/* Global Styles & Variables */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Rich Dark Mode Palette - Blue/White/Black */
  --bg-primary: #020617;
  /* Very dark blue/black */
  --bg-secondary: #0f172a;
  /* Deep slate blue */
  --bg-tertiary: #1e293b;
  /* Slate blue */

  /* Premium Accents */
  --accent-primary-light: #60a5fa;
  /* Light blue */
  --accent-primary: #3b82f6;
  /* Standard blue */
  --accent-primary-dark: #2563eb;
  /* Dark blue */

  --accent-secondary: #ffffff;
  /* Crisp white */

  /* Text */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #020617;

  /* Glass & Borders */
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glass-hover: rgba(59, 130, 246, 0.4);

  /* Gradients */
  --primary-gradient: linear-gradient(135deg, var(--accent-primary-light) 0%, var(--accent-primary) 50%, var(--accent-primary-dark) 100%);
  --dark-gradient: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);

  /* Shadows */
  --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-primary: 0 8px 30px rgba(59, 130, 246, 0.25);

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', sans-serif;
}

body {
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 15% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(212, 175, 55, 0.04) 0%, transparent 50%);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4 {
  color: #ffffff;
  line-height: 1.2;
}

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

/* Glassmorphism Utilities */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
  border-radius: 20px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  letter-spacing: 0.5px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--primary-gradient);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

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

/* Premium Buttons */
.btn {
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  z-index: 1;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-dark);
  box-shadow: var(--shadow-primary);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent-primary-dark) 0%, var(--accent-primary) 50%, var(--accent-primary-light) 100%);
  opacity: 0;
  z-index: -1;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background: var(--accent-primary);
  color: var(--text-dark);
  box-shadow: var(--shadow-glow);
}

/* Sections */
section {
  padding: 8rem 5%;
  position: relative;
}

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

.section-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.25rem;
  max-width: 650px;
  margin: 0 auto 5rem;
}

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://images.unsplash.com/photo-1541888062145-88547f68ad86?auto=format&fit=crop&q=80') center/cover;
  opacity: 0.15;
  z-index: -2;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent, var(--bg-primary));
  z-index: -1;
}

.hero-content {
  max-width: 1000px;
  padding: 2rem;
  z-index: 2;
}

.hero h1 {
  font-size: 5rem;
  font-weight: 800;
  margin-bottom: 1.8rem;
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-primary-light) 60%, var(--accent-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
}

.hero p {
  font-size: 1.3rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 800px;
  margin-inline: auto;
}

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

/* Trust Bar */
.trust-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 2.5rem 5%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4rem;
  position: relative;
  z-index: 10;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--text-main);
}

.trust-item svg {
  color: var(--accent-primary);
  filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.4));
}

/* Premium Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.card {
  padding: 3rem;
  border-radius: 20px;
  background: rgba(26, 26, 26, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.card:hover {
  transform: translateY(-12px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-glow);
  background: rgba(26, 26, 26, 0.8);
}

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

.card h3 {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

.card p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.learn-more {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
}

.learn-more i,
.learn-more svg {
  transition: var(--transition-fast);
}

.learn-more:hover {
  color: var(--accent-primary-hover);
}

.learn-more:hover svg {
  transform: translateX(5px);
}

/* Forms */
.upload-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 3.5rem;
  border-radius: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.form-group label {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1.2rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  color: var(--text-main);
  font-family: inherit;
  transition: var(--transition);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.file-upload input[type='file'] {
  cursor: pointer;
  padding: 3rem;
  border: 2px dashed var(--border-glass);
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.file-upload input[type='file']:hover {
  border-color: var(--accent-primary);
  background: rgba(212, 175, 55, 0.02);
}

/* Attributes / Liability block */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.feature-item h4 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature-item h4::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
}

.feature-item p {
  color: var(--text-muted);
  padding-left: 1.5rem;
  border-left: 1px solid var(--border-glass);
  margin-left: 3px;
}

/* CTA Banner */
.cta-banner {
  background: var(--dark-gradient);
  text-align: center;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 8rem 5%;
}

.cta-banner h2 {
  font-size: 3.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 4rem 5%;
  color: var(--text-muted);
  font-size: 0.95rem;
  background: var(--bg-secondary);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

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

.animate-up {
  animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  opacity: 0;
}

.delay-1 {
  animation-delay: 0.15s;
}

.delay-2 {
  animation-delay: 0.3s;
}

.delay-3 {
  animation-delay: 0.45s;
}

/* Responsive */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 3.5rem;
  }

  .section-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

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

  .trust-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    padding: 3rem 10%;
  }

  section {
    padding: 5rem 5%;
  }

  .card {
    padding: 2rem;
  }
}