nav/* =========================================
   INOVAFLOWTEC - Modern Corporate Website
   ========================================= */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:    #2563EB;
  --blue-dk: #1D4ED8;
  --blue-lt: #EFF6FF;
  --green:   #16A34A;
  --green-lt:#F0FDF4;
  --purple:  #7C3AED;
  --purple-lt:#F5F3FF;
  --orange:  #EA580C;
  --orange-lt:#FFF7ED;
  --red-lt:  #FEF2F2;
  --dark:    #0F172A;
  --dark-2:  #1E293B;
  --mid:     #475569;
  --light:   #94A3B8;
  --border:  #E2E8F0;
  --bg:      #F8FAFC;
  --white:   #FFFFFF;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(15,23,42,.08);
  --shadow-lg:0 12px 48px rgba(15,23,42,.14);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--dark);
  background: var(--blue);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- Typography ---- */
h1 { font-family: 'Sora', sans-serif; font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 800; line-height: 1.15; }
h2 { font-family: 'Sora', sans-serif; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.2rem; font-weight: 700; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius);
  font-weight: 600; font-size: .95rem; cursor: pointer;
  border: none; transition: all var(--transition);
}
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--blue); color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
}
.btn-primary:hover { background: var(--blue-dk); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.45); }

.btn-ghost {
  background: rgba(255,255,255,.12); color: var(--white);
  border: 1.5px solid rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.2); }

.btn-nav {
  background: var(--blue); color: var(--white); padding: 10px 20px;
}
.btn-nav:hover { background: var(--blue-dk); }

.btn-whatsapp {
  background: #25D366; color: var(--white);
  box-shadow: 0 4px 14px rgba(37,211,102,.3);
}
.btn-whatsapp:hover { background: #128C7E; transform: translateY(-2px); }

/* ---- Tags ---- */
.tag {
  display: inline-block; padding: 4px 14px; border-radius: 99px;
  font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
}
.tag-blue   { background: var(--blue-lt);   color: var(--blue); }
.tag-green  { background: var(--green-lt);  color: var(--green); }
.tag-purple { background: var(--purple-lt); color: var(--purple); }
.tag-orange { background: var(--orange-lt); color: var(--orange); }
.tag-red    { background: var(--red-lt);    color: #DC2626; }

/* ---- Section Header ---- */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section-header .tag { margin-bottom: 14px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p  { color: var(--mid); font-size: 1.05rem; }

/* ---- Reveal Animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 16px rgba(15,23,42,.08);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,.98);
  box-shadow: 0 2px 24px rgba(15,23,42,.13);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
/* Logo imagem */
.logo-img-wrap { display: flex; align-items: center; }
.logo-img { height: 42px; width: auto; display: block; }

/* Logo texto (fallback) */
.logo { font-family: 'Sora', sans-serif; font-size: 1.4rem; font-weight: 800; }
.logo-inova { color: var(--blue); }
.logo-flow  { color: var(--dark); }
.logo-tec   { color: var(--blue); }
.navbar.scrolled .logo-flow { color: var(--dark); }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a:not(.btn) {
  font-size: .92rem; font-weight: 500; color: var(--blue-dk);
  transition: color var(--blue-dk);
}
.navbar.scrolled .nav-links a:not(.btn) { color: var(--dark-2); }
.nav-links a:not(.btn):hover { color: var(--blue); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--dark); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none; flex-direction: column; gap: 8px; padding: 16px 24px 24px;
  background: var(--white); border-top: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.mobile-menu a { color: var(--dark); font-weight: 500; padding: 10px 0; }
.mobile-menu.open { display: flex; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.85) 0%, rgba(37,99,235,.6) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  padding-top: 120px; padding-bottom: 80px;
  max-width: 780px;
}
.hero-badge {
  display: inline-block; padding: 6px 18px; border-radius: 99px;
  background: rgba(255,255,255,.15); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white); font-size: .82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 24px;
}
.hero-title { color: var(--white); margin-bottom: 24px; }
.hero-title .highlight {
  background: linear-gradient(90deg, #60A5FA, #A78BFA);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub {
  color: rgba(255,255,255,.85); font-size: 1.12rem; max-width: 620px; margin-bottom: 40px;
}
.hero-sub strong { color: var(--white); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex; align-items: center; gap: 0;
  background: rgba(255,255,255,.1); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius); padding: 24px 32px;
  width: fit-content;
}
.stat { text-align: center; padding: 0 28px; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--white); font-family: 'Sora', sans-serif; }
.stat-label  { display: block; font-size: .78rem; color: rgba(255,255,255,.7); margin-top: 2px; }
.stat-divider { width: 1px; height: 48px; background: rgba(255,255,255,.2); }

.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 1; text-align: center; color: rgba(255,255,255,.6);
  font-size: .78rem; letter-spacing: .04em; text-transform: uppercase;
  animation: fadeInUp 2s ease 1s both;
}
.scroll-arrow {
  width: 24px; height: 24px; margin: 8px auto 0;
  border-right: 2px solid rgba(255,255,255,.5);
  border-bottom: 2px solid rgba(255,255,255,.5);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}
@keyframes bounce { 0%,100%{transform:rotate(45deg) translateY(0)} 50%{transform:rotate(45deg) translateY(6px)} }
@keyframes fadeInUp { from{opacity:0;transform:translateX(-50%) translateY(20px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }

/* ============================================
   PROBLEMS
   ============================================ */
.problems {
  padding: 100px 0; background: var(--bg);
}
.problems-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.problem-card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 24px; border: 1px solid var(--border);
  transition: all var(--transition);
}
.problem-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.problem-icon { font-size: 2.2rem; margin-bottom: 16px; }
.problem-card h3 { margin-bottom: 10px; color: var(--dark); }
.problem-card p  { color: var(--mid); font-size: .93rem; }

/* ============================================
   PILARES
   ============================================ */
.pilares { padding: 100px 0; }

.pilar-block {
  display: grid; gap: 64px; align-items: center;
  margin-bottom: 100px;
}
.pilar-block:last-child { margin-bottom: 0; }
.pilar-right { grid-template-columns: 1fr 1fr; }
.pilar-left  { grid-template-columns: 1fr 1fr; }
.pilar-left .pilar-text  { order: 1; }
.pilar-left .pilar-img-wrap { order: 2; }

.pilar-img-wrap {
  position: relative; border-radius: 20px; overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.pilar-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.pilar-img-wrap:hover img { transform: scale(1.04); }

.pilar-badge {
  position: absolute; top: 20px; left: 20px;
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Sora', sans-serif; font-size: 1rem; font-weight: 800;
  color: var(--white);
}
.pilar-badge-blue   { background: var(--blue); }
.pilar-badge-green  { background: var(--green); }
.pilar-badge-purple { background: var(--purple); }
.pilar-badge-orange { background: var(--orange); }

.pilar-text .tag  { margin-bottom: 16px; }
.pilar-text h3    { font-size: 1.7rem; font-family: 'Sora', sans-serif; margin-bottom: 16px; }
.pilar-text > p   { color: var(--mid); font-size: 1rem; margin-bottom: 24px; }

.pilar-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pilar-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .93rem; color: var(--dark-2);
}
.pilar-list li::before {
  content: '✓'; display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; min-width: 20px;
  background: var(--blue-lt); color: var(--blue);
  border-radius: 50%; font-size: .72rem; font-weight: 700; margin-top: 1px;
}

.pilar-metric {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg); border-radius: var(--radius); padding: 20px 24px;
  border-left: 4px solid var(--blue);
}
.metric-num  { font-size: 2rem; font-weight: 800; font-family: 'Sora', sans-serif; color: var(--blue); white-space: nowrap; }
.metric-text { font-size: .88rem; color: var(--mid); }

/* ============================================
   SERVIÇOS
   ============================================ */
.servicos { padding: 100px 0; background: var(--bg); }

.servicos-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.servico-card {
  background: var(--white); border-radius: var(--radius);
  padding: 36px 28px; border: 1px solid var(--border);
  transition: all var(--transition);
}
.servico-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }

.servico-icon-wrap {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.servico-icon-wrap svg { width: 26px; height: 26px; }
.servico-icon-wrap.blue   { background: var(--blue-lt);   color: var(--blue); }
.servico-icon-wrap.green  { background: var(--green-lt);  color: var(--green); }
.servico-icon-wrap.purple { background: var(--purple-lt); color: var(--purple); }
.servico-icon-wrap.orange { background: var(--orange-lt); color: var(--orange); }

.servico-card h3 { margin-bottom: 12px; }
.servico-card > p { color: var(--mid); font-size: .92rem; margin-bottom: 20px; }
.servico-card ul { display: flex; flex-direction: column; gap: 8px; }
.servico-card ul li {
  font-size: .88rem; color: var(--dark-2); padding-left: 14px; position: relative;
}
.servico-card ul li::before {
  content: ''; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%); width: 6px; height: 6px;
  background: var(--blue); border-radius: 50%;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  position: relative; padding: 100px 0; overflow: hidden;
}
.cta-banner-bg {
  position: absolute; inset: 0;
}
.cta-banner-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.9) 0%, rgba(37,99,235,.75) 100%);
}
.cta-banner-content {
  position: relative; z-index: 1; text-align: center; color: var(--white);
  max-width: 640px; margin: 0 auto;
}
.cta-banner-content h2 { color: var(--white); margin-bottom: 20px; }
.cta-banner-content p  { color: rgba(255,255,255,.8); font-size: 1.08rem; margin-bottom: 36px; }

/* ============================================
   PROCESSO
   ============================================ */
.processo { padding: 100px 0; }

.processo-steps {
  display: flex; align-items: flex-start; gap: 0;
  position: relative;
}
.step {
  flex: 1; text-align: center; padding: 0 20px;
}
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  font-family: 'Sora', sans-serif; font-size: 1.1rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(37,99,235,.35);
  position: relative; z-index: 1;
}
.step-content h3 { margin-bottom: 10px; }
.step-content p  { color: var(--mid); font-size: .92rem; }
.step-connector {
  flex: 0 0 auto; width: 60px;
  height: 2px; background: var(--border);
  margin-top: 32px; position: relative;
}
.step-connector::after {
  content: ''; position: absolute; right: -6px; top: -5px;
  border: 6px solid transparent; border-left-color: var(--border);
}

/* ============================================
   DEPOIMENTOS
   ============================================ */
.depoimentos { padding: 100px 0; background: var(--bg); }

.dep-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.dep-card {
  background: var(--white); border-radius: var(--radius);
  padding: 36px; border: 1px solid var(--border);
  transition: all var(--transition);
}
.dep-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.dep-stars { color: #F59E0B; font-size: 1.1rem; margin-bottom: 16px; }
.dep-card > p { color: var(--mid); font-size: .95rem; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.dep-author { display: flex; align-items: center; gap: 14px; }
.dep-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: var(--white); font-weight: 700; font-size: .88rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.dep-author strong { display: block; font-size: .92rem; }
.dep-author span   { display: block; font-size: .8rem; color: var(--light); }

/* ============================================
   CONTATO
   ============================================ */
.contato { padding: 100px 0; }
.contato-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start;
}
.contato-text .tag   { margin-bottom: 20px; }
.contato-text h2     { margin-bottom: 20px; }
.contato-text > p    { color: var(--mid); font-size: 1rem; margin-bottom: 32px; }

.contato-features    { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; }
.cf-item             { display: flex; align-items: flex-start; gap: 12px; font-size: .93rem; color: var(--dark-2); }
.cf-icon             { color: var(--green); font-weight: 700; font-size: 1rem; margin-top: 1px; }

.contato-form-wrap {
  background: var(--bg); border-radius: 20px; padding: 40px;
  border: 1px solid var(--border);
}
.contato-form h3  { font-size: 1.2rem; margin-bottom: 28px; }
.form-group       { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--dark-2); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: 8px;
  border: 1.5px solid var(--border); background: var(--white);
  font-family: 'Inter', sans-serif; font-size: .93rem; color: var(--dark);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select  { appearance: none; cursor: pointer; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--dark); color: rgba(255,255,255,.7); }
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px; padding: 72px 0 48px;
}
.footer-brand p { font-size: .9rem; margin-top: 16px; max-width: 260px; line-height: 1.7; }
.footer-links, .footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4, .footer-contact h4 {
  color: var(--white); font-size: .85rem; text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 8px;
}
.footer-links a     { font-size: .88rem; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-contact p   { font-size: .88rem; margin-bottom: 16px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
  .servicos-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner  { grid-template-columns: 1fr 1fr; gap: 36px; }
  .processo-steps { flex-direction: column; align-items: center; gap: 32px; }
  .step-connector { width: 2px; height: 40px; margin: 0; }
  .step-connector::after {
    right: -5px; top: auto; bottom: -6px;
    border: 6px solid transparent; border-top-color: var(--border); border-left-color: transparent;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-stats { flex-direction: column; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
  .pilar-block { grid-template-columns: 1fr !important; gap: 32px; }
  .pilar-left .pilar-text  { order: 2; }
  .pilar-left .pilar-img-wrap { order: 1; }
  .dep-grid  { grid-template-columns: 1fr; }
  .contato-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

@media (max-width: 640px) {
  .problems-grid { grid-template-columns: 1fr; }
  .servicos-grid { grid-template-columns: 1fr; }
  .footer-inner  { grid-template-columns: 1fr; }
  .hero-stats .stat { padding: 0 16px; }
  .section-header { margin-bottom: 40px; }
}