:root {
  --bg: #0a0f0d;
  --bg-alt: #0e1512;
  --surface: #121a17;
  --card: #131c19;
  --border: #223129;
  --fg: #eef5f1;
  --muted: #8ea59a;
  --muted-2: #62786f;
  --accent: #16c98d;
  --accent-light: #4ee0ab;
  --accent-dark: #0a6e57;
  --accent-50: rgba(22, 201, 141, 0.08);
  --accent-100: rgba(22, 201, 141, 0.16);
  --danger: #ff6b5e;
  --danger-50: rgba(255, 107, 94, 0.1);
  --radius: 1rem;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.45);
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
}

ul {
  padding: 0;
}

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

.muted {
  color: var(--muted);
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 15, 13, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--fg);
}
.brand img {
  width: 2rem;
  height: 2rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
}
.nav-links a:not(.btn):hover {
  color: var(--fg);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.4rem;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.6rem;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  font-family: inherit;
}
.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--accent);
  color: #06110d;
  box-shadow: 0 6px 20px rgba(22, 201, 141, 0.3);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 8px 24px rgba(22, 201, 141, 0.4);
}
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--fg);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}
.btn-block {
  width: 100%;
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Hero */
.hero {
  position: relative;
  padding: 7rem 1.5rem 5rem;
  overflow: hidden;
  text-align: center;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(22, 201, 141, 0.14), transparent 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black, transparent);
}
.hero-content {
  position: relative;
  z-index: 1;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  background: var(--accent-50);
  border: 1px solid var(--accent-100);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 1.75rem;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-100);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5vw, 3.9rem);
  margin: 0 0 1.25rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.hero p {
  max-width: 38rem;
  margin: 0 auto 2.25rem;
  color: var(--muted);
  font-size: 1.12rem;
}
.hero p strong {
  color: var(--fg);
}
.hero-actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.audience-pills {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.audience-pills a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.audience-pills a:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.75rem;
  flex-wrap: wrap;
  padding-top: 2.25rem;
  border-top: 1px solid var(--border);
  max-width: 44rem;
  margin: 0 auto;
}
.hero-stat .num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--accent-light);
}
.hero-stat .label {
  font-size: 0.78rem;
  color: var(--muted-2);
  margin-top: 0.2rem;
}

/* Sections */
section {
  padding: 5.5rem 0;
  position: relative;
}
.section-title {
  text-align: center;
  max-width: 38rem;
  margin: 0 auto 3.5rem;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 0.75rem;
  font-weight: 700;
  line-height: 1.25;
}
.section-title p {
  color: var(--muted);
}

/* Problem */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
}
.p-icon {
  font-size: 1.5rem;
  margin-bottom: 0.9rem;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin: 0 0 0.5rem;
}
.problem-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Platform / steps */
.platform-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.step {
  position: relative;
}
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 1.15rem;
  left: calc(100% - 0.5rem);
  width: calc(2rem - 1rem);
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 10px);
  display: none;
}
@media (min-width: 900px) {
  .step:not(:last-child)::after {
    display: block;
  }
}
.step-num {
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 0.7rem;
  background: var(--accent-50);
  border: 1px solid var(--accent-100);
  color: var(--accent-light);
  font-family: var(--font-mono);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}
.step h3 {
  font-family: var(--font-display);
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 600;
}
.step p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.feature-card:hover {
  border-color: var(--accent-100);
  transform: translateY(-2px);
}
.f-icon {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.65rem;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #06110d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 0.5rem;
  font-weight: 600;
}
.feature-card p {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
}

/* Safety */
.safety-section {
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.safety-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: start;
}
.safety-grid h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  margin: 0 0 0.9rem;
  line-height: 1.25;
}
.safety-grid > div > p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.check-list {
  list-style: none;
  margin: 0;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 0.95rem;
  font-size: 0.95rem;
  color: var(--fg);
}
.check-list .check {
  flex-shrink: 0;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 0.4rem;
  background: var(--accent-100);
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.9rem;
  position: relative;
}
.card h3 {
  font-family: var(--font-display);
  margin-top: 0;
  font-weight: 600;
}
.safety-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--accent), var(--danger));
}

.rule-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.rule-row:last-child {
  border-bottom: none;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
.tag-on {
  background: var(--accent-100);
  color: var(--accent-light);
}
.tag-off {
  background: var(--danger-50);
  color: var(--danger);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-md);
}
.price-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #06110d;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-family: var(--font-mono);
}
.price-card h3 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
}
.price {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--fg);
}
.price span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}
.price-card > p.muted {
  font-size: 0.88rem;
  margin: 0 0 1.5rem;
}
.price-card ul {
  list-style: none;
  margin: 0 0 1.75rem;
  flex-grow: 1;
}
.price-card ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--muted);
}
.price-card ul li:last-child {
  border-bottom: none;
}

/* Teams / investors */
.teams-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.teams-grid,
.investor-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: start;
}
.teams-grid h2,
.investors-section h2 {
  font-family: var(--font-display);
  font-weight: 700;
}
.teams-grid > div:first-child p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.investor-grid {
  grid-template-columns: 1fr 1fr;
}
.investor-grid .check-list .check {
  background: transparent;
  color: var(--muted-2);
  border: 1px dashed var(--border);
}
.investor-grid .card:first-child .check-list .check {
  background: var(--accent-100);
  color: var(--accent-light);
  border: none;
}

/* FAQ */
.faq-list {
  max-width: 44rem;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0;
}
.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent);
  margin-left: 1rem;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item p {
  color: var(--muted);
  margin: 0.85rem 0 0;
  font-size: 0.93rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.contact-grid h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}
.contact-grid > div:first-child p {
  color: var(--muted);
}

.field {
  margin-bottom: 1rem;
}
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--fg);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--fg);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-50);
}
.form-message {
  margin-top: 0.9rem;
  padding: 0.7rem 0.9rem;
  border-radius: 0.5rem;
  font-size: 0.88rem;
  display: none;
}
.form-message.success {
  display: block;
  background: var(--accent-50);
  color: var(--accent-light);
  border: 1px solid var(--accent-100);
}
.form-message.error {
  display: block;
  background: var(--danger-50);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 94, 0.3);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Footer */
footer {
  background: #060a08;
  color: var(--muted-2);
  padding: 3.5rem 0 2rem;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.footer-brand img {
  width: 2rem;
  height: 2rem;
}
.footer-links {
  display: flex;
  gap: 2.75rem;
  flex-wrap: wrap;
}
.footer-links a {
  display: block;
  font-size: 0.88rem;
  color: var(--muted-2);
  text-decoration: none;
  margin-bottom: 0.6rem;
}
.footer-links a:hover {
  color: var(--fg);
}
.footer-links h4 {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
}
.disclaimer {
  font-size: 0.78rem;
  line-height: 1.7;
  max-width: 52rem;
  color: var(--muted-2);
  margin: 0 0 1.5rem;
}
.footer-bottom {
  font-size: 0.82rem;
  text-align: center;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

@media (max-width: 900px) {
  .problem-grid,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .safety-grid,
  .teams-grid,
  .investor-grid,
  .contact-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid .price-card--featured {
    order: -1;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1.5rem 1.75rem;
    gap: 1.1rem;
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a.btn {
    width: 100%;
    justify-content: center;
    margin-top: 0.25rem;
  }
  .hero {
    padding: 5rem 1.25rem 3.5rem;
  }
  .problem-grid,
  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    gap: 1.5rem 2rem;
  }
  .footer-top {
    flex-direction: column;
  }
}