:root {
  --ink: #0d1b17;
  --muted: #50645d;
  --green-900: #073b2b;
  --green-800: #0d6b44;
  --green-600: #10a66a;
  --green-400: #6ee7a8;
  --mint: #ddf8e8;
  --lime: #c9f24a;
  --teal: #1ab6a6;
  --paper: #f6fbf7;
  --line: rgba(13, 107, 68, 0.16);
  --shadow: 0 24px 80px rgba(7, 59, 43, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", Arial, sans-serif;
  background: var(--paper);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 20;
  display: flex;
  width: min(1160px, calc(100% - 32px));
  height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 12px 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  background: rgba(7, 59, 43, 0.76);
  color: #ffffff;
  transform: translateX(-50%);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 54px rgba(3, 26, 20, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--lime), var(--teal));
  color: var(--green-900);
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
}

.brand-mark::before {
  width: 17px;
  height: 17px;
  border: 3px solid var(--green-900);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px rgba(7, 59, 43, 0.18);
}

.brand-mark::after {
  width: 24px;
  height: 8px;
  border-top: 3px solid var(--green-900);
  border-bottom: 3px solid var(--green-900);
  transform: rotate(-35deg);
  opacity: 0.88;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover,
.footer a:hover {
  color: var(--lime);
}

.header-cta {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--lime);
  color: var(--green-900);
  font-size: 14px;
  font-weight: 800;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.menu-button span {
  display: block;
  width: 19px;
  height: 2px;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 94vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 132px max(24px, calc((100vw - 1160px) / 2)) 96px;
  background:
    radial-gradient(circle at 75% 20%, rgba(201, 242, 74, 0.28), transparent 28%),
    linear-gradient(135deg, #04291f 0%, #08533a 45%, #0aa064 100%);
  color: #ffffff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(180deg, transparent, rgba(246, 251, 247, 0.96));
  pointer-events: none;
}

.hero-canvas,
.hero-noise {
  position: absolute;
  inset: 0;
}

.hero-canvas {
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0.68;
}

.hero-noise {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, #000 20%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(780px, 100%);
}

.eyebrow,
.section-kicker,
.panel-label {
  color: var(--lime);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 14px 0 22px;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 690px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.button.primary {
  background: var(--lime);
  color: var(--green-900);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.hero-panel {
  position: absolute;
  right: max(24px, calc((100vw - 1160px) / 2));
  bottom: 88px;
  z-index: 2;
  width: min(420px, calc(100% - 48px));
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(3, 35, 26, 0.62);
  backdrop-filter: blur(20px);
}

.hero-panel strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 18px;
}

.signal-row span {
  min-width: 0;
  padding: 9px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  text-align: center;
  overflow-wrap: anywhere;
}

.intro-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(1040px, calc(100% - 32px));
  margin: -42px auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.intro-strip div {
  min-height: 112px;
  padding: 24px;
  background: #ffffff;
}

.intro-strip strong {
  display: block;
  color: var(--green-800);
  font-size: 34px;
  line-height: 1;
}

.intro-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 600;
}

.section {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 104px 0 0;
}

.two-column {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 76px;
}

.section h2 {
  max-width: 820px;
  margin: 0;
  color: var(--green-900);
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.section .section-kicker {
  color: var(--green-600);
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-card {
  min-height: 300px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 40px rgba(7, 59, 43, 0.07);
}

.feature-card svg {
  width: 34px;
  height: 34px;
  color: var(--green-600);
}

.feature-card h3,
.timeline h3 {
  margin: 24px 0 10px;
  color: var(--green-900);
  font-size: 22px;
}

.feature-card p,
.timeline p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.program {
  width: 100%;
  max-width: none;
  padding: 104px max(16px, calc((100vw - 1160px) / 2)) 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.timeline article {
  min-height: 260px;
  padding: 30px 28px;
  border-right: 1px solid var(--line);
}

.timeline article:last-child {
  border-right: 0;
}

.timeline span {
  color: var(--green-600);
  font-size: 14px;
  font-weight: 800;
}

.lab-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.lab-visual {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border-radius: 8px;
  background:
    radial-gradient(circle at 30% 30%, rgba(201, 242, 74, 0.35), transparent 30%),
    linear-gradient(135deg, #052f25, #0c6e47);
}

.orbital {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
}

.orbital-one {
  width: 460px;
  height: 460px;
  top: -80px;
  left: -60px;
}

.orbital-two {
  width: 310px;
  height: 310px;
  right: -70px;
  bottom: -40px;
}

.terminal-window {
  position: absolute;
  right: 34px;
  bottom: 34px;
  width: min(380px, calc(100% - 68px));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(2, 25, 19, 0.72);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(16px);
}

.terminal-bar {
  display: flex;
  gap: 7px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
}

.terminal-window pre {
  margin: 0;
  padding: 20px;
  color: #dfffea;
  font: 600 14px/1.8 Consolas, monospace;
  white-space: pre-wrap;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
  font-weight: 700;
}

.check-list svg {
  flex: 0 0 auto;
  width: 20px;
  color: var(--green-600);
}

.join-section {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 56px;
  align-items: start;
}

.join-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.join-form label {
  display: grid;
  gap: 8px;
  color: var(--green-900);
  font-weight: 800;
}

.join-form input,
.join-form select,
.join-form textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid rgba(13, 107, 68, 0.18);
  border-radius: 8px;
  padding: 0 14px;
  background: #fafdFA;
  color: var(--ink);
  outline: none;
}

.join-form textarea {
  min-height: 112px;
  padding-top: 13px;
  resize: vertical;
}

.join-form input:focus,
.join-form select:focus,
.join-form textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 4px rgba(16, 166, 106, 0.12);
}

.join-form .button {
  width: 100%;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 24px;
  color: var(--green-900);
  font-size: 18px;
  font-weight: 800;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 22px;
  font-size: 16px;
}

.footer {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.6fr;
  gap: 48px;
  margin-top: 104px;
  padding: 52px max(16px, calc((100vw - 1160px) / 2));
  background: var(--green-900);
  color: #ffffff;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.72);
}

.footer h2 {
  margin: 0 0 14px;
  font-size: 16px;
}

.footer a {
  display: block;
  margin-top: 10px;
}

@media (max-width: 920px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }

  .nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .site-header.is-open {
    height: auto;
    min-height: 64px;
    flex-wrap: wrap;
    padding-bottom: 12px;
  }

  .site-header.is-open .nav {
    order: 3;
    display: grid;
    width: 100%;
    gap: 10px;
    padding: 8px 0 4px;
  }

  .hero {
    min-height: 860px;
    align-items: start;
    padding-top: 132px;
  }

  .hero-panel {
    right: 16px;
    bottom: 42px;
    left: 16px;
    width: auto;
  }

  .intro-strip,
  .cards-grid,
  .timeline,
  .lab-section,
  .join-section,
  .footer,
  .two-column {
    grid-template-columns: 1fr;
  }

  .timeline article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section,
  .program {
    padding-top: 76px;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    font-size: 48px;
  }

  .hero-copy,
  .section p {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

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

  .intro-strip div,
  .feature-card,
  .join-form {
    padding: 22px;
  }
}