:root {
  --primary: #22E6FF;
  --secondary: #7C3BFF;
  --accent: #22E6FF;
  --accent2: #7C3BFF;
  --success: #10b981;
  --dark-bg: #0B1020;
  --bg-deep: #050A15;
  --card-bg: #111A2E;
  --text: #EAF2FF;
  --text-light: #9AA8C7;
  --border: #22304A;
  --radius: 12px;
}

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

body {
  font-family: 'Segoe UI', Inter, system-ui, -apple-system, Arial, sans-serif;
  background: radial-gradient(circle at top left, var(--dark-bg) 0%, var(--bg-deep) 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== NAVBAR ===== */
nav{
  width:100%;
  background: rgba(17,26,46,0.95);
  padding:14px 22px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  animation: slideDown 0.6s ease-out;
}

nav a{
  color:var(--text);
  text-decoration:none;
  font-size:0.98rem;
  font-weight:600;
  padding:8px 14px;
  border-radius:8px;
  transition: all 0.3s ease;
  position: relative;
}

nav a::before{
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

nav a:hover,
nav a.active{
  color:var(--accent);
  background: rgba(34,230,255,0.08);
}

nav a:hover::before,
nav a.active::before{
  transform: scaleX(1);
}

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

.page-title {
  text-align: center;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2.5rem;
  margin: 40px 0 12px;
  font-weight: 800;
  animation: fadeInDown 0.8s ease-out;
  filter: drop-shadow(0 0 15px rgba(34,230,255,0.3));
}

.page-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 40px;
  font-size: 1.1rem;
  animation: fadeIn 1s ease-out 0.2s both;
}

.cpu-banner {
  background: linear-gradient(135deg, rgba(34,230,255,0.08), rgba(124,59,255,0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  margin: 30px 0 50px;
  display: flex;
  align-items: center;
  gap: 25px;
  animation: slideUp 0.8s ease-out 0.4s both;
  box-shadow: 0 8px 25px rgba(34,230,255,0.12);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.cpu-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(34,230,255,0.05), transparent);
  animation: shine 4s linear infinite;
}

.cpu-banner:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(34,230,255,0.2);
  border-color: var(--accent);
}

.cpu-icon {
  font-size: 3.5rem;
  color: var(--accent);
  filter: drop-shadow(0 0 15px rgba(34,230,255,0.5));
  animation: float 3s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

.cpu-info {
  flex: 1;
  position: relative;
  z-index: 1;
}

.cpu-info h3 {
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 15px;
  font-weight: 700;
}

.cpu-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(5,10,21,0.4);
  padding: 12px 15px;
  border-radius: 8px;
  border: 1px solid rgba(34,230,255,0.15);
  transition: all 0.3s ease;
}

.spec-item:hover {
  background: rgba(34,230,255,0.08);
  border-color: var(--accent);
  transform: translateX(5px);
}

.spec-item i {
  font-size: 1.5rem;
  color: var(--accent);
  width: 30px;
  text-align: center;
}

.spec-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-item strong {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
}

.spec-item span {
  color: var(--text-light);
  font-size: 0.95rem;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
  margin-bottom: 60px;
}

.plan-card {
  background: var(--card-bg);
  padding: 25px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  animation: slideUp 0.6s ease-out backwards;
  overflow: hidden;
}

.plan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(34,230,255,0.2);
  border-color: var(--accent);
}

.plan-card:hover::before {
  transform: scaleX(1);
}

.plan-card:nth-child(1) { animation-delay: 0.1s; }
.plan-card:nth-child(2) { animation-delay: 0.2s; }
.plan-card:nth-child(3) { animation-delay: 0.3s; }
.plan-card:nth-child(4) { animation-delay: 0.4s; }
.plan-card:nth-child(5) { animation-delay: 0.5s; }
.plan-card:nth-child(6) { animation-delay: 0.6s; }
.plan-card:nth-child(7) { animation-delay: 0.7s; }
.plan-card:nth-child(8) { animation-delay: 0.8s; }

.plan-card.recommended {
  border: 2px solid var(--accent);
  box-shadow: 0 8px 25px rgba(34,230,255,0.15);
}

.plan-card.recommended::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(34,230,255,0.06), transparent);
  pointer-events: none;
}

.recommended-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  padding: 5px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 6px;
  letter-spacing: 0.5px;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(34,230,255,0.4);
}

.plan-icon {
  font-size: 2rem;
  margin-bottom: 15px;
  margin-top: 8px;
}

.plan-name {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--accent);
  font-weight: 700;
  text-shadow: 0 0 10px rgba(34,230,255,0.3);
}

.plan-features {
  list-style: none;
  margin: 20px 0;
  flex-grow: 1;
}

.plan-features li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(34,230,255,0.1);
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.plan-features li:last-child {
  border-bottom: none;
}

.plan-features li:hover {
  padding-left: 8px;
  background: rgba(34,230,255,0.04);
  border-radius: 6px;
}

.plan-features li i {
  color: var(--success);
  margin-right: 12px;
  width: 20px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px rgba(16,185,129,0.4));
}

.plan-features li strong {
  margin-right: 6px;
  color: var(--text);
}

.plan-price {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2.3rem;
  font-weight: 800;
  margin: 20px 0;
  text-align: center;
  filter: drop-shadow(0 0 8px rgba(34,230,255,0.3));
}

.plan-price span {
  font-size: 1rem;
  color: var(--text-light);
  background: none;
  -webkit-text-fill-color: var(--text-light);
}

.btn {
  display: block;
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: white;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  text-decoration: none;
  margin-top: auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(34,230,255,0.3);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34,230,255,0.5);
}

footer {
  text-align: center;
  color: var(--text-light);
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  animation: fadeIn 1.2s ease-out;
}

footer strong {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

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

@media (max-width: 768px) {
  .plans-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .page-title {
    font-size: 2rem;
  }

  nav{ 
    gap:14px; 
    padding:12px; 
    flex-wrap: wrap; 
  }

  nav a{ 
    font-size: 0.9rem; 
    padding: 6px 10px; 
  }

  .cpu-banner {
    flex-direction: column;
    text-align: center;
    padding: 25px 20px;
  }

  .cpu-icon {
    font-size: 3rem;
  }

  .cpu-specs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 15px;
  }

  .page-title {
    font-size: 1.8rem;
  }

  .plan-card {
    padding: 20px;
  }

  .plan-price {
    font-size: 2rem;
  }
}