:root {
  --bg: #060707;
  --bg-soft: #0d1110;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(108, 255, 178, 0.24);
  --text: #edf2ee;
  --muted: #a7b1ab;
  --muted-soft: #c8d0cb;
  --green: #6cffb2;
  --green-deep: #38d98b;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(108, 255, 178, 0.08), transparent 28%),
    radial-gradient(circle at right center, rgba(108, 255, 178, 0.05), transparent 22%),
    linear-gradient(180deg, #050606 0%, #080b0a 100%);
  color: var(--text);
  line-height: 1.65;
}

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

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

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.narrow {
  width: min(860px, calc(100% - 2rem));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(5, 7, 6, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green), #b8ffd8);
  box-shadow: 0 0 20px rgba(108, 255, 178, 0.45);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted-soft);
  font-size: 0.96rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.announcement {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: linear-gradient(180deg, rgba(108, 255, 178, 0.08), rgba(108, 255, 178, 0.02));
}

.announcement p {
  margin: 0;
  padding: 1rem 0;
  color: var(--muted-soft);
  font-size: 0.96rem;
}

.hero {
  padding: 6rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr;
  gap: 2rem;
  align-items: stretch;
}

.eyebrow,
.section-kicker,
.panel-label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
}

.hero h1 {
  margin: 0.85rem 0 1.2rem;
  font-size: clamp(2.5rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  max-width: 12ch;
}

.hero-lead {
  font-size: 1.16rem;
  color: var(--muted-soft);
  margin-bottom: 1rem;
  max-width: 64ch;
}

.hero-sub {
  font-size: 1.02rem;
  color: var(--muted);
  max-width: 66ch;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.16s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--green), #afffd1);
  color: #04100a;
  box-shadow: 0 10px 30px rgba(108, 255, 178, 0.24);
}

.btn-secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.hero-panel {
  display: flex;
}

.panel-card,
.panel,
.info-card,
.step-card,
.impact-item,
.principle,
.cta-card,
.quote-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-card {
  width: 100%;
  padding: 1.5rem;
  background:
    linear-gradient(180deg, rgba(108, 255, 178, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.03);
  border-color: var(--border-strong);
}

.panel-card h2 {
  margin: 0.8rem 0 0.9rem;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.panel-card p,
.panel-card li {
  color: var(--muted-soft);
}

.panel-card ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.section {
  padding: 5rem 0;
}

.section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.section-head {
  margin-bottom: 2rem;
}

.section-head.center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-head h2 {
  margin: 0.65rem 0 0.8rem;
  font-size: clamp(2rem, 3vw, 3.15rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.section-head p {
  color: var(--muted);
  margin: 0;
}

.card-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 2rem;
}

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

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card {
  padding: 1.5rem;
}

.info-card h3,
.step-card h3,
.impact-item h3,
.principle h3,
.panel h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.info-card p,
.step-card p,
.impact-item p,
.principle p,
.panel p,
.quote-box p {
  margin: 0;
  color: var(--muted);
}

.quote-box {
  margin-top: 1.5rem;
  padding: 1.4rem 1.5rem;
  border-left: 3px solid var(--green);
  background: rgba(108, 255, 178, 0.06);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.step-card {
  padding: 1.5rem;
}

.step-number {
  display: inline-flex;
  margin-bottom: 1rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.03em;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.panel {
  padding: 1.5rem;
}

.warning {
  border-color: rgba(255, 123, 123, 0.18);
  background: rgba(255, 255, 255, 0.03);
}

.clean-list {
  margin: 0;
  padding-left: 1.15rem;
}

.clean-list li {
  margin-bottom: 0.65rem;
  color: var(--muted-soft);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.impact-item {
  padding: 1.4rem;
}

.principles {
  display: grid;
  gap: 1rem;
}

.principle {
  padding: 1.3rem 1.4rem;
}

.cta-section {
  padding-top: 2rem;
  padding-bottom: 6rem;
}

.cta-card {
  display: grid;
  grid-template-columns: 1.2fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(108, 255, 178, 0.12), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
}

.cta-card h2 {
  margin: 0.6rem 0 0.8rem;
  font-size: clamp(1.6rem, 2.4vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.cta-card p {
  margin: 0;
  color: var(--muted-soft);
}

.footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.18);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 1.5rem;
}

.footer h3,
.footer h4 {
  margin-top: 0;
  margin-bottom: 0.65rem;
}

.footer p,
.footer li,
.footer a {
  color: var(--muted);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li + li {
  margin-top: 0.5rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .card-grid.three,
  .steps-grid,
  .split-grid,
  .footer-grid,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .card-grid.two,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(100% - 1.2rem, var(--max));
  }

  .topbar-inner {
    min-height: 70px;
  }

  .hero,
  .section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .panel-card,
  .panel,
  .info-card,
  .step-card,
  .impact-item,
  .principle,
  .cta-card {
    padding: 1.2rem;
  }

  .btn {
    width: 100%;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }
}.section-kicker {
  opacity: 0.85;
}

.info-card {
  transition: transform 0.2s ease, border 0.2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}