/* Zafer Lift — Modern Corporate Static Site */
:root {
  --primary: #c8922a;
  --primary-dark: #a6741f;
  --primary-light: #e8b04a;
  --navy: #0f172a;
  --navy-light: #1e293b;
  --slate: #334155;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --radius: 12px;
  --radius-lg: 16px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --header-h: 72px;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate);
  background: var(--bg);
  overflow-x: hidden;
}

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

a { color: var(--primary-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }

.container { width: min(1200px, 100% - 2rem); margin-inline: auto; }

.skip-link {
  position: absolute; top: -100%; left: 1rem; z-index: 9999;
  background: var(--primary); color: #fff; padding: 0.5rem 1rem; border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}

.header-top {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  font-size: 0.8125rem;
}

.header-top-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.4rem 0; gap: 1rem; flex-wrap: wrap;
}

.header-contact { color: var(--primary-light); font-weight: 600; }
.header-contact:hover { color: #fff; }

.header-main {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.75rem 0; min-height: var(--header-h);
}

.logo img { width: auto; height: 44px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 0.5rem; margin-left: auto;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--navy);
  transition: var(--transition);
}

.nav { margin-left: auto; }

.nav-list {
  display: flex; align-items: center; gap: 0.25rem; list-style: none;
}

.nav-item { position: relative; }

.nav-link {
  display: block; padding: 0.5rem 0.875rem;
  color: var(--navy); font-weight: 500; font-size: 0.9375rem;
  border-radius: 8px;
}
.nav-link:hover, .nav-item.active > .nav-link { color: var(--primary-dark); background: rgba(200,146,42,0.08); }

.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 240px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: var(--transition); padding: 0.5rem; z-index: 100;
}
.nav-item.has-dropdown:hover .dropdown,
.nav-item.has-dropdown.open .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
  display: block; padding: 0.5rem 0.75rem; color: var(--slate);
  font-size: 0.875rem; border-radius: 6px;
}
.dropdown a:hover { background: var(--bg-alt); color: var(--primary-dark); }

.header-cta { display: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.25rem; font-weight: 600; font-size: 0.9375rem;
  border-radius: 8px; border: 2px solid transparent; cursor: pointer;
  transition: all var(--transition); font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-secondary { background: var(--navy); color: #fff; }
.btn-secondary:hover { background: var(--navy-light); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn-whatsapp { background: #25d366; color: #fff; border-color: #25d366; }
.btn-whatsapp:hover { background: #1da851; color: #fff; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }

/* Hero */
.hero { position: relative; background: var(--navy); overflow: hidden; }

.hero-slider { position: relative; min-height: clamp(420px, 55vh, 580px); }

.hero-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-slide.active { opacity: 1; position: relative; }

.hero-slide img {
  width: 100%; height: clamp(420px, 55vh, 580px);
  object-fit: cover; object-position: center;
}

.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.45) 55%, rgba(15,23,42,0.2) 100%);
}

.hero-content {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  color: #fff; max-width: 640px; padding: 2rem 0;
}
.hero-content h1, .hero-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 1rem;
}
.hero-content p { font-size: 1.0625rem; opacity: 0.9; margin-bottom: 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-dots {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.5rem; z-index: 3;
}
.hero-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.4); border: none; cursor: pointer;
  transition: var(--transition);
}
.hero-dot.active { background: var(--primary); transform: scale(1.2); }

/* Sections */
.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy); color: #fff; }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2rem); color: var(--navy); margin-bottom: 0.75rem; }
.section-header p { color: var(--gray); }

.eyebrow {
  display: inline-block; font-size: 0.8125rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--primary); margin-bottom: 0.5rem;
}

/* Intro */
.intro-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center;
}
.intro-grid h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); color: var(--navy); margin-bottom: 1rem; }
.intro-grid p { margin-bottom: 1.25rem; }

.intro-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.stat {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; text-align: center; box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.stat:hover { transform: translateY(-4px); }
.stat strong { display: block; font-size: 2rem; color: var(--primary); font-weight: 800; }
.stat span { font-size: 0.875rem; color: var(--gray); }

.check-list { list-style: none; margin: 1rem 0 1.5rem; }
.check-list li {
  padding: 0.35rem 0 0.35rem 1.75rem; position: relative;
}
.check-list li::before {
  content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 700;
}

/* Category grid */
.category-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1.5rem;
}
.category-card {
  position: relative;
  display: flex;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 22px;
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.1);
  color: #fff;
  isolation: isolate;
  background: var(--navy);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 20% 0%, rgba(232, 176, 74, 0.35), transparent 35%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(15, 23, 42, 0.82) 66%, rgba(15, 23, 42, 0.95) 100%);
  transition: opacity 0.35s ease;
}
.category-card::after {
  content: 'Detaylı İncele →';
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.15rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.category-card:hover {
  transform: translateY(-8px);
  border-color: rgba(200, 146, 42, 0.55);
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.18);
  color: #fff;
}
.category-card:hover::before {
  opacity: 0.92;
}
.category-card img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.55s ease, filter 0.55s ease;
}
.category-card:hover img {
  transform: scale(1.09);
  filter: saturate(1.08) contrast(1.04);
}
.category-card-body {
  position: relative;
  z-index: 2;
  align-self: flex-end;
  width: 100%;
  padding: 1.5rem 1.25rem 4.4rem;
}
.category-card-body::before {
  content: '';
  display: block;
  width: 52px;
  height: 4px;
  margin-bottom: 0.85rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.category-card-body h3 {
  max-width: 92%;
  font-size: 1.15rem;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 0.55rem;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.25);
}
.category-card-body p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Product cards */
.product-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem;
}
.product-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--border);
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card-link { display: block; color: inherit; padding-bottom: 1rem; }
.product-card-link:hover { color: inherit; }
.product-card-img {
  background: var(--bg-alt); aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.product-card-img img { max-height: 200px; object-fit: contain; }
.product-card h3 { font-size: 0.9375rem; color: var(--navy); padding: 0.75rem 1rem 0.25rem; }
.product-card p { font-size: 0.8125rem; color: var(--gray); padding: 0 1rem; }
.product-card-cta { display: block; padding: 0.5rem 1rem; font-size: 0.8125rem; font-weight: 600; color: var(--primary); }

.category-section { margin-bottom: 3rem; }
.category-section h2 { font-size: 1.375rem; color: var(--navy); margin-bottom: 1.25rem; }
.category-section h2 a { color: inherit; }
.category-section h2 a:hover { color: var(--primary); }

/* Sectors */
.sector-grid { display: flex; flex-wrap: wrap; gap: 0.625rem; justify-content: center; }
.sector-tag {
  background: #fff; border: 1px solid var(--border); padding: 0.5rem 1rem;
  border-radius: 999px; font-size: 0.875rem; font-weight: 500; color: var(--slate);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.use-case-card {
  display: grid;
  grid-template-rows: 180px 1fr;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 22px;
  background: #fff;
  color: inherit;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.09);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.use-case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(200, 146, 42, 0.48);
  box-shadow: 0 24px 54px rgba(15, 23, 42, 0.15);
  color: inherit;
}

.use-case-media {
  position: relative;
  overflow: hidden;
  background: var(--navy);
}

.use-case-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.38));
}

.use-case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.45s ease, filter 0.45s ease;
}

.use-case-card:hover .use-case-media img {
  transform: scale(1.08);
  filter: saturate(1.08) contrast(1.04);
}

.use-case-body {
  padding: 1.25rem;
}

.use-case-kicker {
  display: inline-flex;
  margin-bottom: 0.55rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(200, 146, 42, 0.12);
  color: var(--primary-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.use-case-body h3 {
  color: var(--navy);
  font-size: 1.16rem;
  margin-bottom: 0.45rem;
}

.use-case-body p {
  color: var(--gray);
  font-size: 0.92rem;
  margin-bottom: 0.95rem;
}

.use-case-solutions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.use-case-solutions span {
  display: inline-flex;
  padding: 0.32rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--slate);
  font-size: 0.75rem;
  font-weight: 700;
}

/* CTA */
.cta-banner { text-align: center; padding: 1rem 0; }
.cta-banner h2 { font-size: clamp(1.375rem, 3vw, 1.875rem); margin-bottom: 0.75rem; }
.cta-banner p { opacity: 0.85; margin-bottom: 1.5rem; max-width: 520px; margin-inline: auto; }
.cta-inline { text-align: center; padding: 2.5rem 0; }
.cta-inline h2 { font-size: 1.375rem; color: var(--navy); margin-bottom: 1rem; }

/* Page hero */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff; padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; margin-top: 0.75rem; }
.page-hero .lead { opacity: 0.9; font-size: 1.0625rem; max-width: 640px; margin-top: 0.75rem; }

.breadcrumb ol {
  display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none;
  font-size: 0.8125rem; opacity: 0.85;
}
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 0.35rem; opacity: 0.5; }
.breadcrumb a { color: var(--primary-light); }
.breadcrumb a:hover { color: #fff; }

/* Product detail */
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start;
}
.product-detail-media {
  background: var(--bg-alt); border-radius: var(--radius-lg);
  padding: 2rem; border: 1px solid var(--border);
}
.product-detail-media img { margin: 0 auto; max-height: 420px; object-fit: contain; }
.product-detail-info .eyebrow { margin-bottom: 0.75rem; }
.product-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

.product-sections { padding-bottom: 3rem; }
.content-block { margin-bottom: 2.5rem; }
.content-block h2 { font-size: 1.375rem; color: var(--navy); margin-bottom: 0.75rem; }
.content-block p { margin-bottom: 0.75rem; }

.spec-table-wrap { overflow-x: auto; margin-top: 1rem; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.spec-table th, .spec-table td {
  padding: 0.75rem 1rem; text-align: left; border: 1px solid var(--border);
}
.spec-table th { background: var(--bg-alt); font-weight: 600; color: var(--navy); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.faq-item summary {
  padding: 1rem 1.25rem; font-weight: 600; color: var(--navy);
  cursor: pointer; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; float: right; color: var(--primary); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 1.25rem 1rem; font-size: 0.9375rem; }

/* Prose */
.prose { max-width: 720px; }
.prose p { margin-bottom: 1rem; }
.prose h2 { font-size: 1.375rem; color: var(--navy); margin: 1.5rem 0 0.75rem; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.info-card {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.75rem;
}
.info-card h2 { font-size: 1.25rem; color: var(--navy); margin-bottom: 0.75rem; }

/* About media */
.about-media-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 1.5rem;
  align-items: stretch;
}

.about-video-card,
.about-image-card {
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 52px rgba(15, 23, 42, 0.11);
}

.about-video-card {
  display: grid;
  grid-template-rows: auto 1fr;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 20% 10%, rgba(232, 176, 74, 0.28), transparent 34%),
    linear-gradient(135deg, var(--navy), var(--navy-light));
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.about-media-content {
  padding: 1.5rem;
}

.about-media-content h3 {
  color: var(--navy);
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.65rem;
}

.about-media-content p {
  color: var(--gray);
}

.about-image-card {
  position: relative;
  min-height: 100%;
  isolation: isolate;
}

.about-image-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 35%, rgba(15, 23, 42, 0.88) 100%);
}

.about-image-card img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.about-image-overlay {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 2;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.58);
  color: #fff;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.about-image-overlay strong,
.about-image-overlay span {
  display: block;
}

.about-image-overlay strong {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.about-image-overlay span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.contact-list { list-style: none; margin: 1rem 0 1.5rem; }
.contact-list li { padding: 0.4rem 0; }

.contact-form {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.75rem;
}
.contact-form h2 { font-size: 1.125rem; color: var(--navy); margin-bottom: 1rem; }
.form-row { margin-bottom: 1rem; }
.form-row label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.35rem; color: var(--navy); }
.form-row input, .form-row textarea {
  width: 100%; padding: 0.625rem 0.875rem; border: 1px solid var(--border);
  border-radius: 8px; font-family: inherit; font-size: 0.9375rem;
  transition: border-color var(--transition);
}
.form-row input:focus, .form-row textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(200,146,42,0.15);
}
.turnstile-widget {
  min-height: 65px;
}

.contact-form button[disabled] {
  cursor: wait;
  opacity: 0.75;
}

.form-status {
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 0.75rem;
  min-height: 1.4em;
}

.form-status.success { color: #15803d; }
.form-status.error { color: #b91c1c; }
.form-status.info { color: var(--gray); }

.map-wrap { grid-column: 1 / -1; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.map-wrap iframe { width: 100%; height: 400px; border: 0; display: block; }

/* References */
.ref-grid { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.ref-badge {
  background: #fff; border: 1px solid var(--border); padding: 0.625rem 1.25rem;
  border-radius: 8px; font-weight: 600; color: var(--navy); font-size: 0.9375rem;
}

.reference-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.reference-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: 1.15rem;
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.94)),
    #fff;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.reference-logo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 146, 42, 0.45);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
}

.reference-logo-card img {
  max-width: 100%;
  max-height: 72px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.04);
  opacity: 0.88;
  transition: filter 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}

.reference-logo-card:hover img {
  filter: grayscale(0) contrast(1);
  opacity: 1;
  transform: scale(1.04);
}

.home-reference-strip {
  margin-top: 2rem;
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.blog-card a {
  color: inherit;
  display: block;
}

.blog-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: var(--bg-alt);
}

.blog-card-body {
  padding: 1.25rem;
}

.blog-card time,
.article-meta {
  color: var(--gray);
  font-size: 0.8125rem;
  font-weight: 500;
}

.blog-card h2,
.blog-card h3 {
  color: var(--navy);
  font-size: 1.0625rem;
  line-height: 1.35;
  margin: 0.5rem 0;
}

.blog-card p {
  color: var(--gray);
  font-size: 0.9375rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2.5rem;
  align-items: start;
}

.article-content {
  max-width: 820px;
}

.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  background: var(--bg-alt);
}

.article-cover img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
}

.article-content h2 {
  color: var(--navy);
  font-size: 1.5rem;
  margin: 2rem 0 0.75rem;
}

.article-content h3 {
  color: var(--navy);
  font-size: 1.125rem;
  margin: 1.25rem 0 0.5rem;
}

.article-content p {
  margin-bottom: 1rem;
}

.article-content .internal-link {
  color: var(--primary-dark);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(200, 146, 42, 0.35);
  text-underline-offset: 3px;
}

.article-content .internal-link:hover {
  color: var(--navy);
  text-decoration-color: var(--primary);
}

.article-sidebar {
  position: sticky;
  top: 120px;
}

.sidebar-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.sidebar-card h2,
.sidebar-card h3 {
  color: var(--navy);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.sidebar-card ul {
  list-style: none;
}

.sidebar-card li {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.8); margin-top: auto; }
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem; padding: 3rem 0 2rem;
}
.footer-col h3 { color: #fff; font-size: 0.9375rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a { color: rgba(255,255,255,0.75); font-size: 0.875rem; }
.footer-col a:hover { color: var(--primary-light); }
.footer-logo { margin-bottom: 1rem; opacity: 0.95; }
.footer-contact li { font-size: 0.875rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0; text-align: center; font-size: 0.8125rem;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999;
  width: 56px; height: 56px; background: #25d366; color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); color: #fff; box-shadow: 0 6px 28px rgba(37,211,102,0.55); }

/* Responsive */
@media (min-width: 1024px) {
  .header-cta { display: inline-flex; margin-left: 0.5rem; }
}

@media (max-width: 1023px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: #fff; padding: 1rem; transform: translateX(100%);
    transition: transform var(--transition); overflow-y: auto;
    margin-left: 0; z-index: 999;
  }
  .nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; }
  .nav-link { padding: 0.875rem 1rem; }
  .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding-left: 1rem; display: none;
  }
  .nav-item.has-dropdown.open .dropdown { display: block; }
  .intro-grid, .product-detail-grid, .contact-grid, .two-col, .article-layout, .about-media-grid { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .about-image-card img { min-height: 320px; }
  .header-top { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}