/* ========================================
   IRONMINE - INDUSTRIAL CRYPTO MINING
   Black + Yellow + Gray Theme
   Heavy Industrial Machinery Aesthetic
======================================== */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Primary Colors - Industrial */
    --black-deep: #0a0a0a;
    --black-primary: #121212;
    --black-light: #1a1a1a;
    --black-lighter: #242424;
    
    --yellow-primary: #ffd600;
    --yellow-dark: #d4af00;
    --yellow-glow: rgba(255, 214, 0, 0.3);
    --yellow-bright: #ffea00;
    
    --gray-dark: #2a2a2a;
    --gray-metal: #3a3a3a;
    --gray-light: #4a4a4a;
    --gray-lighter: #6a6a6a;
    --gray-steel: #8a8a8a;
    
    /* Accent Colors */
    --orange-warning: #ff9500;
    --red-danger: #ff3b30;
    --green-success: #00ff00;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --text-dark: #666666;
    
    /* Borders & Panels */
    --border-heavy: 4px;
    --border-medium: 3px;
    --border-light: 2px;
    --border-color: #333333;
    --border-yellow: var(--yellow-primary);
    
    /* Shadows */
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.8);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.6);
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-yellow: 0 0 30px var(--yellow-glow);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Typography */
    --font-primary: 'Rajdhani', sans-serif;
    --font-display: 'Orbitron', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-mechanical: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ========================================
   GLOBAL RESET & BASE
======================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--black-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.loading {
    overflow: hidden;
}

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

a:hover {
    color: var(--yellow-bright);
}

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

/* ========================================
   PRELOADER
======================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--black-deep);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--yellow-primary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px var(--yellow-glow);
}

.preloader-animation {
    position: relative;
    width: 120px;
    height: 120px;
}

.gear-outer,
.gear-inner {
    position: absolute;
    border: 4px solid var(--yellow-primary);
    border-radius: 50%;
    animation: rotate 3s linear infinite;
}

.gear-outer {
    width: 120px;
    height: 120px;
    top: 0;
    left: 0;
    border-style: dashed;
}

.gear-inner {
    width: 70px;
    height: 70px;
    top: 25px;
    left: 25px;
    animation: rotate-reverse 2s linear infinite;
    border-style: solid;
}

.preloader-text {
    margin-top: 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3em;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotate-reverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

/* ========================================
   TYPOGRAPHY
======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
}

h4 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.text-yellow {
    color: var(--yellow-primary);
}

.text-highlight {
    background: linear-gradient(90deg, var(--yellow-primary), var(--yellow-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   BUTTONS - INDUSTRIAL STYLE
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: var(--border-heavy) solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-mechanical);
    position: relative;
    overflow: hidden;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--yellow-primary);
    border-color: var(--yellow-primary);
    color: var(--black-primary);
    box-shadow: var(--shadow-yellow);
}

.btn-primary:hover {
    background: var(--yellow-bright);
    transform: translateY(-3px);
    box-shadow: 0 0 40px var(--yellow-glow), var(--shadow-heavy);
    color: var(--black-primary);
}

.btn-secondary {
    background: var(--gray-dark);
    border-color: var(--gray-steel);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--gray-metal);
    border-color: var(--yellow-primary);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    border-color: var(--yellow-primary);
    color: var(--yellow-primary);
}

.btn-outline:hover {
    background: var(--yellow-primary);
    color: var(--black-primary);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* ========================================
   HEADER - HEAVY & DOMINANT
======================================== */

.site-header {
    position: sticky;
    top: 0;
    background: var(--black-light);
    border-bottom: var(--border-heavy) solid var(--yellow-primary);
    z-index: 1000;
    transition: var(--transition-base);
    box-shadow: var(--shadow-heavy);
}

.site-header.scrolled {
    background: var(--black-deep);
    border-bottom-width: 2px;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.header-container::before,
.header-container::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 4px;
    background: var(--yellow-primary);
}

.header-container::before {
    left: 0;
}

.header-container::after {
    right: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--yellow-primary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    position: relative;
    z-index: 10;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--yellow-primary), var(--yellow-dark));
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--black-primary);
    animation: pulse-glow 3s ease-in-out infinite;
    position: relative;
}

.logo-icon::before {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    background: var(--yellow-primary);
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    opacity: 0.2;
    animation: rotate 20s linear infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--yellow-glow));
    }
    50% {
        filter: drop-shadow(0 0 25px var(--yellow-glow));
    }
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
}

.main-nav li {
    position: relative;
}

.main-nav a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    transition: var(--transition-base);
    border-left: 2px solid var(--border-color);
}

.main-nav li:last-child a {
    border-right: 2px solid var(--border-color);
}

.main-nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--yellow-primary);
    transition: var(--transition-mechanical);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--yellow-primary);
    background: rgba(255, 214, 0, 0.05);
}

.main-nav a:hover::before,
.main-nav a.active::before {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 0.5rem;
    background: var(--gray-dark);
    border: 2px solid var(--border-color);
    clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.mobile-toggle span {
    width: 30px;
    height: 3px;
    background: var(--yellow-primary);
    transition: var(--transition-base);
    box-shadow: 0 0 5px var(--yellow-glow);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ========================================
   HERO SECTION - SPLIT INDUSTRIAL LAYOUT
======================================== */

.hero-section {
    min-height: 140vh;
    display: flex;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    background: var(--black-deep);
    border-bottom: var(--border-heavy) solid var(--yellow-primary);
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    filter: grayscale(100%) contrast(1.2);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(18, 18, 18, 0.85) 100%);
    pointer-events: none;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255, 214, 0, 0.03) 50px, rgba(255, 214, 0, 0.03) 51px),
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255, 214, 0, 0.03) 50px, rgba(255, 214, 0, 0.03) 51px);
    pointer-events: none;
}

.hero-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    padding: var(--spacing-lg) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--gray-dark);
    border: 2px solid var(--yellow-primary);
    clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--yellow-primary);
    margin-bottom: var(--spacing-md);
    animation: slide-in-left 0.8s ease-out;
}

.hero-badge i {
    font-size: 1.25rem;
    animation: pulse 2s ease-in-out infinite;
}

.hero-content h1 {
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    animation: slide-in-left 0.8s ease-out 0.2s backwards;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    animation: slide-in-left 0.8s ease-out 0.4s backwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: slide-in-left 0.8s ease-out 0.6s backwards;
}

.hero-visual {
    position: relative;
    animation: slide-in-right 0.8s ease-out 0.4s backwards;
}

.hero-image-frame {
    position: relative;
    border: var(--border-heavy) solid var(--yellow-primary);
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
    overflow: hidden;
    box-shadow: var(--shadow-heavy), var(--shadow-yellow);
}

.hero-image-frame img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(20%) contrast(1.1);
    transition: var(--transition-slow);
}

.hero-image-frame:hover img {
    transform: scale(1.05);
    filter: grayscale(0%) contrast(1.2);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: var(--spacing-lg);
}

.hero-stat {
    background: var(--gray-dark);
    border: 2px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    transition: var(--transition-mechanical);
}

.hero-stat:hover {
    border-color: var(--yellow-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-yellow);
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--yellow-primary);
    margin-bottom: 0.5rem;
}

.hero-stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* ========================================
   SECTION CONTAINERS - INDUSTRIAL PANELS
======================================== */

.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
    border-bottom: 2px solid var(--border-color);
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yellow-primary), transparent);
    opacity: 0.5;
}

.section-dark {
    background: var(--black-deep);
}

.section-pattern {
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 100px, rgba(255, 214, 0, 0.02) 100px, rgba(255, 214, 0, 0.02) 101px);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gray-dark);
    border: 2px solid var(--yellow-primary);
    color: var(--yellow-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* ========================================
   INDUSTRIAL PANEL CARDS
======================================== */

.panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.panel-card {
    background: var(--gray-dark);
    border: var(--border-medium) solid var(--border-color);
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition-mechanical);
}

.panel-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--yellow-primary), transparent);
    opacity: 0;
    transition: var(--transition-base);
    z-index: -1;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.panel-card:hover {
    transform: translateY(-8px);
    border-color: var(--yellow-primary);
}

.panel-card:hover::before {
    opacity: 0.1;
}

.panel-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--yellow-primary), var(--yellow-dark));
    clip-path: polygon(20% 0%, 80% 0%, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0% 80%, 0% 20%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--black-primary);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-yellow);
}

.panel-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--yellow-primary);
}

.panel-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   GAUGE METERS - PERFORMANCE METRICS
======================================== */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.metric-gauge {
    background: var(--black-light);
    border: var(--border-medium) solid var(--border-color);
    clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gauge-container {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.gauge-circle {
    width: 100%;
    height: 100%;
    position: relative;
}

.gauge-bg,
.gauge-fill {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 12px solid transparent;
    position: absolute;
    top: 0;
    left: 0;
}

.gauge-bg {
    border-color: var(--gray-metal);
    box-shadow: var(--shadow-inset);
}

.gauge-fill {
    border-color: var(--yellow-primary);
    clip-path: polygon(0 0, 100% 0, 100% 50%, 50% 50%);
    transform-origin: 50% 50%;
    transition: transform 2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    filter: drop-shadow(0 0 10px var(--yellow-glow));
}

.gauge-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--yellow-primary);
}

.gauge-label {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* ========================================
   MACHINERY SHOWCASE - ANIMATED BLOCKS
======================================== */

.machinery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.machine-block {
    background: var(--black-light);
    border: var(--border-heavy) solid var(--border-color);
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
    overflow: hidden;
    position: relative;
    transition: var(--transition-mechanical);
    cursor: pointer;
}

.machine-block:hover {
    border-color: var(--yellow-primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy), var(--shadow-yellow);
}

.machine-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.machine-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(40%) contrast(1.1);
    transition: var(--transition-slow);
}

.machine-block:hover .machine-image img {
    transform: scale(1.1);
    filter: grayscale(0%) contrast(1.2);
}

.machine-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 10, 0.9) 100%);
    pointer-events: none;
}

.machine-info {
    padding: var(--spacing-md);
    background: var(--gray-dark);
}

.machine-content {
    padding: var(--spacing-lg);
    background: var(--gray-dark);
}

.machine-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--yellow-primary);
}

.machine-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
}

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

.machine-spec i {
    color: var(--yellow-primary);
    font-size: 1rem;
}

.machine-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   FLOATING SOCIAL SIDEBAR
======================================== */

.floating-social {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
    transition: var(--transition-base);
}

.floating-social.hidden {
    transform: translateY(-50%) translateX(-100%);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--black-light);
    border: var(--border-medium) solid var(--border-color);
    border-left: none;
    clip-path: polygon(0 10px, 100% 0, 100% 100%, 0 calc(100% - 10px));
}

.social-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-dark);
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition-mechanical);
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.social-link:last-child {
    border-bottom: none;
}

.social-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 0;
    background: var(--yellow-primary);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--yellow-primary);
    color: var(--black-primary);
    transform: translateX(10px);
}

.social-link:hover::before {
    height: 100%;
}

/* ========================================
   FLOATING ACTION BUTTONS
======================================== */

.floating-actions {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.floating-btn {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--yellow-primary), var(--yellow-dark));
    border: var(--border-medium) solid var(--yellow-primary);
    clip-path: polygon(15% 0%, 85% 0%, 100% 15%, 100% 85%, 85% 100%, 15% 100%, 0% 85%, 0% 15%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-mechanical);
    box-shadow: var(--shadow-yellow), var(--shadow-heavy);
    animation: float 3s ease-in-out infinite;
}

.floating-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 40px var(--yellow-glow), var(--shadow-heavy);
}

.floating-btn.hidden {
    transform: translateY(200%);
}

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

/* ========================================
   FOOTER - HEAVY INDUSTRIAL
======================================== */

.site-footer {
    background: var(--black-deep);
    border-top: var(--border-heavy) solid var(--yellow-primary);
    padding: var(--spacing-2xl) 0 0;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--yellow-primary), transparent);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--yellow-primary);
    margin-bottom: var(--spacing-md);
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    padding: 0.75rem;
    background: var(--gray-dark);
    border-left: 3px solid var(--yellow-primary);
}

.footer-contact-item i {
    color: var(--yellow-primary);
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.footer-section h4 {
    font-size: 1.25rem;
    color: var(--yellow-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a::before {
    content: '▸';
    color: var(--yellow-primary);
    font-size: 0.85rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--yellow-primary);
    padding-left: 0.5rem;
}

.footer-links a:hover::before {
    transform: translateX(5px);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

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

.footer-social-link {
    width: 45px;
    height: 45px;
    background: var(--gray-dark);
    border: 2px solid var(--border-color);
    clip-path: polygon(10% 0%, 90% 0%, 100% 10%, 100% 90%, 90% 100%, 10% 100%, 0% 90%, 0% 10%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-mechanical);
}

.footer-social-link:hover {
    background: var(--yellow-primary);
    border-color: var(--yellow-primary);
    color: var(--black-primary);
    transform: translateY(-5px) rotate(5deg);
}

/* ========================================
   FORMS - INDUSTRIAL STYLE
======================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--yellow-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: var(--gray-dark);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    transition: var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--yellow-primary);
    box-shadow: 0 0 0 3px var(--yellow-glow);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

/* ========================================
   UTILITY CLASSES
======================================== */

.text-center { text-align: center; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Navbar adjustments for medium screens */
    .main-nav a {
        padding: 1rem 1rem;
        font-size: 0.9rem;
    }
    
    .header-actions .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 1024px) {
    /* Switch to mobile menu for tablets and smaller */
    .main-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .header-actions .btn {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-2xl: 3.5rem;
        --spacing-lg: 1.5rem;
        --spacing-md: 1rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .header-actions .btn {
        display: none;
    }
    
    /* Hero Section */
    .hero-section {
        min-height: auto;
        padding: 6rem 0 3rem;
        overflow-x: hidden;
    }
    
    .hero-container {
        padding: 0 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .hero-stat {
        padding: 1rem;
    }
    
    .hero-stat-value {
        font-size: 1.5rem;
    }
    
    /* Section Styling */
    .section {
        padding: 2.5rem 0;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    /* Panel Cards */
    .panel-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .panel-card {
        padding: 1.5rem;
    }
    
    .panel-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .panel-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .panel-text {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    /* Metrics/Gauges */
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .gauge-circle {
        width: 120px;
        height: 120px;
    }
    
    .gauge-value {
        font-size: 1.5rem;
    }
    
    .gauge-label {
        font-size: 0.85rem;
        margin-top: 0.75rem;
    }
    
    /* Machinery Grid */
    .machinery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .machine-block {
        padding: 0;
    }
    
    .machine-content {
        padding: 1.5rem;
    }
    
    .machine-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .machine-spec {
        font-size: 0.9rem;
        padding: 0.5rem 0;
    }
    
    /* Buttons */
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .btn-lg {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }
    
    /* Footer */
    .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding-bottom: 120px;
    }
    
    .footer-brand h3 {
        font-size: 1.5rem;
    }
    
    .footer-section h4 {
        font-size: 1.1rem;
    }
    
    /* Contact Page Responsive */
    .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    
    .contact-form-wrapper,
    .contact-info-wrapper {
        padding: 2rem !important;
    }
    
    .contact-form-wrapper h2,
    .contact-info-wrapper h2 {
        font-size: 1.5rem !important;
        margin-bottom: 1.5rem !important;
    }
    
    .contact-form-wrapper label {
        font-size: 0.85rem !important;
    }
    
    .contact-form-wrapper input,
    .contact-form-wrapper select,
    .contact-form-wrapper textarea {
        padding: 0.875rem !important;
        font-size: 0.95rem !important;
    }
    
    .contact-form-wrapper button {
        padding: 1rem !important;
        font-size: 1rem !important;
    }
    
    /* Floating Elements */
    .floating-social {
        display: none;
    }
    
    .floating-actions {
        right: 1rem;
        bottom: 1rem;
        flex-direction: row;
        gap: 0.75rem;
    }
    
    .floating-btn {
        width: 55px;
        height: 55px;
        font-size: 1.2rem;
    }
    
    /* Reduce animation distance on mobile */
    @keyframes slide-in-left {
        from {
            opacity: 0;
            transform: translateX(-20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes slide-in-right {
        from {
            opacity: 0;
            transform: translateX(20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
        --spacing-lg: 1.25rem;
        --spacing-md: 0.875rem;
    }
    
    .logo-text {
        display: none;
    }

    .logo {
        font-size:1.3rem;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    /* Hero Section */
    .hero-section {
        padding: 5rem 0 2.5rem;
    }
    
    .hero-container {
        padding: 0 0.875rem;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
        line-height: 1.25;
        margin-bottom: 1rem;
    }
    
    .hero-content p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    
    .hero-actions .btn {
        width: 100%;
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .hero-badge {
        font-size: 0.65rem;
        padding: 0.5rem 0.875rem;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .hero-badge i {
        font-size: 0.9rem;
    }
    
    .hero-image-frame {
        margin-bottom: 1rem;
    }
    
    .hero-stat {
        padding: 0.875rem;
    }
    
    .hero-stat-value {
        font-size: 1.35rem;
    }
    
    .hero-stat-label {
        font-size: 0.75rem;
    }
    
    /* Sections */
    .section {
        padding: 2rem 0;
    }
    
    .container {
        padding: 0 0.875rem;
    }
    
    .section-header {
        margin-bottom: 1.5rem;
    }
    
    .section-badge {
        font-size: 0.65rem;
        padding: 0.4rem 0.875rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
        margin-bottom: 0.625rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 0.875rem;
        line-height: 1.6;
    }
    
    /* Panel Cards */
    .panel-grid {
        gap: 0.875rem;
    }
    
    .panel-card {
        padding: 1.25rem;
    }
    
    .panel-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: 0.875rem;
    }
    
    .panel-title {
        font-size: 1rem;
        margin-bottom: 0.625rem;
    }
    
    .panel-text {
        font-size: 0.875rem;
        line-height: 1.6;
    }
    
    /* Metrics/Gauges */
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 0.875rem;
    }
    
    .gauge-circle {
        width: 100px;
        height: 100px;
    }
    
    .gauge-value {
        font-size: 1.35rem;
    }
    
    .gauge-label {
        font-size: 0.8rem;
        margin-top: 0.625rem;
    }
    
    /* Machinery */
    .machinery-grid {
        gap: 1.25rem;
    }
    
    .machine-content {
        padding: 1.25rem;
    }
    
    .machine-title {
        font-size: 1.1rem;
        margin-bottom: 0.875rem;
    }
    
    .machine-spec {
        font-size: 0.85rem;
        padding: 0.4rem 0;
    }
    
    .machine-spec i {
        font-size: 0.875rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .btn i {
        font-size: 0.9rem;
    }
    
    /* Footer */
    .site-footer {
        padding: 2rem 0 0;
    }
    
    .footer-main {
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .footer-brand h3 {
        font-size: 1.35rem;
        margin-bottom: 0.875rem;
    }
    
    .footer-brand p {
        font-size: 0.875rem;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 0.875rem;
    }
    
    .footer-link {
        font-size: 0.875rem;
        padding: 0.5rem 0;
    }
    
    .footer-contact-item {
        padding: 0.625rem;
        font-size: 0.875rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-contact-item i {
        font-size: 1rem;
    }
    
    /* Contact Page Mobile */
    .contact-grid {
        gap: 1.5rem !important;
    }
    
    .contact-form-wrapper,
    .contact-info-wrapper {
        padding: 1.5rem !important;
        clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px) !important;
    }
    
    .contact-form-wrapper h2,
    .contact-info-wrapper h2 {
        font-size: 1.25rem !important;
        margin-bottom: 1.25rem !important;
    }
    
    .contact-form-wrapper label {
        font-size: 0.8rem !important;
        margin-bottom: 0.4rem !important;
    }
    
    .contact-form-wrapper input,
    .contact-form-wrapper select,
    .contact-form-wrapper textarea {
        padding: 0.75rem !important;
        font-size: 0.875rem !important;
    }
    
    .contact-form-wrapper button {
        padding: 0.875rem !important;
        font-size: 0.95rem !important;
    }
    
    .contact-form-wrapper form {
        gap: 1.25rem !important;
    }
    
    /* Floating Buttons */
    .floating-actions {
        right: 0.75rem;
        bottom: 0.75rem;
        gap: 0.625rem;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }
    
    /* Further reduce animation on small screens */
    @keyframes slide-in-left {
        from {
            opacity: 0;
            transform: translateX(-10px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes slide-in-right {
        from {
            opacity: 0;
            transform: translateX(10px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
}