/* ===========================
   KEYMAX INDUSTRY CO., LTD.
   CSS Styles
   =========================== */

:root {
  --primary:    #1a3a6b;
  --primary-light: #2355a0;
  --accent:     #e8a020;
  --accent-dark:#c4861a;
  --dark:       #0d1f3c;
  --gray-dark:  #2c3e50;
  --gray:       #6c7a89;
  --gray-light: #ecf0f3;
  --white:      #ffffff;
  --text:       #2d3748;
  --text-light: #718096;
  --border:     #dde2ec;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.08);
  --shadow-md:  0 8px 32px rgba(0,0,0,.12);
  --shadow-lg:  0 16px 48px rgba(0,0,0,.16);
  --radius:     12px;
  --radius-lg:  20px;
  --transition: .3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans Thai', sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-header.light h2 { color: var(--white); }
.section-header.light .section-subtitle { color: rgba(255,255,255,.75); }
.section-tag {
  display: inline-block;
  background: rgba(26,58,107,.1);
  color: var(--primary-light);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.tag-light {
  background: rgba(255,255,255,.2);
  color: var(--white);
}
.section-subtitle {
  color: var(--text-light);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 20px 0;
}
#navbar.scrolled {
  background: rgba(13,31,60,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.logo-img { height: 40px; width: auto; }
.logo-text-fallback {
  display: none;
  align-items: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: .02em;
}
.logo-k {
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  font-size: .92rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--dark);
    flex-direction: column;
    gap: 0;
    padding: 80px 32px 40px;
    transition: right var(--transition);
    box-shadow: -4px 0 24px rgba(0,0,0,.3);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.1rem; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 60%, #1a5296 100%);
  overflow: hidden;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  background: rgba(232,160,32,.4);
  border-radius: 50%;
  animation: float linear infinite;
}
@keyframes float {
  0%   { transform: translateY(100vh) rotate(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,160,32,.15);
  border: 1px solid rgba(232,160,32,.3);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: .05em;
}
.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}
.hero-title-main {
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  letter-spacing: -.03em;
  text-shadow: 0 4px 32px rgba(0,0,0,.3);
}
.hero-title-sub {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,.7);
  font-weight: 400;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-top: 8px;
}
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: var(--dark);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,160,32,.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.1);
  transform: translateY(-2px);
}
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-indicator span {
  display: block;
  width: 24px; height: 40px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
}
.hero-scroll-indicator span::before {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: rgba(255,255,255,.7);
  border-radius: 2px;
  animation: scroll-down 2s infinite;
}
@keyframes scroll-down {
  0%   { top: 6px; opacity: 1; }
  100% { top: 22px; opacity: 0; }
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--primary);
  padding: 24px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--white);
  padding: 12px;
  border-right: 1px solid rgba(255,255,255,.15);
}
.stat-item:last-child { border-right: none; }
.stat-item i { font-size: 1.8rem; color: var(--accent); }
.stat-number {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
}
.stat-label {
  display: block;
  font-size: .78rem;
  color: rgba(255,255,255,.65);
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
}

/* ===== ABOUT ===== */
.section-about {
  padding: 100px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text p {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 1rem;
}
.about-text strong { color: var(--text); }
.about-info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.info-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 16px;
}
.info-card i {
  color: var(--primary-light);
  font-size: 1.2rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.info-label {
  display: block;
  font-size: .75rem;
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 2px;
}
.info-value {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
}
.about-vision {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.vision-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.vision-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 120px; height: 120px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
}
.vision-icon {
  width: 48px; height: 48px;
  background: rgba(255,255,255,.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.vision-icon i { font-size: 1.3rem; }
.vision-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.vision-card p {
  font-size: .9rem;
  color: rgba(255,255,255,.8);
  line-height: 1.7;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 560px) {
  .about-info-cards { grid-template-columns: 1fr; }
}

/* ===== BUSINESS ===== */
.section-business {
  padding: 100px 0;
  background: linear-gradient(160deg, var(--dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}
.section-business::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: rgba(255,255,255,.03);
  border-radius: 50%;
  pointer-events: none;
}
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.business-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  color: var(--white);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.business-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,.3);
  background: rgba(255,255,255,.12);
}
.business-card.featured {
  background: rgba(232,160,32,.15);
  border-color: rgba(232,160,32,.4);
}
.business-number {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255,255,255,.08);
  line-height: 1;
}
.business-icon {
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.business-icon i { font-size: 1.5rem; color: var(--dark); }
.business-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.business-card p {
  font-size: .88rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 20px;
  line-height: 1.7;
}
.business-card ul { display: flex; flex-direction: column; gap: 8px; }
.business-card li {
  font-size: .84rem;
  color: rgba(255,255,255,.6);
  padding-left: 18px;
  position: relative;
}
.business-card li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
@media (max-width: 900px) {
  .business-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

/* ===== PRODUCTS ===== */
.section-products {
  padding: 100px 0;
  background: var(--gray-light);
}
.product-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  border: 2px solid var(--border);
  background: var(--white);
  color: var(--gray);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.tab-btn:hover { border-color: var(--primary-light); color: var(--primary-light); }
.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.product-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.relay-icon  { background: #e8f4ff; color: #1a6cb5; }
.ssr-icon    { background: #fff3e0; color: #e65100; }
.socket-icon { background: #f3e5f5; color: #7b1fa2; }
.switch-icon { background: #e8f5e9; color: #2e7d32; }
.lamp-icon   { background: #fffde7; color: #f57f17; }
.product-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.product-desc {
  font-size: .85rem;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.6;
}
.product-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.product-specs span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--gray);
}
.product-specs i { color: var(--primary-light); font-size: .75rem; }
.product-models {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-models code {
  display: inline-block;
  background: var(--gray-light);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: .78rem;
  color: var(--primary);
  font-family: 'Inter', monospace;
}
.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.product-features li {
  font-size: .83rem;
  color: var(--text-light);
  padding-left: 16px;
  position: relative;
}
.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #2e7d32;
  font-size: .75rem;
}

/* Contactor Table */
.product-intro {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  border-left: 4px solid var(--primary);
}
.product-intro p { color: var(--text-light); font-size: .95rem; }
.contactor-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.product-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: .9rem;
}
.product-table th {
  background: var(--primary);
  color: var(--white);
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}
.product-table td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.product-table tr:hover td { background: #f8fafc; }
.product-table tr:last-child td { border-bottom: none; }
.table-note {
  font-size: .8rem;
  color: var(--gray);
  margin-top: 12px;
  text-align: center;
}

/* Cable section */
.cable-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
.cable-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.cable-text > p {
  color: var(--text-light);
  margin-bottom: 28px;
}
.cable-features {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cable-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.cable-feature i { color: var(--primary-light); font-size: 1.1rem; margin-top: 2px; flex-shrink: 0; }
.cable-feature strong { display: block; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.cable-feature span { font-size: .88rem; color: var(--text-light); }
.cable-image-placeholder {
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  gap: 12px;
  flex-shrink: 0;
}
.cable-image-placeholder i { font-size: 4rem; opacity: .5; }
.cable-image-placeholder span { font-size: .9rem; opacity: .7; font-weight: 600; }
@media (max-width: 768px) {
  .cable-intro { grid-template-columns: 1fr; }
  .cable-image-placeholder { width: 100%; height: 180px; }
}

/* ===== WHY US ===== */
.section-why {
  padding: 100px 0;
  background: var(--white);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.why-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.why-icon i { font-size: 1.5rem; color: var(--white); }
.why-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.why-card p { font-size: .87rem; color: var(--text-light); line-height: 1.6; }
@media (max-width: 900px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* ===== CONTACT ===== */
.section-contact {
  padding: 100px 0;
  background: linear-gradient(160deg, var(--dark) 0%, var(--primary) 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.company-name-block { margin-bottom: 32px; }
.company-name-block h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.company-name-th {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
}
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  color: var(--white);
}
.contact-item-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item-icon i { font-size: 1rem; color: var(--accent); }
.contact-item strong {
  display: block;
  font-size: .75rem;
  color: rgba(255,255,255,.5);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 2px;
}
.contact-item span, .contact-item a {
  font-size: .95rem;
  color: rgba(255,255,255,.85);
}
.contact-item a:hover { color: var(--accent); }
.address-en {
  display: block;
  font-size: .8rem !important;
  color: rgba(255,255,255,.45) !important;
  margin-top: 2px;
}
.contact-reg {
  margin-top: 28px;
  padding: 14px 20px;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  color: rgba(255,255,255,.6);
  font-size: .84rem;
}
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 20px;
}
.contact-social {
  display: flex;
  gap: 12px;
}
.social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: .88rem;
  font-weight: 600;
  transition: all var(--transition);
  flex: 1;
  justify-content: center;
}
.social-btn.fb {
  background: #1877f2;
  color: var(--white);
}
.social-btn.fb:hover { background: #1565c0; }
.social-btn.line {
  background: #06c755;
  color: var(--white);
}
.social-btn.line:hover { background: #05a847; }
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo-img { height: 40px; margin-bottom: 12px; }
.footer-logo-fallback {
  display: none;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-logo p {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  line-height: 1.6;
}
.footer-links h4,
.footer-products h4,
.footer-contact h4 {
  color: var(--white);
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 16px;
}
.footer-links a,
.footer-products a {
  display: block;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-links a:hover,
.footer-products a:hover { color: var(--accent); }
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  margin-bottom: 8px;
}
.footer-contact i { color: var(--accent); font-size: .9rem; }
.footer-contact a { color: rgba(255,255,255,.5); }
.footer-contact a:hover { color: var(--accent); }
.footer-bottom {
  padding: 20px 0;
  background: rgba(0,0,0,.2);
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-bottom span {
  color: rgba(255,255,255,.35);
  font-size: .8rem;
}
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ===== BACK TO TOP ===== */
#back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 500;
}
#back-to-top.visible { opacity: 1; transform: translateY(0); }
#back-to-top:hover { background: var(--primary-light); }

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== LANG TOGGLE ===== */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  color: rgba(255,255,255,.7);
  padding: 5px 12px;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  letter-spacing: .05em;
}
.lang-btn:hover {
  border-color: rgba(255,255,255,.7);
  color: #fff;
}
.lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
}
#navbar.scrolled .lang-btn {
  border-color: rgba(26,58,107,.4);
  color: var(--primary);
}
#navbar.scrolled .lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
#navbar.scrolled .lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
}
.lang-sep {
  color: rgba(255,255,255,.3);
  font-size: .8rem;
  user-select: none;
}
#navbar.scrolled .lang-sep { color: rgba(26,58,107,.3); }

.address-alt {
  display: block;
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  margin-top: 2px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .section-about,
  .section-business,
  .section-products,
  .section-why,
  .section-contact { padding: 64px 0; }
  .section-header { margin-bottom: 36px; }

  .lang-toggle { order: -1; }
  .nav-right { gap: 12px; }
}