:root {
  --mgl-darker: #060912;
  --ink: #f8fafc;
  --muted: #a8b5c7;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --cyan: #22d3ee;
  --paper: #111827;
  --line: #263348;
  --white: #ffffff;
  --max: 1180px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
  background: var(--mgl-darker);
}
a {
  color: inherit;
}
:where(a, summary):focus-visible {
  outline: 3px solid #f2b705;
  outline-offset: 4px;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1rem;
  z-index: 20;
}
.skip-link:focus {
  left: 1rem;
}
.wrap {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}
.site-header {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(1rem, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(6, 9, 18, 0.97);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.brand img {
  display: block;
  width: 132px;
  height: auto;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.site-header nav > a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
}
.nav-cta {
  padding: 0.65rem 0.9rem;
  border: 1px solid #3b82f6;
  border-radius: 0.65rem;
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
}
.hero {
  padding: clamp(3.5rem, 8vw, 7rem) 0;
  background:
    radial-gradient(
      circle at 88% 18%,
      rgba(6, 182, 212, 0.15),
      transparent 25%
    ),
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(135deg, #060912, #0a1020);
  background-size: auto, 60px 60px, 60px 60px, auto;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}
.crumbs {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 2.2rem;
}
.crumbs a {
  text-decoration: none;
}
.eyebrow {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 850;
  color: #60a5fa;
  margin: 0 0 0.7rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  max-width: 900px;
  margin: 0.35rem 0 1.4rem;
}
.lead {
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  max-width: 720px;
  color: var(--muted);
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.9rem 1.2rem;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  border-radius: 0.75rem;
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.25);
}
.button:hover {
  background: var(--blue-dark);
}
.text-link {
  font-weight: 800;
  color: #67e8f9;
  text-decoration: none;
}
.answer {
  background: rgba(17, 24, 39, 0.92);
  color: #fff;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border: 1px solid var(--line);
  border-top: 5px solid var(--cyan);
  border-radius: 1rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}
.answer strong {
  color: #74e0ef;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.72rem;
}
.answer p {
  font-size: 1.04rem;
  margin: 0.75rem 0 0;
}
.content-section {
  padding: clamp(4rem, 9vw, 8rem) 0;
  background: #0a0e1a;
}
.reading-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.article-block {
  position: relative;
  padding: 0 0 3.5rem 4.3rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid var(--line);
}
.article-block:last-child {
  border: 0;
  margin-bottom: 0;
}
.section-number {
  position: absolute;
  left: 0;
  top: 0.1rem;
  color: var(--cyan);
  font-size: 1.3rem;
  font-weight: 900;
}
.article-block h2,
.faq h2,
.related h2,
.final-cta h2 {
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin: 0.1rem 0 1.2rem;
}
.article-block p {
  color: var(--muted);
  font-size: 1.04rem;
  max-width: 760px;
}
.contact-card {
  position: sticky;
  top: 104px;
  padding: 2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
}
.contact-card h2 {
  line-height: 1.12;
  letter-spacing: -0.035em;
}
.contact-card p {
  color: var(--muted);
}
.contact-card .button {
  width: 100%;
  margin: 1rem 0;
}
.contact-card small {
  display: block;
  color: var(--muted);
  line-height: 1.5;
}
.faq {
  background: var(--paper);
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.narrow {
  max-width: 860px;
}
.faq h2 {
  margin-bottom: 2rem;
}
.faq details {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 1.25rem;
  margin-bottom: 0.85rem;
  background: #0f172a;
}
.faq details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  font-weight: 820;
  font-size: 1.05rem;
  cursor: pointer;
  padding-right: 2rem;
}
.faq details p {
  color: var(--muted);
  max-width: 720px;
}
.related {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: #0a0e1a;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.related-grid a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
  min-height: 110px;
  transition: 0.2s;
  border-radius: 0.85rem;
  background: #111827;
}
.related-grid a:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.related-grid b {
  color: var(--cyan);
}
.final-cta {
  background:
    radial-gradient(circle at 80% 10%, rgba(34, 211, 238, 0.16), transparent 30%),
    linear-gradient(120deg, #0f172a, #102759);
  color: #fff;
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.final-cta .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.final-cta .eyebrow {
  color: #75dfed;
}
.final-cta h2 {
  margin-bottom: 0.5rem;
}
.final-cta p {
  margin: 0;
  color: #dbeefa;
}
.button-light {
  background: #2563eb;
  color: #fff;
  box-shadow: none;
  white-space: nowrap;
}
.button-light:hover {
  background: #1d4ed8;
}
footer {
  background: #091c2e;
  color: #bed0df;
  padding: 3rem 0;
}
footer .wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 2rem;
  align-items: start;
}
footer .brand-light {
  width: fit-content;
}
footer strong,
footer a {
  display: block;
  color: #fff;
  text-decoration: none;
  margin-bottom: 0.5rem;
}
footer .wrap > p {
  text-align: right;
  font-size: 0.8rem;
}
.floating-whatsapp {
  position: fixed;
  z-index: 80;
  right: 20px;
  bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 50px;
  padding: 0 16px 0 11px;
  color: #fff;
  background: #128c5e;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(4, 16, 31, 0.28);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.floating-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(4, 16, 31, 0.34);
}
.floating-whatsapp svg {
  width: 27px;
  height: 27px;
  fill: currentColor;
}
.floating-whatsapp b {
  font-size: 0.75rem;
}
@media (max-width: 820px) {
  .site-header nav > a:not(.nav-cta) {
    display: none;
  }
  .hero-grid,
  .reading-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: clamp(2.6rem, 12vw, 4rem);
  }
  .answer {
    margin-top: 1rem;
  }
  .contact-card {
    position: static;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .final-cta .wrap {
    align-items: flex-start;
    flex-direction: column;
  }
  footer .wrap {
    grid-template-columns: 1fr;
  }
  footer .wrap > p {
    text-align: left;
  }
  .article-block {
    padding-left: 3rem;
  }
}
@media (max-width: 480px) {
  .site-header {
    height: 68px;
  }
  .brand {
    max-width: 116px;
  }
  .brand img {
    width: 116px;
  }
  .nav-cta {
    font-size: 0.78rem !important;
    padding: 0.55rem 0.65rem;
  }
  .hero {
    padding-top: 3rem;
  }
  .crumbs {
    margin-bottom: 1.5rem;
  }
  .button {
    width: 100%;
  }
  .text-link {
    width: 100%;
    text-align: center;
  }
  .article-block {
    padding-left: 0;
  }
  .section-number {
    position: static;
    display: block;
    margin-bottom: 0.5rem;
  }
  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    width: 52px;
    padding: 0;
    justify-content: center;
  }
  .floating-whatsapp b {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}