/* WitherTechGuard — monochrome, graphite glass interface */
:root {
    color-scheme: dark;
    --bg: #070809;
    --panel: rgba(18, 19, 20, .86);
    --text: #f5f6f7;
    --muted: #9b9da1;
    --accent: #e8eaec;
    --line: rgba(255,255,255,.105);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
    position: relative;
    isolation: isolate;
    display: grid;
    place-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 42px 22px;
    overflow-x: hidden;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.045), transparent 48%), var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
body::before {
    position: fixed;
    z-index: -2;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
    content: "";
    pointer-events: none;
}
.ambient {
    position: fixed;
    z-index: -1;
    width: min(46vw, 570px);
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(100px);
    opacity: .13;
    pointer-events: none;
    animation: ambient-float 14s ease-in-out infinite alternate;
}
.ambient--left {
    left: -18%;
    bottom: -36%;
    background: radial-gradient(circle, #777b80 0%, #36393d 38%, transparent 72%);
}
.ambient--right {
    right: -18%;
    top: -32%;
    background: radial-gradient(circle, #74797d 0%, #35383b 38%, transparent 72%);
    animation-delay: -6s;
}
.grid-overlay {
    position: fixed;
    z-index: -1;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 18%, rgba(7,8,9,.65) 100%);
    pointer-events: none;
}
.guard {
    position: relative;
    width: min(100%, 470px);
    padding: 38px 36px 27px;
    overflow: hidden;
    text-align: center;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 25px;
    background: linear-gradient(145deg, rgba(28,29,30,.9), rgba(12,13,14,.92));
    box-shadow: 0 30px 100px rgba(0,0,0,.48), inset 0 1px 0 rgba(255,255,255,.055);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    animation: card-enter .65s cubic-bezier(.2,.8,.2,1) both;
}
.guard::before {
    position: absolute;
    top: 0;
    left: 18%;
    width: 64%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.8), transparent);
    content: "";
}
.guard__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 29px;
    color: #c2c4c7;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .19em;
}
.guard__eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #e7e9eb;
    box-shadow: 0 0 11px rgba(255,255,255,.45);
}
.guard__icon {
    display: grid;
    place-items: center;
    width: 74px;
    height: 74px;
    margin: 0 auto 24px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(255,255,255,.105), rgba(255,255,255,.025));
    color: #f0f1f2;
    box-shadow: 0 0 36px rgba(255,255,255,.035), inset 0 1px 0 rgba(255,255,255,.09);
}
.guard__icon svg { width: 37px; height: 37px; }
.guard__kicker {
    margin: 0 0 12px;
    color: #aeb1b5;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .18em;
}
.guard__title {
    margin: 0;
    color: var(--text);
    font-size: clamp(30px, 7vw, 39px);
    font-weight: 730;
    line-height: 1.12;
    letter-spacing: -.055em;
}
.guard__title span {
    color: transparent;
    background: linear-gradient(95deg, #ffffff 0%, #c6c9cc 100%);
    -webkit-background-clip: text;
    background-clip: text;
}
.guard__description {
    max-width: 350px;
    margin: 17px auto 27px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
}
#captcha-form { display: flex; flex-direction: column; align-items: center; gap: 5px; margin: 0; }
.guard__captcha {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 66px;
    padding: 10px;
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 15px;
    background: rgba(0,0,0,.22);
}
.guard__status { min-height: 20px; margin: 13px 0 0; color: #c4c7ca; font-size: 12px; line-height: 1.6; }
.guard__secure-note { display: flex; justify-content: center; align-items: center; gap: 9px; margin-top: 20px; color: #85888c; font-size: 11px; }
.guard__secure-note strong { color: #c9cbce; font-weight: 600; }
.guard__secure-icon {
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 7px;
    color: #e2e4e6;
    font-size: 12px;
}
.guard__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 27px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: #74777b;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .12em;
}
.guard__footer-line { display: none; }
.guard__footer-brand { color: #c8cacc; font-size: 10px; letter-spacing: -.01em; }
.guard__footer-brand span { color: #fff; }
noscript { position: relative; z-index: 2; margin-top: 16px; color: #ff969f; text-align: center; font-size: 13px; }
@keyframes ambient-float {
    from { transform: translate3d(-2%, 0, 0) scale(.95); }
    to { transform: translate3d(5%, -4%, 0) scale(1.08); }
}
@keyframes card-enter {
    from { opacity: 0; transform: translateY(16px) scale(.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@media (max-width: 520px) {
    body { padding: 22px 14px; }
    .guard { padding: 30px 20px 22px; border-radius: 22px; }
    .guard__eyebrow { margin-bottom: 25px; }
    .guard__icon { width: 67px; height: 67px; border-radius: 20px; margin-bottom: 22px; }
    .guard__description { font-size: 13px; }
    .guard__footer { font-size: 8px; letter-spacing: .08em; }
    .ambient { width: 78vw; filter: blur(75px); opacity: .15; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}
