@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
    --bg-dark: #120A1E; 
    --bg-card: #1C1229; 
    --accent-start: #7B3EBC; 
    --accent-end: #E03B8D;   
    --accent-gradient: linear-gradient(90deg, var(--accent-start), var(--accent-end));
    --accent-glow: rgba(123, 62, 188, 0.2);
    --text-white: #ffffff;
    --text-gray: #B8B8D0;
    --grid-line: rgba(255,255,255,0.03);
    --capital-start: #7C3AED;   /* Deep Violet */
    --capital-end: #E94EFF;     /* Bright Magenta */
    --capital-gradient: linear-gradient(90deg, var(--capital-start), var(--capital-end));
    --capital-glow: rgba(124, 58, 237, 0.4); /* Violet Glow */
    --success-color: #10B981; /* Tailwind green-500 */
    --danger-color: #EF4444;  /* Tailwind red-500 */
    --data-intelligence-violet: #7C3AED;   /* Slightly deeper violet from header */
    --data-intelligence-magenta: #E94EFF;     /* Bright pink from button */
    --dashboard-gradient: linear-gradient(90deg, var(--data-intelligence-violet), var(--data-intelligence-magenta));
    --dashboard-glow: rgba(124, 58, 237, 0.4); /* Violet Glow */
}

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

/* Enable smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    width: 100%;
    line-height: 1.6;
    /* Padding added to prevent content from hiding under the fixed header */
    padding-top: 75px; 
}

/* --- BACKGROUND --- */
.grid-bg {
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100vh;
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px; 
    z-index: -1;
    pointer-events: none;
}

.glow-spot {
    position: absolute; 
    top: 20%; 
    left: 50%; 
    transform: translate(-50%, -50%);
    width: 800px; 
    height: 800px;
    background: radial-gradient(circle, rgba(123, 62, 188, 0.12) 0%, rgba(18, 10, 30, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
    width: 100%;
    box-sizing: border-box;
}

/* --- FLOATING HEADER (Transparent until scroll) --- */
header { 
    position: fixed; 
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000; 
    
    /* Initial transparent state */
    background-color: transparent; 
    box-shadow: none;
    /* Smooth transition for background and shadow */
    transition: background-color 0.4s ease, box-shadow 0.4s ease; 
}

/* Opaque state when scrolled (JS adds this class) */
header.scrolled {
    background-color: var(--bg-dark); /* Full dark color */
    box-shadow: 0 2px 10px rgba(0,0,0,0.5); /* Add shadow on scroll */
}

.header-content {
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 15px 20px;
    width: 100%;
    box-sizing: border-box;
}

.logo-link {
    display: block; 
    line-height: 0; 
}

.logo-img {
    height: 35px; 
    width: auto;
    vertical-align: middle;
}

/* --- DROPDOWN LANGUAGE SWITCHER STYLES --- */
/* Dropdown container */
.dropdown {
    position: relative;
    display: inline-block;
}

/* Dropdown trigger button */
.dropbtn {
    background-color: transparent;
    color: var(--text-white);
    padding: 10px 15px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
    pointer-events: auto;
}

.dropbtn:hover {
    background-color: var(--bg-card);
    border-color: var(--accent-end);
}

/* Dropdown content (hidden by default) */
.dropdown-content {
    display: none; /* Controlled by JS .show class */
    position: absolute;
    top: 100%; /* Position below the button */
    right: 0;
    margin-top: 5px; /* Small gap */
    background-color: var(--bg-card);
    min-width: 150px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.4);
    z-index: 1001; /* Above header */
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
    padding: 5px 0;
    overflow: hidden;
    pointer-events: auto;
}

/* Class to show the dropdown content using JS */
.dropdown-content.show {
    display: block;
}

/* Links inside the dropdown */
.dropdown-content a {
    color: var(--text-gray);
    padding: 10px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    white-space: nowrap;
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
}

/* Highlight active language */
.dropdown-content a.active {
    color: var(--accent-end);
    font-weight: 700;
    background-color: rgba(224, 59, 141, 0.1);
}

/* --- Header Actions (Dropdown + Button) --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px; /* Spacing between lang switcher and CTA */
}

.nav-btn { 
    background: var(--accent-gradient);
    border: 1px solid transparent; 
    color: var(--text-white); 
    padding: 10px 24px; 
    border-radius: 4px; 
    text-decoration: none; 
    font-size: 0.9rem; 
    font-weight: 600;
    transition: all 0.3s; 
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(123, 62, 188, 0.3);
}

.nav-btn:hover { 
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(123, 62, 188, 0.5);
    filter: brightness(1.1);
}

/* --- HERO --- */
.hero { 
    padding: 80px 0; 
    display: grid; 
    grid-template-columns: 1.2fr 0.8fr; 
    gap: 60px; 
    align-items: center; 
}

/* Pulsing status indicator */
.hero-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
        opacity: 1;
    }
    50% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
        opacity: 0.8;
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
        opacity: 1;
    }
}

h1 { 
    font-size: 4rem; 
    line-height: 1.1; 
    font-weight: 800; 
    margin-bottom: 24px; 
    letter-spacing: -0.02em; 
}

.gradient-text { 
    background: var(--accent-gradient); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

.hero p { 
    font-size: 1.25rem; 
    color: var(--text-gray); 
    margin-bottom: 40px; 
    max-width: 500px; 
    line-height: 1.6; 
}

.cta-button { 
    background: var(--accent-gradient); 
    color: var(--text-white); 
    padding: 16px 32px; 
    font-weight: 700; 
    text-decoration: none; 
    border-radius: 4px; 
    display: inline-block; 
    transition: 0.2s; 
    border: none; 
    cursor: pointer; 
}

.cta-button:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 5px 20px rgba(123, 62, 188, 0.4); 
}

/* --- DASHBOARD MOCKUP --- */
.dashboard-card {
    background: var(--bg-card); 
    border: 1px solid rgba(255,255,255,0.1); /* Lighter border than before */
    border-radius: 16px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.5), 0 0 30px var(--dashboard-glow);
    padding: 25px; 
    font-family: 'Inter', sans-serif;
    color: var(--text-white);
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    box-sizing: border-box;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dashboard-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-white);
}

.traffic-lights {
    display: flex;
    gap: 8px;
}

.light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    opacity: 0.8;
}

.light.red { background-color: #EF4444; }
.light.yellow { background-color: #FBBF24; }
.light.green { background-color: #10B981; }

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.metric-item {
    background-color: transparent; /* No background color like the image */
    padding: 0; /* No padding like the image */
    border-radius: 0;
    border-left: none; /* No border-left */
    transition: none; /* No hover effect on these for consistency */
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.metric-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-gray);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em; /* Slightly wider letter spacing */
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 5px;
    background: var(--dashboard-gradient);
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

.metric-change {
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.change-icon {
    width: 0;
    height: 0;
    margin-right: 5px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.change-up {
    color: var(--success-color);
}

.change-up .change-icon {
    border-bottom: 4px solid var(--success-color);
}

.change-down {
    color: var(--danger-color);
}

.change-down .change-icon {
    border-top: 4px solid var(--danger-color);
}

.chart-section {
    margin-top: 20px;
}

.chart-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bar-chart {
    display: flex;
    align-items: flex-end;
    height: 120px;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 5px;
}

.bar-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    height: 100%;
    justify-content: flex-end;
}

.bar {
    width: 100%;
    background-color: var(--data-intelligence-violet); /* Solid violet for bars */
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
    min-height: 2px;
}

/* Zvýraznenie posledného stĺpca pre "najnovšiu" hodnotu, ako na obrázku */
.bar-wrapper:last-child .bar {
    background-color: var(--success-color); /* Green for the last bar */
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); /* Green glow */
}

.bar-label {
    margin-top: 5px;
    font-size: 0.75rem;
    color: var(--text-gray);
}

/* Responsive adjustments for dashboard */
@media (max-width: 768px) {
    .dash-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dash-chart {
        grid-column: span 2;
    }
    
    .kpi-value {
        font-size: 1.5rem;
    }
}

/* --- TICKER --- */
.tech-stack-section { 
    padding: 40px 0; 
    border-top: 1px solid rgba(255,255,255,0.05); 
    border-bottom: 1px solid rgba(255,255,255,0.05); 
    background: rgba(0,0,0,0.2); 
    overflow: hidden; 
    white-space: nowrap; 
    position: relative;
    width: 100%;
    max-width: 100%;
}

.ticker-wrapper { 
    display: flex; 
    width: fit-content; 
    animation: scroll 30s linear infinite; 
}

.tech-tag { 
    display: inline-block; 
    font-family: 'JetBrains Mono', monospace; 
    font-size: 0.9rem; 
    color: var(--text-gray); 
    padding: 10px 25px; 
    margin: 0 15px; 
    border: 1px solid rgba(255,255,255,0.1); 
    border-radius: 50px; 
    background: var(--bg-card); 
    text-transform: uppercase; 
}

@keyframes scroll { 
    0% { transform: translateX(0); } 
    100% { transform: translateX(-50%); } 
}

/* --- PROCESS --- */
.process-section { 
    padding: 100px 0; 
}

.section-head { 
    text-align: center; 
    margin-bottom: 60px; 
}

.section-head h2 { 
    font-size: 2.5rem; 
    margin-bottom: 15px; 
}

.process-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 40px; 
}

.step-card { 
    position: relative; 
    padding: 30px; 
    border-top: 1px solid rgba(255,255,255,0.1); 
    transition: 0.3s; 
}

.step-card:hover { 
    border-top: 1px solid var(--accent-end); 
    transform: translateY(-5px); 
}

.step-num { 
    font-size: 4rem; 
    font-weight: 800; 
    color: rgba(255,255,255,0.03); 
    position: absolute; 
    top: 0; 
    right: 20px; 
    font-family: 'JetBrains Mono'; 
}

.step-title { 
    font-size: 1.5rem; 
    margin-bottom: 15px; 
    margin-top: 20px; 
}

/* --- SERVICES --- */
.services-expanded { 
    padding: 80px 0; 
}

.services-grid-large { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
    gap: 30px; 
}

.service-card-lg { 
    background: var(--bg-card); 
    border: 1px solid rgba(255,255,255,0.05); 
    border-radius: 12px; 
    padding: 40px; 
    transition: all 0.3s ease; 
    position: relative; 
    overflow: hidden; 
}

.service-card-lg:hover { 
    border-color: rgba(123, 62, 188, 0.5); 
    transform: translateY(-5px); 
    box-shadow: 0 10px 30px rgba(0,0,0,0.2); 
}

.service-card-lg::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: radial-gradient(circle at top right, rgba(224, 59, 141, 0.05), transparent 40%); 
    opacity: 0; 
    transition: 0.3s; 
}

.service-card-lg:hover::before { 
    opacity: 1; 
}

.svc-icon { 
    font-family: 'JetBrains Mono'; 
    color: var(--accent-end); 
    font-size: 1.1rem; 
    margin-bottom: 20px; 
    display: inline-block; 
    background: rgba(224, 59, 141, 0.1); 
    padding: 8px 12px; 
    border-radius: 4px; 
    text-transform: uppercase; 
}

.svc-title { 
    font-size: 1.5rem; 
    margin-bottom: 15px; 
    font-weight: 700; 
}

.svc-desc { 
    color: var(--text-gray); 
    margin-bottom: 25px; 
    font-size: 0.95rem; 
}

.svc-list { 
    list-style: none; 
    margin-bottom: 25px; 
}

.svc-list li { 
    display: flex; 
    align-items: flex-start; 
    margin-bottom: 10px; 
    color: #d4d4e8; 
    font-size: 0.9rem; 
}

.svc-list li::before { 
    content: "▹"; 
    color: var(--accent-start); 
    margin-right: 10px; 
}

.tech-badges { 
    display: flex; 
    gap: 8px; 
    flex-wrap: wrap; 
}

.badge { 
    font-family: 'JetBrains Mono'; 
    font-size: 0.7rem; 
    background: rgba(255,255,255,0.05); 
    padding: 4px 8px; 
    border-radius: 4px; 
    color: var(--text-gray); 
    text-transform: uppercase; 
}

/* --- CONTACT --- */
.contact-section { 
    padding: 100px 0 140px 0; 
    text-align: center;
}

.big-email {
    font-family: 'JetBrains Mono', monospace;
    font-size: 4.5rem;
    font-weight: 700;
    display: block;
    text-decoration: none;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.3s;
}

.big-email:hover {
    transform: scale(1.02);
    text-shadow: 0 0 30px rgba(123, 62, 188, 0.5);
}

.location-tag {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* --- RESPONSIVENESS --- */
@media (max-width: 768px) {
    .hero { 
        grid-template-columns: 1fr; 
        text-align: center; 
    }
    
    .process-grid, 
    .services-grid-large { 
        grid-template-columns: 1fr !important; 
    }
    
    h1 { 
        font-size: 2.8rem; 
    }
    
    .big-email { 
        font-size: 2rem; 
        word-break: break-all; 
    }
    
    .hero { 
        padding: 40px 0; 
    }
    
    .process-section, 
    .services-expanded, 
    .contact-section { 
        padding: 60px 0; 
    }
    
    .nav-btn { 
        padding: 8px 12px; 
        font-size: 0.75rem; 
    }
    
    .header-actions { 
        gap: 8px; 
    }
    
    .dropbtn { 
        padding: 8px 10px; 
        font-size: 0.85rem; 
    }
    
    .dropdown-content { 
        min-width: 130px; 
    }
    
    .logo-img { 
        height: 24px; 
    }
    
    .header-content { 
        padding: 10px 12px; 
    }
    
    /* Dashboard widget mobile adjustments */
    .dashboard-card {
        padding: 15px;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .bar-chart {
        gap: 6px;
        padding-left: 0;
        padding-right: 0;
    }
    
    .bar-wrapper {
        min-width: 0;
    }
    
    .dashboard-header {
        margin-bottom: 15px;
        padding-bottom: 12px;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .dashboard-title {
        font-size: 0.95rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .metric-item {
        padding: 0;
    }
    
    .metric-value {
        font-size: 1.5rem;
    }
    
    .metric-label {
        font-size: 0.7rem;
        margin-bottom: 6px;
    }
    
    .metric-change {
        font-size: 0.7rem;
    }
    
    .chart-section {
        margin-top: 15px;
    }
    
    .chart-title {
        font-size: 0.75rem;
        margin-bottom: 12px;
    }
    
    .bar-chart {
        height: 100px;
        gap: 8px;
    }
    
    .bar-label {
        font-size: 0.65rem;
    }
}

/* Extra small screens (iPhone 14 Pro, etc.) */
@media (max-width: 430px) {
    .logo-img { 
        height: 22px; 
    }
    
    .header-content { 
        padding: 10px 10px; 
    }
    
    .nav-btn { 
        padding: 7px 10px; 
        font-size: 0.7rem; 
        white-space: normal; 
    }
    
    .dropbtn { 
        padding: 7px 9px; 
        font-size: 0.8rem; 
    }
    
    .header-actions { 
        gap: 6px; 
    }
    
    /* Dashboard widget extra small screen adjustments */
    .dashboard-card {
        padding: 12px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .bar-chart {
        gap: 4px;
    }
    
    .bar-wrapper {
        min-width: 0;
        flex: 1 1 0;
    }
    
    .bar-label {
        font-size: 0.6rem;
    }
    
    .dashboard-header {
        margin-bottom: 12px;
        padding-bottom: 10px;
    }
    
    .dashboard-title {
        font-size: 0.85rem;
    }
    
    .metrics-grid {
        gap: 12px;
        margin-bottom: 15px;
    }
    
    .metric-item {
        padding: 0;
    }
    
    .metric-value {
        font-size: 1.3rem;
    }
    
    .metric-label {
        font-size: 0.65rem;
        margin-bottom: 5px;
    }
    
    .metric-change {
        font-size: 0.65rem;
    }
    
    .chart-section {
        margin-top: 12px;
    }
    
    .chart-title {
        font-size: 0.7rem;
        margin-bottom: 10px;
    }
    
    .bar-chart {
        height: 80px;
        gap: 6px;
    }
    
    .bar-label {
        font-size: 0.6rem;
    }
}