:root {
  color-scheme: light;
  --ink: #182326;
  --ink-soft: #4f6267;
  --surface: #ffffff;
  --surface-alt: #f5f8f4;
  --line: #dce6df;
  --leaf: #2f7d47;
  --moss: #76a946;
  --sky: #1f91bd;
  --amber: #f3a51d;
  --violet: #594b9b;
  --night: #10191d;
  --shadow: 0 18px 52px rgba(21, 36, 38, 0.14);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 10;
  color: #fff;
}

.site-header.inner-page {
  position: sticky;
  background: rgba(16, 25, 29, 0.96);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  width: min(var(--max), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.12)),
    linear-gradient(135deg, var(--leaf), var(--sky) 52%, var(--amber));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.48);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: rgba(16, 25, 29, 0.34);
}

.brand-mark::before {
  width: 6px;
  height: 28px;
  left: 15px;
  top: 4px;
}

.brand-mark::after {
  width: 28px;
  height: 6px;
  left: 4px;
  top: 15px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
  opacity: 0.9;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button.primary {
  background: var(--amber);
  color: #201509;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.58);
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.button.dark {
  background: var(--night);
  color: #fff;
}

.hero {
  min-height: min(820px, 88vh);
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--night);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 22, 23, 0.94) 0%, rgba(12, 22, 23, 0.68) 34%, rgba(12, 22, 23, 0.12) 70%),
    linear-gradient(180deg, rgba(12, 22, 23, 0.34) 0%, rgba(12, 22, 23, 0.08) 48%, rgba(12, 22, 23, 0.56) 100%),
    url("blockiverse-hero.jpg") center / cover no-repeat;
}

.hero-content {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  padding-top: 72px;
}

.hero-copy {
  max-width: 650px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(3.25rem, 8vw, 7.8rem);
  max-width: 9ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 4.4rem);
}

h3 {
  font-size: 1.16rem;
}

p {
  margin: 0;
}

.lead {
  margin-top: 1.3rem;
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.status-strip {
  background: var(--night);
  color: #fff;
}

.strip-grid {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 1rem 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
}

.strip-item {
  min-height: 88px;
  background: var(--night);
  padding: 1rem;
}

.strip-item strong {
  display: block;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #aee6be;
}

.strip-item span {
  display: block;
  margin-top: 0.2rem;
  color: rgba(255, 255, 255, 0.78);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section.alt {
  background: var(--surface-alt);
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-head {
  max-width: 780px;
}

.section-head p {
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.feature-grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: var(--surface);
}

.feature svg {
  width: 28px;
  height: 28px;
  color: var(--leaf);
  margin-bottom: 1rem;
}

.feature p {
  margin-top: 0.55rem;
  color: var(--ink-soft);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.framed-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(16, 25, 29, 0.12);
  background: #dfe8e2;
}

.fact-list {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.fact-list li {
  padding-left: 1.6rem;
  position: relative;
  color: var(--ink-soft);
}

.fact-list li::before {
  content: "";
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 3px;
  background: var(--amber);
  position: absolute;
  left: 0;
  top: 0.48rem;
}

.callout {
  border-radius: var(--radius);
  background: var(--night);
  color: #fff;
  padding: clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
}

.callout p {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.74);
}

.page-main {
  background: var(--surface);
}

.page-hero {
  background: linear-gradient(135deg, #102025 0%, #173b36 44%, #314f27 100%);
  color: #fff;
  padding: clamp(4.2rem, 10vw, 7rem) 0;
}

.page-hero h1 {
  font-size: clamp(2.8rem, 7vw, 6.2rem);
  max-width: 11ch;
}

.page-hero p {
  margin-top: 1rem;
  max-width: 44rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.14rem;
}

.content {
  max-width: 860px;
}

.content h2 {
  margin-top: 2.5rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.content h3 {
  margin-top: 1.6rem;
}

.content p,
.content li {
  color: var(--ink-soft);
}

.content p {
  margin-top: 0.8rem;
}

.content ul {
  margin: 0.8rem 0 0;
  padding-left: 1.2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.6rem;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
  overflow-wrap: anywhere;
}

.contact-card strong {
  display: block;
}

.contact-card a {
  color: var(--leaf);
  font-weight: 800;
}

.site-footer {
  background: var(--night);
  color: rgba(255, 255, 255, 0.72);
  padding: 2rem 0;
}

.footer-grid {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.24rem;
}

@media (max-width: 860px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 0;
  }

  .nav-links {
    width: 100%;
    gap: 0.85rem;
    overflow-x: auto;
    padding-bottom: 0.1rem;
  }

  .hero {
    min-height: 86vh;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(12, 22, 23, 0.88) 0%, rgba(12, 22, 23, 0.54) 52%, rgba(12, 22, 23, 0.68) 100%),
      url("blockiverse-hero.jpg") 60% center / cover no-repeat;
  }

  .hero-content {
    padding-top: 116px;
  }

  .strip-grid,
  .feature-grid,
  .split,
  .callout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .callout {
    align-items: start;
  }
}

@media (max-width: 560px) {
  .nav-wrap,
  .wrap,
  .hero-content,
  .strip-grid,
  .footer-grid {
    width: min(100% - 28px, var(--max));
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.6rem);
  }
}