/* Modern Design System - Visual Recovery 3D Training */

:root {
  --primary-color: #00c6ff;
  --secondary-color: #0072ff;
  --accent-color: #55efc4;
  --text-dark: #2d3436;
  --text-light: #f5f6fa;
  --background-light: #ffffff;
  --background-off: #f9f9f9;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.2);
  --border-radius-lg: 20px;
  --border-radius-md: 12px;
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  background-color: var(--background-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: 2rem;
  color: var(--text-dark);
}

p {
  font-size: 1.1rem;
  color: #636e72;
  margin-bottom: 1.5rem;
}

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

section {
  padding: 80px 0;
}

/* Header */
header {
  padding: 20px 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-dark);
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-height: 80vh;
  background: radial-gradient(circle at top right, rgba(0, 198, 255, 0.1), transparent 40%);
}

.hero-content {
  flex: 1;
  animation: fadeIn 1s ease-out;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease-out 0.3s backwards;
}

.hero-image img {
  max-width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
  animation: float 6s ease-in-out infinite;
}

.tagline {
  display: inline-block;
  background: rgba(0, 198, 255, 0.1);
  color: var(--secondary-color);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.btn-download {
  display: inline-block;
  margin-top: 20px;
  transition: transform var(--transition-speed);
}

.btn-download img {
  height: 60px;
}

.btn-download:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Features/Screenshots */
.showcase {
  background-color: var(--background-off);
  text-align: center;
}

.gallery {
  display: flex;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 50px;
}

.screenshot-card {
  background: white;
  padding: 15px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.screenshot-card img {
  max-width: 250px;
  border-radius: var(--border-radius-md);
  border: 1px solid #eee;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #2d3436, #000000);
  color: var(--text-light);
  padding: 60px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.contact-button {
  display: inline-block;
  background-color: rgba(255,255,255,0.1);
  color: white;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--transition-speed);
}

.contact-button:hover {
  background-color: white;
  color: var(--text-dark);
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 40px;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .screenshot-card img {
    max-width: 100%;
    width: 200px;
  }
}