/* Botones */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    height: 48px; padding: 0 24px; border-radius: var(--r);
    font-family: var(--font-body); font-weight: 600; font-size: 15px; white-space: nowrap;
    border: 1px solid transparent; cursor: pointer;
    transition: transform .3s var(--ease), box-shadow .3s, background .3s, border-color .3s, opacity .3s;
}
.btn .icon { font-size: 16px; transition: transform .3s var(--ease); }
.btn:hover .icon { transform: translateX(4px); }
.btn:active { transform: scale(.98); }
.btn-sm { height: 44px; font-size: 14px; }
.btn-lg { height: 54px; padding: 0 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: linear-gradient(90deg, var(--primary), var(--primary-3)); color: var(--on-primary); box-shadow: var(--shadow-button); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(var(--primary-rgb), .38); }
.btn-secondary { background: var(--surface); border-color: var(--border-strong); color: var(--fg); }
.btn-secondary:hover { background: var(--surface-2); border-color: var(--border-accent); }
.btn-on-primary { background: var(--bg); color: var(--primary); }
.btn-on-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0, 0, 0, .35); }
.btn-on-primary:hover .icon { transform: none; }
.btn[disabled] { opacity: .45; cursor: not-allowed; box-shadow: none; transform: none; }

/* Tarjetas */
.card {
    background: var(--gradient-card), var(--card);
    border: 1px solid var(--border); border-radius: var(--r-lg);
    box-shadow: var(--shadow-card); padding: 32px;
    transition: transform .4s var(--ease), border-color .3s, box-shadow .3s;
}
a.card:hover { transform: translateY(-4px); border-color: var(--border-accent); box-shadow: var(--shadow-card), var(--shadow-glow); }

/* Píldoras y etiquetas */
.pill {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
    border: 1px solid var(--border-accent); border-radius: var(--r-pill);
    background: rgba(var(--primary-rgb), .07); color: var(--fg-2);
    font-size: 12px; font-weight: 500; transition: background .3s, color .3s;
}
.pill .icon { font-size: 14px; color: var(--primary); }
a.pill:hover { background: rgba(var(--primary-rgb), .14); color: var(--fg); }
.badge {
    display: inline-flex; align-items: center; padding: 4px 12px;
    border: 1px solid var(--border-accent); border-radius: var(--r-pill);
    background: rgba(var(--primary-rgb), .07); color: var(--primary);
    font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
}
.badge-accent { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.icon-box {
    display: inline-grid; place-items: center; width: 44px; height: 44px; flex: none;
    border-radius: var(--r); background: rgba(var(--primary-rgb), .1); border: 1px solid var(--border-accent);
    color: var(--primary); font-size: 20px;
}
.window-dots { display: inline-flex; gap: 6px; }
.window-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .16); }

/* Campos */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; min-width: 0; }
.field label { font-size: 14px; font-weight: 500; color: var(--fg-2); }
.field input, .field textarea {
    width: 100%; min-height: 46px; padding: 11px 14px;
    border: 1px solid var(--border); border-radius: var(--r);
    background: var(--surface); color: var(--fg); font: inherit; font-size: 15px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .16); background: var(--surface-2); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--danger); }
.field-error { font-size: 12.5px; color: var(--danger); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 599px) { .field-row { grid-template-columns: 1fr; } }

/* Diálogo de servicio */
.modal {
    width: min(880px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0;
    border: 1px solid var(--border-accent); border-radius: var(--r-xl);
    background: var(--bg-2); color: var(--fg); box-shadow: 0 30px 80px rgba(0, 0, 0, .7), var(--shadow-glow);
    overflow: auto;
}
.modal::backdrop { background: rgba(0, 0, 0, .72); backdrop-filter: blur(6px); }
.modal[open] { animation: bubble-in .35s var(--ease); }
.modal-close {
    position: sticky; top: 16px; margin: 16px 16px 0 auto; display: flex; align-items: center; gap: 8px; z-index: 2; width: fit-content;
    padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: var(--r-pill);
    background: var(--bg-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--fg-2);
}
.modal-close span { font-size: 16px; line-height: 1; }
.modal-close:hover { border-color: var(--border-accent); color: var(--primary); }
.modal-body { padding: 8px 40px 40px; }
.modal-hero { text-align: center; margin-bottom: 32px; }
.modal-hero h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
.modal-price {
    display: inline-block; margin-top: 16px; padding: 8px 20px; border-radius: var(--r-pill);
    background: rgba(var(--primary-rgb), .08); border: 1px solid rgba(var(--primary-rgb), .3);
    color: var(--primary); font-family: var(--font-mono); font-size: 14px; font-weight: 500; letter-spacing: .03em;
}
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.modal-grid h3 { font-size: 1.1rem; margin-bottom: 16px; }
.detail-list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); color: var(--fg-2); font-size: 15px; }
.detail-list .icon { color: var(--primary); font-size: 18px; margin-top: 2px; }
.savings-card { padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); }
.savings-card + .savings-card { margin-top: 16px; }
.savings-val { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--primary); }
.savings-card p { margin-top: 6px; font-size: 13.5px; color: var(--muted-fg); }
.modal-footer { margin-top: 32px; display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; }
.modal-footer > p { font-size: 1.05rem; color: var(--fg-2); }
.modal-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
@media (max-width: 699px) {
    .modal-body { padding: 8px 20px 28px; }
    .modal-grid { grid-template-columns: 1fr; gap: 24px; }
    .modal-actions .btn { width: 100%; }
}

/* Asistente flotante */
.assistant { position: fixed; right: 24px; bottom: 24px; z-index: 60; }
.assistant-toggle {
    display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%;
    background: var(--gradient-primary); color: var(--on-primary); font-size: 24px;
    box-shadow: var(--shadow-button); transition: transform .3s var(--ease), box-shadow .3s;
}
.assistant-toggle:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 10px 30px rgba(var(--primary-rgb), .4); }
.assistant-panel {
    position: absolute; right: 0; bottom: 72px; width: 344px; height: 460px; max-height: calc(100vh - 120px);
    display: flex; flex-direction: column; overflow: hidden;
    border: 1px solid var(--border-accent); border-radius: var(--r-lg);
    background: var(--bg-2); box-shadow: 0 24px 60px rgba(0, 0, 0, .65), var(--shadow-glow);
    animation: bubble-in .3s var(--ease);
}
.assistant-panel[hidden] { display: none; }
.assistant-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--gradient-primary); color: var(--on-primary); }
.assistant-head strong { display: block; font-size: 14px; }
.assistant-head span { font-size: 12px; opacity: .75; }
.assistant-head button { margin-left: auto; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; font-size: 18px; color: var(--on-primary); }
.assistant-head button:hover { background: rgba(0, 0, 0, .12); }
.chat-avatar { display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 50%; background: rgba(0, 0, 0, .16); font-size: 18px; }
.assistant-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.assistant-quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 12px; }
.assistant-quick button { padding: 6px 12px; border: 1px solid var(--border-accent); border-radius: var(--r-pill); font-size: 12px; color: var(--primary); background: rgba(var(--primary-rgb), .06); transition: background .2s; }
.assistant-quick button:hover { background: rgba(var(--primary-rgb), .16); }
.assistant-form { display: flex; align-items: flex-end; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
.assistant-form textarea { flex: 1; min-height: 40px; max-height: 96px; padding: 9px 12px; resize: none; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); color: var(--fg); font: inherit; font-size: 14px; }
.assistant-form textarea:focus { outline: none; border-color: var(--primary); }
.assistant-form button { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%; background: var(--gradient-primary); color: var(--on-primary); font-size: 17px; }

/* Burbujas (hero y asistente) */
.msg { display: flex; align-items: flex-end; gap: 8px; max-width: 88%; animation: bubble-in .4s var(--ease) both; }
.msg-user { align-self: flex-end; flex-direction: row-reverse; }
.msg-avatar { display: grid; place-items: center; width: 28px; height: 28px; flex: none; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted-fg); font-size: 14px; }
.bubble { padding: 10px 14px; border-radius: 16px; font-size: 14px; line-height: 1.45; }
.msg-bot .bubble { background: var(--bg-3); border: 1px solid var(--border); color: var(--fg-2); border-bottom-left-radius: 4px; }
.msg-user .bubble { background: var(--gradient-primary); color: var(--on-primary); font-weight: 500; border-bottom-right-radius: 4px; }
.typing { display: inline-flex; gap: 4px; padding: 14px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted-fg); animation: typing 1.1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; }
.typing i:nth-child(3) { animation-delay: .3s; }

@media (max-width: 479px) {
    .assistant { right: 16px; bottom: 16px; }
    .assistant-panel { position: fixed; right: 12px; left: 12px; bottom: 84px; width: auto; height: min(70vh, 520px); }
}