/* main.css - Enhanced with Unified Animation System */

/* Import core styles */
@import '/src/styles/variables.css';
@import '/src/styles/animation-framework.css';
@import '/src/components/section/_section.css';

/* =================
   GLOBAL BASE STYLES WITH ANIMATION SUPPORT
   ================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height, 80px);
}

body {
    font-family: var(--typography-font-body-family);
    font-size: var(--typography-font-body-size);
    font-weight: var(--typography-font-body-weight);
    color: var(--color-text-primary);
    line-height: var(--typography-font-body-line-height);
    letter-spacing: var(--typography-font-body-letter-spacing);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--color-background-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    /* Enhanced with animation support */
    overflow-x: hidden;
    position: relative;
}

/* =================
   ENHANCED TYPOGRAPHY WITH ANIMATION CLASSES
   ================= */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--typography-font-headings-family);
    color: var(--color-headings);
    margin-bottom: var(--spacing-md);
    line-height: var(--typography-font-headings-line-height);
    letter-spacing: var(--typography-font-headings-letter-spacing);
    text-transform: var(--typography-font-headings-text-transform);
    font-weight: var(--typography-font-headings-weight);

    /* Default animation ready state */
    position: relative;
}

h1 {
    font-size: var(--typography-font-headings-size-h1);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: var(--typography-font-headings-size-h2);
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: var(--typography-font-headings-size-h3);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--typography-font-headings-size-h4);
    margin-bottom: var(--spacing-md);
}

h5 {
    font-size: var(--typography-font-headings-size-h5);
    margin-bottom: var(--spacing-sm);
}

h6 {
    font-size: var(--typography-font-headings-size-h6);
    margin-bottom: var(--spacing-sm);
}

/* Enhanced heading animations */
.heading-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 4px var(--color-black-alpha-soft));
}

.heading-with-line::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * var(--spacing-sm));
    left: 0;
    width: var(--spacing-4xl);
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-sm);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-slow) var(--ease-spring);
}

.heading-with-line.in-view::after {
    transform: scaleX(1);
    transition-delay: var(--duration-normal);
}

.heading-center::after {
    left: 50%;
    transform: translateX(-50%) scaleX(0);
}

.heading-center.in-view::after {
    transform: translateX(-50%) scaleX(1);
}

p {
    margin-bottom: var(--spacing-md);
    max-width: var(--about-us-content-max-width, 65ch);
    line-height: var(--typography-font-body-line-height);
}

.lead {
    font-size: var(--typography-font-lead-size);
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.small, small {
    font-size: var(--typography-font-small-size);
    color: var(--color-text-tertiary);
}

/* =================
   ENHANCED BUTTON SYSTEM WITH ANIMATIONS
   ================= */

.btn {
    padding: var(--button-padding-y) var(--button-padding-x);
    border-radius: var(--button-border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--button-transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;

    /* Animation enhancements */
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

/* Button hover animations */
.btn:hover {
    transform: translateY(calc(-1 * var(--translate-small))) scale(var(--scale-micro));
}

.btn:active {
    transform: translateY(0) scale(var(--scale-down-small));
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color);
}

/* Button ripple effect */
.btn.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--color-white-alpha-moderate);
    transform: translate(-50%, -50%);
    transition: width var(--duration-slow) var(--ease-out), height var(--duration-slow) var(--ease-out);
    pointer-events: none;
}

.btn.ripple:active::before {
    width: 300px;
    height: 300px;
}

/* Button shine effect */
.btn.shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-white-alpha-moderate), transparent);
    transition: left var(--duration-slower) var(--ease-out);
}

.btn.shine:hover::after {
    left: 100%;
}

/* Button variants with enhanced animations */
.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverted);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

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

.btn--secondary:hover {
    background: var(--color-background-primary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--ghost:hover {
    background: var(--color-primary);
    color: var(--color-text-inverted);
}

.btn--glass {
    background: var(--color-white-alpha-soft);
    backdrop-filter: blur(var(--blur-normal));
    border: 1px solid var(--color-white-alpha-medium);
    color: var(--color-text-primary);
}

.btn--glass:hover {
    background: var(--color-white-alpha-medium);
    border-color: var(--color-white-alpha-visible);
}

/* Button sizes */
.btn--sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn--md {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
}

.btn--lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn--xl {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-xl);
}

/* =================
   ENHANCED LINK SYSTEM
   ================= */

a {
    color: var(--color-links);
    text-decoration: none;
    transition: var(--duration-fast) var(--ease-out);
    cursor: pointer;
    position: relative;
}

a:hover {
    color: var(--color-links-hover);
}

a:focus {
    outline: var(--focus-ring);
    outline-offset: var(--focus-ring-offset);
}

/* Animated underline */
.link-animated {
    position: relative;
}

.link-animated::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--duration-normal) var(--ease-out);
}

.link-animated:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* =================
   ENHANCED FORM COMPONENTS
   ================= */

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
    border-radius: var(--form-element-border-radius);
    padding: var(--form-element-padding);
    background-color: var(--color-background-primary);
    transition: all var(--duration-normal) var(--ease-out);
    min-height: var(--form-element-height);
    box-sizing: border-box;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-visible);
    background-color: var(--color-background-light);
}

input:hover, textarea:hover, select:hover {
    border-color: var(--color-border-dark);
}

/* Floating label animation */
.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-label-floating {
    position: absolute;
    top: var(--form-element-padding);
    left: var(--form-element-padding);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: all var(--duration-normal) var(--ease-out);
    background: var(--color-background-primary);
    padding: 0 var(--spacing-xs);
}

.form-input:focus + .form-label-floating,
.form-input:not(:placeholder-shown) + .form-label-floating {
    top: -8px;
    left: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

/* =================
   ENHANCED MEDIA COMPONENTS
   ================= */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-responsive {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    transition: all var(--duration-normal) var(--ease-out);
}

.img-responsive img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--duration-slow) var(--ease-out);
    filter: brightness(1) contrast(1) saturate(1);
}

.img-responsive:hover img {
    transform: scale(var(--scale-normal));
    filter: brightness(1.1) contrast(1.1) saturate(1.2);
}

/* Image loading animation */
.img-loading {
    background: linear-gradient(
        90deg,
        var(--color-background-secondary) 25%,
        var(--color-background-tertiary) 50%,
        var(--color-background-secondary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer var(--duration-ultra-slow) var(--ease-linear) infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.video-responsive {
    position: relative;
    aspect-ratio: var(--about-us-media-aspect-ratio, 16/9);
    overflow: hidden;
    border-radius: var(--border-radius);
    background-color: var(--color-background-light);
    transition: all var(--duration-normal) var(--ease-out);
}

.video-responsive iframe, .video-responsive video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    transition: all var(--duration-normal) var(--ease-out);
}

.video-responsive:hover {
    transform: translateY(calc(-1 * var(--translate-small)));
    box-shadow: var(--shadow-lg);
}

/* =================
   ENHANCED SECTION COMPONENTS
   ================= */

section {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

/* Add default scroll animation to sections */
section:not(.no-animate) {
    opacity: 0;
    transform: translateY(var(--scroll-offset-normal));
    transition: all var(--duration-ultra-slow) var(--ease-smooth);
}

section:not(.no-animate).in-view {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: var(--typography-font-headings-size-h2);
    font-weight: var(--typography-font-headings-weight);
    color: var(--color-headings);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    position: relative;
}

.section-title.animated {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title.animated::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * var(--spacing-sm));
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: var(--spacing-4xl);
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-sm);
    transition: transform var(--duration-slow) var(--ease-spring);
}

.section-title.animated.in-view::after {
    transform: translateX(-50%) scaleX(1);
    transition-delay: var(--duration-normal);
}

.section-content {
    font-size: var(--typography-font-body-size);
    line-height: var(--typography-font-body-line-height);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: var(--about-us-content-max-width);
    margin: 0 auto var(--spacing-xl);
}

/* =================
   ENHANCED CARD SYSTEM
   ================= */

.card {
    background: var(--color-background-primary);
    border-radius: var(--card-border-radius);
    padding: var(--card-padding);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(calc(-1 * var(--translate-normal))) scale(var(--scale-micro));
    box-shadow: var(--card-shadow-hover);
    border-color: var(--color-primary);
}

.card:focus-within {
    box-shadow: var(--card-shadow-hover);
    border-color: var(--color-primary);
}

/* Glass card variant */
.card--glass {
    background: var(--color-white-alpha-soft);
    backdrop-filter: blur(var(--blur-normal));
    border: 1px solid var(--color-white-alpha-medium);
}

.card--glass:hover {
    background: var(--color-white-alpha-medium);
    border-color: var(--color-white-alpha-visible);
}

/* Gradient card variant */
.card--gradient {
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-alpha-medium);
}

.card--gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-normal) var(--ease-out);
}

.card--gradient:hover::before {
    transform: scaleX(1);
}

/* =================
   ENHANCED GRID SYSTEM
   ================= */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid--auto {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

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

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

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

/* Responsive grid adjustments */
@media (max-width: 1024px) {
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid--4,
    .grid--3,
    .grid--2 {
        grid-template-columns: 1fr;
    }
}

/* Stagger grid items by default */
.grid.stagger-container .grid-item {
    opacity: 0;
    transform: translateY(var(--scroll-offset-small));
    transition: all var(--duration-normal) var(--ease-smooth);
    transition-delay: calc(var(--stagger-index, 0) * var(--stagger-base));
}

.grid.stagger-container.in-view .grid-item {
    opacity: 1;
    transform: translateY(0);
}

/* =================
   ENHANCED CONTAINER SYSTEM
   ================= */

.container {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
}

.container--sm { max-width: var(--container-sm); }
.container--md { max-width: var(--container-md); }
.container--lg { max-width: var(--container-lg); }
.container--xl { max-width: var(--container-xl); }
.container--2xl { max-width: var(--container-2xl); }
.container--full { max-width: none; }

.container--narrow {
    max-width: 65ch;
    text-align: center;
}

/* =================
   ENHANCED LAYOUT UTILITIES
   ================= */

.flex {
    display: flex;
}

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

.flex-row {
    flex-direction: row;
}

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

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

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

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

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

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

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }

/* =================
   ENHANCED SPACING UTILITIES
   ================= */

/* Margin utilities */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.ml-xs { margin-left: var(--spacing-xs); }
.ml-sm { margin-left: var(--spacing-sm); }
.ml-md { margin-left: var(--spacing-md); }
.ml-lg { margin-left: var(--spacing-lg); }
.ml-xl { margin-left: var(--spacing-xl); }

.mr-xs { margin-right: var(--spacing-xs); }
.mr-sm { margin-right: var(--spacing-sm); }
.mr-md { margin-right: var(--spacing-md); }
.mr-lg { margin-right: var(--spacing-lg); }
.mr-xl { margin-right: var(--spacing-xl); }

/* Padding utilities */
.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }

.px-xs { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

.py-xs { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-2xl { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

/* =================
   ENHANCED TEXT UTILITIES
   ================= */

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-muted { color: var(--color-text-muted); }
.text-inverted { color: var(--color-text-inverted); }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-glow {
    text-shadow: 0 0 20px var(--color-primary-alpha-moderate);
}

/* =================
   ENHANCED BACKGROUND UTILITIES
   ================= */

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-white { background-color: var(--color-background-primary); }
.bg-light { background-color: var(--color-background-light); }
.bg-dark { background-color: var(--color-background-dark); }

.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-secondary { background: var(--gradient-secondary); }
.bg-gradient-accent { background: var(--gradient-accent); }
.bg-gradient-hero { background: var(--gradient-hero); }

.bg-glass {
    background: var(--color-white-alpha-soft);
    backdrop-filter: blur(var(--blur-normal));
}

.bg-blur {
    backdrop-filter: blur(var(--blur-medium));
}

/* =================
   ENHANCED BORDER UTILITIES
   ================= */

.border { border: 1px solid var(--color-border); }
.border-primary { border-color: var(--color-primary); }
.border-light { border-color: var(--color-border-light); }
.border-dark { border-color: var(--color-border-dark); }

.border-t { border-top: 1px solid var(--color-border); }
.border-b { border-bottom: 1px solid var(--color-border); }
.border-l { border-left: 1px solid var(--color-border); }
.border-r { border-right: 1px solid var(--color-border); }

.rounded-none { border-radius: var(--border-radius-none); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded { border-radius: var(--border-radius); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }
.rounded-2xl { border-radius: var(--border-radius-2xl); }
.rounded-full { border-radius: var(--border-radius-full); }

/* =================
   ENHANCED SHADOW UTILITIES
   ================= */

.shadow-none { box-shadow: none; }
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-inner { box-shadow: var(--shadow-inner); }
.shadow-glow { box-shadow: var(--shadow-glow); }

/* =================
   ENHANCED POSITION UTILITIES
   ================= */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

/* =================
   ENHANCED Z-INDEX UTILITIES
   ================= */

.z-0 { z-index: var(--z-base); }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-dropdown { z-index: var(--z-dropdown); }
.z-sticky { z-index: var(--z-sticky); }
.z-fixed { z-index: var(--z-fixed); }
.z-modal { z-index: var(--z-modal); }
.z-tooltip { z-index: var(--z-tooltip); }

/* =================
   ENHANCED OVERFLOW UTILITIES
   ================= */

.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* =================
   ENHANCED SIZING UTILITIES
   ================= */

.w-full { width: 100%; }
.w-auto { width: auto; }
.w-fit { width: fit-content; }
.w-screen { width: 100vw; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-fit { height: fit-content; }
.h-screen { height: 100vh; }
.h-0 { height: 0; }

.min-h-0 { min-height: 0; }
.min-h-full { min-height: 100%; }
.min-h-screen { min-height: 100vh; }

.max-w-xs { max-width: 320px; }
.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 768px; }
.max-w-lg { max-width: 1024px; }
.max-w-xl { max-width: 1200px; }
.max-w-2xl { max-width: 1440px; }
.max-w-none { max-width: none; }
.max-w-prose { max-width: 65ch; }

/* =================
   ENHANCED TRANSFORM UTILITIES
   ================= */

.transform { transform: var(--tw-transform); }
.transform-none { transform: none; }

.scale-0 { transform: scale(0); }
.scale-50 { transform: scale(0.5); }
.scale-75 { transform: scale(0.75); }
.scale-90 { transform: scale(0.9); }
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }
.scale-125 { transform: scale(1.25); }
.scale-150 { transform: scale(1.5); }

.rotate-0 { transform: rotate(0deg); }
.rotate-1 { transform: rotate(1deg); }
.rotate-2 { transform: rotate(2deg); }
.rotate-3 { transform: rotate(3deg); }
.rotate-6 { transform: rotate(6deg); }
.rotate-12 { transform: rotate(12deg); }
.rotate-45 { transform: rotate(45deg); }
.rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }

.translate-x-0 { transform: translateX(0); }
.translate-y-0 { transform: translateY(0); }
.-translate-y-1 { transform: translateY(-0.25rem); }
.-translate-y-2 { transform: translateY(-0.5rem); }
.-translate-y-4 { transform: translateY(-1rem); }

/* =================
   ENHANCED ANIMATION UTILITIES
   ================= */

.animate-none { animation: none; }
.animate-spin { animation: spin var(--duration-slowest) var(--ease-linear) infinite; }
.animate-ping { animation: ping var(--duration-slowest) var(--ease-in-out) infinite; }
.animate-pulse { animation: pulse var(--duration-glacial) var(--ease-in-out) infinite; }
.animate-bounce { animation: bounce var(--duration-slowest) var(--ease-in-out) infinite; }

/* Transition utilities */
.transition-none { transition: none; }
.transition-all { transition: all var(--duration-normal) var(--ease-out); }
.transition-colors { transition: background-color, border-color, color, fill, stroke var(--duration-fast) var(--ease-out); }
.transition-opacity { transition: opacity var(--duration-normal) var(--ease-out); }
.transition-shadow { transition: box-shadow var(--duration-normal) var(--ease-out); }
.transition-transform { transition: transform var(--duration-normal) var(--ease-out); }

.ease-linear { transition-timing-function: var(--ease-linear); }
.ease-in { transition-timing-function: var(--ease-in); }
.ease-out { transition-timing-function: var(--ease-out); }
.ease-in-out { transition-timing-function: var(--ease-in-out); }
.ease-spring { transition-timing-function: var(--ease-spring); }
.ease-bounce { transition-timing-function: var(--ease-bounce); }

/* =================
   RESPONSIVE UTILITIES
   ================= */

@media (min-width: 480px) {
    .sm\:block { display: block; }
    .sm\:flex { display: flex; }
    .sm\:grid { display: grid; }
    .sm\:hidden { display: none; }
    .sm\:text-left { text-align: left; }
    .sm\:text-center { text-align: center; }
    .sm\:text-right { text-align: right; }
}

@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:grid { display: grid; }
    .md\:hidden { display: none; }
    .md\:flex-row { flex-direction: row; }
    .md\:flex-col { flex-direction: column; }
    .md\:text-left { text-align: left; }
    .md\:text-center { text-align: center; }
    .md\:text-right { text-align: right; }
    .md\:text-2xl { font-size: var(--font-size-2xl); }
    .md\:text-3xl { font-size: var(--font-size-3xl); }
    .md\:text-4xl { font-size: var(--font-size-4xl); }
}

@media (min-width: 1024px) {
    .lg\:block { display: block; }
    .lg\:flex { display: flex; }
    .lg\:grid { display: grid; }
    .lg\:hidden { display: none; }
    .lg\:text-left { text-align: left; }
    .lg\:text-center { text-align: center; }
    .lg\:text-right { text-align: right; }
    .lg\:text-3xl { font-size: var(--font-size-3xl); }
    .lg\:text-4xl { font-size: var(--font-size-4xl); }
    .lg\:text-5xl { font-size: var(--font-size-5xl); }
}

/* =================
   ACCESSIBILITY ENHANCEMENTS
   ================= */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.focus\:not-sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

.focus-visible\:outline-none:focus-visible {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.focus-visible\:ring:focus-visible {
    box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color);
}

/* Skip links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: var(--color-text-inverted);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: top var(--duration-fast) var(--ease-out);
    z-index: var(--z-maximum);
}

.skip-link:focus {
    top: 6px;
}

/* =================
   PRINT STYLES
   ================= */

@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }

    abbr[title]::after {
        content: " (" attr(title) ")";
    }

    .no-print {
        display: none !important;
    }

    .print-break-before {
        page-break-before: always;
    }

    .print-break-after {
        page-break-after: always;
    }

    .print-break-inside-avoid {
        page-break-inside: avoid;
    }
}

/* =================
   DARK MODE ENHANCEMENTS
   ================= */

@media (prefers-color-scheme: dark) {
    .card {
        background: var(--color-background-secondary);
        border-color: var(--color-border-dark);
    }

    .card--glass {
        background: var(--color-black-alpha-soft);
        backdrop-filter: blur(var(--blur-normal));
        border: 1px solid var(--color-border-dark);
    }

    .img-loading {
        background: linear-gradient(
            90deg,
            var(--color-background-dark) 25%,
            var(--color-background-secondary) 50%,
            var(--color-background-dark) 75%
        );
    }
}

/* =================
   PERFORMANCE OPTIMIZATIONS
   ================= */

/* Contain paint for animated elements */
.scroll-animate,
.stagger-item,
.section-animate,
.card,
.btn {
    contain: layout style paint;
}

/* GPU acceleration hints */
.transform,
.transition-transform,
.animate-spin,
.animate-bounce,
.animate-pulse {
    will-change: transform;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

/* Font loading optimization */
.text-gradient,
.heading-gradient {
    font-display: swap;
}

/* =================
   DEBUGGING UTILITIES
   ================= */

.debug * {
    outline: 1px solid red !important;
}

.debug .container {
    outline: 2px solid blue !important;
}

.debug .grid {
    outline: 2px solid green !important;
}

.debug .flex {
    outline: 2px solid orange !important;
}