/* roas-calculator — page-specific styles only (shell/typography come from
   css/style.css + css/learn.css; this file owns the calculator widget). */

.fg--roascalc { padding-bottom: 8px; }

.rgc__kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: .01em; text-transform: none; color: var(--ink-mute); margin: 0 0 14px; }
.rgc__herobtns { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin: 8px 0 10px; }
.rgc__herobtns .btn-dark svg { border-radius: 50%; }
.rgc__or { font-size: 14px; color: var(--ink-mute); }
.rgc__nochrome { font-size: 14px; color: var(--ink-mute); margin: 0; }
.rgc__nochrome a { color: var(--ink); text-decoration: underline; text-decoration-color: rgba(17,17,16,.3); text-underline-offset: 3px; }

/* ── Hero: copy left, product shot right; calculator sits below (as the old page) ── */
.rgc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(32px, 6vw, 96px);
    align-items: center;
    padding: clamp(20px, 4vh, 56px) 0 clamp(34px, 5vw, 64px);
}
.rgc-hero__text { text-align: left; }
.rgc-hero__text h1 { font-family: var(--font-serif); font-weight: 400; font-variation-settings: 'SOFT' 50; font-size: clamp(40px, 4.4vw, 68px); line-height: 1.03; letter-spacing: -0.03em; margin: 0 0 18px; color: var(--ink); }
.rgc-hero__text .fg__sub { margin: 0 0 26px; max-width: 44ch; font-size: clamp(17px, 1.25vw, 21px); }
.rgc-hero__text .rgc__herobtns { justify-content: flex-start; margin: 0 0 12px; }
.rgc-hero__text .rgc__nochrome { margin-bottom: 22px; }
.rgc-hero__text .ticks { margin: 0; }
.rgc-hero__text .ticks li { font-size: 15px; }
.rgc-hero__visual { display: block; border-radius: 20px; overflow: hidden; box-shadow: 0 1px 2px rgba(17,17,16,.05), 0 30px 70px -30px rgba(17,17,16,.35); transition: transform .3s cubic-bezier(.2,.7,.2,1); }
.rgc-hero__visual:hover { transform: translateY(-3px); }
.rgc-hero__visual img { display: block; width: 100%; height: auto; }

/* ── Calculator card ─────────────────────────────────────────── */
.rgc {
    position: relative;
    max-width: 980px;
    margin: 28px auto clamp(48px, 6vw, 88px);
    background: #fff;
    border-radius: 26px;
    box-shadow: 0 1px 2px rgba(17,17,16,.05), 0 30px 80px -40px rgba(17,17,16,.3);
    padding: clamp(22px, 3vw, 40px);
}
.rgc__top { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; margin-bottom: 22px; }
.rgc__eyebrow { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .01em; text-transform: none; color: var(--ink-mute); flex: 1 0 100%; }
.rgc__tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: rgba(17,17,16,.05); }
.rgc__tab {
    font: inherit; font-size: 14.5px; font-weight: 500; color: var(--ink-soft);
    background: transparent; border: 0; border-radius: 999px; padding: 9px 16px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px; transition: background .2s, color .2s;
}
.rgc__tab span { font-size: 11px; font-weight: 700; letter-spacing: .02em; opacity: .7; }
.rgc__tab.is-active { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(17,17,16,.05), 0 6px 16px -8px rgba(17,17,16,.18); }
.rgc__explain { font: inherit; font-size: 13.5px; font-weight: 500; color: var(--ink-mute); background: transparent; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; }
.rgc__explain span { width: 18px; height: 18px; border-radius: 50%; background: rgba(17,17,16,.08); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: var(--ink-soft); }
.rgc__explain:hover { color: var(--ink); }
.rgc__currency { margin-left: auto; display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: rgba(17,17,16,.05); }
.rgc__currency button { font: inherit; font-size: 14px; font-weight: 600; width: 32px; height: 32px; border-radius: 50%; border: 0; background: transparent; color: var(--ink-mute); cursor: pointer; }
.rgc__currency button.is-active { background: var(--ink); color: #fff; }

.rgc__pane { display: none; }
.rgc__pane.is-active { display: block; }

.rgc__fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 18px; }
.rgc__fields--grid { grid-template-columns: repeat(3, 1fr); }
.rgc__field { display: grid; gap: 7px; }
.rgc__field span { font-size: 13px; font-weight: 500; color: var(--ink-soft); }
.rgc__field em { font-style: normal; font-weight: 400; color: var(--ink-mute); }
.rgc__input { display: flex; align-items: center; gap: 8px; background: #f7f7f5; border: 1.5px solid rgba(17,17,16,.08); border-radius: 12px; padding: 0 14px; height: 46px; transition: border-color .15s; }
.rgc__input:focus-within { border-color: var(--ink); }
.rgc__input i { font-style: normal; color: var(--ink-mute); font-size: 14px; }
.rgc__input input { flex: 1; min-width: 0; border: 0; background: transparent; font: inherit; font-size: 15.5px; color: var(--ink); font-variant-numeric: tabular-nums; }
.rgc__input input:focus { outline: none; }
.rgc__input input[type="number"] { -moz-appearance: textfield; }
.rgc__input input[type="number"]::-webkit-outer-spin-button,
.rgc__input input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.rgc__vatq { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; background: #f7f7f5; border-radius: 12px; padding: 12px 16px; margin-bottom: 18px; font-size: 14px; }
.rgc__vatq-toggle { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: #fff; }
.rgc__vatq-toggle button { font: inherit; font-size: 13px; font-weight: 600; border: 0; background: transparent; border-radius: 999px; padding: 6px 14px; color: var(--ink-mute); cursor: pointer; }
.rgc__vatq-toggle button.is-active { background: var(--ink); color: #fff; }

.rgc__layers-title { font-size: 14px; font-weight: 600; color: var(--ink); margin: 0 0 14px; }
.rgc__layers-title em { font-style: normal; font-weight: 400; color: var(--ink-mute); font-size: 13px; }

.rgc__run { display: flex; align-items: center; gap: 16px; margin: 6px 0 20px; flex-wrap: wrap; }
.rgc__run .btn-dark { height: 48px; padding: 0 28px; font-size: 15px; }
.rgc__status { font-size: 13.5px; color: #b45309; }
.rgc__status a { color: inherit; text-decoration: underline; }

.rgc__outs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.rgc__outs--wide { grid-template-columns: repeat(3, 1fr); }
.rgc__out { background: #f7f7f5; border-radius: 14px; padding: 14px 16px; position: relative; }
.rgc__out span { display: block; font-size: 12px; color: var(--ink-mute); margin-bottom: 6px; }
.rgc__out span em { font-style: normal; }
.rgc__out b { display: block; font-family: var(--font-mono); font-size: clamp(18px, 2vw, 24px); font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.rgc__out--hl { background: #141413; }
.rgc__out--hl span { color: rgba(255,255,255,.55); }
.rgc__out--hl b { color: #fff; }
.rgc__out-foot { display: block; font-style: normal; font-size: 11.5px; color: #fbbf24; margin-top: 6px; line-height: 1.4; }

.rgc__note { font-size: 14px; color: var(--ink-mute); line-height: 1.55; margin: 0; }
.rgc__note a { color: var(--ink); font-weight: 500; text-decoration: underline; text-decoration-color: rgba(17,17,16,.3); text-underline-offset: 3px; }
.rgc__note b { color: var(--ink); }

/* ── COGS+ explain modal ─────────────────────────────────────── */
.rgc__modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 24px; }
.rgc__modal[hidden] { display: none; }
.rgc__modal-backdrop { position: absolute; inset: 0; background: rgba(17,17,16,.5); backdrop-filter: blur(3px); }
.rgc__modal-card { position: relative; background: #fff; border-radius: 22px; max-width: 560px; width: 100%; max-height: 86vh; overflow-y: auto; padding: clamp(26px, 4vw, 40px); box-shadow: 0 40px 100px -30px rgba(0,0,0,.5); }
.rgc__modal-close { position: absolute; top: 18px; right: 18px; width: 32px; height: 32px; border-radius: 50%; background: rgba(17,17,16,.06); border: 0; color: var(--ink-soft); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.rgc__modal-close svg { width: 12px; height: 12px; }
.rgc__modal-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: .01em; text-transform: none; color: var(--ink-mute); margin: 0 0 8px; }
.rgc__modal-card h3 { font-family: var(--font-serif); font-weight: 400; font-variation-settings: 'SOFT' 50; font-size: clamp(26px, 3vw, 34px); margin: 0 0 16px; letter-spacing: -0.02em; }
.rgc__modal-card p { font-size: 15.5px; font-weight: 300; line-height: 1.6; color: var(--ink-soft); margin: 0 0 14px; }
.rgc__modal-card p b { font-weight: 600; color: var(--ink); }
.rgc__modal-cta { margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(17,17,16,.08); text-align: center; }
.rgc__modal-cta .btn-dark { height: 48px; padding: 0 26px; font-size: 15px; margin-bottom: 12px; }
.rgc__modal-cta-title { font-weight: 600 !important; color: var(--ink) !important; margin: 0 0 4px !important; }
.rgc__modal-cta-sub { font-size: 13.5px !important; color: var(--ink-mute) !important; margin: 0 !important; }

/* ── ROAS-formula mini calculator (calc-guide) ───────────────── */
.rgc-mini { display: grid; grid-template-columns: 1fr 1fr auto; gap: 14px; align-items: end; background: #f7f7f5; border-radius: 16px; padding: 18px; margin: 14px 0 20px; }
.rgc-mini__out { text-align: center; }
.rgc-mini__out span { display: block; font-size: 12px; color: var(--ink-mute); margin-bottom: 6px; }
.rgc-mini__out b { display: block; font-family: var(--font-mono); font-size: 20px; font-weight: 600; color: var(--ink); }

.rgc-kp { background: #f7f7f5; border-left: 3px solid var(--ink); border-radius: 0 14px 14px 0; padding: 16px 20px; margin-top: 20px; }
.rgc-kp h5 { font-size: 14.5px; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
.rgc-kp p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.55; margin: 0; max-width: none; }

@media (max-width: 900px) {
    .rgc__fields--grid { grid-template-columns: 1fr 1fr; }
    .rgc__outs, .rgc__outs--wide { grid-template-columns: 1fr 1fr; }
    .rgc-mini { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .rgc { padding: 20px 16px; border-radius: 20px; }
    .rgc__fields, .rgc__fields--grid, .rgc__outs, .rgc__outs--wide { grid-template-columns: 1fr; }
    .rgc__currency { margin-left: 0; }
    .rgc__top { flex-direction: column; align-items: stretch; }
    .rgc__tabs, .rgc__currency { justify-content: center; }
}

@media (max-width: 900px) {
    .rgc-hero { grid-template-columns: 1fr; gap: 30px; }
}
/* grid children must be allowed to shrink below their input's intrinsic width */
.rgc__fields > *, .rgc__outs > *, .rgc-mini > * { min-width: 0; }
.rgc__input, .rgc__input input, .rgc__field select { min-width: 0; max-width: 100%; }


/* ---- save gate (js/pages/roas-gate.js) ----
   The only entry into the gROAS email sequence: it posts to
   /api/frontend/extension-signup, which mints the pre-account. Copy is carried
   verbatim from frontend3; the skin is frontend4's. */
.rgc__save { margin: 18px 0 0; }
.rgc__save-btn { height: 48px; padding: 0 24px; font-size: 15px; }
.rgc__saved { margin: 14px 0 0; font-size: 14px; font-weight: 500; color: var(--status-strong, #047857); }

.rgc__gate { position: fixed; inset: 0; z-index: 220; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(17,17,16,.34); }
.rgc__gate[hidden] { display: none; }
.rgc__gate-card {
    position: relative; width: min(420px, 100%);
    background: #fff; border-radius: 22px; padding: clamp(26px, 3.4vw, 36px);
    box-shadow: 0 1px 2px rgba(17,17,16,.04), 0 30px 70px -30px rgba(17,17,16,.45);
}
.rgc__gate-x { position: absolute; top: 14px; right: 16px; border: 0; background: none; font-size: 22px; line-height: 1; color: var(--ink-mute); cursor: pointer; }
.rgc__gate-x:hover { color: var(--ink); }
.rgc__gate-k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .01em; color: var(--ink-mute); margin: 0 0 10px; }
.rgc__gate-h { font-family: var(--font-serif); font-weight: 400; font-variation-settings: 'SOFT' 50; font-size: 28px; line-height: 1.08; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 6px; }
.rgc__gate-s { font-size: 15px; font-weight: 300; color: var(--ink-soft); margin: 0 0 16px; }
.rgc__gate-card input {
    width: 100%; height: 50px; padding: 0 16px; border-radius: 14px;
    border: 1px solid rgba(17,17,16,.14); background: #fff;
    font: inherit; font-size: 15.5px; color: var(--ink); outline: none;
}
.rgc__gate-card input:focus { border-color: var(--ink); }
.rgc__gate-err { margin: 10px 0 0; font-size: 13.5px; color: var(--status-problem, #be123c); }
.rgc__gate-go {
    width: 100%; height: 50px; margin-top: 14px; border: 0; border-radius: 999px;
    background: var(--ink); color: #fff; font: inherit; font-size: 15.5px; font-weight: 500; cursor: pointer;
    box-shadow: 0 10px 30px -12px rgba(17,17,16,.45);
    transition: transform .25s cubic-bezier(.2,.7,.2,1), background .2s;
}
.rgc__gate-go:hover:not(:disabled) { transform: translateY(-1px); background: #000; }
.rgc__gate-go:disabled { opacity: .55; cursor: default; }
.rgc__gate-fine { margin: 14px 0 0; font-size: 12.5px; font-weight: 300; line-height: 1.5; color: var(--ink-mute); }
.rgc__gate-fine a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { .rgc__gate-go { transition: none; } }