/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800;900&family=Outfit:wght@100;200;300;400;500;600;700&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
    --pull-easing: cubic-bezier(0.32, 0, 0.67, 0);
    --return-easing: cubic-bezier(0.175, 0.885, 0.32, 1.4);
    --active-toggle: #f5f8ea;
    
    --bg-color: #030508;
    --bg-darker: #010204;
    --bg-accent: #070b12;
    --gold: #d4af37;
    --gold-bright: #ffdf00;
    --gold-dark: #9a7b1c;
    --gold-glow: rgba(212, 175, 55, 0.45);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    --text-dimmed: rgba(255, 255, 255, 0.05);
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-heading-roman: 'Cinzel', serif;
    --font-heading-editorial: 'Cormorant Garamond', serif;
    --font-body: 'Outfit', sans-serif;
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-gold: rgba(212, 175, 55, 0.25);
    
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* SVG Placeholder Gradient Variables */
    --marble-grad-start: #ffffff;
    --marble-grad-end: #94a3b8;
    --marble-grad-opacity-start: 0.3;
    --marble-grad-opacity-mid: 0.18;
    --marble-grad-opacity-end: 0.02;
    
    --gold-bust-opacity-start: 0.35;
    --gold-bust-opacity-mid: 0.25;
    --gold-bust-opacity-end: 0.05;

    --svg-stroke: rgba(255, 255, 255, 0.08);
    --svg-stroke-light: rgba(255, 255, 255, 0.15);
    
    --overlay-color: 3, 5, 8;
}

body.light-theme {
    --bg-color: #f7f6f2;
    --bg-darker: #eeebe3;
    --bg-accent: #ffffff;
    --text-primary: #181c24;
    --text-secondary: #4a5468;
    --text-muted: #828c9e;
    --text-dimmed: rgba(0, 0, 0, 0.03);
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-gold: rgba(184, 134, 11, 0.35);

    /* SVG Placeholder overrides */
    --marble-grad-start: #0f172a;
    --marble-grad-end: #334155;
    --marble-grad-opacity-start: 0.15;
    --marble-grad-opacity-mid: 0.08;
    --marble-grad-opacity-end: 0.01;
    
    --gold-bust-opacity-start: 0.25;
    --gold-bust-opacity-mid: 0.15;
    --gold-bust-opacity-end: 0.02;

    --svg-stroke: rgba(0, 0, 0, 0.08);
    --svg-stroke-light: rgba(0, 0, 0, 0.15);
    
    --overlay-color: 247, 246, 242;
}

/* --- Reset & Core Layout --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    scrollbar-width: none;
}

/* Hide scrollbar completely */
::-webkit-scrollbar {
    width: 0;
    display: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease;
}

/* --- Film Grain Noise Overlay --- */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.045;
    pointer-events: none;
    z-index: 9999;
}



/* --- Circular Theme Ripple Overlay --- */
.theme-ripple-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    pointer-events: none;
    transition: clip-path 0.75s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    clip-path: circle(0px at 0px 0px);
}

/* --- Background Grid Lines --- */
.grid-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 2;
    padding: 0 4%;
}

.grid-line {
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.001) 0%, 
        rgba(255, 255, 255, 0.025) 20%, 
        rgba(255, 255, 255, 0.025) 80%, 
        rgba(255, 255, 255, 0.001) 100%
    );
}

/* --- Common Interactive Assets --- */
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

button {
    background: none;
    border: none;
    color: inherit;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.btn-experts-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    padding: 0.7rem 2rem;
    border-radius: 50px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 500;
    backdrop-filter: blur(15px);
    background-color: rgba(255, 255, 255, 0.01);
}

.btn-experts-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    box-shadow: 0 0 20px var(--gold-glow);
    background-color: rgba(212, 175, 55, 0.05);
    transform: translateY(-2px);
}

.rotated-indicator {
    position: absolute;
    top: 50%;
    left: 2%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: left center;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--text-muted);
    font-weight: 500;
    pointer-events: none;
    white-space: nowrap;
    z-index: 5;
}

.subtitle-gold {
    color: var(--gold);
    font-size: 0.7rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    font-weight: 700;
    display: block;
    margin-bottom: 1.2rem;
}

/* --- Header Layout --- */
#main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.8rem 4%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    background-color: rgba(3, 5, 8, 0.75);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading-roman);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 3.5rem;
}

.nav-link {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    position: relative;
    padding: 0.4rem 0;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: var(--gold);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.experts-link {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.experts-link:hover {
    color: var(--gold);
}

.grid-menu-btn {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    width: 18px;
    height: 18px;
}

.grid-dot {
    width: 3.5px;
    height: 3.5px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition);
}

.grid-menu-btn:hover .grid-dot {
    background-color: var(--gold);
    transform: scale(1.2);
}

/* --- Hero Section --- */
#hero {
    min-height: 100vh;
    padding-top: 8rem;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}

.hero-bg-text {
    position: absolute;
    top: 36%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading-roman);
    font-size: 16vw;
    font-weight: 500;
    letter-spacing: 0.08em;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(148, 163, 184, 0.03) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.5));
    user-select: none;
    pointer-events: none;
    z-index: 1;
    text-align: center;
    width: 100%;
}

body.light-theme .hero-bg-text {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.02) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: none;
}


.hero-container {
    width: 82%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.3fr 1.5fr 1.2fr;
    align-items: center;
    z-index: 3;
    flex-grow: 1;
    position: relative;
    gap: 2rem;
}

/* Hero Left Panel */
.hero-left {
    padding-right: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 300;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    text-shadow: 0 0 50px rgba(255, 255, 255, 0.05);
}

.hero-columns {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 1.8rem;
    margin-bottom: 2.5rem;
}

.hero-description {
    font-size: 0.88rem;
    font-weight: 300;
    line-height: 1.65;
}

.hero-description.main-desc {
    color: var(--text-primary);
}

.hero-description.sub-desc {
    color: var(--text-secondary);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding-left: 1.2rem;
}

.read-more-btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.read-more-btn .arrow {
    transition: var(--transition);
}

.read-more-btn:hover {
    color: var(--gold);
}

.read-more-btn:hover .arrow {
    transform: translateX(6px);
}

/* Hero Center Panel (Bust) */
.hero-center {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 100%;
}

.statue-glow {
    display: none;
}

.main-bust-container {
    position: relative;
    z-index: 3;
    height: 560px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
}

.main-bust-img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 25px 60px rgba(0, 0, 0, 0.9));
    position: relative;
    z-index: 3;
    transform: translateY(-20px);
}

/* pedestal white circle styling */
.pedestal-plate {
    position: absolute;
    bottom: -140px;
    left: 50%;
    transform: translateX(-50%) rotateX(60deg);
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 40%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
    filter: blur(2px);
}

.pedestal-shadow {
    position: absolute;
    bottom: -45px;
    left: 50%;
    transform: translateX(-50%);
    width: 260px;
    height: 20px;
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 75%);
    z-index: 2;
    pointer-events: none;
}

/* Hero Right Panel (Carousel / Thumbnails) */
.hero-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.lesson-carousel-title {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 2.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
    width: 100%;
    justify-content: flex-end;
}

.carousel-arrow {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.carousel-arrow:hover {
    color: var(--gold);
}

.lesson-thumbnails {
    display: flex;
    flex-direction: row;
    gap: 1.2rem;
    width: 100%;
    justify-content: space-between;
}

.thumb-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 1rem 0.6rem;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    width: 31%;
}

.thumb-card:hover {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.04);
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.thumb-card.active {
    border-color: rgba(255, 255, 255, 0.06);
    background-color: rgba(7, 11, 18, 0.45);
    backdrop-filter: blur(15px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.thumb-img-wrapper {
    width: 100%;
    height: 110px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    overflow: visible;
    background: none;
    border: none;
}

.thumb-img-wrapper img {
    height: 100%;
    width: auto;
    object-fit: contain;
    object-position: bottom center;
    filter: drop-shadow(0 5px 12px rgba(0, 0, 0, 0.6));
    transition: var(--transition);
}

.thumb-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    text-align: center;
}

.thumb-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.thumb-subtitle {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* Hero Footer */
.hero-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4%;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 100;
    background-color: rgba(3, 5, 8, 0.75);
    backdrop-filter: blur(16px);
}

.hero-footer-left .tagline {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.hero-footer-right {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.social-icon:hover {
    color: var(--gold);
    opacity: 1;
    transform: translateY(-2px);
}

.popular-content-wrapper,
.practices-content-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* --- Popular Philosophers Section --- */
#popular {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8rem 0;
    z-index: 4;
    width: 100%;
}

.section-arc-container {
    position: absolute;
    top: 52%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1200px;
    z-index: 1;
    pointer-events: none;
    padding: 0 80px;
}

.arc-line-svg {
    width: 100%;
    height: auto;
}

.philosophers-carousel {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 3;
    padding: 0 80px;
}

.carousel-control-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background-color: rgba(3, 5, 8, 0.7);
    backdrop-filter: blur(15px);
    z-index: 10;
    transition: var(--transition);
}

.carousel-control-btn.prev-btn {
    left: 15px;
}

.carousel-control-btn.next-btn {
    right: 15px;
}

.carousel-control-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
    box-shadow: 0 0 20px var(--gold-glow);
    transform: translateY(-50%) scale(1.05);
}

.philosophers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4.5rem;
    width: 100%;
    justify-items: center;
}

.philosopher-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0.35;
    transform: scale(0.88);
    transform-origin: bottom center;
    transition: color 0.5s ease, background-color 0.5s ease, border-color 0.5s ease;
}

.philosopher-card.active {
    opacity: 1;
    transform: scale(1.05);
}

.philosopher-card.active .card-img-wrapper img {
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.65)) brightness(1.03);
}

.card-img-wrapper {
    width: 100%;
    max-width: 260px;
    height: 320px;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.card-img-wrapper img {
    height: 100%;
    width: auto;
    object-fit: contain;
    object-position: bottom center;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
    transition: filter 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.philosopher-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    letter-spacing: 0.05em;
}

.philosopher-lesson {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* --- General Practices Section --- */
#practices {
    min-height: 100vh;
    padding: 8rem 4%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 4;
}

.practices-header {
    width: 92%;
    max-width: 1300px;
    margin: 0 auto 5rem auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    padding-bottom: 1.2rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3.6rem;
    font-weight: 300;
    letter-spacing: -0.01em;
}

.practices-tabs {
    display: flex;
    gap: 2rem;
}

.tab-btn {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.6rem 0.2rem;
    position: relative;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--gold);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1.3rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--gold);
    transition: var(--transition);
}

.tab-btn.active::after {
    width: 100%;
}

.practices-content-container {
    width: 92%;
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.panel-content {
    transition: opacity 0.5s ease;
}

.panel-heading {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.panel-text {
    color: var(--text-secondary);
    font-weight: 300;
    font-size: 0.92rem;
    margin-bottom: 2.5rem;
    line-height: 1.75;
}

/* Center Golden Bust Styling */
.practices-center {
    display: flex;
    justify-content: center;
    position: relative;
}

.gold-bust-glow {
    display: none;
}

.gold-bust-wrapper {
    z-index: 3;
    animation: floatStatue 8s ease-in-out infinite;
}

.gold-bust-img {
    max-height: 440px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.8));
}

/* Practices Right Slider Panel */
.practices-right {
    display: flex;
    flex-direction: column;
}

.slider-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.slider-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
}

.slider-arrow {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.slider-arrow:hover {
    color: var(--gold);
}

.slider-dots {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.8rem;
}

.slider-dots .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
}

.slider-dots .dot.active {
    background-color: var(--gold);
    transform: scale(1.4);
}

.slide-heading {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.slide-text {
    color: var(--text-secondary);
    font-weight: 300;
    font-size: 0.88rem;
    line-height: 1.7;
}

/* --- Why We Need Philosophy Section --- */
#why-philosophy {
    min-height: 100vh;
    padding: 8rem 0;
    position: relative;
    display: flex;
    align-items: center;
    z-index: 4;
}

.why-container {
    width: 92%;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
    gap: 6rem;
}

/* Left side torso statue */
.why-left {
    position: relative;
    height: 640px;
}

.side-statue-wrapper {
    position: absolute;
    bottom: -160px;
    left: -15%;
    width: 130%;
    height: 800px;
    z-index: 3;
}

.side-statue-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: bottom left;
    filter: brightness(0.9) contrast(1.05);
    /* Fade out the right edge of the image itself, leaving the background transparent */
    -webkit-mask-image: linear-gradient(to right, rgba(0, 0, 0, 1) 50%, rgba(0, 0, 0, 0) 95%);
    mask-image: linear-gradient(to right, rgba(0, 0, 0, 1) 50%, rgba(0, 0, 0, 0) 95%);
}

.statue-overlay {
    display: none;
}

/* Right side content */
.why-right {
    padding-right: 2rem;
}

.why-title {
    font-family: var(--font-heading);
    font-size: 4.2rem;
    line-height: 1.15;
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.why-description {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 300;
    margin-bottom: 2.8rem;
    line-height: 1.75;
}

.watch-video-btn {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 3.2rem;
}

.watch-video-btn:hover {
    color: var(--gold);
}

.play-icon-wrapper {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition);
}

.play-icon {
    margin-left: 2px;
    transition: var(--transition);
}

.watch-video-btn:hover .play-icon-wrapper {
    border-color: var(--gold);
    box-shadow: 0 0 20px var(--gold-glow);
    transform: scale(1.08);
}

.watch-video-btn:hover .play-icon {
    color: var(--gold);
    transform: scale(1.1);
}

.action-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn-school {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 0.9rem 2.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 700;
    border: 1px solid var(--text-primary);
}

.btn-school:hover {
    background-color: transparent;
    color: var(--text-primary);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.btn-explore {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    padding: 0.9rem 2.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 700;
    background-color: rgba(255, 255, 255, 0.01);
}

.btn-explore:hover {
    border-color: var(--gold);
    color: var(--gold);
    background-color: rgba(212, 175, 55, 0.05);
    box-shadow: 0 0 20px var(--gold-glow);
    transform: translateY(-2px);
}

/* --- Footer --- */
#main-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3rem 4%;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    background-color: var(--bg-darker);
    z-index: 5;
    position: relative;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

.footer-socials {
    display: flex;
    gap: 1.2rem;
}

.footer-center {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 3.5rem;
}

.footer-links {
    display: flex;
    gap: 2.5rem;
}

.footer-links a {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    font-weight: 600;
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-logo-img {
    height: 28px;
    width: auto;
    object-fit: contain;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-logo-img:hover {
    opacity: 1;
}

/* --- Video Modal --- */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.video-modal.open {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(1, 2, 4, 0.95);
    backdrop-filter: blur(25px);
}

.modal-content {
    position: relative;
    width: 85%;
    max-width: 960px;
    aspect-ratio: 16/9;
    z-index: 10;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background-color: var(--bg-accent);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.9);
    transform: scale(0.92);
    transition: var(--transition);
}

.video-modal.open .modal-content {
    transform: scale(1);
}

.close-modal-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.2rem;
    color: var(--text-primary);
    z-index: 20;
    line-height: 1;
}

.close-modal-btn:hover {
    color: var(--gold);
}

.video-wrapper {
    width: 100%;
    height: 100%;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-bg-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, rgba(212, 175, 55, 0) 70%);
    filter: blur(25px);
}

.video-inner-content {
    text-align: center;
    z-index: 2;
}

.video-placeholder-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.video-placeholder-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.play-pulse {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    animation: pulseGlow 2.2s infinite;
}

/* --- Keyframes & Animations --- */
@keyframes floatStatue {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes pulseGlow {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.45);
    }
    70% {
        transform: scale(1.06);
        box-shadow: 0 0 0 25px rgba(212, 175, 55, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* --- Theme Toggle Switch (Day / Night Mode) --- */
.theme-toggle {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: inline-flex;
    outline: none;
    z-index: 105;
}

.toggle-track {
    position: relative;
    width: 105px;
    height: 32px;
    border-radius: 50px;
    background-color: rgba(18, 19, 22, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: flex-end; /* Text on the right in Dark mode */
    padding: 0 16px;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

body.light-theme .toggle-track {
    background-color: rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 0, 0, 0.08);
    justify-content: flex-start; /* Text on the left in Light mode */
}

.toggle-text {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    color: #ffffff;
    user-select: none;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    letter-spacing: 0.02em;
    text-transform: capitalize;
}

.text-dark {
    display: none;
    opacity: 0;
}

.text-light {
    display: inline-block;
    opacity: 1;
}

body.light-theme .text-dark {
    display: inline-block;
    opacity: 1;
    color: #111111;
}

body.light-theme .text-light {
    display: none;
    opacity: 0;
}

.toggle-glass-ball {
    position: absolute;
    top: -6px;
    left: -2px; /* Dark mode: Left side position */
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(8px) saturate(1.2);
    -webkit-backdrop-filter: blur(8px) saturate(1.2);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.4),
        inset 0 4px 6px rgba(255, 255, 255, 0.4),
        inset 0 -4px 6px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: left 0.4s cubic-bezier(0.25, 1, 0.5, 1), background 0.4s, border-color 0.4s;
    z-index: 3;
}

body.light-theme .toggle-glass-ball {
    left: calc(100% - 42px); /* Light mode: Right side position */
    background: rgba(255, 255, 255, 0.45);
    border-color: rgba(255, 255, 255, 0.75);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.15),
        inset 0 4px 6px rgba(255, 255, 255, 0.6),
        inset 0 -4px 6px rgba(0, 0, 0, 0.1);
}

.toggle-glass-ball svg {
    width: 18px;
    height: 18px;
    position: absolute;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    color: #ffffff;
}

.icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

body.light-theme .icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

body.light-theme .icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

/* --- Image Lazy Loading & Placeholder System --- */
.lazy-image {
    display: none !important;
}

.lazy-image.loaded {
    display: block !important;
}

img.logo-img.lazy-image.loaded,
img.footer-logo-img.lazy-image.loaded {
    display: inline-block !important;
}

/* Hide fallback placeholder when image loads successfully */
.lazy-image.loaded + .image-placeholder {
    display: none !important;
}

/* Logo Wrapper */
.logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    position: relative;
}

/* Base Placeholder styles */
.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background-color: var(--bg-accent);
    color: var(--text-secondary);
    transition: var(--transition);
}

/* Specific Placeholder styling */
.logo-placeholder {
    width: 100%;
    height: 100%;
}

.logo-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.3));
}

.main-bust-placeholder {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
    transform: translateY(-20px);
}

.bust-svg {
    width: 100%;
    height: 100%;
    max-height: 660px;
    filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.9));
}

.placeholder-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, rgba(212, 175, 55, 0) 70%);
    filter: blur(35px);
    pointer-events: none;
    z-index: 1;
}

/* Thumbnails and Grid Card avatars fallbacks */
.thumb-avatar-placeholder {
    width: 100%;
    height: 100%;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gold);
    background: radial-gradient(circle at center, #0c121e 0%, #030508 100%);
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    text-shadow: 0 0 8px var(--gold-glow);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
}

.card-avatar-placeholder {
    width: 100%;
    height: 100%;
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 500;
    color: var(--gold);
    background: radial-gradient(circle at center, #0e1726 0%, #030508 100%);
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    text-shadow: 0 0 15px var(--gold-glow);
    box-shadow: inset 0 0 25px rgba(0,0,0,0.9);
}

/* Gold bust practices section fallback */
.gold-bust-placeholder {
    width: 100%;
    height: 440px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
}

.bust-svg-gold {
    width: 100%;
    height: 100%;
    max-height: 420px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.85));
}

.gold-placeholder-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.16) 0%, rgba(212, 175, 55, 0) 70%);
    filter: blur(25px);
    pointer-events: none;
    z-index: 1;
}

/* Side muscular torso placeholder fallback */
.side-statue-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-darker);
}

.side-statue-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 25px 50px rgba(0,0,0,0.95));
}

/* Right vertical text indicator */
.rotated-indicator.right-indicator {
    left: auto;
    right: 2%;
    transform: translateY(-50%) rotate(90deg);
    transform-origin: right center;
}

/* --- Responsive Layout adjustments --- */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1.2fr 1.3fr;
        gap: 3rem;
    }
    
    .hero-right {
        grid-column: span 2;
        align-items: center;
        margin-top: 4rem;
        width: 100%;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .lesson-carousel-title {
        justify-content: center;
    }
    
    .lesson-thumbnails {
        flex-direction: row;
        justify-content: center;
    }
    
    .thumb-card {
        width: 30%;
        max-width: 180px;
    }
    
    .practices-content-container {
        grid-template-columns: 1fr;
        gap: 5rem;
    }
    
    .practices-left, .practices-right {
        text-align: center;
        align-items: center;
    }
    
    .slider-nav {
        justify-content: center;
    }
    
    .slider-dots {
        justify-content: center;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .philosophers-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .why-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .why-left {
        height: 450px;
    }
    .side-statue-wrapper {
        position: relative;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    .side-statue-img {
        object-position: bottom center;
    }
    
    .why-right {
        padding-right: 0;
        text-align: center;
    }
    
    .watch-video-btn {
        justify-content: center;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .footer-links {
        display: none;
    }
    
    #main-footer {
        flex-direction: column;
        gap: 2.5rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    #hero {
        padding-top: 6rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        width: 92%;
    }
    
    .hero-left {
        text-align: center;
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-columns {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-description.sub-desc {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 1rem;
    }
    
    .hero-right {
        grid-column: span 1;
    }
    
    .lesson-thumbnails {
        flex-direction: column;
        align-items: center;
    }
    
    .thumb-card {
        width: 100%;
        max-width: 300px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .practices-header {
        flex-direction: column;
        align-items: center;
        gap: 2.2rem;
        text-align: center;
    }
    
    .practices-tabs {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

/* --- Light Theme UI Overrides & Transitions --- */
#main-header, #main-footer, .tab-btn, .grid-line, .btn-exports-outline, .btn-school, .btn-explore, .carousel-control-btn, .image-placeholder, .rotated-indicator, .toggle-pill {
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
}

body.light-theme #main-header {
    background-color: rgba(247, 246, 242, 0.85);
    border-bottom-color: rgba(0, 0, 0, 0.04);
}

body.light-theme .grid-dot {
    background-color: var(--text-secondary);
}

body.light-theme .btn-school {
    background-color: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

body.light-theme .btn-school:hover {
    background-color: transparent;
    color: var(--text-primary);
}

body.light-theme .carousel-control-btn {
    background-color: rgba(255, 255, 255, 0.8);
    border-color: var(--border-color);
}

body.light-theme .carousel-control-btn:hover {
    border-color: var(--gold);
}

body.light-theme .thumb-card {
    background-color: rgba(255, 255, 255, 0.5);
    border-color: rgba(0, 0, 0, 0.03);
}

body.light-theme .thumb-card:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

body.light-theme .thumb-card.active {
    background-color: rgba(212, 175, 55, 0.05);
    border-color: var(--gold);
}

body.light-theme .hero-footer {
    background-color: rgba(247, 246, 242, 0.75);
    border-top-color: rgba(0, 0, 0, 0.06);
}

body.light-theme .pedestal-shadow {
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.22) 0%, rgba(0, 0, 0, 0) 75%);
}

/* --- Stacking Panels Z-Index & Opaque Backgrounds --- */
#hero {
    position: relative;
    z-index: 10;
    background-color: transparent;
}
#popular {
    position: relative;
    z-index: 20;
    background-color: transparent;
}
#practices {
    position: relative;
    z-index: 30;
    background-color: transparent;
}
#why-philosophy {
    position: relative;
    z-index: 40;
    background-color: transparent;
}

/* --- Intro Splash Screen --- */
#intro-splash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #030508; /* match dark theme bg */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
}

body.light-theme #intro-splash {
    background-color: #f7f6f2; /* match light theme bg */
}

#intro-splash.fade-out {
    opacity: 0;
    visibility: hidden;
}

#logo-splash-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 250px;
    height: 250px;
}

#splash-logo-img {
    width: 100%;
    height: auto;
    max-width: 220px;
    filter: invert(74%) sepia(35%) saturate(800%) hue-rotate(355deg) brightness(93%) contrast(92%); /* Premium gold filter for dark mode */
    opacity: 0;
    transform: scale(0.85);
}

body.light-theme #splash-logo-img {
    filter: brightness(0) opacity(0.85); /* Premium charcoal/black filter for light mode */
}

.logo-glow {
    position: absolute;
    width: 220px;
    height: 220px;
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 50%;
    background: transparent;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.25);
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.15), inset 0 0 10px rgba(212, 175, 55, 0.15);
    z-index: -1;
}

body.light-theme .logo-glow {
    border-color: rgba(0, 0, 0, 0.2);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.04), inset 0 0 10px rgba(0, 0, 0, 0.04);
}

/* --- Premium Custom Cursor --- */
@media (hover: hover) and (pointer: fine) {
    body.entrance-animating,
    body.entrance-animating * {
        cursor: none !important;
    }
    
    body.entrance-animating .custom-cursor-dot {
        opacity: 0 !important;
        pointer-events: none !important;
    }

    html, body {
        cursor: none;
    }
    a, button, [role="button"], .thumb-card, .philosopher-card, .slider-arrow, .carousel-arrow, .tab-btn {
        cursor: none;
    }
    
    .custom-cursor-dot {
        width: 8px;
        height: 8px;
        background-color: var(--gold);
        border: 0px solid var(--gold);
        border-radius: 50%;
        position: fixed;
        top: 0;
        left: 0;
        pointer-events: none;
        z-index: 9999999;
        transform: translate(-50%, -50%);
        opacity: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: width 0.25s cubic-bezier(0.25, 1, 0.5, 1), 
                    height 0.25s cubic-bezier(0.25, 1, 0.5, 1), 
                    background-color 0.25s ease, 
                    border-color 0.25s ease,
                    border-width 0.25s ease,
                    opacity 0.15s ease;
    }
    
    .custom-cursor-dot::after {
        content: '';
        width: 0px;
        height: 0px;
        background-color: var(--gold);
        border-radius: 50%;
        position: absolute;
        transition: width 0.25s cubic-bezier(0.25, 1, 0.5, 1),
                    height 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    }
    
    .custom-cursor-ring {
        display: none !important;
    }
    
    /* Hover states for interactive elements */
    body.cursor-hover .custom-cursor-dot {
        width: 44px;
        height: 44px;
        background-color: rgba(212, 175, 55, 0.06);
        border: 1.5px solid var(--gold);
    }
    
    body.cursor-hover .custom-cursor-dot::after {
        width: 4px;
        height: 4px;
    }
    
    body.cursor-hover .custom-cursor-ring {
        display: none !important;
    }
}

/* --- Cursor Spotlight Glow --- */
.cursor-spotlight {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle 250px at var(--mouse-x, -999px) var(--mouse-y, -999px), rgba(212, 175, 55, 0.045) 0%, rgba(0, 0, 0, 0) 100%);
    pointer-events: none;
    z-index: 1;
}

body.light-theme .cursor-spotlight {
    background: radial-gradient(circle 250px at var(--mouse-x, -999px) var(--mouse-y, -999px), rgba(212, 175, 55, 0.08) 0%, rgba(255, 255, 255, 0) 100%);
}

/* --- Top Reading / Loading Progress Bar --- */
#top-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--gold) 0%, #ffe066 50%, var(--gold) 100%);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.7);
    z-index: 100001;
    pointer-events: none;
}

/* --- Responsive Mobile Menu Overlay --- */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(3, 5, 8, 0.98);
    backdrop-filter: blur(30px);
    z-index: 100000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

body.light-theme .mobile-menu-overlay {
    background-color: rgba(247, 246, 242, 0.98);
}

.mobile-menu-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.close-menu-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    font-size: 3rem;
    color: var(--text-primary);
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.close-menu-btn:hover {
    color: var(--gold);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    align-items: center;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s, transform 0.3s;
}

.mobile-nav-link:hover {
    color: var(--gold);
    transform: scale(1.05);
}

.mobile-nav-link.active {
    color: var(--gold);
}

/* --- Video Iframe Styling --- */
.video-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
    background-color: #000;
}

/* --- Mobile Carousel Fixes & Statue heights --- */
@media (max-width: 768px) {
    .philosophers-grid {
        grid-template-columns: 1fr;
        position: relative;
        overflow: hidden;
        min-height: 440px;
    }
    .philosopher-card {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        visibility: hidden;
        transform: scale(0.9) translateY(20px);
        transition: opacity 0.5s, transform 0.5s, visibility 0.5s;
    }
    .philosopher-card.active {
        opacity: 1;
        visibility: visible;
        transform: scale(1) translateY(0);
    }
    .main-bust-container {
        height: 380px !important;
    }
    .gold-bust-img {
        max-height: 280px !important;
    }
    .why-left {
        height: 320px !important;
    }
    .hero-footer {
        padding: 0.8rem 4% !important;
    }
    .hero-footer-left {
        display: none !important;
    }
    .hero-footer-right {
        gap: 1.5rem !important;
        width: 100% !important;
        justify-content: space-between !important;
    }
}

/* --- New Custom Vector SVG Logo styling & hover interaction --- */
.logo-svg-new {
    width: 34px;
    height: 34px;
    display: inline-block;
    vertical-align: middle;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-logo:hover .logo-svg-new {
    transform: rotate(15deg) scale(1.08);
}