:root {
    /* Color Palette - Kira Suite Blue */
    --clr-primary: #004a99;
    --clr-primary-dark: #002d5a;
    --clr-accent: #00d4ff;
    --clr-bg: #030a1a;
    --clr-glass: rgba(255, 255, 255, 0.05);
    --clr-glass-border: rgba(255, 255, 255, 0.1);
    --clr-text: #ffffff;
    --clr-text-dim: #a0aec0;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Spacing & Misc */
    --container-max: 1200px;
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    /* Snappier transitions */
}

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

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

/* Background Animation & Window Theme */
.site-bg {
    background: radial-gradient(circle at 50% 50%, var(--clr-primary-dark) 0%, var(--clr-bg) 100%);
    position: relative;
    /* Removed overflow: hidden to allow scrolling */
}

/* Window Frame Grid Overlay */
.site-bg::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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: 15% 33%;
    /* Creates a window pane effect */
    z-index: 0;
    pointer-events: none;
}

/* Shimmer Light Beam Effect */
.site-bg::after {
    content: "";
    position: fixed;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: linear-gradient(45deg,
            transparent 45%,
            rgba(255, 255, 255, 0.03) 48%,
            rgba(255, 255, 255, 0.07) 50%,
            rgba(255, 255, 255, 0.03) 52%,
            transparent 55%);
    animation: lightShimmer 8s linear infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes lightShimmer {
    from {
        transform: translateX(-20%) translateY(-20%);
    }

    to {
        transform: translateX(20%) translateY(20%);
    }
}

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

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-glass-border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
}

.logo-text .accent {
    color: var(--clr-accent);
}

.logo-subtext {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--clr-accent);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-top: -5px;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--clr-glass);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    border: 1px solid var(--clr-glass-border);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--clr-text-dim);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn.active {
    color: var(--clr-accent);
}

.lang-btn:hover {
    color: var(--clr-text);
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 4rem;
    text-align: center;
}

.suite-label {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--clr-accent);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    /* Standard property */
    -webkit-text-fill-color: transparent;
}

#hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-text-dim);
    max-width: 800px;
    margin: 0 auto;
}

/* Language Transition Animation */
.lang-fade {
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}

.lang-hidden {
    opacity: 0;
    transform: translateY(10px);
}

/* Triple-Pane Layout */
.panes-container {
    display: flex;
    gap: 1rem;
    height: 600px;
    margin-bottom: 6rem;
    perspective: 1000px;
}

.pane {
    position: relative;
    flex: 1;
    background: var(--clr-glass);
    border: 1px solid var(--clr-glass-border);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.pane::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 40%, rgba(3, 10, 26, 0.6) 100%);
    z-index: 1;
}

.pane:hover {
    flex: 1.5;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--clr-accent);
    box-shadow: 0 30px 60px -15px rgba(0, 212, 255, 0.2);
}

.pane-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    transition: transform 0.3s ease;
}

.pane:hover .pane-content {
    transform: translateY(-10px);
}

.pane-icon {
    margin-bottom: 2rem;
    color: var(--clr-accent);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.2));
}

.pane h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to bottom, #fff, #ccc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pane p {
    color: var(--clr-text-dim);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 250px;
}

.btn-entry {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--clr-primary);
    border-radius: 50px;
    /* More rounded for "entry" feel */
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pane:hover .btn-entry {
    background: var(--clr-accent);
    color: var(--clr-primary-dark);
    transform: scale(1.05);
}

.pane:active {
    transform: scale(0.98);
}

/* Specific Card BG Effects */
.card-bg {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: var(--clr-accent);
    filter: blur(80px);
    opacity: 0.05;
    transition: var(--transition);
}

.app-card:hover .card-bg {
    opacity: 0.15;
    transform: scale(1.5);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.hero-reveal {
    animation: fadeInUp 1s ease-out;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.fade-in.active {
    animation: fadeInUp 0.8s forwards;
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 3rem 0;
    border-top: 1px solid var(--clr-glass-border);
    color: var(--clr-text-dim);
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--clr-accent);
    text-decoration: none;
    font-weight: 600;
}

.footer-links a:hover {
    text-decoration: underline;
}


/* Responsive */
@media (max-width: 992px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .panes-container {
        height: auto;
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 0;
    }

    .hero-section {
        padding: 5rem 0 3rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .app-card {
        aspect-ratio: 1 / 1;
        padding: 2rem;
    }

    .panes-container {
        padding: 0 1rem;
        gap: 1.5rem;
    }

    .pane {
        width: 100%;
        height: 300px;
        /* Compact height for mobile panels */
        padding: 2.5rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}