:root {
  --ink: #0d1f1a;
  --forest: #14362c;
  --leaf: #1f6b4f;
  --mint: #8fd6b5;
  --sand: #f3e7d3;
  --amber: #e0a045;
  --cream: #f7f1e6;
  --line: rgba(243, 231, 211, 0.18);
  --shadow: 0 24px 60px rgba(8, 20, 16, 0.35);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Onest", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--sand);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(224, 160, 69, 0.22), transparent 55%),
    radial-gradient(900px 600px at -10% 20%, rgba(143, 214, 181, 0.16), transparent 50%),
    linear-gradient(165deg, #071410 0%, var(--ink) 40%, #102820 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.07;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.top, main, .footer { position: relative; z-index: 1; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 4vw;
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(7, 20, 16, 0.55);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--amber); }

.nav {
  display: flex;
  gap: 1.4rem;
}
.nav a {
  color: rgba(243, 231, 211, 0.78);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.nav a:hover { color: var(--mint); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--amber), #f0c06a);
  color: #1a1205;
  font-weight: 700;
  text-decoration: none;
  border: none;
  box-shadow: 0 10px 30px rgba(224, 160, 69, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(224, 160, 69, 0.38);
}
.btn-sm { padding: 0.55rem 1rem; font-size: 0.9rem; }
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(243, 231, 211, 0.35);
  box-shadow: none;
}

.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
  padding: 4vh 4vw 8vh;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--mint);
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  margin: 0 0 1.2rem;
  letter-spacing: -0.04em;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s ease forwards 0.1s;
}
.hero h1 span { color: var(--amber); }

.lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.55;
  max-width: 34rem;
  color: rgba(243, 231, 211, 0.88);
  margin: 0 0 2rem;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s ease forwards 0.25s;
}
.lead strong { color: var(--cream); font-weight: 600; }

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s ease forwards 0.4s;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 420px;
  opacity: 0;
  animation: fade 1.1s ease forwards 0.35s;
}

.orbit {
  position: relative;
  width: min(420px, 80vw);
  height: min(420px, 80vw);
}

.ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(143, 214, 181, 0.22);
  border-radius: 50%;
  animation: spin 28s linear infinite;
}
.ring-2 {
  inset: 12%;
  border-style: dashed;
  animation-direction: reverse;
  animation-duration: 36s;
}

.core {
  position: absolute;
  inset: 32%;
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(31, 107, 79, 0.95), rgba(13, 31, 26, 0.92));
  border: 1px solid rgba(143, 214, 181, 0.35);
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: var(--shadow);
}
.core span {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
}
.core b {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: 0.35rem;
}

.panel {
  position: absolute;
  min-width: 128px;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  background: rgba(20, 54, 44, 0.82);
  border: 1px solid rgba(243, 231, 211, 0.16);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  animation: float 5.5s ease-in-out infinite;
}
.panel span {
  display: block;
  font-size: 0.75rem;
  color: rgba(243, 231, 211, 0.7);
  margin-bottom: 0.25rem;
}
.panel strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--cream);
}
.p1 { top: 8%; left: 0; animation-delay: 0s; }
.p2 { top: 18%; right: 0; animation-delay: 0.8s; }
.p3 { bottom: 12%; left: 18%; animation-delay: 1.4s; }

.section {
  padding: 5.5rem 4vw;
  border-top: 1px solid var(--line);
}
.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.9rem;
}
.section-head p {
  margin: 0;
  color: rgba(243, 231, 211, 0.78);
  line-height: 1.55;
  font-size: 1.05rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.split article {
  padding: 1.6rem 1.5rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.split article.accent {
  background: linear-gradient(160deg, rgba(31, 107, 79, 0.45), rgba(13, 31, 26, 0.35));
  border-color: rgba(143, 214, 181, 0.3);
}
.split h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.split ul {
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(243, 231, 211, 0.86);
  line-height: 1.6;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.module-grid article {
  padding: 1.4rem 1.3rem 1.5rem;
  border-top: 2px solid rgba(224, 160, 69, 0.55);
  background: linear-gradient(180deg, rgba(20, 54, 44, 0.55), rgba(7, 20, 16, 0.2));
}
.module-grid .num {
  font-family: var(--font-display);
  color: var(--amber);
  font-size: 0.9rem;
}
.module-grid h3 {
  margin: 0.7rem 0 0.55rem;
  font-size: 1.15rem;
}
.module-grid p {
  margin: 0;
  color: rgba(243, 231, 211, 0.78);
  line-height: 1.5;
  font-size: 0.98rem;
}

.arch {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  counter-reset: step;
}
.arch li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1.1rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
}
.arch li::before {
  content: counter(step, decimal-leading-zero);
  grid-row: span 2;
  align-self: center;
  font-family: var(--font-display);
  color: var(--mint);
  font-size: 1.3rem;
}
.arch strong {
  font-size: 1.1rem;
}
.arch span {
  color: rgba(243, 231, 211, 0.75);
  grid-column: 2;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.timeline > div {
  padding: 1.4rem;
  border-left: 3px solid var(--amber);
  background: rgba(13, 31, 26, 0.45);
}
.timeline time {
  display: block;
  color: var(--mint);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}
.timeline h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.timeline p {
  margin: 0;
  color: rgba(243, 231, 211, 0.78);
  line-height: 1.5;
}

.next-card {
  max-width: 48rem;
  padding: 2.4rem 2rem;
  border-radius: 28px;
  background:
    radial-gradient(600px 240px at 100% 0%, rgba(224, 160, 69, 0.25), transparent 60%),
    linear-gradient(145deg, rgba(31, 107, 79, 0.55), rgba(13, 31, 26, 0.85));
  border: 1px solid rgba(143, 214, 181, 0.28);
  box-shadow: var(--shadow);
}
.next-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0 0 0.8rem;
  letter-spacing: -0.03em;
}
.next-card > p {
  margin: 0 0 1.2rem;
  color: rgba(243, 231, 211, 0.85);
  line-height: 1.55;
  max-width: 36rem;
}
.checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
.checks li {
  padding-left: 1.6rem;
  position: relative;
  color: var(--cream);
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(224, 160, 69, 0.18);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 1.5rem 4vw 2.2rem;
  border-top: 1px solid var(--line);
  color: rgba(243, 231, 211, 0.55);
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  to { opacity: 1; transform: none; }
}
@keyframes fade {
  to { opacity: 1; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 960px) {
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 2.5rem; }
  .hero-visual { order: -1; min-height: 320px; }
  .split, .module-grid, .timeline { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}
