:root {
    --black: #04080F;
    --deep: #080E1A;
    --panel: #0D1526;
    --border: rgba(20,40,255,0.18);
    --blue: #1428FF;
    --blue-dim: rgba(20,40,255,0.10);
    --orange: #FF8A00;
    --orange-dim: rgba(255,138,0,0.12);
    --white: #EEF4FF;
    --muted: #EEF4FF;
  }

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

  /* FIXED HEX CANVAS */
  #hexCanvas {
    position: fixed; inset: 0; z-index: 0;
    width: 100%; height: 100%;
    pointer-events: none;
  }
  nav, section, footer, #trust, .stats-wrap { position: relative; z-index: 1; }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 5vw;
    background: rgba(4,8,15,0.88);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background .3s;
  }
  .nav-logo {
    font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.25rem;
    display: flex; align-items: center; gap: .5rem;
    text-decoration: none; color: var(--white);
  }
  .logo-word-node { color: var(--blue); }
  .logo-img {
    height: 2rem; width: auto; object-fit: contain; flex-shrink: 0;
    filter: drop-shadow(0 0 4px rgba(255,138,0,0.25));
  }
  body.light .logo-img {
    filter: none;
  }
  /* Keep pulse dot animation for mobile menu — not needed but safe fallback */
  @keyframes pulse-dot {
    0%,100% { box-shadow: 0 0 6px var(--orange); }
    50% { box-shadow: 0 0 20px var(--orange); }
  }
  .nav-links { display: flex; gap: 1.8rem; list-style: none; align-items: center; }
  .nav-links a {
    font-family: 'Poppins', sans-serif; font-size: .76rem; font-weight: 500;
    letter-spacing: .04em; color: var(--muted); text-decoration: none;
    text-transform: uppercase; transition: color .25s;
  }
  .nav-links a:hover { color: var(--white); }
  .nav-links a.spy-active {
    color: var(--white);
    position: relative;
  }
  .nav-links a.spy-active::after {
    content: '';
    position: absolute; bottom: -4px; left: 0; right: 0;
    height: 2px; border-radius: 2px;
    background: var(--orange);
  }
  /* Mobile spy-active */
  .mob-links a.spy-active { color: var(--white); }
  body.light .nav-links a.spy-active { color: var(--white); }
  body.light .mob-links a.spy-active { color: rgba(10,15,36,.9); }

  /* Services dropdown */
  .nav-dropdown { position: relative; }
  .nav-dropdown > a { display: flex; align-items: center; gap: .35rem; cursor: pointer; }
  .nav-dropdown > a::after {
    content: ''; display: inline-block;
    width: 0; height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--muted);
    transition: transform .2s, border-color .2s;
  }
  .nav-dropdown:hover > a::after { transform: rotate(180deg); border-top-color: var(--white); }
  .nav-dropdown-menu {
    display: none; position: absolute; top: 100%; left: 50%;
    transform: translateX(-50%);
    padding-top: 0.8rem; /* invisible bridge — keeps hover alive over the gap */
    z-index: 300;
  }
  /* Inner panel — visually separated from the link */
  .nav-dropdown-panel {
    background: rgba(8,14,26,0.97); backdrop-filter: blur(24px);
    border: 1px solid rgba(20,40,255,0.22); border-radius: 8px;
    padding: .5rem; min-width: 180px;
    box-shadow: 0 16px 40px rgba(0,0,0,.5);
    position: relative;
  }
  .nav-dropdown-panel::before {
    content: ''; position: absolute; top: -5px; left: 50%; transform: translateX(-50%);
    width: 10px; height: 10px;
    background: rgba(8,14,26,0.97);
    border-left: 1px solid rgba(20,40,255,0.22);
    border-top: 1px solid rgba(20,40,255,0.22);
    transform: translateX(-50%) rotate(45deg);
  }
  .nav-dropdown:hover .nav-dropdown-menu { display: block; animation: dropIn .18s ease; }
  @keyframes dropIn { from { opacity:0; transform: translateX(-50%) translateY(-4px); } to { opacity:1; transform: translateX(-50%) translateY(0); } }
  .nav-dropdown-menu a {
    display: flex; align-items: center; gap: .7rem;
    font-family: 'Poppins', sans-serif; font-size: .74rem; font-weight: 500;
    color: rgba(200,215,240,0.75); text-decoration: none; padding: .6rem .9rem;
    border-radius: 5px; transition: background .18s, color .18s;
    text-transform: none; letter-spacing: .02em; white-space: nowrap;
  }
  .nav-dropdown-menu a:hover { background: var(--blue-dim); color: #fff; }
  .nav-dropdown-menu a .dd-icon {
    width: 28px; height: 28px; border-radius: 6px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; font-size: .85rem;
  }
  .nav-dropdown-menu a:first-child .dd-icon { background: rgba(20,40,255,0.15); }
  .nav-dropdown-menu a:last-child .dd-icon { background: rgba(255,138,0,0.15); }
  .dd-sep { height: 1px; background: rgba(20,40,255,0.18); margin: .3rem .5rem; }

  /* nav right side */
  .nav-right { display: flex; align-items: center; gap: .8rem; }
  .nav-cta {
    font-family: 'Poppins', sans-serif; font-size: .74rem; font-weight: 600;
    letter-spacing: .06em; text-transform: uppercase; padding: .5rem 1.4rem;
    border: 1px solid var(--blue); color: var(--blue);
    background: transparent; border-radius: 4px; cursor: pointer;
    transition: background .25s, color .25s; text-decoration: none;
  }
  .nav-cta:hover { background: var(--blue); color: #fff; }

  /* Light mode toggle */
  .theme-toggle {
    width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid var(--border); background: transparent;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 1rem; transition: border-color .2s, background .2s;
    color: var(--muted); flex-shrink: 0;
  }
  .theme-toggle:hover { border-color: var(--orange); background: var(--orange-dim); color: var(--orange); }

  /* Notification bell */
  .notif-btn {
    position: relative; width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid var(--border); background: transparent;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: .95rem; transition: border-color .2s, background .2s;
    color: var(--muted); flex-shrink: 0; text-decoration: none;
  }
  .notif-btn:hover { border-color: var(--blue); background: var(--blue-dim); color: var(--white); }
  .notif-badge {
    position: absolute; top: -3px; right: -3px;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--orange); border: 2px solid var(--black);
    display: flex; align-items: center; justify-content: center;
    font-size: .5rem; font-weight: 800; color: #fff;
    font-family: 'Poppins', sans-serif; line-height: 1;
  }
  /* Notification dropdown */
  .notif-dropdown {
    display: none; position: absolute; top: calc(100% + .6rem); right: 0;
    width: 320px; background: rgba(8,14,26,0.98);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border); border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0,0,0,.6); z-index: 300; overflow: hidden;
  }
  .notif-wrap { position: relative; }
  .notif-wrap:hover .notif-dropdown,
  .notif-dropdown.open { display: block; animation: dropIn .18s ease; }
  .notif-head {
    padding: .85rem 1rem; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
  }
  .notif-head-title { font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--white); }
  .notif-head-clear { font-size: .64rem; color: var(--blue); cursor: pointer; background: none; border: none; font-family: 'Poppins',sans-serif; font-weight: 600; }
  .notif-head-clear:hover { opacity: .75; }
  .notif-item {
    display: flex; gap: .8rem; padding: .85rem 1rem;
    border-bottom: 1px solid var(--border); transition: background .15s; cursor: pointer;
  }
  .notif-item:last-child { border-bottom: none; }
  .notif-item:hover { background: rgba(20,40,255,.06); }
  .notif-item.unread { background: rgba(20,40,255,.05); }
  .notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); flex-shrink: 0; margin-top: .35rem; }
  .notif-dot.orange { background: var(--orange); }
  .notif-dot.green { background: #00c864; }
  .notif-dot.read { background: transparent; border: 1px solid var(--border); }
  .notif-text { flex: 1; font-size: .76rem; color: var(--muted); line-height: 1.55; }
  .notif-text strong { color: var(--white); font-weight: 600; }
  .notif-time { font-size: .6rem; color: rgba(200,215,240,.35); margin-top: .2rem; }
  .notif-empty { padding: 2rem 1rem; text-align: center; font-size: .78rem; color: rgba(200,215,240,.35); }

  /* ── LIGHT MODE ── */
  body.light {
    --black: #F0F4FF;
    --deep: #E4EAFF;
    --panel: #FFFFFF;
    --border: rgba(20,40,255,0.14);
    --white: #0A0F24;
    --muted: #04080F;
    --blue-dim: rgba(20,40,255,0.08);
    --orange-dim: rgba(255,138,0,0.10);
  }
  body.light nav { background: rgba(230,236,255,0.95) !important; }
  body.light footer { background: #E4EAFF; }
  body.light #trust { background: rgba(210,220,255,0.85); border-color: rgba(20,40,255,0.15); }
  body.light .trust-label { color: rgba(10,15,36,0.6); }
  body.light .trust-item span { color: rgba(10,15,36,0.5); }
  body.light .trust-item:hover span { color: rgba(10,15,36,0.9); }
  body.light .stats-wrap { background: rgba(220,228,255,0.6); }
  body.light #value { background: rgba(224,232,255,0.5); }
  body.light #dashboard { background: rgba(224,232,255,0.6); }
  body.light .about-visual::before { background: radial-gradient(circle, rgba(20,40,255,.06), transparent 70%); }
  body.light #hexCanvas { opacity: 1; } /* Controlled per-frame in draw() */
  /* Dropdown stays dark on light mode — high contrast against the light nav */
  body.light .nav-dropdown-panel {
    background: #0D1526;
    border-color: rgba(20,40,255,0.3);
    box-shadow: 0 16px 40px rgba(0,0,0,.25);
  }
  body.light .nav-dropdown-panel::before { background: #0D1526; border-color: rgba(20,40,255,0.3); }

  /* HERO — compact dashboard banner */
  #hero {
    position: relative;
    min-height: 15vh;
    display: flex; align-items: center;
    padding: 0 5vw; padding-top: 80px;
    overflow: hidden;
  }
  .hero-content { position: relative; z-index: 2; max-width: 680px; }
  .hero-tag {
    display: inline-flex; align-items: center; gap: .6rem;
    font-family: 'Poppins', sans-serif; font-size: .7rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase; color: var(--blue);
    border: 1px solid var(--border); border-radius: 3px;
    padding: .35rem .85rem; margin-bottom: 1.2rem; background: var(--blue-dim);
  }
  .hero-tag::before {
    content: ''; width: 6px; height: 6px; background: var(--orange);
    border-radius: 50%; box-shadow: 0 0 8px var(--orange);
  }
  h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.9rem, 3.8vw, 3.4rem);
    font-weight: 800; line-height: 1.06; letter-spacing: -.02em;
    margin-bottom: .9rem;
  }
  h1 em { font-style: normal; color: var(--blue); }
  .hero-sub {
    font-family: 'Poppins', sans-serif; font-size: 1.08rem; font-weight: 300;
    color: var(--muted); max-width: 560px; margin-bottom: 1rem; line-height: 1.78;
  }
  .hero-tagline {
    font-family: 'Poppins', sans-serif; font-size: .82rem; font-weight: 600;
    color: var(--orange); letter-spacing: .06em; margin-bottom: 1.6rem;
    display: flex; align-items: center; gap: .7rem;
  }
  .hero-tagline::before { content: ''; flex: 0 0 28px; height: 1px; background: var(--orange); }
  .hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

  /* BUTTONS */
  .btn-primary {
    font-family: 'Poppins', sans-serif; font-size: .78rem; font-weight: 600;
    letter-spacing: .06em; text-transform: uppercase; padding: .85rem 2rem;
    background: var(--blue); color: #fff; border: none;
    border-radius: 4px; cursor: pointer;
    transition: transform .2s, box-shadow .2s; text-decoration: none;
    display: inline-block;
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(20,40,255,.4); }
  .btn-primary.orange { background: var(--orange); }
  .btn-primary.orange:hover { box-shadow: 0 8px 36px rgba(255,138,0,.45); }
  .btn-outline {
    font-family: 'Poppins', sans-serif; font-size: .78rem; font-weight: 500;
    letter-spacing: .06em; text-transform: uppercase; padding: .85rem 2rem;
    background: transparent; color: var(--white);
    border: 1px solid rgba(200,215,240,.25); border-radius: 4px;
    cursor: pointer; transition: border-color .2s; text-decoration: none; display: inline-block;
  }
  .btn-outline:hover { border-color: var(--white); }
  .btn-ghost {
    font-family: 'Poppins', sans-serif; font-size: .78rem; font-weight: 500;
    letter-spacing: .06em; text-transform: uppercase; padding: .75rem 1.6rem;
    background: transparent; color: var(--muted);
    border: 1px solid rgba(200,215,240,.15); border-radius: 4px;
    cursor: pointer; transition: all .2s; text-decoration: none; display: inline-block;
  }
  .btn-ghost:hover { color: var(--white); border-color: rgba(200,215,240,.35); }

  /* TRUST BAR */
  #trust {
    padding: 1.6rem 5vw;
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    background: rgba(8,14,26,0.7); overflow: hidden;
  }
  .trust-inner { display: flex; align-items: center; gap: 3rem; }
  .trust-label {
    font-family: 'Poppins', sans-serif; font-size: .62rem; font-weight: 600;
    letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
    white-space: nowrap; flex-shrink: 0;
  }
  .trust-track { overflow: hidden; flex: 1; }
  .trust-scroll {
    display: flex; gap: 4rem; align-items: center;
    animation: scroll-logos 12s linear infinite;
  }
  .trust-scroll:hover { animation-play-state: paused; }
  .trust-item { display: flex; align-items: center; gap: .7rem; white-space: nowrap; flex-shrink: 0; }
  .trust-item .t-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); opacity: .5; flex-shrink: 0; }
  .trust-item span {
    font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1rem;
    color: rgba(200,215,240,.35); transition: color .3s; cursor: default;
  }
  .trust-item:hover span { color: var(--white); }
  .trust-item:hover .t-dot { opacity: 1; }
  @keyframes scroll-logos {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }

  /* SECTIONS */
  section { padding: 6.5rem 5vw; }
  .section-tag {
    font-family: 'Poppins', sans-serif; font-size: .63rem; font-weight: 700;
    letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 1rem;
    display: flex; align-items: center; gap: .7rem;
  }
  .section-tag::before { content: ''; flex: 0 0 20px; height: 1px; background: var(--blue); }
  .section-tag.orange-tag { color: var(--orange); }
  .section-tag.orange-tag::before { background: var(--orange); }
  h2 {
    font-family: 'Poppins', sans-serif; font-weight: 800;
    font-size: clamp(1.8rem, 3.2vw, 2.9rem);
    line-height: 1.1; letter-spacing: -.02em; margin-bottom: 1.1rem;
  }
  h2 em { font-style: normal; color: var(--blue); }
  h2 em.orange { color: var(--orange); }
  .body-text {
    font-family: 'Poppins', sans-serif; font-weight: 300;
    color: var(--muted); max-width: 580px; font-size: 1rem; line-height: 1.8;
  }

  

  /* FOOTER */
  footer { background: var(--deep); border-top: 1px solid var(--border); padding: 4rem 5vw 2rem; }
  .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 3rem; margin-bottom: 3rem; }
  .footer-brand p { font-family: 'Poppins', sans-serif; color: var(--muted); font-size: .86rem; font-weight: 300; margin-top: .8rem; max-width: 220px; line-height: 1.65; }
  .footer-col h4 { font-family: 'Poppins', sans-serif; font-size: .6rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 1.2rem; }
  .footer-col ul { list-style: none; }
  .footer-col li { margin-bottom: .6rem; }
  .footer-col a { font-family: 'Poppins', sans-serif; color: var(--muted); text-decoration: none; font-size: .86rem; font-weight: 300; transition: color .2s; }
  .footer-col a:hover { color: var(--white); }
  .newsletter-row { display: flex; gap: .5rem; margin-top: .8rem; }
  .newsletter-input { flex: 1; background: var(--panel); border: 1px solid var(--border); border-radius: 4px; padding: .6rem .8rem; color: var(--white); font-family: 'Poppins', sans-serif; font-size: .82rem; font-weight: 300; outline: none; }
  .newsletter-input::placeholder { color: var(--muted); }
  .newsletter-input:focus { border-color: var(--blue); }
  .newsletter-btn { background: var(--blue); color: #fff; border: none; border-radius: 4px; padding: .6rem 1rem; font-family: 'Poppins', sans-serif; font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: opacity .2s; }
  .newsletter-btn:hover { opacity: .85; }
  .social-row { display: flex; gap: .7rem; margin-top: 1.2rem; }
  .social-btn { width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 5px; display: flex; align-items: center; justify-content: center; background: var(--panel); color: var(--muted); font-size: .8rem; text-decoration: none; transition: border-color .2s, color .2s; }
  .social-btn img {
    width: 24px; height: 24px;
  }
  .social-btn:hover { border-color: var(--blue); color: var(--blue); }
  .footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
  .footer-bottom p { font-family: 'Poppins', sans-serif; font-size: .6rem; font-weight: 500; letter-spacing: .08em; color: var(--muted); }

  /* SCROLL REVEAL */
  .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s, transform .7s; }
  .reveal.visible { opacity: 1; transform: none; }

  /* HAMBURGER BUTTON */
  .hamburger {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 36px; height: 36px; background: transparent;
    border: 1px solid var(--border); border-radius: 6px;
    cursor: pointer; padding: 7px; transition: border-color .2s;
  }
  .hamburger:hover { border-color: var(--blue); }
  .hamburger span {
    display: block; height: 2px; border-radius: 2px;
    background: var(--white); transition: transform .3s, opacity .3s, width .3s;
    transform-origin: center;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* MOBILE MENU PANEL */
  #mobileMenu {
    display: none; position: fixed; top: 62px; left: 0; right: 0;
    z-index: 190; background: rgba(4,8,15,0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 5vw 1.6rem;
    transform: translateY(-8px); opacity: 0;
    transition: transform .25s ease, opacity .25s ease;
  }
  #mobileMenu.open {
    display: block;
    animation: mobileIn .25s ease forwards;
  }
  @keyframes mobileIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .mob-links { list-style: none; margin-bottom: 1.2rem; }
  .mob-links li { border-bottom: 1px solid var(--border); }
  .mob-links li:last-child { border-bottom: none; }
  .mob-links a {
    display: flex; align-items: center; justify-content: space-between;
    font-family: 'Poppins', sans-serif; font-size: .88rem; font-weight: 500;
    color: var(--muted); text-decoration: none; padding: .9rem 0;
    transition: color .2s; text-transform: uppercase; letter-spacing: .04em;
  }
  .mob-links a:hover { color: var(--white); }
  /* Mobile services sub-items */
  .mob-sub { list-style: none; padding: 0 0 .5rem 1rem; }
  .mob-sub li { border-bottom: none; }
  .mob-sub a {
    font-size: .8rem; text-transform: none; letter-spacing: .02em;
    color: rgba(200,215,240,.5); padding: .5rem 0;
    display: flex; align-items: center; gap: .6rem;
  }
  .mob-sub a:hover { color: var(--white); }
  .mob-sub .dd-icon { width: 24px; height: 24px; border-radius: 5px; font-size: .75rem; display:flex;align-items:center;justify-content:center; }
  .mob-sub a:first-child .dd-icon { background: var(--blue-dim); }
  .mob-sub a:last-child .dd-icon { background: var(--orange-dim); }
  .mob-services-toggle { cursor: pointer; }
  .mob-chevron { font-size: .6rem; transition: transform .25s; }
  .mob-services-toggle.open .mob-chevron { transform: rotate(180deg); }
  .mob-sub { display: none; }
  .mob-services-toggle.open + .mob-sub { display: block; }
  /* Mobile bottom row */
  .mob-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: .8rem; border-top: 1px solid var(--border); }

  /* Light mode — mobile menu */
  body.light #mobileMenu { background: rgba(225,232,255,0.98); }
  body.light .mob-links a { color: rgba(10,15,36,.5); }
  body.light .mob-links a:hover { color: rgba(10,15,36,.9); }
  body.light .mob-sub a { color: rgba(10,15,36,.4); }
  body.light .mob-sub a:hover { color: rgba(10,15,36,.85); }
  body.light .hamburger span { background: var(--white); }

  /* RESPONSIVE */
  @media(max-width:900px){
    .cs-grid,#about,.dash-grid,.footer-grid,.bce-grid,.cf-grid{grid-template-columns:1fr}
    .stats-strip{grid-template-columns:repeat(2,1fr)}
    .impact-grid{grid-template-columns:repeat(3,1fr)}
    .feature-grid{grid-template-columns:1fr}
    .partners-grid{grid-template-columns:repeat(2,1fr)}
    .nav-links{ display: none; }
    .hamburger{ display: flex; }
    .nav-right .nav-cta { display: none; } /* login moves into mobile menu */
    footer { padding-bottom: 80px; } /* clear fixed bottom nav */
  }
  @media(max-width:500px){
    .partners-grid{grid-template-columns:1fr}
    .impact-grid{grid-template-columns:repeat(2,1fr)}
    .cf-form-row{grid-template-columns:1fr}
  }

  /* PAGE HEADER */
  .page-header { padding: 8rem 5vw 4rem; text-align: center; }
  .page-tag { font-family: 'Poppins', sans-serif; font-size: .62rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); display: inline-flex; align-items: center; gap: .6rem; border: 1px solid var(--border); border-radius: 3px; padding: .35rem .85rem; margin-bottom: 1.5rem; background: var(--blue-dim); }
  .page-tag::before { content: ''; width: 6px; height: 6px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 8px var(--orange); }
  .page-header h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; line-height: 1.06; letter-spacing: -.02em; margin-bottom: 1rem; }
  .page-header h1 em { font-style: normal; color: var(--blue); }
  .page-header p { font-size: 1rem; font-weight: 300; color: var(--muted); max-width: 520px; margin: 0 auto; line-height: 1.8; }

  /* ── DASHBOARD ── */
  :root {
    --sidebar-collapsed: 64px;
    --sidebar-expanded: 220px;
  }
  .dash-layout {
    display: grid;
    grid-template-columns: var(--sidebar-collapsed) 1fr;
    min-height: calc(100vh - 70px);
    margin-top: 70px;
    transition: grid-template-columns .28s ease;
  }
  .dash-layout.sidebar-open {
    grid-template-columns: var(--sidebar-expanded) 1fr;
  }

  /* Sidebar */
  .dash-sidebar {
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: .8rem 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow: hidden;
    width: var(--sidebar-collapsed);
    transition: width .28s ease;
    display: flex;
    flex-direction: column;
    z-index: 100;
  }
  .dash-sidebar.open {
    width: var(--sidebar-expanded);
    overflow-y: auto;
  }

  /* Sidebar toggle button */
  .sidebar-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 8px;
    background: transparent; border: 1px solid var(--border);
    cursor: pointer; color: var(--muted);
    transition: background .2s, color .2s, border-color .2s;
    margin: 0 auto .8rem;
    flex-shrink: 0;
  }
  .sidebar-toggle:hover { background: var(--blue-dim); color: var(--white); border-color: var(--blue); }
  .sidebar-toggle svg { width: 16px; height: 16px; transition: transform .28s; }
  .dash-sidebar.open .sidebar-toggle svg { transform: rotate(180deg); }

  /* User info — only visible when expanded */
  .dash-user {
    padding: 0 .8rem .8rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: .4rem;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    max-height: 0;
    transition: opacity .2s, max-height .28s;
    pointer-events: none;
  }
  .dash-sidebar.open .dash-user {
    opacity: 1;
    max-height: 120px;
    pointer-events: auto;
  }
  .dash-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--blue-dim); border: 2px solid var(--blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; font-weight: 800; color: var(--blue);
    margin-bottom: .5rem; flex-shrink: 0;
  }
  .dash-user-name { font-size: .82rem; font-weight: 700; color: var(--white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .dash-user-level { font-size: .56rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--orange); background: var(--orange-dim); border-radius: 3px; padding: .12rem .4rem; display: inline-block; margin-top: .15rem; }

  /* Nav items */
  .dash-nav-item {
    display: flex; align-items: center;
    gap: .75rem;
    padding: .7rem 0;
    width: 100%;
    cursor: pointer;
    transition: background .2s, color .2s;
    color: var(--muted);
    font-size: .78rem; font-weight: 500;
    border-left: 3px solid transparent;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    justify-content: center;
  }
  .dash-sidebar.open .dash-nav-item {
    justify-content: flex-start;
    padding: .7rem 1rem;
  }
  .dash-nav-item:hover { background: var(--blue-dim); color: var(--white); }
  .dash-nav-item.active { background: var(--blue-dim); color: var(--white); border-left-color: var(--blue); }
  .dash-nav-icon { font-size: 1.1rem; width: 22px; text-align: center; flex-shrink: 0; }
  .dash-nav-label { opacity: 0; max-width: 0; overflow: hidden; transition: opacity .2s .05s, max-width .28s; pointer-events: none; }
  .dash-sidebar.open .dash-nav-label { opacity: 1; max-width: 180px; pointer-events: auto; }
  
  /* --- NEW USER / LOCKED STATES --- */
.course-card.locked {
  position: relative;
  opacity: 0.6;
  filter: grayscale(0.8);
  pointer-events: none; /* Prevents clicking */
}

.lock-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--orange);
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  z-index: 2;
}

.empty-history {
  text-align: center;
  padding: 40px;
  color: rgba(238, 244, 255, 0.4);
  font-style: italic;
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

  /* Tooltip on collapsed sidebar */
  .dash-nav-item { position: relative; }
  .dash-sidebar:not(.open) .dash-nav-item:hover::after {
    content: attr(data-label);
    position: absolute; left: calc(var(--sidebar-collapsed) - 4px);
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 5px; padding: .35rem .7rem;
    font-size: .72rem; font-weight: 600; color: var(--white);
    white-space: nowrap; z-index: 200;
    box-shadow: 4px 4px 12px rgba(0,0,0,.4);
    pointer-events: none;
  }

  /* Sidebar logout link */
  .sidebar-logout {
    margin-top: auto;
    padding: .6rem 0;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
  }

  /* Main */
  .dash-main { padding: 2rem 2.5rem; overflow-y: auto; min-width: 0; }
  .dash-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
  .dash-greeting { font-size: 1.3rem; font-weight: 800; color: var(--white); }
  .dash-greeting span { color: var(--blue); }
  .dash-date { font-size: .78rem; color: var(--muted); }

  /* Tab Panels */
  .dash-panel { display: none; }
  .dash-panel.active { display: block; }

  /* Classroom tab */
  .progress-card { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:2rem; display:flex; align-items:center; gap:2rem; margin-bottom:1.5rem; }
  .progress-ring-wrap { flex-shrink:0; position:relative; width:110px; height:110px; }
  .progress-ring-wrap svg { transform:rotate(-90deg); }
  .progress-pct { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); font-size:1.3rem; font-weight:800; color:var(--white); }
  .progress-ring-bg { fill:none; stroke:var(--border); stroke-width:8; }
  .progress-ring-fill { fill:none; stroke:var(--blue); stroke-width:8; stroke-linecap:round; stroke-dasharray:283; stroke-dashoffset:100; transition:stroke-dashoffset 1s; }
  .progress-info h3 { font-size:1rem; font-weight:700; margin-bottom:.3rem; }
  .progress-info p { font-size:.82rem; color:var(--muted); margin-bottom:1rem; }
  .badge-next { background:var(--orange-dim); border:1px solid rgba(255,138,0,.25); border-radius:6px; padding:.6rem 1rem; font-size:.76rem; color:var(--orange); display:inline-flex; align-items:center; gap:.5rem; }

  .modules-list { display:flex; flex-direction:column; gap:.7rem; }
  .module-item { background:var(--panel); border:1px solid var(--border); border-radius:8px; padding:1rem 1.2rem; display:flex; align-items:center; gap:1rem; }
  .module-status { width:28px; height:28px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.8rem; flex-shrink:0; }
  .status-done { background:rgba(0,200,100,.15); color:#00c864; border:1px solid rgba(0,200,100,.25); }
  .status-active { background:var(--blue-dim); color:var(--blue); border:1px solid rgba(20,40,255,.25); }
  .status-locked { background:var(--deep); color:var(--muted); border:1px solid var(--border); }
  .module-title { font-size:.88rem; font-weight:600; color:var(--white); flex:1; }
  .module-xp { font-size:.68rem; font-weight:700; letter-spacing:.06em; color:var(--orange); }

  /* Business / Affiliate tab */
  .aff-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-bottom:1.5rem; }
  .aff-stat { background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:1.2rem; text-align:center; }
  .aff-stat-num { font-size:1.6rem; font-weight:800; color:var(--white); line-height:1.1; }
  .aff-stat-label { font-size:.65rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); margin-top:.3rem; }

  .ref-link-card { background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:1.5rem; margin-bottom:1.5rem; }
  .ref-link-card h3 { font-size:.88rem; font-weight:700; margin-bottom:.8rem; }
  .ref-link-row { display:flex; gap:.7rem; align-items:center; }
  .ref-link-input { flex:1; background:var(--deep); border:1px solid var(--border); border-radius:5px; padding:.65rem 1rem; font-size:.78rem; color:var(--orange); font-family:'Poppins',sans-serif; outline:none; }
  .copy-btn { background:var(--blue); color:#fff; border:none; border-radius:5px; padding:.65rem 1.2rem; font-family:'Poppins',sans-serif; font-size:.72rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; cursor:pointer; white-space:nowrap; transition:opacity .2s; }
  .copy-btn:hover { opacity:.85; }
  .copy-btn.copied { background:#00c864; }

  .level-cards { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-bottom:1.5rem; }
  .level-card { background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:1.2rem; position:relative; overflow:hidden; }
  .level-card.active-level { border-color:var(--orange); }
  .level-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; }
  .level-card.active-level::before { background:linear-gradient(90deg,var(--orange),#FFB800); }
  .level-name { font-size:.88rem; font-weight:700; color:var(--white); margin-bottom:.2rem; }
  .level-pct { font-size:1.3rem; font-weight:800; color:var(--orange); }
  .level-req { font-size:.72rem; color:var(--muted); margin-top:.3rem; }

  /* Wallet tab */
  .wallet-balance { background:linear-gradient(135deg,var(--blue),rgba(20,40,255,.4)); border-radius:16px; padding:2rem; margin-bottom:1.5rem; position:relative; overflow:hidden; }
  .wallet-balance::before { content:''; position:absolute; top:-30px; right:-30px; width:120px; height:120px; border-radius:50%; background:rgba(255,255,255,.05); }
  .balance-label { font-size:.68rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.7); }
  .balance-amount { font-size:2.4rem; font-weight:800; color:#fff; line-height:1.1; margin:.3rem 0; }
  .balance-usd { font-size:.82rem; color:rgba(255,255,255,.6); }
  .payout-btn { margin-top:1.2rem; background:#fff; color:var(--blue); border:none; border-radius:6px; padding:.65rem 1.4rem; font-family:'Poppins',sans-serif; font-size:.78rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase; cursor:pointer; transition:opacity .2s; }
  .payout-btn:hover { opacity:.9; }

  .tx-list { background:var(--panel); border:1px solid var(--border); border-radius:10px; overflow:hidden; }
  .tx-header { padding:1rem 1.2rem; border-bottom:1px solid var(--border); font-size:.72rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
  .tx-item { display:flex; align-items:center; gap:1rem; padding:.9rem 1.2rem; border-bottom:1px solid var(--border); }
  .tx-item:last-child { border-bottom:none; }
  .tx-icon { width:34px; height:34px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:.9rem; flex-shrink:0; }
  .tx-in { background:rgba(0,200,100,.15); }
  .tx-out { background:var(--orange-dim); }
  .tx-desc { font-size:.84rem; font-weight:600; color:var(--white); flex:1; }
  .tx-date { font-size:.72rem; color:var(--muted); }
  .tx-amount { font-size:.88rem; font-weight:700; }
  .tx-pos { color:#00c864; }
  .tx-neg { color:var(--orange); }

  /* Hall of Fame tab */
  .cert-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:1.5rem; }
  .cert-card { background:var(--panel); border:1px solid var(--border); border-radius:10px; overflow:hidden; }
  .cert-preview { background:linear-gradient(135deg,var(--deep),var(--panel)); padding:2.5rem; text-align:center; border-bottom:1px solid var(--border); position:relative; }
  .cert-preview::before { content:''; position:absolute; inset:0; background:radial-gradient(circle at 50% 50%, rgba(20,40,255,.08),transparent 70%); }
  .cert-seal { font-size:2.5rem; margin-bottom:.5rem; position:relative; }
  .cert-title { font-size:.78rem; font-weight:700; color:var(--white); position:relative; }
  .cert-name { font-size:.68rem; color:var(--muted); position:relative; }
  .cert-actions { padding:1rem 1.2rem; display:flex; gap:.6rem; }
  .cert-btn { flex:1; padding:.55rem; border-radius:5px; font-family:'Poppins',sans-serif; font-size:.68rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase; cursor:pointer; text-align:center; text-decoration:none; display:flex; align-items:center; justify-content:center; gap:.3rem; transition:opacity .2s; }
  .cert-btn-dl { background:var(--blue); color:#fff; border:none; }
  .cert-btn-li { background:transparent; color:var(--muted); border:1px solid var(--border); }
  .cert-btn:hover { opacity:.85; }

  @media(max-width:900px){
    /* ── MOBILE: sidebar becomes fixed bottom bar ── */
    .dash-layout {
      grid-template-columns: 1fr;
      margin-top: 70px;
      padding-bottom: 70px; /* space for bottom bar */
    }
    .dash-layout.sidebar-open { grid-template-columns: 1fr; }

    .dash-sidebar {
      position: fixed;
      bottom: 0; left: 0; right: 0; top: auto;
      height: 64px;
      width: 100% !important;
      flex-direction: row;
      align-items: stretch;
      padding: 0;
      overflow: visible;
      border-right: none;
      border-top: 1px solid var(--border);
      z-index: 190;
    }
    .dash-sidebar.open { overflow: visible; }

    /* Hide toggle, user, logout on mobile */
    .sidebar-toggle,
    .dash-user,
    .sidebar-logout { display: none !important; }

    /* Nav items become equal-width columns */
    .dash-nav-item {
      flex: 1;
      flex-direction: column;
      justify-content: center !important;
      padding: .4rem .2rem !important;
      gap: .18rem;
      border-left: none !important;
      border-top: 3px solid transparent;
      font-size: .52rem;
      letter-spacing: .02em;
      text-transform: uppercase;
      font-weight: 600;
    }
    .dash-nav-item.active {
      border-left: none !important;
      border-top-color: var(--blue);
    }
    .dash-nav-icon { font-size: 1.2rem; width: auto; }
    /* Show labels on mobile bottom bar */
    .dash-nav-label {
      opacity: 1 !important;
      max-width: 100% !important;
      font-size: .52rem;
      pointer-events: auto;
      display: block;
    }
    /* Disable tooltip on mobile */
    .dash-nav-item:hover::after { display: none; }

    .dash-main { padding: 1.2rem 1rem; }
    .aff-stats { grid-template-columns: 1fr 1fr; }
    .cert-grid { grid-template-columns: 1fr; }
    .level-cards { grid-template-columns: 1fr; }
  }
  .profile-section { margin-bottom: 2rem; }
  .profile-section-title { font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-bottom:1rem; padding-bottom:.5rem; border-bottom:1px solid var(--border); }
  .profile-avatar-row { display:flex; align-items:center; gap:1.5rem; background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:1.5rem; margin-bottom:1.5rem; }
  .profile-avatar-lg { width:72px; height:72px; border-radius:50%; background:var(--blue-dim); border:2px solid var(--blue); display:flex; align-items:center; justify-content:center; font-size:1.8rem; font-weight:800; color:var(--blue); flex-shrink:0; position:relative; }
  .avatar-edit-btn { position:absolute; bottom:-2px; right:-2px; width:22px; height:22px; border-radius:50%; background:var(--orange); border:2px solid var(--panel); display:flex; align-items:center; justify-content:center; font-size:.6rem; cursor:pointer; }
  .profile-meta { flex:1; }
  .profile-meta h3 { font-size:1rem; font-weight:700; color:var(--white); margin-bottom:.2rem; }
  .profile-meta p { font-size:.78rem; color:var(--muted); }

  .form-grid { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
  .form-group { display:flex; flex-direction:column; gap:.4rem; }
  .form-group.full { grid-column:1/-1; }
  .form-label { font-size:.68rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
  .form-input { background:var(--deep); border:1px solid var(--border); border-radius:6px; padding:.65rem 1rem; font-size:.84rem; color:var(--white); font-family:'Poppins',sans-serif; outline:none; transition:border-color .2s; }
  .form-input:focus { border-color:var(--blue); }
  .form-input:disabled { opacity:.45; cursor:not-allowed; }
  .form-input::placeholder { color:rgba(200,215,240,.3); }
  .form-hint { font-size:.65rem; color:var(--muted); opacity:.7; }

  .form-card { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:1.5rem; margin-bottom:1.5rem; }
  .form-actions { display:flex; gap:.8rem; justify-content:flex-end; margin-top:1.2rem; flex-wrap:wrap; }

  .notif-row { display:flex; align-items:center; justify-content:space-between; padding:.75rem 0; border-bottom:1px solid var(--border); gap:1rem; }
  .notif-row:last-child { border-bottom:none; }
  .notif-label { font-size:.84rem; font-weight:600; color:var(--white); }
  .notif-desc { font-size:.72rem; color:var(--muted); margin-top:.1rem; }
  /* Toggle switch */
  .toggle { position:relative; display:inline-block; width:40px; height:22px; flex-shrink:0; }
  .toggle input { opacity:0; width:0; height:0; }
  .toggle-slider { position:absolute; cursor:pointer; inset:0; background:rgba(200,215,240,.15); border-radius:22px; transition:.3s; border:1px solid var(--border); }
  .toggle-slider::before { content:''; position:absolute; height:16px; width:16px; left:2px; bottom:2px; background:rgba(200,215,240,.5); border-radius:50%; transition:.3s; }
  .toggle input:checked + .toggle-slider { background:var(--blue); border-color:var(--blue); }
  .toggle input:checked + .toggle-slider::before { transform:translateX(18px); background:#fff; }

  .danger-zone { background:rgba(255,60,60,.06); border:1px solid rgba(255,60,60,.2); border-radius:12px; padding:1.5rem; }
  .danger-zone h4 { font-size:.82rem; font-weight:700; color:#ff5555; margin-bottom:.4rem; }
  .danger-zone p { font-size:.78rem; color:var(--muted); margin-bottom:1rem; }
  .btn-danger { background:transparent; border:1px solid rgba(255,60,60,.4); color:#ff5555; border-radius:5px; padding:.6rem 1.2rem; font-family:'Poppins',sans-serif; font-size:.74rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase; cursor:pointer; transition:background .2s,border-color .2s; }
  .btn-danger:hover { background:rgba(255,60,60,.12); border-color:#ff5555; }

  @media(max-width:900px){ .form-grid{grid-template-columns:1fr;} .tracks-grid{ grid-template-columns:1fr 1fr !important; } }
  @media(max-width:700px){ .biz-stats-grid{ grid-template-columns:1fr 1fr !important; } .tracks-grid{ grid-template-columns:1fr !important; } }
  @media(max-width:400px){ .biz-stats-grid{ grid-template-columns:1fr !important; } }