:root {
  --bg-dark: #07111b;
  --bg-dark-2: #0d1a27;
  --bg-light: #f4efe8;
  --surface: #fffaf3;
  --text-dark: #081019;
  --text-light: #f5f7fb;
  --muted-light: rgba(245, 247, 251, 0.72);
  --muted-dark: #5c6672;
  --line: #6bc3ff;
  --accent: #7dd6ff;
  --border: rgba(8, 16, 25, 0.1);
  --display-font: "Montserrat", sans-serif;
  --body-font: "Montserrat", sans-serif;
  --hero-fade: 1;
  --shell-width: min(1160px, calc(100vw - 64px));
  --section-space: clamp(4.5rem, 8vw, 8rem);
}

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

body {
  margin: 0;
  font-family: var(--body-font);
  color: var(--text-dark);
  background:
    linear-gradient(180deg, rgba(125, 214, 255, 0.08), transparent 24%),
    linear-gradient(180deg, var(--bg-dark) 0, var(--bg-dark-2) 28%, var(--bg-light) 28%, var(--bg-light) 100%);
}

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

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

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

.public-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 10;
  padding: 1.5rem 0;
}

.public-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand-mark {
  font-family: var(--display-font);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}

.header-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.menu-btn {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.menu-icon {
  display: block;
  cursor: pointer;
  position: relative;
  width: 25px;
  height: 20px;
  z-index: 2;
}

.navicon {
  background: var(--text-light);
  display: block;
  height: 2px;
  width: 100%;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.2s ease-out;
}

.navicon::before,
.navicon::after {
  background: var(--text-light);
  content: "";
  display: block;
  height: 100%;
  position: absolute;
  width: 100%;
  transition: all 0.2s ease-out;
}

.navicon::before {
  top: 7px;
}

.navicon::after {
  top: -7px;
}

.menu {
  position: absolute;
  top: calc(100% + 0.9rem);
  right: 0;
  min-width: 14rem;
  margin: 0;
  padding: 0.9rem 1rem;
  list-style: none;
  display: grid;
  gap: 0.75rem;
  border: 1px solid rgba(125, 214, 255, 0.16);
  border-radius: 1rem;
  background: rgba(8, 16, 25, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 1.5rem 3rem rgba(2, 7, 15, 0.34);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.35rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.menu li {
  margin: 0;
}

.menu a {
  display: block;
  color: var(--text-light);
  font-size: 0.98rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 180ms ease;
}

.menu a:hover,
.menu a:focus-visible {
  color: var(--accent);
}

.menu-btn:checked + .menu-icon .navicon {
  background: transparent;
}

.menu-btn:checked + .menu-icon .navicon::before {
  top: 0;
  transform: rotate(-45deg);
}

.menu-btn:checked + .menu-icon .navicon::after {
  top: 0;
  transform: rotate(45deg);
}

.menu-btn:checked ~ .menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.hero {
  position: relative;
  min-height: min(100svh, 920px);
  padding: clamp(7rem, 13vw, 10rem) 0 5rem;
  color: var(--text-light);
  overflow: hidden;
}

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

.hero::before {
  top: -12rem;
  right: -10rem;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 195, 255, 0.24), rgba(107, 195, 255, 0));
  opacity: var(--hero-fade);
}

.hero::after {
  left: -14rem;
  bottom: -12rem;
  width: 36rem;
  height: 36rem;
  background: radial-gradient(circle, rgba(65, 119, 173, 0.32), rgba(65, 119, 173, 0));
  opacity: calc(var(--hero-fade) * 0.9);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero-copy {
  min-width: 0;
  max-width: min(100%, 32rem);
}

.hero-intro {
  display: grid;
  gap: 0.75rem;
  max-width: 100%;
}

.hero-kicker,
.section-eyebrow {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

.hero h1,
.editorial-intro h2,
.section-heading h2,
.final-cta h2 {
  margin: 0;
  font-family: var(--display-font);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero h1 {
  min-width: 0;
  width: min(100%, 8.85ch);
  max-width: none;
  font-size: clamp(3rem, 6.6vw, 5.7rem);
  font-weight: 800;
  text-wrap: balance;
}

.hero-body,
.editorial-intro p,
.depth-panel p,
.credibility-item p,
.final-cta p {
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-body {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  color: var(--muted-light);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.96rem;
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

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

.button-primary {
  background: var(--text-light);
  color: var(--text-dark);
}

.button-secondary {
  border-color: rgba(245, 247, 251, 0.22);
  color: var(--text-light);
  background: rgba(245, 247, 251, 0.04);
}

.signal-panel {
  position: relative;
}

.signal-surface {
  position: relative;
  min-height: 30rem;
  padding: 2rem;
  border: 1px solid rgba(125, 214, 255, 0.18);
  border-radius: 2rem;
  background:
    linear-gradient(180deg, rgba(125, 214, 255, 0.08), rgba(125, 214, 255, 0.02)),
    rgba(8, 16, 25, 0.34);
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.signal-grid {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image:
    linear-gradient(rgba(125, 214, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 214, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent);
}

.signal-node {
  position: absolute;
  display: grid;
  align-content: start;
  gap: 0.55rem;
  min-height: 8.9rem;
  width: min(14rem, 42%);
  padding: 1rem 1rem 1.1rem;
  border: 1px solid rgba(125, 214, 255, 0.24);
  border-radius: 1.25rem;
  background: rgba(7, 17, 27, 0.72);
}

.signal-node::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(125, 214, 255, 0.85);
}

.signal-kicker {
  padding-left: 1.05rem;
  color: rgba(125, 214, 255, 0.72);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signal-label {
  padding-left: 1.05rem;
  font-family: var(--display-font);
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.signal-copy {
  margin: 0;
  padding-left: 1.05rem;
  color: rgba(245, 247, 251, 0.66);
  font-size: 0.88rem;
  line-height: 1.45;
}

.signal-node-a {
  top: 1.75rem;
  left: 1.75rem;
}

.signal-node-b {
  top: 1.75rem;
  right: 1.75rem;
}

.signal-node-c {
  bottom: 1.75rem;
  left: 1.75rem;
}

.signal-node-d {
  right: 1.75rem;
  bottom: 1.75rem;
}

.signal-beam {
  position: absolute;
  background: linear-gradient(90deg, rgba(125, 214, 255, 0), rgba(125, 214, 255, 0.72), rgba(125, 214, 255, 0));
  filter: drop-shadow(0 0 10px rgba(125, 214, 255, 0.45));
}

.signal-beam-horizontal {
  top: 50%;
  left: 16%;
  right: 16%;
  height: 1px;
}

.signal-beam-vertical {
  left: 50%;
  top: 16%;
  bottom: 16%;
  width: 1px;
  background: linear-gradient(180deg, rgba(125, 214, 255, 0), rgba(125, 214, 255, 0.72), rgba(125, 214, 255, 0));
}

.proof-strip {
  position: relative;
  margin-top: -2rem;
  z-index: 2;
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(125, 214, 255, 0.16);
  border-radius: 1.4rem;
  overflow: hidden;
}

.proof-list li {
  padding: 1.1rem 1.2rem;
  background: rgba(9, 19, 29, 0.94);
  color: rgba(245, 247, 251, 0.86);
  font-size: 0.94rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-light {
  background: transparent;
}

.editorial-intro,
.depth-grid,
.credibility,
.final-cta {
  padding: var(--section-space) 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.editorial-intro h2,
.section-heading h2,
.final-cta h2 {
  color: var(--text-dark);
  font-size: clamp(2.4rem, 4.5vw, 4.6rem);
  max-width: 12ch;
}

.intro-copy p,
.final-cta p {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  color: var(--muted-dark);
}

.section-heading {
  margin-bottom: 2.5rem;
}

.depth-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.depth-panel {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.depth-panel h3 {
  margin: 0 0 1rem;
  font-family: var(--display-font);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-dark);
}

.depth-panel p {
  margin: 0;
  color: var(--muted-dark);
}

.credibility-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.credibility-points {
  display: grid;
  gap: 1.5rem;
}

.credibility-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.credibility-index {
  font-family: var(--display-font);
  font-size: 1.4rem;
  color: rgba(8, 16, 25, 0.36);
}

.credibility-item p {
  margin: 0;
  color: var(--text-dark);
}

.final-cta {
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(107, 195, 255, 0.18), transparent 26%),
    linear-gradient(180deg, rgba(255, 250, 243, 0.3), rgba(255, 250, 243, 0.72));
  pointer-events: none;
}

.final-cta .shell {
  position: relative;
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--border);
  border-radius: 2rem;
  background: rgba(255, 250, 243, 0.82);
}

.final-cta .button-primary {
  background: var(--text-dark);
  color: var(--text-light);
}

.final-cta .button-secondary {
  background: transparent;
  border-color: rgba(8, 16, 25, 0.12);
  color: var(--text-dark);
}

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

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.motion-ready .hero-stage {
  transition-delay: var(--hero-stage-delay, 0ms);
}

.hero-stage[data-hero-stage="1"] {
  --hero-stage-delay: 0ms;
}

.hero-stage[data-hero-stage="2"] {
  --hero-stage-delay: 120ms;
}

.hero-stage[data-hero-stage="3"] {
  --hero-stage-delay: 240ms;
}

.hero-stage[data-hero-stage="4"] {
  --hero-stage-delay: 360ms;
}

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

html.motion-ready:not(.reduce-motion) {
  scroll-behavior: smooth;
}

@media (max-width: 1120px) {
  .public-header .shell {
    gap: 1.25rem;
  }

  .public-nav {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1fr);
    gap: clamp(1.4rem, 3vw, 2.4rem);
  }

  .hero {
    min-height: min(90svh, 820px);
    padding: clamp(5.6rem, 10vw, 7.2rem) 0 3.5rem;
  }

  .hero-copy {
    max-width: min(100%, 28rem);
  }

  .hero h1 {
    width: min(100%, 8.4ch);
    max-width: none;
    font-size: clamp(2.65rem, 5.7vw, 4.55rem);
  }

  .signal-surface {
    min-height: 24rem;
    padding: 1.35rem;
  }

  .signal-node {
    width: min(13rem, 44%);
  }
}

@media (max-width: 980px) {
  .hero {
    padding: 5rem 0 3rem;
  }

  .hero-grid {
    gap: 1.5rem;
  }

  .hero-copy {
    max-width: min(100%, 25.5rem);
  }

  .hero h1 {
    width: min(100%, 8ch);
    max-width: none;
    font-size: clamp(2.45rem, 5.2vw, 3.95rem);
  }

  .hero-body {
    max-width: 26rem;
    margin-top: 1rem;
  }
}

@media (max-width: 900px) {
  :root {
    --shell-width: min(100vw - 32px, 100%);
    --section-space: clamp(3.5rem, 10vw, 5rem);
  }

  .public-header {
    position: relative;
    padding: 1.25rem 0 0;
    background: linear-gradient(180deg, var(--bg-dark), var(--bg-dark-2));
  }

  .public-header .shell,
  .hero-grid,
  .intro-grid,
  .credibility-grid {
    grid-template-columns: 1fr;
  }

  .public-header .shell {
    display: grid;
    justify-content: stretch;
  }

  .hero {
    min-height: auto;
    padding: 2.5rem 0 4rem;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.8rem, 12vw, 4.4rem);
  }

  .signal-surface {
    display: grid;
    gap: 0.9rem;
    min-height: auto;
    padding: 1.25rem;
  }

  .signal-grid,
  .signal-beam {
    display: none;
  }

  .signal-node {
    position: relative;
    width: 100%;
    min-height: auto;
    padding: 1rem 1rem 1rem 2.2rem;
  }

  .signal-node-a,
  .signal-node-b,
  .signal-node-c,
  .signal-node-d {
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
  }

  .proof-list,
  .depth-columns {
    grid-template-columns: 1fr;
  }

  .proof-strip {
    margin-top: 0;
    padding-top: 1rem;
  }

  .editorial-intro h2,
  .section-heading h2,
  .final-cta h2 {
    max-width: none;
    font-size: clamp(2.1rem, 9vw, 3.2rem);
  }

  .final-cta .shell {
    padding: 1.5rem;
  }
}

@media (max-width: 760px) {
  .public-header .shell {
    display: flex;
    align-items: center;
  }

  .hero {
    padding: 1.5rem 0 3rem;
  }

  .hero-body,
  .editorial-intro p,
  .depth-panel p,
  .credibility-item p,
  .final-cta p {
    font-size: 1rem;
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .menu {
    min-width: 12.5rem;
  }

  .signal-surface {
    grid-template-columns: 1fr;
  }
}

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

  .button,
  .menu,
  .menu a,
  .navicon,
  .navicon::before,
  .navicon::after,
  .motion-ready .reveal,
  .motion-ready .hero-stage {
    transition: none;
  }

  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}