/* =========================================
   AdmiralAI.systems - Main Stylesheet
   Premium Corporate Design
   ========================================= */

/* CSS Variables */
:root {
  --primary: #fefefe;
  --primary-light: #f5f5f4;
  --accent: #10b981;
  --accent-hover: #059669;
  --accent-glow: rgba(16, 185, 129, 0.2);
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #78716c;
  --border: rgba(0, 0, 0, 0.1);
  --gradient-1: linear-gradient(135deg, #10b981 0%, #fbbf24 100%);
  --gradient-2: linear-gradient(135deg, #fefefe 0%, #f5f5f4 100%);
  --glass: rgba(0, 0, 0, 0.03);
  --glass-border: rgba(0, 0, 0, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --font-main: '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-main);
  background: var(--primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

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

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  background: var(--glass);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: white;
}

/* =========================================
   Header / Navigation
   ========================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(254, 254, 254, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  padding: 0.75rem 0;
  background: rgba(254, 254, 254, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
}

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

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

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

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-secondary);
  transition: var(--transition);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

/* Hero Background Image */
.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay-light {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(254, 254, 254, 0.15) 0%,
    rgba(254, 254, 254, 0.35) 50%,
    rgba(254, 254, 254, 0.95) 100%
  );
}

/* Fallback gradient for pages without image */
.hero-gradient-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    #667eea 0%, 
    #764ba2 25%, 
    #f093fb 50%, 
    #f5576c 75%, 
    #4facfe 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-bg video,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(254, 254, 254, 0.75) 0%,
    rgba(254, 254, 254, 0.85) 50%,
    rgba(254, 254, 254, 1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Decorations */
.hero-decoration {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  pointer-events: none;
}

.hero-decoration-1 {
  width: 500px;
  height: 500px;
  background: var(--accent);
  top: -100px;
  right: -100px;
}

.hero-decoration-2 {
  width: 400px;
  height: 400px;
  background: #a855f7;
  bottom: -100px;
  left: -100px;
}

/* =========================================
   Cards & Grid
   ========================================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: #ffffff;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

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

.card:hover::before {
  opacity: 0.05;
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h3 {
  margin-bottom: 1rem;
}

.card p {
  font-size: 1rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  margin-top: 1.5rem;
  font-weight: 500;
}

.card-link:hover {
  gap: 0.75rem;
}

/* Service Cards */
.service-card {
  background: linear-gradient(135deg, var(--glass) 0%, transparent 100%);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover::after {
  transform: scaleX(1);
}

/* =========================================
   Features Section
   ========================================= */
.features {
  background: var(--primary-light);
}

.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--glass);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.feature-item:hover {
  border-color: var(--accent);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient-1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-content h4 {
  margin-bottom: 0.5rem;
}

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

/* =========================================
   Process / Steps
   ========================================= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: 2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  counter-increment: step;
}

.process-step::before {
  content: counter(step);
  position: absolute;
  top: -15px;
  left: 2rem;
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.process-step h4 {
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}

/* =========================================
   Cases / Portfolio
   ========================================= */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.case-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition);
}

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

.case-image {
  width: 100%;
  height: 250px;
  background: var(--primary-light);
  position: relative;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.case-card:hover .case-image img {
  transform: scale(1.05);
}

.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.9), transparent);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.case-card:hover .case-overlay {
  opacity: 1;
}

.case-content {
  padding: 1.5rem;
}

.case-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.case-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.case-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* =========================================
   Stats Section
   ========================================= */
.stats {
  background: var(--gradient-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-size: 1rem;
  color: var(--text-muted);
}

/* =========================================
   CTA Section
   ========================================= */
.cta {
  text-align: center;
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0.1;
  z-index: -1;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* =========================================
   Contact Section
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-item span {
  color: var(--text-secondary);
}

.contact-item a {
  color: var(--accent);
}

.contact-item a:hover {
  text-decoration: underline;
}

/* Contact Form */
.contact-form {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: #ffffff;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* =========================================
   Footer
   ========================================= */
.footer {
  background: var(--primary-light);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--primary-light);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
}

.lang-selector:hover .lang-dropdown,
.lang-selector.active .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.lang-option:hover {
  background: var(--glass);
  color: var(--text-primary);
}

/* Fixed Language Selector (bottom left) */
.lang-selector-fixed {
  position: fixed;
  bottom: 120px;
  left: 30px;
  z-index: 9999;
}

.lang-selector-fixed .lang-current {
  background: var(--primary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 500;
}

.lang-selector-fixed .lang-dropdown {
  bottom: 100%;
  top: auto;
  left: 0;
  right: auto;
  margin-bottom: 0.5rem;
  margin-top: 0;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.15);
}

.lang-selector-fixed:hover .lang-dropdown,
.lang-selector-fixed.active .lang-dropdown {
  transform: translateY(0);
}

/* =========================================
   FAQ Accordion
   ========================================= */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  font-size: 1.5rem;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active .faq-answer {
  padding-bottom: 1.5rem;
  max-height: 300px;
}

.faq-answer p {
  font-size: 1rem;
}

/* =========================================
   Modal
   ========================================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--primary-light);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition);
}

.modal.active .modal-content {
  transform: scale(1);
}

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

.modal-close {
  width: 40px;
  height: 40px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  background: #ef4444;
  border-color: #ef4444;
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  .nav-list {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
  
  .nav-list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-actions .btn {
    display: none;
  }
  
  .hero {
    min-height: 85vh;
    padding-top: 70px;
  }
  
  .hero-content {
    text-align: center;
    padding: 0 1rem;
  }
  
  .hero h1 {
    font-size: 1.75rem;
    line-height: 1.3;
  }
  
  .hero p {
    font-size: 1rem;
    margin-bottom: 2rem;
  }
  
  .hero-actions {
    justify-content: center;
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .hero-badge {
    font-size: 0.75rem;
    margin-bottom: 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand p {
    margin: 1rem auto 0;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .section-header {
    margin-bottom: 2.5rem;
  }
  
  .section-header h2 {
    font-size: 1.5rem;
  }
  
  .section-header p {
    font-size: 0.95rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  /* Fixed elements on mobile */
  .lang-selector-fixed {
    bottom: 100px;
    left: 15px;
  }
  
  .lang-selector-fixed .lang-current {
    padding: 10px 14px;
    font-size: 0.85rem;
  }
  
  .chatbot-widget {
    bottom: 100px;
    right: 15px;
  }
  
  .chatbot-button {
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .chatbot-window {
    width: calc(100vw - 30px);
    height: 70vh;
    bottom: 80px;
    right: 15px;
    left: 15px;
  }
  
  .scroll-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
  }
  
  /* Cards on mobile */
  .card {
    padding: 1.5rem;
  }
  
  .card h3 {
    font-size: 1.1rem;
  }
  
  .card p {
    font-size: 0.9rem;
  }
  
  .card-icon {
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .hero p {
    font-size: 0.95rem;
  }
  
  .btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .logo {
    font-size: 1.2rem;
  }
  
  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
  
  .lang-selector-fixed {
    bottom: 90px;
    left: 10px;
  }
  
  .chatbot-widget {
    bottom: 90px;
    right: 10px;
  }
  
  .chatbot-button span {
    display: none;
  }
  
  .chatbot-button {
    padding: 12px;
    border-radius: 50%;
  }
  
  .section {
    padding: 2.5rem 0;
  }
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 99;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-5px);
}

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--glass-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Highlight text */
.highlight {
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: var(--accent-glow);
  z-index: -1;
}