:root {
  --ink: #e9f1ff;
  --muted: #9baaca;
  --night: #061024;
  --night-soft: #0a1832;
  --panel: rgba(15, 34, 67, 0.72);
  --line: rgba(162, 193, 255, 0.18);
  --cyan: #76dcff;
  --gold: #f3c66b;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 77% 9%, rgba(41, 116, 166, 0.22), transparent 31rem),
    radial-gradient(circle at 8% 44%, rgba(69, 54, 139, 0.16), transparent 34rem),
    var(--night);
  font-family: Inter, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
}

.page-shell {
  min-height: 100vh;
  overflow: hidden;
}

.site-header,
.hero,
.section,
footer {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 760;
  letter-spacing: 0.065em;
}

.brand-mark {
  width: 31px;
  height: 31px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  transform: rotate(45deg);
}

.brand-mark span {
  display: block;
  background: linear-gradient(145deg, var(--cyan), #5e75e7);
  border-radius: 2px;
}

.brand-mark span:nth-child(2) {
  opacity: 0.35;
}

.brand-mark span:nth-child(3) {
  opacity: 0.6;
}

nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
}

nav a:hover,
nav a:focus-visible {
  color: var(--ink);
}

.nav-contact {
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 70px;
  padding-block: 82px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.2em;
}

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

h1 {
  margin-bottom: 28px;
  font-size: clamp(42px, 5.7vw, 76px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}

h1 span {
  color: transparent;
  background: linear-gradient(90deg, #fff, var(--cyan) 55%, var(--gold));
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-lead {
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.button-primary {
  color: #061024;
  background: linear-gradient(120deg, #a3edff, #78c7ff);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--muted);
}

.hero-visual {
  position: relative;
  width: min(100%, 440px);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(72, 144, 199, 0.2), rgba(6, 16, 36, 0) 68%);
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(118, 220, 255, 0.2);
  border-radius: 50%;
}

.hero-visual::after {
  inset: 32%;
}

.hero-visual > p {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(233, 241, 255, 0.46);
  font-size: 10px;
  letter-spacing: 0.5em;
}

.orbit {
  position: absolute;
  inset: 5%;
  border: 1px solid rgba(243, 198, 107, 0.17);
  border-radius: 50%;
  transform: rotate(-24deg) scaleY(0.38);
}

.orbit-two {
  inset: 10%;
  transform: rotate(62deg) scaleY(0.46);
}

.star {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid #dff8ff;
  border-radius: 50%;
  box-shadow: 0 0 18px var(--cyan);
}

.s1 { left: 21%; top: 55%; }
.s2 { left: 35%; top: 35%; }
.s3 { left: 53%; top: 47%; width: 13px; height: 13px; }
.s4 { left: 68%; top: 29%; }
.s5 { left: 77%; top: 49%; }
.s6 { left: 58%; top: 68%; }

.line {
  position: absolute;
  height: 1px;
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(118, 220, 255, 0.7), rgba(118, 220, 255, 0.15));
}

.l1 { left: 22%; top: 56%; width: 105px; transform: rotate(-53deg); }
.l2 { left: 36%; top: 36%; width: 93px; transform: rotate(29deg); }
.l3 { left: 55%; top: 48%; width: 104px; transform: rotate(-47deg); }
.l4 { left: 69%; top: 30%; width: 93px; transform: rotate(65deg); }
.l5 { left: 54%; top: 49%; width: 93px; transform: rotate(75deg); }

.section {
  padding-block: 110px;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 670px;
  margin-bottom: 48px;
}

.section-heading.compact {
  margin-bottom: 30px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child,
.product-copy > p,
.contact-section > div > p:last-child {
  color: var(--muted);
}

.profile-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 30px;
}

.profile-table {
  margin: 0;
  border-top: 1px solid var(--line);
}

.profile-table > div {
  display: grid;
  grid-template-columns: minmax(180px, 0.75fr) 1.25fr;
  gap: 28px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

dd {
  margin: 0;
  font-size: 14px;
}

dd a {
  color: var(--cyan);
  text-underline-offset: 4px;
}

.verification-card {
  padding: 32px;
  border: 1px solid rgba(118, 220, 255, 0.28);
  border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(33, 85, 123, 0.25), rgba(11, 25, 50, 0.76)),
    var(--panel);
}

.verification-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 50%;
  color: #07152b;
  background: var(--cyan);
  font-weight: 900;
}

.verification-label {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.verification-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.verification-card p {
  color: var(--muted);
  font-size: 13px;
}

.verification-card a {
  display: inline-block;
  margin-top: 12px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-underline-offset: 5px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.service-grid article {
  min-height: 260px;
  padding: 34px;
  background: rgba(10, 24, 50, 0.48);
}

.service-grid article + article {
  border-left: 1px solid var(--line);
}

.service-grid article > span {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.service-grid h3 {
  margin: 54px 0 12px;
  font-size: 20px;
}

.service-grid p {
  color: var(--muted);
  font-size: 13px;
}

.product-section {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 72px;
  align-items: center;
}

.product-copy h2 span {
  color: var(--cyan);
  font-size: 0.58em;
  font-weight: 520;
}

.product-tagline {
  color: var(--ink) !important;
  font-size: 18px;
  font-weight: 680;
}

.product-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.product-facts div {
  display: grid;
  gap: 4px;
}

.product-facts dd {
  font-size: 13px;
}

.product-art {
  position: relative;
  aspect-ratio: 1;
  border-radius: 18px;
  background:
    radial-gradient(circle at 60% 25%, rgba(118, 220, 255, 0.22), transparent 27%),
    linear-gradient(145deg, #102c52, #08152c);
  overflow: hidden;
}

.panel-grid {
  position: absolute;
  inset: 12%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 6px;
  transform: perspective(600px) rotateX(8deg) rotateZ(-2deg);
}

.panel-grid i {
  border: 1px solid rgba(220, 244, 255, 0.16);
  background: rgba(7, 18, 40, 0.5);
}

.panel-grid i:first-child {
  background: #030711;
}

.book {
  position: absolute;
  left: 28%;
  bottom: 23%;
  width: 48%;
  height: 22%;
  display: flex;
  transform: rotate(-5deg);
}

.book span {
  flex: 1;
  border: 2px solid rgba(233, 241, 255, 0.75);
  background: linear-gradient(145deg, rgba(233, 241, 255, 0.72), rgba(118, 220, 255, 0.26));
}

.book span:first-child {
  border-radius: 80% 8% 8% 18%;
  transform: skewY(8deg);
}

.book span:last-child {
  border-radius: 8% 80% 18% 8%;
  transform: skewY(-8deg);
}

.bird {
  position: absolute;
  color: rgba(233, 241, 255, 0.82);
  text-shadow: 0 0 25px var(--cyan);
}

.bird-large {
  left: 47%;
  top: 22%;
  font-size: 78px;
  transform: rotate(27deg) skewX(-18deg);
}

.bird-small {
  left: 24%;
  top: 20%;
  font-size: 25px;
  color: var(--gold);
  transform: rotate(-19deg);
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
}

.contact-section > div > p:last-child {
  max-width: 560px;
}

.contact-link {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
  text-decoration: none;
  font-size: clamp(17px, 2.2vw, 25px);
  font-weight: 700;
}

.contact-link span {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.contact-link b {
  font-size: 24px;
}

footer {
  min-height: 190px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.footer-brand {
  color: var(--ink);
}

@media (max-width: 860px) {
  nav a:not(.nav-contact) {
    display: none;
  }

  .hero,
  .profile-grid,
  .product-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 20px;
    padding-top: 70px;
  }

  .hero-visual {
    width: min(90vw, 420px);
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-grid article {
    min-height: auto;
  }

  .service-grid article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .service-grid h3 {
    margin-top: 30px;
  }

  .product-art {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 14px;
    padding-block: 46px;
  }
}

@media (max-width: 580px) {
  .site-header,
  .hero,
  .section,
  footer {
    width: min(calc(100% - 30px), var(--max));
  }

  .site-header {
    min-height: 74px;
  }

  .nav-contact {
    padding: 7px 12px;
    font-size: 11px;
  }

  .hero {
    min-height: auto;
    padding-block: 58px 76px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    justify-content: center;
  }

  .hero-visual {
    margin-top: 36px;
  }

  .section {
    padding-block: 76px;
  }

  .profile-table > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .verification-card,
  .service-grid article {
    padding: 26px;
  }

  .product-facts {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

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