/* Design system original da landing (Luciano). Não editar à mão:
   ajustes e páginas novas vão em site.css, que vem depois. */

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

:root {
  --bg:        #0D1B2A;
  --bg-alt:    #111f30;
  --card:      #162638;
  --border:    #1e3249;
  --cyan:      #00C2D4;
  --cyan-dim:  #009eae;
  --white:     #F0F4F8;
  --muted:     #8A9BB0;
  --font-head: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAVBAR ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 68px;
  background: rgba(13, 27, 42, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo img { height: 36px; }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color .2s;
}

.nav-links a:hover { color: var(--cyan); }

.nav-cta {
  background: var(--cyan);
  color: var(--bg) !important;
  padding: 0.45rem 1.1rem;
  border-radius: 6px;
  font-weight: 600 !important;
}

.nav-cta:hover { background: var(--cyan-dim); color: var(--bg) !important; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 5% 60px;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,194,212,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-text h1 span { color: var(--cyan); }

.hero-text p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 460px;
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-block;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background .2s, transform .15s;
}

.btn-primary:hover { background: var(--cyan-dim); transform: translateY(-1px); }

.btn-outline {
  display: inline-block;
  border: 1.5px solid var(--border);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  margin-left: 1rem;
  transition: border-color .2s;
}

.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }

/* chat mockup */
.hero-chat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.chat-header {
  background: var(--bg-alt);
  padding: 0.75rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}

.chat-dot {
  width: 8px; height: 8px; border-radius: 50%;
}

.chat-dot.r { background: #ff5f57; }
.chat-dot.y { background: #febc2e; }
.chat-dot.g { background: #28c840; }

.chat-body { padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; min-height: 240px; }

.bubble {
  max-width: 80%;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.bubble.user {
  align-self: flex-end;
  background: rgba(0,194,212,0.15);
  border: 1px solid rgba(0,194,212,0.25);
  color: var(--white);
}

.bubble.agent {
  align-self: flex-start;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--white);
}

.bubble.agent .agent-label {
  font-size: 0.7rem;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 0.3rem;
  display: block;
}

.typing-cursor {
  display: inline-block;
  width: 2px; height: 14px;
  background: var(--cyan);
  vertical-align: middle;
  animation: blink 0.9s step-end infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.result-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.78rem;
}

.result-table th {
  text-align: left;
  color: var(--cyan);
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.result-table td {
  padding: 0.3rem 0.5rem;
  color: var(--muted);
}

.result-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* ── SECTIONS SHARED ── */
section { padding: 90px 5%; }

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 3rem;
  font-size: 1rem;
}

/* ── PROBLEMA ── */
#problema { background: var(--bg-alt); }

.problema-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.prob-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color .2s;
}

.prob-card:hover { border-color: var(--cyan); }

.prob-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.prob-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.prob-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.prob-card p { color: var(--muted); font-size: 0.875rem; }

/* ── SOLUÇÃO ── */
#solucao { background: var(--bg); }

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

.solucao-features { display: flex; flex-direction: column; gap: 1.75rem; }

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: rgba(0,194,212,0.1);
  border: 1px solid rgba(0,194,212,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.feature-text h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.feature-text p { color: var(--muted); font-size: 0.875rem; }

.solucao-visual {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.flow-step:last-child { border-bottom: none; }

.flow-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: rgba(0,194,212,0.15);
  border: 1px solid var(--cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
}

.flow-text strong { display: block; font-size: 0.875rem; margin-bottom: 0.15rem; }
.flow-text span { color: var(--muted); font-size: 0.8rem; }

/* ── TECNOLOGIA ── */
#tecnologia { background: var(--bg-alt); }

.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.stat-item { text-align: center; }

.stat-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.tech-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color .2s, transform .2s;
}

.tech-card:hover { border-color: var(--cyan); transform: translateY(-3px); }

.tech-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,194,212,0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.tech-card h4 {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.tech-card p { color: var(--muted); font-size: 0.82rem; }

/* ── EQUIPE ── */
#equipe { background: var(--bg); }

.equipe-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 760px;
}

.member-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: border-color .2s;
}

.member-card:hover { border-color: var(--cyan); }

.member-social {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.member-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  background: rgba(0,194,212,0.08);
  border: 1px solid rgba(0,194,212,0.2);
  padding: 0.3rem 0.7rem;
  border-radius: 5px;
  transition: background .2s, border-color .2s;
}

.member-social a:hover {
  background: rgba(0,194,212,0.18);
  border-color: var(--cyan);
}

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}

.social-link:hover { color: var(--cyan); }

.footer-social {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.footer-social a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  transition: color .2s;
}

.footer-social a:hover { color: var(--cyan); }

.member-photo {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--cyan);
  margin-bottom: 1rem;
  display: block;
}

.member-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.member-role {
  font-size: 0.78rem;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.85rem;
}

.member-bio {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ── CONTATO ── */
#contato { background: var(--bg-alt); }

.contato-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contato-text p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contato-items { display: flex; flex-direction: column; gap: 0.75rem; }

.contato-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.contato-item span { font-size: 1.1rem; }

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group input.erro,
.form-group select.erro,
.form-group textarea.erro { border-color: #E05252 !important; }

.form-group .msg-erro {
  font-size: 0.72rem;
  color: #E05252;
  margin-top: 0.3rem;
  display: none;
}

.form-group.com-erro .msg-erro { display: block; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color .2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); opacity: 0.6; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--cyan); }

.form-group select option { background: var(--bg); }

.form-group textarea { min-height: 100px; resize: vertical; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.btn-submit {
  width: 100%;
  background: var(--cyan);
  color: var(--bg);
  border: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background .2s;
  letter-spacing: 0.02em;
}

.btn-submit:hover { background: var(--cyan-dim); }

/* ── FOOTER ── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 2.5rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

footer img { height: 28px; }

footer p { color: var(--muted); font-size: 0.8rem; }

/* ── SERVIÇOS ── */
#servicos { background: var(--bg); }

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.servico-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color .2s, transform .2s;
  position: relative;
  overflow: hidden;
}

.servico-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.servico-card.destaque {
  border-color: rgba(0,194,212,0.4);
  background: linear-gradient(135deg, #162638 0%, #0e2235 100%);
}

.servico-card.destaque::after {
  content: 'Produto próprio';
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,194,212,0.12);
  border: 1px solid rgba(0,194,212,0.25);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.servico-icon {
  font-size: 2rem;
  line-height: 1;
}

.servico-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
}

.servico-card p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
}

.servico-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.servico-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--cyan);
  background: rgba(0,194,212,0.08);
  border: 1px solid rgba(0,194,212,0.18);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .servicos-grid { grid-template-columns: 1fr; }
  .problema-grid { grid-template-columns: 1fr !important; }
}

/* ── SERVIÇOS ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner,
  .solucao-grid,
  .contato-inner { grid-template-columns: 1fr; }

  .hero-chat { display: none; }

  .problema-grid,
  .tech-grid { grid-template-columns: 1fr; }

  .equipe-grid { grid-template-columns: 1fr; max-width: 440px; }

  .stats-bar { grid-template-columns: 1fr; gap: 1rem; }

  .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; }
  .typing-cursor { animation: none; }
}

/* ── CANVAS PARTÍCULAS ── */
#particles-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

nav, section, footer {
  position: relative;
  z-index: 1;
}