:root {
    --black: #070907;
    --soft: #0d100d;
    --raised: #121612;
    --acid: #b7ff00;
    --paper: #f0f2e9;
    --white: #fbfcf6;
    --muted: #a2a89e;
    --line: rgba(183, 255, 0, 0.24);
    --line-white: rgba(240, 242, 233, 0.16);
    --display: "Bebas Neue", sans-serif;
    --modula: "modula-sans", "Bebas Neue", sans-serif;
    --body: "DM Sans", sans-serif;
    --meta: "Barlow Condensed", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body {
    margin: 0;
    background:
        radial-gradient(circle at 85% 5%, rgba(183,255,0,0.07), transparent 32rem),
        var(--black);
    color: var(--paper);
    font-family: var(--body);
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
::selection { background: var(--acid); color: var(--black); }

.df-shell { width: min(1420px, calc(100% - 2rem)); margin: 0 auto; }
.df-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--line);
    background: rgba(7,9,7,0.95);
    backdrop-filter: blur(16px);
}
.df-header-top {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
.df-brand { display: inline-flex; align-items: center; gap: 0.75rem; }
.df-brand-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--acid);
    box-shadow: 0 0 18px var(--acid);
}
.df-brand strong { font: 400 1.5rem var(--modula); letter-spacing: 0.04em; }
.df-brand small { color: var(--acid); font: 600 0.58rem var(--meta); letter-spacing: 0.17em; text-transform: uppercase; }
.df-ndlc { color: var(--muted); font: 600 0.61rem var(--meta); letter-spacing: 0.16em; text-transform: uppercase; }
.df-nav-wrap { border-top: 1px solid var(--line-white); }
.df-nav {
    min-height: 48px;
    display: flex;
    align-items: center;
    gap: clamp(1.3rem, 3vw, 3rem);
    overflow-x: auto;
    scrollbar-width: none;
}
.df-nav::-webkit-scrollbar { display: none; }
.df-nav a {
    flex: 0 0 auto;
    color: var(--muted);
    font: 600 0.76rem var(--meta);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.df-nav a:hover, .df-nav a:focus-visible, .df-nav a[aria-current="page"] { color: var(--acid); }
.df-nav .df-tool-link { color: var(--black); background: var(--acid); padding: 0.55rem 0.8rem; }

.df-page-head { padding: clamp(4rem, 9vw, 9rem) 0 clamp(3rem, 6vw, 6rem); border-bottom: 1px solid var(--line); }
.df-kicker { margin: 0; color: var(--acid); font: 600 0.71rem var(--meta); letter-spacing: 0.2em; text-transform: uppercase; }
.df-page-head h1 {
    max-width: 1200px;
    margin: 1.4rem 0 1.5rem;
    color: var(--white);
    font: 400 clamp(6rem, 14vw, 14rem)/0.75 var(--modula);
    letter-spacing: -0.02em;
    text-transform: uppercase;
}
.df-page-head .df-intro { max-width: 930px; margin: 0; font-size: clamp(1.15rem, 2vw, 1.55rem); line-height: 1.62; }
.df-page-head .df-intro strong { color: var(--acid); font-weight: 500; }

.df-section { padding: clamp(4rem, 7vw, 7rem) 0; border-bottom: 1px solid var(--line-white); }
.df-section-head { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: clamp(2rem, 5vw, 6rem); margin-bottom: 3rem; }
.df-section-head h2 { margin: 0; color: var(--white); font: 400 clamp(3.5rem, 7vw, 7rem)/0.9 var(--display); text-transform: uppercase; }
.df-section-head h2 span { color: var(--acid); }

.df-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-right: 1px solid var(--line); }
.df-card {
    min-height: 340px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(1.6rem, 3vw, 3rem);
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(13,16,13,0.8);
}
.df-card:hover { background: rgba(183,255,0,0.045); }
.df-card-meta, .df-label { color: var(--acid); font: 600 0.69rem var(--meta); letter-spacing: 0.17em; text-transform: uppercase; }
.df-card h2, .df-card h3 { margin: 1.25rem 0 0; color: var(--white); font: 400 clamp(2.8rem, 4.4vw, 4.8rem)/0.93 var(--display); text-transform: uppercase; }
.df-card p { margin: 1.3rem 0 0; color: var(--muted); font-size: 0.92rem; line-height: 1.65; }
.df-state { margin-top: 2rem; color: var(--paper); font: 600 0.64rem var(--meta); letter-spacing: 0.14em; text-transform: uppercase; }
.df-state.live { color: var(--acid); }

.df-feature { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr); border: 1px solid var(--line); background: var(--soft); }
.df-feature-copy { padding: clamp(2rem, 5vw, 5rem); border-right: 1px solid var(--line); }
.df-feature h2 { max-width: 950px; margin: 1.3rem 0 1.5rem; color: var(--white); font: 400 clamp(3.6rem, 6.4vw, 6.4rem)/0.9 var(--display); text-transform: uppercase; }
.df-feature p { max-width: 820px; margin: 0; color: var(--paper); font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.66; }
.df-feature-art { min-height: 490px; display: flex; align-items: flex-end; padding: 2rem; overflow: hidden; background: radial-gradient(circle at 55% 45%, rgba(183,255,0,0.22), transparent 8rem), repeating-radial-gradient(circle at 55% 45%, transparent 0 42px, rgba(183,255,0,0.13) 43px 44px), var(--black); }
.df-feature-art p { margin: 0; color: var(--paper); font: 400 clamp(5rem, 10vw, 10rem)/0.72 var(--modula); text-transform: uppercase; }
.df-button { display: inline-flex; align-items: center; min-height: 50px; margin-top: 2rem; padding: 0 1.1rem; border: 1px solid var(--acid); background: var(--acid); color: var(--black); font: 700 0.68rem var(--meta); letter-spacing: 0.16em; text-transform: uppercase; }
.df-button:hover, .df-button:focus-visible { background: transparent; color: var(--acid); }

.df-prose { max-width: 900px; }
.df-prose h2 { margin: 4rem 0 1rem; color: var(--white); font: 400 clamp(3rem, 5vw, 5.4rem)/0.92 var(--display); text-transform: uppercase; }
.df-prose p, .df-prose li { color: var(--paper); font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.82; }
.df-prose strong { color: var(--acid); }
.df-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-right: 1px solid var(--line); }
.df-step { min-height: 260px; padding: 2rem; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.df-step h3 { margin: 1rem 0 0; color: var(--white); font: 400 3rem/0.95 var(--display); text-transform: uppercase; }
.df-step p { color: var(--muted); line-height: 1.65; }

.df-lab { display: grid; grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr); border: 1px solid var(--line); background: var(--soft); }
.df-lab-input, .df-lab-output { padding: clamp(2rem, 4vw, 4rem); }
.df-lab-input { border-right: 1px solid var(--line); }
.df-question-label { display: block; margin-bottom: 0.9rem; color: var(--acid); font: 600 0.7rem var(--meta); letter-spacing: 0.18em; text-transform: uppercase; }
.df-question-field { width: 100%; min-height: 62px; padding: 1rem; border: 1px solid rgba(240,242,233,0.28); border-radius: 0; outline: 0; background: rgba(255,255,255,0.035); color: var(--white); }
.df-question-field:focus { border-color: var(--acid); box-shadow: 0 0 0 1px var(--acid); }
.df-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.df-chip, .df-copy { padding: 0.55rem 0.7rem; border: 1px solid var(--line-white); background: transparent; color: var(--muted); cursor: pointer; font: 600 0.63rem var(--meta); letter-spacing: 0.09em; text-transform: uppercase; }
.df-chip:hover, .df-copy:hover { border-color: var(--acid); color: var(--acid); }
.df-submit { width: 100%; min-height: 58px; margin-top: 1.4rem; border: 1px solid var(--acid); background: var(--acid); color: var(--black); cursor: pointer; font: 700 0.7rem var(--meta); letter-spacing: 0.17em; text-transform: uppercase; }
.df-submit:disabled { opacity: 0.55; cursor: wait; }
.df-note { color: var(--muted); font-size: 0.78rem; line-height: 1.65; }
.df-output-status { margin: 0 0 1.5rem; color: var(--acid); font: 600 0.7rem var(--meta); letter-spacing: 0.18em; text-transform: uppercase; }
.df-output-lead { margin: 0; color: var(--white); font: 400 clamp(2.4rem, 4vw, 4.5rem)/0.93 var(--display); text-transform: uppercase; }
.df-generated { display: grid; grid-template-columns: 38px minmax(0,1fr); gap: 1rem; padding-top: 1.2rem; margin-top: 1.2rem; border-top: 1px solid var(--line); }
.df-generated span { color: var(--acid); font: 600 0.68rem var(--meta); }
.df-generated p { margin: 0; font-size: 1.08rem; font-weight: 600; line-height: 1.45; }
.df-generated small { display: block; margin-top: 0.45rem; color: var(--muted); line-height: 1.55; }
.df-output-detail { color: var(--muted); line-height: 1.7; }
.df-output-detail strong { color: var(--acid); font: 600 0.68rem var(--meta); letter-spacing: 0.13em; text-transform: uppercase; }
.df-output-tools { display: none; margin-top: 1.5rem; }.df-output-tools.visible { display: block; }
.df-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.df-footer { padding: 2.3rem max(1rem, calc((100vw - 1420px)/2)); display: flex; justify-content: space-between; gap: 2rem; color: var(--muted); font: 600 0.61rem var(--meta); letter-spacing: 0.14em; text-transform: uppercase; }
.df-footer a:hover { color: var(--acid); }
:focus-visible { outline: 3px solid var(--acid); outline-offset: 4px; }

@media (max-width: 950px) {
    .df-grid, .df-steps { grid-template-columns: 1fr 1fr; }
    .df-feature, .df-lab { grid-template-columns: 1fr; }
    .df-feature-copy, .df-lab-input { border-right: 0; border-bottom: 1px solid var(--line); }
    .df-section-head { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 650px) {
    .df-shell { width: min(100% - 1rem, 1420px); }
    .df-header-top { min-height: 64px; }
    .df-brand small, .df-ndlc { display: none; }
    .df-nav { gap: 1.4rem; }
    .df-nav .df-tool-link { margin-left: 0; }
    .df-page-head { padding-top: 4rem; }
    .df-page-head h1 { font-size: clamp(5rem, 25vw, 8rem); }
    .df-grid, .df-steps { grid-template-columns: 1fr; }
    .df-card { min-height: 270px; }
    .df-feature-art { min-height: 280px; }
    .df-lab-input, .df-lab-output { padding: 2rem 1.2rem; }
    .df-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }