/* --- Modern Base Styles & Reset --- */
:root {
    --bg-color: #0d0d12;
    --surface-color: rgba(25, 25, 30, 0.6);
    --surface-border: rgba(255, 255, 255, 0.08);
    --accent-red: #ff2a40;
    --accent-glow: rgba(255, 42, 64, 0.3);
    --text-main: #e2e2e8;
    --text-muted: #a0a0ab;
    --font-heading: 'Merriweather', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--text-main);
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 50% 0%, #201015 0%, var(--bg-color) 70%);
    background-attachment: fixed;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: #ffffff;
    line-height: 1.3;
}

p { margin-bottom: 1.2rem; }

/* --- Layout --- */
.container { 
    width: 90%; 
    max-width: 1280px; 
    margin: 0 auto; 
    padding: 2rem 0; 
}

/* --- Hero Section --- */
.hero {
    position: relative;
    padding: 6rem 0 4rem;
    text-align: center;
    border-bottom: 1px solid var(--surface-border);
}

.hero-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

.hero h1 { 
    font-size: 2.8rem; 
    margin-bottom: 2rem; 
    text-shadow: 0 4px 20px rgba(0,0,0,0.5); 
}

.hero .intro { 
    max-width: 900px; 
    margin: 0 auto 1.5rem auto; 
    font-size: 1.1rem;
    color: var(--text-muted); 
}

/* --- Modern Sections --- */
.modern-section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--accent-red);
}

.glow-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
    opacity: 0.3;
    margin: 2rem 0;
}

/* --- Glassmorphic Cards --- */
.glass-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--surface-border);
    padding: 2rem;
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 15px var(--accent-glow);
    border-color: rgba(255, 42, 64, 0.4);
}

.glass-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #fff;
    border-bottom: 1px solid var(--surface-border);
    padding-bottom: 0.5rem;
}

.glass-card h3 span {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-red);
    font-family: var(--font-body);
    font-weight: 500;
    margin-top: 0.4rem;
}

/* Hide Class for Filtering */
.glass-card.hide { display: none; }

/* --- Grids --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.grid-3col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* --- Lists & Text Formatting inside Cards --- */
.feature-box ul, .philosophy-box ul {
    list-style: none;
}

.feature-box li, .philosophy-box li {
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-muted);
}

.feature-box li::before, .philosophy-box li::before {
    content: "•";
    color: var(--accent-red);
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    top: -4px;
}

.feature-box strong, .philosophy-box strong {
    color: #fff;
}

.highlight h3 {
    color: var(--accent-red);
    font-size: 1.2rem;
    border: none;
    padding: 0;
    margin-bottom: 0.5rem;
}

.highlight p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- Media Containers & Responsive Constraints --- */
.media-container {
    background: rgba(0,0,0,0.4);
    border: 1px dashed var(--surface-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-style: italic;
    display: flex;
    justify-content: center;
    align-items: center;
}

.responsive-media {
    max-width: 100%;
    max-height: 500px; /* Constrains height on large desktop screens */
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.inline-media {
    margin: 1rem 0;
    padding: 1rem;
    font-size: 0.9rem;
}

/* --- Custom Video Player --- */
.custom-video-container {
    position: relative;
    max-width: 800px; /* Prevents video from becoming massive on desktop */
    margin: 2rem auto;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.custom-video-container video {
    width: 100%;
    max-height: 600px;
    display: block;
    object-fit: contain;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    display: flex;
    align-items: center;
    padding: 15px;
    gap: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.custom-video-container:hover .video-controls,
.custom-video-container:focus-within .video-controls {
    opacity: 1; /* Shows controls on hover */
}

.play-btn, .mute-btn {
    background: var(--accent-red);
    color: #fff;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    transition: background 0.2s;
}

.play-btn:hover, .mute-btn:hover {
    background: #ff4d60;
}

.progress-bar {
    flex-grow: 1;
    cursor: pointer;
    accent-color: var(--accent-red);
}

/* --- Summary Box --- */
.summary-box {
    background: linear-gradient(135deg, rgba(255, 42, 64, 0.1), transparent);
    border: 1px solid rgba(255, 42, 64, 0.2);
    border-left: 4px solid var(--accent-red);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
    text-align: center;
}

.summary-box p {
    font-size: 1.1rem;
    margin: 0;
    color: #fff;
}

.final-box {
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
    border-left: 4px solid #fff;
    border-color: var(--surface-border);
}

/* --- Filter Buttons --- */
.filter-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: rgba(0,0,0,0.5);
    color: var(--text-muted);
    border: 1px solid var(--surface-border);
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    backdrop-filter: blur(4px);
}

.filter-btn:hover {
    color: #fff;
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--surface-border);
    margin-top: 4rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Responsiveness --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .grid-2col { grid-template-columns: 1fr; }
    .glass-card { padding: 1.5rem; }
    
    .video-controls {
        opacity: 1; /* Always show controls on mobile */
        padding: 10px;
    }
}