/* ==========================================================================
   VELTRA TI & Consultoria — Stylesheet
   ========================================================================== */

:root {
  --navy-900: #060d1a;
  --navy-800: #0a1628;
  --navy-700: #0f1f38;
  --navy-600: #16294a;
  --cyan: #22d3ee;
  --indigo: #6366f1;
  --indigo-dark: #4f46e5;
  --text: #e8eefc;
  --text-muted: #9db0d0;
  --text-dim: #6b7fa3;
  --border: rgba(120, 150, 200, 0.16);
  --glass: rgba(18, 32, 58, 0.6);
  --card: rgba(15, 31, 56, 0.72);
  --white: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 0 1px rgba(34, 211, 238, 0.18), 0 22px 60px -22px rgba(34, 211, 238, 0.35);
  --gradient: linear-gradient(120deg, #22d3ee 0%, #6366f1 100%);
  --gradient-soft: linear-gradient(120deg, rgba(34,211,238,.16), rgba(99,102,241,.16));
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Sora", var(--font-body);
  --header-h: 74px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  background: var(--navy-900);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

/* ---------- Typography helpers ---------- */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 62ch;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(6, 13, 26, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
  background: rgba(6, 13, 26, 0.9);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px -18px rgba(0,0,0,.9);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo { display: inline-flex; align-items: center; gap: .6rem; }
.logo-mark { display: grid; place-items: center; }
.logo-text {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
}
.logo-accent { color: var(--cyan); }

.nav { display: flex; align-items: center; gap: 2rem; }

.nav-link {
  position: relative;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: .35rem 0;
  transition: color .2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transition: width .25s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  padding: .6rem 1.25rem;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--gradient-soft);
  transition: transform .2s ease, box-shadow .25s ease;
}
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 5rem;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .45;
}
.orb-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #22d3ee, transparent 70%);
  top: -140px; left: -120px;
  animation: float 16s ease-in-out infinite;
}
.orb-2 {
  width: 620px; height: 620px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  bottom: -220px; right: -160px;
  animation: float 20s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, -40px); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 150, 200, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 150, 200, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 4rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .45rem 1rem;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  margin-bottom: 1.6rem;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34,211,238,.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .55; transform: scale(.85); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.4rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 56ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .95rem 1.7rem;
  font-family: var(--font-body);
  font-size: .98rem;
  font-weight: 600;
  border-radius: 999px;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn svg { transition: transform .25s ease; }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--gradient);
  color: #04121f;
  box-shadow: 0 14px 34px -14px rgba(34,211,238,.75);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 44px -14px rgba(99,102,241,.8); }

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--glass);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: rgba(34,211,238,.5); }

.btn-block { width: 100%; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border);
}
.hero-stats li { display: flex; flex-direction: column; gap: .15rem; }
.hero-stats strong {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stats span { font-size: .82rem; color: var(--text-dim); }

/* ---------- Hero brand visual ---------- */
.hero-visual { display: flex; justify-content: center; }

.brand-panel {
  position: relative;
  display: grid;
  place-items: center;
  width: min(520px, 100%);
  min-height: 300px;
  padding: 3rem 2.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(22,41,74,.95), rgba(10,22,40,.95));
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise 1s ease both;
}
.brand-panel-glow {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,.2), transparent 68%);
  filter: blur(8px);
}
.brand-logo {
  position: relative;
  width: min(440px, 100%);
  z-index: 1;
}
.brand-panel-caption {
  position: relative;
  z-index: 1;
  max-width: 34ch;
  margin-top: 1.5rem;
  color: var(--text-muted);
  text-align: center;
  font-size: .95rem;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.dashboard-head {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .9rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(6,13,26,.5);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }
.dashboard-title {
  margin-left: .6rem;
  font-size: .8rem;
  color: var(--text-dim);
  font-weight: 500;
}

.dashboard-body { padding: 1.4rem; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
  margin-bottom: 1.4rem;
}
.kpi {
  padding: .85rem .75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--gradient-soft);
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.kpi-label { font-size: .68rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.kpi-value { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; }
.kpi-trend { font-size: .7rem; font-weight: 600; }
.kpi-trend.up { color: #34d399; }

.chart {
  display: flex;
  align-items: flex-end;
  gap: .55rem;
  height: 130px;
  padding: .5rem 0;
  border-bottom: 1px solid var(--border);
}
.bar {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 0 0;
  background: var(--gradient);
  opacity: .85;
  animation: grow .9s cubic-bezier(.2,.7,.3,1) both;
  transform-origin: bottom;
}
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

.spark { width: 100%; height: 70px; margin-top: .8rem; }

.scroll-hint {
  position: absolute;
  bottom: 1.8rem; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border);
  border-radius: 999px;
  display: grid;
  place-items: start center;
  padding-top: 7px;
}
.scroll-hint span {
  width: 4px; height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: .3; }
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding: 6rem 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(15,31,56,.45), transparent);
  border-block: 1px solid var(--border);
}

.section-head { max-width: 760px; margin-bottom: 3.2rem; }
.section-head.center { margin-inline: auto; text-align: center; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.about-card {
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.about-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34,211,238,.4);
  box-shadow: var(--shadow-glow);
}
.icon-box {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  color: var(--cyan);
  margin-bottom: 1.2rem;
}
.about-card h3 {
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 600;
  margin-bottom: .5rem;
}
.about-card p { color: var(--text-muted); font-size: .95rem; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  position: relative;
  padding: 2.2rem 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99,102,241,.45);
  box-shadow: var(--shadow-glow);
}
.service-number {
  position: absolute;
  top: 1.2rem; right: 1.4rem;
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(120,150,200,.1);
  line-height: 1;
}
.service-icon {
  width: 58px; height: 58px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  color: var(--cyan);
  margin-bottom: 1.3rem;
}
.service-title {
  font-family: var(--font-head);
  font-size: 1.14rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 1.2rem;
}
.service-list { display: flex; flex-direction: column; gap: 1rem; }
.service-list li {
  padding-left: 1.3rem;
  position: relative;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .55rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34,211,238,.15);
}
.service-list strong {
  display: block;
  font-size: .92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .15rem;
}
.service-list span { font-size: .87rem; color: var(--text-muted); }

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
.feature {
  padding: 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(22,41,74,.5), rgba(10,22,40,.5));
  text-align: left;
  transition: transform .3s ease, border-color .3s ease;
}
.feature:hover { transform: translateY(-5px); border-color: rgba(34,211,238,.4); }
.feature-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--gradient-soft);
  color: var(--cyan);
  margin-bottom: 1rem;
}
.feature h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .4rem;
}
.feature p { font-size: .88rem; color: var(--text-muted); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-top: 2.2rem;
}
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.ci-icon {
  flex: none;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  color: var(--cyan);
}
.contact-list strong {
  display: block;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
  margin-bottom: .2rem;
}
.contact-list a, .contact-list span { font-size: .98rem; color: var(--text); }
.contact-list a:hover { color: var(--cyan); }

.contact-form {
  padding: 2.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.field { display: flex; flex-direction: column; gap: .45rem; }
.field label {
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-muted);
}
.field input, .field textarea {
  width: 100%;
  padding: .85rem 1rem;
  font-family: inherit;
  font-size: .95rem;
  color: var(--text);
  background: rgba(6,13,26,.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: rgba(34,211,238,.6);
  box-shadow: 0 0 0 3px rgba(34,211,238,.14);
}

.form-note {
  font-size: .88rem;
  min-height: 1.2rem;
  text-align: center;
}
.form-note.success { color: #34d399; }
.form-note.error { color: #f87171; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-800);
  border-top: 1px solid var(--border);
  padding-top: 3.5rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr auto;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 2.5rem;
}
.footer-brand p {
  margin-top: .8rem;
  font-size: .9rem;
  color: var(--text-muted);
  max-width: 38ch;
}
.footer-nav { display: flex; flex-direction: column; gap: .7rem; }
.footer-nav a { font-size: .92rem; color: var(--text-muted); transition: color .2s ease; }
.footer-nav a:hover { color: var(--cyan); }

.footer-social { display: flex; gap: .8rem; }
.footer-social a {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text-muted);
  transition: transform .2s ease, color .2s ease, border-color .2s ease;
}
.footer-social a:hover {
  transform: translateY(-3px);
  color: var(--cyan);
  border-color: rgba(34,211,238,.5);
}

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6rem;
}
.footer-bottom p { font-size: .8rem; color: var(--text-dim); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 1.6rem; bottom: 1.6rem;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--gradient);
  color: #04121f;
  box-shadow: 0 14px 34px -14px rgba(34,211,238,.8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
  z-index: 90;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .dashboard-card { animation: none; }
  .about-grid, .services-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 6% 1.6rem;
    background: rgba(6,13,26,.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s ease, opacity .3s ease, visibility .3s;
  }
  .nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { padding: .9rem 0; border-bottom: 1px solid var(--border); }
  .nav-cta { margin-top: 1rem; text-align: center; border-radius: 12px; }
  .nav-toggle { display: flex; }
}

@media (max-width: 620px) {
  .section { padding: 4.2rem 0; }
  .about-grid, .services-grid, .features-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.4rem; }
  .hero-stats li { flex: 1 1 40%; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .contact-form { padding: 1.6rem; }
  .back-to-top { right: 1rem; bottom: 1rem; }
}