/**
 * Main Stylesheet for Lab IT Theme
 * Inspired by huly.io design
 *
 * @package Lab_IT
 */

/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
    /* Colors - Dark Theme */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #13131a;
    --color-bg-tertiary: #1a1a24;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b4b4c7;
    --color-text-tertiary: #7a7a8c;
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #8b5cf6;
    --color-accent-hover: #818cf8;
    --color-border: #252533;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* ========================================
   Layout & Container
   ======================================== */

.site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ========================================
   Header & Navigation
   ======================================== */

.site-header {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(19, 19, 26, 0.8);
    transition: all 0.3s ease;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-md);
}

.site-branding {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 80px;
    width: auto;
    max-width: 400px;
    transition: opacity var(--transition-base);
}

.site-logo:hover .logo-img {
    opacity: 0.8;
}

.site-title-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0;
    justify-content: center;
}

.site-title {
    font-size: 1.5rem;
    margin: 0;
}

.site-title a {
    color: var(--color-text-primary);
}

.site-description {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin: 0;
}

.main-navigation {
    display: flex;
    align-items: center;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: var(--spacing-xs);
    margin-left: var(--spacing-md);
}

.menu-toggle-icon {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    position: relative;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    left: 0;
}

.menu-toggle-icon::before {
    top: -8px;
}

.menu-toggle-icon::after {
    top: 8px;
}

.primary-menu {
    display: none;
    list-style: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md);
}

.primary-menu.active {
    display: flex;
}

.primary-menu li {
    margin-bottom: var(--spacing-sm);
}

.primary-menu a {
    color: var(--color-text-primary);
    padding: var(--spacing-xs) 0;
    display: block;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
    
    .primary-menu {
        display: flex;
        flex-direction: row;
        position: static;
        background: none;
        border: none;
        padding: 0;
    }
    
    .primary-menu li {
        margin-bottom: 0;
        margin-left: var(--spacing-lg);
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    min-height: 90vh;
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    --hero-mask-size: 400px;
    --hero-mask-x: 50%;
    --hero-mask-y: 50%;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 50%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-graphic {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* Animated Clouds/Fog */
.hero-clouds {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

.cloud {
    position: absolute;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 50%, transparent 70%);
    border-radius: 50%;
    opacity: 0.8;
    filter: blur(40px);
}

.cloud-1 {
    width: 800px;
    height: 400px;
    top: -100px;
    right: 10%;
    animation: float-cloud-1 20s ease-in-out infinite;
}

.cloud-2 {
    width: 600px;
    height: 300px;
    bottom: -50px;
    left: 15%;
    animation: float-cloud-2 25s ease-in-out infinite;
}

.cloud-3 {
    width: 700px;
    height: 350px;
    top: 30%;
    left: -150px;
    animation: float-cloud-3 18s ease-in-out infinite;
}

.cloud-4 {
    width: 500px;
    height: 250px;
    bottom: 20%;
    right: -100px;
    animation: float-cloud-4 22s ease-in-out infinite;
}

@keyframes float-cloud-1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(100px, -80px) scale(1.1);
        opacity: 1;
    }
}

@keyframes float-cloud-2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-80px, 100px) scale(1.15);
        opacity: 1;
    }
}

@keyframes float-cloud-3 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(120px, 60px) scale(1.2);
        opacity: 0.9;
    }
}

@keyframes float-cloud-4 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-60px, -90px) scale(1.1);
        opacity: 1;
    }
}

/* Code/Table Background */
.hero-code-background {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.12;
    mask-image: radial-gradient(var(--hero-mask-size) at var(--hero-mask-x) var(--hero-mask-y), rgba(255, 255, 255, 0.35) 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(var(--hero-mask-size) at var(--hero-mask-x) var(--hero-mask-y), rgba(255, 255, 255, 0.35) 0%, transparent 75%);
    transition: opacity 0.4s ease, mask-image 0.3s ease, -webkit-mask-image 0.3s ease;
    pointer-events: none;
}

.hero-code-background .code-snippet,
.hero-code-background .code-table,
.hero-code-background .code-grid,
.hero-code-background .code-form {
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.code-snippet {
    position: absolute;
    top: 20%;
    right: 15%;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    opacity: 0.6;
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.code-line {
    margin-bottom: 0.5rem;
    white-space: pre;
}

.code-keyword {
    color: var(--color-accent-primary);
}

.code-function {
    color: var(--color-accent-secondary);
}

.code-param {
    color: var(--color-text-secondary);
}

.code-var {
    color: var(--color-accent-hover);
}

.code-string {
    color: var(--color-success);
}

.code-table {
    position: absolute;
    bottom: 25%;
    left: 10%;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    opacity: 0.6;
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.code-table table {
    border-collapse: collapse;
    color: var(--color-text-secondary);
}

.code-table td {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(99, 102, 241, 0.1);
    background: rgba(99, 102, 241, 0.02);
}

.code-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    grid-template-columns: repeat(3, 80px);
    grid-template-rows: repeat(2, 80px);
    gap: 10px;
    opacity: 0.5;
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.grid-item {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: 4px;
}

.code-form {
    position: absolute;
    bottom: 25%;
    left: 5%;
    width: 280px;
    opacity: 0.6;
    transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.web-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: rgba(26, 26, 36, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 6px;
}

.form-input,
.form-textarea {
    background: rgba(19, 19, 26, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 4px;
    padding: 8px;
    color: var(--color-text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
}

.form-textarea {
    min-height: 60px;
    resize: none;
}

.form-button {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    border: none;
    border-radius: 4px;
    padding: 8px;
    color: var(--color-text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.form-button:hover {
    transform: scale(1.05);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 60%, #b4b4c7 80%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    line-height: 0.85;
    display: flex;
    flex-wrap: wrap;
    gap: 0.15em;
    row-gap: 0.2em;
    animation: gradient-shift 8s ease infinite;
    letter-spacing: -0.05em;
    max-width: 100%;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-title-animated {
    perspective: 1000px;
}

.hero-word {
    display: inline-block;
    position: relative;
    margin: 0;
    padding: 0;
}

.hero-char {
    display: inline-block !important;
    position: relative;
    transform-style: preserve-3d;
    color: inherit;
    vertical-align: baseline;
    line-height: 1.2;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Ensure characters remain visible after animation */
.hero-title-animated .hero-char[style*="opacity: 1"] {
    opacity: 1 !important;
    visibility: visible !important;
}

.hero-title-animated .hero-char:not([style*="opacity: 0"]) {
    opacity: 1 !important;
}

/* Final state - ensure all revealed characters stay visible with explicit gradient that animates */
.hero-title-animated.animation-complete .hero-char,
.hero-title-animated .hero-char {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) rotateX(0deg) !important;
}

/* After animation completes, ensure characters have visible gradient */
.hero-title-animated.animation-complete .hero-char {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 60%, #b4b4c7 80%, #6366f1 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-size: 200% 200% !important;
    animation: gradient-shift 8s ease infinite !important;
}

.hero-space {
    width: 0.15em;
}

.hero-line-break {
    flex-basis: 100% !important;
    width: 100% !important;
    height: 0 !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    color: var(--color-text-primary);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: var(--color-text-primary);
}

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

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

/* ========================================
   Section Styles
   ======================================== */

section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   About Section
   ======================================== */

.about-section {
    background-color: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    gap: var(--spacing-xl);
}

.about-text {
    max-width: 700px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(99, 102, 241, 0.02) 20px,
            rgba(99, 102, 241, 0.02) 22px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 20px,
            rgba(99, 102, 241, 0.02) 20px,
            rgba(99, 102, 241, 0.02) 22px
        );
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 0;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.feature-item:hover::after {
    opacity: 1;
}

.feature-item > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    font-size: 0.9375rem;
    color: var(--color-text-tertiary);
}

/* ========================================
   Services Section
   ======================================== */

.services-section {
    background-color: var(--color-bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(99, 102, 241, 0.02) 20px,
            rgba(99, 102, 241, 0.02) 22px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 20px,
            rgba(99, 102, 241, 0.02) 20px,
            rgba(99, 102, 241, 0.02) 22px
        );
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 16px 32px rgba(99, 102, 241, 0.25), 0 0 20px rgba(139, 92, 246, 0.15);
    border-color: var(--color-accent-primary);
}

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

.service-card:hover::after {
    opacity: 1;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Process Section
   ======================================== */

.process-section {
    background-color: var(--color-bg-secondary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(99, 102, 241, 0.02) 20px,
            rgba(99, 102, 241, 0.02) 22px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 20px,
            rgba(99, 102, 241, 0.02) 20px,
            rgba(99, 102, 241, 0.02) 22px
        );
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 0;
}

.process-step:hover::after {
    opacity: 1;
}

.process-step > * {
    position: relative;
    z-index: 1;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.step-description {
    color: var(--color-text-secondary);
    max-width: 300px;
    margin: 0 auto;
}

/* ========================================
   Technology Section
   ======================================== */

.technology-section {
    background-color: var(--color-bg-secondary);
}

.technology-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 600px;
    padding: var(--spacing-xl) 0;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

@media (max-width: 768px) {
    .container-narrow {
        grid-template-columns: 1fr;
    }
}

.animated-window {
    position: relative;
    background-color: transparent;
    border-radius: var(--radius-lg);
    padding: 0;
    overflow: visible;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
}

.animated-window:hover {
    transform: translateY(-3px) scale(1.01);
}

.window-border {
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: var(--radius-lg);
    z-index: 0;
    overflow: hidden;
}

.border-gradient {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    transform: translate(-50%, -50%);
    background: conic-gradient(
        from 0deg,
        #ef4444 0%,
        #8b5cf6 15%,
        #6366f1 30%,
        #8b5cf6 45%,
        #ef4444 60%,
        #8b5cf6 75%,
        #6366f1 90%,
        #ef4444 100%
    );
    animation: rotate-border 8s linear infinite, shimmer-border 3s ease-in-out infinite;
    filter: blur(1px);
}

@keyframes shimmer-border {
    0%, 100% {
        opacity: 1;
        filter: blur(1px) brightness(1);
    }
    50% {
        opacity: 0.9;
        filter: blur(0.5px) brightness(1.2);
    }
}

@keyframes rotate-border {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.window-border::before {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: calc(var(--radius-lg) - 3px);
    background: var(--color-bg-tertiary);
    z-index: 2;
}

.window-border::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    transform: translate(-50%, -50%);
    background: conic-gradient(from 180deg, #6366f1 0%, #ef4444 25%, #8b5cf6 50%, #ef4444 75%, #6366f1 100%);
    animation: gradient-rotate 6s linear infinite reverse;
    z-index: 1;
    opacity: 0.7;
}

@keyframes gradient-rotate {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.window-content {
    position: relative;
    z-index: 3;
    background-color: var(--color-bg-tertiary);
    border-radius: calc(var(--radius-lg) - 3px);
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.content-slide {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    animation: fadeInSlide 0.5s ease-in-out;
}

.content-slide.active {
    display: flex;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-slide h3 {
    font-size: 1.5rem;
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-slide p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 var(--spacing-md) 0;
}

.tech-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    margin-top: auto;
    align-self: flex-start;
}

/* ========================================
   Contact Section
   ======================================== */

.contact-section {
    background-color: var(--color-bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xxl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-primary);
}

.contact-item p {
    color: var(--color-text-secondary);
}

.contact-form-wrapper {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3,
.footer-column h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.footer-column ul li a:hover {
    color: var(--color-accent-primary);
}

.site-info {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

/* ========================================
   Utility Classes
   ======================================== */

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent-primary);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
}

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}