/* ==========================================================================
   Global Variables & Resets
   ========================================================================== */
   :root {
    /* Color Palette - High Contrast Dark Mode */
    --bg-dark: #050505;
    --bg-card: rgba(20, 20, 20, 0.6);
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    
    /* Neon Accents */
    --accent-cyan: #00f0ff;
    --accent-violet: #8a2be2;
    --accent-glow: 0 0 20px rgba(0, 240, 255, 0.4);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);

    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Spacing & Sizes */
    --nav-height: 80px;
    --container-max-width: 1200px;
    
    /* Animations */
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Background Animated Elements
   ========================================================================== */
.bg-gradient {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -2;
    opacity: 0.5;
    animation: drift 20s infinite alternate linear;
}

.bg-gradient-1 {
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(138,43,226,0.15) 0%, rgba(5,5,5,0) 70%);
    top: -10%;
    left: -10%;
}

.bg-gradient-2 {
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(0,240,255,0.1) 0%, rgba(5,5,5,0) 70%);
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 5%) scale(1.1); }
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient {
    background: linear-gradient(to right, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent {
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: skewX(-20deg);
    transition: left 0.7s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.glass-card:hover::before {
    left: 150%;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background: var(--text-main);
    color: var(--bg-dark) !important;
    font-weight: 600;
    border-radius: 30px;
    border: 2px solid var(--text-main);
    transition: all var(--transition-fast);
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-main) !important;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background: transparent;
    color: var(--accent-cyan);
    font-weight: 600;
    border-radius: 30px;
    border: 2px solid var(--accent-cyan);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-shadow: none;
}

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: var(--accent-glow);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: transform var(--transition-slow);
}

.navbar.scrolled-down {
    transform: translateY(-100%);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    position: relative;
    z-index: 1001; /* Above mobile menu */
}

.logo span {
    color: var(--text-muted);
    font-weight: 300;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 400;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--text-main);
    transition: width var(--transition-fast);
}

.nav-link.active:not(.btn-primary)::after,
.nav-link:hover:not(.btn-primary)::after {
    width: 100%;
}

.nav-link.active {
    color: var(--text-main);
    font-weight: 600;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--text-main);
    transition: all 0.3s ease-in-out;
}

/* ==========================================================================
   Main Content Area & SPA Transitions
   ========================================================================== */
#app-content {
    margin-top: var(--nav-height);
    flex: 1;
    min-height: calc(100vh - var(--nav-height));
}

.view-container {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn var(--transition-slow) forwards;
    padding: 4rem 0;
}

.view-container.exit {
    animation: fadeOut var(--transition-fast) forwards;
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* Section Common */
.section {
    padding: 4rem 0;
    position: relative;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: rgba(10, 10, 10, 0.9);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 2rem 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.footer-brand h2 span {
    color: var(--text-muted);
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.social-link {
    color: var(--text-muted);
}

.social-link:hover {
    color: var(--text-main);
}

.footer-bottom {
    max-width: var(--container-max-width);
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations for Scroll Reveal (Intersection Observer)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100vw;
        height: 100vh;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left var(--transition-slow);
        z-index: 1000;
    }
    
    .nav-links.nav-active {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}


/* Coming Soon Badge Animation */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 20px 10px rgba(0, 240, 255, 0);
    }
}


/* Performance Optimizations for Smooth Scrolling */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.bg-gradient,
.grid-overlay,
.navbar,
.glass-card,
.hero-background img {
    will-change: auto;
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Optimize animations */
@media (prefers-reduced-motion: no-preference) {
    .bg-gradient {
        animation: drift 20s infinite alternate linear;
    }
}

/* Reduce animation on low-end devices */
@media (max-width: 768px) {
    .bg-gradient {
        animation: none;
        opacity: 0.3;
    }
    
    .grid-overlay {
        opacity: 0.5;
    }
}

/* GPU acceleration for smooth scrolling */
body {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Optimize backdrop filters */
.glass-card,
.navbar {
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transform: translate3d(0, 0, 0);
}

/* Optimize images */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}


/* Success Popup */
.success-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.success-popup.active {
    opacity: 1;
    visibility: visible;
}

.success-popup-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    max-width: 400px;
    animation: popupSlideIn 0.5s ease-out;
}

@keyframes popupSlideIn {
    from {
        transform: scale(0.8) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.success-checkmark {
    margin: 0 auto 2rem;
    width: 100px;
    height: 100px;
}

.checkmark {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: block;
    stroke-width: 3;
    stroke: var(--accent-cyan);
    stroke-miterlimit: 10;
    box-shadow: inset 0 0 0 var(--accent-cyan);
    animation: fillCheckmark 0.4s ease-in-out 0.4s forwards, scaleCheckmark 0.3s ease-in-out 0.9s both;
}

.checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 3;
    stroke-miterlimit: 10;
    stroke: var(--accent-cyan);
    fill: none;
    animation: strokeCircle 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    stroke: var(--accent-cyan);
    stroke-width: 3;
    animation: strokeCheck 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes strokeCircle {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes strokeCheck {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes fillCheckmark {
    100% {
        box-shadow: inset 0 0 0 50px var(--accent-cyan);
    }
}

@keyframes scaleCheckmark {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

.success-popup-content h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.success-popup-content p {
    color: var(--text-muted);
    font-size: 1rem;
}


/* Rotating Text Animation */
.rotating-text-container {
    display: inline-flex;
    align-items: center;
    position: relative;
}

.rotating-text-static {
    display: inline-block;
}

.rotating-text-wrapper {
    display: inline-block;
    position: relative;
    overflow: hidden;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.3), rgba(0, 240, 255, 0.3));
    border-radius: 15px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
    min-width: 350px;
    width: 350px;
    text-align: center;
}

.rotating-text-dynamic {
    display: inline-block;
    color: var(--accent-cyan);
    font-weight: 800;
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
    white-space: nowrap;
}

/* Slide Up Animation */
@keyframes slideUp {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-100%);
        opacity: 0;
    }
}

/* Slide Down Animation */
@keyframes slideDown {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .rotating-text-wrapper {
        min-width: 250px;
        width: 250px;
        padding: 0.4rem 1rem;
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .rotating-text-wrapper {
        min-width: 200px;
        width: 200px;
        padding: 0.3rem 0.8rem;
        font-size: 0.85em;
    }
}