@font-face {
  font-family: "Sinkin Sans";
  src:
    url("../fonts/SinkinSans-400Regular.woff2") format("woff2"),
    url("../fonts/SinkinSans-400Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Sinkin Sans";
  src:
    url("../fonts/SinkinSans-700Bold.woff2") format("woff2"),
    url("../fonts/SinkinSans-700Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-primary: #4f00e8;
  --color-secondary: #2d99e1;
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-muted: #b9bdc9;
  --color-soft: #777d8d;
  --color-surface: #0a0b10;
  --color-surface-strong: #11131b;
  --color-border: rgba(255, 255, 255, 0.14);
  --gradient-brand: linear-gradient(90deg, #4f00e8 0%, #2d99e1 100%);
  --shadow-brand: 0 24px 80px rgba(79, 0, 232, 0.28);
  --container: 1160px;
  --radius: 8px;
  --header-height: 82px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 12%, rgba(45, 153, 225, 0.16), transparent 24rem),
    radial-gradient(circle at 8% 28%, rgba(79, 0, 232, 0.14), transparent 22rem),
    var(--color-bg);
  color: var(--color-text);
  font-family: "Sinkin Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--color-secondary);
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(18px);
  transition: border-color 200ms ease, background-color 200ms ease;
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  background: rgba(0, 0, 0, 0.9);
}

.nav,
.section__inner {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
}

.brand__logo {
  display: block;
  height: auto;
}

.brand__logo--header {
  width: clamp(126px, 15vw, 170px);
}

.brand__logo--footer {
  width: clamp(210px, 24vw, 270px);
}

.nav__menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 3vw, 2.25rem);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.nav__menu a {
  transition: color 180ms ease;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle__line {
  display: block;
  width: 19px;
  height: 2px;
  background: var(--color-text);
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.9rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--gradient-brand);
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.2;
  box-shadow: var(--shadow-brand);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 28px 90px rgba(45, 153, 225, 0.28);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-border);
  box-shadow: none;
}

.button--small {
  min-height: 42px;
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
}

.footer__link-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.footer__link-button:hover {
  color: var(--color-secondary);
}

.section {
  position: relative;
  padding: clamp(4.5rem, 8vw, 8rem) 0;
}

.hero {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-items: center;
  padding-top: clamp(4rem, 7vw, 7rem);
}

.hero__grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.75fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-text);
  line-height: 1.03;
}

h1 {
  max-width: 790px;
  margin-bottom: 1.4rem;
  font-size: clamp(2.45rem, 5.55vw, 5.15rem);
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.6vw, 4.25rem);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

p {
  color: var(--color-muted);
}

.hero__lead {
  max-width: 720px;
  margin-bottom: 2rem;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero__visual {
  position: relative;
  min-height: 430px;
}

.diagnostic {
  position: absolute;
  right: 0;
  bottom: 6%;
  width: min(100%, 500px);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(17, 19, 27, 0.92), rgba(4, 8, 14, 0.82)),
    radial-gradient(circle at 85% 10%, rgba(45, 153, 225, 0.18), transparent 15rem);
  box-shadow: 0 30px 100px rgba(45, 153, 225, 0.12);
  overflow: hidden;
}

.diagnostic::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--gradient-brand);
  opacity: 0.8;
}

.diagnostic__corner {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 160px;
  height: 160px;
  border-top: 18px solid transparent;
  border-right: 18px solid transparent;
  border-image: var(--gradient-brand) 1;
  box-shadow: 18px 18px 60px rgba(45, 153, 225, 0.24);
}

.diagnostic__header,
.diagnostic__score,
.diagnostic__layers,
.diagnostic__line {
  position: relative;
  z-index: 1;
}

.diagnostic__header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  margin-bottom: clamp(2rem, 5vw, 3.3rem);
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.diagnostic__header span:last-child {
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(45, 153, 225, 0.36);
  border-radius: 999px;
  color: var(--color-secondary);
  background: rgba(45, 153, 225, 0.08);
}

.diagnostic__score {
  display: grid;
  gap: 0.55rem;
  max-width: 330px;
  margin-bottom: 1.4rem;
}

.diagnostic__score span {
  color: var(--color-soft);
  font-size: 0.9rem;
}

.diagnostic__score strong {
  color: var(--color-text);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.12;
}

.diagnostic__layers {
  display: grid;
  gap: 0.75rem;
}

.diagnostic__layers span {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
  color: var(--color-muted);
  font-weight: 700;
}

.diagnostic__layers span:nth-child(2) {
  margin-left: 2rem;
}

.diagnostic__layers span:nth-child(3) {
  margin-left: 4rem;
}

.diagnostic__line {
  width: min(70%, 310px);
  height: 8px;
  margin-top: 1.4rem;
  border-radius: 999px;
  background: var(--gradient-brand);
  box-shadow: 0 0 36px rgba(45, 153, 225, 0.3);
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-heading p {
  max-width: 740px;
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.service-card,
.faq__item {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
}

.card,
.service-card {
  min-height: 250px;
  padding: 1.4rem;
  overflow: hidden;
}

.card::before,
.service-card::before,
.security__panel::before,
.cta__panel::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 62px;
  height: 62px;
  border-top: 3px solid var(--color-secondary);
  border-right: 3px solid var(--color-secondary);
}

.card__index {
  display: inline-block;
  margin-bottom: 2.5rem;
  color: var(--color-secondary);
  font-weight: 700;
}

.service-card ul {
  display: grid;
  gap: 0.72rem;
  margin: 1.4rem 0 0;
  padding: 0;
  color: var(--color-muted);
  list-style: none;
}

.service-card li {
  position: relative;
  padding-left: 1rem;
}

.service-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-secondary);
}

.split__content {
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--color-border);
}

.split__content p {
  font-size: 1.08rem;
}

.security__panel,
.cta__panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(79, 0, 232, 0.16), rgba(45, 153, 225, 0.07) 42%, rgba(255, 255, 255, 0.035)),
    var(--color-surface);
  overflow: hidden;
}

.security__panel p,
.cta__panel p {
  font-size: 1.06rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: method;
}

.timeline__item {
  min-height: 280px;
  padding: 1.4rem;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent);
}

.timeline__item span {
  display: inline-flex;
  margin-bottom: 2rem;
  color: var(--color-secondary);
  font-weight: 700;
}

.cta__panel {
  grid-template-columns: minmax(0, 1fr);
  max-width: 930px;
  text-align: left;
}

.cta__panel h2 {
  max-width: 820px;
}

.cta__panel p {
  max-width: 680px;
}

.faq__list {
  display: grid;
  gap: 0.75rem;
}

.faq__item {
  padding: 0;
  overflow: hidden;
}

.faq__item summary {
  position: relative;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 3.2rem 1.2rem 1.25rem;
  color: var(--color-text);
  cursor: pointer;
  font-weight: 700;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1.25rem;
  color: var(--color-secondary);
  font-size: 1.4rem;
}

.faq__item[open] summary::after {
  content: "−";
}

.faq__item p {
  max-width: 860px;
  margin: 0;
  padding: 0 1.25rem 1.25rem;
}

.legal-page {
  padding-top: clamp(4rem, 7vw, 6rem);
}

.legal-page__inner {
  max-width: 920px;
}

.legal-page h1 {
  max-width: 760px;
  font-size: clamp(2.5rem, 6vw, 5rem);
}

.legal-content {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.legal-content h2 {
  margin: 1rem 0 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.legal-content p {
  margin-bottom: 0;
}

.legal-content a {
  color: var(--color-secondary);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.legal-inline-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-secondary);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  background: #020207;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(420px, 1.4fr) auto;
  grid-template-areas: "brand links cta";
  gap: 1.5rem 2rem;
  align-items: center;
}

.footer__grid .brand {
  grid-area: brand;
}

.footer__links {
  grid-area: links;
  display: grid;
  grid-template-columns: repeat(4, minmax(92px, max-content));
  gap: 0.65rem 1rem;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.footer__grid > .button {
  grid-area: cta;
  justify-self: end;
  white-space: nowrap;
}

.privacy-choice {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 100;
  width: min(calc(100% - 2rem), 980px);
  margin-left: auto;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(5, 6, 10, 0.96);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.privacy-choice__content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.privacy-choice h2 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.privacy-choice p {
  max-width: 760px;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.privacy-choice__links,
.privacy-choice__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.privacy-choice__links {
  color: var(--color-secondary);
  font-size: 0.86rem;
}

.privacy-choice__actions {
  margin-top: 1rem;
}

.privacy-choice__actions .button {
  min-height: 42px;
  box-shadow: none;
}

.privacy-choice__settings {
  display: grid;
  gap: 0.6rem;
}

.privacy-choice__settings[hidden],
.privacy-choice [hidden] {
  display: none;
}

.privacy-choice__option {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.privacy-choice__option strong,
.privacy-choice__option small {
  display: block;
}

.privacy-choice__option small {
  color: var(--color-muted);
  font-size: 0.8rem;
}

.privacy-choice__option input {
  width: 22px;
  height: 22px;
  accent-color: var(--color-secondary);
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .footer__grid {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand cta"
      "links links";
  }

  .footer__links {
    justify-content: start;
    grid-template-columns: repeat(4, minmax(100px, max-content));
    margin-top: 1rem;
  }
}

@media (max-width: 1020px) {
  .card-grid--four,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__grid,
  .split,
  .security__panel {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: 340px;
  }

}

@media (max-width: 760px) {
  :root {
    --header-height: 76px;
  }

  .nav,
  .section__inner {
    width: min(calc(100% - 28px), var(--container));
  }

  .nav {
    min-height: var(--header-height);
  }

  .brand__logo--header {
    width: 126px;
    max-height: 50px;
    object-fit: contain;
  }

  .nav-toggle {
    display: grid;
    flex: 0 0 auto;
  }

  .nav > .button {
    display: none;
  }

  .nav__menu {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    display: grid;
    gap: 0;
    padding: 0.75rem 14px 1rem;
    border-bottom: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.96);
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-16px);
    opacity: 0;
    transition: transform 220ms ease;
  }

  .nav__menu.is-open {
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    opacity: 1;
  }

  .nav__menu a {
    min-height: 48px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .section {
    padding: 4.25rem 0;
  }

  .hero {
    min-height: auto;
    padding-top: 3.2rem;
  }

  .hero__actions,
  .cta__actions,
  .button {
    width: 100%;
  }

  .card-grid--three,
  .card-grid--four,
  .timeline {
    grid-template-columns: 1fr;
  }

  .card,
  .service-card,
  .timeline__item {
    min-height: auto;
  }

  .security__panel,
  .cta__panel {
    padding: 1.4rem;
  }

  .hero__visual {
    min-height: 300px;
  }

  .diagnostic {
    position: relative;
    bottom: auto;
    width: 100%;
  }

  .diagnostic__layers span:nth-child(2),
  .diagnostic__layers span:nth-child(3) {
    margin-left: 0;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "links"
      "cta";
  }

  .footer__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0.75rem;
  }

  .privacy-choice {
    right: 0.75rem;
    bottom: 0.75rem;
    left: 0.75rem;
    width: auto;
  }

  .privacy-choice__actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}