0; font-size: .95rem; }
.tc-footer__col a:hover { color: var(--tc-brass-hi); }
.tc-footer__col p { color: var(--tc-muted); }
.tc-social { display: flex; gap: 1rem; margin-top: 1rem; }
.tc-social a { color: var(--tc-brass); font-size: .85rem; letter-spacing: .04em; }

.tc-footer__bar { border-top: 1px solid var(--tc-line); }
.tc-footer__bar .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1.25rem;
  font-size: .85rem;
}

@media (max-width: 780px) {
  .tc-footer__grid { grid-template-columns: 1fr; }
}