/* ========================================
   FLUIDCARE ENGINEERS - ULTRA PREMIUM CSS
   Modern Industrial B2B Website
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --red: #C41E3A;
  --red-light: #E63950;
  --red-dark: #9B1530;
  --navy: #1a365d;
  --navy-light: #2d4a7c;
  --navy-dark: #0f2241;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: 3.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.25rem; }
h3 { font-size: 1.875rem; margin-bottom: 1rem; }
h4 { font-size: 1.5rem; margin-bottom: 0.875rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
}

span {
  color: var(--red);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-alt {
  background: var(--gray-50);
}

/* ========================================
   NAVIGATION - White Premium Design
   ======================================== */
.nav {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo img {
  height: 55px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-size: 1.25rem;
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
}

.logo-text span {
  font-size: 0.8rem;
  color: var(--red);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--red);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  border-radius: 12px;
  padding: 1rem 0;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  margin-top: 0.75rem;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.875rem 1.5rem;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.dropdown-menu a:hover {
  background: var(--gray-50);
  color: var(--red);
}

.dropdown-menu a::after {
  display: none;
}

.nav-cta {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--white) !important;
  padding: 0.875rem 2rem !important;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(196, 30, 58, 0.4);
}

.nav-cta::after {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--navy);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* ========================================
   HERO BANNER - NEW MODERN DESIGN
   ======================================== */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  position: relative;
  overflow: hidden;
  padding: 8rem 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle at 80% 50%, rgba(196, 30, 58, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(196, 30, 58, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  animation: fadeInUp 0.8s ease;
}

.hero h1 {
  color: var(--white);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--red-light) 0%, var(--red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--red-light);
  font-family: var(--font-heading);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ========================================
   PAGE HERO
   ======================================== */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 80% 50%, rgba(196, 30, 58, 0.12) 0%, transparent 60%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  opacity: 0.9;
}

.breadcrumb .sep {
  color: var(--red-light);
}

.breadcrumb a:hover {
  color: var(--red-light);
}

.page-hero h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.page-hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.2rem;
  max-width: 850px;
  line-height: 1.7;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-block;
  padding: 1rem 2.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(196, 30, 58, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-dark);
  transform: translateY(-2px);
}

/* ========================================
   PRODUCT FLIP CARDS - PREMIUM 3D
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.product-card {
  perspective: 1200px;
  height: 460px;
}

.product-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}

.product-card:hover .product-card-inner {
  transform: rotateY(180deg);
}

.product-card-front,
.product-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 16px;
  overflow: hidden;
}

.product-card-front {
  background: var(--white);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-100);
}

.product-card-back {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  transform: rotateY(180deg);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pci {
  height: 260px;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.pci::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(196, 30, 58, 0.05) 0%, transparent 70%);
}

.pci img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.product-card:hover .pci img {
  transform: scale(1.08);
}

.pcb {
  padding: 2rem 2.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--white);
}

.pcb h3 {
  font-size: 1.5rem;
  margin-bottom: 0.875rem;
  color: var(--navy);
  font-weight: 700;
}

.pcb p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
}

.product-card-back h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
}

.product-card-back p {
  color: rgba(255,255,255,0.95);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.product-card-back ul {
  list-style: none;
}

.product-card-back li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: rgba(255,255,255,0.95);
  font-size: 1rem;
}

.product-card-back li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--red-light);
  font-weight: bold;
  font-size: 1.25rem;
}

/* ========================================
   TWO COLUMN LAYOUTS
   ======================================== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 4rem;
}

.two-col.reverse {
  direction: rtl;
}

.two-col.reverse > * {
  direction: ltr;
}

.col-img img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-2xl);
}

/* ========================================
   SECTION ELEMENTS
   ======================================== */
.section-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--white);
  padding: 0.625rem 1.25rem;
  border-radius: 25px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: 0 4px 12px rgba(196, 30, 58, 0.25);
}

.section-title {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.section-desc {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem;
  font-size: 1.15rem;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ========================================
   SPECS TABLE
   ======================================== */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
}

.specs-table tr {
  border-bottom: 1px solid var(--gray-200);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table td {
  padding: 1rem 1.25rem;
  font-size: 1rem;
}

.specs-table td:first-child {
  font-weight: 700;
  color: var(--navy);
  width: 38%;
  font-family: var(--font-heading);
}

.specs-table td:last-child {
  color: var(--gray-700);
}

/* ========================================
   INDUSTRIES GRID
   ======================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.industry-item {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.industry-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--red);
}

.industry-item .ico {
  font-size: 3rem;
  margin-bottom: 1.25rem;
  filter: grayscale(20%);
}

.industry-item p {
  font-weight: 700;
  color: var(--navy);
  font-size: 1rem;
  margin: 0;
  font-family: var(--font-heading);
}

/* ========================================
   WHY CHOOSE CARDS
   ======================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.why-card {
  background: var(--white);
  padding: 2.5rem 2.25rem;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border-left: 5px solid var(--red);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl);
}

.why-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.why-card h4 {
  color: var(--navy);
  margin-bottom: 1rem;
  font-size: 1.35rem;
  font-weight: 700;
}

.why-card p {
  font-size: 1rem;
  color: var(--gray-600);
  margin: 0;
  line-height: 1.7;
}

/* ========================================
   BRANDS
   ======================================== */
.brands-strip {
  background: var(--gray-50);
  padding: 3rem 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.bsi {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
  justify-content: center;
}

.bsi .lbl {
  font-weight: 800;
  color: var(--navy);
  font-size: 1.25rem;
  font-family: var(--font-heading);
}

.brand-logos {
  display: flex;
  gap: 3.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.brand-logos a {
  opacity: 0.65;
  transition: all 0.3s ease;
  filter: grayscale(100%);
}

.brand-logos a:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.08);
}

.brand-logos img {
  height: 50px;
  width: auto;
}

/* ========================================
   BRANDS PAGE
   ======================================== */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.brand-card {
  background: var(--white);
  padding: 3rem 2.75rem;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  border-top: 5px solid var(--red);
}

.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.bs {
  font-size: 0.95rem;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.brand-card p {
  font-size: 1.05rem;
  line-height: 1.7;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 2rem;
}

.tg {
  background: var(--gray-100);
  color: var(--gray-700);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--navy);
  color: var(--white);
  padding: 4.5rem 0 0;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .lr {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.footer-brand strong {
  font-size: 1.35rem;
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
}

.footer-brand p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.7;
}

.footer h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.15rem;
  font-family: var(--font-heading);
  font-weight: 700;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 0.875rem;
}

.footer a {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
}

.footer a:hover {
  color: var(--red-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 2.5rem 2rem;
  text-align: center;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
}

/* ========================================
   WHATSAPP FLOAT
   ======================================== */
.float-wa {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  width: 65px;
  height: 65px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  color: var(--white);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: all 0.3s ease;
  animation: pulse 2.5s infinite;
}

.float-wa:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

/* ========================================
   CONTACT FORM
   ======================================== */
.contact-form {
  background: var(--white);
  padding: 3.5rem 3rem;
  border-radius: 16px;
  box-shadow: var(--shadow-2xl);
  margin-top: 3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 700;
  color: var(--navy);
  font-family: var(--font-heading);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(196, 30, 58, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 160px;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  }
  50% {
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 7rem 2rem 2rem;
    box-shadow: -6px 0 20px rgba(0,0,0,0.15);
    transition: right 0.4s ease;
    align-items: flex-start;
    gap: 0;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--gray-100);
  }
  
  .nav-links a {
    display: block;
    padding: 1.25rem 0;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 0 0 0 1.25rem;
    margin-top: 0.75rem;
  }
  
  .hamburger {
    display: flex;
    z-index: 1001;
  }
  
  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.25rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .page-hero h1 {
    font-size: 2.75rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    gap: 2rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .hero {
    padding: 5rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .page-hero h1 {
    font-size: 2.25rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .contact-form {
    padding: 2.5rem 2rem;
  }
  
  .product-card {
    height: 420px;
  }
  
  .pci {
    height: 220px;
  }
  
  .float-wa {
    width: 58px;
    height: 58px;
    font-size: 2rem;
    bottom: 2rem;
    right: 2rem;
  }
  
  .nav-logo img {
    height: 45px;
  }
  
  .brand-logos img {
    height: 40px;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
}