/* Shared progress keeps artwork and page colors synchronized during day/night changes. */
@property --night-progress {
  syntax: "<number>";
  inherits: true;
  initial-value: 0;
}
:root {
  color-scheme: light;
  --night-progress: 0;
  --paper: color-mix(in srgb, #fafaf7 calc((1 - var(--night-progress)) * 100%), #101c2b);
  --ink: color-mix(in srgb, #243d3c calc((1 - var(--night-progress)) * 100%), #e3eae8);
  --muted: color-mix(in srgb, #51645d calc((1 - var(--night-progress)) * 100%), #b4c5ca);
  --line: color-mix(in srgb, #81998a calc((1 - var(--night-progress)) * 100%), #48616b);
  --accent: color-mix(in srgb, #325d48 calc((1 - var(--night-progress)) * 100%), #c0d9c7);
  --button: color-mix(in srgb, #315f50 calc((1 - var(--night-progress)) * 100%), #b2d1b9);
  --button-ink: color-mix(in srgb, #fff calc((1 - var(--night-progress)) * 100%), #152c24);
  transition: --night-progress .55s cubic-bezier(.22, 1, .36, 1);
}
:root[data-theme="dark"] { color-scheme: dark; --night-progress: 1; }
* { box-sizing: border-box; }
html { scrollbar-color: var(--muted) var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 Arial, sans-serif; }
h1, h2, p, figure { margin: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-underline-offset: 4px; }
::selection { background: var(--accent); color: var(--paper); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
.wrap { position: relative; z-index: 1; max-width: 1040px; margin-inline: auto; padding-inline: 36px; }

/* The day layer stays opaque; only the night layer fades over it. */
.header-panorama { position: relative; width: 100%; overflow: hidden; background: var(--paper); }
.header-panorama img, .city-footer img { display: block; width: 100%; height: auto; }
.header-panorama img { margin-top: -9.45%; margin-bottom: -1.6%; }
.art-night { position: absolute; inset: 0 auto auto 0; opacity: var(--night-progress); pointer-events: none; }
.header-panorama::after { content: ""; position: absolute; z-index: 1; inset: auto 0 -1px; height: 20%; background: linear-gradient(transparent, var(--paper)); pointer-events: none; }
.theme-toggle { position: absolute; z-index: 2; top: clamp(2px, .35vw, 8px); right: 17%; width: clamp(44px, 4vw, 58px); height: clamp(44px, 4vw, 58px); padding: 0; border: 0; border-radius: 50%; background: transparent; cursor: pointer; isolation: isolate; transition: transform .2s ease; }
.theme-toggle:focus-visible { outline-offset: -2px; }
.theme-toggle::before { content: ""; position: absolute; z-index: -1; inset: -25%; border-radius: 50%; pointer-events: none; background: radial-gradient(circle, #fff7c7bd 0%, #ffe69c70 35%, #ffe5a000 72%); opacity: calc((1 - var(--night-progress)) * .65); }
.theme-toggle svg { position: absolute; inset: 0; display: block; width: 100%; height: 100%; transition: opacity .3s ease-out, transform .55s cubic-bezier(.22, 1, .36, 1); }
.sun-icon { overflow: visible; }
.moon-icon { opacity: 0; transform: translateY(-9px) rotate(-12deg) scale(.92); }
[data-theme="dark"] .sun-icon { opacity: 0; transform: translateY(9px) rotate(12deg) scale(.92); }
[data-theme="dark"] .moon-icon { opacity: 1; transform: none; }
.sun-rays { transform-origin: 32px 32px; animation: sun-rays-turn 14s linear infinite; opacity: .9; }
[data-theme="dark"] .sun-rays { animation-play-state: paused; }
@keyframes sun-rays-turn { to { transform: rotate(360deg); } }

.intro { padding: 18px 0; }
h1 { max-width: 900px; font-size: clamp(29px, 2.9vw, 40px); font-weight: 500; line-height: 1.2; letter-spacing: -.035em; text-wrap: balance; }
.intro p { max-width: 740px; margin-top: 20px; color: var(--muted); font-size: 19px; line-height: 1.65; }
.simple-answers { position: relative; margin-top: 20px; padding-bottom: 16px; }
.simple-answers::before { content: ""; position: absolute; z-index: -1; left: 90px; top: 140px; bottom: 0; width: 2px; background: repeating-linear-gradient(to bottom, color-mix(in srgb, var(--line) 38%, transparent) 0 4px, transparent 4px 13px); }
.simple-answer { position: relative; display: grid; grid-template-columns: 180px minmax(0, 1fr); column-gap: 42px; align-items: start; padding: 35px 0; }
.simple-answer h2, .simple-answer p, .town-sprig { grid-column: 2; }
.simple-answer h2 { margin-bottom: 12px; font-size: 29px; font-weight: 500; line-height: 1.25; letter-spacing: -.02em; color: var(--accent); }
.simple-answer p { max-width: 660px; font-size: 20px; line-height: 1.65; color: var(--muted); }
.style-art { display: block; grid-column: 1; grid-row: 1 / span 3; width: 180px; height: 180px; background: var(--paper) url("assets/optimized/objects.webp") no-repeat; background-size: 400% 100%; background-position-y: 0; border-radius: 24px; transform-origin: 50% 75%; transition: transform .28s cubic-bezier(.2, .8, .3, 1); }
.style-art-0 { background-position-x: 0; }
.style-art-1 { background-position-x: 33.333333%; }
.style-art-2 { background-position-x: 66.666667%; }
.style-art-3 { background-position-x: 100%; }
.town-sprig { display: block; width: 78px; height: 30px; margin-top: 17px; fill: color-mix(in srgb, #b7c7a9 calc((1 - var(--night-progress)) * 100%), #4d7166); stroke: color-mix(in srgb, #819e85 calc((1 - var(--night-progress)) * 100%), #749d8b); stroke-width: 1.1; }

.contact-block { position: relative; padding: 90px 0 18px; margin-bottom: 70px; text-align: center; }
.route-finish { position: absolute; top: -16px; left: 0; width: 100%; height: 95px; overflow: visible; pointer-events: none; fill: none; stroke: color-mix(in srgb, var(--line) 55%, transparent); stroke-width: 1.5; stroke-dasharray: 3 8; }
.route-finish circle { fill: var(--muted); stroke: none; }
.route-mobile { display: none; }
.telegram-link { display: inline-flex; align-items: center; justify-content: center; gap: 13px; max-width: 100%; padding: 18px 30px; border: 1px solid transparent; border-radius: 9px; background: var(--button); color: var(--button-ink); text-decoration: none; font-size: 18px; font-weight: 500; line-height: 1.6; box-shadow: 0 6px 16px #173b2418; transition: transform .18s ease, box-shadow .18s ease; }
.telegram-link svg { flex: none; }
.telegram-icon { width: 23px; height: 23px; fill: currentColor; }
.contact-arrow { width: 20px; height: 20px; margin-left: 12px; fill: none; stroke: currentColor; stroke-width: 1.5; transition: transform .18s ease; }
.city-footer { overflow: hidden; position: relative; margin: clamp(-150px, -10vw, -32px) 0 0; padding: 0; width: 100%; background: var(--paper); line-height: 0; pointer-events: none; mask-image: linear-gradient(to bottom, transparent 20%, #000 47%); }
.lamp-warmth { position: absolute; top: 23px; left: 0; width: 100%; height: auto; opacity: calc(var(--night-progress) * .13); }
.night-arriving .lamp-warmth { animation: lamps-settle 1s ease-out; }
@keyframes lamps-settle { 0% { opacity: 0; } 45% { opacity: .35; } 100% { opacity: .13; } }
@media (hover: hover) and (pointer: fine) {
  .theme-toggle:hover { transform: scale(1.1); }
  .simple-answer:hover .style-art { transform: translateY(-5px) rotate(-2deg); }
  .simple-answer:nth-child(even):hover .style-art { transform: translateY(-5px) rotate(2deg); }
  .telegram-link:hover { color: var(--button-ink); background: color-mix(in srgb, #264e40 calc((1 - var(--night-progress)) * 100%), #c5dfcb); transform: translateY(-2px); box-shadow: 0 9px 20px #173b2428; }
  .telegram-link:hover .contact-arrow { transform: translateX(3px); }
}
.telegram-link:active { transform: translateY(0); }
@media (max-width: 700px) {
  /* Keep the town readable on a phone instead of shrinking the entire panorama. */
  .header-panorama { height: 230px; }
  .header-panorama img {
    position: absolute;
    top: 0;
    left: 50%;
    width: auto;
    max-width: none;
    height: 330px;
    margin: -94px 0 0;
    transform: translateX(-50%);
  }
  .header-panorama::after { height: 36px; }
  .theme-toggle { top: 8px; right: 12%; }
  .theme-toggle svg { width: 40px; height: 40px; left: 2px; top: 2px; }
  .city-footer { height: 200px; margin-top: 0; }
  .city-footer img {
    position: absolute;
    top: 0;
    left: 50%;
    width: auto;
    max-width: none;
    height: 235px;
    margin: -35px 0 0;
    transform: translateX(-50%);
  }
  .lamp-warmth { display: none; }
  .wrap { padding-inline: 20px; }
  h1 { font-size: 29px; text-wrap: initial; }
  .title-break { display: none; }
  .intro { padding-top: 6px; padding-bottom: 14px; }
  .intro p { margin-top: 17px; font-size: 17px; }
  .simple-answers { margin-top: 12px; }
  .simple-answers::before { display: none; }
  .simple-answer { grid-template-columns: 96px minmax(0, 1fr); gap: 14px 22px; padding: 24px 0; }
  .style-art { grid-row: 1; width: 96px; height: 96px; }
  .simple-answer h2 { align-self: center; margin: 0; font-size: 25px; }
  .simple-answer p, .town-sprig { grid-column: 1 / -1; }
  .simple-answer p { font-size: 17px; }
  .town-sprig { width: 62px; height: 24px; margin-top: 0; }
  .contact-block { margin-bottom: 0; padding-top: 64px; }
  .route-finish { height: 66px; top: -8px; }
  .route-desktop { display: none; }
  .route-mobile { display: block; }
  .telegram-link { padding: 17px 24px; font-size: 16px; gap: 10px; }
  .contact-arrow { margin-left: 4px; }
}
@media (max-width: 600px) {
  .theme-toggle::before { inset: -22% -15% 0 -20%; }
}
@media (max-width: 360px) {
  .simple-answer { grid-template-columns: 80px minmax(0, 1fr); column-gap: 16px; }
  .style-art { width: 80px; height: 80px; }
  .simple-answer h2 { font-size: 23px; }
  .telegram-link { padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .simple-answer:hover .style-art, .theme-toggle:hover, .telegram-link:hover, .telegram-link:hover .contact-arrow { transform: none; }
}