@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;
}

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;
    }
}