/* ═══════════════════════════════════════════════════════
 COLOR TOKENS — switched via body[data-palette] attribute
 ═══════════════════════════════════════════════════════ */

 /* PALETTE A — SKY MONO (blue only, NO black) */
 body[data-palette="a"] {
 --bg: #FFFFFF;
 --bg-soft: #F0F9FF;
 --bg-medium: #E0F2FE;
 --tint: #BAE6FD;
 --brand: #0EA5E9;
 --brand-deep: #0369A1;
 --brand-darker: #075985;
 --ink: #0C4A6E; /* text — deep blue, NOT black */
 --ink-soft: #1E40AF;
 --muted: #475569; /* slate-blue, not neutral gray */
 --line: #BAE6FD;
 --hover-bg: #F0F9FF;
 --inverse-bg: #0C4A6E; /* "dark" sections use deep blue, not black */
 --inverse-text: #F0F9FF;
 --inverse-muted:#7DD3FC;
 --inverse-accent:#7DD3FC;
 }

 /* PALETTE B — RED MONO (red + white + light gray, NO black) */
 body[data-palette="b"] {
 --bg: #FFFFFF;
 --bg-soft: #FAFAFA;
 --bg-medium: #F4F4F5;
 --tint: #FEE2E2;
 --brand: #DC2626;
 --brand-deep: #991B1B;
 --brand-darker: #7F1D1D;
 --ink: #450A0A; /* text — rosewood, NOT black */
 --ink-soft: #7F1D1D;
 --muted: #A1A1AA;
 --line: #E5E5E5;
 --hover-bg: #FAFAFA;
 --inverse-bg: #450A0A; /* "dark" sections use rosewood, not black */
 --inverse-text: #FAFAFA;
 --inverse-muted:#FCA5A5;
 --inverse-accent:#FCA5A5;
 }

 /* ═══════════════════════════════════════════════════════
 BASE
 ═══════════════════════════════════════════════════════ */

 :root {
 --section-y: clamp(64px, 8.5vw, 110px);
 --container-x: clamp(20px, 5vw, 56px);
 --type-display: clamp(2.75rem, 9vw, 8rem);
 --type-section: clamp(2rem, 5.5vw, 4.5rem);
 --ease-lux: cubic-bezier(0.16, 1, 0.3, 1);
 }

 * { box-sizing: border-box; }
 html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
 body {
 font-family: 'Inter', system-ui, sans-serif;
 color: var(--ink);
 background: var(--bg);
 -webkit-font-smoothing: antialiased;
 text-rendering: optimizeLegibility;
 overflow-x: hidden;
 transition: background 600ms var(--ease-lux), color 600ms var(--ease-lux);
 }

 /* Custom cursor disabled by user request */
.cursor-outer,.cursor-inner { display: none !important; }

 ::selection { background: var(--brand); color: #FFFFFF; }

 /* Fraunces — premium variable font with SOFT axis for premium feel */
.font-serif {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
 }
 h1, h2, h3, h4,.display-1,.display-2 {
 font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
 letter-spacing: -0.03em;
 }
.display-italic {
 font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
 letter-spacing: -0.02em;
 }

 /* ═══════════════════════════════════════════════════════
 TYPOGRAPHY — driven by skill: "Playfair + Inter, editorial"
 ═══════════════════════════════════════════════════════ */

 h1, h2, h3, h4 { color: var(--ink); }
.display-1 {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-weight: 700;
 font-size: var(--type-display);
 line-height: 0.94;
 letter-spacing: -0.028em;
 color: var(--ink);
 }
.display-2 {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-weight: 700;
 font-size: var(--type-section);
 line-height: 1.02;
 letter-spacing: -0.022em;
 color: var(--ink);
 }
.display-italic { font-style: italic; font-weight: 500; color: var(--brand); }
.display-italic-soft { font-style: italic; font-weight: 500; color: var(--brand-deep); }

.eyebrow {
 font-family: 'Inter', system-ui, sans-serif;
 font-size: 12px;
 font-weight: 600;
 text-transform: uppercase;
 letter-spacing: 0.24em;
 color: var(--brand-deep);
 }
/* Readability: any eyebrow/caption placed over an image stays light */
figcaption .eyebrow { color: rgba(255,255,255,0.85) !important; }

.lead {
 font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
 line-height: 1.65;
 color: var(--muted);
 }

 /* Drop cap */
.dropcap::first-letter {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-weight: 700;
 font-style: italic;
 float: left;
 font-size: 4.75em;
 line-height: 0.88;
 padding-right: 0.26em;
 padding-bottom: 0.04em;
 margin-top: 0.10em;
 color: var(--brand);
 }

 /* ═══════════════════════════════════════════════════════
 SCROLL PROGRESS BAR (top)
 ═══════════════════════════════════════════════════════ */

.scroll-progress {
 position: fixed;
 top: 0;
 left: 0;
 height: 2px;
 background: var(--brand);
 width: 0%;
 z-index: 100;
 transition: width 100ms linear;
 }

 /* ═══════════════════════════════════════════════════════
 CUSTOM CURSOR (desktop only)
 ═══════════════════════════════════════════════════════ */

.cursor-outer,
.cursor-inner {
 position: fixed;
 top: 0;
 left: 0;
 pointer-events: none;
 z-index: 9999;
 border-radius: 50%;
 mix-blend-mode: difference;
 }
.cursor-outer {
 width: 36px;
 height: 36px;
 border: 1px solid var(--brand);
 transform: translate(-50%, -50%);
 transition: transform 500ms var(--ease-lux), border-color 400ms var(--ease-lux), background 400ms var(--ease-lux);
 }
.cursor-inner {
 width: 6px;
 height: 6px;
 background: var(--brand);
 transform: translate(-50%, -50%);
 transition: transform 200ms linear;
 }
 body.cursor-grow.cursor-outer { transform: translate(-50%, -50%) scale(1.8); background: var(--brand); border-color: var(--brand); opacity: 0.25; }
 body.cursor-grow.cursor-inner { transform: translate(-50%, -50%) scale(0); }

 @media (max-width: 1024px), (pointer: coarse) {
.cursor-outer,.cursor-inner { display: none; }
 }

 /* ═══════════════════════════════════════════════════════
 PALETTE TOGGLE (top-right floating pill)
 ═══════════════════════════════════════════════════════ */

.palette-toggle {
 position: fixed;
 top: 16px;
 right: 16px;
 z-index: 60;
 background: var(--bg);
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 6px;
 display: flex;
 align-items: center;
 gap: 4px;
 box-shadow: 0 12px 32px -8px rgba(12, 74, 110, 0.18);
 transition: all 500ms var(--ease-lux);
 }
.palette-toggle button {
 background: transparent;
 border: none;
 color: var(--muted);
 font-family: 'Inter', system-ui, sans-serif;
 font-size: 11px;
 font-weight: 600;
 text-transform: uppercase;
 letter-spacing: 0.12em;
 padding: 8px 14px;
 border-radius: 999px;
 cursor: pointer;
 transition: all 400ms var(--ease-lux);
 }
.palette-toggle button.active {
 background: var(--brand);
 color: #FFFFFF;
 }
.palette-toggle .label-sm { font-size: 9px; opacity: 0.55; letter-spacing: 0.24em; padding: 0 8px 0 12px; }

 /* ═══════════════════════════════════════════════════════
 NAV
 ═══════════════════════════════════════════════════════ */

.nav {
 position: sticky;
 top: 0;
 z-index: 50;
 background: color-mix(in srgb, var(--bg) 88%, transparent);
 backdrop-filter: blur(20px) saturate(180%);
 -webkit-backdrop-filter: blur(20px) saturate(180%);
 border-bottom: 1px solid transparent;
 transition: border-color 400ms var(--ease-lux), background 400ms var(--ease-lux);
 }
.nav.scrolled { border-bottom-color: var(--line); }

 /* Sticky Trust Bar — appears after user scrolls past hero */
.trust-bar {
 position: fixed;
 top: 72px;
 left: 0;
 right: 0;
 z-index: 49;
 background: color-mix(in srgb, var(--bg) 92%, transparent);
 backdrop-filter: blur(20px) saturate(180%);
 -webkit-backdrop-filter: blur(20px) saturate(180%);
 border-bottom: 1px solid var(--line);
 padding: 10px 0;
 transform: translateY(-100%);
 opacity: 0;
 transition: transform 600ms var(--ease-lux), opacity 500ms var(--ease-lux);
 pointer-events: none;
 }
 @media (min-width: 768px) {.trust-bar { top: 88px; } }
.trust-bar.visible {
 transform: translateY(0);
 opacity: 1;
 pointer-events: auto;
 }
.trust-bar-inner {
 max-width: 1320px;
 margin: 0 auto;
 padding: 0 var(--container-x);
 display: flex;
 align-items: center;
 justify-content: center;
 gap: 16px;
 font-size: 11px;
 font-weight: 600;
 letter-spacing: 0.12em;
 text-transform: uppercase;
 color: var(--muted);
 white-space: nowrap;
 overflow-x: auto;
 scrollbar-width: none;
 }
.trust-bar-inner::-webkit-scrollbar { display: none; }
.trust-bar-inner .tb-divider { width: 4px; height: 4px; border-radius: 50%; background: var(--brand); flex-shrink: 0; }
.trust-bar-inner .tb-item { display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0; }
.trust-bar-inner .tb-item strong { color: var(--ink); font-weight: 700; }
.trust-bar-inner .tb-star { color: var(--brand); }

 /* ═══════════════════════════════════════════════════════
 PREMIUM EDITORIAL NAV — Aesop / RH-inspired
 ═══════════════════════════════════════════════════════ */
.nav-premium {
 display: flex;
 align-items: center;
 gap: clamp(28px, 3vw, 44px);
 }
.nav-link {
 position: relative;
 display: inline-flex;
 flex-direction: column;
 align-items: center;
 gap: 3px;
 padding: 8px 2px;
 font-family: 'Inter', system-ui, sans-serif;
 font-size: 11px;
 font-weight: 500;
 letter-spacing: 0.22em;
 text-transform: uppercase;
 color: var(--muted);
 transition: color 600ms var(--ease-lux), letter-spacing 600ms var(--ease-lux);
 white-space: nowrap;
 }
 /* Italic editorial number prefix — tiny, elegant */
.nav-link::before {
 content: attr(data-num);
 font-family: 'Fraunces', Georgia, serif;
 font-style: italic;
 font-weight: 400;
 font-size: 9px;
 letter-spacing: 0;
 text-transform: none;
 color: var(--brand);
 opacity: 0;
 transform: translateY(4px);
 transition: opacity 500ms var(--ease-lux), transform 500ms var(--ease-lux);
 font-variation-settings: "opsz" 24, "SOFT" 30, "WONK" 0;
 }
 /* Animated underline that draws on hover */
.nav-link::after {
 content: '';
 position: absolute;
 left: 50%;
 bottom: -2px;
 height: 1px;
 width: 0;
 background: var(--brand);
 transition: width 700ms var(--ease-lux), left 700ms var(--ease-lux);
 }
.nav-link:hover {
 color: var(--ink);
 letter-spacing: 0.26em;
 }
.nav-link:hover::before {
 opacity: 1;
 transform: translateY(0);
 }
.nav-link:hover::after {
 width: 100%;
 left: 0;
 }
 /* Subtle dot separator between nav items */
.nav-premium >.nav-link +.nav-link::before {
 /* keep number prefix override per item */
 }

 /* ═══════════════════════════════════════════════════════
 MAGNETIC BUTTONS — JS-driven (style: Liquid Glass curves)
 ═══════════════════════════════════════════════════════ */

.btn-mag {
 display: inline-flex;
 align-items: center;
 gap: 12px;
 padding: 18px 32px;
 font-family: 'Inter', system-ui, sans-serif;
 font-weight: 600;
 font-size: 13px;
 letter-spacing: 0.06em;
 text-transform: uppercase;
 background: var(--brand);
 color: #FFFFFF;
 border: 1px solid var(--brand);
 border-radius: 999px;
 cursor: pointer;
 transition: background 500ms var(--ease-lux), border-color 500ms var(--ease-lux), box-shadow 500ms var(--ease-lux);
 will-change: transform;
 position: relative;
 }
.btn-mag:hover { background: var(--brand-deep); border-color: var(--brand-deep); box-shadow: 0 24px 48px -16px color-mix(in srgb, var(--brand) 55%, transparent); }

.btn-mag-outline {
 display: inline-flex;
 align-items: center;
 gap: 12px;
 padding: 18px 32px;
 font-family: 'Inter', system-ui, sans-serif;
 font-weight: 600;
 font-size: 13px;
 letter-spacing: 0.06em;
 text-transform: uppercase;
 background: transparent;
 color: var(--ink);
 border: 1px solid var(--ink);
 border-radius: 999px;
 cursor: pointer;
 transition: all 500ms var(--ease-lux);
 will-change: transform;
 }
.btn-mag-outline:hover { background: var(--ink); color: #FFFFFF; }

 /* On inverse (deep blue / rosewood) sections, buttons flip */
.inverse .btn-mag-outline { color: var(--inverse-text); border-color: var(--inverse-text); }
.inverse .btn-mag-outline:hover { background: var(--inverse-text); color: var(--ink); }

 /* ═══════════════════════════════════════════════════════
 HERO — CINEMATIC SPLIT (typography + video card)
 Inspired by blessedchimney motion drama, adapted for air ducts
 ═══════════════════════════════════════════════════════ */

.hero {
 position: relative;
 overflow: hidden;
 min-height: clamp(720px, 100vh, 1040px);
 background: var(--inverse-bg);
 color: var(--inverse-text);
 }

 /* Full-bleed background video — real California air duct cleaning footage */
.hero-bg-video {
 position: absolute;
 inset: 0;
 width: 100%;
 height: 100%;
 object-fit: cover;
 object-position: center;
 z-index: 0;
 filter: brightness(1.05) contrast(1.18) saturate(1.12);
 transform: scale(1.02);
 will-change: transform;
 }

 /* Lighter overlay — video stays visible, text still readable */
.hero-base {
 position: absolute;
 inset: 0;
 z-index: 1;
 background:
 linear-gradient(to top right,
 color-mix(in srgb, var(--inverse-bg) 72%, transparent) 0%,
 color-mix(in srgb, var(--inverse-bg) 35%, transparent) 55%,
 color-mix(in srgb, var(--inverse-bg) 8%, transparent) 100%),
 radial-gradient(80% 60% at 15% 100%, color-mix(in srgb, var(--inverse-bg) 35%, transparent), transparent 70%);
 }

 /* Volumetric light beams — diagonal rays */
.hero-rays {
 position: absolute;
 inset: -20% -10%;
 background:
 linear-gradient(115deg, transparent 32%, color-mix(in srgb, var(--brand) 18%, transparent) 38%, transparent 44%),
 linear-gradient(110deg, transparent 50%, color-mix(in srgb, var(--brand) 10%, transparent) 56%, transparent 60%);
 mix-blend-mode: screen;
 opacity: 0.7;
 pointer-events: none;
 animation: rayDrift 18s ease-in-out infinite alternate;
 }
 @keyframes rayDrift {
 0% { transform: translate3d(-2%, 0, 0) rotate(0.4deg); }
 100% { transform: translate3d(2%, 1%, 0) rotate(-0.4deg); }
 }

 /* SVG airflow paths */
.hero-airflow {
 position: absolute;
 inset: 0;
 width: 100%;
 height: 100%;
 pointer-events: none;
 opacity: 0.45;
 }
.airflow-path {
 fill: none;
 stroke: var(--inverse-accent);
 stroke-width: 1.2;
 stroke-linecap: round;
 stroke-dasharray: 6 12;
 animation: dash 9s linear infinite;
 }
.airflow-path-2 { animation-duration: 13s; animation-delay: -2s; stroke-dasharray: 4 18; opacity: 0.6; }
.airflow-path-3 { animation-duration: 17s; animation-delay: -5s; stroke-dasharray: 2 22; opacity: 0.4; }
 @keyframes dash { to { stroke-dashoffset: -200; } }

 /* DUST PARTICLES — heavy and chaotic, like real cleaning */
.dust-field {
 position: absolute;
 inset: 0;
 pointer-events: none;
 overflow: hidden;
 }
.dust {
 position: absolute;
 border-radius: 50%;
 background: var(--inverse-accent);
 opacity: 0;
 filter: blur(0.6px);
 animation: dustFly linear infinite;
 will-change: transform, opacity;
 }
.dust.sm { width: 2px; height: 2px; }
.dust.md { width: 4px; height: 4px; filter: blur(1px); }
.dust.lg { width: 7px; height: 7px; filter: blur(1.6px); }
.dust.xl { width: 11px; height: 11px; filter: blur(2.4px); opacity: 0; }
.dust.swirl { animation-name: dustSwirl; }
.dust.fall { animation-name: dustFall; }
 @keyframes dustFly {
 0% { transform: translate(0, 100vh) rotate(0deg); opacity: 0; }
 8% { opacity: 0.85; }
 50% { transform: translate(40px, 40vh) rotate(180deg); opacity: 0.55; }
 100% { transform: translate(80px, -20vh) rotate(360deg); opacity: 0; }
 }
 @keyframes dustSwirl {
 0% { transform: translate(0, 100vh); opacity: 0; }
 10% { opacity: 0.8; }
 25% { transform: translate(60px, 70vh); }
 50% { transform: translate(-40px, 40vh); opacity: 0.6; }
 75% { transform: translate(80px, 15vh); }
 100% { transform: translate(0, -20vh); opacity: 0; }
 }
 @keyframes dustFall {
 0% { transform: translate(0, -10vh) rotate(0deg); opacity: 0; }
 8% { opacity: 0.7; }
 50% { transform: translate(20px, 50vh) rotate(180deg); opacity: 0.5; }
 100% { transform: translate(40px, 110vh) rotate(360deg); opacity: 0; }
 }

 /* Video card — vertical, framed, premium */
.hero-video-wrap {
 position: relative;
 border-radius: 24px;
 overflow: hidden;
 box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.55), 0 0 0 1px color-mix(in srgb, var(--inverse-accent) 25%, transparent);
 aspect-ratio: 4 / 5;
 background: black;
 }
.hero-video-wrap video {
 width: 100%;
 height: 100%;
 object-fit: cover;
 display: block;
 }
.hero-video-wrap::after {
 content: '';
 position: absolute;
 inset: 0;
 background:
 linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.45) 100%),
 radial-gradient(80% 60% at 80% 20%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 55%);
 pointer-events: none;
 }
.hero-video-label {
 position: absolute;
 left: 18px;
 top: 18px;
 z-index: 2;
 display: flex;
 align-items: center;
 gap: 8px;
 padding: 8px 14px 8px 10px;
 border-radius: 999px;
 background: color-mix(in srgb, var(--inverse-bg) 55%, transparent);
 backdrop-filter: blur(12px);
 -webkit-backdrop-filter: blur(12px);
 font-family: 'Inter', system-ui, sans-serif;
 font-size: 11px;
 font-weight: 600;
 text-transform: uppercase;
 letter-spacing: 0.18em;
 color: var(--inverse-text);
 border: 1px solid color-mix(in srgb, var(--inverse-text) 18%, transparent);
 }
.hero-video-label .rec-dot {
 width: 6px;
 height: 6px;
 border-radius: 50%;
 background: var(--brand);
 box-shadow: 0 0 12px var(--brand);
 animation: recPulse 1.4s ease-in-out infinite;
 }
 @keyframes recPulse {
 0%, 100% { opacity: 1; transform: scale(1); }
 50% { opacity: 0.5; transform: scale(1.3); }
 }
.hero-video-caption {
 position: absolute;
 bottom: 18px;
 left: 18px;
 right: 18px;
 z-index: 2;
 color: var(--inverse-text);
 }
.hero-video-caption .num {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-style: italic;
 color: var(--inverse-accent);
 font-size: 13px;
 display: block;
 margin-bottom: 4px;
 }
.hero-video-caption .ttl {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-weight: 600;
 font-size: clamp(1.125rem, 1.6vw, 1.4rem);
 line-height: 1.2;
 }

 /* Kinetic letter reveal */
.zip-card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 20px; padding: 26px; }
.zip-card h3 a:hover { color: var(--brand); }
.zip-card ul { list-style: none; padding: 0; margin: 0; font-size: 13px; line-height: 1.6; color: var(--muted); }
.zip-card li { padding: 6px 0; border-top: 1px solid var(--line); }
.hero-h1-sub { display: block; margin-top: 18px; font-family: 'Inter', system-ui, sans-serif; font-size: clamp(0.95rem, 1.6vw, 1.2rem); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; line-height: 1.4; color: var(--inverse-accent); font-style: normal; }
.kinetic-word { display: inline-block; overflow: hidden; vertical-align: top; }
.kinetic-letter {
 display: inline-block;
 transform: translateY(120%);
 opacity: 0;
 animation: kineticReveal 900ms var(--ease-lux) forwards;
 }
 @keyframes kineticReveal {
 to { transform: translateY(0); opacity: 1; }
 }

 /* ═══════════════════════════════════════════════════════
 MARQUEE STRIP
 ═══════════════════════════════════════════════════════ */

.marquee {
 overflow: hidden;
 white-space: nowrap;
 border-block: 1px solid var(--line);
 padding: 28px 0;
 background: var(--bg-soft);
 }
.marquee-track {
 display: inline-flex;
 gap: 64px;
 animation: marquee 40s linear infinite;
 will-change: transform;
 }
.marquee-item {
 display: inline-flex;
 align-items: center;
 gap: 64px;
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-style: italic;
 font-weight: 500;
 font-size: clamp(1.5rem, 3vw, 2.5rem);
 color: var(--ink);
 }
.marquee-item span:nth-child(even) {
 color: var(--brand);
 font-style: normal;
 font-family: 'Inter', system-ui, sans-serif;
 font-weight: 700;
 font-size: 0.6em;
 text-transform: uppercase;
 letter-spacing: 0.32em;
 }
 @keyframes marquee {
 from { transform: translateX(0); }
 to { transform: translateX(-50%); }
 }

 /* ═══════════════════════════════════════════════════════
 BENTO GRID 
 ═══════════════════════════════════════════════════════ */

.bento {
 display: grid;
 grid-template-columns: 1fr;
 gap: 16px;
 }
 @media (min-width: 768px) {
.bento {
 grid-template-columns: repeat(12, 1fr);
 grid-auto-rows: minmax(220px, auto);
 gap: 16px;
 }
.bento-tile-1 { grid-column: span 8; grid-row: span 2; }
.bento-tile-2 { grid-column: span 4; }
.bento-tile-3 { grid-column: span 4; }
.bento-tile-4 { grid-column: span 3; }
.bento-tile-5 { grid-column: span 3; }
.bento-tile-6 { grid-column: span 3; }
.bento-tile-7 { grid-column: span 3; }
 }

.tile {
 position: relative;
 background: var(--bg-soft);
 border: 1px solid var(--line);
 border-radius: 24px;
 overflow: hidden;
 cursor: pointer;
 transition: all 600ms var(--ease-lux);
 display: flex;
 flex-direction: column;
 }
.tile >.tile-img-wrap {
 overflow: hidden;
 aspect-ratio: 16 / 10;
 background: var(--inverse-bg);
 flex-shrink: 0;
 }
.tile >.tile-img-wrap img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 display: block;
 transition: transform 1400ms var(--ease-lux);
 }
.tile:hover >.tile-img-wrap img { transform: scale(1.06); }
.tile >.tile-content {
 padding: 28px 28px 32px;
 flex: 1;
 display: flex;
 flex-direction: column;
 }
.tile:hover {
 background: var(--bg);
 border-color: var(--brand);
 transform: translateY(-4px);
 box-shadow: 0 24px 48px -16px color-mix(in srgb, var(--brand) 25%, transparent);
 }

.tile-feature {
 background: var(--inverse-bg);
 color: var(--inverse-text);
 border-color: var(--inverse-bg);
 background-image:
 linear-gradient(115deg, color-mix(in srgb, var(--inverse-bg) 90%, transparent) 0%, color-mix(in srgb, var(--inverse-bg) 70%, transparent) 55%, color-mix(in srgb, var(--inverse-bg) 50%, transparent) 100%),
 url('/images/negative-air-machine-cleaning-california.jpg');
 background-size: cover;
 background-position: center;
 }
.tile-feature >.tile-content { padding: 36px 36px 40px; }
.tile-feature h3 { color: var(--inverse-text); }
.tile-feature .lead-tile { color: var(--inverse-muted); }
.tile-feature:hover {
 background-image:
 linear-gradient(115deg, color-mix(in srgb, var(--inverse-bg) 85%, transparent) 0%, color-mix(in srgb, var(--inverse-bg) 65%, transparent) 55%, color-mix(in srgb, var(--inverse-bg) 45%, transparent) 100%),
 url('/images/negative-air-machine-cleaning-california.jpg');
 }

.tile-num {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-style: italic;
 font-size: 14px;
 color: var(--brand);
 margin-bottom: 24px;
 display: block;
 }
.tile-feature .tile-num { color: var(--inverse-accent); }

.tile h3 {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-weight: 700;
 font-size: clamp(1.5rem, 2.5vw, 2rem);
 line-height: 1.1;
 letter-spacing: -0.02em;
 margin-bottom: 14px;
 }
.lead-tile {
 color: var(--muted);
 font-size: 15px;
 line-height: 1.6;
 }

 /* Tile decorative shape */
.tile-shape {
 position: absolute;
 top: 24px;
 right: 24px;
 width: 36px;
 height: 36px;
 border: 1px solid var(--line);
 border-radius: 50%;
 transition: all 600ms var(--ease-lux);
 }
.tile:hover.tile-shape { transform: rotate(45deg) scale(1.2); border-color: var(--brand); }
.tile-feature .tile-shape { border-color: var(--inverse-muted); }
.tile-feature:hover.tile-shape { border-color: var(--inverse-accent); }

 /* ═══════════════════════════════════════════════════════
 REVEAL ANIMATIONS 
 ═══════════════════════════════════════════════════════ */

.reveal { opacity: 0; transform: translateY(32px); transition: opacity 900ms var(--ease-lux), transform 900ms var(--ease-lux); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 100ms; }
.reveal-d2 { transition-delay: 220ms; }
.reveal-d3 { transition-delay: 340ms; }
.reveal-d4 { transition-delay: 460ms; }

 /* Image reveal with clip-path */
.img-mask { clip-path: inset(0 100% 0 0); transition: clip-path 1400ms cubic-bezier(0.77, 0, 0.175, 1); }
.img-mask.is-visible { clip-path: inset(0 0 0 0); }

 /* ═══════════════════════════════════════════════════════
 FAQ ACCORDION
 ═══════════════════════════════════════════════════════ */

.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
 cursor: pointer;
 padding: 32px 0;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 transition: color 400ms var(--ease-lux);
 }
.faq-q:hover h3 { color: var(--brand); }
.faq-icon {
 transition: transform 600ms var(--ease-lux);
 flex-shrink: 0;
 width: 40px;
 height: 40px;
 border: 1px solid var(--line);
 border-radius: 50%;
 display: grid;
 place-items: center;
 }
.faq-item.is-open.faq-icon { transform: rotate(45deg); background: var(--brand); border-color: var(--brand); color: #FFFFFF; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 700ms var(--ease-lux); }
.faq-item.is-open.faq-a { max-height: 400px; }

 /* ═══════════════════════════════════════════════════════
 STICKY MOBILE CTA
 ═══════════════════════════════════════════════════════ */

.mobile-cta {
 box-shadow: 0 -16px 32px -16px color-mix(in srgb, var(--ink) 20%, transparent);
 }

 /* ═══════════════════════════════════════════════════════
 CARD: TESTIMONIAL PULLQUOTE
 ═══════════════════════════════════════════════════════ */

.pullquote {
 font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
 font-style: italic;
 font-weight: 500;
 font-size: clamp(1.625rem, 3.5vw, 2.75rem);
 line-height: 1.22;
 letter-spacing: -0.012em;
 color: var(--inverse-text);
 }

 /* ═══════════════════════════════════════════════════════
 LEAD FORM
 ═══════════════════════════════════════════════════════ */

.form-card {
 background: var(--bg);
 border: 1px solid var(--line);
 border-radius: 24px;
 padding: clamp(28px, 4vw, 48px);
 box-shadow: 0 40px 80px -30px color-mix(in srgb, var(--ink) 18%, transparent);
 }
.form-field { position: relative; margin-bottom: 18px; }
.form-label {
 display: block;
 font-family: 'Inter', system-ui, sans-serif;
 font-size: 11px;
 font-weight: 600;
 text-transform: uppercase;
 letter-spacing: 0.18em;
 color: var(--muted);
 margin-bottom: 8px;
 }
.form-input,.form-select {
 width: 100%;
 background: var(--bg-soft);
 border: 1px solid var(--line);
 border-radius: 14px;
 padding: 16px 18px;
 font-family: 'Inter', system-ui, sans-serif;
 font-size: 15px;
 color: var(--ink);
 transition: border-color 400ms var(--ease-lux), background 400ms var(--ease-lux), box-shadow 400ms var(--ease-lux);
 -webkit-appearance: none;
 appearance: none;
 }
.form-input::placeholder { color: var(--muted); opacity: 0.7; }
.form-input:focus,.form-select:focus {
 outline: none;
 border-color: var(--brand);
 background: var(--bg);
 box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 12%, transparent);
 }
.form-select {
 background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%230C4A6E' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
 background-repeat: no-repeat;
 background-position: right 18px center;
 padding-right: 44px;
 cursor: pointer;
 }
.form-submit {
 width: 100%;
 background: var(--brand);
 color: #FFFFFF;
 border: 1px solid var(--brand);
 border-radius: 14px;
 padding: 18px 24px;
 font-family: 'Inter', system-ui, sans-serif;
 font-weight: 600;
 font-size: 14px;
 letter-spacing: 0.06em;
 text-transform: uppercase;
 cursor: pointer;
 margin-top: 8px;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 12px;
 transition: all 500ms var(--ease-lux);
 }
.form-submit:hover {
 background: var(--brand-deep);
 border-color: var(--brand-deep);
 transform: translateY(-2px);
 box-shadow: 0 24px 48px -16px color-mix(in srgb, var(--brand) 55%, transparent);
 }

 /* ═══════════════════════════════════════════════════════
 REDUCED MOTION
 ═══════════════════════════════════════════════════════ */

 @media (prefers-reduced-motion: reduce) {
 *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 200ms !important; animation-iteration-count: 1 !important; }
.hero-blob { animation: none; }
.marquee-track { animation: none; }
.reveal { opacity: 1; transform: none; }
.img-mask { clip-path: inset(0 0 0 0); }
.kinetic-letter { transform: none; opacity: 1; animation: none; }
 }

 /* Mobile body padding for sticky CTA */
 @media (max-width: 767px) {
 body { padding-bottom: 76px; }
 }

.logo-link { display: inline-flex; align-items: center; transition: opacity 400ms var(--ease-lux); }
.logo-link:hover { opacity: 0.85; }
.logo-img { display: block; height: 56px; width: auto; border-radius: 8px; box-shadow: 0 4px 16px -6px color-mix(in srgb, var(--ink) 35%, transparent); }
 @media (min-width: 768px) {.logo-img { height: 64px; } }


 /* === PREMIUM TYPOGRAPHY REFINEMENT — cleaner editorial feel === */
.display-1, h1.display-1 {
 font-weight: 600 !important;
 line-height: 0.96 !important;
 letter-spacing: -0.035em !important;
 font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0 !important;
 }
.display-2, h2.display-2 {
 font-weight: 500 !important;
 line-height: 1.02 !important;
 letter-spacing: -0.028em !important;
 font-variation-settings: "opsz" 144, "SOFT" 25, "WONK" 0 !important;
 }
.display-italic {
 font-style: italic !important;
 font-weight: 400 !important;
 color: var(--brand) !important;
 font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0 !important;
 letter-spacing: -0.018em !important;
 }
 /* H3 in cards/services — slightly lighter, cleaner */
 h3.font-serif,.tile h3,.faq-q h3 {
 font-weight: 600 !important;
 font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0 !important;
 letter-spacing: -0.018em !important;
 }
 /* Pull-quote (testimonials) — refined italic */
.pullquote {
 font-weight: 400 !important;
 font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0 !important;
 letter-spacing: -0.015em !important;
 }
.guide-card { background: var(--bg); border: 1px solid var(--line); border-radius: 20px; padding: 28px; display: flex; flex-direction: column; }
.guide-card a { margin-top: auto; }