/* ============================================================
   miris.tech - Glitch Terracotta
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
    --kiln-black: #1a0f0a;
    --fired-terracotta: #c4713b;
    --deep-clay: #6b3a2a;
    --sunbaked-sand: #e8c9a0;
    --copper-patina: #5a8a6a;
    --cracked-ochre: #d4944a;
    --dust-rose: #b87878;
    --charred-ember: #2e1a12;

    --font-display: 'Bebas Neue', sans-serif;
    --font-accent: 'Playfair Display', serif;
    --font-body: 'Source Sans 3', sans-serif;

    --mortar-gap: 2px;
    --grid-columns: 12;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--kiln-black);
    color: var(--sunbaked-sand);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- SVG feTurbulence noise filter (referenced inline) --- */
/* Applied as CSS background via SVG data URI */

/* --- Scan Lines Overlay --- */
#scan-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 1px,
        rgba(196, 113, 59, 0.08) 1px,
        rgba(196, 113, 59, 0.08) 2px
    );
    animation: scanScroll 60s linear infinite;
}

@keyframes scanScroll {
    from { transform: translateY(0); }
    to { transform: translateY(120px); }
}

/* --- Entry Screen --- */
#entry-screen {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--kiln-black);
    z-index: 10;
    overflow: hidden;
}

#glitch-tear {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--fired-terracotta);
    transform: scaleX(0);
    transform-origin: center;
    opacity: 0;
    z-index: 2;
}

#glitch-tear.active {
    animation: tearRip 200ms ease-out forwards, tearContract 200ms ease-in 200ms forwards;
}

@keyframes tearRip {
    0% { transform: scaleX(0); opacity: 1; }
    100% { transform: scaleX(1); opacity: 1; }
}

@keyframes tearContract {
    0% { transform: scaleX(1); opacity: 1; }
    100% { transform: scaleX(0); opacity: 0; }
}

#site-title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 400;
    color: var(--sunbaked-sand);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 0.95;
    opacity: 0;
    position: relative;
    z-index: 3;
}

#site-title.visible {
    opacity: 1;
}

#site-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(2px);
    transition: opacity 150ms ease-out, transform 150ms ease-out;
}

#site-title .char.revealed {
    opacity: 1;
    transform: translateY(0);
}

#site-subtitle {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    color: var(--dust-rose);
    margin-top: 1.5rem;
    opacity: 0;
    transition: opacity 500ms ease-out;
    letter-spacing: 0.02em;
}

#site-subtitle.visible {
    opacity: 1;
}

/* --- Module Grid --- */
#module-grid {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--mortar-gap);
    padding-bottom: 80px;
}

/* --- Module Rows --- */
.module-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(80px, auto);
    gap: var(--mortar-gap);
    margin-bottom: var(--mortar-gap);
    position: relative;
    transition: transform 80ms ease-out, filter 80ms ease-out;
}

.module-row:hover {
    --mortar-glow: rgba(196, 113, 59, 0.4);
}

/* --- Module Base --- */
.module {
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translate3d(0, 30px, 0) rotate(0deg);
    transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.module.in-view {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(0deg);
}

/* --- Slab Modules --- */
.slab-module {
    background-color: var(--deep-clay);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 240px;
    position: relative;
}

/* Clay texture via SVG filter noise */
.slab-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.12;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size: 256px 256px;
}

.slab-module h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--sunbaked-sand);
    letter-spacing: 0.04em;
    line-height: 0.95;
    text-transform: uppercase;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.slab-module p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.7;
    color: var(--sunbaked-sand);
    max-width: 58ch;
    position: relative;
    z-index: 2;
}

.slab-module .closing-text {
    font-family: var(--font-accent);
    font-weight: 700;
    font-style: italic;
    font-size: clamp(1.2rem, 3vw, 2.2rem);
    color: var(--dust-rose);
    max-width: 48ch;
}

.module-content--centered {
    text-align: center;
    align-items: center;
    display: flex;
    flex-direction: column;
}

/* --- Fault Lines --- */
.fault-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.fault-line {
    position: absolute;
    background-color: var(--kiln-black);
    transition: background-color 400ms ease, box-shadow 400ms ease, height 400ms ease;
}

.slab-module:hover .fault-line {
    background-color: var(--fired-terracotta);
    box-shadow: 0 0 6px rgba(196, 113, 59, 0.6);
    opacity: 0.6;
}

/* --- Ember Particles --- */
.ember-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.ember {
    position: absolute;
    bottom: 0;
    width: 6px;
    height: 6px;
    background-color: var(--fired-terracotta);
    opacity: 0;
    animation: emberRise var(--ember-duration, 4s) ease-out var(--ember-delay, 0s) infinite;
}

@keyframes emberRise {
    0% {
        opacity: 0.7;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(var(--ember-rise, -90px)) scale(0.3);
    }
}

/* --- Tile Modules (Card Flip) --- */
.tile-module {
    perspective: 1000px;
    min-height: 120px;
    cursor: pointer;
}

.card-flip {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 120px;
    transform-style: preserve-3d;
    transition: transform 600ms ease-in-out;
}

.tile-module:hover .card-flip {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-front {
    background-color: var(--deep-clay);
}

.card-back {
    background-color: var(--cracked-ochre);
    transform: rotateY(180deg);
    padding: 1rem;
}

.card-back .flip-text {
    font-family: var(--font-accent);
    font-weight: 700;
    font-style: italic;
    font-size: clamp(1.2rem, 3vw, 2.2rem);
    color: var(--kiln-black);
    line-height: 1.2;
}

.card-back .flip-sub {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 13px;
    color: var(--charred-ember);
    margin-top: 0.3rem;
    letter-spacing: 0.04em;
}

/* Color swatch front faces */
.color-swatch {
    width: 100%;
    height: 100%;
}

/* Glyph icons */
.glyph-icon {
    width: 48px;
    height: 48px;
    color: var(--sunbaked-sand);
    opacity: 0.7;
}

/* Zellige canvases */
.zellige-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* --- Corner Glyphs --- */
.corner-glyph {
    position: absolute;
    width: 24px;
    height: 24px;
    color: var(--dust-rose);
    opacity: 0.35;
    z-index: 2;
}

.corner-glyph.top-left { top: 8px; left: 8px; }
.corner-glyph.top-right { top: 8px; right: 8px; }
.corner-glyph.bottom-left { bottom: 8px; left: 8px; }
.corner-glyph.bottom-right { bottom: 8px; right: 8px; }

/* --- Lintel Modules --- */
.lintel-module {
    background-color: var(--charred-ember);
    overflow: hidden;
    min-height: 60px;
    display: flex;
    align-items: center;
}

.lintel-text-track {
    white-space: nowrap;
    overflow: hidden;
    width: 100%;
}

.lintel-text {
    display: inline-block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 400;
    color: var(--sunbaked-sand);
    letter-spacing: 0.08em;
    line-height: 0.95;
    text-transform: uppercase;
    white-space: nowrap;
    animation: lintelScroll 30s linear infinite;
    opacity: 0.85;
}

@keyframes lintelScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Lintel character dropout effect handled by JS */
.lintel-char-dropout {
    display: inline-block;
    position: relative;
}

.lintel-char-dropout.dropped {
    opacity: 0;
}

.lintel-char-dropout.dropped::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 0;
    width: 100%;
    height: 60%;
    background-color: var(--fired-terracotta);
    opacity: 0.6;
}

/* --- Void Modules --- */
.void-module {
    background-color: var(--kiln-black);
    min-height: 160px;
    position: relative;
}

.heat-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        backdrop-filter: blur(0px);
        filter: hue-rotate(0deg);
    }
    50% {
        backdrop-filter: blur(2px);
        filter: hue-rotate(8deg);
    }
}

/* Void generative burst canvas */
.void-burst-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 100ms ease;
}

.void-burst-canvas.active {
    opacity: 1;
}

/* --- Grid Placement --- */
/* Row 1 */
.module-row[data-row="1"] .slab-module { grid-column: 1 / span 7; grid-row: 1 / span 3; }
.module-row[data-row="1"] .tile-module:nth-child(2) { grid-column: 8 / span 2; grid-row: 1 / span 2; }
.module-row[data-row="1"] .void-module { grid-column: 10 / span 3; grid-row: 1 / span 2; }
.module-row[data-row="1"] .tile-module:nth-child(4) { grid-column: 8 / span 3; grid-row: 3 / span 1; }
.module-row[data-row="1"] .tile-module:nth-child(5) { grid-column: 11 / span 2; grid-row: 3 / span 1; }

/* Lintel 1 */
.module-row[data-row="2"] .lintel-module { grid-column: 1 / span 12; grid-row: 1; }

/* Row 2 */
.module-row[data-row="3"] .void-module:nth-child(1) { grid-column: 1 / span 3; grid-row: 1 / span 3; }
.module-row[data-row="3"] .slab-module { grid-column: 4 / span 6; grid-row: 1 / span 3; }
.module-row[data-row="3"] .tile-module:nth-child(3) { grid-column: 10 / span 3; grid-row: 1 / span 2; }
.module-row[data-row="3"] .tile-module:nth-child(4) { grid-column: 10 / span 2; grid-row: 3 / span 1; }
.module-row[data-row="3"] .tile-module:nth-child(5) { grid-column: 12 / span 1; grid-row: 3 / span 1; }

/* Lintel 2 */
.module-row[data-row="4"] .lintel-module { grid-column: 1 / span 12; grid-row: 1; }

/* Row 3 */
.module-row[data-row="5"] .tile-module:nth-child(1) { grid-column: 1 / span 3; grid-row: 1 / span 2; }
.module-row[data-row="5"] .tile-module:nth-child(2) { grid-column: 4 / span 2; grid-row: 1 / span 1; }
.module-row[data-row="5"] .slab-module { grid-column: 4 / span 7; grid-row: 2 / span 2; }
.module-row[data-row="5"] .void-module { grid-column: 11 / span 2; grid-row: 1 / span 3; }
.module-row[data-row="5"] .tile-module:nth-child(5) { grid-column: 1 / span 2; grid-row: 3 / span 1; }
.module-row[data-row="5"] .tile-module:nth-child(6) { grid-column: 3 / span 2; grid-row: 3 / span 1; }

/* Lintel 3 */
.module-row[data-row="6"] .lintel-module { grid-column: 1 / span 12; grid-row: 1; }

/* Row 4 */
.module-row[data-row="7"] .slab-module { grid-column: 1 / span 8; grid-row: 1 / span 2; }
.module-row[data-row="7"] .tile-module:nth-child(2) { grid-column: 9 / span 2; grid-row: 1 / span 1; }
.module-row[data-row="7"] .tile-module:nth-child(3) { grid-column: 11 / span 2; grid-row: 1 / span 2; }
.module-row[data-row="7"] .tile-module:nth-child(4) { grid-column: 9 / span 2; grid-row: 2 / span 1; }

/* Row 5 */
.module-row[data-row="8"] .void-module { grid-column: 1 / span 2; grid-row: 1 / span 2; }
.module-row[data-row="8"] .tile-module:nth-child(2) { grid-column: 3 / span 3; grid-row: 1 / span 2; }
.module-row[data-row="8"] .slab-module { grid-column: 6 / span 7; grid-row: 1 / span 2; }

/* Lintel 4 */
.module-row[data-row="9"] .lintel-module { grid-column: 1 / span 12; grid-row: 1; }

/* Row 6 */
.module-row[data-row="10"] .slab-module { grid-column: 1 / span 6; grid-row: 1 / span 3; }
.module-row[data-row="10"] .tile-module:nth-child(2) { grid-column: 7 / span 2; grid-row: 1 / span 1; }
.module-row[data-row="10"] .void-module { grid-column: 9 / span 4; grid-row: 1 / span 2; }
.module-row[data-row="10"] .tile-module:nth-child(4) { grid-column: 7 / span 3; grid-row: 2 / span 2; }
.module-row[data-row="10"] .tile-module:nth-child(5) { grid-column: 10 / span 3; grid-row: 3 / span 1; }

/* Lintel 5 */
.module-row[data-row="11"] .lintel-module { grid-column: 1 / span 12; grid-row: 1; }

/* Row 7 */
.module-row[data-row="12"] .tile-module:nth-child(1) { grid-column: 1 / span 2; grid-row: 1 / span 2; }
.module-row[data-row="12"] .slab-module { grid-column: 3 / span 7; grid-row: 1 / span 3; }
.module-row[data-row="12"] .void-module { grid-column: 10 / span 3; grid-row: 1 / span 2; }
.module-row[data-row="12"] .tile-module:nth-child(4) { grid-column: 1 / span 2; grid-row: 3 / span 1; }
.module-row[data-row="12"] .tile-module:nth-child(5) { grid-column: 10 / span 3; grid-row: 3 / span 1; }

/* Row 8 (Final) */
.module-row[data-row="13"] .slab-module { grid-column: 1 / span 12; grid-row: 1 / span 2; min-height: 300px; }

/* --- Glitch Effects --- */
.glitch-active {
    animation: signalDecay 380ms ease-out;
}

@keyframes signalDecay {
    0% { filter: brightness(1) hue-rotate(0deg); transform: skewX(0deg); }
    20% { filter: brightness(1.1) hue-rotate(8deg); }
    40% { filter: brightness(1.05) hue-rotate(4deg); }
    65% { transform: skewX(3deg); }
    80% { transform: skewX(-1deg); filter: brightness(1) hue-rotate(0deg); }
    100% { transform: skewX(0deg); filter: brightness(1) hue-rotate(0deg); }
}

/* Glitch tear on slab modules */
.slab-module .glitch-slice {
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    clip-path: inset(0 0 100% 0);
}

.slab-module .glitch-slice.active {
    animation: sliceTear 200ms ease-out;
}

@keyframes sliceTear {
    0% { clip-path: inset(30% 0 40% 0); transform: translateX(0); }
    30% { clip-path: inset(30% 0 40% 0); transform: translateX(8px); }
    60% { clip-path: inset(30% 0 40% 0); transform: translateX(-4px); }
    100% { clip-path: inset(0 0 100% 0); transform: translateX(0); }
}

/* Glitch artifact flash */
.glitch-flash {
    position: absolute;
    background-color: var(--fired-terracotta);
    opacity: 0;
    pointer-events: none;
    z-index: 10;
}

.glitch-flash.active {
    animation: artifactFlash 50ms ease-out;
}

@keyframes artifactFlash {
    0% { opacity: 0.8; }
    100% { opacity: 0; }
}

/* --- Mortar Glow on Row Hover --- */
.module-row::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: transparent;
    transition: box-shadow 400ms ease;
    z-index: 0;
}

.module-row:hover::after {
    box-shadow: inset 0 0 0 var(--mortar-gap) rgba(196, 113, 59, 0.15);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .module-row {
        grid-template-columns: repeat(6, 1fr);
    }

    /* Simplify grid for tablets */
    .module-row[data-row="1"] .slab-module { grid-column: 1 / span 6; grid-row: 1 / span 2; }
    .module-row[data-row="1"] .tile-module:nth-child(2) { grid-column: 1 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="1"] .void-module { grid-column: 4 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="1"] .tile-module:nth-child(4) { grid-column: 1 / span 3; grid-row: 4 / span 1; }
    .module-row[data-row="1"] .tile-module:nth-child(5) { grid-column: 4 / span 3; grid-row: 4 / span 1; }

    .module-row[data-row="3"] .void-module:nth-child(1) { grid-column: 1 / span 2; grid-row: 1 / span 2; }
    .module-row[data-row="3"] .slab-module { grid-column: 3 / span 4; grid-row: 1 / span 2; }
    .module-row[data-row="3"] .tile-module:nth-child(3) { grid-column: 1 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="3"] .tile-module:nth-child(4) { grid-column: 4 / span 2; grid-row: 3 / span 1; }
    .module-row[data-row="3"] .tile-module:nth-child(5) { grid-column: 6 / span 1; grid-row: 3 / span 1; }

    .module-row[data-row="5"] .tile-module:nth-child(1) { grid-column: 1 / span 3; grid-row: 1 / span 1; }
    .module-row[data-row="5"] .tile-module:nth-child(2) { grid-column: 4 / span 3; grid-row: 1 / span 1; }
    .module-row[data-row="5"] .slab-module { grid-column: 1 / span 6; grid-row: 2 / span 2; }
    .module-row[data-row="5"] .void-module { grid-column: 1 / span 2; grid-row: 4 / span 1; }
    .module-row[data-row="5"] .tile-module:nth-child(5) { grid-column: 3 / span 2; grid-row: 4 / span 1; }
    .module-row[data-row="5"] .tile-module:nth-child(6) { grid-column: 5 / span 2; grid-row: 4 / span 1; }

    .module-row[data-row="7"] .slab-module { grid-column: 1 / span 6; grid-row: 1 / span 2; }
    .module-row[data-row="7"] .tile-module:nth-child(2) { grid-column: 1 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="7"] .tile-module:nth-child(3) { grid-column: 4 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="7"] .tile-module:nth-child(4) { grid-column: 1 / span 3; grid-row: 4 / span 1; }

    .module-row[data-row="8"] .void-module { grid-column: 1 / span 2; grid-row: 1 / span 1; }
    .module-row[data-row="8"] .tile-module:nth-child(2) { grid-column: 3 / span 4; grid-row: 1 / span 1; }
    .module-row[data-row="8"] .slab-module { grid-column: 1 / span 6; grid-row: 2 / span 2; }

    .module-row[data-row="10"] .slab-module { grid-column: 1 / span 6; grid-row: 1 / span 2; }
    .module-row[data-row="10"] .tile-module:nth-child(2) { grid-column: 1 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="10"] .void-module { grid-column: 4 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="10"] .tile-module:nth-child(4) { grid-column: 1 / span 3; grid-row: 4 / span 1; }
    .module-row[data-row="10"] .tile-module:nth-child(5) { grid-column: 4 / span 3; grid-row: 4 / span 1; }

    .module-row[data-row="12"] .tile-module:nth-child(1) { grid-column: 1 / span 2; grid-row: 1 / span 1; }
    .module-row[data-row="12"] .slab-module { grid-column: 3 / span 4; grid-row: 1 / span 2; }
    .module-row[data-row="12"] .void-module { grid-column: 1 / span 2; grid-row: 2 / span 1; }
    .module-row[data-row="12"] .tile-module:nth-child(4) { grid-column: 1 / span 3; grid-row: 3 / span 1; }
    .module-row[data-row="12"] .tile-module:nth-child(5) { grid-column: 4 / span 3; grid-row: 3 / span 1; }

    .module-row[data-row="13"] .slab-module { grid-column: 1 / span 6; }

    .lintel-module { grid-column: 1 / span 6 !important; }
}

@media (max-width: 640px) {
    .module-row {
        grid-template-columns: repeat(4, 1fr);
    }

    .slab-module {
        padding: 1.5rem 1.2rem;
        min-height: 180px;
    }

    .lintel-text {
        font-size: clamp(2rem, 8vw, 4rem);
    }

    .module-row .module {
        grid-column: 1 / span 4 !important;
        grid-row: auto !important;
    }

    .lintel-module {
        grid-column: 1 / span 4 !important;
    }

    .void-module {
        min-height: 80px;
    }

    .tile-module {
        min-height: 140px;
    }
}