/**
 * X4Design Custom Styles
 * Extracted from inline styles for better caching
 */

/* ── X4DESIGN DESIGN TOKENS 2026 ────────────────── */
:root {
  /* Palette */
  --void:          #080604;
  --surface:       #0f0e0d;
  --crimson:       #930746;
  --crimson-hover: #a8085a;
  --crimson-glow:  rgba(147,7,70,0.35);
  --platinum:      #B0B8C8;
  --cream:         #F0EFED;
  --cream-muted:   rgba(240,239,237,0.50);
  --cream-faint:   rgba(240,239,237,0.07);
  --border:        rgba(240,239,237,0.07);
  --border-plat:   rgba(176,184,200,0.22);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-ui:      'Syne', sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Legacy aliases (keep so old pages don't break) */
  --x4-black:   #000000;
  --x4-purple:  #930746;
  --text-1:     #F0EFED;
  --text-2:     rgba(240,239,237,0.50);
  --card:       #0f0e0d;
  --line:       rgba(240,239,237,0.07);
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Enhanced Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

p {
    line-height: 1.7;
    letter-spacing: -0.005em;
}

.font-display, .font-heading {
    font-family: 'Space Grotesk', sans-serif;
}

/* Color Utilities */
.text-x4-black { color: #000000 !important; }
.text-x4-black\/80 { color: rgba(0, 0, 0, 0.8) !important; }
.text-x4-black\/60 { color: rgba(0, 0, 0, 0.6) !important; }
.text-text-primary { color: #F5F5F5 !important; }
.text-text-primary\/90 { color: rgba(245, 245, 245, 0.9) !important; }
.text-text-primary\/80 { color: rgba(245, 245, 245, 0.8) !important; }
.text-x4-purple { color: #930746 !important; }
.bg-x4-black { background-color: #000000 !important; }
.bg-x4-purple { background-color: #930746 !important; }
.bg-x4-purple-hover { background-color: #A60A52 !important; }
.bg-card { background-color: #0B0B0B !important; }
.bg-line { background-color: #1A1A1A !important; }
.border-line { border-color: #1A1A1A !important; }
.border-x4-purple { border-color: #930746 !important; }

/* Tracking Utilities */
.tracking-\[0\.3em\] { letter-spacing: 0.3em !important; }
.tracking-\[0\.4em\] { letter-spacing: 0.4em !important; }
.tracking-\[0\.15em\] { letter-spacing: 0.15em !important; }
.tracking-\[0\.2em\] { letter-spacing: 0.2em !important; }
.tracking-\[-0\.04em\] { letter-spacing: -0.04em !important; }
.tracking-\[-0\.06em\] { letter-spacing: -0.06em !important; }
.leading-\[0\.9\] { line-height: 0.9 !important; }
.text-\[10rem\] { font-size: 10rem !important; }

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    width: 24px;
    height: 24px;
    border: 2px solid var(--x4-purple);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    mix-blend-mode: difference;
    box-shadow: 0 0 20px var(--purple-glow);
}

.custom-cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--x4-purple);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--x4-purple);
}

/* Animated Grid Background */
.animated-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    animation: gridMove 20s linear infinite;
    opacity: 0.14;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Glow Effects */
.glow-effect {
    position: relative;
}

.glow-effect::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: var(--purple-glow);
    border-radius: inherit;
    opacity: 0;
    filter: blur(15px);
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.glow-effect:hover::before {
    opacity: 1;
}

/* Shimmer Animation */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.shimmer-effect {
    background: linear-gradient(90deg, transparent, rgba(147, 7, 70, 0.4), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* Fade In Animation */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--card) 0%, var(--line) 50%, var(--card) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Lazy Image Loading */
.lazy-image-container {
    position: relative;
    overflow: hidden;
    background: var(--card);
}

.lazy-image-container img.loading {
    opacity: 0;
    transform: scale(1.1);
}

.lazy-image-container img.loaded {
    opacity: 1;
    transform: scale(1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--x4-black);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--x4-purple), var(--purple-hover));
    border-radius: 5px;
    border: 2px solid var(--x4-black);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--purple-hover), var(--x4-purple));
}

::selection {
    background: var(--x4-purple);
    color: var(--text-1);
}

/* Form Inputs */
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], input[type="date"], input[type="time"], input[type="password"], textarea, select {
    color: var(--text-1) !important;
    background-color: var(--card) !important;
    border-color: var(--line) !important;
    font-size: 16px !important;
}

input[type="text"]::placeholder, input[type="email"]::placeholder, textarea::placeholder {
    color: var(--text-2) !important;
    opacity: 0.7 !important;
}

input[type="text"]:focus, input[type="email"]:focus, textarea:focus, select:focus {
    color: var(--text-1) !important;
    border-color: var(--x4-purple) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(147, 7, 70, 0.2) !important;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .animated-grid { animation: none !important; }
}

/* V1.1 Design Enhancements */
.v1-1-tagline span {
    display: inline-block;
    transition: transform 0.3s ease;
}
.v1-1-tagline span:hover {
    transform: translateY(-2px);
}

.v1-1-headline {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.v1-1-headline-loaded {
    opacity: 1;
    transform: translateY(0);
}

.v1-1-subheadline {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.v1-1-ctas {
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced Buttons */
.v1-1-btn-primary {
    position: relative;
    overflow: visible;
}
.v1-1-btn-primary::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: linear-gradient(135deg, rgba(147, 7, 70, 0.4), rgba(166, 10, 82, 0.4));
    border-radius: inherit;
    opacity: 0;
    filter: blur(20px);
    transition: opacity 0.5s ease;
    z-index: -2;
}
.v1-1-btn-primary:hover::after {
    opacity: 1;
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.v1-1-btn-secondary {
    position: relative;
}
.v1-1-btn-secondary::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, rgba(147, 7, 70, 0.3), rgba(166, 10, 82, 0.3), rgba(147, 7, 70, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.v1-1-btn-secondary:hover::before {
    opacity: 1;
}

/* Scroll Indicator */
.v1-1-scroll-indicator {
    animation: fadeInUp 1s ease-out 1s both, float 3s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% {
        transform: translate(-50%, 0);
    }
    50% {
        transform: translate(-50%, 10px);
    }
}

/* Service Cards */
.v1-1-service-card {
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.v1-1-service-card:hover {
    background: rgba(11, 11, 11, 0.9);
}

/* Portfolio Cards */
.v1-1-portfolio-card {
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.v1-1-portfolio-card img {
    will-change: transform;
}

/* Smooth Scroll */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Focus States */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--x4-purple);
    outline-offset: 4px;
    border-radius: 4px;
}

/* Loading Skeleton */
.loading-skeleton {
    background: linear-gradient(
        90deg,
        var(--card) 0%,
        var(--line) 50%,
        var(--card) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* Hover Effects */
@media (hover: hover) {
    .v1-1-service-card:hover,
    .v1-1-portfolio-card:hover {
        filter: drop-shadow(0 10px 30px rgba(147, 7, 70, 0.3));
    }
}

/* Version Badge */
.v1-1-tagline [class*="v1.1"] {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .v1-1-headline {
        font-size: 3rem !important;
    }
    .v1-1-btn-primary,
    .v1-1-btn-secondary {
        width: 100%;
        justify-content: center;
    }
    .v1-1-service-card,
    .v1-1-portfolio-card {
        transform: none !important;
    }
}

/* Performance Optimizations */
.v1-1-headline,
.v1-1-service-card,
.v1-1-portfolio-card {
    will-change: transform, opacity;
}

/* Navigation Enhancements */
.v1-1-nav-link {
    position: relative;
}
.v1-1-nav-link:hover {
    color: var(--x4-purple) !important;
}
.v1-1-nav-cta {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.v1-1-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(147, 7, 70, 0.4);
}

/* Scroll Margin */
@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-margin-top: 80px;
    }
}

/* Premium Container */
.x4-container {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

@media (min-width: 640px) {
    .x4-container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 768px) {
    .x4-container {
        padding-left: 3rem;
        padding-right: 3rem;
    }
}

@media (min-width: 1024px) {
    .x4-container {
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

/* Premium Card */
.x4-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.x4-card:hover {
    border-color: rgba(147, 7, 70, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(147, 7, 70, 0.15);
    transform: translateY(-2px);
}

/* Button Styling */
.x4-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.x4-btn-primary {
    background: linear-gradient(135deg, var(--x4-purple), var(--purple-hover));
    background-color: var(--x4-purple);
    color: var(--text-1) !important;
    box-shadow: 0 4px 15px rgba(147, 7, 70, 0.3);
    border: 2px solid transparent;
}

.x4-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(147, 7, 70, 0.5);
    background: linear-gradient(135deg, var(--purple-hover), var(--x4-purple));
    background-color: var(--purple-hover);
    color: var(--text-1) !important;
}

.x4-btn-secondary {
    background: rgba(147, 7, 70, 0.08);
    color: var(--text-1) !important;
    border: 2px solid rgba(147, 7, 70, 0.6);
    text-decoration: none;
}

.x4-btn-secondary:hover {
    border-color: var(--x4-purple);
    background: rgba(147, 7, 70, 0.15);
    color: var(--text-1) !important;
}

/* Date Input Dark Theme */
.x4-date-input {
    color-scheme: dark;
}

/* Section Spacing */
.section-spacing {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

@media (min-width: 768px) {
    .section-spacing {
        padding-top: 6rem;
        padding-bottom: 6rem;
    }
}

@media (min-width: 1024px) {
    .section-spacing {
        padding-top: 8rem;
        padding-bottom: 8rem;
    }
}

/* Title Sizes */
.x4-title-xl {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

@media (min-width: 768px) {
    .x4-title-xl {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .x4-title-xl {
        font-size: 4.5rem;
    }
}

/* Logo Styling */
.logo-premium {
    filter: drop-shadow(0 2px 8px rgba(147, 7, 70, 0.15));
    transition: all 0.3s ease;
}

.logo-premium:hover {
    filter: drop-shadow(0 4px 16px rgba(147, 7, 70, 0.25));
    transform: scale(1.02);
}

/* =================================================================
   REUSABLE COMPONENT STYLES
   ================================================================= */

/* Form Components */
.form-input {
    width: 100%;
    padding: 1rem;
    background-color: var(--card);
    border: 2px solid var(--line);
    border-radius: 14px;
    color: var(--text-1);
    font-size: 16px;
    transition: all 150ms ease;
}

.form-input::placeholder {
    color: var(--text-2);
    opacity: 0.7;
}

.form-input:focus {
    border-color: var(--x4-purple);
    outline: none;
    box-shadow: 0 0 0 3px rgba(147, 7, 70, 0.2);
}

.form-input.error {
    border-color: #ef4444;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-1);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-error {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: #ef4444;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Badge Components */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
}

.badge-primary {
    background-color: rgba(147, 7, 70, 0.2);
    color: var(--x4-purple);
    border: 1px solid rgba(147, 7, 70, 0.3);
}

.badge-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-success {
    background-color: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
    background-color: rgba(234, 179, 8, 0.2);
    color: #facc15;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* =================================================================
   LOADING STATES
   ================================================================= */

/* Spinner */
.loading-spinner {
    display: inline-block;
    border-radius: 50%;
    border: 2px solid rgba(245, 245, 245, 0.2);
    border-top-color: var(--x4-purple);
    animation: spin 0.8s linear infinite;
}

.loading-spinner-sm {
    width: 16px;
    height: 16px;
}

.loading-spinner-md {
    width: 24px;
    height: 24px;
}

.loading-spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

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

.btn-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Page Loading Overlay */
.page-loading {
    position: fixed;
    inset: 0;
    background: var(--x4-black);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.page-loading.active {
    opacity: 1;
    pointer-events: auto;
}

/* Skeleton Loader */
.skeleton-loader {
    background: linear-gradient(90deg, var(--card) 0%, var(--line) 50%, var(--card) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-image {
    aspect-ratio: 16/9;
}

/* =================================================================
   PORTFOLIO VISUAL PATTERNS
   ================================================================= */

.portfolio-pattern-photo {
    background-image: radial-gradient(circle at 25% 25%, rgba(255,107,53,0.15) 2px, transparent 2px),
                      radial-gradient(circle at 75% 75%, rgba(255,107,53,0.08) 2px, transparent 2px);
    background-size: 30px 30px;
}

.portfolio-pattern-video {
    background-image: repeating-linear-gradient(
        -45deg,
        transparent, transparent 8px,
        rgba(79,110,247,0.08) 8px, rgba(79,110,247,0.08) 10px
    );
}

.portfolio-pattern-web {
    background-image: linear-gradient(rgba(0,212,170,0.06) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(0,212,170,0.06) 1px, transparent 1px);
    background-size: 20px 20px;
}

.portfolio-pattern-ai {
    background-image: radial-gradient(circle at 50% 0%, rgba(155,89,182,0.12) 0%, transparent 60%),
                      radial-gradient(circle at 100% 100%, rgba(155,89,182,0.08) 0%, transparent 50%);
}

.portfolio-pattern-brand {
    background-image: repeating-conic-gradient(rgba(233,30,140,0.05) 0deg, transparent 2deg, transparent 90deg, rgba(233,30,140,0.05) 92deg);
    background-size: 40px 40px;
}

.portfolio-pattern-social {
    background-image: radial-gradient(ellipse at top, rgba(224,64,251,0.15) 0%, transparent 60%),
                      radial-gradient(ellipse at bottom, rgba(224,64,251,0.06) 0%, transparent 60%);
}

.portfolio-pattern-default {
    background-image: radial-gradient(circle at 50% 50%, rgba(147,7,70,0.12) 0%, transparent 60%);
}

/* Portfolio shape floaters */
.portfolio-shape {
    animation: portfolioFloat 6s ease-in-out infinite;
}
.portfolio-shape:nth-child(2) { animation-delay: 1s; }
.portfolio-shape:nth-child(3) { animation-delay: 2s; }
.portfolio-shape:nth-child(4) { animation-delay: 3s; }
.portfolio-shape:nth-child(5) { animation-delay: 0.5s; }
.portfolio-shape:nth-child(6) { animation-delay: 1.5s; }

@keyframes portfolioFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* Page transition helper */
.page-transition-active {
    opacity: 0 !important;
    transition: opacity 0.3s ease !important;
}

/* =================================================================
   ACCESSIBILITY IMPROVEMENTS
   ================================================================= */

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--x4-purple);
    color: var(--text-1);
    padding: 1rem 2rem;
    z-index: 10000;
    transition: top 0.3s ease;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--x4-purple);
    outline-offset: 2px;
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .x4-card,
    .form-input {
        border-width: 2px;
    }

    .x4-btn-primary {
        border: 2px solid var(--text-1);
    }
}

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

/* Transition Durations */
.transition-fast { transition-duration: 150ms; }
.transition-normal { transition-duration: 300ms; }
.transition-slow { transition-duration: 500ms; }

/* Staggered Animation */
.stagger-fade-in > * {
    opacity: 0;
    transform: translateY(20px);
    animation: staggerFadeIn 0.5s ease forwards;
}

.stagger-fade-in > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-fade-in > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-fade-in > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-fade-in > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-fade-in > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-fade-in > *:nth-child(6) { animation-delay: 0.6s; }

@keyframes staggerFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse Glow */
@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.animate-pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

/* Section Headers */
.section-kicker {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--x4-purple);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text-1);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-2);
    font-weight: 300;
    max-width: 42rem;
    line-height: 1.6;
}

/* Card Variants */
.card-glass {
    background: rgba(11, 11, 11, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.card-interactive {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.card-interactive:hover {
    border-color: rgba(147, 7, 70, 0.5);
    box-shadow: var(--shadow-glow);
}

/* Image Loading */
.img-loading {
    position: relative;
    overflow: hidden;
}

.img-loading::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--card) 0%, var(--line) 50%, var(--card) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.img-loading img.loaded + .img-loading::before {
    display: none;
}