@import url('variables.css');

/* CSS Resets & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
}

p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 2;
}

.section {
  padding: var(--space-xxl) 0;
  position: relative;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-medium);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Button & Action Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-medium);
  gap: var(--space-xs);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #6d28d9);
  color: #fff;
  box-shadow: var(--shadow-glow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border-color: var(--color-secondary);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.1);
}

.btn-secondary:hover {
  background: var(--color-secondary);
  color: var(--text-dark);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-2px);
}

.btn-link {
  background: transparent;
  border: none;
  color: var(--color-secondary);
  padding: 0;
  font-weight: 500;
  cursor: pointer;
}

.btn-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(9, 13, 22, 0.65);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-medium);
}

.header.scrolled {
  background: rgba(9, 13, 22, 0.95);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xs) 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: var(--transition-medium);
}

.header.scrolled .nav-container {
  height: 65px;
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: #fff;
  gap: var(--space-xs);
}

.logo span {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-item a {
  font-family: var(--font-header);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-item a:hover,
.nav-item.active a {
  color: #fff;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  transition: var(--transition-fast);
}

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

/* Nav Dropdown */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  width: 220px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-fast);
  box-shadow: var(--shadow-lg);
  z-index: 1010;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item a {
  display: block;
  padding: 0.6rem var(--space-md);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.dropdown-item a:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  padding-left: var(--space-lg);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1050;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  position: absolute;
  left: 0;
  transition: var(--transition-fast);
}

.mobile-nav-toggle span:nth-child(1) { top: 0; }
.mobile-nav-toggle span:nth-child(2) { top: 11px; }
.mobile-nav-toggle span:nth-child(3) { top: 22px; }

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

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

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-lg) var(--space-lg);
    transition: var(--transition-medium);
    z-index: 1005;
  }
  
  .nav-links.open {
    right: 0;
  }
  
  .nav-dropdown {
    width: 100%;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding-left: var(--space-md);
    width: 100%;
    display: none;
  }
  
  .nav-dropdown:hover .dropdown-menu {
    display: block;
  }
}

/* Footer Styles */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0 var(--space-lg);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer-brand p {
  margin-top: var(--space-sm);
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: var(--space-xs);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul li a {
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: #fff;
  padding-left: var(--space-xs);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-lg);
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-bottom p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

.footer-legal-links {
  display: flex;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal-links a:hover {
  color: #fff;
}

/* Animations & Fade-ins */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Banner / Particle/Glow Elements */
.glow-spot {
  position: absolute;
  width: 40vw;
  height: 40vw;
  border-radius: var(--radius-full);
  filter: blur(100px);
  z-index: 1;
  opacity: 0.15;
  pointer-events: none;
}

.glow-purple {
  background: var(--color-primary);
  top: -10%;
  right: -5%;
}

.glow-cyan {
  background: var(--color-secondary);
  bottom: 10%;
  left: -5%;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
}

.toast {
  background: var(--bg-secondary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  color: #fff;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  transform: translateX(120%);
  transition: var(--transition-medium);
  min-width: 300px;
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  border-left-color: var(--color-secondary);
}

.toast-icon {
  font-size: 1.25rem;
}