/* playatlo.com: the forest design system (docs/decisions/0028) for grown-ups
   on the web. Day palette by default, Dusk when the device is dark. */

@font-face { font-family: Nunito; font-weight: 600; font-display: swap; src: url(/fonts/Nunito-SemiBold.ttf) format("truetype"); }
@font-face { font-family: Nunito; font-weight: 800; font-display: swap; src: url(/fonts/Nunito-ExtraBold.ttf) format("truetype"); }
@font-face { font-family: Nunito; font-weight: 900; font-display: swap; src: url(/fonts/Nunito-Black.ttf) format("truetype"); }

:root {
  --background: #F3F8EA; --surface: #FFFFFF; --primary: #2F7A4F; --primary-lip: #1F5636; --on-primary: #FFFFFF;
  --accent: #FFC233; --accent-lip: #A87500; --on-accent: #1E3328; --berry: #E85D75;
  --text: #1E3328; --text-muted: #4D6656; --sky: #9ED8F5; --moss: #6DBE6A;
  --canopy-far: #A8D5A2; --canopy-mid: #6DBE6A; --canopy-near: #3E8E57; --glow: #FFF3B0;
  --shadow: rgb(30 51 40 / 0.22);
  --radius: 28px; --radius-small: 18px;
  --s: 8px; --m: 16px; --l: 24px; --xl: 40px; --xxl: 64px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #12302A; --surface: #1D4239; --primary: #7CD58A; --primary-lip: #4FA35F; --on-primary: #0E2620;
    --accent: #FFD45C; --accent-lip: #B8862B; --on-accent: #0E2620; --berry: #FF8A9B;
    --text: #F3F8EA; --text-muted: #B7CDBF; --sky: #2B4F6B; --moss: #3F7F55;
    --canopy-far: #1F4A3C; --canopy-mid: #2C6049; --canopy-near: #3B7A57; --glow: #FFE9A0;
    --shadow: rgb(5 15 12 / 0.45);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--background); color: var(--text);
  font: 600 18px/1.55 Nunito, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-underline-offset: 3px; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 var(--m); font-weight: 900; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.3rem, 6vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.3rem; font-weight: 800; }
p { margin: 0 0 var(--m); }
.muted, p.lead { color: var(--text-muted); }
p.lead { font-size: 1.2rem; }
.wrap { width: min(1120px, 100% - 2 * var(--m)); margin: 0 auto; }
.eyebrow { display: inline-block; font-weight: 800; font-size: .9rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--primary); margin-bottom: var(--m); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--background) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); }
.site-header .wrap { display: flex; align-items: center; gap: var(--l); min-height: 68px; }
.logo { display: inline-flex; }
.logo img { height: 34px; width: auto; }
.logo .on-dark { display: none; }
@media (prefers-color-scheme: dark) { .logo .on-light { display: none; } .logo .on-dark { display: block; } }
.site-header nav { margin-left: auto; display: flex; gap: var(--l); align-items: center; font-weight: 800; }
.site-header nav a { color: var(--text); text-decoration: none; }
.site-header nav a:hover { color: var(--primary); }
.site-header .lang { border: 2px solid color-mix(in srgb, var(--text) 25%, transparent); border-radius: 999px; padding: 2px 12px; }
@media (max-width: 720px) { .site-header nav .section-link { display: none; } }

/* Buttons: a darker lip under the face, so they read as pressable */
.button { display: inline-flex; align-items: center; justify-content: center; gap: var(--s); min-height: 54px;
  padding: 0 var(--l); border-radius: 999px; border: 0; font: inherit; font-weight: 800; font-size: 1.05rem;
  text-decoration: none; cursor: pointer; background: var(--primary); color: var(--on-primary);
  box-shadow: 0 6px 0 var(--primary-lip), 0 10px 18px var(--shadow); transition: transform .12s, box-shadow .12s; }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(5px); box-shadow: 0 1px 0 var(--primary-lip), 0 4px 10px var(--shadow); }
.button.accent { background: var(--accent); color: var(--on-accent); box-shadow: 0 6px 0 var(--accent-lip), 0 10px 18px var(--shadow); }
.button.accent:active { box-shadow: 0 1px 0 var(--accent-lip), 0 4px 10px var(--shadow); }
.button.quiet { background: var(--surface); color: var(--text); box-shadow: 0 6px 0 color-mix(in srgb, var(--text) 18%, var(--surface)), 0 10px 18px var(--shadow); }
.button.block { display: flex; width: 100%; }
.button[disabled] { opacity: .55; cursor: default; transform: none; }
.buttons { display: flex; flex-wrap: wrap; gap: var(--m); align-items: center; margin-top: var(--l); }
.soon { font-weight: 800; color: var(--text-muted); font-size: .95rem; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: var(--xl) 0 var(--xxl);
  background: linear-gradient(var(--sky), var(--background) 70%); }
.hero .wrap { display: grid; gap: var(--xl); align-items: center; grid-template-columns: 1fr; }
@media (min-width: 900px) { .hero .wrap { grid-template-columns: 1fr 1.15fr; } }
.hero .copy { position: relative; z-index: 1; }
.hills { position: absolute; inset: auto 0 0 0; height: 120px; pointer-events: none; }
.hills path:nth-child(1) { fill: var(--canopy-far); }
.hills path:nth-child(2) { fill: var(--canopy-mid); }
.hills path:nth-child(3) { fill: var(--background); }

/* A TV around a screenshot */
.tv { position: relative; margin: 0; }
.tv .screen { border-radius: 22px; overflow: hidden; border: 10px solid #18231D; background: #18231D;
  box-shadow: 0 24px 50px var(--shadow); aspect-ratio: 16 / 9; }
.tv .screen img { width: 100%; height: 100%; object-fit: cover; }
.tv::after { content: ""; display: block; width: 26%; height: 12px; margin: 0 auto; border-radius: 0 0 12px 12px; background: #18231D; }
.tv .owl { position: absolute; width: 30%; max-width: 190px; right: -4%; bottom: -14%; filter: drop-shadow(0 10px 14px var(--shadow)); }
/* Atlo pointing into the screen from its left corner */
.tv .owl.left { right: auto; left: -6%; }
@media (prefers-reduced-motion: no-preference) {
  .tv .owl { animation: breathe 3.6s ease-in-out infinite; transform-origin: 50% 90%; }
  @keyframes breathe { 50% { transform: translateY(-4px) scale(1.02); } }
}

section { padding: var(--xxl) 0; }
.section-head { max-width: 46rem; margin-bottom: var(--xl); }

/* Cards */
.card { background: var(--surface); border-radius: var(--radius); padding: var(--l); box-shadow: 0 10px 24px var(--shadow); }
.card h2 { margin-top: 0; }
.grid { display: grid; gap: var(--l); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(3, 1fr); } }

.world { text-align: center; padding-top: var(--m); }
.world img { width: 150px; margin: 0 auto var(--s); }
.world h3 { margin-bottom: var(--s); }
.world p { color: var(--text-muted); margin: 0; }

.split { display: grid; gap: var(--xl); align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } .split.flip > :first-child { order: 2; } }

.skills { list-style: none; padding: 0; margin: var(--l) 0 0; display: grid; gap: var(--m); }
.skills li { display: grid; grid-template-columns: 52px 1fr; gap: var(--m); align-items: start; }
.skills strong { display: block; font-weight: 800; font-size: 1.1rem; }
.skills span { color: var(--text-muted); }
.badge { width: 52px; height: 52px; border-radius: 18px; display: grid; place-items: center; font-weight: 900; font-size: 1.3rem; }
.badge svg { width: 28px; height: 28px; }
.badge.green { background: color-mix(in srgb, var(--moss) 35%, var(--surface)); color: var(--primary); }
.badge.sun { background: color-mix(in srgb, var(--accent) 40%, var(--surface)); color: var(--on-accent); }
.badge.berry { background: color-mix(in srgb, var(--berry) 25%, var(--surface)); color: var(--text); }
.badge.sky { background: color-mix(in srgb, var(--sky) 55%, var(--surface)); color: var(--text); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: var(--l); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 52px 1fr; gap: var(--m); }
.steps li::before { content: counter(step); width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--on-accent); font-weight: 900; font-size: 1.4rem; box-shadow: 0 5px 0 var(--accent-lip); }
.steps strong { display: block; font-weight: 800; font-size: 1.15rem; }
.steps span { color: var(--text-muted); }

.promise h3 { margin: var(--m) 0 var(--s); }
.promise p { color: var(--text-muted); margin: 0; }

.band { background: color-mix(in srgb, var(--canopy-far) 45%, var(--background)); }

.faq details { background: var(--surface); border-radius: var(--radius-small); padding: var(--m) var(--l); margin-bottom: var(--m);
  box-shadow: 0 6px 16px var(--shadow); }
.faq summary { font-weight: 800; font-size: 1.1rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: var(--m); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 900; color: var(--primary); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--text-muted); margin: var(--s) 0 0; }

.closing { text-align: center; }
.closing img { width: 200px; margin: 0 auto var(--m); }

/* Footer */
.site-footer { padding: var(--xl) 0; border-top: 1px solid color-mix(in srgb, var(--text) 12%, transparent); font-size: .95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: var(--m) var(--l); align-items: center; }
.site-footer a { color: var(--text-muted); }
.site-footer .copyright { margin-left: auto; color: var(--text-muted); }

/* Text pages: legal, deletion, pairing */
main.page { width: min(44rem, 100% - 2 * var(--m)); margin: 0 auto; padding: var(--xl) 0 var(--xxl); }
main.page.narrow { width: min(32rem, 100% - 2 * var(--m)); }
main.page .card { margin: var(--m) 0; }
main.page .card h2 { font-size: 1.5rem; }
.prose h1 { font-size: 2.2rem; }
.prose h2 { font-size: 1.3rem; font-weight: 800; margin: var(--xl) 0 var(--s); }
.prose p, .prose li { color: var(--text-muted); }
.prose strong { color: var(--text); }
.prose section + section { margin-top: var(--xxl); padding-top: var(--xl); border-top: 1px solid color-mix(in srgb, var(--text) 15%, transparent); }
.crumbs { font-size: .95rem; font-weight: 800; }

/* Forms (pairing) */
label { display: block; font-weight: 800; margin: var(--m) 0 var(--s); }
input[type=email], input[type=text], input[type=time], select {
  width: 100%; min-height: 54px; padding: 0 var(--m); font: inherit; color: var(--text); background: var(--background);
  border: 2px solid color-mix(in srgb, var(--text) 22%, transparent); border-radius: var(--radius-small); }
input:focus, select:focus { border-color: var(--primary); outline: none; }
input.code { font-size: 1.8rem; font-weight: 900; letter-spacing: .25em; text-align: center; text-transform: uppercase; }
.choices { display: grid; gap: var(--s); grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.choices label { margin: 0; }
.choices input { position: absolute; opacity: 0; }
.choices span { display: flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 var(--m); border-radius: var(--radius-small);
  border: 2px solid color-mix(in srgb, var(--text) 22%, transparent); font-weight: 800; cursor: pointer; text-align: center; }
.choices input:checked + span { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 14%, var(--surface)); }
.choices input:checked + span::before { content: "✓"; margin-right: 6px; color: var(--primary); }
.choices input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.hint { font-size: .95rem; color: var(--text-muted); margin-top: var(--s); }
.message { border-radius: var(--radius-small); padding: var(--m); margin: var(--m) 0; font-weight: 700;
  background: color-mix(in srgb, var(--accent) 30%, var(--surface)); color: var(--text); }
.step-head { display: flex; align-items: center; gap: var(--m); margin-bottom: var(--m); }
.step-head img { width: 84px; }
.small { font-size: .9rem; color: var(--text-muted); }
.done-owl { width: 140px; margin: 0 auto; }
.tv-code { font-size: 2rem; font-weight: 900; letter-spacing: .14em; margin: 0; }
[hidden] { display: none !important; }