:root {
    --bg-dark: #090614;
    --bg-card: rgba(20, 15, 35, 0.6);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --accent: #a855f7;        /* Purple */
    --accent-glow: #c084fc;   /* Light Purple Glow */
    --accent-dark: #7e22ce;   /* Deep Purple */
    
    --success: #10b981;
    --border-color: rgba(168, 85, 247, 0.2);
    --border-hover: rgba(168, 85, 247, 0.5);
    
    --font-sans: 'Inter', sans-serif;
}

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

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

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

ul {
    list-style: none;
}

/* Utilities */
.text-accent {
    color: var(--accent-glow);
}

.gradient-text {
    background: linear-gradient(90deg, var(--accent-glow), #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-dark {
    background: rgba(10, 5, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.btn i {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: rgba(168, 85, 247, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1rem 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(9, 6, 20, 0.85);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.logo-icon {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(9, 6, 20, 0) 70%);
    z-index: -1;
    filter: blur(50px);
    animation: pulse 8s infinite alternate;
}

@keyframes pulse {
    0% { transform: translateX(-50%) scale(1); opacity: 0.8; }
    100% { transform: translateX(-50%) scale(1.1); opacity: 1; }
}

.hero-content {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-glow);
    animation: slideDown 0.6s ease-out;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    animation: slideUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    animation: slideUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    animation: slideUp 0.8s ease-out 0.6s both;
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
    width: 100%;
    max-width: 1000px;
    animation: fadeIn 1s ease-out 0.8s both;
}

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

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    text-align: left;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    background: rgba(168, 85, 247, 0.05);
}

.feature-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-actions {
        flex-direction: column;
    }
}

/* Products Section */
.products-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.pc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.pc-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.2rem;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.pc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #ec4899);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pc-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px rgba(168, 85, 247, 0.1);
    border-color: var(--border-hover);
}

.pc-card:hover::before {
    opacity: 1;
}

.pc-image-container {
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
}

.pc-icon {
    width: 80px;
    height: 80px;
    color: var(--accent-glow);
    filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.5));
}

.pc-details {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.pc-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pc-status {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    font-weight: 600;
}

.pc-specs {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.spec-item i {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

.pc-price {
    margin-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.price-unit {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 3rem;
}

.footer-brand {
    flex: 1;
    min-width: 300px;
}

.footer-desc {
    color: var(--text-muted);
    margin: 1rem 0 1.5rem;
    max-width: 350px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}

.link-group h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: white;
}

.link-group a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.link-group a:hover {
    color: var(--accent-glow);
    transform: translateX(5px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* PIN Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    position: relative;
    width: 90%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: 1.5rem;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(168, 85, 247, 0.15);
}

.modal-overlay.active .modal-box {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: white;
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.pin-inputs {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.pin-input {
    width: 50px;
    height: 60px;
    border-radius: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    transition: all 0.2s ease;
    outline: none;
}

.pin-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.mt-4 {
    margin-top: 1rem;
}

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--success);
}

.text-error {
    color: #ef4444; /* red-500 */
}

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

.spin {
    animation: spin 1s linear infinite;
}

.ip-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    border: 1px dashed var(--border-color);
}

.ip-display span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.ip-display code {
    font-family: var(--font-sans);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-glow);
    letter-spacing: 0.05em;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--text-main);
    transform: scale(1.1);
}

.modal-header.mt-4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.modal-header.mt-4 p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
}