/* Posy Aí — site
   Order: reset → tokens → base → layout → components → sections → legal pages → states → responsive
   Tokens mirror src/lib/theme.ts (blush light theme + dark media theme). System font, one accent. */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
[hidden] { display: none !important; }

/* ---------- tokens ---------- */
:root {
  /* blush (theme.color) */
  --bg: #FFF8F7;
  --surface: #F6E8EA;
  --elevated: #FFFFFF;
  --surface-3: #EBD5D9;
  --ink: #241A1D;            /* 16.1:1 on --bg */
  --ink-2: #6F5C61;          /* 5.9:1 on --bg, 5.2:1 on --surface */
  --border: #8E7A7F;         /* 3.8:1 on --bg: control borders */
  --line: #EFDDE0;
  --accent: #C8235A;         /* white on top 5.5:1; as text 5.2:1 on --bg */
  --accent-pressed: #A81C4B;
  --on-accent: #FFFFFF;
  --focus: #241A1D;
  --glass: rgba(255, 248, 247, 0.86);

  /* media (theme.media): the film, like the camera and the gallery in the app */
  --m-bg: #000000;
  --m-surface: #121212;
  --m-elevated: #1C1C1C;
  --m-surface-2: #262626;
  --m-surface-3: #363636;
  --m-ink: #F5F5F5;
  --m-ink-2: #A8A8A8;        /* 8.8:1 on black */
  --m-accent: #DA3166;       /* white on top 4.55:1 */
  --m-accent-text: #FF6B93;
  --m-line: rgba(255, 255, 255, 0.12);
  --m-glass: rgba(22, 22, 22, 0.80);

  /* fit signal (theme.signal): reserved, always with a word next to it */
  --sig-red: #FF453A;
  --sig-orange: #FF9F0A;
  --sig-green: #30D158;

  /* type: one family, the system one, like the app */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --t-13: 13px;
  --t-14: 14px;
  --t-16: 16px;
  --t-18: 18px;
  --t-20: 20px;
  --t-22: 22px;
  --t-28: 28px;
  --t-h2: clamp(28px, 3.4vw, 44px);
  --t-display: clamp(36px, 5.4vw, 76px);

  /* space (scale of 4) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-6: 24px;
  --s-8: 32px;
  --s-12: 48px;
  --s-16: 64px;
  --s-24: 96px;
  --s-32: 128px;

  /* radius (theme.radius) */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-full: 999px;

  /* layout */
  --nav-h: 60px;
  --gutter: clamp(20px, 5.5vw, 80px);
  --measure: 1280px;
  --inset: max(var(--gutter), calc((100vw - var(--measure)) / 2)); /* one left edge for nav, film and sections */
  --section-y: clamp(64px, 9vw, 128px);

  /* motion (movimento/valores.md) */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --dur-press: 140ms;
  --dur-color: 150ms;
  --dur-nav: 300ms;
  --dur-panel: 240ms;
  --dur-reveal: 640ms;
  --dur-hero: 900ms;
  --dur-crossfade: 900ms;
  --stagger: 50ms;
}

/* ---------- base ---------- */
html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + var(--s-4));
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  font-family: var(--font);
  font-size: var(--t-16);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  overflow-x: clip; /* clip, not hidden: the film stage is sticky */
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }
p { text-wrap: pretty; }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: var(--r-sm); }
.on-dark :focus-visible, .on-dark:focus-visible { outline-color: var(--m-ink); }

.skip {
  position: absolute; left: var(--s-4); top: var(--s-2); z-index: 100;
  padding: var(--s-3) var(--s-4);
  background: var(--ink); color: var(--bg); border-radius: var(--r-md);
  font-weight: 600; text-decoration: none;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ---------- layout ---------- */
.wrap { width: 100%; padding-inline: max(var(--inset), env(safe-area-inset-left)) max(var(--inset), env(safe-area-inset-right)); }
.section { padding-block: var(--section-y); }
.section__head { max-width: 640px; margin-bottom: var(--s-12); }
.section__head h2 { font-size: var(--t-h2); }
.section__head p { margin-top: var(--s-4); font-size: var(--t-18); color: var(--ink-2); }

.eyebrow {
  display: block; margin-bottom: var(--s-3);
  font-size: var(--t-14); font-weight: 600; letter-spacing: 0.01em; color: var(--accent);
}
.on-dark .eyebrow { color: var(--m-accent-text); }

/* ---------- components ---------- */
/* buttons: 48 px primary, radius 12, like src/ui/Button.tsx */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: 48px; padding: 0 var(--s-6);
  border-radius: var(--r-md);
  font-size: var(--t-16); font-weight: 600; line-height: 1.2; text-decoration: none; white-space: nowrap;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: background-color var(--dur-color) ease, color var(--dur-color) ease, border-color var(--dur-color) ease, transform var(--dur-press) var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn--accent { background: var(--accent); color: var(--on-accent); }
.btn--accent:active { background: var(--accent-pressed); }
.btn--quiet { background: var(--surface); color: var(--ink); }
.btn--quiet:active { background: var(--surface-3); }
.on-dark .btn--accent { background: var(--m-accent); }
.on-dark .btn--quiet { background: var(--m-surface-2); color: var(--m-ink); }
.on-dark .btn--quiet:active { background: var(--m-surface-3); }
.btn--small { min-height: 44px; padding: 0 var(--s-4); font-size: var(--t-14); }
@media (hover: hover) and (pointer: fine) {
  .btn--accent:hover { background: var(--accent-pressed); }
  .btn--quiet:hover { background: var(--surface-3); }
  .on-dark .btn--accent:hover { background: var(--accent); }
  .on-dark .btn--quiet:hover { background: var(--m-surface-3); }
}

/* store button: "coming soon" until the App Store link exists (script.js › STORE_URL) */
.store { display: inline-flex; flex-direction: column; align-items: flex-start; gap: var(--s-2); }
.store__note { font-size: var(--t-13); color: var(--ink-2); }
.on-dark .store__note { color: var(--m-ink-2); }
.btn[aria-disabled="true"] { cursor: default; }
.btn[aria-disabled="true"]:active { transform: none; }
.btn--accent[aria-disabled="true"]:active { background: var(--accent); }
.on-dark .btn--accent[aria-disabled="true"]:active { background: var(--m-accent); }

.link { color: var(--accent); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.on-dark .link { color: var(--m-ink); }

/* nav: thin; over the film it is clear, after it turns into blush glass */
.nav {
  position: absolute; inset: 0 0 auto; z-index: 50;
  height: calc(var(--nav-h) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  color: var(--m-ink);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-nav) ease, border-color var(--dur-nav) ease, color var(--dur-nav) ease;
}
.js .nav { position: fixed; }
.nav__in {
  display: flex; align-items: center; gap: var(--s-6);
  height: var(--nav-h);
  padding-inline: max(var(--inset), env(safe-area-inset-left)) max(var(--inset), env(safe-area-inset-right));
}
.brand { display: inline-flex; align-items: center; gap: var(--s-2); min-height: 44px; font-size: var(--t-18); font-weight: 700; letter-spacing: -0.01em; text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; box-shadow: 0 0 0 1px var(--line); }
.nav__links { display: none; margin-left: auto; gap: var(--s-1); }
.nav__links a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--s-3);
  font-size: var(--t-14); font-weight: 500; text-decoration: none; opacity: 0.86;
  transition: opacity var(--dur-color) ease;
}
.nav__links a[aria-current] { opacity: 1; font-weight: 700; }
@media (hover: hover) and (pointer: fine) { .nav__links a:hover { opacity: 1; } }
.nav__cta { margin-left: auto; }
@media (min-width: 900px) {
  .nav__links { display: flex; }
  .nav__cta { margin-left: 0; }
}
.nav.is-solid, .nav--light {
  color: var(--ink);
  background-color: var(--glass);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}
.nav--light { position: sticky; top: 0; }
.js .nav--light { position: sticky; }
.nav:not(.is-solid):not(.nav--light) :focus-visible { outline-color: var(--m-ink); }
.nav:not(.is-solid):not(.nav--light) .btn--quiet { background: rgba(255, 255, 255, 0.16); color: var(--m-ink); }

/* footer */
.footer { position: relative; z-index: 3; background: var(--bg); border-top: 1px solid var(--line); padding-block: var(--s-12) calc(var(--s-12) + env(safe-area-inset-bottom)); font-size: var(--t-14); color: var(--ink-2); }
.footer__in { display: grid; gap: var(--s-8); }
.footer__brand .brand { color: var(--ink); }
.footer__brand p { margin-top: var(--s-2); max-width: 36ch; }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-6); }
.footer__nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); text-decoration: none; font-weight: 500; }
@media (hover: hover) and (pointer: fine) { .footer__nav a:hover { text-decoration: underline; text-underline-offset: 3px; } }
.footer__legal { padding-top: var(--s-6); border-top: 1px solid var(--line); }
@media (min-width: 900px) {
  .footer__in { grid-template-columns: 1fr auto; align-items: start; }
  .footer__legal { grid-column: 1 / -1; }
}

/* data still to be filled in by the owner before publishing: impossible to miss */
.fill { background: #FFE9A8; color: #3B2F00; padding: 0 4px; border-radius: 4px; font-weight: 600; }

/* ---------- sections (landing) ---------- */
/* the film ends: the page slides over its last frame */
.after-film { position: relative; z-index: 3; background: var(--bg); }
.is-live .after-film {
  margin-top: -32vh; padding-top: 32vh;
  background: linear-gradient(to bottom, rgba(255, 248, 247, 0), var(--bg) 32vh);
}
@supports (height: 100svh) {
  .is-live .after-film {
    margin-top: -32svh; padding-top: 32svh;
    background: linear-gradient(to bottom, rgba(255, 248, 247, 0), var(--bg) 32svh);
  }
}

/* poses */
.poses__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); }
.pose { position: relative; }
.pose__media { position: relative; aspect-ratio: 3 / 4; border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.pose__photo, .pose__guide { position: absolute; inset: 0; width: 100%; height: 100%; }
.pose__photo { object-fit: cover; transition: opacity var(--dur-panel) ease; }
.pose__guide { object-fit: contain; padding: 6% 0 0; opacity: 0; transition: opacity var(--dur-panel) ease; }
.pose[data-view="guide"] .pose__photo { opacity: 0; }
.pose[data-view="guide"] .pose__guide { opacity: 1; }
.pose__toggle {
  position: absolute; right: var(--s-2); bottom: var(--s-2);
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 var(--s-3);
  border-radius: var(--r-full); background: rgba(0, 0, 0, 0.62); color: #FFFFFF;
  font-size: var(--t-13); font-weight: 600;
  touch-action: manipulation;
  transition: background-color var(--dur-color) ease, transform var(--dur-press) var(--ease-out);
}
.pose__toggle:active { transform: scale(0.97); }
.pose__toggle:focus-visible { outline-color: #FFFFFF; outline-offset: -4px; border-radius: var(--r-full); }
.pose[data-view="guide"] .pose__toggle { background: var(--ink); }
.no-js .pose__toggle { display: none; }
.pose__name { margin-top: var(--s-3); font-size: var(--t-16); font-weight: 600; line-height: 1.3; }
.pose__cat { font-size: var(--t-14); color: var(--ink-2); }
.pose--more .pose__media { display: grid; place-content: center; gap: var(--s-2); padding: var(--s-6); text-align: center; border: 1px dashed var(--border); background: none; }
.pose--more strong { font-size: var(--t-18); line-height: 1.25; }
.pose--more span { font-size: var(--t-14); color: var(--ink-2); }
.poses__follow { margin-top: var(--s-8); }
@media (min-width: 700px) { .poses__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); } }

/* signal */
.signal { background: var(--surface); }
.signal__in { display: grid; gap: var(--s-12); align-items: center; }
.signal__quote { font-size: var(--t-display); line-height: 1.02; letter-spacing: -0.03em; font-weight: 700; text-wrap: balance; }
.signal__lead { margin-top: var(--s-6); max-width: 46ch; font-size: var(--t-18); color: var(--ink-2); }
.signal__list { display: grid; gap: var(--s-2); }
.signal__row { display: grid; grid-template-columns: auto 1fr; gap: var(--s-1) var(--s-4); align-items: center; padding: var(--s-4) var(--s-6); background: var(--bg); border-radius: var(--r-lg); }
.chip { display: inline-flex; align-items: center; gap: var(--s-2); min-width: 116px; padding: 6px var(--s-3) 6px 10px; border-radius: var(--r-full); background: #161112; color: #FFFFFF; font-size: var(--t-14); font-weight: 600; }
.chip i { width: 10px; height: 10px; border-radius: 50%; background: var(--sig-red); }
.chip[data-fit="near"] i { background: var(--sig-orange); }
.chip[data-fit="ok"] i { background: var(--sig-green); }
.signal__row dd { color: var(--ink-2); }
@media (min-width: 900px) { .signal__in { grid-template-columns: 1.15fr 1fr; gap: var(--s-24); } }

/* plans */
.plans__grid { display: grid; gap: var(--s-4); }
.plan { display: flex; flex-direction: column; gap: var(--s-6); padding: var(--s-8); border-radius: var(--r-lg); background: var(--surface); }
.plan--pro { background: var(--elevated); box-shadow: inset 0 0 0 2px var(--accent); }
.plan h3 { font-size: var(--t-22); }
.plan__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--s-2); font-variant-numeric: tabular-nums; }
.plan__price strong { font-size: var(--t-h2); line-height: 1; letter-spacing: -0.02em; }
.plan__price span { color: var(--ink-2); }
.plan__alt { margin-top: var(--s-2); font-size: var(--t-14); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.plan__alt b { color: var(--accent); font-weight: 600; }
.plan__list { display: grid; gap: var(--s-3); }
.plan__list li { display: grid; grid-template-columns: 20px 1fr; gap: var(--s-3); align-items: start; }
.plan__list svg { width: 20px; height: 20px; margin-top: 3px; stroke: var(--accent); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.plans__fine { margin-top: var(--s-6); max-width: 76ch; font-size: var(--t-14); color: var(--ink-2); }
@media (min-width: 800px) { .plans__grid { grid-template-columns: 1fr 1.25fr; gap: var(--s-6); } }

/* privacy summary */
.trust__grid { display: grid; gap: var(--s-8); }
.trust__item { padding-top: var(--s-4); border-top: 2px solid var(--ink); }
.trust__item h3 { font-size: var(--t-20); line-height: 1.2; letter-spacing: -0.01em; }
.trust__item p { margin-top: var(--s-2); color: var(--ink-2); }
.trust__more { margin-top: var(--s-8); }
@media (min-width: 800px) { .trust__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-12); } }

/* faq */
.faq__in { display: grid; gap: var(--s-8); }
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  min-height: 64px; padding-block: var(--s-4);
  font-size: var(--t-18); font-weight: 600; line-height: 1.3; cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ''; flex: none; width: 10px; height: 10px; margin-right: 6px;
  border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--dur-press) var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(225deg) translate(-2px, -2px); }
.faq__body { padding: 0 var(--s-8) var(--s-6) 0; max-width: 68ch; color: var(--ink-2); }
.faq__body p + p { margin-top: var(--s-3); }
@media (min-width: 900px) { .faq__in { grid-template-columns: 1fr 1.6fr; gap: var(--s-24); } .faq .section__head { margin-bottom: 0; } }

/* final call */
.final { padding-block: var(--section-y); text-align: left; }
.final__in { display: grid; gap: var(--s-8); align-items: center; padding: clamp(32px, 6vw, 80px); border-radius: var(--r-lg); background: var(--surface); }
.final h2 { font-size: var(--t-display); line-height: 1.02; letter-spacing: -0.03em; }
.final p { margin-top: var(--s-4); max-width: 44ch; font-size: var(--t-18); color: var(--ink-2); }
.final__icon { width: 96px; height: 96px; border-radius: 22px; }
@media (min-width: 900px) { .final__in { grid-template-columns: 1fr auto; } }

/* ---------- legal pages ---------- */
.doc { padding-block: var(--s-16) var(--s-24); }
.doc__in { max-width: calc(72ch + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.doc h1 { font-size: clamp(32px, 4.6vw, 52px); letter-spacing: -0.03em; }
.doc__meta { margin-top: var(--s-4); font-size: var(--t-14); color: var(--ink-2); }
.doc__lead { margin-top: var(--s-6); font-size: var(--t-18); color: var(--ink-2); }
.doc__toc { margin-top: var(--s-8); padding: var(--s-6); border-radius: var(--r-lg); background: var(--surface); }
.doc .doc__toc h2 { margin: 0 0 var(--s-2); font-size: var(--t-14); font-weight: 600; letter-spacing: 0; color: var(--ink-2); }
.doc__toc ol { columns: 2 220px; column-gap: var(--s-8); counter-reset: toc; }
.doc__toc li { counter-increment: toc; break-inside: avoid; }
.doc .doc__toc a { color: var(--ink); text-decoration: none; }
.doc__toc a { display: flex; gap: var(--s-2); align-items: baseline; min-height: 44px; padding-block: 10px; line-height: 1.35; text-decoration: none; font-weight: 500; }
.doc__toc a::before { content: counter(toc) '.'; color: var(--ink-2); font-variant-numeric: tabular-nums; }
@media (hover: hover) and (pointer: fine) { .doc .doc__toc a:hover { text-decoration: underline; text-underline-offset: 3px; } }
.doc h2 { margin-top: var(--s-16); font-size: var(--t-28); letter-spacing: -0.02em; line-height: 1.15; }
.doc h3 { margin-top: var(--s-8); font-size: var(--t-20); letter-spacing: -0.01em; line-height: 1.25; }
.doc p, .doc ul, .doc ol.steps, .doc table, .doc .note { margin-top: var(--s-4); }
.doc ul { list-style: disc; padding-left: 1.25em; }
.doc ol.steps { list-style: decimal; padding-left: 1.25em; }
.doc li + li { margin-top: var(--s-2); }
.doc a:not(.btn):not(.brand) { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.doc .note { padding: var(--s-4) var(--s-6); border-radius: var(--r-md); background: var(--surface); }
.doc .table-scroll { margin-top: var(--s-4); overflow-x: auto; -webkit-overflow-scrolling: touch; }
.doc .table-scroll:focus-visible { outline-offset: 4px; }
.doc table { width: 100%; min-width: 560px; margin-top: 0; border-collapse: collapse; font-size: var(--t-14); line-height: 1.5; }
.doc th, .doc td { padding: var(--s-3) var(--s-4) var(--s-3) 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.doc thead th { font-weight: 600; color: var(--ink-2); border-bottom-color: var(--border); }
.doc tbody th { font-weight: 600; }
.doc__cards { display: grid; gap: var(--s-4); margin-top: var(--s-8); }
.doc__card { padding: var(--s-6); border-radius: var(--r-lg); background: var(--elevated); box-shadow: inset 0 0 0 1px var(--line); }
.doc .doc__card h2 { margin-top: 0; font-size: var(--t-20); }
.doc__card .btn { margin-top: var(--s-4); }
@media (min-width: 700px) { .doc__cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- states: reveal outside the film (hidden only under .is-live, set by JS) ---------- */
.reveal { --i: 0; }
.is-live .reveal:not([data-shown]) { opacity: 0; transform: translateY(16px); }
.is-live .reveal {
  transition-property: opacity, transform;
  transition-duration: var(--dur-reveal);
  transition-timing-function: var(--ease-out);
  transition-delay: calc(var(--i) * 60ms);
}

@media (prefers-reduced-motion: reduce) {
  .btn, .pose__toggle { transition-property: background-color, color, border-color; }
  .btn:active, .pose__toggle:active { transform: none; }
  .faq summary::after { transition: none; }
}

@media print {
  .nav, .footer__nav, .skip { display: none; }
  body { background: #FFFFFF; }
}