:root {
	--ffag-deep: #052c31;
	--ffag-deep-2: #0a454a;
	--ffag-aqua: #68d5cf;
	--ffag-red: #d7372d;
	--ffag-red-dark: #af281f;
	--ffag-cream: #f8f3e8;
	--ffag-sand: #e8cc96;
	--ffag-ink: #143b3e;
	--ffag-muted: #536d6f;
	--ffag-line: rgba(5, 44, 49, 0.14);
	--ffag-white: #fff;
	--ffag-shadow: 0 20px 55px rgba(5, 44, 49, 0.12);
}

.ffag-page .wp-block-post-title { display: none; }
.ffag-page main.wp-block-group { padding-top: 0 !important; }
.ffag-page .entry-content,
.ffag-page .entry-content > .ffag-guide { max-width: none !important; width: 100% !important; }
.ffag-guide { color: var(--ffag-ink); display: grid; gap: clamp(4.5rem, 8vw, 8rem); grid-template-columns: minmax(0, 1fr); margin: 0 auto; min-width: 0; }
.ffag-guide [hidden] { display: none !important; }
.ffag-guide *, .ffag-care-cta * { box-sizing: border-box; }
.ffag-guide section { scroll-margin-top: 6rem; }
.ffag-guide h1, .ffag-guide h2, .ffag-guide h3, .ffag-care-cta h2 {
	color: var(--ffag-deep);
	font-family: var(--wp--preset--font-family--display, Georgia, serif);
	letter-spacing: -0.025em;
}
.ffag-guide p { line-height: 1.65; }
.ffag-guide a:focus-visible, .ffag-guide button:focus-visible, .ffag-guide input:focus-visible,
.ffag-guide select:focus-visible, .ffag-guide summary:focus-visible, .ffag-care-cta a:focus-visible {
	outline: 3px solid var(--ffag-aqua);
	outline-offset: 3px;
}
.ffag-eyebrow { color: var(--ffag-red); font-size: 0.76rem; font-weight: 900; letter-spacing: 0.14em; margin: 0 0 0.45rem; text-transform: uppercase; }
.ffag-section-heading { margin: 0 auto clamp(1.5rem, 4vw, 3rem); max-width: 900px; text-align: center; }
.ffag-section-heading h2 { font-size: clamp(2rem, 4.4vw, 3.65rem); line-height: 1.04; margin: 0; }
.ffag-section-heading > p:last-child { color: var(--ffag-muted); font-size: clamp(1rem, 1.3vw, 1.12rem); margin: 1rem auto 0; max-width: 820px; }
.ffag-button { align-items: center; background: var(--ffag-red); border-radius: 999px; color: #fff !important; display: inline-flex; font-weight: 850; justify-content: center; min-height: 3.1rem; padding: 0.8rem 1.35rem; text-decoration: none; }
.ffag-button:hover { background: var(--ffag-red-dark); color: #fff; }
.ffag-text-link { color: #fff !important; font-weight: 800; text-decoration-color: var(--ffag-aqua); text-underline-offset: 0.22em; }
.ffag-text-link:hover { color: var(--ffag-aqua) !important; }

.ffag-hero { align-items: center; background: linear-gradient(135deg, var(--ffag-deep), #0b5559); border-radius: 0 0 24px 24px; color: #fff; display: grid; gap: clamp(1.5rem, 3.5vw, 3.5rem); grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr); margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); min-height: 0; overflow: hidden; padding: clamp(2rem, 3.2vw, 2.75rem) max(clamp(1.25rem, 5vw, 5rem), calc((100vw - 1480px) / 2)); position: relative; width: 100vw; }
.ffag-hero::before { background-image: radial-gradient(rgba(104, 213, 207, 0.12) 1.5px, transparent 1.5px); background-size: 24px 24px; content: ""; inset: 0; opacity: 0.65; pointer-events: none; position: absolute; }
.ffag-hero__copy, .ffag-hero__art { position: relative; z-index: 1; }
.ffag-hero .ffag-eyebrow { color: #ff8276; }
.ffag-hero h1 { color: #fff; font-size: clamp(2.5rem, 4.1vw, 3.9rem); line-height: 0.98; margin: 0; max-width: 900px; }
.ffag-hero__copy > p:not(.ffag-eyebrow) { color: #e7f2ef; font-size: clamp(1.05rem, 1.45vw, 1.25rem); margin: 1.4rem 0 0; max-width: 760px; }
.ffag-hero__actions { align-items: center; display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.25rem; }
.ffag-hero__art { filter: drop-shadow(0 28px 35px rgba(0, 0, 0, 0.25)); }
.ffag-hero__art svg { display: block; height: auto; max-height: 300px; width: 100%; }

@media (max-width: 680px) {
	.ffag-hero { gap: 1.25rem; grid-template-columns: 1fr; padding-block: 1.75rem; }
	.ffag-hero h1 { font-size: clamp(2.45rem, 12vw, 3.35rem); }
	.ffag-hero__copy > p:not(.ffag-eyebrow) { line-height: 1.5; margin-top: .9rem; }
	.ffag-hero__actions { margin-top: 1rem; }
	.ffag-hero__art { margin-inline: auto; max-width: 280px; }
	.ffag-hero__art svg { max-height: 165px; }
}

@media (max-width: 620px) {
	.ffag-hero { padding-block: 1.5rem; }
	.ffag-hero h1 { font-size: clamp(2.25rem, 10.5vw, 2.85rem); }
	.ffag-hero__art { display: none; }
}

.ffag-guide-tabs { margin: clamp(1.5rem, 3vw, 2.5rem) auto clamp(2.5rem, 5vw, 4.5rem); max-width: 1580px; min-width: 0; padding: 0 0.2rem; width: 100%; }
.ffag-guide-tabs [role="tablist"] { background: #fff; border: 1px solid var(--ffag-line); border-radius: 18px; box-shadow: 0 12px 35px rgba(5, 44, 49, 0.08); display: grid; gap: 0.35rem; grid-template-columns: repeat(5, minmax(0, 1fr)); padding: 0.4rem; }
.ffag-guide-tabs button { align-items: center; background: transparent; border: 0; border-radius: 13px; color: var(--ffag-deep); cursor: pointer; display: flex; font: inherit; font-size: 0.91rem; font-weight: 850; gap: 0.55rem; justify-content: center; line-height: 1.25; min-height: 3.4rem; padding: 0.65rem 0.75rem; text-align: center; }
.ffag-guide-tabs button > span { color: var(--ffag-red); font-size: 0.68rem; font-weight: 900; letter-spacing: 0.08em; }
.ffag-guide-tabs button:hover { background: #edf8f5; }
.ffag-guide-tabs button[aria-selected="true"] { background: var(--ffag-deep); color: #fff; }
.ffag-guide-tabs button[aria-selected="true"] > span { color: var(--ffag-aqua); }
.ffag-guide-panels { margin-bottom: clamp(4rem, 7vw, 7rem); min-width: 0; }
.ffag-guide-panel { display: grid; gap: clamp(3.5rem, 6vw, 6rem); min-width: 0; }
.ffag-guide-panel:focus { outline: none; }

.ffag-calculator, .ffag-common, .ffag-choose, .ffag-species, .ffag-types, .ffag-setup, .ffag-faq, .ffag-sources { margin-left: auto; margin-right: auto; max-width: 1480px; width: 100%; }
.ffag-calculator, .ffag-common, .ffag-choose, .ffag-species, .ffag-types, .ffag-setup, .ffag-faq, .ffag-sources { min-width: 0; }
.ffag-calculator__shell { align-items: stretch; background: #fff; border: 1px solid var(--ffag-line); border-radius: 28px; box-shadow: var(--ffag-shadow); display: grid; grid-template-columns: minmax(320px, 0.78fr) minmax(420px, 1.22fr); overflow: hidden; }
.ffag-form { background: #f6fbf9; display: grid; gap: 1.25rem; padding: clamp(1.35rem, 3.5vw, 3.2rem); }
.ffag-form label, .ffag-dimensions legend { color: var(--ffag-deep); font-size: 0.84rem; font-weight: 850; }
.ffag-form input[type="number"], .ffag-form select { background: #fff; border: 1px solid rgba(5, 44, 49, 0.24); border-radius: 11px; color: var(--ffag-deep); display: block; font: inherit; font-size: 1rem; margin-top: 0.45rem; min-height: 3.05rem; padding: 0.65rem 0.78rem; width: 100%; }
.ffag-form input:hover, .ffag-form select:hover { border-color: rgba(5, 44, 49, 0.52); }
.ffag-form__topline { align-items: end; display: flex; gap: 1rem; justify-content: space-between; }
.ffag-unit-switch { align-items: center; cursor: pointer; display: inline-flex; gap: 0.48rem; margin: 0; }
.ffag-unit-switch input { height: 1px; opacity: 0; overflow: hidden; position: absolute; width: 1px; }
.ffag-unit-switch__label { color: var(--ffag-muted); font-size: 0.79rem; font-weight: 800; transition: color 160ms ease; }
.ffag-unit-switch__label.is-active { color: var(--ffag-deep); }
.ffag-unit-switch__track { background: #b9d7d3; border: 1px solid rgba(5, 44, 49, 0.18); border-radius: 999px; display: block; height: 1.65rem; padding: 0.17rem; transition: background 160ms ease; width: 3rem; }
.ffag-unit-switch__track span { background: #fff; border-radius: 50%; box-shadow: 0 1px 4px rgba(5, 44, 49, 0.28); display: block; height: 1.18rem; transform: translateX(0); transition: transform 160ms ease; width: 1.18rem; }
.ffag-unit-switch input:checked + .ffag-unit-switch__track { background: var(--ffag-deep); }
.ffag-unit-switch input:checked + .ffag-unit-switch__track span { transform: translateX(1.3rem); }
.ffag-unit-switch input:focus-visible + .ffag-unit-switch__track { outline: 3px solid var(--ffag-aqua); outline-offset: 3px; }
.ffag-dimensions { border: 0; display: grid; gap: 0.85rem; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; padding: 0; }
.ffag-dimensions legend { grid-column: 1 / -1; margin-bottom: -0.3rem; }
.ffag-adjustments { display: grid; gap: 0.85rem; grid-template-columns: 1fr 1fr; }
.ffag-range { background: #fff; border: 1px solid var(--ffag-line); border-radius: 12px; padding: 0.8rem; }
.ffag-range output { color: var(--ffag-red); float: right; }
.ffag-range input { accent-color: var(--ffag-red); display: block; margin-top: 0.8rem; width: 100%; }
.ffag-form__error { background: #fff0ed; border-left: 4px solid var(--ffag-red); color: #81241e; margin: 0; padding: 0.8rem; }

.ffag-results { align-content: start; background: linear-gradient(145deg, var(--ffag-deep), var(--ffag-deep-2)); color: #fff; display: grid; gap: 1.5rem; padding: clamp(1.5rem, 4vw, 3.5rem); }
.ffag-results .ffag-eyebrow { color: var(--ffag-aqua); }
.ffag-results__heading h3 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.7rem); margin: 0; }
.ffag-results__grid { display: grid; gap: 0.75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ffag-result { background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 15px; display: grid; gap: 0.25rem; min-height: 132px; padding: 1rem; }
.ffag-result:first-child { grid-column: 1 / -1; }
.ffag-result span { color: #cae4e1; font-size: 0.75rem; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.ffag-result strong { color: #fff; font-family: var(--wp--preset--font-family--display, Georgia, serif); font-size: clamp(1.45rem, 2.5vw, 2.15rem); line-height: 1.05; }
.ffag-result small { align-self: end; color: #b7d0ce; font-size: 0.75rem; line-height: 1.35; }
.ffag-results__notice { background: rgba(232, 204, 150, 0.13); border: 1px solid rgba(232, 204, 150, 0.32); border-radius: 14px; color: #f6edda; line-height: 1.55; padding: 1rem; }
.ffag-method-note, .ffag-table-note { color: var(--ffag-muted); font-size: 0.88rem; margin: 1rem auto 0; max-width: 1180px; text-align: center; }

.ffag-table-wrap { background: #fff; border: 1px solid var(--ffag-line); border-radius: 22px; box-shadow: 0 16px 45px rgba(5, 44, 49, 0.08); overflow: auto; }
.ffag-table-wrap table { border-collapse: collapse; margin: 0; min-width: 900px; width: 100%; }
.ffag-table-wrap th, .ffag-table-wrap td { border-bottom: 1px solid var(--ffag-line); padding: 1rem 1.1rem; text-align: left; vertical-align: top; }
.ffag-table-wrap thead th { background: var(--ffag-deep); color: #fff; font-size: 0.8rem; letter-spacing: 0.04em; position: sticky; top: 0; }
.ffag-table-wrap tbody th { color: var(--ffag-deep); font-family: var(--wp--preset--font-family--display, Georgia, serif); font-size: 1.08rem; }
.ffag-table-wrap tbody tr:nth-child(even) { background: #f8fbf9; }
.ffag-table-wrap tbody tr:last-child th, .ffag-table-wrap tbody tr:last-child td { border-bottom: 0; }

.ffag-visual-compare { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.ffag-visual-compare__heading { align-items: end; display: flex; gap: 1.5rem; justify-content: space-between; margin-bottom: 1rem; }
.ffag-visual-compare__heading h3 { font-size: clamp(1.5rem, 2.3vw, 2rem); margin: 0; }
.ffag-visual-compare__heading p { color: var(--ffag-muted); font-size: 0.94rem; margin: 0.35rem 0 0; max-width: 780px; }
.ffag-gallery-controls { display: flex; flex: none; gap: 0.45rem; }
.ffag-gallery-controls button { align-items: center; background: #fff; border: 1px solid var(--ffag-line); border-radius: 50%; color: var(--ffag-deep); cursor: pointer; display: flex; font: inherit; font-size: 1.15rem; font-weight: 900; height: 2.7rem; justify-content: center; width: 2.7rem; }
.ffag-gallery-controls button:hover { background: #e8f6f3; }
.ffag-tank-gallery { display: grid; gap: 0.8rem; grid-auto-columns: minmax(230px, 1fr); grid-auto-flow: column; max-width: 100%; min-width: 0; overflow-x: auto; overscroll-behavior-inline: contain; padding: 0.2rem 0.2rem 0.75rem; scroll-behavior: smooth; scroll-snap-type: inline mandatory; scrollbar-color: var(--ffag-aqua) rgba(5, 44, 49, 0.08); width: 100%; }
.ffag-tank-card { background: #fff; border: 2px solid transparent; border-radius: 17px; color: var(--ffag-ink); cursor: pointer; display: grid; font: inherit; overflow: hidden; padding: 0; scroll-snap-align: start; text-align: left; transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease; }
.ffag-tank-card:hover { border-color: rgba(5, 44, 49, 0.22); box-shadow: 0 12px 30px rgba(5, 44, 49, 0.1); transform: translateY(-2px); }
.ffag-tank-card.is-selected { border-color: var(--ffag-red); box-shadow: 0 0 0 3px rgba(215, 55, 45, 0.11); }
.ffag-tank-card__art { align-items: center; background: linear-gradient(145deg, #e6f5f2, #f7fbf9); display: flex; height: 158px; justify-content: center; padding: 0.3rem; }
.ffag-tank-visual { display: block; height: 100%; width: 100%; }
.ffag-tank-visual__front { fill: #0a4449; }
.ffag-tank-visual__water { fill: #176d71; opacity: 0.72; }
.ffag-tank-visual__top { fill: #86d8d1; opacity: 0.52; }
.ffag-tank-visual__side { fill: #07383d; opacity: 0.82; }
.ffag-tank-visual__sand { fill: #e8cc96; }
.ffag-tank-visual__fish { fill: #f05b4d; }
.ffag-tank-visual__fish circle { fill: var(--ffag-deep); }
.ffag-tank-visual__plant { fill: none; stroke: #65c69e; stroke-linecap: round; stroke-width: 5; }
.ffag-tank-visual__frame { fill: none; stroke: #052c31; stroke-linejoin: round; stroke-width: 4; }
.ffag-tank-card__body { display: grid; gap: 0.25rem; padding: 0.85rem 1rem 1rem; }
.ffag-tank-card__body strong { color: var(--ffag-deep); font-family: var(--wp--preset--font-family--display, Georgia, serif); font-size: 1.12rem; line-height: 1.15; }
.ffag-tank-card__body small { color: var(--ffag-muted); font-size: 0.75rem; }
.ffag-tank-card__body > span { color: var(--ffag-red-dark); font-size: 0.78rem; font-weight: 850; margin-top: 0.25rem; }

.ffag-card-grid { display: grid; gap: 1rem; }
.ffag-card-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ffag-card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ffag-card-grid article { background: #fff; border: 1px solid var(--ffag-line); border-radius: 19px; padding: clamp(1.2rem, 2.5vw, 2rem); }
.ffag-card-grid article > span { align-items: center; background: #e4f5f2; border-radius: 50%; color: var(--ffag-deep); display: flex; font-size: 0.75rem; font-weight: 900; height: 2.5rem; justify-content: center; width: 2.5rem; }
.ffag-card-grid h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); line-height: 1.12; margin: 1rem 0 0.6rem; }
.ffag-types .ffag-card-grid h3 { margin-top: 0; }
.ffag-card-grid p { color: var(--ffag-muted); margin: 0; }

.ffag-species { background: #f2f9f6; border-radius: 28px; padding: clamp(1.5rem, 4vw, 4rem); }
.ffag-species-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ffag-species-grid article { background: #fff; border: 1px solid var(--ffag-line); border-radius: 20px; display: grid; grid-template-columns: minmax(170px, 0.72fr) minmax(0, 1.28fr); overflow: hidden; }
.ffag-species-grid img { background: var(--ffag-deep); height: 100%; object-fit: cover; width: 100%; }
.ffag-species-grid article > div { padding: clamp(1.1rem, 2.5vw, 2rem); }
.ffag-species-grid h3 { font-size: clamp(1.45rem, 2.4vw, 2rem); line-height: 1.05; margin: 0.25rem 0 0.75rem; }
.ffag-species-grid strong { color: var(--ffag-deep); display: block; line-height: 1.45; }
.ffag-species-grid p:not(.ffag-eyebrow) { color: var(--ffag-muted); font-size: 0.9rem; margin: 0.65rem 0; }
.ffag-species-grid a { color: var(--ffag-red-dark); font-weight: 850; }

.ffag-setup-grid { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
.ffag-checklist { background: #fff; border: 1px solid var(--ffag-line); border-radius: 20px; padding: clamp(1.25rem, 3vw, 2.5rem); }
.ffag-checklist h3 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin: 0; }
.ffag-checklist ul { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.ffag-checklist li { border-top: 1px solid var(--ffag-line); line-height: 1.55; padding: 0.8rem 0 0.8rem 2rem; position: relative; }
.ffag-checklist li::before { background: var(--ffag-aqua); border-radius: 50%; color: var(--ffag-deep); content: "✓"; font-size: 0.72rem; font-weight: 900; left: 0; line-height: 1.4rem; position: absolute; text-align: center; top: 0.85rem; width: 1.4rem; }
.ffag-next-step { align-items: center; background: linear-gradient(135deg, #fff0e8, #fffaf1); border: 1px solid rgba(215, 55, 45, 0.16); border-radius: 22px; display: flex; gap: 2rem; justify-content: space-between; margin-top: 1rem; padding: clamp(1.3rem, 3vw, 2.5rem); }
.ffag-next-step h3 { font-size: clamp(1.5rem, 2.5vw, 2.2rem); margin: 0; }
.ffag-next-step p:not(.ffag-eyebrow) { color: var(--ffag-muted); margin: 0.55rem 0 0; max-width: 850px; }
.ffag-next-step .ffag-button { flex: none; }

.ffag-faq-list { display: grid; gap: 0.7rem; margin: 0 auto; max-width: 1100px; }
.ffag-faq details { background: #fff; border: 1px solid var(--ffag-line); border-radius: 14px; }
.ffag-faq summary { color: var(--ffag-deep); cursor: pointer; font-family: var(--wp--preset--font-family--display, Georgia, serif); font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 750; padding: 1rem 3.2rem 1rem 1.1rem; position: relative; }
.ffag-faq summary::after { color: var(--ffag-red); content: "+"; font-family: sans-serif; font-size: 1.6rem; position: absolute; right: 1.2rem; top: 0.8rem; }
.ffag-faq details[open] summary::after { content: "–"; }
.ffag-faq details p { color: var(--ffag-muted); margin: 0; padding: 0 1.1rem 1.2rem; }
.ffag-sources { border-top: 1px solid var(--ffag-line); padding-top: 1.5rem; }
.ffag-sources h2 { font-size: 1.35rem; margin: 0; }
.ffag-sources p, .ffag-sources li { color: var(--ffag-muted); font-size: 0.88rem; }
.ffag-sources ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; padding-left: 1.1rem; }
.ffag-sources a { color: var(--ffag-red-dark); }

.ffag-care-cta { align-items: center; background: linear-gradient(135deg, var(--ffag-deep), var(--ffag-deep-2)); border-radius: 22px; color: #fff; display: flex; gap: 2rem; justify-content: space-between; margin: 0 auto clamp(3rem, 6vw, 5rem); max-width: 1480px; padding: clamp(1.4rem, 3vw, 2.7rem); }
.ffag-care-cta .ffag-eyebrow { color: #ff8276; }
.ffag-care-cta h2 { color: #fff; font-size: clamp(1.65rem, 3vw, 2.55rem); margin: 0; }
.ffag-care-cta p:not(.ffag-eyebrow) { color: #dbeae7; line-height: 1.55; margin: 0.55rem 0 0; max-width: 850px; }
.ffag-care-cta .ffag-button { flex: none; }

@media (max-width: 1100px) {
	.ffag-hero { grid-template-columns: 1fr 0.72fr; }
	.ffag-calculator__shell { grid-template-columns: 1fr; }
	.ffag-results__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.ffag-result:first-child { grid-column: auto; }
	.ffag-card-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.ffag-card-grid--three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
	.ffag-guide { gap: 4.5rem; }
	.ffag-hero { grid-template-columns: 1fr; min-height: 0; padding-bottom: 3rem; padding-top: 4rem; }
	.ffag-hero__art { margin: 0 auto; max-width: 560px; }
	.ffag-results__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.ffag-species-grid { grid-template-columns: 1fr; }
	.ffag-setup-grid { grid-template-columns: 1fr; }
	.ffag-next-step, .ffag-care-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
	.ffag-page main.wp-block-group { padding-left: 1rem !important; padding-right: 1rem !important; }
	.ffag-hero { border-radius: 0 0 20px 20px; margin-left: -1rem; margin-right: -1rem; padding-left: 1rem; padding-right: 1rem; width: calc(100% + 2rem); }
	.ffag-hero h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
	.ffag-hero__actions { align-items: stretch; flex-direction: column; }
	.ffag-hero__actions a { text-align: center; }
	.ffag-calculator__shell, .ffag-species { border-radius: 18px; }
	.ffag-form__topline { align-items: stretch; flex-direction: column; }
	.ffag-unit-switch { align-self: flex-start; }
	.ffag-dimensions, .ffag-adjustments { grid-template-columns: 1fr; }
	.ffag-results__grid { grid-template-columns: 1fr; }
	.ffag-result { min-height: 112px; }
	.ffag-card-grid--four, .ffag-card-grid--three { grid-template-columns: 1fr; }
	.ffag-species { padding: 1rem; }
	.ffag-species-grid article { grid-template-columns: 1fr; }
	.ffag-species-grid img { aspect-ratio: 16 / 9; height: auto; }
	.ffag-table-wrap { background: transparent; border: 0; box-shadow: none; overflow: visible; }
	.ffag-table-wrap table, .ffag-table-wrap tbody, .ffag-table-wrap tr, .ffag-table-wrap th, .ffag-table-wrap td { display: block; min-width: 0; width: 100%; }
	.ffag-table-wrap thead { clip: rect(0 0 0 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }
	.ffag-table-wrap tr { background: #fff !important; border: 1px solid var(--ffag-line); border-radius: 14px; margin-bottom: 0.75rem; overflow: hidden; padding: 0.8rem; }
	.ffag-table-wrap th, .ffag-table-wrap td { border: 0; padding: 0.35rem 0; }
	.ffag-table-wrap tbody th { font-size: 1.25rem; }
	.ffag-table-wrap td::before { color: var(--ffag-muted); content: attr(data-label) ": "; font-size: 0.72rem; font-weight: 850; letter-spacing: 0.05em; text-transform: uppercase; }
	.ffag-visual-compare__heading { align-items: flex-start; }
	.ffag-visual-compare__heading p { font-size: 0.88rem; }
	.ffag-gallery-controls { display: none; }
	.ffag-tank-gallery { grid-auto-columns: minmax(215px, 82vw); }
	.ffag-tank-card__art { height: 145px; }
	.ffag-next-step .ffag-button, .ffag-care-cta .ffag-button { width: 100%; }
	.ffag-sources ul { display: block; }
}

@media (prefers-reduced-motion: reduce) {
	.ffag-guide *, .ffag-care-cta * { scroll-behavior: auto !important; transition: none !important; }
}

/* Typography and spacing refinement: readable at normal desktop distance
   without allowing the educational page to become unnecessarily tall. */
.ffag-guide {
	font-size: clamp(1rem, 0.35vw + 0.94rem, 1.1rem);
	gap: 0;
}
.ffag-calculator,
.ffag-common,
.ffag-choose,
.ffag-species,
.ffag-types,
.ffag-setup,
.ffag-faq,
.ffag-sources {
	max-width: 1580px;
}
.ffag-section-heading {
	margin-bottom: clamp(1.65rem, 3vw, 2.5rem);
	max-width: 1040px;
}
.ffag-section-heading h2 {
	font-size: clamp(2.25rem, 3.8vw, 3.75rem);
	line-height: 1.01;
}
.ffag-section-heading > p:last-child {
	font-size: clamp(1.03rem, 0.55vw + 0.92rem, 1.18rem);
	line-height: 1.65;
	max-width: 900px;
}
.ffag-eyebrow {
	font-size: 0.8rem;
	letter-spacing: 0.13em;
	line-height: 1.4;
}
.ffag-hero {
	min-height: 0;
	padding-bottom: clamp(2rem, 3.2vw, 2.75rem);
	padding-top: clamp(2rem, 3.2vw, 2.75rem);
}
.ffag-hero h1 {
	font-size: clamp(2.5rem, 4.1vw, 3.9rem);
	line-height: 0.98;
}
.ffag-hero__copy > p:not(.ffag-eyebrow) {
	font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.2rem);
	line-height: 1.55;
	max-width: 720px;
}
.ffag-button {
	font-size: 0.96rem;
	min-height: 3.2rem;
	padding-left: 1.5rem;
	padding-right: 1.5rem;
}
.ffag-calculator__shell { border-radius: 24px; }
.ffag-form, .ffag-results { padding: clamp(1.6rem, 3vw, 3rem); }
.ffag-form { gap: 1.15rem; }
.ffag-form label, .ffag-dimensions legend { font-size: 0.93rem; line-height: 1.35; }
.ffag-form input[type="number"], .ffag-form select { font-size: 1.02rem; min-height: 3.2rem; }
.ffag-unit-switch__label { font-size: 0.82rem; }
.ffag-results__heading h3 { font-size: clamp(2rem, 2.7vw, 2.8rem); }
.ffag-result { gap: 0.35rem; min-height: 138px; padding: 1.1rem; }
.ffag-result span { font-size: 0.8rem; line-height: 1.35; }
.ffag-result strong { font-size: clamp(1.55rem, 2.1vw, 2.15rem); }
.ffag-result small { font-size: 0.82rem; line-height: 1.45; }
.ffag-results__notice { font-size: 0.95rem; line-height: 1.62; }
.ffag-method-note, .ffag-table-note {
	font-size: 0.94rem;
	line-height: 1.6;
	margin-top: 1.15rem;
	max-width: 1280px;
}
.ffag-table-wrap table { min-width: 980px; }
.ffag-table-wrap th, .ffag-table-wrap td {
	font-size: 0.96rem;
	line-height: 1.5;
	padding: 1.05rem 1.2rem;
}
.ffag-table-wrap thead th { font-size: 0.86rem; line-height: 1.4; }
.ffag-table-wrap tbody th { font-size: 1.15rem; line-height: 1.3; }
.ffag-card-grid { gap: 1.2rem; }
.ffag-card-grid article { padding: clamp(1.35rem, 2vw, 2rem); }
.ffag-card-grid h3 { font-size: clamp(1.42rem, 1.65vw, 1.75rem); line-height: 1.15; }
.ffag-card-grid p { font-size: 1rem; line-height: 1.62; }
.ffag-species { padding: clamp(1.75rem, 3.5vw, 3.5rem); }
.ffag-species-grid { gap: 1.2rem; }
.ffag-species-grid article > div { padding: clamp(1.3rem, 2vw, 2rem); }
.ffag-species-grid h3 { font-size: clamp(1.6rem, 2vw, 2.05rem); line-height: 1.08; }
.ffag-species-grid strong { font-size: 1.02rem; line-height: 1.5; }
.ffag-species-grid p:not(.ffag-eyebrow) { font-size: 0.98rem; line-height: 1.62; }
.ffag-species-grid a { font-size: 0.95rem; line-height: 1.45; }
.ffag-checklist { padding: clamp(1.5rem, 2.5vw, 2.4rem); }
.ffag-checklist h3 { font-size: clamp(1.75rem, 2.25vw, 2.2rem); }
.ffag-checklist li { font-size: 1rem; line-height: 1.6; padding-bottom: 0.9rem; padding-top: 0.9rem; }
.ffag-checklist li::before { top: 0.95rem; }
.ffag-next-step { padding: clamp(1.5rem, 2.5vw, 2.35rem); }
.ffag-next-step p:not(.ffag-eyebrow) { font-size: 1rem; line-height: 1.62; }
.ffag-faq-list { gap: 0.8rem; max-width: 1220px; }
.ffag-faq summary { font-size: clamp(1.18rem, 1.45vw, 1.45rem); line-height: 1.35; padding: 1.15rem 3.4rem 1.15rem 1.25rem; }
.ffag-faq details p { font-size: 1rem; line-height: 1.65; padding: 0 1.25rem 1.35rem; }
.ffag-sources { padding-top: 1.75rem; }
.ffag-sources h2 { font-size: 1.55rem; }
.ffag-sources p, .ffag-sources li { font-size: 0.94rem; line-height: 1.62; }
.ffag-care-cta { max-width: 1580px; }

@media (max-width: 820px) {
	.ffag-guide { gap: 0; }
	.ffag-hero { min-height: 0; }
	.ffag-results__grid { gap: 0.7rem; }
	.ffag-result { min-height: 125px; }
	.ffag-guide-tabs { overflow-x: auto; padding-bottom: 0.4rem; }
	.ffag-guide-tabs [role="tablist"] { grid-auto-columns: minmax(155px, 1fr); grid-auto-flow: column; grid-template-columns: none; min-width: max-content; }
	.ffag-guide-tabs button { justify-content: flex-start; min-width: 155px; }
}

@media (max-width: 620px) {
	.ffag-guide { font-size: 1rem; gap: 0; }
	.ffag-guide-tabs { margin-bottom: 2.5rem; margin-top: 1rem; }
	.ffag-guide-tabs [role="tablist"] { border-radius: 14px; }
	.ffag-section-heading { margin-bottom: 1.5rem; }
	.ffag-section-heading h2 { font-size: clamp(2rem, 10vw, 2.7rem); }
	.ffag-hero { padding-bottom: 1.5rem; padding-top: 1.5rem; }
	.ffag-hero h1 { font-size: clamp(2.25rem, 10.5vw, 2.85rem); }
	.ffag-form, .ffag-results { padding: 1.2rem; }
	.ffag-result { min-height: 108px; }
	.ffag-card-grid article, .ffag-checklist { padding: 1.25rem; }
	.ffag-species { padding: 1rem; }
	.ffag-faq summary { font-size: 1.12rem; padding-left: 1rem; }
	.ffag-faq details p { padding-left: 1rem; padding-right: 1rem; }
}

/* Compact calculator summary: keep all key figures visible without letting
   result typography dominate the form or the surrounding guide. */
.ffag-results {
	gap: 0.9rem;
	padding: clamp(1.35rem, 2.4vw, 2.25rem);
}
.ffag-results__heading h3 {
	font-size: clamp(1.7rem, 2.15vw, 2.25rem);
	line-height: 1;
}
.ffag-results__grid { gap: 0.6rem; }
.ffag-result {
	gap: 0.18rem;
	min-height: 96px;
	padding: 0.8rem 0.9rem;
}
.ffag-result:first-child { min-height: 88px; }
.ffag-result span {
	font-size: 0.71rem;
	letter-spacing: 0.045em;
	line-height: 1.25;
}
.ffag-result strong {
	font-size: clamp(1.25rem, 1.55vw, 1.65rem);
	line-height: 1.08;
}
.ffag-result small {
	font-size: 0.72rem;
	line-height: 1.3;
}
.ffag-results__notice {
	font-size: 0.84rem;
	line-height: 1.48;
	padding: 0.75rem 0.85rem;
}

@media (max-width: 820px) {
	.ffag-result { min-height: 92px; }
}

@media (max-width: 620px) {
	.ffag-results { gap: 0.75rem; padding: 1rem; }
	.ffag-results__grid { gap: 0.5rem; }
	.ffag-result, .ffag-result:first-child { min-height: 86px; padding: 0.72rem 0.8rem; }
	.ffag-result strong { font-size: clamp(1.2rem, 6vw, 1.45rem); }
}