/* Rain Sounds: base layout, glass and the home dashboard (from the locked Phase 1 design). */
:root {
  --ui: 1;                            /* interface size (Settings / Display): tiny .8 (the default), small .9, medium 1, large 1.06 */
  --u: calc(min(100vw / 1357, 100dvh / 871) * var(--ui));
  --ink: #ffffff;
  --glass: rgba(255,255,255,.155);
  --glass-line: rgba(255,255,255,.20);
  --tip: rgba(7,24,30,.82);
  --e-out: cubic-bezier(.16,1,.3,1);
  --e-soft: cubic-bezier(.22,.61,.36,1);
  --e-pen: cubic-bezier(.37,.01,.2,1);
  /* rain3d.js sets the chosen scene's photo; until then the dark gradient shows (no extra download) */
  --photo: none;
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@supports not (height: 100dvh) {
  :root { --u: calc(min(100vw / 1357, 100vh / 871) * var(--ui)); }
}
html[data-size="tiny"] { --ui: .8; }
html[data-size="small"] { --ui: .9; }
html[data-size="large"] { --ui: 1.06; }

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  background: #04121b;
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-feature-settings: "kern" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}
::selection { background: rgba(160,225,230,.35); color: rgb(var(--ink-rgb)); }
a, button { color: inherit; font: inherit; text-decoration: none; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: calc(2*var(--u)) solid #fff; outline-offset: calc(2*var(--u)); }

.ic {
  width: 1em; height: 1em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ───────────── Stage + atmosphere ───────────── */
.stage {
  position: fixed; inset: 0; overflow: hidden;
  background-color: #04121b;
}
/* The scene photo (shown when 3D is off or still loading); --bright is the brightness setting */
.photo {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    var(--photo),
    radial-gradient(120% 80% at 55% 20%, #1d4a4f 0%, #0b2a31 45%, #04121b 100%);
  background-size: cover;
  background-position: center 25%;
  background-repeat: no-repeat;
}
.photo, .scene-gl { filter: brightness(var(--bright, 1)); }
/* Colour grade for the tinted themes (fill and strength per theme in app.css) */
.stage::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, #123f46 0%, #0d3238 50%, #0a272d 100%);
  mix-blend-mode: color; opacity: .5;
}
.stage::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(105deg, rgba(4,16,24,.34) 0%, rgba(4,16,24,.20) 40%, rgba(4,16,24,.06) 78%, transparent 100%),
    linear-gradient(0deg, rgba(4,16,24,.38) 0%, rgba(4,16,24,.1) 30%, transparent 48%);
}
.sidebar, .header, .hero, .forecast, .rail { z-index: 4; }

/* Lightning: two irregular strobes lighting the clouds from inside */
.flash {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0;
  mix-blend-mode: screen;
  background:
    radial-gradient(55% 48% at 54% 15%, rgba(190,240,245,.6) 0%, rgba(150,215,225,.2) 45%, transparent 75%),
    linear-gradient(180deg, rgba(200,240,250,.12), rgba(200,240,250,0) 70%);
  animation: flash 14s linear 5s infinite;
}
.flash.far {
  background: radial-gradient(40% 40% at 16% 34%, rgba(180,230,240,.38) 0%, rgba(150,215,225,.1) 50%, transparent 78%);
  animation: flashFar 23s linear 11s infinite;
}

/* Falling rain: three depths of streaks, slanted, sitting behind the glass */
.rain {
  position: absolute; inset: -30% -20%; z-index: 3; pointer-events: none;
  transform: rotate(9deg);
  animation: fadeIn 2.4s var(--e-soft) 1.4s backwards;
}
.rain span { position: absolute; left: 0; right: 0; bottom: 0; will-change: transform; }
.rain .near {
  top: -320px; opacity: .4;
  background-image:
    radial-gradient(ellipse 1.1px 32px at 12% 10%, rgba(255,255,255,.75), transparent),
    radial-gradient(ellipse 1px 24px at 47% 38%, rgba(255,255,255,.6), transparent),
    radial-gradient(ellipse 1.1px 36px at 78% 66%, rgba(255,255,255,.7), transparent),
    radial-gradient(ellipse 1px 22px at 30% 82%, rgba(255,255,255,.55), transparent),
    radial-gradient(ellipse 1px 28px at 92% 20%, rgba(255,255,255,.6), transparent);
  background-size: 190px 320px;
  animation: fallNear .6s linear infinite;
}
.rain .mid {
  top: -260px; opacity: .3; transform-origin: center;
  background-image:
    radial-gradient(ellipse .85px 20px at 18% 22%, rgba(255,255,255,.75), transparent),
    radial-gradient(ellipse .85px 17px at 58% 58%, rgba(255,255,255,.7), transparent),
    radial-gradient(ellipse .85px 22px at 84% 8%, rgba(255,255,255,.7), transparent),
    radial-gradient(ellipse .85px 16px at 40% 90%, rgba(255,255,255,.65), transparent);
  background-size: 147px 260px;
  animation: fallMid .78s linear infinite;
}
.rain .far {
  top: -220px; opacity: .22;
  background-image:
    radial-gradient(ellipse .7px 15px at 8% 30%, rgba(255,255,255,.8), transparent),
    radial-gradient(ellipse .7px 13px at 36% 70%, rgba(255,255,255,.7), transparent),
    radial-gradient(ellipse .7px 17px at 61% 12%, rgba(255,255,255,.75), transparent),
    radial-gradient(ellipse .7px 12px at 84% 52%, rgba(255,255,255,.7), transparent),
    radial-gradient(ellipse .7px 14px at 22% 94%, rgba(255,255,255,.7), transparent),
    radial-gradient(ellipse .7px 12px at 72% 86%, rgba(255,255,255,.65), transparent);
  background-size: 110px 220px;
  animation: fallFar 1s linear infinite;
}
.grain {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background-image: var(--noise); background-size: 180px 180px;
  mix-blend-mode: soft-light; opacity: .22;
}

/* WebGL layers (rain3d.js): the depth-photo scene sits behind everything, drops-on-glass above the UI */
.scene-gl, .glass-gl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.scene-gl { z-index: 0; opacity: 0; transition: opacity .6s var(--e-soft); }
.glass-gl { z-index: 6; }
.gl-on .scene-gl { opacity: 1; }
.gl-on .rain, .gl-on .flash { display: none; }

/* Opening: black until the first lightning strike reveals the storm */
.curtain { position: fixed; inset: 0; z-index: 50; display: none; pointer-events: none; background: #02080c; }
html.js .curtain { display: block; }
html.opened .curtain { animation: curtainOut 1s linear forwards; }
html.opened.gl-on .curtain { animation: curtainCut .9s linear forwards; }
html.calm .curtain { display: none; }
/* Hold every entrance until the strike */
html.js:not(.go) .stage *, html.js:not(.go) .stage *::before, html.js:not(.go) .stage *::after { animation-play-state: paused !important; }

/* ───────────── Liquid-glass rim (shared) ───────────── */
.sidebar::before, .card::before, .tool::before, .chip::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(165deg,
    rgba(255,255,255,.48) 0%,
    rgba(255,255,255,.10) 32%,
    rgba(255,255,255,.04) 62%,
    rgba(255,255,255,.20) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

/* Glass thickness: lit top edge, shaded bottom, an inner second edge, a soft halo on the photo.
   --flash (set by rain3d.js during lightning) makes the glass catch the strike. */
.sidebar, .card, .tool, .chip {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255, calc(.2 + var(--flash, 0) * .55)),
    inset 0 -1px 0 rgba(4,16,24,.24),
    inset 0 calc(-14*var(--u)) calc(22*var(--u)) calc(-16*var(--u)) rgba(4,16,24,.22),
    inset 0 0 calc(30*var(--u)) rgba(190,235,245, calc(var(--flash, 0) * .22)),
    0 calc(20*var(--u)) calc(44*var(--u)) calc(-16*var(--u)) rgba(1,8,12,.42);
  outline: 1px solid rgba(255,255,255,.07);
  outline-offset: calc(-4*var(--u));
}
.tool:focus-visible, .card:focus-visible, .chip:focus-visible { outline: calc(2*var(--u)) solid #fff; outline-offset: calc(2*var(--u)); }

/* Tooltips (pointer devices) */
@media (hover: hover) and (min-width: 861px) {
  .nav a::after, .logout::after, .tools .tool[aria-label]::after {
    content: attr(aria-label);
    position: absolute; z-index: 20; pointer-events: none; white-space: nowrap;
    padding: calc(7*var(--u)) calc(11*var(--u));
    border-radius: calc(10*var(--u));
    font-size: calc(12.5*var(--u)); font-weight: 500; letter-spacing: calc(-.1*var(--u));
    color: rgb(var(--ink-rgb)); background: var(--tip);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    opacity: 0;
    transition: opacity .2s var(--e-soft), transform .3s var(--e-out);
  }
  .nav a::after, .logout::after {
    left: calc(100% + 34*var(--u)); top: 50%;
    transform: translate3d(calc(-6*var(--u)), -50%, 0);
  }
  .tools .tool[aria-label]::after {
    left: 50%; top: calc(100% + 10*var(--u));
    transform: translate3d(-50%, calc(-4*var(--u)), 0);
  }
  .nav a:hover::after, .nav a:focus-visible::after,
  .logout:hover::after, .logout:focus-visible::after { opacity: 1; transform: translate3d(0, -50%, 0); }
  .tools .tool:hover::after, .tools .tool:focus-visible::after { opacity: 1; transform: translate3d(-50%, 0, 0); }
}

/* ───────────── Sidebar ───────────── */
.sidebar {
  position: absolute;
  left: calc(16*var(--u)); top: calc(14*var(--u)); bottom: calc(7*var(--u));
  width: calc(72*var(--u));
  display: flex; flex-direction: column; align-items: center;
  padding-top: calc(22*var(--u)); padding-bottom: calc(52*var(--u));
  background: linear-gradient(180deg,
    rgba(255,255,255,.125) 0%,
    rgba(255,255,255,.135) 13%,
    rgba(255,255,255,.098) 34%,
    rgba(255,255,255,.092) 100%);
  -webkit-backdrop-filter: blur(calc(18*var(--u))) saturate(115%);
  backdrop-filter: blur(calc(18*var(--u))) saturate(115%);
  border-radius: calc(26*var(--u));
  animation: slideL .92s var(--e-out) .05s backwards;
}
/* Centred on the active (first) nav icon */
.pip {
  position: absolute; left: calc(-2*var(--u)); top: calc(116.5*var(--u));
  width: calc(5*var(--u)); height: calc(29*var(--u));
  border-radius: calc(3*var(--u)); background: rgb(var(--ink-rgb));
  box-shadow: 0 0 calc(10*var(--u)) rgba(255,255,255,.6), 0 0 calc(24*var(--u)) rgba(170,230,240,.35);
  animation: growY .5s var(--e-out) .68s backwards;
}
.logo { display: block; width: calc(40*var(--u)); height: calc(40*var(--u)); animation: popIn .7s var(--e-out) .26s backwards; }
.logo svg { width: 100%; height: 100%; display: block; overflow: visible; }
.logo .waves { animation: waveDrift 5s linear infinite; }
.nav { display: flex; flex-direction: column; align-items: center; gap: calc(43*var(--u)); margin-top: calc(57.5*var(--u)); }
.nav a, .logout {
  position: relative;
  display: grid; place-items: center;
  font-size: calc(23*var(--u)); opacity: .74;
  transition: opacity .25s var(--e-soft);
  animation: riseIn .6s var(--e-out) backwards;
}
.nav a .ic, .logout .ic { transition: transform .3s var(--e-out); }
.nav a:hover, .logout:hover, .nav a[aria-current="page"] { opacity: 1; }
.nav a[aria-current="page"] .ic { filter: drop-shadow(0 0 calc(6*var(--u)) rgba(255,255,255,.55)); }
.nav a:nth-child(1) { animation-delay: .36s; }
.nav a:nth-child(2) { animation-delay: .41s; }
.nav a:nth-child(3) { animation-delay: .46s; }
.nav a:nth-child(4) { animation-delay: .51s; }
.nav a:nth-child(5) { animation-delay: .56s; }
.logout { margin-top: auto; animation-delay: .7s; }

/* ───────────── Header ───────────── */
.header {
  position: absolute;
  top: calc(22*var(--u)); left: calc(126*var(--u)); right: calc(37*var(--u));
  height: calc(52*var(--u));
  display: flex; align-items: center; justify-content: space-between;
}
.hello { font-size: calc(16*var(--u)); font-weight: 400; line-height: 1; color: rgba(var(--ink-rgb),.93); animation: riseIn .7s var(--e-out) .14s backwards; }
.who { font-size: calc(19.5*var(--u)); font-weight: 700; line-height: 1; letter-spacing: calc(-.35*var(--u)); margin-top: calc(13*var(--u)); animation: riseIn .8s var(--e-out) .22s backwards; }
.tools { display: flex; align-items: center; gap: calc(16*var(--u)); }
.tool {
  position: relative;
  width: calc(52*var(--u)); height: calc(52*var(--u)); border-radius: 50%;
  display: grid; place-items: center; font-size: calc(21*var(--u));
  background: rgba(255,255,255,.15);
  -webkit-backdrop-filter: blur(calc(16*var(--u))) saturate(115%);
  backdrop-filter: blur(calc(16*var(--u))) saturate(115%);
  transition: background .25s var(--e-soft), transform .35s var(--e-out);
  animation: popIn .58s var(--e-out) backwards;
}
button.tool:hover { background: rgba(255,255,255,.24); }
button.tool:active { transform: scale(.94); transition-duration: .1s; }
.tools > :nth-child(1) { animation-delay: .30s; }
.tools > :nth-child(2) { animation-delay: .365s; }
.tools > :nth-child(3) { animation-delay: .43s; }
.tools > :nth-child(4) { animation-delay: .495s; }
.avatar { overflow: hidden; font-size: calc(52*var(--u)); background: #5e7f86; }
.avatar img, .avatar .ic { position: absolute; inset: 0; width: 100%; height: 100%; }
.avatar img { object-fit: cover; border-radius: 50%; }
.avatar::before { z-index: 1; }

/* ───────────── Hero ───────────── */
.hero { position: absolute; left: calc(126*var(--u)); top: calc(136*var(--u)); max-width: calc(560*var(--u)); }
.nowrow { display: flex; align-items: center; gap: calc(14*var(--u)); }
.play {
  font-size: calc(20*var(--u));
  background: rgba(255,255,255,.22);
  animation-delay: .40s;
}
.play:hover { background: rgba(255,255,255,.30); }
/* Breathing ring: it is playing */
.play::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; pointer-events: none;
  box-shadow: 0 0 0 0 rgba(255,255,255,.32);
  animation: breathe 2.8s var(--e-soft) 3s infinite;
}
.chip {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: calc(9*var(--u));
  height: calc(36*var(--u)); padding: 0 calc(15*var(--u));
  border-radius: calc(18*var(--u));
  font-size: calc(14*var(--u)); font-weight: 500; letter-spacing: calc(-.1*var(--u));
  background: rgba(255,255,255,.175);
  -webkit-backdrop-filter: blur(calc(16*var(--u))) saturate(115%);
  backdrop-filter: blur(calc(16*var(--u))) saturate(115%);
  animation: wipeRight .8s var(--e-out) .44s backwards;
}
.chip .sep { width: calc(3*var(--u)); height: calc(3*var(--u)); border-radius: 50%; background: rgba(255,255,255,.6); }
.chip .dim { color: rgba(var(--ink-rgb),.78); }
.eq { display: inline-flex; align-items: flex-end; gap: calc(2.2*var(--u)); height: calc(12*var(--u)); }
.eq i {
  width: calc(2.4*var(--u)); height: 100%; border-radius: calc(2*var(--u)); background: rgb(var(--ink-rgb));
  transform-origin: bottom; transform: scaleY(.45);
  animation: eq 1.1s var(--e-soft) 1.4s infinite alternate;
}
.eq i:nth-child(2) { animation-duration: .8s; animation-delay: 1.55s; }
.eq i:nth-child(3) { animation-duration: 1.35s; animation-delay: 1.5s; }
h1, .np-title {
  margin: calc(14*var(--u)) 0 0;
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-weight: 500; font-size: calc(63*var(--u)); line-height: calc(78*var(--u));
  letter-spacing: calc(.25*var(--u));
  text-shadow:
    0 calc(2*var(--u)) calc(28*var(--u)) rgba(4,16,24,.22),
    0 0 calc(40*var(--u)) rgba(200,240,250, calc(var(--flash, 0) * .55));
}
.ln { display: block; overflow: hidden; }
.ln > span { display: block; animation: lineUp 1.05s var(--e-out) .56s backwards; }
.ln + .ln > span { animation-delay: .67s; }
.blurb {
  width: calc(480*var(--u)); margin: calc(14*var(--u)) 0 0;
  font-size: calc(15.2*var(--u)); line-height: calc(24*var(--u)); font-weight: 500;
  letter-spacing: calc(-.3*var(--u)); color: rgba(var(--ink-rgb),.95);
  text-shadow: 0 1px calc(14*var(--u)) rgba(4,16,24,.3);
  animation: wipeDown .9s var(--e-soft) .9s backwards;
}

/* ───────────── Layers + intensity chart ───────────── */
.forecast { position: absolute; left: calc(126*var(--u)); right: calc(396*var(--u)); bottom: calc(99*var(--u)); }
.layers { display: flex; justify-content: space-between; margin: 0; padding: 0; list-style: none; }
.layer { display: flex; flex-direction: column; animation: riseIn .7s var(--e-out) backwards; }
.layer .v { display: flex; align-items: center; gap: calc(10*var(--u)); }
.layer b {
  font-size: calc(37*var(--u)); font-weight: 400; line-height: 1;
  letter-spacing: calc(-.7*var(--u)); font-variant-numeric: tabular-nums;
}
.layer b small { font-size: .5em; font-weight: 500; letter-spacing: 0; vertical-align: top; margin-left: calc(1*var(--u)); opacity: .8; }
.layer .ic { font-size: calc(28*var(--u)); stroke-width: 1.5; }
.layer > span { margin-top: calc(9*var(--u)); font-size: calc(13*var(--u)); font-weight: 500; color: rgba(var(--ink-rgb),.74); }
.lv {
  display: block; margin-top: calc(8*var(--u));
  width: calc(84*var(--u)); height: calc(2.5*var(--u));
  border-radius: calc(2*var(--u)); background: rgba(var(--ink-rgb),.2);
}
.lv i {
  display: block; height: 100%; width: var(--l); border-radius: inherit;
  background: linear-gradient(90deg, rgba(var(--ink-rgb),.6), var(--accent-ink));
  box-shadow: 0 0 calc(8*var(--u)) rgba(255,255,255,.4);
  animation: growW 1s var(--e-out) backwards;
}
.layer:nth-child(1) { animation-delay: 1.26s; } .layer:nth-child(1) .lv i { animation-delay: 1.56s; }
.layer:nth-child(2) { animation-delay: 1.33s; } .layer:nth-child(2) .lv i { animation-delay: 1.63s; }
.layer:nth-child(3) { animation-delay: 1.40s; } .layer:nth-child(3) .lv i { animation-delay: 1.70s; }
.layer:nth-child(4) { animation-delay: 1.47s; } .layer:nth-child(4) .lv i { animation-delay: 1.77s; }
.layer:nth-child(5) { animation-delay: 1.54s; } .layer:nth-child(5) .lv i { animation-delay: 1.84s; }
.layer:nth-child(6) { animation-delay: 1.61s; } .layer:nth-child(6) .lv i { animation-delay: 1.91s; }

.chart { position: relative; height: calc(230*var(--u)); margin-top: calc(12*var(--u)); }
/* Large: the session chart sits a little lower and shorter, so the bigger hero text keeps its space */
html[data-size="large"] .forecast { bottom: calc(62*var(--u)); }
html[data-size="large"] .chart { height: calc(205*var(--u)); }
.wave { display: block; width: 100%; height: 100%; overflow: visible; }
.wline { fill: none; stroke: url(#wg); stroke-linecap: round; stroke-dasharray: 1; animation: drawLine 1.6s var(--e-pen) 1.5s backwards; }
#wclipr { transform-box: fill-box; transform-origin: left center; animation: wipeX 1.42s var(--e-pen) 1.72s backwards; }
.playhead {
  position: absolute; left: 41.66%; top: 17.39%; bottom: 0; width: 0;
  animation: riseIn .7s var(--e-out) 3.05s backwards; --ry: 8px;
}
.playhead::before {
  content: ""; position: absolute; left: calc(-.5*var(--u)); top: 0; bottom: 0; width: calc(1*var(--u));
  background: linear-gradient(180deg, rgba(var(--ink-rgb),.7), rgba(var(--ink-rgb),0));
}
.playhead::after {
  content: ""; position: absolute; left: calc(-7*var(--u)); top: calc(-7*var(--u));
  width: calc(14*var(--u)); height: calc(14*var(--u)); border-radius: 50%;
  background: rgb(var(--ink-rgb)); box-shadow: 0 0 0 calc(5*var(--u)) rgba(255,255,255,.18), 0 0 calc(16*var(--u)) rgba(255,255,255,.6), 0 0 calc(34*var(--u)) rgba(180,235,245,.45);
}
.playhead b {
  position: absolute; left: 0; bottom: calc(100% + 13*var(--u)); transform: translateX(-50%);
  padding: calc(4*var(--u)) calc(9*var(--u)); border-radius: calc(11*var(--u));
  background: rgba(255,255,255,.16);
  -webkit-backdrop-filter: blur(calc(12*var(--u)));
  backdrop-filter: blur(calc(12*var(--u)));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18);
  font-size: calc(12*var(--u)); font-weight: 600; line-height: calc(14*var(--u)); letter-spacing: calc(.2*var(--u));
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.playhead b span { font-weight: 500; color: rgba(var(--ink-rgb),.65); }
.phases { display: grid; grid-template-columns: repeat(6, 1fr); margin: calc(-31*var(--u)) 0 0; padding: 0; list-style: none; position: relative; }
.phases li {
  text-align: center; font-size: calc(18*var(--u)); font-weight: 500; color: rgba(var(--ink-rgb),.8);
  animation: riseIn .6s var(--e-out) backwards;
}
.phases li.on { color: rgb(var(--ink-rgb)); font-weight: 600; }
.phases li:nth-child(1) { animation-delay: 2.10s; }
.phases li:nth-child(2) { animation-delay: 2.155s; }
.phases li:nth-child(3) { animation-delay: 2.21s; }
.phases li:nth-child(4) { animation-delay: 2.265s; }
.phases li:nth-child(5) { animation-delay: 2.32s; }
.phases li:nth-child(6) { animation-delay: 2.375s; }

/* ───────────── Right rail ───────────── */
.rail {
  position: absolute;
  right: calc(38*var(--u)); top: calc(134*var(--u)); bottom: calc(95*var(--u));
  width: calc(310*var(--u));
  display: flex; flex-direction: column; gap: calc(20*var(--u));
}
.card {
  position: relative; overflow: hidden;
  border-radius: calc(24*var(--u));
  background: linear-gradient(180deg,
    rgba(255,255,255,.20) 0%,
    rgba(255,255,255,.258) 24%,
    rgba(255,255,255,.252) 78%,
    rgba(255,255,255,.232) 100%);
  -webkit-backdrop-filter: blur(calc(26*var(--u))) saturate(118%);
  backdrop-filter: blur(calc(26*var(--u))) saturate(118%);
  animation: slideR .95s var(--e-out) backwards;
}
.card:nth-child(1) { animation-delay: .80s; }
.card:nth-child(2) { animation-delay: .92s; }
.card:nth-child(3) { animation-delay: 1.03s; }
.card:nth-child(4) { animation-delay: 1.14s; }
.card::after, .chip::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 38%; pointer-events: none;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,.17) 50%, transparent 100%);
  transform: translate3d(-150%,0,0) skewX(-18deg);
  animation: sheen 1.15s var(--e-soft) 2.55s 1 both;
}

.card.big {
  flex: 1; border-radius: calc(26*var(--u));
  padding: calc(24*var(--u)) calc(24*var(--u)) calc(24*var(--u));
  display: flex; flex-direction: column; justify-content: space-between;
}
.place { display: flex; align-items: center; justify-content: space-between; gap: calc(6*var(--u)); white-space: nowrap; animation: riseIn .7s var(--e-out) 1.04s backwards; }
.place strong { display: flex; align-items: center; gap: calc(7*var(--u)); font-size: calc(16.5*var(--u)); font-weight: 600; letter-spacing: calc(-.2*var(--u)); }
.place strong .ic { font-size: calc(19*var(--u)); }
.place > span {
  display: flex; align-items: center; gap: calc(6*var(--u));
  height: calc(24*var(--u)); padding: 0 calc(9*var(--u)); border-radius: calc(12*var(--u));
  background: rgba(255,255,255,.14);
  font-size: calc(12.5*var(--u)); font-weight: 500; color: rgba(var(--ink-rgb),.9);
}
.place > span .ic { font-size: calc(14*var(--u)); }
.big-temp {
  margin-top: calc(4*var(--u));
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-size: calc(92*var(--u)); font-weight: 500; line-height: 1;
  letter-spacing: calc(-4.4*var(--u)); font-variant-numeric: tabular-nums;
  text-shadow: 0 0 calc(26*var(--u)) rgba(255,255,255, calc(.14 + var(--flash, 0) * .4));
  animation: riseIn .8s var(--e-out) 1.14s backwards;
}
.big-temp i { font-style: normal; margin: 0 calc(2*var(--u)); animation: tick 2s steps(1) 3.2s infinite; }
.prog {
  position: relative; height: calc(4*var(--u));
  border-radius: calc(2*var(--u)); background: rgba(var(--ink-rgb),.2);
  animation: riseIn .7s var(--e-out) 1.2s backwards;
}
.prog i {
  position: absolute; left: 0; top: 0; bottom: 0; width: 41.67%; border-radius: inherit;
  background: linear-gradient(90deg, rgba(var(--ink-rgb),.5), var(--accent-ink));
  box-shadow: 0 0 calc(10*var(--u)) rgba(255,255,255,.35);
  animation: growW 1.3s var(--e-pen) 1.6s backwards;
}
.prog i::after {
  content: ""; position: absolute; right: calc(-5*var(--u)); top: 50%;
  width: calc(10*var(--u)); height: calc(10*var(--u)); margin-top: calc(-5*var(--u)); border-radius: 50%;
  background: rgb(var(--ink-rgb)); box-shadow: 0 0 calc(10*var(--u)) rgba(255,255,255,.7);
}
.metrics {
  display: flex; justify-content: space-between; margin-top: calc(14*var(--u));
  padding-top: calc(12*var(--u)); border-top: 1px solid rgba(var(--ink-rgb),.16);
  animation: riseIn .7s var(--e-out) 1.24s backwards;
}
.metrics span { display: flex; align-items: center; gap: calc(7*var(--u)); font-size: calc(14.5*var(--u)); font-weight: 500; font-variant-numeric: tabular-nums; }
.metrics .ic { font-size: calc(17*var(--u)); opacity: .9; }

.card.row {
  height: calc(120*var(--u)); flex: none;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 calc(24*var(--u)) 0 calc(26*var(--u));
  cursor: pointer;
  transition: transform .45s var(--e-out), background-color .3s var(--e-soft);
}
.card.row:hover { background-color: rgba(255,255,255,.07); }
.card.row:active { transform: scale(.985); transition-duration: .12s; }
.row .meta { animation: riseIn .7s var(--e-out) backwards; }
.row .meta small { display: block; font-size: calc(13*var(--u)); font-weight: 500; color: rgba(var(--ink-rgb),.78); }
.row .meta strong { display: block; margin-top: calc(7*var(--u)); font-size: calc(19*var(--u)); font-weight: 600; letter-spacing: calc(-.3*var(--u)); }
.row .meta span { display: block; margin-top: calc(6*var(--u)); font-size: calc(14*var(--u)); font-weight: 500; color: rgba(var(--ink-rgb),.88); }
.row .len { display: flex; align-items: center; gap: calc(12*var(--u)); animation: riseIn .7s var(--e-out) backwards; }
.row .len b { font-size: calc(37*var(--u)); font-weight: 400; letter-spacing: calc(-.7*var(--u)); line-height: 1; font-variant-numeric: tabular-nums; }
.row .len b small { font-size: .38em; font-weight: 500; letter-spacing: 0; margin-left: calc(3*var(--u)); opacity: .8; }
.ico { position: relative; width: calc(32*var(--u)); height: calc(32*var(--u)); flex: none; }
.ico .ic { position: absolute; inset: 0; width: 100%; height: 100%; stroke-width: 1.5; transition: opacity .25s var(--e-soft), transform .4s var(--e-out); }
.ico .go { padding: calc(8*var(--u)) calc(7*var(--u)) calc(8*var(--u)) calc(9*var(--u)); border-radius: 50%; background: rgba(255,255,255,.24); opacity: 0; transform: scale(.6); }
.card.row:hover .ico .t, .card.row:focus-visible .ico .t { opacity: 0; transform: scale(.6); }
.card.row:hover .ico .go, .card.row:focus-visible .ico .go { opacity: 1; transform: none; }
.card:nth-child(2) .meta { animation-delay: 1.16s; }
.card:nth-child(2) .len  { animation-delay: 1.22s; }
.card:nth-child(3) .meta { animation-delay: 1.24s; }
.card:nth-child(3) .len  { animation-delay: 1.30s; }
.card:nth-child(4) .meta { animation-delay: 1.30s; }
.card:nth-child(4) .len  { animation-delay: 1.36s; }

/* ───────────── Keyframes ───────────── */
@keyframes riseIn { from { opacity: 0; transform: translate3d(0, var(--ry, 14px), 0); } to { opacity: 1; transform: none; } }
@keyframes slideL { from { opacity: 0; transform: translate3d(-26px,0,0); } to { opacity: 1; transform: none; } }
@keyframes slideR { from { opacity: 0; transform: translate3d(30px,0,0) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes popIn { from { opacity: 0; transform: scale(.7); } to { opacity: 1; transform: none; } }
@keyframes growY { from { transform: scaleY(0); } to { transform: none; } }
@keyframes growW { from { width: 0; } }
@keyframes lineUp { from { transform: translate3d(0,115%,0); } to { transform: none; } }
@keyframes wipeDown { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes wipeRight { from { clip-path: inset(0 100% 0 0 round calc(18*var(--u))); } to { clip-path: inset(0 0 0 0 round calc(18*var(--u))); } }
@keyframes drawLine { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes wipeX { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes sheen { from { transform: translate3d(-150%,0,0) skewX(-18deg); } to { transform: translate3d(260%,0,0) skewX(-18deg); } }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes fallNear { from { transform: translate3d(0,0,0); } to { transform: translate3d(0,320px,0); } }
@keyframes fallMid { from { transform: translate3d(0,0,0); } to { transform: translate3d(0,260px,0); } }
@keyframes fallFar { from { transform: translate3d(0,0,0); } to { transform: translate3d(0,220px,0); } }
@keyframes drift { from { transform: translate3d(-4%,0,0); } to { transform: translate3d(4%,0,0); } }
@keyframes waveDrift { from { transform: translateX(0); } to { transform: translateX(-10px); } }
@keyframes eq { from { transform: scaleY(.3); } to { transform: scaleY(1); } }
@keyframes tick { 0% { opacity: 1; } 50% { opacity: .35; } }
@keyframes breathe {
  0%   { box-shadow: 0 0 0 0 rgba(255,255,255,.32); }
  70%, 100% { box-shadow: 0 0 0 calc(12*var(--u)) rgba(255,255,255,0); }
}
@keyframes flash {
  0%, 82%, 100% { opacity: 0; }
  82.6% { opacity: .85; }
  83.2% { opacity: .12; }
  84%   { opacity: .6; }
  86%   { opacity: 0; }
}
/* the opening reveal is one smooth fade: no bright flicker (photosensitive safety) */
@keyframes curtainOut {
  0%   { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}
@keyframes curtainCut {
  0% { opacity: 1; } 6% { opacity: .2; }
  100% { opacity: 0; visibility: hidden; }
}
@keyframes flashFar {
  0%, 60%, 100% { opacity: 0; }
  60.5% { opacity: .7; }
  61.4% { opacity: 0; }
}

/* ───────────── Mobile: single scrolling column ───────────── */
@media (max-width: 860px) {
  :root { --u: calc(min(100vw / 430, 1.22px) * var(--ui)); }
  html, body { overflow: auto; height: auto; }
  .stage {
    position: relative; inset: auto; min-height: 100dvh; overflow: visible;
    display: flex; flex-direction: column; gap: calc(26*var(--u));
    padding: calc(22*var(--u)) max(calc(20*var(--u)), (100vw - 600px) / 2) calc(110*var(--u));
    background-attachment: fixed; background-position: 52% 20%;
  }
  .stage::before, .stage::after, .photo, .flash, .rain, .grain, .scene-gl, .glass-gl { position: fixed; }
  .header, .hero, .forecast, .rail { position: relative; inset: auto; }
  .header { order: 1; height: auto; }
  .hero { order: 2; max-width: none; margin-top: calc(8*var(--u)); }
  h1, .np-title { font-size: calc(46*var(--u)); line-height: calc(56*var(--u)); }
  .blurb { width: auto; }
  .blurb br { display: none; }
  .tools { gap: calc(10*var(--u)); }
  .tools .tool { width: calc(44*var(--u)); height: calc(44*var(--u)); font-size: calc(19*var(--u)); }
  .tools .avatar { font-size: calc(44*var(--u)); }
  .rail { display: contents; }
  .card.big { order: 3; flex: none; }
  .forecast { order: 4; }
  .card.row { order: 5; height: calc(104*var(--u)); }
  /* .rail is display: contents here, so the cards need their own layer above the atmosphere */
  .card { z-index: 4; animation-name: riseIn; }

  .layers { display: grid; grid-template-columns: repeat(3, 1fr); row-gap: calc(20*var(--u)); }
  .layer b { font-size: calc(30*var(--u)); }
  .layer .ic { font-size: calc(24*var(--u)); }
  .lv { width: 80%; }
  .chart { height: calc(170*var(--u)); margin-top: calc(22*var(--u)); }
  .phases { margin-top: calc(-22*var(--u)); }
  .phases li { font-size: calc(11*var(--u)); letter-spacing: calc(-.2*var(--u)); white-space: nowrap; }

  .sidebar {
    position: fixed; z-index: 10;
    left: max(calc(12*var(--u)), (100vw - 600px) / 2); right: max(calc(12*var(--u)), (100vw - 600px) / 2);
    top: auto; bottom: calc(10*var(--u) + env(safe-area-inset-bottom));
    width: auto; height: calc(64*var(--u));
    flex-direction: row; justify-content: space-around;
    padding: 0 calc(14*var(--u));
    border-radius: calc(32*var(--u));
    background: rgba(20,48,54,.42);
    animation-name: riseIn;
  }
  .pip, .logo { display: none; }
  .nav { flex-direction: row; gap: 0; margin: 0; flex: 1; justify-content: space-around; }
  .nav a, .logout { width: calc(44*var(--u)); height: calc(44*var(--u)); }
  .nav a[aria-current="page"]::before {
    content: ""; position: absolute; left: 50%; bottom: calc(1*var(--u));
    width: calc(4*var(--u)); height: calc(4*var(--u)); margin-left: calc(-2*var(--u));
    border-radius: 50%; background: #fff; box-shadow: 0 0 calc(6*var(--u)) rgba(255,255,255,.8);
  }
  .logout { margin: 0 0 0 calc(6*var(--u)); }
}
@media (max-width: 420px) {
  :root { --u: calc(100vw / 430 * var(--ui)); }
}

/* ───────────── Reduced motion ───────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .card::after, .chip::after { display: none; }
  .rain, .flash, .scene-gl, .glass-gl, .curtain { display: none; }
}