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

:root {
  --bg:          #050d1a;
  --surface:     #0a1628;
  --surface-2:   #0e1e35;
  --border:      #0f2040;
  --green:       #00e676;
  --green-dim:   #00c853;
  --blue-accent: #2962ff;
  --white:       #f0f4f8;
  --muted:       #6b7e99;
  --glow:        rgba(0, 230, 118, 0.12);
  --radius:      8px;
  --transition:  0.22s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ──────────────────────────────────────────
   NAV
────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 6%;
  background: rgba(5, 13, 26, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

#navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(5, 13, 26, 0.97);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
}

.logo-text span { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
}

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

.nav-cta {
  border: 1px solid var(--green) !important;
  color: var(--green) !important;
  padding: 0.42rem 1.1rem;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition) !important;
}

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

/* Hamburger */
.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: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ──────────────────────────────────────────
   HERO
────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 9rem 6% 7rem;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,230,118,0.07) 0%, transparent 68%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-badge {
  display: inline-block;
  border: 1px solid var(--border);
  background: var(--glow);
  color: var(--green);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.32rem 1rem;
  border-radius: 20px;
  margin-bottom: 1.8rem;
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--green);
}

.hero p {
  max-width: 540px;
  margin: 0 auto 2.8rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--green);
  color: var(--bg);
  padding: 0.78rem 1.9rem;
  border-radius: 5px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  transition: opacity var(--transition), transform var(--transition);
}

.btn-primary:hover {
  opacity: 0.86;
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--white);
  padding: 0.78rem 1.9rem;
  border-radius: 5px;
  font-size: 0.9rem;
  transition: border-color var(--transition), color var(--transition);
}

.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ──────────────────────────────────────────
   SECTION DEFAULTS
────────────────────────────────────────── */
section { padding: 6rem 6%; }

.section-dark {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--green);
  margin-bottom: 0.7rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.section-sub {
  color: var(--muted);
  font-size: 0.97rem;
  max-width: 480px;
}

/* ──────────────────────────────────────────
   SEGMENTS
────────────────────────────────────────── */
.segments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.segment-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.segment-card:hover {
  border-color: var(--green);
  transform: translateY(-5px);
}

.segment-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-bottom: 1.4rem;
}

.segment-icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.segment-card.pme .segment-icon {
  background: rgba(41, 98, 255, 0.1);
  border: 1px solid rgba(41, 98, 255, 0.3);
}

.segment-card.pme .segment-icon svg { stroke: var(--blue-accent); }

.segment-card.isp .segment-icon {
  background: var(--glow);
  border: 1px solid rgba(0, 230, 118, 0.25);
}

.segment-card.isp .segment-icon svg { stroke: var(--green); }

.segment-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.segment-card p {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 1.4rem;
  line-height: 1.7;
}

.segment-features {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.segment-features li {
  font-size: 0.88rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.segment-features li::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.segment-card.pme .segment-features li::before { background: var(--blue-accent); }
.segment-card.isp .segment-features li::before  { background: var(--green); }

/* ──────────────────────────────────────────
   SERVICES
────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}

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

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--glow);
  border: 1px solid rgba(0, 230, 118, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.service-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--green);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.87rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ──────────────────────────────────────────
   MONITORAMENTO
────────────────────────────────────────── */
.monitoring-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.monitoring-tool {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem;
  background: var(--surface);
  transition: border-color var(--transition), transform var(--transition);
}

.monitoring-tool:hover          { transform: translateY(-4px); }
.monitoring-tool.zabbix:hover   { border-color: #d40000; }
.monitoring-tool.grafana:hover  { border-color: #f46800; }

.tool-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.tool-logo-wrap {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
}

.tool-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.tool-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.tool-role {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.monitoring-tool p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1.4rem;
}

.tool-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tool-features li {
  font-size: 0.87rem;
  color: var(--muted);
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.tool-features li::before {
  content: '→';
  color: var(--green);
  flex-shrink: 0;
  font-size: 0.8rem;
  margin-top: 0.1rem;
}

/* Monitoring features grid */
.monitoring-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 2.5rem;
}

.mon-feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color var(--transition), transform var(--transition);
}

.mon-feature-card:hover {
  border-color: var(--green);
  transform: translateY(-3px);
}

.mon-icon {
  width: 40px;
  height: 40px;
  background: var(--glow);
  border: 1px solid rgba(0,230,118,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.mon-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--green);
  fill: none;
}

.mon-feature-card h4 {
  font-size: 0.93rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.mon-feature-card p {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ──────────────────────────────────────────
   ABOUT
────────────────────────────────────────── */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-visual {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(0,230,118,0.04) 28px,
    rgba(0,230,118,0.04) 29px
  );
  pointer-events: none;
}

.about-visual-center {
  position: relative;
  z-index: 1;
}

.about-visual-center svg {
  width: 80px;
  height: 80px;
  opacity: 0.7;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 2rem;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.about-list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  margin-top: 0.5rem;
}

/* ──────────────────────────────────────────
   CONTACT
────────────────────────────────────────── */
#contato {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-inner {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}

.contact-inner .section-sub {
  max-width: 100%;
  margin: 0 auto 2.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  text-align: left;
}

form input,
form select,
form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.82rem 1rem;
  color: var(--white);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

form input::placeholder,
form textarea::placeholder { color: var(--muted); }

form select {
  color: var(--muted);
  appearance: none;
  cursor: pointer;
}

form select.selected { color: var(--white); }

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

form input.error,
form select.error,
form textarea.error { border-color: #f44336; }

form textarea {
  resize: vertical;
  min-height: 120px;
}

form button {
  background: var(--green);
  color: var(--bg);
  border: none;
  padding: 0.88rem;
  border-radius: 5px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: opacity var(--transition), transform var(--transition);
  width: 100%;
  margin-top: 0.2rem;
}

form button:hover   { opacity: 0.88; }
form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-feedback {
  font-size: 0.88rem;
  text-align: center;
  min-height: 1.2em;
  margin-top: 0.2rem;
}

.form-feedback.success { color: var(--green); }
.form-feedback.error   { color: #f44336; }

/* ──────────────────────────────────────────
   FOOTER
────────────────────────────────────────── */
footer {
  padding: 3rem 6% 2rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 1.5rem 2rem;
  align-items: start;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--muted);
  margin-left: 0.2rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--green); }

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
  grid-column: 1 / -1;
}

/* ──────────────────────────────────────────
   SCROLL REVEAL
────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ──────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 6%;
    gap: 1.2rem;
  }

  .nav-links.open { display: flex; }

  .hamburger { display: flex; }

  .monitoring-stack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  section { padding: 4.5rem 5%; }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-ghost { text-align: center; }
}