/* ========================================
   DAS Landing Page - Light Mode Professional Design
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #818cf8;
  --accent: #10b981;
  --dark: #111827;
  --dark-secondary: #1f2937;
  --gray: #6b7280;
  --gray-light: #9ca3af;
  --white: #ffffff;
  --bg-light: #f9fafb;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.das-landing {
  min-height: 100vh;
  background: var(--white);
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

/* ===== Advanced Animations ===== */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

@keyframes flipIn {
  from {
    opacity: 0;
    transform: perspective(400px) rotateY(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateY(0);
  }
}

@keyframes slideInUp {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  0% {
    opacity: 0;
    transform: translateY(-100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  50% {
    opacity: 1;
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-10px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(10px);
  }
}

@keyframes wiggle {
  0%,
  100% {
    transform: rotate(-3deg);
  }
  50% {
    transform: rotate(3deg);
  }
}

@keyframes morph {
  0%,
  100% {
    border-radius: 10px;
  }
  50% {
    border-radius: 50%;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

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

@keyframes float3D {
  0%,
  100% {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg) translateY(0);
  }
  25% {
    transform: perspective(1000px) rotateX(2deg) rotateY(-2deg) translateY(-10px);
  }
  50% {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg) translateY(0);
  }
  75% {
    transform: perspective(1000px) rotateX(-2deg) rotateY(2deg) translateY(-10px);
  }
}

@keyframes textReveal {
  0% {
    clip-path: inset(0 100% 0 0);
  }
  100% {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes borderDraw {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes pulseGlow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(79, 70, 229, 0.6);
  }
}

@keyframes smoothBounce {
  0% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-20px);
  }
  50% {
    transform: translateY(-10px);
  }
  70% {
    transform: translateY(-15px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes skewIn {
  from {
    opacity: 0;
    transform: skewX(-20deg);
  }
  to {
    opacity: 1;
    transform: skewX(0);
  }
}

@keyframes expandWidth {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* ===== Animation Classes ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.scale-in {
  transform: scale(0.8);
}

.animate-on-scroll.scale-in.visible {
  transform: scale(1);
}

.animate-on-scroll.flip-in {
  transform: perspective(400px) rotateY(90deg);
}

.animate-on-scroll.flip-in.visible {
  transform: perspective(400px) rotateY(0);
}

.animate-delay-1 {
  transition-delay: 0.1s;
}
.animate-delay-2 {
  transition-delay: 0.2s;
}
.animate-delay-3 {
  transition-delay: 0.3s;
}
.animate-delay-4 {
  transition-delay: 0.4s;
}
.animate-delay-5 {
  transition-delay: 0.5s;
}
.animate-delay-6 {
  transition-delay: 0.6s;
}

/* ===== Button Hover Animations ===== */
.das-btn {
  position: relative;
  overflow: hidden;
}

.das-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.das-btn:hover::before {
  left: 100%;
}

.das-btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 40px rgba(79, 70, 229, 0.4);
}

.das-btn-secondary:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
}

.das-btn:active {
  transform: translateY(-1px) scale(0.98);
}

/* ===== Card Hover Animations ===== */
.das-service-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.das-service-card:hover {
  transform: translateY(-12px) rotateX(2deg);
  box-shadow: 0 25px 80px rgba(79, 70, 229, 0.2);
}

.das-service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s;
}

.das-service-card:hover::after {
  opacity: 1;
}

/* ===== Link Hover Animation ===== */
.das-nav-link {
  position: relative;
}

.das-nav-link::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.das-nav-link:hover::before {
  width: 100%;
}

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

/* ===== Feature Item Animation ===== */
.das-feature-item {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.das-feature-item:hover {
  transform: translateX(10px);
  background: white;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.das-feature-item:hover svg {
  transform: scale(1.1);
  color: var(--primary);
}

.das-feature-item svg {
  transition:
    transform 0.3s,
    color 0.3s;
}

/* ===== Stat Counter Animation ===== */
.das-stat-item {
  transition: transform 0.3s;
}

.das-stat-item:hover {
  transform: scale(1.1);
}

.das-stat-item:hover h3 {
  animation: pulseGlow 1s ease-in-out infinite;
}

/* ===== FAQ Accordion Animation ===== */
.das-faq-item {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.das-faq-item:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.das-faq-btn {
  transition: all 0.3s;
}

.das-faq-btn:hover {
  background: #f9fafb;
}

.das-faq-answer {
  animation: slideInDown 0.3s ease-out;
}

/* ===== Hero Section Enhanced ===== */
.das-hero {
  position: relative;
  overflow: hidden;
}

.das-hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.03) 0%, transparent 70%);
  animation: float3D 8s ease-in-out infinite;
  pointer-events: none;
}

.das-hero-content {
  animation: fadeInUp 0.8s ease forwards;
}

.das-hero-image {
  animation: fadeInRight 0.8s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.das-hero-image:hover {
  animation: float3D 4s ease-in-out infinite;
}

/* ===== Badge Pulse ===== */
.das-badge {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.das-badge::before {
  animation: pulse 2s infinite;
}

/* ===== CTA Visual Cards Animation ===== */
.das-cta-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.das-cta-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(79, 70, 229, 0.15);
}

.das-cta-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.das-cta-card:nth-child(1) {
  animation: bounceIn 0.6s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

.das-cta-card:nth-child(2) {
  animation: bounceIn 0.6s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.das-cta-card:nth-child(3) {
  animation: bounceIn 0.6s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.das-cta-card:nth-child(4) {
  animation: bounceIn 0.6s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

/* ===== Form Input Animation ===== */
.das-form-group input,
.das-form-group textarea {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.das-form-group input:focus,
.das-form-group textarea:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.15);
}

.das-form-group input::placeholder,
.das-form-group textarea::placeholder {
  transition: all 0.3s;
}

.das-form-group input:focus::placeholder,
.das-form-group textarea:focus::placeholder {
  opacity: 0.6;
  transform: translateX(5px);
}

/* ===== Testimonial Animation ===== */
.das-testimonial-card {
  animation: scaleIn 0.6s ease forwards;
}

.das-testimonial-card:hover {
  transform: scale(1.02);
  box-shadow: 0 30px 100px rgba(79, 70, 229, 0.15);
}

/* ===== Footer Animation ===== */
.das-footer {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== Mobile Menu Animation ===== */
.das-mobile-menu-open {
  animation: slideInDown 0.3s ease forwards;
}

/* ===== Benefits Animation ===== */
.das-benefit-item {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.das-benefit-item:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.das-benefit-item:hover .das-benefit-number {
  animation: pulseGlow 1s ease-in-out infinite;
}

/* ===== Responsive Animation Adjustments ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* ===== Animation Classes ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 {
  transition-delay: 0.1s;
}
.animate-delay-2 {
  transition-delay: 0.2s;
}
.animate-delay-3 {
  transition-delay: 0.3s;
}
.animate-delay-4 {
  transition-delay: 0.4s;
}
.animate-delay-5 {
  transition-delay: 0.5s;
}
.animate-delay-6 {
  transition-delay: 0.6s;
}

/* ===== Navigation ===== */
.das-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
  background: transparent;
}

.das-nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

.das-logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.das-nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.das-nav-link {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.3s;
}

.das-nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

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

.das-nav-cta {
  display: flex;
  gap: 12px;
}

.das-btn {
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.das-btn-primary {
  background: var(--bg-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.das-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.das-btn-secondary {
  background: white;
  color: var(--dark);
  border: 2px solid #e5e7eb;
}

.das-btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.das-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.das-mobile-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--dark);
}

.das-mobile-menu-open {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: white;
  padding: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  z-index: 999;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.das-mobile-menu-open a {
  display: block;
  padding: 14px 0;
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid #f3f4f6;
}

@media (max-width: 1024px) {
  .das-mobile-menu-open {
    display: block;
  }
}

.das-nav-spacer {
  height: 80px;
}

/* ===== Hero Section ===== */
.das-hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f3f4f6 0%, white 100%);
}

.das-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(79, 70, 229, 0.08) 0%, transparent 50%);
}

.das-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.das-hero-content {
  animation: fadeInUp 0.8s ease forwards;
}

.das-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid #e5e7eb;
  padding: 10px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.das-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

.das-badge span {
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.das-hero h1 {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--dark);
  letter-spacing: -1px;
}

.das-hero h1 span {
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.das-hero p {
  font-size: 1.125rem;
  color: var(--gray);
  margin-bottom: 32px;
  line-height: 1.8;
  max-width: 520px;
}

.das-checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}

.das-check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--dark-secondary);
  font-weight: 500;
}

.das-check-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.das-hero-buttons {
  display: flex;
  gap: 16px;
}

.das-hero-image {
  position: relative;
  animation: fadeInRight 0.8s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

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

.das-hero-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, transparent 50%);
  border-radius: 30px;
}

.das-hero-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--card-shadow);
}

/* ===== Stats Section ===== */
.das-stats {
  padding: 60px 24px;
  background: white;
  border-bottom: 1px solid #f3f4f6;
}

.das-stats-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.das-stat-item {
  text-align: center;
  min-width: 140px;
}

.das-stat-item h3 {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.das-stat-item p {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
}

@media (max-width: 768px) {
  .das-stats-grid {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
  }

  .das-stat-item {
    min-width: 100px;
  }
}

/* ===== Services Section ===== */
.das-services {
  padding: 100px 0;
  background: var(--bg-light);
}

.das-section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
  padding: 0 24px;
}

.das-section-header h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--dark);
  letter-spacing: -0.5px;
}

.das-section-header p {
  color: var(--gray);
  font-size: 1.1rem;
}

.das-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.das-service-card {
  background: white;
  border-radius: 20px;
  padding: 36px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #f3f4f6;
  position: relative;
  overflow: hidden;
}

.das-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--bg-gradient);
  transform: scaleX(0);
  transition: transform 0.4s;
}

.das-service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

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

.das-service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.das-service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.das-service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.das-service-card p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Features Section ===== */
.das-features {
  padding: 100px 0;
  background: white;
}

.das-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
}

.das-features h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--dark);
  letter-spacing: -0.5px;
}

.das-features > div > p {
  color: var(--gray);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.das-feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.das-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: 12px;
  transition: all 0.3s;
}

.das-feature-item:hover {
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.das-feature-item svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.das-feature-item h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--dark);
}

.das-feature-item p {
  color: var(--gray);
  font-size: 0.9rem;
}

.das-features-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--card-shadow);
}

/* ===== Benefits ===== */
.das-benefits {
  padding: 100px 0;
  background: var(--bg-light);
}

.das-benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.das-benefit-item {
  text-align: center;
  padding: 40px 28px;
  background: white;
  border-radius: 20px;
  transition: all 0.4s;
  border: 1px solid #f3f4f6;
}

.das-benefit-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.das-benefit-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.das-benefit-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.das-benefit-item p {
  color: var(--gray);
  font-size: 0.9rem;
}

/* ===== Testimonials ===== */
.das-testimonials {
  padding: 100px 0;
  background: linear-gradient(180deg, white 0%, var(--bg-light) 100%);
}

.das-testimonial-card {
  background: white;
  border-radius: 24px;
  padding: 50px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--card-shadow);
  border: 1px solid #f3f4f6;
}

.das-testimonial-card > p {
  font-size: 1.25rem;
  color: var(--dark-secondary);
  margin-bottom: 30px;
  font-style: italic;
  line-height: 1.8;
}

.das-testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.das-testimonial-avatar {
  width: 56px;
  height: 56px;
  background: var(--bg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 1.25rem;
}

.das-testimonial-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
}

.das-testimonial-info p {
  font-size: 0.85rem;
  color: var(--gray);
}

/* ===== CTA Banner ===== */
.das-banner {
  padding: 80px 0;
  background: var(--bg-gradient);
  position: relative;
  overflow: hidden;
}

.das-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.das-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.das-banner h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
  max-width: 600px;
}

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

.das-banner .das-btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ===== CTA Section ===== */
.das-cta {
  padding: 120px 0;
  background: linear-gradient(180deg, #f9fafb 0%, white 100%);
  position: relative;
  overflow: hidden;
}

.das-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.06) 0%, transparent 70%);
}

.das-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 100px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.das-cta-content {
  animation: fadeInUp 0.8s ease forwards;
}

.das-cta-badge {
  display: inline-block;
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
  border: 1px solid #c7d2fe;
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.das-cta-badge span {
  color: #4f46e5;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.das-cta h2 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--dark);
  letter-spacing: -1px;
  line-height: 1.2;
}

.das-cta > div > p {
  color: var(--gray);
  font-size: 1.125rem;
  margin-bottom: 32px;
  line-height: 1.8;
}

.das-cta-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.das-cta-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dark-secondary);
  font-weight: 500;
}

.das-cta-feature svg {
  flex-shrink: 0;
}

.das-cta-visual {
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: fadeInRight 0.8s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.das-cta-card-main {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  color: white;
}

.das-cta-card-main .das-cta-card-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.das-cta-card-main h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.das-cta-card-main p {
  font-size: 1rem;
  opacity: 0.9;
}

.das-cta-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.das-cta-card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #f3f4f6;
}

.das-cta-card-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.das-cta-card-label {
  font-size: 0.85rem;
  color: var(--gray);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .das-cta-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .das-cta h2 {
    font-size: 2.5rem;
  }
}

.das-cta-image img {
  width: 100%;
  display: block;
}

.das-cta-floating-card {
  position: absolute;
  bottom: 30px;
  left: -30px;
  background: white;
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.das-cta-floating-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.das-cta-floating-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.das-cta-floating-card p {
  font-size: 0.85rem;
  color: var(--gray);
}

@media (max-width: 1024px) {
  .das-cta-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .das-cta h2 {
    font-size: 2.5rem;
  }

  .das-cta-floating-card {
    left: auto;
    right: 20px;
    bottom: 20px;
  }
}

/* ===== Contact Section ===== */
.das-contact {
  padding: 100px 0;
  background: var(--bg-light);
}

.das-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.das-contact-form {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--card-shadow);
}

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

.das-form-group {
  margin-bottom: 20px;
}

.das-form-group label {
  display: block;
  color: var(--dark);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.das-form-group input,
.das-form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-light);
  border: 2px solid #f3f4f6;
  border-radius: 12px;
  color: var(--dark);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.3s;
}

.das-form-group input:focus,
.das-form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
}

.das-form-submit {
  text-align: left;
}

.das-alert {
  padding: 16px 20px;
  border-radius: 12px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.das-alert.success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #059669;
}

.das-alert.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}

.das-faq h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.das-faq > p {
  color: var(--gray);
  margin-bottom: 28px;
}

.das-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.das-faq-item {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.das-faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.das-faq-btn span {
  color: var(--dark);
  font-weight: 600;
  font-size: 0.95rem;
  padding-right: 16px;
}

.das-faq-btn svg {
  width: 20px;
  height: 20px;
  color: var(--gray);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.das-faq-answer {
  padding: 0 24px 20px;
}

.das-faq-answer div {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== Footer ===== */
.das-footer {
  padding: 32px 0;
  background: var(--dark);
}

.das-footer p {
  color: var(--gray-light);
  font-size: 0.9rem;
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .das-hero-grid,
  .das-features-grid,
  .das-cta-grid,
  .das-contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .das-hero h1 {
    font-size: 2.75rem;
  }

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

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

  .das-nav-links {
    display: none;
  }

  .das-mobile-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .das-hero h1 {
    font-size: 2.25rem;
  }

  .das-hero p {
    font-size: 1rem;
  }

  .das-services-grid,
  .das-stats-grid,
  .das-benefits-grid {
    grid-template-columns: 1fr;
  }

  .das-hero-buttons {
    flex-direction: column;
  }

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

  .das-banner-inner {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }

  .das-cta h2,
  .das-section-header h2,
  .das-features h2 {
    font-size: 1.75rem;
  }
}