/* =========================================================
   RALS HUB — Limits are Choices.
   Identidade: Roxo #7200D4 · Branco #FFFFFF · Grafite #22242B · Cinza #8A8F98
   ========================================================= */

:root {
  --roxo: #7200D4;
  --roxo-escuro: #5A00A8;
  --roxo-claro: #B57BFF;
  --lilas: #F3ECFC;
  --branco: #FFFFFF;
  --grafite: #22242B;
  --cinza: #8A8F98;
  --linha: #E4E5E9;
  --raio: 12px;
  --max: 1180px;
  --header: 76px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header); }
body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--grafite);
  background: var(--branco);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -.025em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--roxo-claro); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--grafite); color: #fff; padding: 8px 14px; z-index: 200; border-radius: 6px; }
.skip:focus { left: 8px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 860px; }
.accent { color: var(--roxo); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--roxo); color: #fff; }
.btn--primary:hover { background: var(--roxo-escuro); }
.btn--white { background: #fff; color: var(--roxo); }
.btn--outline { border-color: rgba(255,255,255,.7); color: #fff; }
.btn--outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--full { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* ---------- Cabeçalho ---------- */
.header {
  position: fixed; inset: 0 0 auto; height: var(--header); z-index: 100;
  transition: background .3s, box-shadow .3s;
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.header__logo { position: relative; display: block; width: 120px; height: 49px; }
.header__logo img { position: absolute; inset: 0; width: 120px; height: auto; transition: opacity .3s; }
.logo-dark { opacity: 0; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a:not(.btn) { text-decoration: none; font-weight: 600; font-size: 15px; color: #fff; opacity: .9; transition: opacity .2s, color .3s; }
.nav a:not(.btn):hover { opacity: 1; }
.nav__cta { padding: 10px 20px; background: #fff; color: var(--roxo); }

.header.is-solid { background: rgba(255,255,255,.96); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--linha); }
.header.is-solid .logo-light { opacity: 0; }
.header.is-solid .logo-dark { opacity: 1; }
.header.is-solid .nav a:not(.btn) { color: var(--grafite); }
.header.is-solid .nav__cta { background: var(--roxo); color: #fff; }

.burger { display: none; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 2px; background: #fff; margin: 6px 0; border-radius: 2px; transition: transform .3s, opacity .3s, background .3s; }
.header.is-solid .burger span { background: var(--grafite); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Anéis decorativos (o círculo da marca) ---------- */
.rings { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.rings i { position: absolute; border: 1.5px solid rgba(255,255,255,.12); border-radius: 50%; right: -18vw; top: 50%; transform: translateY(-50%); }
.rings i:nth-child(1) { width: 90vw; height: 90vw; max-width: 1200px; max-height: 1200px; }
.rings i:nth-child(2) { width: 62vw; height: 62vw; max-width: 840px; max-height: 840px; right: -4vw; }
.rings i:nth-child(3) { width: 34vw; height: 34vw; max-width: 460px; max-height: 460px; right: 10vw; animation: pulse 6s ease-in-out infinite; }
.rings--left i { right: auto; left: -30vw; }
.rings--left i:nth-child(2) { left: -14vw; right: auto; }
@keyframes pulse { 50% { transform: translateY(-50%) scale(1.04); border-color: rgba(255,255,255,.2); } }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center;
  background: var(--roxo); color: #fff; overflow: hidden; padding: calc(var(--header) + 40px) 0 80px;
}
.hero__inner { position: relative; }
.hero__logo { width: clamp(160px, 22vw, 260px); height: auto; margin-bottom: 48px; }
.hero__title { font-size: clamp(56px, 11vw, 148px); font-weight: 800; line-height: .94; letter-spacing: -.045em; margin-bottom: 28px; }
.hero__sub { font-size: clamp(18px, 2vw, 22px); max-width: 560px; opacity: .85; margin-bottom: 40px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__scroll { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.5); border-radius: 20px; }
.hero__scroll span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; background: #fff; border-radius: 2px; animation: scroll 1.8s infinite; }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- Seções ---------- */
.section { position: relative; padding: clamp(80px, 11vw, 140px) 0; overflow: hidden; }
.section--soft { background: #FAF8FD; }
.section--purple { background: var(--roxo); color: #fff; }
.section--dark { background: var(--grafite); color: #fff; }

.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--roxo); margin-bottom: 22px; }
.eyebrow::before { content: ''; width: 34px; height: 2px; background: currentColor; }
.eyebrow--light { color: #fff; }
.section--dark .eyebrow--light::before { background: var(--roxo-claro); }
.title { font-size: clamp(36px, 5vw, 60px); font-weight: 800; margin-bottom: 48px; }
.lead { font-size: clamp(19px, 1.8vw, 22px); line-height: 1.5; font-weight: 500; }

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.split .title { margin-bottom: 0; }

/* Pilares */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 72px; }
.pillar { border-radius: var(--raio); padding: 36px 32px 40px; min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; transition: transform .3s var(--ease); }
.pillar:hover { transform: translateY(-4px); }
.pillar h3 { font-size: 24px; font-weight: 700; }
.pillar--light { background: var(--lilas); }
.pillar--purple { background: var(--roxo); color: #fff; }
.pillar--dark { background: var(--grafite); color: #fff; }
.tag { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; background: #fff; color: var(--roxo); }
.pillar--purple .tag { background: rgba(255,255,255,.18); color: #fff; }
.pillar--dark .tag { background: rgba(255,255,255,.1); color: #fff; }

.positioning { margin-top: 20px; background: var(--grafite); color: #fff; border-radius: var(--raio); padding: 48px; }
.positioning p { font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; line-height: 1.3; letter-spacing: -.015em; margin: 0; max-width: 900px; }
.positioning em { font-style: normal; color: var(--roxo-claro); }

/* Arquitetura */
.arch { display: flex; flex-direction: column; align-items: center; }
.arch__root { background: var(--roxo); border-radius: var(--raio); padding: 22px 40px; }
.arch__root img { width: 110px; height: auto; }
.arch__lines { position: relative; width: 66.6%; height: 48px; }
.arch__lines::before { content: ''; position: absolute; left: 50%; top: 0; height: 24px; border-left: 2px solid var(--roxo); }
.arch__lines::after { content: ''; position: absolute; left: 0; right: 0; top: 24px; height: 24px; border: 2px solid var(--roxo); border-bottom: 0; border-radius: 8px 8px 0 0; }

.units { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.unit { background: #fff; border: 2px solid var(--roxo); border-radius: var(--raio); padding: 36px 32px; display: flex; flex-direction: column; transition: transform .3s var(--ease), box-shadow .3s; }
.unit:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -24px rgba(114,0,212,.35); }
.unit--purple { background: var(--roxo); color: #fff; }
.unit--dark { background: var(--grafite); color: #fff; border-color: var(--grafite); }
.unit__icon svg { width: 48px; height: 48px; fill: none; stroke: var(--roxo); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 28px; }
.unit--purple .unit__icon svg { stroke: #fff; }
.unit--dark .unit__icon svg { stroke: var(--roxo-claro); }
.unit__kicker { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cinza); margin-bottom: 8px; }
.unit--purple .unit__kicker, .unit--dark .unit__kicker { color: rgba(255,255,255,.65); }
.unit h3 { font-size: 30px; font-weight: 800; margin-bottom: 16px; }
.unit h3 span { color: var(--roxo); }
.unit--purple h3 span { color: #fff; }
.unit--dark h3 span { color: var(--roxo-claro); }
.unit p { font-size: 15.5px; opacity: .85; }
.unit ul { list-style: none; padding: 0; margin: auto 0 0; display: flex; flex-wrap: wrap; gap: 8px; padding-top: 12px; }
.unit li { font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 999px; background: var(--lilas); color: var(--roxo); }
.unit--purple li { background: rgba(255,255,255,.16); color: #fff; }
.unit--dark li { background: rgba(255,255,255,.08); color: #fff; }
.unit__note { display: block; margin-top: 18px; font-size: 13px; opacity: .6; }

/* Propósito */
.purpose { font-size: clamp(34px, 5.4vw, 68px); font-weight: 800; max-width: 1000px; margin-bottom: 80px; position: relative; }
.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; border-top: 1px solid rgba(255,255,255,.3); padding-top: 48px; position: relative; }
.mv h3 { font-size: 14px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 14px; opacity: .8; }
.mv p { font-size: 19px; line-height: 1.55; margin: 0; }

/* Valores */
.values { display: grid; grid-template-columns: 1fr 1fr; column-gap: 64px; }
.value { display: flex; gap: 28px; padding: 30px 0; border-top: 1px solid var(--linha); }
.value b { font-size: 36px; font-weight: 800; color: var(--roxo); line-height: 1; width: 56px; flex: none; letter-spacing: -.04em; }
.value h3 { font-size: 22px; margin-bottom: 6px; }
.value p { margin: 0; color: #555a64; }

/* Manifesto */
.manifesto p { font-size: clamp(19px, 2vw, 23px); line-height: 1.6; color: rgba(255,255,255,.78); margin-bottom: 26px; }
.manifesto .manifesto__open { font-size: clamp(30px, 4vw, 48px); font-weight: 800; color: #fff; line-height: 1.15; letter-spacing: -.025em; margin-bottom: 48px; }
.manifesto .manifesto__hl { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--roxo-claro); }
.manifesto .manifesto__strong { color: #fff; font-weight: 700; }
.manifesto .manifesto__sign { margin-top: 56px; font-size: clamp(24px, 2.6vw, 30px); font-weight: 800; color: #fff; }
.manifesto__sign span { color: var(--roxo-claro); }

/* CTA */
.cta { background: var(--roxo); color: #fff; padding: 88px 0; }
.cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(30px, 3.6vw, 46px); font-weight: 800; max-width: 720px; }

/* Contato */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: start; }
.contact .title { margin-bottom: 24px; }
.contact__list { list-style: none; padding: 0; margin: 40px 0 0; }
.contact__list li { padding: 18px 0; border-top: 1px solid var(--linha); font-weight: 600; }
.contact__list span { display: block; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cinza); margin-bottom: 4px; }
.contact__list a { text-decoration: none; color: var(--roxo); }
.contact__list a:hover { text-decoration: underline; }

.form { background: #FAF8FD; border: 1px solid var(--linha); border-radius: var(--raio); padding: 40px; display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 8px; font-size: 14px; font-weight: 600; }
.form input, .form select, .form textarea {
  font: inherit; font-size: 16px; font-weight: 400; color: var(--grafite);
  padding: 13px 15px; border: 1.5px solid var(--linha); border-radius: 10px; background: #fff;
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.form textarea { resize: vertical; min-height: 130px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--roxo); box-shadow: 0 0 0 4px rgba(114,0,212,.12); }
.form .is-invalid { border-color: #D92D5B; }
.form .erro { font-size: 13px; color: #D92D5B; font-weight: 500; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__status { margin: 0; font-size: 15px; font-weight: 600; min-height: 1.4em; }
.form__status.ok { color: #138A52; }
.form__status.err { color: #D92D5B; }

/* Rodapé */
.footer { background: var(--grafite); color: #fff; padding: 80px 0 32px; }
.footer__top { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer__top img { width: 150px; height: auto; }
.footer__slogan { margin: 18px 0 0; font-weight: 700; font-size: 18px; }
.footer__sign { color: rgba(255,255,255,.65); line-height: 1.9; margin: 0; }
.footer__nav { display: grid; gap: 10px; }
.footer__nav a { text-decoration: none; color: rgba(255,255,255,.8); font-weight: 600; }
.footer__nav a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; font-size: 13px; color: rgba(255,255,255,.5); }

/* ---------- Animação de entrada ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .rings i, .hero__scroll span { animation: none; }
}

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .split, .contact, .mv { grid-template-columns: 1fr; gap: 40px; }
  .pillars, .units { grid-template-columns: 1fr; }
  .arch { display: none; }
  .values { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header) 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 12px 24px 28px; box-shadow: 0 20px 40px -20px rgba(0,0,0,.25);
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .25s var(--ease);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { color: var(--grafite) !important; padding: 14px 0; border-bottom: 1px solid var(--linha); font-size: 17px; }
  .nav__cta { margin-top: 18px; background: var(--roxo) !important; color: #fff !important; }
  .header.menu-open { background: #fff; }
  .header.menu-open .logo-light { opacity: 0; }
  .header.menu-open .logo-dark { opacity: 1; }
  .header.menu-open .burger span { background: var(--grafite); }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .form { padding: 24px; }
  .form__row { grid-template-columns: 1fr; }
  .positioning { padding: 32px 24px; }
  .hero__actions .btn { width: 100%; }
  .cta__inner .btn { width: 100%; }
}