:root{
  --bg: #0a0e17;
  --bg-alt: #0d1220;
  --surface: #121828;
  --surface-2: #161e33;
  --border: rgba(255,255,255,0.08);
  --text: #e8ecf4;
  --text-dim: #9aa5b8;
  --cyan: #2ec4b6;
  --purple: #17a398;
  --gradient: linear-gradient(135deg, #3fd6c6, var(--purple));
  --font-head: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family: var(--font-head); font-weight:600; line-height:1.15; margin:0 0 .5em; }

.container{
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent{ color: var(--cyan); }

.bg-grid{
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(23,163,152,0.20), transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(46,196,182,0.16), transparent 45%);
  opacity: 0.8;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight:600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{
  background: var(--gradient);
  color: #06101c;
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 10px 30px rgba(46,196,182,0.25); }
.btn-ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); }
.btn.full{ width:100%; }

/* Header */
.site-header{
  position: sticky;
  top:0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(10,14,23,0.75);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 76px;
  gap: 24px;
}
.logo{ display:flex; align-items:center; gap:10px; }
.logo-img{ height: 52px; width:auto; }
.footer-logo-img{ height: 40px; }
.nav{ display:flex; gap: 32px; flex:1; justify-content:center; }
.nav a{ color: var(--text-dim); font-weight:500; font-size:.95rem; transition: color .15s ease; }
.nav a:hover{ color: var(--text); }
.nav-cta{ white-space:nowrap; }
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 6px;
}
.menu-toggle span{
  width: 24px; height:2px; background: var(--text); border-radius: 2px;
}

/* Hero */
.hero{ padding: 120px 0 90px; }
.hero-inner{ max-width: 760px; }
.eyebrow{
  font-family: 'monospace';
  color: var(--cyan);
  font-size: .85rem;
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.hero h1{ font-size: clamp(2.2rem, 5vw, 3.4rem); }
.hero-sub{ color: var(--text-dim); font-size: 1.1rem; max-width: 620px; margin-bottom: 32px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom: 56px; }
.hero-stats{ display:flex; gap: 40px; flex-wrap:wrap; }
.hero-stats div{ display:flex; flex-direction:column; }
.hero-stats strong{ font-family: var(--font-head); font-size: 1.8rem; color: var(--cyan); }
.hero-stats span{ color: var(--text-dim); font-size: .85rem; }

/* Sections */
.section{ padding: 96px 0; }
.section-alt{ background: var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-tag{ color: var(--cyan); font-weight:600; letter-spacing:.5px; text-transform:uppercase; font-size:.8rem; margin-bottom:12px; }
.section-title{ font-size: clamp(1.6rem, 3.5vw, 2.3rem); max-width: 640px; }
.section-desc{ color: var(--text-dim); max-width: 620px; margin-bottom: 48px; }

/* Cards */
.cards-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 22px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover{ transform: translateY(-4px); border-color: rgba(46,196,182,0.4); }
.card-icon{ font-size: 1.8rem; margin-bottom: 14px; }
.card h3{ font-size: 1.05rem; margin-bottom: 8px; }
.card p{ color: var(--text-dim); font-size: .9rem; margin:0; }

/* Portfolio */
.portfolio-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.portfolio-grid:has(> .portfolio-card:only-child){
  grid-template-columns: 1fr;
  max-width: 620px;
  margin: 0 auto;
}
.portfolio-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  display:flex;
  flex-direction:column;
  transition: transform .2s ease, border-color .2s ease;
}
.portfolio-card:hover{ transform: translateY(-4px); border-color: rgba(23,163,152,0.4); }
.portfolio-thumb{
  aspect-ratio: 17 / 5;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 2.6rem;
  overflow:hidden;
}
.portfolio-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position: center center;
}
.ph-1{ background: linear-gradient(135deg, rgba(46,196,182,0.18), rgba(23,163,152,0.08)); }
.ph-2{ background: linear-gradient(135deg, rgba(23,163,152,0.18), rgba(46,196,182,0.08)); }
.ph-3{ background: linear-gradient(135deg, rgba(46,196,182,0.14), rgba(255,255,255,0.03)); }
.ph-4{ background: linear-gradient(135deg, rgba(23,163,152,0.14), rgba(255,255,255,0.03)); }
.portfolio-body{ padding: 22px; flex:1; display:flex; flex-direction:column; }
.tag-group{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom: 12px; }
.tag{
  display:inline-block;
  align-self:flex-start;
  background: rgba(46,196,182,0.1);
  color: var(--cyan);
  font-size: .75rem;
  font-weight:600;
  padding: 4px 10px;
  border-radius: 999px;
}
.portfolio-body h3{ font-size: 1.1rem; }
.portfolio-body p{ color: var(--text-dim); font-size: .9rem; flex:1; }
.portfolio-link{ color: var(--cyan); font-weight:600; font-size: .9rem; margin-top: 12px; }
.portfolio-link:hover{ text-decoration: underline; }
.portfolio-links{ display:flex; flex-direction:column; gap:8px; margin-top: 12px; }
.portfolio-links .portfolio-link{ margin-top:0; }

/* About */
.about-inner{
  display:grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items:center;
}
.about-text p{ color: var(--text-dim); }
.about-list{ margin-top: 20px; display:flex; flex-direction:column; gap:10px; }
.about-list li{ padding-left: 26px; position:relative; color: var(--text); }
.about-list li::before{
  content: "✓";
  position:absolute; left:0; color: var(--cyan); font-weight:700;
}
.about-visual{ display:flex; justify-content:center; }
.glow-card{
  width: 220px; height: 220px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 0 80px rgba(46,196,182,0.25);
}
.glow-logo{ width: 60%; height:auto; }

/* Reviews */
.reviews-summary{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom: 36px;
}
.reviews-score{ font-family: var(--font-head); font-size: 2.2rem; font-weight:700; }
.reviews-stars{ color:#ffb400; font-size: 1.3rem; letter-spacing:2px; }
.reviews-count{ color: var(--text-dim); font-size: .95rem; }
.reviews-summary .btn{ margin-left:auto; }
.reviews-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.review-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px;
  display:flex;
  flex-direction:column;
  gap: 12px;
}
.review-card .review-stars{ color:#ffb400; font-size: .95rem; letter-spacing:2px; }
.review-card p{ color: var(--text); font-size: .92rem; flex:1; margin:0; }
.review-author{ display:flex; align-items:center; justify-content:space-between; color: var(--text-dim); font-size: .85rem; font-weight:600; }
.review-source{ display:inline-flex; align-items:center; }
.reviews-cta{ text-align:center; }

/* Contact */
.contact-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items:start;
}
.contact-items{ margin-top: 28px; display:flex; flex-direction:column; gap:16px; }
.contact-item{
  display:flex; align-items:center; gap:12px;
  color: var(--text-dim);
  font-weight:500;
}
.contact-item span{ font-size:1.2rem; }
a.contact-item:hover{ color: var(--cyan); }

.contact-form{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  display:flex;
  flex-direction:column;
  gap: 18px;
}
.contact-form label{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size: .9rem;
  color: var(--text-dim);
}
.contact-form input,
.contact-form textarea{
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: .95rem;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline: none;
  border-color: var(--cyan);
}
.form-note{ font-size: .85rem; color: var(--cyan); min-height: 1em; margin:0; }

/* Footer */
.site-footer{ padding: 40px 0; border-top: 1px solid var(--border); }
.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 12px;
  text-align:center;
  color: var(--text-dim);
  font-size: .85rem;
}
.footer-legal{ margin:0; }
.footer-legal a{ color: var(--text-dim); text-decoration: underline; }
.footer-legal a:hover{ color: var(--text); }

/* Demonstração em vídeo */
.demo-hero{ padding: 100px 0 60px; text-align:center; }
.demo-hero-inner{ max-width: 720px; margin: 0 auto; }
.demo-hero .section-desc{ margin: 0 auto; }

.demo-showcase{ display:flex; flex-direction:column; gap: 96px; }
.demo-block{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items:center;
}
.demo-block.reverse .demo-video{ order: 2; }
.demo-block.reverse .demo-info{ order: 1; }

.demo-video{
  position:relative;
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.demo-video video, .demo-video img{ width:100%; display:block; }
.video-frame{ position:relative; }
.video-badge{
  position:absolute;
  left:16px; bottom:16px;
  background: rgba(10,14,23,0.85);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: .8rem;
  font-weight:600;
  padding: 6px 12px;
  border-radius: 999px;
}

.demo-info h3{ font-size: 1.5rem; margin-bottom: 6px; }
.demo-info .section-tag{ margin-bottom: 8px; }
.demo-info p.demo-desc{ color: var(--text-dim); margin-bottom: 20px; }
.demo-feature-list{ display:flex; flex-direction:column; gap:10px; margin-bottom: 28px; }
.demo-feature-list li{ padding-left: 26px; position:relative; color: var(--text); font-size: .95rem; }
.demo-feature-list li::before{ content: "✓"; position:absolute; left:0; color: var(--cyan); font-weight:700; }
.demo-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.demo-cta{ text-align:center; padding-top: 40px; }

@media (max-width: 900px){
  .demo-block, .demo-block.reverse{ grid-template-columns: 1fr; }
  .demo-block.reverse .demo-video, .demo-block.reverse .demo-info{ order: initial; }
}

/* Páginas legais (privacidade, termos) */
.legal-page{ max-width: 760px; margin: 0 auto; padding: 64px 24px 80px; }
.legal-page h1{ font-size: 1.8rem; margin-bottom: 4px; }
.legal-page .legal-updated{ color: var(--text-dim); font-size: .85rem; margin-bottom: 32px; }
.legal-page h2{ font-family: var(--font-head); font-size: 1.05rem; margin-top: 28px; color: var(--cyan); }
.legal-page p, .legal-page li{ color: var(--text-dim); font-size: .95rem; line-height: 1.7; }
.legal-page ul{ list-style: disc; padding-left: 22px; margin: 8px 0; }
.legal-page a{ color: var(--cyan); text-decoration: underline; }
.legal-page .back-link{ display:inline-block; margin-bottom: 24px; color: var(--cyan); text-decoration: none; font-size: .9rem; }

/* Responsive */
@media (max-width: 900px){
  .cards-grid{ grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid{ grid-template-columns: 1fr; }
  .about-inner, .contact-inner{ grid-template-columns: 1fr; }
  .about-visual{ order:-1; }
  .reviews-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px){
  .nav, .nav-cta{ display:none; }
  .menu-toggle{ display:flex; }
  .cards-grid{ grid-template-columns: 1fr; }
  .hero{ padding: 90px 0 60px; }
  .reviews-grid{ grid-template-columns: 1fr; }
  .reviews-summary .btn{ margin-left:0; }

  body.nav-open .nav{
    display:flex;
    flex-direction:column;
    position:absolute;
    top: 76px;
    left:0; right:0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
  }
  body.nav-open .nav-cta{
    display:flex;
    position:absolute;
    top: calc(76px + 200px);
    left:24px; right:24px;
  }
}