@charset "UTF-8";

:root {
  --paper: #f5f8fc;
  --ink: #1b2e3e;
  --muted: #596772;
  --line: #d9dfdf;
  --sky: #e8eff3;
  --lime: #dfff8b;
  --white: #ffffff;
  --radius: 24px;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

* { box-sizing: border-box; }
/* Safari can fill its native browser areas with the document's solid color.
   Match that color at both page edges, then reveal the clouds toward the middle.
   This blends the boundary without claiming control over native browser UI. */
html {
  --browser-edge: #edf3f8;
  --cloud-scene: url("/assets/optimized/cooldown-cloud-background.webp");
  min-height: 100%;
  scroll-behavior: smooth;
  background-color: var(--browser-edge);
  background-image: linear-gradient(to bottom, var(--browser-edge) 0, rgba(237,243,248,.96) 24px, rgba(237,243,248,.55) 88px, rgba(237,243,248,0) 200px), linear-gradient(to top, var(--browser-edge) 0, rgba(237,243,248,.96) 24px, rgba(237,243,248,.55) 88px, rgba(237,243,248,0) 200px), var(--cloud-scene);
  background-position: center top, center bottom, center top;
  background-size: 100% 200px, 100% 200px, cover;
  background-repeat: no-repeat;
}
body { position: relative; margin: 0; min-height: 100vh; min-height: 100svh; min-height: 100dvh; color: var(--ink); background: transparent; font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; }
::selection { color: var(--ink); background: var(--lime); }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { display: block; width: 24px; height: 24px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 3px solid #3267bb; outline-offset: 5px; }
.page-shell { --page-gutter: 48px; max-width: 1336px; padding: env(safe-area-inset-top, 0px) max(var(--page-gutter), env(safe-area-inset-right, 0px)) env(safe-area-inset-bottom, 0px) max(var(--page-gutter), env(safe-area-inset-left, 0px)); margin: 0 auto; }
.masthead { min-height: 118px; padding-block: 8px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: block; flex: 0 1 340px; width: 340px; min-width: 0; text-decoration: none; line-height: 0; }
.brand-wordmark { display: block; width: 100%; height: 98px; object-fit: contain; object-position: left center; }
.masthead-note { font-size: 12px; letter-spacing: 1.5px; line-height: 1.5; font-weight: 600; padding: 9px 12px; background: rgba(247,251,255,.78); border-radius: 30px; }
.social-top { position: relative; isolation: isolate; flex-shrink: 0; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: transparent; text-decoration: none; transition: transform .18s, filter .18s; }
.social-chrome { position: absolute; inset: 0; z-index: 0; display: block; width: 100%; height: 100%; object-fit: contain; pointer-events: none; filter: drop-shadow(0 3px 3px rgba(20,46,76,.24)); }
.social-top .icon, .footer-social-icon .icon { position: relative; z-index: 1; width: 22px; height: 22px; color: #172c3b; stroke-width: 1.85; filter: drop-shadow(0 1px 0 rgba(255,255,255,.7)); }
.main-layout { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: clamp(36px, 5vw, 76px); align-items: start; }
.brand-world { position: sticky; top: calc(24px + env(safe-area-inset-top, 0px)); display: flex; flex-direction: column; min-width: 0; margin: 0; padding: 8px 0 20px; background: transparent; }
.sky-art { display: block; width: 100%; height: auto; aspect-ratio: 1; padding: 3.5%; object-fit: contain; }
.art-label { order: -1; align-self: flex-start; display: inline-flex; gap: 7px; align-items: center; margin: 0 0 6px 20px; padding: 9px 11px; border: 1px solid rgba(255,255,255,.8); border-radius: 30px; background: rgba(244,250,255,.72); font-size: 12px; letter-spacing: 1px; font-weight: 600; }
.small-pause, .footer-pause { display: inline-block; width: 10px; height: 11px; border-inline: 3px solid currentColor; }
.brand-world figcaption { padding: 10px 24px 0; text-shadow: 0 1px 14px rgba(255,255,255,.85); }
.art-kicker { font-size: 12px; letter-spacing: 1.4px; font-weight: 600; }
.brand-world figcaption p { margin: 15px 0 0; font-size: clamp(31px, 3.15vw, 44px); line-height: 1.09; letter-spacing: -1.6px; }
.brand-world figcaption em { font-family: var(--serif); font-weight: 400; }
.art-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 28px; padding: 0 24px; text-shadow: 0 1px 8px rgba(255,255,255,.9); }
.art-bottom span { font-size: 12px; line-height: 1.4; letter-spacing: .6px; font-weight: 600; }
.art-bottom .small-pause { flex-shrink: 0; }
.link-side {
  --ink: #182e40;
  --muted: #33495b;
  position: relative;
  isolation: isolate;
  padding: 30px 20px 4px;
  min-width: 0;
  color: var(--ink);
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 34px;
  background: #edf4fb;
  box-shadow: 0 22px 60px -20px rgba(18,49,83,.32), 0 3px 10px rgba(32,64,93,.07), inset 0 1px 1px rgba(255,255,255,.95), inset 0 -1px 1px rgba(255,255,255,.56);
}
.link-side::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; border: 1px solid rgba(255,255,255,.2); box-shadow: inset 1px 0 1px rgba(255,255,255,.45), inset -1px 0 1px rgba(255,255,255,.25); }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 19px; font-size: 12px; letter-spacing: 1.35px; line-height: 1.5; font-weight: 600; }
.eyebrow span { width: 6px; height: 6px; flex-shrink: 0; border-radius: 50%; background: #65826f; }
h1 { margin: 0; font-size: clamp(50px, 5.5vw, 76px); line-height: .99; font-weight: 500; letter-spacing: -4px; }
h1 em { font-family: var(--serif); font-weight: 400; letter-spacing: -3.4px; }
.headline-period { display: none; }
.intro-copy { color: var(--muted); margin: 23px 0 0; font-size: 16px; line-height: 1.6; letter-spacing: -.14px; }
.link-stack { display: grid; gap: 14px; margin-top: 28px; scroll-margin-top: calc(24px + env(safe-area-inset-top, 0px)); }
.link-stack:focus { outline: none; }
.download-card, .link-card { border-radius: var(--radius); min-width: 0; background-clip: padding-box; }
.download-card { display: flex; align-items: center; gap: 15px; min-height: 132px; padding: 6px 20px 6px 8px; color: var(--ink); border: 1px solid rgba(249,255,230,.95); background: var(--lime); box-shadow: inset 0 2px 2px rgba(255,255,255,.75), inset 0 -1px 1px rgba(108,136,57,.13), 0 5px 14px -7px rgba(57,91,44,.22); }
.link-card { border: 1px solid rgba(255,255,255,.76); background: #f7fbff; box-shadow: inset 0 1px 1px rgba(255,255,255,.92), inset 0 -1px 1px rgba(173,196,213,.2), 0 4px 14px -7px rgba(20,56,87,.16); }
a.link-card { display: flex; align-items: center; min-height: 132px; padding: 6px 20px 6px 8px; gap: 15px; text-decoration: none; transition: transform .2s, border-color .2s, background .2s, box-shadow .2s; }
a.link-card:hover { transform: translateY(-2px); border-color: var(--white); box-shadow: inset 0 1px 2px var(--white), 0 8px 20px -9px rgba(20,56,87,.28); }
a.link-card:active { transform: translateY(0); }
.link-character { display: flex; align-items: center; justify-content: center; flex: 0 0 110px; width: 110px; height: 120px; pointer-events: none; }
.link-character img { display: block; width: 100%; height: 100%; padding: 4px 3px; object-fit: contain; }
.character-phone { transform: rotate(-4deg); }
.character-feed { transform: rotate(2deg); }
.character-curious { transform: rotate(-3deg); }
.character-choice { transform: rotate(2deg); }
.link-copy { min-width: 0; display: block; flex: 1; }
.link-title { display: block; font-size: 17px; font-weight: 600; line-height: 1.4; letter-spacing: -.25px; overflow-wrap: break-word; }
.link-subtitle { display: block; margin-top: 4px; font-size: 14px; color: var(--muted); line-height: 1.4; }
.download-card .link-subtitle { color: #425631; }
.platform-label { font-size: 12px; padding: 6px 7px; border: 1px solid rgba(117,145,68,.35); border-radius: 9px; background: rgba(255,255,255,.24); }
.action-icon { width: 20px; height: 20px; margin-left: 2px; }
.disclosure { overflow: hidden; transition: border-color .2s, background .2s; }
.disclosure summary { display: flex; align-items: center; gap: 15px; min-height: 132px; padding: 6px 20px 6px 8px; list-style: none; cursor: pointer; }
.disclosure summary::-webkit-details-marker { display: none; }
.disclosure summary::marker { content: ""; }
.disclosure summary:hover { background: rgba(255,255,255,.2); }
.disclosure summary:focus-visible { outline-offset: -5px; border-radius: var(--radius); }
.disclosure .plus { transition: transform .2s; }
.disclosure[open] .plus { transform: rotate(45deg); }
.disclosure[open] { border-color: rgba(255,255,255,.95); background: #f7fbff; }
.disclosure-content { padding: 0 23px 24px; }
.disclosure-content > p { border-top: 1px solid var(--line); padding-top: 19px; margin: 0; font-size: 16px; line-height: 1.65; color: var(--muted); }
.steps { list-style: none; margin: 0; padding: 19px 0 0; border-top: 1px solid var(--line); display: grid; gap: 20px; }
.steps li { display: flex; align-items: flex-start; gap: 14px; }
.step-number { flex: 0 0 30px; font-size: 12px; font-weight: 600; line-height: 26px; color: #435b6e; }
.steps h2 { font-size: 16px; font-weight: 600; line-height: 1.5; margin: 0 0 4px; }
.steps p { font-size: 16px; line-height: 1.5; margin: 0; color: var(--muted); }
.philosophy { background: #e8f1f9; }
.page-footer { display: flex; align-items: center; gap: 10px; justify-content: center; padding: 27px 0 22px; color: var(--muted); }
.footer-pause { width: 8px; height: 10px; border-width: 2px; }
.page-footer p { margin: 0; font-size: 14px; letter-spacing: -.05px; }
.page-footer em { font-family: var(--serif); }
.bottom-line { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 22px; margin: 27px 0; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: rgba(246,250,254,.82); font-size: 12px; line-height: 1.5; letter-spacing: 1.1px; }
.bottom-line > span:first-child { font-weight: 700; letter-spacing: .1px; }
.bottom-line a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 12px; text-decoration: none; letter-spacing: 0; padding: 6px 0; }
.bottom-line a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-social-icon { position: relative; isolation: isolate; display: grid; place-items: center; flex: 0 0 32px; width: 32px; height: 32px; border-radius: 50%; }
.footer-social-icon .icon { width: 16px; height: 16px; }

/* The solid surfaces above remain a legible fallback without backdrop support. */
@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .link-side {
    background: linear-gradient(140deg, rgba(255,255,255,.34), rgba(255,255,255,.14) 44%, rgba(243,249,255,.24)), rgba(235,245,255,.38);
    -webkit-backdrop-filter: blur(26px) saturate(135%) brightness(1.04);
    backdrop-filter: blur(26px) saturate(135%) brightness(1.04);
  }
  .link-card { background: linear-gradient(130deg, rgba(255,255,255,.42), rgba(255,255,255,.17)); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
  a.link-card:hover { background: linear-gradient(130deg, rgba(255,255,255,.57), rgba(255,255,255,.28)); }
  .download-card { background: linear-gradient(130deg, rgba(242,255,197,.78), rgba(215,255,116,.69)), rgba(215,255,116,.45); -webkit-backdrop-filter: blur(12px) saturate(125%); backdrop-filter: blur(12px) saturate(125%); }
  .philosophy { background: linear-gradient(130deg, rgba(223,239,252,.42), rgba(217,234,250,.2)); }
  .disclosure[open] { background: rgba(249,252,255,.64); }
  .art-label { background: rgba(244,250,255,.5); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
}

@media (min-width: 801px) and (prefers-reduced-motion: no-preference) {
  .brand-world { animation: appear .6s ease-out both; }
  .link-side { animation: appear .6s .1s ease-out both; }
  @keyframes appear { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .social-top:hover { transform: translateY(-2px); filter: brightness(1.06); }
  .social-top:active { transform: translateY(0); }
  .link-character { transition: transform .25s ease-out; }
  a.link-card:hover .link-character,
  .disclosure summary:hover .link-character { transform: translateY(-3px) rotate(0deg); }
}

@media (max-width: 1080px) and (min-width: 801px) {
  .page-shell { --page-gutter: 28px; }
  .main-layout { gap: 32px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
  .brand-world figcaption { padding-inline: 16px; }
  .art-bottom { padding-inline: 16px; }
  h1 { font-size: 60px; }
  .desktop-break { display: none; }
  .link-title { font-size: 16px; }
  .link-side { padding: 24px 14px 4px; }
  .link-card summary, a.link-card, .download-card { padding: 8px 14px 8px 5px; gap: 10px; }
  .link-character { flex-basis: 96px; width: 96px; height: 112px; }
  .platform-label { display: none; }
}

@media (max-width: 800px) {
  /* A portrait sky keeps the clouds in frame on a tall mobile document;
     covering this area with the landscape image cropped them away. */
  html { --cloud-scene: url("/assets/optimized/cooldown-mobile-cloud-background.webp"); }
  .page-shell { --page-gutter: 20px; max-width: 580px; }
  .masthead { min-height: 96px; gap: 16px; padding-block: 8px; }
  .brand { flex-basis: 270px; width: 270px; max-width: calc(100% - 56px); }
  .brand-wordmark { height: 78px; }
  .masthead-note { display: none; }
  .main-layout { display: flex; flex-direction: column; gap: 0; }
  .brand-world { width: 100%; position: relative; top: auto; padding: 0; }
  .brand-world figcaption, .art-bottom, .art-label { display: none; }
  .link-side { padding: 25px 12px 12px; margin-top: 20px; width: 100%; border-radius: 30px; }
  .intro { text-align: center; }
  .eyebrow { justify-content: center; font-size: 12px; letter-spacing: .8px; margin-bottom: 13px; }
  h1 { font-size: clamp(46px, 11vw, 62px); line-height: .99; letter-spacing: -2.8px; }
  h1 em { letter-spacing: -2.1px; }
  h1 br { display: none; }
  h1 em::before { content: " "; }
  .intro-copy { max-width: 360px; margin: 14px auto 0; font-size: 16px; line-height: 1.55; }
  .desktop-break { display: none; }
  .link-stack { margin-top: 22px; gap: 12px; }
  .download-card, a.link-card, .disclosure summary { min-height: 120px; padding: 6px 15px 6px 4px; gap: 12px; }
  .link-character { flex-basis: 102px; width: 102px; height: 108px; }
  .platform-label { display: none; }
  .page-footer { padding: 25px 0 8px; }
  .bottom-line { padding: 18px 16px; margin: 22px 0; }
  .bottom-line > span:nth-child(2) { display: none; }
}

@media (max-width: 380px) {
  .page-shell { --page-gutter: 15px; }
  .link-side { padding-inline: 8px; }
  .link-title { font-size: 16px; }
  .link-character { width: 86px; height: 102px; flex-basis: 86px; }
  .download-card, a.link-card, .disclosure summary { min-height: 118px; padding: 8px 12px 8px 2px; gap: 10px; }
}

@media (prefers-reduced-transparency: reduce) {
  .link-side, .masthead-note, .bottom-line, .social-top { background: #f5f9fd; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .link-card, .link-card:hover, .disclosure[open], .art-label { background: #f7fbff; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .download-card { background: var(--lime); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .link-side::before { display: none; }
}

@media (prefers-contrast: more) {
  .link-side, .art-label { background: #f5f9fd; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .link-card, .link-card:hover, .disclosure[open] { background: #fff; border-color: #60778a; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .download-card { background: var(--lime); border-color: #607d37; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .link-side::before { display: none; }
  .social-top, .footer-social-icon { background: #f5f9fd; border: 1px solid #60778a; }
  .social-chrome { visibility: hidden; }
  .social-top .icon, .footer-social-icon .icon { filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}