:root {
  --bg: #09131d;
  --bg-elevated: rgba(10, 19, 29, 0.78);
  --ink: #f5ede1;
  --muted: #b8b0a5;
  --line: rgba(245, 237, 225, 0.12);
  --accent: #ff8247;
  --accent-soft: #ffb287;
  --sea: #8dd1c2;
  --shadow: rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(141, 209, 194, 0.16), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(255, 130, 71, 0.22), transparent 26%),
    linear-gradient(180deg, #09131d 0%, #0d1824 42%, #09131d 100%);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
}

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

.page-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 72px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  backdrop-filter: blur(18px);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 8px -20px;
  border: 1px solid transparent;
  border-radius: 999px;
  pointer-events: none;
  transition: border-color 200ms ease, background 200ms ease;
}

.site-header.is-scrolled::after {
  border-color: var(--line);
  background: rgba(9, 19, 29, 0.46);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  z-index: 1;
}

.brand span {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand small {
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  z-index: 1;
}

.site-nav a:not(.button) {
  color: var(--muted);
  transition: color 180ms ease;
}

.site-nav a:not(.button):hover,
.text-link:hover,
.footer-note a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100svh - 88px);
  padding: 24px 0 72px;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.serif {
  display: block;
  color: var(--sea);
  font-family: "Instrument Serif", serif;
  font-style: italic;
  letter-spacing: 0;
}

.lead {
  max-width: 560px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button,
.text-link {
  transition:
    transform 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 130, 71, 0.48);
  background: linear-gradient(120deg, rgba(255, 130, 71, 0.95), rgba(255, 178, 135, 0.92));
  color: #131313;
  font-weight: 700;
  box-shadow: 0 14px 40px rgba(255, 130, 71, 0.18);
}

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

.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--ink);
  box-shadow: none;
}

.text-link {
  color: var(--ink);
  font-weight: 500;
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.signal-field {
  position: relative;
  width: min(560px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background:
    radial-gradient(circle at center, rgba(141, 209, 194, 0.18), transparent 44%),
    radial-gradient(circle at center, rgba(255, 130, 71, 0.08), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  overflow: visible;
}

.signal-field__glow,
.orbit,
.beam,
.pulse,
.lead-dot {
  position: absolute;
  inset: 0;
  margin: auto;
}

.signal-field__glow {
  width: 78%;
  height: 78%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(141, 209, 194, 0.22), transparent 70%);
  filter: blur(22px);
}

.orbit {
  border: 1px solid rgba(245, 237, 225, 0.12);
  border-radius: 50%;
}

.orbit--outer {
  width: 100%;
  height: 100%;
}

.orbit--mid {
  width: 72%;
  height: 72%;
}

.orbit--inner {
  width: 42%;
  height: 42%;
}

.beam {
  width: 52%;
  height: 52%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(255, 130, 71, 0.72) 28deg, transparent 72deg);
  transform-origin: center;
  animation: sweep 10s linear infinite;
  filter: blur(10px);
}

.pulse {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sea);
  box-shadow: 0 0 0 10px rgba(141, 209, 194, 0.08);
}

.pulse--one {
  top: 22%;
  left: 64%;
  animation: pulse 2.6s ease-in-out infinite;
}

.pulse--two {
  top: 70%;
  left: 31%;
  animation: pulse 3.1s ease-in-out infinite;
}

.lead-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: 0 0 24px rgba(255, 178, 135, 0.4);
}

.lead-dot--a {
  top: 18%;
  left: 47%;
}

.lead-dot--b {
  top: 37%;
  left: 16%;
}

.lead-dot--c {
  top: 63%;
  left: 75%;
}

.lead-dot--d {
  top: 78%;
  left: 45%;
}

.signal-tag {
  position: absolute;
  padding: 14px 16px;
  max-width: 180px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(9, 19, 29, 0.82);
  color: var(--ink);
  line-height: 1.4;
  box-shadow: 0 22px 60px var(--shadow);
}

.signal-tag--top {
  top: 8%;
  right: -4%;
}

.signal-tag--left {
  left: -10%;
  bottom: 24%;
}

.signal-tag--right {
  right: -6%;
  bottom: 10%;
}

section {
  padding: 72px 0;
}

.split-section,
.pricing {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.section-label h2,
.section-heading h2,
.pricing-copy h2,
.final-cta h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.section-body p,
.pricing-copy p,
.final-cta p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.74;
}

.ruled-list {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.ruled-list > div,
.stack-rows > div {
  display: grid;
  grid-template-columns: minmax(160px, 0.65fr) minmax(0, 1fr) auto;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.ruled-list span,
.stack-rows span,
.process-grid span {
  color: var(--accent-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.ruled-list p,
.stack-rows p,
.process-grid p,
.pricing-band p {
  margin: 0;
  color: var(--ink);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
  margin-top: 34px;
}

.process-grid article {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.process-grid h3 {
  margin: 14px 0 12px;
  font-size: 1.2rem;
}

.stack-rows strong {
  color: var(--sea);
  font-size: 1.05rem;
}

.pricing-band {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-content: start;
  padding-top: 16px;
}

.pricing-band p {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.final-cta {
  padding-bottom: 32px;
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

@keyframes sweep {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.78;
  }
  50% {
    transform: scale(1.35);
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .site-header,
  .site-nav,
  .hero,
  .split-section,
  .pricing,
  .process-grid,
  .ruled-list > div,
  .stack-rows > div {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 8px;
  }

  .site-nav {
    gap: 14px;
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
    padding-top: 32px;
  }

  .hero-visual {
    order: -1;
  }

  .signal-field {
    width: min(480px, 100%);
  }

  .signal-tag--top,
  .signal-tag--left,
  .signal-tag--right {
    position: absolute;
    max-width: 160px;
  }

  .signal-tag--left {
    left: 0;
  }

  .signal-tag--right {
    right: 0;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1240px);
  }

  .site-nav a:not(.button) {
    display: none;
  }

  .button {
    width: 100%;
  }

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

  .signal-tag {
    padding: 10px 12px;
    font-size: 0.84rem;
  }

  section {
    padding: 56px 0;
  }
}