@import url("https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

:root {
  --dark: #070707;
  --light: #ffffff80;
  --blue: #1e90ff;
  --green: #0f9856;
  --red: #ff4500;
  --yellow: #ffd700;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  font-size: 19px;
}

body {
  margin: 0;
  padding: 0;
  background-color: #070707;
  font-family: "Barlow", sans-serif;
  color: var(--light);
}

* {
  box-sizing: border-box;
  text-decoration: none;
}

h1 {
  text-transform: uppercase;
  font-size: 5rem;
}

.outline {
  color: transparent;
  -webkit-text-stroke: 1px #ffffff80;
}

.monospace {
  font-family: monospace;
}

.container {
  max-width: 90vw;
  margin: 0 auto;
}

.cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

/* Feature Visual */
.feature-visual {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;

  @media (max-width: 680px) {
    width: 180px;
    height: 180px;
  }
}

.feature-visual__canvas {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 320px;
  pointer-events: none;

  @media (max-width: 680px) {
    width: 260px;
    height: 260px;
  }
}

.feature-visual__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  animation: aud-pulse-ring 2.4s ease-out infinite;
}

.feature-visual__ring--two {
  transform: scale(1.35);
  border-color: rgba(var(--accent-rgb), 0.16);
  animation-duration: 3.3s;
  animation-delay: 0.5s;
}

.feature-visual__ring--three {
  transform: scale(1.72);
  border-color: rgba(var(--accent-rgb), 0.1);
  animation-duration: 4.2s;
  animation-delay: 1s;
}

.feature-visual__glow {
  position: absolute;
  inset: -40%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(var(--accent-rgb), 0.18) 0%,
    rgba(var(--accent-rgb), 0.04) 45%,
    transparent 70%
  );
  animation: aud-shield-breathe 3.5s ease-in-out infinite;
}

.feature-visual__core {
  position: relative;
  z-index: 2;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 35% 35%,
    rgba(var(--accent-rgb), 0.12),
    rgba(0, 0, 0, 0.92)
  );
  border: 1.5px solid rgba(var(--accent-rgb), 0.6);
  box-shadow: rgba(var(--accent-rgb), 0.06) 0px 0px 0px 6px,
    rgba(var(--accent-rgb), 0.35) 0px 0px 48px,
    rgba(var(--accent-rgb), 0.08) 0px 0px 32px inset;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: aud-shield-breathe 3.5s ease-in-out infinite;
}

.feature-visual__icon {
  width: 56px;
  height: 56px;
  display: block;
}

@keyframes aud-pulse-ring {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.4);
  }
}

@keyframes aud-shield-breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.04);
    opacity: 1;
  }
}