:root {
    /* Cyberpunk Color Palette - Based on tax.essat.sk */
    --color-bg-dark: rgb(18, 0, 32);
    --color-bg-center: rgb(46, 1, 72);
    --color-primary: #00f0ff;
    --color-secondary: #ff006e;
    --color-accent: #8b00ff;
    --color-warning: #ffcc00;
    --color-text: #ffffff;
    --color-text-dim: rgba(255, 255, 255, 0.7);

    /* Portal Colors */
    --tax-glow: #00d9ff;
    --smart-glow: #00ff88;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: #000000;
    /* Pure black background */
    color: var(--color-text);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Wireframe Terrain Background */
#wireframe-terrain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Mountain Peak Labels */
.mountain-labels {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    z-index: 1;
    pointer-events: none;
}

.peak-label {
    position: absolute;
    text-align: center;
    font-family: 'Courier New', 'Consolas', monospace;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.85;
    text-shadow: 0 0 15px currentColor, 0 0 25px currentColor;
    animation: peakGlow 4s ease-in-out infinite;
}

.peak-name {
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
    font-weight: 900;
}

.peak-elevation {
    font-size: 0.75rem;
    opacity: 0.9;
}

/* Position peaks along Slovak Carpathian range */
.peak-1,
.peak-2,
.peak-3,
.peak-4,
.peak-5 {
    position: fixed;
    transition: all 0.1s ease-out;
}

.peak-1 {
    color: #ffffff;
}

.peak-2 {
    color: #0b4ea2;
}

.peak-3 {
    color: #ffffff;
}

.peak-4 {
    color: #ee1c25;
}

.peak-5 {
    color: #ffffff;
    font-size: 1.1em;
}

@keyframes peakGlow {

    0%,
    100% {
        opacity: 0.75;
    }

    50% {
        opacity: 0.95;
    }
}

/* Animated Starfield */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image:
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 80%, white, transparent),
        radial-gradient(1px 1px at 15% 90%, white, transparent);
    background-size: 200% 200%;
    animation: starsMove 120s linear infinite;
    opacity: 0.6;
    z-index: 1;
}

@keyframes starsMove {
    0% {
        background-position: 0% 0%;
    }

    100% {
        background-position: 100% 100%;
    }
}

/* CRT Scanlines */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: repeating-linear-gradient(0deg,
            rgba(0, 0, 0, 0.1) 0px,
            rgba(0, 0, 0, 0.1) 1px,
            transparent 1px,
            transparent 2px);
    z-index: 999;
    opacity: 0.3;
    animation: scanlineFlicker 0.1s infinite;
}

@keyframes scanlineFlicker {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.25;
    }
}

.container {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Header with Glitch Effect */
.main-header {
    text-align: center;
    margin-bottom: 6rem;
    position: relative;
}

.est-badge {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    text-shadow: 0 0 10px var(--color-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    opacity: 0.8;
}

.glitch-wrapper {
    position: relative;
    display: inline-block;
}

.glitch {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 900;
    letter-spacing: 0.3em;
    position: relative;
    color: var(--color-primary);
    text-shadow:
        0 0 10px var(--color-primary),
        0 0 20px var(--color-primary),
        0 0 40px var(--color-primary),
        0 0 80px var(--color-primary);
    animation: glitchText 5s infinite;
}

@keyframes glitchText {

    0%,
    90%,
    100% {
        transform: translate(0);
    }

    92% {
        transform: translate(-2px, 2px);
    }

    94% {
        transform: translate(2px, -2px);
    }

    96% {
        transform: translate(-2px, -2px);
    }
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.glitch::before {
    color: var(--color-secondary);
    animation: glitchBefore 3s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch::after {
    color: var(--color-accent);
    animation: glitchAfter 3s infinite;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitchBefore {

    0%,
    95%,
    100% {
        opacity: 0;
        transform: translate(0);
    }

    96% {
        opacity: 0.8;
        transform: translate(-5px, 0);
    }
}

@keyframes glitchAfter {

    0%,
    95%,
    100% {
        opacity: 0;
        transform: translate(0);
    }

    97% {
        opacity: 0.8;
        transform: translate(5px, 0);
    }
}

.tagline {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    margin-top: 1rem;
    color: var(--color-text-dim);
    letter-spacing: 0.2em;
}

.highlight {
    color: var(--color-primary);
    font-weight: 700;
    text-shadow: 0 0 20px var(--color-primary);
}

/* Portals Container */
.portals-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

/* Portal Cards */
.portal-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.portal-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--tax-glow);
    box-shadow:
        0 20px 60px rgba(0, 217, 255, 0.3),
        inset 0 0 40px rgba(0, 217, 255, 0.1);
}

#smart-portal:hover {
    border-color: var(--smart-glow);
    box-shadow:
        0 20px 60px rgba(0, 255, 136, 0.3),
        inset 0 0 40px rgba(0, 255, 136, 0.1);
}

/* Portal Canvas (WebGL) */
.portal-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
    transition: opacity 0.5s ease;
}

.portal-card:hover .portal-canvas {
    opacity: 0.8;
}

/* Accounting Symbols Overlay (TAX portal) */
.accounting-symbols {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.accounting-symbols span {
    position: absolute;
    font-size: 2rem;
    font-weight: 700;
    color: var(--tax-glow);
    opacity: 0.4;
    text-shadow: 0 0 10px var(--tax-glow);
    animation: floatSymbol 20s infinite linear;
}

.accounting-symbols span:nth-child(1) {
    left: 10%;
    top: 15%;
    animation-delay: 0s;
    font-size: 2.5rem;
}

.accounting-symbols span:nth-child(2) {
    left: 80%;
    top: 20%;
    animation-delay: -2s;
}

.accounting-symbols span:nth-child(3) {
    left: 25%;
    top: 70%;
    animation-delay: -4s;
    font-size: 1.8rem;
}

.accounting-symbols span:nth-child(4) {
    left: 65%;
    top: 65%;
    animation-delay: -6s;
}

.accounting-symbols span:nth-child(5) {
    left: 45%;
    top: 30%;
    animation-delay: -8s;
    font-size: 2.2rem;
}

.accounting-symbols span:nth-child(6) {
    left: 15%;
    top: 50%;
    animation-delay: -10s;
}

.accounting-symbols span:nth-child(7) {
    left: 70%;
    top: 40%;
    animation-delay: -12s;
    font-size: 1.6rem;
}

.accounting-symbols span:nth-child(8) {
    left: 35%;
    top: 80%;
    animation-delay: -14s;
}

.accounting-symbols span:nth-child(9) {
    left: 55%;
    top: 10%;
    animation-delay: -16s;
    font-size: 1.9rem;
}

.accounting-symbols span:nth-child(10) {
    left: 90%;
    top: 55%;
    animation-delay: -18s;
}

.accounting-symbols span:nth-child(11) {
    left: 20%;
    top: 35%;
    animation-delay: -3s;
}

.accounting-symbols span:nth-child(12) {
    left: 75%;
    top: 75%;
    animation-delay: -7s;
    font-size: 2.1rem;
}

.accounting-symbols span:nth-child(13) {
    left: 40%;
    top: 60%;
    animation-delay: -11s;
}

.accounting-symbols span:nth-child(14) {
    left: 85%;
    top: 30%;
    animation-delay: -15s;
}

.accounting-symbols span:nth-child(15) {
    left: 50%;
    top: 50%;
    animation-delay: -19s;
    font-size: 2.3rem;
}

@keyframes floatSymbol {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        opacity: 0.4;
    }

    25% {
        transform: translate(-30px, -20px) rotate(90deg) scale(1.1);
        opacity: 0.6;
    }

    50% {
        transform: translate(-10px, -40px) rotate(180deg) scale(0.9);
        opacity: 0.5;
    }

    75% {
        transform: translate(20px, -30px) rotate(270deg) scale(1.05);
        opacity: 0.7;
    }
}

.portal-card:hover .accounting-symbols span {
    animation-duration: 5s;
    opacity: 0.8;
    text-shadow: 0 0 20px var(--tax-glow), 0 0 40px var(--tax-glow);
}

/* Portal Content */
.portal-content {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    text-align: center;
}

.portal-icon {
    width: 120px;
    height: 120px;
    color: var(--tax-glow);
    filter: drop-shadow(0 0 20px var(--tax-glow));
    animation: pulseGlow 3s ease-in-out infinite;
}

.accounting-icon {
    color: var(--tax-glow);
    filter: drop-shadow(0 0 25px var(--tax-glow)) drop-shadow(0 0 35px var(--tax-glow));
}

#smart-portal .portal-icon {
    color: var(--smart-glow);
    filter: drop-shadow(0 0 20px var(--smart-glow));
}

@keyframes pulseGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 20px currentColor);
        transform: scale(1);
    }

    50% {
        filter: drop-shadow(0 0 40px currentColor);
        transform: scale(1.05);
    }
}

.portal-content h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px var(--tax-glow);
}

#smart-portal h2 {
    text-shadow: 0 0 20px var(--smart-glow);
}

.portal-description {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Construction Badge */
.construction-badge {
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    background: rgba(255, 204, 0, 0.1);
    border: 1px solid var(--color-warning);
    border-radius: 8px;
}

.badge-text {
    color: var(--color-warning);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-shadow: 0 0 10px var(--color-warning);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    margin-top: 0.5rem;
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 45%;
    background: linear-gradient(90deg, var(--color-warning), var(--smart-glow));
    animation: progressPulse 2s ease-in-out infinite;
}

@keyframes progressPulse {

    0%,
    100% {
        transform: translateX(0);
        opacity: 1;
    }

    50% {
        transform: translateX(20px);
        opacity: 0.7;
    }
}

/* Portal Stats */
.portal-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-shadow: 0 0 15px var(--color-primary);
}

.stat-value.warning {
    color: var(--color-warning);
    text-shadow: 0 0 15px var(--color-warning);
    animation: warningBlink 1.5s infinite;
}

@keyframes warningBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-dim);
    margin-top: 0.3rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Event Horizon (CTA Button) */
.event-horizon {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(139, 0, 255, 0.2));
    border: 2px solid var(--tax-glow);
    border-radius: 50px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--tax-glow);
    text-shadow: 0 0 10px var(--tax-glow);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.event-horizon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--tax-glow), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
    border-radius: 50%;
    opacity: 0.3;
}

.portal-card:hover .event-horizon::before {
    width: 300%;
    height: 300%;
}

.event-horizon.smart {
    border-color: var(--smart-glow);
    color: var(--smart-glow);
    text-shadow: 0 0 10px var(--smart-glow);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 240, 255, 0.2));
}

.event-horizon.smart::before {
    background: radial-gradient(circle, var(--smart-glow), transparent);
}

/* Portal Glow Effect */
.portal-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--tax-glow), transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.portal-card:hover .portal-glow {
    opacity: 0.2;
    animation: pulseGlowBg 2s ease-in-out infinite;
}

.smart-glow {
    background: radial-gradient(circle, var(--smart-glow), transparent 70%);
}

/* Smart Home Icons Overlay */
.smart-home-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.smart-home-icons span {
    position: absolute;
    font-size: 2rem;
    opacity: 0.4;
    filter: drop-shadow(0 0 10px var(--smart-glow));
    animation: floatSymbol 20s infinite linear;
}

.smart-home-icons span:nth-child(1) {
    left: 10%;
    top: 15%;
    animation-delay: 0s;
    font-size: 2.5rem;
}

.smart-home-icons span:nth-child(2) {
    left: 80%;
    top: 20%;
    animation-delay: -2s;
}

.smart-home-icons span:nth-child(3) {
    left: 25%;
    top: 70%;
    animation-delay: -4s;
    font-size: 1.8rem;
}

.smart-home-icons span:nth-child(4) {
    left: 65%;
    top: 65%;
    animation-delay: -6s;
}

.smart-home-icons span:nth-child(5) {
    left: 45%;
    top: 30%;
    animation-delay: -8s;
    font-size: 2.2rem;
}

.smart-home-icons span:nth-child(6) {
    left: 15%;
    top: 50%;
    animation-delay: -10s;
}

.smart-home-icons span:nth-child(7) {
    left: 70%;
    top: 40%;
    animation-delay: -12s;
    font-size: 1.6rem;
}

.smart-home-icons span:nth-child(8) {
    left: 35%;
    top: 80%;
    animation-delay: -14s;
}

.smart-home-icons span:nth-child(9) {
    left: 55%;
    top: 10%;
    animation-delay: -16s;
    font-size: 1.9rem;
}

.smart-home-icons span:nth-child(10) {
    left: 90%;
    top: 55%;
    animation-delay: -18s;
}

.smart-home-icons span:nth-child(11) {
    left: 20%;
    top: 35%;
    animation-delay: -3s;
}

.smart-home-icons span:nth-child(12) {
    left: 75%;
    top: 75%;
    animation-delay: -7s;
    font-size: 2.1rem;
}

.portal-card:hover .smart-home-icons span {
    animation-duration: 5s;
    opacity: 0.7;
    filter: drop-shadow(0 0 20px var(--smart-glow)) drop-shadow(0 0 40px var(--smart-glow));
}

.smart-home-icon {
    color: var(--smart-glow);
    filter: drop-shadow(0 0 25px var(--smart-glow)) drop-shadow(0 0 35px var(--smart-glow));
}

.stat-value.smart {
    color: var(--smart-glow);
    text-shadow: 0 0 15px var(--smart-glow);
    font-size: 2.5rem;
}

@keyframes pulseGlowBg {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.2;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.3;
    }
}

/* Footer Terminal */
.footer {
    text-align: center;
    padding: 2rem;
}

.terminal-text {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: var(--color-primary);
    text-shadow: 0 0 10px var(--color-primary);
}

.prompt {
    color: var(--color-secondary);
    margin-right: 0.5rem;
}

.command {
    color: var(--color-primary);
}

.typing::after {
    content: '▋';
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .portals-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .portal-card {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 2rem 1rem;
    }

    .main-header {
        margin-bottom: 3rem;
    }

    .portal-content {
        padding: 2rem;
    }

    .portal-icon {
        width: 80px;
        height: 80px;
    }

    .portal-content h2 {
        font-size: 1.8rem;
    }

    .portal-stats {
        gap: 1rem;
    }
}