/* ============================================================
   telomere.dev — wabi-sabi horizontal meditation
   Palette:
   #c4754b Kiln Clay        (ground)
   #6b3a2a Burnt Umber      (shadow, body text)
   #3d2214 Charred Earth    (deep void)
   #ede0d0 Warm Linen       (mist)
   #a8816a Faded Terracotta (whisper)
   #d4a256 Kintsugi Gold    (accent)
   #f2e8d9 Rice Paper       (light)
   Fonts: Fraunces (display), Karla (body)
   ============================================================ */

:root {
    --kiln-clay: #c4754b;
    --burnt-umber: #6b3a2a;
    --charred-earth: #3d2214;
    --warm-linen: #ede0d0;
    --faded-terracotta: #a8816a;
    --kintsugi-gold: #d4a256;
    --rice-paper: #f2e8d9;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--kiln-clay);
    color: var(--burnt-umber);
    font-family: 'Karla', 'Inter', sans-serif;
    font-weight: 300;
    letter-spacing: 0.04em;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* -------- Grain overlay (full viewport, multiply) -------- */
.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
    mix-blend-mode: multiply;
    opacity: 0.08;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.25  0 0 0 0 0.13  0 0 0 0 0.07  0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
    background-size: 300px 300px;
}

/* -------- Progress indicator (top) -------- */
.progress-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 9100;
    pointer-events: none;
    background: rgba(107, 58, 42, 0.08);
}
.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--kintsugi-gold);
    opacity: 1;
    transition: width 120ms linear, opacity 600ms ease-out;
    box-shadow: 0 0 8px rgba(212, 162, 86, 0.5);
}

/* -------- Skeleton loader -------- */
.skeleton-loader {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: row;
    background: var(--kiln-clay);
    z-index: 8000;
    transition: opacity 1200ms ease-out, visibility 1200ms ease-out;
}
.skeleton-loader.hidden {
    opacity: 0;
    visibility: hidden;
}
.skeleton-panel {
    height: 100vh;
    margin: 0 1vw;
    background: linear-gradient(
        90deg,
        rgba(168, 129, 106, 0.25) 0%,
        rgba(242, 232, 217, 0.45) 50%,
        rgba(168, 129, 106, 0.25) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2600ms ease-in-out infinite;
    border-radius: 2px;
}
@keyframes shimmer {
    from { background-position: -200% 0; }
    to   { background-position:  200% 0; }
}

/* -------- Horizontal scroll container -------- */
.scroll-container {
    display: flex;
    flex-direction: row;
    width: 100vw;
    height: 100vh;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}
.scroll-container::-webkit-scrollbar {
    height: 0;
    display: none;
}
.scroll-container {
    scrollbar-width: none;
}

/* -------- Panels -------- */
.panel {
    flex-shrink: 0;
    height: 100vh;
    scroll-snap-align: start;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1200ms ease-out;
}
.panel.visible {
    opacity: 1;
}
.panel-inner {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 6vh 6vw;
}

.panel-origin   { min-width: 120vw; background: radial-gradient(ellipse at 30% 60%, #ce8058 0%, #c4754b 50%, #b56a42 100%); }
.panel-growth   { min-width: 100vw; background: linear-gradient(100deg, #c4754b 0%, #ba6e43 100%); }
.panel-peak     { min-width:  80vw; background: radial-gradient(ellipse at 50% 50%, #ca7a50 0%, #b96b3f 100%); }
.panel-erosion  { min-width: 100vw; background: linear-gradient(95deg, #bc6e42 0%, #b0693e 100%); }
.panel-thinning { min-width: 120vw; background: linear-gradient(100deg, #b36a40 0%, #a8643d 100%); }
.panel-vestige  { min-width: 100vw; background: linear-gradient(95deg, #a86640 0%, #9e5e3a 100%); }
.panel-silence  { min-width: 180vw; background: radial-gradient(ellipse at 70% 50%, #a66442 0%, #9a5b38 100%); }

/* -------- Typography -------- */
.domain-mark {
    font-family: 'Fraunces', 'Lora', serif;
    font-weight: 300;
    font-size: clamp(3rem, 9vw, 8rem);
    color: var(--rice-paper);
    letter-spacing: -0.01em;
    line-height: 1;
    margin-top: 20vh;
    font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
    text-shadow: 0 2px 20px rgba(61, 34, 20, 0.15);
}
.domain-mark .dot {
    color: var(--kintsugi-gold);
    font-style: italic;
}
.subtitle {
    font-family: 'Karla', sans-serif;
    font-weight: 300;
    font-size: clamp(0.9rem, 1.3vw, 1.2rem);
    color: var(--burnt-umber);
    margin-top: 2rem;
    max-width: 32ch;
    font-style: italic;
    opacity: 0.85;
}

.panel-heading {
    font-family: 'Fraunces', serif;
    font-weight: 300;
    font-size: clamp(2.5rem, 6vw, 5rem);
    color: var(--rice-paper);
    letter-spacing: 0.01em;
    font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
    position: absolute;
    top: 12vh;
    left: 6vw;
}
.peak-heading   { top: 10vh; color: var(--warm-linen); }
.thin-heading   { top: 14vh; font-weight: 200; opacity: 0.85; }
.vestige-heading{ top: 18vh; font-weight: 200; opacity: 0.6; color: var(--faded-terracotta); }

.whisper-text,
.panel-caption,
.fragment-text {
    font-family: 'Karla', sans-serif;
    font-weight: 300;
    font-size: clamp(0.9rem, 1.2vw, 1.1rem);
    line-height: 1.75;
    color: var(--burnt-umber);
    letter-spacing: 0.04em;
}

.whisper-1 {
    position: absolute;
    right: 8vw;
    bottom: 20vh;
    max-width: 30ch;
    font-style: italic;
    color: var(--warm-linen);
    font-size: clamp(1rem, 1.4vw, 1.3rem);
    text-align: right;
}

.fragment-text {
    position: absolute;
    max-width: 26ch;
}
.fragment-a { top: 30vh; right: 12vw; }
.fragment-b { top: 55vh; right: 20vw; font-style: italic; }
.fragment-c { bottom: 18vh; right: 8vw; color: var(--charred-earth); }

.fragment-d {
    top: 55vh;
    right: 10vw;
    color: var(--faded-terracotta);
    max-width: 24ch;
    font-style: italic;
}

.drift-1 { top: 30vh; left: 18vw; opacity: 0.85; }
.drift-2 { top: 55vh; right: 22vw; opacity: 0.7; font-weight: 200; }
.drift-3 { bottom: 20vh; right: 12vw; opacity: 0.55; font-weight: 200; font-style: italic; }

.fragment-h.vestige-text {
    top: 55vh;
    left: 45vw;
    color: var(--faded-terracotta);
    font-style: italic;
    font-size: clamp(0.85rem, 1.1vw, 1rem);
    opacity: 0.7;
}

.panel-caption {
    position: absolute;
    bottom: 14vh;
    left: 6vw;
    max-width: 28ch;
    font-style: italic;
    color: var(--charred-earth);
    opacity: 0.9;
}

/* -------- Ring SVGs -------- */
.ring-svg {
    position: absolute;
    overflow: visible;
}
.ring-path {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    transition: stroke-dashoffset 1800ms cubic-bezier(.3,.1,.25,1);
}
.panel.visible .ring-path {
    stroke-dashoffset: 0;
}
.panel.visible .ring-path.partial-70 { stroke-dashoffset: 360; }
.panel.visible .ring-path.partial-60 { stroke-dashoffset: 480; }
.panel.visible .ring-path.partial-50 { stroke-dashoffset: 600; }
.panel.visible .ring-path.partial-40 { stroke-dashoffset: 720; }
.panel.visible .ring-path.partial-25 { stroke-dashoffset: 900; }

/* Panel 1 ring */
.ring-healthy-1 {
    width: clamp(260px, 28vw, 520px);
    height: clamp(260px, 28vw, 520px);
    bottom: 8vh;
    left: 55vw;
    filter: drop-shadow(0 4px 12px rgba(61, 34, 20, 0.15));
}

/* Panel 2 cluster */
.rings-cluster {
    position: absolute;
    top: 20vh;
    left: 35vw;
    width: clamp(300px, 32vw, 560px);
    height: clamp(300px, 32vw, 560px);
}
.rings-cluster .ring-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.ring-layer-1 { transform: translate(-10%, -5%); }
.ring-layer-2 { transform: translate( 5%,  8%); }
.ring-layer-3 { transform: translate(-2%, -12%); }

/* Panel 3 dense */
.rings-cluster.dense { left: 28vw; top: 18vh; }
.ring-peak-1 { transform: translate(-8%, -4%); }
.ring-peak-2 { transform: translate( 4%,  6%); }
.ring-peak-3 { transform: translate(-4%, -8%); }
.ring-peak-4 { transform: translate( 8%,  2%); }

/* Panel 4 rings */
.panel-erosion .rings-cluster { left: 10vw; top: 22vh; }
.ring-erode-1 { transform: translate(-4%, -2%); opacity: 0.9; }
.ring-erode-2 { transform: translate( 10%, 14%); opacity: 0.75; }

/* Panel 5 fragments */
.fragments-field {
    position: absolute;
    top: 22vh;
    left: 50vw;
    width: clamp(260px, 24vw, 440px);
    height: clamp(260px, 24vw, 440px);
}
.fragments-field .ring-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.ring-thin-1 { transform: translate(-20%, -10%); opacity: 0.7; }
.ring-thin-2 { transform: translate( 25%, 20%); opacity: 0.55; }

/* Panel 6 vestige */
.ring-vestige {
    width: clamp(220px, 22vw, 400px);
    height: clamp(220px, 22vw, 400px);
    top: 30vh;
    left: 20vw;
    opacity: 0.55;
}

/* -------- Kintsugi crack lines -------- */
.kintsugi-crack {
    position: absolute;
    pointer-events: none;
}
.kintsugi-crack path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 2400ms ease-in-out;
    opacity: 0.75;
    filter: drop-shadow(0 0 3px rgba(212, 162, 86, 0.4));
}
.panel.visible .kintsugi-crack path {
    stroke-dashoffset: 0;
}

.crack-1 { top: 0; left: 0; width: 100%; height: 100%; }
.crack-2 { top: 0; left: 0; width: 100%; height: 100%; }
.crack-3 { top: 0; left: 0; width: 100%; height: 100%; }
.crack-4 { top: 0; left: 0; width: 100%; height: 100%; }
.crack-5 { top: 0; left: 0; width: 100%; height: 100%; }
.crack-6 { top: 0; left: 0; width: 100%; height: 100%; }

/* -------- Watermarks -------- */
.leaf-watermark {
    position: absolute;
    width: 180px;
    height: 260px;
    bottom: 10vh;
    right: 6vw;
    opacity: 0.06;
}
.seed-watermark {
    position: absolute;
    width: 160px;
    height: 200px;
    top: 14vh;
    right: 8vw;
    opacity: 0.05;
}
.spore-watermark {
    position: absolute;
    width: 280px;
    height: 180px;
    bottom: 12vh;
    left: 8vw;
    opacity: 0.05;
}

/* -------- Panel 7 Silence -------- */
.panel-silence .panel-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 30% 40%, rgba(242, 232, 217, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(61, 34, 20, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* -------- Responsive bias — keep meditative on small screens -------- */
@media (max-width: 700px) {
    .domain-mark { font-size: clamp(2.5rem, 16vw, 5rem); margin-top: 18vh; }
    .panel-heading { font-size: clamp(2rem, 10vw, 4rem); }
    .rings-cluster, .rings-cluster.dense, .fragments-field {
        left: 20vw;
        top: 30vh;
    }
    .ring-healthy-1 { left: 25vw; }
}