:root {
  color-scheme: dark;
  --bg: #050b12;
  --bg-deep: #020608;
  --ink: #effff9;
  --muted: rgb(212 231 224 / 68%);
  --muted-strong: rgb(232 249 243 / 84%);
  --mint: #7cf7c3;
  --mint-strong: #a4ffd9;
  --mint-soft: rgb(124 247 195 / 14%);
  --line: rgb(192 255 232 / 16%);
  --line-strong: rgb(164 255 217 / 38%);
  --panel: rgb(7 18 22 / 78%);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 0%, rgb(35 91 98 / 26%), transparent 34rem),
    linear-gradient(180deg, #06111b 0%, var(--bg-deep) 54%, #030706 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgb(124 247 195 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(124 247 195 / 4%) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgb(0 0 0 / 78%), rgb(0 0 0 / 18%) 70%, transparent);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(115deg, transparent 0 45%, rgb(124 247 195 / 6%) 50%, transparent 56%),
    linear-gradient(180deg, transparent, rgb(124 247 195 / 4%), transparent);
  opacity: 0.72;
}

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

main {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  min-height: 92svh;
  place-items: center;
  padding: 48px 24px;
}

.hero-shell {
  display: grid;
  width: min(100%, var(--max));
  gap: 26px;
  justify-items: center;
  text-align: center;
}

.brand-mark {
  display: inline-grid;
  gap: 14px;
  justify-items: center;
}

.logo-ring {
  position: relative;
  display: grid;
  width: 100px;
  height: 100px;
  place-items: center;
}

.logo-ring::before,
.logo-ring::after {
  position: absolute;
  inset: 0;
  content: "";
  border: 1px solid rgb(124 247 195 / 30%);
  border-radius: 50%;
}

.logo-ring::after {
  inset: 11px;
  border-color: rgb(124 247 195 / 20%);
}

.logo-ring img {
  position: relative;
  width: 76px;
  height: 76px;
  filter: drop-shadow(0 0 22px rgb(124 247 195 / 22%));
}

.brand-name {
  color: var(--muted-strong);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 700;
}

.hero-copy {
  display: grid;
  gap: 14px;
  justify-items: center;
}

.eyebrow {
  margin: 0;
  color: rgb(164 255 217 / 72%);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 980px;
  color: #f4fffb;
  font-size: clamp(48px, 8vw, 112px);
  font-weight: 760;
  line-height: 0.94;
}

h2 {
  max-width: 820px;
  color: #f4fffb;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.02;
}

.subline {
  max-width: 760px;
  color: var(--muted-strong);
  font-size: clamp(19px, 2.2vw, 28px);
  line-height: 1.2;
}

.quiet-line,
.text-panel p,
.cta-section p,
article p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

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

.primary-link,
.secondary-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 760;
}

.primary-link {
  color: #02100b;
  background: var(--mint);
  border: 1px solid rgb(164 255 217 / 68%);
}

.secondary-link {
  color: var(--muted-strong);
  background: rgb(255 255 255 / 4%);
  border: 1px solid var(--line);
}

.principles-section,
.split-section,
.cta-section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.principles-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.principle,
article,
.text-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgb(0 0 0 / 24%);
}

.principle {
  display: flex;
  min-height: 92px;
  align-items: center;
  gap: 12px;
  padding: 18px;
}

.principle span,
article span {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 24px rgb(124 247 195 / 42%);
}

.split-section {
  display: grid;
  gap: 28px;
}

.section-heading {
  display: grid;
  gap: 12px;
}

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

article {
  display: grid;
  gap: 14px;
  padding: 24px;
}

article strong {
  font-size: 20px;
}

.cta-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
}

.content-page {
  display: grid;
  width: min(100% - 40px, 980px);
  margin: 0 auto;
  padding: 72px 0 96px;
  gap: 18px;
}

.back-link {
  display: inline-flex;
  width: max-content;
  margin-bottom: 16px;
  color: var(--mint);
  font-weight: 700;
}

.content-page h1 {
  max-width: 900px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.04;
}

.content-page .subline {
  max-width: 820px;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.38;
}

.content-page .eyebrow {
  margin-top: 10px;
}

.text-panel {
  display: grid;
  gap: 16px;
  margin-top: 26px;
  padding: 32px;
}

.text-panel h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.14;
}

.text-panel h2:not(:first-child) {
  margin-top: 18px;
}

code {
  color: var(--mint-strong);
}

.inline-link {
  margin-top: 8px;
}

@media (max-width: 760px) {
  .principles-section,
  .panel-grid,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .cta-section .primary-link,
  .cta-section .secondary-link {
    justify-self: start;
  }

  .content-page {
    padding: 48px 0 72px;
  }

  .text-panel {
    padding: 24px;
  }
}
