:root {
  --color-primary: #0e4c8a;
  --color-primary-deep: #072b52;
  --color-primary-soft: #123b68;
  --color-accent: #48cfe3;
  --color-accent-soft: #dff9fd;
  --color-surface: #f7fbff;
  --color-surface-strong: #ffffff;
  --color-border: rgba(18, 59, 104, 0.14);
  --color-border-strong: rgba(14, 76, 138, 0.24);
  --color-text: #15314e;
  --color-text-muted: #5e738c;
  --shadow-soft: 0 18px 50px rgba(13, 55, 100, 0.08);
  --shadow-card: 0 20px 60px rgba(10, 41, 76, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container-width: min(1180px, calc(100% - 40px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(72, 207, 227, 0.05), transparent 26%),
    linear-gradient(180deg, #f9fcff 0%, #f4f8fd 100%);
  line-height: 1.6;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.page-background__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 207, 227, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 207, 227, 0.03) 1px, transparent 1px);
  background-size: 156px 156px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.48), transparent 78%);
}

.page-background__glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  filter: blur(22px);
  opacity: 0.06;
}

.page-background__glow--left {
  top: 120px;
  left: -140px;
  background: rgba(72, 207, 227, 0.2);
}

.page-background__glow--right {
  top: 420px;
  right: -120px;
  background: rgba(14, 76, 138, 0.1);
}

.container {
  width: var(--container-width);
  margin: 0 auto;
}

.section {
  padding: 104px 0;
}

.section--alt {
  position: relative;
}

.section--alt::before {
  content: "";
  position: absolute;
  inset: 36px 0;
  background: rgba(255, 255, 255, 0.58);
  border-top: 1px solid rgba(72, 207, 227, 0.1);
  border-bottom: 1px solid rgba(14, 76, 138, 0.08);
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 10px 0 0;
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 13px 18px;
  background: rgba(247, 251, 255, 0.72);
  border: 1px solid rgba(14, 76, 138, 0.06);
  border-radius: 26px;
  box-shadow: 0 6px 16px rgba(15, 55, 100, 0.035);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand__logo-shell {
  display: block;
  width: 182px;
  height: 62px;
  border-radius: 20px;
  overflow: hidden;
}

.brand__logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.14);
  transform-origin: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.site-nav-toggle {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 14px;
  color: var(--color-primary-deep);
  cursor: pointer;
}

.site-nav-toggle span {
  position: absolute;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 160ms ease,
    opacity 160ms ease;
}

.site-nav-toggle span:nth-child(1) {
  transform: translateY(-6px);
}

.site-nav-toggle span:nth-child(3) {
  transform: translateY(6px);
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  padding-top: 76px;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 54px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--color-primary-soft);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 38px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

h1,
h2,
h3,
strong {
  letter-spacing: -0.04em;
}

h1 {
  margin: 0;
  color: var(--color-primary-deep);
  font-size: clamp(3rem, 5vw, 5.3rem);
  line-height: 0.98;
  max-width: 11ch;
}

h2 {
  margin: 0 0 18px;
  color: var(--color-primary-deep);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
  max-width: 16ch;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  line-height: 1.15;
}

p {
  margin: 0;
}

.hero__lead,
.section-heading p,
.problem-card p,
.solution-card p,
.domain-card p,
.process-step p,
.advantage-card p,
.future-panel p,
.contact-card__aside span,
.site-footer__text,
.site-footer__meta p {
  color: var(--color-text-muted);
}

.hero__lead {
  max-width: 60ch;
  font-size: 1.08rem;
  margin-top: 22px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  color: white;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1162ac 100%);
  box-shadow: 0 18px 38px rgba(14, 76, 138, 0.22);
}

.button--secondary {
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(14, 76, 138, 0.14);
}

.hero__highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 36px 0 0;
}

.hero__highlights div {
  padding-top: 18px;
  border-top: 1px solid rgba(18, 59, 104, 0.14);
}

.hero__highlights dt {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-deep);
}

.hero__highlights dd {
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.hero__visual {
  position: relative;
}

.hero-panel {
  position: relative;
  padding: 28px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(14, 76, 138, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.hero-panel + .hero-panel {
  margin-top: 22px;
}

.hero-panel__header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 22px;
}

.hero-panel__tag,
.hero-panel__status,
.signal-card__label,
.solution-card__index,
.process-step__number {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-panel__tag,
.signal-card__label {
  color: var(--color-primary);
}

.hero-panel__status {
  color: var(--color-accent);
}

.hero-panel--brand {
  padding: 4px 0 8px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.hero-mark {
  display: block;
  padding: 0;
}

.hero-mark__logo-shell {
  display: block;
  width: min(100%, 388px);
  aspect-ratio: 3.35 / 1;
  border-radius: 38px;
  overflow: hidden;
}

.hero-mark__logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.08);
  transform-origin: center;
}

.signal-card {
  padding: 20px 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(72, 207, 227, 0.08), rgba(255, 255, 255, 0.94));
  border: 1px solid rgba(72, 207, 227, 0.18);
}

.signal-card strong {
  display: block;
  margin-top: 8px;
  color: var(--color-primary-deep);
  font-size: 1.32rem;
  line-height: 1.2;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.signal-grid article,
.problem-card,
.solution-card,
.domain-card,
.process-step,
.advantage-card,
.future-panel article,
.contact-card,
.investor-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.signal-grid article {
  padding: 18px;
  border-radius: 18px;
}

.signal-grid span,
.investor-card__metric span,
.contact-card__aside p {
  display: block;
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-grid strong,
.investor-card__metric strong {
  display: block;
  margin-top: 10px;
  color: var(--color-primary-deep);
  font-size: 1rem;
  line-height: 1.3;
}

.section-heading {
  max-width: 660px;
}

.section-heading--sticky {
  position: sticky;
  top: 122px;
  align-self: start;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.problem-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
}

.solution-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
  gap: 34px;
}

.solution-stack {
  display: grid;
  gap: 18px;
}

.solution-card {
  position: relative;
  padding: 30px 32px 30px 94px;
  border-radius: var(--radius-lg);
}

.solution-card__index {
  position: absolute;
  top: 28px;
  left: 28px;
  color: var(--color-accent);
}

.domain-grid,
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.domain-card,
.advantage-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.process-step {
  position: relative;
  padding: 30px 28px 28px;
  border-radius: var(--radius-lg);
}

.process-step__number {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  justify-content: center;
  align-items: center;
  margin-bottom: 18px;
  color: var(--color-primary);
  background: rgba(72, 207, 227, 0.12);
}

.future-grid,
.investors-grid,
.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 32px;
  align-items: start;
}

.future-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.future-panel article {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.section--investors {
  position: relative;
}

.section--investors::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(7, 43, 82, 0.98), rgba(14, 76, 138, 0.95)),
    radial-gradient(circle at top right, rgba(72, 207, 227, 0.18), transparent 32%);
  z-index: -1;
}

.section--investors .eyebrow,
.section--investors h2,
.section--investors .section-heading p,
.section--investors .investor-list li,
.section--investors .investor-card__metric strong,
.section--investors .investor-card__metric span {
  color: #f3fbff;
}

.section--investors .eyebrow::before {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), var(--color-accent));
}

.investor-card {
  padding: 32px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.investor-card__metric {
  padding: 24px;
  border-radius: 24px;
  background: rgba(72, 207, 227, 0.08);
  border: 1px solid rgba(72, 207, 227, 0.18);
}

.investor-list {
  margin: 24px 0 30px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.investor-list li {
  position: relative;
  padding-left: 24px;
}

.investor-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
}

.section--final {
  padding-bottom: 90px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 20px;
  padding: 30px;
  border-radius: var(--radius-xl);
}

.contact-card__primary {
  display: grid;
  gap: 20px;
}

.contact-card__eyebrow {
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-card__primary h3 {
  margin: 0;
  color: var(--color-primary-deep);
  font-size: 1.7rem;
  line-height: 1.1;
  max-width: 18ch;
}

.contact-card__text {
  max-width: 58ch;
  color: var(--color-text-muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.contact-card__aside {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 12px;
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(72, 207, 227, 0.08), rgba(14, 76, 138, 0.04));
  border: 1px solid rgba(72, 207, 227, 0.16);
}

.contact-card__aside a {
  color: var(--color-primary);
  font-weight: 700;
}

.site-footer {
  padding: 0 0 40px;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 30px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(14, 76, 138, 0.08);
  border-radius: 28px;
}

.site-footer__brand {
  display: flex;
  gap: 6px;
  margin: 0 0 8px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.site-footer__brand span:first-child {
  color: var(--color-primary);
}

.site-footer__brand span:last-child {
  color: var(--color-accent);
}

.site-footer__meta {
  display: grid;
  gap: 6px;
  text-align: right;
}

.site-footer__meta a {
  color: var(--color-primary);
  font-weight: 700;
}

@media (max-width: 1120px) {
  .hero__grid,
  .solution-grid,
  .future-grid,
  .investors-grid,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .section-heading--sticky {
    position: static;
  }

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

@media (max-width: 920px) {
  .site-header {
    position: sticky;
    top: 0;
    padding-top: 8px;
    backdrop-filter: blur(8px);
  }

  .site-header__inner,
  .site-footer__inner,
  .contact-card,
  .hero-mark {
    border-radius: 24px;
  }

  .site-header__inner {
    position: relative;
    flex-wrap: wrap;
    align-items: center;
    padding: 10px 14px;
    border-radius: 22px;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav,
  .site-footer__meta {
    text-align: left;
  }

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

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin-top: 8px;
    padding-top: 10px;
    border-top: 1px solid rgba(14, 76, 138, 0.08);
  }

  .site-nav a {
    width: 100%;
    padding: 12px 2px;
  }

  .site-header--menu-open .site-nav {
    display: flex;
  }

  .site-header--menu-open .site-nav-toggle span:nth-child(1) {
    transform: rotate(45deg);
  }

  .site-header--menu-open .site-nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header--menu-open .site-nav-toggle span:nth-child(3) {
    transform: rotate(-45deg);
  }

  .hero__highlights,
  .signal-grid,
  .domain-grid,
  .advantage-grid,
  .process-grid,
  .future-panel,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .section {
    padding: 86px 0;
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header__inner,
  .hero-panel,
  .problem-card,
  .solution-card,
  .domain-card,
  .process-step,
  .advantage-card,
  .future-panel article,
  .investor-card,
  .contact-card,
  .site-footer__inner {
    padding-left: 22px;
    padding-right: 22px;
  }

  .site-header__inner {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .site-nav {
    margin-top: 6px;
    padding-top: 8px;
  }

  .hero {
    padding-top: 52px;
  }

  h1 {
    max-width: 12ch;
  }

  .brand__logo-shell {
    width: 156px;
    height: 52px;
  }

  .hero-mark__logo-shell {
    width: min(100%, 320px);
  }

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

  .solution-card {
    padding: 72px 22px 24px;
  }

  .solution-card__index {
    top: 24px;
    left: 22px;
  }
}