/* VentPlus homepage (2026-10-21). Only index.html loads this file; inner pages use style.css.
   Layout: the live site's paper-and-forest identity, rebuilt sales-first.
   Fold 1 = USP text left, product + price + Buy right (stacked on phones).
   Fold 2 = the explainer video. The story and detail follow. */
:root {
  --paper: #f6f3ea;
  --paper-deep: #ece6d4;
  --card: #fffdf7;
  --ink: #16352a;
  --ink-soft: #3d5a4d;
  --ink-faint: #6b7f74;
  --line: rgba(22, 53, 42, .14);
  --leaf: #4f9d69;
  --leaf-bright: #7ac142;
  --key: #f2c230;
  --key-deep: #d9a915;
  --danger: #b5432f;
  --lcd: #1d47c9;
  --lcd-glow: #2f5ff0;
  --lcd-text: #e8efff;
  --on-ink: #f6f3ea;
  --on-ink-soft: #c9d6cd;

  --font-display: "Archivo", "Segoe UI", system-ui, sans-serif;
  --font-body: "Schibsted Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
  --font-lcd: "VT323", "IBM Plex Mono", monospace;

  --radius: 18px;
  --maxw: 1180px;
  --bar-h: 64px;
  --amber-deep: #c97e1b;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--paper);
}
img, video { max-width: 100%; display: block; }
picture { display: contents; }
a { color: inherit; }
h1, h2, h3 { text-wrap: balance; margin: 0; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--leaf-bright); outline-offset: 3px; border-radius: 6px; }
sub { font-size: .7em; line-height: 0; }

.wrap {
  width: 100%;
  max-width: calc(var(--maxw) + 2 * max(16px, env(safe-area-inset-left, 0px)));
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) {
  .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); }
}
.eyebrow {
  font: 500 .75rem/1.3 var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase; color: var(--leaf);
}
.section { padding-block: clamp(2.5rem, 4vw, 3rem) clamp(3rem, 7vw, 5.5rem); }
.section-head { display: grid; gap: .75rem; max-width: 46rem; margin-bottom: clamp(1.75rem, 4vw, 2.75rem); }
.section-title { font: 650 clamp(1.75rem, 3.6vw, 2.6rem)/1.12 var(--font-display); letter-spacing: -.01em; }
.section-sub { color: var(--ink-soft); font-size: 1.05rem; max-width: 40rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 52px; padding: .8rem 1.4rem; border-radius: 999px;
  font: 700 1rem/1.1 var(--font-body); text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-buy { background: var(--key); color: var(--ink); box-shadow: 0 2px 0 var(--key-deep); }
.btn-buy:hover { background: #f7cd45; transform: translateY(-1px); }
.btn-ink { background: var(--ink); color: var(--on-ink); }
.btn-ink:hover { background: #0f281f; }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: rgba(22, 53, 42, .06); }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn-buy:hover { transform: none; } }

/* ---------- header ---------- */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(246, 243, 234, .94);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 1rem; min-height: var(--bar-h); }
.logo img { height: 34px; width: auto; }
.nav { display: none; gap: 1.2rem; margin-left: 1.25rem; }
.nav a { text-decoration: none; font-weight: 500; font-size: .95rem; color: var(--ink-soft); white-space: nowrap; }
.nav a:hover { color: var(--ink); }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: .6rem; }
.call {
  display: inline-flex; align-items: center; gap: .55rem; text-decoration: none;
  padding: .4rem .85rem .4rem .45rem; border-radius: 999px; border: 1.5px solid var(--ink);
  line-height: 1.1;
}
.call-ico {
  width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: var(--key);
  display: grid; place-items: center; flex: none;
}
.call-ico svg { width: 15px; height: 15px; }
.call-txt { display: grid; }
.call-txt small { font: 500 .62rem/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.call-txt strong { font: 700 .95rem/1.2 var(--font-body); font-variant-numeric: tabular-nums; white-space: nowrap; }
.top .btn-buy { display: none; min-height: 44px; padding: .55rem 1.1rem; font-size: .95rem; }
@media (max-width: 380px) { .logo img { height: 28px; } .call { padding-right: .6rem; } .call-txt strong { font-size: .86rem; } }
@media (min-width: 760px) { .top .btn-buy { display: inline-flex; } }
@media (min-width: 1280px) { .nav { display: flex; } }

/* menu button + drop-down (below 1280px, where the inline nav is hidden) */
.menu-btn {
  display: inline-grid; place-items: center; flex: none; width: 44px; height: 44px; padding: 0;
  border-radius: 12px; border: 1.5px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer;
}
.menu-btn svg { width: 22px; height: 22px; }
.menu-btn .x, .top.menu-open .menu-btn .bars { display: none; }
.top.menu-open .menu-btn .x { display: block; }
.nav .nav-extra { display: none; }
@media (max-width: 1279px) {
  .top.menu-open .nav {
    display: grid; position: absolute; top: 100%; left: 0; right: 0; margin: 0; gap: 0;
    background: var(--card); border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px -18px rgba(22, 53, 42, .45);
    padding: .25rem max(16px, env(safe-area-inset-right, 0px)) .75rem max(16px, env(safe-area-inset-left, 0px));
    max-height: calc(100vh - var(--bar-h)); overflow-y: auto;
  }
  .top.menu-open .nav a { display: block; padding: .85rem .25rem; border-bottom: 1px solid var(--line); font-size: 1.02rem; color: var(--ink); }
  .top.menu-open .nav a:last-child { border-bottom: 0; }
  .top.menu-open .nav a[data-maker-link] { order: -1; }
  /* the open menu must not sit under the WhatsApp button or the phone buy bar */
  body.menu-open .wa-fab, body.menu-open .wa-panel { display: none !important; }
}
@media (max-width: 759px) {
  .top.menu-open .nav { max-height: calc(100vh - var(--bar-h) - 84px - env(safe-area-inset-bottom, 0px)); }
}
@media (min-width: 1280px) { .menu-btn { display: none; } }
@media (max-width: 400px) {
  .top .wrap { gap: .5rem; }
  .top-actions { gap: .45rem; }
  .menu-btn { width: 40px; height: 40px; }
  .call { padding: .3rem .6rem .3rem .3rem; gap: .4rem; }
  .call-ico { width: 26px; height: 26px; }
}

/* ---------- hero (fold 1) ---------- */
.hero { padding-block: clamp(1.75rem, 4.5vw, 3.75rem) clamp(2.5rem, 5vw, 4rem); position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: auto -10% -40% 40%; height: 70%;
  background: radial-gradient(closest-side, rgba(122, 193, 66, .16), transparent);
  pointer-events: none;
}
.hero-grid { display: grid; gap: clamp(1.75rem, 4vw, 3.5rem); align-items: center; position: relative; z-index: 1; }
@media (min-width: 920px) { .hero-grid { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); } }
.hero-text { display: grid; gap: 1.15rem; min-width: 0; }
.hero h1 {
  font: 650 clamp(2rem, 5vw, 3.45rem)/1.06 var(--font-display);
  letter-spacing: -.02em;
}
.hero h1 .on { color: var(--danger); font-style: italic; }
.hero h1 .off { color: var(--leaf); font-style: italic; }
.lede { font-size: clamp(1.02rem, 1.6vw, 1.15rem); color: var(--ink-soft); max-width: 36rem; }
.usp { list-style: none; margin: .25rem 0 0; padding: 0; display: grid; gap: .65rem; grid-template-columns: 1fr 1fr; }
@media (min-width: 560px) { .usp { gap: .8rem 1.1rem; } }
.usp li {
  display: grid; gap: .25rem; align-content: start;
  padding: .8rem .9rem; border-radius: 14px; background: var(--card); border: 1px solid var(--line);
  min-width: 0;
}
.usp b { font: 500 .78rem/1.2 var(--font-mono); letter-spacing: .02em; color: var(--leaf); }
.usp span { font-size: .9rem; line-height: 1.4; }
.trust { display: flex; flex-wrap: wrap; gap: .4rem 1rem; font: 500 .74rem/1.4 var(--font-mono); letter-spacing: .04em; color: var(--ink-faint); text-transform: uppercase; }
.trust span { display: inline-flex; align-items: center; gap: .4rem; }
.trust span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--leaf-bright); }

/* buy box */
.buybox {
  background: var(--card); border: 1px solid var(--line); border-radius: 26px;
  box-shadow: 0 24px 60px -30px rgba(22, 53, 42, .45);
  overflow: hidden; display: grid; min-width: 0;
}
.buybox-media { position: relative; background: #efe7d6; }
.buybox-media img { width: 100%; height: auto; aspect-ratio: 900 / 876; object-fit: cover; }
.lcdchip {
  position: absolute; left: 14px; bottom: 14px;
  background: var(--lcd); color: var(--lcd-text); border-radius: 10px;
  padding: .45rem .75rem .5rem; box-shadow: 0 0 0 3px rgba(255, 255, 255, .85), 0 10px 24px -8px rgba(29, 71, 201, .6);
  font-family: var(--font-lcd); line-height: 1; display: grid; gap: .15rem; min-width: 150px;
}
.lcdchip .lbl { font-size: 1rem; opacity: .85; }
.lcdchip .val { font-size: 2.1rem; font-variant-numeric: tabular-nums; }
.lcdchip .fan { font-size: 1.05rem; display: flex; align-items: center; gap: .4rem; }
.lcdchip .dot { width: 9px; height: 9px; border-radius: 50%; background: #ff5a4a; box-shadow: 0 0 8px #ff5a4a; }
.lcdchip[data-fan="off"] .dot { background: #63e08a; box-shadow: 0 0 8px #63e08a; }
.stock-tag {
  position: absolute; top: 14px; right: 14px; background: var(--ink); color: var(--on-ink);
  font: 500 .68rem/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase;
  padding: .5rem .7rem; border-radius: 999px;
}
.buybox-body { padding: 1.3rem 1.3rem 1.4rem; display: grid; gap: .85rem; }
.model { font: 500 .74rem/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.buybox h2 { font: 650 1.35rem/1.2 var(--font-display); }
.price { display: flex; align-items: baseline; flex-wrap: wrap; gap: .25rem .7rem; }
.price strong { font: 700 1.9rem/1 var(--font-display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.price span { color: var(--ink-soft); font-size: .88rem; }
.buy-actions { display: grid; gap: .6rem; }
.buy-actions .btn { width: 100%; }
.addon {
  display: flex; gap: .8rem; align-items: center; text-decoration: none;
  padding: .7rem .8rem; border-radius: 14px; background: var(--paper); border: 1px dashed rgba(22, 53, 42, .28);
}
.addon img { width: 52px; height: 52px; object-fit: cover; border-radius: 10px; flex: none; }
.addon span { font-size: .88rem; line-height: 1.35; color: var(--ink-soft); }
.addon b { color: var(--ink); }
.box-note { font-size: .8rem; color: var(--ink-faint); }

/* phone: product card goes horizontal so price + Buy land inside the first scroll */
@media (max-width: 919px) {
  .buybox { grid-template-columns: minmax(0, 132px) minmax(0, 1fr); border-radius: 22px; }
  .buybox-media { grid-row: 1; }
  .buybox-media img { height: 100%; aspect-ratio: auto; }
  .lcdchip, .stock-tag { display: none; }
  .buybox-body { grid-column: 1 / -1; grid-row: 2; padding: 1rem 1rem 1.15rem; }
  .buybox-head { grid-column: 2; grid-row: 1; padding: 1rem 1rem .9rem 1.1rem; display: grid; gap: .45rem; align-content: center; }
  .buybox h2 { font-size: 1.08rem; }
  .price strong { font-size: 1.5rem; }
}
@media (min-width: 920px) {
  .buybox-head { padding: 1.3rem 1.3rem 0; display: grid; gap: .5rem; }
  .buybox-body { padding-top: .9rem; }
}

/* ---------- video (fold 2) ---------- */
.watch { background: var(--ink); color: var(--on-ink); }
.watch .eyebrow { color: var(--leaf-bright); }
.watch-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (min-width: 860px) { .watch-grid { grid-template-columns: minmax(0, 720px) minmax(0, 1fr); } }
.phone {
  position: relative; width: 340px; max-width: 100%; margin-inline: auto;
  aspect-ratio: 9 / 16; border-radius: 34px; padding: 10px;
  background: #0b1d16; box-shadow: 0 0 0 1px rgba(255, 255, 255, .08), 0 40px 80px -30px rgba(0, 0, 0, .7);
  overflow: hidden; height: auto; min-height: 0;
}
.phone video {
  position: absolute; top: 10px; left: 10px;
  width: calc(100% - 20px); height: calc(100% - 20px); max-width: none;
  object-fit: contain; border-radius: 26px; background: #000;
}
/* the page sets el.hidden on the play overlay; without this, .play's display:grid wins and the
   invisible overlay keeps covering the video's own controls (pause, seek, volume) */
[hidden] { display: none !important; }
.play-label { margin-top: 1.1rem; }
.play {
  position: absolute; inset: 10px; border-radius: 26px; border: 0; cursor: pointer;
  display: grid; place-items: center; align-content: end; gap: .6rem; padding-bottom: 1.6rem;
  background: transparent;
  color: var(--on-ink); font: 700 1rem/1 var(--font-body);
}
.play-btn {
  width: 74px; height: 74px; border-radius: 50%; background: var(--key); color: var(--ink);
  display: grid; place-items: center; box-shadow: 0 0 0 10px rgba(242, 194, 48, .22);
  transition: transform .2s ease, box-shadow .2s ease;
}
.play:hover .play-btn { transform: scale(1.06); box-shadow: 0 0 0 14px rgba(242, 194, 48, .2); }
.play-btn svg { width: 28px; height: 28px; margin-left: 4px; }
.play small { font: 500 .72rem/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-ink-soft); }
@media (prefers-reduced-motion: reduce) { .play-btn { transition: none; } }
.watch-copy { display: grid; gap: 1.1rem; min-width: 0; justify-items: center; text-align: center; }
.watch-stack { display: grid; gap: clamp(1.5rem, 3vw, 2.25rem); justify-items: center; }
.watch-head { display: grid; gap: .75rem; text-align: center; justify-items: center; max-width: 44rem; }
.watch-cta { justify-content: center; }
section[id], aside[id] { scroll-margin-top: calc(var(--bar-h) + env(safe-area-inset-top, 0px)); }
.watch .section-title { color: var(--on-ink); }
.watch .section-sub { color: var(--on-ink-soft); }
.chapters { list-style: none; margin: .3rem 0 0; padding: 0; display: grid; gap: .45rem; }
.chapters button {
  width: 100%; display: block;
  text-align: left; cursor: pointer; padding: .7rem .9rem; border-radius: 12px;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); color: var(--on-ink);
  font: 400 .97rem/1.4 var(--font-body);
}
.chapters button:hover { background: rgba(255, 255, 255, .1); }
.chapters button[aria-current="true"] { background: rgba(122, 193, 66, .16); border-color: rgba(122, 193, 66, .55); }
.watch-note { font-size: .82rem; color: var(--on-ink-soft); }
.watch-cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: .3rem; }
.watch .btn-line { color: var(--on-ink); border-color: rgba(246, 243, 234, .6); }
.watch .btn-line:hover { background: rgba(255, 255, 255, .08); }

/* ---------- why (the story, now below the product) ---------- */
.refrain {
  font: 600 clamp(1.5rem, 3.4vw, 2.3rem)/1.25 var(--font-display); font-style: italic; max-width: 50rem;
}
.refrain em { font-style: normal; color: var(--danger); }
.why-grid { display: grid; gap: 1.5rem; margin-top: clamp(1.75rem, 4vw, 2.5rem); }
@media (min-width: 900px) { .why-grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: stretch; } }
.chart-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.25rem 1rem; min-width: 0; }
.chart-card h3 { font: 600 1.05rem/1.3 var(--font-body); }
.chart-legend { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin: .5rem 0 .25rem; font-size: .85rem; color: var(--ink-soft); }
.chart-legend span { display: inline-flex; align-items: center; gap: .45rem; }
.chart-legend i { width: 18px; height: 3px; border-radius: 2px; display: inline-block; }
.chart-wrap { overflow-x: auto; }
.chart-wrap svg { width: 100%; min-width: 300px; height: auto; display: block; }
.chart-note { font-size: .78rem; color: var(--ink-faint); margin-top: .35rem; }
.stats { display: grid; gap: .75rem; }
.stat { padding: 1rem 1.1rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper-deep); display: grid; gap: .2rem; }
.stat b { font: 600 1.7rem/1.1 var(--font-display); font-variant-numeric: tabular-nums; }
.stat span { font-size: .92rem; color: var(--ink-soft); }
.stat cite { font: 500 .72rem/1.3 var(--font-mono); font-style: normal; color: var(--ink-faint); }

/* ---------- applications ---------- */
.apps { background: var(--paper-deep); }
.app-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }
.app {
  display: grid; grid-template-rows: auto 1fr; text-decoration: none; background: var(--card);
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease;
}
.app:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -26px rgba(22, 53, 42, .55); }
@media (prefers-reduced-motion: reduce) { .app { transition: none; } .app:hover { transform: none; } }
.app img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.app div { padding: 1rem 1.1rem 1.2rem; display: grid; gap: .35rem; align-content: start; }
.app h3 { font: 600 1.08rem/1.3 var(--font-body); }
.app p { font-size: .9rem; color: var(--ink-soft); }
.app .go { font: 500 .78rem/1 var(--font-mono); color: var(--leaf); margin-top: .3rem; }
.more-uses { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.more-uses a {
  text-decoration: none; font-size: .88rem; padding: .45rem .85rem; border-radius: 999px;
  background: var(--card); border: 1px solid var(--line);
}
.more-uses a:hover { border-color: var(--ink); }

/* ---------- how ---------- */
.how-grid { display: grid; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
@media (min-width: 860px) { .how-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); } }
.how-photo { margin: 0 auto; width: 100%; max-width: 420px; border-radius: var(--radius); overflow: hidden; background: var(--card); border: 1px solid var(--line); }
.how-photo img { width: 100%; height: auto; aspect-ratio: 800 / 1200; }
.how-photo figcaption { padding: .7rem 1rem; font-size: .82rem; color: var(--ink-faint); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 1rem; counter-increment: s; }
.steps li::before {
  content: counter(s); width: 2.6rem; height: 2.6rem; border-radius: 50%;
  display: grid; place-items: center; background: var(--ink); color: var(--key);
  font: 500 1rem/1 var(--font-mono);
}
.steps h3 { font: 600 1.1rem/1.3 var(--font-body); margin-bottom: .25rem; }
.steps p { color: var(--ink-soft); font-size: .97rem; }
.relay-note {
  margin-top: 1.4rem; padding: 1rem 1.1rem; border-radius: 14px; background: var(--paper-deep);
  font-size: .93rem; color: var(--ink-soft); display: flex; gap: .9rem; align-items: center;
}
.relay-note img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; flex: none; }

/* ---------- remote ---------- */
.remote { background: var(--card); border-block: 1px solid var(--line); }
.remote-grid { display: grid; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
@media (min-width: 860px) { .remote-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.browser { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 60px -36px rgba(22, 53, 42, .5); background: #fff; max-width: 480px; margin-inline: auto; width: 100%; }
.browser-bar { display: flex; align-items: center; gap: .4rem; padding: .55rem .75rem; background: var(--paper-deep); font: 500 .72rem/1 var(--font-mono); color: var(--ink-faint); }
.browser-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(22, 53, 42, .22); }
.browser-bar span { margin-left: .5rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.browser img { width: 100%; height: auto; aspect-ratio: 1074 / 1338; }
.ticks { list-style: none; padding: 0; margin: 1.2rem 0 1.5rem; display: grid; gap: .6rem; }
.ticks li { display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: .6rem; color: var(--ink-soft); }
.ticks li::before { content: ""; width: 1.1rem; height: 1.1rem; margin-top: .22rem; border-radius: 50%; background: var(--leaf) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 70% no-repeat; }

/* ---------- compare ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { padding: .8rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
@media (max-width: 600px) {
  table { font-size: .86rem; }
  th, td { padding: .65rem .6rem; }
  thead th { font-size: .64rem; letter-spacing: .04em; }
  #why-ventplus td:nth-child(2), #why-ventplus th:nth-child(2) { text-align: center; width: 4.6rem; }
  #why-ventplus td:nth-child(3), #why-ventplus th:nth-child(3) { width: 5.6rem; }
}
tr:last-child td { border-bottom: 0; }
thead th { font: 500 .74rem/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); background: var(--paper-deep); }
thead th.us { color: var(--ink); background: rgba(122, 193, 66, .2); }
td.us { background: rgba(122, 193, 66, .07); font-weight: 600; }
.yes { color: var(--leaf); font-weight: 700; }
.no { color: var(--danger); }

/* ---------- buy ---------- */
.buy { background: var(--ink); color: var(--on-ink); }
.buy .eyebrow { color: var(--leaf-bright); }
.buy .section-title { color: var(--on-ink); }
.buy .section-sub { color: var(--on-ink-soft); }
.plans { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.plan { background: var(--card); color: var(--ink); border-radius: 22px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.plan-img { background: #efe7d6; height: 260px; display: flex; align-items: center; justify-content: center; padding: 10px; }
.plan-img img { height: 240px; width: auto; max-width: 100%; object-fit: contain; border-radius: 12px; }
.plan-body { padding: 1.2rem 1.25rem 1.35rem; display: flex; flex-direction: column; gap: .6rem; }
.plan .price strong { font-size: 1.5rem; }
.plan .btn { margin-top: auto; }
.plan-body > .price + .btn { margin-top: auto; }
.plan-body p:not(.price) { margin-bottom: 0; }
.plan-tag { align-self: flex-start; font: 500 .68rem/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; padding: .4rem .6rem; border-radius: 999px; background: var(--paper-deep); color: var(--ink-soft); }
.plan-tag.main { background: var(--key); color: var(--ink); }
.plan h3 { font: 650 1.3rem/1.2 var(--font-display); }
.plan p { font-size: .92rem; color: var(--ink-soft); }
.plan .btn { width: 100%; }
.plan .price { margin-top: -.15rem; }
.plan-xr { height: 260px; display: grid; place-content: center; padding: 1.5rem 1.25rem; gap: .7rem; background: var(--paper-deep); text-align: left; }
.plan-xr .lcd-big { font-family: var(--font-lcd); background: var(--lcd); color: var(--lcd-text); border-radius: 12px; padding: .6rem .9rem; font-size: 2.6rem; line-height: 1; justify-self: start; }
.plan-xr .lcd-big small { font-size: 1.1rem; display: block; opacity: .85; }
.bulk { margin-top: 1.5rem; color: var(--on-ink-soft); font-size: .97rem; }
.bulk strong { color: var(--on-ink); font-variant-numeric: tabular-nums; }

/* ---------- specs + faq ---------- */
.two-col { display: grid; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 960px) { .two-col { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.specs table { min-width: 0; font-size: .92rem; }
.specs td:first-child { color: var(--ink-faint); width: 40%; }
.specs-grid { display: grid; gap: 2rem 2.5rem; align-items: start; }
@media (min-width: 900px) { .specs-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.specs-grid > div { min-width: 0; }
.specs .table-wrap { margin-top: 1rem; }
.specs h3 { font: 650 1.35rem/1.2 var(--font-display); }
.specs-note { margin-top: 1.25rem; font-size: .9rem; color: var(--ink-soft); }
.faq { max-width: 52rem; margin-inline: auto; }
#faq .section-head { margin-inline: auto; text-align: center; justify-items: center; }

/* downloads band */
.dl-band { background: #2e7449; color: #fff; }
.dl-inner { padding-block: clamp(2rem, 5vw, 3rem); display: grid; gap: 1.5rem; align-items: center; }
@media (min-width: 860px) { .dl-inner { grid-template-columns: minmax(0, 1fr) auto; } }
.dl-band .eyebrow { color: #eaf6dc; }
.dl-text h2 { font: 650 clamp(1.5rem, 3vw, 2.1rem)/1.15 var(--font-display); margin-top: .5rem; }
.dl-text p { margin-top: .4rem; color: #eef6ea; }
.dl-buttons { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); min-width: 0; }
@media (min-width: 860px) { .dl-buttons { grid-template-columns: repeat(2, 270px); } }
.dl-btn {
  display: flex; align-items: center; gap: .9rem; text-decoration: none;
  background: var(--card); color: var(--ink); border-radius: 16px; padding: .9rem 1.2rem .9rem .9rem;
  box-shadow: 0 3px 0 rgba(22, 53, 42, .35); transition: transform .15s ease, box-shadow .15s ease;
}
.dl-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 rgba(22, 53, 42, .35); }
@media (prefers-reduced-motion: reduce) { .dl-btn { transition: none; } .dl-btn:hover { transform: none; } }
.dl-ico { width: 48px; height: 48px; border-radius: 12px; background: var(--key); display: grid; place-items: center; flex: none; }
.dl-ico svg { width: 24px; height: 24px; }
.dl-txt { display: grid; gap: .15rem; }
.dl-txt b { font-size: 1.08rem; }
.dl-txt small { font: 500 .74rem/1.2 var(--font-mono); color: var(--ink-faint); letter-spacing: .04em; }
.faq { display: grid; gap: .6rem; margin-top: 1.25rem; }
details.q { background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
details.q summary {
  cursor: pointer; list-style: none; padding: 1rem 2.8rem 1rem 1.1rem; position: relative;
  font-weight: 600; line-height: 1.35;
}
details.q summary::-webkit-details-marker { display: none; }
details.q summary::after {
  content: "+"; position: absolute; right: 1.1rem; top: .85rem; font: 400 1.4rem/1 var(--font-mono); color: var(--leaf);
}
details.q[open] summary::after { content: "\2212"; }
details.q p { padding: 0 1.1rem 1.1rem; color: var(--ink-soft); font-size: .95rem; }

/* ---------- contact ---------- */
.contact { background: var(--paper-deep); }
.contact-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.contact-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.25rem; display: grid; gap: .35rem; align-content: start; }
.contact-card small { font: 500 .7rem/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.contact-card a, .contact-card strong { font-size: 1.12rem; font-weight: 700; text-decoration: none; font-variant-numeric: tabular-nums; }
.contact-card span { font-size: .9rem; color: var(--ink-soft); }
.contact-card.primary { background: var(--key); border-color: var(--key-deep); }
.contact-card.primary span, .contact-card.primary small { color: var(--ink); }

/* ---------- reviewer notes ---------- */
.notes { border: 2px dashed rgba(22, 53, 42, .3); border-radius: var(--radius); padding: clamp(1.2rem, 3vw, 2rem); background: var(--card); }
.notes h2 { font: 650 1.4rem/1.2 var(--font-display); margin-bottom: .8rem; }
.notes ol { margin: 0; padding-left: 1.2rem; display: grid; gap: .55rem; color: var(--ink-soft); }
.notes ol b { color: var(--ink); }

/* ---------- footer ---------- */
footer { background: var(--ink); color: var(--on-ink-soft); font-size: .9rem; }
.foot { padding-block: 2.75rem 1.75rem; display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
/* the logo's navy lettering needs a light plate on the dark footer */
.foot-logo { display: inline-block; background: var(--paper); border-radius: 12px; padding: .6rem .85rem; margin-bottom: 1rem; }
.foot-logo img { display: block; height: 44px; width: auto; }
.foot h3 { font: 500 .72rem/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--leaf-bright); margin-bottom: .75rem; }
.foot .col { display: grid; gap: .45rem; align-content: start; }
.foot .col a { text-decoration: none; color: var(--on-ink-soft); }
.foot .col a:hover { color: var(--on-ink); text-decoration: underline; }
.foot-base { border-top: 1px solid rgba(255, 255, 255, .12); padding-block: 1.1rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; font-size: .8rem; }

/* ---------- customer reviews (ported from systellar.in .sysrev; fonts mapped to this site's) ---------- */
.rev { background: #fff; padding-block: 62px; color: #0E1A17; }
.rev a { text-decoration: none; }
.rev-head { text-align: center; margin-bottom: 34px; }
.rev-eyebrow { font: 500 .72rem/1.3 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: #9A5F0E; }
.rev-h2 { font: 650 clamp(1.5rem, 3vw, 2.15rem)/1.16 var(--font-display); letter-spacing: -.01em; margin: 10px 0 12px; color: #0E1A17; }
.rev-sub { color: #586863; font-size: 1.02rem; margin: 0; }
.rev-s { display: inline-flex; gap: 2px; vertical-align: middle; margin-left: 6px; }
/* two reviews: two centred columns instead of systellar's three */
.rev-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; align-items: stretch; max-width: 860px; margin-inline: auto; }
.rev-card { background: #FAF7F0; border: 1px solid rgba(14, 26, 23, .08); border-radius: 14px; padding: 24px 24px 22px; display: flex; flex-direction: column; gap: 13px; height: 100%; transition: transform .18s ease, box-shadow .18s ease; }
.rev-card:hover { transform: translateY(-4px); box-shadow: 0 16px 38px rgba(14, 26, 23, .09); }
.rev-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.rev-stars { display: inline-flex; gap: 2px; }
.rev-cat { font: 500 .64rem/1.3 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: 20px; white-space: nowrap; }
.rev-cat.mf { background: #FAEEDA; color: #9A5F0E; }
.rev-cat.hm { background: #E6F1FB; color: #185FA5; }
.rev-quote { color: #0E1A17; font-size: .96rem; line-height: 1.6; flex: 1; margin: 0; }
.rev-foot { display: flex; align-items: center; gap: 12px; border-top: 1px solid rgba(14, 26, 23, .08); padding-top: 14px; }
.rev-meta { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.rev-name { font: 650 .92rem/1.2 var(--font-display); color: #0E1A17; }
.rev-date { font-size: .76rem; color: #586863; margin-top: 2px; }
.rev-verify { display: inline-flex; align-items: center; gap: 5px; font-size: .78rem; font-weight: 600; color: #0F6E56; white-space: nowrap; }
.rev-verify:hover { text-decoration: underline; }
.rev-cta { text-align: center; margin-top: 30px; }
.rev-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 30px; font-weight: 600; font-size: .92rem; border: 1px solid rgba(14, 26, 23, .16); color: #0E1A17; background: transparent; transition: background .2s ease; }
.rev-btn:hover { background: rgba(14, 26, 23, .04); }
@media (max-width: 760px) {
  .rev-grid { grid-template-columns: 1fr; }
  .rev-foot { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { .rev-card, .rev-card:hover { transition: none; transform: none; } }

/* ---------- guides, downloads, purifier note ---------- */
.guides { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.guide { text-decoration: none; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.1rem; display: grid; gap: .25rem; align-content: start; }
.guide b { font-weight: 600; }
.guide span { font-size: .88rem; color: var(--ink-soft); }
.guide:hover { border-color: var(--ink); }
.guides-foot { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; align-items: center; justify-content: center; margin-top: 1.4rem; }
.soon { margin-top: 2.25rem; padding: 1.1rem 1.25rem; border-radius: 14px; background: var(--paper-deep); color: var(--ink-soft); font-size: .93rem; display: grid; gap: .4rem; }
.soon b { color: var(--ink); }
.downloads { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.25rem; }
.downloads .btn { min-height: 46px; font-size: .92rem; }
.purifier { margin-top: 1.5rem; display: grid; gap: .5rem; padding: 1.25rem 1.35rem; border-radius: var(--radius); background: var(--ink); color: var(--on-ink-soft); }
.purifier b { color: var(--on-ink); font: 650 1.2rem/1.3 var(--font-display); }
.purifier a { color: var(--key); }

/* ---------- sticky mobile buy bar ---------- */
.mbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  background: var(--card); border-top: 1px solid var(--line);
  box-shadow: 0 -12px 30px -18px rgba(22, 53, 42, .5);
  padding: .6rem max(16px, env(safe-area-inset-right, 0px)) calc(.6rem + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .6rem; align-items: center;
}
.mbar .btn { min-height: 48px; padding: .6rem 1rem; }
.mbar .btn-line { gap: .45rem; font-size: .92rem; }
/* "Buy now" with the price as a small dark tag beside it, kept together in the middle */
.mbar .btn-buy { justify-content: center; gap: .65rem; font-size: 1.02rem; }
.mbar-price {
  display: inline-flex; align-items: center; padding: .28rem .6rem; border-radius: 999px;
  background: var(--ink); color: var(--key);
  font: 700 .95rem/1 var(--font-body); font-variant-numeric: tabular-nums; letter-spacing: .01em;
}
body { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
@media (min-width: 760px) { .mbar { display: none; } body { padding-bottom: 0; } }

/* ---------- contact form (copied from style.css; posts to the Cloudflare Worker) ---------- */
.contact-layout { display: grid; gap: 1.5rem; align-items: start; }
@media (min-width: 960px) { .contact-layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); } }
.contact-layout .contact-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.contact-card a[data-maker-link] { font-size: 1.12rem; }
.contact .contact-form { background: var(--card); border-color: var(--line); }
@media (max-width: 560px) { .contact-form { padding: 1.4rem 1.1rem !important; } .form-row { grid-template-columns: 1fr !important; } }
/* form */
.contact-form {
  background: var(--paper-deep);
  border: 1px solid rgba(22, 53, 42, 0.12);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.contact-form h3 {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.6rem;
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }

.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); letter-spacing: 0.02em; }

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.97rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid rgba(22, 53, 42, 0.2);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--leaf);
  box-shadow: 0 0 0 3px rgba(79, 157, 105, 0.15);
}

.form-group textarea { min-height: 110px; resize: vertical; }

.form-submit {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 99px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  margin-top: 0.5rem;
}

.form-submit:hover { background: var(--leaf); transform: translateY(-2px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-note { margin-top: 0.85rem; font-size: 0.82rem; color: var(--ink-soft); text-align: center; }

/* Shown only when the contact POST fails, so an enquiry is never lost silently. */
.form-fallback {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid #e0b4a0;
  border-left: 4px solid #c2603a;
  border-radius: 10px;
  background: #fdf4f0;
  font-size: 0.88rem;
  line-height: 1.55;
}
.form-fallback p { margin: 0 0 0.6rem; }
.form-fallback p:last-child { margin-bottom: 0; }
.form-fallback a { color: #a8451f; text-decoration: underline; }
.form-fallback-link { font-weight: 700; }

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 2rem;
}

.form-success.visible { display: flex; }

.form-success svg { width: 48px; height: 48px; stroke: var(--leaf); }
.form-success h4 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 650; }
.form-success p  { color: var(--ink-soft); max-width: 28rem; }

/* ---------- WhatsApp widget + manufacturer popup (both injected by main.js) ---------- */
/* ==========================================================================
   WhatsApp floating enquiry widget (bottom-left, all pages)
   ========================================================================== */
.wa-fab {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 14px;
  background: #25D366;
  color: #fff;
  border: none;
  border-radius: 99px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.wa-fab:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 0, 0, 0.3); }
.wa-fab svg { width: 26px; height: 26px; flex-shrink: 0; }
.wa-fab-label { white-space: nowrap; }

.wa-panel {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 91;
  width: min(340px, calc(100vw - 40px));
  background: var(--paper);
  color: var(--ink);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  display: none;
  flex-direction: column;
}
.wa-panel.open { display: flex; }

.wa-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: #075E54;
  color: #fff;
}
.wa-head svg { width: 34px; height: 34px; flex-shrink: 0; }
.wa-head-title { font-weight: 700; font-size: 1rem; line-height: 1.2; }
.wa-head-sub { font-size: 0.78rem; opacity: 0.85; }
.wa-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
}

.wa-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.wa-body label { font-size: 0.76rem; font-weight: 600; color: var(--ink-soft); margin-bottom: -4px; }
.wa-body input, .wa-body select, .wa-body textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid rgba(22, 53, 42, 0.2);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: #fff;
  color: var(--ink);
}
.wa-body textarea { min-height: 68px; resize: vertical; }
.wa-send {
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem;
  background: #25D366;
  color: #fff;
  border: none;
  border-radius: 99px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease;
}
.wa-send svg { width: 20px; height: 20px; }
.wa-send:hover { background: #1da851; }
.wa-note { font-size: 0.72rem; color: var(--ink-soft); text-align: center; }

@media (max-width: 540px) {
  .wa-fab { padding: 14px; }
  .wa-fab-label { display: none; }
}

.maker-modal { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(13, 31, 24, 0.55); }
.maker-modal[hidden] { display: none; }
.maker-modal-box { max-width: 460px; width: 100%; background: var(--paper); color: var(--ink); border-radius: var(--radius); padding: 1.75rem 1.5rem 1.5rem; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25); }
.maker-modal-kicker { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--amber-deep); margin: 0 0 0.6rem; }
.maker-modal-box h2 { font-family: var(--font-display, inherit); font-size: 1.4rem; line-height: 1.25; margin: 0 0 0.75rem; }
.maker-modal-box p { color: var(--ink-soft); margin: 0 0 1.25rem; }
.maker-modal-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn-solid { background: var(--ink); color: var(--on-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
/* keep the WhatsApp button clear of the phone buy bar */
@media (max-width: 759px) {
  .wa-fab { bottom: calc(84px + env(safe-area-inset-bottom, 0px)); }
  .wa-panel { bottom: calc(84px + env(safe-area-inset-bottom, 0px)); max-height: calc(100vh - 110px); overflow-y: auto; }
}