/* ============================================
   A2I-Lab Website - Stylesheet
   Light, Modern, Professional Design
   ============================================ */

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0066cc;
  --secondary-color: #00a8d8;
  --accent-color: #f0f4f8;
  --text-dark: #1a1a2e;
  --text-light: #666666;
  --border-color: #e0e0e0;
  --bg-light: #fafbfc;
  --bg-white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
  font-size: 16px;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; color: var(--text-dark); }
h3 { font-size: 1.5rem; }

p {
  color: var(--text-light);
  margin-bottom: 1em;
}

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

a:hover {
  color: var(--secondary-color);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  position: relative; /* for mobile dropdown */
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover { opacity: 0.8; }

.logo-img {
  height: 50px;
  width: auto;
  display: block;
}

.logo::after {
  content: "A2I-Lab";
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

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

.nav-link {
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.cta-btn {
  background: var(--primary-color);
  color: white !important;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  transition: var(--transition);
}

.cta-btn:hover {
  background: #0052a3;
  color: white !important;
}

.lang-switch {
  background: var(--accent-color);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.lang-switch:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Mobile menu behavior */
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .nav-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

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

  .nav-menu li { width: 100%; }
  .nav-link { display: block; padding: 0.5rem 0; }

  .cta-btn { text-align: center; padding: 0.75rem 1rem; }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, #f0f4f8 0%, #e8f1f8 100%);
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.floating-dots {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0; left: 0;
  z-index: 1;
  pointer-events: none;
}

.dot {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 102, 204, 0.6), rgba(0, 102, 204, 0.2));
  pointer-events: none;
}

/* dots sizes + animations */
.dot-1 { width: 60px; height: 60px; top: 15%; left: 10%; animation: float1 6s ease-in-out infinite;
  background: radial-gradient(circle at 30% 30%, rgba(0, 102, 204, 0.5), rgba(0, 102, 204, 0.15)); }
.dot-2 { width: 40px; height: 40px; top: 70%; right: 15%; animation: float2 7s ease-in-out infinite;
  background: radial-gradient(circle at 30% 30%, rgba(0, 168, 216, 0.5), rgba(0, 168, 216, 0.15)); }
.dot-3 { width: 35px; height: 35px; top: 25%; right: 20%; animation: float3 5s ease-in-out infinite;
  background: radial-gradient(circle at 30% 30%, rgba(100, 200, 255, 0.5), rgba(100, 200, 255, 0.15)); }
.dot-4 { width: 50px; height: 50px; top: 60%; left: 15%; animation: float4 8s ease-in-out infinite;
  background: radial-gradient(circle at 30% 30%, rgba(0, 102, 204, 0.4), rgba(0, 102, 204, 0.1)); }
.dot-5 { width: 30px; height: 30px; top: 40%; left: 5%; animation: float5 6.5s ease-in-out infinite;
  background: radial-gradient(circle at 30% 30%, rgba(0, 168, 216, 0.45), rgba(0, 168, 216, 0.12)); }
.dot-6 { width: 45px; height: 45px; top: 80%; right: 10%; animation: float6 7.5s ease-in-out infinite;
  background: radial-gradient(circle at 30% 30%, rgba(100, 200, 255, 0.4), rgba(100, 200, 255, 0.1)); }

@keyframes float1 { 0%,100%{transform:translate(0,0)} 25%{transform:translate(20px,-25px)} 50%{transform:translate(-15px,30px)} 75%{transform:translate(25px,-20px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 25%{transform:translate(-25px,30px)} 50%{transform:translate(20px,-25px)} 75%{transform:translate(-20px,25px)} }
@keyframes float3 { 0%,100%{transform:translate(0,0)} 25%{transform:translate(15px,20px)} 50%{transform:translate(-20px,-25px)} 75%{transform:translate(22px,15px)} }
@keyframes float4 { 0%,100%{transform:translate(0,0)} 25%{transform:translate(30px,-20px)} 50%{transform:translate(-25px,35px)} 75%{transform:translate(18px,-30px)} }
@keyframes float5 { 0%,100%{transform:translate(0,0)} 25%{transform:translate(-18px,25px)} 50%{transform:translate(22px,-20px)} 75%{transform:translate(-15px,30px)} }
@keyframes float6 { 0%,100%{transform:translate(0,0)} 25%{transform:translate(-30px,25px)} 50%{transform:translate(25px,-35px)} 75%{transform:translate(-22px,30px)} }

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary { background: var(--primary-color); color: white; }
.btn-primary:hover { background: #0052a3; box-shadow: var(--shadow-md); }

.btn-primary.btn-full {
  width: 100%;
  display: block;
  padding: 0.875rem 1rem;
}

.btn-secondary {
  background: var(--bg-light);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover { background: var(--accent-color); box-shadow: var(--shadow-md); }

.btn-full { width: 100%; display: block; padding: 0.875rem 1rem; }

/* ============================================
   Sections
   ============================================ */

.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border-color);
}

.section:last-of-type { border-bottom: none; }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 { margin-bottom: 1.5rem; }

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light);
}

/* ============================================
   Features Grid
   ============================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--accent-color);
  padding: 2.5rem;
  border-radius: 12px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid #e0e8f0;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 { color: var(--text-dark); margin-bottom: 1rem; }

.feature-card p { font-size: 0.95rem; color: var(--text-light); }

/* ============================================
   Products Grid
   ============================================ */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 12px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary-color);
  transform: translateY(-8px);
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.product-header h3 {
  margin: 0;
  flex: 1;
  color: var(--primary-color);
}

.product-tag {
  background: #e8f4fd;
  color: var(--secondary-color);
  padding: 0.35rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  margin-left: 1rem;
}

.product-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.product-features {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.product-features li {
  padding: 0.5rem 0;
  color: var(--text-light);
  font-size: 0.95rem;
  padding-left: 1.5rem;
  position: relative;
}

.product-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: 700;
}

/* ============================================
   Use Cases + Clients Sliders
   ============================================ */

.use-cases-section { background: var(--accent-color); }
.clients-section { background: var(--bg-white); }

/* Slider Container Styles */
.slider-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 3rem;
}

.slider-arrow {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.slider-arrow:hover { background: #0052a3; transform: scale(1.1); }

.slider-arrow.slider-prev { order: -1; }

.use-cases-slider,
.clients-slider {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 1rem 0;
  flex: 1;
  width: 100%;

  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.use-cases-slider::-webkit-scrollbar,
.clients-slider::-webkit-scrollbar { display: none; }

/* Responsive slide widths (replaces fixed 450px/min-width) */
.use-case,
.client-card {
  scroll-snap-align: start;
  flex: 0 0 100%;   /* 1 per view on small screens */
  min-width: 0;     /* allow shrinking */
  box-sizing: border-box;
}

/* 2 per view on tablets */
@media (min-width: 700px) {
  .use-case,
  .client-card { flex-basis: calc(50% - 0.625rem); }
}

/* 3 per view on desktops */
@media (min-width: 1100px) {
  .use-case,
  .client-card { flex-basis: calc(33.333% - 0.833rem); }
}

.use-case {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
}

.use-case:hover { box-shadow: var(--shadow-md); }

.use-case h3 { color: var(--primary-color); margin-bottom: 1rem; }

.use-case p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.use-case ul { list-style: none; padding: 0; }

.use-case li {
  padding: 0.6rem 0;
  color: var(--text-light);
  font-size: 0.9rem;
  padding-left: 1.5rem;
  position: relative;
}

.use-case li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: 600;
}

/* Client cards */
.client-card {
  background: var(--bg-white);
  padding: 3rem 2.5rem;
  border-radius: 12px;
  border: 1px solid #e0e8f0;
  text-align: left;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 250px;
}

.client-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--secondary-color);
}

.client-card h4 {
  color: var(--text-dark);
  margin-bottom: 0;
  font-size: 1.2rem;
}

.client-card h4 a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.client-card h4 a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.client-location {
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.client-description {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.5;
  flex-grow: 1;
}

/* smaller arrows on tiny screens */
@media (max-width: 600px) {
  .slider-arrow {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

/* ============================================
   Process Section
   ============================================ */

.process-section { background: var(--bg-white); }

.section-eyebrow {
  color: var(--secondary-color);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.process-card {
  background: var(--accent-color);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid #e0e8f0;
  position: relative;
  transition: var(--transition);
}

.process-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--secondary-color);
  transform: translateY(-5px);
}

.process-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--secondary-color);
  opacity: 0.5;
}

.process-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.process-card h3 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.process-card .process-subtitle {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.process-card ul { list-style: none; padding: 0; }

.process-card li {
  padding: 0.8rem 0;
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
  padding-left: 1.5rem;
  position: relative;
}

.process-card li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: 700;
}

.process-cta {
  text-align: center;
  background: linear-gradient(135deg, #f0f4f8 0%, #e8f1f8 100%);
  padding: 3rem;
  border-radius: 12px;
  margin-top: 2rem;
}

.process-cta p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.process-cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Company About Section
   ============================================ */

.about-company-section {
  background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 100%);
}

.company-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 3rem;
}

.company-image { position: relative; }

.company-photo {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
  display: block;
}

.company-text h3 {
  color: var(--primary-color);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.company-text p {
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.company-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 2.5rem 0;
  padding: 2rem;
  background: var(--accent-color);
  border-radius: 12px;
}

.stat { text-align: center; }

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

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

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
  background: linear-gradient(135deg, #f0f4f8 0%, #e8f1f8 100%);
}

.contact-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-intro h2 { margin-bottom: 1.5rem; }

.contact-intro p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.contact-forms-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.contact-form-box {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.contact-form-box:hover { box-shadow: var(--shadow-md); }

.contact-form-box h3 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.contact-form-box p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-grow: 1;
}

.contact-form .btn { align-self: stretch; margin-top: auto; }

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

.form-group label {
  color: var(--text-dark);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.required { color: #e74c3c; }

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition);
  background: var(--bg-white);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #999; }

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.contact-form select { cursor: pointer; }

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

.btn-demo {
  background: #5cb85c;
  color: white;
  width: 100%;
  display: block;
  padding: 0.875rem 1rem;
}

.btn-demo:hover {
  background: #4cae4c;
  box-shadow: var(--shadow-md);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap; /* changed from nowrap for responsiveness */
}

.footer-section {
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  min-width: 140px;
}

.footer-title {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover {
  color: white;
  text-decoration: underline;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { font-size: 0.9rem; }

.social-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: nowrap;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(0, 168, 216, 0.2);
  border-radius: 50%;
  color: white;
  transition: all 0.3s ease;
  border: 1.5px solid rgba(0, 168, 216, 0.4);
  text-decoration: none;
}

.social-icon:hover {
  background: var(--secondary-color);
  color: white;
  transform: translateY(-4px) scale(1.1);
  border-color: var(--secondary-color);
  box-shadow: 0 10px 20px rgba(0, 168, 216, 0.4);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.privacy-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.privacy-link:hover {
  color: white;
  text-decoration: underline;
}

/* ============================================
   Cookie Consent Banner
   ============================================ */

.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 1.5rem 2rem;
  z-index: 10000;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
  transform: translateY(100%);
  transition: transform 0.4s ease-out;
}

.cookie-consent.show { transform: translateY(0); }

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-content p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
  min-width: 300px;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.cookie-buttons .btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
}

/* ============================================
   Back to Top Button
   ============================================ */

.back-to-top {
  position: fixed;
  left: 30px;
  bottom: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 999;
}

.back-to-top::before {
  content: "↑";
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
}

.back-to-top.show { display: flex; }

.back-to-top:hover {
  background: #0052a3;
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(0, 102, 204, 0.3);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.3rem; }

  .hero { padding: 120px 0 60px; }
  .hero-title { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1.2rem; }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn { width: 100%; }

  .section { padding: 60px 0; }

  .features-grid,
  .products-grid,
  .process-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .company-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .contact-forms-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .process-cta-buttons { flex-direction: column; }
  .process-cta-buttons .btn { width: 100%; }

  .social-links { justify-content: flex-start; }

  .footer-section { min-width: 100%; }
}

@media (max-width: 600px) {
  .container { padding: 0 15px; }

  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1.1rem; }

  .section-header { margin-bottom: 2rem; }

  .feature-card,
  .product-card,
  .use-case,
  .client-card { padding: 1.5rem; }

  .hero { padding: 100px 0 40px; }
  .section { padding: 40px 0; }
}

/* ============================================
   Accessibility & Print
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .navbar,
  .hero-cta,
  .contact-section { display: none; }

  body { background: white; }
  a { color: var(--primary-color); }
}