:root {
  color-scheme: dark;
  --ink: #eaf6ff;
  --muted: #a8b8c4;
  --line: rgba(159, 226, 255, 0.18);
  --cyan: #15d8ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(118deg, rgba(0, 93, 120, 0.86) 0%, rgba(9, 22, 30, 0.78) 34%, rgba(5, 7, 9, 0.98) 74%),
    linear-gradient(145deg, #2d3136 0%, #101820 38%, #020405 100%);
}

.open-sans-site {
  font-family: "Open Sans", system-ui, sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "wdth" 100;
}

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

.site-shell {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 92vh;
  padding: clamp(1rem, 2.5vw, 2rem);
  isolation: isolate;
  background:
    radial-gradient(ellipse at 50% 46%, rgba(19, 80, 106, 0.24), transparent 42rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 22%);
}

.hero::before {
  position: absolute;
  inset: auto -6vw 0;
  height: 34%;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.82));
  transform: perspective(520px) rotateX(62deg) translateY(28%);
  transform-origin: bottom;
  opacity: 0.58;
  z-index: -2;
}

.watermark {
  position: absolute;
  top: -6.5rem;
  left: -1vw;
  margin: 0;
  font-size: clamp(7rem, 20vw, 22rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0;
  color: transparent;
  -webkit-text-stroke: 1px rgba(106, 205, 248, 0.18);
  pointer-events: none;
  z-index: -1;
}

.topbar {
  position: relative;
  z-index: 2;
  width: min(78rem, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 2vw, 1.35rem);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(1, 7, 10, 0.6);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.28);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.nav-links {
  gap: 0.55rem;
}

.nav-links a {
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 7px;
  padding: 0.55rem 0.9rem;
  color: #c9d5dc;
  font-size: 0.87rem;
  line-height: 1;
  background: rgba(255, 255, 255, 0.025);
}

.nav-links a:hover,
.nav-cta {
  border-color: rgba(221, 245, 255, 0.42);
  color: #fff;
}

.stage {
  position: relative;
  width: min(92rem, 100%);
  min-height: clamp(33rem, 62vh, 45rem);
  margin: clamp(3rem, 8vh, 6.5rem) auto 0;
  display: grid;
  place-items: center;
}

.hero-panel {
  position: relative;
  width: min(72rem, 100%);
  min-height: clamp(24rem, 43vw, 34rem);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: clamp(3rem, 8vw, 7.2rem);
  background:
    radial-gradient(ellipse at 50% 45%, rgba(26, 97, 126, 0.58), transparent 50%),
    linear-gradient(145deg, rgba(18, 28, 35, 0.74), rgba(2, 6, 8, 0.86));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    inset 0 0 5rem rgba(21, 216, 255, 0.055),
    0 2rem 6rem rgba(0, 0, 0, 0.36);
}

.hero-panel::before,
.hero-panel::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.hero-panel::before {
  inset: 10%;
  border: 1px solid rgba(136, 224, 255, 0.07);
  border-radius: inherit;
}

.hero-panel::after {
  position: absolute;
  right: -1px;
  top: 32%;
  width: 1px;
  height: 28%;
  content: "";
  background: linear-gradient(transparent, var(--cyan), transparent);
  box-shadow: 0 0 18px var(--cyan);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  padding: clamp(2rem, 5vw, 5rem);
  text-align: center;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.6rem, 5.6vw, 5.4rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-content p {
  max-width: 30rem;
  margin: 2.2rem 0 1.8rem;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.35vw, 1.22rem);
  line-height: 1.55;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 4.3rem;
  padding: 0 2.4rem;
  border: 1px solid rgba(224, 246, 255, 0.68);
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 0 30px rgba(0, 198, 255, 0.15);
}

.proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.proof article {
  min-height: 13rem;
  padding: clamp(1.4rem, 3vw, 3rem);
  background: #020608;
}

.proof span {
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.82rem;
}

.proof h2 {
  margin: 1.3rem 0 0.75rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: 0;
}

.proof p {
  max-width: 28rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 800px) {
  .hero {
    min-height: 92vh;
    padding: 0.8rem;
  }

  .topbar {
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-links a {
    min-height: 2rem;
    padding: 0.48rem 0.62rem;
    font-size: 0.76rem;
  }

  .stage {
    min-height: 34rem;
    margin-top: 2rem;
  }

  .hero-panel {
    min-height: 24rem;
    border-radius: 2.4rem;
  }

  h1 {
    font-size: clamp(2.15rem, 10vw, 3.4rem);
  }

  .hero-content p {
    margin: 1.35rem 0 1.25rem;
  }

  .hero-cta {
    min-height: 3.5rem;
    padding: 0 1.5rem;
  }

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

@media (max-width: 520px) {
  .topbar {
    display: grid;
    gap: 0.85rem;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .watermark {
    top: 4.4rem;
  }

  .hero-panel {
    min-height: 26rem;
  }

}