/* ============================================
   CRYSTAL FACILITY SOLUTIONS - UTILITIES
   Buttons, Badges, Helper Classes, Containers
   ============================================ */

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

.container-lg {
    max-width: var(--container-max-width-lg);
}

.container-narrow {
    max-width: 800px;
}

/* ============================================
   SECTION BASE CLASSES
   ============================================ */
.section {
    padding-block: var(--spacing-24);
    padding-inline: var(--container-padding);
    position: relative;
}

.section-sm {
    padding-block: var(--spacing-16);
}

.section-lg {
    padding-block: var(--spacing-24);
}

/* ============================================
   GRID UTILITIES
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-6);
}

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

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

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

.grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-auto-lg {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* ============================================
   FLEX UTILITIES
   ============================================ */
.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: var(--spacing-4);
}

.gap-6 {
    gap: var(--spacing-6);
}

.gap-8 {
    gap: var(--spacing-8);
}

/* ============================================
   TEXT UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.gradient-text {
    background: linear-gradient(135deg, var(--cfs-green) 0%, var(--cfs-light-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   VISIBILITY UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

.visible {
    visibility: visible;
}

.invisible {
    visibility: hidden;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius-full);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    text-decoration: none;
    cursor: pointer;
    border: var(--border-width-2) solid transparent;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    min-height: var(--btn-height-md);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn:active {
    transform: var(--active-scale);
}

/* Primary Button */
.btn-primary {
    background: var(--cfs-green);
    color: var(--white);
    box-shadow: var(--shadow-green-md);
}

.btn-primary:hover {
    background: var(--cfs-dark-green);
    transform: var(--hover-translate);
    box-shadow: var(--shadow-green-lg);
}

/* Glass/Ghost Button */
.btn-glass {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--cfs-green);
    color: var(--cfs-green);
}

.btn-glass:hover {
    background: var(--cfs-green);
    color: var(--white);
    transform: var(--hover-translate);
}

/* Full Width Button */
.btn-full {
    width: 100%;
}

/* Small Button */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    min-height: var(--btn-height-sm);
}

/* Large Button */
.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
    min-height: var(--btn-height-lg);
}

/* Button Loading State */
.btn-loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.btn-loader::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Button Text/Loader Toggle */
.btn-text,
.btn-loader {
    transition: opacity var(--transition-fast);
}

.btn-loading .btn-text {
    opacity: 0;
    position: absolute;
}

.btn-loader {
    opacity: 0;
    position: absolute;
}

.btn-loading .btn-loader {
    opacity: 1;
    position: static;
}

/* ============================================
   BADGE
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--cfs-pale-green);
    border: var(--border-width-2) solid var(--cfs-green);
    border-radius: var(--border-radius-full);
    color: var(--cfs-dark-green);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
    animation: fadeInUp var(--duration-slow) var(--ease-out);
}

/* ============================================
   VISUAL BOX (Reusable gradient card)
   ============================================ */
.visual-box {
    background: var(--bg-gradient-visual);
    border-radius: var(--border-radius-2xl);
    padding: var(--spacing-12);
    text-align: center;
    color: var(--white);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-green-xl);
}

.visual-box i {
    font-size: 4rem;
    margin-bottom: var(--spacing-4);
    opacity: 0.9;
}

.visual-box h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 768px) {
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .visual-box {
        padding: var(--spacing-8);
        min-height: 250px;
    }

    .visual-box i {
        font-size: 3rem;
    }
}