:root {
  --ink: #05080a;
  --panel: #0b1013;
  --panel-strong: #11191d;
  --line: rgba(184, 205, 204, 0.18);
  --text: #eef2ec;
  --muted: #9eb0b0;
  --amber: #ffb84a;
  --amber-deep: #bd7c22;
  --cyan: #90efff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 12%, rgba(255, 184, 74, 0.16), transparent 32rem),
    radial-gradient(circle at 20% 26%, rgba(144, 239, 255, 0.12), transparent 34rem),
    linear-gradient(135deg, #0c1115 0%, #05080a 54%, #080b0d 100%);
  font-family:
    "Avenir Next Condensed",
    "Avenir Next",
    "Helvetica Neue",
    "Hiragino Sans GB",
    sans-serif;
  letter-spacing: 0.01em;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.28));
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-140%);
  padding: 0.7rem 1rem;
  background: var(--amber);
  color: var(--ink);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  width: min(100%, 1440px);
  margin: 0 auto;
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2rem;
  width: min(var(--max), calc(100% - 32px));
  min-height: 86px;
  margin: 0 auto;
  padding: 0.8rem 0;
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: block;
  width: clamp(180px, 24vw, 310px);
}

.primary-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  background: rgba(6, 10, 12, 0.64);
}

.primary-nav a {
  padding: 0.75rem 0.95rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--ink);
  background: var(--amber);
  outline: none;
}

.menu-toggle {
  display: none;
}

.section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(4.5rem, 8vw, 8rem) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  min-height: calc(100vh - 86px);
  padding-top: 2rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1.4rem;
  font-size: clamp(4rem, 12vw, 9.4rem);
  line-height: 0.84;
  letter-spacing: -0.06em;
}

h1 span {
  display: block;
  color: var(--text);
}

h1 strong {
  display: block;
  margin-top: 0.25rem;
  color: var(--amber);
  font-size: 0.48em;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.hero-dek {
  max-width: 680px;
  margin-bottom: 2rem;
  color: #c3ccca;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 1.25rem;
  border: 1px solid var(--line);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  min-width: 158px;
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 18px 42px rgba(255, 184, 74, 0.18);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.launch-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 720px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.launch-matrix div {
  padding: 1rem;
  background: rgba(9, 14, 17, 0.86);
}

.launch-matrix dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.launch-matrix dd {
  margin: 0.35rem 0 0;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 900;
}

.hero-terminal {
  position: relative;
}

.terminal-frame {
  position: relative;
  min-height: clamp(420px, 46vw, 610px);
  padding: 1.5rem;
  border: 1px solid rgba(144, 239, 255, 0.28);
  background:
    linear-gradient(145deg, rgba(255, 184, 74, 0.1), transparent 32%),
    rgba(8, 12, 14, 0.76);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-frame::before,
.terminal-frame::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 184, 74, 0.32);
  pointer-events: none;
}

.terminal-frame::before {
  inset: 42px;
}

.terminal-frame::after {
  width: 62%;
  height: 62%;
  right: -10%;
  top: 11%;
  transform: rotate(18deg);
}

.terminal-mark {
  position: absolute;
  width: min(76%, 430px);
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 32px rgba(255, 184, 74, 0.24));
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 9px);
  mix-blend-mode: screen;
  opacity: 0.4;
}

.terminal-readout {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.5rem;
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  background: rgba(4, 7, 9, 0.72);
  border-left: 4px solid var(--amber);
}

.terminal-readout p {
  margin: 0;
  color: #b9c5c3;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading h2,
.world-copy h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.4rem, 6vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.section-heading p,
.world-copy p,
.pillar-card p,
.faq p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

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

.pillar-card,
.platform-card,
.faq details {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.18);
}

.pillar-card {
  min-height: 280px;
  padding: 1.4rem;
}

.card-index {
  display: inline-flex;
  margin-bottom: 4rem;
  color: var(--amber);
  font-weight: 900;
  letter-spacing: 0.18em;
}

.pillar-card h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 0.96;
}

.world-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  min-height: 520px;
  padding: clamp(1.2rem, 4vw, 2rem);
  border: 1px solid rgba(255, 184, 74, 0.22);
  background:
    linear-gradient(120deg, rgba(255, 184, 74, 0.1), transparent 32%),
    rgba(8, 12, 14, 0.76);
  box-shadow: var(--shadow);
}

.world-copy {
  align-self: end;
  max-width: 520px;
}

.world-map {
  position: relative;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 62% 48%, rgba(144, 239, 255, 0.2), transparent 12rem),
    linear-gradient(90deg, transparent 0 49%, rgba(255, 184, 74, 0.2) 49% 51%, transparent 51%),
    repeating-linear-gradient(135deg, rgba(255, 184, 74, 0.18) 0 1px, transparent 1px 28px);
}

.world-map span {
  position: absolute;
  border: 1px solid rgba(144, 239, 255, 0.46);
  background: rgba(5, 8, 10, 0.56);
}

.world-map span:nth-child(1) {
  left: 10%;
  top: 14%;
  width: 48%;
  height: 28%;
}

.world-map span:nth-child(2) {
  right: 8%;
  top: 22%;
  width: 34%;
  height: 48%;
}

.world-map span:nth-child(3) {
  left: 20%;
  bottom: 14%;
  width: 30%;
  height: 24%;
}

.world-map span:nth-child(4) {
  right: 24%;
  bottom: 8%;
  width: 16%;
  height: 18%;
  background: var(--amber);
}

.platform-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.platform-card {
  min-height: 178px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.platform-card:hover,
.platform-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(255, 184, 74, 0.75);
  outline: none;
}

.platform-card span {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.platform-card strong {
  font-size: 1.5rem;
  line-height: 1;
}

.featured-platform {
  color: var(--ink);
  background: var(--amber);
}

.featured-platform span {
  color: rgba(5, 8, 10, 0.72);
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq details {
  padding: 1.2rem 1.35rem;
}

.faq summary {
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 900;
}

.faq summary::marker {
  color: var(--amber);
}

.faq p {
  margin: 0.9rem 0 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 2.4rem 0 3.2rem;
  border-top: 1px solid var(--line);
}

.site-footer div {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-weight: 900;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-weight: 900;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--amber);
  outline: none;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .hero-terminal,
  .pillar-card,
  .world-panel,
  .platform-card,
  .faq details {
    animation: rise-in 720ms both;
  }

  .hero-terminal {
    animation-delay: 120ms;
  }

  .pillar-card:nth-child(2),
  .platform-card:nth-child(2) {
    animation-delay: 90ms;
  }

  .pillar-card:nth-child(3),
  .platform-card:nth-child(3) {
    animation-delay: 180ms;
  }

  @keyframes rise-in {
    from {
      opacity: 0;
      transform: translateY(22px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 0 0.85rem;
    color: var(--text);
    background: rgba(6, 10, 12, 0.78);
    border: 1px solid var(--line);
    font: inherit;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .hero,
  .world-panel {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

@media (max-width: 620px) {
  .section {
    width: min(100% - 24px, var(--max));
    padding: 4rem 0;
  }

  .site-header,
  .site-footer {
    width: min(100% - 24px, var(--max));
  }

  .brand-lockup {
    width: 190px;
  }

  h1 {
    font-size: clamp(3.1rem, 18vw, 4.8rem);
  }

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

  .button {
    width: 100%;
  }

  .launch-matrix,
  .pillar-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .terminal-frame,
  .world-map {
    min-height: 340px;
  }

  .section-heading h2,
  .world-copy h2 {
    font-size: clamp(2.2rem, 14vw, 3.8rem);
  }
}