/* valuator.dev — wabi-sabi, asymmetric, elegant-serif, warm-earthy */

:root {
    --aged-linen: #F5EDE0;
    --warm-parchment: #EDE3D3;
    --charred-earth: #3D2B1F;
    --kiln-brown: #6B4423;
    --kintsugi-gold: #C4993B;
    --raw-umber: #8B7355;
    --dried-sage: #9CAF88;
    --walnut-shell: #4A3728;

    --ease-wabi: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --reveal-duration: 600ms;
    --transition-slow: 400ms;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Source Serif 4", Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.75;
    color: var(--charred-earth);
    background: var(--aged-linen);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Paper grain overlay */
.paper-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.035;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0.24 0 0 0 0 0.17 0 0 0 0 0.12 0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    mix-blend-mode: multiply;
}

/* Typography */
.h2 {
    font-family: "Cormorant Garamond", "Cormorant", Georgia, serif;
    font-weight: 300;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: 0.03em;
    line-height: 1.2;
    color: var(--charred-earth);
    margin: 0 0 1.2em 0;
}

.logotype {
    font-family: "Cormorant Garamond", Georgia, serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: 0.03em;
    color: var(--walnut-shell);
    line-height: 1;
}

.mono {
    font-family: "DM Mono", "Space Mono", monospace;
    font-weight: 400;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    color: var(--kiln-brown);
    opacity: 0.7;
}

.label {
    text-transform: lowercase;
    margin-bottom: 1.6em;
    display: block;
}

.note {
    margin-top: 1.6em;
    font-style: italic;
    display: block;
    opacity: 0.65;
}

.body {
    margin-bottom: 1.4em;
    max-width: 52ch;
}

.body em {
    font-style: italic;
    color: var(--walnut-shell);
}

.link {
    color: var(--kiln-brown);
    text-decoration: none;
    border-bottom: 1px solid var(--kintsugi-gold);
    padding-bottom: 2px;
    transition: color var(--transition-slow) var(--ease-wabi);
}

.link:hover {
    color: var(--kintsugi-gold);
}

/* Rooms */
.room {
    min-height: 100vh;
    padding: 10vh 6vw;
    position: relative;
    display: flex;
    align-items: center;
    background: var(--aged-linen);
}

.room:nth-of-type(even) {
    background: var(--warm-parchment);
}

.room-grid {
    display: grid;
    gap: 6vw;
    width: 100%;
    max-width: 1400px;
    align-items: center;
}

/* Opening Field */
.room--opening {
    padding-top: 14vh;
    padding-bottom: 14vh;
    align-items: flex-start;
}

.opening-grid {
    display: grid;
    grid-template-columns: 35% 1fr 15%;
    gap: 4vw;
    width: 100%;
    max-width: 1400px;
    padding-top: 8vh;
}

.opening-grid .logotype {
    grid-column: 1 / 2;
    margin-top: 2vh;
}

.opening-statement {
    grid-column: 2 / 3;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.2rem, 2.2vw, 1.75rem);
    line-height: 1.7;
    color: var(--charred-earth);
    letter-spacing: 0.02em;
    margin-top: 3vh;
}

.opening-statement .reveal {
    display: inline;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity var(--reveal-duration) var(--ease-wabi),
                transform var(--reveal-duration) var(--ease-wabi);
}

.opening-statement .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.opening-statement .reveal + .reveal::before {
    content: " ";
}

.opening-meta {
    grid-column: 1 / 2;
    margin-top: auto;
    padding-top: 14vh;
}

/* Room 1 — narrow/wide */
.room--one .room-grid {
    grid-template-columns: 35% 65%;
}

/* Room 2 — wide/narrow (inverted) */
.room--two .room-grid {
    grid-template-columns: 65% 35%;
}

/* Room 3 — 20/80 */
.room--three .room-grid {
    grid-template-columns: 20% 80%;
    gap: 4vw;
}

.room-text--slim {
    padding-right: 2vw;
    border-right: 1px solid rgba(139, 115, 85, 0.25);
}

.room-text--wide {
    padding-left: 2vw;
}

/* Room 4 — single wide ledger */
.room--four .room-grid {
    grid-template-columns: 1fr;
    justify-items: start;
}

.ledger {
    max-width: 64ch;
    margin-left: 10%;
}

.ledger-list {
    list-style: none;
    counter-reset: ledger;
    margin-top: 1.5em;
}

.ledger-list li {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1.5rem;
    padding: 1.2em 0;
    border-bottom: 1px dashed rgba(107, 68, 35, 0.25);
}

.ledger-list li:last-child {
    border-bottom: none;
}

.ledger-num {
    color: var(--kintsugi-gold);
    opacity: 0.85;
    font-size: 0.95rem;
}

.ledger-text {
    font-family: "Cormorant Garamond", Georgia, serif;
    font-weight: 300;
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    font-style: italic;
    color: var(--charred-earth);
    line-height: 1.5;
}

/* Closing */
.room--closing {
    padding-top: 18vh;
    padding-bottom: 18vh;
    align-items: center;
}

.closing-grid {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 3vw;
    width: 100%;
    max-width: 1200px;
    margin-left: 8%;
}

.closing-grid .label {
    grid-column: 1 / 2;
}

.closing-line {
    grid-column: 2 / 3;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-weight: 300;
    font-size: clamp(1.75rem, 4vw, 2.8rem);
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: var(--charred-earth);
}

.closing-line em {
    font-style: italic;
}

.closing-contact {
    grid-column: 2 / 3;
    margin-top: 3vh;
    font-size: 1.1rem;
}

.closing-address {
    grid-column: 2 / 3;
    margin-top: 1.5em;
    line-height: 1.8;
}

.closing-mark {
    grid-column: 1 / 2;
    margin-top: 6vh;
    color: var(--kintsugi-gold);
    opacity: 0.7;
}

/* Room text */
.room-text {
    padding: 2vh 0;
}

/* Room figure — material plates */
.room-figure {
    margin: 0;
    position: relative;
}

.material-plate {
    width: 100%;
    aspect-ratio: 4 / 5;
    max-height: 72vh;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px -30px rgba(61, 43, 31, 0.55),
                inset 0 0 0 1px rgba(107, 68, 35, 0.1);
    filter: saturate(0.7);
}

.material-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.material-plate::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(245, 237, 224, 0.15) 0%, rgba(245, 237, 224, 0) 45%);
    pointer-events: none;
}

.room-figure figcaption {
    margin-top: 1em;
    text-align: right;
    padding-right: 0.5em;
}

/* Kintsugi seams */
.kintsugi-seam {
    width: 100%;
    height: 40px;
    padding: 0;
    margin: 0;
    background: var(--aged-linen);
    position: relative;
    overflow: hidden;
}

.kintsugi-seam svg {
    width: 100%;
    height: 100%;
    display: block;
}

.kintsugi-seam svg path {
    fill: none;
    stroke: var(--kintsugi-gold);
    stroke-width: 1.2;
    stroke-linecap: round;
    filter: drop-shadow(0 0 1px rgba(196, 153, 59, 0.4));
    opacity: 0.85;
}

.kintsugi-seam--strong svg path {
    stroke-width: 1.8;
    opacity: 1;
    filter: drop-shadow(0 0 2px rgba(196, 153, 59, 0.55));
}

/* Wave separators */
.wave-sep {
    width: 100%;
    height: 60px;
    background: var(--raw-umber);
    background-color: rgba(139, 115, 85, 0.08);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.wave-sep svg {
    width: 100%;
    height: 100%;
    display: block;
}

.wave-path {
    fill: none;
    stroke: var(--kiln-brown);
    stroke-width: 0.9;
    opacity: 0.2;
    stroke-linecap: round;
}

.wave-path.wave-a {
    stroke-width: 1.1;
    animation: waveBreath 8s var(--ease-wabi) infinite alternate;
}

.wave-path.wave-b {
    stroke-width: 0.7;
    opacity: 0.15;
    animation: waveBreath 8s var(--ease-wabi) infinite alternate-reverse;
}

.wave-path.wave-c {
    stroke-width: 0.5;
    opacity: 0.12;
    animation: waveBreathAlt 10s var(--ease-wabi) infinite alternate;
}

@keyframes waveBreath {
    0% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
    100% { transform: translateY(3px); }
}

@keyframes waveBreathAlt {
    0% { transform: translateY(2px); }
    50% { transform: translateY(-3px); }
    100% { transform: translateY(1px); }
}

/* Reveal phrase (for IntersectionObserver) */
.reveal-phrase {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 600ms var(--ease-wabi),
                transform 600ms var(--ease-wabi);
}

.reveal-phrase.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Dot navigation */
.dot-nav {
    position: fixed;
    left: 2.5vw;
    bottom: 4vh;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    z-index: 50;
}

.dot {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    text-decoration: none;
    color: var(--kiln-brown);
    font-family: "DM Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    cursor: pointer;
}

.dot-mark {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--kiln-brown);
    opacity: 0.45;
    transition: background var(--transition-slow) var(--ease-wabi),
                opacity var(--transition-slow) var(--ease-wabi),
                transform var(--transition-slow) var(--ease-wabi);
    flex-shrink: 0;
}

.dot-label {
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity var(--transition-slow) var(--ease-wabi),
                transform var(--transition-slow) var(--ease-wabi);
    color: var(--kiln-brown);
    white-space: nowrap;
    pointer-events: none;
}

.dot:hover .dot-label,
.dot.is-active .dot-label {
    opacity: 0.8;
    transform: translateX(0);
}

.dot:hover .dot-mark {
    background: var(--kintsugi-gold);
    opacity: 1;
    transform: scale(1.3);
}

.dot.is-active .dot-mark {
    background: var(--kintsugi-gold);
    opacity: 1;
}

/* Responsive — collapse to single column below 768px */
@media (max-width: 768px) {
    .room {
        padding: 8vh 6vw;
        min-height: auto;
    }

    .opening-grid {
        grid-template-columns: 1fr;
        padding-top: 4vh;
    }

    .opening-grid .logotype,
    .opening-statement,
    .opening-meta {
        grid-column: 1 / -1;
    }

    .opening-meta {
        padding-top: 4vh;
    }

    .room--one .room-grid,
    .room--two .room-grid,
    .room--three .room-grid {
        grid-template-columns: 1fr !important;
        gap: 3rem;
    }

    .room--two .room-grid .room-figure {
        order: -1;
    }

    .room--one .room-grid .room-figure,
    .room--three .room-grid .room-text--slim {
        order: -1;
    }

    .room-text--slim {
        border-right: none;
        border-bottom: 1px solid rgba(139, 115, 85, 0.25);
        padding-right: 0;
        padding-bottom: 1.5rem;
    }

    .room-text--wide {
        padding-left: 0;
    }

    .closing-grid {
        grid-template-columns: 1fr;
        margin-left: 0;
    }

    .closing-grid .label,
    .closing-line,
    .closing-contact,
    .closing-address,
    .closing-mark {
        grid-column: 1 / -1;
    }

    .ledger {
        margin-left: 0;
    }

    .ledger-list li {
        grid-template-columns: 2rem 1fr;
        gap: 1rem;
    }

    .dot-nav {
        left: 1.5vw;
        bottom: 2vh;
        gap: 0.6rem;
    }

    .dot-label {
        display: none;
    }
}

/* Print - calm */
@media print {
    .dot-nav, .wave-sep, .kintsugi-seam, .paper-grain {
        display: none;
    }
    .room {
        min-height: auto;
        page-break-inside: avoid;
    }
}