/* ===== DUKE NUKEM GRITTY URBAN STYLE ===== */
/* Authentic Duke 3D textures and atmosphere */

/* ===== HOLLYWOOD HOLOCAUST BACKGROUND ===== */
.duke-city-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('../images/bg-pic.jpg') center center no-repeat;
    background-size: cover;
    background-attachment: fixed;
    filter: brightness(0.45) saturate(0.9);
    pointer-events: none;
}

/* ===== GRITTY BACKGROUND LAYERS ===== */
.gritty-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
    background:
        /* Dark vignette overlay */
        radial-gradient(ellipse at center, transparent 30%, rgba(0, 0, 0, 0.7) 100%),
        /* Subtle noise grain */
        url('../images/stone-wall.png');
    background-size: cover, 128px 128px;
    image-rendering: pixelated;
    opacity: 0.15;
    pointer-events: none;
}

/* Brick wall texture overlay for sections */
.gritty-texture-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: url('../images/gritty-wall.png');
    background-size: 64px 64px;
    image-rendering: pixelated;
    opacity: 0.08;
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* Metal grime layer */
.metal-grime-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('../images/metal-texture.png');
    background-size: 64px 64px;
    image-rendering: pixelated;
    opacity: 0.05;
    pointer-events: none;
    mix-blend-mode: multiply;
}

/* ===== BODY GRITTY STYLING ===== */
body {
    background: transparent;
    /* Let the .duke-city-bg show through */
}

/* ===== GRITTY SECTION BACKGROUNDS ===== */
.section {
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/dark-concrete.png');
    background-size: 32px 32px;
    image-rendering: pixelated;
    opacity: 0.06;
    pointer-events: none;
    z-index: -1;
}

/* ===== GRITTY FEATURE CARDS ===== */
.feature-card {
    position: relative;
    background:
        linear-gradient(180deg, rgba(25, 25, 40, 0.95) 0%, rgba(10, 10, 20, 0.98) 100%);
    border: 2px solid #3a3a50;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3),
        0 4px 20px rgba(0, 0, 0, 0.5);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/gritty-wall.png');
    background-size: 64px 64px;
    image-rendering: pixelated;
    opacity: 0.08;
    pointer-events: none;
    border-radius: inherit;
}

/* ===== GRITTY NAV BAR ===== */
.nav-bar {
    background:
        linear-gradient(180deg, #1a1a28 0%, #0e0e1a 100%);
    border-bottom: 3px solid #4a3a20;
    box-shadow:
        0 2px 10px rgba(0, 0, 0, 0.8),
        inset 0 -1px 0 rgba(192, 144, 48, 0.3);
}

/* ===== GRITTY STAT BOXES ===== */
.stat-box {
    background:
        linear-gradient(180deg, rgba(20, 20, 35, 0.95) 0%, rgba(8, 8, 16, 0.98) 100%);
    border: 2px solid #4a3a30;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.03),
        0 4px 15px rgba(0, 0, 0, 0.6);
    position: relative;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/rust-metal.png');
    background-size: 32px 32px;
    image-rendering: pixelated;
    opacity: 0.1;
    pointer-events: none;
}

/* ===== GRITTY TABLE ===== */
.weapons-table {
    border-collapse: collapse;
    background: rgba(10, 10, 20, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.weapons-table th {
    background:
        linear-gradient(180deg, #2a2a40 0%, #1a1a28 100%);
    border: 1px solid #3a3a50;
}

.weapons-table td {
    border: 1px solid #2a2a3a;
    background: rgba(15, 15, 25, 0.8);
}

.weapons-table tr:hover td {
    background: rgba(80, 60, 30, 0.3);
}

/* ===== GRITTY DEATHMATCH SECTION ===== */
.deathmatch-section {
    background:
        linear-gradient(180deg,
            rgba(50, 20, 20, 0.3) 0%,
            transparent 30%,
            transparent 70%,
            rgba(50, 20, 20, 0.3) 100%
        );
    position: relative;
}

.deathmatch-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/stone-wall.png');
    background-size: 128px 128px;
    image-rendering: pixelated;
    opacity: 0.05;
    pointer-events: none;
}

/* ===== GRITTY COMPETITOR CARDS ===== */
.competitor-card {
    background:
        linear-gradient(180deg, rgba(20, 20, 35, 0.95) 0%, rgba(8, 8, 16, 0.98) 100%);
    border: 3px solid #3a3a4a;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 5px 25px rgba(0, 0, 0, 0.7);
    position: relative;
}

.competitor-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/metal-texture.png');
    background-size: 64px 64px;
    image-rendering: pixelated;
    opacity: 0.1;
    pointer-events: none;
}

/* ===== GRITTY BOSS SECTION ===== */
.boss-section {
    background:
        linear-gradient(180deg,
            #120808 0%,
            #0a0a14 30%,
            #0a0a14 70%,
            #120808 100%
        );
    position: relative;
}

.boss-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        url('../images/gritty-wall.png'),
        radial-gradient(ellipse at center, transparent 40%, rgba(100, 20, 20, 0.2) 100%);
    background-size: 64px 64px, cover;
    image-rendering: pixelated;
    opacity: 0.1;
    pointer-events: none;
}

/* ===== GRITTY CTA SECTION ===== */
.cta-section {
    background:
        linear-gradient(180deg,
            rgba(80, 40, 20, 0.15) 0%,
            transparent 50%,
            rgba(80, 40, 20, 0.15) 100%
        );
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/dark-concrete.png');
    background-size: 32px 32px;
    image-rendering: pixelated;
    opacity: 0.08;
    pointer-events: none;
}

/* ===== GRITTY BUTTONS ===== */
.big-cta, .feature-link, .boss-button {
    position: relative;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    box-shadow:
        0 4px 0 #662200,
        0 6px 20px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.big-cta:hover, .feature-link:hover, .boss-button:hover {
    box-shadow:
        0 4px 0 #662200,
        0 6px 30px rgba(255, 100, 50, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* ===== GRITTY HERO SECTION ===== */
.hero {
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/stone-wall.png');
    background-size: 128px 128px;
    image-rendering: pixelated;
    opacity: 0.04;
    pointer-events: none;
    z-index: 0;
}

.hero > * {
    position: relative;
    z-index: 1;
}

/* ===== GRITTY FOOTER ===== */
.footer {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
    border-top: 1px solid #2a2a3a;
}

/* ===== SCANLINES ENHANCEMENT ===== */
.crt-overlay {
    background:
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.35),
            rgba(0, 0, 0, 0.35) 1px,
            transparent 1px,
            transparent 2px
        );
    opacity: 0.75;
}

/* ===== ENHANCED VIGNETTE ===== */
.vignette {
    background:
        radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.6) 100%);
}

/* ===== GRITTY CITY SILHOUETTE ===== */
.city-silhouette {
    opacity: 0.4;
    filter: brightness(0.7) contrast(1.2);
}

/* ===== GRITTY DIVIDERS ===== */
.mighty-boot-divider {
    position: relative;
}

.boot-divider-line {
    background:
        linear-gradient(90deg,
            transparent,
            #5a4020,
            #8a6030,
            #5a4020,
            transparent
        );
    height: 3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ===== GRITTY HUD ===== */
.duke-hud {
    background:
        linear-gradient(180deg, #404048 0%, #2a2a30 50%, #1a1a20 100%) !important;
    box-shadow:
        inset 0 2px 0 rgba(255,255,255,0.08),
        0 -4px 30px rgba(0, 0, 0, 0.95) !important;
}

.hud-section {
    background:
        linear-gradient(180deg, #3a3a42 0%, #252530 50%, #18181e 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

/* ===== NOISE ANIMATION (subtle) ===== */
@keyframes noiseShift {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}

.gritty-bg {
    animation: noiseShift 30s linear infinite;
}

/* ===== FLICKERING NEON EFFECT ===== */
@keyframes neonFlicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.8; }
    94% { opacity: 1; }
    95% { opacity: 0.9; }
    96% { opacity: 1; }
}

.hero-title {
    animation: neonFlicker 4s ease-in-out infinite;
}