/* ==========================================================================
   StoreAlert Pro - Global Glassmorphism Modern Dark CSS Design System
   ========================================================================== */

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(18, 24, 38, 0.75);
    --bg-card-hover: rgba(28, 36, 56, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(59, 130, 246, 0.4);
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.25);
    
    --accent: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --text-heading: #f8fafc;
    --text-body: #94a3b8;
    --text-muted: #64748b;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-body);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
}

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

a:hover {
    color: #60a5fa;
}

/* Header Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--text-heading);
    letter-spacing: -0.5px;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 0 15px var(--primary-glow);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-body);
    font-weight: 500;
    font-size: 15px;
}

.nav-links a:hover {
    color: var(--text-heading);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-heading);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
    padding: 90px 8% 60px;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-full);
    color: #60a5fa;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 900;
    color: var(--text-heading);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
}

.hero h1 span {
    background: linear-gradient(135deg, #60a5fa, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-body);
    max-width: 760px;
    margin: 0 auto 36px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 50px;
}



/* Simulator Container */
.sim-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    margin-bottom: 80px;
}

.sim-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.sim-title {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 18px;
}

.sim-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.sim-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: left;
    position: relative;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
}

.status-badge.operational {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.status-badge.down {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.status-dot-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

/* Feature Grid */
.section {
    padding: 80px 8%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    color: var(--text-heading);
    margin-bottom: 10px;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
}

.popular-tag {
    position: absolute;
    top: -14px;
    right: 30px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.pricing-price {
    font-size: 44px;
    font-weight: 900;
    color: var(--text-heading);
    margin: 20px 0 10px;
}

.pricing-price span {
    font-size: 16px;
    color: var(--text-body);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin: 24px 0 32px;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: "✓";
    color: var(--accent);
    font-weight: 900;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 8%;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* Form Controls & Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    width: 90%;
    max-width: 520px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 15px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Dashboard Specific Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.dash-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.dash-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.dash-stat-number {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-heading);
}

.table-responsive {
    overflow-x: auto;
    margin-top: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

th, td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
}

/* Code Snippet Box */
.code-box {
    background: #020617;
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 13px;
    color: #38bdf8;
    overflow-x: auto;
    white-space: pre-wrap;
    position: relative;
}

/* Checkout Modal Styles */
.checkout-card {
    background: #0f172a;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.order-summary-box {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 20px;
}

.card-input-group {
    position: relative;
}

.card-input-group input {
    letter-spacing: 1px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero h1 { font-size: 36px; }
    .hero p { font-size: 16px; }
}