/* 
 * Enine Remedies - Custom Styling & Design System
 * Version: 1.0.0
 * Author: Antigravity AI
 */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --color-primary-light: #38bdf8;  /* Sky 400 */
  --color-primary: #0284c7;        /* Sky 600 */
  --color-primary-dark: #0369a1;   /* Sky 700 */
  
  --color-secondary-light: #2dd4bf;/* Teal 400 */
  --color-secondary: #0d9488;      /* Teal 600 */
  --color-secondary-dark: #0f766e; /* Teal 700 */
  
  --color-accent: #10b981;         /* Emerald 500 */
  --color-accent-dark: #047857;    /* Emerald 700 */
  
  --color-dark: #0f172a;           /* Slate 900 */
  --color-dark-muted: #1e293b;     /* Slate 800 */
  --color-light: #f8fafc;          /* Slate 50 */
  --color-light-muted: #f1f5f9;    /* Slate 100 */
  --color-gray: #64748b;           /* Slate 500 */
  
  /* Fonts */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem; /* Offsets scroll position for sticky nav */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* Premium Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-light-muted);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 5px;
  border: 2px solid var(--color-light-muted);
  transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Preloader Styling */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader-logo-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  margin-bottom: 1.5rem;
}

.preloader-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid rgba(56, 189, 248, 0.1);
  border-top-color: var(--color-primary);
  border-bottom-color: var(--color-secondary);
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

.preloader-ring-inner {
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border: 3px solid rgba(45, 212, 191, 0.05);
  border-left-color: var(--color-accent);
  border-right-color: var(--color-primary-light);
  border-radius: 50%;
  animation: spin-reverse 2s linear infinite;
}

.preloader-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Dynamic Molecular Pulsing Logo */
.pulse-molecule {
  width: 24px;
  height: 24px;
  background: radial-gradient(circle, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--color-primary-light);
  animation: pulse-glow 2s infinite ease-in-out;
  position: relative;
}

.pulse-molecule::before,
.pulse-molecule::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--color-secondary-light);
  border-radius: 50%;
  top: -15px;
  left: 6px;
  box-shadow: 0 0 10px var(--color-secondary-light);
  animation: orbit-1 4s infinite linear;
  transform-origin: 6px 27px;
}

.pulse-molecule::after {
  background: var(--color-accent);
  top: 15px;
  left: 20px;
  box-shadow: 0 0 10px var(--color-accent);
  animation: orbit-2 3s infinite linear;
  transform-origin: -8px -3px;
}

.preloader-text {
  color: #f1f5f9;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  background: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fade-pulse 2s infinite ease-in-out;
}

.preloader-subtext {
  color: #94a3b8;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* Glassmorphism Styles */
.glass-nav {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.04);
}

.glass-card-dark {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Product Card Interactions */
.product-card {
  transition: var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -15px rgba(2, 132, 199, 0.12);
}

/* Floating Molecules Animation */
.floating-element-1 {
  animation: float-y 6s ease-in-out infinite;
}

.floating-element-2 {
  animation: float-x 8s ease-in-out infinite;
}

.floating-element-3 {
  animation: float-rotate 12s linear infinite;
}

/* Keyframes */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spin-reverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(0.9) translate(-50%, -50%);
    box-shadow: 0 0 10px var(--color-primary-light);
  }
  50% {
    transform: scale(1.1) translate(-50%, -50%);
    box-shadow: 0 0 30px var(--color-primary-light), 0 0 50px rgba(56, 189, 248, 0.3);
  }
}

@keyframes orbit-1 {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes orbit-2 {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fade-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes float-x {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(15px); }
}

@keyframes float-rotate {
  0% { transform: rotate(0deg) translateY(0px) rotate(0deg); }
  50% { transform: rotate(180deg) translateY(-10px) rotate(-180deg); }
  100% { transform: rotate(360deg) translateY(0px) rotate(-360deg); }
}

/* Custom Micro-interactions */
.btn-primary-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
  opacity: 0;
  z-index: -1;
  transition: var(--transition-fast);
}

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

.btn-primary-gradient:hover {
  box-shadow: 0 10px 25px -10px rgba(13, 148, 136, 0.5);
  transform: translateY(-2px);
}

.btn-primary-gradient:active {
  transform: translateY(0);
}

/* Custom Checkmark for lists */
.list-checked li {
  position: relative;
  padding-left: 2rem;
}

.list-checked li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 2px;
  width: 1.25rem;
  height: 1.25rem;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Accordion Custom Transitions */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
  transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
}

.accordion-chevron {
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-chevron {
  transform: rotate(180deg);
}

/* Modal Animation */
.modal-overlay {
  transition: opacity 0.3s ease-out;
}

.modal-content {
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.modal-hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-hidden .modal-content {
  transform: scale(0.95);
}

/* Timeline Custom Styles */
.timeline-dot {
  position: relative;
}

.timeline-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
}