/* ======================================================================
   bability.pro — Blobitecture meets mid-century photography studio
   Palette: analogous warm earth · Type: Commissioner variable
   Interaction: border-animate perimeter sweep
   Design compliance lexicon: Interaction**: design batch (2% frequency Intersection Observer (NOT scroll-triggered libraries fires once element (`{ once: }` reveals secondary
   ====================================================================== */

@property --border-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

:root {
    /* Palette — analogous warm earth */
    --c-parchment: #f4ede4;
    --c-linen: #e8ddd0;
    --c-umber-dark: #2b2118;
    --c-umber-warm: #4a3728;
    --c-umber-muted: #5e4d3e;
    --c-leather: #8a7a6a;
    --c-sienna: #b8652a;
    --c-ochre: #c9953e;
    --c-sage: #7a8b7e;

    /* Structural */
    --gutter: clamp(1.5rem, 4vw, 3rem);
    --section-pad-y: clamp(4rem, 10vh, 8rem);
    --blob-radius-a: 32px 64px 32px 64px;
    --blob-radius-b: 64px 32px 64px 32px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Commissioner", "Inter", system-ui, sans-serif;
    font-weight: 350;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.65;
    letter-spacing: 0.005em;
    color: var(--c-umber-muted);
    background: var(--c-parchment);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* --- Background atmospherics: halftone + retro grid ------------------- */
.halftone-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background-image:
        radial-gradient(circle at 1px 1px, var(--c-umber-dark) 1px, transparent 1.4px);
    background-size: 8px 8px;
    opacity: 0.05;
    mix-blend-mode: multiply;
}

.retro-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background-image:
        linear-gradient(to right, var(--c-umber-dark) 1px, transparent 1px),
        linear-gradient(to bottom, var(--c-umber-dark) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.035;
}

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

main {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr min(960px, 92vw) 1fr;
    row-gap: clamp(3rem, 8vh, 6rem);
    padding-block: var(--section-pad-y);
}

main > section {
    grid-column: 2;
    padding-inline: var(--gutter);
    position: relative;
}

/* ====================================================================
   THE PORTAL (Hero)
   ==================================================================== */
.portal {
    min-height: 100vh;
    display: grid;
    place-items: center;
    position: relative;
}

.portal-blob {
    width: min(780px, 88vw);
    aspect-ratio: 1 / 1.05;
    position: relative;
    background: radial-gradient(ellipse at 30% 25%, var(--c-parchment) 0%, var(--c-linen) 58%, #dccebd 100%);
    border-radius: 48% 52% 46% 54% / 50% 48% 52% 50%;
    display: grid;
    place-items: center;
    padding: clamp(2rem, 5vw, 4rem);
    overflow: hidden;
    isolation: isolate;
    animation: blob-morph 18s ease-in-out infinite;
    box-shadow:
        0 60px 120px -40px rgba(43, 33, 24, 0.25),
        inset 0 0 80px rgba(184, 101, 42, 0.08);
}

.portal-blob::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 3px;
    background: conic-gradient(from var(--border-angle),
        var(--c-sienna), var(--c-ochre), var(--c-linen), var(--c-sienna));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    animation: border-spin 8s linear infinite;
    pointer-events: none;
    z-index: 3;
}

.portal-border-layer {
    position: absolute;
    inset: -6px;
    border-radius: inherit;
    background: conic-gradient(from var(--border-angle),
        var(--c-sienna), var(--c-ochre), var(--c-linen), var(--c-sienna));
    animation: border-spin 8s linear infinite;
    z-index: 0;
    filter: blur(0.5px);
    opacity: 0.16;
}

@keyframes border-spin {
    to { --border-angle: 360deg; }
}

@keyframes blob-morph {
    0%, 100% { border-radius: 48% 52% 46% 54% / 50% 48% 52% 50%; }
    25% { border-radius: 52% 48% 54% 46% / 46% 54% 48% 52%; }
    50% { border-radius: 46% 54% 52% 48% / 54% 46% 50% 50%; }
    75% { border-radius: 54% 46% 48% 52% / 48% 52% 54% 46%; }
}

.portal-inner {
    display: grid;
    place-items: center;
    text-align: center;
    gap: clamp(1rem, 2vw, 1.75rem);
    max-width: 620px;
    position: relative;
    z-index: 2;
}

.portal-kicker {
    font-weight: 300;
    font-size: clamp(0.72rem, 0.9vw, 0.875rem);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--c-leather);
    margin: 0;
}

.portal-title {
    font-weight: 800;
    font-size: clamp(3rem, 9vw, 7rem);
    letter-spacing: -0.03em;
    line-height: 0.92;
    color: var(--c-umber-dark);
    margin: 0;
    text-transform: lowercase;
    font-feature-settings: 'ss01';
}

.portal-title .dot {
    color: var(--c-sienna);
}

.portal-photo {
    width: clamp(160px, 26vw, 240px);
    aspect-ratio: 1 / 1;
    position: relative;
    margin-block: 0.5rem;
}

.portal-photo-inner {
    width: 100%;
    height: 100%;
    clip-path: url(#blob-photo-a);
    position: relative;
    overflow: hidden;
    filter: sepia(0.3) contrast(0.9) brightness(1.05) grayscale(0.15) saturate(0.85);
}

.portal-photo-inner::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 2px 2px, var(--c-umber-dark) 0.5px, transparent 1px);
    background-size: 3px 3px;
    opacity: 0.08;
    mix-blend-mode: multiply;
    pointer-events: none;
}

.portal-photo-inner svg {
    width: 100%;
    height: 100%;
    display: block;
}

.portal-descriptor {
    font-weight: 350;
    font-size: clamp(1rem, 1.3vw, 1.2rem);
    color: var(--c-umber-muted);
    line-height: 1.55;
    max-width: 460px;
    margin: 0;
    font-style: italic;
}

.portal-cue {
    position: absolute;
    bottom: clamp(1rem, 4vh, 3rem);
    left: 50%;
    transform: translateX(-50%);
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--c-leather);
    margin: 0;
    animation: cue-pulse 3s ease-in-out infinite;
}

@keyframes cue-pulse {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.75; transform: translateX(-50%) translateY(6px); }
}

/* ====================================================================
   THE ARCHIVE
   ==================================================================== */
.archive {
    display: grid;
    gap: clamp(1rem, 2vw, 1.75rem);
    padding-block: clamp(2rem, 6vh, 4rem);
}

.archive-head {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: clamp(2rem, 5vh, 4rem);
    display: grid;
    gap: 0.75rem;
}

.eyebrow, .archive-head .eyebrow {
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--c-sienna);
    margin: 0;
}

.archive-heading {
    font-weight: 600;
    font-size: clamp(1.5rem, 3.5vw, 2.8rem);
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--c-umber-warm);
    margin: 0;
}

.archive-subheading {
    font-weight: 350;
    font-size: clamp(0.95rem, 1.1vw, 1.1rem);
    color: var(--c-umber-muted);
    max-width: 540px;
    margin-inline: auto;
    line-height: 1.6;
}

/* -- Panels -- */
.panel {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: center;
    background: var(--c-linen);
    border-radius: var(--blob-radius-a);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow:
        0 30px 60px -30px rgba(43, 33, 24, 0.25),
        inset 0 0 60px rgba(184, 101, 42, 0.04);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
                transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: -40px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.panel:first-of-type {
    margin-top: 0;
}

.panel:nth-of-type(odd) {
    border-radius: var(--blob-radius-a);
}

.panel:nth-of-type(even) {
    border-radius: var(--blob-radius-b);
    background: var(--c-parchment);
}

.panel::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from var(--border-angle),
        var(--c-sienna), var(--c-ochre), var(--c-linen), var(--c-sienna));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    animation: border-spin 12s linear infinite;
    pointer-events: none;
    opacity: 0.75;
}

.panel.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

.panel-right {
    direction: rtl;
}

.panel-right > * {
    direction: ltr;
}

.panel-photo {
    width: 100%;
    aspect-ratio: 4 / 5;
    position: relative;
    border-radius: 40% 60% 40% 60% / 50% 50% 50% 50%;
    overflow: hidden;
}

.panel-photo-inner {
    width: 100%;
    height: 100%;
    position: relative;
    filter: sepia(0.3) contrast(0.9) brightness(1.05) grayscale(0.15) saturate(0.85);
}

.panel-photo[data-mask="a"] .panel-photo-inner { clip-path: url(#blob-photo-a); }
.panel-photo[data-mask="b"] .panel-photo-inner { clip-path: url(#blob-photo-b); }
.panel-photo[data-mask="c"] .panel-photo-inner { clip-path: url(#blob-photo-c); }

.panel-photo-inner svg {
    width: 100%;
    height: 100%;
    display: block;
}

.panel-photo-inner::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1.5px 1.5px, var(--c-umber-dark) 0.4px, transparent 1px);
    background-size: 3px 3px;
    opacity: 0.1;
    mix-blend-mode: multiply;
    pointer-events: none;
}

.panel-photo::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from var(--border-angle),
        var(--c-ochre), var(--c-sienna), var(--c-linen), var(--c-ochre));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    animation: border-spin 10s linear infinite;
    pointer-events: none;
    opacity: 0.6;
    z-index: 2;
}

.panel-content {
    display: grid;
    gap: 0.85rem;
    padding-inline: clamp(0.5rem, 2vw, 1.25rem);
}

.panel-caption {
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--c-leather);
    margin: 0;
}

.panel-title {
    font-weight: 600;
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    letter-spacing: -0.01em;
    line-height: 1.1;
    color: var(--c-umber-warm);
    margin: 0;
}

.panel-body {
    font-weight: 350;
    font-size: clamp(0.98rem, 1.1vw, 1.12rem);
    line-height: 1.65;
    color: var(--c-umber-muted);
    margin: 0;
}

.panel-meta {
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--c-sage);
    margin: 0;
    font-style: italic;
}

/* -- Film sprocket borders -- */
.sprocket {
    position: absolute;
    left: 10%;
    right: 10%;
    height: 8px;
    background-image: linear-gradient(
        to right,
        var(--c-umber-warm) 0 4px,
        transparent 4px 12px
    );
    background-size: 12px 6px;
    background-repeat: repeat-x;
    background-position: center;
    opacity: 0.22;
    pointer-events: none;
}

.sprocket-top { top: 8px; }
.sprocket-bottom { bottom: 8px; }

@media (max-width: 720px) {
    .panel {
        grid-template-columns: 1fr;
    }
    .panel-right {
        direction: ltr;
    }
    .panel-photo { aspect-ratio: 1 / 1; }
}

/* ====================================================================
   THE MANIFESTO
   ==================================================================== */
.manifesto {
    min-height: 100vh;
    display: grid;
    place-items: center;
    position: relative;
    padding-block: clamp(3rem, 8vh, 6rem);
}

.manifesto-blob {
    position: relative;
    width: min(780px, 88vw);
    aspect-ratio: 1 / 0.82;
    background: radial-gradient(ellipse at center,
        var(--c-parchment) 0%,
        var(--c-linen) 55%,
        #d9c8b3 100%);
    border-radius: 54% 46% 52% 48% / 48% 52% 46% 54%;
    display: grid;
    place-items: center;
    padding: clamp(2rem, 5vw, 4rem);
    animation: blob-morph 22s ease-in-out infinite reverse;
    box-shadow:
        0 60px 120px -40px rgba(43, 33, 24, 0.25),
        inset 0 0 120px rgba(201, 149, 62, 0.12);
    overflow: hidden;
}

.manifesto-blob::before {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from var(--border-angle),
        var(--c-sienna), var(--c-ochre), var(--c-linen), var(--c-sienna));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    animation: border-spin 10s linear infinite;
    pointer-events: none;
}

.manifesto-inner {
    text-align: center;
    max-width: 640px;
    display: grid;
    gap: clamp(1rem, 2vw, 1.5rem);
    position: relative;
    z-index: 2;
}

.manifesto-eyebrow {
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--c-sienna);
    margin: 0;
}

.manifesto-statement {
    font-weight: 800;
    font-size: clamp(1.5rem, 3.5vw, 2.6rem);
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: var(--c-umber-dark);
    margin: 0;
    font-feature-settings: 'ss01';
}

.manifesto-statement .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 700ms ease-out, transform 700ms ease-out;
    margin-right: 0.18em;
}

.manifesto-statement.is-revealed .word {
    opacity: 1;
    transform: translateY(0);
}

.manifesto-signature {
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--c-sage);
    font-style: italic;
    margin: 0;
    text-transform: lowercase;
}

/* Corner rosettes */
.rosette {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--c-ochre);
    opacity: 0.5;
    pointer-events: none;
    z-index: 3;
}

.rosette::before {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    border: 1px solid var(--c-ochre);
}

.rosette::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px dashed var(--c-ochre);
    opacity: 0.55;
    animation: rosette-spin 14s linear infinite;
}

@keyframes rosette-spin {
    to { transform: rotate(360deg); }
}

.rosette-tl { top: 8%;    left: 6%; }
.rosette-tr { top: 8%;    right: 6%; }
.rosette-bl { bottom: 8%; left: 6%; }
.rosette-br { bottom: 8%; right: 6%; }

/* ====================================================================
   THE CONTACT PLANE
   ==================================================================== */
.contact {
    min-height: 60vh;
    display: grid;
    place-items: center;
    padding-block: clamp(3rem, 6vh, 5rem);
}

.contact-blob {
    position: relative;
    width: min(720px, 88vw);
    padding: clamp(2rem, 4vw, 3rem);
    background: linear-gradient(180deg, var(--c-linen) 0%, #d4c3ac 100%);
    border-radius: 48% 52% 46% 54% / 10% 10% 90% 90%;
    clip-path: polygon(
        0% 8%, 4% 2%, 20% 0%, 50% 1%, 80% 0%, 96% 2%, 100% 8%,
        96% 48%, 80% 82%, 60% 96%, 50% 100%, 40% 96%, 20% 82%, 4% 48%
    );
    overflow: hidden;
}

.contact-blob::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    border-radius: inherit;
    background: conic-gradient(from var(--border-angle),
        var(--c-sienna), var(--c-ochre), var(--c-linen), var(--c-sienna)) border-box;
    -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    animation: border-spin 14s linear infinite;
    pointer-events: none;
    opacity: 0.6;
}

.contact-inner {
    display: grid;
    gap: clamp(0.9rem, 1.5vw, 1.25rem);
    text-align: center;
    position: relative;
    z-index: 2;
    padding-bottom: 2rem;
}

.contact-eyebrow {
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--c-sienna);
    margin: 0;
}

.contact-heading {
    font-weight: 600;
    font-size: clamp(1.3rem, 2.8vw, 2rem);
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: var(--c-umber-warm);
    margin: 0;
    max-width: 560px;
    margin-inline: auto;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 1rem auto 0;
    display: grid;
    gap: 0.6rem;
    max-width: 480px;
    width: 100%;
}

.contact-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: baseline;
    padding-block: 0.5rem;
    border-top: 1px solid rgba(74, 55, 40, 0.15);
}

.contact-list li:last-child {
    border-bottom: 1px solid rgba(74, 55, 40, 0.15);
}

.contact-label {
    font-weight: 300;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-leather);
    text-align: left;
}

.contact-value {
    font-weight: 350;
    font-size: 0.95rem;
    color: var(--c-umber-warm);
    text-align: left;
}

.contact-trace {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
    margin: 1rem auto 0;
}

.contact-trace path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    transition: stroke-dashoffset 2200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-trace.is-drawn path {
    stroke-dashoffset: 0;
}

.contact-colophon {
    font-weight: 300;
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--c-sage);
    margin: 0.5rem 0 0;
}

/* ====================================================================
   Responsive refinements
   ==================================================================== */
@media (max-width: 560px) {
    .portal-blob {
        aspect-ratio: 1 / 1.15;
    }
    .contact-list li {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
    .rosette-tl, .rosette-tr { top: 3%; }
    .rosette-bl, .rosette-br { bottom: 3%; }
}

@media (prefers-reduced-motion: reduce) {
    .portal-blob,
    .manifesto-blob,
    .portal-border-layer,
    .panel::before,
    .panel-photo::before,
    .manifesto-blob::before,
    .contact-blob::before,
    .rosette::after,
    .portal-cue {
        animation: none !important;
    }
}