/* sora.market - Graffiti-tagged cloud bazaar at golden hour */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.72;
    letter-spacing: 0.01em;
    color: #2a2420;
    background-color: #e8ddd0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ========== SVG Filters (hidden) ========== */
.svg-filters {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* ========== Grain Overlay ========== */
.grain-overlay {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.06;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-size: 300px 300px;
    animation: grainShift 8s steps(10) infinite;
}

@keyframes grainShift {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(-15%, 5%); }
    30% { transform: translate(7%, -15%); }
    40% { transform: translate(-5%, 15%); }
    50% { transform: translate(-15%, 10%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 10%); }
    80% { transform: translate(3%, -20%); }
    90% { transform: translate(-10%, 10%); }
}

/* ========== Navigation Glyph ========== */
.nav-glyph {
    position: fixed;
    top: 2rem;
    left: 2rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.8rem;
    color: #a84832;
    opacity: 0.5;
    cursor: pointer;
    z-index: 900;
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
    user-select: none;
}

.nav-glyph:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

.nav-glyph.active {
    opacity: 0.9;
}

/* ========== Navigation Overlay ========== */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(42, 36, 32, 0.85);
    z-index: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-out;
    backdrop-filter: blur(8px);
}

.nav-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.nav-overlay-items {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.nav-item {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: #e8ddd0;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out, color 0.3s ease-out;
    letter-spacing: 0.05em;
}

.nav-overlay.open .nav-item {
    opacity: 1;
    transform: translateY(0);
}

.nav-overlay.open .nav-item:nth-child(1) { transition-delay: 0.1s; }
.nav-overlay.open .nav-item:nth-child(2) { transition-delay: 0.2s; }
.nav-overlay.open .nav-item:nth-child(3) { transition-delay: 0.3s; }
.nav-overlay.open .nav-item:nth-child(4) { transition-delay: 0.4s; }

.nav-item:hover {
    color: #d4a03c;
}

/* ========== Cultural Motifs ========== */
.cultural-motifs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.motif {
    position: absolute;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    color: #2a2420;
    opacity: 0.08;
    user-select: none;
}

.motif-1 { top: 8%; left: 85%; font-size: 6rem; transform: rotate(-15deg); }
.motif-2 { top: 22%; left: 5%; font-size: 3rem; transform: rotate(8deg); }
.motif-3 { top: 45%; left: 90%; font-size: 4.5rem; transform: rotate(-5deg); }
.motif-4 { top: 60%; left: 8%; font-size: 2.5rem; transform: rotate(12deg); }
.motif-5 { top: 75%; left: 80%; font-size: 3.5rem; transform: rotate(-10deg); }
.motif-6 { top: 35%; left: 70%; font-size: 5rem; transform: rotate(3deg); }
.motif-7 { top: 88%; left: 15%; font-size: 2.8rem; transform: rotate(-7deg); }
.motif-8 { top: 15%; left: 50%; font-size: 3.2rem; transform: rotate(6deg); }

/* ========== Zone Base ========== */
.zone {
    position: relative;
    min-height: 100vh;
    width: 100%;
}

/* ========== Zone 1: Tag Wall ========== */
.zone-tagwall {
    background-color: #e8ddd0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.tag-wall-surface {
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    text-align: center;
}

.graffiti-tag {
    width: 100%;
    max-width: 80vw;
    margin: 0 auto;
    clip-path: inset(0 100% 0 0);
    animation: tagReveal 2s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
}

@keyframes tagReveal {
    to {
        clip-path: inset(0 0% 0 0);
    }
}

.tag-svg {
    width: 100%;
    height: auto;
    display: block;
}

.tagline {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    color: #7a6e62;
    margin-top: 3rem;
    letter-spacing: 0.02em;
    opacity: 0;
    animation: fadeIn 1.5s ease-out 2s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ========== Zone 2: Stalls ========== */
.zone-stalls {
    background: linear-gradient(to bottom, #e8ddd0, #e0d0be);
    padding: 8rem 0 12rem;
}

.stalls-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.stall {
    position: relative;
    background: rgba(232, 221, 208, 0.7);
    padding: 2.5rem 2.5rem 2.5rem 3rem;
    width: 90%;
    transform: rotate(var(--stall-rotate, 0deg)) translateX(var(--stall-offset, 0px));
    box-shadow: 0 4px 30px rgba(42, 36, 32, 0.12);
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out, border-left 0.3s ease-out;
    border-left: 3px solid transparent;
}

.stall.stall-reveal {
    opacity: 0;
    transform: translateY(40px) rotate(calc(var(--stall-rotate, 0deg) + 3deg)) translateX(var(--stall-offset, 0px));
}

.stall.stall-reveal.visible {
    opacity: 1;
    transform: rotate(var(--stall-rotate, 0deg)) translateX(var(--stall-offset, 0px));
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease-out, border-left 0.3s ease-out;
}

.stall:hover {
    transform: rotate(0deg) translateX(var(--stall-offset, 0px));
    box-shadow: 0 8px 40px rgba(42, 36, 32, 0.2);
    border-left: 3px solid #d4a03c;
}

.stall:hover .stall-motif {
    opacity: 0.25;
}

.stall-motif {
    position: absolute;
    top: 0.8rem;
    right: 1.2rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2.5rem;
    color: #2a2420;
    opacity: 0.12;
    pointer-events: none;
    transition: opacity 0.3s ease-out;
}

.stall-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: #2a2420;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.stall-body {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    color: #2a2420;
    max-width: 38em;
    line-height: 1.72;
}

.pull-quote {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: #a84832;
    transform: rotate(-1.5deg);
    padding: 1rem 2rem;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ========== Zone 3: Sky Break ========== */
.zone-sky {
    min-height: 100vh;
    background: linear-gradient(to top, #c4785a, #d4a08a 50%, #b8aea4);
    position: relative;
    overflow: hidden;
    scroll-snap-align: start;
}

.zone-sky .grain-overlay-local {
    mix-blend-mode: soft-light;
    opacity: 0.08;
}

.sky-content {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.crane {
    position: absolute;
    pointer-events: none;
}

.crane-1 {
    width: clamp(200px, 25vw, 300px);
    top: 30%;
    right: -320px;
    animation: craneDrift1 30s linear infinite;
}

.crane-2 {
    width: clamp(140px, 18vw, 200px);
    top: 55%;
    right: -220px;
    animation: craneDrift2 30s linear infinite;
    animation-delay: 12s;
}

@keyframes craneDrift1 {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-100vw - 600px)); }
}

@keyframes craneDrift2 {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-100vw - 440px)); }
}

/* ========== Zone 4: Archive Alley ========== */
.zone-alley {
    background-color: #d4a574;
    padding: 8rem 0 10rem;
    position: relative;
}

.alley-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.noren-divider {
    width: 20px;
    height: 120px;
    opacity: 0.2;
}

.ema-card {
    position: relative;
    max-width: 480px;
    width: 85%;
    background: rgba(232, 221, 208, 0.5);
    padding: 2rem 2rem 2.5rem;
    border-radius: 8px 8px 50% 50% / 8px 8px 20px 20px;
    box-shadow: 0 4px 25px rgba(42, 36, 32, 0.15);
    transform: perspective(600px) rotateY(2deg) translateX(var(--ema-offset, 0px));
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.ema-card.ema-reveal {
    opacity: 0;
    transform: translateY(30px) perspective(600px) rotateY(2deg) translateX(var(--ema-offset, 0px));
}

.ema-card.ema-reveal.visible {
    opacity: 1;
    transform: perspective(600px) rotateY(2deg) translateX(var(--ema-offset, 0px));
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease-out;
}

.ema-card:hover {
    transform: perspective(600px) rotateY(0deg) translateX(var(--ema-offset, 0px));
    box-shadow: 0 8px 35px rgba(42, 36, 32, 0.22);
}

.ema-motif {
    position: absolute;
    top: 0.6rem;
    right: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.8rem;
    color: #2a2420;
    opacity: 0.1;
    pointer-events: none;
}

.ema-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: #3a3028;
    margin-bottom: 0.8rem;
}

.ema-body {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    color: #3a3028;
    line-height: 1.7;
}

/* ========== Zone 5: Horizon ========== */
.zone-horizon {
    min-height: 100vh;
    background: linear-gradient(to top, #d4a08a, #b8aea4 50%, #c8c0b8);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.horizon-content {
    text-align: center;
}

.horizon-glyph {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(4rem, 8vw, 6rem);
    color: #a84832;
    animation: horizonPulse 4s ease-in-out infinite;
    user-select: none;
}

@keyframes horizonPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.horizon-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 300;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #7a6e62;
    margin-top: 2rem;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .nav-glyph {
        top: 1.2rem;
        left: 1.2rem;
        font-size: 1.4rem;
    }

    .stalls-container {
        padding: 0 1.2rem;
        gap: 4rem;
    }

    .stall {
        width: 95%;
        padding: 1.8rem;
        --stall-offset: 0px !important;
    }

    .ema-card {
        width: 92%;
        --ema-offset: 0px !important;
    }

    .pull-quote {
        padding: 0.5rem 1rem;
    }

    .alley-container {
        padding: 0 1.2rem;
    }

    .motif {
        display: none;
    }
}