/* ============================================================
   TCA WEBSITE — BASE & UTILITIES
   ============================================================ */

/* ---- Layout ---- */
.max-w {
  max-width: var(--max-width);
  margin: 0 auto;
}

section {
  padding: var(--section-pad);
}

/* ---- Section Labels & Titles ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--gold);
  flex-shrink: 0;
}

.section-label--light {
  color: var(--gold-light);
}

.section-label--light::before {
  background: var(--gold-light);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--navy-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title span {
  color: var(--gold-dark);
}

.section-title--light {
  color: var(--white);
}

.section-title--light span {
  color: var(--green-light);
}

.section-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 400;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: var(--navy-dark);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color var(--transition), color var(--transition);
}

.btn-outline:hover {
  border-color: var(--green-light);
  color: var(--green-light);
}

.section-link {
  color: var(--crimson);
  font-weight: 600;
  font-size: 0.92rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.section-link:hover {
  color: var(--crimson-dark);
  border-color: var(--crimson-dark);
}

/* ---- Scroll Fade Animation ---- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Mobile Menu ---- */
.mobile-nav {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(15, 61, 26, 0.98);
  padding: 1.5rem;
  z-index: 999;
  display: none;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav a {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* ---- Back to Top (all pages) ---- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--crimson);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-to-top svg { width: 22px; height: 22px; }
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--crimson-dark); }

@media (max-width: 900px) {
  .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}