/* ===================================
   CryptoMine Industrial - Main CSS
   Theme: Black + Neon Orange
   =================================== */

/* CSS Variables */
:root {
    /* Colors - Strict Solid Colors Only */
    --color-bg: #0A0A0A;
    --color-primary: #F59E0B;
    --color-secondary: #FB923C;
    --color-accent: #FACC15;
    --color-text: #F9FAFB;
    --color-text-muted: #A1A1AA;
    --color-border: #27272A;
    --color-surface: #18181B;
    
    /* Typography */
    --font-primary: 'Arial', 'Helvetica', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition: 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===================================
   TOP ALERT BAR
   =================================== */
.top-alert-bar {
    background-color: var(--color-surface);
    border-bottom: 3px solid var(--color-primary);
    padding: 0.75rem 0;
}

.alert-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.alert-icon {
    font-size: 1.25rem;
    animation: pulse-glow 2s ease-in-out infinite;
}

.alert-text {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.alert-value {
    background-color: var(--color-primary);
    color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-weight: 700;
    font-size: 0.875rem;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===================================
   HEADER
   =================================== */
.main-header {
    background-color: var(--color-surface);
    border-bottom: 4px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 1px;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.65rem;
    color: var(--color-primary);
    letter-spacing: 2px;
}

/* Main Navigation */
.main-nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    position: relative;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: var(--transition);
    border: 2px solid transparent;
}

.nav-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--color-primary);
}

.nav-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition);
}

.nav-link:hover .nav-border {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle .bar {
    width: 30px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ===================================
   MOBILE MENU
   =================================== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 998;
    opacity: 0;
    transition: opacity var(--transition);
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-menu-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 90%;
    height: 100vh;
    background-color: var(--color-surface);
    border-left: 4px solid var(--color-primary);
    z-index: 999;
    transition: right 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-menu-drawer.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 3px solid var(--color-border);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-logo-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.mobile-logo-text {
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.mobile-menu-close {
    background: none;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition);
}

.mobile-menu-close:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.mobile-nav {
    flex: 1;
    padding: var(--spacing-md);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--color-border);
    margin-bottom: 0.75rem;
    transition: var(--transition);
    font-weight: 600;
}

.mobile-nav-link:hover {
    border-color: var(--color-primary);
    background-color: rgba(245, 158, 11, 0.1);
}

.mobile-nav-link.active {
    border-color: var(--color-primary);
    background-color: rgba(245, 158, 11, 0.15);
}

.mobile-nav-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.mobile-menu-footer {
    padding: var(--spacing-md);
    border-top: 3px solid var(--color-border);
}

.mobile-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    animation: pulse-glow 2s ease-in-out infinite;
}

.mobile-stats {
    display: flex;
    gap: 1rem;
}

.mobile-stat {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    border: 2px solid var(--color-border);
}

.mobile-stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mobile-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* ===================================
   FLOATING SOCIAL
   =================================== */
.floating-social {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 90;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    color: var(--color-text);
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-bg);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

/* ===================================
   FLOATING CTA
   =================================== */
.floating-cta {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
}

.floating-cta-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.floating-cta-btn:hover {
    box-shadow: 0 6px 24px rgba(245, 158, 11, 0.6);
    transform: translateY(-2px);
}

.cta-icon {
    font-size: 1.25rem;
    animation: pulse-glow 2s ease-in-out infinite;
}

.floating-cta-expanded {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 1rem;
    width: 280px;
    background-color: var(--color-surface);
    border: 3px solid var(--color-primary);
    padding: 1.5rem;
}

.floating-cta-expanded.active {
    display: block;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cta-expanded-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.cta-expanded-header h3 {
    font-size: 1.1rem;
}

.cta-close {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.floating-cta-expanded p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.cta-expanded-link {
    display: block;
    padding: 0.75rem;
    text-align: center;
    border: 2px solid var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.cta-expanded-link:hover {
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
}

.cta-expanded-link.secondary {
    background-color: transparent;
    color: var(--color-primary);
}

.cta-expanded-link.secondary:hover {
    background-color: rgba(245, 158, 11, 0.1);
}

/* ===================================
   HERO SECTION - COMPACT
   =================================== */
.hero-section {
    position: relative;
    height: 60vh;
    min-height: 500px;
    max-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-image-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1600') center/cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.85);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

.hero-content {
    max-width: 650px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.2);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title .highlight {
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 2.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-size: 1.1rem;
    font-weight: 700;
    border: 3px solid var(--color-primary);
    transition: var(--transition);
}

.hero-cta-btn:hover {
    background-color: transparent;
    color: var(--color-primary);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.4);
}

.cta-arrow {
    font-size: 1.5rem;
    transition: transform var(--transition);
}

.hero-cta-btn:hover .cta-arrow {
    transform: translateX(5px);
}

/* ===================================
   POWER STRIP
   =================================== */
.power-strip {
    background-color: var(--color-surface);
    border-top: 4px solid var(--color-primary);
    border-bottom: 4px solid var(--color-border);
    padding: 2rem 0;
}

.power-strip-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.power-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.power-icon {
    font-size: 2.5rem;
}

.power-data {
    display: flex;
    flex-direction: column;
}

.power-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    font-family: var(--font-mono);
}

.power-unit {
    font-size: 1.25rem;
    color: var(--color-primary);
    font-weight: 700;
}

.power-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.power-divider {
    width: 2px;
    height: 60px;
    background-color: var(--color-border);
}

/* ===================================
   OPERATIONS SECTION
   =================================== */
.operations-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.operations-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.operations-content .section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.2);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.text-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.text-column p {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.operations-image {
    border: 4px solid var(--color-border);
}

.image-placeholder {
    aspect-ratio: 4/3;
    background-color: var(--color-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 3px dashed var(--color-border);
}

.placeholder-icon {
    font-size: 4rem;
    opacity: 0.5;
}

.image-placeholder p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===================================
   COOLING SECTION
   =================================== */
.cooling-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
    border-top: 4px solid var(--color-border);
}

.cooling-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: center;
}

.cooling-image {
    border: 4px solid var(--color-border);
}

.cooling-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.cooling-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cooling-feature {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
    transition: var(--transition);
}

.cooling-feature:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.feature-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.cooling-feature h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.cooling-feature p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===================================
   INFRASTRUCTURE SECTION
   =================================== */
.infrastructure-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
    border-top: 4px solid var(--color-border);
}

.infrastructure-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.2);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.infrastructure-slider {
    position: relative;
    overflow: hidden;
}

.slider-track {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 1rem 0;
}

.slider-track::-webkit-scrollbar {
    display: none;
}

.slider-item {
    flex: 0 0 calc(33.333% - 1rem);
    min-width: 300px;
    border: 3px solid var(--color-border);
}

.slider-image {
    aspect-ratio: 16/10;
    background-color: var(--color-surface);
}

.slider-caption {
    padding: 1.5rem;
    background-color: var(--color-surface);
    border-top: 3px solid var(--color-border);
}

.slider-caption h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.slider-caption p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border: none;
    color: var(--color-bg);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.slider-btn:hover {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.6);
}

.slider-btn.prev {
    left: 0;
}

.slider-btn.next {
    right: 0;
}

/* ===================================
   RELIABILITY SECTION
   =================================== */
.reliability-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
    border-top: 4px solid var(--color-border);
}

.reliability-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.reliability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.reliability-item {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
    text-align: left;
    transition: var(--transition);
}

.reliability-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 25px rgba(245, 158, 11, 0.2);
}

.reliability-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.reliability-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.reliability-item p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===================================
   CTA BLOCK
   =================================== */
.cta-block {
    background-color: var(--color-primary);
    padding: var(--spacing-2xl) 0;
    border-top: 4px solid var(--color-secondary);
    border-bottom: 4px solid var(--color-secondary);
}

.cta-block-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.cta-block-content {
    flex: 1;
}

.cta-block-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-bg);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.cta-block-description {
    font-size: 1.25rem;
    color: var(--color-bg);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-block-actions {
    display: flex;
    gap: 1rem;
}

.cta-block-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border: 3px solid var(--color-bg);
    transition: var(--transition);
}

.cta-block-btn.primary {
    background-color: var(--color-bg);
    color: var(--color-primary);
}

.cta-block-btn.primary:hover {
    background-color: transparent;
    color: var(--color-bg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.cta-block-btn.secondary {
    background-color: transparent;
    color: var(--color-bg);
}

.cta-block-btn.secondary:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
}

.btn-icon {
    font-size: 1.5rem;
    transition: transform var(--transition);
}

.cta-block-btn:hover .btn-icon {
    transform: translateX(5px);
}

.cta-block-stats {
    display: flex;
    gap: 2rem;
}

.cta-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 2rem;
    background-color: var(--color-bg);
    border: 3px solid var(--color-bg);
}

.cta-stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.cta-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

/* ===================================
   FOOTER
   =================================== */
.main-footer {
    background-color: var(--color-bg);
    position: relative;
}

.footer-top-border {
    height: 4px;
    background-color: var(--color-primary);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.footer-columns {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    margin-bottom: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.footer-description {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-stats {
    display: flex;
    gap: 1.5rem;
}

.footer-stat {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border: 2px solid var(--color-border);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--color-text-muted);
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

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

.footer-cta-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    font-weight: 700;
    border: 2px solid var(--color-primary);
    transition: var(--transition);
}

.footer-cta-btn:hover {
    background-color: transparent;
    color: var(--color-primary);
}

.footer-bottom-border {
    height: 3px;
    background-color: var(--color-border);
    margin-bottom: 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-legal a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--color-primary);
}

.separator {
    color: var(--color-border);
}

/* ===================================
   PAGE HEADER (Internal Pages)
   =================================== */
.page-header {
    padding: 4rem 0 3rem;
    background-color: var(--color-surface);
    border-bottom: 4px solid var(--color-border);
    text-align: center;
}

.page-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.page-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.page-description {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   CONTENT SECTION
   =================================== */
.content-section {
    padding: var(--spacing-2xl) 0;
}

.content-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.content-main h2 {
    font-size: 2rem;
    margin: 2rem 0 1rem;
    color: var(--color-primary);
}

.content-main h2:first-child {
    margin-top: 0;
}

.content-main p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.content-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-box {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-surface);
    text-align: center;
}

.stat-box-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-box-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* ===================================
   VALUES SECTION
   =================================== */
.values-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
    border-top: 4px solid var(--color-border);
}

.values-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.value-item {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
    text-align: center;
    transition: var(--transition);
}

.value-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 25px rgba(245, 158, 11, 0.2);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-item h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--color-text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===================================
   OPERATIONS STATS GRID
   =================================== */
.operations-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}

.ops-stat {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-surface);
    transition: var(--transition);
}

.ops-stat:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.ops-stat-icon {
    font-size: 3rem;
}

.ops-stat-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.ops-stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* ===================================
   HARDWARE & SYSTEMS SECTIONS
   =================================== */
.hardware-section,
.systems-section,
.monitoring-section,
.environmental-section,
.infrastructure-components {
    padding: var(--spacing-2xl) 0;
    border-top: 4px solid var(--color-border);
}

.hardware-container,
.systems-container,
.monitoring-container,
.environmental-container,
.components-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hardware-section {
    background-color: var(--color-surface);
}

.hardware-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.hardware-item {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
}

.hardware-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.hardware-header h3 {
    font-size: 1.5rem;
}

.hardware-badge {
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.2);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.hardware-item p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.hardware-specs {
    display: flex;
    gap: 3rem;
}

.spec {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.spec-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.spec-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
}

/* System Blocks */
.system-blocks {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.system-block {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
}

.system-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
}

.system-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.system-content p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.system-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    list-style: none;
}

.system-features li {
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border-left: 3px solid var(--color-primary);
    font-size: 0.9rem;
}

/* Cooling & Environmental Metrics */
.cooling-metrics,
.environmental-grid,
.monitoring-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.cooling-metric {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-surface);
}

.metric-icon {
    font-size: 2.5rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.env-item,
.monitoring-item {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
    text-align: center;
    transition: var(--transition);
}

.env-item:hover,
.monitoring-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.env-icon,
.monitoring-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.env-item h3,
.monitoring-item h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.env-item p,
.monitoring-item p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Component Items */
.component-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.component-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-surface);
    transition: var(--transition);
}

.component-item:hover {
    border-color: var(--color-primary);
}

.component-icon {
    font-size: 3rem;
    color: var(--color-primary);
}

.component-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.component-content p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.component-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.feature-tag {
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.15);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Facility Stats */
.facility-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.facility-stat {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-surface);
    text-align: center;
}

.facility-stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.facility-stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* Redundancy Section */
.redundancy-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
}

.redundancy-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.redundancy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.redundancy-item {
    padding: 2rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-bg);
    text-align: left;
}

.redundancy-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.redundancy-item p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-section {
    padding: var(--spacing-2xl) 0;
}

.contact-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.form-intro {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.25rem 2rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    border: 3px solid var(--color-primary);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: transparent;
    color: var(--color-primary);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.contact-info-blocks {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.info-block {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border: 3px solid var(--color-border);
    background-color: var(--color-surface);
}

.info-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.info-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.info-content p {
    color: var(--color-text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

.operational-status {
    padding: 1.5rem;
    background-color: var(--color-surface);
    border: 3px solid var(--color-border);
    margin-top: 2rem;
}

.status-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.status-metrics {
    display: flex;
    justify-content: space-around;
}

.status-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.status-metric .metric-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.status-metric .metric-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
}

/* ===================================
   SCROLL REVEAL ANIMATION
   =================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablets */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .operations-container,
    .cooling-container {
        grid-template-columns: 1fr;
    }
    
    .text-columns {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .reliability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-columns {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-block-container {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-block-stats {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    /* Top Alert Bar */
    .top-alert-bar {
        padding: 0.5rem 0;
    }
    
    .alert-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 0 var(--spacing-sm);
    }
    
    .alert-text {
        font-size: 0.75rem;
    }
    
    .alert-value {
        font-size: 0.8rem;
        padding: 0.2rem 0.5rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-section {
        height: auto;
        min-height: 400px;
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .power-strip-container {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        padding: 0 var(--spacing-sm);
    }
    
    .power-divider {
        display: none;
    }
    
    .power-item {
        flex: 0 0 calc(50% - 0.5rem);
        min-width: 140px;
        justify-content: center;
    }
    
    .power-icon {
        font-size: 1.75rem;
    }
    
    .power-value {
        font-size: 1.5rem;
    }
    
    .power-unit {
        font-size: 1rem;
    }
    
    .power-label {
        font-size: 0.7rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .reliability-grid,
    .values-grid,
    .operations-stats-grid,
    .cooling-metrics,
    .environmental-grid,
    .monitoring-grid,
    .facility-stats,
    .redundancy-grid {
        grid-template-columns: 1fr;
    }
    
    /* Cooling Features */
    .cooling-features {
        gap: 1rem;
    }
    
    .cooling-feature {
        flex-direction: column;
        padding: 1rem;
        text-align: center;
    }
    
    .feature-icon {
        font-size: 1.75rem;
    }
    
    .cooling-feature h3 {
        font-size: 1.1rem;
    }
    
    .footer-columns {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-block-title {
        font-size: 2rem;
    }
    
    .cta-block-actions {
        flex-direction: column;
    }
    
    .cta-block-btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-block-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .floating-social {
        position: fixed;
        left: 10px;
        top: auto;
        bottom: -20px;
        flex-direction: row;
        gap: 0.5rem;
        background-color: var(--color-surface);
        padding: 0.5rem;
        border: 2px solid var(--color-border);
        border-radius: 50px;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
        border-radius: 50%;
    }
    
    .floating-cta {
        right: 10px;
        bottom: 10px;
    }
    
    .floating-cta-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .cta-text {
        display: none;
    }
    
    .floating-cta-expanded {
        width: 250px;
    }
    
    .slider-item {
        flex: 0 0 85%;
    }
    
    .contact-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .component-item,
    .system-block {
        flex-direction: column;
    }
    
    .system-features {
        grid-template-columns: 1fr;
    }
    
    /* Additional responsive fixes for cards */
    .ops-stat,
    .cooling-metric,
    .info-block {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .ops-stat-icon,
    .metric-icon,
    .info-icon {
        font-size: 2rem;
    }
    
    .stat-box {
        padding: 1.5rem;
    }
    
    .stat-box-value {
        font-size: 2.5rem;
    }
    
    /* Hardware and component items */
    .hardware-specs {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .component-icon {
        font-size: 2.5rem;
    }

    .ops-stat-data {
        display: flex;
        flex-direction: column;
    }
    
    .hardware-header {
        flex-direction: column;
    }

    .metric-data {
        display: flex;
        flex-direction: column;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .header-container {
        height: 70px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .power-strip {
        padding: 1.5rem 0;
    }
    
    .power-item {
        flex: 0 0 100%;
        padding: 0.75rem;
        border-bottom: 1px solid var(--color-border);
    }
    
    .power-item:last-child {
        border-bottom: none;
    }
    
    .power-icon {
        font-size: 1.5rem;
    }
    
    .power-value {
        font-size: 1.25rem;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
    }
    
    .floating-social {
        bottom: -20px;
        gap: 0.25rem;
        padding: 0.4rem;
    }
    
    .alert-icon {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .cta-block-title {
        font-size: 1.5rem;
    }
    
    .cta-stat {
        padding: 1rem 1.5rem;
    }
    
    .cta-stat-value {
        font-size: 2rem;
    }

    .footer-container{
        padding-bottom: 6rem;
    }
}

/* Print Styles */
@media print {
    .top-alert-bar,
    .mobile-menu-toggle,
    .mobile-menu-drawer,
    .mobile-menu-overlay,
    .floating-social,
    .floating-cta {
        display: none;
    }
}