/* =========================================================
   AECNOMED | Ace Scientific Works
   Designed & developed by True Advertising Pvt Ltd
   ========================================================= */

:root {
  --ink: #0F2B5B;
  --ink-soft: #1C3D73;
  --blue: #1667B2;
  --blue-700: #0F518F;
  --blue-50: #EAF2FB;
  --steel-25: #F8FAFC;
  --steel-50: #F1F4F8;
  --steel-100: #E6ECF2;
  --steel-200: #D6DEE7;
  --steel-300: #BCC8D4;
  --steel-600: #5A6A7C;
  --text: #27354A;
  --muted: #56657A;
  --green: #12850A;
  --lamp: #35E021;
  --red: #D6004A;
  --wa: #0F7A40;
  --r-s: 6px;
  --r-m: 10px;
  --r-l: 18px;
  --font: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 74px;

  --bs-body-font-family: var(--font);
  --bs-body-color: var(--text);
  --bs-link-color: var(--blue);
  --bs-link-color-rgb: 22, 103, 178;
  --bs-link-hover-color: var(--blue-700);
  --bs-link-hover-color-rgb: 15, 81, 143;
  --bs-border-color: var(--steel-200);
  --animate-duration: .7s;
}

/* ---------- Base ---------- */
html { scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.62;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  color: var(--ink);
  font-family: var(--font);
  font-stretch: 116%;
  font-weight: 760;
  letter-spacing: -0.012em;
  line-height: 1.12;
}
h1 { font-size: clamp(2.05rem, 1.3rem + 3vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.3rem); margin-bottom: .75rem; }
h3 { font-size: 1.25rem; line-height: 1.28; }
h4 { font-size: 1.05rem; }
p { max-width: 68ch; }
strong { font-weight: 650; }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 1rem; top: -60px; z-index: 2000;
  background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: var(--r-s);
  text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 1rem; color: #fff; }

.text-muted-2 { color: var(--muted); }
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- Buttons ---------- */
.btn {
  --bs-btn-font-weight: 620;
  --bs-btn-padding-x: 1.2rem;
  --bs-btn-padding-y: .68rem;
  --bs-btn-border-radius: var(--r-s);
  font-stretch: 104%;
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
}
.btn-sm { --bs-btn-padding-x: .85rem; --bs-btn-padding-y: .45rem; --bs-btn-font-size: .9rem; }
.btn-primary {
  --bs-btn-bg: var(--blue); --bs-btn-border-color: var(--blue);
  --bs-btn-hover-bg: var(--blue-700); --bs-btn-hover-border-color: var(--blue-700);
  --bs-btn-active-bg: var(--ink); --bs-btn-active-border-color: var(--ink);
  --bs-btn-focus-shadow-rgb: 22, 103, 178;
}
.btn-ink {
  --bs-btn-color: #fff; --bs-btn-bg: var(--ink); --bs-btn-border-color: var(--ink);
  --bs-btn-hover-color: #fff; --bs-btn-hover-bg: var(--ink-soft); --bs-btn-hover-border-color: var(--ink-soft);
  --bs-btn-active-bg: var(--blue-700); --bs-btn-active-color: #fff;
}
.btn-outline-ink {
  --bs-btn-color: var(--ink); --bs-btn-border-color: var(--steel-300); --bs-btn-bg: #fff;
  --bs-btn-hover-color: #fff; --bs-btn-hover-bg: var(--ink); --bs-btn-hover-border-color: var(--ink);
  --bs-btn-active-color: #fff; --bs-btn-active-bg: var(--ink);
}
.btn-wa {
  --bs-btn-color: #fff; --bs-btn-bg: var(--wa); --bs-btn-border-color: var(--wa);
  --bs-btn-hover-color: #fff; --bs-btn-hover-bg: #0B6233; --bs-btn-hover-border-color: #0B6233;
  --bs-btn-active-color: #fff; --bs-btn-active-bg: #094F29;
}
.btn-light-outline {
  --bs-btn-color: #fff; --bs-btn-border-color: rgba(255,255,255,.45); --bs-btn-bg: transparent;
  --bs-btn-hover-color: var(--ink); --bs-btn-hover-bg: #fff; --bs-btn-hover-border-color: #fff;
}
.link-arrow { font-weight: 620; text-decoration: none; display: inline-flex; align-items: center; gap: .45rem; }
.link-arrow i { transition: transform .2s; font-size: .85em; }
.link-arrow:hover i { transform: translateX(3px); }

/* ---------- Top bar & header ---------- */
.topbar { background: var(--ink); color: #C9D6E8; font-size: .875rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-top: .45rem; padding-bottom: .45rem; }
.topbar a { color: #fff; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.topbar-links { display: flex; gap: 1.4rem; }
.topbar i { color: #8FB3E0; margin-right: .35rem; }

.site-header {
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--steel-100);
  transition: box-shadow .25s ease;
  z-index: 1030;
}
@supports (backdrop-filter: blur(6px)) {
  .site-header { background: rgba(255,255,255,.96); backdrop-filter: saturate(1.4) blur(10px); }
}
.site-header.is-scrolled { box-shadow: 0 10px 30px -18px rgba(15,43,91,.45); }
.site-header .navbar { padding: .55rem 0; min-height: var(--header-h); }
.brand-logo { height: 52px; width: auto; transition: height .25s ease; }
.site-header.is-scrolled .brand-logo { height: 44px; }

.navbar .nav-link {
  color: var(--ink); font-weight: 580; position: relative;
  padding: .55rem .85rem !important; font-stretch: 102%;
}
.navbar .nav-link::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .25rem; height: 2px;
  background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--blue-700); }
.navbar .nav-link:hover::after, .navbar .nav-link.active::after { transform: scaleX(1); }
.navbar-toggler { border: 1px solid var(--steel-200); padding: .45rem .65rem; color: var(--ink); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(22,103,178,.3); }

@media (max-width: 991.98px) {
  .navbar-collapse { border-top: 1px solid var(--steel-100); margin-top: .55rem; padding: .5rem 0 1rem; }
  .navbar .nav-link { padding: .75rem .25rem !important; border-bottom: 1px solid var(--steel-100); }
  .navbar .nav-link::after { display: none; }
  .nav-cta { margin-top: 1rem; width: 100%; }
  .brand-logo { height: 42px; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 6vw, 6rem) 0; }
.section-steel { background: var(--steel-50); }
.section-head { max-width: 760px; margin-bottom: clamp(2rem, 3.5vw, 3rem); }
.section-head p { color: var(--muted); font-size: 1.1rem; margin-bottom: 0; }
.section-head-split { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1rem 2rem; max-width: none; }
.section-head-split > div { max-width: 700px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(2.5rem, 5.5vw, 5rem) 0 clamp(3rem, 5vw, 4.5rem);
  background: linear-gradient(180deg, #fff 0%, var(--steel-50) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(100deg, rgba(15,43,91,.028) 0 1px, transparent 1px 7px);
}
.hero .container { position: relative; }
.hero h1 { max-width: 17ch; margin-bottom: 1.1rem; }
.hero-lead { font-size: clamp(1.08rem, 1rem + .35vw, 1.22rem); color: var(--muted); max-width: 54ch; margin-bottom: 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.75rem; }
.hero-assurances { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; color: var(--ink); font-weight: 560; font-size: .95rem; }
.hero-assurances i { color: var(--green); margin-right: .4rem; }

/* Instrument panel (hero gauge) */
.panel {
  position: relative; margin: 0 auto; max-width: 430px;
  background: linear-gradient(150deg, #FFFFFF 0%, #EEF2F6 55%, #DFE6ED 100%);
  border: 1px solid var(--steel-200); border-radius: var(--r-l);
  box-shadow: inset 0 1px 0 #fff, 0 40px 70px -40px rgba(15,43,91,.45), 0 2px 6px rgba(15,43,91,.06);
  padding: 1.1rem 1.25rem 1.25rem;
}
.panel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: .35rem; }
.panel-name { font-stretch: 125%; font-weight: 700; font-size: .78rem; letter-spacing: .14em; color: var(--ink); }
.panel-model { font-size: .8rem; color: var(--steel-600); font-variant-numeric: tabular-nums; }
.lamp {
  width: 14px; height: 14px; border-radius: 50%; display: inline-block; vertical-align: middle;
  background: radial-gradient(circle at 35% 35%, #E9EEF3, #9AA7B5);
  box-shadow: inset 0 0 0 1px rgba(15,43,91,.25);
  transition: background .3s, box-shadow .3s;
}
.lamp.is-running { background: radial-gradient(circle at 35% 35%, #BFDDFF, #1667B2); box-shadow: 0 0 0 4px rgba(22,103,178,.15); }
.lamp.is-done { background: radial-gradient(circle at 35% 35%, #D9FFD2, var(--lamp)); box-shadow: 0 0 14px 2px rgba(53,224,33,.55); }
.gauge { display: block; width: 100%; max-width: 300px; height: auto; margin: 0 auto; }
.gauge .tick-major { stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; }
.gauge .tick-minor { stroke: #7F8FA2; stroke-width: 1.1; }
.gauge .tick-label { fill: var(--ink); font-family: var(--font); font-size: 13px; font-weight: 650; font-stretch: 90%; text-anchor: middle; dominant-baseline: middle; }
.gauge .gauge-unit { fill: var(--steel-600); font-family: var(--font); font-size: 11px; text-anchor: middle; letter-spacing: .06em; }
.gauge .gauge-brand { fill: var(--ink); font-family: var(--font); font-size: 9px; font-weight: 700; text-anchor: middle; letter-spacing: .2em; font-stretch: 125%; }
.gauge .band-op { fill: none; stroke: var(--blue); stroke-opacity: .22; stroke-width: 9; }
.gauge .band-red { fill: none; stroke: var(--red); stroke-width: 9; }
.gauge .band-label { fill: var(--blue-700); font-family: var(--font); font-size: 9.5px; font-weight: 650; text-anchor: middle; }

.readout { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin: .5rem 0 .9rem; }
.readout > div {
  background: #0E2140; border-radius: var(--r-s); padding: .45rem .7rem;
  box-shadow: inset 0 2px 6px rgba(0,0,0,.45);
  display: flex; align-items: baseline; justify-content: space-between; gap: .35rem;
}
.readout-label { color: #8FA6C4; font-size: .72rem; font-weight: 600; letter-spacing: .02em; }
.readout-value { color: #E8F6FF; font-size: 1.35rem; font-weight: 650; font-stretch: 85%; font-variant-numeric: tabular-nums; line-height: 1.15; }
.readout-unit { color: #8FA6C4; font-size: .78rem; margin-left: .12rem; }

.cycle { list-style: none; counter-reset: stage; padding: 0; margin: 0 0 .75rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
.cycle li { counter-increment: stage; font-size: .76rem; font-weight: 620; color: var(--steel-600); }
.cycle li::before { content: counter(stage); display: block; font-size: .68rem; color: var(--steel-300); margin-bottom: .1rem; font-variant-numeric: tabular-nums; }
.cycle li span { display: block; height: 5px; border-radius: 3px; background: var(--steel-200); margin-top: .3rem; overflow: hidden; position: relative; }
.cycle li span::after { content: ""; position: absolute; inset: 0; background: var(--blue); transform: scaleX(var(--p, 0)); transform-origin: left; }
.cycle li.is-active { color: var(--ink); }
.cycle li.is-done { color: var(--ink); }
.cycle li.is-done span::after { background: var(--green); }

.panel-foot { display: flex; align-items: center; justify-content: space-between; gap: .75rem; border-top: 1px solid var(--steel-200); padding-top: .7rem; min-height: 2.6rem; }
.panel-status { font-size: .88rem; font-weight: 620; color: var(--ink); }
.panel-status.is-done { color: var(--green); }
.panel-rerun { background: none; border: 0; padding: .2rem .1rem; color: var(--blue); font-size: .82rem; font-weight: 620; }
.panel-rerun:hover { color: var(--blue-700); text-decoration: underline; }
.panel-rerun[hidden] { display: none; }
.receipt {
  margin: .75rem auto 0; max-width: 88%; background: #fff; color: var(--ink);
  font-size: .76rem; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: .02em;
  padding: .45rem .7rem; border: 1px dashed var(--steel-300); border-radius: 3px; text-align: center;
  opacity: 0; transform: translateY(-6px); transition: opacity .4s ease, transform .4s ease;
}
.receipt.is-shown { opacity: 1; transform: none; }
.panel-caption { text-align: center; font-size: .82rem; color: var(--muted); margin: .7rem auto 0; max-width: 40ch; }

/* ---------- Spec strip under hero ---------- */
.spec-strip { border-top: 1px solid var(--steel-200); border-bottom: 1px solid var(--steel-200); background: #fff; }
.spec-strip .row > div { padding-top: 1.35rem; padding-bottom: 1.35rem; }
.spec-strip .row > div + div { border-left: 1px solid var(--steel-100); }
.spec-value { display: block; font-stretch: 112%; font-weight: 750; font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem); color: var(--ink); line-height: 1.15; font-variant-numeric: tabular-nums; }
.spec-label { display: block; font-size: .9rem; color: var(--muted); margin-top: .2rem; }
@media (max-width: 767.98px) {
  .spec-strip .row > div:nth-child(odd) { border-left: 0; }
  .spec-strip .row > div:nth-child(n+3) { border-top: 1px solid var(--steel-100); }
}

/* ---------- Product range index (home) ---------- */
.range-list { display: grid; grid-template-columns: 1fr; gap: .75rem; }
@media (min-width: 992px) { .range-list { grid-template-columns: 1fr 1fr; gap: .9rem 1.25rem; } }
.range-item {
  display: grid; grid-template-columns: 84px 1fr auto; align-items: center; gap: 1.1rem;
  padding: .85rem 1.1rem .85rem .85rem; border: 1px solid var(--steel-200); border-radius: var(--r-m);
  background: #fff; text-decoration: none; color: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.range-item:hover { border-color: var(--blue); box-shadow: 0 10px 26px -18px rgba(15,43,91,.5); color: inherit; }
.range-thumb { width: 84px; height: 84px; display: grid; place-items: center; background: var(--steel-25); border-radius: var(--r-s); }
.range-thumb img { max-width: 72px; max-height: 72px; width: auto; height: auto; object-fit: contain; }
.range-name { display: block; font-weight: 700; font-stretch: 108%; color: var(--ink); font-size: 1.06rem; line-height: 1.25; }
.range-desc { display: block; font-size: .92rem; color: var(--muted); line-height: 1.45; margin-top: .2rem; }
.range-meta { text-align: right; white-space: nowrap; }
.range-cap { display: block; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.range-count { display: block; font-size: .82rem; color: var(--steel-600); }
@media (max-width: 575.98px) {
  .range-item { grid-template-columns: 64px 1fr; }
  .range-thumb { width: 64px; height: 64px; }
  .range-thumb img { max-width: 56px; max-height: 56px; }
  .range-meta { grid-column: 2; text-align: left; display: flex; gap: .75rem; align-items: baseline; }
}

/* ---------- Class guide ---------- */
.guide-col { border-top: 3px solid var(--steel-300); padding-top: 1.25rem; height: 100%; }
.guide-col.is-b { border-top-color: var(--blue); }
.guide-col h3 { margin-bottom: .6rem; }
.guide-col dl { margin: 1rem 0 1.1rem; }
.guide-col dt { font-size: .85rem; font-weight: 650; color: var(--ink); }
.guide-col dd { color: var(--muted); margin-bottom: .6rem; font-size: .97rem; }
.guide-note {
  margin-top: 2.25rem; padding: 1rem 1.25rem; border-radius: var(--r-m); background: #fff;
  border: 1px solid var(--steel-200); display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; justify-content: space-between;
}
.guide-note p { margin: 0; }

/* ---------- Industries ---------- */
.industry-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--steel-200); border: 1px solid var(--steel-200); border-radius: var(--r-m); overflow: hidden; }
@media (min-width: 768px) { .industry-list { grid-template-columns: repeat(4, 1fr); } }
.industry-list li { background: #fff; padding: 1.25rem 1.1rem; display: flex; gap: .85rem; align-items: flex-start; }
.industry-list i { color: var(--blue); font-size: 1.3rem; width: 1.6rem; text-align: center; margin-top: .15rem; }
.industry-list strong { display: block; color: var(--ink); font-weight: 680; line-height: 1.3; }
.industry-list span { display: block; font-size: .88rem; color: var(--muted); line-height: 1.4; margin-top: .15rem; }

/* ---------- Reasons (why us) ---------- */
.reason { display: flex; gap: 1rem; align-items: flex-start; }
.reason-icon {
  flex: 0 0 48px; height: 48px; border-radius: var(--r-s); display: grid; place-items: center;
  background: var(--blue-50); color: var(--blue); font-size: 1.15rem;
}
.reason h3 { font-size: 1.1rem; margin-bottom: .35rem; }
.reason p { color: var(--muted); margin: 0; font-size: .98rem; }

/* ---------- Process steps ---------- */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) { .steps { grid-template-columns: repeat(6, 1fr); gap: 1rem; } }
.steps li { counter-increment: step; position: relative; padding-top: 3rem; }
.steps li::before {
  content: counter(step); position: absolute; top: 0; left: 0;
  width: 2.2rem; height: 2.2rem; border-radius: 50%; display: grid; place-items: center;
  background: var(--ink); color: #fff; font-weight: 700; font-variant-numeric: tabular-nums;
}
@media (min-width: 1200px) {
  .steps li::after { content: ""; position: absolute; top: 1.1rem; left: 2.8rem; right: .4rem; height: 1px; background: var(--steel-300); }
  .steps li:last-child::after { display: none; }
}
.steps h3 { font-size: 1.02rem; margin-bottom: .3rem; }
.steps p { font-size: .93rem; color: var(--muted); margin: 0; }

/* ---------- Certificates ---------- */
.cert-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.cert-chip {
  display: inline-flex; align-items: center; gap: .6rem; padding: .6rem 1rem .6rem .7rem;
  border: 1px solid var(--steel-200); border-radius: 999px; background: #fff; color: var(--ink); font-weight: 620; font-size: .95rem;
}
.cert-chip i { color: var(--blue); }
.cert-card { border: 1px solid var(--steel-200); border-radius: var(--r-m); padding: 1.5rem; background: #fff; height: 100%; }
.cert-seal {
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 1rem;
  background: radial-gradient(circle at 35% 30%, #fff 0%, var(--steel-100) 70%);
  border: 2px solid var(--blue); color: var(--blue); font-size: 1.35rem;
}
.cert-card h3 { font-size: 1.12rem; margin-bottom: .2rem; }
.cert-type { font-size: .88rem; color: var(--steel-600); font-weight: 600; margin-bottom: .75rem; }
.cert-card p { font-size: .96rem; color: var(--muted); margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq .accordion-item { border: 0; border-bottom: 1px solid var(--steel-200); background: transparent; }
.faq .accordion-button {
  padding: 1.15rem 0; background: transparent; color: var(--ink); font-weight: 680; font-size: 1.06rem; box-shadow: none; font-stretch: 104%;
}
.faq .accordion-button:not(.collapsed) { color: var(--blue-700); }
.faq .accordion-button:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.faq .accordion-body { padding: 0 0 1.25rem; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color: #D5E0EE; padding: clamp(3rem, 5vw, 4.5rem) 0; position: relative; overflow: hidden; }
.cta-band::after {
  content: ""; position: absolute; right: -140px; top: 50%; width: 420px; height: 420px; transform: translateY(-50%);
  border-radius: 50%; border: 26px solid rgba(255,255,255,.04); box-shadow: 0 0 0 40px rgba(255,255,255,.025);
  pointer-events: none;
}
.cta-band h2 { color: #fff; max-width: 22ch; }
.cta-band p { color: #C3D1E4; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- Inner page hero ---------- */
.page-hero {
  background: linear-gradient(180deg, #fff 0%, var(--steel-50) 100%);
  border-bottom: 1px solid var(--steel-200);
  padding: clamp(2.25rem, 4vw, 3.75rem) 0 clamp(2rem, 3.5vw, 3.25rem);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(100deg, rgba(15,43,91,.028) 0 1px, transparent 1px 7px);
}
.page-hero .container { position: relative; }
.page-hero h1 { max-width: 20ch; margin-bottom: .75rem; }
.page-hero .lead { color: var(--muted); max-width: 62ch; font-size: 1.14rem; margin-bottom: 0; }
.breadcrumb { font-size: .88rem; margin-bottom: 1rem; --bs-breadcrumb-divider-color: var(--steel-300); }
.breadcrumb a { text-decoration: none; }
.breadcrumb-item.active { color: var(--steel-600); }

/* ---------- Products page ---------- */
.filter-bar {
  position: sticky; top: var(--header-h); z-index: 1010;
  background: rgba(255,255,255,.96); border-bottom: 1px solid var(--steel-200);
}
.filter-scroll { display: flex; gap: .5rem; overflow-x: auto; padding: .7rem 0; scrollbar-width: thin; }
.filter-btn {
  flex: 0 0 auto; border: 1px solid var(--steel-200); background: #fff; color: var(--ink);
  border-radius: 999px; padding: .42rem .95rem; font-weight: 600; font-size: .92rem; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s;
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue-700); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

.cat-section { padding: clamp(2.75rem, 5vw, 4.25rem) 0; scroll-margin-top: calc(var(--header-h) + 64px); }
.cat-section + .cat-section { border-top: 1px solid var(--steel-200); }
.cat-section:nth-of-type(even) { background: var(--steel-25); }
.cat-head { max-width: 780px; margin-bottom: 1.5rem; }
.cat-head p { color: var(--muted); font-size: 1.06rem; }
.cat-range { display: inline-block; font-weight: 700; color: var(--blue-700); font-variant-numeric: tabular-nums; font-size: .95rem; margin-bottom: .5rem; }

.product { padding: 2rem 0; border-top: 1px solid var(--steel-200); scroll-margin-top: calc(var(--header-h) + 64px); }
.product:first-of-type { border-top: 0; padding-top: .75rem; }
.product-media {
  background: #fff; border: 1px solid var(--steel-200); border-radius: var(--r-m);
  display: grid; place-items: center; padding: 1.25rem; min-height: 260px;
}
.product-media img { max-height: 250px; width: auto; object-fit: contain; }
.model-tag {
  display: inline-block; font-size: .8rem; font-weight: 700; font-stretch: 92%; letter-spacing: .03em;
  color: var(--ink); background: linear-gradient(180deg, #fff, var(--steel-100));
  border: 1px solid var(--steel-300); border-radius: 4px; padding: .2rem .55rem; margin-bottom: .6rem;
  font-variant-numeric: tabular-nums;
}
.product h3 { font-size: clamp(1.18rem, 1.05rem + .45vw, 1.42rem); margin-bottom: .5rem; }
.product-summary { color: var(--text); margin-bottom: .9rem; }
.facts { list-style: none; padding: 0; margin: 0 0 1.2rem; display: grid; gap: .4rem; }
.facts li { position: relative; padding-left: 1.5rem; font-size: .97rem; color: var(--text); }
.facts li::before {
  content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: .1rem;
  color: var(--green); font-size: .8rem;
}
.product-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.spec-wrap { margin-top: 1.1rem; }
.spec-table { border: 1px solid var(--steel-200); border-radius: var(--r-s); overflow-x: auto; background: #fff; }
.spec-table table { margin: 0; font-size: .92rem; font-variant-numeric: tabular-nums; min-width: 420px; }
.spec-table th { background: var(--ink); color: #fff; font-weight: 620; white-space: nowrap; border-color: var(--ink); }
.spec-table td, .spec-table th { padding: .55rem .8rem; vertical-align: middle; }
.spec-table tbody tr:nth-child(even) td { background: var(--steel-50); }
.spec-table tbody th { background: var(--steel-50); color: var(--ink); border-color: var(--steel-200); white-space: normal; }
.spec-note { font-size: .88rem; color: var(--muted); margin: .6rem 0 0; }
.cycle-table { max-width: 820px; margin: 0 0 1rem; }
.cycle-table table { min-width: 520px; }

@media (max-width: 767.98px) {
  .product-media { min-height: 200px; }
  .product-media img { max-height: 200px; }
}

/* ---------- About ---------- */
.stack-media { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stack-media figure { margin: 0; background: #fff; border: 1px solid var(--steel-200); border-radius: var(--r-m); display: grid; place-items: center; padding: 1rem; }
.stack-media figure:first-child { grid-row: span 2; }
.stack-media img { max-height: 230px; width: auto; object-fit: contain; }
.mission {
  border-left: 4px solid var(--blue); padding: .4rem 0 .4rem 1.5rem; margin: 0;
  font-size: clamp(1.2rem, 1.05rem + .6vw, 1.55rem); line-height: 1.45; color: var(--ink); font-weight: 560; max-width: 48ch;
}
.pillar { border-top: 3px solid var(--ink); padding-top: 1.1rem; height: 100%; }
.pillar h3 { font-stretch: 125%; font-size: 1.3rem; margin-bottom: .5rem; }
.pillar p { color: var(--muted); margin: 0; }
.location-card { border: 1px solid var(--steel-200); border-radius: var(--r-m); padding: 1.35rem 1.4rem; height: 100%; background: #fff; }
.location-card h3 { font-size: 1.08rem; display: flex; align-items: center; gap: .6rem; margin-bottom: .5rem; }
.location-card h3 i { color: var(--blue); }
.location-card address { margin-bottom: .6rem; color: var(--text); }

/* ---------- Contact ---------- */
.form-card { border: 1px solid var(--steel-200); border-radius: var(--r-l); padding: clamp(1.25rem, 3vw, 2.25rem); background: #fff; box-shadow: 0 30px 60px -45px rgba(15,43,91,.5); }
.form-label { font-weight: 620; color: var(--ink); font-size: .95rem; margin-bottom: .35rem; }
.form-label .req { color: var(--red); margin-left: .15rem; }
.form-control, .form-select {
  border-color: var(--steel-300); border-radius: var(--r-s); padding: .65rem .85rem; font-size: 1rem;
}
.form-control:focus, .form-select:focus { border-color: var(--blue); box-shadow: 0 0 0 .2rem rgba(22,103,178,.18); }
.form-hint { font-size: .85rem; color: var(--muted); }
.form-status { border-radius: var(--r-s); padding: .9rem 1rem; background: #EAF7E8; color: #0C5E07; border: 1px solid #BFE5B9; font-weight: 560; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--steel-200); }
.contact-list li:first-child { padding-top: 0; }
.contact-list .ci {
  flex: 0 0 44px; height: 44px; border-radius: var(--r-s); display: grid; place-items: center;
  background: var(--blue-50); color: var(--blue); font-size: 1.05rem;
}
.contact-list h3 { font-size: 1rem; margin-bottom: .2rem; }
.contact-list address, .contact-list p { margin: 0; font-style: normal; }
.contact-list a { text-decoration: none; font-weight: 600; }
.map-frame { border: 1px solid var(--steel-200); border-radius: var(--r-m); overflow: hidden; aspect-ratio: 16 / 7; min-height: 300px; background: var(--steel-50); }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.terms-list { padding-left: 1.2rem; }
.terms-list li { margin-bottom: .45rem; color: var(--text); }

/* ---------- Footer ---------- */
.site-footer { background: var(--steel-50); border-top: 1px solid var(--steel-200); color: var(--text); font-size: .96rem; }
.footer-main { padding: clamp(3rem, 5vw, 4rem) 0 2.5rem; }
.footer-logo { height: 52px; width: auto; margin-bottom: 1rem; }
.site-footer h2 { font-size: 1rem; font-stretch: 110%; margin-bottom: .9rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .45rem; }
.footer-links a { color: var(--text); text-decoration: none; }
.footer-links a:hover { color: var(--blue-700); text-decoration: underline; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { display: flex; gap: .7rem; margin-bottom: .7rem; }
.footer-contact i { color: var(--blue); margin-top: .3rem; width: 1rem; text-align: center; }
.footer-contact a { color: var(--text); text-decoration: none; }
.footer-contact a:hover { color: var(--blue-700); text-decoration: underline; }
.footer-bottom { background: var(--ink); color: #C3D1E4; font-size: .88rem; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding-top: 1rem; padding-bottom: 1rem; }
.footer-bottom a { color: #fff; font-weight: 600; text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }

/* ---------- Floating actions ---------- */
.float-actions { position: fixed; right: 1rem; bottom: 1rem; z-index: 1040; display: flex; flex-direction: column; gap: .6rem; align-items: flex-end; }
.float-btn {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; font-size: 1.45rem;
  color: #fff; text-decoration: none; border: 0; box-shadow: 0 10px 24px -8px rgba(15,43,91,.55);
  transition: transform .2s;
}
.float-btn:hover { transform: translateY(-2px); color: #fff; }
.float-wa { background: #1DA851; }
.float-call { background: var(--blue); font-size: 1.2rem; }
.to-top {
  width: 44px; height: 44px; font-size: 1rem; background: #fff; color: var(--ink);
  border: 1px solid var(--steel-200); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
}
.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { color: var(--blue-700); }

/* ---------- Reveal on scroll (Animate.css) ---------- */
.js [data-animate]:not(.is-visible) { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js [data-animate]:not(.is-visible) { opacity: 1; }
}

/* ---------- Print ---------- */
@media print {
  .topbar, .site-header, .filter-bar, .float-actions, .cta-band, .product-actions { display: none !important; }
  .collapse { display: block !important; }
}

/* ---------- Additions ---------- */
@media (min-width: 1200px) { .steps.steps-5 { grid-template-columns: repeat(5, 1fr); } }
.cert-seal-text { font-size: .8rem; font-weight: 800; font-stretch: 88%; letter-spacing: .02em; }
.build-list { display: grid; grid-template-columns: 1fr; gap: 1.25rem 2.5rem; margin: 0; }
@media (min-width: 768px) { .build-list { grid-template-columns: 1fr 1fr; } }
.build-list dt { color: var(--ink); font-weight: 700; font-stretch: 108%; margin-bottom: .25rem; }
.build-list dd { color: var(--muted); margin: 0; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.check-list li { position: relative; padding-left: 1.6rem; }
.check-list li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: .15rem; color: var(--green); font-size: .85rem; }
.record-item { border-left: 3px solid var(--blue); padding: .2rem 0 .2rem 1.1rem; }
.record-item h3 { font-size: 1.05rem; margin-bottom: .3rem; }
.record-item p { color: var(--muted); margin: 0; font-size: .97rem; }

@media (max-width: 575.98px) {
  .container { --bs-gutter-x: 2.5rem; }
  .hero-actions .btn { flex: 1 1 100%; }
  .cta-actions .btn { flex: 1 1 100%; }
}
/* Only flag problems; don't paint optional/empty fields green */
.was-validated .form-control:valid { border-color: var(--steel-300); background-image: none; padding-right: .85rem; }
.was-validated .form-control:valid:focus { border-color: var(--blue); box-shadow: 0 0 0 .2rem rgba(22,103,178,.18); }