:root {
  --bg-deep: #091021;
  --bg-deeper: #050913;
  --ink: #f4f7fb;
  --ink-muted: #b2bfd7;
  --surface: rgba(11, 20, 37, 0.7);
  --surface-strong: rgba(16, 28, 51, 0.9);
  --surface-soft: rgba(255, 255, 255, 0.06);
  --line: rgba(170, 198, 255, 0.18);
  --accent: #77f2c9;
  --accent-strong: #9ef46e;
  --accent-warm: #ffbf69;
  --accent-cool: #80aaff;
  --shadow-lg: 0 36px 120px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 22px 52px rgba(0, 0, 0, 0.24);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --page-width: min(1200px, calc(100vw - 48px));
  --font-body: "Zen Kaku Gothic New", sans-serif;
  --font-ui: "Space Grotesk", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% 12%, rgba(119, 242, 201, 0.18), transparent 24%),
    radial-gradient(circle at 85% 8%, rgba(128, 170, 255, 0.2), transparent 22%),
    radial-gradient(circle at 50% 120%, rgba(255, 191, 105, 0.16), transparent 26%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deeper) 100%);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.82;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 100%);
  pointer-events: none;
  z-index: -2;
}

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

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

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(28px);
  pointer-events: none;
  z-index: -1;
}

.page-shell::before {
  width: 360px;
  height: 360px;
  top: 140px;
  right: -120px;
  background: rgba(128, 170, 255, 0.18);
}

.page-shell::after {
  width: 420px;
  height: 420px;
  left: -160px;
  bottom: 240px;
  background: rgba(119, 242, 201, 0.15);
}

.site-header,
.section,
.site-footer {
  width: var(--page-width);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 22px;
  margin-top: 18px;
  border: 1px solid rgba(203, 221, 255, 0.14);
  border-radius: 999px;
  background: rgba(5, 9, 19, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.24);
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

body.is-scrolled .site-header {
  transform: translateY(-4px);
  background: rgba(5, 9, 19, 0.84);
  border-color: rgba(203, 221, 255, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-copy strong {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-copy span:last-child {
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.site-nav a {
  position: relative;
  color: rgba(244, 247, 251, 0.72);
  font-size: 0.92rem;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  transition: transform 180ms ease;
}

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

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

.section {
  padding: 112px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 36px;
  align-items: start;
  padding-top: 86px;
}

.eyebrow,
.hero-signal__eyebrow,
.feature-band__eyebrow,
.showcase-card__eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-kicker {
  margin: 0 0 18px;
  color: var(--accent-warm);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.6;
}

.hero-title {
  margin: 0;
  max-width: 9.6em;
  font-family: var(--font-body);
  font-size: clamp(2.9rem, 5.15vw, 4.55rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-wrap: pretty;
}

.hero-title__line {
  display: block;
  white-space: nowrap;
}

.hero-title__line + .hero-title__line {
  margin-top: 0.08em;
}

.hero-title__line--accent {
  color: #e3ffe3;
}

.hero-lead,
.section-summary,
.closing-panel p,
.offer-copy p,
.value-copy p {
  margin: 24px 0 0;
  max-width: 40rem;
  color: var(--ink-muted);
  font-size: 1.04rem;
  line-height: 1.95;
  text-wrap: pretty;
}

.hero-pillars,
.hero-metric-grid,
.problem-grid,
.function-grid,
.scene-grid,
.offer-grid {
  display: grid;
  gap: 18px;
}

.hero-pillars {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.pillar-card,
.metric-card,
.problem-card,
.function-card,
.feature-band__item,
.showcase-card,
.scene-card,
.offer-card,
.faq-item,
.value-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 31, 55, 0.88), rgba(10, 16, 31, 0.92));
  box-shadow: var(--shadow-md);
}

.pillar-card {
  padding: 24px;
}

.pillar-card__label,
.problem-card__label,
.offer-card__label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pillar-card h2,
.problem-card h3,
.function-card h3,
.feature-band__item h3,
.showcase-card h3,
.scene-card h3,
.offer-card h3,
.value-card h3 {
  margin: 16px 0 12px;
  font-size: 1.22rem;
  line-height: 1.52;
  letter-spacing: 0.01em;
  text-wrap: pretty;
}

.pillar-card p,
.problem-card p,
.function-card li,
.feature-band__item p,
.showcase-card p,
.scene-card p,
.offer-card p,
.faq-item p,
.value-card p,
.signal-list li,
.metric-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.98rem;
  line-height: 1.86;
}

.hero-panel {
  position: sticky;
  top: 120px;
  display: grid;
  gap: 18px;
}

.hero-signal,
.offer-panel,
.closing-panel {
  padding: 30px;
  border: 1px solid rgba(119, 242, 201, 0.18);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(14, 26, 48, 0.92), rgba(7, 13, 25, 0.88)), rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-lg);
}

.signal-list {
  margin: 0;
  padding-left: 1.1em;
}

.signal-list li + li {
  margin-top: 10px;
}

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

.metric-card {
  min-height: 136px;
  padding: 22px;
}

.metric-card__value {
  display: block;
  margin-bottom: 14px;
  color: #ffffff;
  font-family: var(--font-ui);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.section-heading {
  max-width: 920px;
}

.section-heading h2 {
  margin: 0;
  max-width: 16em;
  font-family: var(--font-body);
  font-size: clamp(2rem, 3vw, 2.85rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.problem-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.problem-card,
.function-card,
.scene-card,
.offer-card {
  padding: 24px;
}

.value-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 28px;
  align-items: start;
}

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

.value-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px 20px;
  padding: 24px;
  align-items: start;
}

.value-card__index {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(119, 242, 201, 0.16), rgba(128, 170, 255, 0.18));
  color: #ffffff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.value-card__body {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.value-card__body h3,
.value-card__body p {
  margin: 0;
}

.function-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
}

.function-card ul {
  margin: 0;
  padding-left: 1.1em;
}

.function-card li + li {
  margin-top: 10px;
}

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

.feature-band__item {
  padding: 24px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.showcase-card--wide {
  grid-column: span 2;
}

.showcase-card__copy {
  padding: 24px 24px 0;
}

.showcase-card img {
  width: 100%;
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.scene-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.offer-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
}

.offer-copy h2,
.closing-panel h2 {
  margin: 0;
  max-width: 14em;
  font-family: var(--font-body);
  font-size: clamp(1.95rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

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

.offer-card h3 {
  margin-bottom: 8px;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

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

.faq-item summary {
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

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

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 0 56px;
}

.site-footer__label {
  margin: 0;
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-muted);
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--ink);
  border-color: rgba(119, 242, 201, 0.48);
  background: rgba(119, 242, 201, 0.08);
  transform: translateY(-1px);
}

.closing-panel {
  max-width: 880px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

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

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

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

@media (max-width: 1120px) {
  .hero,
  .value-layout,
  .offer-panel {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    position: static;
  }

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

@media (max-width: 900px) {
  .site-header {
    border-radius: 30px;
  }

  .hero-pillars,
  .function-grid,
  .feature-band,
  .offer-grid,
  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .showcase-card--wide {
    grid-column: auto;
  }

  .hero-metric-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --page-width: min(100vw - 28px, 100vw - 28px);
  }

  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    margin-top: 14px;
    border-radius: 26px;
  }

  .site-nav {
    gap: 14px;
  }

  .section {
    padding: 88px 0;
  }

  .hero {
    padding-top: 52px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 44px;
  }

  .hero-title {
    max-width: none;
    font-size: clamp(2.15rem, 9.8vw, 3.05rem);
    line-height: 1.08;
  }

  .section-heading h2,
  .offer-copy h2,
  .closing-panel h2 {
    font-size: clamp(1.82rem, 8.2vw, 2.4rem);
    line-height: 1.42;
  }

  .hero-pillars,
  .hero-metric-grid,
  .problem-grid,
  .scene-grid {
    grid-template-columns: 1fr;
  }

  .value-card {
    grid-template-columns: 1fr;
  }

  .hero-signal,
  .offer-panel,
  .closing-panel {
    padding: 22px;
  }
}