/* css/style.css */

/* --- 1. SYSTEM VARIABLES --- */
:root {
    /* Brand Palette: Dark Mode / System Graph */
    --bg-dark: #050a12;       /* Void Black */
    --bg-panel: #0f141e;      /* Panel Grey */
    --bg-card: #161b22;       /* Card Surface */
    
    --accent-gold: #d4b06a;   /* Signal Gold */
    --accent-dim: rgba(212, 176, 106, 0.2);
    
    --text-main: #e6e6e6;
    --text-muted: #949aa5;
    
    --grid-line: rgba(255, 255, 255, 0.03);
    --border-subtle: #2f363d;
    
    /* Typography */
    --font-display: 'Playfair Display', serif; /* Intellectual */
    --font-sys: 'Inter', sans-serif;           /* System */
}

/* --- 2. GLOBAL RESET & BASE --- */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sys);
    line-height: 1.6;
    overflow-x: hidden;
}

/* THE SYSTEM GRID BACKGROUND */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    pointer-events: none;
}

/* CRT SCANLINE OVERLAY (System Visual Upgrade) */
body::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.1)
    );
    background-size: 100% 4px;
    z-index: 999;
    pointer-events: none;
    opacity: 0.15;
}

h1, h2, h3, h4 { font-family: var(--font-display); color: #fff; font-weight: 700; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; position: relative; }
.section { padding: 6rem 0; position: relative; border-bottom: 1px solid var(--grid-line); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.9rem 1.8rem; border-radius: 2px;
    font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
    transition: all 0.3s ease; cursor: pointer;
}
.btn-primary { 
    background: var(--accent-gold); color: #000; border: 1px solid var(--accent-gold); 
    box-shadow: 0 0 15px var(--accent-dim);
}
.btn-primary:hover { background: transparent; color: var(--accent-gold); }
.btn-outline { border: 1px solid var(--border-subtle); color: var(--text-muted); background: rgba(0,0,0,0.3); }
.btn-outline:hover { border-color: var(--accent-gold); color: #fff; }

/* --- 3. HEADER --- */
header { 
    padding: 1.5rem 0; 
    border-bottom: 1px solid var(--border-subtle); 
    background: rgba(5, 10, 18, 0.9); 
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 100;
}
.nav-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 0.8rem; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: #fff; }
.logo img { height: 40px; width: 40px; border-radius: 50%; border: 1px solid var(--accent-gold); }

.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); position: relative; }
.nav-links a::after {
    content: ''; position: absolute; bottom: -5px; left: 0; width: 0%; height: 1px; background: var(--accent-gold); transition: 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: #fff; }

/* Mobile Menu Button (Hidden on Desktop) */
.nav-toggle {
    display: none; 
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--accent-gold);
    position: relative;
    transition: 0.3s;
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--accent-gold);
    transition: 0.3s;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.nav-cta {
    padding: 0.5rem 1rem;
    border-radius: 2px;
}

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 10, 18, 0.75);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 95;
}

.nav-backdrop.show { opacity: 1; pointer-events: auto; }
body.nav-open { overflow: hidden; }


/* --- 4. HERO SECTION --- */
.hero { 
    padding: 8rem 0 6rem; 
    text-align: center; 
    background: radial-gradient(circle at center, var(--bg-panel) 0%, transparent 70%);
}
.hero-tag { 
    display: inline-block; padding: 0.3rem 0.8rem; border: 1px solid var(--accent-dim); 
    color: var(--accent-gold); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 1.5rem;
}
.hero h1 { font-size: 3.5rem; margin-bottom: 1.5rem; line-height: 1.1; }
.hero p { max-width: 600px; margin: 0 auto 2.5rem; color: var(--text-muted); font-size: 1.1rem; }

/* --- 5. "THE TILES" (Episode Grid) --- */
.section-header { margin-bottom: 3rem; display: flex; justify-content: space-between; align-items: end; border-left: 2px solid var(--accent-gold); padding-left: 1.5rem; }
.section-header h2 { font-size: 2rem; }
.section-header p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.5rem; }

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

.tile-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 2rem;
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
    overflow: hidden;
}
.tile-card::before {
    content: ""; position: absolute; top: 0; right: 0; width: 0; height: 0;
    border-style: solid; border-width: 0 40px 40px 0; border-color: transparent var(--bg-panel) transparent transparent;
    transition: border-color 0.3s;
}
.tile-card:hover { transform: translateY(-5px); border-color: var(--accent-gold); }
.tile-card:hover::before { border-color: transparent var(--accent-gold) transparent transparent; }

.tile-meta { font-size: 0.7rem; color: var(--accent-gold); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; display: block; }
.tile-card h3 { font-size: 1.4rem; margin-bottom: 0.8rem; line-height: 1.3; }
.tile-card p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.tile-link { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; color: #fff; display: flex; align-items: center; gap: 0.5rem; }

/* --- 6. WHY UQ? --- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 3rem; margin-top: 3rem; }
.why-item { border-left: 1px solid var(--border-subtle); padding-left: 1.5rem; }
.why-icon { font-family: monospace; font-size: 1.5rem; color: var(--accent-gold); margin-bottom: 1rem; display: block; }
.why-item h3 { font-size: 1.2rem; margin-bottom: 0.8rem; font-family: var(--font-sys); }
.why-item p { font-size: 0.95rem; color: var(--text-muted); }

/* --- 7. HOST SECTION --- */
.host-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
.host-img-frame { position: relative; border: 1px solid var(--border-subtle); padding: 10px; }
.host-img-frame img { width: 100%; grayscale: 100%; transition: 0.5s; }
.host-img-frame:hover img { filter: grayscale(0%); }
.host-img-frame::after {
    content: ""; position: absolute; bottom: -10px; right: -10px; width: 100px; height: 100px; 
    border-right: 2px solid var(--accent-gold); border-bottom: 2px solid var(--accent-gold);
}

/* --- 8. SUBMIT UQ & SUBSCRIBE --- */
.interact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.interact-box { background: var(--bg-panel); padding: 3rem; border: 1px solid var(--border-subtle); position: relative; }
.input-group { margin-top: 1.5rem; display: flex; gap: 0.5rem; }
.input-field { flex: 1; background: #000; border: 1px solid var(--border-subtle); padding: 1rem; color: #fff; font-family: var(--font-sys); }
.input-field:focus { outline: none; border-color: var(--accent-gold); }

/* --- 9. FOOTER --- */
footer { padding: 4rem 0; text-align: center; border-top: 1px solid var(--border-subtle); font-size: 0.9rem; color: var(--text-muted); }
.social-links { margin-bottom: 1.5rem; display: flex; justify-content: center; gap: 2rem; }
.social-links a:hover { color: var(--accent-gold); }

/* --- 10. EPISODE DETAIL SPECIFIC --- */
.ep-hero { padding: 6rem 0 4rem; text-align: center; border-bottom: 1px solid var(--border-subtle); }
.ep-player-placeholder {
    max-width: 700px; margin: 2rem auto; height: 80px; 
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-gold); font-family: monospace; letter-spacing: 2px;
}

.ep-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 4rem; margin-top: 4rem; }

/* Main Content Styling */
.ep-content-block { margin-bottom: 3rem; }
.ep-heading { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 1.5rem; color: #fff; display: flex; align-items: center; gap: 1rem; }
.ep-heading::after { content: ""; height: 1px; background: var(--border-subtle); flex: 1; }

.system-list li { 
    margin-bottom: 1rem; padding-left: 1.5rem; position: relative; color: var(--text-muted); 
}
.system-list li::before { 
    content: ">>"; position: absolute; left: 0; color: var(--accent-gold); font-family: monospace; 
}

/* Question Box */
.uq-terminal {
    background: #000; border: 1px solid var(--border-subtle); padding: 2rem;
    font-family: 'Courier New', monospace; margin-bottom: 2rem;
}
.uq-terminal li { margin-bottom: 1rem; color: var(--text-main); list-style: none; }
.uq-terminal li::before { content: "[QUERY]: "; color: var(--accent-gold); }

/* Sidebar Widgets */
.sys-widget { background: var(--bg-card); border: 1px solid var(--border-subtle); padding: 1.5rem; margin-bottom: 2rem; }
.sys-widget h4 { font-size: 0.8rem; text-transform: uppercase; color: var(--accent-gold); letter-spacing: 2px; margin-bottom: 1rem; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.5rem; }
.data-row { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 0.8rem; color: var(--text-muted); }
.data-val { color: #fff; font-family: monospace; }

/* --- MOBILE & RESPONSIVE --- */
@media (max-width: 768px) {
    /* Reveal Hamburger */
    .nav-toggle { display: block; }
    
    /* Navigation Drawer Logic */
    .nav-links {
        position: fixed;
        inset: 70px 0 0 0; /* Aligns below header */
        transform: translateX(100%); /* Hidden off-screen without resizing viewport */
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-dark);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: transform 0.35s ease-in-out;
        border-top: 1px solid var(--border-subtle);
        z-index: 99;
    }

    .nav-links.open {
        transform: translateX(0); /* Slide in without expanding layout */
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    /* Adjust Layouts */
    .hero h1 { font-size: 2.2rem; }
    .host-layout, .interact-grid, .ep-layout { grid-template-columns: 1fr; }
    .section-header { flex-direction: column; align-items: start; gap: 1rem; }
}
/* Extra mobile refinements */
@media (max-width: 768px) {
  /* Shorten logo label so the hamburger stays within viewport */
  .logo span {
    display: none;
  }
  .logo img {
    height: 32px;
    width: 32px;
  }
}