/* ============================================
   HEXTECH — Identidade Visual
   Fontes: Montserrat (títulos) + Lato (corpo)
   Paleta: Dark tech com acento ciano/azul
   ============================================ */

:root {
  --bg-primary:    #08090F;
  --bg-secondary:  #0D1520;
  --bg-card:       #111827;
  --accent:        #0094FF;
  --accent-bright: #00C8FF;
  --accent-glow:   rgba(0, 148, 255, 0.15);
  --text-primary:  #F0F4FF;
  --text-secondary:#8B9DC3;
  --text-muted:    #4A5780;
  --border:        rgba(0, 148, 255, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --radius:        8px;
  --radius-lg:     16px;
  --transition:    0.25s ease;
}

[data-theme="light"] {
  --bg-primary:    #F2F5FF;
  --bg-secondary:  #E6ECF8;
  --bg-card:       #FFFFFF;
  --accent-glow:   rgba(0, 148, 255, 0.10);
  --text-primary:  #090E1E;
  --text-secondary:#374E7A;
  --text-muted:    #6878A8;
  --border:        rgba(0, 100, 200, 0.20);
  --border-subtle: rgba(0, 0, 50, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Lato', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

img { max-width: 100%; display: block; }

/* ---- LAYOUT ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-dark  { background: var(--bg-primary); }
.section-mid   { background: var(--bg-secondary); }

section { padding: 96px 0; }

.section-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 48px;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 148, 255, 0.35);
}

.btn-outline {
  display: inline-block;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  padding: 13px 32px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.btn-outline:hover {
  background: var(--accent-glow);
  color: var(--accent-bright);
}

.btn-full { width: 100%; text-align: center; }

/* ---- NAV ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: rgba(8, 9, 15, 0.95);
  backdrop-filter: blur(12px);
  padding: 14px 0;
  box-shadow: 0 1px 0 var(--border-subtle);
}

[data-theme="light"] #navbar.scrolled {
  background: rgba(242, 245, 255, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--accent-glow);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
  pointer-events: none;
}
.icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}
.logo span { color: var(--accent-bright); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links .btn-nav {
  background: var(--accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--radius);
}
.nav-links .btn-nav:hover {
  background: var(--accent-bright);
  color: #fff;
}

/* ---- DROPDOWN ---- */
.has-dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  user-select: none;
}

.dropdown-caret {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.has-dropdown:hover .dropdown-caret,
.has-dropdown:focus-within .dropdown-caret {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: -16px;
  min-width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
  z-index: 200;
  list-style: none;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 12px 4px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
  font-size: 0.875rem;
}

.dropdown-item:hover {
  background: var(--accent-glow);
  color: var(--text-primary);
}

.dropdown-item-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  line-height: 1;
}

.dropdown-item-text {
  display: flex;
  flex-direction: column;
}

.dropdown-item-text strong {
  font-size: 0.88rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.dropdown-item-text span {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ---- HERO ---- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hex-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0, 148, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 200, 255, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hex-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 148, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 148, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

[data-theme="light"] .hex-grid {
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0, 148, 255, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 200, 255, 0.04) 0%, transparent 40%);
}
[data-theme="light"] .hex-grid::before {
  background-image:
    linear-gradient(rgba(0, 100, 200, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 100, 200, 0.06) 1px, transparent 1px);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll span {
  display: block;
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-muted);
  border-radius: 10px;
  position: relative;
}
.hero-scroll span::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-dot 1.8s ease-in-out infinite;
}
@keyframes scroll-dot {
  0%, 100% { opacity: 1; top: 5px; }
  50%       { opacity: 0; top: 16px; }
}

/* ---- STATS ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.stat-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-bright);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.stat-card cite {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: normal;
}

.problem-list {
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 32px;
}
.problem-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.problem-list ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}
.problem-list li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding-left: 16px;
  position: relative;
}
.problem-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---- SERVICES ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 148, 255, 0.12);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- STEPS ---- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 16px;
}

.step {
  text-align: center;
  padding: 0 8px;
}

.step-num {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-bright);
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.9;
}

.step h3 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-arrow {
  color: var(--accent);
  font-size: 1.5rem;
  padding-top: 12px;
  opacity: 0.5;
  align-self: flex-start;
  margin-top: 8px;
}

/* ---- SOBRE ---- */
.sobre-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.sobre-lead {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.sobre-text p:not(.sobre-lead):not(.section-tag) {
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.sobre-text strong { color: var(--text-primary); }

.credentials {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.credential {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.cred-icon { font-size: 1.2rem; }
.credential div { display: flex; flex-direction: column; }
.credential strong { font-size: 0.9rem; color: var(--text-primary); }
.credential span  { font-size: 0.8rem; color: var(--text-muted); }

.sobre-diferenciais {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}
.sobre-diferenciais h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.diff-list { display: flex; flex-direction: column; gap: 20px; }
.diff-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.diff-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 2px;
}
.diff-list strong { display: block; font-size: 0.95rem; color: var(--text-primary); margin-bottom: 2px; }
.diff-list p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }

/* ---- CONTATO ---- */
.contato-inner { max-width: 800px; }

.contato-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 560px;
}

.contato-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: 'Lato', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ---- WHATSAPP FLUTUANTE ---- */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  border-radius: 50px;
  padding: 14px 14px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  transition: padding var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
  max-width: 54px;
}
.whatsapp-float svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.whatsapp-float-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  max-width: 0;
  transition: opacity var(--transition), max-width var(--transition);
}
.whatsapp-float:hover {
  padding: 14px 20px;
  max-width: 240px;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
  transform: translateY(-2px);
}
.whatsapp-float:hover .whatsapp-float-label {
  opacity: 1;
  max-width: 180px;
}
@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45); }
  50%       { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.70), 0 0 0 8px rgba(37, 211, 102, 0.12); }
}
.whatsapp-float {
  animation: whatsapp-pulse 2.8s ease-in-out infinite;
}
.whatsapp-float:hover {
  animation: none;
}

@media (max-width: 480px) {
  .whatsapp-float { bottom: 20px; right: 16px; }
}

.contato-info {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.info-item a:hover { color: var(--accent-bright); }
.linkedin-icon { width: 1.2rem; height: 1.2rem; flex-shrink: 0; transition: color var(--transition); }
.info-item a:has(.linkedin-icon):hover .linkedin-icon { color: #0A66C2; }

/* ---- FOOTER ---- */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
footer p { color: var(--text-muted); font-size: 0.85rem; }
.footer-small { font-size: 0.78rem; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .sobre-inner { grid-template-columns: 1fr; gap: 40px; }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .step { text-align: left; padding: 20px 0; border-bottom: 1px solid var(--border-subtle); }
  .step:last-child { border-bottom: none; }
  .step-arrow { display: none; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .section-title { margin-bottom: 32px; }

  /* Dropdown no menu mobile */
  .dropdown-menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    transform: none;
    max-height: 0;
    overflow: hidden;
    box-shadow: none;
    background: transparent;
    border: none;
    border-left: 2px solid var(--accent);
    border-radius: 0;
    padding: 0;
    margin: 4px 0 4px 8px;
    transition: opacity var(--transition), max-height 0.3s ease, visibility var(--transition);
  }
  .dropdown-menu.mobile-open {
    opacity: 1;
    visibility: visible;
    max-height: 200px;
    padding: 4px 0;
  }
  .has-dropdown:hover .dropdown-menu,
  .has-dropdown:focus-within .dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: none;
  }
  .has-dropdown:hover .dropdown-caret,
  .has-dropdown:focus-within .dropdown-caret {
    transform: none;
  }
  .dropdown-menu.mobile-open ~ * .dropdown-caret,
  .dropdown-trigger[aria-expanded="true"] .dropdown-caret {
    transform: rotate(180deg);
  }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { text-align: center; }
}