/* ===================================
   Xandrium NetGrid Website Styles
   Modern, Clean, Professional
   =================================== */

:root {
    /* Color Palette - Enhanced Professional */
    --color-primary: #0F2942;        /* Deep Navy Blue */
    --color-primary-light: #1E4976;  /* Medium Blue */
    --color-accent: #00D9FF;         /* Vibrant Cyan */
    --color-accent-dark: #00B8D4;    /* Darker Cyan */
    --color-success: #00C853;        /* Bright Green */
    --color-dark: #0A1929;           /* Almost Black */
    --color-text:  #2D3748;          /* Charcoal */
    --color-text-light: #718096;     /* Cool Gray */
    --color-bg: #FFFFFF;             /* Pure White */
    --color-bg-alt: #F7FAFC;         /* Off White */
    --color-bg-accent: #EDF2F7;      /* Light Gray */
    --color-border: #E2E8F0;         /* Border Gray */
    
    /* Typography - Professional System */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;
    
    /* Spacing - 8px base system - Compact version */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 0.75rem;   /* 12px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 2.5rem;   /* 40px */
    --spacing-3xl: 3rem;     /* 48px */
    --spacing-section: 3rem; /* 48px for sections */
    
    /* Border Radius */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    
    /* Shadows - Refined */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(15, 41, 66, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

/* Logo */
.logo-container {
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.brand-name {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.brand-suffix {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Tagline */
.tagline {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-family: var(--font-display);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Description */
.description {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Product Tiers */
.tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.tier {
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
}

.tier:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-accent);
}

.tier-featured {
    border-color: var(--color-primary);
    border-width: 3px;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
}

.tier-featured:hover {
    border-color: var(--color-accent);
}

.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.tier-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.02em;
    font-family: var(--font-display);
}

.tier-edition {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.tier-price {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.tier-specs {
    color: var(--color-text-light);
    font-size: 1rem;
}

/* Specifications Section */
.specs-section {
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.specs-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--spacing-3xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 0.95rem;
}

.specs-table thead {
    background: var(--color-primary);
    color: white;
}

.specs-table thead th {
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    font-size: 1.125rem;
}

.specs-table .spec-category {
    width: 20%;
}

.specs-table .spec-model {
    width: 26.66%;
    text-align: center;
}

.specs-table .spec-featured {
    background: var(--color-primary-light);
}

.specs-table .spec-subtitle {
    font-size: 0.875rem;
    font-weight: 400;
    opacity: 0.9;
}

.specs-table tbody tr {
    border-bottom: 1px solid var(--color-border);
}

.specs-table tbody tr:last-child {
    border-bottom: none;
}

.specs-table tbody tr:hover {
    background: var(--color-bg-alt);
}

.specs-table tbody td {
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: center;
}

.specs-table .spec-label {
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
}

.specs-table .spec-detail {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

.specs-table tbody .spec-featured {
    background: #E6F3FF;
    color: var(--color-text);
    font-weight: 500;
}

.specs-table tbody .spec-featured .spec-detail {
    color: var(--color-text-light);
}

/* Capacity Section */
.capacity-section {
    margin-top: var(--spacing-3xl);
}

.capacity-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.capacity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.capacity-card {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

.capacity-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.capacity-card-featured {
    border-color: var(--color-primary);
    border-width: 3px;
    box-shadow: var(--shadow-lg);
}

.capacity-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.capacity-model {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.02em;
}

.capacity-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.capacity-stats-single {
    grid-template-columns: 1fr;
    justify-items: center;
}

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

.capacity-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.capacity-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.capacity-usage {
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.6;
}

.capacity-usage p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.capacity-use-case {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--color-text-light);
    text-align: center;
}

/* Compatibility Note */
.compatibility-note {
    background: linear-gradient(135deg, #E6F7FF 0%, #F0F9FF 100%);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.compatibility-note .check-icon {
    width: 40px;
    height: 40px;
    color: var(--color-success);
    flex-shrink: 0;
}

.compatibility-note p {
    margin: 0;
    color: var(--color-text);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 1.0s both;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--color-accent);
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

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

.launch-text {
    margin-top: var(--spacing-md);
    color: var(--color-text-light);
    font-size: 1rem;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 1s both;
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.feature h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ===================================
   Notify Section
   =================================== */

.notify-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.notify-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.notify-description {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.notify-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    transition: border-color var(--transition-fast);
}

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

.privacy-note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

/* ===================================
   Disclaimer Section
   =================================== */

.disclaimer-section {
    background: var(--color-bg);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.disclaimer-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-lg);
}

.disclaimer-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.01em;
}

.disclaimer-item p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-light);
    margin: 0;
}

.disclaimer-item strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ===================================
   Footer
   =================================== */

.footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-text {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.footer-text strong {
    color: white;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.separator {
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   Animations
   =================================== */

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

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .brand-name {
        font-size: 3rem;
    }
    
    .brand-suffix {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 2rem;
    }
    
    .description {
        font-size: 1.125rem;
    }
    
    .tiers {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .notify-form {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 280px;
    }
    
    .brand-name {
        font-size: 2.5rem;
    }
    
    .brand-suffix {
        font-size: 1.5rem;
    }
    
    .tagline {
        font-size: 1.75rem;
    }
    
    .tier-price {
        font-size: 2rem;
    }
}

/* ===================================
   Responsive Grid Helpers
   =================================== */

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

/* Mobile: Stack all grids */
@media (max-width: 768px) {
    .grid-2-col,
    .grid-3-col,
    .grid-auto {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    /* Reduce section padding on mobile */
    body [style*="padding: var(--spacing-xl)"] {
        padding: var(--spacing-md) var(--spacing-md) !important;
    }
    
    body [style*="padding: var(--spacing-lg)"] {
        padding: var(--spacing-md) !important;
    }
    
    /* Fix badge positioning on mobile */
    body [style*="position: absolute"][style*="top: -15px"] {
        position: static !important;
        margin-bottom: var(--spacing-md) !important;
        display: block !important;
        width: fit-content !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    /* Mobile font size adjustments */
    body [style*="font-size: 1.75rem"] {
        font-size: 1.5rem !important;
    }
    
    body [style*="font-size: 2.5rem"] {
        font-size: 2rem !important;
    }
    
    body [style*="font-size: 3rem"] {
        font-size: 2.25rem !important;
    }
    
    /* Mobile pricing displays */
    body [style*="display: inline-block"][style*="border-radius: 12px"] {
        padding: var(--spacing-md) !important;
    }
}

/* Very small screens - iPhone SE */
@media (max-width: 375px) {
    .grid-3-col,
    .grid-auto {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }
    
    /* Further reduce padding */
    body [style*="padding: var(--spacing-xl)"],
    body [style*="padding: var(--spacing-lg)"] {
        padding: var(--spacing-sm) !important;
    }
    
    /* Smaller fonts for tiny screens */
    body [style*="font-size: 1.5rem"] {
        font-size: 1.25rem !important;
    }
    
    body [style*="font-size: 2rem"] {
        font-size: 1.5rem !important;
    }
    
    /* Adjust max-widths to prevent overflow */
    body [style*="max-width: 600px"],
    body [style*="max-width: 650px"],
    body [style*="max-width: 700px"],
    body [style*="max-width: 800px"] {
        max-width: 100% !important;
    }
}