/* =========================================================
   ARKKOS — Design System
   Azul institucional + Ciano elétrico
   Inspiração estrutural: Vhsys
   ========================================================= */

:root {
  /* Marca */
  --arkkos-900: #0A1F38;
  --arkkos-800: #0F2C4D;
  --arkkos-700: #14365E;  /* Azul principal do logo */
  --arkkos-600: #1E4A7A;
  --arkkos-500: #2E6DB4;
  --arkkos-100: #E8EEF5;
  --arkkos-50:  #F4F7FB;

  /* Acento ciano */
  --cyan-600: #0096B8;
  --cyan-500: #00B8D9;
  --cyan-400: #33C9E3;
  --cyan-100: #D6F5FB;

  /* Neutros */
  --ink-900: #0B1220;
  --ink-700: #2A3548;
  --ink-500: #5B6780;
  --ink-400: #8593AB;
  --ink-300: #B8C2D1;
  --ink-200: #D9DFE8;
  --ink-100: #EEF1F6;
  --bg: #FFFFFF;
  --bg-soft: #F7F9FC;

  /* Status */
  --green: #10B981;
  --red: #EF4444;
  --amber: #F59E0B;

  /* Sistema */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(10, 31, 56, 0.06);
  --shadow: 0 4px 16px rgba(10, 31, 56, 0.08);
  --shadow-lg: 0 20px 50px rgba(10, 31, 56, 0.15);

  --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
  --font-display: 'Sora', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ================= Typography ================= */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--arkkos-900);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.125rem; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-600);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 24px; height: 2px;
  background: var(--cyan-500);
}

.lead { font-size: 1.125rem; color: var(--ink-500); max-width: 60ch; }

/* ================= Layout ================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 80px 0; }
@media (max-width: 768px) { section { padding: 56px 0; } }

/* ================= Announcement bar ================= */
.announce {
  background: var(--arkkos-900);
  color: #fff;
  font-size: 0.82rem;
  padding: 10px 0;
  text-align: center;
}
.announce a { color: var(--cyan-400); font-weight: 600; }
.announce .pulse {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan-400);
  margin-right: 8px;
  animation: pulse 2s infinite;
  vertical-align: middle;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 184, 217, 0.6); }
  50% { box-shadow: 0 0 0 8px rgba(0, 184, 217, 0); }
}

/* ================= Header ================= */
.header {
  position: sticky; top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--ink-100);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--arkkos-900);
  letter-spacing: -0.01em;
}
.brand img { height: 34px; width: auto; }
.brand span.mark { display: none; } /* logo tem texto */

.nav-links {
  display: flex; align-items: center; gap: 4px;
  list-style: none;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-700);
  transition: all .15s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--arkkos-700);
  background: var(--arkkos-50);
}
.nav-cta {
  display: flex; gap: 10px; align-items: center;
}
.menu-toggle { display: none; }

.wa-fab {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
  z-index: 99;
  transition: all .2s;
  animation: waPulse 2.4s infinite;
}
.wa-fab:hover { transform: scale(1.08); box-shadow: 0 14px 36px rgba(37, 211, 102, 0.6); }
@keyframes waPulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45), 0 0 0 14px rgba(37, 211, 102, 0); }
}

@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 8px;
    border: 1px solid var(--ink-200);
  }
}

/* ================= Buttons ================= */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all .18s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn.primary {
  background: var(--cyan-500);
  color: var(--arkkos-900);
  box-shadow: 0 6px 20px rgba(0, 184, 217, 0.35);
}
.btn.primary:hover {
  background: var(--cyan-400);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 184, 217, 0.45);
}
.btn.secondary {
  background: var(--arkkos-700);
  color: #fff;
}
.btn.secondary:hover { background: var(--arkkos-800); }
.btn.ghost {
  background: transparent;
  color: var(--arkkos-700);
  border: 1.5px solid var(--ink-200);
}
.btn.ghost:hover { border-color: var(--arkkos-700); background: var(--arkkos-50); }
.btn.link {
  padding: 0;
  background: transparent;
  color: var(--arkkos-700);
  font-weight: 600;
}
.btn.link::after {
  content: "→";
  transition: transform .15s;
}
.btn.link:hover::after { transform: translateX(4px); }
.btn.lg { padding: 16px 28px; font-size: 1rem; }

/* ================= Hero ================= */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--arkkos-50) 0%, #fff 100%);
  position: relative;
  overflow: hidden;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 60px; align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero h1 .accent {
  color: var(--arkkos-700);
  background: linear-gradient(120deg, transparent 0%, transparent 50%, var(--cyan-100) 50%, var(--cyan-100) 100%);
  padding: 0 6px;
}
.hero .lead { margin-bottom: 32px; font-size: 1.18rem; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-size: 0.88rem; color: var(--ink-500);
}
.hero-trust span { display: flex; align-items: center; gap: 6px; }
.hero-trust svg { color: var(--green); }

.hero-visual {
  position: relative;
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ================= Dashboard mockup ================= */
.mockup {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--ink-100);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-3deg) rotateX(2deg);
  transition: transform .4s;
}
.mockup:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.mockup-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: var(--arkkos-50);
  border-bottom: 1px solid var(--ink-100);
}
.mockup-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-200); }
.mockup-bar .url {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-500);
  background: #fff;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--ink-100);
  flex: 1;
}
.mockup-body { padding: 20px; display: grid; grid-template-columns: 180px 1fr; gap: 16px; min-height: 420px; }
.mockup-side {
  background: var(--arkkos-900);
  color: #fff;
  border-radius: 10px;
  padding: 16px 12px;
}
.mockup-side .logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--cyan-400);
  font-size: 0.92rem;
  padding: 6px 10px;
  margin-bottom: 14px;
}
.mockup-side ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.mockup-side li {
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  display: flex; align-items: center; gap: 8px;
}
.mockup-side li.active { background: rgba(0,184,217,0.15); color: var(--cyan-400); }
.mockup-side li::before {
  content: ""; width: 6px; height: 6px; border-radius: 2px; background: currentColor; opacity: 0.5;
}

.mockup-main { display: flex; flex-direction: column; gap: 14px; }
.mockup-h { display: flex; justify-content: space-between; align-items: center; }
.mockup-h strong { font-family: var(--font-display); color: var(--arkkos-900); font-size: 0.95rem; }
.mockup-h .tag { font-size: 0.7rem; background: var(--cyan-100); color: var(--cyan-600); padding: 3px 8px; border-radius: 4px; font-weight: 600; }

.mockup-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mockup-kpi {
  padding: 12px;
  border: 1px solid var(--ink-100);
  border-radius: 8px;
}
.mockup-kpi .lbl { font-size: 0.65rem; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.06em; }
.mockup-kpi .val { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--arkkos-900); margin-top: 2px; }
.mockup-kpi .delta { font-size: 0.7rem; color: var(--green); font-weight: 600; }
.mockup-kpi .delta.neg { color: var(--red); }

.mockup-chart {
  border: 1px solid var(--ink-100);
  border-radius: 8px;
  padding: 14px;
  flex: 1;
  display: flex; flex-direction: column;
}
.mockup-chart .t { font-size: 0.8rem; font-weight: 600; color: var(--arkkos-900); margin-bottom: 10px; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 100px; }
.bar {
  flex: 1; background: var(--arkkos-100); border-radius: 3px 3px 0 0;
  position: relative;
  animation: grow 1.2s cubic-bezier(.2,.8,.2,1) both;
}
.bar.hi { background: linear-gradient(180deg, var(--cyan-500), var(--cyan-600)); }
@keyframes grow { from { height: 0 !important; } }
.bars-x { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.62rem; color: var(--ink-400); margin-top: 6px; }

@media (max-width: 768px) {
  .mockup { transform: none; }
  .mockup-body { grid-template-columns: 1fr; min-height: auto; }
  .mockup-side { display: none; }
}

/* ================= Sections ================= */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--ink-500); font-size: 1.05rem; }

/* ================= Trusted by ================= */
.trusted {
  padding: 48px 0;
  background: #fff;
  border-bottom: 1px solid var(--ink-100);
  border-top: 1px solid var(--ink-100);
}
.trusted-lbl {
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  font-weight: 600;
}
.logos-row {
  display: flex; justify-content: space-around; align-items: center;
  gap: 32px; flex-wrap: wrap;
  filter: grayscale(100%);
  opacity: 0.7;
}
.logos-row .logo-item {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--arkkos-700);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  opacity: 0.8;
}

/* ================= Feature cards ================= */
.feat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feat {
  padding: 32px 26px;
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  transition: all .2s;
}
.feat:hover {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.feat-ico {
  width: 44px; height: 44px;
  background: var(--cyan-100);
  color: var(--cyan-600);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feat h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feat p { font-size: 0.95rem; color: var(--ink-500); }
@media (max-width: 768px) { .feat-grid { grid-template-columns: 1fr; } }

/* ================= Alternating split ================= */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center;
}
.split.reverse .split-txt { order: 2; }
.split-img {
  background: var(--arkkos-50);
  border-radius: var(--radius-lg);
  padding: 40px;
  min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--ink-100);
}
.split-txt .eyebrow { margin-bottom: 16px; }
.split-txt h2 { margin-bottom: 16px; }
.split-txt p { margin-bottom: 20px; color: var(--ink-500); }
.check-list { list-style: none; margin-bottom: 28px; }
.check-list li {
  display: flex; gap: 10px; padding: 8px 0;
  color: var(--ink-700);
}
.check-list svg { color: var(--cyan-500); flex-shrink: 0; margin-top: 3px; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-txt { order: initial; }
}

/* ================= Pricing ================= */
.plans {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  align-items: stretch;
}
.plan {
  background: #fff;
  border: 1px solid var(--ink-200);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex; flex-direction: column;
  position: relative;
}
.plan.highlight {
  border: 2px solid var(--cyan-500);
  box-shadow: 0 20px 50px rgba(0, 184, 217, 0.15);
  transform: scale(1.02);
}
.plan-tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--cyan-500); color: var(--arkkos-900);
  font-size: 0.72rem; font-weight: 700;
  padding: 5px 12px; border-radius: 999px;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.plan-name {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.25rem;
  color: var(--arkkos-900);
  margin-bottom: 6px;
}
.plan-desc { font-size: 0.88rem; color: var(--ink-500); margin-bottom: 22px; }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.plan-price .currency { font-size: 1rem; color: var(--ink-500); }
.plan-price .value { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--arkkos-900); letter-spacing: -0.02em; }
.plan-price .per { color: var(--ink-500); font-size: 0.9rem; }
.plan-foot { font-size: 0.78rem; color: var(--ink-400); margin-bottom: 24px; }
.plan ul { list-style: none; margin-bottom: 28px; flex: 1; }
.plan ul li {
  padding: 9px 0; font-size: 0.9rem;
  display: flex; gap: 8px;
  border-bottom: 1px solid var(--ink-100);
}
.plan ul li:last-child { border-bottom: none; }
.plan ul li::before {
  content: "✓"; color: var(--cyan-500); font-weight: 700; flex-shrink: 0;
}
.plan ul li.off { color: var(--ink-400); }
.plan ul li.off::before { content: "—"; color: var(--ink-300); }
.plan .btn { width: 100%; justify-content: center; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } .plan.highlight { transform: none; } }

/* ================= Testimonials ================= */
.testi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.testi {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 18px;
}
.testi .stars { color: var(--amber); font-size: 1rem; letter-spacing: 2px; }
.testi p { color: var(--ink-700); font-size: 0.95rem; line-height: 1.6; flex: 1; }
.testi .who { display: flex; gap: 12px; align-items: center; }
.testi .av {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--arkkos-600), var(--cyan-500));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
}
.testi .who strong { display: block; font-size: 0.9rem; color: var(--arkkos-900); }
.testi .who small { font-size: 0.78rem; color: var(--ink-500); }
@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr; } }

/* ================= FAQ ================= */
.faq { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--ink-100);
}
.faq-q {
  width: 100%;
  padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.05rem;
  color: var(--arkkos-900);
  gap: 20px;
}
.faq-q .plus {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--arkkos-50);
  display: flex; align-items: center; justify-content: center;
  color: var(--arkkos-700);
  transition: transform .2s;
  flex-shrink: 0;
}
.faq-item.open .plus { transform: rotate(45deg); background: var(--cyan-500); color: var(--arkkos-900); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 0 22px;
}
.faq-a p { color: var(--ink-500); }

/* ================= CTA Band ================= */
.cta-band {
  background: var(--arkkos-900);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 50%, rgba(0,184,217,0.2) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(46,109,180,0.25) 0%, transparent 50%);
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 32px; font-size: 1.08rem; }
.cta-band .btns { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.cta-band .btn.ghost { color: #fff; border-color: rgba(255,255,255,0.3); background: transparent; }
.cta-band .btn.ghost:hover { background: rgba(255,255,255,0.08); border-color: #fff; }

/* ================= Footer ================= */
footer {
  background: var(--arkkos-900);
  color: rgba(255,255,255,0.65);
  padding: 72px 0 32px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 56px;
}
.foot-brand img { height: 36px; filter: brightness(0) invert(1); margin-bottom: 14px; }
.foot-brand p { max-width: 260px; line-height: 1.6; }
footer h5 {
  color: #fff; font-family: var(--font-display);
  font-weight: 600; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 16px;
}
footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
footer a:hover { color: var(--cyan-400); }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap; gap: 16px;
  font-size: 0.82rem;
}
.socials { display: flex; gap: 12px; }
.socials a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.socials a:hover { background: var(--cyan-500); color: var(--arkkos-900); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ================= Page hero (interior) ================= */
.page-hero {
  background: linear-gradient(180deg, var(--arkkos-50), #fff);
  padding: 80px 0 60px;
  text-align: center;
}
.page-hero .eyebrow { justify-content: center; margin-bottom: 16px; }
.page-hero h1 { margin-bottom: 18px; max-width: 800px; margin-left: auto; margin-right: auto; }
.page-hero .lead { margin: 0 auto 28px; text-align: center; }
.page-hero .ctas { display: inline-flex; gap: 12px; flex-wrap: wrap; }

/* Utilities */
.center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }

/* ================= CNPJ Widget ================= */
.cnpj-widget {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--ink-100);
  margin-top: 24px;
  max-width: 520px;
}
.cnpj-widget .hd {
  font-family: var(--font-display);
  font-weight: 600; font-size: 0.92rem;
  color: var(--arkkos-900);
  margin-bottom: 4px;
  display: flex; align-items: center; gap: 8px;
}
.cnpj-widget .hd .live {
  width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  animation: pulse 2s infinite;
}
.cnpj-widget .sub { font-size: 0.8rem; color: var(--ink-500); margin-bottom: 14px; }
.cnpj-widget .row { display: flex; gap: 8px; }
.cnpj-widget input {
  flex: 1; padding: 12px 14px;
  border: 1.5px solid var(--ink-200);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--arkkos-900);
  background: #fff;
}
.cnpj-widget input:focus { outline: none; border-color: var(--cyan-500); }
.cnpj-result {
  margin-top: 14px;
  padding: 14px;
  background: var(--arkkos-50);
  border-radius: 8px;
  font-size: 0.86rem;
  color: var(--ink-700);
  display: none;
}
.cnpj-result.show { display: block; }
.cnpj-result strong { color: var(--arkkos-900); display: block; margin-bottom: 4px; font-family: var(--font-display); }
.cnpj-result .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-top: 8px; font-size: 0.8rem; }
.cnpj-result .grid span { color: var(--ink-500); }
.cnpj-result .grid strong { color: var(--arkkos-900); display: inline; font-family: var(--font-sans); font-weight: 600; margin: 0; }

/* ================= Blog cards ================= */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  overflow: hidden;
  transition: all .2s;
  display: flex; flex-direction: column;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--cyan-500); }
.post-cover {
  height: 180px;
  background: linear-gradient(135deg, var(--arkkos-600), var(--cyan-500));
  position: relative;
  display: flex; align-items: flex-end; padding: 16px;
}
.post-cover.v2 { background: linear-gradient(135deg, var(--arkkos-800), var(--arkkos-500)); }
.post-cover.v3 { background: linear-gradient(135deg, var(--cyan-600), var(--arkkos-700)); }
.post-cover.v4 { background: linear-gradient(135deg, var(--arkkos-700), var(--arkkos-900)); }
.post-cover .cat {
  font-size: 0.7rem; background: rgba(255,255,255,0.15);
  color: #fff; padding: 4px 10px; border-radius: 4px;
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  backdrop-filter: blur(8px);
}
.post-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.post-body h3 { font-size: 1.1rem; margin-bottom: 10px; }
.post-body p { color: var(--ink-500); font-size: 0.9rem; flex: 1; margin-bottom: 14px; }
.post-meta { font-size: 0.78rem; color: var(--ink-400); display: flex; gap: 10px; }
.post-meta .dot { color: var(--ink-300); }
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }

/* ================= Calc tributaria ================= */
.calc {
  background: var(--arkkos-50);
  border-radius: 16px;
  padding: 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.calc-in h3 { margin-bottom: 8px; }
.calc-in p { color: var(--ink-500); font-size: 0.94rem; margin-bottom: 24px; }
.calc-field { margin-bottom: 18px; }
.calc-field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink-700); margin-bottom: 6px; }
.calc-field input, .calc-field select {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--ink-200);
  border-radius: 8px; background: #fff;
  font-family: inherit; font-size: 0.95rem; color: var(--arkkos-900);
}
.calc-field input:focus, .calc-field select:focus { outline: none; border-color: var(--cyan-500); }
.calc-out {
  background: #fff;
  border-radius: 12px;
  padding: 28px;
  border: 1px solid var(--ink-100);
}
.calc-out h4 { margin-bottom: 16px; font-size: 1.05rem; }
.calc-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px dashed var(--ink-100); font-size: 0.9rem; }
.calc-row strong { font-family: var(--font-mono); color: var(--arkkos-900); font-weight: 600; }
.calc-winner {
  background: var(--cyan-100);
  border-radius: 10px;
  padding: 16px;
  margin-top: 18px;
  text-align: center;
}
.calc-winner strong { color: var(--arkkos-900); font-family: var(--font-display); font-size: 1.1rem; display: block; }
.calc-winner small { color: var(--ink-700); }
@media (max-width: 900px) { .calc { grid-template-columns: 1fr; padding: 24px; } }

/* ================= Sim commission ================= */
.sim {
  background: #fff;
  border-radius: 14px;
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--ink-100);
}
.sim h4 { margin-bottom: 14px; }
.sim-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.sim-row label { font-size: 0.88rem; color: var(--ink-700); }
.sim-row .v { font-family: var(--font-mono); color: var(--arkkos-700); font-weight: 600; font-size: 0.9rem; }
.sim input[type="range"] {
  width: 100%; accent-color: var(--cyan-500); margin-bottom: 16px;
}
.sim-out {
  background: var(--arkkos-900); color: #fff;
  padding: 20px; border-radius: 10px;
  text-align: center;
  margin-top: 14px;
}
.sim-out .lbl { font-size: 0.78rem; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 0.08em; }
.sim-out .big { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--cyan-400); line-height: 1; margin: 6px 0; }
.sim-out small { color: rgba(255,255,255,0.6); font-size: 0.78rem; }

/* ================= Chips ================= */
.chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.chip {
  padding: 8px 16px;
  border: 1.5px solid var(--ink-200);
  background: #fff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-700);
  cursor: pointer;
  transition: all .15s;
}
.chip:hover { border-color: var(--arkkos-700); color: var(--arkkos-700); }
.chip.active { background: var(--arkkos-700); color: #fff; border-color: var(--arkkos-700); }

/* ================= Certificate cards ================= */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  padding: 28px;
  display: flex; flex-direction: column;
  transition: all .2s;
}
.cert-card:hover { border-color: var(--cyan-500); transform: translateY(-2px); box-shadow: var(--shadow); }
.cert-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600;
  background: var(--cyan-100); color: var(--cyan-600);
  width: max-content;
  text-transform: uppercase; letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.cert-badge.a3 { background: var(--arkkos-100); color: var(--arkkos-700); }
.cert-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.cert-card .price { display: flex; align-items: baseline; gap: 4px; margin: 16px 0 4px; }
.cert-card .price .cur { color: var(--ink-500); font-size: 0.9rem; }
.cert-card .price .val { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; color: var(--arkkos-900); }
.cert-card .price .per { color: var(--ink-500); font-size: 0.85rem; }
.cert-card ul { list-style: none; margin: 18px 0 24px; flex: 1; }
.cert-card ul li { padding: 7px 0; font-size: 0.88rem; display: flex; gap: 8px; }
.cert-card ul li::before { content: "✓"; color: var(--cyan-500); font-weight: 700; }
.cert-card .btn { width: 100%; justify-content: center; }

@media (max-width: 900px) { .cert-grid { grid-template-columns: 1fr; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding-top: 8px; }
.step .n {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--arkkos-900); color: var(--cyan-400);
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step h4 { margin-bottom: 8px; font-size: 1.05rem; }
.step p { font-size: 0.9rem; color: var(--ink-500); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* Tiers */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tier {
  padding: 24px 20px;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  background: #fff;
  text-align: center;
}
.tier-n { font-family: var(--font-display); font-weight: 700; color: var(--arkkos-900); font-size: 1.05rem; margin-bottom: 4px; }
.tier-pct { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--cyan-500); line-height: 1; margin: 8px 0; }
.tier-d { font-size: 0.82rem; color: var(--ink-500); }
@media (max-width: 900px) { .tiers { grid-template-columns: 1fr 1fr; } }