/* ============================================
   thesecond.quest - Design Language Styles
   Zen Garden + Dark Neon + Marble Classical
   ============================================ */

/* CSS Custom Properties */
:root {
    --bg-primary: #0A0A0F;
    --bg-secondary: #141418;
    --marble-light: #E8DFD0;
    --marble-vein: #8B7D6B;
    --text-primary: #C4B8A6;
    --text-headline: #F0E8DA;
    --neon-jade: #00E5A0;
    --neon-amber: #FFB347;
    --deep-teal: #0D3B3B;
    --obsidian-highlight: #1E1E28;

    --font-headline: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'Karla', 'Helvetica Neue', sans-serif;
    --font-mono: 'Azeret Mono', 'Courier New', monospace;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    line-height: 1.85;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Luminous Veins SVG Layer
   ============================================ */
.veins-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}

.vein {
    fill: none;
    stroke: var(--neon-jade);
    stroke-width: 1;
    opacity: 0;
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    animation: vein-draw 4s ease-out forwards, vein-pulse 5s ease-in-out infinite;
}

.vein-1 { animation-delay: 2s, 6s; opacity: 0.3; }
.vein-2 { animation-delay: 2.5s, 6.5s; opacity: 0.25; }
.vein-3 { animation-delay: 3s, 7s; opacity: 0.2; }
.vein-4 { animation-delay: 3.5s, 7.5s; opacity: 0.15; }
.vein-5 { animation-delay: 4s, 8s; opacity: 0.2; }

@keyframes vein-draw {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes vein-pulse {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 0.4; }
}

/* ============================================
   Dust Particle Canvas
   ============================================ */
#dust-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3;
    overflow: hidden;
}

.marble-sphere-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.marble-sphere {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    position: relative;
    opacity: 0;
    animation: sphere-fade-in 2s ease-out 1.5s forwards;
    perspective: 600px;
}

.marble-sphere-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    animation: sphere-rotate 20s linear infinite;
    transform-style: preserve-3d;
    background: radial-gradient(
        ellipse at 35% 30%,
        var(--marble-light) 0%,
        #D4C9B8 30%,
        var(--marble-vein) 60%,
        #6B5F50 85%,
        #4A3F33 100%
    );
    box-shadow:
        inset -30px -30px 60px rgba(0, 0, 0, 0.5),
        inset 20px 20px 40px rgba(232, 223, 208, 0.3),
        0 0 80px rgba(232, 223, 208, 0.15),
        0 0 120px rgba(0, 229, 160, 0.05);
}

.marble-surface {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(
        ellipse at 30% 25%,
        rgba(255, 255, 255, 0.25) 0%,
        transparent 50%
    );
}

.marble-highlight {
    position: absolute;
    top: 15%;
    left: 20%;
    width: 35%;
    height: 25%;
    border-radius: 50%;
    background: radial-gradient(
        ellipse,
        rgba(255, 255, 255, 0.4) 0%,
        transparent 70%
    );
    filter: blur(8px);
}

.marble-vein {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.marble-vein-a {
    top: 20%;
    left: 10%;
    width: 80%;
    height: 15%;
    background: linear-gradient(90deg, transparent, var(--marble-vein), transparent);
    transform: rotate(-15deg);
}

.marble-vein-b {
    top: 50%;
    left: 5%;
    width: 70%;
    height: 10%;
    background: linear-gradient(90deg, transparent, var(--marble-vein), transparent);
    transform: rotate(8deg);
}

.marble-vein-c {
    top: 70%;
    left: 20%;
    width: 60%;
    height: 8%;
    background: linear-gradient(90deg, transparent, var(--marble-vein), transparent);
    transform: rotate(-5deg);
}

@keyframes sphere-fade-in {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes sphere-rotate {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.hero-title {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: clamp(3rem, 8vw, 6rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-headline);
    margin-top: 55px;
    opacity: 0;
    text-align: center;
    position: relative;
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
    animation: char-appear 0.3s ease-out forwards;
}

.hero-tagline {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-primary);
    margin-top: 34px;
    opacity: 0;
    letter-spacing: 0.05em;
    text-align: center;
}

@keyframes char-appear {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.scroll-hint {
    position: absolute;
    bottom: 55px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 13px;
    opacity: 0;
    animation: scroll-hint-fade 1.5s ease-out 6s forwards;
}

.scroll-hint-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--neon-jade);
}

.scroll-hint-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--neon-jade), transparent);
    animation: scroll-line-move 2s ease-in-out infinite;
}

@keyframes scroll-hint-fade {
    to { opacity: 0.7; }
}

@keyframes scroll-line-move {
    0%, 100% { transform: translateY(0); opacity: 0.7; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* ============================================
   THE DESCENT - Skeleton Loading Section
   ============================================ */
.descent {
    position: relative;
    min-height: 100vh;
    padding: 144px 20%;
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 89px;
    align-items: center;
}

.skeleton-block {
    width: 100%;
    max-width: 540px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 34px;
}

.skeleton-line {
    height: 14px;
    background: var(--obsidian-highlight);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skeleton-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 229, 160, 0.08),
        transparent
    );
    animation: shimmer 2.5s linear infinite;
}

.skeleton-line-wide { width: 100%; }
.skeleton-line-medium { width: 72%; }
.skeleton-line-narrow { width: 48%; }

.skeleton-1 { align-self: flex-start; }
.skeleton-2 { align-self: center; }
.skeleton-3 { align-self: flex-end; }

@keyframes shimmer {
    to { left: 100%; }
}

.skeleton-block.resolved .skeleton-line {
    animation: skeleton-resolve 1.2s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes skeleton-resolve {
    to {
        background: var(--text-primary);
        opacity: 0.3;
        height: 2px;
    }
}

/* ============================================
   ACT I: THREE STONES
   ============================================ */
.act-one {
    position: relative;
    z-index: 3;
    padding-bottom: 144px;
}

.stone {
    max-width: 540px;
    padding: 55px 34px;
    margin-bottom: 100vh;
    position: relative;
}

.stone-left {
    margin-left: 15%;
    margin-right: auto;
}

.stone-center {
    margin-left: auto;
    margin-right: auto;
}

.stone-right {
    margin-left: auto;
    margin-right: 15%;
}

.stone-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--neon-jade);
    display: block;
    margin-bottom: 21px;
}

.stone-marker {
    width: 60px;
    height: 1px;
    background: var(--neon-jade);
    margin-bottom: 34px;
    opacity: 0.6;
}

.stone-heading {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-headline);
    margin-bottom: 21px;
    line-height: 1.2;
}

.stone-text {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.85;
    max-width: 480px;
}

/* ============================================
   ACT II: THE MARBLE BREAK
   ============================================ */
.act-two {
    position: relative;
    z-index: 3;
}

.marble-band {
    width: 100%;
    min-height: 100vh;
    padding: 144px 10%;
    background:
        linear-gradient(
            135deg,
            var(--marble-light) 0%,
            #DDD4C4 25%,
            var(--marble-light) 40%,
            #D0C5B3 55%,
            var(--marble-light) 70%,
            #CFC4B2 85%,
            var(--marble-light) 100%
        );
    position: relative;
    overflow: hidden;
}

/* Marble vein texture overlay */
.marble-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(137deg, transparent 30%, rgba(139, 125, 107, 0.15) 31%, transparent 32%),
        linear-gradient(42deg, transparent 55%, rgba(139, 125, 107, 0.1) 56%, transparent 57%),
        linear-gradient(165deg, transparent 70%, rgba(139, 125, 107, 0.12) 71%, transparent 72%),
        linear-gradient(80deg, transparent 20%, rgba(139, 125, 107, 0.08) 21%, transparent 22%),
        linear-gradient(200deg, transparent 45%, rgba(139, 125, 107, 0.1) 46%, transparent 47%);
    pointer-events: none;
}

.marble-band::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(139, 125, 107, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(139, 125, 107, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 80%, rgba(139, 125, 107, 0.06) 0%, transparent 35%);
    pointer-events: none;
}

.marble-columns {
    display: flex;
    gap: 0;
    align-items: flex-start;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.marble-column {
    flex: 1;
    padding: 0 34px;
}

.marble-column-heading {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bg-primary);
    margin-bottom: 21px;
    line-height: 1.3;
}

.marble-column-text {
    font-family: var(--font-body);
    color: rgba(10, 10, 15, 0.85);
    line-height: 1.85;
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
}

.marble-divider {
    width: 1px;
    min-height: 300px;
    background: linear-gradient(to bottom, transparent, var(--neon-jade), transparent);
    opacity: 0.5;
    flex-shrink: 0;
    align-self: stretch;
}

/* ============================================
   ACT III: FINAL CHAMBER
   ============================================ */
.act-three {
    position: relative;
    min-height: 250vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    padding: 233px 0;
}

.final-column {
    max-width: 480px;
    padding: 0 34px;
    text-align: center;
    z-index: 2;
}

.final-column .stone-label {
    margin-bottom: 55px;
}

.final-text {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.85;
    margin-bottom: 34px;
}

.final-text-emphasis {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-headline);
    letter-spacing: 0.1em;
    margin-top: 55px;
}

/* Marble Fragments */
.marble-fragment {
    position: absolute;
    z-index: 1;
}

.fragment-left {
    left: 8%;
    top: 40%;
}

.fragment-right {
    right: 8%;
    top: 55%;
}

.fragment-shape {
    width: 120px;
    height: 160px;
    position: relative;
}

.fragment-left .fragment-shape {
    clip-path: polygon(0% 20%, 60% 0%, 100% 40%, 80% 100%, 10% 80%);
    background: linear-gradient(
        135deg,
        var(--marble-light) 0%,
        #D4C9B8 40%,
        var(--marble-vein) 70%,
        #6B5F50 100%
    );
    animation: fragment-float-left 12s ease-in-out infinite, fragment-rotate 25s linear infinite;
    box-shadow: 0 0 40px rgba(232, 223, 208, 0.1);
}

.fragment-right .fragment-shape {
    clip-path: polygon(20% 0%, 100% 15%, 90% 70%, 40% 100%, 0% 60%);
    background: linear-gradient(
        225deg,
        var(--marble-light) 0%,
        #CFC4B2 35%,
        var(--marble-vein) 65%,
        #5C5245 100%
    );
    animation: fragment-float-right 14s ease-in-out infinite, fragment-rotate-reverse 30s linear infinite;
    box-shadow: 0 0 40px rgba(232, 223, 208, 0.1);
}

@keyframes fragment-float-left {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-25px); }
}

@keyframes fragment-float-right {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(20px); }
}

@keyframes fragment-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes fragment-rotate-reverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

/* ============================================
   TERMINUS
   ============================================ */
.terminus {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
}

.terminus-text {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--neon-jade);
    opacity: 0;
    text-align: center;
    text-shadow: 0 0 40px rgba(0, 229, 160, 0.3);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-block {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.25, 0.1, 0.25, 1),
                transform 1.2s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.reveal-block.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   GREEK MEANDER DECORATIVE ELEMENTS
   ============================================ */
.meander {
    position: fixed;
    pointer-events: none;
    z-index: 1;
    color: var(--neon-jade);
    opacity: 0;
    transition: opacity 2s ease;
}

.meander svg {
    width: 200px;
    height: 20px;
}

.meander-1 {
    top: 30%;
    right: 5%;
    transform: rotate(90deg);
}

.meander-2 {
    bottom: 20%;
    left: 5%;
    transform: rotate(-90deg);
}

.meander.visible {
    opacity: 0.15;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .marble-columns {
        flex-direction: column;
        gap: 55px;
    }

    .marble-divider {
        width: 60%;
        height: 1px;
        min-height: 1px;
        margin: 0 auto;
    }

    .stone-left,
    .stone-center,
    .stone-right {
        margin-left: 8%;
        margin-right: 8%;
    }

    .descent {
        padding: 89px 8%;
    }

    .marble-fragment {
        display: none;
    }

    .marble-band {
        padding: 89px 6%;
    }

    .marble-sphere {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 600px) {
    .stone-left,
    .stone-center,
    .stone-right {
        margin-left: 5%;
        margin-right: 5%;
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }

    .marble-band {
        padding: 55px 5%;
    }

    .marble-column {
        padding: 0 13px;
    }
}

/* ============================================
   PREFERS REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .marble-sphere-inner {
        animation: none;
    }

    .fragment-left .fragment-shape,
    .fragment-right .fragment-shape {
        animation: none;
    }

    .vein {
        animation: none;
        opacity: 0.2;
        stroke-dashoffset: 0;
    }

    #dust-canvas {
        display: none;
    }

    .skeleton-line::after {
        animation: none;
    }

    .scroll-hint-line {
        animation: none;
    }
}