:root {
  --deep-navy: #0c2642;
  --cobalt: #2a6cb5;
  --aqua: #2dd4bf;
  --foam: #f2fbfa;
  --mist: #8ee8e0;
  --slate: #6b7f90;
  --lagoon: #1fa8a0;
  --horizon: #3d8fd4;
  --coral: #e4572e;
  --bg-deep: #071828;
  --card: rgba(18, 58, 92, 0.45);
  --stroke: rgba(142, 232, 224, 0.28);
  --glow: rgba(45, 212, 191, 0.35);
  --radius: 18px;
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --wrap: min(1120px, calc(100% - 2rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--foam);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  background:
    radial-gradient(ellipse 80% 50% at 90% -10%, rgba(45, 212, 191, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 0% 30%, rgba(42, 108, 181, 0.35), transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 90%, rgba(31, 168, 160, 0.2), transparent 45%),
    linear-gradient(165deg, #0e2a45 0%, var(--deep-navy) 40%, var(--bg-deep) 100%);
  background-attachment: fixed;
}

img {
  max-width: 100%;
}

a {
  color: var(--aqua);
  text-decoration: none;
}

a:hover {
  color: var(--mist);
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.narrow {
  max-width: 760px;
}

.bg-glow,
.bg-waves {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
}

.bg-waves {
  opacity: 0.35;
  background-image:
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 28px,
      rgba(142, 232, 224, 0.04) 28px,
      rgba(142, 232, 224, 0.04) 29px
    );
  mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 24, 40, 0.72);
  border-bottom: 1px solid rgba(142, 232, 224, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--foam);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand:hover {
  color: var(--foam);
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, var(--mist), transparent 45%),
    linear-gradient(145deg, var(--aqua), var(--lagoon));
  box-shadow: 0 0 18px var(--glow);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a:not(.btn) {
  color: var(--mist);
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:not(.btn):hover {
  color: var(--foam);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: rgba(42, 108, 181, 0.25);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--foam);
  border-radius: 2px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: 14px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--deep-navy) !important;
  background: linear-gradient(120deg, var(--aqua), var(--lagoon) 55%, var(--mist));
  box-shadow: 0 8px 28px rgba(45, 212, 191, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 10px 32px rgba(45, 212, 191, 0.4);
  color: var(--deep-navy) !important;
}

.btn-ghost {
  color: var(--foam) !important;
  background: rgba(42, 108, 181, 0.28);
  border-color: var(--stroke);
}

.btn-sm {
  min-height: 40px;
  padding: 0.45rem 0.95rem;
  font-size: 0.88rem;
}

/* Typography */

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--aqua);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(2.4rem, 6vw, 3.75rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 3.5vw, 2.45rem);
}

h3 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
}

.subtitle {
  margin: 0 0 1rem;
  color: var(--mist);
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  font-weight: 500;
}

.lede,
.section-lede {
  margin: 0 0 1.5rem;
  color: rgba(242, 251, 250, 0.82);
  max-width: 38rem;
}

.section-lede {
  max-width: 42rem;
}

.meta-line {
  color: var(--slate);
  font-size: 0.92rem;
}

/* Sections */

.section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.hero {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(4rem, 8vw, 6rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-stats li {
  display: grid;
  gap: 0.15rem;
  min-width: 6.5rem;
}

.hero-stats strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--aqua);
}

.hero-stats span {
  color: var(--slate);
  font-size: 0.85rem;
}

/* Hero device */

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

.device-card {
  position: relative;
  width: min(100%, 320px);
}

.device-glow {
  position: absolute;
  inset: 10% -8%;
  background: radial-gradient(circle, var(--glow), transparent 65%);
  filter: blur(18px);
  z-index: 0;
}

.device-screen {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(18, 58, 92, 0.95), rgba(7, 24, 40, 0.92));
  border: 1px solid var(--stroke);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.device-kicker {
  margin: 0;
  color: var(--aqua);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.device-title {
  margin: 0.35rem 0 1rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
}

.device-meter {
  height: 8px;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: rgba(242, 251, 250, 0.12);
  overflow: hidden;
}

.device-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--aqua), var(--mist));
}

.device-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.55rem;
  color: var(--mist);
  font-size: 0.95rem;
}

.device-row strong {
  color: var(--foam);
  font-variant-numeric: tabular-nums;
}

.device-chip {
  margin-top: 1rem;
  display: inline-flex;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.14);
  border: 1px solid rgba(45, 212, 191, 0.35);
  color: var(--mist);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Cards */

.card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-top: 2rem;
}

.feature-card {
  padding: 1.35rem 1.3rem 1.45rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(45, 212, 191, 0.45);
  box-shadow: 0 14px 36px rgba(45, 212, 191, 0.12);
  transform: translateY(-2px);
}

.feature-index {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--aqua);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  color: rgba(242, 251, 250, 0.78);
  font-size: 0.96rem;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.about-copy {
  padding: 1.6rem 1.5rem;
}

.about-copy p {
  margin: 0 0 1rem;
  color: rgba(242, 251, 250, 0.86);
}

.disclaimer {
  color: var(--slate) !important;
  font-size: 0.92rem;
  border-top: 1px solid rgba(142, 232, 224, 0.14);
  padding-top: 1rem;
}

/* Privacy */

.policy {
  margin-top: 1.5rem;
  padding: 1.6rem 1.5rem 1.8rem;
}

.policy h3 {
  margin-top: 1.5rem;
  color: var(--mist);
}

.policy p,
.policy li {
  color: rgba(242, 251, 250, 0.82);
}

.policy ul {
  padding-left: 1.2rem;
}

.policy a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-card {
  display: block;
  padding: 1.2rem 1.15rem;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

a.contact-card:hover {
  color: inherit;
  border-color: rgba(45, 212, 191, 0.5);
  transform: translateY(-2px);
}

.contact-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--slate);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-card strong {
  font-family: var(--font-display);
  font-weight: 600;
  word-break: break-word;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(142, 232, 224, 0.12);
  padding: 1.5rem 0 2rem;
  background: rgba(7, 24, 40, 0.55);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.site-footer p {
  margin: 0;
  color: var(--slate);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.1rem;
}

.footer-links a {
  color: var(--mist);
  font-size: 0.9rem;
}

/* Mobile */

@media (max-width: 920px) {
  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .device-card {
    width: min(100%, 280px);
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-grid;
    place-content: center;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1.1rem;
    background: rgba(7, 24, 40, 0.96);
    border-bottom: 1px solid rgba(142, 232, 224, 0.14);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0.4rem;
    border-bottom: 1px solid rgba(142, 232, 224, 0.08);
  }

  .site-nav .btn {
    margin-top: 0.6rem;
    width: 100%;
  }

  .feature-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .feature-card,
  .contact-card {
    transition: none;
  }
}