/* ========================================
   Reusable Components
   Modern, minimal structure
   ======================================== */

/* ========================================
   Button
   ======================================== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border: none;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: opacity 0.2s ease;
  text-decoration: none;
  line-height: 1.5;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-white);
}

.btn--primary:hover {
  opacity: 0.85;
  color: var(--color-text-white);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-white);
}

.btn--large {
  padding: 16px 36px;
  font-size: 1rem;
}

/* ========================================
   Section Header
   ======================================== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header__subtitle {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-header__line {
  width: 40px;
  height: 2px;
  background-color: var(--color-accent);
  margin: 0 auto;
}

@media (max-width: 767px) {
  .section-header {
    margin-bottom: 32px;
  }

  .section-header__title {
    font-size: 1.625rem;
  }
}

/* ========================================
   Placeholder
   ======================================== */
.placeholder {
  background-color: var(--color-bg-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  color: var(--color-text-light);
  font-size: 0.75rem;
}

.placeholder--round {
  border-radius: 50%;
}

.placeholder__text {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ========================================
   Callout
   ======================================== */
.callout {
  border-left: 2px solid var(--color-accent);
  background-color: var(--color-bg-alt);
  padding: 24px;
}

.callout__title {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  font-size: 0.9375rem;
}

.callout__text {
  color: var(--color-text);
  margin: 0;
  line-height: 1.8;
  font-size: 0.875rem;
}

.callout__text strong {
  color: var(--color-accent);
}

/* ========================================
   Scroll Animations
   ======================================== */
.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s ease;
}

.slide-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.6s ease;
}

.slide-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.slide-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .slide-in-left,
  .slide-in-right,
  .slide-in-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========================================
   Active Navigation
   ======================================== */
.header__nav-link--active {
  color: var(--color-accent) !important;
}