@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0f14;
  --text: #e8edf2;
  --text-secondary: #9bb0c7;
  --text-muted: #6e8196;
  --accent: #22d3ee;
  --accent-hover: #5eead4;
  --accent-strong: #0ea5e9;
  --border: #223041;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top left, rgba(34, 211, 238, 0.08), transparent 45%),
    radial-gradient(circle at 10% 60%, rgba(14, 165, 233, 0.08), transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.01em;
}

a {
  color: inherit;
}

.btn {
  padding: 0.65rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.08);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  border-color: transparent;
  color: #04111a;
  font-weight: 600;
  box-shadow: 0 12px 24px rgba(14, 165, 233, 0.3);
}

.btn.primary:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
}

.btn.outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
}

.btn.ghost {
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
}

.landing {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 10%, rgba(34, 211, 238, 0.18), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(14, 165, 233, 0.2), transparent 50%),
    linear-gradient(180deg, #05070b 0%, #0b1119 55%, #0c141f 100%);
  position: relative;
  overflow-x: hidden;
}

.landing::before,
.landing::after {
  content: '';
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.18), transparent 70%);
  filter: blur(10px);
  z-index: 0;
  pointer-events: none;
}

.landing::before {
  top: 0;
  right: 10%;
}

.landing::after {
  bottom: 0;
  left: 5%;
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(18px);
  background: rgba(5, 7, 11, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 6vw;
}

.landing-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.landing-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 211, 238, 0.15);
  color: var(--accent);
  font-size: 1rem;
}

.landing-nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.landing-nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.landing-nav-actions {
  display: flex;
  gap: 0.75rem;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 11;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(5, 7, 11, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 6vw 2rem;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 10;
}

.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.mobile-menu-links a {
  padding: 0.875rem 0;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.2s;
}

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

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-menu-actions .btn {
  width: 100%;
  justify-content: center;
  padding: 0.875rem 1.25rem;
}

.landing-hero {
  position: relative;
  z-index: 1;
  padding: 5rem 6vw 3.5rem;
}

.landing-hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 3rem;
  align-items: center;
}

.landing-hero-text h1 {
  font-size: clamp(2.6rem, 4vw, 4rem);
  margin: 0 0 1.25rem;
}

.landing-hero-text h1 span {
  color: var(--accent);
}

.landing-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.landing-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 580px;
}

.landing-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.landing-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.metric-card {
  padding: 1rem 1.2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 13, 20, 0.6);
}

.metric-card span {
  font-size: 1.5rem;
  font-weight: 600;
}

.metric-card p {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.landing-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-panel {
  width: min(420px, 90%);
  padding: 1.5rem;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(16, 24, 35, 0.95), rgba(7, 12, 18, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
}

.panel-header,
.panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.panel-header strong,
.panel-footer strong {
  color: var(--text);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.panel-tile {
  padding: 0.9rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-tile p {
  margin: 0 0 0.35rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.panel-tile strong {
  font-size: 1rem;
}

.hero-orbit {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px dashed rgba(94, 234, 212, 0.4);
  animation: orbit 12s linear infinite;
}

.hero-orbit.orbit-2 {
  width: 240px;
  height: 240px;
  border-color: rgba(34, 211, 238, 0.5);
  animation-duration: 9s;
  animation-direction: reverse;
}

@keyframes orbit {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.landing-logo-strip {
  margin-top: 4rem;
  padding: 1.5rem 2rem;
  border-radius: 18px;
  background: rgba(6, 11, 17, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.logo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.logo-chips span {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.landing-section {
  padding: 4.5rem 6vw;
  position: relative;
  z-index: 1;
  scroll-margin-top: 110px;
}

.section-heading {
  max-width: 640px;
}

.section-heading h2 {
  margin: 0.5rem 0 0.85rem;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.section-heading p {
  color: var(--text-secondary);
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.feature-card {
  padding: 1.5rem;
  border-radius: 18px;
  background: rgba(9, 16, 24, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

.feature-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
}

.landing-section.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.code-card {
  margin-top: 1.75rem;
  padding: 1.5rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(14, 22, 34, 0.95), rgba(9, 15, 24, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.code-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.code-card-header strong {
  color: var(--text);
  font-size: 0.9rem;
  text-transform: none;
  letter-spacing: 0;
}

.code-card pre {
  margin: 0;
  padding: 1rem;
  background: rgba(8, 12, 18, 0.8);
  border-radius: 12px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #dbe7ff;
  font-family: 'Space Grotesk', 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

.code-card code {
  white-space: pre;
}

.timeline-card {
  padding: 1.8rem;
  border-radius: 20px;
  background: rgba(8, 13, 19, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

.timeline-card h3 {
  margin-top: 0;
}

.timeline-row {
  display: flex;
  gap: 1rem;
  margin-top: 1.25rem;
}

.timeline-row p {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  margin-top: 0.45rem;
}

.dot.active {
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.15);
}

.step-list {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.step-index {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.step p {
  margin: 0.5rem 0 0;
  color: var(--text-secondary);
}

.landing-section.insights {
  background: linear-gradient(180deg, rgba(6, 10, 16, 0.2), rgba(10, 17, 26, 0.6));
}

.insight-panels {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.insight-panel {
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 15, 22, 0.75);
}

.insight-panel h3 {
  margin-top: 0;
}

.insight-panel p {
  color: var(--text-secondary);
}

.insight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.insight-tags span {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
  font-size: 0.75rem;
}

.testimonials {
  padding-top: 3.5rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.testimonial {
  padding: 1.6rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 14, 21, 0.8);
}

.testimonial blockquote {
  margin: 0 0 1.25rem;
  font-size: 1rem;
}

.testimonial figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.landing-cta {
  margin: 4rem 6vw 2rem;
  padding: 2.5rem 3rem;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(14, 165, 233, 0.25));
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  position: relative;
  z-index: 1;
  scroll-margin-top: 110px;
}

.landing-cta h2 {
  margin: 0 0 0.75rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.landing-footer {
  padding: 3rem 6vw 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

.reveal {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}

.reveal.delay-1 {
  animation-delay: 0.15s;
}

.reveal.delay-2 {
  animation-delay: 0.3s;
}

.reveal.delay-3 {
  animation-delay: 0.45s;
}

.reveal.delay-4 {
  animation-delay: 0.6s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .landing-nav {
    flex-wrap: wrap;
  }

  .landing-nav-links {
    display: none;
  }

  .landing-nav-actions {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .mobile-menu {
    display: block;
  }

  .landing-hero-content,
  .landing-section.split {
    grid-template-columns: 1fr;
  }

  .landing-hero {
    padding-top: 3.5rem;
  }
}

@media (max-width: 720px) {
  .landing-nav-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .landing-logo-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .landing-cta {
    padding: 2rem;
  }
}