@import url('variables.css');

/* Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  position: relative;
}

/* Background elements for premium aesthetic */
body::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border: 2px solid var(--bg-primary);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

p {
  color: var(--text-secondary);
}

/* Custom Selection Colors */
::selection {
  background-color: var(--accent-primary);
  color: var(--text-primary);
}

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Glassmorphism Containers */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--glass-border-glow);
}

/* Button & Link Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-full);
  padding: 0;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(10, 11, 22, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: var(--transition-normal);
}

header.scrolled {
  background: var(--bg-primary);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  height: 70px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  -webkit-text-fill-color: initial;
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--text-primary);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
}

nav ul li a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

nav ul li a:hover, nav ul li a.active {
  color: var(--text-primary);
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-normal);
}

nav ul li a:hover::after, nav ul li a.active::after {
  width: 100%;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 6px auto;
  transition: var(--transition-normal);
}

/* Header Action Buttons */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Footer Section */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 80px 0 30px;
  font-family: var(--font-body);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  max-width: 320px;
  font-size: 0.95rem;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.social-link:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: var(--text-primary);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 24px;
  position: relative;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
  transform: translateX(5px);
}

.footer-newsletter {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-newsletter p {
  font-size: 0.95rem;
}

.newsletter-form {
  display: flex;
  position: relative;
}

.newsletter-form input {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-normal);
}

.newsletter-form input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

.newsletter-form button {
  position: absolute;
  right: 6px;
  top: 6px;
  bottom: 6px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--border-radius-full);
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.newsletter-form button:hover {
  background: var(--accent-gradient-hover);
  transform: scale(1.05);
}

.newsletter-form button svg {
  width: 16px;
  height: 16px;
  fill: var(--text-primary);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* Animations Trigger Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.appear {
  opacity: 1;
  transform: translateY(0);
}

/* Stats Section Styles */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.stat-card {
  padding: 40px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: 8px;
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Dynamic Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .nav-actions {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  nav {
    position: fixed;
    top: var(--header-height);
    left: 100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    border-top: 1px solid var(--glass-border);
    transition: left var(--transition-normal) cubic-bezier(0.77,0.2,0.05,1.0);
    z-index: 999;
  }

  nav.active {
    left: 0;
  }

  nav ul {
    flex-direction: column;
    padding: 40px;
    gap: 24px;
    text-align: center;
  }

  nav ul li a {
    font-size: 1.3rem;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
  }

  .section {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .footer-bottom-links {
    justify-content: center;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
}