/* FilterVina Design System — extracted from design mockups */

/* ─── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body.filtervina-body {
  font-family: var(--font-body, 'IBM Plex Sans', sans-serif);
  color: var(--filtervina-dark);
  background: var(--filtervina-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ─── DESIGN TOKENS (override filtervina-main.css values) ───── */
:root {
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
  --filtervina-shadow:      0 2px 10px rgba(26,77,114,.10);
  --filtervina-shadow-hover: 0 8px 28px rgba(26,77,114,.18);
  --filtervina-border-radius: 4px;
  --filtervina-steel:    #bdc3c7;
  --filtervina-charcoal: #34495e;
  --filtervina-silver:   #ecf0f1;
}

/* ─── LAYOUT UTILITIES ─────────────────────────────────────── */
.fv-container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.fv-section   { padding: 5rem 0; }

/* ─── TOPBAR ─────────────────────────────────────────────── */
.fv-topbar {
  background: var(--filtervina-primary);
  padding: .45rem 0;
  font-size: .8rem;
  color: rgba(255,255,255,.75);
}
.fv-topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.fv-topbar a { color: rgba(255,255,255,.85); transition: color .2s; }
.fv-topbar a:hover { color: #fff; }
.fv-topbar-contact { display: flex; gap: 1.5rem; align-items: center; }
.fv-topbar-contact span { display: flex; align-items: center; gap: .4rem; }
.fv-topbar-langs { display: flex; gap: .4rem; }
.fv-topbar-lang {
  padding: .15rem .55rem; border: 1px solid rgba(255,255,255,.3);
  border-radius: 3px; color: rgba(255,255,255,.7); font-size: .75rem;
  font-family: var(--font-mono); letter-spacing: .04em; cursor: pointer;
  background: none; transition: all .2s;
}
.fv-topbar-lang:hover, .fv-topbar-lang.active {
  background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.6);
}

/* ─── HEADER ─────────────────────────────────────────────── */
.fv-header {
  background: var(--filtervina-white);
  border-bottom: 1px solid #e2e8f0;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 12px rgba(26,77,114,.08);
}
.fv-header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; height: 72px; gap: 3rem;
}
.fv-logo {
  display: flex; align-items: center; gap: .75rem;
  font-family: var(--font-display); font-size: 1.6rem; font-weight: 800;
  color: var(--filtervina-primary); letter-spacing: .04em; flex-shrink: 0;
}
.fv-logo-icon {
  width: 38px; height: 38px; background: var(--filtervina-primary);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
}
.fv-logo-icon svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 2; }
.fv-logo span { color: var(--filtervina-accent); }
.fv-nav { flex: 1; }
.fv-nav-links {
  list-style: none; display: flex; gap: .25rem; align-items: center;
}
.fv-nav-links a {
  display: flex; align-items: center; gap: .35rem;
  padding: .55rem 1rem; color: var(--filtervina-dark); font-weight: 500;
  font-size: .92rem; border-radius: var(--filtervina-border-radius);
  transition: all .2s; position: relative;
}
.fv-nav-links a:hover, .fv-nav-links a.active {
  color: var(--filtervina-primary); background: rgba(26,77,114,.06);
}
.fv-nav-links a.active::after {
  content: ''; position: absolute; bottom: 0; left: 1rem; right: 1rem;
  height: 2px; background: var(--filtervina-accent); border-radius: 2px;
}
.fv-nav-links i { font-size: .8rem; color: var(--filtervina-accent); }
.fv-header-cta { flex-shrink: 0; display: flex; align-items: center; gap: .75rem; }
.fv-mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
.fv-mobile-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--filtervina-primary); border-radius: 2px; transition: all .3s;
}
.fv-mobile-nav {
  display: none; background: #fff; border-top: 1px solid #e2e8f0;
  padding: 1rem 2rem; flex-direction: column; gap: .25rem;
}
.fv-mobile-nav.open { display: flex; }
.fv-mobile-nav a {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem .5rem; color: var(--filtervina-dark); font-weight: 500;
  border-bottom: 1px solid #f0f4f8;
}
.fv-mobile-nav a:hover { color: var(--filtervina-primary); }
.fv-mobile-nav i { color: var(--filtervina-accent); width: 16px; }

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn-fv-primary {
  background: var(--filtervina-primary); color: #fff;
  padding: .6rem 1.4rem; border-radius: var(--filtervina-border-radius);
  font-weight: 600; font-size: .9rem; letter-spacing: .02em;
  border: none; cursor: pointer; transition: all .25s;
  display: inline-flex; align-items: center; gap: .4rem;
}
.btn-fv-primary:hover {
  background: var(--filtervina-secondary); transform: translateY(-1px);
  box-shadow: var(--filtervina-shadow-hover); color: #fff;
}
.btn-fv-outline {
  background: transparent; color: var(--filtervina-primary);
  padding: .55rem 1.2rem; border-radius: var(--filtervina-border-radius);
  font-weight: 600; font-size: .9rem; border: 2px solid var(--filtervina-primary);
  cursor: pointer; transition: all .25s;
  display: inline-flex; align-items: center; gap: .4rem;
}
.btn-fv-outline:hover { background: var(--filtervina-primary); color: #fff; }

/* ─── PAGE BANNER ─────────────────────────────────────────── */
.fv-page-banner {
  background: var(--filtervina-primary);
  padding: 3rem 0; position: relative; overflow: hidden;
}
.fv-page-banner-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(74,144,194,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,144,194,.1) 1px, transparent 1px);
  background-size: 40px 40px;
}
.fv-page-banner-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  position: relative; z-index: 1;
}
.fv-page-banner h1 {
  font-family: var(--font-display); font-size: 2.8rem; font-weight: 800;
  color: #fff; letter-spacing: .02em; margin-bottom: .5rem;
}
.fv-page-banner-sub { color: rgba(255,255,255,.65); font-size: .95rem; }
.fv-breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: .82rem; color: rgba(255,255,255,.6); margin-bottom: 1rem;
}
.fv-breadcrumb a { color: rgba(255,255,255,.75); transition: color .2s; }
.fv-breadcrumb a:hover { color: #fff; }
.fv-breadcrumb-sep { color: rgba(255,255,255,.35); }
.fv-result-count {
  font-family: var(--font-mono); color: var(--filtervina-accent);
  font-size: .82rem; margin-top: .75rem;
}

/* ─── SECTION HEADING ─────────────────────────────────────── */
.fv-section-eyebrow {
  font-family: var(--font-mono); font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--filtervina-accent);
  margin-bottom: .6rem;
}
.fv-section-title {
  font-family: var(--font-display); font-size: 2.4rem; font-weight: 800;
  color: var(--filtervina-dark); line-height: 1.1; margin-bottom: .75rem;
}
.fv-section-sub {
  color: var(--filtervina-medium); font-size: .95rem; max-width: 540px;
}

/* ─── CATEGORY GRID ───────────────────────────────────────── */
.fv-category-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.fv-cat-card {
  background: var(--filtervina-primary);
  border-radius: 8px; overflow: hidden; position: relative;
  padding: 2rem 1.5rem; display: flex; flex-direction: column;
  gap: .75rem; transition: all .3s; text-decoration: none;
  border: 1px solid transparent;
}
.fv-cat-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(74,144,194,.15) 0%, transparent 60%);
}
.fv-cat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(26,77,114,.35); }
.fv-cat-card-icon {
  width: 52px; height: 52px; background: rgba(255,255,255,.12);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  position: relative;
}
.fv-cat-card-icon i { font-size: 1.5rem; color: #fff; }
.fv-cat-card-grade {
  position: absolute; top: 1rem; right: 1rem;
  font-family: var(--font-mono); font-size: .7rem; font-weight: 700;
  letter-spacing: .06em; padding: .2rem .5rem; border-radius: 3px;
  background: rgba(255,255,255,.15); color: rgba(255,255,255,.9);
}
.fv-cat-card-name {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 800;
  color: #fff; letter-spacing: .02em; position: relative;
}
.fv-cat-card-desc { font-size: .83rem; color: rgba(255,255,255,.65); line-height: 1.5; position: relative; }
.fv-cat-card-link {
  display: flex; align-items: center; gap: .4rem;
  font-size: .8rem; font-weight: 600; color: var(--filtervina-accent);
  margin-top: auto; position: relative;
}

/* ─── PRODUCT CARDS ───────────────────────────────────────── */
.fv-products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.fv-product-card {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 6px;
  overflow: hidden; transition: all .25s; display: flex; flex-direction: column;
}
.fv-product-card:hover {
  border-color: var(--filtervina-accent);
  box-shadow: var(--filtervina-shadow-hover); transform: translateY(-3px);
}
.fv-product-img {
  position: relative; background: var(--filtervina-light); overflow: hidden;
  aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: .5rem;
}
.fv-product-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.fv-product-img-icon { font-size: 2.5rem; color: var(--filtervina-steel); }
.fv-product-img-label { font-family: var(--font-mono); font-size: .7rem; color: var(--filtervina-steel); letter-spacing: .06em; }
.fv-product-badges { position: absolute; top: .75rem; left: .75rem; display: flex; flex-direction: column; gap: .35rem; }
.fv-badge {
  font-family: var(--font-mono); font-size: .68rem; font-weight: 500;
  letter-spacing: .06em; padding: .2rem .55rem; border-radius: 3px; text-transform: uppercase;
}
.fv-badge-new  { background: var(--filtervina-success); color: #fff; }
.fv-badge-hot  { background: var(--filtervina-danger);  color: #fff; }
.fv-badge-cert { background: var(--filtervina-primary); color: #fff; }
.fv-product-overlay {
  position: absolute; inset: 0; background: rgba(26,77,114,.7);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .25s;
}
.fv-product-card:hover .fv-product-overlay { opacity: 1; }
.fv-overlay-btn {
  background: #fff; color: var(--filtervina-primary);
  padding: .6rem 1.4rem; border-radius: var(--filtervina-border-radius);
  font-weight: 600; font-size: .85rem; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: .4rem; transition: all .15s;
}
.fv-overlay-btn:hover { background: var(--filtervina-accent); color: #fff; }
.fv-product-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.fv-product-category {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em;
  color: var(--filtervina-accent); text-transform: uppercase; margin-bottom: .45rem;
}
.fv-product-name {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  color: var(--filtervina-dark); line-height: 1.25; margin-bottom: .75rem;
}
.fv-product-name a { color: inherit; transition: color .2s; }
.fv-product-name a:hover { color: var(--filtervina-primary); }
.fv-product-code {
  font-family: var(--font-mono); font-size: .72rem; color: var(--filtervina-medium);
  margin-bottom: .75rem; letter-spacing: .04em;
}
.fv-product-price {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 800;
  color: var(--filtervina-primary); margin-bottom: .75rem;
}
.fv-product-price-contact {
  font-size: .85rem; color: var(--filtervina-medium); font-style: italic;
  margin-bottom: .75rem;
}
.fv-spec-table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; flex: 1; }
.fv-spec-table tr { border-bottom: 1px solid #f0f4f8; }
.fv-spec-table tr:last-child { border-bottom: none; }
.fv-spec-table td { padding: .35rem 0; font-size: .82rem; }
.fv-spec-key { color: var(--filtervina-medium); width: 50%; }
.fv-spec-val { color: var(--filtervina-dark); font-family: var(--font-mono); font-size: .78rem; font-weight: 500; text-align: right; }
.fv-spec-val.hl { color: var(--filtervina-primary); font-weight: 600; }
.fv-product-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: .85rem; border-top: 1px solid #f0f4f8; margin-top: auto;
}
.fv-cert-icon {
  width: 26px; height: 26px; background: var(--filtervina-light);
  border: 1px solid #dde3ec; border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .55rem; font-weight: 700;
  color: var(--filtervina-primary);
}
.fv-product-link a {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .82rem; font-weight: 600; color: var(--filtervina-primary);
  transition: gap .2s;
}
.fv-product-link a:hover { gap: .55rem; }
.fv-product-link i { font-size: .75rem; }

/* ─── PAGINATION ─────────────────────────────────────────── */
.fv-pagination {
  display: flex; align-items: center; justify-content: center;
  gap: .4rem; padding: 3rem 0 1rem;
}
.fv-page-btn {
  min-width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border: 1px solid #dde3ec; border-radius: var(--filtervina-border-radius);
  background: #fff; cursor: pointer; font-size: .88rem; color: var(--filtervina-dark);
  font-family: var(--font-mono); transition: all .15s; text-decoration: none;
}
.fv-page-btn:hover:not(.active):not(.disabled) { border-color: var(--filtervina-accent); color: var(--filtervina-accent); }
.fv-page-btn.active { background: var(--filtervina-primary); border-color: var(--filtervina-primary); color: #fff; }
.fv-page-btn.disabled { opacity: .4; cursor: default; pointer-events: none; }

/* ─── TRUST BAR ───────────────────────────────────────────── */
.fv-trust-bar { background: var(--filtervina-charcoal); padding: 1.25rem 0; }
.fv-trust-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.fv-trust-item {
  display: flex; align-items: center; gap: .75rem;
  color: rgba(255,255,255,.7); font-size: .88rem; font-weight: 500;
}
.fv-trust-item i { color: var(--filtervina-accent); font-size: 1.1rem; }
.fv-trust-divider { width: 1px; height: 28px; background: rgba(255,255,255,.15); }

/* ─── HERO ─────────────────────────────────────────────────── */
.fv-hero {
  background: var(--filtervina-primary);
  position: relative; overflow: hidden;
  min-height: 540px; display: flex; align-items: center;
}
.fv-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(74,144,194,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,144,194,.12) 1px, transparent 1px);
  background-size: 48px 48px;
}
.fv-hero-glow {
  position: absolute; top: -200px; right: -150px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(74,144,194,.22) 0%, transparent 65%);
  pointer-events: none;
}
.fv-hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 5rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem;
  align-items: center; position: relative; z-index: 1;
}
.fv-hero-eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.85); font-size: .78rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .35rem .9rem; border-radius: 100px; margin-bottom: 1.5rem;
}
.fv-hero-eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--filtervina-accent); animation: fv-pulse-dot 2s infinite;
}
@keyframes fv-pulse-dot {
  0%,100%{ opacity:1; transform:scale(1); }
  50%{ opacity:.5; transform:scale(1.3); }
}
.fv-hero h1 {
  font-family: var(--font-display); font-size: 3.8rem; font-weight: 800;
  color: #fff; line-height: 1.05; letter-spacing: .01em; margin-bottom: 1.5rem;
}
.fv-hero h1 em { color: var(--filtervina-accent); font-style: normal; }
.fv-hero-sub {
  color: rgba(255,255,255,.72); font-size: 1.05rem; line-height: 1.7;
  margin-bottom: 2.5rem; max-width: 480px;
}
.fv-hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-fv-hero {
  background: var(--filtervina-accent); color: #fff;
  padding: .85rem 2rem; border-radius: var(--filtervina-border-radius);
  font-weight: 700; font-size: 1rem; border: none; cursor: pointer;
  transition: all .25s; display: inline-flex; align-items: center; gap: .5rem;
}
.btn-fv-hero:hover { background: #5aa0d0; transform: translateY(-2px); color: #fff; }
.btn-fv-hero-outline {
  background: transparent; color: rgba(255,255,255,.9);
  padding: .85rem 2rem; border-radius: var(--filtervina-border-radius);
  font-weight: 600; font-size: 1rem; border: 2px solid rgba(255,255,255,.3);
  cursor: pointer; transition: all .25s; display: inline-flex; align-items: center; gap: .5rem;
}
.btn-fv-hero-outline:hover {
  border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.08); color: #fff;
}
.fv-hero-visual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; position: relative;
}
.fv-stat-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(8px); border-radius: 8px; padding: 1.5rem; transition: all .3s;
}
.fv-stat-card:hover { background: rgba(255,255,255,.13); transform: translateY(-3px); }
/* Previous diagonal stagger (margin-top: 1.5rem on :nth-child(2),
   -1.5rem on :nth-child(4)) made cards overlap when the grid wrapped to
   a single column. Removed; the 2x2 grid renders cleanly with the 1rem gap. */
.fv-stat-value {
  font-family: var(--font-display); font-size: 2.4rem; font-weight: 800;
  color: var(--filtervina-accent); line-height: 1; margin-bottom: .3rem;
}
.fv-stat-unit { font-size: .85rem; color: rgba(255,255,255,.5); }
.fv-stat-label { color: rgba(255,255,255,.75); font-size: .85rem; font-weight: 500; }

/* ─── DARK SECTION ────────────────────────────────────────── */
.fv-dark-section {
  background: var(--filtervina-dark); padding: 5rem 0;
}

/* ─── CONTACT INFO CARDS ──────────────────────────────────── */
.fv-contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.fv-contact-card {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 8px;
  padding: 1.75rem 1.5rem; text-align: center;
  transition: all .25s; position: relative; overflow: hidden;
}
.fv-contact-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--filtervina-accent); transform: scaleX(0); transition: transform .25s;
}
.fv-contact-card:hover { border-color: var(--filtervina-accent); box-shadow: var(--filtervina-shadow-hover); transform: translateY(-3px); }
.fv-contact-card:hover::before { transform: scaleX(1); }
.fv-contact-card-icon {
  width: 56px; height: 56px; background: rgba(26,77,114,.08);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.1rem; transition: all .25s;
}
.fv-contact-card:hover .fv-contact-card-icon { background: var(--filtervina-primary); }
.fv-contact-card-icon i { font-size: 1.4rem; color: var(--filtervina-primary); transition: color .25s; }
.fv-contact-card:hover .fv-contact-card-icon i { color: #fff; }
.fv-contact-card-label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; color: var(--filtervina-medium); text-transform: uppercase; margin-bottom: .5rem; }
.fv-contact-card-value { font-weight: 600; font-size: .95rem; color: var(--filtervina-dark); line-height: 1.5; }
.fv-contact-card-value a { color: var(--filtervina-primary); }
.fv-contact-card-value a:hover { color: var(--filtervina-accent); }
.fv-contact-card-note { font-size: .78rem; color: var(--filtervina-medium); margin-top: .4rem; }

/* ─── FORM ELEMENTS ───────────────────────────────────────── */
.fv-form-group { display: flex; flex-direction: column; gap: .45rem; margin-bottom: 1.1rem; }
.fv-form-label { font-size: .83rem; font-weight: 600; color: var(--filtervina-dark); }
.fv-form-label .req { color: var(--filtervina-danger); margin-left: .15rem; }
.fv-form-input, .fv-form-select, .fv-form-textarea {
  border: 1.5px solid #dde3ec; border-radius: var(--filtervina-border-radius);
  padding: .65rem .9rem; font-family: var(--font-body); font-size: .9rem;
  color: var(--filtervina-dark); transition: all .2s; outline: none; width: 100%; background: #fff;
}
.fv-form-input:focus, .fv-form-select:focus, .fv-form-textarea:focus {
  border-color: var(--filtervina-accent); box-shadow: 0 0 0 3px rgba(74,144,194,.12);
}
.fv-form-input::placeholder, .fv-form-textarea::placeholder { color: var(--filtervina-steel); }
.fv-form-select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .9rem center;
  padding-right: 2.5rem;
}
.fv-form-textarea { resize: vertical; min-height: 130px; }
.fv-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.fv-footer { background: var(--filtervina-dark); color: rgba(255,255,255,.7); padding: 4rem 0 0; }
.fv-footer-grid {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem;
}
.fv-footer-brand .fv-logo { color: #fff; margin-bottom: 1rem; display: flex; }
.fv-footer-brand .fv-logo span { color: var(--filtervina-accent); }
.fv-footer-brand p { font-size: .88rem; line-height: 1.75; max-width: 300px; color: rgba(255,255,255,.55); }
.fv-footer-heading {
  font-family: var(--font-display); font-size: .95rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.9);
  margin-bottom: 1.2rem;
}
.fv-footer-links { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.fv-footer-links a { color: rgba(255,255,255,.55); font-size: .88rem; transition: color .2s; }
.fv-footer-links a:hover { color: rgba(255,255,255,.9); }
.fv-footer-contact-row {
  display: flex; align-items: flex-start; gap: .65rem;
  font-size: .88rem; color: rgba(255,255,255,.55); margin-bottom: .65rem;
}
.fv-footer-contact-row i { color: var(--filtervina-accent); font-size: .9rem; margin-top: .15rem; flex-shrink: 0; }
.fv-footer-contact-row a { color: rgba(255,255,255,.75); transition: color .2s; }
.fv-footer-contact-row a:hover { color: #fff; }
.fv-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.25rem 2rem; max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .8rem; color: rgba(255,255,255,.35);
}
.fv-footer-cert { font-family: var(--font-mono); font-size: .72rem; }

/* ─── CONTACT RESPONSE STATES ─────────────────────────────── */
.fv-contact-result { margin-top: 1rem; }
.fv-alert {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.25rem; border-radius: 6px; font-size: .9rem; line-height: 1.6;
}
.fv-alert-success { background: rgba(40,167,69,.08); border: 1px solid rgba(40,167,69,.25); color: var(--filtervina-dark); }
.fv-alert-error   { background: rgba(220,53,69,.08);  border: 1px solid rgba(220,53,69,.25);  color: var(--filtervina-dark); }
.fv-alert i { font-size: 1.2rem; margin-top: .1rem; flex-shrink: 0; }
.fv-alert-success i { color: var(--filtervina-success); }
.fv-alert-error   i { color: var(--filtervina-danger); }
.fv-alert-title { font-weight: 600; margin-bottom: .25rem; }

/* ─── PRODUCT DETAIL ──────────────────────────────────────── */
.fv-product-detail-layout {
  max-width: 1280px; margin: 0 auto; padding: 3rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start;
}
.fv-gallery-main {
  aspect-ratio: 4 / 3; max-height: 460px;
  background: var(--filtervina-light); border: 1px solid #e2e8f0;
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 1rem; position: relative; overflow: hidden;
}
.fv-gallery-main img { width: 100%; height: 100%; object-fit: contain; position: absolute; inset: 0; background: var(--filtervina-light); }
.fv-gallery-main-icon { font-size: 5rem; color: var(--filtervina-steel); }
.fv-gallery-main-label { font-family: var(--font-mono); font-size: .8rem; color: var(--filtervina-steel); letter-spacing: .08em; }
.fv-gallery-thumbs { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.fv-gallery-thumb {
  width: 72px; height: 72px; background: var(--filtervina-light); border: 2px solid transparent;
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .2s; flex-shrink: 0; overflow: hidden;
}
.fv-gallery-thumb:hover, .fv-gallery-thumb.active { border-color: var(--filtervina-accent); }
.fv-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.fv-gallery-thumb i { font-size: 1.4rem; color: var(--filtervina-steel); }
.fv-product-info-category {
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .12em;
  color: var(--filtervina-accent); text-transform: uppercase; margin-bottom: .5rem;
}
.fv-product-info-name {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 800;
  color: var(--filtervina-dark); line-height: 1.1; letter-spacing: .01em; margin-bottom: .5rem;
}
.fv-product-info-sku {
  font-family: var(--font-mono); font-size: .8rem; color: var(--filtervina-medium); margin-bottom: 1.5rem;
}
.fv-key-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1.5rem;
}
.fv-key-spec-item {
  background: var(--filtervina-light); border: 1px solid #e2e8f0;
  border-radius: 6px; padding: .85rem 1rem;
}
.fv-key-spec-label { font-size: .76rem; color: var(--filtervina-medium); margin-bottom: .2rem; text-transform: uppercase; letter-spacing: .06em; }
.fv-key-spec-value { font-family: var(--font-mono); font-size: .95rem; font-weight: 600; color: var(--filtervina-dark); }

/* Product description content */
.fv-product-description { font-size: .92rem; line-height: 1.75; color: var(--filtervina-dark); margin-bottom: 1.5rem; }
.fv-product-description h1,.fv-product-description h2,.fv-product-description h3 {
  font-family: var(--font-display); color: var(--filtervina-primary); margin: 1.25rem 0 .6rem;
}
.fv-product-description ul, .fv-product-description ol { padding-left: 1.5rem; }
.fv-product-description li { margin-bottom: .35rem; }
.fv-product-description table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.fv-product-description table th, .fv-product-description table td {
  border: 1px solid #e2e8f0; padding: .5rem .75rem; font-size: .88rem;
}
.fv-product-description table th { background: var(--filtervina-light); font-weight: 600; }

.fv-cta-panel {
  display: flex; flex-direction: column; gap: .85rem;
  background: var(--filtervina-primary); border-radius: 8px;
  padding: 1.5rem; color: #fff; margin-bottom: 1.5rem;
}
.fv-cta-panel-label { font-size: .82rem; color: rgba(255,255,255,.65); }
.fv-cta-panel-note { font-size: .82rem; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: .4rem; }
.btn-fv-cta {
  background: var(--filtervina-accent); color: #fff;
  padding: .85rem 1.5rem; border-radius: var(--filtervina-border-radius);
  font-weight: 700; font-size: 1rem; border: none; cursor: pointer;
  transition: all .25s; display: flex; align-items: center; justify-content: center; gap: .5rem;
}
.btn-fv-cta:hover { background: #5aa0d0; transform: translateY(-1px); color: #fff; }

/* Tabs */
.fv-tab-nav {
  display: flex; border-bottom: 2px solid #e2e8f0; gap: 0; margin-bottom: 2rem;
}
.fv-tab-btn {
  padding: .9rem 1.75rem; font-weight: 600; font-size: .9rem;
  color: var(--filtervina-medium); border: none; background: none; cursor: pointer;
  border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all .2s;
  font-family: var(--font-body);
}
.fv-tab-btn:hover { color: var(--filtervina-primary); }
.fv-tab-btn.active { color: var(--filtervina-primary); border-bottom-color: var(--filtervina-accent); }
.fv-tab-content { display: none; }
.fv-tab-content.active { display: block; }

/* ─── BREADCRUMB BAR ──────────────────────────────────────── */
.fv-breadcrumb-bar { background: var(--filtervina-light); border-bottom: 1px solid #e2e8f0; padding: .75rem 0; }
.fv-breadcrumb-bar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; gap: .5rem; font-size: .83rem; color: var(--filtervina-medium);
}
.fv-breadcrumb-bar a { color: var(--filtervina-medium); transition: color .2s; }
.fv-breadcrumb-bar a:hover { color: var(--filtervina-primary); }
.fv-breadcrumb-bar .sep { color: var(--filtervina-steel); }
.fv-breadcrumb-bar .current { color: var(--filtervina-dark); font-weight: 500; }

/* ─── RELATED PRODUCTS ────────────────────────────────────── */
.fv-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .fv-category-grid { grid-template-columns: repeat(2, 1fr); }
  .fv-products-grid  { grid-template-columns: repeat(2, 1fr); }
  .fv-related-grid   { grid-template-columns: repeat(2, 1fr); }
  .fv-contact-cards  { grid-template-columns: 1fr 1fr; }
  .fv-footer-grid    { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .fv-product-detail-layout { grid-template-columns: 1fr; gap: 2rem; }
  .fv-hero-inner { grid-template-columns: 1fr; }
  .fv-hero-visual { display: none; }
}
@media (max-width: 768px) {
  .fv-topbar-contact { display: none; }
  .fv-nav { display: none; }
  .fv-header-cta { display: none; }
  .fv-mobile-toggle { display: flex; margin-left: auto; }
  .fv-category-grid { grid-template-columns: 1fr 1fr; }
  .fv-products-grid  { grid-template-columns: 1fr; }
  .fv-related-grid   { grid-template-columns: 1fr; }
  .fv-contact-cards  { grid-template-columns: 1fr 1fr; }
  .fv-footer-grid    { grid-template-columns: 1fr; gap: 1.5rem; }
  .fv-key-specs      { grid-template-columns: 1fr; }
  .fv-form-row       { grid-template-columns: 1fr; }
  .fv-page-banner h1 { font-size: 2rem; }
  .fv-container      { padding: 0 1.25rem; }
  .fv-section        { padding: 3rem 0; }
}
@media (max-width: 480px) {
  .fv-category-grid { grid-template-columns: 1fr; }
  .fv-contact-cards { grid-template-columns: 1fr; }
  .fv-hero h1       { font-size: 2.8rem; }
}

/* === Sectioned-by-family list page === */
.fv-product-family {
  margin-bottom: 4rem;
}
.fv-product-family + .fv-product-family {
  border-top: 1px solid var(--filtervina-border, #e5e7eb);
  padding-top: 4rem;
}
.fv-product-family-header {
  margin-bottom: 2rem;
}
.fv-product-family-title {
  font-size: 2rem;
  margin: 0 0 0.5rem 0;
  color: var(--filtervina-primary, #1e2939);
}
.fv-product-family-sub {
  color: var(--filtervina-medium, #6b7280);
  max-width: 60ch;
  line-height: 1.6;
  margin: 0;
}

/* === Spec table inside product detail pages === */
.fv-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.95rem;
}
.fv-spec-table th,
.fv-spec-table td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--filtervina-border, #e5e7eb);
  text-align: left;
  vertical-align: top;
}
.fv-spec-table th {
  background: var(--filtervina-bg-soft, #f6f8fa);
  font-weight: 600;
  color: var(--filtervina-primary, #1e2939);
  width: 35%;
}

/* === Credits table === */
.fv-credits-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.fv-credits-table th,
.fv-credits-table td {
  padding: 0.6rem;
  border-bottom: 1px solid var(--filtervina-border, #e5e7eb);
  text-align: left;
}
.fv-credits-table th {
  background: var(--filtervina-bg-soft, #f6f8fa);
  font-weight: 600;
}