:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-soft: #f1f5fb;
  --text: #0f172a;
  --muted: #475569;
  --border: #dbe3ef;
  --accent: #1f6bff;
  --accent-strong: #1552d5;
  --shadow-sm: 0 10px 26px rgba(12, 23, 46, 0.08);
  --shadow-lg: 0 20px 44px rgba(15, 30, 62, 0.14);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, #f8fafe 0%, #f6f8fc 100%);
  font-family: "Segoe UI", "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.section-soft {
  background: var(--surface-soft);
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.narrow {
  width: min(760px, 100%);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3.5rem;
  z-index: 100;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: #0f172a;
  box-shadow: var(--shadow-sm);
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(246, 248, 252, 0.86);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 4.4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  transition: transform 0.2s ease;
}

.brand:hover {
  transform: translateY(-1px);
}

.brand-logo {
  width: clamp(128px, 16vw, 172px);
  height: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.site-nav a {
  border-radius: 10px;
  padding: 0.5rem 0.7rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.site-nav a:not(.nav-cta) {
  display: none;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(31, 107, 255, 0.08);
}

.nav-cta {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text) !important;
}

.hero {
  padding-top: 4rem;
  padding-bottom: 4.8rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
}

.eyebrow {
  display: inline-block;
  border-radius: 999px;
  background: rgba(31, 107, 255, 0.1);
  color: #1244a8;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
}

h1 {
  margin-top: 0.75rem;
  max-width: 15ch;
  font-size: clamp(1.95rem, 6vw, 3.2rem);
}

.hero-subheadline {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 58ch;
  font-size: 1.03rem;
}

.hero-points {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.78rem;
}

.hero-points li {
  position: relative;
  padding-left: 1.55rem;
  color: #1d293f;
  font-weight: 500;
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 0.58rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(31, 107, 255, 0.14);
}

.hero-actions {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.75rem 1.05rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 12px 24px rgba(31, 107, 255, 0.28);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  border-color: var(--border);
  background: #ffffff;
  color: var(--text);
}

.btn-large {
  margin-top: 0.4rem;
  padding-inline: 1.4rem;
}

.hero-visual {
  position: relative;
  min-height: 310px;
  padding: 0.8rem 0.25rem;
}

.orb {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.orb-a {
  width: 150px;
  height: 150px;
  top: 1rem;
  right: 8%;
  background: radial-gradient(circle at 30% 30%, rgba(31, 107, 255, 0.35), rgba(31, 107, 255, 0));
  animation: drift 7s ease-in-out infinite;
}

.orb-b {
  width: 130px;
  height: 130px;
  left: 2%;
  bottom: 0.8rem;
  background: radial-gradient(circle at 30% 30%, rgba(0, 194, 255, 0.3), rgba(0, 194, 255, 0));
  animation: drift 9s ease-in-out infinite reverse;
}

.mockup {
  position: relative;
  margin-inline: auto;
  max-width: 430px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  animation: float 7s ease-in-out infinite;
}

.mockup-top {
  display: flex;
  gap: 0.45rem;
  padding: 0.9rem 1rem;
  background: linear-gradient(180deg, rgba(31, 107, 255, 0.12), rgba(31, 107, 255, 0.02));
}

.mockup-top span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(31, 107, 255, 0.45);
}

.mockup-body {
  padding: 1.2rem 1.1rem 1.35rem;
}

.chip-row {
  display: flex;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid #c9dafd;
  background: #f7faff;
  color: #1a4fb8;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.68rem;
}

.line {
  border-radius: 999px;
  background: #e6edf9;
  margin-bottom: 0.58rem;
}

.line-lg {
  width: 100%;
  height: 0.72rem;
}

.line-md {
  width: 84%;
  height: 0.68rem;
}

.line-sm {
  width: 56%;
  height: 0.64rem;
}

.mini-cards {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.mini-cards div {
  min-height: 3.15rem;
  border-radius: 0.78rem;
  background: linear-gradient(160deg, #f4f7fd 0%, #ebf1fc 100%);
  border: 1px solid #d9e4f8;
}

h2 {
  font-size: clamp(1.55rem, 4vw, 2.2rem);
}

#core-value p,
#devices p,
.cta-wrap p {
  margin-top: 0.95rem;
  color: var(--muted);
  font-size: 1.03rem;
}

.card-grid {
  margin-top: 1.45rem;
  display: grid;
  gap: 1rem;
}

.feature-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  padding: 1.2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(15, 30, 62, 0.12);
}

.feature-card h3 {
  font-size: 1.12rem;
}

.feature-card p {
  margin-top: 0.62rem;
  color: var(--muted);
}

.device-grid {
  display: grid;
  gap: 1.3rem;
  align-items: center;
}

.device-panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.device-row {
  border: 1px solid #d8e4ff;
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, #f9fbff 0%, #f1f6ff 100%);
  color: #17315f;
  font-weight: 600;
  padding: 0.9rem 1rem;
}

.device-row + .device-row {
  margin-top: 0.75rem;
}

.cta-section {
  padding-top: 4rem;
}

.cta-wrap {
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.2rem;
}

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  padding: 1.35rem 0 2rem;
}

.footer-logo {
  width: clamp(118px, 14vw, 150px);
  height: auto;
  display: block;
}

.footer-tagline {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.footer-email {
  color: var(--accent);
  font-weight: 600;
}

.footer-email:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid rgba(31, 107, 255, 0.35);
  outline-offset: 2px;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-7px);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-8px, -8px);
  }
}

@media (min-width: 720px) {
  .site-nav a:not(.nav-cta) {
    display: inline-flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .device-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .cta-wrap {
    padding: 2.4rem 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}
