/* =========================================================
   YLA Nexus — nexus.css  (subpágina de produtos digitais)
   Herda variáveis e base de style.css
   ========================================================= */

/* =========================================================
   MOBILE MENU
   ========================================================= */

/* Oculta o menu mobile por padrão */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-h));
  background: rgba(10,10,10,.98);
  backdrop-filter: blur(14px);
  flex-direction: column;
  align-items: flex-start;
  padding: 2rem 2rem 3rem;
  gap: 0;
  z-index: 999;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.35s ease;
}

.mobile-menu.open {
  display: flex;
  transform: translateX(0);
}

.mobile-menu__close {
  align-self: flex-end;
  background: none;
  border: 1px solid var(--border);
  color: var(--grey-light);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  margin-bottom: 2rem;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-menu__close:hover { color: var(--gold); border-color: var(--gold); }

.mobile-menu__links {
  list-style: none;
  width: 100%;
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--border-subtle);
}
.mobile-menu__links li {
  border-bottom: 1px solid var(--border-subtle);
}
.mobile-menu__links a {
  display: block;
  padding: 1.1rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--grey-light);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-menu__links a:hover { color: var(--gold); padding-left: .5rem; }

.mobile-menu__cta {
  margin-top: 2rem;
  width: 100%;
  justify-content: center;
}

/* Overlay escuro atrás do menu */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 998;
}
.mobile-overlay.open { display: block; }

/* Hambúrguer — só visível em mobile */
.hamburger { display: none; }

@media (max-width: 900px) {
  .hamburger { display: flex; }
  /* Oculta nav-links e CTA do header em mobile */
  .nav-container .nav-links { display: none; }
  .nav-container > .btn.nav-cta { display: none; }
}

/* ----- Hero Nexus ----- */
.nexus-hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  padding-top: var(--header-h);
  overflow: hidden;
}

.nexus-hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  will-change: transform;
  /* Fallback elegante */
  background-color: var(--graphite);
  background-image:
    radial-gradient(ellipse at 65% 40%, rgba(212,175,55,.07) 0%, transparent 55%),
    repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(212,175,55,.025) 50px, rgba(212,175,55,.025) 51px),
    repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(212,175,55,.025) 50px, rgba(212,175,55,.025) 51px);
}

.nexus-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10,10,10,.97) 0%,
    rgba(10,10,10,.9) 50%,
    rgba(10,10,10,.75) 100%
  );
}

.nexus-hero .container { position: relative; z-index: 2; }

.nexus-hero__content {
  max-width: 760px;
  padding: 4rem 0;
  text-align: center;
  margin: 0 auto;
}

/* Logo YLA Nexus */
.nexus-hero__logo-wrap {
  display: flex; justify-content: center;
  margin-bottom: 1.5rem;
}

.nexus-hero__logo {
  height: 90px; width: auto; object-fit: contain;
  filter: drop-shadow(0 0 16px rgba(212,175,55,.25));
}

.nexus-hero__logo-fallback {
  display: flex; align-items: baseline; gap: .2rem;
}
.nexus-brand-yla {
  font-family: var(--font-serif); font-size: 3.5rem; font-weight: 700;
  color: var(--gold); letter-spacing: .08em;
  text-shadow: 0 0 30px rgba(212,175,55,.4);
}
.nexus-brand-nexus {
  font-family: var(--font-serif); font-size: 3.5rem; font-weight: 300;
  color: var(--white); letter-spacing: .04em;
}

.nexus-hero__badge {
  display: inline-flex; align-items: center; gap: .6rem;
  background: rgba(212,175,55,.08);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: .4rem 1rem;
  font-size: .78rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--grey-light);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
  animation: pulse-anim 2s infinite;
}
.pulse-dot--green { background: #4caf50; }
.pulse-dot--gold  { background: var(--gold); }

@keyframes pulse-anim {
  0%,100% { box-shadow: 0 0 0 0 rgba(212,175,55,.6); }
  50%      { box-shadow: 0 0 0 6px rgba(212,175,55,0); }
}

.nexus-hero__headline {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 600; line-height: 1.2;
  margin-bottom: 1.2rem;
}

.nexus-hero__sub {
  font-size: 1.05rem; color: var(--grey-text);
  max-width: 620px; margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.nexus-hero__cta {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: center;
}

.nexus-hero__back {
  margin-top: 2rem;
}
.nexus-hero__back a {
  font-size: .82rem; color: var(--grey-text);
  display: inline-flex; align-items: center; gap: .4rem;
  transition: color var(--transition);
}
.nexus-hero__back a:hover { color: var(--gold); }

/* ----- Featured: WhatsApp ----- */
.nexus-featured__badge {
  text-align: center; margin-bottom: 2rem;
}
.nexus-featured__badge {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  color: var(--gold); font-size: .82rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
}
.nexus-featured__badge i { font-size: .9rem; }

.nexus-featured__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}

.nexus-featured__icon-wrap {
  width: 80px; height: 80px; border-radius: var(--radius-lg);
  background: rgba(37,211,102,.12);
  border: 1px solid rgba(37,211,102,.35);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.8rem auto;   /* centralizado horizontalmente */
  box-shadow: 0 0 28px rgba(37,211,102,.15);
  transition: box-shadow var(--transition), transform var(--transition);
}
.nexus-featured__icon-wrap:hover {
  transform: scale(1.06);
  box-shadow: 0 0 40px rgba(37,211,102,.28);
}
.nexus-featured__icon-wrap .fab.fa-whatsapp {
  font-size: 2.4rem; color: #25d366;
}

/* Centraliza texto e tag da coluna de info quando ícone está centrado */
.nexus-featured__info {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.nexus-featured__info .section-tag { align-self: center; }
.nexus-featured__info .section-title { text-align: center; }
.nexus-featured__info .nexus-featured__desc { text-align: left; }
.nexus-featured__info .product-pills { justify-content: center; }
.nexus-featured__info .nexus-feature-list { align-self: stretch; text-align: left; }
.nexus-featured__info .nexus-featured__cta-group { justify-content: center; }

.nexus-featured__desc {
  color: var(--grey-light); font-size: .95rem;
  line-height: 1.8; margin-bottom: 1.5rem;
}

.nexus-feature-list {
  display: flex; flex-direction: column; gap: .55rem;
  margin-bottom: 2rem;
}
.nexus-feature-list li {
  display: flex; align-items: center; gap: .75rem;
  font-size: .9rem; color: var(--grey-light);
}
.nexus-feature-list i { color: var(--gold); font-size: .8rem; flex-shrink: 0; }

/* Chat mockup */
.chat-mockup {
  background: var(--graphite-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(212,175,55,.08);
  max-width: 380px;
  margin: 0 auto;
}

.chat-mockup__header {
  display: flex; align-items: center; gap: .85rem;
  background: #1f3329;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.chat-mockup__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.1rem; flex-shrink: 0;
}
.chat-mockup__name { font-size: .88rem; font-weight: 600; color: var(--white); }
.chat-mockup__status { display: flex; align-items: center; gap: .4rem; font-size: .75rem; color: #a8d8aa; }
.online-dot { width: 6px; height: 6px; border-radius: 50%; background: #25d366; flex-shrink: 0; animation: pulse-anim 2s infinite; }

.chat-mockup__body {
  padding: 1.2rem; min-height: 280px;
  display: flex; flex-direction: column; gap: .75rem;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat-msg {
  max-width: 80%;
  padding: .65rem 1rem;
  border-radius: 12px;
  font-size: .83rem; line-height: 1.5;
  transition: opacity .4s ease;
}
.chat-msg--bot {
  background: var(--graphite-2);
  border-radius: 2px 12px 12px 12px;
  color: var(--grey-light);
  align-self: flex-start;
}
.chat-msg--user {
  background: rgba(212,175,55,.15);
  border: 1px solid rgba(212,175,55,.2);
  border-radius: 12px 2px 12px 12px;
  color: var(--white);
  align-self: flex-end;
}

.chat-mockup__footer {
  display: flex; align-items: center; gap: .75rem;
  padding: .8rem 1rem;
  background: var(--graphite-2);
  border-top: 1px solid rgba(255,255,255,.06);
}
.chat-mockup__footer span { flex: 1; font-size: .78rem; color: var(--grey-text); }
.chat-mockup__footer button {
  background: var(--gold); color: var(--black); border: none;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
}

/* ----- Process steps ----- */
.process-steps {
  display: flex; align-items: center; flex-wrap: wrap; gap: .5rem;
}
.process-step {
  flex: 1; min-width: 160px;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.process-step:hover { transform: translateY(-5px); border-color: rgba(212,175,55,.45); }
.process-step__num {
  font-family: var(--font-serif); font-size: 2rem; font-weight: 700;
  color: rgba(212,175,55,.2); margin-bottom: .5rem;
}
.process-step__icon {
  font-size: 1.6rem; color: var(--gold); margin-bottom: .75rem;
}
.process-step h3 { font-family: var(--font-serif); font-size: 1rem; margin-bottom: .5rem; color: var(--gold); }
.process-step p { font-size: .85rem; color: var(--grey-text); line-height: 1.6; }

.process-arrow {
  color: rgba(212,175,55,.4); font-size: 1.2rem;
  flex-shrink: 0;
}

/* ----- Benefits ----- */
.benefits-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 1.5rem;
}
.benefit-card {
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: transform var(--transition), border-color var(--transition);
}
.benefit-card:hover { transform: translateY(-4px); border-color: rgba(212,175,55,.4); }
.benefit-card i { font-size: 1.8rem; color: var(--gold); margin-bottom: 1rem; display: block; }
.benefit-card h3 { font-family: var(--font-serif); font-size: 1rem; margin-bottom: .5rem; }
.benefit-card p { font-size: .88rem; color: var(--grey-text); line-height: 1.6; }

/* ----- Use cases ----- */
.use-cases-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 1.5rem;
}
.use-case {
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: transform var(--transition), border-color var(--transition);
}
.use-case:hover { transform: translateY(-4px); border-color: rgba(212,175,55,.4); }
.use-case i { font-size: 1.5rem; color: var(--gold); margin-bottom: 1rem; display: block; }
.use-case h3 { font-family: var(--font-serif); font-size: .98rem; margin-bottom: .5rem; }
.use-case p { font-size: .88rem; color: var(--grey-text); line-height: 1.6; }

/* ----- Pipeline / Produtos ----- */
.pipeline-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.pipeline-card {
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex; flex-direction: column; gap: .75rem;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.pipeline-card:hover { transform: translateY(-5px); }

.pipeline-card--available {
  border-color: rgba(212,175,55,.5);
  background: linear-gradient(145deg, var(--graphite-2), rgba(212,175,55,.03));
}
.pipeline-card--available:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,.4), 0 0 20px rgba(212,175,55,.1);
}
.pipeline-card--soon { opacity: .75; }
.pipeline-card--soon:hover { opacity: 1; border-color: rgba(212,175,55,.35); }
.pipeline-card--custom { border-style: dashed; border-color: rgba(212,175,55,.3); }
.pipeline-card--custom:hover { border-style: dashed; border-color: rgba(212,175,55,.6); }

.pipeline-card__status {
  display: flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--grey-text);
}
.pipeline-card__status--live { color: #4caf50; }
.pipeline-card__status--custom { color: var(--gold); }

.pipeline-card__icon {
  width: 52px; height: 52px;
  background: rgba(212,175,55,.08);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--gold);
}

.pipeline-card h3 { font-family: var(--font-serif); font-size: 1.05rem; }
.pipeline-card p { font-size: .87rem; color: var(--grey-text); line-height: 1.6; flex: 1; }

.pipeline-note {
  display: flex; align-items: flex-start; gap: .75rem;
  background: rgba(212,175,55,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-size: .85rem; color: var(--grey-text);
}
.pipeline-note i { color: var(--gold); margin-top: .1rem; flex-shrink: 0; }

/* ----- Activation Modal ----- */
.activation-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.8);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
}

.activation-modal {
  background: var(--graphite-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 440px; width: 100%;
  text-align: center;
  position: relative;
}

.activation-modal__close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; color: var(--grey-text);
  font-size: 1.2rem; cursor: pointer;
  transition: color var(--transition);
}
.activation-modal__close:hover { color: var(--gold); }

.activation-modal__icon {
  font-size: 3rem; color: #25d366;
  margin-bottom: 1rem; display: block;
}

.activation-modal h3 {
  font-family: var(--font-serif); font-size: 1.3rem;
  margin-bottom: .75rem;
}
.activation-modal p {
  font-size: .88rem; color: var(--grey-text);
  margin-bottom: .5rem; line-height: 1.6;
}

.activation-modal__inputs {
  display: flex; flex-direction: column; gap: .6rem;
  margin: 1.2rem 0;
}
.activation-modal__inputs input {
  width: 100%; padding: .75rem 1rem;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white); font-family: var(--font-sans); font-size: .88rem;
  transition: border-color var(--transition);
  text-align: left;
}
.activation-modal__inputs input:focus { outline: none; border-color: var(--gold); }

.activation-modal__submit { width: 100%; justify-content: center; margin-bottom: 1rem; }

.activation-modal__alt { border-top: 1px solid var(--border); padding-top: 1rem; }
.activation-modal__alt p { font-size: .82rem; color: var(--grey-text); margin-bottom: .6rem; }

.activation-modal__success {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.activation-modal__success i { font-size: 3rem; color: #4caf50; }
.activation-modal__success h3 { font-family: var(--font-serif); font-size: 1.3rem; color: var(--gold); }
.activation-modal__success p { font-size: .9rem; color: var(--grey-text); }

/* ----- Notify Modal ----- */
.notify-modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  z-index: 2000;
  display: flex !important; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.notify-modal[style*="display:none"] { display: none !important; }

.notify-modal__box {
  background: var(--graphite-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 400px; width: 100%;
  text-align: center;
  position: relative;
}
.notify-modal__close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; color: var(--grey-text);
  font-size: 1.2rem; cursor: pointer;
  transition: color var(--transition);
}
.notify-modal__close:hover { color: var(--gold); }
.notify-modal__icon { font-size: 2.5rem; color: var(--gold); margin-bottom: 1rem; display: block; }
.notify-modal__box h3 { font-family: var(--font-serif); font-size: 1.2rem; margin-bottom: .5rem; }
.notify-modal__box p { font-size: .9rem; color: var(--grey-text); margin-bottom: 1.5rem; }
.notify-modal__box input {
  width: 100%; padding: .75rem 1rem;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white); font-family: var(--font-sans); font-size: .9rem;
  margin-bottom: 1rem;
  transition: border-color var(--transition);
}
.notify-modal__box input:focus { outline: none; border-color: var(--gold); }
.notify-modal__box .btn { width: 100%; justify-content: center; }

/* =========================================
   Hero trust bar
   ========================================= */
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 1.2rem;
  justify-content: center;
  margin-top: 1.8rem;
}
.hero-trust span {
  display: flex; align-items: center; gap: .4rem;
  font-size: .8rem; color: var(--grey-text);
  font-weight: 500;
}
.hero-trust i { color: var(--gold); font-size: .85rem; }

/* =========================================
   Seção de Problema
   ========================================= */
.problem-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 1.5rem; margin-bottom: 2rem;
}
.problem-card {
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: transform var(--transition), border-color var(--transition);
}
.problem-card:hover { transform: translateY(-4px); border-color: rgba(212,175,55,.3); }
.problem-card__icon {
  width: 44px; height: 44px; border-radius: var(--radius);
  background: rgba(200,50,50,.1); color: #e05555;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; margin-bottom: 1rem;
  border: 1px solid rgba(200,50,50,.2);
}
.problem-card h3 { font-family: var(--font-serif); font-size: 1rem; margin-bottom: .5rem; }
.problem-card p { font-size: .88rem; color: var(--grey-text); line-height: 1.6; }

.problem-conclusion {
  display: flex; align-items: center; gap: 1rem;
  text-align: center; justify-content: center;
  padding: 1.5rem 2rem;
  border: 1px solid rgba(212,175,55,.25);
  border-radius: var(--radius-lg);
  background: rgba(212,175,55,.04);
}
.problem-conclusion i { color: var(--gold); font-size: 1.4rem; flex-shrink: 0; }
.problem-conclusion p { font-size: 1.05rem; color: var(--grey-light); margin: 0; }
.problem-conclusion strong { color: var(--gold); }

/* =========================================
   Solução intro
   ========================================= */
.solution-intro {
  text-align: center; margin-bottom: 3.5rem;
}
.solution-intro__sub {
  font-size: 1.05rem; color: var(--grey-text);
  max-width: 620px; margin: 0 auto;
  line-height: 1.7;
}

/* =========================================
   Vídeo demonstrativo
   ========================================= */
.video-section { text-align: center; }
.video-wrapper { max-width: 780px; margin: 0 auto; }

.video-placeholder {
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition);
}
.video-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(212,175,55,.06) 0%, transparent 70%);
}
.video-placeholder:hover { border-color: rgba(212,175,55,.45); }
.video-placeholder:hover .video-play-btn { transform: scale(1.1); box-shadow: 0 0 40px rgba(212,175,55,.5); }

.video-placeholder__inner {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  position: relative; z-index: 1;
}

.video-play-btn {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--gold); color: var(--black);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 0 12px rgba(212,175,55,.12);
}
.video-play-btn i { margin-left: 4px; }

.video-placeholder__label {
  font-family: var(--font-serif); font-size: 1rem;
  color: var(--grey-light);
}
.video-placeholder__sub {
  font-size: .8rem; color: var(--grey-text);
  background: rgba(212,175,55,.07);
  border: 1px solid var(--border);
  border-radius: 100px; padding: .3rem .9rem;
}

.video-embed iframe {
  width: 100%; aspect-ratio: 16/9; border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* =========================================
   Para quem é
   ========================================= */
.audience-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 1.5rem;
}
.audience-card {
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.8rem;
  transition: transform var(--transition), border-color var(--transition);
}
.audience-card:hover { transform: translateY(-5px); border-color: rgba(212,175,55,.4); }
.audience-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  background: rgba(212,175,55,.08); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1.2rem;
  border: 1px solid var(--border);
}
.audience-card h3 { font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: .6rem; }
.audience-card p { font-size: .88rem; color: var(--grey-text); line-height: 1.6; }

/* =========================================
   Planos / Preços
   ========================================= */
.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 1.5rem; align-items: start;
  margin-bottom: 2rem;
}

.pricing-card {
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: flex; flex-direction: column; gap: 1.2rem;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212,175,55,.4);
}

.pricing-card--featured {
  border-color: var(--gold);
  background: linear-gradient(160deg, var(--graphite-2) 0%, rgba(212,175,55,.04) 100%);
  transform: scale(1.02);
}
.pricing-card--featured:hover {
  transform: scale(1.02) translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 30px rgba(212,175,55,.15);
}

.pricing-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--black);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem 1rem; border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__header { text-align: center; }
.pricing-card__name {
  font-family: var(--font-serif); font-size: 1.4rem; font-weight: 700;
  color: var(--gold); display: block; margin-bottom: .5rem;
}
.pricing-card__desc { font-size: .85rem; color: var(--grey-text); line-height: 1.5; }

.pricing-card__price {
  text-align: center;
  display: flex; align-items: flex-start; justify-content: center;
  gap: .2rem; line-height: 1;
}
.pricing-card__currency { font-size: 1.1rem; color: var(--grey-light); margin-top: .3rem; }
.pricing-card__value { font-family: var(--font-serif); font-size: 3rem; font-weight: 700; color: var(--white); }
.pricing-card__period { font-size: .85rem; color: var(--grey-text); align-self: flex-end; margin-bottom: .4rem; }

.pricing-card__price--custom { align-items: center; }
.pricing-card__custom {
  font-family: var(--font-serif); font-size: 1.6rem; font-weight: 600;
  color: var(--gold);
}

.pricing-card__features {
  display: flex; flex-direction: column; gap: .55rem;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
  flex: 1;
}
.pricing-card__features li {
  display: flex; align-items: center; gap: .6rem;
  font-size: .88rem; color: var(--grey-light);
}
.pricing-card__features i { color: var(--gold); font-size: .75rem; flex-shrink: 0; }

.pricing-card .btn { width: 100%; justify-content: center; }

.pricing-note {
  display: flex; align-items: flex-start; gap: .75rem;
  background: rgba(212,175,55,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-size: .85rem; color: var(--grey-text);
}
.pricing-note i { color: var(--gold); margin-top: .1rem; flex-shrink: 0; }
.pricing-note strong { color: var(--gold); }

/* =========================================
   Garantia
   ========================================= */
.guarantee-section { }
.guarantee-box {
  display: flex; align-items: center; gap: 3rem;
  background: var(--graphite);
  border: 1px solid rgba(212,175,55,.35);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  position: relative; overflow: hidden;
}
.guarantee-box::before {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  background: rgba(212,175,55,.04);
  pointer-events: none;
}
.guarantee-box__icon {
  width: 100px; height: 100px; border-radius: 50%; flex-shrink: 0;
  background: rgba(212,175,55,.1);
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--gold);
  box-shadow: 0 0 30px rgba(212,175,55,.2);
}
.guarantee-box__content .section-title { font-size: clamp(1.4rem, 2.5vw, 2rem); }
.guarantee-box__content p { color: var(--grey-text); line-height: 1.7; margin-bottom: .75rem; }

.guarantee-badges {
  display: flex; flex-wrap: wrap; gap: .6rem;
  margin-top: 1.2rem;
}
.guarantee-badge {
  display: flex; align-items: center; gap: .4rem;
  background: rgba(212,175,55,.08);
  border: 1px solid rgba(212,175,55,.25);
  border-radius: 100px;
  padding: .35rem .9rem;
  font-size: .8rem; font-weight: 600;
  color: var(--grey-light);
}
.guarantee-badge i { color: var(--gold); font-size: .78rem; }

/* =========================================
   Curadoria de Dúvidas
   ========================================= */
.curadoria-section { }

.curadoria-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.curadoria-card {
  background: var(--graphite);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.curadoria-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(to bottom, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.curadoria-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212,175,55,.4);
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.curadoria-card:hover::before { opacity: 1; }

/* Quinta pergunta ocupa linha inteira */
.curadoria-grid .curadoria-card:last-child {
  grid-column: 1 / -1;
}

.curadoria-card__num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: rgba(212,175,55,.15);
  line-height: 1;
  flex-shrink: 0;
  min-width: 52px;
  text-align: center;
  transition: color var(--transition);
}
.curadoria-card:hover .curadoria-card__num {
  color: rgba(212,175,55,.35);
}

.curadoria-card__body {
  display: flex; flex-direction: column; gap: .75rem;
  flex: 1;
}

.curadoria-card__body h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  display: flex; align-items: flex-start; gap: .5rem;
}
.curadoria-card__body h3 i {
  color: var(--gold);
  font-size: .85rem;
  flex-shrink: 0;
  margin-top: .2rem;
}

.curadoria-card__body p {
  font-size: .88rem;
  color: var(--grey-text);
  line-height: 1.7;
}
.curadoria-card__body strong { color: var(--grey-light); }

.curadoria-card__tag {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: rgba(212,175,55,.07);
  border: 1px solid rgba(212,175,55,.2);
  border-radius: 100px;
  padding: .3rem .85rem;
  font-size: .75rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .05em;
  align-self: flex-start;
}
.curadoria-card__tag i { font-size: .75rem; }
.curadoria-card__tag--payment {
  gap: .6rem;
}
.tag-divider {
  color: rgba(212,175,55,.4);
  font-size: .7rem;
}

/* CTA inferior da curadoria */
.curadoria-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: 2rem;
  border: 1px dashed rgba(212,175,55,.25);
  border-radius: var(--radius-lg);
  background: rgba(212,175,55,.02);
}
.curadoria-cta p {
  font-size: .95rem;
  color: var(--grey-text);
  margin: 0;
}

/* =========================================
   FAQ
   ========================================= */
.faq-list {
  max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; gap: .6rem;
}

.faq-item {
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: rgba(212,175,55,.4); }

.faq-question {
  width: 100%; background: none; border: none;
  padding: 1.3rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-family: var(--font-sans); font-size: .95rem; font-weight: 500;
  color: var(--white); text-align: left; cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--gold); }
.faq-question[aria-expanded="true"] { color: var(--gold); }

.faq-icon {
  color: var(--gold); font-size: .85rem; flex-shrink: 0;
  transition: transform .3s ease;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 1.5rem;
}
.faq-answer.open {
  max-height: 300px;
  padding: 0 1.5rem 1.3rem;
}
.faq-answer p { font-size: .9rem; color: var(--grey-text); line-height: 1.7; }

/* =========================================
   CTA Final com urgência
   ========================================= */
.urgency-cta .cta-final__content { max-width: 800px; }

.urgency-points {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: center;
  margin: 1.5rem 0;
}
.urgency-point {
  display: flex; align-items: center; gap: .5rem;
  font-size: .9rem; color: var(--grey-light);
}
.urgency-point i { color: var(--gold); font-size: .9rem; }

.cta-final__guarantee {
  margin-top: 1.2rem;
  font-size: .8rem; color: var(--grey-text);
  display: flex; align-items: center; justify-content: center; gap: .5rem;
}
.cta-final__guarantee i { color: var(--gold); }

/* Footer back link */
.footer-back-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .82rem; color: var(--grey-text);
  margin-top: .75rem;
  transition: color var(--transition);
}
.footer-back-link:hover { color: var(--gold); }

/* =========================================
   Produto pills (diferenciais rápidos)
   ========================================= */
.product-pills {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin: 1.4rem 0;
}
.product-pill {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(212,175,55,.07);
  border: 1px solid rgba(212,175,55,.25);
  border-radius: 100px;
  padding: .35rem .9rem;
  font-size: .78rem; font-weight: 500;
  color: var(--grey-light);
  transition: background var(--transition), border-color var(--transition);
}
.product-pill:hover { background: rgba(212,175,55,.14); border-color: rgba(212,175,55,.5); }
.product-pill i { color: var(--gold); font-size: .75rem; }

/* CTA group na seção do produto */
.nexus-featured__cta-group {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-top: 2rem;
}

/* Stats abaixo do chat mockup */
.chat-stats {
  display: flex; justify-content: space-around;
  background: var(--graphite-2);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 1rem;
}
.chat-stat {
  display: flex; flex-direction: column; align-items: center; gap: .15rem;
  text-align: center;
}
.chat-stat i { color: var(--gold); font-size: .9rem; margin-bottom: .1rem; }
.chat-stat__value {
  font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700;
  color: var(--gold); line-height: 1;
}
.chat-stat__label { font-size: .7rem; color: var(--grey-text); text-transform: uppercase; letter-spacing: .06em; }

/* Ajuste no chat-mockup quando acompanhado de stats */
.nexus-featured__mockup .chat-mockup {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* =========================================
   Fluxo de Ativação — 6 Etapas
   ========================================= */
.activation-flow { overflow: hidden; }

.activation-timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Linha vertical contínua (trilha do fluxo) */
.activation-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom,
    var(--gold) 0%,
    rgba(212,175,55,.5) 60%,
    rgba(212,175,55,.15) 100%
  );
  z-index: 0;
}

.activation-step {
  display: flex;
  gap: 0;
  position: relative;
}

.activation-step__left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 58px;
  position: relative;
  z-index: 1;
}

/* Número do passo (círculo dourado) */
.activation-step__number {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--graphite);
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 1rem; font-weight: 700;
  color: var(--gold);
  flex-shrink: 0;
  position: relative; z-index: 2;
  box-shadow: 0 0 0 4px var(--graphite), 0 0 16px rgba(212,175,55,.2);
  transition: background var(--transition), box-shadow var(--transition);
}
.activation-step:hover .activation-step__number {
  background: rgba(212,175,55,.12);
  box-shadow: 0 0 0 4px var(--graphite), 0 0 24px rgba(212,175,55,.35);
}
.activation-step__number--final {
  background: var(--gold);
  color: var(--black);
  font-size: 1.05rem;
  box-shadow: 0 0 0 4px var(--graphite), 0 0 30px rgba(212,175,55,.5);
}

/* Conteúdo do passo */
.activation-step__content {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 2rem;
  margin: 0 0 1.5rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.activation-step:hover .activation-step__content {
  border-color: rgba(212,175,55,.4);
  transform: translateX(4px);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

/* Ícone dentro do card */
.activation-step__icon {
  width: 48px; height: 48px;
  background: rgba(212,175,55,.08);
  border: 1px solid rgba(212,175,55,.2);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--gold);
  flex-shrink: 0;
  transition: background var(--transition);
}
.activation-step:hover .activation-step__icon {
  background: rgba(212,175,55,.16);
}
.activation-step__icon--final {
  background: rgba(212,175,55,.15);
  border-color: rgba(212,175,55,.5);
  font-size: 1.3rem;
}

/* Texto do passo */
.activation-step__text h3 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  margin-bottom: .5rem;
  color: var(--white);
}
.activation-step__text p {
  font-size: .9rem;
  color: var(--grey-text);
  line-height: 1.7;
  margin-bottom: 0;
}
.activation-step__text strong { color: var(--grey-light); }

/* Alerta de info (passo 3 — prévia) */
.activation-step__alert {
  display: flex; align-items: flex-start; gap: .5rem;
  background: rgba(212,175,55,.06);
  border: 1px solid rgba(212,175,55,.2);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  margin-top: .85rem;
  font-size: .82rem; color: var(--grey-light); line-height: 1.5;
}
.activation-step__alert i { color: var(--gold); font-size: .85rem; flex-shrink: 0; margin-top: .1rem; }

/* Badges de pagamento (passo 4) */
.payment-badges {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin-top: .85rem;
}
.payment-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--graphite-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .3rem .75rem;
  font-size: .76rem; font-weight: 600;
  color: var(--grey-light);
  letter-spacing: .04em;
}
.payment-badge i { color: var(--gold); }

/* Passo final: sem linha abaixo */
.activation-step--last .activation-step__content {
  border-color: rgba(212,175,55,.4);
  background: linear-gradient(135deg, var(--graphite-2), rgba(212,175,55,.03));
}
.activation-step--last .activation-step__text h3 { color: var(--gold); font-size: 1.15rem; }
.activation-cta { margin-top: 1.5rem; }

/* Nota: agente IA em finalização */
.activation-note {
  display: flex; align-items: flex-start; gap: 1.2rem;
  background: rgba(212,175,55,.04);
  border: 1px solid rgba(212,175,55,.18);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-top: 3rem;
}
.activation-note__icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(212,175,55,.1);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--gold);
}
.activation-note strong { display: block; color: var(--gold); font-size: .9rem; margin-bottom: .35rem; }
.activation-note p { font-size: .85rem; color: var(--grey-text); line-height: 1.7; margin: 0; }

/* ==========================================
   RESPONSIVE — Nexus
   ========================================== */
@media (max-width: 1024px) {
  .nexus-featured__grid { grid-template-columns: 1fr; gap: 3rem; }
  .nexus-featured__mockup { max-width: 440px; margin: 0 auto; }
  .guarantee-box { flex-direction: column; gap: 2rem; padding: 2.5rem 2rem; text-align: center; }
  .guarantee-badges { justify-content: center; }
}

@media (max-width: 768px) {
  .nexus-hero__headline { font-size: 1.8rem; }
  .nexus-hero__cta { flex-direction: column; align-items: center; }
  .nexus-hero__cta .btn { width: 100%; max-width: 340px; justify-content: center; }
  .pipeline-grid { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-6px); }
  .pricing-grid { grid-template-columns: 1fr; }

  /* Activation flow mobile */
  .activation-timeline::before { left: 22px; }
  .activation-step__left { width: 46px; }
  .activation-step__number { width: 46px; height: 46px; font-size: .85rem; }
  .activation-step__content {
    flex-direction: column; gap: 1rem;
    padding: 1.3rem 1.2rem;
    margin-left: 1rem;
  }
  .activation-step__icon { width: 40px; height: 40px; font-size: 1rem; }
  .nexus-featured__cta-group { flex-direction: column; }
  .nexus-featured__cta-group .btn { width: 100%; justify-content: center; }
  .activation-note { flex-direction: column; gap: .75rem; }
  .urgency-points { gap: .6rem; }
  .cta-final__buttons { flex-direction: column; align-items: center; }
  .cta-final__buttons .btn { width: 100%; max-width: 380px; justify-content: center; }
}

@media (max-width: 480px) {
  .nexus-brand-yla, .nexus-brand-nexus { font-size: 2.6rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .use-cases-grid { grid-template-columns: 1fr; }
  .chat-mockup { max-width: 100%; }
  .product-pills { gap: .35rem; }
  .product-pill { font-size: .72rem; padding: .28rem .7rem; }
  .chat-stats { gap: 0; }
  .chat-stat__value { font-size: 1rem; }
  .payment-badges { gap: .3rem; }
  .activation-step__content { padding: 1.1rem 1rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .guarantee-box { padding: 2rem 1.5rem; }
  .guarantee-box__icon { width: 72px; height: 72px; font-size: 1.8rem; }
  .hero-trust { gap: .8rem; }
  .urgency-points { flex-direction: column; align-items: center; }
}