/* Shared styles — used by about, services, readings pages */
:root {
    /* Deep water base - "玄青" dark with cool blue undertone */
    --bg-deep: #0a0e1a;
    --bg-surface: #0f1524;
    --bg-card: #151b2e;
    --bg-card-hover: #1a2238;

    /* Cool gold/silver - metallic titanium feel */
    --gold: #c4b86a;
    --gold-light: #d4c87a;
    --gold-dim: rgba(196, 184, 106, 0.08);
    --gold-glow: rgba(196, 184, 106, 0.18);
    --gold-ambient: rgba(196, 184, 106, 0.04);

    /* Text - cool silver gray */
    --text-primary: #e4e6eb;
    --text-secondary: #a8acb8;
    --text-muted: #5a5e6e;

    /* Borders */
    --border-subtle: rgba(196, 184, 106, 0.1);
    --border-gold: rgba(196, 184, 106, 0.3);

    /* Accent */
    --seal: #b8352d;

    /* Shadows */
    --shadow-deep: 0 4px 30px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 2px 20px rgba(196, 184, 106, 0.12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 1rem 1.5rem;
    line-height: 1.6;
    max-width: 960px;
    margin: 0 auto;
    position: relative;
}

/* Starfield + ambient glow background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background-color: var(--bg-deep);
    background-image:
        radial-gradient(1.5px 1.5px at 10% 15%, rgba(196, 184, 106, 0.5), transparent),
        radial-gradient(1px 1px at 25% 35%, rgba(228, 230, 235, 0.3), transparent),
        radial-gradient(1.5px 1.5px at 40% 8%, rgba(196, 184, 106, 0.45), transparent),
        radial-gradient(1px 1px at 55% 42%, rgba(228, 230, 235, 0.2), transparent),
        radial-gradient(1.5px 1.5px at 70% 22%, rgba(196, 184, 106, 0.5), transparent),
        radial-gradient(1px 1px at 85% 55%, rgba(196, 184, 106, 0.35), transparent),
        radial-gradient(1px 1px at 15% 65%, rgba(228, 230, 235, 0.25), transparent),
        radial-gradient(1.5px 1.5px at 35% 78%, rgba(196, 184, 106, 0.4), transparent),
        radial-gradient(1px 1px at 50% 55%, rgba(228, 230, 235, 0.15), transparent),
        radial-gradient(1px 1px at 65% 88%, rgba(196, 184, 106, 0.3), transparent),
        radial-gradient(1.5px 1.5px at 80% 70%, rgba(196, 184, 106, 0.45), transparent),
        radial-gradient(1px 1px at 95% 40%, rgba(228, 230, 235, 0.2), transparent),
        radial-gradient(1px 1px at 5% 92%, rgba(196, 184, 106, 0.35), transparent),
        radial-gradient(1.5px 1.5px at 45% 12%, rgba(196, 184, 106, 0.55), transparent),
        radial-gradient(1px 1px at 78% 33%, rgba(228, 230, 235, 0.25), transparent),
        radial-gradient(1.5px 1.5px at 92% 85%, rgba(196, 184, 106, 0.4), transparent),
        radial-gradient(1px 1px at 3% 25%, rgba(228, 230, 235, 0.3), transparent),
        radial-gradient(1.5px 1.5px at 58% 95%, rgba(196, 184, 106, 0.45), transparent),
        radial-gradient(1px 1px at 22% 52%, rgba(228, 230, 235, 0.2), transparent),
        radial-gradient(1.5px 1.5px at 67% 10%, rgba(196, 184, 106, 0.5), transparent),
        radial-gradient(1px 1px at 43% 60%, rgba(228, 230, 235, 0.15), transparent),
        radial-gradient(1.5px 1.5px at 77% 45%, rgba(196, 184, 106, 0.4), transparent),
        radial-gradient(1px 1px at 12% 80%, rgba(196, 184, 106, 0.35), transparent),
        radial-gradient(1.5px 1.5px at 88% 8%, rgba(196, 184, 106, 0.5), transparent),
        radial-gradient(1px 1px at 33% 30%, rgba(228, 230, 235, 0.18), transparent),
        radial-gradient(1.5px 1.5px at 52% 75%, rgba(196, 184, 106, 0.35), transparent);
}

/* Ambient glow orbs — deeper golden atmosphere */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(700px 500px at 15% 8%, rgba(196, 184, 106, 0.07), transparent),
        radial-gradient(600px 450px at 85% 85%, rgba(196, 184, 106, 0.05), transparent),
        radial-gradient(500px 400px at 50% 45%, rgba(196, 184, 106, 0.03), transparent);
    pointer-events: none;
    animation: glowPulse 8s ease-in-out infinite alternate;
}

/* Golden light beam from upper-right — "hope in darkness" */
.light-beam {
    position: fixed;
    top: -40%;
    right: 10%;
    width: 140px;
    height: 180%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(196, 184, 106, 0.2) 8%,
        rgba(196, 184, 106, 0.38) 20%,
        rgba(196, 184, 106, 0.28) 40%,
        rgba(196, 184, 106, 0.15) 65%,
        rgba(196, 184, 106, 0.06) 85%,
        transparent 100%
    );
    transform: rotate(12deg);
    transform-origin: top center;
    pointer-events: none;
    z-index: 0;
    filter: blur(50px);
    animation: beamPulse 6s ease-in-out infinite alternate;
}
.light-beam::before {
    content: '';
    position: absolute;
    top: 0%;
    left: -80px;
    width: 300px;
    height: 120%;
    background: radial-gradient(
        ellipse 120px 400px at 50% 25%,
        rgba(196, 184, 106, 0.38),
        rgba(196, 184, 106, 0.2) 30%,
        rgba(196, 184, 106, 0.08) 55%,
        transparent 80%
    );
    filter: blur(30px);
    animation: beamGlow 6s ease-in-out infinite alternate;
}
.light-beam::after {
    content: '';
    position: absolute;
    top: 5%;
    right: -140px;
    width: 420px;
    height: 380px;
    background: radial-gradient(
        ellipse 220px 160px at 35% 40%,
        rgba(196, 184, 106, 0.25),
        rgba(196, 184, 106, 0.1) 45%,
        transparent 75%
    );
    filter: blur(40px);
    animation: beamGlow2 6s ease-in-out infinite alternate;
}
@keyframes beamPulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.65; }
}
@keyframes beamGlow {
    0% { opacity: 0.45; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}
@keyframes beamGlow2 {
    0% { opacity: 0.35; }
    50% { opacity: 0.9; }
    100% { opacity: 0.5; }
}
@keyframes glowPulse {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Particle canvas */
#particles-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Navigation */
.site-nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.5rem;
    background: rgba(20, 21, 32, 0.85);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    box-shadow: var(--shadow-deep);
    margin-bottom: 2rem;
    position: relative;
    z-index: 10;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.site-nav::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201,168,76,0.3), transparent);
    border-radius: 12px 12px 0 0;
}
.site-nav .nav-brand {
    font-family: 'Noto Serif SC', serif;
    color: var(--gold);
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.04em;
    text-shadow: 0 0 20px rgba(201,168,76,0.15);
    transition: text-shadow 0.3s;
}
.site-nav .nav-brand:hover {
    text-shadow: 0 0 30px rgba(201,168,76,0.3);
}
.site-nav .nav-links { display: flex; gap: 1.5rem; }
.site-nav .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 3px;
}
.site-nav .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    opacity: 0;
}
.site-nav .nav-links a:hover {
    color: var(--gold-light);
}
.site-nav .nav-links a:hover::after {
    width: 60%;
    opacity: 0.6;
}
.site-nav .nav-links a.active {
    color: var(--gold);
}
.site-nav .nav-links a.active::after {
    width: 80%;
    opacity: 1;
}

/* Page container */
.page-container {
    position: relative;
    z-index: 1;
    background: rgba(15, 16, 24, 0.9);
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    box-shadow:
        var(--shadow-deep),
        inset 0 1px 0 rgba(201,168,76,0.05);
    min-height: 60vh;
    animation: fadeUp 0.6s ease-out;
}
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.page-container::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    z-index: 1;
}
.page-container::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(201,168,76,0.02) 0%, transparent 40%);
    pointer-events: none;
}
.page-container h1 {
    font-family: 'Noto Serif SC', serif;
    color: var(--gold);
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: 0.06em;
    text-shadow:
        0 0 40px rgba(201, 168, 76, 0.2),
        0 2px 4px rgba(0,0,0,0.3);
}
.page-container h1 span {
    display: block;
    font-size: 0.55em;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 0.3rem;
    letter-spacing: 0.08em;
    text-shadow: none;
}
.page-container h2 {
    font-family: 'Noto Serif SC', serif;
    color: var(--gold);
    font-size: 1.3rem;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 0.8rem;
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    letter-spacing: 0.03em;
    text-shadow: 0 0 20px rgba(201,168,76,0.1);
}
.page-container p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Buttons */
.btn-gold {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--bg-deep);
    border: none;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-gold);
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: 'Cormorant Garamond', Georgia, serif;
    position: relative;
    overflow: hidden;
}
.btn-gold::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}
.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 25px var(--gold-glow);
}
.btn-gold:hover::before {
    transform: translateX(100%);
}
.btn-outline {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--border-gold);
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: 'Cormorant Garamond', Georgia, serif;
}
.btn-outline:hover {
    background: var(--gold-dim);
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(201,168,76,0.1);
}

/* Footer */
.site-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 25%;
    right: 25%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201,168,76,0.2), transparent);
}
.site-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}
.site-footer a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s ease;
}
.site-footer a:hover {
    color: var(--gold);
}
.site-footer a:hover::after {
    width: 100%;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 15, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 1rem;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.modal-overlay.active {
    display: flex;
    animation: modalFadeIn 0.3s ease-out;
}
@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    max-width: 650px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow-deep);
    animation: modalSlideIn 0.3s ease-out;
}
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    transition: all 0.2s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.modal-close:hover {
    color: var(--gold);
    background: var(--gold-dim);
}
.modal-title {
    font-family: 'Noto Serif SC', serif;
    color: var(--gold);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    text-shadow: 0 0 20px rgba(201,168,76,0.15);
}
.modal-body { color: var(--text-secondary); line-height: 1.8; font-size: 0.95rem; }
.modal-body h4 { color: var(--gold); margin-top: 1.5rem; margin-bottom: 0.5rem; font-size: 1rem; }
.modal-body p { margin-bottom: 1rem; }
.modal-body ul { margin-left: 1.5rem; margin-bottom: 1rem; }
.modal-body li { margin-bottom: 0.5rem; }

/* Responsive */
@media (max-width: 600px) {
    body { padding: 0.75rem; }
    .site-nav { flex-direction: column; gap: 0.5rem; padding: 0.6rem 1rem; }
    .site-nav .nav-links { gap: 0.8rem; flex-wrap: wrap; justify-content: center; }
    .page-container { padding: 1.5rem 1rem; }
    .page-container h1 { font-size: 1.5rem; }
    .page-container h2 { font-size: 1.1rem; }
}