/* Layout and Grid System */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  width: 100%;
}

.container-fluid {
  max-width: 1700px;
  margin-inline: auto;
  padding-inline: var(--space-xl);
  width: 100%;
}

@media (max-width: 768px) {
  .container-fluid {
    padding-inline: var(--container-padding);
  }

  .container {
    padding-inline: 12px;
  }
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* Stacking utility for mobile */
@media (max-width: 640px) {
  .stack-mobile {
    flex-direction: column;
    align-items: stretch !important;
  }
  
  .stack-mobile .btn {
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}

/* Reverse order for grid items on mobile (e.g. text above images) */
@media (max-width: 768px) {
  .grid.grid-reverse-mobile {
    display: flex !important;
    flex-direction: column !important;
  }
  
  .grid.grid-reverse-mobile > *:first-child {
    order: 2 !important;
  }
  
  .grid.grid-reverse-mobile > *:last-child {
    order: 1 !important;
  }
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-md);
}

/* Breakpoints */

/* Tablet (576px and up) */
@media (min-width: 576px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Desktop (992px and up) */
@media (min-width: 992px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Block sections */
.content-block {
  margin-bottom: var(--space-3xl);
}

.section {
  padding-block: var(--space-lg);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-xl);
  }
}

@media (min-width: 992px) {
  .section {
    padding-block: var(--space-3xl);
  }
}

/* Scroll to Top Button for Mobile */
.scroll-to-top {
  position: fixed;
  right: 35px;
  bottom: 110px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(26, 79, 143, 0.85); /* var(--primary) with opacity */
  color: white;
  display: flex !important; /* Ensure flex is used when visible */
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  outline: none;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scroll-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 90px;
    right: 22px;
  }
}