/* SDPW Water Filtration Builder — front-end styles.
 * Neutral, theme-agnostic; override the --pwfb-* vars to match the SDPW brand. */
.pwfb-app {
	/* San Diego Pure Water brand (sandiegopurewater.com) */
	--pwfb-accent: #0B7EA3;       /* SDPW teal — CTAs */
	--pwfb-accent-dark: #086684;  /* teal hover */
	--pwfb-sky: #5EC8E8;          /* light aqua accent */
	--pwfb-ink: #0A2540;          /* deep navy */
	--pwfb-muted: #546E7A;
	--pwfb-line: #D0DCE8;
	--pwfb-bg: #ffffff;
	--pwfb-soft: #F4F7FA;
	--pwfb-soft-blue: #E8F4F8;
	--pwfb-radius: 14px;
	--pwfb-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--pwfb-font-head: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: #333333;
	font-family: var(--pwfb-font-body);
	max-width: 1040px;
	margin: 0 auto;
	line-height: 1.45;
}
.pwfb-app .pwfb-h,
.pwfb-app .pwfb-tier-name,
.pwfb-app .pwfb-q,
.pwfb-app .pwfb-choice-t,
.pwfb-app .pwfb-section-title,
.pwfb-app .pwfb-bar-t { font-family: var(--pwfb-font-head); color: var(--pwfb-ink); }
.pwfb-app *, .pwfb-app *::before, .pwfb-app *::after { box-sizing: border-box; }

.pwfb-loading { padding: 48px; text-align: center; color: var(--pwfb-muted); }

/* Home */
.pwfb-home { text-align: center; padding: 24px 12px 8px; }
.pwfb-h { font-size: 28px; margin: 0 0 6px; font-weight: 800; letter-spacing: -0.01em; }
.pwfb-sub { color: var(--pwfb-muted); margin: 0 0 24px; font-size: 16px; }
.pwfb-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pwfb-choice {
	display: flex; flex-direction: column; gap: 6px; text-align: left;
	padding: 24px; border: 1.5px solid var(--pwfb-line); border-radius: var(--pwfb-radius);
	background: var(--pwfb-bg); cursor: pointer; transition: border-color .15s, transform .1s, box-shadow .15s;
}
.pwfb-choice:hover { border-color: var(--pwfb-accent); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11,126,163,.14); }
.pwfb-choice-t { font-size: 19px; font-weight: 700; }
.pwfb-choice-d { color: var(--pwfb-muted); font-size: 14px; }

/* Bar / back */
.pwfb-bar { display: flex; align-items: center; gap: 14px; margin: 8px 0 18px; }
.pwfb-back { background: none; border: none; color: var(--pwfb-accent); cursor: pointer; font-size: 14px; font-weight: 600; padding: 6px 0; }
.pwfb-bar-t { font-weight: 700; font-size: 18px; }

/* Cards */
.pwfb-card { border: 1.5px solid var(--pwfb-line); border-radius: var(--pwfb-radius); overflow: hidden; background: var(--pwfb-bg); display: flex; flex-direction: column; position: relative; }
.pwfb-card-top { border-color: var(--pwfb-accent); box-shadow: 0 8px 26px rgba(11,126,163,.18); }
.pwfb-card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pwfb-price { font-size: 20px; font-weight: 800; margin-top: 2px; color: var(--pwfb-ink); }
.pwfb-price span { font-size: 12px; font-weight: 500; color: var(--pwfb-muted); }

.pwfb-btn { margin-top: auto; background: var(--pwfb-accent); color: #fff; border: none; border-radius: 10px; padding: 12px 16px; font-size: 15px; font-weight: 700; cursor: pointer; transition: background .15s; }
.pwfb-btn:hover { background: var(--pwfb-accent-dark); }
.pwfb-btn:disabled { opacity: .6; cursor: default; }

.pwfb-note { color: var(--pwfb-muted); font-size: 13px; margin-top: 18px; }
.pwfb-note a { color: var(--pwfb-accent); }

/* Packages: "not sure?" guide banner */
.pwfb-guide { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
	background: var(--pwfb-soft-blue); border: 1.5px solid var(--pwfb-line); border-left: 5px solid var(--pwfb-accent);
	border-radius: var(--pwfb-radius); padding: 16px 20px; margin-bottom: 28px; }
.pwfb-guide-txt { font-size: 15px; color: var(--pwfb-ink); flex: 1 1 260px; }
.pwfb-guide-txt strong { font-weight: 700; }
.pwfb-guide-btn { margin: 0; white-space: nowrap; }

/* Sections */
.pwfb-section { margin-bottom: 36px; }
.pwfb-section-head { margin-bottom: 16px; }
.pwfb-section-title { font-size: 23px; font-weight: 700; margin: 0 0 4px; }
.pwfb-section-sub { margin: 0; color: var(--pwfb-muted); font-size: 14.5px; max-width: 70ch; }

/* SoftPure vs HomePure comparison */
.pwfb-proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 22px; }
.pwfb-pc { border: 1px solid var(--pwfb-line); border-radius: 12px; padding: 14px 16px 16px; background: var(--pwfb-soft-blue); }
.pwfb-pc-title { font-weight: 800; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 9px; color: var(--pwfb-accent); }
.pwfb-pc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.pwfb-pc li { position: relative; padding-left: 24px; font-size: 14px; color: var(--pwfb-ink); line-height: 1.35; }
.pwfb-pc li::before { content: '✓'; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--pwfb-accent); }

/* Home size selector */
.pwfb-size-wrap { margin: 4px 0 22px; }
.pwfb-size-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--pwfb-muted); margin-bottom: 8px; }
.pwfb-sizes { display: flex; flex-wrap: wrap; gap: 10px; }
.pwfb-app .pwfb-size-pill { border: 1.5px solid var(--pwfb-line); background: #fff; border-radius: 999px; padding: 9px 16px; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--pwfb-ink); transition: border-color .12s, background .12s, color .12s; }
.pwfb-app .pwfb-size-pill:hover { border-color: var(--pwfb-accent); color: var(--pwfb-ink); background: #fff; }
.pwfb-app .pwfb-size-pill.sel { background: var(--pwfb-accent); border-color: var(--pwfb-accent); color: #fff; }
.pwfb-size-sub { margin-top: 9px; font-size: 13px; color: var(--pwfb-muted); }

/* System cards */
.pwfb-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pwfb-tiers-two { grid-template-columns: 1fr 1fr; }
.pwfb-tiers-single { grid-template-columns: 1fr; max-width: 560px; }
.pwfb-tier-card { position: relative; }
.pwfb-tier-card .pwfb-card-body { padding-top: 18px; gap: 6px; }
.pwfb-tier-name { font-size: 22px; font-weight: 800; }
.pwfb-tier-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--pwfb-accent); }
.pwfb-tier-desc { font-size: 13.5px; color: var(--pwfb-muted); margin: 4px 0; }
.pwfb-inclu { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pwfb-inclu li { position: relative; padding-left: 22px; font-size: 13.5px; color: var(--pwfb-ink); line-height: 1.35; }
.pwfb-inclu li::before { content: '✓'; position: absolute; left: 0; top: 0; color: #12a150; font-weight: 800; }

.pwfb-tbadge { position: absolute; top: 12px; right: 12px; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px; z-index: 2; }
.pwfb-tbadge-pop { background: var(--pwfb-sky); color: var(--pwfb-ink); }
.pwfb-tbadge-val { background: var(--pwfb-ink); color: #fff; }
.pwfb-tbadge-rec { background: var(--pwfb-accent); color: #fff; }

/* Dual price rows (RO card) */
.pwfb-tl-prices { display: grid; gap: 8px; margin: 6px 0 2px; }
.pwfb-tl-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding: 8px 12px; background: var(--pwfb-soft); border-radius: 10px; }
.pwfb-tl-amt { font-size: 19px; font-weight: 800; color: var(--pwfb-ink); }
.pwfb-tl-lbl { font-size: 13px; color: var(--pwfb-muted); }

/* Guarantees strip */
.pwfb-guarantees { display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: center; background: var(--pwfb-soft-blue); border: 1px solid var(--pwfb-line); border-radius: var(--pwfb-radius); padding: 16px 20px; margin: 24px 0 4px; }
.pwfb-guarantee { font-size: 13px; color: var(--pwfb-ink); display: flex; align-items: center; gap: 7px; }
.pwfb-g-ico { color: var(--pwfb-accent); font-weight: 800; }

/* Recommendation header */
.pwfb-rec-head { margin-bottom: 20px; }
.pwfb-results-note { font-size: 14px; color: var(--pwfb-muted); margin: 0 0 14px; }

/* Quiz */
.pwfb-progress { height: 6px; background: var(--pwfb-soft); border-radius: 999px; overflow: hidden; }
.pwfb-progress-bar { height: 100%; background: var(--pwfb-accent); transition: width .25s; }
.pwfb-step { color: var(--pwfb-muted); font-size: 13px; margin: 14px 0 4px; }
.pwfb-q { font-size: 22px; margin: 0 0 18px; font-weight: 700; }
.pwfb-opts { display: grid; gap: 10px; }
.pwfb-app .pwfb-opt { text-align: left; padding: 16px 18px; border: 1.5px solid var(--pwfb-line); border-radius: 12px; background: var(--pwfb-bg); color: var(--pwfb-ink); font-size: 16px; cursor: pointer; transition: border-color .15s, background .15s; }
.pwfb-app .pwfb-opt:hover, .pwfb-app .pwfb-opt.pwfb-opt-sel { border-color: var(--pwfb-accent); background: var(--pwfb-soft-blue); color: var(--pwfb-ink); }

/* Lead form */
.pwfb-lead-sel { background: var(--pwfb-soft-blue); border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; }
.pwfb-form { display: grid; gap: 14px; max-width: 460px; }
.pwfb-form label { display: grid; gap: 5px; font-size: 13px; font-weight: 600; color: var(--pwfb-muted); }
.pwfb-form input { padding: 12px 14px; border: 1.5px solid var(--pwfb-line); border-radius: 10px; font-size: 16px; color: var(--pwfb-ink); }
.pwfb-form input:focus { outline: none; border-color: var(--pwfb-accent); }
.pwfb-err { color: #c0392b; font-size: 13px; font-weight: 600; }
.pwfb-fineprint { color: var(--pwfb-muted); font-size: 12px; margin: 0; }

/* Done */
.pwfb-done { text-align: center; padding: 24px 12px; }
.pwfb-check { width: 56px; height: 56px; border-radius: 50%; background: var(--pwfb-accent); color: #fff; font-size: 30px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.pwfb-embed { width: 100%; height: 620px; border: 1px solid var(--pwfb-line); border-radius: var(--pwfb-radius); margin: 20px 0; }
.pwfb-restart { background: none; border: 1.5px solid var(--pwfb-line); color: var(--pwfb-ink); margin-top: 20px; }
.pwfb-restart:hover { background: var(--pwfb-soft); }

@media (max-width: 760px) {
	.pwfb-tiers, .pwfb-tiers-two { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
	.pwfb-cards { grid-template-columns: 1fr; }
	.pwfb-h { font-size: 24px; }
	.pwfb-proscons { grid-template-columns: 1fr; }
	.pwfb-guide-btn { width: 100%; }
}