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

:root {
  /* Zarkiel Light Theme Colors (Default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Logo Colors */
  --accent-blue: #23589b;
  --accent-blue-light: #3a75c4;
  --accent-blue-dark: #163d6b;
  --accent-orange: #f5a623;
  --accent-orange-light: #fbc658;
  
  --accent-purple: #f5a623; /* Reused for orange accents */
  --accent-cyan: #3a75c4; /* Reused for light blue */
  --accent-pink: #23589b; /* Reused for blue */
  
  --gradient-main: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
  --gradient-orange: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-light));
  --gradient-hero: linear-gradient(135deg, #f0f7ff 0%, #ffffff 50%, #f8fafc 100%);
  
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(35, 88, 155, 0.1);
  --glass-border-hover: rgba(35, 88, 155, 0.25);
  
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 10px 40px rgba(35, 88, 155, 0.12);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 25px -3px rgba(35, 88, 155, 0.1), 0 4px 6px -2px rgba(35, 88, 155, 0.05);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 15px rgba(35, 88, 155, 0.2); }
  50% { box-shadow: 0 0 30px rgba(245, 166, 35, 0.4); }
}
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.5rem; font-weight: 800;
  color: var(--accent-blue);
  letter-spacing: -0.5px;
}
.logo-img { height: 65px; width: auto; transition: var(--transition); }
.logo-img:hover { transform: scale(1.05); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 0.9rem; font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-main);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--accent-blue); }
.nav-links a:hover::after { width: 100%; }

.btn-cta {
  padding: 10px 28px;
  background: var(--gradient-main);
  background-size: 200% 200%;
  border: none; border-radius: 50px;
  color: #fff; font-weight: 600; font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  animation: gradient-shift 4s ease infinite;
  box-shadow: 0 4px 15px rgba(35, 88, 155, 0.2);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(35, 88, 155, 0.35);
}



.menu-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 4px;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--accent-blue);
  margin: 5px 0; border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('img/hero-bg.png') center/cover no-repeat;
  opacity: 0.05;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, rgba(248,250,252,0.85) 100%);
}
.hero .container {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-content { animation: slideInLeft 1s ease forwards; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 50px;
  background: rgba(35, 88, 155, 0.08);
  border: 1px solid rgba(35, 88, 155, 0.15);
  font-size: 0.85rem; font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-orange);
  animation: pulse-glow 2s infinite;
}
.hero h1 {
  font-size: 3.5rem; font-weight: 800;
  line-height: 1.15; margin-bottom: 24px;
  color: var(--text-primary);
  letter-spacing: -1.5px;
}
.hero h1 .gradient-text {
  background: var(--gradient-main);
  background-size: 200% 200%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 5s ease infinite;
}
.hero p {
  font-size: 1.15rem; color: var(--text-secondary);
  max-width: 520px; margin-bottom: 36px;
  font-weight: 400;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-outline {
  padding: 10px 28px; border-radius: 50px;
  border: 1px solid var(--accent-blue);
  background: transparent;
  color: var(--accent-blue); font-weight: 600; font-size: 0.9rem;
  cursor: pointer; backdrop-filter: blur(8px);
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(35, 88, 155, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(35, 88, 155, 0.1);
}
.hero-image {
  animation: slideInRight 1s ease forwards;
  position: relative;
}
.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite;
}
.hero-stats {
  display: flex; gap: 40px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid var(--glass-border);
}
.stat h3 {
  font-size: 2rem; font-weight: 800;
  color: var(--accent-blue);
}
.stat p { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }

/* ===== SECTIONS ===== */
section { padding: 120px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: inline-block; padding: 6px 18px;
  border-radius: 50px; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  background: rgba(245, 166, 35, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(245, 166, 35, 0.2);
  margin-bottom: 20px;
}
.section-header h2 {
  font-size: 2.5rem; font-weight: 800;
  letter-spacing: -1px; margin-bottom: 16px;
  color: var(--accent-blue-dark);
}
.section-header p {
  color: var(--text-secondary); max-width: 600px;
  margin: 0 auto; font-size: 1.05rem;
}

/* ===== SERVICES ===== */
.services { background: var(--bg-secondary); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 36px;
  transition: var(--transition);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--gradient-main);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-md);
}
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin: 0 auto 20px;
  background: rgba(35, 88, 155, 0.08);
  border: 1px solid rgba(35, 88, 155, 0.1);
  transition: var(--transition);
}
.service-icon img {
  width: 32px; height: 32px;
  object-fit: contain;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(35, 88, 155, 0.15);
  border-color: rgba(35, 88, 155, 0.2);
}
.service-card:hover .service-icon img {
  transform: scale(1.1);
}
.service-icon.blue { background: rgba(35, 88, 155, 0.1); color: var(--accent-blue); }
.service-icon.purple { background: rgba(245, 166, 35, 0.1); color: var(--accent-orange); }
.service-icon.cyan { background: rgba(58, 117, 196, 0.1); color: var(--accent-blue-light); }
.service-icon.pink { background: rgba(245, 166, 35, 0.15); color: var(--accent-orange); }
.service-card h3 { font-size: 1.2rem; margin-bottom: 12px; font-weight: 700; color: var(--text-primary); }
.service-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }
.service-card .learn-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px; font-size: 0.85rem; font-weight: 700;
  color: var(--accent-blue); transition: var(--transition);
}
.service-card .learn-more:hover { gap: 10px; color: var(--accent-orange); }
 
/* ===== PRODUCTS ===== */
.products { background: var(--bg-primary); }
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
  border-color: var(--glass-border-hover);
}
.product-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.product-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-image img {
  transform: scale(1.1);
}
.product-overlay {
  position: absolute; inset: 0;
  background: rgba(35, 88, 155, 0.6);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
}
.product-card:hover .product-overlay { opacity: 1; }
.btn-demo {
  padding: 10px 20px; border-radius: 50px;
  background: #fff; color: var(--accent-blue);
  font-weight: 700; font-size: 0.85rem;
  transform: translateY(20px); transition: var(--transition);
}
.product-card:hover .btn-demo { transform: translateY(0); }
 
.product-info { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
.product-info h3 { font-size: 1.25rem; margin-bottom: 12px; color: var(--text-primary); }
.product-info p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.6; }
.product-footer {
  margin-top: auto; padding-top: 20px;
  border-top: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: space-between;
}
.product-footer .price {
  font-weight: 800; color: var(--accent-blue); font-size: 1.1rem;
}
.btn-inquire {
  font-weight: 700; font-size: 0.85rem; color: var(--accent-orange);
  transition: var(--transition);
}
.btn-inquire:hover { color: var(--accent-blue); transform: translateX(5px); }

/* ===== ABOUT ===== */
.about .container {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.about-image { position: relative; }
.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.about-image .experience-badge {
  position: absolute; bottom: -20px; right: -20px;
  padding: 20px 28px; border-radius: var(--radius);
  background: var(--gradient-main);
  color: #fff; text-align: center;
  box-shadow: 0 10px 30px rgba(35, 88, 155, 0.3);
}
.experience-badge h3 { font-size: 2rem; font-weight: 800; }
.experience-badge p { font-size: 0.8rem; opacity: 0.9; font-weight: 500; }
.about-content h2 {
  font-size: 2.5rem; font-weight: 800;
  letter-spacing: -1px; margin-bottom: 20px;
  color: var(--accent-blue-dark);
}
.about-content > p {
  color: var(--text-secondary); margin-bottom: 32px;
  font-size: 1.05rem;
}
.about-features { display: flex; flex-direction: column; gap: 20px; }
.about-feature {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.about-feature:hover {
  border-color: var(--glass-border-hover);
  background: rgba(35, 88, 155, 0.02);
  transform: translateX(5px);
}
.about-feature .icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(245, 166, 35, 0.12);
  color: var(--accent-orange);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.about-feature h4 { font-size: 1rem; margin-bottom: 4px; color: var(--text-primary); }
.about-feature p { font-size: 0.85rem; color: var(--text-secondary); }

/* ===== TECH ===== */
.tech { background: var(--bg-secondary); }
.tech-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px;
}
.tech-item {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition); cursor: default;
}
.tech-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
}
.tech-item svg, .tech-item .tech-logo {
  width: 40px; height: 40px;
}
.tech-item span {
  font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
}

/* ===== PROCESS ===== */
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  position: relative;
}
.process-grid::before {
  content: ''; position: absolute;
  top: 32px; left: 12.5%; right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--accent-blue) 0%, 
    var(--accent-orange) 50%, 
    var(--accent-blue-light) 100%);
  opacity: 0.3;
  z-index: 1;
}
.process-step {
  text-align: center; position: relative; z-index: 2;
}
.step-number {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800;
  margin: 0 auto 24px;
  background: var(--bg-primary);
  box-shadow: 0 0 0 8px var(--bg-primary), var(--shadow-sm);
  transition: var(--transition);
}
.step-number.s1 { border: 2px solid var(--accent-blue); color: var(--accent-blue); }
.step-number.s2 { border: 2px solid var(--accent-orange); color: var(--accent-orange); }
.step-number.s3 { border: 2px solid var(--accent-blue-light); color: var(--accent-blue-light); }
.step-number.s4 { border: 2px solid var(--accent-orange); color: var(--accent-orange); opacity: 0.8; }

.process-step:hover .step-number {
  transform: translateY(-5px);
  box-shadow: 0 0 0 10px var(--bg-primary), var(--shadow-md);
}

.process-step h3 { font-size: 1.15rem; margin-bottom: 12px; color: var(--text-primary); font-weight: 700; }
.process-step p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--bg-secondary); }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-md);
}
.stars { color: var(--accent-orange); font-size: 0.9rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card blockquote {
  font-size: 0.95rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-main);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
}
.author-info h4 { font-size: 0.9rem; color: var(--text-primary); }
.author-info p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== CONTACT ===== */
.contact { background: var(--bg-primary); }
.contact .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.contact-info h2 {
  font-size: 2.5rem; font-weight: 800;
  letter-spacing: -1px; margin-bottom: 16px;
  color: var(--accent-blue-dark);
}
.contact-info > p {
  color: var(--text-secondary); margin-bottom: 36px; font-size: 1.05rem;
}
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex; gap: 16px; align-items: center;
  padding: 16px; border-radius: var(--radius-sm);
  background: var(--bg-secondary); border: 1px solid var(--glass-border);
}
.contact-item .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(35, 88, 155, 0.1);
  color: var(--accent-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-item h4 { font-size: 0.9rem; margin-bottom: 2px; color: var(--text-primary); }
.contact-item p { font-size: 0.88rem; color: var(--text-secondary); }
.contact-form {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 36px;
  box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 700;
  margin-bottom: 8px; color: var(--text-primary);
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 0.92rem;
  font-family: inherit; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(35, 88, 155, 0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-submit {
  width: 100%; padding: 14px; border: none;
  border-radius: 50px; background: var(--gradient-main);
  background-size: 200% 200%;
  color: #fff; font-weight: 700; font-size: 1rem;
  cursor: pointer; transition: var(--transition);
  animation: gradient-shift 4s ease infinite;
  box-shadow: 0 4px 15px rgba(35, 88, 155, 0.2);
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(35, 88, 155, 0.35);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { display: inline-flex; margin-bottom: 14px; }
.footer-brand p { color: var(--text-secondary); font-size: 0.88rem; max-width: 300px; }
.footer-col h4 {
  font-size: 0.95rem; font-weight: 700; margin-bottom: 16px;
  color: var(--accent-blue-dark);
}
.footer-col a {
  display: block; font-size: 0.88rem;
  color: var(--text-secondary); padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent-blue); transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px; text-align: center;
  font-size: 0.85rem; color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .about .container { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .contact .container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { 
    display: none; position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column; align-items: center;
    justify-content: center; gap: 28px;
    backdrop-filter: blur(20px);
  }
  .nav-links.active { display: flex; z-index: 9999; }
  .nav-links a { font-size: 1.2rem; }
  .menu-toggle { display: block; z-index: 10000; }
  .hero h1 { font-size: 2.4rem; }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 2rem; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
}