/* ===== Variables ===== */
:root {
  --primary: #0d6e6e;
  --primary-dark: #085454;
  --primary-light: #14a3a3;
  --accent: #e8a838;
  --accent-dark: #c48a20;
  --text: #1a2b3c;
  --text-muted: #5a6a7a;
  --bg: #ffffff;
  --bg-alt: #f4f8f9;
  --bg-dark: #0a3d3d;
  --border: #dde5ea;
  --shadow: 0 4px 24px rgba(13, 110, 110, 0.1);
  --shadow-lg: 0 12px 48px rgba(13, 110, 110, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --header-height: 72px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
ul { list-style: none; }

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 600px;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  text-decoration: none;
}
.logo-img {
  height: 52px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}
.footer .logo-img {
  height: 52px;
  max-width: 260px;
  margin-bottom: 16px;
}
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 16px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav a:hover, .nav a.active {
  color: var(--primary);
  background: rgba(13, 110, 110, 0.08);
}
.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 10px 20px !important;
}
.nav-cta:hover {
  background: var(--primary-dark) !important;
  color: #fff !important;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text);
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0a3d3d 0%, #0d6e6e 50%, #14a3a3 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: #fff;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.25);
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #1a2b3c;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #1a2b3c;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 168, 56, 0.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.hero-stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.hero-stat span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}
.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  opacity: 0.9;
}
.hero-molecule {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.2), transparent 60%),
              radial-gradient(circle at 70% 70%, rgba(232,168,56,0.15), transparent 50%);
  border: 2px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}
.hero-molecule-inner {
  text-align: center;
  color: #fff;
}
.hero-molecule-inner .formula {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 2px;
}
.hero-molecule-inner .name {
  font-size: 1rem;
  opacity: 0.8;
  margin-top: 8px;
}
.hero-visual-img {
  width: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  border: 3px solid rgba(255, 255, 255, 0.25);
  animation: float 6s ease-in-out infinite;
  line-height: 0;
}
.hero-visual-img img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  object-position: center;
  display: block;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: #fff;
}
.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Products ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-img {
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, #e8f4f4 0%, #c5e8e8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 16px;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.45s ease;
}
.product-card:hover .product-img img {
  transform: scale(1.03);
}
.product-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.product-img-icon {
  font-size: 3.5rem;
  opacity: 0.6;
}
.product-body { padding: 24px; }
.product-tag {
  display: inline-block;
  background: rgba(13, 110, 110, 0.1);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.product-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.product-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.product-specs span {
  background: var(--bg-alt);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== News ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.news-img {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 3rem;
  overflow: hidden;
  position: relative;
  padding: 12px;
}
.news-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.45s ease;
}
.news-card:hover .news-img img {
  transform: scale(1.03);
}
.news-body { padding: 24px; }
.news-date {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}
.news-body h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  line-height: 1.4;
}
.news-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image {
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  position: absolute;
  inset: 0;
  padding: 16px;
  box-sizing: border-box;
}
.about-image::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  z-index: 1;
  pointer-events: none;
}
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 61, 61, 0.35), transparent 55%);
  z-index: 1;
  pointer-events: none;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  background: var(--bg-alt);
  padding: 12px;
  box-sizing: border-box;
  transition: transform 0.45s ease;
}
.gallery-item:hover img {
  transform: scale(1.03);
}
.gallery-caption {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}
.gallery-caption h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 4px;
}
.gallery-caption p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.spec-table thead tr {
  background: var(--primary);
  color: #fff;
}
.spec-table th,
.spec-table td {
  padding: 14px 16px;
  text-align: left;
}
.spec-table tbody tr {
  border-bottom: 1px solid var(--border);
}
.spec-table tbody tr:last-child {
  border-bottom: none;
}
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.faq-item h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--primary-dark);
}
.faq-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.app-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}
.app-block h3 {
  color: var(--primary-dark);
  margin-bottom: 16px;
  font-size: 1.2rem;
}
.app-block ul {
  list-style: none;
}
.app-block li {
  padding: 8px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}
.app-block li:last-child { border-bottom: none; }
.app-block li strong {
  color: var(--text);
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.info-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.info-card h4 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
}
.info-card p, .info-card li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.info-card ul { list-style: none; }
.info-card li { margin-bottom: 6px; }
@media (max-width: 1024px) {
  .info-grid { grid-template-columns: 1fr; }
}
.showcase-banner {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 21 / 9;
  min-height: 280px;
  position: relative;
  background: var(--bg-alt);
}
.showcase-banner img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--bg-alt);
}
.showcase-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10, 61, 61, 0.75), transparent 60%);
  display: flex;
  align-items: center;
  padding: 40px;
  color: #fff;
}
.showcase-banner-overlay strong {
  font-size: 1.25rem;
  display: block;
  margin-bottom: 8px;
}
.showcase-banner-overlay p {
  opacity: 0.9;
  font-size: 0.95rem;
}
.about-content h2 { margin-bottom: 20px; }
.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-list {
  margin-top: 24px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text);
  font-weight: 500;
}
.about-list li::before {
  content: '✓';
  width: 28px;
  height: 28px;
  background: rgba(13, 110, 110, 0.1);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ===== Contact ===== */
.contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 auto 40px;
}
.contact-channel {
  padding: 20px 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-channel h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}
.contact-channel h4::before {
  content: "";
  display: block;
  width: 3px;
  height: 1.1em;
  background: var(--primary);
  border-radius: 1px;
  flex-shrink: 0;
}
.contact-channel a,
.contact-channel span {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary-light);
  line-height: 1.5;
  word-break: break-word;
}
.contact-channel a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}
@media (min-width: 640px) {
  .contact-channels {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .contact-channels {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}
.contact-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto 40px;
}
.contact-quick-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
}
.contact-quick-icon {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.contact-quick-item strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.contact-quick-item span,
.contact-quick-item a {
  font-size: 0.88rem;
  line-height: 1.4;
}
.contact-quick-item a {
  color: var(--primary);
  font-weight: 500;
}
.contact-quick-item a:hover { text-decoration: underline; }
.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  background: var(--bg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 110, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.inquiry-status {
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}
.inquiry-status.is-success {
  background: rgba(13, 110, 110, 0.1);
  color: var(--primary-dark);
  border: 1px solid rgba(13, 110, 110, 0.2);
}
.inquiry-status.is-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}
.btn.is-loading {
  opacity: 0.75;
  cursor: wait;
}
.inquiry-form-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Page Banner ===== */
.page-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  padding: 140px 0 60px;
  text-align: center;
  color: #fff;
}
.page-banner h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.page-banner p {
  font-size: 1.1rem;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}
.page-banner-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
  margin-top: 20px;
}
.page-banner-contact a {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition);
}
.page-banner-contact a:hover {
  color: #fff;
  text-decoration: underline;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.9rem;
  opacity: 0.8;
}
.breadcrumb a { color: rgba(255,255,255,0.9); }
.breadcrumb a:hover { color: #fff; }

/* ===== Timeline ===== */
.timeline { max-width: 800px; margin: 0 auto; }
.timeline-item {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  position: relative;
}
.timeline-year {
  width: 80px;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
  padding-top: 4px;
}
.timeline-content {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.timeline-content h3 { margin-bottom: 8px; }
.timeline-content p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== Certifications ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.cert-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}
.cert-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}
.cert-card h4 { font-size: 0.95rem; margin-bottom: 6px; }
.cert-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}
.cta-section p {
  opacity: 0.85;
  margin-bottom: 32px;
  font-size: 1.1rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.7;
}
.footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  opacity: 0.7;
}
.footer-network {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
  margin-bottom: 24px;
}
.footer-network h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
  opacity: 0.9;
}
.footer-network-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}
.footer-network-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-network-links a:hover,
.footer-network-links a[aria-current="page"] {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== Floating Social ===== */
.social-float {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.social-float-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}
.social-float a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: var(--text);
  transition: all var(--transition);
  text-decoration: none;
}
.social-float a svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}
.social-float a:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-lg);
  color: #fff;
}
.social-float a.social-tiktok:hover {
  background: #010101;
  border-color: #010101;
}
.social-float a.social-facebook:hover {
  background: #1877f2;
  border-color: #1877f2;
}
.social-float a.social-x:hover {
  background: #0f1419;
  border-color: #0f1419;
}
.social-float a.social-instagram:hover {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-color: #dc2743;
}
.social-float a.social-whatsapp {
  background: #25d366;
  border-color: #25d366;
  color: #fff;
}
.social-float a.social-whatsapp:hover {
  background: #1ebe57;
  border-color: #1ebe57;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    justify-content: center;
    padding-bottom: 60px;
  }
  .hero-visual {
    position: static;
    transform: none;
    right: auto;
    top: auto;
    width: 100%;
    max-width: 420px;
    margin: 48px auto 0;
    opacity: 1;
  }
  .hero-visual-img {
    width: 100%;
    animation: none;
  }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-quick-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .menu-toggle { display: block; }
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav a { width: 100%; padding: 12px 16px; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .features-grid,
  .products-grid,
  .news-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .page-banner { padding: 120px 0 48px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-visual-img img { max-height: 280px; }
  .showcase-banner { height: auto; min-height: 240px; }
  .social-float {
    top: auto;
    bottom: 20px;
    right: 12px;
    transform: none;
    flex-direction: row;
    align-items: flex-end;
    gap: 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .social-float-list {
    flex-direction: row;
    gap: 8px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .social-float a {
    width: 40px;
    height: 40px;
  }
  .social-float a svg {
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .cert-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .contact-quick-grid { grid-template-columns: 1fr; }
  .social-float {
    right: 8px;
    bottom: 16px;
  }
  .social-float-list {
    gap: 6px;
    padding: 6px 8px;
  }
  .social-float a {
    width: 36px;
    height: 36px;
  }
  .social-float a svg {
    width: 18px;
    height: 18px;
  }
}