:root {
    --bg-color: #0f0f11;
    --surface-color: #18181b;
    --surface-hover: #27272a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-height: 80px;
    --border-radius: 16px;
    --transition-speed: 0.3s;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-speed);
}

ul {
    list-style: none;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

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

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(15, 15, 17, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    display: flex;
    align-items: center;
    height: 100%;
    width: 100%;
    padding: 0 40px;
    position: relative;
}

.navigation {
    z-index: 20;
}

.header-slogan {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
    font-style: italic;
    white-space: nowrap;
    z-index: 10;
}

/* Menu */
#menu__toggle {
    display: none;
}

.menu__btn {
    display: flex;
    align-items: center;
    position: relative;
    width: 30px;
    height: 30px;
    cursor: pointer;
    z-index: 2000;
}

.menu__btn > span,
.menu__btn > span::before,
.menu__btn > span::after {
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-speed);
    border-radius: 2px;
}

.menu__btn > span::before { content: ''; top: -8px; }
.menu__btn > span::after { content: ''; top: 8px; }

#menu__toggle:checked ~ .menu__btn > span { transform: rotate(45deg); background-color: var(--text-primary); }
#menu__toggle:checked ~ .menu__btn > span::before { top: 0; transform: rotate(0); opacity: 0; }
#menu__toggle:checked ~ .menu__btn > span::after { top: 0; transform: rotate(90deg); }

.menu__box {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    margin: 0;
    padding: 100px 40px;
    background-color: var(--surface-color);
    box-shadow: 5px 0 30px rgba(0,0,0,0.5);
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1500;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#menu__toggle:checked ~ .menu__box { transform: translateX(0); }

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 1400;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

#menu__toggle:checked ~ .menu-overlay { opacity: 1; visibility: visible; }

.menu__list li { margin-bottom: 20px; }
.menu__item {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
}
.menu__item:hover { color: var(--accent-color); }

.menu__socials {
    display: flex;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.social-link { font-size: 1.5rem; color: var(--text-secondary); }
.social-link:hover { color: var(--text-primary); transform: translateY(-2px); }

/* Main Content & Sections */
main {
    flex-grow: 1;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 100px;
    position: relative;
}

.view-section {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 80px;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Game Cards */
.game-card {
    position: relative;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 80px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid rgba(255,255,255,0.05);
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
    border-color: rgba(255,255,255,0.1);
}

.game-card__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.45;
    filter: blur(2px);
    transition: opacity 0.5s ease, filter 0.5s ease;
    z-index: 0;
}

.game-card:hover .game-card__bg { opacity: 0.6; filter: blur(0px); }

.game-card__content {
    position: relative;
    z-index: 1;
    display: flex;
    padding: 40px;
    gap: 60px;
    align-items: center;
    background: linear-gradient(90deg, rgba(24,24,27,0.9) 0%, rgba(24,24,27,0.7) 100%);
}

.game-card__visual { flex-shrink: 0; width: 220px; }
.game-thumbnail {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.game-card:hover .game-thumbnail { transform: scale(1.05) rotate(-2deg); }

.game-card__info { flex-grow: 1; text-shadow: 0 2px 4px rgba(0,0,0,0.8); }
.game-title { font-size: 3rem; font-weight: 800; line-height: 1; margin-bottom: 5px; text-transform: uppercase; letter-spacing: -1px; }
.game-subtitle { font-size: 1.25rem; color: var(--accent-color); font-weight: 600; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.game-description { font-size: 1.1rem; color: #ddd; margin-bottom: 40px; max-width: 600px; }

.store-buttons { display: flex; flex-wrap: wrap; gap: 16px; }
.store-btn { display: block; height: 60px; transition: transform 0.2s, filter 0.2s; }
.store-btn img { height: 100%; width: auto; border-radius: 8px; }
.store-btn:hover { transform: translateY(-3px); filter: brightness(1.1); }

/* Contact Section */
.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h2 { font-size: 2.5rem; margin-bottom: 20px; }
.contact-desc { color: var(--text-secondary); margin-bottom: 40px; font-size: 1.1rem; }
.contact-methods { display: flex; flex-direction: column; gap: 20px; }
.contact-method {
    display: flex; align-items: center; gap: 15px; font-size: 1.2rem;
    padding: 20px; background: var(--surface-color);
    border-radius: 12px; border: 1px solid rgba(255,255,255,0.05);
}
.contact-method i { color: var(--accent-color); }

.contact-form-wrapper {
    background: var(--surface-color); padding: 40px;
    border-radius: var(--border-radius); border: 1px solid rgba(255,255,255,0.05);
}

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text-secondary); font-size: 0.9rem; }
.form-control {
    width: 100%; padding: 15px; background: var(--bg-color);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;
    color: var(--text-primary); font-family: var(--font-main);
    font-size: 1rem; transition: border-color 0.3s;
}
.form-control:focus { outline: none; border-color: var(--accent-color); }
textarea.form-control { resize: vertical; min-height: 120px; }

.submit-btn {
    width: 100%; padding: 15px; background: var(--accent-color); color: white;
    border: none; border-radius: 8px; font-size: 1rem; font-weight: 600;
    cursor: pointer; transition: background 0.3s, transform 0.2s;
    position: relative; display: flex; justify-content: center; align-items: center;
}
.submit-btn:hover { background: #4f46e5; transform: translateY(-2px); }

.btn-loader {
    display: none; position: absolute; width: 20px; height: 20px;
    border: 2px solid rgba(255,255,255,0.3); border-radius: 50%;
    border-top-color: #ffffff; animation: spin 0.8s linear infinite;
}

/* Notifications */
.notification {
    position: fixed; bottom: 30px; right: 30px;
    background: var(--surface-color); border: 1px solid rgba(255,255,255,0.1);
    border-left: 4px solid #10b981; border-radius: 12px; padding: 20px;
    display: flex; align-items: flex-start; gap: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6); z-index: 10000;
    transform: translateX(150%); transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 400px;
}
.notification.show { transform: translateX(0); }
.notification-icon {
    background: rgba(16, 185, 129, 0.1); color: #10b981;
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.notification-body h4 { font-size: 1rem; margin-bottom: 4px; color: var(--text-primary); }
.notification-body p { font-size: 0.9rem; color: var(--text-secondary); margin: 0; }

/* Footer */
.site-footer {
    background-color: #050507; padding: 40px;
    margin-top: auto; border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.footer-logo img { height: 40px; filter: grayscale(100%); transition: 0.3s; opacity: 0.6; }
.footer-logo:hover img { filter: grayscale(0%); opacity: 1; }
.footer-info { text-align: center; position: absolute; left: 50%; transform: translateX(-50%); }
.company-name { font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.copyright { font-size: 0.85rem; color: var(--text-secondary); }
.footer-credits { font-size: 0.85rem; color: var(--text-secondary); }

/* Loading Overlay */
#loading-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-color); z-index: 9999;
    display: flex; justify-content: center; align-items: center;
    animation: fadeOutOverlay 0.8s ease-out 1s forwards; pointer-events: none;
}
#loading-circle {
    width: 40px; height: 40px; border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent-color); border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 404 Specific */
.error-content {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 60vh; text-align: center; padding: 40px 0;
}
.error-code {
    font-size: 12rem; font-weight: 900; line-height: 1; color: transparent;
    -webkit-text-stroke: 2px var(--accent-color); opacity: 0.5;
    margin-bottom: -20px; position: relative; z-index: 0; user-select: none;
}
.error-title {
    font-size: 3rem; font-weight: 800; text-transform: uppercase; color: var(--text-primary);
    margin-bottom: 20px; position: relative; z-index: 1; text-shadow: 0 10px 20px var(--bg-color);
}
.error-message { font-size: 1.2rem; color: var(--text-secondary); max-width: 500px; margin-bottom: 40px; }
.error-btn {
    display: inline-flex; align-items: center; gap: 10px; padding: 15px 30px;
    background-color: var(--accent-color); color: #ffffff; font-weight: 600;
    border-radius: 50px; transition: 0.3s ease; box-shadow: 0 0 20px var(--accent-glow);
}
.error-btn:hover { transform: translateY(-3px); box-shadow: 0 0 30px var(--accent-glow); background-color: #4f46e5; }

/* Media Queries */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeOutOverlay { to { opacity: 0; visibility: hidden; } }

@media (max-width: 992px) {
    .contact-section { grid-template-columns: 1fr; }
    .header-slogan { display: none; }
    .footer-info { position: static; transform: none; order: 2; margin: 20px 0; }
    .footer-container { flex-direction: column; }
    .footer-logo { order: 1; }
    .footer-credits { order: 3; }
}

@media (max-width: 768px) {
    .header-container { padding: 0 20px; }
    .section-title { font-size: 2rem; margin-bottom: 40px; }
    .game-card__content { flex-direction: column; text-align: center; padding: 40px 20px; gap: 30px; }
    .game-card__visual { width: 160px; }
    .game-title { font-size: 2.2rem; }
    .game-subtitle { font-size: 1rem; }
    .store-buttons { justify-content: center; }
    .store-btn { height: 50px; }
    .site-footer { padding: 30px 20px; }
    .notification { right: 20px; left: 20px; bottom: 20px; width: auto; }
    .error-code { font-size: 8rem; }
    .error-title { font-size: 2rem; }
}