/* ============================================
   MMIDDL.com - Wabi-Sabi Digital Experience
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --deep-burgundy: #5C1A2A;
    --warm-cream: #F5EDE3;
    --kiln-gold: #C4956A;
    --crackle-brown: #3D2B22;
    --ash-gray: #8A7066;
    --charred-black: #1A1210;
    --blush-terracotta: #D4A088;
    --patina-green: #6B7F5E;

    --font-display: 'Barlow Condensed', sans-serif;
    --font-body: 'Cormorant Garamond', serif;
    --font-accent: 'IBM Plex Mono', monospace;

    --morph-progress: 0;
    --grid-opacity: 0.08;
}

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

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

body {
    background-color: var(--warm-cream);
    color: var(--crackle-brown);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.85;
    overflow-x: hidden;
    position: relative;
}

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

/* --- Loading Overlay --- */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--charred-black);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s ease;
}

#loading-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

#loading-overlay.hidden {
    display: none;
}

#loading-crack {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

#loading-crack-path {
    stroke-dasharray: 3000;
    stroke-dashoffset: 3000;
    animation: drawCrack 1.5s ease-in-out forwards;
}

@keyframes drawCrack {
    0% { stroke-dashoffset: 3000; }
    100% { stroke-dashoffset: 0; }
}

/* --- Grid Lines --- */
#grid-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.grid-line {
    position: absolute;
    background-color: var(--deep-burgundy);
    transition: opacity 0.6s ease;
}

.grid-line-v {
    top: 0;
    width: 1px;
    height: 100%;
    opacity: var(--grid-opacity);
}

.grid-line-h {
    left: 0;
    width: 100%;
    height: 1px;
    opacity: var(--grid-opacity);
}

#grid-lines.idle-bright .grid-line {
    opacity: 0.20;
}

/* --- Raku Texture Overlay --- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(circle at 15% 25%, var(--ash-gray) 0%, transparent 1.5%),
        radial-gradient(circle at 72% 18%, var(--ash-gray) 0%, transparent 1%),
        radial-gradient(circle at 45% 65%, var(--crackle-brown) 0%, transparent 1.2%),
        radial-gradient(circle at 88% 42%, var(--ash-gray) 0%, transparent 0.8%),
        radial-gradient(circle at 32% 85%, var(--crackle-brown) 0%, transparent 1%),
        radial-gradient(circle at 65% 92%, var(--ash-gray) 0%, transparent 1.3%),
        radial-gradient(circle at 8% 55%, var(--crackle-brown) 0%, transparent 0.9%),
        radial-gradient(circle at 92% 78%, var(--ash-gray) 0%, transparent 1.1%);
    opacity: 0.04;
}

/* --- Scroll Sections --- */
.scroll-section {
    position: relative;
    min-height: 150vh;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0 2vw;
    padding: 0 4vw;
    z-index: 2;
}

/* --- Hero Section --- */
#hero {
    min-height: 100vh;
    align-items: center;
    background-color: var(--deep-burgundy);
    position: relative;
    overflow: hidden;
}

.hero-title {
    grid-column: 1 / 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    gap: 3vh;
    position: relative;
    z-index: 3;
}

.hero-letter {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(48px, 8vw, 120px);
    color: var(--warm-cream);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    line-height: 1;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero-letter.visible {
    opacity: 1;
    transform: translateX(0);
}

.hero-crack {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.hero-crack .crack-path {
    stroke-dasharray: 3000;
    stroke-dashoffset: 3000;
}

/* --- Section Content --- */
.section-content {
    padding: 45vh 0;
    position: relative;
    z-index: 3;
}

.content-left {
    grid-column: 2 / 6;
}

.content-right {
    grid-column: 7 / 11;
}

.content-center {
    grid-column: 4 / 10;
    text-align: center;
}

.section-label {
    font-family: var(--font-accent);
    font-weight: 300;
    font-size: 11px;
    color: var(--ash-gray);
    display: block;
    margin-bottom: 2rem;
    letter-spacing: 0.1em;
}

.section-heading {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(48px, 7vw, 96px);
    color: var(--charred-black);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    line-height: 1.05;
    margin-bottom: 2rem;
}

.section-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.85;
    color: var(--crackle-brown);
    max-width: 520px;
}

.section-body-accent {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 24px;
    line-height: 1.85;
    color: var(--crackle-brown);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Section Cracks --- */
.section-crack {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 400px;
    pointer-events: none;
    z-index: 2;
}

.crack-path {
    stroke-dasharray: 3000;
    stroke-dashoffset: 3000;
    transition: stroke-dashoffset 0.1s linear;
}

/* --- Content Block Morph Animation --- */
.section-content {
    border-radius: 2px 8px 3px 12px;
    transition: border-radius 0.3s ease;
}

.section-content.morphing {
    border-radius: calc(2px + var(--morph-progress) * 10px)
                   calc(8px - var(--morph-progress) * 5px)
                   calc(3px + var(--morph-progress) * 5px)
                   calc(12px - var(--morph-progress) * 10px);
}

/* --- Glitch-on-Enter --- */
.section-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease, filter 0.8s ease;
}

.section-content.in-view {
    opacity: 1;
    transform: translateY(0);
}

.section-content.glitching {
    filter: url(#rgbShift);
}

.section-content.glitch-settle {
    filter: url(#rgbShiftSubtle);
}

.section-content.glitch-done {
    filter: none;
}

/* --- Ma Section --- */
#ma {
    background: transparent;
    min-height: 200vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

#ma .section-content {
    grid-column: 4 / 10;
}

#ma .section-heading {
    font-size: clamp(72px, 12vw, 180px);
    color: var(--deep-burgundy);
    letter-spacing: 0.3em;
    margin-bottom: 3rem;
}

/* --- Kintsugi Visual --- */
.kintsugi-visual {
    grid-column: 8 / 12;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 45vh 0;
}

.kintsugi-bowl {
    width: 300px;
    height: 300px;
    filter: url(#rgbShiftSubtle);
    transition: filter 0.3s ease;
}

.kintsugi-bowl:hover {
    filter: url(#rgbShift);
}

.kintsugi-crack {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
}

/* --- Glitch Panel --- */
.glitch-panel {
    grid-column: 2 / 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 45vh 0;
}

.glitch-block {
    width: 200px;
    height: 280px;
    background: var(--deep-burgundy);
    border-radius: 4px 12px 6px 8px;
    filter: url(#rgbShiftSubtle);
    transition: filter 0.3s ease, border-radius 1s ease;
    position: relative;
    overflow: hidden;
}

.glitch-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 40%, var(--kiln-gold) 0%, transparent 2%),
        radial-gradient(circle at 60% 70%, var(--blush-terracotta) 0%, transparent 3%),
        radial-gradient(circle at 80% 20%, var(--kiln-gold) 0%, transparent 1.5%);
    opacity: 0.4;
}

.glitch-block:hover {
    filter: url(#rgbShift);
    border-radius: 12px 4px 8px 6px;
}

/* --- Digital Section --- */
#digital {
    background: transparent;
}

/* --- Closing Section --- */
#closing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--charred-black);
}

#closing .section-content {
    grid-column: 3 / 11;
    text-align: center;
}

.closing-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(60px, 10vw, 140px);
    color: var(--warm-cream);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
}

.closing-subtitle {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 20px;
    color: var(--ash-gray);
    font-style: italic;
    margin-bottom: 3rem;
}

.closing-crack-container {
    display: flex;
    justify-content: center;
}

.closing-crack-svg {
    width: 300px;
    height: 20px;
}

.closing-crack-svg .crack-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
}

/* --- Scan Lines Overlay --- */
.scan-lines-overlay {
    position: fixed;
    left: 0;
    width: 100%;
    height: 200px;
    pointer-events: none;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.15s ease;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 2px,
        rgba(26, 18, 16, 0.15) 2px,
        rgba(26, 18, 16, 0.15) 3px
    );
}

.scan-lines-overlay.active {
    opacity: 1;
    animation: scanFlash 0.4s ease-out forwards;
}

@keyframes scanFlash {
    0% { opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { opacity: 0; }
}

/* --- Hover Grid Line Extension --- */
.hover-grid-line {
    position: absolute;
    background-color: var(--kiln-gold);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 2;
}

.hover-grid-line.visible {
    opacity: 0.6;
}

.hover-grid-line-h {
    height: 1px;
    width: 100vw;
    left: 0;
}

/* --- Philosophy Section BG --- */
#philosophy {
    background: transparent;
}

/* --- Process Section --- */
#process {
    background: transparent;
    position: relative;
}

#process::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 0;
    width: 100%;
    height: 40%;
    background-color: var(--deep-burgundy);
    opacity: 0.04;
    pointer-events: none;
}

/* --- Kintsugi Section Accent --- */
#kintsugi {
    position: relative;
}

#kintsugi::after {
    content: '';
    position: absolute;
    top: 40%;
    right: 0;
    width: 60%;
    height: 20%;
    background-color: var(--blush-terracotta);
    opacity: 0.06;
    pointer-events: none;
}

/* --- Patina Green Accent (sparse) --- */
#ma::before {
    content: '';
    position: absolute;
    bottom: 15%;
    left: 10%;
    width: 80px;
    height: 80px;
    background-color: var(--patina-green);
    opacity: 0.12;
    border-radius: 50%;
    pointer-events: none;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .scroll-section {
        grid-template-columns: repeat(6, 1fr);
        padding: 0 6vw;
    }

    .content-left,
    .content-right,
    .content-center {
        grid-column: 1 / -1;
    }

    .section-heading {
        font-size: clamp(36px, 10vw, 60px);
    }

    .hero-title {
        grid-column: 1 / 3;
    }

    .hero-letter {
        font-size: clamp(36px, 12vw, 72px);
    }

    .kintsugi-visual {
        grid-column: 1 / -1;
    }

    .glitch-panel {
        grid-column: 1 / -1;
    }

    #ma .section-heading {
        font-size: clamp(48px, 15vw, 120px);
    }

    #ma .section-content {
        grid-column: 1 / -1;
    }

    #closing .section-content {
        grid-column: 1 / -1;
    }

    .closing-title {
        font-size: clamp(40px, 12vw, 80px);
    }
}