/* Beaumont Furnace Fix — site design system
   Layer 1: tokens, base, header, buttons, heroes, sections, shared components.
   (blend.css adds page-level components + motion.) */

@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .28s; }

:root {
  --navy: #0d385a;
  --navy-deep: #082a45;
  --navy-ink: #061f33;
  --navy-soft: #174d76;
  --sky: #bfe0fb;
  --soft: #e7f4ff;
  --accent: #8dc8f4;
  --accent-text: #27678f;
  --paper: #f6f9fc;
  --white: #fff;
  --ink: #122637;
  --muted: #4b6070;
  --line: #d8e2ea;
  --gold: #ffb800;
  --gold-text: #805500;
  --call: #f26a1b;
  --call-dark: #d4550c;
  --alert: #b42318;
  --alert-soft: #fdecea;
  --success: #176044;
  --success-soft: #e2f5ec;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 24px 64px rgba(7, 39, 64, .16);
  --shadow-soft: 0 10px 30px rgba(7, 39, 64, .08);
  --shadow-lift: 0 22px 48px rgba(7, 39, 64, .16);
  --max: 1180px;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Bricolage Grotesque", "Manrope", system-ui, sans-serif;
  --topbar-h: 38px;
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px; margin: 0; overflow-x: hidden;
  color: var(--ink); background: var(--paper);
  font-family: var(--font); font-size: 16.5px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
@supports (overflow: clip) { html, body { overflow-x: clip; } }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; max-width: 100%; height: auto; }
iframe { display: block; width: 100%; border: 0; }
svg { flex: none; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--display); color: var(--navy); line-height: 1.12; letter-spacing: -.015em; }
h3 { font-size: 1.18rem; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
address { font-style: normal; }
table { border-collapse: collapse; width: 100%; }
[id] { scroll-margin-top: calc(var(--nav-h) + 70px); }
::selection { background: var(--gold); color: var(--navy-ink); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

.shell { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 200; padding: 12px 18px; color: #fff; background: var(--navy); border-radius: 10px; font-weight: 800; transition: top .2s; }
.skip-link:focus { top: 14px; }

/* ---------- scroll progress ---------- */
.scroll-progress { position: fixed; inset: 0 0 auto 0; z-index: 120; height: 4px; pointer-events: none; }
.scroll-progress i { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, var(--call), var(--gold)); }

/* ---------- header ---------- */
#navbar-container { position: sticky; top: calc(var(--topbar-h) * -1); z-index: 90; }
.site-header { position: relative; }
.topbar { height: var(--topbar-h); color: #cfe3f3; background: var(--navy-ink); font-size: 13px; font-weight: 600; }
.topbar-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.topbar-item { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.topbar-item::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
a.topbar-item { color: #fff; font-weight: 800; }
a.topbar-item::before { background: var(--call); animation: blink 1.8s ease-in-out infinite; }
a.topbar-item:hover { color: var(--gold); }
@keyframes blink { 50% { opacity: .25; transform: scale(.7); } }

.nav-wrap { background: rgba(255, 255, 255, .88); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid rgba(13, 56, 90, .08); transition: box-shadow .3s, background .3s; }
body.is-scrolled .nav-wrap { box-shadow: 0 10px 30px rgba(7, 39, 64, .12); background: rgba(255, 255, 255, .95); }
.navbar { min-height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; transition: min-height .3s var(--ease); }
body.is-scrolled .navbar { min-height: 64px; }

.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { display: grid; place-items: center; width: 46px; height: 46px; flex: none; overflow: hidden; background: #fff; border-radius: 14px; box-shadow: 0 0 0 1px var(--line), 0 6px 14px rgba(7, 39, 64, .1); transition: transform .4s var(--ease); }
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.06); }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-copy strong { font-family: var(--display); font-size: 1.1rem; font-weight: 800; color: var(--navy); letter-spacing: -.01em; white-space: nowrap; }
.brand-copy span { font-size: 11.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; color: var(--call); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > a:not(.btn), .nav-dropdown-trigger > a { position: relative; padding: 10px 14px; color: var(--navy); font-weight: 700; font-size: 15px; border-radius: 999px; transition: background .2s, color .2s; }
.nav-links > a:not(.btn):hover, .nav-dropdown-trigger > a:hover { background: var(--soft); }
.nav-links a[aria-current="page"] { color: var(--call-dark); }
.nav-links > a:not(.btn)[aria-current="page"]::after, .nav-dropdown-trigger > a[aria-current="page"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 3px; border-radius: 3px; background: var(--call); }
.nav-links .btn { margin-left: 8px; min-height: 46px; padding: 0 20px; font-size: 15px; }

.nav-dropdown { position: relative; }
.nav-dropdown-trigger { display: flex; align-items: center; }
.nav-dropdown-toggle { display: grid; place-items: center; width: 28px; height: 28px; margin-left: -6px; padding: 0; color: var(--navy); background: transparent; border: 0; border-radius: 50%; cursor: pointer; transition: background .2s; }
.nav-dropdown-toggle:hover { background: var(--soft); }
.nav-dropdown-toggle svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.nav-dropdown.is-open .nav-dropdown-toggle svg { transform: rotate(180deg); }
.nav-dropdown-panel { position: absolute; top: calc(100% + 10px); left: -10px; z-index: 5; width: 360px; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px) scale(.98); transform-origin: top left; transition: opacity .22s, transform .28s var(--ease), visibility 0s linear .28s; }
.nav-dropdown.is-open .nav-dropdown-panel { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.nav-dropdown-list { display: grid; gap: 2px; }
.nav-dropdown-item { display: flex; align-items: center; gap: 14px; padding: 10px 12px; color: var(--navy); font-weight: 700; font-size: 14.5px; border-radius: 12px; transition: background .2s, transform .25s var(--ease); }
.nav-dropdown-item:hover { background: var(--soft); transform: translateX(4px); }
.nav-dropdown-index { display: grid; place-items: center; width: 28px; height: 28px; flex: none; color: var(--call-dark); background: #fff1e7; border-radius: 9px; font-size: 11.5px; font-weight: 800; }
.nav-dropdown-all { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; padding: 12px 14px; color: #fff; background: var(--navy); border-radius: 12px; font-weight: 800; font-size: 14.5px; }
.nav-dropdown-all span { transition: transform .25s var(--ease); }
.nav-dropdown-all:hover span { transform: translateX(5px); }

.nav-toggle { display: none; width: 48px; height: 48px; place-items: center; padding: 0; color: var(--navy); background: var(--soft); border: 0; border-radius: 14px; cursor: pointer; }
.nav-toggle svg { width: 24px; height: 24px; }
.nav-close-icon, .nav-toggle[aria-expanded="true"] .nav-open-icon { display: none; }
.nav-toggle[aria-expanded="true"] .nav-close-icon { display: block; }

/* ---------- buttons ---------- */
.btn { position: relative; overflow: hidden; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; font: 800 16px/1 var(--font); color: var(--navy); background: #fff; border: 2px solid transparent; border-radius: 999px; cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s, background .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-lg { min-height: 60px; padding: 0 32px; font-size: 17.5px; }
.btn-call { color: #fff; background: linear-gradient(135deg, #ff8238, var(--call) 55%, var(--call-dark)); box-shadow: 0 12px 26px rgba(242, 106, 27, .34); }
.btn-call:hover { box-shadow: 0 18px 34px rgba(242, 106, 27, .46); }
.btn-call::after { content: ""; position: absolute; inset: 0 auto 0 -60%; z-index: -1; width: 40%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent); transform: skewX(-20deg); transition: left .7s var(--ease); }
.btn-call:hover::after { left: 130%; }
.btn-ghost { color: #fff; background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .55); backdrop-filter: blur(4px); }
.btn-ghost:hover { color: var(--navy); background: #fff; border-color: #fff; }

.text-link { color: var(--navy-soft); font-weight: 800; background: linear-gradient(var(--call), var(--call)) 0 100% / 0 2px no-repeat; transition: background-size .35s var(--ease), color .2s; }
.text-link:hover { color: var(--call-dark); background-size: 100% 2px; }
main p a:not(.btn):not(.text-link), main li a:not(.btn), .answer a, .bff-sources a { color: var(--navy-soft); font-weight: 700; text-decoration: underline; text-decoration-color: rgba(242, 106, 27, .55); text-decoration-thickness: 2px; text-underline-offset: 3px; transition: color .2s, text-decoration-color .2s; }
main p a:not(.btn):hover, main li a:not(.btn):hover, .answer a:hover, .bff-sources a:hover { color: var(--call-dark); text-decoration-color: var(--call); }

.sticky-call { position: fixed; right: max(18px, env(safe-area-inset-right)); bottom: max(18px, env(safe-area-inset-bottom)); z-index: 80; display: inline-flex; align-items: center; gap: 10px; min-height: 56px; padding: 0 24px; color: #fff; background: linear-gradient(135deg, #ff8238, var(--call-dark)); border: 3px solid #fff; border-radius: 999px; box-shadow: 0 14px 34px rgba(242, 106, 27, .5); font-weight: 800; font-size: 15.5px; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(16px) scale(.96); transition: opacity .3s, transform .35s var(--ease), visibility 0s linear .35s; }
.sticky-call.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: none; transition-delay: 0s; animation: ringpulse 2.8s ease-out infinite 1s; }
.sticky-call span { display: inline-block; animation: wiggle 3.6s ease-in-out infinite; }
@keyframes ringpulse { 0% { box-shadow: 0 14px 34px rgba(242, 106, 27, .5), 0 0 0 0 rgba(242, 106, 27, .45); } 70%, 100% { box-shadow: 0 14px 34px rgba(242, 106, 27, .5), 0 0 0 20px rgba(242, 106, 27, 0); } }
@keyframes wiggle { 0%, 88%, 100% { transform: rotate(0); } 91% { transform: rotate(-16deg); } 94% { transform: rotate(14deg); } 97% { transform: rotate(-8deg); } }
.to-top { position: fixed; left: max(18px, env(safe-area-inset-left)); bottom: max(18px, env(safe-area-inset-bottom)); z-index: 80; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; color: #fff; background: var(--navy); border: 3px solid #fff; border-radius: 50%; box-shadow: var(--shadow); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(14px); transition: opacity .3s, transform .3s var(--ease), visibility 0s linear .3s, background .2s; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.to-top:hover { background: var(--call); }
.to-top svg { width: 22px; height: 22px; }

/* ---------- heroes ---------- */
.hero, .inner-hero { position: relative; overflow: hidden; isolation: isolate; color: #fff; background: var(--navy-ink); }
.hero-bg, .inner-hero-bg { position: absolute; inset: -4% 0; z-index: -3; width: 100%; height: 108%; object-fit: cover; translate: 0 var(--py, 0px); animation: kenburns 26s ease-in-out infinite alternate; will-change: translate, scale; }
@keyframes kenburns { from { scale: 1.02; } to { scale: 1.12; } }
.hero::before, .inner-hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(100deg, rgba(6, 31, 51, .96) 8%, rgba(8, 42, 69, .82) 48%, rgba(8, 42, 69, .45) 100%), linear-gradient(0deg, rgba(6, 31, 51, .7), transparent 45%); }
.hero::after, .inner-hero::after { content: ""; position: absolute; right: -10%; bottom: -35%; z-index: -1; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px; background: radial-gradient(circle, rgba(242, 106, 27, .38), rgba(255, 184, 0, .12) 40%, transparent 68%); animation: glow 7s ease-in-out infinite alternate; pointer-events: none; }
@keyframes glow { from { transform: scale(.9); opacity: .65; } to { transform: scale(1.12); opacity: 1; } }

.ember { position: absolute; bottom: -20px; z-index: -1; width: var(--s, 6px); height: var(--s, 6px); border-radius: 50%; background: radial-gradient(circle, #ffd27a, var(--call) 60%, transparent 70%); box-shadow: 0 0 14px 3px rgba(255, 140, 50, .55); opacity: 0; animation: rise var(--t, 12s) linear var(--dl, 0s) infinite; pointer-events: none; }
@keyframes rise { 0% { transform: translate(0, 0) scale(1); opacity: 0; } 10% { opacity: .9; } 60% { opacity: .6; } 100% { transform: translate(var(--dx, 30px), -78vh) scale(.3); opacity: 0; } }

.hero { padding: clamp(56px, 7vw, 96px) 0 clamp(120px, 11vw, 150px); }
.hero-inner { display: grid; gap: 34px; }
.hero-copy, .inner-hero-content { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.hero-copy { max-width: 720px; }
.inner-hero-content > * { max-width: 760px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 14px; color: #ffe3b3; background: rgba(255, 184, 0, .12); border: 1px solid rgba(255, 184, 0, .4); border-radius: 999px; font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.hero-kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(255, 184, 0, .7); animation: dot 2s infinite; }
@keyframes dot { 70%, 100% { box-shadow: 0 0 0 10px rgba(255, 184, 0, 0); } }
.hero h1, .inner-hero h1 { color: #fff; font-weight: 800; letter-spacing: -.03em; line-height: 1.02; text-wrap: balance; }
.hero h1 { font-size: clamp(2.6rem, 5.8vw, 4.5rem); }
.hero-copy > p, .inner-hero-content > p { max-width: 600px; color: #dbe9f5; font-size: clamp(1.05rem, 1.6vw, 1.22rem); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 6px; }
.hero p.bff-hero-note { max-width: 560px; margin: 8px 0 0; padding: 12px 16px; color: #c3d8e8; background: rgba(255, 255, 255, .06); border-left: 3px solid var(--gold); border-radius: 0 12px 12px 0; font-size: 13.5px; line-height: 1.55; backdrop-filter: blur(4px); }
.bff-hero-note { max-width: 560px; margin: 8px 0 0; padding: 12px 16px; color: #c3d8e8 !important; background: rgba(255, 255, 255, .06); border-left: 3px solid var(--gold); border-radius: 0 12px 12px 0; font-size: 13.5px !important; line-height: 1.55 !important; backdrop-filter: blur(4px); }
.hero-badges { position: absolute; right: max(20px, calc((100% - var(--max)) / 2)); bottom: 118px; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.hero-badge { padding: 10px 18px; color: #fff; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .25); border-radius: 999px; backdrop-filter: blur(10px); font-size: 14px; font-weight: 800; animation: floaty 6s ease-in-out infinite; }
.hero-badge:nth-child(2) { animation-delay: -3s; }
@keyframes floaty { 50% { transform: translateY(-8px); } }

.inner-hero { padding: clamp(48px, 7vw, 92px) 0 clamp(96px, 10vw, 138px); }
.inner-hero h1 { font-size: clamp(2.1rem, 4.8vw, 3.7rem); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700; color: #b4cce0; }
.breadcrumbs a { color: #fff; opacity: .85; transition: opacity .2s, color .2s; }
.breadcrumbs a:hover { opacity: 1; color: var(--gold); }
.breadcrumbs strong { color: var(--gold); font-weight: 800; }

.hero-copy > p.bff-fine, .inner-hero-content > p.bff-fine { margin: 0 !important; color: #9fbdd4 !important; font-size: 13px; }
/* hero entrance */
.hero-copy > *, .inner-hero-content > *, .hero-badge { animation-fill-mode: both; }
.hero-copy > *, .inner-hero-content > * { animation: up .8s var(--ease) both; }
.hero-copy > :nth-child(1), .inner-hero-content > :nth-child(1) { animation-delay: .05s; }
.hero-copy > :nth-child(2), .inner-hero-content > :nth-child(2) { animation-delay: .14s; }
.hero-copy > :nth-child(3), .inner-hero-content > :nth-child(3) { animation-delay: .24s; }
.hero-copy > :nth-child(4), .inner-hero-content > :nth-child(4) { animation-delay: .34s; }
.hero-copy > :nth-child(5), .inner-hero-content > :nth-child(5) { animation-delay: .44s; }
.hero-copy > :nth-child(6), .inner-hero-content > :nth-child(6) { animation-delay: .54s; }
.hero-copy > :nth-child(7), .inner-hero-content > :nth-child(7) { animation-delay: .62s; }
@keyframes up { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* ---------- stats strip ---------- */
.bff-stats { position: relative; z-index: 4; margin-top: -70px; padding: 0 0 12px; background: transparent; }
.bff-stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; padding: 14px; background: #fff; border: 1px solid rgba(13, 56, 90, .08); border-radius: 28px; box-shadow: var(--shadow); }
.bff-stat { display: flex; align-items: center; gap: 14px; min-width: 0; padding: 14px 16px; border-radius: 20px; transition: background .25s; }
.bff-stat:hover { background: var(--paper); }
.bff-stat .i { display: grid; place-items: center; width: 54px; height: 54px; flex: none; color: #fff; background: linear-gradient(145deg, var(--navy-soft), var(--navy-deep)); border-radius: 16px; box-shadow: 0 8px 18px rgba(13, 56, 90, .28); transition: transform .4s var(--ease), background .3s; }
.bff-stat:hover .i { transform: rotate(-8deg) scale(1.08); background: linear-gradient(145deg, #ff8238, var(--call-dark)); }
.bff-stat .i svg { width: 26px; height: 26px; }
.bff-stat b { display: block; font-family: var(--display); font-size: 1.28rem; line-height: 1.15; color: var(--navy); font-variant-numeric: tabular-nums; }
.bff-stat span { display: block; margin-top: 3px; color: var(--muted); font-size: 13.5px; line-height: 1.4; }
.bff-stat span.i { margin: 0; }

/* ---------- section nav ---------- */
.section-nav { position: sticky; top: var(--nav-h); z-index: 60; margin-top: 8px; background: rgba(246, 249, 252, .9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
body.is-scrolled .section-nav { top: 64px; }
.section-nav .shell { display: flex; gap: 6px; padding: 10px 0; overflow-x: auto; scrollbar-width: none; scroll-behavior: smooth; }
.section-nav .shell::-webkit-scrollbar { display: none; }
.section-nav a { flex: none; padding: 8px 16px; color: var(--navy); background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 700; transition: background .2s, color .2s, border-color .2s, transform .25s var(--ease); }
.section-nav a:hover { border-color: var(--navy); transform: translateY(-1px); }
.section-nav a.is-active { color: #fff; background: var(--navy); border-color: var(--navy); }

/* ---------- sections ---------- */
.section { position: relative; padding: clamp(64px, 8vw, 108px) 0; }
.section-sm { padding: 34px 0 0; }
.bg-white { background: #fff; }
.bg-soft { background: linear-gradient(180deg, #edf6fe, #e4f1fc); }
.bg-soft::before { content: ""; position: absolute; inset: 0; background: radial-gradient(rgba(13, 56, 90, .07) 1.2px, transparent 1.4px) 0 0 / 26px 26px; -webkit-mask: linear-gradient(180deg, #000, transparent 70%); mask: linear-gradient(180deg, #000, transparent 70%); pointer-events: none; }
.bg-soft > .shell, .bg-blue > .shell { position: relative; }
.bg-blue { background: radial-gradient(900px 400px at 90% 0, rgba(255, 255, 255, .7), transparent 70%), linear-gradient(135deg, #cfe8fb, #b4d9f6); }
.narrow { max-width: 820px; }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--accent-text); font-size: 12.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--call), var(--gold)); }
.eyebrow.light { color: var(--gold); }
.section-title { margin-top: 12px; font-size: clamp(1.95rem, 3.8vw, 3rem); font-weight: 800; letter-spacing: -.025em; text-wrap: balance; }
.section-title::after { content: ""; display: block; width: 64px; height: 5px; margin-top: 18px; border-radius: 5px; background: linear-gradient(90deg, var(--call), var(--gold)); transform-origin: left; transition: transform .9s var(--ease) .15s; }
html.js .section-title:not(.in)::after { transform: scaleX(0); }
.lead { color: var(--ink); font-size: 1.15rem; font-weight: 500; }

.bff-head { margin-bottom: 30px; }
.center-copy { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.center-copy .eyebrow { justify-content: center; }
.center-copy .section-title::after { margin-inline: auto; transform-origin: center; }
.center-copy .lead, .center-copy p { margin-top: 18px; color: var(--muted); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px 56px; align-items: end; margin-bottom: 40px; }
.section-heading > p, .section-heading > .chunks { color: var(--muted); }
.section-heading .chunks { display: grid; gap: 10px; }
.section-heading p strong { color: var(--navy); }

.bff-flow { display: grid; gap: 22px; }
.bff-flow > p, .bff-flow > .chunks { max-width: 74ch; }
.chunks { display: grid; gap: 12px; }
.bff-flow p, .bff-split-copy p, .bff-two p, .bff-wind-copy p, .bff-safety-copy p, .bff-push-copy p { color: var(--muted); }
.bff-flow > p:first-child, .bff-flow > .chunks:first-child > p:first-child, .bff-split-copy > p:first-of-type, .bff-split-copy > .chunks:first-child > p:first-child { color: var(--ink); font-size: 1.14rem; font-weight: 500; }
.bff-flow strong, .bff-split-copy strong { color: var(--navy); }
.bff-fine { color: var(--muted); font-size: 13.5px; }
.bff-sources { max-width: none; padding: 16px 20px; color: var(--muted); background: var(--paper); border: 1px dashed #bcd0df; border-radius: var(--radius-sm); font-size: 13.5px; line-height: 1.7; }
.bff-sources b { color: var(--navy); }
.bff-center-p { max-width: 760px; margin: 0 auto 36px; color: var(--muted); text-align: center; }
.bff-center-p.strong { margin: 40px auto 0; color: var(--navy); font-family: var(--display); font-size: 1.5rem; font-weight: 700; line-height: 1.3; }
.section-actions, .call-row { display: flex; justify-content: center; margin-top: 40px; }
.bff-flow .call-row { justify-content: flex-start; margin-top: 8px; }
.definition-note { max-width: 760px; margin: 36px auto 0; padding: 20px 24px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: var(--radius-sm); box-shadow: var(--shadow-soft); }
.bff-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 40px; margin: 36px 0; }

/* ---------- cards: shared ---------- */
.service-card, .symptom-card, .bff-part, .bff-svc, .bff-checks li, .bff-col, .process-step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft); transition: transform .35s var(--ease), box-shadow .35s, border-color .3s; }
.service-card:hover, .symptom-card:hover, .bff-part:hover, .bff-svc:hover, .bff-checks li:hover, .bff-col:hover, .process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: var(--accent); }
.service-card::after, .symptom-card::after, .bff-part::after, .bff-svc::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(242, 106, 27, .1), transparent 60%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.service-card:hover::after, .symptom-card:hover::after, .bff-part:hover::after, .bff-svc:hover::after { opacity: 1; }

.bff-parts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; counter-reset: part; }
.bff-parts.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bff-part { padding: 30px 26px 26px; counter-increment: part; overflow: hidden; }
.bff-part::before { content: counter(part, decimal-leading-zero); position: absolute; top: 14px; right: 20px; color: #e1eef9; font-family: var(--display); font-size: 2.6rem; font-weight: 800; line-height: 1; transition: color .3s, transform .4s var(--ease); }
.bff-part:hover::before { color: #ffd9bf; transform: scale(1.12); }
.bff-part h3 { position: relative; margin: 0 0 10px; padding-right: 48px; font-size: 1.15rem; }
.bff-part p { position: relative; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.bff-part.top { border-color: #ffd7b8; background: linear-gradient(180deg, #fff7f0, #fff); }
.bff-part.top::before { color: #ffd9bf; }
.bff-part .flag { display: inline-block; margin-bottom: 12px; padding: 4px 12px; color: #fff; background: var(--call); border-radius: 999px; font-size: 11.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }

.bff-checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; list-style: none; }
.bff-checks li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 14px; align-items: start; padding: 20px 22px; }
.bff-checks .tick { display: grid; place-items: center; width: 38px; height: 38px; color: #fff; background: linear-gradient(145deg, #25a574, var(--success)); border-radius: 50%; box-shadow: 0 6px 14px rgba(23, 96, 68, .3); }
.bff-checks .tick svg { width: 18px; height: 18px; stroke-dasharray: 26; stroke-dashoffset: 0; }
html.js .bff-checks:not(.in) .tick svg { stroke-dashoffset: 26; }
.bff-checks.in .tick svg { transition: stroke-dashoffset .6s ease .35s; }
.bff-checks li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.bff-checks b { display: block; color: var(--navy); font-size: 1.02rem; line-height: 1.3; }
.bff-checks li span:not(.tick) { display: block; margin-top: 4px; color: var(--muted); font-size: 15px; line-height: 1.55; }

/* ---------- callouts ---------- */
.bff-tip, .bff-alert { display: flex; gap: 16px; align-items: flex-start; padding: 22px 24px; border-radius: var(--radius-sm); border: 1px solid; border-left-width: 5px; }
.bff-tip { color: #5a4300; background: #fff8e4; border-color: #ffe39a; border-left-color: var(--gold); }
.bff-alert { color: #6e1710; background: var(--alert-soft); border-color: #f5c4be; border-left-color: var(--alert); }
.bff-tip > svg, .bff-alert > svg { width: 28px; height: 28px; margin-top: 2px; }
.bff-tip > svg { color: #b47900; }
.bff-alert > svg { color: var(--alert); }
.bff-tip p, .bff-alert p { color: inherit; }
.bff-tip strong, .bff-tip b, .bff-alert strong, .bff-alert b { color: var(--navy-ink); }
.bff-alert strong, .bff-alert b { color: var(--alert); }
.bff-tip .chunks, .bff-alert .chunks { gap: 8px; }
.bff-tip a, .bff-alert a { color: inherit; }
.bff-pre { padding: 34px 0 0; }
.bff-pre .bff-alert { box-shadow: var(--shadow-soft); animation: alertpulse 3.6s ease-in-out infinite; }
@keyframes alertpulse { 50% { box-shadow: 0 0 0 8px rgba(180, 35, 24, .08), var(--shadow-soft); } }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft); }
table th, table td { padding: 16px 20px; text-align: left; vertical-align: top; }
table thead th { color: #fff; background: linear-gradient(135deg, var(--navy-soft), var(--navy-deep)); font-size: 12.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; white-space: nowrap; }
table tbody th { color: var(--navy); font-weight: 800; background: #f6fafe; }
table tbody tr { transition: background .2s; }
table tbody tr + tr > * { border-top: 1px solid var(--line); }
table tbody tr:hover > * { background: #fff9f3; }
table td { color: var(--ink); font-size: 15.5px; }
.bff-table tbody th { min-width: 170px; }
.dot { display: inline-block; width: 11px; height: 11px; margin-right: 10px; border-radius: 50%; }
.dot.blue { background: #2f8cdf; box-shadow: 0 0 0 4px rgba(47, 140, 223, .2); }
.dot.amber { background: var(--gold); box-shadow: 0 0 0 4px rgba(255, 184, 0, .25); }
.pill { display: inline-block; padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 800; line-height: 1.3; white-space: nowrap; }
.pill.ok { color: var(--success); background: var(--success-soft); }
.pill.warn { color: var(--gold-text); background: #fff0cc; }
.pill.bad { color: var(--alert); background: var(--alert-soft); }
.pill.neutral { color: var(--navy); background: var(--soft); }

/* ---------- split / related / bars / compare ---------- */
.bff-split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.bff-split-copy { display: grid; gap: 16px; }
.bff-split-copy .section-title { margin-bottom: 8px; }
.bff-split-visual { position: sticky; top: calc(var(--nav-h) + 90px); display: grid; gap: 18px; }

.bff-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; }
.bff-svc { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 28px; overflow: hidden; }
.bff-svc .ic { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 6px; color: #fff; background: linear-gradient(145deg, var(--navy-soft), var(--navy-deep)); border-radius: 18px; box-shadow: 0 10px 20px rgba(13, 56, 90, .26); transition: transform .45s var(--ease), background .3s; }
.bff-svc:hover .ic { transform: rotate(-8deg) scale(1.08); background: linear-gradient(145deg, #ff8238, var(--call-dark)); }
.bff-svc .ic svg { width: 27px; height: 27px; }
.bff-svc h3 { font-size: 1.2rem; }
.bff-svc p { color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.bff-svc .go { position: relative; margin-top: auto; padding-top: 6px; color: var(--call-dark); font-weight: 800; }
.bff-svc .go::after { content: "→"; display: inline-block; margin-left: 8px; transition: transform .3s var(--ease); }
.bff-svc:hover .go::after { transform: translateX(7px); }

.bff-bars { margin: 0; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-soft); }
.bff-bars figcaption { margin-bottom: 20px; color: var(--navy); font-family: var(--display); font-size: 1.2rem; font-weight: 800; }
.bff-bars ul { display: grid; gap: 24px; list-style: none; }
.bff-bars li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 16px; align-items: end; }
.bff-bars .lbl { color: var(--ink); font-weight: 700; font-size: 15px; line-height: 1.4; }
.bff-bars b { font-family: var(--display); font-size: 1.7rem; line-height: 1; color: var(--call-dark); }
.bff-bars .track { grid-column: 1 / -1; height: 14px; overflow: hidden; background: var(--soft); border-radius: 999px; }
.bff-bars .fill { display: block; height: 100%; background: linear-gradient(90deg, var(--call), var(--gold)); border-radius: 999px; transform-origin: left; transition: transform 1.3s var(--ease); }
html.js .bff-bars:not(.in) .fill { transform: scaleX(0); }
.bff-bars li:nth-child(2) .fill { transition-delay: .15s; }
.bff-bars li:nth-child(3) .fill { transition-delay: .3s; }
.bff-bars li:nth-child(4) .fill { transition-delay: .45s; }
.bff-bars small { grid-column: 1 / -1; color: var(--muted); font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }

.bff-compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin: 8px 0; }
.bff-col { padding: 30px; border-top: 6px solid var(--navy); }
.bff-col h3 { margin-bottom: 16px; font-size: 1.3rem; }
.bff-col ul { display: grid; gap: 12px; list-style: none; }
.bff-col li { position: relative; padding-left: 32px; color: var(--ink); font-size: 15.5px; }
.bff-col li::before { content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--navy-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.5 4 4 8-9'/%3E%3C/svg%3E") center / 14px no-repeat; }
.bff-col.repair { border-top-color: var(--success); background: linear-gradient(180deg, #f1fbf6, #fff 40%); }
.bff-col.repair li::before { background-color: var(--success); }
.bff-col.replace { border-top-color: var(--call); background: linear-gradient(180deg, #fff5ec, #fff 40%); }
.bff-col.replace li::before { background-color: var(--call); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 6v8M12 18h.01'/%3E%3C/svg%3E"); }
.bff-col.neutral.b { border-top-color: var(--call); }

/* ---------- process ---------- */
.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; counter-reset: step; position: relative; }
.process-step { padding: 34px 26px 28px; counter-increment: step; }
.process-step::before { content: counter(step); display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 18px; color: #fff; background: linear-gradient(145deg, #ff8238, var(--call-dark)); border-radius: 16px; font-family: var(--display); font-size: 1.5rem; font-weight: 800; box-shadow: 0 10px 20px rgba(242, 106, 27, .35); transition: transform .45s var(--ease); }
.process-step:hover::before { transform: rotate(-8deg) scale(1.1); }
.process-step:not(:last-child)::after { content: ""; position: absolute; top: 59px; left: calc(100% - 4px); z-index: 2; width: 30px; height: 3px; background: repeating-linear-gradient(90deg, var(--navy-soft) 0 6px, transparent 6px 11px); }
.process-step h3 { margin-bottom: 8px; }
.process-step p { color: var(--muted); font-size: 15.5px; }

/* ---------- story (made-up example) ---------- */
.story-section { color: #fff; background: radial-gradient(700px 360px at 8% 0, rgba(242, 106, 27, .22), transparent 70%), linear-gradient(160deg, var(--navy-deep), var(--navy-ink)); overflow: hidden; }
.bff-story-wrap { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.bff-story-intro { display: grid; gap: 18px; justify-items: start; }
.bff-story-intro h2 { color: #fff; }
.bff-story-intro p { color: #b4cce0; font-style: italic; }
.bff-story { padding: 30px; color: var(--ink); background: #fff; border-radius: 26px; box-shadow: 0 30px 70px rgba(0, 0, 0, .35); }
.bff-story-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 22px; }
.bff-story h3 { font-size: 1.35rem; }
.bff-story .tag { padding: 5px 14px; color: var(--gold-text); background: #fff0cc; border-radius: 999px; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; white-space: nowrap; }
.bff-story ol { position: relative; display: grid; gap: 14px; margin-left: 12px; padding-left: 30px; list-style: none; border-left: 3px dashed #c4d9ea; }
.bff-story li { position: relative; color: var(--ink); font-size: 16px; line-height: 1.5; transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i, 0) * 110ms + .2s); }
.bff-story li::before { content: ""; position: absolute; left: -41px; top: 4px; width: 16px; height: 16px; background: var(--navy-soft); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 2px var(--navy-soft); }
.bff-story li.worry { padding: 10px 14px; margin-left: -4px; color: var(--alert); background: var(--alert-soft); border-radius: 12px; font-weight: 700; }
.bff-story li.worry::before { left: -37px; background: var(--alert); box-shadow: 0 0 0 2px var(--alert); }
.bff-story li.end { padding: 10px 14px; margin-left: -4px; color: var(--success); background: var(--success-soft); border-radius: 12px; font-weight: 800; }
.bff-story li.end::before { left: -37px; background: var(--success); box-shadow: 0 0 0 2px var(--success); }
html.js .bff-story:not(.in) li { opacity: 0; transform: translateX(-16px); }

/* ---------- FAQ ---------- */
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 40px; align-items: start; }
.accordion { display: grid; gap: 14px; }
.accordion details { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-soft); transition: border-color .3s, box-shadow .3s; }
.accordion details:hover { border-color: var(--accent); }
.accordion details[open] { border-color: var(--call); box-shadow: var(--shadow-lift); }
.accordion summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 22px; color: var(--navy); font-family: var(--display); font-size: 1.12rem; font-weight: 700; line-height: 1.3; cursor: pointer; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; flex: none; width: 34px; height: 34px; background: var(--soft); border-radius: 50%; transition: background .3s, transform .4s var(--ease); }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 2.5px; margin: -1.25px 0 0 -7px; background: var(--navy); border-radius: 2px; transition: transform .35s var(--ease), background .3s; }
.accordion summary span::after { transform: rotate(90deg); }
.accordion details[open] summary span { background: var(--call); transform: rotate(180deg); }
.accordion details[open] summary span::before, .accordion details[open] summary span::after { background: #fff; }
.accordion details[open] summary span::after { transform: rotate(0); }
.answer { padding: 0 22px 22px; }
.answer .chunks { gap: 10px; }
.answer p { color: var(--muted); max-width: 66ch; }
.answer strong { color: var(--navy); }
.faq-aside { position: sticky; top: calc(var(--nav-h) + 30px); }
.bff-callcard { position: relative; overflow: hidden; padding: 34px 30px; color: #fff; text-align: center; background: radial-gradient(300px 200px at 100% 0, rgba(242, 106, 27, .4), transparent 70%), linear-gradient(160deg, var(--navy-soft), var(--navy-deep)); border-radius: 26px; box-shadow: var(--shadow); display: grid; gap: 14px; justify-items: center; }
.bff-callcard .eyebrow { color: var(--gold); }
.bff-callcard h2 { color: #fff; font-size: 1.8rem; }
.bff-callcard p { color: #cfe0ee; }
.bff-callcard .num { font-family: var(--display); font-size: 2rem; font-weight: 800; color: #fff; letter-spacing: -.01em; }
.bff-callcard .btn { width: 100%; animation: ringpulse 2.8s ease-out infinite; }

/* ---------- contact banner ---------- */
.contact-banner { position: relative; overflow: hidden; isolation: isolate; padding: clamp(76px, 9vw, 120px) 0; color: #fff; background: var(--navy-ink); }
.contact-banner > img { position: absolute; inset: 0; z-index: -2; height: 100%; object-fit: cover; opacity: .5; }
.contact-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(105deg, rgba(6, 31, 51, .96), rgba(8, 42, 69, .72)); }
.contact-banner-inner { max-width: 760px; display: grid; gap: 20px; justify-items: start; }
.contact-banner h2 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.4rem); font-weight: 800; letter-spacing: -.025em; }
.contact-banner .eyebrow { color: var(--gold); }
.contact-banner p { color: #d3e3f0; }
.contact-banner-inner > p { font-size: 1.1rem; max-width: 62ch; }
.contact-banner .chunks { gap: 10px; }
.bff-nap { display: grid; gap: 14px; width: 100%; margin-top: 18px; padding: 24px 26px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .2); border-radius: var(--radius); backdrop-filter: blur(10px); }
.bff-nap address { line-height: 1.8; color: #e5f0f9; }
.bff-nap address b { color: #fff; font-family: var(--display); font-size: 1.15rem; }
.bff-nap a { color: var(--gold); font-weight: 700; }
.bff-nap > p { font-size: 13.5px; color: #b4cce0; }

/* ---------- footer ---------- */
.footer { color: #a9c2d6; background: var(--navy-ink); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding: 72px 0 52px; }
.footer .brand-copy strong { color: #fff; }
.footer-about { display: grid; gap: 16px; align-content: start; justify-items: start; }
.footer h3 { margin-bottom: 14px; color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .12em; }
.footer-links { display: grid; gap: 9px; }
.footer-links a, .footer-links span { color: #a9c2d6; font-size: 15px; transition: color .2s, transform .25s var(--ease); }
.footer-links a { display: inline-block; }
.footer-links a:hover { color: var(--gold); transform: translateX(5px); }
.footer-social { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-social a { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; color: #fff; background: rgba(255, 255, 255, .08); border-radius: 999px; font-size: 13.5px; font-weight: 700; transition: background .25s, transform .25s var(--ease); }
.footer-social a:hover { background: var(--call); transform: translateY(-3px); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 24px 0 30px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13.5px; }

/* ---------- reveal on scroll ---------- */
html.js .rv { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
html.js .rv.in { opacity: 1; transform: none; }
html.js .rv.in.card-done { transition-delay: 0s; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-step::after { display: none; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-aside { position: static; }
  .hero-badges { display: none; }
}
@media (max-width: 1020px) {
  .topbar-item:nth-child(n+2) { display: none; }
  .topbar-inner { justify-content: center; }
  .nav-toggle { display: grid; }
  .nav-links { position: fixed; inset: calc(var(--topbar-h) + var(--nav-h)) 0 0 0; z-index: 70; display: none; flex-direction: column; align-items: stretch; gap: 4px; padding: 18px 20px 40px; overflow-y: auto; background: #fff; }
  body.is-scrolled .nav-links { inset-block-start: 64px; }
  .nav-links.open { display: flex; animation: menuin .35s var(--ease); }
  @keyframes menuin { from { opacity: 0; transform: translateY(-12px); } }
  .nav-links > a:not(.btn), .nav-dropdown-trigger > a { padding: 14px 16px; font-size: 17px; border-radius: 14px; }
  .nav-dropdown-trigger { justify-content: space-between; }
  .nav-dropdown-trigger > a { flex: 1; }
  .nav-dropdown-toggle { width: 44px; height: 44px; margin: 0; background: var(--soft); }
  .nav-dropdown-panel { position: static; display: none; width: auto; margin: 6px 0 10px; box-shadow: none; opacity: 1; visibility: visible; transform: none; background: var(--paper); }
  .nav-dropdown.is-open .nav-dropdown-panel { display: block; }
  .nav-links .btn { margin: 12px 0 0; min-height: 58px; }
  .bff-stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-heading { grid-template-columns: 1fr; }
  .bff-split, .bff-story-wrap { grid-template-columns: 1fr; }
  .bff-split-visual { position: static; }
}
@media (max-width: 760px) {
  body { font-size: 16px; padding-bottom: 84px; }
  .shell { width: min(var(--max), calc(100% - 32px)); }
  .hero { padding-bottom: 130px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .bff-stats { margin-top: -80px; }
  .bff-stats-grid { grid-template-columns: 1fr; padding: 8px; border-radius: 22px; }
  .bff-checks, .bff-compare, .bff-two, .bff-parts.cols-2 { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; padding-top: 52px; }
  .sticky-call { left: max(14px, env(safe-area-inset-left)); right: max(14px, env(safe-area-inset-right)); justify-content: center; min-height: 58px; font-size: 16.5px; }
  .to-top { bottom: 90px; left: auto; right: 16px; width: 42px; height: 42px; }
  .bff-story { padding: 22px; }
  .bff-story-top { flex-direction: column; align-items: flex-start; }
  .bff-flow .call-row .btn, .section-actions .btn { width: 100%; }
  /* stacked data tables */
  .bff-table { display: block; }
  .bff-table thead { display: none; }
  .bff-table tbody, .bff-table tr { display: block; }
  .bff-table tr { margin: 14px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; }
  .bff-table tbody tr + tr > * { border-top: 0; }
  .bff-table tbody th { display: block; min-width: 0; padding: 12px 16px; color: #fff; background: var(--navy); }
  .bff-table td { display: flex; justify-content: space-between; gap: 16px; padding: 11px 16px; border-top: 1px solid var(--line) !important; }
  .bff-table td::before { content: attr(data-label); flex: none; max-width: 45%; color: var(--navy); font-weight: 800; font-size: 13.5px; }
  .bff-table td > * { text-align: right; }
  table.bff-table td { text-align: right; }
  .table-wrap:has(.bff-table) { background: transparent; border: 0; box-shadow: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  html.js .rv { opacity: 1; transform: none; }
}
@media print {
  html.js .rv { opacity: 1 !important; transform: none !important; }
  .sticky-call, .to-top, .scroll-progress, .ember { display: none !important; }
}