/* ==========================================================================
   POWER BOX TECHNOLOGIES LTD — storefront styles
   Material concept: a machined equipment rack. Brushed aluminium faceplates,
   gunmetal enclosures, anodised-blue controls, one green status LED.
   ========================================================================== */

:root {
  /* Metals */
  --aluminium: #DADDE1;      /* page background */
  --aluminium-lo: #CDD1D6;
  --platinum: #F3F4F6;       /* raised surfaces */
  --rule: #B4BAC1;           /* machined edges, dividers */
  --steel: #8B929B;
  --gunmetal: #2A2F36;       /* dark enclosures */
  --gunmetal-hi: #353B43;
  --graphite: #1C2026;       /* text */

  /* Text */
  --text: #1C2026;
  --muted: #4F565F;
  --on-dark: #D3D8DE;
  --on-dark-muted: #AEB5BE;

  /* Controls */
  --accent: #2E5A87;         /* anodised blue */
  --accent-hover: #244A70;
  --accent-on-dark: #A9C8EA;
  --led: #3FCF6E;
  --danger: #8E2B2B;

  --font: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --container: 1200px;
  --header-h: 72px;

  --brushed: repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, rgba(0,0,0,.022) 1px 2px, transparent 2px 4px);
  --bevel: inset 0 1px 0 rgba(255,255,255,.9), inset 0 -1px 0 rgba(0,0,0,.12);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--aluminium);
  background-image: var(--brushed), linear-gradient(180deg, #E4E6E9 0%, #D7DADE 60%, #D2D6DA 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 { margin: 0 0 .55em; line-height: 1.08; color: var(--graphite); font-family: var(--font); text-wrap: balance; }
h1 { font-size: clamp(2.25rem, 4.6vw, 3.85rem); font-weight: 800; font-stretch: 125%; letter-spacing: -.012em; }
h2 { font-size: clamp(1.65rem, 2.9vw, 2.35rem); font-weight: 760; font-stretch: 118%; letter-spacing: -.008em; }
h3 { font-size: 1.2rem; font-weight: 700; font-stretch: 110%; line-height: 1.2; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
address { font-style: normal; }
strong { font-weight: 700; }

:focus-visible { outline: 3px solid #4C8FD6; outline-offset: 2px; border-radius: 3px; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.hidden { display: none !important; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--platinum); color: var(--graphite); padding: .6rem 1rem; border-radius: 6px;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.narrow { max-width: 46rem; }

.section { padding-block: clamp(4rem, 8vw, 6.5rem); }
.section-tight-top { padding-top: clamp(1.5rem, 3vw, 2.5rem); }
.section-alt { background: linear-gradient(180deg, rgba(255,255,255,.32), rgba(255,255,255,.12)); border-block: 1px solid var(--rule); box-shadow: inset 0 1px 0 rgba(255,255,255,.7); }

.section-head { max-width: 46rem; margin-bottom: 2.5rem; }
.section-head p { color: var(--muted); font-size: 1.125rem; margin-bottom: 0; }
.section-head-row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.section-head-row > div { max-width: 40rem; }

.lead { font-size: clamp(1.1rem, 1.6vw, 1.25rem); color: #363C44; max-width: 37rem; line-height: 1.55; }
.small { font-size: .9rem; color: var(--muted); }
.text-link { font-weight: 650; }

/* Engraved type on aluminium */
.engraved { color: #2B3037; text-shadow: 0 1px 0 rgba(255,255,255,.8), 0 -1px 0 rgba(0,0,0,.06); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .75rem 1.4rem;
  border: 1px solid transparent; border-radius: 6px;
  font: inherit; font-size: 1rem; font-weight: 650; font-stretch: 108%; line-height: 1.2;
  text-decoration: none; text-align: center; cursor: pointer;
  transition: background-color .15s ease, box-shadow .15s ease, transform .08s ease, color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .65; cursor: progress; transform: none; }

.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #3B6B9B 0%, #2E5A87 55%, #284F78 100%);
  border-color: #1F3F60;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 1px 2px rgba(18,28,42,.35);
}
.btn-primary:hover { color: #fff; background: linear-gradient(180deg, #33618F 0%, #284F78 55%, #224467 100%); }

.btn-metal {
  color: var(--graphite);
  background: linear-gradient(180deg, #FBFBFC 0%, #E6E8EB 50%, #D5D9DD 100%);
  border-color: #A6ACB4;
  box-shadow: inset 0 1px 0 #fff, 0 1px 2px rgba(0,0,0,.14);
}
.btn-metal:hover { color: var(--graphite); background: linear-gradient(180deg, #FFFFFF 0%, #EDEFF1 50%, #DDE0E4 100%); }

.btn-ghost { color: #EEF1F4; background: transparent; border-color: rgba(255,255,255,.38); }
.btn-ghost:hover { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.6); }

.btn-small { min-height: 40px; padding: .5rem 1rem; font-size: .95rem; }
.btn-large { min-height: 54px; padding: .85rem 1.8rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: linear-gradient(180deg, rgba(247,248,249,.95), rgba(229,232,235,.95));
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid #ADB3BA;
  box-shadow: 0 1px 0 rgba(255,255,255,.75);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--graphite); text-decoration: none; }
.brand:hover { color: var(--graphite); }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-name { display: flex; flex-direction: column; line-height: 1; }
.brand-name strong { font-size: 1.12rem; font-weight: 800; font-stretch: 125%; letter-spacing: .03em; }
.brand-name span { margin-top: .25rem; font-size: .78rem; font-stretch: 112%; color: var(--muted); }

.site-nav { display: flex; align-items: center; gap: .15rem; }
.site-nav a:not(.btn) {
  padding: .5rem .8rem; color: #2E343B; font-weight: 560; text-decoration: none; border-radius: 6px;
}
.site-nav a:not(.btn):hover { background: rgba(255,255,255,.65); color: var(--graphite); }
.site-nav a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.site-nav .nav-cta { margin-left: .75rem; }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 46px; height: 46px; padding: 0; border-radius: 6px; cursor: pointer;
  border: 1px solid #A6ACB4; background: linear-gradient(180deg, #FBFBFC, #DCDFE3);
  box-shadow: inset 0 1px 0 #fff;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 20px; height: 2px; background: var(--graphite); border-radius: 2px; position: relative;
  transition: transform .18s ease, opacity .18s ease;
}
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; gap: .2rem;
    padding: .75rem 1.25rem 1.25rem;
    background: #E8EAED; border-bottom: 1px solid #ADB3BA;
    box-shadow: 0 18px 30px -18px rgba(20,24,30,.45);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a:not(.btn) { padding: .8rem .6rem; font-size: 1.05rem; }
  .site-nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--accent); padding-left: .9rem; }
  .site-nav .nav-cta { margin: .6rem 0 0; }
}

/* --------------------------------------------------------------------------
   Hero + equipment rack (the signature element)
   -------------------------------------------------------------------------- */
.hero { padding-block: clamp(3rem, 7vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 4.3vw, 3.5rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }
.hero-note { margin: 1.25rem 0 0; color: var(--muted); font-size: .95rem; }

.rack {
  position: relative;
  display: grid; gap: 10px;
  padding: 20px 40px;
  border-radius: 10px;
  background: var(--brushed), linear-gradient(180deg, #343940 0%, #24282E 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1), inset 0 -2px 0 rgba(0,0,0,.35), 0 34px 60px -32px rgba(18,22,28,.7);
}
.rack-rail {
  position: absolute; top: 14px; bottom: 14px; width: 16px; border-radius: 2px;
  background:
    radial-gradient(circle at 50% 50%, #111316 0 3px, rgba(255,255,255,.12) 3.4px, transparent 4.2px) 0 4px / 16px 24px repeat-y,
    linear-gradient(90deg, #4B5159, #3C4149 60%, #33383F);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.rack-rail-left { left: 12px; }
.rack-rail-right { right: 12px; }

.module {
  position: relative;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 16px;
  min-height: 96px; padding: 18px 24px 18px 20px;
  color: var(--graphite); text-decoration: none; border-radius: 3px;
  background: var(--brushed), linear-gradient(180deg, #F0F2F4 0%, #DCDFE3 48%, #C9CDD3 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.95), inset 0 -1px 0 rgba(0,0,0,.2), 0 2px 0 #121418;
  transition: transform .16s ease, box-shadow .16s ease;
}
.module:hover, .module:focus-visible {
  color: var(--graphite);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 #fff, inset 0 -1px 0 rgba(0,0,0,.2), 0 6px 14px -4px rgba(0,0,0,.55);
}
.module-text { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.module-name { font-size: 1.08rem; font-weight: 760; font-stretch: 120%; line-height: 1.15; text-shadow: 0 1px 0 rgba(255,255,255,.7); }
.module-desc { font-size: .9rem; color: var(--muted); line-height: 1.35; }
.module-go { font-size: .85rem; font-weight: 650; color: var(--accent); opacity: 0; transition: opacity .16s ease; }
.module:hover .module-go, .module:focus-visible .module-go { opacity: 1; }

.vent {
  width: 76px; height: 38px; border-radius: 3px;
  background: repeating-linear-gradient(90deg, #262A30 0 3px, transparent 3px 8px);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.25);
  opacity: .55;
}

.screw {
  position: absolute; width: 9px; height: 9px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FBFBFC 0%, #B9BFC6 55%, #858C95 100%);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.22), 0 1px 0 rgba(255,255,255,.6);
}
.screw::after {
  content: ""; position: absolute; left: 1.5px; right: 1.5px; top: 4px; height: 1px;
  background: rgba(0,0,0,.5); transform: rotate(var(--turn, 38deg));
}
.screw-tl { top: 7px; left: 7px; }
.screw-bl { bottom: 7px; left: 7px; --turn: -20deg; }
.screw-tr { top: 7px; right: 7px; --turn: 72deg; }
.screw-br { bottom: 7px; right: 7px; --turn: 12deg; }

.led {
  display: inline-block; width: 11px; height: 11px; border-radius: 50%; flex: none;
  background: #1D3A27;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.55), 0 0 0 2px rgba(0,0,0,.12);
}
.led-on, .rack .led {
  background: var(--led);
  box-shadow: 0 0 7px 1px rgba(63,207,110,.65), inset 0 -1px 1px rgba(0,0,0,.2), 0 0 0 2px rgba(0,0,0,.12);
}

/* One orchestrated moment: the rack powers up, module by module. */
@media (prefers-reduced-motion: no-preference) {
  .rack .led { animation: led-on .35s ease-out both; }
  .rack .module:nth-of-type(1) .led { animation-delay: .35s; }
  .rack .module:nth-of-type(2) .led { animation-delay: .6s; }
  .rack .module:nth-of-type(3) .led { animation-delay: .85s; }
  .rack .rack-psu .led { animation-delay: .1s; }
}
@keyframes led-on {
  from { background: #1D3A27; box-shadow: inset 0 1px 2px rgba(0,0,0,.55), 0 0 0 2px rgba(0,0,0,.12); }
  to   { background: var(--led); box-shadow: 0 0 7px 1px rgba(63,207,110,.65), inset 0 -1px 1px rgba(0,0,0,.2), 0 0 0 2px rgba(0,0,0,.12); }
}

.rack-psu {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 46px; padding: 0 16px; border-radius: 3px;
  background: var(--brushed), linear-gradient(180deg, #4A5058 0%, #3A3F46 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14), inset 0 -1px 0 rgba(0,0,0,.35);
  color: #C9CED5; font-size: .82rem;
}
.psu-label { font-weight: 800; font-stretch: 125%; letter-spacing: .06em; color: #DDE1E6; text-shadow: 0 -1px 0 rgba(0,0,0,.5); }
.psu-status { display: inline-flex; align-items: center; gap: .5rem; }
.psu-status .led { width: 8px; height: 8px; }
.psu-switch {
  width: 26px; height: 16px; border-radius: 3px;
  background: linear-gradient(180deg, #1C1F23 0 50%, #2C3137 50% 100%);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.6), 0 1px 0 rgba(255,255,255,.12);
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .hero-actions .btn { flex: 1 1 100%; }
  .rack { padding: 16px 32px; }
  .rack-rail { width: 12px; background-size: 12px 22px, auto; }
  .rack-rail-left { left: 10px; }
  .rack-rail-right { right: 10px; }
  .vent { display: none; }
  .module { grid-template-columns: auto minmax(0, 1fr); padding: 16px 18px; }
  .psu-label { display: none; }
}

/* --------------------------------------------------------------------------
   Intro + service list
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.split-intro p { color: #363C44; max-width: 34rem; }

.service-list { list-style: none; margin: 0; padding: 0; }
.service-list li { padding: 1.5rem 0; border-top: 1px solid var(--rule); box-shadow: inset 0 1px 0 rgba(255,255,255,.7); }
.service-list li:last-child { border-bottom: 1px solid var(--rule); }
.service-list h3 { margin-bottom: .4rem; }
.service-list p { color: var(--muted); margin-bottom: .55rem; max-width: 38rem; }
.service-list a { font-weight: 650; }

@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Advantages
   -------------------------------------------------------------------------- */
.features { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem 1.75rem; }
.feature { padding-top: 1.25rem; border-top: 2px solid var(--gunmetal); }
.feature-icon {
  display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 1rem;
  border-radius: 8px; color: var(--gunmetal);
  background: linear-gradient(180deg, #FAFBFC, #D9DDE1);
  border: 1px solid #A9AFB7; box-shadow: var(--bevel);
}
.feature-icon svg { width: 22px; height: 22px; }
.feature p { color: var(--muted); margin: 0; }
@media (max-width: 1080px) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Dark enclosure panels
   -------------------------------------------------------------------------- */
.panel-dark {
  color: var(--on-dark);
  background: var(--brushed), linear-gradient(180deg, #2F343B 0%, #252A30 100%);
  border-block: 1px solid #16191D;
}
.panel-dark h2, .panel-dark h3 { color: #F1F3F5; }
.panel-dark p { color: var(--on-dark-muted); }
.panel-dark a:not(.btn) { color: var(--accent-on-dark); }

.chrome { color: #EEF0F3; }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .chrome {
    background: linear-gradient(180deg, #FFFFFF 0%, #DDE1E5 45%, #A7AEB7 100%);
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
  }
}

/* Steps — a genuine sequence, so it is numbered */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; counter-reset: step; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 24px; left: 24px; right: 12%;
  height: 1px; background: linear-gradient(90deg, rgba(255,255,255,.28), rgba(255,255,255,.05));
}
.steps li { position: relative; counter-increment: step; }
.steps li::before {
  content: counter(step);
  position: relative; z-index: 1;
  display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 1.25rem;
  border-radius: 50%;
  font-weight: 800; font-stretch: 120%; font-size: 1.1rem; color: #24282E;
  background: radial-gradient(circle at 35% 30%, #FFFFFF 0%, #D2D7DC 55%, #9CA3AC 100%);
  box-shadow: 0 0 0 4px #2C3138, 0 0 0 5px rgba(255,255,255,.12);
}
.steps h3 { margin-bottom: .45rem; }
.steps p { margin: 0; }
@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps::before { display: none; }
}
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.testimonials { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.quote { margin: 0; display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem; padding: 1.75rem; border-radius: 8px;
  background: linear-gradient(180deg, rgba(250,251,252,.85), rgba(236,238,241,.85));
  border: 1px solid #BCC1C8; box-shadow: var(--bevel); }
.quote blockquote { margin: 0; }
.quote blockquote p { margin: 0; font-size: 1.08rem; line-height: 1.55; color: #262B31; }
.quote figcaption { display: flex; flex-direction: column; gap: .1rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.quote figcaption strong { font-stretch: 110%; }
.quote figcaption span { font-size: .9rem; color: var(--muted); }
@media (max-width: 960px) { .testimonials { grid-template-columns: 1fr; max-width: 40rem; } }

/* --------------------------------------------------------------------------
   CTA panel (rack faceplate, dark)
   -------------------------------------------------------------------------- */
.cta-panel {
  position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  padding: clamp(2rem, 5vw, 3.25rem) clamp(1.75rem, 5vw, 3.5rem);
  border-radius: 10px; color: var(--on-dark);
  background: var(--brushed), linear-gradient(180deg, #343940 0%, #262A30 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 30px 50px -34px rgba(18,22,28,.75);
}
.cta-panel h2 { margin-bottom: .4rem; }
.cta-panel p { margin: 0; color: var(--on-dark-muted); max-width: 36rem; }
.cta-panel .screw { opacity: .85; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* --------------------------------------------------------------------------
   Inner page header + breadcrumb
   -------------------------------------------------------------------------- */
.page-head { padding-block: clamp(2.75rem, 6vw, 4.5rem) clamp(2rem, 4vw, 2.75rem); border-bottom: 1px solid var(--rule); box-shadow: 0 1px 0 rgba(255,255,255,.7); }
.page-head h1 { max-width: 20ch; }
.page-head p { max-width: 42rem; margin-bottom: 0; color: #363C44; font-size: 1.15rem; }

.breadcrumb { margin-bottom: 1.25rem; font-size: .92rem; }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; color: var(--muted); }
.breadcrumb li + li::before { content: "/"; margin-right: .4rem; color: var(--steel); }
.breadcrumb a { color: var(--muted); }
.breadcrumb [aria-current="page"] { color: var(--graphite); font-weight: 600; }

/* --------------------------------------------------------------------------
   Catalogue
   -------------------------------------------------------------------------- */
.catalog-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.75rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  min-height: 40px; padding: .45rem 1.05rem; border-radius: 999px; cursor: pointer;
  font: inherit; font-size: .95rem; font-weight: 600; color: var(--graphite);
  border: 1px solid #A6ACB4; background: linear-gradient(180deg, #F9FAFB, #E1E4E7);
  box-shadow: inset 0 1px 0 #fff;
}
.chip:hover { background: linear-gradient(180deg, #FFFFFF, #E8EAED); }
.chip[aria-pressed="true"] { color: #fff; border-color: #1E2227; background: linear-gradient(180deg, #3A4048, #262A30); box-shadow: inset 0 1px 0 rgba(255,255,255,.12); }
.chip-count { margin-left: .35rem; font-weight: 500; opacity: .7; }
.results-meta { margin: 0; color: var(--muted); font-size: .95rem; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 1.25rem; }

.product-card {
  display: flex; flex-direction: column; overflow: hidden; border-radius: 8px;
  background: linear-gradient(180deg, #F8F9FA 0%, #ECEEF1 100%);
  border: 1px solid #B6BBC2; box-shadow: var(--bevel), 0 1px 0 rgba(0,0,0,.05);
}
.product-media { display: block; text-decoration: none; aspect-ratio: 4 / 3; overflow: hidden; background: #E6E8EB; border-bottom: 1px solid #C2C7CD; }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.product-body { display: flex; flex-direction: column; flex: 1; padding: 1.2rem 1.25rem 1.3rem; }
.product-cat { margin: 0 0 .4rem; font-size: .88rem; color: var(--muted); }
.product-cat a { color: inherit; text-decoration: none; }
.product-cat a:hover { color: var(--accent); text-decoration: underline; }
.product-card h3 { margin: 0 0 .5rem; font-size: 1.12rem; }
.product-card h3 a { color: var(--graphite); text-decoration: none; }
.product-card h3 a:hover { color: var(--accent); }
.product-desc {
  margin: 0 0 1.1rem; font-size: .95rem; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.product-foot { margin-top: auto; display: flex; align-items: flex-end; justify-content: space-between; gap: .75rem; flex-wrap: wrap; }

.price { margin: 0; display: flex; flex-direction: column; line-height: 1.15; }
.price-amount { font-size: 1.35rem; font-weight: 800; font-stretch: 112%; color: var(--graphite); }
.price-interval, .price-prefix { font-size: .85rem; color: var(--muted); }
.price-request { font-size: 1.05rem; font-weight: 700; color: var(--graphite); }

.badge {
  display: inline-flex; align-items: center; padding: .2rem .65rem; border-radius: 999px;
  font-size: .8rem; font-weight: 650; color: #fff;
  background: linear-gradient(180deg, #3B6B9B, #284F78);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.product-card .badge { position: absolute; top: .8rem; left: .8rem; z-index: 2; }
.product-card { position: relative; }

/* Generated faceplate used when a Stripe product has no image */
.plate {
  position: relative; width: 100%; height: 100%; min-height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.1rem 1.25rem;
  background: var(--brushed), linear-gradient(160deg, #F2F3F5 0%, #D6DADF 52%, #BDC3CA 100%);
  box-shadow: var(--bevel);
}
.plate-code { font-size: clamp(2.3rem, 5vw, 3.2rem); font-weight: 800; font-stretch: 125%; line-height: 1; color: #3A4048; text-shadow: 0 1px 0 rgba(255,255,255,.85), 0 -1px 0 rgba(0,0,0,.08); }
.plate .led { position: absolute; top: 1.15rem; right: 1.6rem; width: 9px; height: 9px; }
.plate .vent { position: absolute; bottom: 1.35rem; right: 1.6rem; width: 54px; height: 22px; opacity: .35; }

/* Catalogue footer note */
.catalog-note {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem;
  margin-top: 3rem; padding: 1.75rem; border-radius: 8px;
  border: 1px solid #B6BBC2; background: rgba(255,255,255,.35); box-shadow: var(--bevel);
}
.catalog-note h2 { font-size: 1.35rem; margin-bottom: .3rem; }
.catalog-note p { margin: 0; color: var(--muted); }

/* States */
.state {
  grid-column: 1 / -1;
  padding: 2.25rem; border-radius: 8px;
  border: 1px dashed #9FA6AE; background: rgba(255,255,255,.4);
}
.state h2, .state h3 { font-size: 1.3rem; margin-bottom: .4rem; }
.state p { color: var(--muted); max-width: 38rem; }
.state .hero-actions { margin-top: 1rem; }

/* Skeletons */
.sk { display: block; border-radius: 4px; background: linear-gradient(90deg, #CBD0D5 0%, #E2E5E8 50%, #CBD0D5 100%); background-size: 200% 100%; }
@media (prefers-reduced-motion: no-preference) { .sk { animation: shimmer 1.4s linear infinite; } }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }
.skeleton-card .product-media { border-bottom-color: #C9CED3; }
.skeleton-card .product-media .sk { width: 100%; height: 100%; border-radius: 0; }
.sk-line { height: .9rem; margin-bottom: .65rem; }
.sk-title { height: 1.25rem; width: 72%; margin-bottom: .9rem; }
.sk-short { width: 40%; }
.sk-price { height: 1.6rem; width: 45%; margin-top: 1rem; }

/* --------------------------------------------------------------------------
   Product detail
   -------------------------------------------------------------------------- */
.section-product { padding-top: clamp(2rem, 4vw, 3rem); }
.product-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.pd-media {
  position: sticky; top: calc(var(--header-h) + 24px);
  aspect-ratio: 4 / 3; overflow: hidden; border-radius: 10px;
  border: 1px solid #B6BBC2; background: #E6E8EB; box-shadow: var(--bevel);
}
.pd-media img { width: 100%; height: 100%; object-fit: cover; }
.pd-media .plate-code { font-size: clamp(3.4rem, 8vw, 5.5rem); }
.pd-info .product-cat { font-size: .95rem; }
.pd-title { font-size: clamp(2rem, 3.6vw, 2.9rem); margin-bottom: .6rem; }
.pd-badges { margin-bottom: 1rem; }
.pd-desc { color: #363C44; white-space: pre-line; max-width: 38rem; }
.pd-buy {
  margin-top: 1.75rem; padding: 1.5rem; border-radius: 10px;
  background: linear-gradient(180deg, #F8F9FA, #E9EBEE); border: 1px solid #B6BBC2; box-shadow: var(--bevel);
}
.pd-price { margin: 0 0 1.1rem; display: flex; align-items: baseline; flex-wrap: wrap; gap: .45rem; }
.pd-price .price-amount { font-size: 2.1rem; }
.pd-price .price-interval, .pd-price .price-prefix { font-size: 1rem; }
.pd-total { margin: -.4rem 0 1.1rem; font-size: .95rem; color: var(--muted); }

.price-options { margin: 0 0 1.25rem; padding: 0; border: 0; display: grid; gap: .6rem; }
.price-options legend { margin-bottom: .6rem; padding: 0; font-weight: 650; }
.price-option { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1rem; border-radius: 8px; cursor: pointer; border: 1px solid #A9AFB7; background: #FBFBFC; }
.price-option input { position: absolute; opacity: 0; pointer-events: none; }
.price-option:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); background: #F1F5FA; }
.price-option:has(input:focus-visible) { outline: 3px solid #4C8FD6; outline-offset: 2px; }
.price-option-name { font-weight: 650; }
.price-option-amount { text-align: right; line-height: 1.2; }
.price-option-amount strong { display: block; font-stretch: 110%; }
.price-option-amount span { font-size: .85rem; color: var(--muted); }

.qty-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.qty-row label { font-weight: 650; }
.qty { display: inline-flex; align-items: stretch; border: 1px solid #A3A9B1; border-radius: 6px; overflow: hidden; background: #FBFBFC; }
.qty button { width: 44px; border: 0; cursor: pointer; font-size: 1.2rem; color: var(--graphite); background: linear-gradient(180deg, #FAFBFC, #DEE1E5); }
.qty button:hover { background: linear-gradient(180deg, #FFFFFF, #E6E8EB); }
.qty input { width: 56px; min-height: 44px; border: 0; border-inline: 1px solid #C2C7CD; text-align: center; font: inherit; font-weight: 650; background: #fff; -moz-appearance: textfield; appearance: textfield; }
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.pd-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.pd-actions .btn { flex: 1 1 200px; }
.pd-actions .btn-primary { flex-grow: 2; }

.trust-list { list-style: none; margin: 1.25rem 0 0; padding: 1.1rem 0 0; border-top: 1px solid var(--rule); display: grid; gap: .45rem; font-size: .93rem; color: var(--muted); }
.trust-list li, .check-list li { position: relative; padding-left: 1.6rem; }
.trust-list li::before, .check-list li::before {
  content: ""; position: absolute; left: .15rem; top: .35em; width: .5rem; height: .85rem;
  border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(40deg);
}

.included { margin-top: clamp(3rem, 6vw, 4.5rem); padding-top: 2rem; border-top: 1px solid var(--rule); }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem 2rem; }
@media (max-width: 860px) {
  .product-detail { grid-template-columns: 1fr; }
  .pd-media { position: static; }
  .check-list { grid-template-columns: 1fr; }
}

.skeleton-detail .pd-media .sk { width: 100%; height: 100%; border-radius: 0; }

/* --------------------------------------------------------------------------
   Content pages (about, legal, FAQ)
   -------------------------------------------------------------------------- */
.prose { max-width: 44rem; }
.prose h2 { font-size: 1.45rem; font-stretch: 112%; margin-top: 2.4rem; }
.prose h3 { font-size: 1.12rem; margin-top: 1.6rem; }
.prose p, .prose li { color: #2E343B; }
.prose li { margin-bottom: .4rem; }
.prose .updated { color: var(--muted); font-size: .95rem; }

.legal-layout { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.legal-toc { position: sticky; top: calc(var(--header-h) + 24px); font-size: .93rem; }
.legal-toc p { font-weight: 700; margin-bottom: .6rem; }
.legal-toc ol { margin: 0; padding-left: 1.2rem; display: grid; gap: .35rem; color: var(--muted); }
.legal-toc a { color: var(--muted); text-decoration: none; }
.legal-toc a:hover { color: var(--accent); text-decoration: underline; }
@media (max-width: 900px) { .legal-layout { grid-template-columns: 1fr; } .legal-toc { position: static; } }

.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 2.5rem; }
.principles > div { padding-top: 1.1rem; border-top: 2px solid var(--gunmetal); }
.principles p { color: var(--muted); margin: 0; }
@media (max-width: 760px) { .principles { grid-template-columns: 1fr; } }

.company-plate {
  position: relative; padding: 2rem 2.25rem; border-radius: 10px;
  background: var(--brushed), linear-gradient(170deg, #F4F5F7 0%, #DADDE2 60%, #C9CED4 100%);
  border: 1px solid #A9AFB7; box-shadow: var(--bevel), 0 20px 40px -30px rgba(20,24,30,.5);
}
.company-plate h2 { font-size: 1.35rem; }
.company-plate dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .55rem 1.5rem; }
.company-plate dt { font-weight: 650; }
.company-plate dd { margin: 0; color: #363C44; }
@media (max-width: 560px) { .company-plate dl { grid-template-columns: 1fr; gap: .1rem; } .company-plate dd { margin-bottom: .6rem; } }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.faq-group + .faq-group { margin-top: 3rem; }
.faq-group h2 { font-size: 1.4rem; font-stretch: 112%; margin-bottom: .75rem; }
.faq-item { border-top: 1px solid var(--rule); box-shadow: inset 0 1px 0 rgba(255,255,255,.65); }
.faq-group .faq-item:last-child { border-bottom: 1px solid var(--rule); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.1rem 0; font-weight: 650; font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex: none; width: 22px; height: 22px; border-radius: 50%;
  background:
    linear-gradient(var(--graphite), var(--graphite)) center / 10px 2px no-repeat,
    linear-gradient(var(--graphite), var(--graphite)) center / 2px 10px no-repeat,
    linear-gradient(180deg, #FAFBFC, #D6DADE);
  box-shadow: inset 0 0 0 1px #A6ACB4;
}
.faq-item[open] summary::after {
  background:
    linear-gradient(var(--graphite), var(--graphite)) center / 10px 2px no-repeat,
    linear-gradient(180deg, #FAFBFC, #D6DADE);
}
.faq-item summary:hover { color: var(--accent); }
.faq-answer { padding: 0 2.5rem 1.25rem 0; color: #363C44; }
.faq-answer p:last-child { margin-bottom: 0; }
@media (max-width: 900px) { .faq-layout { grid-template-columns: 1fr; } .faq-layout .legal-toc { display: none; } }

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-card { position: relative; padding: 2rem; border-radius: 10px; color: var(--on-dark);
  background: var(--brushed), linear-gradient(180deg, #343940 0%, #262A30 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1); }
.contact-card h2 { font-size: 1.35rem; color: #F1F3F5; }
.form-title { font-size: 1.6rem; }
.contact-card a { color: var(--accent-on-dark); }
.contact-list { margin: 0 0 1.5rem; display: grid; gap: 1.1rem; }
.contact-list dt { font-size: .88rem; color: var(--on-dark-muted); margin-bottom: .15rem; }
.contact-list dd { margin: 0; color: #E6E9ED; overflow-wrap: anywhere; }
.contact-card .small { color: var(--on-dark-muted); margin: 0; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem 1.25rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field-full { grid-column: 1 / -1; }
.field label { font-weight: 650; font-size: .95rem; }
.field .opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: .7rem .85rem; border-radius: 6px;
  font: inherit; color: var(--text); background: #FBFBFC;
  border: 1px solid #A3A9B1; box-shadow: inset 0 1px 2px rgba(0,0,0,.07);
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid #4C8FD6; outline-offset: 1px; border-color: var(--accent); }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.form-actions .small { margin: 0; max-width: 26rem; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

.notice { margin: 1rem 0 0; padding: .9rem 1.1rem; border-radius: 6px; font-size: .95rem; }
.notice-success { color: #1D4A2C; background: #E2F2E7; border: 1px solid #9BCBA9; }
.notice-error { color: var(--danger); background: #F7E6E6; border: 1px solid #D9A9A9; }

/* --------------------------------------------------------------------------
   Result pages (success, cancel, 404)
   -------------------------------------------------------------------------- */
.result-panel {
  position: relative; padding: clamp(2rem, 5vw, 3.25rem); border-radius: 12px;
  background: linear-gradient(180deg, #F8F9FA, #E8EAED); border: 1px solid #B6BBC2;
  box-shadow: var(--bevel), 0 30px 50px -36px rgba(20,24,30,.55);
}
.result-panel h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); max-width: 20ch; }
.result-panel h2 { font-size: 1.25rem; margin-top: 2rem; }
.result-status { display: inline-flex; align-items: center; gap: .6rem; margin-bottom: 1.25rem; font-weight: 650; color: var(--muted); }
.led-off { background: #8E979F; box-shadow: inset 0 1px 2px rgba(0,0,0,.35), 0 0 0 2px rgba(0,0,0,.08); }
.order-ref { padding: .8rem 1rem; border-radius: 6px; background: rgba(255,255,255,.7); border: 1px solid var(--rule); display: inline-block; }
.next-steps { padding-left: 1.3rem; color: #2E343B; }
.next-steps li { margin-bottom: .45rem; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  color: var(--on-dark-muted);
  background: var(--brushed), linear-gradient(180deg, #2A2F35 0%, #1F2328 100%);
  border-top: 1px solid #14171A;
  padding-top: clamp(3rem, 6vw, 4.5rem);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-brand p { margin-top: 1rem; max-width: 22rem; font-size: .95rem; }
.brand-light, .brand-light:hover { color: #EEF1F4; }
.brand-light .brand-name span { color: var(--on-dark-muted); }
.footer-title { font-size: 1rem; font-stretch: 112%; color: #EEF1F4; margin-bottom: .9rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-footer a { color: #D4D9DF; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer address { line-height: 1.75; font-size: .95rem; }
.footer-legal { padding-block: 1.5rem 2rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; display: grid; gap: .35rem; }
.footer-legal p { margin: 0; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .module:hover, .module:focus-visible { transform: none; }
}

/* Product page skeleton pieces */
.sk-h1 { height: 2.6rem; width: 82%; margin: .4rem 0 1.4rem; }
.sk-buy { height: 15rem; margin-top: 1.75rem; border-radius: 10px; }