/* ==========================================================================
   MedDevice custom CSS — loaded after core style.css via nav.php
   Prefix: md-
   Premium medical device design
   ========================================================================== */

/* ---------- 1. Brand overrides ---------- */
:root {
  --font-display: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-main: 'Inter', sans-serif;
  --clr-accent: #0B3D91;
  --clr-accent-dim: #092F73;
  --clr-accent-light: #E8EEF8;
  --clr-surface: #F8F9FC;
  --clr-surface-2: #EFF1F7;
  --clr-footer-bg: #0A1628;
  --radius-lg: 20px;
  --radius-md: 12px;
  --shadow-sm: 0 1px 3px rgba(11,61,145,0.06);
  --shadow-md: 0 4px 16px rgba(11,61,145,0.08);
  --shadow-lg: 0 12px 32px rgba(11,61,145,0.12);
  --shadow-xl: 0 24px 48px rgba(11,61,145,0.14);
}

/* ---------- 1b. Global polish ---------- */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

section { padding: 80px 0; }

h1, h2, h3, h4 {
  letter-spacing: -0.02em;
}

/* Nav CTA button brand color */
.nav-cta,
.nav-cta-btn,
a.nav-cta {
  background: var(--clr-accent) !important;
  border-color: var(--clr-accent) !important;
}

.nav-cta:hover,
.nav-cta-btn:hover,
a.nav-cta:hover {
  background: var(--clr-accent-dim) !important;
}

/* Buttons brand color */
.btn-primary {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  border-radius: var(--radius-md);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--clr-accent-dim);
  border-color: var(--clr-accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11,61,145,0.25);
}

.btn-primary i {
  transition: transform 0.3s ease;
}

.btn-primary:hover i {
  transform: translateX(3px);
}

.btn-outline {
  border: 2px solid var(--clr-accent);
  color: var(--clr-accent);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.btn-outline:hover {
  background: var(--clr-accent);
  color: #fff;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* ---------- 1c. CORE hero override ---------- */
.hero-section {
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero-section h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem) !important;
  opacity: 0.9;
  max-width: 560px;
}

.hero-overlay {
  background: linear-gradient(135deg, rgba(10,22,40,0.75) 0%, rgba(11,61,145,0.55) 100%) !important;
}

.hero-no-image {
  background: linear-gradient(135deg, #0B3D91 0%, #1a5fc9 50%, #0A1628 100%) !important;
}

/* ---------- 1d. CORE services override ---------- */
.services-section .card,
.service-card {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background: #fff;
  position: relative;
  overflow: hidden;
}

.services-section .card:hover,
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(11,61,145,0.12);
  border-color: var(--clr-accent);
}

.services-section .card::before,
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), #1a5fc9);
  transform: scaleX(0);
  transition: transform 0.35s ease;
}

.services-section .card:hover::before,
.service-card:hover::before {
  transform: scaleX(1);
}

.services-section .card h3,
.service-card h3 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-top: 16px;
}

.services-section .icon-circle,
.service-card .icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  transition: all 0.3s ease;
}

.services-section .card:hover .icon-circle,
.service-card:hover .icon-circle {
  background: var(--clr-accent);
  color: #fff;
  transform: scale(1.1);
}

/* ---------- 1e. CORE about/stats override ---------- */
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.03em;
}

/* ---------- 1f. CORE contact-bar ---------- */
.contact-bar-section {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
}

/* ---------- 1g. Section headings ---------- */
.section-title,
section > .container > h2:first-child {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--clr-accent), #1a5fc9);
}

/* ---------- 1h. Section label ---------- */
.md-section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* ==========================================================================
   2. MD HERO — Premium full-bleed
   ========================================================================== */
.md-hero {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  background: #0A1628;
  padding: 0;
}

.md-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.md-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.md-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.8) 0%, rgba(11,61,145,0.5) 100%);
}

.md-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 480px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.md-hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 13px;
}

.md-hero-breadcrumb a,
.md-hero-breadcrumb span {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.md-hero-breadcrumb a:hover {
  color: #fff;
}

.md-bc-sep {
  font-size: 9px;
  color: rgba(255,255,255,0.4);
}

.md-hero-content h1 {
  color: #fff;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 16px;
  max-width: 700px;
}

.md-hero-subtitle {
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.6;
  margin-bottom: 32px;
}

.md-hero-cta {
  background: #fff !important;
  color: var(--clr-accent) !important;
  border: none !important;
  font-weight: 700;
  align-self: flex-start;
}

.md-hero-cta:hover {
  background: var(--clr-accent-light) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* ==========================================================================
   3. MD INTRO — Premium layout
   ========================================================================== */
.md-intro {
  padding: 96px 0;
}

.md-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.md-intro-heading {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--clr-text);
}

.md-intro-body {
  color: var(--clr-text-muted);
  line-height: 1.85;
  font-size: 15px;
}

.md-intro-body p {
  margin-bottom: 16px;
}

.md-intro-body strong {
  color: var(--clr-text);
  font-weight: 600;
}

.md-intro-media {
  position: relative;
}

.md-intro-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.md-intro-media::after {
  content: '';
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  background: var(--clr-accent-light);
  z-index: -1;
}

/* ==========================================================================
   4. DEVICE QUICK NAV — Sticky product selector
   ========================================================================== */
.md-device-nav {
  background: #fff;
  border-bottom: 1px solid var(--clr-border, #e5e7eb);
  z-index: 50;
  padding: 0;
  transition: box-shadow 0.3s ease;
}

.md-device-nav--stuck {
  position: sticky;
  top: 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.md-device-nav-track {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 12px 0;
}

.md-device-nav-track::-webkit-scrollbar {
  display: none;
}

.md-device-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.md-device-nav-item img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 8px;
}

.md-device-nav-item:hover {
  background: var(--clr-surface);
  color: var(--clr-accent);
}

.md-device-nav-item--active {
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}

/* ==========================================================================
   5. DEVICE SECTIONS — Premium product showcase
   ========================================================================== */
.md-device-section {
  padding: 96px 0;
  background: #fff;
}

.md-device-section--alt {
  background: var(--clr-surface);
}

/* Device header */
.md-device-header {
  text-align: center;
  margin-bottom: 56px;
}

.md-device-name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.md-device-tagline {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Showcase grid */
.md-device-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.md-device-showcase--reverse {
  direction: rtl;
}

.md-device-showcase--reverse > * {
  direction: ltr;
}

/* Media column */
.md-device-hero-img {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
  text-align: center;
}

.md-device-section--alt .md-device-hero-img {
  background: #fff;
}

.md-device-hero-img img {
  max-height: 400px;
  width: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.md-device-hero-img:hover img {
  transform: scale(1.03);
}

/* Device gallery */
.md-device-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.md-device-gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
}

.md-device-gallery img:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-md);
}

/* Video embed */
.md-video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 24px 0;
}

.md-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-lg);
}

/* Info column */
.md-device-desc {
  color: var(--clr-text-muted);
  line-height: 1.85;
  font-size: 15px;
  margin-bottom: 32px;
}

.md-device-desc p {
  margin-bottom: 14px;
}

.md-device-desc strong {
  color: var(--clr-text);
  font-weight: 600;
}

.md-device-desc ul {
  padding-left: 0;
  list-style: none;
  margin: 16px 0;
}

.md-device-desc ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
}

.md-device-desc ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-accent);
}

/* Feature grid */
.md-device-features {
  margin-bottom: 32px;
}

.md-device-features h4,
.md-device-indications h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-text-muted);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--clr-border, #e5e7eb);
}

.md-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.md-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.md-device-section--alt .md-feature-item {
  background: #fff;
}

.md-feature-item:hover {
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-sm);
}

.md-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.md-feature-item:hover .md-feature-icon {
  background: var(--clr-accent);
  color: #fff;
}

.md-feature-item span {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--clr-text);
  font-weight: 500;
}

/* Indications tags */
.md-device-indications {
  margin-bottom: 32px;
}

.md-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.md-tag {
  display: inline-block;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 100px;
  padding: 7px 18px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.md-tag:hover {
  background: var(--clr-accent);
  color: #fff;
}

/* Device CTA button */
.md-device-cta {
  margin-top: 8px;
}

/* ==========================================================================
   6. STUDIES — Academic card design
   ========================================================================== */
.md-studies-section {
  background: var(--clr-surface);
}

.md-studies-heading {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  color: var(--clr-text);
}

.md-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.md-study-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid transparent;
}

.md-study-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--clr-accent-light);
}

.md-study-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 20px;
}

.md-study-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--clr-text);
  line-height: 1.4;
}

.md-study-card p {
  font-size: 14px;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.md-study-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s ease;
}

.md-study-link:hover {
  gap: 10px;
}

/* ==========================================================================
   7. CTA SECTION — Premium gradient
   ========================================================================== */
.md-cta-section {
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}

.md-cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0B3D91 0%, #1a5fc9 50%, #0A1628 100%);
}

.md-cta-bg::before {
  content: '';
  position: absolute;
  top: -40%; right: -15%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}

.md-cta-bg::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
}

.md-cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.md-cta-section h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.md-cta-section p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.md-cta-section .btn-primary {
  background: #fff !important;
  color: var(--clr-accent) !important;
  border: none !important;
  font-weight: 700;
}

.md-cta-section .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}

/* ==========================================================================
   8. BREADCRUMB (legacy support)
   ========================================================================== */
.breadcrumb {
  font-size: 14px;
}

.breadcrumb a {
  color: var(--clr-text-muted);
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--clr-accent);
}

/* ==========================================================================
   9. Homepage — Hero Poster Slider
   ========================================================================== */
.md-hero-slider {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 560px;
  max-height: 780px;
  overflow: hidden;
  background: #0A1628;
  padding: 0;
}

.md-hero-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.md-hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.md-hero-slide--active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.md-hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.75) 0%, rgba(11,61,145,0.35) 60%, rgba(0,0,0,0.3) 100%);
  z-index: 1;
}

.md-hero-slide .container {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}

.md-hero-slide-content {
  max-width: 680px;
}

.md-hero-slide-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  backdrop-filter: blur(4px);
}

.md-hero-slide-content h1 {
  color: #fff;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 12px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.md-hero-slide-content p {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 32px;
}

.md-hero-slide-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Buttons */
.md-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.md-btn i { transition: transform 0.3s ease; }
.md-btn:hover i { transform: translateX(4px); }

.md-btn--primary {
  background: var(--clr-accent);
  color: #fff;
}
.md-btn--primary:hover {
  background: var(--clr-accent-dim);
  box-shadow: 0 8px 24px rgba(11,61,145,0.3);
}

.md-btn--white {
  background: #fff;
  color: var(--clr-accent);
}
.md-btn--white:hover {
  background: var(--clr-accent-light);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.md-btn--lg {
  padding: 18px 40px;
  font-size: 17px;
}

/* Play button */
.md-hero-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.md-hero-play-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.md-hero-play-icon i {
  font-size: 16px;
  margin-left: 3px;
}

.md-hero-play-btn:hover .md-hero-play-icon {
  background: rgba(255,255,255,0.25);
  border-color: #fff;
  transform: scale(1.08);
}

/* Slider nav dots with progress bar */
.md-hero-slider-nav {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}

.md-hero-slider-dot {
  position: relative;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 100px;
  padding: 10px 22px;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.md-hero-slider-dot:hover {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

.md-hero-slider-dot--active {
  background: var(--clr-accent);
  color: #fff;
}

.md-hero-slider-dot-progress {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: rgba(255,255,255,0.2);
  border-radius: 100px;
  transition: width 0.1s linear;
}

.md-hero-slider-dot--active .md-hero-slider-dot-progress {
  animation: sliderProgress 3s linear forwards;
}

@keyframes sliderProgress {
  from { width: 0; }
  to   { width: 100%; }
}

/* Video Lightbox */
.md-video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s ease;
}

.md-video-lightbox--open {
  opacity: 1;
  visibility: visible;
}

.md-video-lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.md-video-lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}

.md-video-lightbox-wrap {
  width: 90vw;
  max-width: 1100px;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.md-video-lightbox-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   9b. Homepage — Sections
   ========================================================================== */

/* Section header */
.md-section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.md-section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.md-section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #1a1a2e;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.md-section-header p {
  color: #64748b;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Categories grid */
.md-home-categories {
  padding: 100px 0;
  background: var(--clr-surface);
}

.md-categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.md-category-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-decoration: none;
  color: inherit;
  transition: all 0.35s ease;
  border: 1px solid transparent;
  position: relative;
}

.md-category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent-light);
}

.md-category-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  --icon-color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.md-category-icon svg {
  width: 26px;
  height: 26px;
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
}
.md-category-card:hover .md-category-icon {
  background: var(--clr-accent);
  color: #fff;
}
.md-category-card:hover .md-category-icon svg {
  transform: scale(1.15);
}

.md-category-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 8px;
}

.md-category-card p {
  font-size: 0.88rem;
  color: #64748b;
  line-height: 1.5;
  margin-bottom: 16px;
}

.md-category-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-surface);
  color: var(--clr-accent);
  font-size: 12px;
  transition: all 0.3s ease;
}

.md-category-card:hover .md-category-arrow {
  background: var(--clr-accent);
  color: #fff;
  transform: translateX(4px);
}

/* About section */
.md-home-about {
  padding: 100px 0;
  background: #fff;
}

.md-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.md-about-content .md-section-label {
  margin-bottom: 16px;
}

.md-about-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.md-about-content p {
  color: #64748b;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.md-about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.md-stat-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.md-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.md-stat-value {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.md-stat-label {
  display: block;
  font-size: 0.88rem;
  color: #64748b;
  font-weight: 500;
}

/* CTA section */
.md-home-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-dim) 100%);
  text-align: center;
}

.md-home-cta h2 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.md-home-cta p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   10. Utility
   ========================================================================== */
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background-color: var(--clr-bg);
  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='%236B7280' d='M6 8.825a.5.5 0 0 1-.354-.146l-4-4a.5.5 0 1 1 .708-.708L6 7.617l3.646-3.646a.5.5 0 1 1 .708.708l-4 4A.5.5 0 0 1 6 8.825z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px;
  appearance: none;
  font-size: 15px;
  color: var(--clr-text);
  transition: border-color var(--transition);
}

.form-select:focus {
  outline: none;
  border-color: var(--clr-accent);
}

/* Sticky footer CTA polish */
.sticky-cta {
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.95) !important;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

/* ==========================================================================
   11. Page Hero (kapcsolat, szerviz, etc.)
   ========================================================================== */
.md-page-hero {
  background: linear-gradient(135deg, #0A1628 0%, var(--clr-accent) 100%);
  padding: 120px 0 60px;
  color: #fff;
}

.md-page-hero--compact {
  padding: 100px 0 48px;
}

.md-page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.md-page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 540px;
}

.md-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.md-breadcrumb a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.md-breadcrumb a:hover { color: #fff; }
.md-breadcrumb i { font-size: 9px; }

/* ==========================================================================
   12. Contact / Service page
   ========================================================================== */
.md-contact-section {
  padding: 80px 0;
  background: var(--clr-surface);
}

.md-contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

/* Form card */
.md-contact-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.md-contact-form-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f0f0f5;
}

.md-contact-form-header > i {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.md-contact-form-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 4px;
}

.md-contact-form-header p {
  font-size: 0.9rem;
  color: #64748b;
}

/* Form fields */
.md-form-row {
  margin-bottom: 0;
}

.md-form-row--2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.md-form-group {
  margin-bottom: 20px;
}

.md-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.md-form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  font-size: 15px;
  color: #1a1a2e;
  background: #fff;
  transition: all 0.2s ease;
  font-family: inherit;
}

.md-form-input:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(11,61,145,0.08);
}

.md-form-input::placeholder {
  color: #9ca3af;
}

.md-form-select {
  appearance: none;
  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='%236B7280' d='M6 8.825a.5.5 0 0 1-.354-.146l-4-4a.5.5 0 1 1 .708-.708L6 7.617l3.646-3.646a.5.5 0 1 1 .708.708l-4 4A.5.5 0 0 1 6 8.825z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px;
  padding-right: 40px;
}

.md-form-gdpr {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 13px;
  color: #64748b;
}

.md-form-gdpr input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--clr-accent);
}

.md-form-gdpr a {
  color: var(--clr-accent);
  text-decoration: none;
}

.md-form-gdpr a:hover { text-decoration: underline; }

.md-btn--full {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 16px;
}

.md-form-message {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
}

.md-form-message--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.md-form-message--success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* Sidebar */
.md-contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.md-contact-info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.md-contact-info-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #f0f0f5;
}

.md-contact-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

a.md-contact-info-item:hover {
  color: var(--clr-accent);
}

.md-contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.md-contact-info-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #9ca3af;
  margin-bottom: 2px;
}

.md-contact-info-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: #1a1a2e;
}

/* Trust card */
.md-contact-trust-card {
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-dim) 100%);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.md-contact-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 0;
}

.md-contact-trust-item i {
  font-size: 16px;
  opacity: 0.8;
  width: 20px;
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .md-contact-grid { grid-template-columns: 1fr; }
  .md-form-row--2col { grid-template-columns: 1fr; }
  .md-contact-form-card { padding: 24px; }
  .md-page-hero { padding: 80px 0 40px; }
}

/* ==========================================================================
   20. MEGA MENU — Premium navigation
   ========================================================================== */

/* Header z-index — sticky on desktop */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
}

/* Container — positioned ancestor for mega panels */
.md-mega-nav .nav-container {
  position: relative;
}

/* Mega panel — ALWAYS hidden by default at every viewport */
.md-mega-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  border-top: 2px solid var(--clr-accent);
  box-shadow: 0 20px 60px rgba(11,61,145,0.12), 0 4px 20px rgba(0,0,0,0.06);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.25s,
              transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  padding: 32px 0;
  background: #fff;
}

/* Hover bridge: invisible area between nav-link and panel to keep hover alive */
.md-mega-panel::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 20px;
}

/* Desktop mega menu */
@media (min-width: 769px) {
  .md-mega-menu {
    display: flex !important;
    align-items: center;
    gap: 0;
  }

  /* Items are static so panel aligns to nav-container (position:relative) */
  .md-mega-item {
    position: static !important;
  }

  .md-mega-item > .nav-link {
    cursor: default;
  }

  /* JS controls open/close via this class */
  .md-mega-item.md-mega-item--open > .md-mega-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
}

/* Mobile: hide desktop mega panels entirely */
@media (max-width: 768px) {
  .md-mega-panel {
    display: none !important;
  }
}

.md-mega-panel-inner {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 40px;
}

.md-mega-panel--compact .md-mega-panel-inner {
  max-width: 480px;
  margin-left: auto;
  margin-right: 24px;
}

/* Groups */
.md-mega-group {
  flex: 1;
  min-width: 200px;
}

.md-mega-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
  padding: 0 12px 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--clr-border, #e5e7eb);
}

/* Links */
.md-mega-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s ease;
}

.md-mega-link:hover {
  background: var(--clr-surface);
}

.md-mega-link--active {
  background: var(--clr-accent-light);
}

/* Icon — custom SVG */
.md-mega-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(.4,0,.2,1);
}
.md-mega-icon svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
}
.md-mega-link:hover .md-mega-icon {
  background: var(--clr-accent);
  color: #fff;
}
.md-mega-link:hover .md-mega-icon svg {
  transform: scale(1.15);
}

/* Mobile SVG icons */
.md-mobile-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  vertical-align: middle;
  margin-right: 6px;
  color: var(--clr-accent);
}
.md-mobile-icon svg {
  width: 16px;
  height: 16px;
}

/* Text */
.md-mega-link-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.md-mega-link-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-text);
  line-height: 1.3;
}

.md-mega-link-desc {
  font-size: 12px;
  color: var(--clr-text-muted);
  line-height: 1.4;
}

.md-mega-link:hover .md-mega-link-label {
  color: var(--clr-accent);
}

/* Featured mega link — highlighted bg + badge */
.md-mega-link--featured {
  background: linear-gradient(135deg, #F0F4FF 0%, #E8EEF8 100%);
  border: 1px solid rgba(11, 61, 145, 0.08);
}

.md-mega-link--featured:hover {
  background: linear-gradient(135deg, #E4ECFB 0%, #D9E4F5 100%);
}

.md-mega-link--featured .md-mega-icon {
  background: var(--clr-accent);
  color: #fff;
}

.md-mega-link--featured .md-mega-icon svg {
  transform: scale(1.05);
}

.md-mega-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--clr-accent);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1;
  position: relative;
  top: -1px;
}

/* Mobile mega menu */
.md-mobile-group-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-text-muted);
  padding: 12px 16px 4px;
  list-style: none;
}

.md-mobile-icon {
  width: 16px;
  text-align: center;
  margin-right: 6px;
  color: var(--clr-accent);
  font-size: 12px;
}

.md-mobile-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.md-mobile-toggle i {
  transition: transform 0.25s ease;
  font-size: 12px;
}

.nav-mobile-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-mobile-sub.open {
  max-height: 800px;
}

/* Footer white logo */
.footer .footer-brand img {
  filter: brightness(0) invert(1);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
  section { padding: 56px 0; }

  /* Hero */
  .md-hero { min-height: 380px; }
  .md-hero-content { min-height: 380px; padding-top: 24px; }
  .md-hero-video { display: none; }
  .md-hero-cta { display: none; }
  .hero-section { min-height: 380px; }

  /* Intro */
  .md-intro { padding: 64px 0; }
  .md-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .md-intro-media::after { display: none; }

  /* Device nav */
  .md-device-nav-item img { width: 28px; height: 28px; }
  .md-device-nav-item { padding: 8px 14px; font-size: 13px; }

  /* Device sections */
  .md-device-section { padding: 64px 0; }
  .md-device-showcase { grid-template-columns: 1fr; gap: 40px; }
  .md-device-showcase--reverse { direction: ltr; }
  .md-device-header { margin-bottom: 40px; }

  /* Feature grid */
  .md-feature-grid { grid-template-columns: 1fr; }

  /* Device gallery */
  .md-device-gallery { grid-template-columns: 1fr 1fr; }

  /* Studies */
  .md-studies-grid { grid-template-columns: 1fr; }

  /* CTA */
  .md-cta-section { padding: 64px 0; }

  /* Hero Slider */
  .md-hero-slider { height: 65vh; min-height: 420px; }
  .md-hero-slide-content h1 { font-size: 2rem; }
  .md-hero-slide-actions { gap: 12px; }
  .md-hero-slider-nav { flex-wrap: wrap; justify-content: center; bottom: 16px; gap: 6px; }
  .md-hero-slider-dot { padding: 6px 14px; font-size: 11px; }
  .md-hero-slider-dot-label { display: none; }
  .md-hero-slider-dot::after {
    content: '';
    display: block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: currentColor;
  }

  /* Homepage sections */
  .md-categories-grid { grid-template-columns: 1fr; }
  .md-about-grid { grid-template-columns: 1fr; gap: 40px; }
  .md-about-stats { grid-template-columns: 1fr 1fr; }

  /* Video lightbox */
  .md-video-lightbox-wrap { width: 95vw; border-radius: var(--radius-md); }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .md-categories-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .md-hero-content h1 { font-size: 2rem; }
  .md-hero-slide-content h1 { font-size: 1.7rem; }
  .md-device-name { font-size: 1.8rem; }
  .md-device-gallery { grid-template-columns: 1fr; }
  .md-device-hero-img { padding: 20px; }
  .md-about-stats { grid-template-columns: 1fr; }
  .md-hero-play-btn span { display: none; }
}