/* ─── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Dark grid background (keep exactly as-is) ─────────────────────────── */
.dark-graph {
  min-height: 100vh;
  background-color: #0b0d0e;
  background-image:
    linear-gradient(to right,  rgba(0, 200, 120, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 200, 120, 0.03) 1px, transparent 1px),
    linear-gradient(to right,  rgba(0, 200, 120, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 200, 120, 0.06) 1px, transparent 1px),
    radial-gradient(700px 700px at 6% 8%, rgba(0, 160, 110, 0.08), rgba(0,0,0,0) 35%),
    linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.25));
  background-size:
    48px 48px,
    48px 48px,
    240px 240px,
    240px 240px,
    cover,
    cover;
  background-repeat: repeat, repeat, repeat, repeat, no-repeat, no-repeat;
  background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0;
  color: #e6f7ea;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Gradient helpers ───────────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(90deg, #00ff7f, #7fff00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.gradient-icon {
  background: linear-gradient(90deg, #00ff7f, #7fff00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* ─── Navbar ─────────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid rgba(0, 255, 136, 0.08);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0px;
}

.nav-logo {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-icon {
  width: 52px;
  height: 52px;
}

.nav-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: #00ff88;
  text-decoration: none;
  border: 1px solid rgba(0, 255, 136, 0.3);
  padding: 8px 20px;
  border-radius: 999px;
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: rgba(0, 255, 136, 0.08);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.2);
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 100px 48px 80px;
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #00cc66;
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.2rem;
  line-height: 1.7;
  color: #9bbfa8;
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #00ff7f, #7fff00);
  color: #0b0d0e;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 24px rgba(0, 255, 120, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 255, 120, 0.5);
}

/* ─── Features ───────────────────────────────────────────────────────────── */
.features {
  padding: 80px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: radial-gradient(circle, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.55) 100%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  padding: 32px 28px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 136, 0.35);
  box-shadow:
    0 0 12px rgba(0, 255, 136, 0.15),
    0 0 28px rgba(0, 255, 136, 0.08);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #7da88a;
}

/* ─── Screenshots ────────────────────────────────────────────────────────── */
.screens {
  padding: 40px 48px 80px;
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.screens-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

.screens-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: nowrap;
}

.screens-item {
  flex: 1 1 0;
  max-width: 300px;
}

.screens-frame {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 14px 40px rgba(0, 0, 0, 0.55));
  transition: transform 0.2s, filter 0.2s;
}

.screens-frame:hover {
  transform: translateY(-6px);
  filter: drop-shadow(0 18px 50px rgba(0, 255, 136, 0.25));
}

/* ─── Download CTA section ───────────────────────────────────────────────── */
.download-section {
  text-align: center;
  padding: 100px 48px;
  border-top: 1px solid rgba(0, 255, 136, 0.06);
}

.download-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.download-sub {
  font-size: 1.1rem;
  color: #7da88a;
  margin-bottom: 36px;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 28px 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: #4a6654;
}

.footer-sep { opacity: 0.4; }

.footer-link {
  color: #4a6654;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover { color: #00ff88; }

.footer-note { opacity: 0.6; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .screens-row { flex-wrap: wrap; }
  .screens-item { flex: 0 0 40%; max-width: 240px; }
}

@media (max-width: 600px) {
  .navbar { padding: 16px 24px; justify-content: center; }
  .nav-cta { display: none; }
  .hero { padding: 64px 24px 56px; }
  .hero-headline { font-size: 2.4rem; }
  .hero-sub { font-size: 1rem; }
  .features { padding: 56px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .download-section { padding: 64px 24px; }
  .screens { padding: 24px 24px 56px; }
  .screens-heading { margin-bottom: 32px; }
  .screens-row { gap: 16px; }
  .screens-item { flex: 0 0 44%; max-width: 200px; }
  .footer { padding: 24px; text-align: center; }
}