/* ==========================================================================
   AI cost calculator (Design D). Loaded after home.css and services.css on
   ai-cost-calculator.html, whose <body> carries `home svc calc`. Form chips and
   fields reuse the waitlist styles (.wl-chip, .wl-field) from home.css.
   ========================================================================== */

.calc .calc-noscript { text-align: center; color: var(--d-text-dim); margin-bottom: 2rem; }
.calc .calc-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(1.25rem, 3vw, 2rem); align-items: start; }

/* ---------- Steps ---------- */
.calc .calc-form { display: grid; gap: 1rem; }
.calc .calc-step { margin: 0; min-width: 0; padding: clamp(1.25rem, 3vw, 1.75rem); background: var(--d-surface); border: 1px solid var(--d-border); border-radius: var(--d-r-lg); }
.calc .calc-step[hidden] { display: none; }
.calc .calc-step legend { float: left; width: 100%; display: flex; align-items: center; gap: .65rem; padding: 0; margin-bottom: 1.1rem; font-family: 'Outfit', sans-serif; font-size: 1.15rem; font-weight: 600; color: var(--d-text); }
.calc .calc-step legend + * { clear: both; }
.calc .calc-step legend b { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; font-size: .85rem; color: var(--d-accent-strong); background: var(--d-accent-soft); border: 1px solid rgba(139, 124, 255, .3); flex-shrink: 0; }
.calc .calc-hint { margin: 0 0 .85rem; font-size: .88rem; color: var(--d-text-dim); }
.calc .calc-hint-gap { margin-top: 1.25rem; }

/* Selectable cards: project type and tier */
.calc .calc-types { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.calc .calc-type,
.calc .calc-tier { position: relative; display: block; cursor: pointer; border-radius: var(--d-r); background: var(--d-surface-2); border: 1px solid var(--d-border); transition: border-color .2s, background .2s; }
.calc .calc-type input,
.calc .calc-tier input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.calc .calc-type:hover,
.calc .calc-tier:hover { border-color: var(--d-border-strong); }
.calc .calc-type:has(input:checked),
.calc .calc-tier:has(input:checked) { border-color: var(--d-accent); background: var(--d-accent-soft); }
.calc .calc-type:has(input:focus-visible),
.calc .calc-tier:has(input:focus-visible) { outline: 2px solid var(--d-accent); outline-offset: 2px; }
.calc .calc-type span { display: grid; gap: .3rem; padding: 1rem; }
.calc .calc-type strong { font-size: .95rem; font-weight: 600; }
.calc .calc-type small { font-size: .8rem; color: var(--d-text-dim); line-height: 1.45; }
.calc .calc-tiers { display: grid; gap: .5rem; }
.calc .calc-tier { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .8rem 1rem; }
.calc .calc-tier-name { font-size: .92rem; }
.calc .calc-tier-meta { font-size: .8rem; color: var(--d-text-faint); white-space: nowrap; }
.calc .calc-tier:has(input:checked) .calc-tier-meta { color: var(--d-accent-strong); }

/* Integration counters */
.calc .calc-counters { display: grid; gap: .5rem; }
.calc .calc-counter { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem .8rem .7rem 1rem; border-radius: var(--d-r); background: var(--d-surface-2); border: 1px solid var(--d-border); }
.calc .calc-counter > span { display: grid; gap: .15rem; min-width: 0; }
.calc .calc-counter strong { font-size: .9rem; font-weight: 500; }
.calc .calc-counter small { font-size: .78rem; color: var(--d-text-faint); }
.calc .calc-stepper { display: flex; align-items: center; gap: .25rem; flex-shrink: 0; }
.calc .calc-stepper button { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--d-border-strong); background: transparent; color: var(--d-text); cursor: pointer; transition: background .2s; }
.calc .calc-stepper button:hover { background: var(--d-surface-3); }
.calc .calc-stepper button svg { width: 14px; height: 14px; }
.calc .calc-stepper input { width: 3rem; text-align: center; padding: .35rem 0; font-size: .95rem; color: var(--d-text); background: transparent; border: 0; -moz-appearance: textfield; appearance: textfield; }
.calc .calc-stepper input::-webkit-inner-spin-button,
.calc .calc-stepper input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.calc .calc-inline { display: flex; align-items: center; gap: .75rem; margin-top: 1rem; font-size: .88rem; color: var(--d-text-dim); }
.calc .calc-inline[hidden] { display: none; }
.calc .calc-inline input,
.calc .calc-email textarea { padding: .6rem .8rem; font-size: .95rem; color: var(--d-text); background: var(--d-surface-2); border: 1px solid var(--d-border-strong); border-radius: var(--d-r-sm); outline: none; }
.calc .calc-inline input { width: 5.5rem; }
.calc .calc-inline input:focus,
.calc .calc-email textarea:focus { border-color: var(--d-accent); box-shadow: 0 0 0 3px var(--d-accent-soft); }

.calc .calc-check { display: flex; align-items: center; gap: .65rem; font-size: .92rem; cursor: pointer; }
.calc .calc-check input { width: 18px; height: 18px; accent-color: var(--d-accent); }
.calc .calc-roi { margin-top: 1.1rem; padding-top: 1.1rem; border-top: 1px solid var(--d-border); }
.calc .calc-roi summary { cursor: pointer; font-size: .92rem; font-weight: 500; color: var(--d-accent-strong); }
.calc .calc-roi summary small { color: var(--d-text-faint); font-weight: 400; }
.calc .calc-roi .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; margin: 1rem 0 .75rem; }
.calc .calc-roi .wl-field > span { min-height: 2.4em; display: flex; align-items: flex-end; }

/* ---------- Result panel ---------- */
.calc .calc-result { position: sticky; top: 96px; display: grid; gap: .75rem; }
.calc .calc-panel { position: relative; overflow: hidden; display: grid; gap: .25rem; padding: clamp(1.5rem, 3vw, 2rem); border-radius: 28px; border: 1px solid var(--d-border-strong); background: radial-gradient(circle at 100% 0%, rgba(139, 124, 255, .22), transparent 60%), var(--d-surface); }
.calc .calc-kicker { margin: 0 0 .75rem; justify-self: start; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--d-accent-strong); }
.calc .calc-label { margin: 0; font-size: .85rem; color: var(--d-text-dim); }
.calc .calc-big { margin: 0 0 1rem; font-family: 'Outfit', sans-serif; font-size: clamp(2.2rem, 5vw, 3rem); font-weight: 700; line-height: 1.05; letter-spacing: -.02em; }
.calc .calc-lines { list-style: none; padding: 0; margin: 0 0 1.25rem; display: grid; gap: .45rem; }
.calc .calc-lines li { display: flex; justify-content: space-between; gap: 1rem; font-size: .85rem; color: var(--d-text-dim); }
.calc .calc-lines b { font-weight: 500; color: var(--d-text); white-space: nowrap; }
.calc .calc-stats { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin: 0 0 1rem; }
.calc .calc-stats div { padding: .8rem .9rem; border-radius: var(--d-r); background: var(--d-surface-2); border: 1px solid var(--d-border); }
.calc .calc-stats div[hidden] { display: none; }
.calc .calc-stats dt { font-size: .75rem; color: var(--d-text-faint); margin-bottom: .2rem; }
.calc .calc-stats dd { margin: 0; font-family: 'Outfit', sans-serif; font-size: 1.05rem; font-weight: 600; }
.calc .calc-note { margin: 0 0 1.25rem; font-size: .8rem; color: var(--d-text-faint); line-height: 1.5; }
.calc .calc-actions { display: grid; gap: .6rem; }
.calc .calc-actions[hidden] { display: none; }
.calc .calc-actions .btn { width: 100%; }
/* .btn-ghost is otherwise only used on links; a <button> needs the UA background and font reset */
.calc button.btn { font-family: inherit; }
.calc button.btn-ghost { background: transparent; }
.calc button.btn-ghost:hover { background: var(--d-surface-2); }
.calc .calc-email { gap: .85rem; }
.calc .calc-email-title { margin: 0; font-size: .9rem; color: var(--d-text-dim); }
.calc .calc-email .wl-field small { color: var(--d-text-faint); font-weight: 400; }
.calc .calc-email textarea { width: 100%; resize: vertical; font-family: inherit; }
.calc .calc-sent { display: flex; gap: .8rem; align-items: flex-start; padding: 1rem; border-radius: var(--d-r); background: rgba(74, 222, 128, .08); border: 1px solid rgba(74, 222, 128, .3); }
.calc .calc-sent[hidden] { display: none; }
.calc .calc-sent p { margin: 0; font-size: .9rem; color: var(--d-text-dim); }
.calc .calc-sent strong { color: var(--d-text); }
.calc .calc-sent-ic { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--d-ok); color: #0d0a24; flex-shrink: 0; }
.calc .calc-sent-ic svg { width: 15px; height: 15px; }
.calc .calc-disclaimer { margin: 0; text-align: center; font-size: .78rem; color: var(--d-text-faint); }

/* Mobile-only pill; JS unhides it while the result panel is off screen. Sits between
   the scroll-to-top button (bottom left) and the floating WhatsApp / Book a Call buttons. */
.calc .calc-mini { position: fixed; left: 68px; bottom: 16px; z-index: 900; display: flex; align-items: baseline; gap: .5rem; padding: .7rem 1.1rem; border-radius: 999px; color: var(--d-text); background: var(--d-surface-3); border: 1px solid var(--d-accent); box-shadow: 0 10px 30px -10px var(--d-accent-glow); }
.calc .calc-mini[hidden] { display: none; }
.calc .calc-mini small { font-size: .75rem; color: var(--d-text-dim); }
.calc .calc-mini b { font-family: 'Outfit', sans-serif; font-size: 1rem; font-weight: 600; }

@media (max-width: 960px) {
    .calc .calc-grid { grid-template-columns: 1fr; }
    .calc .calc-result { position: static; scroll-margin-top: 90px; }
    .calc #r-build { scroll-margin-top: 160px; }
}
@media (max-width: 640px) {
    .calc .calc-types { grid-template-columns: 1fr; }
    .calc .calc-tier { flex-direction: column; gap: .2rem; }
    .calc .calc-roi .form-row,
    .calc .calc-email .form-row { grid-template-columns: 1fr; }
    .calc .calc-roi .wl-field > span { min-height: 0; }
    .calc .calc-stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 380px) {
    .calc .calc-mini small { display: none; }
}