/* ============================================
   miris.quest — Zen Quest Garden
   ============================================ */

/* --- Color Palette ---
   Stone Dark:    #2A2818
   Moss:          #8A9070
   Sand:          #7A6A50
   Warm Accent:   #B87050
   Warm Grey:     #4A4838
   Parchment:     #E8E4DC
   Light Sand:    #F0E8D8
   ---------------------- */

:root {
    --stone-dark: #2A2818;
    --moss: #8A9070;
    --sand: #7A6A50;
    --warm-accent: #B87050;
    --warm-grey: #4A4838;
    --parchment: #E8E4DC;
    --light-sand: #F0E8D8;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans', sans-serif;
    font-weight: 300;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.85;
    color: var(--warm-grey);
    background-color: var(--parchment);
    overflow-x: hidden;
    position: relative;
}

/* --- Sand Particle Canvas --- */
#sand-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}

/* --- Raked Lines Background --- */
#raked-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 2.5s ease;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 18px,
            rgba(122, 106, 80, 0.055) 18px,
            rgba(122, 106, 80, 0.055) 19px,
            transparent 19px,
            transparent 22px
        ),
        repeating-linear-gradient(
            3deg,
            transparent,
            transparent 40px,
            rgba(122, 106, 80, 0.025) 40px,
            rgba(122, 106, 80, 0.025) 41px,
            transparent 41px,
            transparent 55px
        );
}

#raked-lines.visible {
    opacity: 1;
}

/* --- Opening Section --- */
#garden-opening {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.garden-title {
    text-align: center;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 2s ease, transform 2s ease;
}

.garden-title.revealed {
    opacity: 1;
    transform: translateY(0);
}

.site-title {
    font-family: 'Newsreader', serif;
    font-weight: 600;
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--stone-dark);
    letter-spacing: 0.14em;
    margin-bottom: 0.5rem;
}

.title-dot {
    color: var(--warm-accent);
    transition: opacity 0.6s ease;
}

.site-subtitle {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--sand);
    letter-spacing: 0.08em;
}

.title-underline {
    width: 60px;
    height: 1px;
    background: var(--sand);
    margin: 1.5rem auto 0;
    opacity: 0;
    transform: scaleX(0);
    transition: opacity 1.2s ease 1s, transform 1.2s ease 1s;
}

.garden-title.revealed .title-underline {
    opacity: 0.4;
    transform: scaleX(1);
}

/* --- Scroll Hint --- */
.scroll-hint {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 1.5s ease 2.5s, transform 1.5s ease 2.5s;
}

.garden-title.revealed ~ .scroll-hint {
    opacity: 1;
    transform: translateY(0);
}

.scroll-hint-text {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--sand);
    letter-spacing: 0.06em;
    opacity: 0.6;
}

.scroll-hint-arrow {
    animation: scroll-bob 2.5s ease-in-out infinite;
}

@keyframes scroll-bob {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50% { transform: translateY(6px); opacity: 0.8; }
}

/* --- Quest Garden Section --- */
#quest-garden {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem 8rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 3rem;
}

/* --- Quest Stones --- */
.quest-stone {
    position: relative;
    background: var(--light-sand);
    border-radius: 6px;
    padding: 2.5rem 2rem;
    cursor: pointer;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px) scale(0.97);
    transition:
        opacity 1s ease,
        transform 1s ease,
        box-shadow 0.6s ease,
        padding 0.6s ease,
        max-height 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 320px;
    box-shadow: 0 2px 12px rgba(42, 40, 24, 0.06);
}

.quest-stone.materialized {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.quest-stone:hover {
    box-shadow: 0 6px 28px rgba(42, 40, 24, 0.12);
    transform: translateY(-2px) scale(1);
}

.quest-stone[data-expanded="true"] {
    max-height: 650px;
    padding: 3rem 2rem;
    box-shadow: 0 8px 36px rgba(42, 40, 24, 0.14);
}

.quest-stone[data-expanded="true"]:hover {
    transform: translateY(0) scale(1);
}

/* Zen asymmetric placement offsets */
.stone-1 {
    grid-column: 1;
    margin-top: 0;
}

.stone-2 {
    grid-column: 2;
    margin-top: 4rem;
}

.stone-3 {
    grid-column: 3;
    margin-top: 1.5rem;
}

.stone-4 {
    grid-column: 1;
    margin-top: -1rem;
}

.stone-5 {
    grid-column: 2;
    margin-top: 2rem;
}

.stone-6 {
    grid-column: 3;
    margin-top: -0.5rem;
}

/* --- Marble Texture Panel --- */
.stone-marble {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(122, 106, 80, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(138, 144, 112, 0.4) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 80%, rgba(184, 112, 80, 0.3) 0%, transparent 45%),
        linear-gradient(135deg, rgba(42, 40, 24, 0.1) 0%, transparent 30%, rgba(122, 106, 80, 0.15) 60%, transparent 80%);
    background-size: 200% 200%, 180% 180%, 160% 160%, 100% 100%;
    animation: marble-drift 25s ease-in-out infinite alternate;
}

@keyframes marble-drift {
    0% {
        background-position: 0% 0%, 100% 0%, 50% 100%, 0% 0%;
    }
    100% {
        background-position: 100% 100%, 0% 100%, 100% 0%, 100% 100%;
    }
}

/* --- Stone Content --- */
.stone-content {
    position: relative;
    z-index: 1;
}

.quest-annotation {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--sand);
    display: block;
    margin-bottom: 0.6rem;
    letter-spacing: 0.05em;
}

.stone-heading {
    font-family: 'Newsreader', serif;
    font-weight: 600;
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    color: var(--stone-dark);
    margin-bottom: 0.75rem;
    line-height: 1.35;
    transition: color 0.4s ease;
}

.quest-stone:hover .stone-heading {
    color: var(--warm-accent);
}

.quest-stone[data-expanded="true"] .stone-heading {
    color: var(--warm-accent);
}

.stone-summary {
    font-family: 'Noto Sans', sans-serif;
    font-weight: 300;
    color: var(--warm-grey);
    line-height: 1.75;
    margin-bottom: 0;
}

.stone-detail {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease 0.15s, margin-top 0.5s ease;
    margin-top: 0;
}

.quest-stone[data-expanded="true"] .stone-detail {
    max-height: 350px;
    opacity: 1;
    margin-top: 1.2rem;
}

.stone-detail p {
    font-family: 'Noto Sans', sans-serif;
    font-weight: 300;
    color: var(--warm-grey);
    line-height: 1.85;
    margin-bottom: 0.8rem;
}

.stone-reflection {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--moss);
    font-style: normal;
    line-height: 1.6;
}

/* --- Stone Expand Indicator --- */
.stone-expand-indicator {
    position: absolute;
    bottom: 1rem;
    right: 1.2rem;
    width: 14px;
    height: 14px;
    opacity: 0.3;
    transition: opacity 0.4s ease;
}

.quest-stone:hover .stone-expand-indicator {
    opacity: 0.6;
}

.expand-line {
    position: absolute;
    background: var(--sand);
    transition: transform 0.4s ease;
}

.expand-line-h {
    width: 14px;
    height: 1px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.expand-line-v {
    width: 1px;
    height: 14px;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

.quest-stone[data-expanded="true"] .expand-line-v {
    transform: translateX(-50%) scaleY(0);
}

/* --- Top Edge Accent on Expanded Stone --- */
.quest-stone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--warm-accent), transparent);
    opacity: 0;
    transition: opacity 0.6s ease;
}

.quest-stone[data-expanded="true"]::before {
    opacity: 0.5;
}

/* --- Footer --- */
#garden-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 4rem 2rem 5rem;
}

.footer-zen-line {
    width: 80px;
    height: 1px;
    background: var(--sand);
    margin: 0 auto 2rem;
    opacity: 0.4;
}

.footer-text {
    font-family: 'Newsreader', serif;
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--sand);
    letter-spacing: 0.1em;
}

.footer-annotation {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--moss);
    display: block;
    margin-bottom: 0.4rem;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    #quest-garden {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        padding: 3rem 1.5rem 6rem;
    }

    .stone-1 { grid-column: 1; margin-top: 0; }
    .stone-2 { grid-column: 2; margin-top: 2rem; }
    .stone-3 { grid-column: 1; margin-top: 0; }
    .stone-4 { grid-column: 2; margin-top: 1.5rem; }
    .stone-5 { grid-column: 1; margin-top: 0; }
    .stone-6 { grid-column: 2; margin-top: 1rem; }
}

@media (max-width: 600px) {
    #quest-garden {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 1.25rem 5rem;
    }

    .stone-1,
    .stone-2,
    .stone-3,
    .stone-4,
    .stone-5,
    .stone-6 {
        grid-column: 1;
        margin-top: 0;
    }

    .quest-stone {
        padding: 2rem 1.5rem;
    }

    .quest-stone[data-expanded="true"] {
        padding: 2.5rem 1.5rem;
    }

    .scroll-hint {
        bottom: 2rem;
    }
}