/* ===== CSS VARIABLES ===== */
:root {
  --primary: #0a1628;
  --primary-light: #0f1f3d;
  --secondary: #1a2d50;
  --accent: #00b4d8;
  --accent-light: #48cae4;
  --accent-dark: #0096c7;
  --accent-glow: rgba(0, 180, 216, 0.15);
  --text: #e8edf3;
  --text-muted: #8899b0;
  --text-dim: #5a6d85;
  --white: #ffffff;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 180, 216, 0.3);
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 60px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--primary);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-light);
}

img, svg {
  max-width: 100%;
  display: block;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  border-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.3);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: 10px;
}

.btn-full {
  width: 100%;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 22, 40, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-text .accent {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0, 180, 216, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 150, 199, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(72, 202, 228, 0.03) 0%, transparent 40%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 216, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 216, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  color: var(--white);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-light), var(--accent), #0077b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-left: 6px;
}

.hero-visual {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  max-width: 650px;
  opacity: 0.6;
}

.hero-pcb-svg {
  width: 100%;
  height: auto;
}

.pulse-dot {
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.6; r: 6; }
  50% { opacity: 0; r: 14; }
}

/* ===== TRUSTED BY ===== */
.trusted-by {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.trusted-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.logo-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.logo-placeholder {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
  opacity: 0.5;
  transition: var(--transition);
}

.logo-placeholder:hover {
  opacity: 0.8;
  color: var(--text-muted);
}

/* ===== SECTION COMMON ===== */
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

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

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ===== PRODUCTS ===== */
.products {
  padding: 100px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}

.product-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  border-color: var(--border-accent);
  background: rgba(0, 180, 216, 0.03);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 180, 216, 0.08);
}

.product-card.featured {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.05), rgba(0, 150, 199, 0.02));
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 20px;
}

.product-icon svg {
  width: 100%;
  height: 100%;
}

.product-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.product-card > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-specs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-specs li {
  padding: 4px 12px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--accent-light);
  font-weight: 500;
}

/* ===== SOLUTIONS ===== */
.solutions {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

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

.solution-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 32px 0 40px;
}

.solution-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.solution-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
}

.solution-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.solution-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.solutions-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.assembly-svg {
  width: 100%;
  max-width: 400px;
  height: auto;
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(130px) rotate(0deg); }
  to { transform: rotate(360deg) translateX(130px) rotate(-360deg); }
}

.orbit-item {
  transform-origin: center;
}

/* ===== CAPABILITIES ===== */
.capabilities {
  padding: 100px 0;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.capability-card {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.capability-card:hover {
  border-color: var(--border-accent);
  background: rgba(0, 180, 216, 0.03);
  transform: translateY(-4px);
}

.capability-value {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}

.capability-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.capability-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ===== MATERIALS ===== */
.materials {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.15) 50%, transparent 100%);
}

.materials-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.material-categories {
  margin-top: 40px;
  text-align: left;
}

.material-detail {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.material-detail[open] {
  border-color: var(--border-accent);
}

.material-detail summary {
  padding: 20px 28px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.material-detail summary::-webkit-details-marker {
  display: none;
}

.material-detail summary::before {
  content: '›';
  font-size: 1.5rem;
  color: var(--accent);
  transition: var(--transition);
}

.material-detail[open] summary::before {
  transform: rotate(90deg);
}

.material-detail summary:hover {
  color: var(--accent-light);
}

.material-info {
  padding: 0 28px 24px;
}

.material-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--accent-light);
  margin: 2px 4px 2px 0;
  font-weight: 500;
}

/* ===== INDUSTRIES ===== */
.industries {
  padding: 100px 0;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-card {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.industry-card:hover {
  border-color: var(--border-accent);
  background: rgba(0, 180, 216, 0.03);
  transform: translateY(-4px);
}

.industry-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.industry-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.industry-card p {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ===== QUALITY ===== */
.quality {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.15) 50%, transparent 100%);
}

.quality-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cert-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 40px 0;
}

.cert-badge {
  padding: 20px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--border-accent);
  background: rgba(0, 180, 216, 0.03);
}

.cert-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.cert-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.cert-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.quality-process {
  margin-top: 48px;
  text-align: left;
}

.quality-process h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}

.qc-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qc-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: var(--transition);
}

.qc-step:hover {
  border-color: var(--border-accent);
  background: rgba(0, 180, 216, 0.03);
}

.qc-number {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  min-width: 36px;
}

.qc-label {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

/* ===== WHY US ===== */
.why-us {
  padding: 100px 0;
}

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

.advantage-item {
  padding: 36px 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}

.advantage-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 180, 216, 0.08);
}

.advantage-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(0, 180, 216, 0.15);
  line-height: 1;
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
}

.advantage-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.advantage-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== PROCESS ===== */
.process-flow {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.15) 50%, transparent 100%);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.process-step {
  text-align: center;
}

.step-visual {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
}

.step-visual svg {
  width: 100%;
  height: 100%;
}

.step-number {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.process-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.process-cta {
  text-align: center;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 100px 0;
}

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

.testimonial-card {
  padding: 36px 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.testimonial-stars {
  font-size: 1rem;
  color: #fbbf24;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.testimonial-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== FAQ ===== */
.faq {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
}

.faq-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.faq-list {
  margin-top: 40px;
  text-align: left;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item[open] {
  border-color: var(--border-accent);
}

.faq-item summary {
  padding: 20px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 300;
  transition: var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  color: var(--accent-light);
}

.faq-answer {
  padding: 0 28px 24px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent), #0077b6);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(0,0,0,0.1) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
}

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

.contact-details {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.contact-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.contact-item a,
.contact-item span {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

/* ===== FORM ===== */
.contact-form-wrapper {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(0, 180, 216, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238899b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--primary);
  color: var(--text);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

/* ===== FOOTER ===== */
.footer {
  padding: 80px 0 0;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo .logo-text {
  font-size: 1.3rem;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition);
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--text-dim);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-bottom-links a:hover {
  color: var(--accent-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  .solutions-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding: 40px 24px;
    gap: 24px;
  }

  .nav.active {
    display: flex;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero-stats {
    gap: 32px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industries-grid {
    grid-template-columns: 1fr;
  }

  .cert-badges {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .logo-grid {
    gap: 24px;
  }

  .logo-placeholder {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .cert-badges {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
}