/* ==========================================================================
   EverFeed — site.css
   Tokens, reset, header, rodape, botoes, utilitarios.
   Paleta primaria: indigo #4F46E5 — a mesma semente do painel
   (lib/core/theme/app_theme.dart), para que as capturas do produto e o site
   parecam o mesmo produto.
   ========================================================================== */

:root, [data-theme="light"]{
  --bg:        oklch(0.985 0.004 265);
  --bg-2:      oklch(0.965 0.008 265);
  --surface:   oklch(1 0 0);
  --surface-2: oklch(0.972 0.006 265);
  --text:      oklch(0.26 0.03 265);
  /* text-2 e text-3 sao escuros o bastante para passar AA (4.5:1) sobre o
     fundo mais claro em que aparecem — inclusive sobre --primary-soft, que e
     o fundo do cartao de plano em destaque. Medido, nao estimado. */
  --text-2:    oklch(0.45 0.025 265);
  --text-3:    oklch(0.53 0.021 265);
  --primary:   oklch(0.52 0.19 277);
  --primary-2: oklch(0.45 0.19 277);
  --primary-ink: oklch(0.99 0.004 277);
  --primary-soft:   oklch(0.955 0.03 277);
  --primary-soft-2: oklch(0.90 0.06 277);
  --accent:    oklch(0.70 0.15 60);
  --accent-ink: oklch(0.28 0.08 60);
  --sky:       oklch(0.70 0.14 233);
  --ok:        oklch(0.62 0.15 155);
  --border:    oklch(0.915 0.01 265);
  --border-2:  oklch(0.86 0.014 265);
  --ring:      oklch(0.52 0.19 277 / 0.30);
  --shadow: 0 1px 2px oklch(0.3 0.05 277/.05), 0 18px 38px -20px oklch(0.35 0.08 277/.26);
  --shadow-sm: 0 1px 2px oklch(0.3 0.05 277/.06), 0 6px 14px -10px oklch(0.35 0.08 277/.22);
  --grid-line: oklch(0.52 0.19 277 / 0.055);
  --scrim: oklch(1 0 0 / 0.72);
}

[data-theme="dark"]{
  --bg:        oklch(0.175 0.02 265);
  --bg-2:      oklch(0.21 0.024 265);
  --surface:   oklch(0.235 0.026 265);
  --surface-2: oklch(0.28 0.028 265);
  --text:      oklch(0.96 0.006 265);
  --text-2:    oklch(0.78 0.018 265);
  --text-3:    oklch(0.65 0.02 265);
  --primary:   oklch(0.72 0.15 277);
  --primary-2: oklch(0.66 0.16 277);
  --primary-ink: oklch(0.17 0.03 277);
  --primary-soft:   oklch(0.30 0.06 277);
  --primary-soft-2: oklch(0.37 0.08 277);
  --accent:    oklch(0.78 0.13 65);
  --accent-ink: oklch(0.20 0.04 65);
  --sky:       oklch(0.75 0.12 233);
  --ok:        oklch(0.74 0.14 155);
  --border:    oklch(0.33 0.026 265);
  --border-2:  oklch(0.40 0.03 265);
  --ring:      oklch(0.72 0.15 277 / 0.4);
  --shadow: 0 1px 2px oklch(0 0 0/.25), 0 20px 40px -22px oklch(0 0 0/.5);
  --shadow-sm: 0 1px 2px oklch(0 0 0/.22), 0 8px 18px -12px oklch(0 0 0/.45);
  --grid-line: oklch(0.72 0.15 277 / 0.075);
  --scrim: oklch(0.175 0.02 265 / 0.72);
}

:root{
  --font-display: "Bricolage Grotesque", "Instrument Sans", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --section: clamp(64px, 9vw, 120px);
  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
}

/* --------------------------------------------------------------- reset -- */

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

html{
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video{ max-width: 100%; height: auto; display: block; }
/* precisa vir depois da regra acima: `svg{display:block}` sobrescreveria o
   atributo hidden e os dois icones do botao de tema apareceriam juntos. */
[hidden]{ display: none !important; }
a{ color: inherit; }
button{ font: inherit; color: inherit; }

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1{ font-size: clamp(2.4rem, 5.6vw, 4.15rem); letter-spacing: -0.038em; }
h2{ font-size: clamp(1.85rem, 3.6vw, 2.7rem); letter-spacing: -0.03em; }
h3{ font-size: clamp(1.15rem, 1.7vw, 1.35rem); letter-spacing: -0.018em; }
p{ margin: 0 0 1em; text-wrap: pretty; }
strong{ font-weight: 620; color: var(--text); }

::selection{ background: var(--primary-soft-2); color: var(--text); }

:where(a, button, summary, input, [tabindex]):focus-visible{
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ------------------------------------------------------------- layout -- */

.wrap{
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section{ padding-block: var(--section); }
.section-tight{ padding-block: clamp(48px, 6vw, 80px); }

.kicker{
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.kicker::before{
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .55;
  flex: none;
}

.lede{
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: var(--text-2);
  max-width: 62ch;
  line-height: 1.6;
}
.eyebrow-head{ max-width: 46ch; }

/* ------------------------------------------------------------ botoes -- */

.btn{
  --btn-bg: transparent;
  --btn-fg: var(--text);
  --btn-bd: var(--border-2);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .78rem 1.35rem;
  border: 1px solid var(--btn-bd);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 560;
  font-size: .97rem;
  letter-spacing: -.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.8,.3,1), box-shadow .18s, background .18s, border-color .18s;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }
.btn .arr{ transition: transform .2s cubic-bezier(.2,.8,.3,1); }
.btn:hover .arr{ transform: translateX(3px); }

.btn-primary{
  --btn-bg: var(--primary);
  --btn-fg: var(--primary-ink);
  --btn-bd: transparent;
  box-shadow: 0 1px 2px oklch(0.3 0.1 277/.2), 0 10px 22px -12px oklch(0.4 0.16 277/.6);
}
.btn-primary:hover{
  --btn-bg: var(--primary-2);
  box-shadow: 0 2px 4px oklch(0.3 0.1 277/.22), 0 16px 30px -14px oklch(0.4 0.16 277/.7);
}
.btn-ghost{ --btn-bg: var(--surface); }
.btn-ghost:hover{ --btn-bd: var(--primary); color: var(--primary); }
.btn-sm{ padding: .52rem .95rem; font-size: .88rem; }

.link-arrow{
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--primary);
  font-weight: 560;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--primary) 35%, transparent);
  padding-bottom: 1px;
  transition: border-color .18s, gap .18s;
}
.link-arrow:hover{ border-color: var(--primary); gap: .7rem; }

/* ------------------------------------------------------------- header -- */

.site-header{
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--scrim);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.site-header.is-stuck{ border-bottom-color: var(--border); }

.header-inner{
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: 68px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.16rem;
  letter-spacing: -.03em;
  color: var(--text);
  flex: none;
}
.brand-mark{
  width: 28px; height: 28px;
  border-radius: 9px;
  display: grid; place-items: center;
  background: var(--primary);
  color: var(--primary-ink);
  flex: none;
  box-shadow: 0 4px 12px -6px oklch(0.4 0.16 277/.8);
}
.brand em{ font-style: normal; color: var(--text-3); font-weight: 500; }

.header-nav{
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-inline-start: auto;
}
.header-nav a{
  padding: .45rem .7rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text-2);
  font-size: .93rem;
  font-weight: 500;
  transition: color .16s, background .16s;
}
.header-nav a:hover{ color: var(--text); background: var(--surface-2); }
.header-nav a[aria-current="page"]{ color: var(--primary); background: var(--primary-soft); }

.header-tools{
  display: flex;
  align-items: center;
  gap: .5rem;
  flex: none;
}

/* "Entrar": texto, com o mesmo peso dos links do menu; "Criar conta" e o
   botao primario ao lado. Logado, sobra so o botao "Minha conta". */
.nav-login{
  padding: .45rem .75rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text-2);
  font-size: .93rem;
  font-weight: 560;
  white-space: nowrap;
  transition: color .16s, background .16s;
}
.nav-login:hover{ color: var(--text); background: var(--surface-2); }
.nav-login[aria-current="page"]{ color: var(--primary); background: var(--primary-soft); }

/* Um botao so: mostra o idioma atual e troca para o proximo ao clicar.
   Os outros dois idiomas continuam rastreaveis pelos <link hreflang> do
   <head> e pelos links do rodape. */
.lang-btn{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  height: 36px;
  padding: 0 .7rem 0 .6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .16s, border-color .16s, transform .16s;
}
.lang-btn:hover{ color: var(--primary); border-color: var(--primary); }
.lang-btn:active{ transform: scale(.96); }
.lang-btn svg{ opacity: .75; flex: none; }
.lang-btn .code{ line-height: 1; }

.footer-langs{ display: flex; gap: .9rem; }
.footer-langs a{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-decoration: none;
  color: var(--text-3);
  transition: color .16s;
}
.footer-langs a:hover{ color: var(--primary); }
.footer-langs a[aria-current="true"]{ color: var(--text); }

.icon-btn{
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: color .16s, border-color .16s, transform .16s;
}
.icon-btn:hover{ color: var(--primary); border-color: var(--primary); }
.icon-btn:active{ transform: scale(.94); }

.menu-btn{ display: none; }

.mobile-panel{
  display: none;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: .75rem var(--gutter) 1.1rem;
}
.mobile-panel.open{ display: block; }
.mobile-panel a{
  display: block;
  padding: .68rem .2rem;
  text-decoration: none;
  color: var(--text-2);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.mobile-panel a:last-of-type{ border-bottom: 0; }
.mobile-panel a[aria-current="page"]{ color: var(--primary); }
.mobile-actions{
  display: flex;
  gap: .6rem;
  padding-top: .85rem;
  border-top: 1px solid var(--border);
}
.mobile-panel .mobile-actions a.btn{
  flex: 1;
  display: inline-flex;
  justify-content: center;
  padding: .7rem 1rem;
  border: 1px solid var(--btn-bd);
  color: var(--btn-fg);
  font-weight: 560;
}

@media (max-width: 900px){
  .header-nav{ display: none; }
  .menu-btn{ display: grid; }
  .header-tools{ margin-inline-start: auto; }
}
/* No celular "Entrar" e o CTA do header saem: os dois ja estao no painel
   do menu, e mante-los ao lado do seletor de idioma estourava a linha. */
@media (max-width: 640px){
  .nav-cta-btn, .nav-login{ display: none; }
  .header-inner{ gap: .75rem; }
}
@media (max-width: 420px){
  
  .brand{ font-size: 1.05rem; }
  .header-inner{ gap: .5rem; }
}
@media (max-width: 360px){
  .icon-btn{ width: 32px; height: 32px; }
  .lang-btn{ padding: 0 .55rem 0 .45rem; font-size: .68rem; }
  .header-tools{ gap: .35rem; }
}

/* ------------------------------------------------------------- rodape -- */

.site-footer{
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding-block: clamp(48px, 6vw, 72px) 2rem;
  margin-top: var(--section);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: 2.5rem 1.5rem;
}
.footer-about p{
  color: var(--text-2);
  font-size: .93rem;
  max-width: 34ch;
  margin-top: .9rem;
}
.footer-col h4{
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: .9rem;
}
.footer-col ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.footer-col a{
  text-decoration: none;
  color: var(--text-2);
  font-size: .93rem;
  transition: color .16s;
}
.footer-col a:hover{ color: var(--primary); }
.footer-bottom{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: .84rem;
}
.footer-bottom code{ font-family: var(--font-mono); font-size: .8rem; }
@media (max-width: 760px){
  .footer-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-about{ grid-column: 1 / -1; }
}

/* ------------------------------------------------------- utilitarios -- */

.mono{ font-family: var(--font-mono); }
.center{ text-align: center; }
.center .lede{ margin-inline: auto; }
.center .kicker{ justify-content: center; }
.skip-link{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: var(--primary-ink);
  padding: .7rem 1.1rem;
  border-radius: 0 0 var(--r) 0;
  z-index: 100;
}
.skip-link:focus{ left: 0; }

/* revelacao no scroll — sem JS o conteudo aparece normalmente */
html.js .reveal{ opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
html.js .reveal.in{ opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){
  html.js .reveal{ opacity: 1 !important; transform: none !important; }
}