:root{
    --bg0:#05060a;
    --bg1:#070a12;
    --panel:rgba(10, 16, 24, 0.70);
    --panel2:rgba(10, 16, 24, 0.55);
    --line:rgba(120,255,214,0.18);
    --text:#e8fff7;
    --muted:#a8d9c9;
    --accent:#00ffb3;
    --accent2:#67ffdf;
    --warn:#ffd36b;
    --danger:#ff6b8a;
    --ok:#7dff9a;
    --shadow: 0 12px 40px rgba(0,0,0,.45);
    --radius: 18px;
    --radius2: 12px;
    --max: 1120px;
    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --sans: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
    margin:0;
    font-family: var(--sans);
    color: var(--text);
    background: radial-gradient(1200px 800px at 30% -10%, rgba(0,255,179,0.16), transparent 55%),
    radial-gradient(1100px 700px at 90% 10%, rgba(103,255,223,0.10), transparent 55%),
    radial-gradient(900px 600px at 60% 110%, rgba(255,211,107,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
    min-height: 100vh;
    overflow-x: hidden;
}

/* Subtle scanlines + grid (darknet vibe) */
body::before{
    content:"";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
            repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 2px, transparent 5px),
            repeating-linear-gradient(90deg, rgba(0,255,179,0.06) 0px, rgba(0,255,179,0.06) 1px, transparent 2px, transparent 48px);
    mix-blend-mode: overlay;
    opacity: .55;
}

a{ color: var(--accent2); text-decoration: none; }
a:hover{ text-decoration: underline; }

.skip{
    position:absolute;
    left:-999px; top:auto;
    width:1px; height:1px; overflow:hidden;
}
.skip:focus{
    left: 12px; top: 12px;
    width:auto; height:auto;
    padding: 10px 12px;
    background: rgba(0,0,0,.8);
    border: 1px solid var(--line);
    border-radius: 10px;
    z-index: 9999;
}

header{
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(5,6,10,0.55);
    border-bottom: 1px solid rgba(120,255,214,0.12);
}
.bar{
    max-width: var(--max);
    margin: 0 auto;
    padding: 12px 18px;
    display:flex;
    align-items:center;
    justify-content: space-between;
    gap: 14px;
}

.brand{
    display:flex;
    align-items:center;
    gap: 12px;
    min-width: 220px;
}
.logo{
    width: 34px; height: 34px;
    border-radius: 10px;
    border: 1px solid rgba(120,255,214,0.25);
    background: radial-gradient(circle at 30% 30%, rgba(0,255,179,.35), transparent 55%),
    linear-gradient(180deg, rgba(10,16,24,.9), rgba(10,16,24,.55));
    box-shadow: 0 0 0 3px rgba(0,255,179,0.06);
}
.brand h1{
    margin:0;
    font-size: 14px;
    letter-spacing: .16em;
    text-transform: uppercase;
    font-family: var(--mono);
    opacity: .95;
}
.brand .sub{
    display:block;
    margin-top: 2px;
    font-size: 12px;
    letter-spacing: .02em;
    color: var(--muted);
    font-family: var(--sans);
}

nav{
    display:flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content:flex-end;
}
nav a{
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(120,255,214,0.14);
    background: rgba(10,16,24,0.20);
    text-decoration:none;
    color: var(--text);
    transition: transform .08s ease, border-color .12s ease, background .12s ease;
    white-space: nowrap;
}
nav a:hover{
    border-color: rgba(0,255,179,0.35);
    background: rgba(0,255,179,0.08);
    transform: translateY(-1px);
    text-decoration:none;
}
nav a:focus-visible{
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

main{
    max-width: var(--max);
    margin: 0 auto;
    padding: 22px 18px 70px;
}

.hero{
    min-height: 76vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding: 40px 0 18px;
}
.hero-card{
    width: 100%;
    max-width: 920px;
    background: linear-gradient(180deg, rgba(10,16,24,0.78), rgba(10,16,24,0.48));
    border: 1px solid rgba(120,255,214,0.18);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(18px, 3.4vw, 34px);
    position: relative;
    overflow:hidden;
}
.hero-card::before{
    content:"";
    position:absolute;
    inset:-2px;
    background: radial-gradient(800px 280px at 50% 0%, rgba(0,255,179,0.18), transparent 70%);
    opacity: .9;
    pointer-events:none;
}
.hero-card > *{ position: relative; }

.kicker{
    display:inline-flex;
    gap: 10px;
    align-items:center;
    justify-content:center;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(120,255,214,0.20);
    background: rgba(0,255,179,0.06);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.dot{
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 18px rgba(125,255,154,.45);
    display:inline-block;
}

.hero h2{
    margin: 0 0 10px;
    font-size: clamp(28px, 4.2vw, 44px);
    line-height: 1.05;
    letter-spacing: -0.02em;
    text-shadow: 0 0 24px rgba(0,255,179,0.08);
}
.hero p{
    margin: 0 auto 18px;
    max-width: 70ch;
    color: var(--muted);
    font-size: clamp(14px, 1.65vw, 17px);
    line-height: 1.6;
}

.cta{
    display:flex;
    gap: 12px;
    justify-content:center;
    flex-wrap: wrap;
    margin-top: 12px;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(120,255,214,0.22);
    background: rgba(10,16,24,0.45);
    color: var(--text);
    font-family: var(--mono);
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
    text-decoration:none;
}
.btn.primary{
    background: linear-gradient(180deg, rgba(0,255,179,0.16), rgba(0,255,179,0.06));
    border-color: rgba(0,255,179,0.35);
}
.btn:hover{
    transform: translateY(-1px);
    text-decoration:none;
    border-color: rgba(103,255,223,0.55);
}
.btn:focus-visible{
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.pill-row{
    margin-top: 16px;
    display:flex;
    gap: 10px;
    justify-content:center;
    flex-wrap: wrap;
}
.pill{
    border-radius: 999px;
    border: 1px solid rgba(120,255,214,0.16);
    background: rgba(10,16,24,0.35);
    padding: 8px 10px;
    font-size: 12px;
    color: var(--muted);
    max-width: 100%;
}
.pill b{ color: var(--text); }

section{
    margin-top: 30px;
    padding-top: 10px;
}
.section-title{
    display:flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 10px;
    flex-wrap: wrap;
}
.section-title h3{
    margin:0;
    font-size: 18px;
    letter-spacing: .02em;
}
.section-title .hint{
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    opacity: .95;
}

.panel{
    background: linear-gradient(180deg, rgba(10,16,24,0.70), rgba(10,16,24,0.46));
    border: 1px solid rgba(120,255,214,0.14);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
}

.grid{
    display:grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
}
.col-12{ grid-column: span 12; }
.col-7{ grid-column: span 7; }
.col-5{ grid-column: span 5; }
.col-6{ grid-column: span 6; }
.col-4{ grid-column: span 4; }

@media (max-width: 920px){
    .col-7, .col-5, .col-6, .col-4{ grid-column: span 12; }
    .brand{ min-width: unset; }
}

.cards{
    display:grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
}
.card{
    grid-column: span 4;
    border-radius: var(--radius);
    border: 1px solid rgba(120,255,214,0.14);
    background: rgba(10,16,24,0.46);
    padding: 14px;
    box-shadow: 0 12px 34px rgba(0,0,0,.30);
    overflow:hidden;
}
@media (max-width: 920px){ .card{ grid-column: span 12; } }

.tag{
    display:inline-flex;
    align-items:center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .10em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}
.status{
    display:inline-flex;
    align-items:center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    margin-left: auto;
    font-family: var(--mono);
}
.status .s{
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 16px rgba(125,255,154,.35);
}

.linkbox{
    margin-top: 10px;
    border-radius: var(--radius2);
    border: 1px solid rgba(120,255,214,0.12);
    background: rgba(0,0,0,0.18);
    padding: 12px;
}
.linkbox p{
    display:block;
    color: var(--accent2);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.5;
    overflow-wrap: anywhere;
    word-break: break-word;
    white-space: normal;
    user-select: all; /* mobile: long-press to copy */
}
.meta{
    margin-top: 10px;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.55;
}

.callouts{
    display:grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
    margin-top: 12px;
}
.callout{
    grid-column: span 6;
    border-radius: var(--radius);
    border: 1px solid rgba(120,255,214,0.14);
    background: rgba(10,16,24,0.40);
    padding: 14px;
}
@media (max-width: 920px){ .callout{ grid-column: span 12; } }

.callout h4{
    margin: 0 0 6px;
    font-size: 14px;
    letter-spacing: .02em;
}
.callout p{ margin: 0; color: var(--muted); line-height: 1.65; font-size: 13px; }

.kbd{
    font-family: var(--mono);
    padding: 2px 6px;
    border: 1px solid rgba(120,255,214,0.16);
    background: rgba(0,0,0,0.25);
    border-radius: 8px;
    font-size: 12px;
    color: var(--text);
}

.steps{
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.7;
    font-size: 14px;
}
.steps li{ margin: 6px 0; }

.warning{
    border-left: 4px solid var(--warn);
    background: rgba(255,211,107,0.08);
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255,211,107,0.22);
    color: var(--muted);
    line-height: 1.65;
    margin-top: 12px;
    font-size: 13px;
}
.danger{
    border-left: 4px solid var(--danger);
    background: rgba(255,107,138,0.08);
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255,107,138,0.22);
    color: var(--muted);
    line-height: 1.65;
    margin-top: 12px;
    font-size: 13px;
}
.warning b, .danger b{ color: var(--text); }

pre{
    margin: 10px 0 0;
    padding: 12px;
    border-radius: var(--radius2);
    border: 1px solid rgba(120,255,214,0.12);
    background: rgba(0,0,0,0.20);
    overflow:auto;
    font-family: var(--mono);
    color: #d8fff4;
    line-height: 1.45;
    font-size: 12.5px;
    max-width: 100%;
}

details{
    border: 1px solid rgba(120,255,214,0.14);
    background: rgba(10,16,24,0.40);
    border-radius: var(--radius);
    padding: 10px 12px;
}
details + details{ margin-top: 10px; }
summary{
    cursor: pointer;
    font-family: var(--mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--text);
    list-style: none;
}
summary::-webkit-details-marker{ display:none; }
details[open]{ border-color: rgba(0,255,179,0.26); background: rgba(0,255,179,0.05); }
.answer{
    margin-top: 10px;
    color: var(--muted);
    line-height: 1.7;
    font-size: 14px;
}

footer{
    margin-top: 34px;
    padding-top: 18px;
    border-top: 1px solid rgba(120,255,214,0.14);
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.fine{
    font-family: var(--mono);
    font-size: 12px;
    color: rgba(168,217,201,0.9);
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
    .btn:hover{ transform: none; }
    nav a:hover{ transform: none; }
}