/* Utility Classes */

/* Layout */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--section-gap);
}

.wrap {
  width: 100%;
  padding: var(--section-gap);
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

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

@media (max-width: 1200px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

.flex {
  display: flex;
  gap: 12px;
}

.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;
}

/* Text Utilities */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--muted);
}

.text-small {
  font-size: var(--small-size);
}

.text-body {
  font-size: var(--body-size);
}

.fw-600 {
  font-weight: 600;
}

.fw-500 {
  font-weight: 500;
}

/* Spacing */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--card-padding);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(13, 148, 136, 0.18);
}

@media (prefers-color-scheme: dark) {
  .card:hover {
    box-shadow: 0 16px 40px rgba(13, 148, 136, 0.25);
  }
}

.card-featured {
  border: 2px solid var(--brand);
  position: relative;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.02) 0%, rgba(94, 234, 212, 0.02) 100%);
}

@media (prefers-color-scheme: dark) {
  .card-featured {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1) 0%, rgba(94, 234, 212, 0.05) 100%);
  }
}

.card-featured::before {
  content: "⭐ Popular";
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  color: white;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-base);
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 700px) {
  .btn {
    font-size: 15px;
    padding: 14px 28px;
    min-height: 48px;
  }
}

.btn-primary {
  background: var(--brand);
  color: white;
  box-shadow: 0 8px 18px rgba(13, 148, 136, 0.25);
}

.btn-primary:hover {
  background: var(--brand-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(13, 148, 136, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--brand);
  border: 2px solid var(--brand);
}

.btn-secondary:hover {
  background: var(--brand);
  color: white;
}

@media (prefers-color-scheme: dark) {
  .btn-secondary {
    background: var(--card);
    color: var(--brand);
    border: 2px solid var(--brand);
  }

  .btn-secondary:hover {
    background: var(--brand);
    color: white;
  }
}

.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
}

/* Pill/Badge */
.pill {
  background: #eafaf5;
  color: #129a79;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--small-size);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

@media (prefers-color-scheme: dark) {
  .pill {
    background: rgba(13, 148, 136, 0.2);
    color: #5eead4;
  }
}

/* Visibility */
.hidden {
  display: none;
}

@media (max-width: 700px) {
  .hide-mobile {
    display: none;
  }
}