/* ==========================================================
   Neon dark effects — only active in dark mode (the default).
   Light mode keeps the clean look from style.css.
   ========================================================== */

/* ---------- Animated aurora background + faint grid ---------- */
:root:not([data-theme="light"]) body { background: var(--bg); }
:root:not([data-theme="light"]) body::before {
  content: ""; position: fixed; inset: -20vmax; z-index: -2; pointer-events: none;
  background:
    radial-gradient(35vmax 35vmax at 15% 20%, rgba(139, 92, 246, .28), transparent 60%),
    radial-gradient(30vmax 30vmax at 85% 15%, rgba(236, 72, 153, .20), transparent 60%),
    radial-gradient(35vmax 35vmax at 70% 85%, rgba(34, 211, 238, .14), transparent 60%),
    radial-gradient(25vmax 25vmax at 10% 90%, rgba(249, 115, 22, .12), transparent 60%);
  filter: blur(20px);
  animation: aurora 22s ease-in-out infinite alternate;
}
:root:not([data-theme="light"]) body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 75%);
}
:root:not([data-theme="light"]) ::selection { background: rgba(236, 72, 153, .45); color: #fff; }

/* sections sit on the aurora instead of flat blocks */
:root:not([data-theme="light"]) .section--alt { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .018) 15%, rgba(255, 255, 255, .018) 85%, transparent); }
:root:not([data-theme="light"]) .hero::before { display: none; }

/* ---------- Nav ---------- */
:root:not([data-theme="light"]) .nav { background: rgba(7, 7, 13, .55); }
:root:not([data-theme="light"]) .nav.scrolled { border-color: var(--border); box-shadow: 0 10px 30px rgba(0, 0, 0, .35); }
:root:not([data-theme="light"]) .logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
:root:not([data-theme="light"]) .nav__links a { position: relative; }
:root:not([data-theme="light"]) .nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px;
  background: var(--grad); transform: scaleX(0); transition: transform .3s;
}
:root:not([data-theme="light"]) .nav__links a:hover::after { transform: scaleX(1); }

/* ---------- Glass cards with glowing gradient border + mouse spotlight ---------- */
:root:not([data-theme="light"]) .card, :root:not([data-theme="light"]) .stats__grid, :root:not([data-theme="light"]) .badge, :root:not([data-theme="light"]) .chip, :root:not([data-theme="light"]) .filter, :root:not([data-theme="light"]) .socials a, :root:not([data-theme="light"]) .icon-btn, :root:not([data-theme="light"]) .btn--ghost, :root:not([data-theme="light"]) .floating-card {
  background: var(--glass);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
:root:not([data-theme="light"]) .card { position: relative; isolation: isolate; }
:root:not([data-theme="light"]) .card::before {
  /* gradient border that lights up on hover */
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; z-index: -1;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s;
}
:root:not([data-theme="light"]) .card::after {
  /* soft spotlight that follows the mouse (position set by main.js) */
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -50%), rgba(167, 139, 250, .13), transparent 45%);
  opacity: 0; transition: opacity .35s;
}
:root:not([data-theme="light"]) .card:hover::before, :root:not([data-theme="light"]) .card:hover::after { opacity: 1; }
:root:not([data-theme="light"]) .service:hover, :root:not([data-theme="light"]) .project:hover, :root:not([data-theme="light"]) .course:hover, :root:not([data-theme="light"]) .testimonial:hover {
  border-color: transparent; box-shadow: 0 25px 60px rgba(0, 0, 0, .55), 0 0 40px rgba(167, 139, 250, .15);
}
:root:not([data-theme="light"]) .contact-form::before, :root:not([data-theme="light"]) .review-form::before { opacity: .5; }

/* ---------- Buttons ---------- */
:root:not([data-theme="light"]) .btn--primary { background-size: 200% 200%; animation: gradShift 6s ease infinite; }
:root:not([data-theme="light"]) .btn--primary:hover { box-shadow: 0 0 25px rgba(236, 72, 153, .55), 0 0 60px rgba(139, 92, 246, .4); }
:root:not([data-theme="light"]) .btn--ghost:hover, :root:not([data-theme="light"]) .icon-btn:hover { border-color: var(--primary); box-shadow: 0 0 20px rgba(167, 139, 250, .25); }
:root:not([data-theme="light"]) .socials a:hover { background: var(--grad); border-color: transparent; box-shadow: 0 0 20px rgba(236, 72, 153, .5); }
:root:not([data-theme="light"]) .filter.active { background: var(--grad); border-color: transparent; box-shadow: 0 0 20px rgba(236, 72, 153, .35); }

/* ---------- Hero ---------- */
:root:not([data-theme="light"]) .hero h1 {
  background: linear-gradient(100deg, #fff 0%, #fff 40%, #c4b5fd 50%, #fff 60%, #fff 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 6s linear infinite;
  filter: drop-shadow(0 0 30px rgba(167, 139, 250, .25));
}
:root:not([data-theme="light"]) .typed { background-size: 200% 200%; animation: gradShift 6s ease infinite; }
:root:not([data-theme="light"]) .hero__hello .bn { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
:root:not([data-theme="light"]) .badge { border-color: rgba(52, 211, 153, .3); box-shadow: 0 0 20px rgba(52, 211, 153, .12); }
:root:not([data-theme="light"]) .dot { animation: pulse 2s ease-out infinite; }

/* avatar: spinning neon ring */
:root:not([data-theme="light"]) .avatar-wrap::before {
  content: ""; position: absolute; inset: -14px; border-radius: 50%; z-index: -1;
  background: conic-gradient(from 0deg, #8b5cf6, #ec4899, #f97316, #22d3ee, #8b5cf6);
  filter: blur(28px); opacity: .55; animation: spin 10s linear infinite;
}
:root:not([data-theme="light"]) .avatar { box-shadow: 0 0 0 1px rgba(255, 255, 255, .1), 0 30px 80px rgba(0, 0, 0, .6); }
:root:not([data-theme="light"]) .floating-card {
  background: rgba(14, 14, 24, .88); color: var(--text);
  border-color: rgba(255, 255, 255, .12); box-shadow: 0 15px 40px rgba(0, 0, 0, .5);
}

/* ---------- Stats ---------- */
:root:not([data-theme="light"]) .stats__grid { box-shadow: 0 30px 80px rgba(0, 0, 0, .5); }
:root:not([data-theme="light"]) .stat strong { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Section headings ---------- */
:root:not([data-theme="light"]) .eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; color: var(--accent);
  text-shadow: 0 0 18px rgba(34, 211, 238, .55);
}
:root:not([data-theme="light"]) .eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
:root:not([data-theme="light"]) .section-head .eyebrow::after { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
:root:not([data-theme="light"]) .project__cat { color: var(--primary-2); }

/* ---------- Services / skills / timeline ---------- */
:root:not([data-theme="light"]) .service__icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, .22), rgba(236, 72, 153, .18));
  color: #e9d5ff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
  transition: transform .35s, box-shadow .35s;
}
:root:not([data-theme="light"]) .service:hover .service__icon { transform: rotate(-6deg) scale(1.08); box-shadow: 0 0 25px rgba(167, 139, 250, .45); }
:root:not([data-theme="light"]) .skill__bar { background: rgba(255, 255, 255, .06); }
:root:not([data-theme="light"]) .skill__bar span { box-shadow: 0 0 14px rgba(236, 72, 153, .6); }
:root:not([data-theme="light"]) .timeline { border-left-color: transparent; border-image: linear-gradient(#8b5cf6, #ec4899, transparent) 1; }
:root:not([data-theme="light"]) .timeline li::before { background: var(--bg); box-shadow: 0 0 12px var(--primary); }
:root:not([data-theme="light"]) .timeline__period { color: var(--accent); }

/* ---------- Projects / courses / reviews ---------- */
:root:not([data-theme="light"]) .project__img { position: relative; }
:root:not([data-theme="light"]) .project__img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 7, 13, .55));
}
:root:not([data-theme="light"]) .course__price strong { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
:root:not([data-theme="light"]) .course__off { background: var(--grad); box-shadow: 0 0 16px rgba(236, 72, 153, .5); }
:root:not([data-theme="light"]) .checks .icon, :root:not([data-theme="light"]) .results .icon { color: var(--accent); }
:root:not([data-theme="light"]) .initial { box-shadow: 0 0 18px rgba(236, 72, 153, .4); }
:root:not([data-theme="light"]) .stars .on, :root:not([data-theme="light"]) .card-rating { color: #fbbf24; filter: drop-shadow(0 0 4px rgba(251, 191, 36, .5)); }
:root:not([data-theme="light"]) .review__reply { background: rgba(167, 139, 250, .08); }

/* ---------- Forms ---------- */
:root:not([data-theme="light"]) .contact-form input, :root:not([data-theme="light"]) .contact-form textarea, :root:not([data-theme="light"]) .review-form input:not([type="radio"]), :root:not([data-theme="light"]) .review-form textarea {
  background: rgba(0, 0, 0, .35);
}
:root:not([data-theme="light"]) .contact-form input:focus, :root:not([data-theme="light"]) .contact-form textarea:focus, :root:not([data-theme="light"]) .review-form input:focus, :root:not([data-theme="light"]) .review-form textarea:focus {
  border-color: var(--primary-2); box-shadow: 0 0 0 4px rgba(236, 72, 153, .15), 0 0 20px rgba(236, 72, 153, .15);
}

/* ---------- Footer, WhatsApp, scrollbar ---------- */
:root:not([data-theme="light"]) .footer { background: rgba(0, 0, 0, .35); border-top: 1px solid transparent; border-image: linear-gradient(90deg, transparent, #8b5cf6, #ec4899, transparent) 1; }
:root:not([data-theme="light"]) .whatsapp-float { box-shadow: 0 0 0 0 rgba(37, 211, 102, .6); animation: ring 2.4s ease-out infinite; }
:root:not([data-theme="light"]) ::-webkit-scrollbar { width: 10px; }
:root:not([data-theme="light"]) ::-webkit-scrollbar-track { background: var(--bg); }
:root:not([data-theme="light"]) ::-webkit-scrollbar-thumb { background: linear-gradient(#8b5cf6, #ec4899); border-radius: 10px; border: 2px solid var(--bg); }
/* ---------- keyframes ---------- */
@keyframes aurora {
  0% { transform: translate(0, 0) rotate(0deg) scale(1); }
  50% { transform: translate(-4%, 3%) rotate(8deg) scale(1.08); }
  100% { transform: translate(3%, -3%) rotate(-6deg) scale(1.02); }
}
@keyframes gradShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes shine { from { background-position: 150% 0; } to { background-position: -100% 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, .6); } 100% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); } }
@keyframes ring { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .55); } 100% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); } }

@media (prefers-reduced-motion: reduce) {
  body::before, .btn--primary, .typed, .hero h1, .avatar-wrap::before, .dot, .whatsapp-float { animation: none !important; }
}

/* keep the checkout summary sticky (the glass-card rule above sets position: relative) */
:root:not([data-theme="light"]) .checkout__summary { position: sticky; }
@media (max-width: 900px) { :root:not([data-theme="light"]) .checkout__summary { position: relative; top: 0; } }