/* 
 * Amarved Recovery System - Main Stylesheet 
 * Premium, Luxury, Medical Aesthetic
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --primary: #0B5FFF;
  --primary-light: rgba(11, 95, 255, 0.1);
  --secondary: #27C2A5;
  --secondary-light: rgba(39, 194, 165, 0.1);
  --bg-color: #F8FAFC;
  --dark: #0F172A;
  --text: #334155;
  --text-light: #64748B;
  --white: #FFFFFF;
  --border: rgba(15, 23, 42, 0.1);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: blur(12px);

  /* Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 25px 50px -12px rgba(11, 95, 255, 0.15);

  /* Typography */
  --font-sans: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;

  /* Spacing */
  --section-py: 120px;
  --container-px: 5%;
  --border-radius: 24px;
}

[data-theme="dark"] {
  --bg-color: #0F172A;
  --dark: #FFFFFF;
  --text: #CBD5E1;
  --text-light: #94A3B8;
  --white: #1E293B;
  --border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; }
p { margin-bottom: 1.5rem; font-size: 1.125rem; color: var(--text-light); }

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--container-px);
}

section {
  padding: var(--section-py) 0;
  position: relative;
}

/* UI Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 500;
  font-family: var(--font-heading);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px 0 rgba(11, 95, 255, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11, 95, 255, 0.23);
  color: #fff;
}

.btn-secondary {
  background: var(--white);
  color: var(--dark);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-color);
  transform: translateY(-2px);
}

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  padding: 1rem 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--text);
  position: relative;
}

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

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

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

/* Mobile Menu Button */
.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.menu-btn span {
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--dark);
  transition: all 0.3s ease;
}

.menu-btn span:nth-child(1) { top: 0; }
.menu-btn span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.menu-btn span:nth-child(3) { bottom: 0; }

.menu-btn.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.menu-btn.active span:nth-child(2) { opacity: 0; }
.menu-btn.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* Footer */
footer {
  background: var(--white);
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-light);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.875rem;
}

/* Utility */
.text-center { text-align: center; }
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Custom Cursor */
.cursor-dot, .cursor-outline {
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 9999;
  pointer-events: none;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
}

.cursor-outline {
  width: 40px;
  height: 40px;
  border: 2px solid var(--primary-light);
  transition: width 0.2s, height 0.2s;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dark);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-color);
  transition: all 0.3s ease;
}
.theme-toggle:hover {
  background: var(--border);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  border: none;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}