/* =========================================================
 * IRCXNet — main website
 * ========================================================= */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
    /* surfaces */
    --bg:        #000000;
    --bg1:       #060609;
    --bg2:       #0d0d16;
    --bg3:       #121220;
    --bg4:       #181828;
    --surface:   rgba(255,255,255,0.03);

    /* borders */
    --border:    rgba(255,255,255,0.07);
    --border-hi: rgba(255,255,255,0.12);
    --border-act:rgba(0,204,0,0.3);

    /* accent = green by default, overridden per-theme */
    --accent:    #00cc00;
    --accent-hi: #00ff00;
    --accent-dim:rgba(0,204,0,0.15);

    /* text */
    --text:      #c8c8d8;
    --text-mid:  #888899;
    --text-dim:  #4a4a6a;
    --bright:    #ffffff;

    /* semantic colours */
    --cyan:    #00aaaa;
    --bcyan:   #00ffff;
    --yellow:  #aaaa00;
    --red:     #cc3333;
    --dim:     #303050;

    /* fonts */
    --font-mono: 'Source Code Pro', 'Consolas', 'Fira Code', monospace;
    --font-ui:   system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius:    5px;
    --radius-lg: 10px;
    --radius-xl: 14px;
}

/* ── Theme overrides — per data-theme ─────────────────── */
[data-theme="daylight"]  { --bg:#f6f8fa; --bg1:#eaeef2; --bg2:#dde3ea; --bg3:#d0d7de; --bg4:#c9d1d9; --border:rgba(0,0,0,0.1); --border-hi:rgba(0,0,0,0.18); --accent:#0969da; --accent-hi:#0550ae; --accent-dim:rgba(9,105,218,0.1); --text:#24292f; --text-mid:#57606a; --text-dim:#8c959f; --bright:#000000; --cyan:#0550ae; --bcyan:#0969da; --dim:rgba(0,0,0,0.08); }
[data-theme="slate"]     { --bg:#0d1117; --bg1:#161b22; --bg2:#1c2128; --bg3:#21262d; --bg4:#30363d; --border:rgba(255,255,255,0.08); --border-hi:rgba(255,255,255,0.13); --accent:#7c6aff; --accent-hi:#a58bff; --accent-dim:rgba(124,106,255,0.12); --text:#c9d1d9; --text-mid:#8b949e; --text-dim:#484f58; --bright:#f0f6fc; }
[data-theme="abyss"]     { --bg:#050508; --bg1:#09090f; --bg2:#0e0e18; --bg3:#131320; --bg4:#181828; --accent:#7c5cfc; --accent-hi:#a480ff; --accent-dim:rgba(124,92,252,0.13); --text:#b8b8d0; --text-mid:#787890; --text-dim:#404060; --bright:#e8e8ff; }
[data-theme="amnesia"]   { --bg:#07070f; --bg1:#0c0c18; --bg2:#101022; --bg3:#16162c; --bg4:#1c1c36; --accent:#00d8e8; --accent-hi:#44eeff; --accent-dim:rgba(0,216,232,0.12); --text:#c0d0e0; --text-mid:#7090a0; --text-dim:#3a4a58; --bright:#e0f8ff; --cyan:#00d8e8; --bcyan:#44eeff; }
[data-theme="amber"]     { --bg:#0d0c07; --bg1:#111008; --bg2:#17150a; --bg3:#1d1a0c; --bg4:#24200f; --accent:#f59e0b; --accent-hi:#fbbf24; --accent-dim:rgba(245,158,11,0.12); --text:#d0c8a8; --text-mid:#908060; --text-dim:#504030; --bright:#fff8e0; --cyan:#d97706; }
[data-theme="cobalt"]    { --bg:#03080f; --bg1:#060d18; --bg2:#0a1322; --bg3:#0f1a2c; --bg4:#142036; --accent:#0099cc; --accent-hi:#00bbff; --accent-dim:rgba(0,153,204,0.12); --text:#b8d0e8; --text-mid:#6890b0; --text-dim:#304860; --bright:#d8f0ff; --cyan:#0099cc; }
[data-theme="crackrock"] { --bg:#000000; --bg1:#070007; --bg2:#0e000e; --bg3:#140014; --bg4:#1a001a; --accent:#ff00ff; --accent-hi:#ff66ff; --accent-dim:rgba(255,0,255,0.1); --text:#d8b8d8; --text-mid:#906090; --text-dim:#502050; --bright:#ffccff; }
[data-theme="dracula"]   { --bg:#1a1b26; --bg1:#1e1f2e; --bg2:#24253a; --bg3:#2a2b42; --bg4:#303148; --accent:#bd93f9; --accent-hi:#cca9fa; --accent-dim:rgba(189,147,249,0.12); --text:#c8cce8; --text-mid:#8890b8; --text-dim:#505878; --bright:#f8f8f2; }
[data-theme="forest"]    { --bg:#0c110d; --bg1:#101610; --bg2:#151d15; --bg3:#1a241a; --bg4:#202c20; --accent:#4ade80; --accent-hi:#86efac; --accent-dim:rgba(74,222,128,0.1); --text:#b8d0b8; --text-mid:#709070; --text-dim:#385038; --bright:#f0fff4; --cyan:#22d3ee; }
[data-theme="gruvbox"]   { --bg:#1d2021; --bg1:#222526; --bg2:#28292a; --bg3:#2e3030; --bg4:#353737; --accent:#b8bb26; --accent-hi:#e0e44e; --accent-dim:rgba(184,187,38,0.1); --text:#d4be98; --text-mid:#9d8672; --text-dim:#5c5248; --bright:#fbf1c7; }
[data-theme="lava"]      { --bg:#0d0906; --bg1:#120d08; --bg2:#18110a; --bg3:#1e160c; --bg4:#251b0e; --accent:#f97316; --accent-hi:#fb923c; --accent-dim:rgba(249,115,22,0.12); --text:#d0c0a8; --text-mid:#907060; --text-dim:#503020; --bright:#fff7ed; }
[data-theme="midnight"]  { --bg:#0a0c12; --bg1:#0f1118; --bg2:#14171f; --bg3:#1a1d26; --bg4:#20242e; --accent:#3b9eff; --accent-hi:#74b9ff; --accent-dim:rgba(59,158,255,0.12); --text:#b8c8e8; --text-mid:#6880a8; --text-dim:#384868; --bright:#e8f4ff; --cyan:#3b9eff; }
[data-theme="monokai"]   { --bg:#1a1a18; --bg1:#1f1f1d; --bg2:#252522; --bg3:#2b2b28; --bg4:#31312e; --accent:#a6e22e; --accent-hi:#c4f04a; --accent-dim:rgba(166,226,46,0.1); --text:#d8d0b8; --text-mid:#908870; --text-dim:#504a30; --bright:#f8f8f2; }
[data-theme="neon"]      { --bg:#060d06; --bg1:#0a120a; --bg2:#0f1a0f; --bg3:#142214; --bg4:#192c19; --accent:#00ff88; --accent-hi:#44ffaa; --accent-dim:rgba(0,255,136,0.1); --text:#b8d8b8; --text-mid:#68a068; --text-dim:#305030; --bright:#e0ffe8; }
[data-theme="nord"]      { --bg:#1a1f2a; --bg1:#1e2330; --bg2:#232938; --bg3:#2a3040; --bg4:#303848; --accent:#a3be8c; --accent-hi:#bdd6a8; --accent-dim:rgba(163,190,140,0.1); --text:#d8e0e8; --text-mid:#8898a8; --text-dim:#485868; --bright:#eceff4; }
[data-theme="obsidian"]  { --bg:#0a0f0c; --bg1:#0f1411; --bg2:#141a16; --bg3:#1a211c; --bg4:#202822; --accent:#10b981; --accent-hi:#34d399; --accent-dim:rgba(16,185,129,0.1); --text:#b8d0c0; --text-mid:#689080; --text-dim:#385048; --bright:#ecfdf5; }
[data-theme="ocean"]     { --bg:#060e18; --bg1:#0a1420; --bg2:#0f1c2c; --bg3:#142438; --bg4:#192c44; --accent:#22d3ee; --accent-hi:#67e8f9; --accent-dim:rgba(34,211,238,0.1); --text:#b8d8e8; --text-mid:#6898b0; --text-dim:#305070; --bright:#e0f8ff; --cyan:#22d3ee; }
[data-theme="osiris"]    { --bg:#030611; --bg1:#070a18; --bg2:#0c1020; --bg3:#121628; --bg4:#181e32; --accent:#6080ff; --accent-hi:#8099ff; --accent-dim:rgba(96,128,255,0.12); --text:#b0c0e0; --text-mid:#6070a0; --text-dim:#303870; --bright:#d0d8ff; }
[data-theme="rosepine"]  { --bg:#191724; --bg1:#1e1b2e; --bg2:#242038; --bg3:#2a2642; --bg4:#302c4c; --accent:#eb6f92; --accent-hi:#f0a0b2; --accent-dim:rgba(235,111,146,0.12); --text:#d0c0d8; --text-mid:#9080a0; --text-dim:#504870; --bright:#f5e0e8; }
[data-theme="sakura"]    { --bg:#110d14; --bg1:#16101a; --bg2:#1c1520; --bg3:#231b28; --bg4:#2a2130; --accent:#f472b6; --accent-hi:#f9a8d4; --accent-dim:rgba(244,114,182,0.12); --text:#d0b8cc; --text-mid:#9070a0; --text-dim:#503060; --bright:#fde8f4; }
[data-theme="solarized"] { --bg:#001e26; --bg1:#002b36; --bg2:#073642; --bg3:#0d404e; --bg4:#144a58; --accent:#859900; --accent-hi:#aabb00; --accent-dim:rgba(133,153,0,0.12); --text:#8ea8a0; --text-mid:#586e75; --text-dim:#304a50; --bright:#fdf6e3; --cyan:#2aa198; }
[data-theme="synthwave"] { --bg:#0d0015; --bg1:#12001e; --bg2:#180028; --bg3:#1e0032; --bg4:#24003c; --accent:#ff2d95; --accent-hi:#ff6ec7; --accent-dim:rgba(255,45,149,0.12); --text:#d0a8d0; --text-mid:#a06090; --text-dim:#602060; --bright:#ffe8ff; }
[data-theme="terminus"]  { --bg:#000500; --bg1:#030803; --bg2:#060d06; --bg3:#0a120a; --bg4:#0f180f; --accent:#00c832; --accent-hi:#00ff44; --accent-dim:rgba(0,200,50,0.12); --text:#b8d0b8; --text-mid:#689068; --text-dim:#305030; --bright:#e8ffe8; }
[data-theme="vapor"]     { --bg:#140e24; --bg1:#1a1230; --bg2:#20183c; --bg3:#261e48; --bg4:#2c2454; --accent:#ff6ec7; --accent-hi:#ffaadd; --accent-dim:rgba(255,110,199,0.12); --text:#d0b8d0; --text-mid:#9070b0; --text-dim:#503070; --bright:#ffe8ff; }

/* ── Scanlines — hidden on light themes ─────────────────── */
body::before {
    content: '';
    position: fixed; inset: 0; pointer-events: none; z-index: 9999;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.04) 2px, rgba(0,0,0,0.04) 4px);
}
[data-theme="daylight"] body::before { display: none; }

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 58px; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    transition: background 0.25s, color 0.25s;
    -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hi); }
button, a { touch-action: manipulation; }
code {
    font-family: var(--font-mono);
    font-size: 0.87em;
    color: var(--accent-hi);
    background: var(--accent-dim);
    padding: 1px 5px;
    border-radius: 3px;
}

/* ── Nav ──────────────────────────────────────────────── */
.nav {
    position: sticky; top: 0; z-index: 200;
    background: rgba(0,0,0,0.88);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px) saturate(1.4);
    transition: box-shadow 0.2s;
}
[data-theme="daylight"] .nav { background: rgba(246,248,250,0.92); }
.nav-inner {
    max-width: 1160px; margin: 0 auto;
    padding: 0 28px; height: 54px;
    display: flex; align-items: center; gap: 28px;
}
.nav-logo {
    font-family: var(--font-mono);
    font-size: 1em; font-weight: 700;
    color: var(--accent-hi) !important;
    letter-spacing: 0.1em;
    white-space: nowrap;
}
.bracket { color: var(--text-dim); }
.nav-links {
    display: flex; align-items: center; gap: 24px;
    margin-left: auto;
}
.nav-links a {
    font-size: 0.82em; font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.02em;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--text-mid); }
.nav-link-accent { color: var(--accent) !important; font-family: var(--font-mono); font-size: 0.78em !important; }
.nav-link-accent:hover { color: var(--accent-hi) !important; }
.nav-cta {
    font-family: var(--font-mono) !important;
    font-size: 0.78em !important; font-weight: 700 !important;
    color: var(--accent-hi) !important;
    border: 1px solid var(--accent);
    padding: 5px 16px; border-radius: var(--radius);
    letter-spacing: 0.04em;
    transition: background 0.15s, box-shadow 0.15s !important;
}
.nav-cta:hover {
    background: var(--accent-dim) !important;
    box-shadow: 0 0 14px var(--accent-dim);
    color: var(--accent-hi) !important;
}
.nav-burger {
    display: none; background: none; border: none;
    cursor: pointer; padding: 6px;
    flex-direction: column; gap: 5px;
}
.nav-burger span {
    display: block; width: 22px; height: 2px;
    background: var(--text-mid); border-radius: 2px;
    transition: all 0.2s;
}

/* ── Hero ─────────────────────────────────────────────── */
.hero {
    position: relative;
    padding: 100px 28px 96px;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.hero-bg-grid {
    position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(circle, var(--dim) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.4;
}
.hero-bg-glow {
    position: absolute; pointer-events: none; border-radius: 50%;
    filter: blur(80px);
}
.hero-bg-glow--1 {
    width: 700px; height: 400px;
    top: -150px; left: 50%; transform: translateX(-50%);
    background: radial-gradient(ellipse, var(--accent) 0%, transparent 70%);
    opacity: 0.05;
}
.hero-bg-glow--2 {
    width: 500px; height: 300px;
    bottom: -100px; right: -100px;
    background: radial-gradient(ellipse, var(--cyan) 0%, transparent 70%);
    opacity: 0.03;
}
.hero-inner {
    position: relative; z-index: 1;
    max-width: 820px; margin: 0 auto;
    display: flex; flex-direction: column; align-items: center; text-align: center;
}

/* Status bar */
.hero-status {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--accent-dim);
    border: 1px solid var(--border-act);
    border-radius: 20px;
    padding: 5px 14px;
    font-family: var(--font-mono); font-size: 11px;
    color: var(--accent);
    margin-bottom: 32px;
    flex-wrap: wrap; justify-content: center;
}
.status-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent);
    animation: pulse 2.4s ease-in-out infinite;
    flex-shrink: 0;
}
.status-text { color: var(--accent); }
.status-sep  { color: var(--text-dim); }
.status-stat { display: flex; align-items: center; gap: 4px; color: var(--text-mid); }

/* Wordmark */
.hero-wordmark {
    font-family: var(--font-mono);
    font-size: clamp(56px, 9vw, 90px);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: var(--bright);
    text-shadow: 0 0 60px var(--accent-dim);
    margin-bottom: 22px;
}

/* Tagline */
.hero-tagline {
    font-size: 1.05em;
    color: var(--text-mid);
    line-height: 1.75;
    max-width: 520px;
    margin-bottom: 36px;
}

/* CTA buttons */
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 52px; }

/* Stat row */
.hero-stats {
    display: flex; align-items: center; gap: 0;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 24px;
    width: 100%; max-width: 520px;
}
.hero-stat {
    flex: 1; padding: 16px 20px; text-align: center;
}
.hero-stat-val {
    font-family: var(--font-mono);
    font-size: 1.15em; font-weight: 700;
    color: var(--accent-hi);
    line-height: 1;
    margin-bottom: 5px;
}
.hero-stat-lbl {
    font-size: 0.72em;
    color: var(--text-dim);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.hero-stat-div {
    width: 1px; background: var(--border); align-self: stretch;
    flex-shrink: 0;
}

/* Tech badges */
.hero-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.badge {
    font-family: var(--font-mono);
    font-size: 10px; letter-spacing: 0.06em;
    color: var(--text-dim);
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 8px;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    font-family: var(--font-mono);
    font-size: 0.84em; font-weight: 700;
    letter-spacing: 0.04em;
    padding: 11px 24px; border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer; transition: all 0.15s;
    text-decoration: none; white-space: nowrap;
}
.btn--primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}
.btn--primary:hover {
    background: var(--accent-hi);
    border-color: var(--accent-hi);
    color: var(--bg);
    box-shadow: 0 0 20px var(--accent-dim);
    transform: translateY(-1px);
}
.btn--ghost {
    background: transparent;
    color: var(--text-mid);
    border-color: var(--border-hi);
}
.btn--ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn--full { width: 100%; justify-content: center; }

/* ── Sections ─────────────────────────────────────────── */
.section {
    padding: 88px 28px;
    border-bottom: 1px solid var(--border);
}
.section--alt { background: var(--bg1); }
.section-inner { max-width: 1160px; margin: 0 auto; }

.section-label {
    font-family: var(--font-mono);
    font-size: 0.72em; font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.15em; text-transform: uppercase;
    margin-bottom: 10px;
    display: flex; align-items: center; gap: 10px;
}
.section-label::before {
    content: '';
    display: inline-block; width: 18px; height: 1px;
    background: var(--accent);
    flex-shrink: 0;
}
.section-title {
    font-size: clamp(1.4em, 3vw, 1.9em);
    font-weight: 700;
    color: var(--bright);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 44px;
    max-width: 600px;
}

/* ── Features ─────────────────────────────────────────── */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px;
    margin-bottom: 40px;
}
.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px 24px;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.feature:hover {
    border-color: var(--border-act);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 24px var(--accent-dim);
}
.feature-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    color: var(--accent);
    margin-bottom: 14px;
    opacity: 0.9;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature h3 {
    font-size: 0.95em; font-weight: 700;
    color: var(--bright); margin-bottom: 8px;
}
.feature p { font-size: 0.85em; color: var(--text-dim); line-height: 1.7; }

/* Proto strip */
.proto-strip {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.proto-item {
    display: flex; flex-direction: column; gap: 3px;
    padding: 14px 22px; flex: 1; min-width: 200px;
}
.proto-key {
    font-family: var(--font-mono);
    font-size: 0.68em; font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 0.1em; text-transform: uppercase;
}
.proto-val {
    font-family: var(--font-mono);
    font-size: 0.81em; color: var(--text);
}
.proto-div { width: 1px; background: var(--border); align-self: stretch; flex-shrink: 0; }

/* ── Connect section ──────────────────────────────────── */
.connect-layout {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 48px;
    align-items: start;
}
.connect-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 40px rgba(0,0,0,0.3);
}
.connect-card-head {
    padding: 22px 26px 18px;
    border-bottom: 1px solid var(--border);
}
.connect-card-title {
    font-size: 0.95em; font-weight: 700;
    color: var(--bright); margin-bottom: 2px;
}
.connect-card-sub { font-size: 0.78em; color: var(--text-dim); }
.qc-form { padding: 22px 26px 18px; display: flex; flex-direction: column; gap: 14px; }
.connect-card-foot {
    padding: 12px 26px 14px;
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.73em; color: var(--text-dim);
}

/* Fields */
.field { display: flex; flex-direction: column; gap: 5px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field label {
    font-family: var(--font-mono);
    font-size: 0.73em; font-weight: 600;
    color: var(--text-mid);
    display: flex; justify-content: space-between; align-items: baseline;
    letter-spacing: 0.03em;
}
.field-hint { font-weight: 400; color: var(--text-dim); font-size: 0.92em; }
.field input {
    background: var(--bg1);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.88em;
    padding: 9px 12px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
}
.field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}
.field input::placeholder { color: var(--text-dim); }

/* Connection details */
.conn-details {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    margin-bottom: 28px;
}
.conn-row {
    display: flex; align-items: baseline; gap: 10px;
    font-size: 0.84em; padding: 5px 0;
    border-bottom: 1px solid var(--border);
}
.conn-row:last-child { border-bottom: none; }
.conn-lbl {
    font-family: var(--font-mono); font-size: 0.85em;
    color: var(--text-dim); min-width: 86px; flex-shrink: 0;
}
.conn-warn { font-size: 0.78em; color: var(--yellow); font-family: var(--font-mono); }

/* Steps */
.steps { display: flex; flex-direction: column; gap: 18px; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step-n {
    font-family: var(--font-mono); font-size: 0.7em; font-weight: 700;
    color: var(--accent);
    border: 1px solid var(--border-act);
    background: var(--accent-dim);
    padding: 3px 8px; border-radius: var(--radius);
    flex-shrink: 0; margin-top: 1px; letter-spacing: 0.04em;
}
.step-body strong { display: block; color: var(--bright); font-size: 0.9em; margin-bottom: 4px; }
.step-body p { font-size: 0.84em; color: var(--text-dim); }
.codeline {
    display: block;
    font-family: var(--font-mono); font-size: 0.8em; color: var(--accent-hi);
    background: var(--bg2);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    padding: 6px 10px; border-radius: var(--radius);
    margin-top: 5px; white-space: pre; overflow-x: auto;
}

/* ── SASL section ─────────────────────────────────────── */
.sasl-intro { max-width: 680px; margin-bottom: 32px; }
.sasl-intro > p { font-size: 0.93em; color: var(--text-mid); margin-bottom: 14px; }
.mech-list { display: flex; flex-wrap: wrap; gap: 8px; }
.mech {
    font-family: var(--font-mono); font-size: 0.77em; font-weight: 700;
    color: var(--text-mid); background: var(--bg2);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius); padding: 4px 12px; letter-spacing: 0.04em;
}
.mech--best { color: var(--accent-hi); border-color: var(--accent); background: var(--accent-dim); }
.mech--cert { color: var(--cyan); border-color: rgba(0,170,170,0.4); background: rgba(0,170,170,0.06); }

/* Tabs */
.tabs {
    background: var(--bg1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.tab-bar {
    display: flex; flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
}
.tab {
    background: none; border: none;
    font-family: var(--font-mono); font-size: 0.78em; font-weight: 600;
    color: var(--text-dim);
    padding: 12px 22px; cursor: pointer;
    letter-spacing: 0.04em;
    border-right: 1px solid var(--border);
    transition: color 0.15s, background 0.15s;
    white-space: nowrap;
}
.tab:hover { color: var(--text-mid); background: var(--surface); }
.tab--active {
    color: var(--accent-hi) !important;
    background: var(--accent-dim) !important;
    box-shadow: inset 0 -2px 0 var(--accent);
}
.tab-panel { display: none; padding: 28px 30px 24px; }
.tab-panel--active { display: block; }
.tab-steps { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 16px; }
.tab-step {
    display: flex; gap: 12px; align-items: flex-start;
    flex: 1; min-width: 180px;
}
.tab-step .step-n { margin-top: 1px; }
.tab-step .step-body strong { margin-bottom: 3px; }
.tab-intro { font-size: 0.87em; color: var(--text-mid); margin-bottom: 16px; }
.tab-tip { margin-top: 14px; font-size: 0.8em; color: var(--text-dim); font-style: italic; }
.tab-tip a { font-style: normal; }
.codeblock {
    font-family: var(--font-mono); font-size: 0.8em; line-height: 1.65;
    color: var(--accent-hi);
    background: var(--bg2);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 16px 18px; white-space: pre; overflow-x: auto;
}
.cm { color: var(--text-dim); }

/* ── Network section ──────────────────────────────────── */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px; margin-bottom: 44px;
}
.info-card {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 14px 16px;
    transition: border-color 0.15s;
}
.info-card:hover { border-color: var(--border-hi); }
.info-lbl {
    font-family: var(--font-mono); font-size: 0.67em; font-weight: 700;
    color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase;
    margin-bottom: 6px;
}
.info-val {
    font-family: var(--font-mono); font-size: 0.85em; color: var(--accent-hi); line-height: 1.4;
}

.chan-section-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
}
.stats-link {
    font-family: var(--font-mono); font-size: 0.78em;
    color: var(--text-dim);
    display: flex; align-items: center; gap: 5px;
    transition: color 0.15s;
}
.stats-link:hover { color: var(--accent); }

.chan-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 10px; margin-bottom: 16px;
}
.chan-empty { color: var(--text-dim); font-size: 0.85em; font-family: var(--font-mono); padding: 16px 0; }
.chan-card {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
    position: relative;
}
.chan-card:hover {
    border-color: var(--border-act);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.25), 0 0 12px var(--accent-dim);
}
.chan-card-link {
    display: block; padding: 14px 16px;
    text-decoration: none; color: inherit;
}
.chan-card-link:hover { color: inherit; }
.chan-name {
    font-family: var(--font-mono); font-size: 0.9em; font-weight: 700;
    color: var(--accent-hi); margin-bottom: 4px;
}
.chan-meta {
    font-family: var(--font-mono); font-size: 0.72em;
    color: var(--text-dim); margin-bottom: 4px;
    display: flex; align-items: center; gap: 5px;
}
.chan-users { color: var(--accent); }
.chan-topic { font-size: 0.82em; color: var(--text-mid); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chan-stats-badge {
    position: absolute; top: 10px; right: 10px;
    font-size: 0.65em; font-weight: 600;
    color: var(--text-dim); border: 1px solid var(--border-hi);
    border-radius: 3px; padding: 1px 5px;
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s;
    z-index: 1;
}
.chan-stats-badge:hover { color: var(--accent); border-color: var(--border-act); }
.chan-note { font-family: var(--font-mono); font-size: 0.75em; color: var(--text-dim); }

/* ── Nav theme picker ─────────────────────────────────── */
.nav-theme {
    position: relative;
    flex-shrink: 0;
}
.nav-theme summary { list-style: none; }
.nav-theme summary::-webkit-details-marker { display: none; }
.nav-theme-btn {
    display: flex; align-items: center; gap: 6px;
    background: var(--bg2);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius);
    padding: 5px 10px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.74em; font-weight: 600;
    color: var(--text-mid);
    transition: border-color 0.15s, color 0.15s;
    white-space: nowrap;
}
.nav-theme-btn:hover { border-color: var(--accent); color: var(--accent); }
.nav-theme-dot {
    width: 10px; height: 10px; border-radius: 50%;
    flex-shrink: 0;
    background: var(--accent);
    box-shadow: inset 0 0 0 3px rgba(0,0,0,0.3);
}
.nav-theme-panel {
    position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--bg2);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    width: 220px;
    z-index: 400;
}
.nav-theme-swatches { display: flex; flex-wrap: wrap; gap: 7px; }
.swatch {
    width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
    border: 2px solid transparent;
    outline: 2px solid transparent; outline-offset: 2px;
    transition: transform 0.1s, outline-color 0.1s;
    flex-shrink: 0;
}
.swatch:hover { transform: scale(1.3); }
.swatch.active { outline-color: var(--text-mid); }

/* ── Footer ───────────────────────────────────────────── */
.footer {
    background: var(--bg1); border-top: 1px solid var(--border);
    padding: 36px 28px;
}
.footer-inner {
    max-width: 1160px; margin: 0 auto;
    display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-sub { font-size: 0.78em; color: var(--text-dim); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; margin-left: 12px; }
.footer-links a { font-size: 0.82em; color: var(--text-dim); }
.footer-links a:hover { color: var(--text-mid); }
.footer-meta { margin-left: auto; font-size: 0.75em; color: var(--text-dim); font-family: var(--font-mono); }

/* ── Animations ───────────────────────────────────────── */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.35; transform: scale(0.8); }
}

/* ── Feature top wrapper (icon + title row on mobile) ─── */
.feature-top {
    display: flex; align-items: center; gap: 0;
    flex-direction: column;
    margin-bottom: 14px;
}
.feature-top .feature-icon { margin-bottom: 14px; }

/* ── Responsive ───────────────────────────────────────── */

/* Tablet — 1001px+ already default */
@media (max-width: 1000px) {
    .connect-layout { grid-template-columns: 1fr; max-width: 560px; }
    .section        { padding: 72px 24px; }
    .hero           { padding: 88px 24px 80px; }
}

/* Small tablet */
@media (max-width: 780px) {
    .proto-strip    { flex-direction: column; }
    .proto-div      { width: 100%; height: 1px; }
    .tab-steps      { flex-direction: column; }
    .features       { grid-template-columns: 1fr 1fr; gap: 10px; }
    .feature        { padding: 20px 18px; }
    .hero-wordmark  { font-size: clamp(44px, 11vw, 72px); }
}

/* Mobile — everything below 640px */
@media (max-width: 640px) {

    /* ── Nav ── */
    .nav-inner  { padding: 0 14px; gap: 0; }
    .nav-links  { display: none; }
    .nav-theme  { margin-left: auto; }
    .nav-burger { margin-left: 8px; display: flex; }
    .nav-links.open {
        display: flex; flex-direction: column; align-items: stretch;
        position: fixed; top: 54px; left: 0; right: 0; bottom: 0;
        background: rgba(3,3,6,0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border);
        padding: 0; gap: 0; z-index: 199;
        overflow-y: auto;
    }
    .nav-links.open a {
        padding: 16px 24px;
        font-size: 1em; font-weight: 500;
        color: var(--text-mid);
        border-bottom: 1px solid var(--border);
        display: flex; align-items: center;
    }
    .nav-links.open a:hover { color: var(--bright); background: var(--surface); }
    .nav-links.open .nav-link-accent { color: var(--accent) !important; }
    .nav-links.open .nav-cta {
        margin: 16px; padding: 14px 20px !important;
        text-align: center; justify-content: center;
        border: 1px solid var(--accent) !important;
        border-radius: var(--radius) !important;
        color: var(--accent-hi) !important;
        border-bottom: 1px solid var(--accent) !important;
    }
    [data-theme="daylight"] .nav-links.open { background: rgba(246,248,250,0.98); }
    .nav-theme-btn  { padding: 6px 8px; gap: 4px; }
    .nav-theme-label { display: none; }
    .nav-theme-panel {
        position: fixed; top: 62px; right: 8px; left: 8px;
        max-height: calc(100vh - 80px); overflow-y: auto;
        width: auto;
    }

    /* ── Sections ── */
    .hero       { padding: 64px 16px 48px; overflow: hidden; }
    .section    { padding: 44px 16px; }
    .section-title  { font-size: 1.35em; line-height: 1.25; margin-bottom: 24px; max-width: 100%; }
    .section-label  { font-size: 0.68em; margin-bottom: 8px; }

    /* ── Hero ── */
    .hero-inner     { gap: 0; }
    .hero-status    {
        font-size: 10px; padding: 5px 10px; gap: 6px;
        margin-bottom: 20px; flex-wrap: wrap; justify-content: center;
        max-width: 100%;
    }
    .status-sep     { display: none; }
    .status-stat    {
        background: var(--bg2); border: 1px solid var(--border);
        border-radius: 20px; padding: 2px 8px;
    }
    .hero-wordmark  { font-size: clamp(42px, 13vw, 64px); margin-bottom: 14px; }
    .hero-tagline   {
        font-size: 0.88em; line-height: 1.75;
        margin-bottom: 24px; max-width: 100%;
    }
    .hero-btns      {
        flex-direction: column; gap: 10px;
        width: 100%; margin-bottom: 32px;
    }
    .hero-btns .btn { width: 100%; justify-content: center; padding: 14px 20px; font-size: 0.9em; }
    .hero-stats     {
        display: grid; grid-template-columns: 1fr 1fr;
        width: 100%; max-width: 100%;
        border-radius: var(--radius-lg); overflow: hidden;
        background: var(--bg2); border: 1px solid var(--border);
        margin-bottom: 20px;
    }
    .hero-stat-div  { display: none; }
    .hero-stat      {
        padding: 14px 10px;
        border-right: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    /* Remove right border on even cells, bottom border on last row */
    .hero-stat:nth-child(2n)  { border-right: none; }
    .hero-stat:nth-last-child(1),
    .hero-stat:nth-last-child(2) { border-bottom: none; }
    .hero-stat-val  { font-size: 1.05em; margin-bottom: 3px; }
    .hero-stat-lbl  { font-size: 0.65em; }
    .hero-badges    { gap: 5px; justify-content: center; }
    .badge          { font-size: 9px; padding: 3px 7px; }
    .hero-bg-glow--1 { width: 300px; height: 200px; }
    .hero-bg-glow--2 { display: none; }

    /* ── Features ── */
    .features       { grid-template-columns: 1fr; gap: 6px; }
    .feature        { padding: 14px 14px; }
    .feature-top    {
        flex-direction: row; align-items: center;
        gap: 12px; margin-bottom: 8px;
    }
    .feature-top .feature-icon {
        width: 28px; height: 28px; flex-shrink: 0; margin-bottom: 0;
    }
    .feature-top .feature-icon svg { width: 16px; height: 16px; }
    .feature h3     { font-size: 0.88em; margin-bottom: 0; }
    .feature p      { font-size: 0.81em; line-height: 1.6; color: var(--text-dim); }
    .proto-strip    { border-radius: var(--radius); }
    .proto-item     { padding: 10px 14px; min-width: 0; }
    .proto-key      { font-size: 0.63em; }
    .proto-val      { font-size: 0.77em; word-break: break-word; }

    /* ── Connect ── */
    .connect-layout { gap: 24px; }
    .connect-card   { border-radius: var(--radius-lg); }
    .connect-card-head { padding: 16px 18px 12px; }
    .connect-card-title { font-size: 0.9em; }
    .qc-form        { padding: 16px 18px 14px; gap: 14px; }
    .connect-card-foot { padding: 10px 18px; font-size: 0.68em; }
    .field-row      { grid-template-columns: 1fr; gap: 14px; }
    .field input    { padding: 13px 14px; font-size: 16px; border-radius: var(--radius); }
    .field label    { font-size: 0.71em; margin-bottom: 2px; }
    .btn--full      { padding: 14px; font-size: 0.9em; border-radius: var(--radius); }
    .conn-details   { padding: 10px 14px; margin-bottom: 20px; }
    .conn-row       { font-size: 0.8em; flex-wrap: wrap; gap: 4px; padding: 7px 0; }
    .conn-lbl       { min-width: 70px; font-size: 0.82em; }
    .steps          { gap: 16px; }
    .step-n         { font-size: 0.68em; padding: 3px 7px; }
    .step-body strong { font-size: 0.88em; }
    .step-body p    { font-size: 0.81em; }
    .codeline       { font-size: 0.74em; overflow-x: auto; padding: 7px 10px; }

    /* ── SASL ── */
    .sasl-intro     { margin-bottom: 20px; }
    .sasl-intro > p { font-size: 0.87em; }
    .mech-list      { gap: 6px; }
    .mech           { font-size: 0.72em; padding: 5px 10px; }
    .tabs           { border-radius: var(--radius); }
    .tab-bar        {
        overflow-x: auto; overflow-y: hidden;
        flex-wrap: nowrap; -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        /* Fade right edge to hint at scroll */
        -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
        mask-image: linear-gradient(to right, black 80%, transparent 100%);
    }
    .tab-bar::-webkit-scrollbar { display: none; }
    .tab            { padding: 12px 16px; font-size: 0.74em; flex-shrink: 0; }
    .tab-panel      { padding: 16px 14px; }
    .tab-step       { min-width: 100%; }
    .tab-step .step-n { margin-top: 2px; }
    .codeblock      {
        font-size: 0.7em; padding: 12px 14px; line-height: 1.55;
        overflow-x: auto; -webkit-overflow-scrolling: touch;
        border-radius: var(--radius);
        /* Show scrollable indicator */
        background-image: linear-gradient(to right, var(--bg2) 70%, transparent),
                          linear-gradient(to left,  var(--bg2) 70%, transparent);
        background-attachment: local, local;
        background-size: 20px 100%, 20px 100%;
        background-position: 0 0, 100% 0;
        background-repeat: no-repeat;
    }
    .tab-tip        { font-size: 0.78em; margin-top: 12px; }

    /* ── Network ── */
    .info-grid      { grid-template-columns: 1fr 1fr; gap: 7px; margin-bottom: 24px; }
    .info-card      { padding: 11px 12px; }
    .info-lbl       { font-size: 0.61em; margin-bottom: 4px; }
    .info-val       { font-size: 0.79em; line-height: 1.35; }
    .chan-section-head { flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
    .stats-link     { font-size: 0.74em; }
    .chan-list      { grid-template-columns: 1fr; gap: 7px; }
    .chan-card-link { padding: 12px 14px; }
    .chan-name      { font-size: 0.85em; margin-bottom: 3px; }
    .chan-meta      { font-size: 0.69em; }
    .chan-note      { font-size: 0.72em; margin-top: 8px; }

    /* ── Footer ── */
    .footer         { padding: 24px 16px 32px; }
    .footer-inner   { flex-direction: column; align-items: flex-start; gap: 16px; }
    .footer-brand   { gap: 10px; }
    .footer-links   { gap: 0; margin-left: 0; display: grid; grid-template-columns: 1fr 1fr 1fr; }
    .footer-links a { padding: 6px 0; font-size: 0.82em; }
    .footer-meta    { margin-left: 0; font-size: 0.7em; }
    .footer-sub     { font-size: 0.74em; }
}

/* Very small phones (iPhone SE etc) */
@media (max-width: 390px) {
    .hero-wordmark  { font-size: 38px; }
    .info-grid      { grid-template-columns: 1fr 1fr; }
    .nav-theme-panel { right: 4px; left: 4px; width: auto; }
    .tab            { padding: 11px 13px; font-size: 0.71em; }
    .feature        { padding: 12px 12px; }
    .connect-card-head { padding: 14px 14px 10px; }
    .qc-form        { padding: 14px 14px 12px; }
    .connect-card-foot { padding: 8px 14px; }
}