:root {
    --bg: #06060d;
    --surface: #0e0e1a;
    --surface2: #161630;
    --border: #222244;
    --text: #c8c8e0;
    --text2: #7c7ca0;
    --acc: #7c5cfc;
    --acc2: #b4a4ff;
    --grn: #00e676;
    --org: #ff9100;
    --red: #ff5252;
    --cya: #00e5ff;
    --glow: 0 0 30px rgba(124,92,252,0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(6,6,13,0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.nav-inner {
    max-width: 1000px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    font-size: 1.25rem; font-weight: 800;
    background: linear-gradient(135deg, var(--acc), var(--cya));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-links { display: flex; gap: 20px; list-style: none; }
.nav-links a { color: var(--text2); text-decoration: none; font-size: .85rem; font-weight: 500; }
.nav-links a:hover { color: var(--acc2); }

/* Hero */
.hero { text-align: center; padding: 120px 20px 60px; position: relative; }
.hero-logo {
    width: 96px; height: 96px; margin-bottom: 28px;
    animation: float 4s ease-in-out infinite;
    filter: drop-shadow(var(--glow));
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 900;
    background: linear-gradient(135deg, #b4a4ff, #7c5cfc, #00e5ff);
    background-size: 200% 200%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradShift 4s ease infinite;
    margin-bottom: 16px; letter-spacing: -1px;
}
@keyframes gradShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.hero .sub { font-size: 1.1rem; color: var(--text2); max-width: 600px; margin: 0 auto 24px; line-height: 1.7; }

.badges { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--surface2); border: 1px solid var(--border);
    border-radius: 20px; padding: 6px 14px; font-size: .8rem; color: var(--text2);
}
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.p { background: var(--acc); box-shadow: 0 0 8px var(--acc); }
.dot.c { background: var(--cya); box-shadow: 0 0 8px var(--cya); }

/* Hero buttons */
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 12px;
    font-weight: 700; font-size: 1rem; text-decoration: none;
    transition: all .3s; letter-spacing: .3px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--acc), #5a3fd4);
    color: #fff;
    box-shadow: 0 4px 20px rgba(124,92,252,.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 35px rgba(124,92,252,.6); text-decoration: none; }
.btn-outline {
    border: 2px solid var(--acc);
    color: var(--acc2);
}
.btn-outline:hover { background: rgba(124,92,252,.1); transform: translateY(-2px); text-decoration: none; }

/* Sections */
section { margin: 60px 0; }
.sh { text-align: center; margin-bottom: 36px; }
.sh h2 {
    font-size: 1.9rem; font-weight: 800; color: #e8e8ff;
    display: inline-block; position: relative;
}
.sh h2::after {
    content: ''; position: absolute; bottom: -4px; left: 50%;
    transform: translateX(-50%); width: 50px; height: 3px;
    background: var(--acc); border-radius: 2px;
}
.sh p { color: var(--text2); font-size: .9rem; margin-top: 8px; }
h3 { font-size: 1.15rem; color: #d8d8f0; margin: 24px 0 12px; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin: 24px 0; }
.step-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 14px; padding: 24px 20px; text-align: center;
    transition: all .3s; position: relative; overflow: hidden;
}
.step-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--acc), var(--cya));
    transform: scaleX(0); transition: transform .3s;
}
.step-card:hover::before { transform: scaleX(1); }
.step-card:hover {
    border-color: var(--acc); transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.4), var(--glow);
}
.step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--acc), var(--acc2));
    color: #fff; font-weight: 800; font-size: 1.1rem;
    margin-bottom: 14px; box-shadow: 0 4px 15px rgba(124,92,252,.4);
}
.step-card h4 { font-size: .9rem; margin-bottom: 6px; color: #d8d8f0; }
.step-card p { font-size: .8rem; color: var(--text2); }

/* Architecture - styled flow */
.arch-flow {
    display: flex; flex-direction: column; align-items: center; gap: 0;
}
.arch-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 28px;
    text-align: center;
    min-width: 280px;
    transition: all .3s;
    position: relative;
}
.arch-box:hover {
    border-color: var(--acc);
    box-shadow: var(--glow);
    transform: translateY(-2px);
}
.arch-box .arch-label {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--acc2);
    font-weight: 700;
    margin-bottom: 6px;
}
.arch-box .arch-title {
    font-size: 1rem;
    font-weight: 700;
    color: #e8e8ff;
    margin-bottom: 4px;
}
.arch-box .arch-sub {
    font-size: .78rem;
    color: var(--text2);
}
.arch-arrow {
    font-size: 1.5rem;
    color: var(--acc);
    padding: 4px 0;
    animation: bounce 2s ease infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}
.arch-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}
.arch-box-sm {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 20px;
    text-align: center;
    transition: all .2s;
}
.arch-box-sm:hover {
    border-color: var(--acc);
    box-shadow: var(--glow);
}
.arch-box-sm .arch-sm-title {
    font-weight: 700;
    font-size: .85rem;
    color: #d8d8f0;
}
.arch-box-sm .arch-sm-sub {
    font-size: .72rem;
    color: var(--text2);
}

/* Protocol Table */
.twrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { padding: 12px 16px; text-align: left; }
th { background: var(--surface2); font-weight: 700; color: #d8d8f0; font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }
td { background: var(--surface); border-top: 1px solid var(--border); }
tr:hover td { background: var(--surface2); }
.tag { display: inline-block; padding: 3px 10px; border-radius: 10px; font-size: .73rem; font-weight: 600; }
.tbg { background: rgba(0,230,118,.12); color: var(--grn); }
.thg { background: rgba(124,92,252,.12); color: var(--acc2); }
.tmo { background: rgba(255,145,0,.12); color: var(--org); }
.tfs { background: rgba(0,229,255,.12); color: var(--cya); }

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; }
.fi {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 18px 20px;
    display: flex; align-items: flex-start; gap: 14px;
    transition: all .2s;
}
.fi:hover { border-color: var(--acc); box-shadow: var(--glow); }
.fi .ic { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.fi span { font-size: .88rem; line-height: 1.5; }

/* Platforms */
.p-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.p-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 14px; padding: 24px 18px; text-align: center;
    transition: all .3s;
}
.p-card:hover { border-color: var(--acc); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.4), var(--glow); }
.p-ic { font-size: 2.4rem; margin-bottom: 10px; }
.p-nm { font-weight: 700; color: #d8d8f0; margin-bottom: 4px; font-size: 1rem; }
.p-ui { font-size: .78rem; color: var(--text2); }

/* Download / Source links */
.link-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.link-card {
    display: flex; align-items: center; gap: 16px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 14px; padding: 24px; text-decoration: none;
    color: var(--text); transition: all .3s;
}
.link-card:hover {
    border-color: var(--acc); transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.4), var(--glow);
    text-decoration: none;
}
.link-card .lc-icon { font-size: 2.2rem; flex-shrink: 0; }
.link-card .lc-info { flex: 1; }
.link-card .lc-title { font-weight: 700; font-size: 1.05rem; color: #e8e8ff; }
.link-card .lc-desc { font-size: .83rem; color: var(--text2); margin-top: 4px; }
.link-card .lc-arrow { color: var(--acc); font-size: 1.4rem; transition: transform .2s; }
.link-card:hover .lc-arrow { transform: translateX(4px); }

/* Contribute */
.contribute-card {
    background: linear-gradient(135deg, rgba(124,92,252,.1), rgba(0,229,255,.05));
    border: 1px solid var(--acc); border-radius: 14px;
    padding: 32px; text-align: center; transition: all .3s;
}
.contribute-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,.4), var(--glow);
    transform: translateY(-2px);
}
.contribute-card h3 { color: #e8e8ff; font-size: 1.3rem; margin-bottom: 8px; }
.contribute-card p { color: var(--text2); margin-bottom: 20px; font-size: .9rem; }

/* Contributors */
.contrib-grid { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.contrib-card {
    display: flex; align-items: center; gap: 14px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 14px; padding: 16px 22px;
    text-decoration: none; color: var(--text);
    transition: all .3s; min-width: 220px;
}
.contrib-card:hover {
    border-color: var(--acc); transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.4), var(--glow);
    text-decoration: none;
}
.contrib-av {
    width: 52px; height: 52px; border-radius: 50%;
    border: 2px solid var(--border); transition: border-color .3s;
}
.contrib-card:hover .contrib-av { border-color: var(--acc); }
.contrib-info .contrib-nm { font-weight: 700; color: #d8d8f0; font-size: .98rem; }
.contrib-info .contrib-cm { font-size: .78rem; color: var(--acc2); font-weight: 600; }

/* Credits */
.credits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 12px; }
.credit-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 14px; padding: 20px 22px; transition: all .3s;
}
.credit-card:hover {
    border-color: var(--acc); transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.4), var(--glow);
}
.credit-card h4 { font-size: .95rem; margin-bottom: 6px; }
.credit-card h4 a { color: var(--acc2); text-decoration: none; }
.credit-card h4 a:hover { text-decoration: underline; }
.credit-card .cby { font-size: .76rem; color: var(--acc2); margin-bottom: 8px; font-weight: 600; }
.credit-card p { font-size: .83rem; color: var(--text2); line-height: 1.5; }

pre {
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px 20px; overflow-x: auto;
    margin: 12px 0; font-size: .8rem;
}
code { font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', Consolas, monospace; font-size: .8rem; color: #c8c8e0; }

/* CTA */
.cta { text-align: center; margin: 40px 0; }

/* Footer */
footer {
    margin-top: 80px; padding: 32px 0;
    border-top: 1px solid var(--border);
    text-align: center; color: var(--text2); font-size: .83rem;
}
footer .heart { color: var(--red); animation: pulse 1.5s ease infinite; display: inline-block; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.3); } }

a { color: var(--acc2); text-decoration: none; }
a:hover { color: #ccc0ff; text-decoration: underline; }

@media (max-width: 640px) {
    .hero { padding: 100px 16px 40px; }
    .hero h1 { font-size: 1.9rem; }
    .steps { grid-template-columns: 1fr; }
    .p-grid { grid-template-columns: 1fr 1fr; }
    .link-cards { grid-template-columns: 1fr; }
    .nav-links { gap: 12px; }
    .nav-links a { font-size: .78rem; }
    .arch-row { flex-direction: column; align-items: center; }
}
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }