:root {
  --bg: #071210;
  --bg-elevated: #0e1c19;
  --ink: #e8f2ef;
  --muted: #8aa39a;
  --accent: #2dd4a0;
  --accent-deep: #1aa879;
  --line: rgba(232, 242, 239, 0.12);
  --danger: #f07167;
  --ok: #4ade80;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Outfit", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.top {
  position: absolute;
  z-index: 5;
  inset: 0 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 5vw;
}

.top .brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  justify-content: flex-end;
}

.top nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.85;
}

.top nav a:hover {
  opacity: 1;
  color: var(--accent);
}

.hero {
  position: relative;
  min-height: 52vh;
  display: grid;
  align-items: end;
  padding: 5.5rem 5vw 2.75rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 70% at 85% 10%, rgba(45, 212, 160, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(26, 168, 121, 0.12), transparent 50%),
    linear-gradient(165deg, #0b1a17 0%, #071210 55%, #050c0b 100%);
}

.hero-glow {
  position: absolute;
  inset: auto -10% -30% 40%;
  height: 70%;
  background: radial-gradient(circle, rgba(45, 212, 160, 0.2), transparent 65%);
  filter: blur(40px);
  pointer-events: none;
  animation: pulse 7s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.55; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1.05); }
}

.hero-copy {
  position: relative;
  max-width: 38rem;
  animation: rise 0.7s ease-out both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 1.4rem;
  max-width: 30rem;
  font-size: 1.05rem;
  color: rgba(232, 242, 239, 0.86);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.25rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #04110e;
  border-color: var(--accent);
}

.btn.primary:hover {
  background: #45e0ae;
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(232, 242, 239, 0.35);
}

.btn.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.download-btn {
  margin: 0.5rem 0 1.25rem;
}

.panel {
  padding: 3.5rem 5vw;
  max-width: 44rem;
}

.panel.alt {
  max-width: none;
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
}

.panel.alt .facts,
.panel.alt h2,
.panel.alt > * {
  max-width: 44rem;
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.panel p {
  margin: 0 0 1rem;
  color: rgba(232, 242, 239, 0.88);
}

.panel ol {
  margin: 0;
  padding-left: 1.15rem;
  color: rgba(232, 242, 239, 0.88);
}

.note {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.facts {
  display: grid;
  gap: 0.9rem;
  margin: 1.25rem 0 0;
}

.facts > div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.5rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
}

.facts dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.25rem;
  max-width: 22rem;
}

.form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.form input {
  font: inherit;
  padding: 0.7rem 0.8rem;
  color: var(--ink);
  background: #061412;
  border: 1px solid rgba(232, 242, 239, 0.18);
  border-radius: 0.3rem;
}

.form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form .btn {
  width: 100%;
  margin-top: 0.35rem;
}

.form-msg {
  min-height: 1.35em;
  margin: 0;
  font-size: 0.92rem;
}

.form-msg.ok {
  color: var(--ok);
}

.form-msg.err {
  color: var(--danger);
}

footer {
  padding: 1.75rem 5vw 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

footer a {
  color: var(--muted);
}

footer a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .top {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 48vh;
    padding-top: 6.5rem;
  }

  .facts > div {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-glow,
  .hero-copy {
    animation: none;
  }
}