/* Option Print - Production Light Theme Design System */
:root {
  --bg-dark: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-light: #F1F5F9;
  --bg-light-card: #FFFFFF;
  --text-dark: #0F172A;
  --text-dim: #475569;
  --text-light: #0F172A;
  --text-light-dim: #64748B;
  --cyan: #0284C7;
  --cyan-glow: rgba(2, 132, 199, 0.18);
  --magenta: #E11D48;
  --indigo: #4F46E5;
  --border-dark: #E2E8F0;
  --border-light: #CBD5E1;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.09);
  --font-head: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-dark);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body { overflow-x: hidden; min-height: 100vh; display: flex; flex-direction: column; background: #FFFFFF; color: #0F172A; }
main { flex: 1 0 auto; }
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: #0369A1; text-decoration: underline; }
h1, h2, h3, h4, h5 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: #0F172A; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.15rem; font-weight: 600; }
p { margin-bottom: 1rem; color: #334155; }
p:last-child { margin-bottom: 0; }
.lede { font-size: clamp(1.1rem, 2vw, 1.25rem); line-height: 1.55; color: #475569; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 0.6rem;
}
.shell { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }
.shell-narrow { width: 100%; max-width: 840px; margin: 0 auto; padding: 0 1.5rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip { position: absolute; top: -100px; left: 1rem; background: var(--cyan); color: #FFF; padding: 0.75rem 1.25rem; font-weight: 700; border-radius: var(--radius-sm); z-index: 1000; }
.skip:focus { top: 1rem; }

/* Progress Bar */
.progress { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, #0284C7, #4F46E5, #E11D48); width: 0%; z-index: 1000; transition: width 0.1s ease-out; }

/* Announcement Bar */
.announce { background: #F8FAFC; border-bottom: 1px solid var(--border-dark); font-size: 0.85rem; color: #334155; padding: 0.55rem 0; }
.announce .shell { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; text-align: center; }
.announce .dot { color: var(--cyan); }
.announce a { color: var(--cyan); font-weight: 600; text-decoration: underline; }

/* Site Header */
.site-head { position: sticky; top: 0; background: rgba(255, 255, 255, 0.97); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border-dark); z-index: 900; box-shadow: 0 1px 4px rgba(0,0,0,0.03); }
.head-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand img { height: 44px; width: auto; max-width: 220px; object-fit: contain; }
.brand-fallback b { font-size: 1.25rem; color: #0F172A; display: block; }
.brand-fallback span { font-size: 0.75rem; color: var(--cyan); display: block; }

/* Nav */
.nav { display: none; align-items: center; gap: 0.4rem; }
@media (min-width: 992px) { .nav { display: flex; } }
.nav > a, .nav-trigger { font-family: var(--font-head); font-size: 0.95rem; font-weight: 500; color: #334155; padding: 0.6rem 0.9rem; border-radius: var(--radius-sm); background: transparent; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.35rem; transition: var(--transition); }
.nav > a:hover, .nav-trigger:hover, .nav-trigger[aria-expanded="true"] { color: #0F172A; background: #F1F5F9; text-decoration: none; }
.nav > a[aria-current="page"] { color: var(--cyan); background: #E0F2FE; font-weight: 600; }

.nav-item { position: relative; }
.dropdown { position: absolute; top: calc(100% + 8px); left: 0; width: 380px; background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); padding: 0.75rem; box-shadow: var(--shadow-lg); display: none; flex-direction: column; gap: 0.25rem; z-index: 950; }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown, .dropdown.is-open { display: flex; }
.dropdown a { display: block; padding: 0.65rem 0.85rem; border-radius: var(--radius-sm); transition: var(--transition); text-decoration: none; }
.dropdown a:hover { background: #F1F5F9; text-decoration: none; }
.dropdown a strong { display: block; font-size: 0.92rem; color: #0F172A; }
.dropdown a small { display: block; font-size: 0.78rem; color: var(--text-dim); margin-top: 0.15rem; }

/* Head CTA & Burger */
.head-cta { display: none; }
@media (min-width: 768px) { .head-cta { display: inline-flex; } }
.burger { display: inline-flex; align-items: center; gap: 0.5rem; background: #F8FAFC; border: 1px solid var(--border-dark); color: #0F172A; padding: 0.5rem 0.8rem; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.9rem; }
@media (min-width: 992px) { .burger { display: none; } }
.burger-bars { display: flex; flex-direction: column; gap: 4px; width: 18px; }
.burger-bars i { display: block; width: 100%; height: 2px; background: #0F172A; transition: var(--transition); }

/* Mobile Drawer */
.drawer { position: fixed; top: 0; right: -100%; width: 100%; max-width: 360px; height: 100vh; background: #FFFFFF; border-left: 1px solid var(--border-dark); padding: 1.5rem; z-index: 1000; overflow-y: auto; transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 1.5rem; }
.drawer[data-open="true"] { right: 0; }
.drawer-top { display: flex; align-items: center; justify-content: space-between; }
.drawer-close { background: transparent; border: none; color: #0F172A; font-size: 2rem; cursor: pointer; line-height: 1; }
.drawer nav { display: flex; flex-direction: column; gap: 0.5rem; }
.drawer nav > a { font-size: 1.1rem; font-weight: 600; color: #0F172A; padding: 0.5rem 0; }
.drawer .sub { display: flex; flex-direction: column; gap: 0.35rem; padding-left: 1rem; border-left: 2px solid var(--cyan); margin: 0.25rem 0 0.75rem; }
.drawer .sub a { font-size: 0.9rem; color: var(--text-dim); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font-family: var(--font-head); font-size: 0.95rem; font-weight: 600; padding: 0.85rem 1.6rem; border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; transition: var(--transition); text-decoration: none; white-space: nowrap; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, #0284C7, #0369A1); color: #FFFFFF !important; box-shadow: 0 4px 14px var(--cyan-glow); }
.btn-primary:hover { background: linear-gradient(135deg, #0369A1, #075985); box-shadow: 0 6px 20px rgba(2, 132, 199, 0.3); color: #FFFFFF !important; }
.btn-ghost { background: #FFFFFF; border: 1px solid var(--border-light); color: #0F172A; box-shadow: var(--shadow-sm); }
.btn-ghost:hover { background: #F8FAFC; border-color: var(--cyan); color: var(--cyan); }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.link-cta { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; color: var(--cyan); margin-top: 1rem; }
.link-cta::after { content: '→'; transition: transform 0.2s; }
.link-cta:hover::after { transform: translateX(4px); }

/* Hero Section */
.hero { padding: 4.5rem 0 3.5rem; position: relative; overflow: hidden; background: #FFFFFF; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 992px) { .hero-grid { grid-template-columns: 1.15fr 0.85fr; } }
.hero-copy h1 { margin: 0.8rem 0 1.2rem; color: #0F172A; }
.hero-copy p { font-size: 1.15rem; color: #475569; margin-bottom: 1.4rem; line-height: 1.6; }
.hero-copy .btn-row { margin: 2rem 0; }
.trust { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; font-size: 0.88rem; color: var(--text-dim); margin-top: 1.5rem; }
.trust b { color: #0F172A; font-weight: 600; }
.trust i { display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); }

/* Stand Unfold Interactive Figure */
.unfold-wrap { background: #F8FAFC; border: 1px solid var(--border-dark); border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--shadow-sm); text-align: center; position: relative; }
.unfold { max-width: 100%; height: auto; transition: transform 0.4s ease; }
.unfold-wrap figcaption { font-size: 0.88rem; color: #475569; margin-top: 1rem; }
.unfold-toggle { margin-top: 0.8rem; background: #E0F2FE; border: 1px solid #BAE6FD; color: #0369A1; font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; padding: 0.5rem 1rem; border-radius: 20px; cursor: pointer; transition: var(--transition); }
.unfold-toggle:hover { background: var(--cyan); color: #FFF; border-color: var(--cyan); }

/* SVG unfold animation states */
.unfold .panel { transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); transform-origin: center; }
.unfold[data-state="folded"] .side-l { transform: scaleX(0.1) translateX(150px); opacity: 0.4; }
.unfold[data-state="folded"] .side-r { transform: scaleX(0.1) translateX(-150px); opacity: 0.4; }
.unfold[data-state="folded"] .shelf { transform: scaleY(0.2); opacity: 0.3; }
.unfold[data-state="folded"] .dim-float { opacity: 0; }

/* Proof Stats Bar */
.proof { background: #F8FAFC; border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); padding: 2.5rem 0; }
.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media (min-width: 768px) { .proof-grid { grid-template-columns: repeat(4, 1fr); } }
.proof-cell { text-align: center; }
.proof-cell b { display: block; font-family: var(--font-head); font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 800; color: #0284C7; line-height: 1.1; }
.proof-cell span { font-size: 0.9rem; color: #475569; margin-top: 0.35rem; display: block; font-weight: 500; }

/* Section Bands */
.band { padding: 5rem 0; position: relative; background: #FFFFFF; }
.band--tight { padding: 3rem 0; }
.band--surface { background: #F8FAFC; border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); }
.band--light { background: #F1F5F9; color: var(--text-light); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); }
.band--light h2, .band--light h3, .band--light h4 { color: var(--text-light); }
.band--light p { color: var(--text-light-dim); }
.band--light .eyebrow { color: var(--indigo); }
.band--light a { color: var(--cyan); }
.gridwash {
  background-color: #FAFAFA;
  background-image: radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.05) 0%, transparent 60%),
                    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
}
.band-head { margin-bottom: 3rem; }
.band-head--split { display: grid; grid-template-columns: 1fr; gap: 1.5rem; align-items: end; }
@media (min-width: 768px) { .band-head--split { grid-template-columns: 1fr 1fr; } }
.band-head h2 { margin-top: 0.5rem; }

/* Grids */
.grid { display: grid; gap: 1.75rem; }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* Cards */
.card { background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); box-shadow: var(--shadow-sm); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #CBD5E1; }
.card-media { background: #F8FAFC; overflow: hidden; position: relative; aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; }
.card-media img, .card-media svg { width: 100%; height: 100%; object-fit: contain; padding: 0.75rem; transition: transform 0.4s ease; }
.card:hover .card-media img { transform: scale(1.03); }
.card-body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1 0 auto; }
.card-body h3, .card-body h4 { margin-bottom: 0.65rem; color: #0F172A; }
.card-body h3 a { color: inherit; }
.card-fit { margin-top: auto; padding-top: 1rem; border-top: 1px dashed var(--border-dark); font-size: 0.85rem; color: var(--text-dim); }
.card-fit b { color: #0F172A; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 0.2rem; }
.card-actions { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-top: 1.25rem; font-size: 0.9rem; font-weight: 600; }
.card-actions .q { color: #0284C7; background: #E0F2FE; padding: 0.35rem 0.75rem; border-radius: var(--radius-sm); }

/* Checklist & Glass Box */
.checklist { list-style: none; display: grid; gap: 1rem; }
.checklist li { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 1.05rem; color: #334155; }
.checklist li::before { content: '✓'; display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: #0284C7; color: #FFF; font-weight: 800; font-size: 0.75rem; flex-shrink: 0; margin-top: 2px; }
.glass { background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); padding: 2rem; box-shadow: var(--shadow-sm); }
.placeholder-box { background: #F8FAFC; border: 2px dashed var(--border-dark); border-radius: var(--radius-md); padding: 2rem; text-align: center; color: var(--text-dim); font-size: 0.95rem; }

/* Interactive Stand Selector Tool */
.selector { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
@media (min-width: 992px) { .selector { grid-template-columns: 1.15fr 0.85fr; } }
.sel-q { margin-bottom: 1.5rem; }
.sel-q > span { display: block; font-family: var(--font-head); font-weight: 600; font-size: 1rem; color: #0F172A; margin-bottom: 0.6rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { background: #F1F5F9; border: 1px solid #CBD5E1; color: #334155; font-family: var(--font-body); font-size: 0.88rem; padding: 0.45rem 0.95rem; border-radius: 20px; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; text-decoration: none; }
.chip:hover { border-color: var(--cyan); color: var(--cyan); text-decoration: none; }
.chip[aria-pressed="true"], .chip.is-active { background: var(--cyan); border-color: var(--cyan); color: #FFFFFF; font-weight: 600; }
.sel-result { position: sticky; top: 100px; }
.sel-result .glass { border-color: #BAE6FD; box-shadow: 0 8px 24px rgba(2, 132, 199, 0.1); }
.sel-result .note { font-size: 0.8rem; color: var(--text-dim); margin-top: 1rem; border-top: 1px solid var(--border-dark); padding-top: 0.75rem; }

/* Comparison Table */
.table-scroll { width: 100%; overflow-x: auto; border: 1px solid var(--border-light); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); background: #FFF; margin: 2rem 0; }
table.cmp { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.92rem; min-width: 720px; }
table.cmp th, table.cmp td { padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--border-light); vertical-align: top; }
table.cmp thead th { background: #F1F5F9; font-family: var(--font-head); font-weight: 700; color: var(--text-light); font-size: 0.95rem; }
table.cmp tbody th { font-family: var(--font-head); font-weight: 600; color: var(--text-light); background: #F8FAFC; width: 22%; }
table.cmp td:nth-child(2) { background: #F0F9FF; font-weight: 600; color: #0369A1; border-left: 2px solid #0284C7; border-right: 2px solid #0284C7; }
table.cmp thead th:nth-child(2) { background: #E0F2FE; color: #0369A1; border-left: 2px solid #0284C7; border-right: 2px solid #0284C7; border-top: 2px solid #0284C7; }
table.cmp tr:last-child th, table.cmp tr:last-child td { border-bottom: none; }
table.cmp tr:last-child td:nth-child(2) { border-bottom: 2px solid #0284C7; }

/* Six Stage Process */
.process { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .process { grid-template-columns: repeat(3, 1fr); } }
.step { background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); padding: 1.5rem; transition: var(--transition); box-shadow: var(--shadow-sm); }
.step:hover { border-color: var(--cyan); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.step h4 { margin-bottom: 0.6rem; color: #0284C7; }
.step p { font-size: 0.9rem; line-height: 1.55; color: var(--text-dim); }

/* Machinery Grid Section */
.machinery-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .machinery-grid { grid-template-columns: repeat(3, 1fr); } }
.machinery-card { background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: var(--transition); }
.machinery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #CBD5E1; }
.machinery-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #F1F5F9; }
.machinery-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.machinery-card:hover .machinery-img img { transform: scale(1.04); }
.machinery-img .badge { position: absolute; top: 12px; left: 12px; background: rgba(2, 132, 199, 0.9); color: #FFF; font-family: var(--font-head); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.35rem 0.75rem; border-radius: 20px; backdrop-filter: blur(8px); }
.machinery-content { padding: 1.5rem; display: flex; flex-direction: column; flex: 1 0 auto; }
.machinery-content h3 { font-size: 1.2rem; margin-bottom: 0.6rem; color: #0F172A; }
.machinery-content p { font-size: 0.9rem; line-height: 1.55; color: #475569; margin-bottom: 1.2rem; }
.specs-mini { list-style: none; display: grid; gap: 0.45rem; font-size: 0.85rem; border-top: 1px solid var(--border-dark); padding-top: 1rem; margin-top: auto; }
.specs-mini li { color: #64748B; }
.specs-mini li strong { color: #0F172A; }

/* Work Gallery & Lightbox */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.tile { background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); overflow: hidden; padding: 0; cursor: pointer; text-align: left; transition: var(--transition); display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.tile:hover { transform: translateY(-4px); border-color: var(--cyan); box-shadow: var(--shadow-md); }
.tile img, .tile svg { width: 100%; aspect-ratio: 1/1; object-fit: contain; background: #F8FAFC; padding: 0.5rem; }
.tile figcaption { padding: 1rem; font-family: var(--font-head); font-weight: 600; font-size: 0.95rem; color: #0F172A; display: flex; flex-direction: column; gap: 0.25rem; }
.tile figcaption span { font-family: var(--font-body); font-weight: 400; font-size: 0.8rem; color: var(--text-dim); }

.lightbox { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.85); backdrop-filter: blur(10px); z-index: 2000; display: none; align-items: center; justify-content: center; padding: 2rem; }
.lightbox[data-open="true"] { display: flex; }
.lightbox figure { max-width: 900px; width: 100%; background: #FFFFFF; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.lightbox img { width: 100%; max-height: 70vh; object-fit: contain; background: #F8FAFC; padding: 1rem; }
.lightbox figcaption { padding: 1.25rem 1.75rem; font-size: 1.1rem; color: #0F172A; font-weight: 600; }
.lightbox-close { position: absolute; top: 1.5rem; right: 2rem; background: transparent; border: none; color: #FFF; font-size: 2.5rem; cursor: pointer; line-height: 1; }

/* FAQ Accordion */
.faq { display: grid; gap: 0.85rem; max-width: 900px; }
.faq details { background: #FFFFFF; border: 1px solid var(--border-dark); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); }
.faq details[open] { border-color: var(--cyan); }
.faq summary { padding: 1.25rem 1.5rem; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; color: #0F172A; cursor: pointer; display: flex; align-items: center; justify-content: space-between; list-style: none; user-select: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.4rem; color: var(--cyan); transition: transform 0.2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 1.5rem 1.5rem; font-size: 0.95rem; line-height: 1.65; color: var(--text-dim); }

/* Form Styles & Multi-Step Quote Wizard */
.form-card { background: #FFFFFF; border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow-md); color: var(--text-light); }
.form-card h2 { color: var(--text-light); }
.steps-bar { display: flex; gap: 0.5rem; margin-bottom: 2rem; position: relative; }
.steps-bar span { flex: 1; height: 6px; background: #E2E8F0; border-radius: 3px; position: relative; transition: background 0.3s; }
.steps-bar span[data-done="true"], .steps-bar span.is-active { background: var(--cyan); }
.field { margin-bottom: 1.4rem; }
.field-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 600px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field-row-3 { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 600px) { .field-row-3 { grid-template-columns: repeat(3, 1fr); } }

label { display: block; font-family: var(--font-head); font-weight: 600; font-size: 0.9rem; margin-bottom: 0.45rem; color: var(--text-light); }
input, select, textarea { width: 100%; font-family: var(--font-body); font-size: 0.95rem; padding: 0.75rem 1rem; border: 1px solid var(--border-light); border-radius: var(--radius-sm); background: #F8FAFC; color: var(--text-light); transition: var(--transition); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--cyan); background: #FFF; box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15); }
textarea { min-height: 110px; resize: vertical; }

.req { color: var(--magenta); font-weight: 700; }
.hint { display: block; font-size: 0.78rem; color: var(--text-light-dim); margin-top: 0.3rem; }
.err { display: block; font-size: 0.8rem; color: #DC2626; margin-top: 0.3rem; min-height: 1.1rem; }

.form-nav { display: flex; align-items: center; justify-content: space-between; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border-light); }
.summary-list { display: grid; gap: 0.75rem; background: #F8FAFC; border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 1.25rem; margin-bottom: 1.5rem; font-size: 0.92rem; }
.summary-list div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px dashed var(--border-light); padding-bottom: 0.4rem; }
.summary-list dt { font-weight: 600; color: var(--text-light-dim); }
.summary-list dd { font-weight: 700; color: var(--text-light); text-align: right; }

.notice { background: #F0F9FF; border-left: 4px solid var(--cyan); padding: 1rem 1.25rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.9rem; color: #0F172A; margin: 1.25rem 0; border-top: 1px solid #BAE6FD; border-right: 1px solid #BAE6FD; border-bottom: 1px solid #BAE6FD; }
.notice-warn { background: #FFF1F2; border-left-color: var(--magenta); border-color: #FECDD3; }

/* Specs dl */
dl.spec { display: grid; gap: 0.85rem; }
dl.spec div { display: grid; grid-template-columns: 1fr; gap: 0.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border-dark); }
@media (min-width: 600px) { dl.spec div { grid-template-columns: 200px 1fr; } }
dl.spec dt { font-family: var(--font-head); font-weight: 600; font-size: 0.9rem; color: var(--cyan); }
dl.spec dd { font-size: 0.92rem; color: #334155; }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* Breadcrumbs */
.crumbs { padding: 1.2rem 0; background: #F8FAFC; border-bottom: 1px solid var(--border-dark); font-size: 0.85rem; }
.crumbs ol { list-style: none; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.crumbs li:not(:last-child)::after { content: '/'; margin-left: 0.5rem; color: var(--text-dim); }
.crumbs a { color: var(--text-dim); }
.crumbs a:hover { color: var(--cyan); }
.crumbs li:last-child { color: #0F172A; font-weight: 600; }

/* Page Hero */
.page-hero { padding: 4rem 0 3rem; background: #FFFFFF; border-bottom: 1px solid var(--border-dark); }
.product-hero-img { border-radius: var(--radius-md); border: 1px solid var(--border-dark); box-shadow: var(--shadow-md); background: #F8FAFC; padding: 1rem; max-height: 480px; object-fit: contain; margin: 0 auto; }

/* Blog */
.post-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; }
.article-meta { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-dim); margin-top: 0.8rem; }
.article-body { font-size: 1.1rem; line-height: 1.75; color: var(--text-light); max-width: 740px; }
.article-body h2 { margin: 2.2rem 0 1rem; font-size: 1.7rem; color: var(--text-light); }
.article-body h3 { margin: 1.8rem 0 0.8rem; font-size: 1.3rem; color: var(--text-light); }
.article-body p { margin-bottom: 1.4rem; color: #334155; }
.article-body ul, .article-body ol { margin: 1rem 0 1.5rem 1.5rem; display: grid; gap: 0.5rem; color: #334155; }
.article-body blockquote { border-left: 4px solid var(--indigo); background: #EEF2FF; padding: 1.2rem 1.5rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 1.8rem 0; font-style: italic; color: #312E81; }
.article-cta { background: #FFFFFF; border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 1.75rem; margin-top: 2rem; box-shadow: var(--shadow-sm); }
.article-cta ul { list-style: none; display: grid; gap: 0.5rem; }

/* Site Footer */
.site-foot { background: #F8FAFC; border-top: 1px solid var(--border-dark); padding: 5rem 0 2rem; font-size: 0.92rem; color: var(--text-dim); margin-top: auto; }
.foot-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; margin-bottom: 4rem; }
@media (min-width: 600px) { .foot-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .foot-grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; } }
.foot-about p { margin: 1rem 0 1.5rem; font-size: 0.9rem; line-height: 1.6; color: #475569; }
.foot-grid h4 { font-family: var(--font-head); color: #0F172A; font-size: 1rem; margin-bottom: 1.25rem; }
.foot-grid ul { list-style: none; display: grid; gap: 0.6rem; }
.foot-grid ul a { color: #475569; }
.foot-grid ul a:hover { color: var(--cyan); text-decoration: none; }
.socials { display: flex; gap: 0.75rem; }
.socials a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: #E2E8F0; color: #334155; transition: var(--transition); }
.socials a:hover { background: var(--cyan); color: #FFF; }
.foot-bottom { display: flex; flex-direction: column; gap: 1rem; border-top: 1px solid var(--border-dark); padding-top: 2rem; font-size: 0.85rem; color: #64748B; }
@media (min-width: 768px) { .foot-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }
.foot-bottom a { color: #475569; margin: 0 0.5rem; }

.pill { display: inline-block; background: #F1F5F9; border: 1px solid var(--border-dark); border-radius: 20px; padding: 0.2rem 0.6rem; font-size: 0.75rem; color: var(--text-dim); }

/* Floating WhatsApp & Sticky Mobile Bar */
.wa-float { position: fixed; bottom: 85px; right: 20px; width: 58px; height: 58px; border-radius: 50%; background: #25D366; box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4); display: flex; align-items: center; justify-content: center; z-index: 850; transition: transform 0.25s ease; animation: wa-pulse 3s infinite; }
.wa-float:hover { transform: scale(1.08); }
@media (min-width: 768px) { .wa-float { bottom: 30px; right: 30px; } }
@keyframes wa-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.sticky-bar { position: fixed; bottom: 0; left: 0; width: 100%; background: #FFFFFF; border-top: 1px solid var(--border-dark); display: grid; grid-template-columns: 1fr 1fr; z-index: 800; box-shadow: 0 -2px 10px rgba(0,0,0,0.06); }
@media (min-width: 768px) { .sticky-bar { display: none; } }
.sticky-bar a { text-align: center; padding: 0.9rem; font-family: var(--font-head); font-weight: 700; font-size: 0.92rem; color: #0F172A; border-right: 1px solid var(--border-dark); }
.sticky-bar a.q { background: var(--cyan); color: #FFFFFF; }

/* Scroll Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }