@font-face {
  font-family: "Geist";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("./assets/fonts/geist-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("./assets/fonts/geist-mono-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #101923;
  --ink-soft: #1b2a37;
  --paper: #f5f2e9;
  --paper-deep: #e8e5dc;
  --coral: #ff6b4a;
  --mint: #64d7c8;
  --line: rgba(16, 25, 35, 0.18);
  --font-geist-sans: "Geist";
  --font-geist-mono: "Geist Mono";
}

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

html {
  background: var(--paper);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(16, 25, 35, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 25, 35, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  color: var(--ink);
  font-family: var(--font-geist-sans), "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

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

h2,
h3 {
  font-weight: inherit;
}

.skip-link {
  background: var(--ink);
  color: var(--paper);
  font: 700 12px/1 var(--font-geist-mono), monospace;
  left: 16px;
  padding: 12px 16px;
  position: fixed;
  top: 12px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
  z-index: 100;
}

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

main {
  min-height: 100vh;
  overflow: hidden;
}

.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1440px;
  padding: 28px clamp(24px, 5vw, 72px);
}

.wordmark {
  align-items: center;
  display: inline-flex;
  font-family: var(--font-geist-mono), monospace;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.13em;
  line-height: 1.25;
}

.wordmark small {
  display: block;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.16em;
  margin-top: 3px;
  opacity: 0.56;
}

.wordmark-dot {
  background: var(--coral);
  border: 3px solid var(--ink);
  border-radius: 50%;
  height: 16px;
  margin-right: 12px;
  width: 16px;
}

.header-meta {
  display: flex;
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  gap: 30px;
  letter-spacing: 0.08em;
  opacity: 0.55;
}

.hero {
  display: grid;
  gap: clamp(40px, 7vw, 100px);
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  margin: 0 auto;
  max-width: 1440px;
  min-height: 700px;
  padding: clamp(68px, 9vw, 132px) clamp(24px, 5vw, 72px) clamp(70px, 8vw, 112px);
}

.hero-copy {
  align-self: center;
  max-width: 720px;
}

.eyebrow {
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.18em;
  margin: 0 0 28px;
  text-transform: uppercase;
}

.eyebrow::before {
  background: var(--coral);
  content: "";
  display: inline-block;
  height: 8px;
  margin-right: 12px;
  width: 8px;
}

h1 {
  font-size: clamp(58px, 8.4vw, 124px);
  font-weight: 820;
  letter-spacing: -0.075em;
  line-height: 0.82;
  margin-bottom: 40px;
}

h1 span {
  color: var(--coral);
  display: block;
  font-family: var(--font-geist-mono), monospace;
  font-size: clamp(18px, 2.45vw, 36px);
  letter-spacing: 0.03em;
  line-height: 1;
  margin-top: 30px;
}

.hero-lead {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.85;
  max-width: 650px;
  opacity: 0.74;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 42px;
}

.button {
  align-items: center;
  border: 1px solid var(--ink);
  display: inline-flex;
  font-family: var(--font-geist-mono), monospace;
  font-size: 12px;
  font-weight: 700;
  justify-content: center;
  letter-spacing: 0.04em;
  min-height: 54px;
  padding: 0 24px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  box-shadow: 6px 6px 0 var(--coral);
  outline: none;
  transform: translate(-3px, -3px);
}

.button-primary {
  background: var(--ink);
  color: var(--paper);
  gap: 26px;
}

.button-primary span {
  color: var(--mint);
  font-size: 17px;
}

.button-secondary {
  background: rgba(245, 242, 233, 0.7);
}

.flight-panel {
  align-self: center;
  background: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 18px 18px 0 rgba(16, 25, 35, 0.1);
  color: var(--paper);
  min-height: min(560px, 62vw);
  padding: clamp(28px, 4vw, 52px);
  position: relative;
}

.radar {
  aspect-ratio: 1;
  background:
    linear-gradient(90deg, transparent 49.75%, rgba(100, 215, 200, 0.17) 50%, transparent 50.25%),
    linear-gradient(transparent 49.75%, rgba(100, 215, 200, 0.17) 50%, transparent 50.25%),
    radial-gradient(circle at center, rgba(100, 215, 200, 0.08), transparent 68%);
  border: 1px solid rgba(245, 242, 233, 0.15);
  border-radius: 50%;
  left: 50%;
  max-width: 430px;
  overflow: hidden;
  position: absolute;
  top: 48%;
  transform: translate(-50%, -50%);
  width: 72%;
}

.radar::after {
  background: conic-gradient(from 180deg, transparent 0 76%, rgba(100, 215, 200, 0.24) 96%, transparent 100%);
  border-radius: 50%;
  content: "";
  inset: 0;
  position: absolute;
}

.radar-ring {
  border: 1px solid rgba(245, 242, 233, 0.13);
  border-radius: 50%;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.radar-ring-one {
  height: 68%;
  width: 68%;
}

.radar-ring-two {
  height: 35%;
  width: 35%;
}

.plane-mark {
  color: var(--coral);
  filter: drop-shadow(0 0 12px rgba(255, 107, 74, 0.5));
  font-size: 32px;
  left: 50%;
  position: absolute;
  top: 61%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.flight-path {
  border-left: 1px dashed rgba(255, 107, 74, 0.62);
  height: 44%;
  left: 50%;
  position: absolute;
  top: 17%;
}

.target {
  border: 2px solid var(--mint);
  border-radius: 50%;
  height: 10px;
  position: absolute;
  width: 10px;
  z-index: 2;
}

.target::after {
  border: 1px solid rgba(100, 215, 200, 0.55);
  border-radius: 50%;
  content: "";
  inset: -7px;
  position: absolute;
}

.target-one {
  left: 29%;
  top: 34%;
}

.target-two {
  right: 23%;
  top: 25%;
}

.panel-caption {
  bottom: 24px;
  display: flex;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  justify-content: space-between;
  left: clamp(28px, 4vw, 52px);
  letter-spacing: 0.08em;
  opacity: 0.48;
  position: absolute;
  right: clamp(28px, 4vw, 52px);
}

.build-strip {
  background: var(--coral);
  border-bottom: 1px solid var(--ink);
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.build-fact {
  border-right: 1px solid rgba(16, 25, 35, 0.4);
  padding: 26px clamp(20px, 4vw, 56px);
}

.build-fact:last-child {
  border-right: 0;
}

.build-fact span,
.build-fact strong {
  display: block;
  font-family: var(--font-geist-mono), monospace;
}

.build-fact span {
  font-size: 9px;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
  opacity: 0.62;
}

.build-fact strong {
  font-size: clamp(16px, 2vw, 24px);
}

.project-section,
.release-section,
.launch-section,
footer {
  margin: 0 auto;
  max-width: 1440px;
  padding-left: clamp(24px, 5vw, 72px);
  padding-right: clamp(24px, 5vw, 72px);
}

.project-section {
  padding-bottom: clamp(86px, 10vw, 150px);
  padding-top: clamp(90px, 12vw, 172px);
}

.section-heading {
  display: grid;
  gap: 30px;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.section-heading h2,
.release-section h2,
.launch-section h2 {
  font-size: clamp(38px, 5.6vw, 78px);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin-bottom: 0;
}

.section-heading > p:last-child {
  align-self: end;
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 520px;
  opacity: 0.68;
}

.notes-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
}

.note-card {
  border: 1px solid var(--line);
  min-height: 310px;
  padding: clamp(26px, 3vw, 42px);
}

.note-card + .note-card {
  border-left: 0;
}

.note-index {
  color: var(--coral);
  display: block;
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-bottom: 74px;
}

.note-card h3 {
  font-size: 24px;
  letter-spacing: -0.035em;
  margin-bottom: 18px;
}

.note-card p {
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 0;
  opacity: 0.66;
}

.release-section {
  background: var(--ink);
  color: var(--paper);
  display: grid;
  gap: 70px;
  grid-template-columns: 0.72fr 1.28fr;
  padding-bottom: clamp(80px, 9vw, 132px);
  padding-top: clamp(80px, 9vw, 132px);
}

.release-section .eyebrow::before {
  background: var(--mint);
}

.release-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.release-section li {
  border-top: 1px solid rgba(245, 242, 233, 0.19);
  font-size: 15px;
  line-height: 1.7;
  padding: 22px 0 22px 118px;
  position: relative;
}

.release-section li:last-child {
  border-bottom: 1px solid rgba(245, 242, 233, 0.19);
}

.release-section li span {
  color: var(--mint);
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  left: 0;
  letter-spacing: 0.12em;
  position: absolute;
  top: 27px;
}

.launch-section {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 430px;
  padding-bottom: 70px;
  padding-top: 70px;
}

.launch-section h2 {
  color: var(--coral);
}

.launch-section p:last-child {
  line-height: 1.7;
  margin-bottom: 0;
  opacity: 0.64;
}

.launch-link {
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  display: flex;
  flex: 0 0 auto;
  height: clamp(160px, 19vw, 250px);
  justify-content: center;
  position: relative;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
  width: clamp(160px, 19vw, 250px);
}

.launch-link:hover,
.launch-link:focus-visible {
  background: var(--coral);
  color: var(--ink);
  outline: none;
  transform: rotate(-5deg);
}

.launch-link span {
  font-family: var(--font-geist-mono), monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.launch-link strong {
  font-size: 34px;
  position: absolute;
  right: 26px;
  top: 19px;
}

footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  gap: 14px 28px;
  justify-content: space-between;
  letter-spacing: 0.1em;
  opacity: 0.58;
  padding-bottom: 30px;
  padding-top: 30px;
}

footer a:hover,
footer a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .flight-panel {
    min-height: 520px;
  }

  .notes-grid {
    grid-template-columns: 1fr;
  }

  .note-card + .note-card {
    border-left: 1px solid var(--line);
    border-top: 0;
  }

  .note-card {
    min-height: 250px;
  }

  .note-index {
    margin-bottom: 42px;
  }

  .release-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-bottom: 20px;
    padding-top: 20px;
  }

  .header-meta span:first-child {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-bottom: 74px;
    padding-top: 74px;
  }

  h1 {
    font-size: clamp(52px, 17vw, 82px);
  }

  h1 span {
    font-size: 16px;
    margin-top: 24px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .flight-panel {
    min-height: 390px;
  }

  .radar {
    width: 78%;
  }

  .panel-caption span:last-child {
    display: none;
  }

  .build-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .build-fact:nth-child(2) {
    border-right: 0;
  }

  .build-fact:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(16, 25, 35, 0.4);
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .section-heading .eyebrow {
    grid-column: auto;
  }

  .release-section li {
    padding-left: 0;
    padding-top: 52px;
  }

  .release-section li span {
    top: 24px;
  }

  .launch-section {
    align-items: flex-start;
    flex-direction: column;
    gap: 56px;
  }

  .launch-link {
    align-self: flex-end;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}