/* -----------------------------
   Readers Hub Cinematic Styling (V4 - Minimalist Interactive Tour)
----------------------------- */

:root {
    --rh-deep-green: #0a1b14;
    --rh-warm-gold: #D4AF37;
    --rh-gold-dim: rgba(212, 175, 55, 0.3);
    --rh-dark-wood: #1e110a;
    --rh-paper-cream: #fdfbf7;
    --rh-glass-bg: rgba(10, 27, 20, 0.65);
    --rh-glass-border: rgba(212, 175, 55, 0.15);
}

.readershub-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--rh-deep-green);
    scroll-behavior: smooth;
    font-family: var(--font-sans);
}

/* Scrollbar for Hub */
.readershub-container::-webkit-scrollbar {
    width: 6px;
}
.readershub-container::-webkit-scrollbar-track {
    background: var(--rh-deep-green);
}
.readershub-container::-webkit-scrollbar-thumb {
    background: var(--rh-warm-gold);
}

/* Cinematic Stations */
.rh-station {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.rh-bg {
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    z-index: 1;
    filter: brightness(0.6) contrast(1.1) saturate(1.2);
    transition: filter 1.5s ease;
}

/* Welcome Area */
.rh-welcome-area {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    pointer-events: none;
}

.rh-welcome-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    color: var(--rh-warm-gold);
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 0 5px 20px rgba(0,0,0,0.8);
}

.rh-welcome-text {
    color: var(--rh-paper-cream);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: 300;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

.rh-scroll-indicator {
    position: absolute;
    bottom: 4rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--rh-warm-gold);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    animation: rh-bounce 2.5s infinite ease-in-out;
    pointer-events: none;
}

@keyframes rh-bounce {
    0%, 100% { transform: translateY(0) translateX(-50%); opacity: 0.5; }
    50% { transform: translateY(10px) translateX(-50%); opacity: 1; }
}

/* Minimalist Hotspot Logic */
.rh-hotspot-container {
    position: relative;
    z-index: 10;
    width: 600px;
    height: 500px; /* Large invisible hit area */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: crosshair;
}

.rh-hotspot-indicator {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 1s cubic-bezier(0.25, 1, 0.5, 1);
    opacity: 0.8;
}

.rh-hotspot-line {
    width: 1px;
    height: 60px;
    background: var(--rh-warm-gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.6);
    transition: height 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.rh-hotspot-label {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--rh-warm-gold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
    transition: opacity 0.8s ease;
}

.rh-hotspot-content {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    background: var(--rh-glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--rh-glass-border);
    padding: 4rem 3rem;
    border-radius: 4px;
    text-align: center;
    pointer-events: none;
    transition: all 1.2s cubic-bezier(0.19, 1, 0.22, 1);
    width: 100%;
    max-width: 500px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

/* Hover Interactions */
.rh-hotspot-container:hover .rh-hotspot-indicator {
    opacity: 0;
    transform: scaleY(0);
}

.rh-hotspot-container:hover .rh-hotspot-line {
    height: 0;
}

.rh-hotspot-container:hover .rh-hotspot-content {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.rh-station:hover .rh-bg {
    filter: brightness(0.4) contrast(1.1) saturate(1.1); /* Darken bg subtly when user interacts */
}

/* Content Typography */
.rh-station-number {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--rh-warm-gold);
    opacity: 0.6;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.rh-station-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--rh-paper-cream);
    margin-bottom: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.rh-station-desc {
    color: #cbd5e1;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.rh-btn-primary {
    background: transparent;
    color: var(--rh-warm-gold);
    border: 1px solid var(--rh-warm-gold);
    padding: 1rem 2.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.5s ease;
    width: 100%;
}

.rh-btn-primary:hover {
    background: var(--rh-warm-gold);
    color: var(--rh-deep-green);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.4);
}

/* Modals */
.rh-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(4, 10, 7, 0.95);
    backdrop-filter: blur(25px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
}

.rh-modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.rh-modal-content {
    background: transparent;
    width: 90%;
    max-width: 800px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 4rem;
    position: relative;
    transform: translateY(30px) scale(0.98);
    transition: all 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.rh-modal-overlay.active .rh-modal-content {
    transform: translateY(0) scale(1);
}

.rh-modal-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2.5rem;
    color: var(--rh-paper-cream);
    cursor: pointer;
    transition: color 0.4s ease, transform 0.4s ease;
}

.rh-modal-close:hover {
    color: var(--rh-warm-gold);
    transform: rotate(90deg);
}

.rh-modal-content h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--rh-warm-gold);
    margin-bottom: 1rem;
    text-align: center;
}

.rh-modal-content > p {
    color: #cbd5e1;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 3rem;
}

/* Simple Code Access */
.rh-access-container {
    background: rgba(10, 27, 20, 0.5);
    border: 1px solid var(--rh-glass-border);
    padding: 3rem;
    border-radius: 4px;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.rh-access-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--rh-glass-border);
    color: var(--rh-warm-gold);
    padding: 1rem;
    font-family: var(--font-sans);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: border-color 0.4s ease;
}

.rh-access-input:focus {
    outline: none;
    border-color: var(--rh-warm-gold);
}

.rh-btn-secondary {
    background: transparent;
    color: var(--rh-paper-cream);
    border: 1px solid var(--rh-glass-border);
    padding: 1rem 2.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.4s ease;
}

.rh-btn-secondary:hover {
    border-color: var(--rh-warm-gold);
    color: var(--rh-warm-gold);
}

.rh-unlocked-data {
    display: none;
    animation: fadeIn 1.2s ease;
    text-align: left;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}