/* =========================================================
   martiallaw.quest — Five hours of a single evening
   Aesthetic: japanese-minimal / pastoral-romantic / sunset
   ========================================================= */

:root {
    --rice-paper:   #FDF6EC;
    --night-soil:   #2C1810;
    --curfew-black: #1A0E08;
    --dark-umber:   #3D2B1F;
    --walnut:       #5C4033;
    --amber-hour:   #C48952;
    --copper-dusk:  #B86F3E;
    --warm-parchment:#F2DCC2;
    --wheat-gold:   #D4B896;
    --horizon-glow: #E8C9A0;
    --section-2-bg: #F5E6D0;
    --section-3-bg: #EDD5B8;

    --font-display: 'Jost', 'Futura', 'Helvetica Neue', sans-serif;
    --font-body:    'Libre Franklin', 'Inter', system-ui, sans-serif;
    --font-accent:  'Cormorant Garamond', 'Cormorant', Georgia, serif;

    --content-width: 560px;
    --asym-offset: -8%;

    --grid-h: 48px;
    --grid-v: 64px;

    --ease-soft: cubic-bezier(0.25, 0.1, 0.25, 1.0);
    --ease-ripple: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.75;
    letter-spacing: 0.01em;
    color: var(--walnut);
    background: var(--rice-paper);
    transition: background-color 1.2s var(--ease-soft);
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- Grid overlay (administrative ledger) ---------- */
.grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background-image:
        linear-gradient(to right, rgba(196, 137, 82, 0.06) 0.5px, transparent 0.5px),
        linear-gradient(to bottom, rgba(196, 137, 82, 0.06) 0.5px, transparent 0.5px);
    background-size: var(--grid-h) var(--grid-v);
    transition: opacity 1.2s var(--ease-soft), background-image 1.2s var(--ease-soft);
}

.grid-overlay.is-dim {
    background-image:
        linear-gradient(to right, rgba(196, 137, 82, 0.04) 0.5px, transparent 0.5px),
        linear-gradient(to bottom, rgba(196, 137, 82, 0.04) 0.5px, transparent 0.5px);
}

.grid-overlay.is-faint {
    background-image:
        linear-gradient(to right, rgba(196, 137, 82, 0.02) 0.5px, transparent 0.5px),
        linear-gradient(to bottom, rgba(196, 137, 82, 0.02) 0.5px, transparent 0.5px);
}

.grid-overlay.is-hidden {
    opacity: 0;
}

/* Searchlight scan effect */
.grid-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        transparent 40%,
        rgba(196, 137, 82, 0.18) 49%,
        rgba(196, 137, 82, 0.25) 50%,
        rgba(196, 137, 82, 0.18) 51%,
        transparent 60%,
        transparent 100%
    );
    background-size: 220% 100%;
    background-position: -120% 0;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 200ms linear;
    mix-blend-mode: screen;
}

.grid-overlay.is-scanning::after {
    opacity: 1;
    animation: scan-sweep 1.4s var(--ease-soft) forwards;
}

@keyframes scan-sweep {
    0%   { background-position: -120% 0; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 0.6; }
    100% { background-position: 220% 0; opacity: 0; }
}

/* ---------- Side navigation ---------- */
.side-nav {
    position: fixed;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    z-index: 10;
    padding: 18px 0;
}

.side-nav__line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: rgba(196, 137, 82, 0.35);
    transform: translateX(-50%);
    transition: background 0.6s var(--ease-soft);
}

.side-nav__dot {
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid var(--curfew-black);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.5s var(--ease-soft),
                border-color 0.5s var(--ease-soft),
                transform 0.5s var(--ease-soft);
}

.side-nav__dot.is-active {
    background: var(--amber-hour);
    border-color: var(--amber-hour);
    transform: scale(1.15);
}

/* When hours go dark, invert the line and dot outlines */
body.is-dark .side-nav__line { background: rgba(212, 184, 150, 0.35); }
body.is-dark .side-nav__dot  { border-color: var(--wheat-gold); }
body.is-dark .side-nav__dot.is-active { background: var(--amber-hour); border-color: var(--amber-hour); }

/* ---------- Scroll stage ---------- */
.scroll-stage {
    position: relative;
    z-index: 2;
}

.hour {
    position: relative;
    min-height: 100vh;
    padding: 200px 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
}

/* Soft 120px gradient overlap at the top of each section after hero */
.hour + .hour::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 0;
    right: 0;
    height: 240px;
    pointer-events: none;
    z-index: 0;
}

.hour--2::before {
    background: linear-gradient(to bottom, var(--rice-paper) 0%, var(--section-2-bg) 100%);
}
.hour--3::before {
    background: linear-gradient(to bottom, var(--section-2-bg) 0%, var(--section-3-bg) 100%);
}
.hour--4::before {
    background: linear-gradient(to bottom, var(--section-3-bg) 0%, var(--night-soil) 100%);
}
.hour--5::before {
    background: linear-gradient(to bottom, var(--night-soil) 0%, var(--curfew-black) 100%);
}

.hour--1 { background: var(--rice-paper); }
.hour--2 { background: var(--section-2-bg); }
.hour--3 { background: var(--section-3-bg); }
.hour--4 { background: var(--night-soil); color: var(--warm-parchment); }
.hour--5 { background: var(--curfew-black); color: var(--warm-parchment); }

/* ---------- Content column ---------- */
.content-column {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: var(--content-width);
    margin-left: auto;
    margin-right: auto;
    /* Off-center 8% to the left of true center */
    transform: translateX(var(--asym-offset));
    padding: 0 24px;
}

.content-column--split {
    max-width: 820px;
}

.content-column--silent {
    max-width: 620px;
    padding-top: 30vh;
    padding-bottom: 30vh;
}

.content-column--scattered {
    max-width: 820px;
}

.content-column--final {
    max-width: 620px;
    text-align: center;
    transform: translateX(0);
}

/* ---------- Typography ---------- */
.hour__epigraph {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 300;
    font-size: 14px;
    letter-spacing: 0.03em;
    color: var(--amber-hour);
    margin-bottom: 28px;
}

.hour__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 72px;
    letter-spacing: 0.08em;
    line-height: 1.15;
    color: var(--dark-umber);
}

.hour__title .hour__dot {
    color: var(--amber-hour);
}

.hour__silence {
    height: 80px;
}

.hour__body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--walnut);
    max-width: 480px;
}

.hour__caption {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 300;
    font-size: 14px;
    letter-spacing: 0.03em;
    color: var(--amber-hour);
    margin-top: 56px;
}

.hour__time {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 300;
    font-size: 14px;
    letter-spacing: 0.06em;
    color: var(--amber-hour);
    margin-bottom: 14px;
    text-transform: uppercase;
}

.hour__heading {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 32px;
    letter-spacing: 0.06em;
    line-height: 1.2;
    color: var(--dark-umber);
    margin-bottom: 18px;
}

/* ---------- Hour 2 split blocks ---------- */
.content-column--split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.hour__block {
    max-width: 340px;
}

.hour__block--left  { grid-column: 1; padding-top: 0; }
.hour__block--right { grid-column: 2; padding-top: 120px; }

.hour__horizon {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(196, 137, 82, 0.15);
    z-index: 1;
    pointer-events: none;
}

/* ---------- Hour 3 epigraph ---------- */
.hour__epigraph--center {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 300;
    font-size: 22px;
    line-height: 1.7;
    letter-spacing: 0.03em;
    color: var(--copper-dusk);
    text-align: center;
    margin-bottom: 0;
}

.hour__breath {
    text-align: center;
    padding: 4vh 0;
}

/* ---------- Hour 4 fragments ---------- */
.fragment {
    display: block;
    max-width: 380px;
    margin-bottom: 14vh;
    margin-left: var(--shift, 20%);
    color: var(--wheat-gold);
    font-size: 16px;
    line-height: 1.85;
}

.fragment--a { margin-top: 6vh; }
.fragment--c { margin-bottom: 18vh; }
.fragment--e { margin-bottom: 0; }

/* ---------- Hour 5 final ---------- */
.hour__epigraph--final {
    color: var(--amber-hour);
    margin-bottom: 28px;
    font-size: 13px;
    letter-spacing: 0.18em;
    font-style: normal;
    font-family: var(--font-display);
    text-transform: uppercase;
}

.hour__final {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 48px;
    letter-spacing: 0.08em;
    line-height: 1.25;
    color: var(--amber-hour);
    margin-bottom: 36px;
}

.hour__final-body {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 300;
    font-size: 17px;
    letter-spacing: 0.04em;
    color: var(--wheat-gold);
}

/* ---------- Bokeh fields ---------- */
.bokeh-field {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.bokeh {
    position: absolute;
    width: var(--size);
    height: var(--size);
    left: var(--x);
    top: var(--y);
    border-radius: 50%;
    opacity: var(--o);
    filter: blur(0.4px);
    will-change: transform;
}

.bokeh--amber {
    background: radial-gradient(circle, var(--amber-hour) 0%, rgba(196,137,82,0) 70%);
    animation: drift-left var(--d, 50s) linear infinite;
}

.bokeh--gold {
    background: radial-gradient(circle, var(--horizon-glow) 0%, rgba(232,201,160,0) 70%);
    animation: drift-left-slow var(--d, 50s) linear infinite;
}

.bokeh--copper {
    background: radial-gradient(circle, var(--copper-dusk) 0%, rgba(184,111,62,0) 72%);
    animation: drift-converge var(--d, 36s) linear infinite;
}

.bokeh--wheat {
    background: radial-gradient(circle, var(--wheat-gold) 0%, rgba(212,184,150,0) 75%);
    animation: drift-breath var(--d, 80s) ease-in-out infinite;
    filter: blur(2px);
}

.bokeh--candle {
    background: radial-gradient(circle, var(--warm-parchment) 0%, rgba(242,220,194,0) 70%);
    box-shadow: 0 0 12px rgba(242, 220, 194, 0.25);
    animation: candle-flicker var(--d, 26s) ease-in-out infinite;
    filter: blur(0.2px);
}

.bokeh--searchlight {
    width: 200px;
    height: 200px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--amber-hour) 0%, rgba(196,137,82,0.4) 30%, rgba(196,137,82,0) 75%);
    opacity: 0.06;
    border-radius: 50%;
    animation: searchlight-pulse 6s ease-in-out infinite;
    filter: blur(2px);
}

@keyframes drift-left {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-180px); }
}

@keyframes drift-left-slow {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-120px); }
}

@keyframes drift-converge {
    0%   { transform: translate(0, 0); }
    50%  { transform: translate(-20px, 8px); }
    100% { transform: translate(-40px, 0); }
}

@keyframes drift-breath {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: var(--o); }
    50%      { transform: translate(-12px, 6px) scale(1.04); opacity: calc(var(--o) * 0.7); }
}

@keyframes candle-flicker {
    0%, 100% { opacity: var(--o); transform: translate(0, 0); }
    25%      { opacity: calc(var(--o) * 0.65); transform: translate(0.5px, -0.5px); }
    50%      { opacity: calc(var(--o) * 0.85); transform: translate(-0.5px, 0.5px); }
    75%      { opacity: calc(var(--o) * 0.55); transform: translate(0.3px, 0.3px); }
}

@keyframes searchlight-pulse {
    0%, 100% { opacity: 0.04; transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 0.08; transform: translate(-50%, -50%) scale(1.06); }
}

/* ---------- Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms var(--ease-soft), transform 600ms var(--ease-soft);
    will-change: opacity, transform;
}

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

/* ---------- Ripple ---------- */
.ripple-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 8;
    overflow: hidden;
}

.ripple {
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    border: 1px solid rgba(196, 137, 82, 0.3);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
    .hour { padding: 140px 0; }
    .content-column { transform: translateX(0); padding: 0 28px; }
    .hour__title { font-size: 48px; }
    .hour__heading { font-size: 26px; }
    .hour__final { font-size: 36px; }
    .hour__epigraph--center { font-size: 19px; }

    .content-column--split {
        display: block;
    }
    .hour__block--right { padding-top: 60px; }
    .hour__block { max-width: 100%; }

    .side-nav { right: 18px; gap: 22px; }
    .fragment { margin-bottom: 10vh; }
}

@media (max-width: 540px) {
    body { font-size: 16px; }
    .hour__title { font-size: 40px; letter-spacing: 0.05em; }
    .hour__final { font-size: 30px; }
    .hour__silence { height: 56px; }
    .side-nav { display: none; }
}