/* ============================================================
   AnfitrIA — Site comercial · /assets/css/styles.css
   Brand: azul #1E88E5 (mala) + laranja #FF6B00 (casa)
   ============================================================ */

:root {
  /* Brand */
  --brand-blue:        #1E88E5;
  --brand-blue-dk:     #1565C0;
  --brand-blue-deep:   #0D47A1;
  --brand-orange:      #FF6B00;
  --brand-orange-soft: #FB923C;

  /* Surfaces */
  --bg-dark:    #0A1628;
  --bg-dark-2:  #0F1E36;
  --bg-dark-3:  #1B2B47;
  --bg:         #FFFFFF;
  --bg-soft:    #F7F9FC;
  --bg-soft-2:  #EEF2F8;

  /* Text */
  --text:        #0F172A;
  --text-2:      #1E293B;
  --text-light:  #F8FAFC;
  --muted:       #64748B;
  --muted-light: #94A3B8;
  --muted-dark:  #475569;

  /* Borders */
  --border:      #E2E8F0;
  --border-2:    #CBD5E1;
  --border-dark: rgba(255,255,255,0.10);

  /* Status */
  --ok:    #10B981;
  --warn:  #F59E0B;
  --err:   #EF4444;

  /* Cores sólidas (substituem antigos gradients — mantemos os nomes pra menos churn) */
  --grad-brand:  #1E88E5;          /* CTAs primários · azul sólido */
  --grad-blue:   #1E88E5;
  --grad-orange: #FF6B00;
  --grad-soft:   #DBEAFE;          /* azul-claro suave para eyebrows/icones */

  /* Shadows */
  --sh-sm:    0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --sh-md:    0 8px 24px rgba(15,23,42,.08);
  --sh-lg:    0 20px 50px rgba(15,23,42,.12);
  --sh-xl:    0 30px 80px rgba(15,23,42,.18);
  --sh-blue:  0 16px 40px rgba(30,136,229,.35);
  --sh-orange:0 16px 40px rgba(255,107,0,.35);

  /* Layout */
  --max:       1200px;
  --max-narrow:880px;
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: 'cv02','cv03','cv04','cv11';
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: rgba(30,136,229,.18); color: var(--brand-blue-deep); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--max-narrow); margin: 0 auto; padding: 0 24px; }

/* ─── Topbar ─── */
.topbar {
  background: var(--bg-dark);
  color: rgba(255,255,255,.78);
  font-size: 13px;
  border-bottom: 1px solid var(--border-dark);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 38px; }
.topbar-info { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar-info a { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.78); transition: color .15s; }
.topbar-info a:hover { color: #fff; }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-social { display: flex; gap: 12px; }
.topbar-social a { color: rgba(255,255,255,.6); transition: color .15s; }
.topbar-social a:hover { color: #fff; }
@media (max-width: 720px) { .topbar-info { display: none; } }

/* Language picker */
.lang-picker { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.85); font-size: 12px; font-weight: 500;
  transition: background .15s;
}
.lang-btn:hover { background: rgba(255,255,255,.12); }
.lang-flag { width: 16px; height: 12px; border-radius: 2px; object-fit: cover; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  background: #fff; color: var(--text);
  border-radius: var(--radius); box-shadow: var(--sh-lg);
  min-width: 200px; padding: 6px; z-index: 200;
  display: none;
}
.lang-menu.open { display: block; }
.lang-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px; font-size: 14px;
  transition: background .12s;
}
.lang-menu a:hover { background: var(--bg-soft); }

/* ─── Header / Nav ─── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header .container { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 38px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 14px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--bg-soft); color: var(--brand-blue); }
.nav a.active { color: var(--brand-blue); }
.header-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; padding: 8px; border-radius: 8px; }
@media (max-width: 980px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; background: #fff; padding: 12px 16px; border-bottom: 1px solid var(--border); box-shadow: var(--sh-md); }
  .nav.open { display: flex; }
  .nav-toggle { display: inline-flex; }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px;
  font-size: 14.5px; font-weight: 600; letter-spacing: -0.005em;
  transition: transform .15s, box-shadow .2s, background .15s, color .15s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--brand-blue); color: #fff;
  box-shadow: 0 8px 20px rgba(30,136,229,.25);
}
.btn-primary:hover { transform: translateY(-1px); background: var(--brand-blue-dk); box-shadow: 0 14px 32px rgba(30,136,229,.35); }
.btn-ghost {
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-soft-2); }
.btn-dark-ghost {
  background: rgba(255,255,255,.08); color: #fff;
  border: 1px solid rgba(255,255,255,.16);
}
.btn-dark-ghost:hover { background: rgba(255,255,255,.16); }
.btn-lg { padding: 16px 30px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ─── Hero ─── */
.hero {
  background: var(--bg-dark);
  color: var(--text-light);
  position: relative; overflow: hidden;
  padding: 90px 0 110px;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  pointer-events: none;
  opacity: .6;
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(30,136,229,.14); border: 1px solid rgba(30,136,229,.3);
  font-size: 13px; color: #BFDBFE; margin-bottom: 22px;
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: #34D399; box-shadow: 0 0 0 4px rgba(52,211,153,.18); animation: pulseDot 1.6s ease-in-out infinite; }
@keyframes pulseDot { 0%,100% { box-shadow: 0 0 0 0 rgba(52,211,153,.4); } 50% { box-shadow: 0 0 0 8px rgba(52,211,153,0); } }

.hero h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.04; letter-spacing: -0.035em;
  font-weight: 800; margin-bottom: 22px;
}
.hero h1 .grad { color: var(--brand-orange); }
.hero p.lead {
  font-size: 19px; line-height: 1.55;
  color: rgba(255,255,255,.78); max-width: 560px; margin-bottom: 30px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 540px;
}
.stat {
  padding: 16px 18px; border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.stat strong { display: block; font-size: 24px; font-weight: 800; letter-spacing: -0.02em; color: #fff; }
.stat strong .small { font-size: 16px; color: rgba(255,255,255,.5); font-weight: 700; }
.stat span { font-size: 12px; color: rgba(255,255,255,.6); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero { padding: 60px 0 80px; }
  .hero-stats { max-width: 100%; }
}

/* ─── Phone mockup + animated chat ─── */
.phone {
  width: 360px; max-width: 100%; margin: 0 auto;
  background: linear-gradient(180deg,#0F172A 0%, #1B2B47 100%);
  border-radius: 44px; padding: 14px;
  box-shadow:
    0 40px 100px rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.06),
    inset 0 0 0 1px rgba(255,255,255,.04);
  position: relative;
}
.phone::before {
  content: ''; position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 110px; height: 24px; background: #0A1628;
  border-radius: 14px; z-index: 2;
}
.phone-screen {
  background: #F4F6FB; border-radius: 32px; overflow: hidden;
  height: 580px; display: flex; flex-direction: column;
}
.chat-head {
  background: var(--grad-blue); color: #fff;
  padding: 38px 16px 14px; display: flex; align-items: center; gap: 10px;
}
.chat-head .avatar {
  width: 40px; height: 40px; border-radius: 50%; background: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; box-shadow: 0 0 0 2px rgba(255,255,255,.3);
  overflow: hidden;
}
.chat-head .avatar img { width: 100%; height: 100%; object-fit: cover; }
.chat-head .name { font-weight: 700; font-size: 15px; line-height: 1.1; }
.chat-head .status { font-size: 11px; opacity: .9; display: flex; align-items: center; gap: 5px; }
.chat-head .status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #34D399; box-shadow: 0 0 8px #34D399; }
.chat-quick {
  display: flex; gap: 6px; padding: 8px 12px; background: #fff; overflow-x: auto;
  border-bottom: 1px solid var(--border);
}
.chat-quick::-webkit-scrollbar { display: none; }
.qpill {
  background: #fff; color: var(--brand-blue);
  border: 1px solid rgba(30,136,229,.25);
  border-radius: 999px; padding: 4px 10px; font-size: 11px; white-space: nowrap; flex-shrink: 0;
}
.chat-body {
  flex: 1; padding: 14px 12px; background: #F4F6FB; overflow: hidden;
  display: flex; flex-direction: column; gap: 8px;
  position: relative;
}
.bubble {
  max-width: 82%; padding: 9px 13px; border-radius: 18px;
  font-size: 13.5px; line-height: 1.45;
  opacity: 0; transform: translateY(8px);
  animation: bubbleIn .45s forwards;
}
.bubble.ai { background: #fff; border: 1px solid #E5E7EB; border-bottom-left-radius: 6px; color: var(--text); align-self: flex-start; }
.bubble.guest { background: var(--brand-blue); color: #fff; border-bottom-right-radius: 6px; align-self: flex-end; }
.bubble .meta { display: block; font-size: 10px; opacity: .55; margin-top: 4px; }
.typing {
  align-self: flex-start; background: #fff; border: 1px solid #E5E7EB;
  padding: 10px 14px; border-radius: 18px; border-bottom-left-radius: 6px;
  display: inline-flex; gap: 3px;
  opacity: 0; animation: bubbleIn .35s forwards;
}
.typing span { width: 6px; height: 6px; border-radius: 50%; background: #94A3B8; animation: typingDot 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes typingDot { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }
@keyframes bubbleIn { to { opacity: 1; transform: translateY(0); } }

.chat-foot { background: #fff; border-top: 1px solid var(--border); padding: 10px 10px; display: flex; gap: 8px; align-items: center; }
.chat-foot .input-fake { flex: 1; background: #F1F5F9; border-radius: 999px; padding: 9px 14px; font-size: 12px; color: var(--muted); }
.chat-foot .send {
  width: 38px; height: 38px; border-radius: 50%; background: var(--grad-blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
}

/* Floating language flags around phone */
.phone-wrap { position: relative; display: flex; justify-content: center; }
.float-flag {
  position: absolute; background: #fff;
  border-radius: 12px; padding: 8px 12px;
  box-shadow: var(--sh-lg); display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--text);
  animation: float 6s ease-in-out infinite;
}
.float-flag .flag-emoji { font-size: 16px; line-height: 1; }
.float-flag.f1 { top: 10%; left: -20px; animation-delay: 0s; }
.float-flag.f2 { top: 38%; right: -28px; animation-delay: 1.5s; }
.float-flag.f3 { bottom: 22%; left: -32px; animation-delay: 3s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (max-width: 600px) { .float-flag { display: none; } }

/* ─── Section base ─── */
section.band { padding: 100px 0; position: relative; }
section.band.alt { background: var(--bg-soft); }
section.band.dark { background: var(--bg-dark); color: var(--text-light); }
.eyebrow {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  background: var(--grad-soft); color: var(--brand-blue-deep);
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 16px;
}
section.dark .eyebrow {
  background: rgba(30,136,229,.18); color: #93C5FD; border: 1px solid rgba(30,136,229,.3);
}
.section-head { text-align: center; max-width: 760px; margin: 0 auto 60px; }
.section-head h2 {
  font-size: clamp(30px, 4vw, 44px); line-height: 1.12;
  letter-spacing: -0.025em; font-weight: 800; margin-bottom: 14px;
}
.section-head h2 .grad { color: var(--brand-orange); }
.section-head p { font-size: 18px; color: var(--muted); }
section.dark .section-head p { color: rgba(255,255,255,.7); }

/* ─── Trust strip (integrações) ─── */
.trust-strip {
  background: #fff; padding: 36px 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.trust-strip-inner { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.trust-label { font-size: 13px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.trust-logos { display: flex; flex-wrap: wrap; gap: 38px; align-items: center; justify-content: center; opacity: .85; }
.trust-logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 18px; color: var(--muted-dark);
  letter-spacing: -0.02em;
}
.trust-logo svg { width: 22px; height: 22px; }

/* ─── Problem section ─── */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.problem-card {
  background: #fff; padding: 32px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.problem-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--err); opacity: .8;
}
.problem-emoji { font-size: 36px; margin-bottom: 14px; }
.problem-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.015em; }
.problem-card p { font-size: 14.5px; color: var(--muted); line-height: 1.55; }
@media (max-width: 800px) { .problem-grid { grid-template-columns: 1fr; } }

/* ─── Features grid ─── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat {
  background: #fff; padding: 30px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feat:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); border-color: rgba(30,136,229,.25); }
.feat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad-soft); color: var(--brand-blue);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feat-icon.orange { background: rgba(255,107,0,.10); color: var(--brand-orange); }
.feat-icon.green { background: rgba(16,185,129,.10); color: var(--ok); }
.feat-icon.purple { background: rgba(124,58,237,.10); color: #7C3AED; }
.feat-icon.pink { background: rgba(236,72,153,.10); color: #EC4899; }
.feat-icon.cyan { background: rgba(6,182,212,.10); color: #06B6D4; }
.feat h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.015em; margin-bottom: 10px; }
.feat p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

/* ─── How it works ─── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: #fff; padding: 30px 24px 26px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); position: relative;
}
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: -18px; left: 22px;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad-brand); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px;
  box-shadow: var(--sh-blue);
}
.step h4 { font-size: 17px; font-weight: 700; letter-spacing: -0.015em; margin: 16px 0 8px; }
.step p { font-size: 14px; color: var(--muted); line-height: 1.6; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

/* ─── Channels showcase ─── */
.channels-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 980px; margin: 0 auto; }
.ch-card {
  background: #fff; padding: 30px 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); text-align: center;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.ch-card:hover { transform: translateY(-4px); border-color: rgba(30,136,229,.25); box-shadow: var(--sh-lg); }
.ch-icon {
  width: 64px; height: 64px; border-radius: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 30px; margin-bottom: 16px;
}
.ch-icon.wpp { background: #25D366; color: #fff; }
.ch-icon.web { background: var(--brand-blue); color: #fff; }
.ch-icon.alexa { background: #00CAFF; color: #fff; }
.ch-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.015em; }
.ch-card p { font-size: 14px; color: var(--muted); line-height: 1.55; }
.ch-tag { display: inline-block; margin-top: 10px; font-size: 11px; padding: 3px 8px; border-radius: 999px; background: rgba(255,107,0,.1); color: var(--brand-orange); font-weight: 600; }
.ch-tag.live { background: rgba(16,185,129,.1); color: var(--ok); }
@media (max-width: 900px) { .channels-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .channels-grid { grid-template-columns: 1fr; } }

/* ─── Languages showcase (carousel of bubbles) ─── */
.lang-showcase {
  background: var(--bg-dark-2); color: var(--text-light);
  border-radius: var(--radius-xl); padding: 60px 40px;
  position: relative; overflow: hidden;
  border: 1px solid rgba(255,255,255,.06);
}
.lang-bubbles {
  position: relative;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
  max-width: 880px; margin: 0 auto;
}
.lang-bubble {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  padding: 16px 20px; border-radius: 14px;
  display: flex; gap: 14px; align-items: flex-start;
  backdrop-filter: blur(8px);
}
.lang-flag-big { font-size: 28px; flex-shrink: 0; line-height: 1; }

/* ─── Meet the AI (robozinha em destaque) ─── */
.meet-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 70px; align-items: center; }
.meet-img {
  position: relative; padding: 50px 30px;
  background: #F0F7FF; border: 1px solid var(--border);
  border-radius: var(--radius-xl); text-align: center;
}
.meet-img img { max-width: 360px; width: 100%; height: auto; margin: 0 auto; }
.meet-img .meet-badge {
  position: absolute; bottom: -18px; left: 50%; transform: translateX(-50%);
  background: #fff; padding: 10px 18px; border-radius: 999px;
  box-shadow: var(--sh-md);
  display: inline-flex; gap: 8px; align-items: center;
  font-size: 13px; font-weight: 600; white-space: nowrap;
  border: 1px solid var(--border);
}
.meet-img .meet-badge .dot {
  width: 8px; height: 8px; background: var(--ok); border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(16,185,129,.18);
  animation: pulseDot 1.6s ease-in-out infinite;
}
.meet-text h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.12; margin-bottom: 16px; }
.meet-text p.lead { font-size: 17px; color: var(--muted); margin-bottom: 24px; line-height: 1.6; }
.meet-text ul { display: grid; gap: 12px; }
.meet-text ul li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.55; }
.meet-text ul li::before {
  content: '✓'; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255,107,0,.14); color: var(--brand-orange);
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700;
  margin-top: 2px;
}
@media (max-width: 900px) {
  .meet-grid { grid-template-columns: 1fr; gap: 50px; }
  .meet-img img { max-width: 280px; }
}
.lang-bubble strong { display: block; font-size: 15px; margin-bottom: 4px; color: #fff; }
.lang-bubble span { font-size: 13.5px; color: rgba(255,255,255,.7); line-height: 1.5; }
@media (max-width: 700px) { .lang-bubbles { grid-template-columns: 1fr; } }

/* ─── ROI calculator ─── */
.roi-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.roi-card {
  background: var(--grad-blue); color: #fff;
  border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--sh-blue);
}
.roi-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.15); font-size: 15px; }
.roi-row:last-child { border-bottom: none; padding-top: 22px; font-size: 18px; font-weight: 700; }
.roi-row strong { font-weight: 700; }
.roi-row .num { font-variant-numeric: tabular-nums; }
.roi-card label { display: block; font-size: 13px; opacity: .8; margin-bottom: 6px; }
.roi-card input[type=range] { width: 100%; accent-color: #FB923C; margin-bottom: 14px; }
.roi-card .roi-input { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.roi-card .roi-input strong { font-size: 22px; min-width: 80px; }

@media (max-width: 900px) { .roi-wrap { grid-template-columns: 1fr; gap: 30px; } }

/* ─── Comparison ─── */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-col {
  background: #fff; border-radius: var(--radius-lg); padding: 30px;
  border: 1px solid var(--border); position: relative;
}
.compare-col.bad { border-color: #FECACA; background: #FFF7F7; }
.compare-col.good { border-color: rgba(30,136,229,.3); background: #F0F7FF; box-shadow: var(--sh-md); }
.compare-col h3 { font-size: 19px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.compare-col .sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.compare-col ul li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 14.5px;
}
.compare-col ul li:last-child { border-bottom: none; }
.compare-col ul li::before {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}
.compare-col.bad ul li::before { content: '✗'; background: rgba(239,68,68,.12); color: var(--err); }
.compare-col.good ul li::before { content: '✓'; background: rgba(16,185,129,.14); color: var(--ok); }
@media (max-width: 800px) { .compare { grid-template-columns: 1fr; } }

/* ─── Testimonials ─── */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testimonial {
  background: #fff; padding: 30px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); position: relative;
}
.testimonial .quote { font-size: 15px; line-height: 1.65; color: var(--text-2); margin-bottom: 22px; }
.testimonial .author { display: flex; gap: 12px; align-items: center; }
.testimonial .author-photo { width: 44px; height: 44px; border-radius: 50%; background: var(--grad-soft); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: var(--brand-blue-deep); }
.testimonial .author strong { display: block; font-size: 14px; }
.testimonial .author span { font-size: 12px; color: var(--muted); }
.stars { color: #F59E0B; font-size: 14px; margin-bottom: 12px; letter-spacing: 1px; }
@media (max-width: 900px) { .testimonials { grid-template-columns: 1fr; } }

/* ─── Pricing teaser ─── */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.price-card {
  background: #fff; border-radius: var(--radius-lg); padding: 30px 26px;
  border: 1px solid var(--border); display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.price-card.popular {
  border-color: var(--brand-blue);
  box-shadow: var(--sh-blue);
  position: relative; transform: translateY(-6px);
}
.price-card.popular::before {
  content: 'MAIS POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--brand-orange); color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  padding: 4px 12px; border-radius: 999px;
  box-shadow: var(--sh-orange);
}
.price-name { font-size: 14px; font-weight: 700; color: var(--brand-blue); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 8px; }
.price-num { font-size: 36px; font-weight: 800; letter-spacing: -0.03em; }
.price-num .currency { font-size: 18px; font-weight: 600; vertical-align: top; opacity: .7; }
.price-num .per { font-size: 13px; font-weight: 500; color: var(--muted); }
.price-num .usd { display: block; font-size: 13px; font-weight: 500; color: var(--muted); margin-top: 4px; }
.price-card hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.price-card ul { flex: 1; }
.price-card ul li {
  display: flex; gap: 8px; align-items: flex-start;
  padding: 7px 0; font-size: 14px;
}
.price-card ul li::before {
  content: '✓'; flex-shrink: 0; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(16,185,129,.12); color: var(--ok);
  display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700;
}
.price-card .btn { margin-top: 22px; width: 100%; }
@media (max-width: 1100px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } .price-card.popular { transform: none; } }
@media (max-width: 600px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ─── FAQ ─── */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  width: 100%; text-align: left;
  padding: 18px 22px; font-size: 16px; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.faq-q::after {
  content: '+'; font-size: 22px; font-weight: 400; color: var(--brand-blue);
  transition: transform .25s;
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  max-height: 0; overflow: hidden;
  font-size: 14.5px; color: var(--muted); line-height: 1.65;
  transition: max-height .3s, padding .3s;
  padding: 0 22px;
}
.faq-item.open .faq-a { max-height: 500px; padding: 0 22px 18px; }

/* ─── Final CTA ─── */
.final-cta {
  background: var(--brand-blue); color: #fff;
  border-radius: var(--radius-xl); padding: 70px 50px; text-align: center;
  position: relative; overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.final-cta h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.025em; margin-bottom: 12px; position: relative; }
.final-cta p { font-size: 17px; opacity: .92; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; }
.final-cta .actions { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; position: relative; }
.final-cta .btn-primary { background: #fff; color: var(--brand-blue-deep); }
.final-cta .btn-primary:hover { background: #fff; box-shadow: 0 14px 32px rgba(0,0,0,.25); }
.final-cta .btn-dark-ghost { border-color: rgba(255,255,255,.4); }

/* ─── Footer ─── */
.footer {
  background: var(--bg-dark); color: rgba(255,255,255,.7);
  padding: 70px 0 30px;
}
.footer .container { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 30px; }
.footer-brand img { height: 40px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 18px; max-width: 320px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.08); display: inline-flex; align-items: center; justify-content: center;
  color: #fff; transition: background .15s;
}
.footer-social a:hover { background: var(--brand-blue); }
.footer-col h4 { font-size: 13px; color: #fff; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.05em; text-transform: uppercase; }
.footer-col ul li { padding: 5px 0; font-size: 14px; }
.footer-col ul li a { color: rgba(255,255,255,.7); transition: color .15s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  font-size: 13px; color: rgba(255,255,255,.55);
}
.footer-bottom .legal { display: flex; gap: 18px; }
.footer-bottom .legal a:hover { color: #fff; }
@media (max-width: 900px) {
  .footer .container { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 500px) {
  .footer .container { grid-template-columns: 1fr; }
}

/* ─── Page hero (interior pages) ─── */
.page-hero {
  background: var(--bg-dark); color: var(--text-light);
  padding: 80px 0 60px;
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  pointer-events: none; opacity: .5;
}
.page-hero .container { position: relative; }
.page-hero .crumbs { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 16px; }
.page-hero .crumbs a { color: rgba(255,255,255,.6); }
.page-hero .crumbs a:hover { color: #fff; }
.page-hero h1 {
  font-size: clamp(34px, 4.5vw, 52px); line-height: 1.05;
  letter-spacing: -0.03em; font-weight: 800; margin-bottom: 18px;
}
.page-hero h1 .grad { color: var(--brand-orange); }
.page-hero p.lead { font-size: 18px; color: rgba(255,255,255,.78); max-width: 720px; }

/* ─── Two-col content (image + text) ─── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.two-col.alt { grid-template-columns: 1.1fr 1fr; }
.two-col.swap { direction: rtl; }
.two-col.swap > * { direction: ltr; }
.two-col h3 { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.two-col p { font-size: 16px; color: var(--muted); line-height: 1.65; margin-bottom: 14px; }
.two-col ul { display: grid; gap: 10px; margin-top: 18px; }
.two-col ul li {
  display: flex; gap: 10px; font-size: 15px;
  align-items: flex-start;
}
.two-col ul li::before {
  content: '✓'; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(30,136,229,.12); color: var(--brand-blue);
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700;
}
.two-col-img {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 30px; min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
@media (max-width: 900px) { .two-col, .two-col.alt { grid-template-columns: 1fr; gap: 40px; } }

/* ─── Forms ─── */
.form-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--sh-md);
  max-width: 640px; margin: 0 auto;
}
.form-card .field { margin-bottom: 18px; }
.form-card label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--text-2); }
.form-card label .req { color: var(--err); }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--border-2); background: #fff;
  font-size: 15px; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.form-card input:focus, .form-card select:focus, .form-card textarea:focus {
  outline: none; border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px rgba(30,136,229,.12);
}
.form-card textarea { resize: vertical; min-height: 120px; }
.form-card .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form-card .row-2 { grid-template-columns: 1fr; } }
.form-card .check {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13.5px; color: var(--muted); margin: 18px 0;
}
.form-card .check input { width: auto; margin-top: 2px; }
.form-card .submit { width: 100%; }
.form-help { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* ─── Plan summary card (cadastro) ─── */
.plan-summary {
  background: #F0F7FF; border: 1px solid rgba(30,136,229,.25);
  border-radius: var(--radius-lg); padding: 22px 24px; margin-bottom: 24px;
}
.plan-summary .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.plan-summary .name { font-weight: 800; font-size: 20px; color: var(--brand-blue-deep); }
.plan-summary .badge {
  background: var(--brand-orange); color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
  padding: 3px 10px; border-radius: 999px;
}
.plan-summary .price { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.plan-summary .price .per { font-size: 14px; font-weight: 500; color: var(--muted); }
.plan-summary .trial { font-size: 13px; color: var(--brand-blue); font-weight: 600; margin-top: 6px; }
.plan-summary ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 6px; }
.plan-summary ul li { font-size: 14px; padding-left: 22px; position: relative; }
.plan-summary ul li::before { content: '✓'; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

/* ─── Pricing toggle (mensal/anual) ─── */
.toggle-billing {
  display: inline-flex; gap: 4px; padding: 4px;
  background: var(--bg-soft-2); border-radius: 999px;
  margin: 0 auto 36px; box-shadow: inset 0 1px 2px rgba(0,0,0,.04);
}
.toggle-billing button {
  padding: 9px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 600; color: var(--muted-dark);
  transition: all .15s;
  position: relative;
}
.toggle-billing button.active {
  background: #fff; color: var(--text);
  box-shadow: var(--sh-sm);
}
.toggle-billing button .save {
  font-size: 11px; background: var(--brand-orange); color: #fff;
  padding: 1px 7px; border-radius: 999px; margin-left: 6px;
}
.toggle-wrap { text-align: center; }

/* ─── Pricing full table ─── */
.pricing-full { display: grid; grid-template-columns: 1fr repeat(4, 1fr); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.pricing-full > div { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.pricing-full > div:nth-child(5n) { border-right: none; }
.pricing-full .pf-row-head { background: var(--bg-soft); font-weight: 600; }
.pricing-full .pf-h { background: var(--bg-soft); font-weight: 700; padding: 18px 16px; text-align: center; font-size: 15px; }
.pricing-full .pf-h.popular { background: rgba(30,136,229,.08); color: var(--brand-blue-deep); }
.pricing-full .pf-cell { text-align: center; }
.pricing-full .pf-cat { background: var(--bg-soft); grid-column: 1 / -1; font-weight: 700; padding: 10px 16px; font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted-dark); }
@media (max-width: 800px) { .pricing-full { grid-template-columns: 1fr; } .pricing-full > div { border-right: none; } .pricing-full .pf-cell { text-align: left; } .pricing-full .pf-cell::before { content: attr(data-plan)' · '; color: var(--muted); font-weight: 600; } }

/* ─── Team grid ─── */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card {
  background: #fff; padding: 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); text-align: center;
}
.team-photo {
  width: 92px; height: 92px; border-radius: 50%;
  background: var(--grad-soft); color: var(--brand-blue-deep);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 30px;
  margin-bottom: 14px;
}
.team-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: var(--brand-blue); font-weight: 600; margin-bottom: 8px; }
.team-card .bio { font-size: 13.5px; color: var(--muted); line-height: 1.55; }
@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .team-grid { grid-template-columns: 1fr; } }

/* ─── Prose (legal/long-form text) ─── */
.prose {
  max-width: 760px; margin: 0 auto;
  font-size: 16px; color: var(--text-2); line-height: 1.75;
}
.prose h2 { font-size: 24px; font-weight: 800; margin: 40px 0 14px; letter-spacing: -0.02em; color: var(--text); }
.prose h3 { font-size: 19px; font-weight: 700; margin: 28px 0 10px; letter-spacing: -0.015em; color: var(--text); }
.prose p { margin-bottom: 14px; }
.prose ul, .prose ol { margin: 12px 0 18px 22px; }
.prose ul li, .prose ol li { padding: 4px 0; list-style: disc; }
.prose ol li { list-style: decimal; }
.prose strong { font-weight: 700; color: var(--text); }
.prose a { color: var(--brand-blue); text-decoration: underline; }
.prose .updated { font-size: 13.5px; color: var(--muted); margin-bottom: 30px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }

/* ─── Use case / Scenario card ─── */
.scenario {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; position: relative;
}
.scenario .tag { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-orange); margin-bottom: 8px; }
.scenario h4 { font-size: 18px; font-weight: 700; letter-spacing: -0.015em; margin-bottom: 8px; }
.scenario p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }

/* ─── Sucesso / Cancelado ─── */
.status-page {
  text-align: center; max-width: 640px; margin: 0 auto;
}
.status-icon {
  width: 88px; height: 88px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 24px; font-size: 44px;
}
.status-icon.ok { background: rgba(16,185,129,.12); color: var(--ok); }
.status-icon.cancel { background: rgba(245,158,11,.12); color: var(--warn); }
.status-page h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.status-page p.lead { font-size: 17px; color: var(--muted); margin-bottom: 28px; line-height: 1.6; }

/* ============================================================
   ─── Channel demos: WhatsApp mock + Alexa Echo mock ───
   ============================================================ */

/* ─── WhatsApp mock ─── */
.wpp-mock {
  width: 320px; max-width: 100%; margin: 0 auto;
  background: #0F172A; border-radius: 36px; padding: 12px;
  box-shadow: var(--sh-xl), 0 0 0 1px rgba(255,255,255,.06);
  position: relative;
}
.wpp-mock::before {
  content: ''; position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  width: 100px; height: 22px; background: #0A1628; border-radius: 12px; z-index: 2;
}
.wpp-screen {
  background: #ECE5DD;            /* clássico cor de fundo do WhatsApp */
  background-image:
    radial-gradient(rgba(0,0,0,.025) 1px, transparent 1px),
    radial-gradient(rgba(0,0,0,.025) 1px, transparent 1px);
  background-size: 14px 14px, 14px 14px;
  background-position: 0 0, 7px 7px;
  border-radius: 28px; overflow: hidden;
  height: 540px; display: flex; flex-direction: column;
}
.wpp-head {
  background: #075E54; color: #fff;
  padding: 38px 14px 12px; display: flex; align-items: center; gap: 10px;
}
.wpp-head .back { color: rgba(255,255,255,.85); }
.wpp-head .ava { width: 38px; height: 38px; border-radius: 50%; background: #fff; overflow: hidden; flex-shrink: 0; }
.wpp-head .ava img { width: 100%; height: 100%; object-fit: cover; }
.wpp-head .info { flex: 1; min-width: 0; }
.wpp-head .name { font-weight: 700; font-size: 14.5px; line-height: 1.1; }
.wpp-head .status { font-size: 11.5px; opacity: .85; display: flex; align-items: center; gap: 4px; }
.wpp-head .status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #34D399; box-shadow: 0 0 8px #34D399; }
.wpp-head .icons { display: flex; gap: 14px; opacity: .9; }
.wpp-body {
  flex: 1; padding: 12px 10px; overflow: hidden;
  display: flex; flex-direction: column; gap: 6px;
}
.wpp-bubble {
  max-width: 78%; padding: 7px 10px 16px; border-radius: 8px;
  font-size: 13px; line-height: 1.4; position: relative;
  opacity: 0; transform: translateY(6px);
  animation: bubbleIn .35s forwards;
  box-shadow: 0 1px 0.5px rgba(0,0,0,.13);
}
.wpp-bubble.guest { background: #DCF8C6; align-self: flex-end; }
.wpp-bubble.guest::after {
  content: ''; position: absolute; right: -6px; bottom: 0; width: 12px; height: 12px;
  background: #DCF8C6; clip-path: polygon(0 0, 100% 100%, 0 100%);
}
.wpp-bubble.ai { background: #fff; align-self: flex-start; }
.wpp-bubble.ai::after {
  content: ''; position: absolute; left: -6px; bottom: 0; width: 12px; height: 12px;
  background: #fff; clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.wpp-bubble .meta {
  position: absolute; right: 8px; bottom: 3px;
  font-size: 9.5px; color: rgba(0,0,0,.45); display: inline-flex; gap: 3px; align-items: center;
}
.wpp-bubble .meta .check { color: #34B7F1; }
.wpp-typing {
  align-self: flex-start; background: #fff;
  padding: 9px 14px; border-radius: 8px; box-shadow: 0 1px 0.5px rgba(0,0,0,.13);
  display: inline-flex; gap: 3px;
  opacity: 0; animation: bubbleIn .25s forwards;
  position: relative;
}
.wpp-typing::after {
  content: ''; position: absolute; left: -6px; bottom: 0; width: 12px; height: 12px;
  background: #fff; clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.wpp-typing span { width: 6px; height: 6px; border-radius: 50%; background: #94A3B8; animation: typingDot 1.2s infinite; }
.wpp-typing span:nth-child(2) { animation-delay: .2s; }
.wpp-typing span:nth-child(3) { animation-delay: .4s; }
.wpp-foot {
  background: #F0F2F5; padding: 8px;
  display: flex; gap: 8px; align-items: center;
}
.wpp-foot .ifake {
  flex: 1; background: #fff; border-radius: 999px;
  padding: 8px 14px; font-size: 12.5px; color: #64748B;
}
.wpp-foot .send {
  width: 40px; height: 40px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
}

/* ─── Alexa Echo Show mock ─── */
.alexa-mock {
  width: 460px; max-width: 100%; margin: 0 auto;
  position: relative; padding-bottom: 30px;
}
.alexa-device {
  background: linear-gradient(180deg, #0F172A 0%, #1B2B47 100%);
  border-radius: 20px;
  padding: 14px;
  box-shadow:
    0 30px 80px rgba(0,0,0,.5),
    inset 0 0 0 1px rgba(255,255,255,.05);
  position: relative;
}
.alexa-screen {
  background: #000; border-radius: 12px;
  height: 290px; padding: 22px 24px; color: #fff;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.alexa-screen::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(30,136,229,.08), transparent 60%);
  pointer-events: none;
}
.alexa-status-bar {
  display: flex; justify-content: space-between; font-size: 11px; color: rgba(255,255,255,.55);
  margin-bottom: 14px; position: relative;
}
.alexa-state {
  display: inline-flex; gap: 6px; align-items: center;
  font-size: 11.5px; padding: 4px 10px; border-radius: 999px;
  background: rgba(30,136,229,.16); color: #93C5FD;
  border: 1px solid rgba(30,136,229,.3);
  margin-bottom: 14px; align-self: flex-start;
  transition: all .3s;
  position: relative;
}
.alexa-state.listening { background: rgba(30,136,229,.25); color: #BFDBFE; border-color: rgba(30,136,229,.5); }
.alexa-state.processing { background: rgba(168,85,247,.18); color: #C4B5FD; border-color: rgba(168,85,247,.4); }
.alexa-state.speaking { background: rgba(255,107,0,.16); color: #FED7AA; border-color: rgba(255,107,0,.4); }
.alexa-state .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: pulseDot 1.2s ease-in-out infinite; }

.alexa-q { font-size: 15.5px; font-weight: 600; min-height: 22px; margin-bottom: 12px; color: #fff; opacity: 0; transition: opacity .3s; position: relative; }
.alexa-q.show { opacity: 1; }
.alexa-q::before { content: '🎤 '; font-size: 14px; }

.alexa-wave {
  display: flex; gap: 3px; align-items: center; height: 38px; margin-bottom: 14px;
  position: relative; opacity: 0; transition: opacity .3s;
}
.alexa-wave.show { opacity: 1; }
.alexa-wave span {
  display: block; width: 4px; border-radius: 2px;
  background: currentColor; height: 8px;
  animation: waveBar 1.2s ease-in-out infinite;
}
.alexa-wave span:nth-child(1) { animation-delay: 0s; }
.alexa-wave span:nth-child(2) { animation-delay: .08s; }
.alexa-wave span:nth-child(3) { animation-delay: .16s; }
.alexa-wave span:nth-child(4) { animation-delay: .24s; }
.alexa-wave span:nth-child(5) { animation-delay: .32s; }
.alexa-wave span:nth-child(6) { animation-delay: .4s; }
.alexa-wave span:nth-child(7) { animation-delay: .32s; }
.alexa-wave span:nth-child(8) { animation-delay: .24s; }
.alexa-wave span:nth-child(9) { animation-delay: .16s; }
.alexa-wave span:nth-child(10) { animation-delay: .08s; }
.alexa-wave span:nth-child(11) { animation-delay: 0s; }
.alexa-wave span:nth-child(12) { animation-delay: .08s; }
.alexa-wave span:nth-child(13) { animation-delay: .16s; }
.alexa-wave span:nth-child(14) { animation-delay: .24s; }
.alexa-wave span:nth-child(15) { animation-delay: .32s; }
.alexa-wave span:nth-child(16) { animation-delay: .4s; }
.alexa-wave span:nth-child(17) { animation-delay: .32s; }
.alexa-wave span:nth-child(18) { animation-delay: .24s; }
.alexa-wave span:nth-child(19) { animation-delay: .16s; }
.alexa-wave span:nth-child(20) { animation-delay: .08s; }
@keyframes waveBar {
  0%, 100% { height: 6px; opacity: .35; }
  50% { height: 32px; opacity: 1; }
}
.alexa-wave.listening { color: #60A5FA; }
.alexa-wave.speaking { color: #FB923C; }

.alexa-a {
  font-size: 15px; line-height: 1.5; color: rgba(255,255,255,.92);
  border-left: 3px solid var(--brand-orange);
  padding-left: 12px; margin-top: auto;
  opacity: 0; transform: translateY(6px);
  transition: all .4s ease;
}
.alexa-a.show { opacity: 1; transform: translateY(0); }
.alexa-a strong { color: #fff; }

/* Anel da Alexa (signature ring) */
.alexa-ring {
  position: absolute; left: 14px; right: 14px; bottom: 8px;
  height: 14px; border-radius: 7px;
  background: linear-gradient(90deg, #2563EB 0%, #1E88E5 50%, #2563EB 100%);
  background-size: 200% 100%;
  filter: blur(0.5px);
  box-shadow: 0 0 24px rgba(30,136,229,.5);
  opacity: .85;
  transition: all .4s;
  animation: alexaRingFlow 3s ease-in-out infinite;
}
.alexa-ring.listening {
  background: linear-gradient(90deg, #2563EB 0%, #60A5FA 50%, #2563EB 100%);
  box-shadow: 0 0 32px rgba(30,136,229,.7);
  animation: alexaRingFlow 1s ease-in-out infinite;
}
.alexa-ring.processing {
  background: linear-gradient(90deg, #7C3AED 0%, #A855F7 50%, #7C3AED 100%);
  box-shadow: 0 0 28px rgba(124,58,237,.6);
  animation: alexaRingFlow 1.5s ease-in-out infinite;
}
.alexa-ring.speaking {
  background: linear-gradient(90deg, #EA580C 0%, #FB923C 50%, #EA580C 100%);
  box-shadow: 0 0 32px rgba(255,107,0,.7);
  animation: alexaRingFlow 0.8s ease-in-out infinite;
}
@keyframes alexaRingFlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Tags de comando rápido (Alexa skills) */
.alexa-commands {
  display: grid; gap: 8px;
  grid-template-columns: 1fr 1fr;
  margin-top: 24px;
}
.alexa-cmd {
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 10px;
  font-size: 13px; color: var(--text-2);
  display: flex; gap: 8px; align-items: center;
  transition: border-color .15s, background .15s;
}
.alexa-cmd:hover { border-color: var(--brand-blue); background: #fff; }
.alexa-cmd .ico {
  width: 28px; height: 28px; border-radius: 6px;
  background: rgba(30,136,229,.1); color: var(--brand-blue);
  display: flex; align-items: center; justify-content: center; font-size: 14px;
  flex-shrink: 0;
}

/* Channel demo section (two-col compact) */
.ch-demo-grid {
  display: grid; grid-template-columns: 1.05fr 1.4fr; gap: 56px; align-items: center;
}
.ch-demo-text h3 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 12px; }
.ch-demo-text .head-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.ch-demo-text .badge-channel {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
}
.ch-demo-text .badge-channel.wpp { background: rgba(37,211,102,.14); color: #128C7E; }
.ch-demo-text .badge-channel.alx { background: rgba(0,202,255,.14); color: #0890B5; }
.ch-demo-text p.lead { font-size: 16.5px; color: var(--muted); line-height: 1.6; margin-bottom: 18px; }
.ch-demo-text ul { display: grid; gap: 10px; margin-top: 18px; }
.ch-demo-text ul li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.ch-demo-text ul li::before {
  content: '✓'; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(30,136,229,.12); color: var(--brand-blue);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
@media (max-width: 980px) {
  .ch-demo-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ─── Misc ─── */
.center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mb-30 { margin-bottom: 30px; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

@keyframes spin { to { transform: rotate(360deg); } }