/* --- Basic Setup & Variables --- */
:root {
    --bg-color: #080a0b; /* Very Dark Grey */
    --primary-text: #d5d5d5;
    --accent-green: #33ff66; /* HUD Green */
    --accent-amber: #ffb833; /* HUD Amber */
    --card-bg: #1c1f22;
    --border-color: rgba(51, 255, 102, 0.3); /* Green border */
    --font-primary: 'Chakra Petch', sans-serif;
    --font-display: 'Orbitron', sans-serif;
}

html {
    scroll-padding-top: 80px; /* Offset for fixed header when scrolling to anchors */
}

body {
    background-color: var(--bg-color);
    background-image: url('https://www.transparenttextures.com/patterns/clean-gray-paper.png');
    color: var(--primary-text);
    font-family: var(--font-primary);
    margin: 0;
    overflow-x: hidden;
    font-weight: 500;
}

/* --- Header & Navigation --- */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(8, 10, 11, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--border-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    flex-wrap: wrap;
}

.logo-img {
    height: 35px;
    display: block;
    filter: brightness(0.9) saturate(0.8);
    transition: filter 0.3s ease;
}
.logo-img:hover {
    filter: brightness(1.1) saturate(1);
}

#live-datetime-container {
    color: var(--accent-green);
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
    margin-left: auto;
    margin-right: 2rem;
    font-family: var(--font-display);
    text-shadow: 0 0 5px rgba(51, 255, 102, 0.5);
    background: #111;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.nav-wrapper ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2rem;
}

.nav-wrapper ul li a {
    color: var(--primary-text);
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-display);
    position: relative;
    padding: 5px 10px;
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-wrapper ul li a:hover {
    color: var(--accent-green);
    text-shadow: 0 0 8px rgba(51, 255, 102, 0.7);
}

.nav-wrapper ul li a::before,
.nav-wrapper ul li a::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    opacity: 0;
    transition: all 0.3s ease-out;
}

.nav-wrapper ul li a::before {
    top: -2px; left: -5px;
    border-top: 2px solid var(--accent-green);
    border-left: 2px solid var(--accent-green);
}
.nav-wrapper ul li a::after {
    bottom: -2px; right: -5px;
    border-bottom: 2px solid var(--accent-green);
    border-right: 2px solid var(--accent-green);
}

.nav-wrapper ul li a:hover::before,
.nav-wrapper ul li a:hover::after {
    opacity: 1;
}

/* --- Hamburger Menu (Hidden on Desktop) --- */
.menu-toggle { display: none; }

/* --- Hero Section --- */
.hero {
    background-image: linear-gradient(rgba(8, 10, 11, 0.8), rgba(8, 10, 11, 1)), url('https://cfw.sarna.net/news/wp-content/uploads/2019/05/MechWarrior-2-Cover.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1.5rem;
    margin-top: 67px;
    border-bottom: 2px solid var(--border-color);
}

.hero-logo-img {
    max-width: min(80%, 700px);
    height: auto;
    margin-bottom: 2.5rem;
    animation: text-flicker 4s linear infinite;
}

.release-date {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--accent-amber);
    letter-spacing: 1px;
    text-shadow: 0 0 10px var(--accent-amber);
}

@keyframes text-flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% { text-shadow: 0 0 4px var(--accent-amber), 0 0 11px var(--accent-amber), 0 0 19px var(--accent-amber), 0 0 40px #ff9000, 0 0 80px #ff6000, 0 0 90px #ff3000; opacity: 0.99; }
    20%, 24%, 55% { text-shadow: none; opacity: 0.4; }
}

/* --- General Content Section --- */
.content-section { max-width: 1200px; margin: 0 auto; padding: 6rem 2rem; text-align: center; border-bottom: 1px solid var(--border-color); }
.content-section:last-of-type { border-bottom: none; }
.content-section h2 { font-size: 3rem; font-weight: 700; margin-bottom: 3rem; color: var(--accent-green); font-family: var(--font-display); text-transform: uppercase; letter-spacing: 2px; text-shadow: 0 0 10px rgba(51, 255, 102, 0.5); }

/* --- Story Section --- */
.story-content { text-align: left; max-width: 800px; margin: 0 auto; font-size: 1.2rem; line-height: 1.8; }
.story-text { margin-bottom: 2rem; }
.story-text h3 { color: var(--accent-amber); margin-bottom: 1rem; font-family: var(--font-display); font-size: 1.6rem; }

/* --- Game Details Section --- */
.game-details { background-color: var(--card-bg); border: 1px solid var(--border-color); padding: 2.5rem; text-align: left; max-width: 800px; margin: 0 auto; box-shadow: inset 0 0 15px rgba(51, 255, 102, 0.1); }
.game-details ul { list-style: none; padding: 0; margin: 0; }
.game-details ul li { padding: 0.8rem 0; border-bottom: 1px solid #333; font-size: 1.1rem; }
.game-details ul li:last-child { border-bottom: none; }
.game-details ul li strong { color: var(--accent-green); margin-right: 1rem; display: inline-block; width: 180px; text-transform: uppercase; }

/* --- Trailer & Gallery Sections --- */
.video-container, .art-container { display: inline-block; background: #000; border: 2px solid var(--border-color); box-shadow: 0 0 20px rgba(51, 255, 102, 0.3); line-height: 0; overflow: hidden; transition: box-shadow 0.3s ease; }
.video-container video, .art-container img { display: block; max-width: 100%; height: auto; }
.art-container { cursor: pointer; }
.art-container:hover { box-shadow: 0 0 50px rgba(51, 255, 102, 0.5); }

/* --- Grid Section (Clans & Mechs) --- */
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-card { background-color: var(--card-bg); border: 1px solid var(--border-color); display: flex; flex-direction: column; justify-content: space-between; align-items: center; transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease; cursor: pointer; overflow: hidden; position: relative; }
.grid-card:hover { transform: translateY(-5px); border-color: var(--accent-green); box-shadow: 0 0 20px rgba(51, 255, 102, 0.5); }
.card-image-container { width: 100%; aspect-ratio: 4 / 3; background-color: #050505; overflow: hidden; }
.card-image-container img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.grid-card:hover .card-image-container img { transform: scale(1.05); }
.card-content { padding: 1.5rem; width: 100%; text-align: left; }
.card-content p { margin: 0; font-size: 1.4rem; font-weight: 700; font-family: var(--font-display); color: var(--accent-amber); text-transform: uppercase; }

/* --- Scroll Animation & Footer --- */
.hidden { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.hidden.visible { opacity: 1; transform: translateY(0); }
footer { border-top: 2px solid var(--border-color); padding: 2rem; text-align: center; }
footer img { height: 30px; opacity: 0.6; filter: grayscale(100%) brightness(1.5); transition: all 0.3s ease; }
footer img:hover { opacity: 1; filter: grayscale(0) brightness(1); }

/* --- Language & Intro Screens --- */
#language-selector-screen, #intro-video-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--bg-color); display: flex; flex-direction: column; justify-content: center; align-items: center; z-index: 200; text-align: center; padding: 1rem; }
.language-selector-content h1 { font-size: 2rem; font-family: var(--font-display); color: var(--accent-amber); margin-bottom: 2rem; }
.language-buttons { display: flex; flex-direction: column; gap: 1rem; width: 100%; max-width: 300px; }
.language-buttons .lang-btn { background: transparent; border: 2px solid var(--accent-amber); color: var(--primary-text); padding: 1rem; font-size: 1.2rem; font-weight: 700; cursor: pointer; transition: background-color 0.3s, color 0.3s; font-family: var(--font-display); }
.language-buttons .lang-btn:hover { background-color: var(--accent-amber); color: var(--bg-color); }
#intro-video-container { z-index: 199; visibility: hidden; opacity: 0; transition: opacity 0.3s ease; }
#intro-video-container.is-visible { visibility: visible; opacity: 1; }
#intro-video { width: auto; height: auto; max-width: 100%; max-height: 100%; }

/* --- Details Modal --- */
#details-modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.85); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 1; visibility: visible; transition: opacity 0.3s ease, visibility 0.3s ease; padding: 1rem; }
#details-modal-overlay.modal-hidden { opacity: 0; visibility: hidden; }
#details-modal-content { background-color: var(--card-bg); padding: 2rem; border: 2px solid var(--border-color); text-align: center; max-width: 95%; width: 700px; position: relative; transform: scale(1); transition: transform 0.3s ease; max-height: 90vh; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--accent-green) var(--card-bg); box-shadow: 0 0 30px rgba(51, 255, 102, 0.3); }
#details-modal-overlay.modal-hidden #details-modal-content { transform: scale(0.9); }
#modal-close-btn { position: absolute; top: 10px; right: 20px; font-size: 2.5rem; color: var(--primary-text); cursor: pointer; line-height: 1; transition: all 0.3s ease; }
#modal-close-btn:hover { color: var(--accent-amber); transform: rotate(90deg); }
#modal-image { max-width: 100%; height: auto; max-height: 300px; object-fit: contain; margin-bottom: 1.5rem; border: 1px solid var(--border-color); }
#modal-title { color: var(--accent-green); font-size: 2.2rem; margin: 0 0 1rem 0; font-family: var(--font-display); text-transform: uppercase; }
#modal-details { color: var(--primary-text); font-size: 1.1rem; margin: 0; text-align: left; line-height: 1.7; }
#modal-details strong { color: var(--accent-amber); }
#modal-back-to-top { position: absolute; bottom: 20px; right: 20px; width: 40px; height: 40px; background-color: var(--accent-green); color: var(--bg-color); border: none; border-radius: 50%; font-size: 1.5rem; font-weight: bold; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease; transform: translateY(10px); z-index: 1001; }
#modal-back-to-top.visible { opacity: 0.9; visibility: visible; transform: translateY(0); }
#modal-back-to-top:hover { opacity: 1; }

/* ================================================= */
/* --- RESPONSIVE DESIGN FOR TABLETS AND MOBILE --- */
/* ================================================= */

/* --- Tablet Devices (e.g., iPads) --- */
@media (max-width: 992px) {
    .nav-wrapper ul { gap: 1rem; }
    .nav-wrapper ul li a { font-size: 0.8rem; padding: 5px; }
    #live-datetime-container { font-size: 0.8rem; margin-right: 1rem; }
    .content-section h2 { font-size: 2.5rem; }
    .hero-logo-img { max-width: min(85%, 600px); }
    .release-date { font-size: 1.3rem; }
    .story-content { font-size: 1.1rem; }
}

/* --- Mobile Devices (e.g., iPhones, Android Phones) --- */
@media (max-width: 768px) {
    html { scroll-padding-top: 65px; } /* Adjust for smaller header */

    /* --- Improved Mobile Navigation --- */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 25px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1101; /* Above the nav wrapper */
    }
    .menu-toggle .bar {
        width: 100%;
        height: 3px;
        background-color: var(--primary-text);
        border-radius: 2px;
        transition: all 0.3s ease-in-out;
        transform-origin: center;
    }
    .menu-toggle.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .nav-wrapper {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(8, 10, 11, 0.95);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        clip-path: circle(0% at 100% 0);
        transition: clip-path 0.5s ease-in-out;
        z-index: 1100;
    }
    .nav-wrapper.active {
        clip-path: circle(150% at 100% 0);
    }
    .nav-wrapper ul {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
    }
    .nav-wrapper ul li a {
        font-size: 1.5rem;
    }
    .nav-wrapper ul li a:hover,
    .nav-wrapper ul li a:hover::before,
    .nav-wrapper ul li a:hover::after {
        opacity: 1; /* Make hover effects visible on tap */
    }

    #live-datetime-container {
        display: none; /* Hide clock from header to save space */
    }
    
    /* --- Optimized Content Sections for Mobile --- */
    .hero { margin-top: 67px; }
    .content-section { padding: 4rem 1rem; }
    .content-section h2 { font-size: 2.2rem; }
    .hero-logo-img { max-width: 90%; }
    .release-date { font-size: 1.1rem; }

    .story-content { font-size: 1rem; }
    .story-text h3 { font-size: 1.4rem; }

    .game-details { padding: 1.5rem; }
    .game-details ul li { font-size: 1rem; }
    .game-details ul li strong { display: block; width: auto; margin-bottom: 0.25rem; }

    /* --- Language Screen on Mobile --- */
    .language-selector-content h1 { font-size: 1.5rem; }
    .language-buttons { flex-direction: row; justify-content: center; }

    /* --- Modal on Mobile --- */
    #modal-title { font-size: 1.8rem; }
    #modal-details { font-size: 1rem; }
}