/* Arda Sistemas - estilos globais
   Raios: botões em pílula, cartões 20px, elementos internos 12px. */

:root {
  --bg: #f6f7f6;
  --surface: #ffffff;
  --surface-2: #eef1ef;
  --line: #dde2df;
  --text: #121614;
  --text-2: #4a524e;
  --text-3: #66706b;
  --accent: #0b7a55;
  --accent-strong: #08613f;
  --accent-soft: #e2f3eb;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgb(18 40 30 / .06), 0 12px 40px -12px rgb(18 40 30 / .16);
  --radius-card: 20px;
  --radius-inner: 12px;
  --maxw: 1200px;
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d100f;
    --surface: #151917;
    --surface-2: #1b201e;
    --line: #29302d;
    --text: #edf1ef;
    --text-2: #b3bcb7;
    --text-3: #8f9994;
    --accent: #3fd39d;
    --accent-strong: #6ee0b6;
    --accent-soft: #15312a;
    --on-accent: #06281b;
    --shadow: 0 1px 2px rgb(0 0 0 / .4), 0 16px 48px -16px rgb(0 0 0 / .6);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -0.025em; font-weight: 600; }
p { margin: 0; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--on-accent); padding: 8px 16px; border-radius: 999px; z-index: 100;
}
.skip:focus { left: 16px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.header.is-scrolled { border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 18px; letter-spacing: -0.02em; }
.brand__mark { width: 30px; height: 30px; color: var(--accent); }
.brand__name span { color: var(--text-3); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) {
  text-decoration: none; color: var(--text-2); font-size: 15px; padding: 8px 14px; border-radius: 999px;
  transition: color .2s, background-color .2s;
}
.nav a:not(.btn):hover { color: var(--text); background: var(--surface-2); }
.nav .btn { margin-left: 8px; }

.menu-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--surface);
  border-radius: 999px; color: var(--text); font-size: 20px; cursor: pointer; align-items: center; justify-content: center;
}

@media (max-width: 820px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px 16px 20px; background: var(--bg); border-bottom: 1px solid var(--line);
    opacity: 0; transform: translateY(-8px); pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a:not(.btn) { padding: 12px 14px; font-size: 16px; }
  .nav .btn { margin: 8px 0 0; justify-content: center; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font: inherit; font-size: 15px; font-weight: 500; text-decoration: none;
  padding: 11px 20px; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s, border-color .2s, color .2s;
}
.btn:active { transform: scale(.97); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-strong); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { background: var(--surface); border-color: var(--text-3); }
.btn i { font-size: 18px; transition: transform .25s var(--ease); }
.btn:hover i.ph-arrow-right, .btn:hover i.ph-arrow-up-right { transform: translateX(2px); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 96px; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero__title { font-size: clamp(40px, 5.2vw, 64px); letter-spacing: -0.04em; max-width: 13ch; }
.hero__title em { font-style: normal; color: var(--accent); }
.hero__sub { margin-top: 24px; font-size: 19px; color: var(--text-2); max-width: 44ch; }
.hero__ctas { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }

.stack { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stack__item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 22px; box-shadow: var(--shadow); text-decoration: none;
  display: flex; flex-direction: column; gap: 28px; min-height: 170px;
  transition: transform .35s var(--ease), border-color .25s;
}
.stack__item:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.stack__item:nth-child(1) { grid-row: span 2; background: var(--accent); color: var(--on-accent); border-color: transparent; justify-content: space-between; }
.stack__item:nth-child(1) .stack__desc { color: color-mix(in srgb, var(--on-accent) 80%, transparent); }
.stack__item:nth-child(1) .stack__icon { background: color-mix(in srgb, var(--on-accent) 16%, transparent); color: var(--on-accent); }
.stack__icon {
  width: 44px; height: 44px; border-radius: var(--radius-inner); display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: 24px;
}
.stack__name, .stack__desc { display: block; }
.stack__name { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.stack__desc { font-size: 14px; color: var(--text-3); margin-top: 4px; line-height: 1.45; }
.stack__item:nth-child(1) .stack__name { font-size: 26px; }
.stack__item--wide { grid-column: span 2; min-height: 0; flex-direction: row; align-items: center; gap: 16px; }

@media (max-width: 960px) {
  .hero { padding: 48px 0 72px; }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 480px) {
  .stack { grid-template-columns: 1fr; }
  .stack__item:nth-child(1) { grid-row: auto; }
  .stack__item--wide { grid-column: auto; }
  .hero__sub { font-size: 17px; }
}

/* ---------- Sections ---------- */
.section { padding: 112px 0; }
.section--tight { padding: 80px 0; }
.section__title { font-size: clamp(32px, 3.6vw, 46px); letter-spacing: -0.035em; max-width: 20ch; }
.section__lead { margin-top: 18px; font-size: 18px; color: var(--text-2); max-width: 60ch; }
.eyebrow { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin-bottom: 18px; }
@media (max-width: 768px) { .section { padding: 80px 0; } .section--tight { padding: 56px 0; } }

/* ---------- Products bento ---------- */
.bento { margin-top: 56px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.tile {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 32px; display: flex; flex-direction: column; gap: 16px; min-height: 260px;
}
.tile h3 { font-size: 26px; letter-spacing: -0.03em; }
.tile p { color: var(--text-2); max-width: 52ch; }
.tile__icon { width: 48px; height: 48px; border-radius: var(--radius-inner); display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 26px; }
.tile__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 8px; }
.tile__tags span { font-size: 13px; color: var(--text-2); background: var(--surface-2); border-radius: 999px; padding: 5px 12px; }
.tile__link { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--accent); text-decoration: none; }
.tile__link:hover { text-decoration: underline; text-underline-offset: 4px; }

.tile--feature { grid-column: span 4; grid-row: span 2; min-height: 480px; background: var(--text); color: var(--bg); border-color: transparent; }
.tile--feature p { color: color-mix(in srgb, var(--bg) 72%, transparent); }
.tile--feature .tile__icon { background: color-mix(in srgb, var(--bg) 12%, transparent); color: var(--accent); }
.tile--feature .tile__tags span { background: color-mix(in srgb, var(--bg) 10%, transparent); color: color-mix(in srgb, var(--bg) 85%, transparent); }
.tile--feature h3 { font-size: clamp(32px, 3.4vw, 44px); }
.tile--feature .tile__modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: auto; padding-top: 24px; }
.tile--feature .tile__link { margin-top: 8px; }
.tile--feature .tile__modules div {
  border: 1px solid color-mix(in srgb, var(--bg) 16%, transparent); border-radius: var(--radius-inner);
  padding: 14px; font-size: 14px; display: flex; align-items: center; gap: 10px;
  color: color-mix(in srgb, var(--bg) 88%, transparent);
}
.tile--feature .tile__modules i { color: var(--accent); font-size: 18px; }
.tile--feature .tile__link { color: var(--accent); }
.tile--side { grid-column: span 2; }
.tile--half { grid-column: span 3; }
.tile--tint { background: var(--accent-soft); border-color: transparent; }
.tile--tint .tile__icon { background: var(--surface); }
.tile--pattern {
  background-image: radial-gradient(color-mix(in srgb, var(--accent) 22%, transparent) 1px, transparent 1px);
  background-size: 18px 18px; background-color: var(--surface);
}

@media (max-width: 960px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .tile--feature { grid-column: span 2; grid-row: auto; min-height: 0; }
  .tile--side, .tile--half { grid-column: span 1; }
}
@media (max-width: 640px) {
  .bento { grid-template-columns: 1fr; }
  .tile--feature, .tile--side, .tile--half { grid-column: auto; }
  .tile { padding: 24px; min-height: 0; }
  .tile--feature .tile__modules { grid-template-columns: 1fr 1fr; }
}

/* ---------- Principles ---------- */
.principles { display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
.principles__intro { position: sticky; top: 120px; }
.principles__list { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 40px; }
.principle i { font-size: 28px; color: var(--accent); }
.principle h3 { font-size: 20px; margin-top: 18px; letter-spacing: -0.02em; }
.principle p { margin-top: 8px; color: var(--text-2); font-size: 15.5px; }
@media (max-width: 960px) {
  .principles { grid-template-columns: 1fr; gap: 48px; }
  .principles__intro { position: static; }
}
@media (max-width: 560px) { .principles__list { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- Trust band ---------- */
.trust { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust__head { text-align: center; max-width: 640px; margin: 0 auto; }
.trust__head .section__title { margin: 0 auto; }
.trust__head .section__lead { margin: 18px auto 0; }
.docs { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius-card); overflow: hidden; }
.doc {
  padding: 28px; text-decoration: none; display: flex; flex-direction: column; gap: 10px;
  border-right: 1px solid var(--line); transition: background-color .2s;
}
.doc:last-child { border-right: 0; }
.doc:hover { background: var(--surface-2); }
.doc i { font-size: 26px; color: var(--accent); }
.doc strong { font-size: 17px; font-weight: 600; letter-spacing: -0.015em; margin-top: 8px; }
.doc span { font-size: 14px; color: var(--text-3); }
.doc em { margin-top: auto; padding-top: 12px; font-style: normal; font-size: 14px; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
@media (max-width: 900px) {
  .docs { grid-template-columns: 1fr 1fr; }
  .doc:nth-child(2) { border-right: 0; }
  .doc:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .docs { grid-template-columns: 1fr; }
  .doc { border-right: 0; border-bottom: 1px solid var(--line); }
  .doc:last-child { border-bottom: 0; }
}

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact__main {
  grid-row: span 2; background: var(--accent); color: var(--on-accent); border-radius: var(--radius-card);
  padding: 48px; display: flex; flex-direction: column; gap: 20px;
}
.contact__main .section__title { color: var(--on-accent); }
.contact__main p { color: color-mix(in srgb, var(--on-accent) 82%, transparent); font-size: 18px; max-width: 40ch; }
.contact__main .btn { margin-top: auto; align-self: flex-start; background: var(--on-accent); color: var(--accent); }
.contact__main .btn:hover { background: color-mix(in srgb, var(--on-accent) 90%, var(--accent)); }
.channel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 28px; display: flex; gap: 18px; align-items: flex-start; text-decoration: none;
  transition: border-color .2s, transform .3s var(--ease);
}
a.channel:hover { border-color: var(--accent); transform: translateY(-2px); }
.channel i { font-size: 26px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.channel strong { display: block; font-weight: 600; font-size: 17px; }
.channel span { display: block; color: var(--text-2); font-size: 15px; margin-top: 2px; word-break: break-word; }
@media (max-width: 860px) {
  .contact { grid-template-columns: 1fr; }
  .contact__main { grid-row: auto; padding: 32px 24px; }
}

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 40px; font-size: 14.5px; color: var(--text-2); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { font-size: 14px; font-weight: 600; color: var(--text); letter-spacing: 0; margin-bottom: 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { text-decoration: none; color: var(--text-2); }
.footer a:hover { color: var(--text); }
.footer__about p { margin-top: 14px; max-width: 34ch; }
.footer__legal { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--text-3); font-size: 13.5px; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__about { grid-column: span 2; } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } .footer__about { grid-column: auto; } }

/* ---------- Legal pages ---------- */
.legal-hero { padding: 64px 0 40px; border-bottom: 1px solid var(--line); }
.legal-hero h1 { font-size: clamp(34px, 4.4vw, 52px); letter-spacing: -0.04em; }
.legal-hero p { margin-top: 14px; color: var(--text-2); font-size: 17px; max-width: 62ch; }
.legal-hero .meta { margin-top: 20px; font-family: var(--mono); font-size: 13px; color: var(--text-3); }

.legal { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 64px; padding-top: 56px; padding-bottom: 112px; }
.toc { position: sticky; top: 100px; align-self: start; font-size: 14px; }
.toc strong { display: block; font-size: 13px; color: var(--text-3); font-weight: 500; margin-bottom: 12px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; counter-reset: toc; }
.toc a { display: block; text-decoration: none; color: var(--text-2); padding: 6px 12px; border-radius: 8px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--text); background: var(--surface-2); }
.toc a.is-active { color: var(--accent); border-left-color: var(--accent); border-radius: 0 8px 8px 0; }

.prose { max-width: 72ch; font-size: 16.5px; }
.prose h2 { font-size: 24px; letter-spacing: -0.025em; margin: 56px 0 16px; padding-top: 8px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 18px; margin: 32px 0 10px; letter-spacing: -0.015em; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; color: var(--text-2); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose li::marker { color: var(--accent); }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--accent); text-underline-offset: 3px; }
.prose table { width: 100%; border-collapse: collapse; margin: 8px 0 24px; font-size: 15px; }
.prose th, .prose td { text-align: left; padding: 12px 14px; vertical-align: top; }
.prose th { font-weight: 600; color: var(--text); background: var(--surface-2); }
.prose td { color: var(--text-2); border-bottom: 1px solid var(--line); }
.prose .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-inner); margin-bottom: 24px; }
.prose .table-wrap table { margin: 0; min-width: 560px; }
.prose .table-wrap tr:last-child td { border-bottom: 0; }

.callout {
  background: var(--accent-soft); border-radius: var(--radius-inner); padding: 20px 22px; margin: 0 0 24px;
  display: flex; gap: 14px; color: var(--text);
}
.callout i { color: var(--accent); font-size: 22px; flex-shrink: 0; margin-top: 1px; }
.callout p { margin: 0; color: var(--text); }

.steps { list-style: none; padding: 0 !important; counter-reset: step; display: grid; gap: 12px; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-inner); padding: 18px 20px 18px 64px; position: relative; margin: 0; }
.steps li::before {
  content: counter(step); position: absolute; left: 18px; top: 16px; width: 30px; height: 30px; border-radius: 999px;
  background: var(--accent); color: var(--on-accent); display: grid; place-items: center; font-weight: 600; font-size: 14px;
}

/* Dados a confirmar pela empresa antes de publicar */
.todo { background: #fff1b8; color: #5c4600; padding: 0 4px; border-radius: 4px; }
@media (prefers-color-scheme: dark) { .todo { background: #4a3c00; color: #ffe58a; } }

@media (max-width: 900px) {
  .legal { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-top: 32px; }
  .toc { position: static; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-inner); padding: 18px; }
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
  .reveal.is-in { opacity: 1; transform: none; }
  .hero .enter { opacity: 0; transform: translateY(16px); animation: enter .9s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 90ms + 80ms); }
  .stack .stack__item { opacity: 0; transform: translateY(20px) scale(.98); animation: enter .9s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 90ms + 260ms); }
}
@keyframes enter { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}