/* CSS Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #0a0e17;
    --primary-blue: #40c4ff;
    --dark-blue: #0d47a1;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(25, 33, 48, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Montserrat', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Ambient Background */
.ambient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-image: url('battleship_bg.png');
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.ambient-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3),
        rgba(0, 0, 0, 0.7)
    );
}

@keyframes drift {
    from { background-position: 0 0; }
    to { background-position: 100% 100%; }
}

/* Layout */
.content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4rem 0 6rem 0;
    width: 100%;
}

.target-container {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.target-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-blue);
    border-radius: 50%;
    filter: blur(25px);
    opacity: 0.5;
    animation: pulse 2s infinite alternate;
}

.target-icon {
    font-size: 4.5rem;
    color: var(--primary-blue);
    z-index: 1;
    text-shadow: 0 0 20px rgba(64, 196, 255, 0.8);
    background: -webkit-linear-gradient(top, #ffffff, #607d8b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes pulse {
    0% { opacity: 0.3; transform: scale(0.95); }
    100% { opacity: 0.7; transform: scale(1.1); }
}

.main-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    letter-spacing: 4px;
    line-height: 1;
    background: linear-gradient(180deg, #ffffff 0%, #b0bec5 60%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(64, 196, 255, 0.3);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 8px;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 3rem;
}

/* Download Button */
.download-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, rgba(64, 196, 255, 0.2), rgba(13, 71, 161, 0.4));
    border: 1px solid rgba(64, 196, 255, 0.5);
    border-radius: 12px;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 1px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(64, 196, 255, 0.3);
    border-color: var(--primary-blue);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: skewX(-25deg);
}

.download-btn:hover .btn-glow {
    animation: shine 1.5s infinite;
}

@keyframes shine {
    100% { left: 200%; }
}

/* Features & Info Sections */
.game-modes, .info-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.info-section {
    margin-top: 5rem;
}

.section-description {
    color: var(--text-muted);
    text-align: center;
    max-width: 800px;
    margin-bottom: 3rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin-bottom: 2.5rem;
    color: var(--primary-blue);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 1200px;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-card:hover {
    transform: translateY(-10px);
    background: rgba(40, 53, 73, 0.5);
    border-color: rgba(64, 196, 255, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), inset 0 0 20px rgba(64, 196, 255, 0.05);
}

.icon-wrapper {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 15px currentColor;
    transition: transform 0.3s ease;
}

.glass-card:hover .icon-wrapper {
    transform: scale(1.1);
}

.mode-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.mode-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Footer */
.glass-footer {
    width: 100%;
    padding: 2rem;
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.legal-links a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

.legal-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.divider {
    margin: 0 0.5rem;
    color: var(--glass-border);
}

/* Legal Pages Overrides */
.legal-container {
    max-width: 800px;
    margin: 4rem auto;
    padding: 3rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.legal-container h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--primary-blue);
    border-bottom: 2px solid var(--glass-border);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.legal-container h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: #ffffff;
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.legal-container p, .legal-container li {
    font-family: var(--font-body);
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.legal-container a {
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.legal-container a:hover {
    color: #ffffff;
    text-decoration: underline;
}

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

@media (max-width: 768px) {
    .modes-grid {
        grid-template-columns: 1fr;
    }
    .main-title {
        font-size: 3.5rem;
    }
    .subtitle {
        font-size: 1rem;
        letter-spacing: 4px;
    }
    .download-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}