/* Trebble site — tokens mirror the app's colour spec (v1.0) */

:root {
  color-scheme: light;
  --bg: #F2F2EE;
  --card: #FFFFFF;
  --card-subtle: #F7F7F4;
  --tile: #FFFFFF;
  --border-subtle: #E4E5DF;
  --border: #DADBD5;
  --border-strong: #B9BBB3;
  --text: #173D22;
  --text-2: #5A6B5D;
  --green: #2E7D3A;
  --forest: #173D22;
  --lime: #7BE07A;
  --lime-ink: #163A20;
  --yellow: #F2C531;
  --cream: #F7EDD3;
  --on-dark: #FFFFFF;
  --on-forest-body: #D6E4D8;
  --on-forest-caption: #B9D1BD;
  --btn-bg: #173D22;
  --btn-text: #FFFFFF;
  --goal-bg: #173D22;
  --goal-text: #FFFFFF;
  --success-bg: #DDF5D9;
  --success-text: #1E5A2A;
  --highlight: #FFE27A;
  --edit-bg: #FFF1BF;
  --edit-border: #E2B007;
  --edit-text: #173D22;
  --pill-bg: #F7EDD3;
  --pill-text: #173D22;
  --shadow: 0 1px 2px rgba(23, 61, 34, .06), 0 8px 24px rgba(23, 61, 34, .06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121413;
    --card: #1C1F1D;
    --card-subtle: #171A18;
    --tile: #232724;
    --border-subtle: #2B2F2C;
    --border: #3A3F3B;
    --border-strong: #4A504B;
    --text: #EDEEE9;
    --text-2: #A3AAA4;
    --green: #2C873E;
    --btn-bg: #EDEEE9;
    --btn-text: #121413;
    --goal-bg: #EDEEE9;
    --goal-text: #121413;
    --success-bg: #1E3A24;
    --success-text: #8FE39A;
    --edit-bg: #3A3214;
    --edit-text: #FFE27A;
    --pill-bg: #2C873E;
    --pill-text: #FFFFFF;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121413;
  --card: #1C1F1D;
  --card-subtle: #171A18;
  --tile: #232724;
  --border-subtle: #2B2F2C;
  --border: #3A3F3B;
  --border-strong: #4A504B;
  --text: #EDEEE9;
  --text-2: #A3AAA4;
  --green: #2C873E;
  --btn-bg: #EDEEE9;
  --btn-text: #121413;
  --goal-bg: #EDEEE9;
  --goal-text: #121413;
  --success-bg: #1E3A24;
  --success-text: #8FE39A;
  --edit-bg: #3A3214;
  --edit-text: #FFE27A;
  --pill-bg: #2C873E;
  --pill-text: #FFFFFF;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Nunito", ui-rounded, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0; font-weight: 900; letter-spacing: -.01em; }
p { margin: 0; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .container { padding: 0 32px; } }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: var(--card); padding: 8px 12px; border-radius: 10px; }

:focus-visible { outline: 3px solid var(--edit-border); outline-offset: 2px; border-radius: 8px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 64px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; font-weight: 700; font-size: 15px; color: var(--text-2); padding: 8px 10px; border-radius: 10px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--card); }
@media (max-width: 480px) { .nav .nav-hide-sm { display: none; } }

/* Wordmark pill with spark */
.wordmark {
  position: relative; display: inline-flex; align-items: center;
  background: var(--pill-bg); color: var(--pill-text);
  font-weight: 900; font-size: 22px; letter-spacing: -.01em;
  padding: 2px 16px 4px; border-radius: 999px; text-decoration: none; line-height: 1.3;
}
.wordmark .spark { position: absolute; top: -6px; right: -6px; width: 16px; height: 16px; color: var(--yellow); }

.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: inline-grid; place-items: center;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  cursor: pointer; margin-left: 4px;
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 14px;
  font: inherit; font-weight: 800; font-size: 16px; text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent; transition: transform .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--btn-bg); color: var(--btn-text); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--text); }
.btn-lime { background: var(--lime); color: var(--lime-ink); }
.btn svg { width: 20px; height: 20px; }

/* App Store badge-style button */
.store-btn { min-height: 56px; padding: 0 22px 0 18px; }
.store-btn .label { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.store-btn small { font-size: 11px; font-weight: 700; opacity: .8; }
.store-btn strong { font-size: 18px; font-weight: 900; }
.store-btn svg { width: 24px; height: 24px; }

/* ---------- Hero ---------- */

.hero { padding: 56px 0 72px; }
.hero .container { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero .container { grid-template-columns: 1.05fr .95fr; gap: 64px; } .hero { padding: 88px 0 104px; } }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

.hero h1 { font-size: clamp(42px, 7vw, 72px); margin: 16px 0 20px; }
.hero h1 .accent { color: var(--green); }
.hero .lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--text-2); max-width: 34ch; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero .note { margin-top: 16px; font-size: 14px; color: var(--text-2); }

/* Ladder demo card */
.demo {
  background: var(--card); border: 1px solid var(--border-subtle); border-radius: 28px;
  padding: 20px; box-shadow: var(--shadow); max-width: 440px; width: 100%; justify-self: center;
  position: relative;
}
.demo-sparks { position: absolute; top: -26px; right: -10px; width: 56px; height: 56px; color: var(--yellow); }
.goal {
  background: var(--forest); color: var(--on-dark); border-radius: 18px; padding: 14px 16px 16px;
}
.goal-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--on-forest-body); }
.goal-head .moves { text-transform: none; letter-spacing: 0; font-weight: 600; color: var(--on-forest-caption); }
.goal-head .moves b { color: var(--on-dark); }
.goal .tiles { justify-content: center; margin-top: 12px; }
.goal .tile { background: var(--cream); color: var(--forest); border-color: transparent; }

.ladder { list-style: none; margin: 18px 0 4px; padding: 0; display: grid; gap: 8px; }
.ladder li { display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 10px; }
.step-no {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; justify-self: center;
  font-size: 11px; font-weight: 800; color: var(--text-2); border: 1.5px solid var(--border);
  background: var(--card);
}
.ladder li:last-child .step-no { background: var(--goal-bg); color: var(--goal-text); border-color: var(--goal-bg); }

.tiles { display: flex; gap: 6px; }
.tile {
  width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center;
  font-weight: 900; font-size: 22px; background: var(--tile); color: var(--text);
  border: 1.5px solid var(--border);
}
.tile.in { background: var(--green); color: var(--on-dark); border-color: var(--green); }
.tile.changed { box-shadow: 0 0 0 2px var(--card), 0 0 0 4px var(--text); }
.tile.goal-t { background: var(--goal-bg); color: var(--goal-text); border-color: var(--goal-bg); }
.tile.sm { width: 30px; height: 30px; font-size: 14px; border-radius: 7px; }
@media (max-width: 400px) { .tile { width: 42px; height: 42px; font-size: 19px; } .tiles { gap: 5px; } }

.ladder li { opacity: 0; transform: translateY(6px); animation: rise .5s ease forwards; }
.ladder li:nth-child(1) { animation-delay: .1s; }
.ladder li:nth-child(2) { animation-delay: .5s; }
.ladder li:nth-child(3) { animation-delay: .9s; }
.ladder li:nth-child(4) { animation-delay: 1.3s; }
.ladder li:nth-child(5) { animation-delay: 1.7s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ladder li { animation: none; opacity: 1; transform: none; } }

.demo-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border-subtle); font-size: 14px; color: var(--text-2); }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 800; padding: 4px 10px; border-radius: 999px; background: var(--success-bg); color: var(--success-text); }

/* ---------- Sections ---------- */

.section { padding: 72px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(30px, 4.5vw, 44px); margin: 10px 0 12px; }
.section-head p { color: var(--text-2); font-size: 18px; }

/* How to play */
.steps { display: grid; gap: 16px; counter-reset: step; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  background: var(--card); border: 1px solid var(--border-subtle); border-radius: 22px; padding: 24px;
}
.step .num {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--goal-bg); color: var(--goal-text); font-weight: 900; margin-bottom: 16px;
}
.step h3 { font-size: 21px; margin-bottom: 8px; }
.step p { color: var(--text-2); }
.step .tiles { margin-top: 18px; }

/* Features */
.features { display: grid; gap: 16px; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { background: var(--card); border: 1px solid var(--border-subtle); border-radius: 22px; padding: 24px; }
.feature .icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--success-bg); color: var(--success-text); margin-bottom: 16px;
}
.feature .icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 20px; margin-bottom: 6px; }
.feature p { color: var(--text-2); font-size: 16px; }

/* Screenshot gallery */
.gallery-wrap { background: var(--forest); color: var(--on-dark); padding: 72px 0 56px; overflow: hidden; }
.gallery-wrap .section-head p { color: var(--on-forest-body); }
.gallery-wrap .eyebrow { color: var(--on-forest-caption); }
.gallery-wrap .eyebrow .dot { background: var(--lime); }
.gallery {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 4px 16px 20px; margin: 0 -16px;
  scrollbar-width: thin; scrollbar-color: var(--on-forest-caption) transparent;
}
@media (min-width: 720px) { .gallery { padding: 4px 32px 20px; margin: 0 -32px; } }
.gallery figure { margin: 0; flex: 0 0 auto; width: min(68vw, 260px); scroll-snap-align: start; }
.gallery img { width: 100%; height: auto; aspect-ratio: 1320 / 2868; border-radius: 22px; background: #1E4A28; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.gallery figcaption { margin-top: 10px; font-size: 14px; color: var(--on-forest-caption); font-weight: 600; }

/* Show screenshot set matching the active theme */
.shot-dark { display: none; }
:root[data-theme="dark"] .shot-dark { display: block; }
:root[data-theme="dark"] .shot-light { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .shot-dark { display: block; }
  :root:not([data-theme="light"]) .shot-light { display: none; }
}

/* Privacy promo card */
.promo {
  background: var(--forest); color: var(--on-dark); border-radius: 28px; padding: 32px;
  display: grid; gap: 24px; align-items: center;
}
@media (min-width: 820px) { .promo { grid-template-columns: 1.2fr 1fr; padding: 48px; } }
.promo h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; }
.promo p { color: var(--on-forest-body); }
.promo ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.promo li { display: flex; gap: 12px; align-items: flex-start; color: var(--on-forest-body); }
.promo li svg { flex: none; width: 20px; height: 20px; color: var(--lime); margin-top: 3px; }
.promo .actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.promo a.link { color: var(--on-forest-body); font-weight: 700; }

/* Final CTA */
.cta { text-align: center; padding: 88px 0; }
.cta h2 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 12px; }
.cta p { color: var(--text-2); font-size: 18px; margin-bottom: 28px; }
.cta .tiles { justify-content: center; margin-bottom: 28px; }

/* ---------- Footer ---------- */

.site-footer { border-top: 1px solid var(--border-subtle); padding: 32px 0 40px; font-size: 15px; color: var(--text-2); }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { text-decoration: none; font-weight: 700; color: var(--text); }
.site-footer a:hover { text-decoration: underline; }

/* ---------- Document pages (privacy / support) ---------- */

.doc { padding: 56px 0 80px; }
.doc .container { max-width: 760px; }
.doc h1 { font-size: clamp(36px, 6vw, 52px); margin: 12px 0 12px; }
.doc .meta { color: var(--text-2); margin-bottom: 32px; }
.doc .summary {
  background: var(--card); border: 1px solid var(--border-subtle); border-radius: 22px; padding: 24px; margin-bottom: 40px;
}
.doc .summary h2 { font-size: 20px; margin: 0 0 12px; }
.doc .summary ul { margin: 0; padding-left: 20px; color: var(--text-2); }
.doc .summary li + li { margin-top: 6px; }
.doc h2 { font-size: 26px; margin: 44px 0 12px; }
.doc h3 { font-size: 19px; margin: 24px 0 8px; font-weight: 800; }
.doc p, .doc li { color: var(--text-2); }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 22px; }
.doc li + li { margin-top: 6px; }
.doc strong { color: var(--text); }
.doc a:not(.btn) { color: var(--green); font-weight: 700; }
:root[data-theme="dark"] .doc a:not(.btn) { color: var(--success-text); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .doc a:not(.btn) { color: var(--success-text); } }

.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.toc a { text-decoration: none; font-size: 14px; font-weight: 700; padding: 6px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--border-subtle); color: var(--text) !important; }

/* Support */
.contact-card {
  background: var(--forest); color: var(--on-dark); border-radius: 22px; padding: 28px;
  display: grid; gap: 16px; margin: 8px 0 48px;
}
@media (min-width: 640px) { .contact-card { grid-template-columns: 1fr auto; align-items: center; } }
.contact-card h2 { font-size: 24px; margin: 0 0 6px; color: var(--on-dark); }
.contact-card p { color: var(--on-forest-body); }

.faq { display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--border-subtle); border-radius: 16px; padding: 0 20px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-weight: 800; color: var(--text);
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; font-weight: 700; color: var(--text-2); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding: 0 0 18px; }
.faq-group { font-size: 13px !important; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); margin: 36px 0 12px !important; }