/* ============================================================
   DG HUB — Design System
   Palette: black canvas + DG purple gradient (#8838FB → #1F0242)
   Type: Space Grotesk (display) + Inter (body/UI)
   ============================================================ */

:root {
  /* Brand purples (extracted from official logos) */
  --purple-bright: #8838FB;
  --purple-base:   #7B24FA;
  --purple-mid:    #5F27E9;
  --purple-deep:   #4209B6;
  --purple-shadow: #1F0242;

  /* Canvas */
  --black:   #08060D;
  --ink-900: #0C0A14;
  --ink-800: #12101C;
  --ink-700: #191527;
  --ink-600: #241E38;
  --line:    rgba(136, 56, 251, 0.14);
  --line-soft: rgba(255,255,255,0.06);

  /* Text */
  --white:   #FFFFFF;
  --fog:     #C8C2D8;
  --muted:   #857E9C;
  --dim:     #5A5470;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #8838FB 0%, #5F27E9 55%, #4209B6 100%);
  --grad-brand-soft: linear-gradient(135deg, #9A55F8 0%, #6E38F0 100%);
  --grad-text: linear-gradient(120deg, #B98BFF 0%, #8838FB 50%, #6E38F0 100%);

  /* Glow */
  --glow-purple: 0 0 40px rgba(136, 56, 251, 0.35);
  --glow-soft:   0 0 60px rgba(136, 56, 251, 0.18);

  /* Type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Spacing rhythm */
  --container: 1200px;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--fog);
  line-height: 1.65;
  font-size: 17px;
  /* Containing block do véu de página (body::after), que precisa cobrir a
     altura do documento inteiro e não só a da janela. */
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Ambient background field */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 600px at 78% -5%, rgba(136,56,251,0.14), transparent 60%),
    radial-gradient(700px 700px at 8% 12%, rgba(66,9,182,0.12), transparent 55%),
    radial-gradient(1000px 800px at 50% 108%, rgba(94,39,233,0.10), transparent 60%);
  z-index: -2;
  pointer-events: none;
}

/* Véu contínuo do documento inteiro. Diferente do ::before (fixo, é
   "atmosfera"), este rola junto com a página e é o que costura as seções:
   as manchas roxas são posicionadas em % da altura total, então elas não
   têm relação nenhuma com onde uma <section> termina e a outra começa. É o
   que faz a home ler como um fluxo só em vez de blocos empilhados. */
body::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 62% 9%,  rgba(136,56,251,0.10), transparent 64%),
    radial-gradient(900px 700px at 18% 27%,  rgba(94,39,233,0.085), transparent 62%),
    radial-gradient(1000px 620px at 82% 46%, rgba(136,56,251,0.085), transparent 62%),
    radial-gradient(900px 640px at 22% 64%,  rgba(66,9,182,0.095), transparent 62%),
    radial-gradient(1100px 700px at 60% 84%, rgba(136,56,251,0.09), transparent 64%),
    linear-gradient(180deg,
      transparent 0%,
      rgba(31,2,66,0.10) 22%,
      rgba(31,2,66,0.05) 42%,
      rgba(31,2,66,0.12) 66%,
      rgba(31,2,66,0.06) 84%,
      rgba(31,2,66,0.16) 100%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--purple-bright);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, var(--purple-bright), transparent);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: -0.03em;
}
.section-lead {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--fog);
  max-width: 60ch;
  margin-top: 20px;
}

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 15px 28px;
  border-radius: 100px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
  white-space: nowrap;
  line-height: 1;
}
.btn svg { width: 17px; height: 17px; }

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(136,56,251,0.5);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px -10px rgba(136,56,251,0.65);
}

.btn-ghost {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  color: var(--white);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(136,56,251,0.5);
  background: rgba(136,56,251,0.08);
}

.btn-lg { padding: 18px 34px; font-size: 16px; }
.btn-xl { padding: 22px 42px; font-size: 17.5px; font-weight: 700; letter-spacing: -0.005em; }
.btn-xl svg { width: 19px; height: 19px; }

/* CTA principal: anel de energia pulsando, sem custo de layout */
.btn-beacon { position: relative; box-shadow: 0 16px 44px -10px rgba(136,56,251,0.7); }
.btn-beacon::after {
  content: "";
  position: absolute; inset: -2px;
  border-radius: 100px;
  pointer-events: none;
  animation: btn-beacon 2.8s var(--ease) infinite;
}
@keyframes btn-beacon {
  0%   { box-shadow: 0 0 0 0 rgba(136,56,251,0.55); }
  70%  { box-shadow: 0 0 0 20px rgba(136,56,251,0); }
  100% { box-shadow: 0 0 0 0 rgba(136,56,251,0); }
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: padding 0.4s var(--ease);
  padding: 20px 0;
}
/* Fundo/blur do header vive num ::before pra poder ter opacidade própria:
   na home ele acompanha o voo da logo (--nav-p, ver js/main.js) em vez de
   ligar de uma vez. Nas outras páginas --nav-p não existe e o fallback 1
   mantém o comportamento de sempre. */
.nav::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(8,6,13,0.82);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--line-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease);
}
.nav.scrolled::before { opacity: var(--nav-p, 1); }
.nav.scrolled { padding: 13px 0; }
.nav-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
/* Menu e CTA surgem junto com a logo pousando. A logo em si fica de fora
   disso: ela é o elemento que está voando. */
.nav nav,
.nav-cta { opacity: var(--nav-p, 1); transition: opacity 0.25s linear; }
.nav.nav-hidden nav,
.nav.nav-hidden .nav-cta { visibility: hidden; }
.nav-logo img { height: 34px; width: auto; transform-origin: left top; will-change: transform; }
/* Com JS a logo nasce ampliada dentro do hero e volta pro header conforme o
   scroll. Fica escondida até o primeiro posicionamento pra não piscar no
   cabeçalho; sem JS (ou com .logo-landed) ela é a logo normal de sempre. */
html.js .nav-logo { visibility: hidden; }
html.js.logo-ready .nav-logo { visibility: visible; }
/* Antes do primeiro paint do JS ninguém sabe o progresso ainda: segura o
   header apagado pra ele não piscar aceso no topo da home. */
html.js:not(.logo-ready) .nav nav,
html.js:not(.logo-ready) .nav-cta { opacity: 0; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--fog);
  padding: 9px 16px;
  border-radius: 100px;
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.04); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 44px; height: 44px;
  flex-direction: column; gap: 5px;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  width: 24px; height: 2px; background: #fff; border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Sections ---------- */
section { position: relative; }
.section-pad { padding: clamp(72px, 11vw, 140px) 0; }
.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(136,56,251,0.5), transparent);
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}
.divider-glow::after {
  content:"";
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width: 120px; height: 6px; border-radius: 50%;
  background: rgba(136,56,251,0.6);
  filter: blur(9px);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line-soft);
  padding: 72px 0 36px;
  background: linear-gradient(180deg, transparent, rgba(31,2,66,0.25));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
.footer-brand img { height: 40px; margin-bottom: 20px; }
.footer-brand p { color: var(--muted); font-size: 15px; max-width: 34ch; }
.footer-legal {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
  max-width: 34ch;
}
.footer-legal a { color: var(--dim); text-decoration: underline; text-underline-offset: 2px; transition: color 0.25s; }
.footer-legal a:hover { color: var(--purple-bright); }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 12.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--purple-bright); margin-bottom: 18px; font-weight: 600;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-col a { color: var(--fog); font-size: 14.5px; transition: color 0.25s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 28px; border-top: 1px solid var(--line-soft);
  gap: 20px; flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--dim); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--fog);
  transition: all 0.3s var(--ease);
}
.footer-social a:hover {
  color: #fff; border-color: rgba(136,56,251,0.6);
  background: rgba(136,56,251,0.12); transform: translateY(-3px);
}
.footer-social svg { width: 18px; height: 18px; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  display: grid; place-items: center;
  z-index: 90;
  box-shadow: 0 12px 30px -6px rgba(37,211,102,0.5);
  transition: transform 0.35s var(--ease);
  animation: wa-pulse 2.8s infinite;
}
.wa-float:hover { transform: scale(1.08) translateY(-2px); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 12px 30px -6px rgba(37,211,102,0.5), 0 0 0 0 rgba(37,211,102,0.4); }
  50% { box-shadow: 0 12px 30px -6px rgba(37,211,102,0.5), 0 0 0 14px rgba(37,211,102,0); }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* Mobile menu panel */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(8,6,13,0.97);
  backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 40px;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
}
.mobile-menu.open { transform: none; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  color: #fff;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu .btn { margin-top: 24px; justify-content: center; }