:root {
    --bg: #020202;
    --acc: #00ffcc;
    --acc-soft: rgba(0, 255, 204, 0.08);
    --border: rgba(255, 255, 255, 0.06);
    --text: #ffffff;
    --text-dim: #777;
    --font-mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    background: var(--bg); color: var(--text); 
    font-family: 'Inter', sans-serif; line-height: 1.6;
    overflow-x: hidden;
}

.mesh-bg {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 255, 204, 0.03) 0, transparent 40%), 
        radial-gradient(at 100% 100%, rgba(0, 255, 204, 0.02) 0, transparent 40%);
    z-index: -1;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

header {
    height: 90px; display: flex; align-items: center;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px); position: sticky; top: 0; z-index: 1000;
}

.logo { font-family: var(--font-mono); font-weight: 900; font-size: 1.3rem; }
.logo span { color: var(--acc); }

nav a {
    color: var(--text-dim); text-decoration: none; font-size: 0.75rem;
    font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
    margin-left: 2rem; transition: 0.3s;
}
nav a:hover { color: var(--acc); }

.hero { padding: 15vh 0 10vh; }
h1 { font-size: clamp(3rem, 7vw, 7rem); line-height: 0.9; font-weight: 900; letter-spacing: -4px; margin-bottom: 2rem; }
.accent { color: var(--acc); text-shadow: 0 0 40px rgba(0, 255, 204, 0.2); }

.tagline { font-family: var(--font-mono); color: var(--acc); font-size: 0.75rem; letter-spacing: 5px; margin-bottom: 2rem; }
.hero-desc { font-size: 1.3rem; color: var(--text-dim); max-width: 600px; margin-bottom: 4rem; }

.main-stats { display: flex; gap: 3rem; font-family: var(--font-mono); }
.mini-stat span { color: var(--acc); font-weight: 700; margin-right: 0.5rem; }
.mini-stat { font-size: 0.8rem; color: var(--text-dim); }

.section { padding: 120px 0; border-top: 1px solid var(--border); }
.section-header { text-align: left; margin-bottom: 4rem; max-width: 800px; }
.section-subtitle { font-size: 1.2rem; color: var(--text-dim); margin-top: 1rem; }

.requirement-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.req-card { background: #080808; padding: 2.5rem; border: 1px solid var(--border); border-radius: 12px; transition: 0.4s; }
.req-card:hover { border-color: var(--acc); transform: translateY(-5px); }
.req-card.featured { border-color: rgba(0, 255, 204, 0.3); background: rgba(0, 255, 204, 0.02); }

.req-head { font-family: var(--font-mono); font-size: 0.8rem; color: var(--acc); margin-bottom: 1.5rem; display: block; }
.req-head span { opacity: 0.5; margin-right: 1rem; }

.req-features { list-style: none; margin-top: 2rem; }
.req-features li { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 0.5rem; padding-left: 1.5rem; position: relative; }
.req-features li::before { content: "›"; position: absolute; left: 0; color: var(--acc); }

.bg-alt { background: #050505; }
.section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
.reverse { direction: rtl; }
.reverse .text-side { direction: ltr; }

.step-num { font-family: var(--font-mono); font-weight: 900; font-size: 5rem; color: var(--acc); opacity: 0.03; display: block; margin-bottom: -2.5rem; }
h2 { font-size: 3.2rem; font-weight: 900; letter-spacing: -2px; margin-bottom: 1.5rem; }

.pill-group { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 2rem; }
.pill { padding: 0.5rem 1rem; border: 1px solid var(--border); border-radius: 4px; font-size: 0.7rem; font-weight: 700; color: var(--text-dim); }

.integration-map { background: #000; border: 1px solid var(--border); border-radius: 20px; padding: 4rem 2rem; }
.map-row { display: flex; align-items: center; justify-content: center; gap: 1rem; }
.map-node { padding: 1rem 1.5rem; border: 1px solid var(--border); font-size: 0.8rem; color: var(--text-dim); }
.map-node.active { border-color: var(--acc); color: var(--acc); background: var(--acc-soft); }
.map-line { height: 1px; width: 30px; background: var(--border); }

.impact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 4rem; }
.impact-card { background: #080808; padding: 2.5rem; border: 1px solid var(--border); border-radius: 12px; transition: 0.4s; text-align: left; }
.impact-card:hover { border-color: var(--acc); transform: translateY(-3px); }
.impact-id { font-family: var(--font-mono); color: var(--acc); font-size: 0.8rem; display: block; margin-bottom: 1rem; }

footer { padding: 80px 0; border-top: 1px solid var(--border); text-align: center; font-size: 0.7rem; color: #222; }

@media (max-width: 900px) {
    .section-grid { grid-template-columns: 1fr; gap: 4rem; }
    h1 { font-size: 2.8rem; }
}