/* Decorative atmosphere follows measured PSI; it does not estimate visibility. */
.intro{display:block;padding:32px 0}
.hero-visual{--hero-ink:var(--color-white);--hero-hover:#d6e5ff;--hero-focus:#a8c5ff;--hero-rule:#ffffff70;--hero-control-bg:#0b1b31b3;--hero-scrim:linear-gradient(110deg,#0b1b31dc,#0b1b31a6),linear-gradient(0deg,#0b1b3180,transparent 45%);position:relative;isolation:isolate;width:100%;min-width:0;border-radius:16px;background:#111f3a;color:var(--hero-ink)}
/* Foreground and scrim follow the calculated daypart, independently of haze density. */
.hero-visual:is([data-sky=day],[data-sky=dawn],[data-sky=dusk]){--hero-ink:var(--color-ink);--hero-hover:var(--color-ink);--hero-focus:var(--color-brand);--hero-rule:#15384750;--hero-control-bg:#ffffffb3;--hero-scrim:linear-gradient(90deg,transparent 48%,#ffffffb3 66%),linear-gradient(0deg,#ffffff33,transparent 35%)}
.hero-visual::after{content:'';position:absolute;inset:0;z-index:1;border-radius:inherit;pointer-events:none;background:var(--hero-scrim)}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:40px 48px;align-content:space-between;align-items:start;min-height:620px;padding:44px}
.intro-message{min-width:0}.intro-message .eyebrow{color:var(--hero-ink);margin:0 0 20px}.intro-message .tiny-line{background:var(--hero-focus)}
.intro-message h1{font-size:clamp(2.375rem,4.3vw,3.75rem);line-height:1.1;letter-spacing:-.045em}
.intro-message .intro-copy{color:var(--hero-ink);font-size:1rem;line-height:1.7;max-width:450px;margin:24px 0 0}
.sky-timepiece{min-width:0;text-align:right}.sky-clock-label{margin:0 0 8px;font-size:1rem;line-height:1.5}
.sky-clock{display:inline-flex;flex-direction:column;align-items:flex-end;max-width:100%;border:0;border-radius:8px;padding:4px 0;background:transparent;color:var(--hero-ink);font:inherit;cursor:pointer;font-variant-numeric:tabular-nums}
.sky-clock-digits{display:flex;align-items:baseline;justify-content:flex-end;flex-wrap:wrap;gap:0 .04em;max-width:100%;font-size:clamp(2.5rem,6.2vw,5.5rem);font-weight:500;line-height:1.1;letter-spacing:-.045em}
.sky-seconds{font-size:.5em;letter-spacing:0}.sky-clock-period{font-size:1rem;line-height:1.5;min-height:1.5em;margin-top:10px}
.sky-clock:hover{color:var(--hero-hover)}.hero-visual button:focus-visible{outline-color:var(--hero-focus)}
.sky-reflection{display:flex;align-items:center;gap:16px;align-self:end;min-width:0}
.sky-thought{display:grid;font-size:clamp(1.125rem,1.7vw,1.375rem);line-height:1.5;color:var(--hero-ink);margin:0;max-width:32ch;min-height:3em}
.hero-motion{display:grid;place-items:center;flex:none;width:44px;height:44px;border:1px solid var(--hero-rule);border-radius:50%;background:var(--hero-control-bg);color:var(--hero-ink);font:inherit;font-size:1.25rem;line-height:1;cursor:pointer}
.hero-motion:hover{background:var(--color-brand);color:var(--color-white)}
.sky-meta{display:flex;align-items:center;justify-content:flex-end;gap:16px;align-self:end;min-width:0;min-height:44px}
.sky-caption{font-size:1rem;line-height:1.5;color:var(--hero-ink);margin:0;text-align:right;overflow-wrap:anywhere}
@media(max-width:900px){.hero-content{grid-template-columns:minmax(0,1fr);gap:30px;min-height:640px;padding:32px}.sky-timepiece{text-align:left}.sky-clock{align-items:flex-start}.sky-clock-digits{justify-content:flex-start;font-size:clamp(2.5rem,12vw,5.5rem)}.sky-meta{justify-content:space-between}.sky-caption{text-align:left}.sky-reflection{justify-content:space-between}.sky-thought{min-height:3em}}
@media(max-width:700px){.hero-visual{border-radius:12px}.hero-content{padding:28px 24px;gap:28px;min-height:660px}.intro-message h1{font-size:2.25rem;letter-spacing:-.045em}.intro-message .eyebrow{margin:0 0 20px}.intro-message .intro-copy{margin-top:22px}.sky-clock-digits{font-size:clamp(2.5rem,12vw,4.5rem)}}
@media(max-width:360px){.hero-content{padding:28px 20px}.sky-reflection{gap:12px}}

.air-art{--haze-density:.35;--haze-tint:35%;--distance-blur:1.05px;--light-blur:1.75px;--mist:#c5bba9;--mist-opacity:var(--haze-density);--sky:color-mix(in srgb,#c4e2f7,#d8cbb7 var(--haze-tint));--sun:#f3cf85;--sun-opacity:calc(1 - var(--haze-density) * .65);position:absolute;inset:0;isolation:isolate;overflow:hidden;width:100%;height:100%;border-radius:inherit;background:var(--sky)}
.air-art[data-haze=stale]{--sky:#e6ebef;--mist:#aebbc6;--sun:#b9c2ca}
.sun{position:absolute;width:100px;height:100px;top:28px;left:66%;transform:translateX(-50%);border-radius:50%;background:var(--sun);opacity:var(--sun-opacity);filter:blur(var(--light-blur))}
.sun::before,.sun::after{content:'';position:absolute;inset:-20px;border-radius:50%;border:1px solid var(--sun);background:radial-gradient(circle,transparent 47%,var(--sun) 72%,transparent 73%);opacity:.22;animation:sun-halo 6s ease-in-out infinite;transform-origin:center}
.sun::after{inset:-38px;animation-delay:-3s;opacity:.12}
@keyframes sun-halo{0%,100%{transform:scale(.9);opacity:.12}50%{transform:scale(1.1);opacity:.3}}
.hero-visual[data-motion=paused] .sun::before,.hero-visual[data-motion=paused] .sun::after{animation-play-state:paused}
.landmark-panorama{position:absolute;bottom:0;left:0;display:block;width:100%;height:auto;max-width:none;pointer-events:none;opacity:calc(.9 - var(--haze-density) * .62);filter:blur(var(--distance-blur));mask-image:linear-gradient(180deg,transparent,black 24%);-webkit-mask-image:linear-gradient(180deg,transparent,black 24%)}
/* Keep the whole landmark composition visible below the stacked mobile report. */
@media(max-width:900px){.hero-content{padding-bottom:clamp(180px,33vw,320px)}.hero-visual:is([data-sky=day],[data-sky=dawn],[data-sky=dusk]){--hero-scrim:linear-gradient(0deg,#ffffff26,transparent 30%)}}
/* Diffuse overlapping air layers avoid the hard cloud-like edges of the old waves. */
.haze-wisps{position:absolute;inset:0;pointer-events:none;z-index:3;opacity:var(--haze-density);overflow:hidden}
.air-line{position:absolute;inset:12% -14% -10%;background:radial-gradient(ellipse at 24% 61%,var(--mist) 0,transparent 59%),radial-gradient(ellipse at 78% 85%,var(--mist),transparent 64%);filter:blur(22px);opacity:.38;transform:translate3d(-3%,0,0);animation:haze-drift 32s ease-in-out infinite alternate}
.air-line-2{inset:34% -18% -14%;opacity:.3;animation-delay:-13s;animation-duration:43s;animation-direction:alternate-reverse}
.air-line-3{inset:62% -16% -12%;opacity:.42;animation-delay:-21s;animation-duration:51s}
@keyframes haze-drift{from{transform:translate3d(-3%,1%,0)}to{transform:translate3d(3%,-1%,0)}}
.air-veil{position:absolute;inset:0;z-index:3;background:linear-gradient(180deg,transparent 4%,var(--mist) 100%);opacity:calc(var(--haze-density) * .82);pointer-events:none}
@media(prefers-reduced-motion:reduce){.sun::before,.sun::after{animation:none}.hero-motion{display:none}}
/* Solar colours are independent of the selected region and its PSI. */
.sky-backdrop{position:absolute;inset:0;background:linear-gradient(180deg,transparent 12%,#f6faff88);pointer-events:none}
.stars{display:none;position:absolute;inset:0;width:100%;height:100%;color:#ecf2ff;opacity:calc(1 - var(--haze-density));pointer-events:none}
.moon{display:none;position:absolute;z-index:2;width:96px;height:96px;left:clamp(56px,var(--moon-x,66%),calc(100% - 56px));top:var(--moon-y,28px);transform:translateX(-50%);opacity:calc(1 - var(--haze-density) * .78);filter:blur(var(--light-blur))}
.moon svg{display:block;position:relative;width:100%;height:100%;fill:#fff1c9;overflow:visible}
.moon .moon-shadow{fill:#25334c}
.moon::before{content:'';position:absolute;inset:-18px;border-radius:50%;background:radial-gradient(circle,#e7eeff26 40%,transparent 72%);animation:moon-halo 8s ease-in-out infinite}
@keyframes moon-halo{0%,100%{transform:scale(.94);opacity:.4}50%{transform:scale(1.08);opacity:.8}}
.air-art[data-sky=dawn] .sky-backdrop{background:radial-gradient(ellipse at 25% 74%,#f8c8a2,transparent 65%),linear-gradient(180deg,#dce4fb,transparent)}
.air-art[data-sky=dusk] .sky-backdrop{background:radial-gradient(ellipse at 76% 72%,#f2b993,transparent 66%),linear-gradient(180deg,#cbc5e4,transparent)}
.air-art[data-sky=dawn] .sun{left:25%;top:83px}
.air-art[data-sky=dusk] .sun{left:76%;top:83px}
.air-art[data-sky=night] .sky-backdrop{background:linear-gradient(180deg,#111f3a,#304460 70%,#8897ac)}
.air-art[data-sky=night] .sun{display:none}
.air-art[data-sky=night] .moon,.air-art[data-sky=night] .stars{display:block}
.air-art[data-sky=night] .landmark-panorama{filter:brightness(.38) saturate(.6) blur(var(--distance-blur))}
.air-art:is([data-sky=dawn],[data-sky=dusk]) .landmark-panorama{filter:sepia(.15) brightness(.88) blur(var(--distance-blur))}
.air-art[data-sky=night]{--mist:#8996a9;}
.air-art[data-sky=unknown] .sun{display:none}
.air-art[data-moon=new] .moon::before{display:none}
.hero-visual[data-motion=paused] .moon,.hero-visual[data-motion=paused] .moon::before{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.moon,.moon::before{animation:none}}

/* Small, asynchronous opacity changes keep the night sky quiet. */
.stars i{position:absolute;width:2px;height:2px;border-radius:50%;background:currentColor;opacity:.6;animation:star-twinkle 6s ease-in-out infinite}
.stars i:nth-child(1){left:6%;top:24%;animation-delay:-1s}.stars i:nth-child(2){left:13%;top:13%;animation-delay:-4s}.stars i:nth-child(3){left:22%;top:34%;animation-delay:-2s}.stars i:nth-child(4){left:30%;top:17%;animation-delay:-5s}.stars i:nth-child(5){left:39%;top:39%;animation-delay:-3s}.stars i:nth-child(6){left:48%;top:12%;animation-delay:-6s}.stars i:nth-child(7){left:56%;top:30%;animation-delay:-2.5s}.stars i:nth-child(8){left:75%;top:16%;animation-delay:-4.5s}.stars i:nth-child(9){left:85%;top:35%;animation-delay:-1.5s}.stars i:nth-child(10){left:94%;top:22%;animation-delay:-3.5s}.stars i:nth-child(11){left:9%;top:48%;animation-delay:-5.5s}.stars i:nth-child(12){left:19%;top:44%;animation-delay:-.5s}.stars i:nth-child(13){left:35%;top:9%;animation-delay:-3s}.stars i:nth-child(14){left:46%;top:46%;animation-delay:-1s}.stars i:nth-child(15){left:60%;top:9%;animation-delay:-5s}.stars i:nth-child(16){left:79%;top:48%;animation-delay:-2s}.stars i:nth-child(17){left:90%;top:9%;animation-delay:-4s}.stars i:nth-child(18){left:97%;top:45%;animation-delay:-6s}
.stars i:nth-child(3n){width:3px;height:3px;animation-duration:8s}.stars i:nth-child(4n){animation-duration:10s}
@keyframes star-twinkle{0%,100%{opacity:.28}50%{opacity:.86}}
.hero-visual[data-motion=paused] .air-line,.hero-visual[data-motion=paused] .stars i{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.air-line,.stars i{animation:none}}

.air-art[data-moon-visible=false] .moon{display:none}

/* All phrases share a reserved grid cell, so typing and cycling never move the report. */
.sky-thought-reserve{visibility:hidden;display:grid;grid-area:1/1}
.sky-thought-reserve span,.thought-visual{grid-area:1/1}
.thought-visual[data-typing=true]::after{content:'▏';color:var(--hero-focus)}
.hero-now{margin-top:20px;padding-top:12px;border-top:1px solid var(--hero-rule);text-align:left}
.hero-region,.hero-weather-label{display:inline-flex;align-items:center;min-height:44px;color:var(--hero-ink);text-decoration:underline;text-decoration-color:var(--hero-rule)}
.hero-region:hover,.hero-weather-label:hover{color:var(--hero-hover)}
.hero-readings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:6px 0 16px;font-size:1rem;line-height:1.5}
.hero-readings>div{min-width:0}.hero-readings dt{font-size:1rem;margin-bottom:6px}.hero-readings dd{margin:0}
.hero-readings strong{display:block;font-size:2rem;line-height:1.2;font-weight:500;font-variant-numeric:tabular-nums;margin-bottom:8px}
.hero-unit{font-size:1rem;white-space:nowrap}.hero-band{display:block;font-size:1rem;margin-bottom:8px}
.hero-source-time{display:block;font-size:1rem;line-height:1.5;color:var(--hero-ink)}
.hero-weather-report{border-top:1px solid var(--hero-rule);padding-top:6px;font-size:1rem;line-height:1.5}
.hero-weather-report p{margin:0 0 8px}.hero-weather-report #hero-weather{font-size:1.125rem}
@media(max-width:900px){.hero-now{max-width:560px}.sky-thought{max-width:36ch}.hero-content{min-height:0}}
@media(max-width:460px){.hero-readings{grid-template-columns:minmax(0,1fr);gap:20px}}
@media(min-width:901px){.sky-timepiece{max-width:100%}}

/* Keep only the quote text on a small readable plate over the waterfront. */
.thought-visual{justify-self:start;align-self:start;padding:6px 10px;border-radius:6px;background:var(--hero-control-bg);backdrop-filter:blur(8px)}
@media(max-width:900px){.thought-visual{padding:0;background:none;backdrop-filter:none}}