/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; transition: box-shadow .3s, background .3s, border-color .3s, color .3s; will-change: transform; white-space: nowrap; }
.btn.primary { background: linear-gradient(120deg, var(--p3), var(--p2)); color: var(--on-p); box-shadow: 0 8px 30px -8px var(--p); }
.btn.primary:hover { box-shadow: 0 8px 40px -4px var(--p2), var(--glow-sh); }
.btn.ghost { border-color: var(--border); background: var(--card); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn.ghost:hover { border-color: var(--p2); box-shadow: var(--glow-sh); }
.btn.sm { padding: .55rem 1.1rem; font-size: .85rem; }
.btn.lg { padding: 1.05rem 2rem; font-size: 1.05rem; }
.icon-btn { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border); background: var(--card); display: grid; place-items: center; transition: .25s; flex: none; }
.icon-btn:hover { border-color: var(--p2); box-shadow: var(--glow-sh); }

.glass { background: var(--card); border: 1px solid var(--border); border-radius: 20px; backdrop-filter: blur(16px) saturate(1.2); -webkit-backdrop-filter: blur(16px) saturate(1.2); box-shadow: var(--shadow); }

/* Tilt */
.tilt { transform-style: preserve-3d; transition: transform .25s var(--ease), box-shadow .3s; position: relative; overflow: hidden; }
.tilt::after { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s; background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(192, 132, 252, .28), transparent 60%); }
.tilt:hover::after { opacity: 1; }
.tilt:hover { box-shadow: var(--shadow), var(--glow-sh); }

/* Navbar */
.nav { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 110; width: min(1100px, 100% - 1.5rem); display: flex; align-items: center; gap: 1rem; padding: .7rem 1rem .7rem 1.1rem; border-radius: 999px; background: var(--nav-bg); border: 1px solid var(--border); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); transition: width .5s var(--ease), padding .4s var(--ease), top .4s; }
.nav.small { width: min(860px, 100% - 1.5rem); padding-block: .4rem; top: 8px; }
.nav-brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-h); font-weight: 700; font-size: 1.1rem; margin-right: auto; }
.nav-brand img { border-radius: 8px; }
.nav-links { display: flex; gap: .2rem; }
.nav-links a { padding: .45rem .8rem; border-radius: 999px; font-size: .9rem; color: var(--muted); transition: .25s; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(168, 85, 247, .16); }
.nav-links a.active::after { content: ''; position: absolute; left: 50%; bottom: 2px; width: 14px; height: 2px; margin-left: -7px; border-radius: 2px; background: var(--glow); box-shadow: var(--glow-sh); }
.burger { display: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); position: relative; }
.burger i { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); transition: .3s; }
.burger i:nth-child(1) { top: 15px; } .burger i:nth-child(2) { top: 23px; }
.burger[aria-expanded="true"] i:nth-child(1) { top: 19px; transform: rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { top: 19px; transform: rotate(-45deg); }
@media (max-width: 860px) {
  .burger { display: block; }
  .nav-cta { display: none; }
  .nav-links { position: absolute; top: calc(100% + 8px); left: 0; right: 0; flex-direction: column; padding: .6rem; border-radius: 22px; background: var(--card-solid); border: 1px solid var(--border); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: .3s var(--ease); }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav-links a { padding: .8rem 1rem; }
}

/* Botones flotantes */
.fabs { position: fixed; right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); z-index: 100; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.fab { position: relative; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--card-solid); border: 1px solid var(--border); box-shadow: var(--shadow); transition: transform .25s var(--ease), box-shadow .3s; color: var(--text); }
.fab:hover { transform: scale(1.08); box-shadow: var(--shadow), var(--glow-sh); }
.fab svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.backtop { opacity: 0; pointer-events: none; transform: translateY(10px); width: 44px; height: 44px; }
.backtop.show { opacity: 1; pointer-events: auto; transform: none; }
.backtop svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.backtop .ring-bg { fill: none; stroke: var(--border); stroke-width: 2; }
.backtop .ring { fill: none; stroke: var(--glow); stroke-width: 2.5; stroke-dasharray: 125.7; stroke-dashoffset: 125.7; }
.backtop span { position: relative; font-size: 1.1rem; }
.theme .i-moon { display: none; }
[data-theme="light"] .theme .i-sun { display: none; }
[data-theme="light"] .theme .i-moon { display: block; }
.pill { width: auto; padding: 0 1.1rem 0 .9rem; border-radius: 999px; gap: .5rem; grid-auto-flow: column; background: linear-gradient(120deg, var(--p3), var(--p2)); color: #fff; border: 0; font-weight: 600; font-size: .9rem; height: 46px; }
.contact-menu { position: relative; display: flex; justify-content: flex-end; }
.contact-menu ul { position: absolute; right: 0; bottom: calc(100% + 10px); display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.contact-menu li { opacity: 0; transform: translateY(12px) scale(.9); }
.contact-menu a { display: inline-flex; align-items: center; gap: .6rem; padding: .6rem 1rem; border-radius: 999px; background: var(--card-solid); border: 1px solid var(--border); font-size: .88rem; font-weight: 500; white-space: nowrap; box-shadow: var(--shadow); transition: .25s; }
.contact-menu a:hover { border-color: var(--p2); box-shadow: var(--glow-sh); }
.contact-menu svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.wa { width: 58px; height: 58px; background: #25d366; border: 0; color: #fff; }
.wa svg { fill: #fff; stroke: none; width: 30px; height: 30px; }
.wa::before { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--p2); animation: ping 2s infinite; }
@keyframes ping { 0% { transform: scale(.92); opacity: .9; } 100% { transform: scale(1.5); opacity: 0; } }
.tip { position: absolute; right: calc(100% + 10px); top: 50%; transform: translate(6px, -50%); background: var(--card-solid); color: var(--text); border: 1px solid var(--border); padding: .35rem .7rem; border-radius: 8px; font-size: .8rem; white-space: nowrap; opacity: 0; pointer-events: none; transition: .25s; }
.wa:hover .tip, .wa:focus-visible .tip { opacity: 1; transform: translate(0, -50%); }
@media (max-width: 640px) {
  .pill span { display: none; }
  .pill { width: 46px; padding: 0; }
  .fabs { gap: 8px; }
  .wa { width: 54px; height: 54px; }
  .tip { display: none; }
}

/* Filtros */
.filters { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.chip { padding: .45rem 1rem; border-radius: 999px; border: 1px solid var(--border); background: var(--card); font-size: .85rem; transition: .25s; }
.chip:hover { border-color: var(--p2); }
.chip.on { background: linear-gradient(120deg, var(--p3), var(--p2)); border-color: transparent; color: #fff; box-shadow: 0 6px 24px -8px var(--p); }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag-chip { padding: .22rem .65rem; border-radius: 999px; font-size: .75rem; background: rgba(168, 85, 247, .14); border: 1px solid var(--border); }
.tag-chip.stack { font-family: var(--font-m); background: transparent; color: var(--muted); }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-bg { position: absolute; inset: 0; background: rgba(5, 3, 10, .78); backdrop-filter: blur(8px); }
.modal-box { position: relative; width: min(1100px, 100%); max-height: 100%; display: flex; flex-direction: column; gap: .8rem; background: var(--card-solid); border: 1px solid var(--border); border-radius: 24px; padding: 1rem; box-shadow: var(--shadow), var(--glow-sh); }
.modal-top { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.modal-top b { font-family: var(--font-h); font-size: 1.1rem; margin-right: auto; }
.seg { display: flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.seg button { padding: .4rem .9rem; font-size: .82rem; }
.seg button.on { background: var(--p2); color: #fff; }
.device { margin: 0 auto; width: 100%; perspective: 1600px; transition: .5s var(--ease); }
.device .screen { position: relative; aspect-ratio: 16 / 10; width: 100%; max-height: 62vh; margin: 0 auto; border-radius: 14px 14px 4px 4px; border: 10px solid #0d0618; border-bottom-width: 14px; background: #0d0618; overflow: hidden; box-shadow: 0 30px 60px -20px rgba(139, 92, 246, .5); transform: rotateX(4deg); transition: .5s var(--ease); }
.device[data-dev="mobile"] .screen { aspect-ratio: 9 / 18; max-height: 62vh; width: auto; height: 62vh; border-radius: 34px; border-width: 10px; transform: rotateY(-8deg) rotateX(2deg); }
.screen img, .screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; object-fit: cover; object-position: top; background: #fff; }
.screen iframe { opacity: 0; transition: opacity .4s; }
.screen iframe.ok { opacity: 1; }
.modal-note { font-size: .75rem; color: var(--muted); text-align: center; min-height: 1em; }
.contact-menu ul[hidden] { display: none; }

/* ===== Móvil ===== */
@media (max-width: 900px), (pointer: coarse) {
  .nav { top: max(10px, env(safe-area-inset-top)); }
  .nav.small { top: max(6px, env(safe-area-inset-top)); }
  .burger { width: 44px; height: 44px; } .burger i { left: 13px; right: 13px; } .burger i:nth-child(1) { top: 17px; } .burger i:nth-child(2) { top: 25px; }
  .burger[aria-expanded="true"] i:nth-child(1), .burger[aria-expanded="true"] i:nth-child(2) { top: 21px; }
  .nav-links a { min-height: 46px; display: flex; align-items: center; }
  .icon-btn { width: 44px; height: 44px; }
  .chip { min-height: 44px; padding-inline: 1.1rem; }
  .btn:active, .chip:active, .fab:active, .icon-btn:active { transform: scale(.96); }
  .faq-q { min-height: 56px; }
}
@media (max-width: 640px) {
  /* Botones flotantes: WhatsApp + Contáctanos a la derecha; tema y subir a la izquierda */
  .fab { width: 44px; height: 44px; }
  .wa { width: 54px; height: 54px; }
  .pill { width: 44px; height: 44px; }
  .backtop, .theme { position: fixed; bottom: max(14px, env(safe-area-inset-bottom)); width: 42px; height: 42px; opacity: .92; }
  .theme { left: max(14px, env(safe-area-inset-left)); }
  .backtop { left: calc(max(14px, env(safe-area-inset-left)) + 50px); }
  .contact-menu a { padding: .75rem 1.1rem; min-height: 46px; }
  .modal { padding: .5rem; }
  .modal-box { padding: .7rem; border-radius: 18px; max-height: 96svh; overflow-y: auto; }
  .modal-top b { flex-basis: 100%; }
  .device[data-dev="mobile"] .screen { height: min(56svh, 520px); }
  .device .screen { max-height: 56svh; }
}