/* ==================== AI DISTRICT - BASE STYLES ==================== */

/* ==================== DESIGN TOKEN SYSTEM ==================== */
:root {
    /* Primary Colors */
    --color-primary: #0a0a0a;
    --color-secondary: #111111;
    --color-tertiary: #1a1a1a;
    --color-background-dark: #050505;
    
    /* Neon Accent System */
    --color-accent-neon-cyan: #00ffff;
    --color-accent-neon-green: #00ff00;
    --color-accent-neon-pink: #ff00ff;
    --color-accent-neon-purple: #8a2be2;
    --color-accent-electric-blue: #007fff;
    
    /* Text Hierarchy */
    --color-text-primary: #ffffff;
    --color-text-secondary: #cccccc;
    --color-text-tertiary: #888888;
    --color-text-muted: #555555;
    
    /* Functional Colors */
    --color-card-bg: rgba(26, 26, 26, 0.8);
    --color-border-neon: rgba(0, 255, 255, 0.3);
    --color-glow-cyan: rgba(0, 255, 255, 0.5);
    --color-glow-pink: rgba(255, 0, 255, 0.5);
    --color-glow-green: rgba(0, 255, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing Scale */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 40px;
    --space-2xl: 80px;
    --space-3xl: 120px;
    
    /* Animation & Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-neon-cyan: 0 0 20px var(--color-glow-cyan);
    --shadow-neon-pink: 0 0 20px var(--color-glow-pink);
    --shadow-neon-green: 0 0 20px var(--color-glow-green);
    
    /* Container System */
    --container-max-width: 1920px;
    --container-padding: 24px;
    --container-padding-mobile: 16px;
    --container-padding-4k: 40px;
}

/* ==================== RESET & BASE STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background: var(--color-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== HEADER COMPONENT ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-neon);
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.98);
    border-bottom-color: var(--color-accent-neon-cyan);
    box-shadow: var(--shadow-card);
}

.header__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.header__logo-icon {
    color: var(--color-accent-neon-cyan);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px var(--color-glow-cyan));
}

.header__logo-text {
   /* background: linear-gradient(45deg, var(--color-accent-neon-cyan), #00ff00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;*/
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    margin: 0;
}

.nav__link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-neon-cyan);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--color-accent-neon-cyan);
    text-shadow: 0 0 10px var(--color-glow-cyan);
}

.nav__link:hover::after {
    width: 100%;
    box-shadow: var(--shadow-neon-cyan);
}

.nav__link--active {
    color: var(--color-accent-neon-cyan);
}

.nav__link--active::after {
    width: 100%;
}

/* CTA Button in Header */
.header__cta {
    background: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-electric-blue));
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.header__cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-neon-cyan);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-accent-neon-cyan);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
}

/* ==================== MAIN LAYOUT ==================== */
.main {
    margin-top: 80px; /* Account for fixed header */
    min-height: calc(100vh - 80px);
}

/* Component Container Pattern */
.component-section {
    padding: var(--space-2xl) 0;
    position: relative;
}

.component-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ==================== BUTTON SYSTEM ==================== */
.btn-primary {
    background: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-electric-blue));
    color: var(--color-primary);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    min-width: 200px;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon-cyan);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent-neon-green);
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--color-accent-neon-green);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    min-width: 150px;
    justify-content: center;
}

.btn-secondary:hover {
    background: var(--color-accent-neon-green);
    color: var(--color-primary);
    box-shadow: var(--shadow-neon-green);
    transform: translateY(-2px);
}

/* ==================== CARD SYSTEM ==================== */
.card-base {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border-neon);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card-base:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent-neon-cyan);
    box-shadow: var(--shadow-card), var(--shadow-neon-cyan);
}

.card-base::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-neon-cyan), var(--color-accent-neon-pink));
    opacity: 0;
    transition: var(--transition);
}

.card-base:hover::before {
    opacity: 1;
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, var(--color-glow-cyan) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, var(--color-glow-pink) 0%, transparent 50%),
        radial-gradient(circle at 50% 90%, var(--color-glow-green) 0%, transparent 50%);
    opacity: 0.1;
    z-index: 1;
}

.hero__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    min-height: 70vh;
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.hero__headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    background: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-neon-pink), var(--color-accent-neon-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite alternate;
}

.hero__subheading {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    font-weight: 400;
    line-height: 1.6;
    max-width: 500px;
}

.hero__value-props {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.value-prop {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
}

.value-prop__icon {
    color: var(--color-accent-neon-green);
    font-size: 1.125rem;
    filter: drop-shadow(0 0 5px var(--color-glow-green));
}

.value-prop__text {
    color: var(--color-text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

.hero__cta-group {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero__image-container {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border-neon);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero__image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-neon-cyan), var(--color-accent-neon-pink));
    animation: pulse 2s ease-in-out infinite;
}

.hero__placeholder {
    text-align: center;
    color: var(--color-text-tertiary);
}

.hero__placeholder-icon {
    font-size: 4rem;
    color: var(--color-accent-neon-cyan);
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

.hero__placeholder-text {
    font-size: 1.125rem;
    font-weight: 500;
}

/* ==================== FOOTER COMPONENT ==================== */
.footer {
    background: var(--color-background-dark);
    border-top: 1px solid var(--color-border-neon);
    padding: var(--space-2xl) 0 var(--space-xl) 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-neon-cyan), transparent);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.footer__logo-icon {
    color: var(--color-accent-neon-cyan);
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--color-glow-cyan));
}

.footer__logo-text {
    color: var(--color-text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__description {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 400px;
}

.footer__social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.footer__social-link {
    color: var(--color-text-tertiary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.footer__social-link:hover {
    color: var(--color-accent-neon-cyan);
    text-shadow: 0 0 10px var(--color-glow-cyan);
}

.footer__column {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__column-title {
    color: var(--color-text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer__link {
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer__link:hover {
    color: var(--color-accent-neon-cyan);
    padding-left: var(--space-xs);
}

.footer__bottom {
    border-top: 1px solid var(--color-border-neon);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copyright {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer__legal {
    display: flex;
    gap: var(--space-lg);
}

.footer__legal-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer__legal-link:hover {
    color: var(--color-accent-neon-cyan);
}

/* ==================== UTILITY CLASSES ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.glow-cyan { box-shadow: var(--shadow-neon-cyan); }
.glow-pink { box-shadow: var(--shadow-neon-pink); }
.glow-green { box-shadow: var(--shadow-neon-green); }

.text-glow-cyan { text-shadow: 0 0 10px var(--color-glow-cyan); }
.text-glow-pink { text-shadow: 0 0 10px var(--color-glow-pink); }
.text-glow-green { text-shadow: 0 0 10px var(--color-glow-green); }

.gradient-primary {
    background: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-neon-green));
}

.gradient-secondary {
    background: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-electric-blue));
}

.gradient-success {
    background: linear-gradient(45deg, var(--color-accent-neon-green), var(--color-accent-neon-cyan));
}

.gradient-accent {
    background: linear-gradient(45deg, var(--color-accent-neon-pink), var(--color-accent-neon-purple));
}

.gradient-text {
    background-image: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-neon-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-accent {
    background-image: linear-gradient(45deg, var(--color-accent-neon-cyan), var(--color-accent-neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== ANIMATIONS ==================== */
@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--color-glow-cyan));
    }
    50% {
        filter: drop-shadow(0 0 20px var(--color-glow-green)) drop-shadow(0 0 30px var(--color-glow-cyan));
    }
}

@keyframes glowAccent {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--color-glow-cyan));
    }
    50% {
        filter: drop-shadow(0 0 20px var(--color-glow-pink)) drop-shadow(0 0 30px var(--color-glow-cyan));
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scaleX(1);
        opacity: 1;
    }
    50% {
        transform: scaleX(1.1);
        opacity: 0.7;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1024px) {
    .header__container,
    .component-container,
    .ai-hero__container,
    .footer__container,
    [class$="__container"] {
        padding: 0 var(--container-padding-mobile);
    }
    
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav__list {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header__cta {
        display: none;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .component-container {
        padding: 0 var(--container-padding-mobile);
    }
    
    /* General grid layouts */
    [class$="__grid"] {
        grid-template-columns: 1fr !important;
        gap: var(--space-xl);
    }
    
    /* Button sizing for mobile */
    [class*="btn-"] {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .main {
        margin-top: 70px;
    }
    
    /* Smaller headings on mobile */
    h1, .h1, [class$="__headline"] {
        font-size: clamp(1.75rem, 6vw, 2.5rem) !important;
    }
    
    h2, .h2 {
        font-size: clamp(1.5rem, 5vw, 2rem) !important;
    }
    
    h3, .h3 {
        font-size: clamp(1.25rem, 4vw, 1.75rem) !important;
    }
    
    /* Tighter spacing on mobile */
    [class$="__container"] {
        padding: 0 var(--container-padding-mobile);
    }
    
    /* Adjust section padding */
    section {
        padding: var(--space-xl) 0 !important;
    }
}

/* 4K Display Optimization */
@media (min-width: 2560px) {
    :root {
        --space-xs: 12px;
        --space-sm: 24px;
        --space-md: 36px;
        --space-lg: 48px;
        --space-xl: 60px;
        --space-2xl: 120px;
        --space-3xl: 180px;
        --container-padding-4k: 60px;
        --border-radius: 16px;
    }
    
    body {
        font-size: 18px;
    }
    
    /* Container padding for 4K */
    .header__container,
    .component-container,
    .ai-hero__container,
    .footer__container,
    [class$="__container"] {
        padding: 0 var(--container-padding-4k);
        max-width: 1920px; /* Standardized to 1920px max-width */
    }
    
    /* Larger icons */
    [class$="__icon"] {
        font-size: 1.5em;
    }
    
    /* Larger text elements */
    .header__logo-text {
        font-size: 1.75rem;
    }
    
    .nav__link {
        font-size: 1.2rem;
    }
    
    /* Larger headings */
    h1, .h1, [class$="__headline"] {
        font-size: clamp(3.5rem, 4vw, 5rem);
    }
    
    h2, .h2 {
        font-size: clamp(2.5rem, 3vw, 4rem);
    }
    
    h3, .h3 {
        font-size: clamp(1.75rem, 2vw, 2.5rem);
    }
    
    /* Larger paragraph text */
    p, [class$="__description"], [class$="__text"] {
        font-size: 1.2rem;
    }
    
    /* Larger buttons */
    [class*="btn-"] {
        font-size: 1.2rem;
        padding: var(--space-md) var(--space-xl);
    }
    
    /* Larger form elements */
    input, select, textarea, button {
        font-size: 1.2rem;
        padding: var(--space-sm) var(--space-md);
    }
}

/* ==================== ACCESSIBILITY ==================== */
*:focus {
    outline: 2px solid var(--color-accent-neon-cyan);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-accent-neon-cyan: #00cccc;
        --color-accent-neon-green: #00cc00;
        --color-text-secondary: #ffffff;
        --color-text-tertiary: #eeeeee;
    }
    
    .gradient-text, 
    .gradient-text-accent,
    [class*="gradient-"] {
        background: none !important;
        -webkit-text-fill-color: initial !important;
        color: var(--color-text-primary) !important;
    }
}

/* ==================== PERFORMANCE OPTIMIZATION ==================== */
.header,
[class$="__image-container"],
[class*="btn-"],
[class$="-card"],
.card-base {
    will-change: transform, opacity;
    transform: translateZ(0);
}

/* ==================== HEADER TEXT STYLES ==================== */
.header_text {
    font-style: italic;
    font-size: 1rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
}

.header_text span {
    padding: 0 10px;
    display: inline-block;
}

.header_text .header_text_capital_l {
    font-weight: 900;
}

@media (max-width: 768px) {
    .header_text {
        display: none;
    }
}