/* =========================================================================
   Pond Pumps Adviser Pro — homepage.css
   ========================================================================= */

/* ----- Hero ----- */
.ppa-hero {
	position: relative; overflow: hidden;
	background: radial-gradient(110% 90% at 80% 10%, #DAF1F2 0%, #F4F8FA 60%, #FFFFFF 100%);
}
.ppa-hero__ripple {
	position: absolute; inset: -10% -20% auto auto; pointer-events: none;
	width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
	background:
		radial-gradient(closest-side, rgba(31, 140, 143, 0.18), rgba(31, 140, 143, 0)) center / 60% 60% no-repeat,
		radial-gradient(closest-side, rgba(123, 182, 97, 0.16), rgba(123, 182, 97, 0)) 80% 30% / 50% 50% no-repeat,
		radial-gradient(closest-side, rgba(14, 61, 92, 0.12),  rgba(14, 61, 92, 0))  20% 80% / 50% 50% no-repeat;
	animation: ppaFloat 14s ease-in-out infinite alternate;
}
@keyframes ppaFloat {
	from { transform: translateY(0) scale(1); }
	to   { transform: translateY(-12px) scale(1.03); }
}
.ppa-hero__inner {
	display: grid; grid-template-columns: 1.15fr 1fr; gap: 2rem;
	padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 3vw, 2rem);
	align-items: center; position: relative; z-index: 1;
}
.ppa-hero__title { font-size: clamp(1.75rem, 5vw, 3.5rem); margin-bottom: .35em; word-wrap: break-word; }
.ppa-hero__sub { color: var(--ppa-stone); max-width: 56ch; font-size: clamp(.95rem, 2vw, 1.05rem); }
.ppa-hero__ctas { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.25rem 0 1rem; }
.ppa-hero__ctas .ppa-btn { flex: 1 1 auto; min-width: 0; }
.ppa-hero__pills { display: flex; gap: .5rem; flex-wrap: wrap; }
.ppa-hero__visual { display: grid; gap: 1rem; }
.ppa-hero__widget {
	background: var(--ppa-white); border-radius: var(--ppa-radius-lg);
	padding: 1.1rem 1.2rem; box-shadow: var(--ppa-shadow-lg);
	border: 1px solid var(--ppa-border); display: grid; gap: .6rem;
}
.ppa-hero__widget header { display: flex; align-items: center; gap: .5rem; color: var(--ppa-pond-blue); }
.ppa-hero__widget-row { display: grid; grid-template-columns: 1fr 1.4fr; align-items: center; gap: .5rem; font-size: .9rem; }
.ppa-hero__widget-row input, .ppa-hero__widget-row select {
	padding: .4rem .6rem; border: 1px solid var(--ppa-border); border-radius: 8px;
}
.ppa-hero__widget-out { display: flex; align-items: baseline; gap: .5rem; padding: .35rem .25rem; }
.ppa-hero__widget-out span { font-family: var(--ppa-font-mono); font-size: 1.8rem; color: var(--ppa-pond-blue); }
.ppa-hero__widget-out small { color: var(--ppa-muted); font-size: .8rem; }
/* When the user hasn't entered any pond volume yet, suppress the big mono number so we never
   advertise a "result" the user didn't ask for. The label small remains as a prompt. */
.ppa-hero__widget[data-ppa-hero-state="idle"] [data-ppa-hero-gph] { display: none; }
.ppa-hero__widget[data-ppa-hero-state="idle"] [data-ppa-hero-out-label]::before { content: ""; }
.ppa-hero__widget[data-ppa-hero-state="computed"] [data-ppa-hero-out-label] { color: var(--ppa-muted); }

.ppa-hero__cards {
	display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem;
}
.ppa-hero__card {
	display: flex; align-items: center; gap: .55rem;
	background: rgba(255,255,255,0.85); border: 1px solid var(--ppa-border);
	border-radius: var(--ppa-radius); padding: .65rem .85rem;
	text-decoration: none; color: var(--ppa-pond-blue); font-weight: 600; font-size: .9rem;
	box-shadow: var(--ppa-shadow);
}
.ppa-hero__card:hover { background: var(--ppa-white); transform: translateY(-1px); }

@media (max-width: 900px) {
	.ppa-hero__inner { grid-template-columns: 1fr; }
	.ppa-hero__visual { order: 2; }
}

/* ----- Safety strip ----- */
.ppa-safety-strip { background: linear-gradient(180deg, #FFFFFF, #F4F8FA); }
.ppa-safety-strip__cards {
	list-style: none; padding: 0; margin: 0;
	display: grid; gap: .75rem;
	grid-template-columns: repeat(6, minmax(0, 1fr));
}
@media (max-width: 1100px) { .ppa-safety-strip__cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { .ppa-safety-strip__cards { grid-template-columns: repeat(2, 1fr); } }
.ppa-safety-card {
	display: flex; flex-direction: column; align-items: flex-start; gap: .35rem;
	padding: .85rem; border-radius: var(--ppa-radius);
	background: var(--ppa-white); border: 1px solid var(--ppa-border);
	box-shadow: var(--ppa-shadow);
	font-size: .85rem; color: var(--ppa-pond-blue);
}
.ppa-safety-card .ppa-icon { color: var(--ppa-water-teal); }

/* ----- Quick start ----- */
.ppa-quick-start__grid {
	list-style: none; margin: 0; padding: 0;
	display: grid; gap: .65rem;
	grid-template-columns: repeat(6, minmax(0, 1fr));
}
@media (max-width: 1100px) { .ppa-quick-start__grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 700px)  { .ppa-quick-start__grid { grid-template-columns: repeat(2, 1fr); } }
.ppa-quick-card {
	display: flex; flex-direction: column; align-items: center; gap: .35rem;
	background: var(--ppa-white); border: 1px solid var(--ppa-border);
	border-radius: var(--ppa-radius); padding: .85rem; cursor: pointer;
	width: 100%; text-align: center; color: var(--ppa-pond-blue); font-weight: 600; font-size: .82rem;
	box-shadow: var(--ppa-shadow); transition: transform .12s ease, border-color .12s ease;
}
.ppa-quick-card:hover, .ppa-quick-card.is-active {
	transform: translateY(-2px); border-color: var(--ppa-water-teal); color: var(--ppa-pond-blue);
}
.ppa-quick-card .ppa-icon { color: var(--ppa-water-teal); width: 26px; height: 26px; }

/* ----- Product box ----- */
.ppa-product {
	background: var(--ppa-white); border: 1px solid var(--ppa-border);
	border-radius: var(--ppa-radius-lg); padding: 1.1rem 1.2rem;
	box-shadow: var(--ppa-shadow); display: flex; flex-direction: column; gap: .65rem;
}
.ppa-product--hero { background: linear-gradient(160deg, #FFFFFF, #F4F8FA); }
.ppa-product--compact { padding: 1rem; }
.ppa-product__title { margin: 0; }
.ppa-product__best { color: var(--ppa-muted); margin: 0; font-size: .9rem; }
.ppa-product__chips { gap: .35rem; }
.ppa-product__proscons { display: grid; gap: .5rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .ppa-product__proscons { grid-template-columns: 1fr; } }
.ppa-list { list-style: none; padding: 0; margin: 0; font-size: .85rem; }
.ppa-list__h { font-weight: 700; color: var(--ppa-pond-blue); margin-bottom: .2rem; }
.ppa-list--pros li { position: relative; padding-left: 1.1rem; }
.ppa-list--pros li::before { content: '✓'; position: absolute; left: 0; color: var(--ppa-moss); font-weight: 700; }
.ppa-list--cons li { position: relative; padding-left: 1.1rem; }
.ppa-list--cons li::before { content: '!'; position: absolute; left: 0; color: var(--ppa-amber); font-weight: 700; }
.ppa-product__safety { font-size: .82rem; color: var(--ppa-stone); background: #FFF8E8; border-radius: 8px; padding: .45rem .65rem; border: 1px solid #f3dc9c; margin: 0; }
.ppa-product__cta { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.ppa-affiliate-label { display: block; color: var(--ppa-muted); font-size: .72rem; }
.ppa-affiliate-cta { margin: 1rem 0 0; }
.ppa-affiliate-cta__disclosure { color: var(--ppa-muted); margin-top: .25rem; }
.ppa-block-comparison { overflow-x: auto; margin: 1rem 0; }

/* ----- Compare engine ----- */
.ppa-compare__empty-card {
	background: var(--ppa-white); border: 1px dashed var(--ppa-border);
	border-radius: var(--ppa-radius); padding: 1.25rem 1.5rem;
	color: var(--ppa-stone);
	display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
}
.ppa-compare__empty-card p { margin: 0; flex: 1 1 280px; }
.ppa-compare__hint { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; align-items: center; }
.ppa-compare__hint p { margin: 0; flex: 1 1 240px; color: var(--ppa-muted); }
.ppa-compare__table-wrap { overflow-x: auto; border: 1px solid var(--ppa-border); border-radius: var(--ppa-radius); }
.ppa-compare__table { width: 100%; border-collapse: collapse; background: var(--ppa-white); font-size: .9rem; }
.ppa-compare__table th, .ppa-compare__table td { padding: .65rem .85rem; text-align: left; border-bottom: 1px solid var(--ppa-border); }
.ppa-compare__table th { background: var(--ppa-surface); color: var(--ppa-pond-blue); font-weight: 700; }

/* ----- Guide hub ----- */
.ppa-guide-hub .ppa-card h3 { color: var(--ppa-pond-blue); }

/* ----- FAQ ----- */
.ppa-faq__list { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; max-width: 900px; }
.ppa-faq__item details {
	background: var(--ppa-white); border: 1px solid var(--ppa-border);
	border-radius: var(--ppa-radius); padding: 1rem 1.2rem;
}
.ppa-faq__item summary {
	cursor: pointer; font-weight: 600; color: var(--ppa-pond-blue);
	list-style: none; position: relative; padding-right: 1.5rem;
}
.ppa-faq__item summary::-webkit-details-marker { display: none; }
.ppa-faq__item summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 1.4rem; color: var(--ppa-water-teal); }
.ppa-faq__item details[open] summary::after { content: '–'; }
.ppa-faq__answer { color: var(--ppa-stone); padding-top: .75rem; }

/* ----- Newsletter ----- */
.ppa-newsletter { background: linear-gradient(135deg, #0E3D5C, #1F8C8F); color: #f0fafa; }
.ppa-newsletter .ppa-section__title, .ppa-newsletter h2 { color: #fff; }
.ppa-newsletter .ppa-section__sub { color: #c8e4e5; }
.ppa-newsletter__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; }
@media (max-width: 800px) { .ppa-newsletter__inner { grid-template-columns: 1fr; } }
.ppa-newsletter__form { display: grid; gap: .5rem; }
.ppa-newsletter__form input {
	padding: .85rem 1rem; border-radius: 999px; border: 0;
	font-size: 1rem;
}
.ppa-newsletter__form button { background: #ffffff; color: var(--ppa-pond-blue); }
.ppa-newsletter__form button:hover { background: var(--ppa-amber); color: #1a1300; }
.ppa-newsletter__form small { color: #ffe8b3; }

/* ----- Trust ----- */
.ppa-trust .ppa-card--trust { display: flex; flex-direction: column; gap: .35rem; }
.ppa-trust .ppa-card--trust .ppa-icon { color: var(--ppa-moss); }
.ppa-trust__links { margin-top: 1rem; color: var(--ppa-muted); font-size: .9rem; }

/* ----- Product DB ----- */
.ppa-product-db__filters {
	display: grid; gap: .65rem;
	grid-template-columns: repeat(5, minmax(0, 1fr));
	margin-bottom: 1.2rem;
}
@media (max-width: 900px) { .ppa-product-db__filters { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .ppa-product-db__filters { grid-template-columns: 1fr; } }
.ppa-field { display: flex; flex-direction: column; gap: .25rem; font-size: .82rem; color: var(--ppa-muted); }
.ppa-field--wide { grid-column: span 2; }
.ppa-field--check { flex-direction: row; align-items: center; gap: .35rem; }
.ppa-field input, .ppa-field select, .ppa-field textarea {
	padding: .55rem .75rem; border-radius: var(--ppa-radius-sm); border: 1px solid var(--ppa-border);
	background: var(--ppa-white); color: var(--ppa-ink); font: inherit;
}
.ppa-field small { color: var(--ppa-muted); font-size: .72rem; }