/* style.css */
:root {
    --bg-color: #050a14;
    --text-main: #e0e6ed;
    --text-muted: #94a3b8;
    --accent-primary: #00f0ff; /* Cyan - Coherence */
    --accent-secondary: #7000ff; /* Purple - Field */
    --glass: rgba(15, 23, 42, 0.7);
    --border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Cinzel', serif; /* Academic/Classic feel */
    --font-body: 'Inter', sans-serif; /* Clean modern */
}

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

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

/* Background Canvas */
#field-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
}

/* Typography */
h1, h2, h3 { font-family: var(--font-heading); font-weight: 400; color: #fff; }
a { text-decoration: none; color: var(--accent-primary); transition: 0.3s; }
a:hover { text-shadow: 0 0 10px var(--accent-primary); }

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { font-size: 1.5rem; font-weight: bold; letter-spacing: 2px; }
.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links li a { color: var(--text-main); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.nav-links li a:hover { color: var(--accent-primary); }

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: 4rem;
    background: linear-gradient(45deg, #fff, var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.subtitle { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: 0.3s;
    background: rgba(0, 240, 255, 0.05);
}

.btn:hover {
    background: var(--accent-primary);
    color: #000;
    box-shadow: 0 0 20px var(--accent-primary);
}

/* Sections */
.section { padding: 80px 0; border-bottom: 1px solid var(--border); }
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 3rem; }

/* Bio Card */
.bio-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: center; }
.bio-text p { margin-bottom: 1rem; color: var(--text-muted); }

/* Theory Highlights */
.equation-box {
    background: rgba(255,255,255,0.03);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border);
    margin: 2rem 0;
    font-family: 'Times New Roman', serif;
    font-size: 2rem;
    color: var(--accent-primary);
}

/* FAQ Accordion */
.faq-grid { display: flex; flex-direction: column; gap: 1rem; }
details {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: 0.3s;
}
details[open] { border-color: var(--accent-primary); }
summary {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    position: relative;
}
summary::-webkit-details-marker { display: none; }
summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    color: var(--accent-primary);
    font-size: 1.5rem;
}
details[open] summary::after { content: '-'; }
.faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .bio-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; } /* Mobile menu toggle would go here */
}













/* ===============================
   CFE Q&A PAGE
=============================== */

.cfe-page .faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.cfe-page .faq-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 2.8rem;
    margin-bottom: 60px;
    background: linear-gradient(45deg, #fff, var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cfe-page .qa-pair {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 26px 30px;
    border-radius: 6px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    transition: 0.3s ease;
}

.cfe-page .qa-pair:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0,240,255,0.25);
}

.cfe-page .question {
    font-family: var(--font-heading);
    color: #fff;
    margin-bottom: 12px;
}

.cfe-page .question-number {
    color: var(--accent-primary);
    margin-right: 8px;
}

.cfe-page .answer {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}