/* --- CSS VARIABLES & CUSTOM PROPERTIES --- */
:root {
    --bg-primary: #0b0c10;
    --bg-secondary: #12131c;
    --color-text-main: #f5f6f8;
    --color-text-muted: #a0a5b5;
    
    /* Accents */
    --accent-blue: #00d2ff;
    --accent-blue-rgb: 0, 210, 255;
    --accent-orange: #ff8c00;
    --accent-orange-rgb: 255, 140, 0;

    /* Glassmorphism & Borders */
    --glass-bg: rgba(20, 22, 33, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-glow: rgba(0, 210, 255, 0.05);

    /* Fonts & Radii */
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BASIC STYLES --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scrollbar-color: var(--accent-orange) var(--bg-primary);
    scrollbar-width: thin;
}

body {
    background-color: var(--bg-primary);
    color: var(--color-text-main);
    font-family: var(--font-stack);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- REVEAL ON SCROLL --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.delay-1 {
    transition-delay: 0.15s;
}

/* --- STICKY HEADER --- */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(11, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-main);
}

.nav-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(var(--accent-blue-rgb), 0.4));
    transition: var(--transition-smooth);
}

.logo-group:hover .nav-logo {
    filter: drop-shadow(0 0 14px rgba(var(--accent-orange-rgb), 0.8));
    transform: rotate(5deg) scale(1.05);
}

.logo-text {
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--color-text-main) 30%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- NAVIGATION MENU --- */
.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange));
    transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* --- HAMBURGER BUTTON --- */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    position: relative;
    transition: var(--transition-smooth);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    transition: var(--transition-smooth);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Hamburger open state */
.mobile-nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}
.mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* --- HERO SECTION --- */
.hero-section {
    padding: 80px 0 100px 0;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 24px;
    filter: drop-shadow(0 0 16px rgba(var(--accent-blue-rgb), 0.5));
    animation: floatingGlow 4s ease-in-out infinite alternate;
}

@keyframes floatingGlow {
    0% {
        transform: translateY(0px) scale(1);
        filter: drop-shadow(0 0 16px rgba(var(--accent-blue-rgb), 0.5));
    }
    100% {
        transform: translateY(-8px) scale(1.03);
        filter: drop-shadow(0 0 24px rgba(var(--accent-orange-rgb), 0.7));
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 1px;
    line-height: 1.1;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #ffffff 40%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.6rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #00a2ff);
    color: #030712;
    box-shadow: 0 4px 14px rgba(var(--accent-blue-rgb), 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(var(--accent-blue-rgb), 0.55);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-main);
    border-color: var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-orange);
    transform: translateY(-3px);
}

/* Hero Banner Panel */
.hero-media {
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    background: var(--glass-bg);
}

.banner-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 30px rgba(var(--accent-blue-rgb), 0.15);
    pointer-events: none;
}

.hero-banner {
    display: block;
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.banner-wrapper:hover .hero-banner {
    transform: scale(1.02);
}

/* --- GLASS CONTAINER CLASS --- */
.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 0 20px var(--glass-glow);
}

/* --- ABOUT SECTION --- */
.about-section {
    padding: 80px 0;
}

.section-card {
    padding: 48px;
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #ffffff 40%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-text {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- GAME SECTION --- */
.game-section {
    padding: 80px 0;
}

.game-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px;
    border-radius: var(--radius-lg);
    align-items: center;
}

.badge {
    display: inline-block;
    background: rgba(var(--accent-orange-rgb), 0.12);
    border: 1px solid rgba(var(--accent-orange-rgb), 0.3);
    color: var(--accent-orange);
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 50px;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.game-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.game-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.btn-game {
    box-shadow: 0 4px 14px rgba(var(--accent-orange-rgb), 0.25);
    background: linear-gradient(135deg, var(--accent-orange), #e07b00);
    color: #ffffff;
}

.btn-game:hover {
    box-shadow: 0 6px 20px rgba(var(--accent-orange-rgb), 0.45);
}

.features-title {
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--accent-blue);
    font-weight: 700;
}

.features-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
    color: var(--color-text-main);
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-orange);
    flex-shrink: 0;
}

/* --- CONTACT SECTION --- */
.contact-section {
    padding: 80px 0 100px 0;
}

.contact-card {
    padding: 54px;
    border-radius: var(--radius-lg);
    max-width: 900px;
    margin: 0 auto;
}

.contact-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
}

.contact-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.contact-icon-wrapper svg {
    width: 24px;
    height: 24px;
}

/* Glowing classes for interactive elements */
.blue-glow svg { color: var(--accent-blue); }
.orange-glow svg { color: var(--accent-orange); }

.contact-item:hover .contact-icon-wrapper.blue-glow {
    background: rgba(var(--accent-blue-rgb), 0.15);
    box-shadow: 0 0 16px rgba(var(--accent-blue-rgb), 0.4);
}

.contact-item:hover .contact-icon-wrapper.orange-glow {
    background: rgba(var(--accent-orange-rgb), 0.15);
    box-shadow: 0 0 16px rgba(var(--accent-orange-rgb), 0.4);
}

.contact-item h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
    font-weight: 700;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.btn-contact {
    min-width: 200px;
}

.text-center {
    text-align: center;
}

/* --- FOOTER --- */
.site-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(var(--accent-blue-rgb), 0.3));
}

.site-footer p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* --- RESPONSIVE DESIGN (MOBILE FIRST) --- */

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-brand {
        align-items: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .game-layout {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 768px) {
    /* Responsive Hamburger Navigation Drawer */
    .mobile-nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 73px; /* Header height offset */
        left: 0;
        width: 100%;
        height: calc(100vh - 73px);
        background: rgba(11, 12, 16, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--glass-border);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
        pointer-events: none;
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100%;
        gap: 40px;
    }

    .nav-link {
        font-size: 1.3rem;
    }

    /* Adjust typography rules */
    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .game-title {
        font-size: 1.8rem;
    }

    .features-list {
        grid-template-columns: 1fr;
    }

    .section-card {
        padding: 32px 20px;
    }

    .contact-card {
        padding: 32px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .btn {
        width: 100%;
    }
}