/* ===========================================================================
   BackitUPS  |  assets/css/style.css
   0. Fonts (self-hosted)
   1. Design tokens
   2. Reset and base
   3. Typography
   4. Layout utilities
   5. Buttons, tags, labels
   6. Header and navigation
   7. Hero
   8. Cards and editorial blocks
   9. Products
   10. System finder
   11. Steps, use cases, metrics
   12. Testimonial
   13. Learn
   14. CTA band
   15. Forms
   16. Footer
   17. Page specific
   Breakpoints live in responsive.css
   =========================================================================== */

/* --- 0. FONTS ------------------------------------------------------------
   Self-hosted, subset to Latin, WOFF2. No external requests, so the layout
   never reflows to a fallback face and nothing depends on Google being up.
   Licenses and sources are in /assets/fonts/LICENSE.txt
   Archivo is variable on both weight and width. The width axis is what the
   oversized headings use. Keep font-stretch on the @font-face rule or the
   browser will not expose that axis.
   ------------------------------------------------------------------------- */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-var.woff2") format("woff2-variations"),
       url("../fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope-var.woff2") format("woff2-variations"),
       url("../fonts/manrope-var.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/plexmono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/plexmono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/plexmono-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* --- 1. DESIGN TOKENS ---------------------------------------------------- */

:root {
  /* Color */
  --black:        #101313;
  --charcoal:     #202424;
  --white:        #ffffff;
  --off-white:    #f5f6f2;
  --light-gray:   #e8ebe7;
  --energy-green: #d9ff72;
  --green-dark:   #253629;
  --text-muted:   #6f7672;
  --line:         rgba(16, 19, 19, 0.12);
  --line-light:   rgba(255, 255, 255, 0.16);

  /* Type */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Manrope", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Tuned to real Archivo metrics. Archivo is noticeably wider than a fallback
     grotesque, so raising these maximums makes long single words
     (ANYTHING. SPECIFICATIONS. INDEPENDENCE.) overflow their grid column.
     Re-measure the hero and section headings if you change them. */
  --fs-hero:    clamp(44px, 7vw, 112px);
  --fs-display: clamp(34px, 5vw, 76px);
  --fs-lg:      clamp(30px, 3.6vw, 52px);
  --fs-md:      clamp(22px, 2.2vw, 30px);
  --fs-body:    18px;
  --fs-small:   15px;
  --fs-mono:    12px;

  /* Space */
  --wrap:        1400px;
  --gutter:      clamp(20px, 4vw, 56px);
  --section-pad: clamp(72px, 9vw, 160px);
  --gap:         clamp(18px, 2vw, 32px);

  /* Shape */
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 30px;
  --r-pill: 999px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --- 2. RESET AND BASE --------------------------------------------------- */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font: inherit; color: inherit; }

ul, ol { margin: 0; padding: 0; list-style: none; }

figure, blockquote { margin: 0; }

h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 800; line-height: 0.95; letter-spacing: -0.03em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

:focus-visible {
  outline: 3px solid var(--energy-green);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--black); color: var(--white);
  padding: 12px 20px; border-radius: var(--r-sm);
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

/* --- 3. TYPOGRAPHY ------------------------------------------------------- */

.display-hero {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 800;
  font-variation-settings: "wdth" 112, "wght" 800;
  line-height: 0.86;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin: 0;
}

.display-lg {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  font-variation-settings: "wdth" 106, "wght" 800;
  line-height: 0.9;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin: 0;
}

.display-md {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0;
}

.lede {
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: -0.015em;
}

.body-lg { font-size: 19px; line-height: 1.65; }

.muted { color: var(--text-muted); }

.mono-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 14px;
}
.mono-label--accent { color: var(--green-dark); }
.mono-label--light  { color: rgba(255, 255, 255, 0.7); }

/* On dark surfaces the lime is the accent, not the deep green. */
.band-dark .mono-label--accent,
.site-footer .mono-label--accent,
.cta-band .mono-label--accent { color: var(--energy-green); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 72px);
}
.section-head__copy { max-width: 46ch; color: var(--text-muted); }

/* --- 4. LAYOUT UTILITIES ------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.wrap--narrow { max-width: 940px; }

.section { padding-top: var(--section-pad); padding-bottom: var(--section-pad); }
.section--tight { padding-top: clamp(48px, 6vw, 90px); padding-bottom: clamp(48px, 6vw, 90px); }
.section--top-flush { padding-top: 0; }
.section--bottom-flush { padding-bottom: 0; }

.band-off  { background: var(--off-white); }
.band-dark { background: var(--black); color: var(--white); }
.band-dark .muted { color: rgba(255, 255, 255, 0.62); }
.band-green { background: var(--green-dark); color: var(--white); }

.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Asymmetric split used through the editorial sections */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 90px);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split--wide-media { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }

/* No overflow:hidden here, or the overlapping data cards positioned with
   negative offsets get clipped. The image carries the radius instead. */
.media-block {
  position: relative;
  border-radius: var(--r-lg);
  background: var(--light-gray);
}
.media-block img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.media-block--tall { aspect-ratio: 4 / 5; }
.media-block--wide { aspect-ratio: 16 / 10; }
.media-block--pano { aspect-ratio: 21 / 9; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* --- 5. BUTTONS, TAGS, LABELS -------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 30px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
  cursor: pointer;
  text-align: center;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--accent { background: var(--energy-green); color: var(--black); }
.btn--accent:hover { background: #cbf95a; }

.btn--dark { background: var(--black); color: var(--white); }
.btn--dark:hover { background: var(--green-dark); }

.btn--light { background: var(--white); color: var(--black); }
.btn--light:hover { background: var(--off-white); }

.btn--ghost { background: transparent; color: var(--black); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--black); }

.btn--ghost-light { background: transparent; color: var(--white); border-color: var(--line-light); }
.btn--ghost-light:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

.btn--sm { padding: 12px 20px; font-size: 14px; }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: gap 0.25s var(--ease), border-color 0.25s var(--ease);
}
.link-arrow:hover { gap: 16px; border-color: var(--black); }
.link-arrow--light { border-color: var(--line-light); }
.link-arrow--light:hover { border-color: var(--white); }

.tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 7px 12px; border-radius: var(--r-pill);
  background: var(--white); color: var(--black);
}
.tag--accent { background: var(--energy-green); }

/* Small data card used as an overlapping overlay on imagery */
.data-card {
  background: var(--white);
  color: var(--black);
  border-radius: var(--r-md);
  padding: 20px 22px;
  box-shadow: 0 18px 44px rgba(16, 19, 19, 0.16);
}
.data-card .mono-label { margin-bottom: 8px; }
.data-card__value { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
.data-card__sub { font-size: 13.5px; color: var(--text-muted); margin: 6px 0 0; }
.data-card--accent { background: var(--energy-green); }
.data-card--dark { background: var(--charcoal); color: var(--white); }
.data-card--dark .data-card__sub { color: rgba(255, 255, 255, 0.6); }
.data-card--float { position: absolute; z-index: 3; }

/* Charge bar, the small technical motif reused across the site */
.charge {
  display: block; height: 6px; width: 100%;
  border-radius: var(--r-pill);
  background: rgba(16, 19, 19, 0.12);
  overflow: hidden;
  margin-top: 12px;
}
.charge__fill { display: block; height: 100%; background: var(--energy-green); border-radius: var(--r-pill); }
.data-card--dark .charge { background: rgba(255, 255, 255, 0.18); }

/* --- 6. HEADER AND NAVIGATION -------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.site-header--over {
  position: fixed; left: 0; right: 0;
  background: transparent;
  border-bottom-color: transparent;
  color: var(--white);
}
.site-header--over.is-stuck {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  color: var(--black);
}
.site-header.is-stuck {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}

.site-header__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex; align-items: center; gap: clamp(16px, 3vw, 46px);
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand__mark { width: 26px; height: 26px; color: var(--green-dark); }
.site-header--over .brand__mark { color: var(--energy-green); }
.site-header--over.is-stuck .brand__mark { color: var(--green-dark); }
.brand__mark svg { width: 100%; height: 100%; }
.brand__word {
  font-family: var(--font-display);
  font-size: 21px; font-weight: 800;
  font-variation-settings: "wdth" 100, "wght" 800;
  letter-spacing: -0.035em;
}
.brand__word-alt { color: var(--text-muted); }
.site-header--over .brand__word-alt { color: rgba(255, 255, 255, 0.68); }
.site-header--over.is-stuck .brand__word-alt { color: var(--text-muted); }

.nav { flex: 1; }
.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__item { position: static; }

/* Pill navigation. The active and hovered states are a soft rounded pill
   rather than an underline, which reads better beside the mega panels. */
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  white-space: nowrap;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.nav__link:hover { background: rgba(16, 19, 19, 0.05); }
.nav__link.is-active,
.nav__link[aria-expanded="true"] {
  border-color: var(--line);
  background: rgba(16, 19, 19, 0.03);
}

.nav__chev { display: inline-flex; width: 13px; height: 13px; opacity: 0.55; transition: transform 0.25s var(--ease); }
.nav__chev svg { width: 100%; height: 100%; }
.nav__link[aria-expanded="true"] .nav__chev { transform: rotate(180deg); opacity: 1; }

/* Over a dark hero the pill flips to light-on-dark */
.site-header--over .nav__link:hover { background: rgba(255, 255, 255, 0.12); }
.site-header--over .nav__link.is-active,
.site-header--over .nav__link[aria-expanded="true"] {
  border-color: var(--line-light);
  background: rgba(255, 255, 255, 0.1);
}
.site-header--over.is-stuck .nav__link:hover { background: rgba(16, 19, 19, 0.05); }
.site-header--over.is-stuck .nav__link.is-active,
.site-header--over.is-stuck .nav__link[aria-expanded="true"] {
  border-color: var(--line);
  background: rgba(16, 19, 19, 0.03);
}

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.icon-btn {
  position: relative;
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.icon-btn svg { width: 19px; height: 19px; }
.icon-btn:hover { background: var(--off-white); }
.site-header--over .icon-btn { border-color: var(--line-light); }
.site-header--over .icon-btn:hover { background: rgba(255, 255, 255, 0.12); }
.site-header--over.is-stuck .icon-btn { border-color: var(--line); }
.site-header--over.is-stuck .icon-btn:hover { background: var(--off-white); }

.cart-count {
  position: absolute; top: -3px; right: -3px;
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: var(--r-pill);
  background: var(--energy-green); color: var(--black);
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}

.site-header--over .header-cta { background: var(--energy-green); color: var(--black); }

.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 50%;
  background: transparent; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.menu-toggle span { display: block; width: 16px; height: 1.8px; background: currentColor; transition: transform 0.25s var(--ease), opacity 0.25s var(--ease); }
.menu-toggle.is-open span:nth-child(1) { transform: translateY(3.4px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { transform: translateY(-3.4px) rotate(-45deg); }
.site-header--over .menu-toggle { border-color: var(--line-light); }
.site-header--over.is-stuck .menu-toggle { border-color: var(--line); }

/* --- MEGA MENU ----------------------------------------------------------- */

/* Panel sits inside the sticky header, so it positions against it. */
.mega {
  position: absolute;
  left: 0; right: 0; top: 100%;
  z-index: 90;
  padding: 10px var(--gutter) 24px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.24s var(--ease), transform 0.28s var(--ease), visibility 0.24s;
}
.mega.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.mega__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 70px rgba(16, 19, 19, 0.18);
  overflow: hidden;
}

.mega__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 2fr);
  gap: clamp(20px, 2.4vw, 36px);
  padding: clamp(20px, 2.2vw, 30px);
}

/* Feature card */
.mega-feature {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 300px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--charcoal);
  color: var(--white);
  isolation: isolate;
}
.mega-feature__img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.mega-feature::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(16,19,19,0.1) 35%, rgba(16,19,19,0.88) 100%);
}
.mega-feature:hover .mega-feature__img { transform: scale(1.05); }
.mega-feature__body { display: block; padding: 22px; }
.mega-feature__body .mono-label { display: block; margin-bottom: 10px; }
.mega-feature__title {
  display: block;
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1;
  margin-bottom: 8px;
}
.mega-feature__copy { display: block; font-size: 14.5px; color: rgba(255, 255, 255, 0.78); line-height: 1.5; }

/* Link columns */
.mega__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(18px, 2vw, 34px); }
.mega-col__title {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted);
  margin: 4px 0 14px;
}
.mega-col ul { display: grid; gap: 4px; }

.mega-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 12px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.mega-item:hover { background: var(--off-white); border-color: var(--line); }

.mega-item__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--white);
  color: var(--green-dark);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.mega-item__icon svg { width: 21px; height: 21px; }
.mega-item:hover .mega-item__icon {
  background: var(--energy-green);
  border-color: var(--energy-green);
  color: var(--black);
}

.mega-item__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mega-item__label { font-size: 15.5px; font-weight: 600; letter-spacing: -0.015em; }
.mega-item__desc { font-size: 13px; color: var(--text-muted); }

/* Panel footer */
.mega__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px clamp(20px, 2.2vw, 30px);
  background: var(--off-white);
  border-top: 1px solid var(--line);
}
.mega__foot-text { font-size: 16.5px; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 3px; }
.mega__foot-sub { font-size: 14px; color: var(--text-muted); margin: 0; }

/* Backdrop dims the page behind an open panel */
.mega-backdrop {
  position: fixed; inset: 0;
  z-index: 80;
  background: rgba(16, 19, 19, 0.34);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.mega-backdrop[hidden] { display: none; }
.mega-backdrop.is-visible { opacity: 1; }

/* Header must read as solid while a panel is open, even over a dark hero */
.site-header.has-open-panel {
  background: var(--white);
  color: var(--black);
  border-bottom-color: var(--line);
}
.site-header--over.has-open-panel .brand__mark { color: var(--green-dark); }
.site-header--over.has-open-panel .brand__word-alt { color: var(--text-muted); }
.site-header--over.has-open-panel .icon-btn { border-color: var(--line); }
.site-header--over.has-open-panel .nav__link:hover { background: rgba(16, 19, 19, 0.05); }
.site-header--over.has-open-panel .nav__link.is-active,
.site-header--over.has-open-panel .nav__link[aria-expanded="true"] {
  border-color: var(--line);
  background: rgba(16, 19, 19, 0.03);
}

/* Search panel */
.search-panel {
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--black);
  padding: 26px var(--gutter) 30px;
}
.search-panel[hidden] { display: none; }
.search-panel__form {
  max-width: 760px; margin: 0 auto;
  display: flex; gap: 12px;
}
.search-panel__form input {
  flex: 1;
  padding: 15px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--off-white);
}
.search-panel__hint {
  max-width: 760px; margin: 12px auto 0;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted);
}

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--black); color: var(--white);
  padding: 110px var(--gutter) 40px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow-y: auto;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu__list { display: flex; flex-direction: column; gap: 0; }
.mobile-menu__row { border-bottom: 1px solid var(--line-light); }
.mobile-menu__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mobile-menu__head a {
  display: block;
  flex: 1;
  font-family: var(--font-display);
  font-size: clamp(26px, 7.6vw, 40px);
  font-weight: 800; letter-spacing: -0.035em; text-transform: uppercase;
  padding: 12px 0;
}
.mobile-menu__head a.is-active { color: var(--energy-green); }

.mobile-sub-toggle {
  flex-shrink: 0;
  position: relative;
  width: 40px; height: 40px;
  border: 1px solid var(--line-light);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.mobile-sub-toggle span {
  position: absolute; left: 50%; top: 50%;
  width: 13px; height: 1.8px;
  background: var(--white);
  transform: translate(-50%, -50%);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.mobile-sub-toggle span:last-child { transform: translate(-50%, -50%) rotate(90deg); }
.mobile-sub-toggle[aria-expanded="true"] span:last-child { transform: translate(-50%, -50%) rotate(0deg); }
.mobile-sub-toggle[aria-expanded="true"] { background: rgba(255, 255, 255, 0.12); }

.mobile-sub { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.mobile-sub ul { display: grid; gap: 2px; padding: 4px 0 18px; }
.mobile-sub a {
  display: block;
  padding: 9px 0 9px 16px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.72);
  border-left: 2px solid rgba(255, 255, 255, 0.18);
}
.mobile-sub a:hover { color: var(--white); border-left-color: var(--energy-green); }

.mobile-menu__foot { margin-top: 40px; display: grid; gap: 16px; }
.mobile-menu__phone { font-family: var(--font-mono); font-size: 15px; letter-spacing: 0.05em; }
.mobile-menu .mono-label { color: rgba(255, 255, 255, 0.55); margin: 0; }

body.menu-open { overflow: hidden; }

/* --- 7. HERO ------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: min(94vh, 940px);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: 150px; padding-bottom: clamp(36px, 4vw, 60px);
  color: var(--white);
  overflow: hidden;
  background: var(--charcoal);
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(16,19,19,0.55) 0%, rgba(16,19,19,0.12) 34%, rgba(16,19,19,0.82) 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; }

/* Oversized wordmark sitting behind the hero content */
.hero__wordmark {
  position: relative; z-index: 1;
  font-family: var(--font-display);
  /* Sized so "BackitUPS" spans the container without spilling past it at the
     expanded width below. Archivo at wdth 118 renders roughly 5.9x the
     font-size for these nine characters, so the ceiling here is deliberate. */
  font-size: clamp(40px, 14.4vw, 210px);
  font-variation-settings: "wdth" 118, "wght" 800;
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--white);
  margin: 0 0 clamp(20px, 4vw, 60px);
  pointer-events: none;
  text-shadow: 0 12px 60px rgba(16, 19, 19, 0.28);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  gap: clamp(24px, 4vw, 70px);
  align-items: end;
}
.hero__title { max-width: 14ch; }
.hero__aside { padding-bottom: 8px; }
.hero__copy {
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
  max-width: 40ch;
  margin-bottom: 26px;
}
.hero__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px 26px;
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
}
.hero__trust {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
}
.hero__trust li {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.13em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  display: flex; align-items: center; gap: 9px;
}
.hero__trust li::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--energy-green); flex-shrink: 0;
}

/* --- CHARGE PILL ---------------------------------------------------------
   Animated backup readout. Used in the hero, reusable anywhere on a dark
   surface. See includes/charge-pill.php for options.
   ------------------------------------------------------------------------- */

.charge-pill {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  padding: 9px 11px 9px 19px;
  border-radius: var(--r-pill);
  background: rgba(16, 19, 19, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.charge-pill.is-full {
  border-color: rgba(217, 255, 114, 0.55);
  box-shadow: 0 0 0 1px rgba(217, 255, 114, 0.18), 0 10px 40px rgba(217, 255, 114, 0.12);
}

.charge-pill__mark {
  width: 19px; height: 19px;
  color: var(--energy-green);
  flex-shrink: 0;
}
.charge-pill__mark svg { width: 100%; height: 100%; }
.charge-pill:not(.is-full) .charge-pill__mark { animation: chargePulse 1.6s var(--ease) infinite; }

@keyframes chargePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.9); }
}

.charge-pill__text { display: flex; flex-direction: column; gap: 1px; }
.charge-pill__state {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--energy-green);
  white-space: nowrap;
}
.charge-pill__label {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700; letter-spacing: -0.025em;
  color: var(--white);
  line-height: 1.15;
  white-space: nowrap;
}

.charge-pill__ring { position: relative; width: 42px; height: 42px; flex-shrink: 0; }
.charge-pill__ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.charge-pill__track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 4;
}
.charge-pill__fill {
  fill: none;
  stroke: var(--energy-green);
  stroke-width: 4;
  stroke-linecap: round;
  /* 2 * pi * r, r = 19 */
  stroke-dasharray: 119.38;
  stroke-dashoffset: 119.38;
}
.charge-pill__pct {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 600;
  color: var(--energy-green);
  font-variant-numeric: tabular-nums;
}

/* On light surfaces */
.charge-pill--light {
  background: var(--white);
  border-color: var(--line);
}
.charge-pill--light .charge-pill__label { color: var(--black); }
.charge-pill--light .charge-pill__state,
.charge-pill--light .charge-pill__pct,
.charge-pill--light .charge-pill__mark { color: var(--green-dark); }
.charge-pill--light .charge-pill__track { stroke: rgba(16, 19, 19, 0.12); }
.charge-pill--light .charge-pill__fill { stroke: var(--green-dark); }

@media (prefers-reduced-motion: reduce) {
  .charge-pill__mark { animation: none !important; }
}

/* Compact page hero for interior pages */
.page-hero {
  position: relative;
  padding-top: clamp(150px, 18vw, 230px);
  padding-bottom: clamp(50px, 7vw, 110px);
  color: var(--white);
  background: var(--black);
  overflow: hidden;
}
.page-hero__media { position: absolute; inset: 0; z-index: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.72; }
.page-hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(16,19,19,0.72) 0%, rgba(16,19,19,0.42) 45%, rgba(16,19,19,0.86) 100%);
}
.page-hero__inner { position: relative; z-index: 2; }
.page-hero__copy { max-width: 52ch; color: rgba(255, 255, 255, 0.82); margin-top: 24px; font-size: 19px; }
.page-hero__meta {
  display: flex; flex-wrap: wrap; gap: 12px 34px;
  margin-top: 34px; padding-top: 22px;
  border-top: 1px solid var(--line-light);
}
.page-hero__meta li {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.13em; text-transform: uppercase; color: rgba(255,255,255,0.72);
}

/* --- 8. CARDS AND EDITORIAL BLOCKS --------------------------------------- */

/* Brand statement */
.statement { display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr); gap: clamp(24px, 5vw, 80px); }
.statement__title { font-size: clamp(26px, 3.4vw, 46px); font-family: var(--font-display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; margin: 0 0 26px; }
.statement__body { max-width: 62ch; color: var(--text-muted); font-size: 19px; }
.statement__body strong { color: var(--black); font-weight: 600; }

/* Solution cards, deliberately uneven heights */
.solutions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
.solution-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--charcoal);
  color: var(--white);
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 460px;
  isolation: isolate;
}
.solution-card:nth-child(2) { min-height: 540px; margin-top: clamp(0px, 4vw, 56px); }
.solution-card:nth-child(3) { min-height: 500px; }
.solution-card img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.solution-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(16,19,19,0.05) 30%, rgba(16,19,19,0.86) 100%);
}
.solution-card:hover img { transform: scale(1.05); }
.solution-card__body { padding: clamp(22px, 2.6vw, 34px); }
.solution-card__title { font-size: clamp(24px, 2.4vw, 34px); margin: 0 0 12px; letter-spacing: -0.03em; }
.solution-card__copy { color: rgba(255, 255, 255, 0.78); font-size: 16px; margin-bottom: 20px; max-width: 34ch; }
.solution-card__num {
  position: absolute; top: 22px; left: 24px; z-index: 1;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em;
  color: var(--energy-green);
}
/* One card carries the lime fill so the accent stays restrained */
.solution-card--accent { background: var(--energy-green); color: var(--black); }
.solution-card--accent::after { display: none; }
.solution-card--accent img { display: none; }
.solution-card--accent .solution-card__copy { color: rgba(16, 19, 19, 0.72); }
.solution-card--accent .solution-card__num { color: var(--green-dark); }

/* Need cards */
.need-card {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  min-height: 320px;
  display: flex; align-items: flex-end;
  color: var(--white);
  background: var(--charcoal);
}
.need-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.need-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,19,19,0.1) 40%, rgba(16,19,19,0.85) 100%); }
.need-card:hover img { transform: scale(1.06); }
.need-card__body { position: relative; z-index: 2; padding: 24px; width: 100%; }
.need-card__title { font-size: 22px; margin: 0 0 6px; letter-spacing: -0.03em; }
.need-card__watts { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--energy-green); }
.need-card__pick { display: block; font-size: 14.5px; color: rgba(255, 255, 255, 0.78); margin-top: 10px; }

/* Plain feature card on light backgrounds */
.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: clamp(24px, 2.4vw, 34px);
  display: flex; flex-direction: column; gap: 12px;
}
.feature-card__title { font-size: 21px; letter-spacing: -0.025em; margin: 0; }
.feature-card__copy { color: var(--text-muted); font-size: 16px; margin: 0; }
.feature-card--fill { background: var(--off-white); border-color: transparent; }
.feature-card--accent { background: var(--energy-green); border-color: transparent; }
.feature-card--accent .feature-card__copy { color: rgba(16, 19, 19, 0.7); }
.band-dark .feature-card { background: var(--charcoal); border-color: rgba(255,255,255,0.1); }
.band-dark .feature-card__copy { color: rgba(255, 255, 255, 0.66); }

/* Checklist */
.check-list { display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 16.5px; }
.check-list li::before {
  content: ""; flex-shrink: 0; margin-top: 8px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--energy-green);
  box-shadow: 0 0 0 3px rgba(217, 255, 114, 0.28);
}

/* --- 9. PRODUCTS --------------------------------------------------------- */

.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); }
.product-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.product-card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 26px 60px rgba(16, 19, 19, 0.12); border-color: transparent; }
.product-card[hidden] { display: none; }

.product-card__media { position: relative; display: block; aspect-ratio: 1 / 1; background: var(--off-white); overflow: hidden; }
.product-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.product-card:hover .product-card__img { transform: scale(1.04); }

.product-card__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card__body .mono-label { margin-bottom: 10px; }
.product-card__name { font-size: 21px; letter-spacing: -0.03em; margin: 0 0 10px; }
.product-card__blurb { font-size: 15px; color: var(--text-muted); line-height: 1.55; margin: 0 0 18px; }

.spec-strip { display: flex; gap: 22px; margin: 0 0 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.spec-strip dt { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.11em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.spec-strip dd { margin: 0; font-size: 14.5px; font-weight: 600; }

.product-card__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.product-card__price { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.03em; margin: 0; }

.band-dark .product-card { background: var(--charcoal); border-color: rgba(255,255,255,0.1); color: var(--white); }
.band-dark .product-card__blurb { color: rgba(255,255,255,0.62); }
.band-dark .spec-strip { border-top-color: rgba(255,255,255,0.14); }
.band-dark .product-card .btn--dark { background: var(--energy-green); color: var(--black); }

/* Shop controls */
.shop-controls {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 18px; padding: 22px 0; margin-bottom: clamp(24px, 3vw, 44px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  position: sticky; top: 74px; z-index: 40;
  background: var(--white);
}
.filter-list { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 14.5px; font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.filter-btn:hover { border-color: var(--black); }
.filter-btn.is-active { background: var(--black); color: var(--white); border-color: var(--black); }

.sort-wrap { display: flex; align-items: center; gap: 10px; }
.sort-wrap label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.sort-wrap select {
  padding: 10px 34px 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--white) url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23101313' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center / 15px;
  font-size: 14.5px;
  appearance: none; -webkit-appearance: none;
  cursor: pointer;
}
.result-count { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.empty-state { padding: 60px 0; text-align: center; color: var(--text-muted); }

/* --- Product detail --- */
.pdp { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(30px, 5vw, 80px); align-items: start; }

.gallery__main {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--off-white);
}
.gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumbs { display: flex; gap: 12px; margin-top: 14px; }
.gallery__thumb {
  width: 88px; height: 88px; padding: 0;
  border: 1px solid var(--line); border-radius: var(--r-sm);
  overflow: hidden; background: var(--off-white); cursor: pointer;
  transition: border-color 0.2s var(--ease);
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb.is-active { border-color: var(--black); border-width: 2px; }

.pdp__title { font-size: clamp(34px, 4.4vw, 62px); letter-spacing: -0.04em; margin: 12px 0 18px; text-transform: uppercase; font-family: var(--font-display); font-weight: 800; line-height: 0.92; }
.pdp__price { font-family: var(--font-display); font-size: 30px; font-weight: 700; letter-spacing: -0.03em; margin: 0 0 6px; }
.pdp__blurb { font-size: 18.5px; color: var(--text-muted); margin: 20px 0 28px; max-width: 46ch; }
.pdp__specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; margin-bottom: 28px; }
.pdp__specs > div { background: var(--white); padding: 18px 20px; }
.pdp__specs dt { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.pdp__specs dd { margin: 0; font-size: 16.5px; font-weight: 600; letter-spacing: -0.01em; }
.pdp__actions { display: grid; gap: 12px; }
.pdp__reassure { margin-top: 22px; display: grid; gap: 10px; }
.pdp__reassure li { display: flex; gap: 10px; font-size: 14.5px; color: var(--text-muted); }
.pdp__reassure li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--energy-green); margin-top: 8px; flex-shrink: 0; }

.placeholder-note {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.07em;
  color: var(--text-muted); border-left: 2px solid var(--energy-green);
  padding: 8px 0 8px 14px; margin: 26px 0 0; line-height: 1.5;
}

.runtime-table { width: 100%; border-collapse: collapse; }
.runtime-table th, .runtime-table td { text-align: left; padding: 18px 0; border-bottom: 1px solid var(--line); }
.runtime-table th { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; }
.runtime-table td { font-size: 17px; }
.runtime-table td:last-child { text-align: right; font-weight: 600; font-family: var(--font-display); letter-spacing: -0.02em; }

/* FAQ accordion */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 26px 0; background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--font-display); font-size: clamp(19px, 1.9vw, 25px); font-weight: 700; letter-spacing: -0.025em;
}
.faq__icon { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; left: 0; top: 9px; width: 20px; height: 2px; background: currentColor;
  transition: transform 0.3s var(--ease);
}
.faq__icon::after { transform: rotate(90deg); }
.faq__q[aria-expanded="true"] .faq__icon::after { transform: rotate(0deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq__a > div { padding: 0 0 28px; max-width: 68ch; color: var(--text-muted); }

/* --- 10. SYSTEM FINDER --------------------------------------------------- */

.finder { background: var(--black); color: var(--white); border-radius: var(--r-lg); overflow: hidden; }
.finder__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
.finder__panel { padding: clamp(28px, 4vw, 60px); display: flex; flex-direction: column; }
.finder__panel + .finder__panel { border-left: 1px solid rgba(255,255,255,0.12); background: var(--charcoal); }
.finder__note {
  margin: auto 0 0;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.5);
  max-width: 52ch;
}

.finder__step { margin-bottom: 34px; }
.finder__step:last-child { margin-bottom: 0; }
.finder__legend { display: block; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--energy-green); margin-bottom: 16px; padding: 0; }

.chip-set { display: flex; flex-wrap: wrap; gap: 10px; border: 0; padding: 0; margin: 0; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip span {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 20px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--r-pill);
  font-size: 15px; cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.chip span::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255,255,255,0.3); transition: background 0.2s var(--ease);
}
.chip input:checked + span { background: var(--energy-green); color: var(--black); border-color: var(--energy-green); }
.chip input:checked + span::before { background: var(--green-dark); }
.chip input:focus-visible + span { outline: 3px solid var(--energy-green); outline-offset: 3px; }
.chip span:hover { border-color: rgba(255,255,255,0.55); }
.chip input:checked + span:hover { border-color: var(--energy-green); }
.chip__watt { font-family: var(--font-mono); font-size: 10.5px; opacity: 0.6; letter-spacing: 0.06em; }

.finder__readout { display: grid; gap: 18px; }
.readout-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.readout-row dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.6); }
.readout-row dd { margin: 0; font-family: var(--font-display); font-size: 26px; font-weight: 700; letter-spacing: -0.03em; }

.finder__result { margin-top: 26px; padding: 26px; border-radius: var(--r-md); background: var(--energy-green); color: var(--black); }
.finder__result .mono-label { color: var(--green-dark); }
.finder__product { font-family: var(--font-display); font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; letter-spacing: -0.035em; line-height: 1; margin: 0 0 12px; text-transform: uppercase; }
.finder__runtime { font-size: 15px; color: rgba(16,19,19,0.72); margin: 0 0 20px; }
.finder__empty { color: rgba(255,255,255,0.55); font-size: 15.5px; margin-top: 24px; }

/* --- 11. STEPS, USE CASES, METRICS --------------------------------------- */

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); counter-reset: step; }
.step { padding-top: 26px; border-top: 2px solid var(--black); }
.step__num { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.16em; color: var(--text-muted); margin-bottom: 60px; display: block; }
.step__title { font-size: clamp(20px, 1.9vw, 26px); letter-spacing: -0.03em; margin: 0 0 10px; }
.step__copy { font-size: 15.5px; color: var(--text-muted); margin: 0; }
.band-dark .step { border-top-color: var(--energy-green); }
.band-dark .step__copy, .band-dark .step__num { color: rgba(255,255,255,0.6); }

.usecase-scroller { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--gap); }
.usecase {
  position: relative; border-radius: var(--r-md); overflow: hidden;
  aspect-ratio: 3 / 4; display: flex; align-items: flex-end;
  color: var(--white); background: var(--charcoal);
}
.usecase img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.usecase::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,19,19,0) 45%, rgba(16,19,19,0.88) 100%); }
.usecase:hover img { transform: scale(1.06); }
.usecase__body { position: relative; z-index: 2; padding: 22px; }
.usecase__title { font-size: 19px; letter-spacing: -0.03em; margin: 0 0 6px; }
.usecase__copy { font-size: 13.5px; color: rgba(255,255,255,0.72); margin: 0; }

/* Full bleed local band with overlapping metric cards */
.local-band { position: relative; min-height: clamp(520px, 62vw, 780px); display: flex; align-items: flex-end; overflow: hidden; color: var(--white); background: var(--charcoal); }
.local-band__media { position: absolute; inset: 0; }
.local-band__media img { width: 100%; height: 100%; object-fit: cover; }
.local-band__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,19,19,0.35) 0%, rgba(16,19,19,0.05) 40%, rgba(16,19,19,0.8) 100%); }
.local-band__inner { position: relative; z-index: 2; width: 100%; padding-top: clamp(80px, 12vw, 160px); padding-bottom: clamp(40px, 5vw, 70px); }
.local-band__headline { max-width: 16ch; margin-bottom: clamp(30px, 4vw, 54px); }
.metric-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 900px; }
.metric-card { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-radius: var(--r-md); padding: 22px; }
.metric-card__key { font-family: var(--font-display); font-size: clamp(20px, 2vw, 28px); font-weight: 800; letter-spacing: -0.02em; text-transform: uppercase; margin: 0 0 6px; color: var(--energy-green); }
.metric-card__val { font-size: 15px; color: rgba(255,255,255,0.84); margin: 0; }

/* --- 12. TESTIMONIAL ----------------------------------------------------- */

.testimonial { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 80px); align-items: center; }
.testimonial__media { position: relative; border-radius: var(--r-lg); aspect-ratio: 4 / 5; background: var(--light-gray); }
.testimonial__img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.testimonial__media .data-card--float { right: -18px; bottom: 28px; width: 230px; }
.testimonial__mark { font-family: var(--font-display); font-size: 90px; line-height: 0.6; color: var(--energy-green); display: block; margin-bottom: 12px; }
.testimonial blockquote p { font-family: var(--font-display); font-size: clamp(24px, 2.9vw, 42px); font-weight: 700; letter-spacing: -0.035em; line-height: 1.12; margin: 0 0 28px; }
.testimonial figcaption { display: flex; flex-direction: column; gap: 4px; }
.testimonial__name { font-weight: 600; font-size: 16.5px; }
.testimonial__role { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.band-dark .testimonial__role { color: rgba(255,255,255,0.6); }

/* --- 13. LEARN ----------------------------------------------------------- */

.article-card {
  display: flex; flex-direction: column;
  border-radius: var(--r-md); overflow: hidden;
  background: var(--white); border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.article-card:hover { transform: translateY(-6px); box-shadow: 0 24px 54px rgba(16,19,19,0.12); }
.article-card[hidden] { display: none; }
.article-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--off-white); }
.article-card__media img { width: 100%; height: 100%; object-fit: cover; }
.article-card__body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; gap: 10px; }
.article-card__title { font-size: 21px; letter-spacing: -0.03em; margin: 0; }
.article-card__excerpt { font-size: 15px; color: var(--text-muted); margin: 0; }
.article-card__meta { margin-top: auto; padding-top: 16px; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); border-top: 1px solid var(--line); }

/* --- 14. CTA BAND -------------------------------------------------------- */

.cta-band { position: relative; overflow: hidden; color: var(--white); background: var(--black); padding-top: clamp(80px, 10vw, 150px); padding-bottom: clamp(80px, 10vw, 150px); }
.cta-band__media { position: absolute; inset: 0; z-index: 0; }
.cta-band__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.cta-band__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(16,19,19,0.9) 20%, rgba(16,19,19,0.45) 100%); }
.cta-band__inner { position: relative; z-index: 2; }
.cta-band__headline { max-width: 16ch; margin-bottom: 24px; }
.cta-band__copy { max-width: 44ch; font-size: 19px; color: rgba(255,255,255,0.8); margin-bottom: 32px; }

/* --- 15. FORMS ----------------------------------------------------------- */

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.field input, .field select, .field textarea {
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--white);
  font-size: 16px;
  transition: border-color 0.2s var(--ease);
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--black); }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23101313' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; background-size: 16px; }

.radio-row { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-pill input { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-pill span { display: inline-block; padding: 12px 20px; border: 1px solid var(--line); border-radius: var(--r-pill); cursor: pointer; font-size: 15px; transition: background 0.2s var(--ease), border-color 0.2s var(--ease); }
.radio-pill input:checked + span { background: var(--black); color: var(--white); border-color: var(--black); }
.radio-pill input:focus-visible + span { outline: 3px solid var(--energy-green); outline-offset: 3px; }

.form-status { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; color: var(--green-dark); margin: 12px 0 0; min-height: 18px; }
.site-footer .form-status { color: var(--energy-green); }

.signup-form { display: flex; gap: 10px; }
.signup-form input {
  flex: 1; min-width: 0;
  padding: 16px 20px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.06);
  color: var(--white);
}
.signup-form input::placeholder { color: rgba(255,255,255,0.45); }

/* --- 16. FOOTER ---------------------------------------------------------- */

.site-footer { position: relative; background: var(--black); color: var(--white); padding-top: clamp(64px, 8vw, 120px); overflow: hidden; }

.footer-top { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); padding-bottom: clamp(44px, 6vw, 80px); border-bottom: 1px solid var(--line-light); }
.footer-headline { font-size: clamp(30px, 4vw, 58px); letter-spacing: -0.035em; line-height: 1; margin: 0 0 18px; max-width: 15ch; }
.footer-note { color: rgba(255,255,255,0.62); max-width: 46ch; font-size: 16.5px; }
.footer-signup { align-self: end; }
.footer-signup__label { font-size: 15.5px; color: rgba(255,255,255,0.62); margin-bottom: 16px; }

.footer-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); padding: clamp(40px, 5vw, 70px) 0; }
.footer-col__title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--energy-green); margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.72); font-size: 15.5px; transition: color 0.2s var(--ease); }
.footer-col a:hover { color: var(--white); }
.footer-col__plain li { color: rgba(255,255,255,0.72); font-size: 15.5px; }

/* Qualified with .footer-col so it outranks the .footer-col ul grid rule. */
.footer-col .social { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.footer-col .social a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-light);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.78);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.footer-col .social svg { width: 17px; height: 17px; }
.footer-col .social a:hover { background: var(--energy-green); color: var(--black); border-color: var(--energy-green); }

.footer-col--badges { display: grid; gap: 12px; align-content: start; }
.badge-card { border: 1px solid var(--line-light); border-radius: var(--r-md); padding: 18px 20px; }
.badge-card .mono-label { margin-bottom: 8px; }
.badge-card__text { font-family: var(--font-display); font-size: 19px; font-weight: 700; letter-spacing: -0.025em; margin: 0; }

.footer-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding: 26px 0 clamp(50px, 8vw, 90px); border-top: 1px solid var(--line-light); font-size: 14px; color: rgba(255,255,255,0.5); }
.footer-legal ul { display: flex; gap: 22px; }
.footer-legal a:hover { color: var(--white); }

.footer-wordmark {
  position: relative;
  line-height: 0.72;
  overflow: hidden;
  height: clamp(58px, 10vw, 150px);
  pointer-events: none;
}
.footer-wordmark span {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(84px, 17.4vw, 300px);
  font-variation-settings: "wdth" 120, "wght" 800;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.09);
  white-space: nowrap;
  text-align: center;
}

/* --- 17. PAGE SPECIFIC --------------------------------------------------- */

/* Comparison cards, used on home backup and business */
.compare-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); align-items: stretch; }
.compare-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: clamp(26px, 2.6vw, 38px); background: var(--white);
}
.compare-card--highlight { background: var(--black); color: var(--white); border-color: var(--black); }
.compare-card--highlight .compare-card__spec { border-color: rgba(255,255,255,0.14); }
.compare-card--highlight .compare-card__spec dt { color: rgba(255,255,255,0.55); }
.compare-card__tier { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; }
.compare-card--highlight .compare-card__tier { color: var(--energy-green); }
.compare-card__name { font-size: clamp(24px, 2.4vw, 34px); letter-spacing: -0.035em; text-transform: uppercase; margin: 0 0 12px; }
.compare-card__copy { font-size: 15.5px; color: var(--text-muted); margin: 0 0 24px; }
.compare-card--highlight .compare-card__copy { color: rgba(255,255,255,0.66); }
.compare-card__specs { display: grid; gap: 0; margin: 0 0 26px; }
.compare-card__spec { display: flex; justify-content: space-between; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.compare-card__spec dt { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); align-self: center; }
.compare-card__spec dd { margin: 0; font-size: 15px; font-weight: 600; text-align: right; }
.compare-card .btn { margin-top: auto; }

/* CSS solar flow diagram */
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.flow__node {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 26px 22px; background: var(--white);
  display: flex; flex-direction: column; gap: 8px; min-height: 190px;
}
.flow__node::after {
  content: ""; position: absolute; right: -14px; top: 50%; z-index: 2;
  width: 14px; height: 2px; background: var(--energy-green);
}
.flow__node:last-child::after { display: none; }
.flow__icon { width: 40px; height: 40px; border-radius: 50%; background: var(--energy-green); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.flow__title { font-size: 19px; letter-spacing: -0.025em; margin: 0; }
.flow__copy { font-size: 14.5px; color: var(--text-muted); margin: 0; }
.band-dark .flow__node { background: var(--charcoal); border-color: rgba(255,255,255,0.12); }
.band-dark .flow__copy { color: rgba(255,255,255,0.62); }

/* Simple stat row */
.stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); }
.stat { border-top: 2px solid var(--black); padding-top: 22px; }
.stat__num { font-family: var(--font-display); font-size: clamp(34px, 4vw, 62px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; margin: 0 0 8px; }
.stat__label { font-size: 15.5px; color: var(--text-muted); margin: 0; }
.band-dark .stat { border-top-color: var(--energy-green); }

/* Contact info panel */
.info-panel { background: var(--off-white); border-radius: var(--r-lg); padding: clamp(26px, 3vw, 40px); display: grid; gap: 26px; align-content: start; }
.info-item__label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.info-item__value { font-size: 17.5px; font-weight: 500; margin: 0; }
.map-placeholder {
  border-radius: var(--r-lg); overflow: hidden; background: var(--light-gray);
  aspect-ratio: 16 / 10; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted); text-align: center; padding: 20px;
  border: 1px dashed rgba(16,19,19,0.2);
}

/* Editorial numbered list used on about */
.timeline { display: grid; gap: 0; }
.timeline__item { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: clamp(16px, 3vw, 50px); padding: clamp(24px, 3vw, 40px) 0; border-top: 1px solid var(--line); }
.timeline__item:last-child { border-bottom: 1px solid var(--line); }
.timeline__key { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); padding-top: 6px; }
.timeline__title { font-size: clamp(22px, 2.4vw, 32px); letter-spacing: -0.03em; margin: 0 0 10px; }
.timeline__copy { color: var(--text-muted); max-width: 62ch; margin: 0; }