:root {
  --bg: #050813;
  --bg-deep: #0b1530;
  --panel: rgba(11, 20, 42, 0.82);
  --panel-strong: rgba(9, 16, 35, 0.94);
  --line: rgba(116, 171, 255, 0.2);
  --line-strong: rgba(116, 171, 255, 0.38);
  --line-soft: rgba(116, 171, 255, 0.12);
  --text: #eef3ff;
  --muted: #b0bcd3;
  --soft: #7f8ba3;
  --accent: #68e6d7;
  --accent-strong: #83b9ff;
  --accent-warm: #f3bb78;
  --radius: 32px;
  --radius-sm: 24px;
  --max: 1240px;
  --shadow: 0 34px 90px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Sora", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(104, 230, 215, 0.12), transparent 24%),
    radial-gradient(circle at 84% 12%, rgba(243, 187, 120, 0.12), transparent 18%),
    radial-gradient(circle at 72% 40%, rgba(131, 185, 255, 0.1), transparent 26%),
    linear-gradient(180deg, #040712 0%, #091121 36%, #040713 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 28%, transparent 82%);
  opacity: 0.5;
}

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

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

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

h1,
h2,
h3,
h4,
summary {
  margin: 0;
  line-height: 1.04;
}

h1 {
  font-size: clamp(3rem, 5vw, 5rem);
  letter-spacing: -0.055em;
}

h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  letter-spacing: -0.045em;
}

h3 {
  font-size: 1.14rem;
  letter-spacing: -0.02em;
}

small,
span,
li {
  line-height: 1.6;
}

section[id] {
  scroll-margin-top: 112px;
}

.page-shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding-bottom: 56px;
}

.topbar {
  position: sticky;
  top: 18px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  padding: 16px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(5, 8, 20, 0.44);
  backdrop-filter: blur(18px);
  transition:
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.topbar.is-scrolled {
  background: rgba(7, 10, 22, 0.82);
  border-color: var(--line-soft);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background:
    radial-gradient(circle at 32% 30%, rgba(104, 230, 215, 0.35), transparent 48%),
    linear-gradient(135deg, rgba(131, 185, 255, 0.24), rgba(243, 187, 120, 0.16));
}

.brand-mark-core {
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 24px rgba(104, 230, 215, 0.32);
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-size: 0.96rem;
  letter-spacing: -0.02em;
}

.brand-copy small {
  color: var(--soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
}

.nav a {
  position: relative;
  font-size: 0.92rem;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.nav a:hover {
  color: var(--text);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: auto;
  padding: 84px 0 52px;
  overflow: clip;
  --pointer-x: 74%;
  --pointer-y: 28%;
  background:
    radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(104, 230, 215, 0.22), transparent 22%),
    radial-gradient(circle at 84% 16%, rgba(243, 187, 120, 0.18), transparent 16%),
    linear-gradient(180deg, rgba(5, 9, 21, 0.78) 0%, rgba(7, 12, 25, 0.96) 56%, rgba(4, 8, 19, 1) 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 92%);
  opacity: 0.32;
}

.hero::after {
  background:
    radial-gradient(circle at 84% 42%, rgba(131, 185, 255, 0.12), transparent 24%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028), transparent 24%, transparent 76%, rgba(255, 255, 255, 0.02));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(500px, 1.04fr);
  gap: 42px;
  align-items: start;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.brand-word {
  margin: 18px 0 10px;
  color: #f8f4ee;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(3.8rem, 6.6vw, 5.4rem);
  line-height: 0.86;
  letter-spacing: -0.06em;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 4vw, 4rem);
}

.lead {
  max-width: 33ch;
  margin-top: 20px;
  font-size: 1.08rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.hero-cta-center {
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 600;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  border: 0;
  color: #05101d;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 18px 50px rgba(104, 230, 215, 0.24);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.02);
}

.button.ghost:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
}

.hero-note {
  margin-top: 16px;
  color: var(--soft);
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.hero-visual::before {
  inset: 10% 8% 16%;
  border: 1px solid rgba(131, 185, 255, 0.18);
  transform: rotate(8deg);
  animation: slow-spin 22s linear infinite;
}

.hero-visual::after {
  inset: 14% 16% 22%;
  border: 1px solid rgba(243, 187, 120, 0.16);
  transform: rotate(-12deg);
  animation: slow-spin-reverse 26s linear infinite;
}

.hero-image {
  position: relative;
  z-index: 1;
  width: min(100%, 860px);
  filter: drop-shadow(0 48px 90px rgba(0, 0, 0, 0.34));
  animation: hero-float 10s ease-in-out infinite;
}

.proof-band,
.language-strip,
.section,
.footer {
  position: relative;
  z-index: 1;
}

.proof-band {
  padding: 34px 0 92px;
}

.proof-band-head {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(280px, 0.72fr);
  gap: 28px;
  align-items: end;
}

.proof-band-head h2 {
  max-width: 14ch;
  margin-top: 10px;
}

.proof-note {
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.proof-item {
  padding: 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(12, 20, 40, 0.7), rgba(7, 12, 24, 0.96));
  box-shadow: var(--shadow);
  transition:
    transform 220ms ease,
    border-color 220ms ease;
}

.proof-item:hover {
  transform: translateY(-4px);
  border-color: var(--line);
}

.proof-value {
  margin-bottom: 16px;
  color: var(--accent);
  font-size: clamp(1.35rem, 2.6vw, 2.2rem);
  font-weight: 700;
  line-height: 1.15;
}

.proof-item h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.language-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding: 0 0 96px;
}

.language-item {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.language-item h3 {
  margin-bottom: 12px;
  color: var(--text);
}

.section {
  padding: 98px 0;
  border-top: 1px solid var(--line-soft);
}

.section-heading {
  max-width: 860px;
}

.section-heading.narrow {
  max-width: 760px;
}

.section-heading p {
  max-width: 58ch;
  margin-top: 18px;
}

.feature-grid,
.role-grid,
.roadmap-grid {
  display: grid;
  gap: 22px;
  margin-top: 38px;
}

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

.feature-item,
.difference-item,
.role-item,
.roadmap-item {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.feature-index,
.roadmap-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--soft);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.feature-item p,
.difference-item p,
.role-item p,
.trust-item p,
.roadmap-item p {
  margin-top: 14px;
}

.how-layout,
.trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  margin-top: 36px;
}

.media-shell {
  position: relative;
  margin: 0;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(13, 21, 40, 0.7), rgba(6, 11, 24, 0.96)),
    radial-gradient(circle at 16% 16%, rgba(131, 185, 255, 0.12), transparent 24%);
  box-shadow: var(--shadow);
}

.media-shell::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  pointer-events: none;
}

.media-shell img {
  border-radius: 22px;
}

.media-shell-trust {
  background:
    linear-gradient(180deg, rgba(12, 19, 38, 0.76), rgba(6, 10, 22, 0.98)),
    radial-gradient(circle at 82% 12%, rgba(243, 187, 120, 0.12), transparent 22%);
}

.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.step-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.step-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.step-count {
  color: var(--accent);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}

.difference-grid,
.trust-grid {
  display: grid;
  gap: 22px;
  margin-top: 36px;
}

.difference-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-guides {
  background:
    radial-gradient(circle at 12% 22%, rgba(104, 230, 215, 0.08), transparent 20%),
    radial-gradient(circle at 88% 78%, rgba(243, 187, 120, 0.08), transparent 20%);
}

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

.trust-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.trust-item {
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

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

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.faq-item {
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(12, 20, 40, 0.52), rgba(7, 12, 24, 0.94));
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  padding: 22px 60px 22px 22px;
  cursor: pointer;
  list-style: none;
  font-size: 1.02rem;
  font-weight: 600;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 20px;
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 400;
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  padding: 0 22px 22px;
}

.final-cta {
  text-align: center;
}

.final-cta .section-heading {
  margin: 0 auto;
}

.contact-note {
  max-width: 58ch;
  margin: 20px auto 0;
  color: var(--soft);
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 0.48fr) minmax(0, 1fr);
  gap: 28px;
  padding: 34px 0 60px;
  border-top: 1px solid var(--line-soft);
}

.footer strong {
  display: block;
  margin-bottom: 8px;
}

.footer-note {
  max-width: 64ch;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 720ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 720ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes hero-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes slow-spin {
  from {
    transform: rotate(8deg);
  }
  to {
    transform: rotate(368deg);
  }
}

@keyframes slow-spin-reverse {
  from {
    transform: rotate(-12deg);
  }
  to {
    transform: rotate(-372deg);
  }
}

@media (max-width: 1160px) {
  .hero-inner,
  .proof-band-head,
  .how-layout,
  .trust-layout,
  .footer {
    grid-template-columns: 1fr;
  }

  .proof-grid,
  .feature-grid,
  .role-grid,
  .roadmap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .difference-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 82px;
  }

  .hero-copy h1,
  .lead,
  .proof-band-head h2 {
    max-width: none;
  }

  .hero-visual {
    min-height: 520px;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--max));
  }

  .nav {
    display: none;
  }

  .topbar {
    padding: 14px 16px;
  }

  .hero {
    padding: 84px 0 50px;
  }

  .hero-inner {
    width: min(calc(100% - 24px), var(--max));
    gap: 28px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-image {
    width: min(100%, 720px);
  }

  .proof-band {
    padding-bottom: 74px;
  }

  .proof-grid,
  .language-strip,
  .feature-grid,
  .role-grid,
  .roadmap-grid {
    grid-template-columns: 1fr;
  }

  .language-strip {
    gap: 22px;
    padding-bottom: 82px;
  }

  .section {
    padding: 84px 0;
  }

  .how-layout,
  .trust-layout {
    gap: 28px;
  }

  .media-shell {
    padding: 16px;
  }

  .step-item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}