/* ============================================
   IRONPEAK HEATING & COOLING — Flagship Trades Demo
   Palette: industrial steel gray + molten orange + ice blue
   Display: Archivo Black / Body: Archivo / Labels: JetBrains Mono
   Signature engineering: split-flap stat counters, comfort dial estimator
   ============================================ */

:root{
  --steel-900: #14161A;
  --steel-800: #1C1F24;
  --steel-700: #262A31;
  --steel-line: rgba(232,230,225,0.12);
  --orange: #FF5A1F;
  --orange-deep: #C93E0F;
  --blue: #3E8ED0;
  --blue-deep: #2569A3;
  --paper: #F1EFE8;
  --white: #FFFFFF;
  --ink: #191A1D;
  --ink-soft: #565A5F;
  --ink-faint: #8C9095;
  --on-dark: #E8E6E1;
  --on-dark-soft: #A7ABAF;

  --font-display: 'Archivo Black', sans-serif;
  --font-body: 'Archivo', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-1: 8px; --space-2: 16px; --space-3: 24px; --space-4: 40px; --space-5: 64px; --space-6: 108px;
  --max-width: 1220px;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior: auto; } *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } }

body{ font-family: var(--font-body); background: var(--paper); color: var(--ink); line-height: 1.65; font-size: 17px; -webkit-font-smoothing: antialiased; }
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; }
.container{ max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-3); }

h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 400; line-height: 1.05; color: var(--ink); text-transform: uppercase; letter-spacing: -0.01em; }
h1{ font-size: clamp(38px, 5.6vw, 66px); }
h2{ font-size: clamp(26px, 3.2vw, 40px); }
h3{ font-size: 18px; font-family: var(--font-body); font-weight: 800; text-transform: none; }
p{ color: var(--ink-soft); }
.lede{ font-size: 18px; color: var(--ink-soft); }
.on-dark h1, .on-dark h2, .on-dark h3{ color: var(--on-dark); }
.on-dark p, .on-dark .lede{ color: var(--on-dark-soft); }

section{ padding: var(--space-6) 0; }
.section-dark{ background: var(--steel-900); }
.section-alt{ background: var(--white); }

.eyebrow{ display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange-deep); margin-bottom: var(--space-2); font-weight: 700; }
.on-dark .eyebrow{ color: var(--orange); }
.eyebrow .bolt{ width: 10px; height: 2px; background: var(--orange-deep); flex-shrink: 0; }
.on-dark .eyebrow .bolt{ background: var(--orange); }
.section-head{ max-width: 620px; margin-bottom: var(--space-5); }
.section-head.center{ margin-left: auto; margin-right: auto; text-align: center; }

.btn{ display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-body); font-weight: 800; font-size: 14.5px; text-transform: uppercase; letter-spacing: 0.02em; padding: 16px 30px; border-radius: 2px; border: 2px solid transparent; cursor: pointer; transition: transform 0.25s cubic-bezier(.2,.8,.3,1), background 0.25s ease, border-color 0.25s ease; }
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--orange); color: var(--white); }
.btn-primary:hover{ background: var(--orange-deep); }
.btn-dark{ background: var(--steel-900); color: var(--on-dark); }
.btn-dark:hover{ background: #000; }
.btn-ghost{ background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--orange-deep); color: var(--orange-deep); }
.on-dark .btn-ghost{ border-color: var(--steel-line); color: var(--on-dark); }
.on-dark .btn-ghost:hover{ border-color: var(--orange); color: var(--orange); }

.grid-2{ display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.grid-4{ display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }

/* ---- Scroll progress ---- */
.scroll-progress{ position: fixed; top: 0; left: 0; height: 4px; background: linear-gradient(90deg, var(--blue), var(--orange)); width: 0%; z-index: 999; transition: width 0.1s ease-out; }

/* ---- Hazard stripe divider ---- */
.hazard-strip{ height: 14px; background: repeating-linear-gradient(135deg, var(--orange) 0 18px, var(--steel-900) 18px 36px); }

/* ---- Persistent vertical spine (signature brand device) ---- */
.hazard-spine{ position: fixed; top: 0; left: 0; width: 8px; height: 100vh; background: repeating-linear-gradient(-45deg, var(--orange) 0 10px, var(--steel-900) 10px 20px); z-index: 998; }
body{ padding-left: 8px; }
@media (max-width: 700px){ .hazard-spine{ width: 5px; } body{ padding-left: 5px; } }

/* ---- Ticker stat bar (replaces stacked stats block) ---- */
.ticker-stat{ display: flex; align-items: center; gap: 14px; padding: 18px var(--space-4) 18px 0; border-right: 1px solid var(--steel-line); }
.ticker-stat:last-child{ border-right: none; }
.ticker-stat .flap-digits{ display: flex; gap: 2px; }
.ticker-stat .flap-unit{ width: 26px; height: 36px; }
.ticker-stat .flap-unit .flap-num{ font-size: 19px; }
.ticker-stat .flap-suffix{ font-size: 19px; }
.ticker-stat-label{ font-family: var(--font-mono); font-size: 10px; color: var(--on-dark-soft); text-transform: uppercase; letter-spacing: 0.04em; max-width: 110px; line-height: 1.3; }

/* ---- Split-flap counter (signature interaction) ---- */
.flap-row{ display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-4); }
.flap-stat{ display: flex; flex-direction: column; gap: 8px; }
.flap-digits{ display: flex; gap: 3px; }
.flap-unit{ position: relative; width: 34px; height: 46px; background: var(--steel-700); border-radius: 3px; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(232,230,225,0.08); }
.flap-unit::after{ content: ""; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: rgba(0,0,0,0.5); z-index: 2; }
.flap-unit .flap-num{ position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 700; font-size: 24px; color: var(--on-dark); }
.flap-suffix{ font-family: var(--font-mono); font-weight: 700; font-size: 24px; color: var(--orange); display: flex; align-items: center; }
.flap-label{ font-family: var(--font-mono); font-size: 10.5px; color: var(--on-dark-soft); text-transform: uppercase; letter-spacing: 0.05em; max-width: 160px; }

/* ---- Comfort dial estimator (signature interactive) ---- */
.dial-card{ background: var(--white); border-radius: 4px; padding: var(--space-4); box-shadow: 0 30px 60px rgba(20,22,26,0.15); }
.dial-wrap{ display: flex; justify-content: center; margin-bottom: var(--space-3); position: relative; }
.dial-svg{ width: 200px; height: 200px; }
.dial-readout{ position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); text-align: center; }
.dial-temp{ font-family: var(--font-display); font-size: 40px; color: var(--ink); line-height: 1; }
.dial-mode-label{ font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-faint); text-transform: uppercase; margin-top: 4px; }
.dial-toggle-row{ display: flex; gap: 8px; background: var(--paper); border-radius: 8px; padding: 5px; margin-bottom: var(--space-3); }
.dial-toggle{ flex: 1; text-align: center; padding: 11px; border-radius: 5px; cursor: pointer; font-family: var(--font-mono); font-weight: 700; font-size: 13px; text-transform: uppercase; color: var(--ink-soft); transition: all 0.25s ease; }
.dial-toggle.selected.heat{ background: var(--orange); color: var(--white); }
.dial-toggle.selected.cool{ background: var(--blue); color: var(--white); }
.est-select-row{ display: flex; gap: 8px; flex-wrap: wrap; }
.est-select-chip{ flex: 1; min-width: 90px; text-align: center; padding: 11px 8px; border: 2px solid var(--steel-line); border: 2px solid #E4E1D8; border-radius: 4px; cursor: pointer; font-size: 13px; font-weight: 700; transition: all 0.2s ease; font-family: var(--font-mono); }
.est-select-chip:hover{ border-color: var(--orange-deep); }
.est-select-chip.selected{ background: var(--steel-900); color: var(--on-dark); border-color: var(--steel-900); }
.est-slider-group{ margin-bottom: var(--space-2); }
.est-slider-label{ display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-soft); margin-bottom: 8px; text-transform: uppercase; }
.est-slider-label strong{ color: var(--ink); font-family: var(--font-body); }
input[type="range"]{ width: 100%; height: 6px; border-radius: 3px; background: #E4E1D8; outline: none; -webkit-appearance: none; }
input[type="range"]::-webkit-slider-thumb{ -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--orange); border: 3px solid var(--white); box-shadow: 0 2px 8px rgba(0,0,0,0.25); cursor: pointer; }
.dial-result{ background: var(--steel-900); border-radius: 4px; padding: var(--space-3); text-align: center; margin-top: var(--space-3); }
.dial-result-label{ font-family: var(--font-mono); font-size: 10.5px; color: var(--on-dark-soft); text-transform: uppercase; letter-spacing: 0.05em; }
.dial-result-value{ font-family: var(--font-display); font-size: 32px; color: var(--orange); margin: 8px 0 4px; }
.dial-result-sub{ font-size: 12.5px; color: var(--on-dark-soft); }

/* ---- Trust / feature cards ---- */
.trade-card{ background: var(--white); border: 2px solid #E4E1D8; padding: var(--space-3); transition: transform 0.3s cubic-bezier(.2,.8,.3,1), border-color 0.3s ease; }
.trade-card:hover{ transform: translateY(-6px); border-color: var(--orange); }
.trade-icon{ width: 52px; height: 52px; background: var(--steel-900); color: var(--orange); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-2); }

/* ---- Service ticket rows ---- */
.ticket-row{ display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 2px solid #E4E1D8; }
.ticket-row:first-child{ border-top: 2px solid #E4E1D8; }
.ticket-num{ font-family: var(--font-mono); font-size: 12px; color: var(--orange-deep); font-weight: 700; flex-shrink: 0; width: 60px; }
.ticket-title{ font-family: var(--font-display); font-size: 20px; text-transform: none; flex-grow: 1; }
.ticket-price{ font-family: var(--font-mono); font-weight: 700; color: var(--ink); flex-shrink: 0; }

/* ---- Header / Nav ---- */
.site-header{ position: sticky; top: 0; z-index: 100; background: rgba(20,22,26,0.97); backdrop-filter: blur(10px); border-bottom: 2px solid var(--orange); }
.nav{ display: flex; align-items: center; justify-content: space-between; height: 86px; }
.brand{ display: flex; align-items: center; gap: 12px; }
.brand-icon{ height: 44px; width: auto; }
.brand-text{ font-family: var(--font-display); font-size: 17px; color: var(--on-dark); line-height: 1.1; text-transform: uppercase; }
.brand-text span{ display: block; font-family: var(--font-mono); font-size: 9px; color: var(--orange); letter-spacing: 0.1em; font-weight: 500; text-transform: uppercase; margin-top: 3px; }
.nav-links{ display: flex; align-items: center; gap: var(--space-4); }
.nav-links a{ font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase; color: var(--on-dark-soft); transition: color 0.2s ease; position: relative; padding-bottom: 3px; }
.nav-links a::after{ content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--orange); transition: width 0.3s ease; }
.nav-links a:hover{ color: var(--on-dark); }
.nav-links a:hover::after, .nav-links a.active::after{ width: 100%; }
.nav-links a.active{ color: var(--orange); }
.nav-toggle{ display: none; background: none; border: none; color: var(--on-dark); cursor: pointer; }

@media (max-width: 880px){
  .nav{ height: 70px; }
  .brand-icon{ height: 34px; }
  .brand-text{ font-size: 14px; }
  .nav-links{ display: none; position: absolute; top: 70px; left: 0; width: 100%; background: var(--steel-900); flex-direction: column; align-items: flex-start; gap: var(--space-2); padding: var(--space-3); border-top: 1px solid var(--steel-line); border-bottom: 1px solid var(--steel-line); z-index: 90; }
  .nav-links.is-open{ display: flex; }
  .nav-links a{ width: 100%; padding: 8px 0; }
  .nav-toggle{ display: block; }
  .nav-cta .btn{ padding: 10px 16px; font-size: 11.5px; }
}

/* ---- Booking form (dispatch style) ---- */
.dispatch-step{ position: relative; padding-left: 30px; margin-bottom: var(--space-4); }
.dispatch-step::before{ content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; background: var(--orange); clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%); }
.date-chip-row{ display: flex; flex-wrap: wrap; gap: 8px; }
.date-chip{ font-family: var(--font-mono); font-size: 12.5px; padding: 10px 16px; border: 2px solid #E4E1D8; border-radius: 2px; cursor: pointer; transition: all 0.2s ease; font-weight: 700; }
.date-chip:hover{ border-color: var(--orange-deep); }
.date-chip.selected{ background: var(--steel-900); color: var(--on-dark); border-color: var(--steel-900); }
.time-chip{ font-family: var(--font-mono); font-size: 12.5px; padding: 9px 16px; border: 2px solid #E4E1D8; border-radius: 2px; cursor: pointer; transition: all 0.2s ease; font-weight: 700; }
.time-chip:hover{ border-color: var(--orange-deep); }
.time-chip.selected{ background: var(--orange); color: var(--white); border-color: var(--orange); }
.time-chip-row{ display: flex; flex-wrap: wrap; gap: 8px; }

/* ---- Footer ---- */
.site-footer{ background: var(--steel-900); padding: var(--space-5) 0 var(--space-3); }
.footer-grid{ display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-5); }
.footer-col h4{ font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); margin-bottom: var(--space-2); }
.footer-col ul li{ margin-bottom: 10px; }
.footer-col a{ color: var(--on-dark-soft); font-size: 14px; transition: color 0.2s ease; }
.footer-col a:hover{ color: var(--orange); }
.footer-col p{ color: var(--on-dark-soft); font-size: 14px; margin-bottom: var(--space-2); }
.footer-bottom{ display: flex; justify-content: space-between; padding-top: var(--space-3); border-top: 1px solid var(--steel-line); font-size: 12.5px; color: var(--on-dark-soft); flex-wrap: wrap; gap: 10px; }

@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ---- Forms ---- */
.form-group{ margin-bottom: var(--space-2); }
.form-group label{ display: block; font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea{ width: 100%; padding: 13px 14px; border: 2px solid #E4E1D8; border-radius: 2px; font-family: var(--font-body); font-size: 15px; background: var(--white); color: var(--ink); transition: border-color 0.2s ease; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{ outline: none; border-color: var(--orange-deep); }
.form-group textarea{ resize: vertical; min-height: 90px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.card{ background: var(--white); border: 2px solid #E4E1D8; border-radius: 2px; padding: var(--space-4); }

/* ---- Reveal ---- */
[data-reveal]{ opacity: 0; transform: translateY(22px); transition: opacity 0.75s cubic-bezier(.2,.8,.3,1), transform 0.75s cubic-bezier(.2,.8,.3,1); }
[data-reveal].is-visible{ opacity: 1; transform: translateY(0); }
[data-reveal="stagger"] > *{ transition-delay: calc(var(--i, 0) * 90ms); }

@media (max-width: 900px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  section{ padding: var(--space-5) 0; }
}

/* ================================================
   BLUEPRINT GRID (Services hero) — animated schematic grid + scanning line
   ================================================ */
.blueprint-hero{ position: relative; overflow: hidden; background: var(--steel-900); }
.blueprint-grid{ position: absolute; inset: 0; z-index: 0; opacity: 0.5;
  background-image:
    linear-gradient(rgba(62,142,208,0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62,142,208,0.35) 1px, transparent 1px),
    linear-gradient(rgba(62,142,208,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62,142,208,0.14) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 70% 100% at 50% 40%, #000 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 40%, #000 40%, transparent 90%);
}
.blueprint-scan{ position: absolute; left: 0; right: 0; height: 120px; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(62,142,208,0.16) 45%, rgba(62,142,208,0.28) 50%, rgba(62,142,208,0.16) 55%, transparent);
  animation: blueprint-scan-move 5.5s linear infinite;
}
@keyframes blueprint-scan-move{ 0%{ top: -120px; } 100%{ top: 100%; } }
.blueprint-crosshair{ position: absolute; width: 26px; height: 26px; z-index: 1; opacity: 0.55; }
.blueprint-crosshair::before, .blueprint-crosshair::after{ content: ""; position: absolute; background: var(--blue); }
.blueprint-crosshair::before{ left: 50%; top: 0; width: 1px; height: 100%; transform: translateX(-50%); }
.blueprint-crosshair::after{ top: 50%; left: 0; height: 1px; width: 100%; transform: translateY(-50%); }
.blueprint-crosshair span{ position: absolute; inset: 0; border: 1px solid var(--blue); border-radius: 50%; transform: scale(0.5); }
.blueprint-tag{ position: absolute; font-family: var(--font-mono); font-size: 10.5px; color: var(--blue); opacity: 0.6; letter-spacing: 0.04em; z-index: 1; }

/* ================================================
   GAUGE SWEEP (Services CTA) — large decorative pressure gauge, needle sweeping
   ================================================ */
.gauge-cta{ position: relative; overflow: hidden; background: var(--steel-900); }
.gauge-bg{ position: absolute; top: 50%; left: 50%; width: 640px; height: 640px; transform: translate(-50%,-50%); z-index: 0; opacity: 0.16; }
.gauge-bg svg{ width: 100%; height: 100%; }
.gauge-needle{ position: absolute; top: 50%; left: 50%; width: 4px; height: 220px; background: linear-gradient(180deg, var(--orange), transparent); border-radius: 4px; transform-origin: 50% 100%; transform: translate(-50%,-100%) rotate(-60deg); animation: gauge-sweep 6s ease-in-out infinite; z-index: 0; opacity: 0.5; }
@keyframes gauge-sweep{ 0%,100%{ transform: translate(-50%,-100%) rotate(-60deg); } 50%{ transform: translate(-50%,-100%) rotate(60deg); } }

/* ================================================
   DUCT TRACE LINES (About hero) — glowing pulse traveling along duct-style paths
   ================================================ */
.duct-hero{ position: relative; overflow: hidden; background: var(--steel-900); }
.duct-svg{ position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.7; }
.duct-path{ fill: none; stroke: rgba(232,230,225,0.08); stroke-width: 2; }
.duct-pulse{ fill: none; stroke-width: 3; stroke-linecap: round; stroke-dasharray: 60 900; animation: duct-flow 4.5s linear infinite; }
.duct-pulse.orange{ stroke: var(--orange); filter: drop-shadow(0 0 4px rgba(255,90,31,0.7)); }
.duct-pulse.blue{ stroke: var(--blue); filter: drop-shadow(0 0 4px rgba(62,142,208,0.7)); }
@keyframes duct-flow{ to{ stroke-dashoffset: -960; } }

/* ================================================
   HEAT SHIMMER + SPLIT (About CTA) — warm/cool diagonal split with rising shimmer
   ================================================ */
.shimmer-cta{ position: relative; overflow: hidden; background: linear-gradient(115deg, #4a2210 0%, var(--steel-900) 45%, var(--steel-900) 55%, #0d2438 100%); }
.shimmer-band{ position: absolute; left: -10%; width: 120%; height: 3px; opacity: 0.12; background: linear-gradient(90deg, transparent, var(--on-dark), transparent); animation: shimmer-rise linear infinite; }
@keyframes shimmer-rise{ 0%{ transform: translateY(0) scaleX(1); opacity: 0; } 15%{ opacity: 0.18; } 85%{ opacity: 0.1; } 100%{ transform: translateY(-420px) scaleX(1.15); opacity: 0; } }

/* ================================================
   RADAR SWEEP (Contact hero) — rotating dispatch radar with random blips
   ================================================ */
.radar-hero{ position: relative; overflow: hidden; background: var(--steel-900); }
.radar-wrap{ position: absolute; top: 50%; right: 6%; width: 460px; height: 460px; transform: translateY(-50%); z-index: 0; opacity: 0.5; }
.radar-ring{ position: absolute; border: 1px solid rgba(62,142,208,0.35); border-radius: 50%; }
.radar-ring.r1{ inset: 0; }
.radar-ring.r2{ inset: 60px; }
.radar-ring.r3{ inset: 120px; }
.radar-ring.r4{ inset: 180px; }
.radar-sweep{ position: absolute; inset: 0; border-radius: 50%; overflow: hidden; animation: radar-rotate 4s linear infinite; }
.radar-sweep::before{ content: ""; position: absolute; inset: 0; background: conic-gradient(from 0deg, rgba(62,142,208,0.5), transparent 35%); }
@keyframes radar-rotate{ to{ transform: rotate(360deg); } }
.radar-blip{ position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 8px 2px rgba(255,90,31,0.6); opacity: 0; animation: radar-blip-pulse 3.2s ease-out infinite; }
@keyframes radar-blip-pulse{ 0%{ opacity: 0; transform: scale(0.4); } 10%{ opacity: 1; transform: scale(1); } 40%{ opacity: 0.7; } 100%{ opacity: 0; transform: scale(1.3); } }

/* ================================================
   TEMPERATURE WAVE (Homepage comfort estimator) — flowing blue-to-orange wave canvas
   ================================================ */
.wave-hero{ position: relative; overflow: hidden; }
.wave-canvas{ position: absolute; inset: 0; z-index: 0; opacity: 0.55; }