/* =============================================
   LONGMEI FLOOR MATS — WEBSITE STYLESHEET
   ============================================= */

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #1a3a5c;
  --primary-light: #2563eb;
  --primary-dark: #0f2340;
  --accent: #c8a96e;
  --accent-light: #e8c97e;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --dark-bg: #0d1f36;
  --dark-bg2: #112240;
  --section-padding: 100px 0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

.section { padding: var(--section-padding); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 169, 110, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-full { width: 100%; justify-content: center; }

/* ===== SECTION LABELS ===== */
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-light);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.tag-light {
  background: rgba(200, 169, 110, 0.2);
  color: var(--accent-light);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.section-title.light { color: var(--white); }

.section-desc {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-desc.light { color: rgba(255,255,255,0.75); }

/* ===== NAVIGATION ===== */
.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.nav-wrapper.scrolled {
  background: rgba(10, 25, 50, 0.97);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.logo-icon {
  font-size: 20px;
  background: var(--accent);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--white);
}

.logo-sub {
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.15em;
  opacity: 0.7;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.1); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--primary-dark) !important;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: translateY(-1px);
}

/* ===== LANGUAGE SWITCH ===== */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 6px 14px;
  cursor: pointer;
  transition: var(--transition);
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.lang-switch:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
}

.lang-en, .lang-zh {
  transition: var(--transition);
  color: rgba(255,255,255,0.45);
}

.lang-en.active, .lang-zh.active {
  color: var(--white);
}

.lang-divider {
  color: rgba(255,255,255,0.25);
}

.nav-right-mobile {
  display: none;
  align-items: center;
  gap: 8px;
}

.mobile-lang {
  padding: 5px 10px;
  font-size: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(10, 25, 50, 0.98);
  padding: 16px 24px;
  gap: 4px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark-bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(200, 169, 110, 0.1) 0%, transparent 50%),
    linear-gradient(135deg, #0d1f36 0%, #112240 50%, #0d1f36 100%);
  z-index: 0;
}

/* Subtle grid pattern overlay */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 60px;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(200, 169, 110, 0.15);
  border: 1px solid rgba(200, 169, 110, 0.3);
  border-radius: 100px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
}

.hero-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-accent {
  color: var(--accent);
  display: block;
}

.hero-desc {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255,255,255,0.75);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 40px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.4s both;
}

.stat { text-align: left; }

.stat-num {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  letter-spacing: 0.1em;
  animation: fadeIn 1s ease 1s both;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce 2s ease infinite;
}

/* ===== MARQUEE ===== */
.marquee-bar {
  background: var(--primary);
  padding: 16px 0;
  overflow: hidden;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  gap: 32px;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.marquee-track .dot {
  color: var(--accent);
}

/* ===== ABOUT ===== */
.about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual { position: relative; }

.about-img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}

.about-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.mat-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 2px, transparent 2px, transparent 30px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 2px, transparent 2px, transparent 30px);
}

.about-img-label {
  position: relative;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  font-weight: 500;
  background: rgba(0,0,0,0.3);
  padding: 6px 12px;
  border-radius: 6px;
  backdrop-filter: blur(8px);
}

.about-badge-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  min-width: 180px;
}

.badge-icon { font-size: 32px; }

.about-badge-card strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

.about-badge-card p {
  font-size: 13px;
  color: var(--gray-500);
  margin: 0;
}

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

.about-lead {
  font-size: 18px;
  font-weight: 500;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-body {
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 40px;
}

.about-highlights { display: flex; flex-direction: column; gap: 20px; }

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}

.highlight-icon { font-size: 22px; flex-shrink: 0; }

.highlight-item strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.highlight-item span { font-size: 13px; color: var(--gray-500); }

/* ===== PRODUCTS ===== */
.products { background: var(--gray-50); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card.featured {
  grid-column: span 1;
  border: 2px solid var(--accent);
}

.product-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--gray-100);
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.product-count {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.product-body p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  flex: 1;
}

.product-features li {
  font-size: 13px;
  color: var(--gray-700);
  padding-left: 20px;
  position: relative;
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: 700;
}

.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 600;
  margin-top: auto;
  transition: var(--transition);
}

.product-cta:hover { gap: 10px; color: var(--primary); }

/* ===== WHY US ===== */
.why-us {
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(200, 169, 110, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.why-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(200, 169, 110, 0.3);
  transform: translateY(-4px);
}

.why-icon { font-size: 36px; margin-bottom: 16px; }

.why-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.why-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ===== PROCESS ===== */
.process-section { position: relative; z-index: 1; }

.process-title {
  text-align: center;
  color: var(--white);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 40px;
}

.process-steps {
  display: flex;
  align-items: center;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.process-step {
  flex: 1;
  min-width: 160px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  position: relative;
}

.step-num {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.step-icon { font-size: 28px; margin-bottom: 12px; }

.process-step h4 {
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p { color: rgba(255,255,255,0.55); font-size: 12px; line-height: 1.5; }

.process-arrow {
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== INDUSTRIES ===== */
.industries { background: var(--white); }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.industry-card {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.industry-card:hover {
  border-color: var(--primary-light);
  background: rgba(37, 99, 235, 0.04);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.industry-icon { font-size: 36px; margin-bottom: 12px; }

.industry-card h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.industry-card p { font-size: 11px; color: var(--gray-500); line-height: 1.5; }

/* ===== CERTIFICATIONS ===== */
.certifications { background: var(--gray-50); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid transparent;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--accent);
}

.cert-icon { font-size: 44px; margin-bottom: 16px; }

.cert-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.cert-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* ===== CONTACT ===== */
.contact { background: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-title {
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 40px;
}

.contact-details { display: flex; flex-direction: column; gap: 24px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  font-size: 22px;
  width: 44px;
  height: 44px;
  background: var(--gray-50);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item span, .contact-item a {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

.contact-item a { color: var(--primary-light); }
.contact-item a:hover { text-decoration: underline; }

/* ===== FORM ===== */
.contact-form-wrap {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--gray-200);
}

.contact-form h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 28px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-900);
  background: var(--white);
  transition: var(--transition);
  font-family: inherit;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 12px;
}

.form-success {
  text-align: center;
  padding: 60px 40px;
}

.success-icon { font-size: 56px; margin-bottom: 16px; }

.form-success h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.form-success p { color: var(--gray-500); }

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.75);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  padding: 80px 24px 60px;
}

.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.5); }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links h4 {
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.footer-links a, .footer-links span {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--white); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px;
}

.footer-bottom .container {
  display: flex;
  justify-content: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-badge-card { bottom: 20px; right: 20px; }
  .about-img-frame { max-width: 500px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 64px 0; }
  .nav-links { display: none; }
  .nav-right-mobile { display: flex; }
  .hamburger { display: flex; }
  .hero-stats { gap: 20px; }
  .stat-divider { height: 32px; }
  .products-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .process-steps { gap: 8px; }
  .process-arrow { display: none; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form-wrap { padding: 24px; }
}