/* ============================================
   Josh Internet - Premium 404 Page
   Main Stylesheet
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
    /* Brand Colors */
    --color-primary: #00C8FF;
    --color-accent: #FFD54A;
    --color-dark: #07111F;
    --color-dark-2: #0A1628;
    --color-dark-3: #0F1D35;

    /* Glassmorphism */
    --glass-bg: rgba(7, 17, 31, 0.65);
    --glass-border: rgba(0, 200, 255, 0.15);
    --glass-shadow: rgba(0, 200, 255, 0.08);

    /* Glows */
    --glow-cyan: 0 0 40px rgba(0, 200, 255, 0.3), 0 0 80px rgba(0, 200, 255, 0.1);
    --glow-yellow: 0 0 40px rgba(255, 213, 74, 0.3), 0 0 80px rgba(255, 213, 74, 0.1);
    --glow-text: 0 0 20px rgba(0, 200, 255, 0.5), 0 0 60px rgba(0, 200, 255, 0.2);

    /* Typography */
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'JetBrains Mono', monospace;

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Spacing */
    --section-gap: 2rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--color-dark);
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- Background Layers --- */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.bg-gradient {
    background: radial-gradient(ellipse at 20% 50%, var(--color-dark-2) 0%, var(--color-dark) 60%),
                radial-gradient(ellipse at 80% 20%, rgba(0, 200, 255, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(255, 213, 74, 0.03) 0%, transparent 40%);
}

/* Animated mesh grid overlay */
.bg-grid {
    background-image:
        linear-gradient(rgba(0, 200, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 200, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridShift 20s linear infinite;
}

/* --- Particle Canvas --- */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* --- Mouse Glow Tracker --- */
.mouse-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 2;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

/* --- Main Container --- */
.main-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}

/* --- Logo Area --- */
.logo-area {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease forwards;
    opacity: 0;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
    margin-bottom: 1rem;
    font-size: 2rem;
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.logo-icon:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-cyan);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Glass Card --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3.5rem 3rem;
    max-width: 680px;
    width: 100%;
    box-shadow:
        0 8px 32px var(--glass-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

/* Glass card gradient border overlay */
.glass-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 25px;
    background: linear-gradient(135deg, rgba(0, 200, 255, 0.2), transparent, rgba(255, 213, 74, 0.15));
    z-index: -1;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

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

/* Glass card inner glow dot */
.glass-card::after {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* --- 404 Number --- */
.error-number {
    text-align: center;
    position: relative;
    margin-bottom: 1.5rem;
}

.error-number .display-404 {
    font-size: clamp(6rem, 18vw, 12rem);
    font-weight: 900;
    line-height: 1;
    font-family: var(--font-mono);
    background: linear-gradient(135deg, var(--color-primary) 0%, #66d9ff 40%, var(--color-accent) 70%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
    letter-spacing: -5px;
    animation: glowPulse 3s ease-in-out infinite;
    display: inline-block;
}

.error-number .glow-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 80%;
    border-radius: 50%;
    border: 1px solid rgba(0, 200, 255, 0.1);
    animation: ringPulse 4s ease-in-out infinite;
    pointer-events: none;
}

.error-number .glow-ring:nth-child(2) {
    animation-delay: 1s;
    border-color: rgba(255, 213, 74, 0.08);
}

/* --- Error Content --- */
.error-content {
    text-align: center;
}

.error-title {
    font-size: clamp(1.3rem, 3vw, 1.75rem);
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.75rem;
    letter-spacing: 0.5px;
}

.error-description {
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    max-width: 450px;
    margin: 0 auto 2.5rem;
}

.error-description span {
    color: var(--color-primary);
    opacity: 0.8;
}

/* --- Buttons --- */
.btn-group-custom {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.btn-josh {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 2rem;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    border: 1px solid var(--glass-border);
    background: rgba(0, 200, 255, 0.06);
    color: #fff;
    transition: var(--transition-smooth);
    overflow: hidden;
    z-index: 1;
    min-width: 200px;
    justify-content: center;
}

.btn-josh i {
    font-size: 1.1rem;
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

/* Ripple effect container */
.btn-josh .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 200, 255, 0.2);
    transform: scale(0);
    animation: rippleAnim 0.6s linear;
    pointer-events: none;
}

.btn-josh:hover {
    background: rgba(0, 200, 255, 0.12);
    border-color: rgba(0, 200, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 200, 255, 0.15);
}

.btn-josh:hover i {
    color: var(--color-accent);
}

.btn-josh-accent {
    background: rgba(255, 213, 74, 0.08);
    border-color: rgba(255, 213, 74, 0.2);
}

.btn-josh-accent i {
    color: var(--color-accent);
}

.btn-josh-accent:hover {
    background: rgba(255, 213, 74, 0.15);
    border-color: rgba(255, 213, 74, 0.35);
    box-shadow: 0 8px 30px rgba(255, 213, 74, 0.12);
}

/* --- Features Strip --- */
.features-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    justify-content: center;
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.3px;
}

.feature-item i {
    font-size: 1rem;
    color: var(--color-primary);
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.feature-item:hover i {
    color: var(--color-accent);
    opacity: 1;
}

.feature-item span {
    color: rgba(255, 255, 255, 0.6);
}

/* --- WiFi Router Illustration (Pure CSS) --- */
.wifi-router {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 1.5rem 0;
    animation: floatRouter 6s ease-in-out infinite;
}

.wifi-router .router-body {
    width: 80px;
    height: 28px;
    background: linear-gradient(135deg, var(--color-dark-3), var(--color-dark-2));
    border-radius: 8px 8px 4px 4px;
    border: 1px solid rgba(0, 200, 255, 0.2);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 200, 255, 0.1);
}

.wifi-router .router-body .led {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-primary);
    margin: 0 3px;
    animation: ledBlink 2s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(0, 200, 255, 0.6);
}

.wifi-router .router-body .led:nth-child(2) {
    animation-delay: 0.3s;
    background: var(--color-accent);
    box-shadow: 0 0 6px rgba(255, 213, 74, 0.6);
}

.wifi-router .router-body .led:nth-child(3) {
    animation-delay: 0.6s;
}

.wifi-router .router-antennas {
    display: flex;
    gap: 20px;
    margin-bottom: 4px;
}

.wifi-router .router-antennas .antenna {
    width: 2px;
    height: 22px;
    background: linear-gradient(to top, var(--color-dark-3), rgba(0, 200, 255, 0.3));
    border-radius: 2px;
    transform-origin: bottom center;
}

.wifi-router .router-antennas .antenna:first-child {
    transform: rotate(-20deg);
}

.wifi-router .router-antennas .antenna:last-child {
    transform: rotate(20deg);
}

/* Signal waves */
.wifi-router .signal-waves {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.wifi-router .signal-waves .wave {
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    border-right-color: transparent;
    border-bottom-color: transparent;
    opacity: 0;
    animation: signalWave 2.5s ease-in-out infinite;
}

.wifi-router .signal-waves .wave:nth-child(2) {
    width: 22px;
    height: 22px;
    animation-delay: 0.3s;
    border-color: var(--color-accent);
    border-right-color: transparent;
    border-bottom-color: transparent;
}

.wifi-router .signal-waves .wave:nth-child(3) {
    width: 32px;
    height: 32px;
    animation-delay: 0.6s;
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 2rem 1rem 1.5rem;
    animation: fadeInUp 1s ease 0.9s forwards;
    opacity: 0;
}

.footer p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.25);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer p i {
    color: var(--color-primary);
    margin: 0 4px;
    opacity: 0.5;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--color-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 200, 255, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 200, 255, 0.4);
}

.footer{
margin-top:18px;
text-align:center;
font-size:13px;
color:#888;
line-height:1.8;
}

.footer a{
color:#00A651;
font-weight:700;
text-decoration:none;
transition:.3s;
}

.footer a:hover{
color:#00843d;
text-decoration:underline;
}