.sf {
  --k-sky: #A9CDF6;
  --k-blue: #3D8BE8;
  --k-deep: #1E5FB4;
  --k-navy: #0F2A44;
  --k-soft: #EBF3FD;
  --k-line: #D5E3F6;
  --k-white: #FFFFFF;
  --k-dim: rgba(235, 243, 253, .72);
  --k-stroke: rgba(169, 205, 246, .18);
  --k-radius: 10px;
  --k-gap: clamp(1.25rem, 4vw, 4rem);
  --k-ease: cubic-bezier(.2, .7, .2, 1);

  position: relative;
  display: flow-root;
  margin-top: clamp(6rem, 10vw, 8.5rem);
  background: var(--k-navy);
  color: var(--k-soft);
  isolation: isolate;
}
.sf *,
.sf *::before,
.sf *::after { box-sizing: border-box; }
.sf::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 85% 10%, rgba(61, 139, 232, .22), transparent 70%),
    radial-gradient(40% 40% at 5% 90%, rgba(169, 205, 246, .1), transparent 70%);
  pointer-events: none;
}
.sf ul { margin: 0; padding: 0; list-style: none; }
.sf a { color: inherit; }

.sf-wrap { width: min(1600px, 100% - 2 * var(--k-gap)); margin-inline: auto; }

.sf-ico {
  display: inline-block;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask: var(--ico) center / contain no-repeat;
          mask: var(--ico) center / contain no-repeat;
}

.sf-cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 2fr);
  align-items: center;
  gap: 2rem clamp(2rem, 4vw, 4rem);
  overflow: hidden;
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3.5rem);
  border-radius: var(--k-radius);
  background: linear-gradient(120deg, var(--k-deep) 0%, var(--k-blue) 100%);
  box-shadow: 0 30px 60px rgba(5, 20, 36, .35);
  margin-top: calc(-1 * clamp(3.5rem, 6vw, 5rem));
}
.sf-cta__pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .18) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000);
          mask-image: linear-gradient(90deg, transparent 20%, #000);
  animation: sfDrift 22s linear infinite;
  pointer-events: none;
}
@keyframes sfDrift { to { background-position: 180px 90px; } }
.sf-cta__text { position: relative; min-width: 0; }
.sf-pill {
  display: inline-flex;
  align-items: center;
  padding: .35rem .75rem;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 6px;
  background: rgba(255, 255, 255, .12);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--k-white);
}
.sf-cta__title {
  margin: .875rem 0 .5rem;
  font-size: clamp(1.375rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--k-white);
  overflow-wrap: break-word;
}
.sf-cta__lead {
  max-width: 46ch;
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, .86);
}

.sf-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sf-step {
  position: relative;
  display: grid;
  align-content: start;
  gap: .5rem;
  padding: 1.25rem 1.125rem;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--k-radius);
  background: rgba(15, 42, 68, .18);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
  transition: background .3s var(--k-ease), border-color .3s var(--k-ease), transform .35s var(--k-ease);
}
.sf-step:hover { border-color: rgba(255, 255, 255, .55); background: rgba(15, 42, 68, .32); transform: translateY(-4px); }
.sf-step__num {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .85);
}
.sf-step strong {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--k-white);
}
.sf-step__text {
  font-size: .875rem;
  font-weight: 400;
  line-height: 1.55;
  color: rgba(255, 255, 255, .8);
}
.sf-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2.1rem;
  right: -.6rem;
  z-index: 1;
  width: .45rem;
  height: .45rem;
  border: 2px solid rgba(255, 255, 255, .7);
  border-left-color: transparent;
  border-bottom-color: transparent;
  transform: rotate(45deg);
}

.sf-main {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding: clamp(4rem, 7vw, 5.5rem) 0 clamp(3rem, 5vw, 4rem);
}

.sf-logo { display: inline-block; }
.sf-logo img { display: block; width: auto; height: 48px; max-width: 200px; object-fit: contain; }
.sf-brand__text {
  max-width: 42ch;
  margin: 1.25rem 0 1.5rem;
  font-size: .9375rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--k-dim);
}
.sf-social { display: flex; flex-wrap: wrap; gap: .5rem; }
.sf-social a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--k-stroke);
  border-radius: var(--k-radius);
  color: var(--k-sky);
  transition: background .25s var(--k-ease), border-color .25s var(--k-ease), color .25s var(--k-ease), transform .3s var(--k-ease);
}
.sf-social a:hover { border-color: var(--k-blue); background: var(--k-blue); color: var(--k-white); transform: translateY(-3px); }
.sf-social a:focus-visible { outline: 3px solid var(--k-sky); outline-offset: 2px; }

.sf-title {
  display: flex;
  align-items: center;
  gap: .625rem;
  margin: 0 0 1.25rem;
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--k-white);
}
.sf-title::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--k-blue);
}

.sf-list { display: grid; gap: .625rem; }
.sf-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .9375rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--k-dim);
  text-decoration: none;
  transition: color .25s var(--k-ease), transform .3s var(--k-ease);
}
.sf-list a::before {
  content: "";
  width: 0;
  height: 2px;
  margin-right: -.5rem;
  background: var(--k-sky);
  transition: width .3s var(--k-ease), margin .3s var(--k-ease);
}
.sf-list a:hover,
.sf-list .current-menu-item > a { color: var(--k-white); }
.sf-list a:hover::before,
.sf-list .current-menu-item > a::before { width: 12px; margin-right: 0; }
.sf-list a:focus-visible { outline: 2px solid var(--k-sky); outline-offset: 3px; border-radius: 4px; }

.sf-contact { display: grid; gap: 1rem; }
.sf-contact li { display: flex; align-items: flex-start; gap: .75rem; }
.sf-contact .sf-ico { width: 20px; height: 20px; margin-top: .2rem; color: var(--k-sky); }
.sf-contact div { display: grid; gap: .15rem; min-width: 0; }
.sf-contact span {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--k-sky);
}
.sf-contact a,
.sf-contact strong {
  font-size: .9375rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--k-soft);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.sf-contact a { font-weight: 600; transition: color .25s var(--k-ease); }
.sf-contact a:hover { color: var(--k-white); text-decoration: underline; text-underline-offset: 3px; }

.sf-posts { display: grid; gap: .5rem; }
.sf-posts a {
  display: grid;
  gap: .25rem;
  padding: .75rem .875rem;
  border: 1px solid var(--k-stroke);
  border-radius: var(--k-radius);
  text-decoration: none;
  transition: background .25s var(--k-ease), border-color .25s var(--k-ease), transform .3s var(--k-ease);
}
.sf-posts a:hover { border-color: var(--k-blue); background: rgba(61, 139, 232, .12); transform: translateX(4px); }
.sf-posts a:focus-visible { outline: 3px solid var(--k-sky); outline-offset: 2px; }
.sf-posts strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: .9063rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--k-white);
}
.sf-posts span { font-size: .75rem; font-weight: 500; color: var(--k-sky); }
.sf-more {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1rem;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--k-sky) !important;
  text-decoration: none;
}
.sf-more::after {
  content: "";
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: width .3s var(--k-ease);
}
.sf-more:hover { color: var(--k-white) !important; }
.sf-more:hover::after { width: 34px; }

.sf-bottom { box-shadow: inset 0 1px 0 var(--k-stroke); }
.sf-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 1.5rem 0;
}
.sf-copy { display: grid; gap: .375rem; }
.sf-copy p {
  margin: 0;
  font-size: .875rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--k-dim);
}
.sf-dev a {
  font-weight: 700;
  color: var(--k-sky);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: color .25s var(--k-ease), background-size .35s var(--k-ease);
}
.sf-dev a:hover { color: var(--k-white); background-size: 100% 1px; }
.sf-dev a:focus-visible { outline: 2px solid var(--k-sky); outline-offset: 3px; border-radius: 4px; }
.sf-legal { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; margin-left: auto !important; }
.sf-legal a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--k-dim);
  text-decoration: none;
  transition: color .25s var(--k-ease);
}
.sf-legal a:hover { color: var(--k-white); }

.sf-top {
  position: relative;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--k-stroke);
  border-radius: var(--k-radius);
  background: rgba(255, 255, 255, .04);
  color: var(--k-white);
  cursor: pointer;
  transition: background .25s var(--k-ease), border-color .25s var(--k-ease), transform .3s var(--k-ease);
}
.sf-top::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-bottom-color: transparent;
  transform: rotate(45deg);
}
.sf-top:hover { border-color: var(--k-blue); background: var(--k-blue); transform: translateY(-3px); }
.sf-top:focus-visible { outline: 3px solid var(--k-sky); outline-offset: 2px; }

.sf.is-ready [data-reveal] { opacity: 0; translate: 0 30px; transition: opacity .8s var(--k-ease), translate .8s var(--k-ease); }
.sf.is-ready [data-reveal].is-in { opacity: 1; translate: 0 0; }
.sf.is-ready .sf-main > * { opacity: 0; translate: 0 24px; transition: opacity .7s var(--k-ease), translate .7s var(--k-ease); transition-delay: calc(var(--i, 0) * 90ms); }
.sf.is-ready .sf-main.is-in > * { opacity: 1; translate: 0 0; }
.sf.is-ready .sf-step { opacity: 0; translate: 0 18px; transition: opacity .6s var(--k-ease), translate .6s var(--k-ease), background .3s var(--k-ease), border-color .3s var(--k-ease), transform .35s var(--k-ease); transition-delay: calc(.2s + var(--i, 0) * 110ms), calc(.2s + var(--i, 0) * 110ms), 0s, 0s, 0s; }
.sf.is-ready .sf-cta.is-in .sf-step { opacity: 1; translate: 0 0; }

@media (max-width: 1280px) {
  .sf-cta { grid-template-columns: 1fr; }
  .sf-cta__lead { max-width: 70ch; }
}
@media (max-width: 1100px) {
  .sf-main { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sf-brand { grid-column: 1 / -1; display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 1rem 2.5rem; }
  .sf-brand__text { margin: 0; max-width: 70ch; }
  .sf-social { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .sf-main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sf-brand { grid-template-columns: 1fr; }
  .sf-col--blog { grid-column: 1 / -1; }
  .sf-posts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sf-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sf-step:nth-child(2)::after { display: none; }
}
@media (max-width: 640px) {
  .sf { margin-top: clamp(6rem, 22vw, 7rem); }
  .sf-cta { margin-top: -3.5rem; gap: 1.25rem; }
  .sf-main { grid-template-columns: 1fr; gap: 2.25rem; padding-top: 3.5rem; }
  .sf-posts { grid-template-columns: 1fr; }
  .sf-steps { grid-template-columns: 1fr; }
  .sf-step::after { display: none; }
  .sf-step { grid-template-columns: auto minmax(0, 1fr); column-gap: 1rem; }
  .sf-step__num { grid-row: span 2; font-size: 1.5rem; font-weight: 800; }
  .sf-cta__title { font-size: 1.5rem; font-weight: 800; }
  .sf-cta__lead { font-size: 1rem; font-weight: 400; }
  .sf-bottom__inner { position: relative; flex-direction: column; align-items: flex-start; padding-right: 60px; }
  .sf-legal { margin-left: 0 !important; }
  .sf-top { position: absolute; right: 0; top: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .sf-cta__pattern { animation: none; }
  .sf-step, .sf-social a, .sf-list a, .sf-posts a, .sf-top, .sf-more::after, .sf-dev a { transition: none; }
  .sf.is-ready [data-reveal], .sf.is-ready .sf-main > *, .sf.is-ready .sf-step { opacity: 1; translate: none; transition: none; }
}