/* economic.day - The Concrete Market Wall */
/* Colors: Ocean-Deep Concrete palette */
:root {
    --abyssal-ink: #0A1C34;
    --deep-current: #0F3460;
    --tidal-foam: #16213E;
    --oxidized-copper: #E07A3A;
    --phosphor-wash: #53C1DE;
    --concrete-dust: #C4BFB6;
    --wet-concrete: #2B2D30;
    --crystal-facet: #A8EDEA;
    --surface-dark: #33353A;
    --wght: 100;
    --flar: 80;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-snap-type: y proximity;
    scroll-behavior: smooth;
}

body {
    background-color: var(--abyssal-ink);
    color: var(--concrete-dust);
    font-family: 'Work Sans', sans-serif;
    font-weight: 400;
    font-size: 18px;
    line-height: 1.72;
    letter-spacing: 0.015em;
    overflow-x: hidden;
}

/* ===== WALL SECTIONS ===== */
.wall {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    scroll-snap-align: start;
}

.wall-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
}

/* Triple-layer concrete noise texture */
.wall-concrete {
    background-color: var(--abyssal-ink);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect x='0' y='0' width='1' height='1' fill='%232B2D30' opacity='0.4'/%3E%3Crect x='2' y='1' width='1' height='1' fill='%2333353A' opacity='0.3'/%3E%3Crect x='1' y='3' width='1' height='1' fill='%232B2D30' opacity='0.35'/%3E%3Crect x='3' y='2' width='1' height='1' fill='%2333353A' opacity='0.25'/%3E%3C/svg%3E"),
        repeating-linear-gradient(
            43deg,
            transparent,
            transparent 1px,
            rgba(43,45,48,0.15) 1px,
            rgba(43,45,48,0.15) 2px
        ),
        radial-gradient(
            ellipse at 50% 50%,
            rgba(43,45,48,0.2) 0%,
            rgba(10,28,52,0.4) 50%,
            rgba(10,28,52,0.8) 100%
        );
    background-size: 4px 4px, auto, 100% 100%;
    background-repeat: repeat, repeat, no-repeat;
}

.wall-dark {
    background-color: var(--abyssal-ink);
    background-image:
        radial-gradient(
            ellipse at 50% 50%,
            var(--tidal-foam) 0%,
            var(--abyssal-ink) 70%
        );
}

/* Noise floor animated texture */
.wall-noise {
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect x='0' y='0' width='1' height='1' fill='%232B2D30' opacity='0.5'/%3E%3Crect x='2' y='1' width='1' height='1' fill='%2333353A' opacity='0.4'/%3E%3Crect x='1' y='3' width='1' height='1' fill='%232B2D30' opacity='0.45'/%3E%3Crect x='3' y='2' width='1' height='1' fill='%2333353A' opacity='0.35'/%3E%3C/svg%3E"),
        repeating-conic-gradient(
            from 0deg at 50% 50%,
            rgba(43,45,48,0.1) 0deg,
            transparent 1deg,
            transparent 5deg,
            rgba(51,53,58,0.08) 5deg,
            transparent 6deg
        ),
        repeating-linear-gradient(
            43deg,
            transparent,
            transparent 1px,
            rgba(43,45,48,0.2) 1px,
            rgba(43,45,48,0.2) 2px
        ),
        radial-gradient(
            ellipse at 40% 60%,
            rgba(43,45,48,0.3) 0%,
            rgba(10,28,52,0.6) 50%,
            rgba(10,28,52,0.9) 100%
        );
    animation: noiseShift 30s linear infinite;
}

@keyframes noiseShift {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 40px 40px, 20px 20px, -30px 10px, 0 0; }
}

/* ===== TYPOGRAPHY ===== */
.stencil-title {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(72px, 12vw, 180px);
    font-variation-settings: 'wght' var(--wght), 'FLAR' var(--flar);
    color: var(--concrete-dust);
    text-transform: lowercase;
    letter-spacing: -0.02em;
    line-height: 1;
    mix-blend-mode: normal;
    position: relative;
}

.stencil-title .stencil-letter {
    display: inline-block;
    font-variation-settings: 'wght' 100, 'FLAR' 80;
    transition: font-variation-settings 1.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.stencil-title.visible .stencil-letter {
    animation: sprayPaint 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes sprayPaint {
    0% {
        font-variation-settings: 'wght' 100, 'FLAR' 80;
        opacity: 0.4;
    }
    100% {
        font-variation-settings: 'wght' 800, 'FLAR' 0;
        opacity: 1;
    }
}

.wall-heading {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(48px, 8vw, 96px);
    color: var(--concrete-dust);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.1;
    margin-bottom: 3rem;
}

.wall-heading .stencil-letter {
    display: inline-block;
    font-variation-settings: 'wght' 100, 'FLAR' 80;
    transition: font-variation-settings 1.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.wall-heading.visible .stencil-letter {
    animation: sprayPaint 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.spray-tagline {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(18px, 3vw, 32px);
    font-weight: 600;
    color: var(--oxidized-copper);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transform: rotate(-0.8deg);
    margin-top: 1.5rem;
    text-shadow: 0 0 20px rgba(224, 122, 58, 0.3);
    opacity: 0;
    transition: opacity 0.8s ease 0.6s;
}

.wall.visible .spray-tagline {
    opacity: 1;
}

.spray-heading {
    transform: rotate(1.2deg);
}

/* ===== DRIP SVG ===== */
.drip-svg {
    position: relative;
    display: block;
    margin: 0 auto;
}

.drip-hero {
    width: 300px;
    height: 60px;
    margin-top: -10px;
}

.drip-card {
    width: 80px;
    height: 40px;
    margin-top: -5px;
}

.drip-path {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 2s ease-out;
}

.wall.visible .drip-path,
.flip-card.flipped .drip-path {
    stroke-dashoffset: 0;
}

/* ===== CARD GRID (Wall 2) ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(200px, 320px));
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
}

.flip-card {
    perspective: 1200px;
    height: 380px;
    cursor: default;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    padding: 2rem;
}

.flip-card-front {
    background-color: var(--concrete-dust);
    border: 1px solid rgba(43, 45, 48, 0.3);
}

.flip-card-back {
    background-color: var(--abyssal-ink);
    border: 1px solid rgba(168, 237, 234, 0.2);
    transform: rotateY(180deg);
}

.card-tag {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 900;
    color: var(--abyssal-ink);
    letter-spacing: 0.02em;
    text-shadow: 2px 2px 0 rgba(224, 122, 58, 0.15);
}

.crystal-diagram {
    width: 160px;
    height: 160px;
}

.crystal-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--phosphor-wash);
    letter-spacing: 0.05em;
    margin-top: 1rem;
    font-feature-settings: 'zero' 1;
}

/* ===== NOISE SIGNALS (Wall 3) ===== */
.noise-content {
    max-width: 900px;
}

.noise-signals {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 2rem;
}

.signal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    text-align: left;
    padding: 1.5rem 2rem;
    position: relative;
    border-left: 3px solid var(--oxidized-copper);
    background: rgba(43, 45, 48, 0.3);
}

.signal.signal-visible {
    opacity: 1;
    transform: translateY(0);
}

.signal-1 { transform: rotate(-0.5deg) translateY(20px); }
.signal-2 { transform: rotate(0.8deg) translateY(20px); margin-left: 3rem; }
.signal-3 { transform: rotate(-1deg) translateY(20px); }
.signal-4 { transform: rotate(0.5deg) translateY(20px); margin-left: 2rem; }
.signal-5 { transform: rotate(-0.3deg) translateY(20px); margin-left: 1rem; }

.signal.signal-visible.signal-1 { transform: rotate(-0.5deg) translateY(0); }
.signal.signal-visible.signal-2 { transform: rotate(0.8deg) translateY(0); margin-left: 3rem; }
.signal.signal-visible.signal-3 { transform: rotate(-1deg) translateY(0); }
.signal.signal-visible.signal-4 { transform: rotate(0.5deg) translateY(0); margin-left: 2rem; }
.signal.signal-visible.signal-5 { transform: rotate(-0.3deg) translateY(0); margin-left: 1rem; }

.signal-text {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(16px, 2.5vw, 22px);
    font-weight: 500;
    color: var(--concrete-dust);
    line-height: 1.5;
    text-shadow: 0 0 8px rgba(10, 28, 52, 0.5);
}

.signal-data {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--phosphor-wash);
    letter-spacing: 0.08em;
    margin-top: 0.5rem;
    display: inline-block;
    font-feature-settings: 'zero' 1;
}

/* ===== CRYSTAL SECTION (Wall 4) ===== */
.crystal-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.crystal-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.crystal-main {
    width: 400px;
    height: 400px;
    flex-shrink: 0;
}

.crystal-facet {
    opacity: 0;
    transform-origin: center;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.crystal-main.growing .crystal-facet {
    opacity: 1;
}

.crystal-edge {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 3s ease-out;
}

.crystal-main.growing .crystal-edge {
    stroke-dashoffset: 0;
}

.crystal-annotations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.annotation {
    position: absolute;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.crystal-main.growing ~ .crystal-annotations .annotation {
    opacity: 1;
}

.annotation-1 {
    top: 15%;
    right: 0;
    text-align: left;
    max-width: 220px;
    transition-delay: 1s;
}

.annotation-2 {
    top: 50%;
    left: 0;
    text-align: left;
    max-width: 220px;
    transition-delay: 1.5s;
}

.annotation-3 {
    bottom: 15%;
    right: 5%;
    text-align: left;
    max-width: 220px;
    transition-delay: 2s;
}

.annotation-line {
    display: block;
    width: 30px;
    height: 1px;
    background: var(--crystal-facet);
    flex-shrink: 0;
    margin-top: 0.7em;
}

.annotation-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--crystal-facet);
    line-height: 1.5;
    letter-spacing: 0.01em;
}

/* ===== WALL 5 - CLOSING ===== */
.wall-closing {
    position: relative;
}

.wall-closing .wall-content {
    position: relative;
    z-index: 3;
}

.closing-title {
    opacity: 0.6;
    position: relative;
}

.closing-title.visible .stencil-letter {
    animation: sprayPaintFade 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes sprayPaintFade {
    0% {
        font-variation-settings: 'wght' 100, 'FLAR' 80;
        opacity: 0.2;
    }
    100% {
        font-variation-settings: 'wght' 800, 'FLAR' 0;
        opacity: 0.6;
    }
}

.closing-line {
    font-family: 'Commissioner', sans-serif;
    font-size: clamp(16px, 2.5vw, 28px);
    font-weight: 500;
    color: var(--oxidized-copper);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 2rem;
    opacity: 0;
    transition: opacity 1.5s ease 0.5s;
}

.wall-closing.visible .closing-line {
    opacity: 1;
}

/* Paint-over layers for Wall 5 */
.paint-layers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.paint-layer {
    position: absolute;
    opacity: 0;
    transition: opacity 2s ease;
}

.paint-layer-1 {
    top: 10%;
    left: 5%;
    width: 40%;
    height: 30%;
    background: linear-gradient(135deg, rgba(15, 52, 96, 0.15), transparent);
    transform: rotate(-2deg);
}

.paint-layer-2 {
    top: 30%;
    right: 10%;
    width: 35%;
    height: 25%;
    background: linear-gradient(225deg, rgba(22, 33, 62, 0.2), transparent);
    transform: rotate(1.5deg);
}

.paint-layer-3 {
    bottom: 15%;
    left: 15%;
    width: 50%;
    height: 20%;
    background: linear-gradient(45deg, rgba(43, 45, 48, 0.25), transparent);
    transform: rotate(-0.5deg);
}

.wall-closing.visible .paint-layer {
    opacity: 1;
}

/* Wall 5 darkening transition */
.wall-closing.darkening {
    transition: background-color 2s ease;
    background-color: #050d1a;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .card-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }

    .flip-card {
        height: 320px;
    }

    .crystal-container {
        flex-direction: column;
    }

    .crystal-main {
        width: 300px;
        height: 300px;
    }

    .annotation {
        position: relative;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        max-width: 100% !important;
        margin-top: 1rem;
    }

    .crystal-annotations {
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }

    .signal-2, .signal-4, .signal-5 {
        margin-left: 0 !important;
    }
}

@media (max-width: 600px) {
    .stencil-title {
        font-size: clamp(48px, 15vw, 72px);
    }

    .wall-heading {
        font-size: clamp(32px, 10vw, 48px);
    }

    .noise-signals {
        gap: 1.5rem;
    }

    .signal {
        padding: 1rem 1.2rem;
    }
}