/* ATI Soluções — design system */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');

:root {
  --bg: #0a0d12;
  --bg-elevated: #10151d;
  --bg-elevated-2: #161d27;
  --border: #232b36;

  --blue: #0085c6;
  --blue-bright: #29a6e6;
  --blue-dim: #045a86;

  --gray: #606060;
  --gray-light: #8a929c;

  --status: #2fbf71;

  --text: #edf1f5;
  --text-dim: #9aa4b2;
  --text-faint: #626b78;

  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(0,133,198,0.14), transparent),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(96,96,96,0.10), transparent);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status);
  box-shadow: 0 0 0 3px rgba(47,191,113,0.18);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,13,18,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img { height: 34px; width: auto; }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.15s ease;
}

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

.nav-links a.active { color: var(--blue-bright); }

.nav-cta {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 9px 18px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  color: var(--blue-bright) !important;
  transition: background 0.15s ease, color 0.15s ease;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: 2.9rem;
  line-height: 1.12;
  margin: 18px 0 20px;
}

.hero h1 span { color: var(--blue-bright); }

.hero p.lead {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.12s ease, background 0.15s ease, border-color .15s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-bright); }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--gray-light); }

/* Ops panel — signature element */
.ops-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}

.ops-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}

.ops-dots { display: flex; gap: 6px; }
.ops-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--border);
}

.ops-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.ops-row:last-child { border-bottom: none; }

.ops-row-name {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ops-icon {
  width: 30px; height: 30px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated-2);
  font-size: 0.85rem;
  font-family: var(--mono);
  color: var(--blue-bright);
  flex-shrink: 0;
}

.ops-meta { color: var(--text-faint); font-size: 0.8rem; }

.ops-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--status);
}

.ops-status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--status);
  box-shadow: 0 0 0 3px rgba(47,191,113,0.18);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@media (prefers-reduced-motion: reduce) {
  .ops-status::before { animation: none; }
}

/* Sections */
section { padding: 64px 0; }

.section-head {
  max-width: 640px;
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: 2.1rem;
  margin-top: 14px;
}

.section-head p {
  color: var(--text-dim);
  margin-top: 14px;
  font-size: 1.02rem;
}

/* Service cards */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--blue-dim);
  transform: translateY(-2px);
}

.card-icon {
  width: 42px; height: 42px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dim));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 9px;
}

.card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0;
}

/* Vendor strip */
.vendor-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 34px 0;
}

.vendor-strip .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.vendor-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.vendor-names {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  font-family: var(--display);
  font-weight: 600;
  color: var(--text-dim);
  font-size: 1.02rem;
}

.vendor-names span { color: var(--text); }

/* Two-col text */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.stat-row {
  display: flex;
  gap: 40px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.stat-num {
  font-family: var(--display);
  font-size: 2.1rem;
  color: var(--blue-bright);
  font-weight: 600;
}

.stat-label {
  color: var(--text-faint);
  font-size: 0.84rem;
  margin-top: 4px;
}

/* CTA band */
.cta-band {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 54px 48px;
  text-align: center;
  margin: 0 auto;
}

.cta-band h2 { font-size: 1.9rem; margin-bottom: 14px; }
.cta-band p { color: var(--text-dim); margin-bottom: 26px; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { height: 26px; }

.footer-links {
  display: flex;
  gap: 26px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-fine {
  color: var(--text-faint);
  font-size: 0.8rem;
  margin-top: 20px;
}

/* Page header (inner pages) */
.page-head {
  padding: 56px 0 20px;
  border-bottom: 1px solid var(--border);
}
.page-head h1 { font-size: 2.4rem; margin-top: 14px; }
.page-head p { color: var(--text-dim); margin-top: 14px; max-width: 60ch; }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child { border-bottom: none; }

.contact-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-bright);
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.contact-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-value {
  font-size: 1.02rem;
  margin-top: 4px;
}

.contact-value a:hover { color: var(--blue-bright); }

/* About page */
.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-tag {
  font-family: var(--mono);
  color: var(--blue-bright);
  font-size: 0.85rem;
}

.value-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.value-list li {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  font-size: 0.94rem;
  color: var(--text-dim);
}
.value-list li strong { color: var(--text); display: block; margin-bottom: 6px; font-family: var(--display); font-weight: 600; }

/* Responsive */
@media (max-width: 880px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px;
    gap: 18px;
  }
  .nav-links.open { display: flex; }
  header { position: sticky; }
  .nav { position: relative; }
  .menu-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .vendor-strip .wrap { flex-direction: column; align-items: flex-start; }
  .cta-band { padding: 40px 26px; }
}

@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
}

:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 2px;
}