/**
 * American Mechanical Systems — Armstrong Air Authorized Dealer page.
 * Scoped styles (.arm-*) for the [armstrong_air_dealer] shortcode.
 *
 * Colors are set with the .arm-page root selector (and !important on the
 * dark-section light text) so the parent theme / Elementor can never override
 * them into dark-on-dark. Layered design: patterned hero, accent-bar model
 * cards, icon feature grid, gradient warranty cards.
 *
 * Powered by GND
 */

.arm-page {
	--arm-navy-950: #071a31;
	--arm-navy-900: #0d2b4e;
	--arm-navy-800: #143a68;
	--arm-navy-700: #1e5bd6;
	--arm-flag: #d7263d;
	--arm-flag-dark: #b01d30;
	--arm-gold: #f4b942;
	--arm-ink: #1a2436;
	--arm-muted: #55617a;
	--arm-line: #e4e8f0;
	--arm-bg-soft: #f5f7fb;
	--arm-radius: 18px;
	--arm-shadow: 0 18px 40px -24px rgba(8, 29, 54, 0.45);
	font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--arm-ink); line-height: 1.65; font-size: 1.02rem;
}
.arm-page *, .arm-page *::before, .arm-page *::after { box-sizing: border-box; }
.arm-container { width: 100%; max-width: 1140px; margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.5rem); }

.arm-page h1, .arm-page h2, .arm-page h3, .arm-page h4 {
	font-family: "Fraunces", Georgia, "Times New Roman", serif;
	color: var(--arm-navy-950); line-height: 1.14; letter-spacing: -0.01em; margin: 0 0 0.5em;
}
.arm-page p { margin: 0 0 1rem; }
.arm-page a { color: var(--arm-navy-700); }

/* ---------------- HERO ---------------- */
.arm-hero {
	position: relative; overflow: hidden;
	background:
		radial-gradient(120% 140% at 88% -10%, rgba(30,91,214,0.55), transparent 55%),
		linear-gradient(135deg, var(--arm-navy-950) 0%, var(--arm-navy-800) 100%);
	padding: clamp(3.2rem, 7vw, 6rem) 0 clamp(2.6rem, 6vw, 4.8rem);
}
.arm-hero::before {
	content: ""; position: absolute; inset: 0; opacity: 0.5; pointer-events: none;
	background-image:
		linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
	background-size: 46px 46px;
	-webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000 30%, transparent 78%);
	        mask-image: radial-gradient(120% 90% at 20% 0%, #000 30%, transparent 78%);
}
.arm-hero::after {
	content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px;
	background: linear-gradient(90deg, var(--arm-flag) 0 38%, #fff 38% 62%, var(--arm-navy-700) 62% 100%);
}
.arm-hero__inner { position: relative; max-width: 880px; }
.arm-eyebrow {
	display: inline-flex; align-items: center; gap: 0.55rem;
	font-size: 0.76rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
	color: #ff9db0 !important; margin-bottom: 1.1rem;
	background: rgba(215,38,61,0.14); border: 1px solid rgba(255,157,176,0.28); padding: 0.4rem 0.85rem; border-radius: 999px;
}
.arm-eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--arm-flag); display: inline-block; }
.arm-page .arm-hero h1 { color: #fff !important; font-size: clamp(2rem, 4.6vw, 3.25rem); }
.arm-page .arm-hero__lede { color: #cfe0f7 !important; font-size: clamp(1.05rem, 1.8vw, 1.24rem); font-weight: 500; margin-bottom: 1.4rem; max-width: 48rem; }
.arm-badges { list-style: none; display: flex; flex-wrap: wrap; gap: 0.55rem; padding: 0; margin: 0 0 1.6rem; }
.arm-page .arm-badges li {
	color: #eaf1ff !important; font-size: 0.86rem; font-weight: 600;
	background: rgba(255,255,255,0.09); border: 1px solid rgba(255,255,255,0.18);
	border-radius: 999px; padding: 0.42rem 0.95rem; display: inline-flex; align-items: center; gap: 0.45rem;
}
.arm-page .arm-badges li::before { content: "\2713"; color: var(--arm-gold); font-weight: 800; }
.arm-hero__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* ---------------- BODY ---------------- */
.arm-body { padding: clamp(2.6rem, 5vw, 4rem) 0; background: radial-gradient(60% 30% at 100% 0%, rgba(30,91,214,0.05), transparent 60%); }
.arm-section { margin-top: clamp(2.6rem, 5vw, 3.6rem); }
.arm-section:first-child { margin-top: 0; }
.arm-section h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); position: relative; padding-bottom: 0.6rem; }
.arm-section h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 54px; height: 3px; border-radius: 3px; background: var(--arm-flag); }
.arm-section > p { color: #33405a; max-width: 62rem; }
.arm-lead {
	font-size: 1.16rem; color: var(--arm-navy-900); font-weight: 500;
	padding-left: 1.05rem; border-left: 4px solid var(--arm-flag); }

/* Model cards */
.arm-model {
	position: relative; overflow: hidden; display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 1.7rem; align-items: center;
	border: 1px solid var(--arm-line); border-radius: var(--arm-radius); padding: 1.7rem; margin: 1.4rem 0;
	background: #fff; box-shadow: var(--arm-shadow); transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.arm-model::before { content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 4px; background: linear-gradient(180deg, var(--arm-navy-700), var(--arm-flag)); }
.arm-model:hover { transform: translateY(-3px); box-shadow: 0 26px 50px -28px rgba(8,29,54,0.55); }
.arm-model__body h3 { font-size: 1.34rem; color: var(--arm-navy-900); margin-top: 0; }
.arm-model__spec {
	display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 700; color: var(--arm-navy-800);
	background: var(--arm-bg-soft); border: 1px solid var(--arm-line); border-radius: 999px; padding: 0.28rem 0.85rem; margin-bottom: 0.8rem; font-size: 0.92rem;
}
.arm-model__spec::before { content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--arm-flag); }
.arm-model__figure { margin: 0; }
.arm-figph {
	display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 0.5rem;
	min-height: 210px; border: 2px dashed #c6d0e2; border-radius: 14px; padding: 1.3rem; color: var(--arm-muted);
	background:
		radial-gradient(circle at 50% 35%, rgba(30,91,214,0.06), transparent 60%),
		repeating-linear-gradient(135deg, #f7f9fc, #f7f9fc 12px, #eef3fb 12px, #eef3fb 24px);
}
.arm-figph__icon { font-size: 1.8rem; opacity: 0.65; }
.arm-figph__cap { font-size: 0.86rem; font-weight: 600; color: var(--arm-navy-900); max-width: 26ch; }
.arm-figph__note { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: #9aa7bf; font-weight: 700; }
/* Real product image (hotlinked from Armstrong Air CDN). */
.arm-model__imglink {
	display: grid; place-items: center; min-height: 210px; padding: 1.1rem;
	border: 1px solid var(--arm-line); border-radius: 14px;
	background: radial-gradient(circle at 50% 38%, rgba(30,91,214,0.06), transparent 62%), #fff;
	transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.arm-model__imglink:hover { box-shadow: 0 16px 34px -20px rgba(8,29,54,0.5); }
.arm-model__img { max-width: 100%; max-height: 240px; width: auto; height: auto; object-fit: contain; }

/* Bullet / feature lists */
.arm-list { margin: 0.6rem 0 1.1rem; padding: 0; list-style: none; }
.arm-list li { position: relative; padding-left: 1.7rem; margin-bottom: 0.45rem; }
.arm-list li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.55rem; height: 0.55rem; border-radius: 2px; background: var(--arm-navy-700); transform: rotate(45deg); }

.arm-features { list-style: none; padding: 0; margin: 1.3rem 0; display: grid; gap: 1rem; }
@media (min-width: 720px) { .arm-features { grid-template-columns: 1fr 1fr; } }
.arm-features li {
	position: relative; border: 1px solid var(--arm-line); border-radius: 14px; padding: 1.1rem 1.25rem 1.1rem 3.2rem;
	background: #fff; box-shadow: var(--arm-shadow);
}
.arm-features li::before {
	content: "\2726"; position: absolute; left: 1rem; top: 1.05rem; width: 1.5rem; height: 1.5rem; display: grid; place-items: center;
	border-radius: 8px; background: rgba(30,91,214,0.12); color: var(--arm-navy-700); font-size: 0.85rem;
}
.arm-features strong { color: var(--arm-navy-900); }

/* Warranty */
.arm-warranty { display: grid; gap: 1rem; margin: 1.3rem 0; }
@media (min-width: 720px) { .arm-warranty { grid-template-columns: 1fr 1fr; } }
.arm-warranty__card {
	position: relative; overflow: hidden; border: 1px solid var(--arm-line); border-radius: 16px; padding: 1.35rem 1.45rem;
	background: linear-gradient(180deg, #fff, #fbfcff); box-shadow: var(--arm-shadow);
}
.arm-warranty__card::before { content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 4px; background: var(--arm-flag); }
.arm-warranty__card h3 { margin-top: 0; font-size: 1.14rem; }

/* FAQ */
.arm-faq { margin: 1rem 0; border: 1px solid var(--arm-line); border-radius: 16px; overflow: hidden; box-shadow: var(--arm-shadow); }
.arm-faq__item { border-bottom: 1px solid var(--arm-line); background: #fff; }
.arm-faq__item:last-child { border-bottom: 0; }
.arm-faq__item[open] { background: var(--arm-bg-soft); }
.arm-faq__q {
	cursor: pointer; list-style: none; font-weight: 600; color: var(--arm-navy-900);
	padding: 1rem 2.6rem 1rem 1.3rem; position: relative; font-size: 1.05rem;
}
.arm-faq__q::-webkit-details-marker { display: none; }
.arm-faq__q::after {
	content: "+"; position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%);
	width: 1.5rem; height: 1.5rem; display: grid; place-items: center; border-radius: 50%;
	background: rgba(215,38,61,0.12); color: var(--arm-flag); font-size: 1.15rem; line-height: 1;
}
.arm-faq__item[open] .arm-faq__q::after { content: "\2013"; }
.arm-faq__a { padding: 0 1.3rem 1.1rem; color: #33405a; }

/* Buttons */
.arm-btn {
	display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; cursor: pointer;
	font-family: "Inter", sans-serif; font-weight: 600; font-size: 0.95rem; line-height: 1.2;
	border-radius: 999px; padding: 0.68rem 1.3rem; border: 1.5px solid transparent;
	transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}
.arm-btn:hover { transform: translateY(-2px); }
.arm-btn--primary { background: linear-gradient(135deg, var(--arm-flag), var(--arm-flag-dark)); color: #fff !important; box-shadow: 0 12px 24px -10px rgba(215,38,61,0.65); }
.arm-btn--ghost { background: #fff; color: var(--arm-navy-900) !important; border-color: var(--arm-line); }
.arm-btn--ghost:hover { border-color: var(--arm-navy-700); box-shadow: 0 12px 24px -14px rgba(20,58,104,0.6); }
.arm-btn--glass { background: rgba(255,255,255,0.10); color: #fff !important; border-color: rgba(255,255,255,0.3); }
.arm-btn--glass:hover { background: rgba(255,255,255,0.18); }
.arm-btn--sm { font-size: 0.87rem; padding: 0.52rem 1.05rem; }
.arm-btn__arrow { transition: transform 0.16s ease; }
.arm-btn:hover .arm-btn__arrow { transform: translateX(3px); }
.arm-btn-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 0.5rem 0 0; }

/* Final CTA */
.arm-cta {
	position: relative; overflow: hidden; margin-top: 3.2rem; border-radius: 24px; text-align: center;
	background:
		radial-gradient(90% 120% at 0% 0%, rgba(30,91,214,0.5), transparent 55%),
		linear-gradient(135deg, var(--arm-navy-950), var(--arm-navy-800));
	padding: clamp(2.2rem, 5vw, 3.4rem);
}
.arm-cta::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px; background: linear-gradient(90deg, var(--arm-flag) 0 38%, #fff 38% 62%, var(--arm-navy-700) 62% 100%); }
.arm-page .arm-cta h2 { color: #fff !important; }
.arm-page .arm-cta p { color: #cfe0f7 !important; }
.arm-page .arm-cta__phone { font-family: "Fraunces", serif; font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 700; color: #fff !important; display: inline-block; margin: 0.3rem 0 1.2rem; text-decoration: none; }
.arm-cta__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }

/* NAP */
.arm-nap { margin-top: 2.6rem; padding-top: 1.7rem; border-top: 1px solid var(--arm-line); color: var(--arm-muted); font-size: 0.95rem; text-align: center; }
.arm-nap strong { color: var(--arm-navy-900); }
.arm-nap__services { font-weight: 600; color: var(--arm-navy-900); margin-top: 0.6rem; letter-spacing: 0.02em; }

@media (max-width: 720px) {
	.arm-model { grid-template-columns: 1fr; }
	.arm-model__figure { order: -1; }
}