:root {
  --bg: #ffffff;
  --bg-elevated: #f8fafc;
  --bg-card: #ffffff;
  --surface: rgba(15, 23, 42, 0.03);
  --border: rgba(15, 23, 42, 0.1);
  --border-hover: rgba(13, 148, 136, 0.4);
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #0d9488;
  --accent-2: #0891b2;
  --accent-glow: rgba(13, 148, 136, 0.2);
  --gradient: linear-gradient(135deg, #0d9488 0%, #0891b2 50%, #0284c7 100%);
  --gradient-soft: linear-gradient(135deg, rgba(13,148,136,0.08) 0%, rgba(8,145,178,0.05) 100%);
  --font-display: 'Jost', system-ui, sans-serif;
  --font-body: 'Jost', system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* Page loader */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.page-loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.page-loader-logo {
  width: min(280px, 70vw);
  height: auto;
  animation: loaderPulse 1.4s ease-in-out infinite;
}
.page-loader-bar {
  width: 120px;
  height: 3px;
  background: rgba(13, 148, 136, 0.15);
  border-radius: 99px;
  overflow: hidden;
}
.page-loader-bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: var(--gradient);
  border-radius: 99px;
  animation: loaderBar 1.1s ease-in-out infinite;
}
@keyframes loaderPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(0.97); }
}
@keyframes loaderBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}
body.is-loading { overflow: hidden; }

/* Ambient — subtle light */
.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ambient-orb {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.18;
  animation: float 12s ease-in-out infinite;
}
.ambient-orb:nth-child(1) { width: 500px; height: 500px; background: #99f6e4; top: -150px; right: -80px; }
.ambient-orb:nth-child(2) { width: 400px; height: 400px; background: #bae6fd; bottom: 10%; left: -100px; animation-delay: -4s; }
.ambient-orb:nth-child(3) { width: 280px; height: 280px; background: #ccfbf1; top: 40%; right: 25%; animation-delay: -8s; opacity: 0.12; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -15px) scale(1.03); }
}
.grid-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(15,23,42,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
}

.announce-bar {
  position: relative; z-index: 100; background: var(--gradient);
  text-align: center; font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.02em; padding: 0.6rem 1rem; color: #fff;
  overflow: hidden;
}
.announce-viewport {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  height: 1.35rem;
  overflow: hidden;
}
.announce-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(110%);
  transition: opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  padding: 0 0.5rem;
}
.announce-slide.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.announce-slide.is-exit {
  opacity: 0;
  transform: translateY(-110%);
}
.announce-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 100%;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.announce-item:hover { opacity: 0.85; }
.announce-item strong { font-weight: 600; }
.announce-sep { opacity: 0.75; flex-shrink: 0; }
.announce-desc {
  opacity: 0.9;
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 640px) {
  .announce-desc { display: none; }
  .announce-sep { display: none; }
}

.site-header {
  position: sticky; top: 0; z-index: 90; height: var(--header-h);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px) saturate(1.2);
  background: rgba(255, 255, 255, 0.88);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 36px; width: auto; object-fit: contain; }
.footer-logo .logo-img { height: 32px; }

.nav-desktop { display: flex; align-items: center; gap: 0.25rem; }
.nav-desktop a {
  padding: 0.5rem 0.9rem; font-size: 0.88rem; font-weight: 500;
  color: var(--text-muted); border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-desktop a:hover, .nav-desktop a.active,
.nav-dropdown-toggle:hover, .nav-dropdown-toggle.active {
  color: var(--accent); background: rgba(13, 148, 136, 0.08);
}
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: stretch;
  border-radius: var(--radius-sm);
}
.nav-dropdown-link {
  padding: 0.5rem 0.55rem 0.5rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  transition: var(--transition);
}
.nav-dropdown-chevron-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.45rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: var(--transition);
}
.nav-dropdown-link:hover,
.nav-dropdown-link.active,
.nav-dropdown-chevron-btn:hover,
.nav-dropdown.is-active .nav-dropdown-link,
.nav-dropdown.is-active .nav-dropdown-chevron-btn,
.nav-dropdown.open .nav-dropdown-link,
.nav-dropdown.open .nav-dropdown-chevron-btn {
  color: var(--accent);
  background: rgba(13, 148, 136, 0.08);
}
.nav-dropdown-chevron {
  width: 14px; height: 14px; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s ease;
}
.nav-dropdown.open .nav-dropdown-chevron { transform: rotate(180deg); }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 0.35rem); left: 0; min-width: 280px;
  max-height: 70vh; overflow-y: auto;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  padding: 0.4rem; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 200;
}
.nav-dropdown-menu--corporate {
  min-width: 240px;
  padding: 0.5rem;
}
.nav-dropdown-menu--corporate a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}
.nav-dropdown-menu--corporate .nav-dropdown-cta {
  margin-top: 0.35rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
  font-weight: 600;
  color: var(--accent);
}
.nav-dropdown-link--label {
  cursor: pointer;
  font-weight: 500;
  color: var(--text);
}
.mobile-nav-section {
  width: 100%;
  margin: 0.5rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}
.mobile-nav-section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}
.mobile-nav-section-links {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.mobile-nav-section-links a,
.mobile-nav-section > a {
  display: block;
  width: 100%;
  padding: 0.55rem 0 0.55rem 0.85rem;
  font-family: var(--font) !important;
  font-size: 0.95rem !important;
  font-weight: 500 !important;
  line-height: 1.45;
  text-align: left;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  transition: var(--transition);
}
.mobile-nav-section-links a:hover,
.mobile-nav-section > a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
}

.nav-dropdown-menu--products { min-width: 320px; padding: 0.5rem; }
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown-menu a {
  display: block; padding: 0.55rem 0.75rem; font-size: 0.84rem;
  color: var(--text-muted); border-radius: 6px; transition: var(--transition);
}
.nav-dropdown-menu a:hover {
  color: var(--accent); background: rgba(13, 148, 136, 0.08);
}
.nav-dropdown-all {
  font-weight: 600 !important; color: var(--text) !important;
  border-bottom: 1px solid var(--border); margin-bottom: 0.35rem;
  border-radius: 6px 6px 0 0 !important;
  padding-bottom: 0.6rem !important;
}
.nav-dropdown-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0 0.75rem 0.65rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.35rem;
}
.nav-dropdown-cat {
  display: inline-flex !important;
  align-items: center;
  padding: 0.28rem 0.65rem !important;
  font-size: 0.72rem !important;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.08);
  color: var(--accent) !important;
  white-space: nowrap;
}
.nav-dropdown-cat:hover {
  background: rgba(13, 148, 136, 0.15);
}
.mobile-nav-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 0 0.75rem;
  margin-bottom: 0.25rem;
}
.mobile-nav-cat {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  font-size: 0.76rem;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--accent);
  line-height: 1.2;
  text-align: center;
}
.mobile-nav-products-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0.75rem 0 0.35rem;
  padding: 0 0.25rem;
}
.nav-dropdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
}
.nav-dropdown-product {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem !important;
  font-size: 0.8rem !important;
  line-height: 1.3;
}
.nav-dropdown-product img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--bg);
}

.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.btn-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: grid; place-items: center; color: var(--text-muted); transition: var(--transition);
}
.btn-icon:hover { background: var(--surface); color: var(--text); }
.btn-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem; border-radius: var(--radius-sm);
  font-size: 0.88rem; font-weight: 600; transition: var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 4px 16px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--bg); }
.btn-ghost:hover { border-color: var(--border-hover); background: rgba(13, 148, 136, 0.05); }

.menu-toggle { display: none; }

/* Language switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 3px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  flex-shrink: 0;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 32px;
  padding: 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-radius: 100px;
  transition: var(--transition);
}
a.lang-btn:hover { color: var(--accent); background: rgba(13, 148, 136, 0.08); }
.lang-btn.active {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.lang-divider {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
}
.mobile-nav .lang-switcher {
  margin: 0;
  flex-shrink: 0;
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 0;
}
.mobile-nav.open { opacity: 1; visibility: visible; }

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.mobile-nav-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem 2rem;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.mobile-nav-primary {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  width: 100%;
}

.mobile-nav-primary > a {
  display: block;
  width: 100%;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  padding: 0.65rem 0;
  text-align: left;
  color: var(--text);
  transition: var(--transition);
}
.mobile-nav-primary > a:hover { color: var(--accent); }

.mobile-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--accent); }

.mobile-nav-products {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.35rem;
  max-height: 36vh;
  overflow-y: auto;
  padding: 0.35rem 0 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.mobile-nav-product-link {
  display: flex !important;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  font-family: var(--font) !important;
  text-align: left;
  padding: 0.4rem 0;
  line-height: 1.35;
}
.mobile-nav-product-link img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.mobile-nav-close {
  position: static;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 1.1rem;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

main { position: relative; z-index: 1; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 6rem 0; }

.section-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.section-label::before {
  content: ''; width: 24px; height: 2px; background: var(--gradient); border-radius: 2px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 1rem;
}
.section-desc { color: var(--text-muted); font-size: 1.05rem; max-width: 560px; }

.hero {
  padding: 5rem 0 7rem; min-height: calc(100vh - var(--header-h) - 36px);
  display: flex; align-items: center;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.9rem 0.4rem 0.5rem; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: 100px;
  font-size: 0.8rem; font-weight: 500; color: var(--text-muted); margin-bottom: 1.5rem;
}
.hero-badge-dot { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 1.25rem;
}
.hero h1 em {
  font-style: normal; background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-text { color: var(--text-muted); font-size: 1.1rem; max-width: 480px; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 0; }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-card {
  position: relative; width: 100%; max-width: 480px; aspect-ratio: 1;
  border-radius: 24px; background: var(--bg-card); border: 1px solid var(--border);
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.hero-card-glow {
  position: absolute; inset: -1px; border-radius: 24px;
  background: var(--gradient); opacity: 0.08; z-index: -1;
}
.hero-card-inner {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 2rem; text-align: center;
}

/* Hero product flow */
.hero-card--flow {
  min-height: 420px;
  aspect-ratio: auto;
}
.hero-flow {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.75rem 0.65rem;
  overflow: hidden;
}
.hero-flow--2 { grid-template-columns: repeat(2, 1fr); }
.hero-flow-col {
  overflow: hidden;
  min-width: 0;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.hero-flow-track {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  will-change: transform;
}
.hero-flow-col--up .hero-flow-track {
  animation: heroFlowUp var(--flow-duration, 28s) linear infinite;
}
.hero-flow-col--down .hero-flow-track {
  animation: heroFlowDown var(--flow-duration, 32s) linear infinite;
}
.hero-flow:hover .hero-flow-track {
  animation-play-state: paused;
}
.hero-flow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.4rem 0.55rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  flex-shrink: 0;
  pointer-events: auto;
}
.hero-flow-item:hover {
  border-color: var(--border-hover);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}
.hero-flow-item img {
  width: 100%;
  height: 72px;
  object-fit: contain;
  padding: 0.1rem;
}
.hero-flow-name {
  font-size: 0.58rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-muted);
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.4em;
}
.hero-flow-overlay {
  position: absolute;
  left: 50%;
  bottom: 0.85rem;
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}
.hero-flow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}
.hero-flow-count {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.85);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}
.hero-flow-badge::before {
  content: '⚡';
  font-size: 0.85rem;
}
@keyframes heroFlowUp {
  from { transform: translateY(0); }
  to { transform: translateY(-33.333%); }
}
@keyframes heroFlowDown {
  from { transform: translateY(-33.333%); }
  to { transform: translateY(0); }
}

.charge-ring { width: 200px; height: 200px; position: relative; margin-bottom: 1.5rem; }
.charge-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.charge-ring circle { fill: none; stroke-width: 6; }
.charge-ring .track { stroke: rgba(15,23,42,0.06); }
.charge-ring .fill {
  stroke: url(#ringGrad); stroke-linecap: round;
  stroke-dasharray: 440; stroke-dashoffset: 110;
  animation: chargeAnim 3s ease-in-out infinite;
}
@keyframes chargeAnim { 0%, 100% { stroke-dashoffset: 110; } 50% { stroke-dashoffset: 40; } }
.charge-icon { position: absolute; inset: 0; display: grid; place-items: center; font-size: 3rem; }
.charge-percent { font-family: var(--font-display); font-size: 2rem; font-weight: 700; margin-bottom: 0.25rem; }
.charge-label { font-size: 0.85rem; color: var(--text-muted); }
.floating-chip {
  position: absolute; padding: 0.6rem 1rem; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.78rem; font-weight: 500; box-shadow: var(--shadow);
  animation: floatChip 6s ease-in-out infinite; white-space: nowrap;
}
.floating-chip:nth-child(1) { top: 10%; left: -10%; }
.floating-chip:nth-child(2) { bottom: 15%; right: -8%; animation-delay: -2s; }
.floating-chip:nth-child(3) { top: 55%; left: -15%; animation-delay: -4s; }
@keyframes floatChip { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.about-section { background: var(--bg-elevated); }
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }
.tab-list { display: flex; flex-direction: column; gap: 0.5rem; }
.tab-btn {
  text-align: left; padding: 1.25rem 1.5rem; border-radius: var(--radius);
  border: 1px solid transparent; transition: var(--transition); background: transparent;
}
.tab-btn:hover { background: var(--surface); }
.tab-btn.active {
  background: var(--bg-card); border-color: var(--border-hover);
  box-shadow: var(--shadow);
}
.tab-btn h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
.tab-btn p { font-size: 0.82rem; color: var(--text-muted); }
.tab-panel {
  display: none; padding: 2.5rem; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); animation: fadeUp 0.4s ease;
}
.tab-panel.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.tab-panel h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--accent); }
.tab-panel p { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.95rem; }
.tab-panel p:last-child { margin-bottom: 0; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-top: 4rem; }
.stat-card {
  padding: 2rem 1.5rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center; transition: var(--transition);
  box-shadow: var(--shadow);
}
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.stat-number {
  font-family: var(--font-display); font-size: 2.75rem; font-weight: 800;
  background: var(--gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1; margin-bottom: 0.5rem;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }

.products-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 2rem; margin-bottom: 3rem; flex-wrap: wrap;
}
.filter-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-pill {
  padding: 0.45rem 1rem; border-radius: 100px; font-size: 0.8rem; font-weight: 500;
  color: var(--text-muted); border: 1px solid var(--border); transition: var(--transition);
  background: var(--bg);
}
.filter-pill:hover, .filter-pill.active {
  color: var(--accent); border-color: var(--accent); background: rgba(13, 148, 136, 0.08);
}
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem;
}
.product-card {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: var(--transition);
  box-shadow: var(--shadow);
}
.product-card:hover {
  border-color: var(--border-hover); transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-thumb {
  aspect-ratio: 4/3; background: var(--gradient-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; position: relative; overflow: hidden;
}
.product-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.35s ease;
}
.product-card:hover .product-thumb img { transform: scale(1.04); }
.product-card[data-cat="stand-dikey"] .product-thumb,
.product-card[data-cat="stand-display"] .product-thumb {
  aspect-ratio: 3 / 5;
}
.product-card[data-cat="stand-dikey"] .product-thumb img,
.product-card[data-cat="stand-display"] .product-thumb img {
  object-fit: contain;
  padding: 0.5rem;
  max-width: 92%;
  max-height: 96%;
  width: auto;
  height: auto;
}
.product-card[data-cat="stand-dikey"]:hover .product-thumb img,
.product-card[data-cat="stand-display"]:hover .product-thumb img {
  transform: scale(1.02);
}
.product-thumb-fallback { font-size: 3rem; }
.product-body { padding: 1.25rem 1.5rem 1.5rem; }
.product-tag {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.4rem;
}
.product-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.product-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }
.product-link {
  display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 1rem;
  font-size: 0.82rem; font-weight: 600; color: var(--accent);
  opacity: 0; transform: translateX(-8px); transition: var(--transition);
}
.product-card:hover .product-link { opacity: 1; transform: translateX(0); }

.features-section {
  background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feature-card {
  padding: 2rem; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg-card); transition: var(--transition); box-shadow: var(--shadow);
}
.feature-card:hover { border-color: var(--border-hover); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--gradient-soft);
  border: 1px solid var(--border); display: grid; place-items: center;
  font-size: 1.4rem; margin-bottom: 1.25rem;
}
.feature-card h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.88rem; color: var(--text-muted); }

.cta-banner {
  margin: 0 1.5rem; max-width: calc(1280px - 3rem); margin-left: auto; margin-right: auto;
  padding: 4rem; border-radius: 24px; background: var(--gradient);
  text-align: center; position: relative; overflow: hidden;
}
.cta-banner h2 {
  font-family: var(--font-display); font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700; color: #fff; margin-bottom: 0.75rem; position: relative;
}
.cta-banner p { color: rgba(255,255,255,0.9); margin-bottom: 2rem; position: relative; }
.cta-banner .btn-ghost {
  background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.35);
  color: #fff; position: relative;
}
.cta-banner .btn-ghost:hover { background: rgba(255,255,255,0.25); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--bg-elevated); border: 1px solid var(--border);
  display: grid; place-items: center; font-size: 1.1rem; flex-shrink: 0;
}
.contact-item h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.2rem; }
.contact-item p, .contact-item a { font-size: 0.9rem; color: var(--text-muted); }
.contact-item a:hover { color: var(--accent); }

.contact-form {
  padding: 2.5rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 500; color: var(--text-muted); margin-bottom: 0.4rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: inherit; font-size: 0.9rem; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.social-links { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.social-links a {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--bg-elevated); border: 1px solid var(--border);
  display: grid; place-items: center; font-size: 0.85rem; font-weight: 700;
  color: var(--text-muted); transition: var(--transition);
}
.social-links a:hover { border-color: var(--accent); color: var(--accent); }

.site-footer { border-top: 1px solid var(--border); padding: 1.75rem 0 1.1rem; margin-top: 3rem; background: var(--bg-elevated); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1.15fr 1.05fr 0.85fr;
  gap: 1rem 1.5rem;
  margin-bottom: 1.1rem;
  align-items: start;
}
.footer-brand p { color: var(--text-muted); font-size: 0.82rem; margin-top: 0.45rem; max-width: 250px; line-height: 1.45; }
.footer-col h4 {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.4rem;
}
.footer-col a { display: block; font-size: 0.82rem; color: var(--text-muted); padding: 0.12rem 0; transition: var(--transition); line-height: 1.35; }
.footer-col a:hover { color: var(--accent); }
.footer-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.65rem;
  margin-bottom: 0.4rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--border);
}
.footer-group-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.footer-group-links a {
  font-size: 0.8rem;
  padding: 0.1rem 0;
  line-height: 1.32;
}
.footer-col--groups,
.footer-col--products,
.footer-col--corporate { min-width: 0; }
.footer-contact { display: flex; flex-direction: column; gap: 0.25rem; }
.footer-contact-item {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin: 0;
}
.footer-contact-item a { color: var(--text-muted); transition: var(--transition); }
.footer-contact-item a:hover { color: var(--accent); }
.footer-contact-link {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
}
.footer-contact-link:hover { opacity: 0.85; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem; padding-top: 0.9rem; border-top: 1px solid var(--border);
  font-size: 0.76rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--accent); }
.footer-engineered { text-align: right; }
.footer-engineered a { font-weight: 600; }

.footer-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  padding-bottom: calc(0.85rem + env(safe-area-inset-bottom, 0px));
  background: #25d366;
  color: #fff;
  font-size: 0.88rem;
  transition: background 0.25s ease;
  z-index: 85;
}
.footer-whatsapp:hover {
  background: #1ebe57;
  color: #fff;
}
.footer-whatsapp-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  flex-shrink: 0;
}
.footer-whatsapp-text {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
  line-height: 1.3;
}
.footer-whatsapp-text strong { font-weight: 600; }
.footer-whatsapp-text span { opacity: 0.95; font-weight: 500; }

@media (max-width: 768px) {
  .footer-whatsapp {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    box-shadow: 0 -4px 24px rgba(15, 23, 42, 0.14);
  }
  body {
    padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
  }
  .site-footer {
    margin-bottom: 0;
  }
  .footer-whatsapp-text {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
  }
  .footer-whatsapp-text span {
    font-size: 0.82rem;
  }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-flow-track {
    animation: none !important;
  }
}

@media (max-width: 1024px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .hero-card { max-width: 360px; margin: 0 auto; min-height: 360px; }
  .hero-flow { grid-template-columns: repeat(3, 1fr); gap: 0.4rem; padding: 0.6rem 0.5rem; }
  .hero-flow-item img { height: 58px; }
  .hero-flow-name { font-size: 0.52rem; min-height: 2.2em; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .footer-brand { grid-column: 1 / -1; max-width: 380px; }
  .header-inner { gap: 1rem; }
  .nav-desktop a { padding: 0.45rem 0.65rem; font-size: 0.82rem; }
}
@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .header-actions .btn-cta { display: none; }
  .menu-toggle { display: grid; }
}
@media (max-width: 768px) {
  .logo-img { height: 28px; }
  .announce-bar { font-size: 0.72rem; padding: 0.5rem 0.75rem; }
  .hero { padding: 3rem 0 2.5rem; min-height: auto; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  .floating-chip { display: none; }
  .products-header { flex-direction: column; align-items: flex-start; }
  .filter-pills { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.25rem; -webkit-overflow-scrolling: touch; }
  .filter-pill { flex-shrink: 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .cta-banner { padding: 2.5rem 1.5rem; margin: 0 1rem; }
  section { padding: 4rem 0; }
  .header-inner { padding: 0 1rem; }
  .container { padding: 0 1rem; }
  .lang-btn { min-width: 32px; height: 28px; font-size: 0.7rem; }
  .tab-btn { padding: 1rem; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-detail-visual { font-size: 4rem; min-height: 200px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-engineered { text-align: center; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .stat-card { padding: 1.25rem 1rem; }
  .stat-number { font-size: 2rem; }
}