:root {
  --navy: #0a0f1e;
  --ink: #10223d;
  --muted: #65738a;
  --line: #dce6f2;
  --paper: #f5f8fc;
  --white: #fff;
  --blue: #0b5cff;
  --cyan: #00d4ff;
  --purple: #7b2fff;
  --green: #13a75b;
  --danger: #b42318;
  --shadow: 0 24px 70px rgba(10, 15, 30, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid rgba(0, 212, 255, .45); outline-offset: 3px; }
.container { width: min(1160px, calc(100% - 32px)); margin-inline: auto; }
.skip-link { position: absolute; top: -48px; left: 16px; z-index: 40; padding: 10px 14px; border-radius: 8px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(220, 230, 242, .9);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(16px);
}
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand-link-home { display: inline-flex; align-items: center; color: inherit; }
.brand-link-home:hover { text-decoration: none; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--navy); font-weight: 900; }
.brand-light { color: #fff; }
.brand-text { font-size: 1.45rem; letter-spacing: 0; }
.brand-text span { color: var(--cyan); }
.brand-mark { position: relative; width: 48px; height: 48px; flex: 0 0 48px; display: inline-block; }
.brand-link {
  position: absolute;
  width: 34px;
  height: 18px;
  border: 7px solid transparent;
  border-radius: 999px;
  transform: rotate(-42deg);
  filter: drop-shadow(0 10px 20px rgba(11, 92, 255, .2));
}
.brand-link-a {
  left: 1px;
  top: 12px;
  border-top-color: var(--cyan);
  border-left-color: var(--blue);
  border-bottom-color: var(--blue);
}
.brand-link-b {
  right: 1px;
  top: 18px;
  border-top-color: var(--purple);
  border-right-color: var(--purple);
  border-bottom-color: var(--cyan);
}
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: #23334d; font-weight: 760; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 19px; height: 2px; margin: auto; background: var(--navy); content: ""; }
.menu-toggle span::before { transform: translateY(-6px); }
.menu-toggle span::after { transform: translateY(4px); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 850;
  line-height: 1.15;
  cursor: pointer;
  text-align: center;
}
.button:hover { text-decoration: none; }
.button-primary, .button-primary:visited, .nav-links .button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #009bff 50%, var(--cyan));
  box-shadow: 0 14px 28px rgba(11, 92, 255, .24);
}
.button-whatsapp, .button-whatsapp:visited { color: #fff; background: var(--green); }
.button-secondary { color: var(--navy); background: #fff; border-color: var(--line); }

h1, h2, h3 { margin: 0; color: var(--navy); line-height: 1.08; letter-spacing: 0; }
h1 { font-size: clamp(2.45rem, 5vw, 4.75rem); }
h2 { font-size: clamp(1.85rem, 3vw, 2.65rem); }
h3 { font-size: 1.16rem; }
p { margin: 0; }
section { padding: 72px 0; }
.section-white { background: #fff; }
.section-dark { color: #dce9f8; background: var(--navy); }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-kicker { color: var(--blue); font-size: .82rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.section-head { display: grid; gap: 12px; max-width: 840px; margin-bottom: 30px; }
.muted { color: var(--muted); }

.home-hero, .lp-hero {
  position: relative;
  overflow: hidden;
  padding: 78px 0;
  background:
    radial-gradient(circle at 76% 20%, rgba(0, 212, 255, .18), transparent 31%),
    linear-gradient(180deg, #fff 0%, #eef6fb 100%);
}
.home-grid, .lp-hero-grid { display: grid; grid-template-columns: minmax(0, .98fr) minmax(360px, 1.02fr); gap: 42px; align-items: center; }
.hero-copy { display: grid; gap: 20px; }
.hero-sub { max-width: 760px; color: #364a64; font-size: clamp(1.06rem, 1.6vw, 1.25rem); }
.hero-actions, .cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-proof, .trust-row { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-proof span, .trust-row span {
  display: inline-flex;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #25405d;
  background: #fff;
  font-size: .9rem;
  font-weight: 780;
}
.api-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(0, 212, 255, .35);
  border-radius: 999px;
  color: #064c73;
  background: #ecfbff;
  font-weight: 880;
}
.api-badge span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 rgba(19, 167, 91, .45);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(19, 167, 91, .5); }
  70% { box-shadow: 0 0 0 10px rgba(19, 167, 91, 0); }
  100% { box-shadow: 0 0 0 0 rgba(19, 167, 91, 0); }
}

.connect-visual, .terminal-card, .form-card, .card, .case-card, .comparison-card, .step-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(10, 15, 30, .06);
}
.connect-visual { overflow: hidden; }
.visual-header { display: flex; justify-content: space-between; gap: 16px; padding: 18px 20px; color: #fff; background: var(--navy); }
.visual-header span { color: var(--cyan); font-weight: 850; }
.connection-map { padding: 26px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; background: linear-gradient(180deg, #fff, #f1f7ff); }
.system-node { min-height: 78px; display: grid; place-items: center; padding: 15px; border: 1px solid var(--line); border-radius: 8px; color: var(--navy); background: #fff; font-weight: 880; text-align: center; }
.system-node.core { grid-column: 1 / -1; min-height: 116px; color: #fff; background: radial-gradient(circle at 20% 20%, var(--cyan), transparent 25%), linear-gradient(135deg, var(--navy), #13294f); }

.terminal-card { overflow: hidden; background: #07101f; color: #d7f8ff; }
.terminal-bar { display: flex; gap: 7px; padding: 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.terminal-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); }
.terminal-bar span:nth-child(2) { background: var(--purple); }
.terminal-bar span:nth-child(3) { background: var(--green); }
pre { margin: 0; white-space: pre-wrap; font: 700 .94rem/1.75 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; }
.terminal-card pre, .code-panel pre { padding: 24px; }

.logo-strip { padding: 34px 0; background: #edf2f7; }
.logo-carousel { overflow: hidden; margin-top: 14px; }
.logo-track { display: flex; width: max-content; gap: 12px; animation: marquee 28s linear infinite; }
.logo-track span { min-width: 148px; padding: 13px 18px; border: 1px solid #d1dbe8; border-radius: 8px; color: #45546b; background: #f8fafc; font-weight: 850; text-align: center; }
@keyframes marquee { to { transform: translateX(-50%); } }

.grid, .product-grid, .case-grid, .comparison-grid, .step-grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3, .product-grid, .case-grid, .comparison-grid, .step-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 24px; }
.card p { margin-top: 10px; }
.product-code, .bad, .good { font-weight: 900; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.product-code, .good { color: var(--blue); }
.bad { color: var(--danger); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { display: inline-flex; padding: 7px 10px; border-radius: 999px; color: #164d8f; background: #eaf3ff; font-size: .86rem; font-weight: 760; }
.tech-logo-grid, .connector-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.tech-logo, .connector-card { padding: 17px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: #fff; font-weight: 850; }
.connector-card { display: grid; gap: 8px; min-height: 118px; }
.connector-card span { color: var(--muted); font-size: .92rem; font-weight: 620; }

.comparison-card { padding: 24px; display: grid; gap: 10px; }
.step-grid article { padding: 24px; }
.step-grid span { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; margin-bottom: 16px; border-radius: 8px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--purple)); font-weight: 900; }
.tech-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; }
.code-panel { border: 1px solid rgba(255,255,255,.12); border-radius: 8px; background: #060b15; color: #c9f8ff; }

.case-card { padding: 24px; display: grid; gap: 12px; }
.case-logo { width: fit-content; padding: 9px 12px; border-radius: 8px; color: #fff; background: var(--navy); font-weight: 900; }
.case-result { display: grid; gap: 2px; padding-top: 12px; border-top: 1px solid var(--line); }
.case-result strong { color: var(--blue); font-size: 1.2rem; }
.case-result span { color: var(--muted); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
summary { padding: 18px 20px; cursor: pointer; color: var(--navy); font-weight: 860; }
details p { padding: 0 20px 20px; color: var(--muted); }

.form-section-grid, .contact-layout, .roi-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: start; }
.form-card { padding: 24px; }
.side-proof { display: grid; gap: 10px; margin-top: 24px; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.side-proof span { color: var(--muted); }
form { display: grid; gap: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
label { display: grid; gap: 7px; color: #25384f; font-weight: 780; }
input, select, textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid #cfdbe8;
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
}
textarea { min-height: 118px; resize: vertical; }
.full { grid-column: 1 / -1; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.error-text { min-height: 1.1em; color: var(--danger); font-size: .86rem; }
.form-status { display: none; padding: 12px 14px; border-radius: 8px; font-weight: 760; }
.form-status.error { display: block; color: var(--danger); background: #fff0ed; border: 1px solid #ffd2ca; }
.form-status.success { display: block; color: #075c33; background: #e9f8ef; border: 1px solid #bfe9cf; }

.roi-result { padding: 24px; border-radius: 8px; color: #fff; background: var(--navy); }
.roi-numbers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 20px 0; }
.roi-numbers strong { display: block; font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--cyan); }
.thanks-card { max-width: 760px; margin: 0 auto; padding: 34px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); text-align: center; }

.footer { padding: 42px 0; color: #d8e3f2; background: var(--navy); }
.footer h3 { color: #fff; }
.footer a { color: #d8e3f2; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 28px; }
.footer p { margin-top: 14px; }
.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 34;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  box-shadow: 0 14px 30px rgba(0,0,0,.2);
  font-weight: 900;
}
.wa-float:hover { text-decoration: none; }

@media (max-width: 980px) {
  .home-grid, .lp-hero-grid, .tech-grid, .faq-grid, .form-section-grid, .contact-layout, .roi-grid { grid-template-columns: 1fr; }
  .grid-3, .product-grid, .case-grid, .comparison-grid, .step-grid, .tech-logo-grid, .connector-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .nav { min-height: 64px; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 16px 16px;
    border-bottom: 1px solid var(--line);
    background: #fff;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px 4px; }
  .nav-links .button { margin-top: 8px; }
  .home-hero, .lp-hero { padding: 48px 0 56px; }
  section { padding: 52px 0; }
  h1 { font-size: clamp(2.18rem, 13vw, 3.35rem); }
  .grid-2, .grid-3, .product-grid, .case-grid, .comparison-grid, .step-grid, .tech-logo-grid, .connector-grid, .form-grid, .footer-grid, .roi-numbers { grid-template-columns: 1fr; }
  .full { grid-column: auto; }
  .button { width: 100%; }
  .wa-float { right: 14px; bottom: 14px; width: 52px; height: 52px; }
}