:root {
  --bg: #020617;
  --bg-alt: #020617;
  --surface: rgba(15, 23, 42, 0.92);
  --border: rgba(148, 163, 184, 0.35);
  --accent: #00e3ff;
  --accent-soft: rgba(56, 189, 248, 0.2);
  --green: #22c55e;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --danger: #f97373;
  --radius-xl: 18px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.8);
}

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

html, body {
  margin: 0;
  padding: 0;
}

body.neon-bg {
  min-height: 100vh;
  background:
    radial-gradient(circle at 0% 0%, rgba(34, 197, 94, 0.22), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(56, 189, 248, 0.25), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(15, 23, 42, 0.9), #020617 70%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 3rem 0;
}

.section-header {
  max-width: 720px;
  margin-bottom: 1.8rem;
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.section-header h2 {
  margin: 0 0 0.4rem;
  font-size: 1.8rem;
}

.section-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Nav */

.nav-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15,23,42,0.96), rgba(15,23,42,0.85));
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.8);
}

.nav-logo-main {
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-logo-sub {
  font-size: 0.7rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: 1rem;
  font-size: 0.86rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  position: relative;
  padding-bottom: 0.1rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--green));
  transition: width 0.18s ease-out;
}

.nav-links a:hover::after {
  width: 100%;
}

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

/* Mobile nav toggle */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.1rem;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--text);
  border-radius: 999px;
}

/* Hero */

.hero {
  padding-top: 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.6fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.hero h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(2.1rem, 3vw + 1.2rem, 3.1rem);
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(120deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  color: transparent;
}

.accent-text {
  color: var(--accent);
}

.hero-sub {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 34rem;
}

.hero-actions {
  margin: 1.5rem 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.88rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease-out, box-shadow 0.15s ease-out, background 0.15s ease-out, border-color 0.15s ease-out;
}

.btn.wide {
  width: 100%;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--green));
  color: #020617;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.85);
}

.btn.ghost {
  background: rgba(15,23,42,0.8);
  border-color: var(--border);
  color: var(--text);
}

.btn.ghost:hover {
  border-color: var(--accent);
  background: rgba(15,23,42,0.95);
}

/* Hero panel */

.glass {
  background: radial-gradient(circle at 0% 0%, rgba(56,189,248,0.16), transparent 55%),
              radial-gradient(circle at 100% 100%, rgba(34,197,94,0.18), transparent 55%),
              rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.hero-panel {
  padding: 1.4rem 1.3rem 1.5rem;
}

.hero-metric-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.metric {
  padding: 0.6rem 0.7rem;
  border-radius: 12px;
  background: rgba(15,23,42,0.95);
  border: 1px solid rgba(31,41,55,0.9);
}

.metric-label {
  font-size: 0.7rem;
  color: var(--muted);
}

.metric-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.metric-sub {
  font-size: 0.7rem;
  color: var(--muted);
}

.hero-usage {
  margin: 0.3rem 0 0.8rem;
}

.usage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.pill {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(34,197,94,0.7);
  background: rgba(21,128,61,0.35);
  font-size: 0.7rem;
  color: var(--accent);
}

.usage-bar {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(15,23,42,0.95);
  overflow: hidden;
  border: 1px solid rgba(31,41,55,0.9);
}

.usage-fill {
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--green));
  box-shadow: 0 0 16px rgba(56,189,248,0.7);
}

.usage-note {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.hero-list {
  list-style: none;
  padding-left: 0;
  margin: 0.7rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-list li {
  margin-bottom: 0.25rem;
}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1.2rem;
}

.card {
  padding: 1.2rem 1.2rem 1.3rem;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  opacity: 0;
  background:
    radial-gradient(circle at 0 0, rgba(56,189,248,0.3), transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(34,197,94,0.3), transparent 60%);
  transition: opacity 0.22s ease-out;
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.card p {
  font-size: 0.86rem;
  color: var(--muted);
}

.card-list {
  list-style: none;
  padding-left: 0;
  margin: 0.6rem 0 0.8rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.card-list li {
  margin-bottom: 0.28rem;
}

.card-link {
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
}

.card-link:hover {
  text-decoration: underline;
}

.card-foot {
  font-size: 0.76rem;
  color: var(--muted);
}

/* Band section */

.neon-band {
  background: radial-gradient(circle at 0 50%, rgba(56,189,248,0.22), transparent 55%),
              radial-gradient(circle at 100% 50%, rgba(34,197,94,0.22), transparent 55%),
              rgba(15,23,42,0.98);
  border-top: 1px solid rgba(15,23,42,1);
  border-bottom: 1px solid rgba(15,23,42,1);
}

.band-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.band-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  font-size: 0.88rem;
  color: var(--text);
}

.band-list li {
  margin-bottom: 0.4rem;
}

/* CTA */

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 1.4rem;
  padding: 1.3rem 1.4rem 1.4rem;
}

.cta-steps {
  padding-left: 1.1rem;
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 1.3rem;
}

.contact-form,
.contact-info {
  padding: 1.2rem 1.2rem 1.3rem;
}

.field {
  margin-bottom: 0.7rem;
}

label {
  display: block;
  font-size: 0.78rem;
  margin-bottom: 0.15rem;
}

input,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(55,65,81,0.9);
  background: rgba(15,23,42,0.98);
  color: var(--text);
  font-family: inherit;
  font-size: 0.86rem;
  padding: 0.55rem 0.6rem;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56,189,248,0.5);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(15,23,42,0.95);
  padding: 1.2rem 0 1.6rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

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

/* Animations: in-view */

.inview-target {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}

.inview-target.inview {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid,
  .card-grid,
  .band-inner,
  .cta-panel,
  .contact-grid {
    grid-template-columns: minmax(0,1fr);
  }

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

  .nav-links {
    position: absolute;
    inset: 100% 0 auto 0;
    background: rgba(15,23,42,0.98);
    padding: 0.65rem 1.5rem 0.9rem;
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    border-bottom: 1px solid rgba(15,23,42,1);
  }

  .nav-links.show {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2.2rem;
  }

  .container {
    padding: 0 1.2rem;
  }
}