* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #050815;
  --bg-soft: #070a1c;
  --accent: #5b8dff;
  --accent-soft: #263b80;
  --accent-alt: #ffb347;
  --text: #f9fafb;
  --muted: #9ca3af;
  --panel: rgba(15, 23, 42, 0.75);
  --border: rgba(148, 163, 184, 0.35);
  --radius-lg: 32px;
  --radius-md: 20px;
  --shadow-strong: 0 40px 120px rgba(15, 23, 42, 0.85);
  --font: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px circle at 0% 0%, #1e293b, transparent 60%),
    radial-gradient(1000px circle at 100% 0%, #1d2757, transparent 60%),
    radial-gradient(900px circle at 50% 100%, #111827, transparent 60%),
    var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.86));
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.12em;
  font-size: 14px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
}

.nav-links a {
  position: relative;
  color: var(--muted);
  padding-bottom: 4px;
  transition: color 0.2s var(--ease);
}

.nav-links a:hover {
  color: #e5e7eb;
}

.nav-links a.active {
  color: #fefce8;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: #e5e7eb;
}

main {
  padding-top: 72px;
}

/* Hero */
.hero {
  position: relative;
  padding: 72px 20px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px circle at 0% 0%, rgba(91, 141, 255, 0.6), transparent 60%),
    radial-gradient(900px circle at 100% 0%, rgba(255, 179, 71, 0.46), transparent 65%),
    radial-gradient(1000px circle at 50% 100%, rgba(15, 23, 42, 0.8), transparent 70%);
  opacity: 0.9;
}

.hero-grid {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.hero-grid.hero-grid-stack {
  grid-template-columns: minmax(0, 1fr);
  row-gap: 32px;
  text-align: center;
}

.tagline {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.85);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(32px, 4.4vw, 46px);
  line-height: 1.1;
  margin-bottom: 18px;
}

.lede {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-grid.hero-grid-stack .hero-meta {
  justify-content: center;
}

.meta-card {
  min-width: 150px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(191, 219, 254, 0.5);
  font-size: 12px;
}

.meta-card span {
  color: rgba(209, 213, 219, 0.9);
}

.meta-card strong {
  display: block;
  font-size: 18px;
}

.meta-card p {
  font-size: 12px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-grid.hero-grid-stack .hero-actions {
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.23s var(--ease);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #7dd3fc);
  color: #020617;
  box-shadow: 0 24px 80px rgba(37, 99, 235, 0.45);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 30px 100px rgba(37, 99, 235, 0.6);
}

.btn.ghost {
  background: rgba(15, 23, 42, 0.55);
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.7);
}

.btn.ghost:hover {
  background: rgba(15, 23, 42, 0.8);
}

.hero-visual {
  position: relative;
}

.device-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(191, 219, 254, 0.6);
  box-shadow: var(--shadow-strong);
  background: radial-gradient(circle at 0 0, #1d4ed8 0, transparent 55%);
}

.hero-grid.hero-grid-stack .device-frame {
  max-width: 50%;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .hero-grid.hero-grid-stack .device-frame {
    max-width: 70%;
  }
}

/* Bands */
.band {
  padding: 80px 20px;
}

.band-light {
  background: radial-gradient(1000px circle at 0 50%, rgba(59, 130, 246, 0.25), transparent 60%),
    radial-gradient(900px circle at 100% 20%, rgba(59, 130, 246, 0.18), transparent 65%),
    var(--bg-soft);
}

.band-dark {
  background: radial-gradient(1200px circle at 50% 0%, rgba(15, 23, 42, 0.8), transparent 60%),
    #020617;
}

.band-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.band-inner.reverse {
  direction: rtl;
}

.band-inner.reverse > * {
  direction: ltr;
}

.band-media img {
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-strong);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #bfdbfe;
  margin-bottom: 10px;
}

.band-copy h2 {
  font-size: clamp(26px, 3.4vw, 34px);
  margin-bottom: 14px;
}

.body {
  font-size: 16px;
  color: var(--muted);
}

.bullets {
  list-style: none;
  margin-top: 18px;
}

.bullets li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 6px;
}

.bullets li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: #93c5fd;
}

.spec-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 22px;
}

.spec span {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.spec p {
  font-size: 13px;
  color: var(--muted);
}

/* Solutions grid */
.solutions {
  padding: 80px 20px 90px;
  background: radial-gradient(1200px circle at 50% 0%, rgba(37, 99, 235, 0.3), transparent 60%),
    #020617;
}

.solutions-head {
  max-width: 780px;
  margin: 0 auto 40px;
  text-align: center;
}

.solutions-head h2 {
  font-size: clamp(28px, 3.4vw, 36px);
  margin-bottom: 10px;
}

.solutions-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.solution-card {
  border-radius: 22px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.55);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.solution-card:hover {
  transform: translateY(-6px);
  border-color: rgba(191, 219, 254, 0.9);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.85);
}

.solution-copy {
  padding: 18px 18px 20px;
}

.solution-copy h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.solution-copy p {
  font-size: 14px;
  color: var(--muted);
}

/* CTA */
.cta {
  padding: 80px 20px 90px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.85), rgba(52, 211, 153, 0.8));
}

.cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(15, 23, 42, 0.85);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  border: 1px solid rgba(15, 23, 42, 0.85);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.cta h2 {
  font-size: clamp(26px, 3vw, 32px);
  margin: 10px 0 12px;
}

.cta p {
  color: rgba(226, 232, 240, 0.9);
}

.cta a {
  color: #e5e7eb;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

/* Footer */
.footer {
  padding: 32px 20px 40px;
  background: #020617;
  border-top: 1px solid rgba(15, 23, 42, 1);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.footer h4 {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: #9ca3af;
  margin-bottom: 8px;
}

.footer p {
  font-size: 13px;
  color: #9ca3af;
}

.footer a {
  display: block;
  font-size: 13px;
  color: #e5e7eb;
  margin-bottom: 4px;
  transition: color 0.2s var(--ease);
}

.footer a:hover {
  color: #facc15;
}

.legal {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 12px;
  color: #6b7280;
  text-align: center;
}

/* Animations */
[data-animate] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="slide-right"] {
  transform: translateX(-26px);
}

[data-animate="slide-right"].animated {
  transform: translateX(0);
}

[data-animate="slide-left"] {
  transform: translateX(26px);
}

[data-animate="slide-left"].animated {
  transform: translateX(0);
}

[data-animate="zoom-in"] {
  transform: scale(0.96);
}

[data-animate="zoom-in"].animated {
  transform: scale(1);
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 60px 0 auto 0;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    padding: 14px 20px 18px;
    transform: translateY(-120%);
    transition: transform 0.25s var(--ease);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .hero-grid,
  .band-inner,
  .cta-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 64px;
  }

  .band,
  .solutions,
  .cta {
    padding-inline: 16px;
  }
}