/* ============================================================
   USBRIN — Design tokens
   ============================================================ */


:root{
  --graphite:      #111217;
  --graphite-2:    #16171D;
  --card:          #1B1C23;
  --card-hover:    #202129;
  --accent:        #6366F1;
  --accent-soft:   #8183F4;
  --accent-glow:   rgba(99,102,241,0.35);
  --text:          #FFFFFF;
  --text-soft:     #F4F4F5;
  --text-secondary:#A1A1AA;
  --border:        rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;

  --max-w: 1240px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --ease: cubic-bezier(.22,1,.36,1);
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--graphite);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
ul{ list-style:none; margin:0; padding:0; }

::selection{ background:var(--accent); color:#fff; }

:focus-visible{
  outline:2px solid var(--accent-soft);
  outline-offset:3px;
  border-radius:4px;
}

.container{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 32px;
}

@media (max-width:720px){
  .container{ padding:0 20px; }
}

section{ position:relative; }

/* ---------- Typography ---------- */

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0;
  letter-spacing:-0.01em;
  color:var(--text-soft);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--accent-soft);
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:6px; height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px 2px var(--accent-glow);
}

.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head.center{
  margin-left:auto; margin-right:auto;
  text-align:center;
}
.section-head h2{
  font-size:clamp(28px, 3.6vw, 42px);
  margin-bottom:16px;
}
.section-head p{
  color:var(--text-secondary);
  font-size:17px;
  max-width:56ch;
}
.section-head.center p{ margin-left:auto; margin-right:auto; }

.text-secondary{ color:var(--text-secondary); }

/* ---------- Buttons ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg, var(--accent-soft), var(--accent));
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(99,102,241,0.55);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -8px rgba(99,102,241,0.7); }
.btn-secondary{
  background:transparent;
  border-color:var(--border-strong);
  color:var(--text);
}
.btn-secondary:hover{ background:rgba(255,255,255,0.05); border-color:rgba(255,255,255,0.28); }
.btn-block{ width:100%; }

/* ---------- Header ---------- */

.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  background:rgba(17,18,23,0.7);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled{
  border-bottom-color:var(--border);
  background:rgba(17,18,23,0.92);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
}
.brand img{ height:30px; width:auto; }
.brand span{
  font-family:var(--font-display);
  font-weight:600;
  font-size:19px;
  letter-spacing:0.01em;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:34px;
}
.main-nav a{
  font-size:14.5px;
  font-weight:500;
  color:var(--text-secondary);
  transition:color .2s;
  position:relative;
}
.main-nav a:hover, .main-nav a.active{ color:var(--text); }

.header-actions{ display:flex; align-items:center; gap:16px; }
.header-actions .btn{ padding:11px 22px; font-size:14px; }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  align-items:center; justify-content:center;
  background:transparent; border:1px solid var(--border);
  border-radius:10px;
  color:var(--text);
}
.nav-toggle svg{ width:18px; height:18px; }

@media (max-width:920px){
  .main-nav{ display:none; }
  .header-actions .btn-secondary{ display:none; }
  .nav-toggle{ display:flex; }
}

.mobile-nav{
  position:fixed; inset:78px 0 0 0;
  background:var(--graphite);
  z-index:99;
  padding:28px 24px;
  display:flex; flex-direction:column; gap:4px;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.mobile-nav.open{ opacity:1; transform:translateY(0); visibility:visible; }
.mobile-nav a{
  padding:16px 4px;
  font-size:18px;
  font-weight:500;
  border-bottom:1px solid var(--border);
}
.mobile-nav .btn{ margin-top:20px; }

/* ---------- Hero ---------- */

.hero{
  padding:168px 0 120px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  top:-220px; right:-160px;
  width:760px; height:760px;
  background:radial-gradient(circle, var(--accent-glow) 0%, rgba(99,102,241,0) 70%);
  filter:blur(10px);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,440px) 1fr;
  gap:56px;
  align-items:center;
  perspective:1200px;
}
.hero-copy h1{
  font-size:clamp(34px, 4.6vw, 54px);
  margin-bottom:22px;
}
.hero-copy p{
  color:var(--text-secondary);
  font-size:17.5px;
  max-width:46ch;
  margin-bottom:36px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px; }
.hero-actions .btn{ white-space:normal; text-align:center; line-height:1.3; }
.hero-points{
  display:flex; flex-wrap:wrap; gap:26px;
}
.hero-point{
  display:flex; align-items:center; gap:10px;
  font-size:13.5px;
  color:var(--text-secondary);
}
.hero-point svg{ width:18px; height:18px; color:var(--accent-soft); flex-shrink:0; }

/* Hero visual composition */
.hero-visual{
  position:relative;
  height:460px;
  transition:transform .4s var(--ease);
  transform-style:preserve-3d;
  will-change:transform;
}
.hero-visual .glow{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  z-index:0;
}
.hero-visual .glow-1{
  width:340px; height:340px;
  background:rgba(99,102,241,0.4);
  top:10%; right:8%;
}
.hero-visual .glow-2{
  width:220px; height:220px;
  background:rgba(129,131,244,0.25);
  bottom:0; left:6%;
}
.hero-mark{
  position:absolute;
  right:2%;
  top:2%;
  width:150px;
  opacity:0.5;
  z-index:0;
  filter:drop-shadow(0 0 40px rgba(99,102,241,0.35));
}
.mock-laptop{
  position:absolute;
  left:0; top:26%;
  width:64%;
  z-index:2;
  animation:float-slow 7s ease-in-out infinite;
}
.mock-phone{
  position:absolute;
  right:2%; top:6%;
  width:27%;
  z-index:3;
  animation:float-slow 7s ease-in-out infinite;
  animation-delay:-2.4s;
}
.float-card{
  position:absolute;
  background:rgba(27,28,35,0.85);
  border:1px solid var(--border-strong);
  border-radius:14px;
  padding:12px 16px;
  display:flex; align-items:center; gap:10px;
  backdrop-filter:blur(10px);
  box-shadow:0 20px 40px -14px rgba(0,0,0,0.6);
  font-size:12.5px;
  font-weight:600;
  z-index:4;
  animation:float-slow 6s ease-in-out infinite;
}
.float-card svg{ width:16px; height:16px; color:var(--accent-soft); }
.float-card.card-a{ left:2%; bottom:10%; animation-delay:-1s; }
.float-card.card-b{ right:8%; bottom:2%; animation-delay:-3.5s; }

@keyframes float-slow{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-10px); }
}

@media (max-width:980px){
  .hero{ padding:136px 0 72px; }
  .hero-grid{ grid-template-columns:1fr; gap:52px; }
  .hero-visual{ height:340px; }
  .mock-laptop{ width:78%; }
  .mock-phone{ width:30%; }
}
@media (max-width:560px){
  .hero-visual{ height:280px; }
  .float-card{ display:none; }
}

/* ---------- Trust / stats strip ---------- */
.strip{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:28px 0;
}
.strip .container{
  display:flex;
  flex-wrap:wrap;
  gap:28px 48px;
  justify-content:space-between;
}
.strip-item{
  display:flex; align-items:center; gap:10px;
  font-size:14px;
  color:var(--text-secondary);
}
.strip-item svg{ width:18px; height:18px; color:var(--accent-soft); }

/* ---------- Generic section spacing ---------- */
.section{ padding:128px 0; }
.section.tight{ padding:96px 0; }
.section-alt{ background:var(--graphite-2); }

@media (max-width:720px){
  .section{ padding:80px 0; }
  .section.tight{ padding:64px 0; }
}

/* ---------- Problem section ---------- */
.problem-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.channels{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.channel-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:22px;
}
.channel-card svg{ width:22px; height:22px; color:var(--accent-soft); margin-bottom:14px; }
.channel-card h3{ font-size:15px; font-weight:600; margin-bottom:6px; }
.channel-card p{ font-size:13.5px; color:var(--text-secondary); margin:0; }
.channel-card.dim{ opacity:0.55; }
.channel-card.highlight{
  border-color:rgba(99,102,241,0.5);
  box-shadow:0 0 0 1px rgba(99,102,241,0.15), 0 20px 40px -20px rgba(99,102,241,0.4);
}

@media (max-width:860px){
  .problem-grid{ grid-template-columns:1fr; gap:40px; }
}

/* ---------- Segments ---------- */
.segments-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
}
.segment-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:26px 22px;
  transition:transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.segment-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  background:var(--card-hover);
}
.segment-card .icon-wrap{
  width:44px; height:44px;
  border-radius:12px;
  background:rgba(99,102,241,0.12);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
.segment-card svg{ width:22px; height:22px; color:var(--accent-soft); }
.segment-card h3{ font-size:16px; font-weight:600; margin-bottom:6px; }
.segment-card p{ font-size:13.5px; color:var(--text-secondary); margin:0; }

@media (max-width:980px){ .segments-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .segments-grid{ grid-template-columns:1fr; } }

/* ---------- Demonstrações ---------- */
.demo-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.demo-head-row .section-head{ margin-bottom:0; }
.demo-nav{ display:none; gap:10px; flex-shrink:0; }
@media (max-width:860px){ .demo-nav{ display:flex; } }
.demo-nav button{
  width:44px; height:44px;
  border-radius:50%;
  background:var(--card);
  border:1px solid var(--border-strong);
  color:var(--text);
  display:flex; align-items:center; justify-content:center;
  transition:background .2s, border-color .2s;
}
.demo-nav button:hover{ background:var(--card-hover); border-color:rgba(255,255,255,0.3); }
.demo-nav svg{ width:18px; height:18px; }

.demo-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
  padding-bottom:8px;
  scrollbar-width:none;
}
.demo-grid::-webkit-scrollbar{ display:none; }
.demo-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .35s var(--ease), border-color .35s var(--ease);
  display:flex;
  flex-direction:column;
  scroll-snap-align:start;
}
.demo-card:hover{ transform:translateY(-6px); border-color:var(--border-strong); box-shadow:0 30px 60px -24px rgba(0,0,0,0.55); }
.demo-preview{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.demo-preview img{ width:100%; height:100%; object-fit:cover; }
.demo-preview svg{ transition:transform .5s var(--ease); }
.demo-card:hover .demo-preview svg{ transform:scale(1.06); }
.demo-badge{
  position:absolute;
  top:14px; left:14px;
  background:rgba(17,18,23,0.75);
  border:1px solid var(--border-strong);
  backdrop-filter:blur(6px);
  padding:6px 12px;
  border-radius:999px;
  font-size:11px;
  font-weight:600;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:var(--text-secondary);
}
.demo-body{ padding:26px 28px 28px; }
.demo-body h3{ font-size:19px; margin-bottom:8px; }
.demo-body p{ font-size:14px; color:var(--text-secondary); margin:0 0 18px; }
.demo-link{
  display:inline-flex; align-items:center; gap:6px;
  font-size:14.5px; font-weight:600; color:var(--accent-soft);
  transition:gap .2s;
}
.demo-link svg{ width:16px; height:16px; transition:transform .25s var(--ease); }
.demo-card:hover .demo-link svg{ transform:translateX(4px); }

@media (max-width:860px){
  .demo-grid{
    grid-template-columns:none;
    grid-auto-flow:column;
    grid-auto-columns:82%;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    margin:0 -4px;
    padding-left:4px; padding-right:4px;
  }
  .demo-grid::-webkit-scrollbar{ display:none; }
}

.demo-cta{
  margin-top:48px;
  padding-top:40px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.demo-cta p{ font-size:17px; font-weight:500; margin:0; color:var(--text-soft); }
.demo-cta-actions{ display:flex; gap:12px; flex-wrap:wrap; }

.segments-note{
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--border);
  font-size:13.5px;
  color:var(--text-secondary);
  max-width:70ch;
}

.process-cta{
  margin-top:56px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
}
.process-cta p{ margin:0; font-size:15px; color:var(--text-secondary); }

/* ---------- Spotlight hover glow (cards) ---------- */
.spotlight{ position:relative; }
.spotlight::after{
  content:'';
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%), rgba(99,102,241,0.14), transparent 70%);
  opacity:0;
  transition:opacity .35s var(--ease);
  pointer-events:none;
}
.spotlight:hover::after{ opacity:1; }
@media (hover:none){
  .spotlight::after{ display:none; }
}

/* ---------- Como funciona ---------- */
.process{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:0;
  position:relative;
}
.process::before{
  content:'';
  position:absolute;
  top:23px; left:calc(12.5% - 0px); right:calc(12.5% - 0px);
  height:1px;
  background:var(--border-strong);
}
.process::after{
  content:'';
  position:absolute;
  top:23px; left:calc(12.5% - 0px); right:calc(12.5% - 0px);
  height:1px;
  background:linear-gradient(90deg, var(--accent), var(--accent-soft));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 1.4s var(--ease);
}
.process.in::after{ transform:scaleX(1); }
.process-step{
  padding:0 20px 0 0;
  position:relative;
}
.process-step .num{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:600;
  color:var(--accent-soft);
  width:46px; height:46px;
  border-radius:50%;
  background:var(--graphite-2);
  border:1px solid var(--border-strong);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:26px;
  position:relative;
  z-index:2;
}
.process-step h3{ font-size:17px; margin-bottom:10px; }
.process-step p{ font-size:14px; color:var(--text-secondary); margin:0; max-width:26ch; }

@media (max-width:860px){
  .process{ grid-template-columns:1fr; gap:36px; }
  .process::before{ display:none; }
  .process::after{ display:none; }
}

/* ---------- Preços ---------- */
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
  align-items:stretch;
}
.price-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  display:flex;
  flex-direction:column;
  position:relative;
}
.price-card.highlight{
  border-color:rgba(99,102,241,0.55);
  background:linear-gradient(180deg, rgba(99,102,241,0.09), var(--card) 40%);
  box-shadow:0 30px 60px -30px rgba(99,102,241,0.5);
}
.price-badge{
  position:absolute;
  top:-13px; left:30px;
  background:var(--accent);
  color:#fff;
  font-size:11px;
  font-weight:700;
  letter-spacing:0.04em;
  text-transform:uppercase;
  padding:6px 14px;
  border-radius:999px;
}
.price-card h3{ font-size:19px; margin-bottom:6px; }
.price-card .price-sub{ font-size:13.5px; color:var(--text-secondary); margin-bottom:22px; }
.price-card .price-value{
  font-family:var(--font-display);
  font-size:38px;
  font-weight:700;
  margin-bottom:4px;
}
.price-card .price-value .from{
  font-size:14px;
  font-weight:500;
  color:var(--text-secondary);
  display:block;
  margin-bottom:6px;
}
.price-card .price-term{ font-size:13px; color:var(--text-secondary); margin-bottom:26px; }
.price-list{ margin-bottom:30px; flex-grow:1; }
.price-list li{
  display:flex; align-items:flex-start; gap:10px;
  font-size:14px;
  color:var(--text-secondary);
  padding:8px 0;
  border-bottom:1px solid var(--border);
}
.price-list li:last-child{ border-bottom:none; }
.price-list svg{ width:16px; height:16px; color:var(--accent-soft); margin-top:2px; flex-shrink:0; }
.price-note{ font-size:12.5px; color:var(--text-secondary); margin-top:14px; text-align:center; }

@media (max-width:920px){
  .pricing-grid{ grid-template-columns:1fr; }
  .price-card.highlight{ order:-1; }
}

/* ---------- Care banner ---------- */
.care-banner{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:44px;
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.care-banner::before{
  content:'';
  position:absolute;
  right:-120px; top:-120px;
  width:320px; height:320px;
  background:radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events:none;
}
.care-copy h3{ font-size:24px; margin-bottom:12px; }
.care-copy p{ color:var(--text-secondary); font-size:15px; max-width:44ch; }
.care-price{
  display:flex; align-items:baseline; gap:8px;
  margin:20px 0 0;
  font-family:var(--font-display);
}
.care-price .value{ font-size:30px; font-weight:700; }
.care-price .term{ font-size:14px; color:var(--text-secondary); }
.care-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px 20px;
}
.care-list li{
  display:flex; align-items:flex-start; gap:9px;
  font-size:13.5px;
  color:var(--text-secondary);
}
.care-list svg{ width:15px; height:15px; color:var(--accent-soft); margin-top:2px; flex-shrink:0; }

@media (max-width:860px){
  .care-banner{ grid-template-columns:1fr; padding:32px 26px; }
  .care-list{ grid-template-columns:1fr; }
}

/* ---------- Por que USBRIN ---------- */
.why-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
}
.why-card{
  padding:28px 4px;
}
.why-card .icon-wrap{
  width:46px; height:46px;
  border-radius:12px;
  border:1px solid var(--border-strong);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
}
.why-card svg{ width:22px; height:22px; color:var(--accent-soft); }
.why-card h3{ font-size:16px; margin-bottom:8px; }
.why-card p{ font-size:13.5px; color:var(--text-secondary); margin:0; }

@media (max-width:920px){ .why-grid{ grid-template-columns:repeat(2,1fr); gap:32px 18px; } }
@media (max-width:560px){ .why-grid{ grid-template-columns:1fr; } }

/* ---------- Sobre ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.about-visual{
  position:relative;
  height:320px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:var(--card);
  overflow:hidden;
  display:flex; align-items:center; justify-content:center;
}
.about-visual::before{
  content:'';
  position:absolute;
  width:260px; height:260px;
  background:radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter:blur(4px);
}
.about-visual img{ width:96px; opacity:0.9; position:relative; z-index:1; }
.about-copy p{ color:var(--text-secondary); font-size:16px; margin-bottom:18px; }
.about-copy p:last-child{ margin-bottom:0; }

@media (max-width:860px){
  .about-grid{ grid-template-columns:1fr; gap:36px; }
  .about-visual{ order:-1; height:240px; }
}

/* ---------- FAQ ---------- */
.faq-list{ max-width:760px; margin:0 auto; }
.faq-item{
  border-bottom:1px solid var(--border);
}
.faq-question{
  width:100%;
  background:none; border:none;
  padding:22px 4px;
  display:flex; align-items:center; justify-content:space-between;
  gap:20px;
  text-align:left;
  color:var(--text);
  font-size:16px;
  font-weight:500;
  font-family:var(--font-body);
}
.faq-question svg{
  width:18px; height:18px;
  flex-shrink:0;
  color:var(--accent-soft);
  transition:transform .3s var(--ease);
}
.faq-item.open .faq-question svg{ transform:rotate(45deg); }
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s var(--ease);
}
.faq-answer p{
  color:var(--text-secondary);
  font-size:14.5px;
  padding:0 4px 22px;
  max-width:64ch;
  margin:0;
}

/* ---------- Contato ---------- */
.contact-panel{
  background:linear-gradient(160deg, var(--card), var(--graphite-2));
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:64px 40px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.contact-panel::before{
  content:'';
  position:absolute;
  top:-160px; left:50%;
  transform:translateX(-50%);
  width:520px; height:320px;
  background:radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  pointer-events:none;
}
.contact-panel h2{ font-size:clamp(26px,3.4vw,38px); margin-bottom:16px; position:relative; }
.contact-panel > p{ color:var(--text-secondary); max-width:48ch; margin:0 auto 34px; position:relative; }
.contact-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:40px; position:relative; }
.contact-details{
  display:flex; justify-content:center; gap:40px;
  flex-wrap:wrap;
  position:relative;
  border-top:1px solid var(--border);
  padding-top:32px;
}
.contact-detail{ display:flex; align-items:center; gap:10px; font-size:14px; color:var(--text-secondary); }
.contact-detail svg{ width:17px; height:17px; color:var(--accent-soft); }

@media (max-width:600px){
  .contact-panel{ padding:48px 22px; }
  .contact-details{ flex-direction:column; align-items:center; gap:16px; }
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border);
  padding:64px 0 32px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand .brand{ margin-bottom:14px; }
.footer-brand p{ color:var(--text-secondary); font-size:14px; max-width:32ch; }
.footer-col h2{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--text-secondary);
  margin:0 0 18px;
  font-weight:600;
}
.footer-col ul{ display:flex; flex-direction:column; gap:12px; }
.footer-col a{ font-size:14.5px; color:var(--text-secondary); transition:color .2s; }
.footer-col a:hover{ color:var(--text); }
.footer-bottom{
  border-top:1px solid var(--border);
  padding-top:28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--text-secondary);
}

@media (max-width:760px){
  .footer-top{ grid-template-columns:1fr; gap:32px; }
}

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position:fixed;
  bottom:24px; right:24px;
  z-index:90;
  width:58px; height:58px;
  border-radius:50%;
  background:linear-gradient(180deg, var(--accent-soft), var(--accent));
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 30px -8px rgba(99,102,241,0.7);
  transition:transform .25s var(--ease);
}
.wa-float:hover{ transform:scale(1.07); }
.wa-float svg{ width:26px; height:26px; color:#fff; }

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:1;
  transform:none;
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- Utility grids reused across pages ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:760px){ .grid-2{ grid-template-columns:1fr; } }

/* Usability and quote flow */
[hidden]{display:none !important;}
section[id], main[id]{scroll-margin-top:100px;}
.skip-link{position:fixed;top:8px;left:16px;padding:12px 20px;background:var(--graphite);z-index:200;transform:translateY(-180%);}
.skip-link:focus{transform:none;}
.btn{white-space:normal;text-align:center;}
.btn-primary{background:linear-gradient(180deg,#595bd8,#4b4dc4);}
.header-actions .btn-secondary{display:none;}
.main-nav{gap:24px;}
.mobile-nav{overflow-y:auto;}
body.menu-open{overflow:hidden;}
.channel-card.dim{opacity:1;}
.demo-entry{min-width:0;display:flex;flex-direction:column;scroll-snap-align:start;}
.demo-entry .demo-card{flex:1;}
.demo-benefit{font-size:13px;color:var(--text-secondary);margin:16px 8px 8px;}
.demo-request{font-size:14px;color:var(--accent-soft);padding:10px 8px;text-decoration:underline;text-underline-offset:4px;}
.demo-badge{z-index:1;color:var(--text);}
.faq-question{cursor:pointer;list-style:none;}
.faq-question::-webkit-details-marker{display:none;}
.faq-question::after{content:'+';font-size:24px;color:var(--accent-soft);}
.faq-item[open] .faq-question::after{content:'−';}
.faq-answer{max-height:none;}
.quote-form{text-align:left;max-width:780px;margin:36px auto 40px;position:relative;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;min-width:0;}
.field label,legend{font-size:14px;font-weight:600;}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:12px;border:1px solid #626370;border-radius:10px;background:var(--graphite);color:var(--text);font:inherit;color-scheme:dark;}
.field textarea{resize:vertical;}
.quote-form fieldset{margin:0 0 24px;padding:16px;border:1px solid var(--border-strong);border-radius:10px;}
.feature-options{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;}
.feature-options label{display:flex;align-items:center;gap:8px;min-height:44px;font-size:14px;}
.feature-options input{width:18px;height:18px;accent-color:var(--accent);flex-shrink:0;}
.form-note{font-size:13px;color:var(--text-secondary);line-height:1.7;}
.quote-result{margin-top:24px;padding:20px;border:1px solid var(--accent-soft);border-radius:14px;}
.quote-result pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:14px;color:var(--text-soft);}
.direct-label{color:var(--text-secondary);}
.contact-detail{overflow-wrap:anywhere;min-width:0;}
@media(max-width:1100px){.main-nav{display:none;}.nav-toggle{display:flex;}.demo-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:860px){.demo-grid{grid-template-columns:none;}}
@media(min-width:1101px){.mobile-nav{display:none;}}
@media(max-width:600px){.form-grid,.feature-options{grid-template-columns:1fr;}.header-actions{display:none;}.contact-panel{padding:36px 16px;}.demo-head-row{align-items:flex-start;flex-wrap:wrap;}.quote-result{padding:14px;}.wa-float{width:46px;height:46px;bottom:12px;right:12px;}.channels{grid-template-columns:1fr;}}