:root {
  /* Modern Premium Palette */
  --primary-color: #0056b3;
  --primary-gradient: linear-gradient(135deg, #0056b3 0%, #00a8ff 100%);
  --secondary-color: #0078d4;
  --accent-color: #00f2ff;
  --dark-bg: #0a0e14;
  --light-bg: #ffffff;
  --surface-bg: #f5f7fa;
  --text-dark: #1a1a1a;
  --text-muted: #5f6368;
  --text-light: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.3);

  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--light-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
  padding: 1.25rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

header.scrolled {
  padding: 0.75rem 5%;
  box-shadow: var(--shadow-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
}

.cta-sticky {
  background: var(--primary-gradient);
  color: white;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.cta-sticky.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cta-sticky:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  padding: 4rem 1rem;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.btn-primary {
  display: inline-block;
  background: var(--primary-gradient);
  color: white;
  padding: 1.25rem 2.75rem;
  border-radius: 50px;
  font-size: 1.15rem;
  font-weight: 800;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 86, 179, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 86, 179, 0.5);
  filter: brightness(1.05);
}

/* Pain & Solution Section */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 3rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

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

.card {
  background: white;
  padding: 3rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

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

.card h3 {
  margin-bottom: 1.25rem;
  color: var(--text-dark);
  font-size: 1.5rem;
}

.card p {
  color: var(--text-muted);
}

/* Benefits Section */
.benefits-section {
  background: var(--dark-bg);
  color: white;
  max-width: 100%;
  padding: 8rem 5%;
  position: relative;
  overflow: hidden;
}

.benefits-section::after {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 40%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
  z-index: 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-item {
  position: relative;
  z-index: 1;
  text-align: left;
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.benefit-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-color);
  transform: translateY(-5px);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  padding: 0.75rem;
  background: rgba(0, 168, 255, 0.1);
  border-radius: 12px;
}

.benefit-item h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: white;
}

.benefit-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

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

.use-case-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  height: 250px;
}

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

.use-case-card:hover img {
  transform: scale(1.1);
}

.use-case-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 1.5rem;
}

/* Form Section */
.form-section {
  background: var(--surface-bg);
  max-width: 100%;
  padding: 8rem 5%;
}

.form-container {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  padding: 4rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background: #fcfdfe;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: white;
  box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.1);
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: white;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-color);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question span {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0, 1, 0, 1);
  padding: 0 2rem;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
  transition: all 0.5s cubic-bezier(1, 0, 1, 0);
}

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

/* Footer */
footer {
  background: var(--dark-bg);
  color: white;
  padding: 4rem 2rem 2rem;
  text-align: center;
}

.social-proof {
  margin-bottom: 4rem;
  /* Removed opacity to show full color */
}

.social-logos {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  align-items: center;
}

.social-logos img {
  height: 80px;
  /* Increased from 40px */
  object-fit: contain;
  /* Removed filter: grayscale(1) invert(1) to show original colors */
  transition: transform 0.3s ease;
}

.social-logos img:hover {
  transform: scale(1.1);
}

/* Animations */
.fade-ready {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.hero .hero-content {
  animation: heroReveal 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  header {
    padding: 1rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  section {
    padding: 3.5rem 1.5rem;
  }

  .form-container {
    padding: 2rem 1.5rem;
  }
}