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

/* --- DESIGN SYSTEM & TOKENS --- */
:root {
    /* Color Palette */
    --bg-primary: #090d16;
    --bg-secondary: #0f1624;
    --bg-tertiary: #192337;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --accent-gold: #f59e0b;
    --accent-gold-hover: #d97706;
    --accent-gold-glow: rgba(245, 158, 11, 0.25);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(245, 158, 11, 0.15);
    
    /* Industrial Manufacturing Tokens */
    --industrial-amber: #f59e0b;
    --industrial-steel: #243046;
    --industrial-grid: rgba(245, 158, 11, 0.06);
    --industrial-grid-line: rgba(255, 255, 255, 0.025);
    --industrial-hazard: repeating-linear-gradient(-45deg, #f59e0b 0, #f59e0b 10px, #111827 10px, #111827 20px);
    
    /* Glassmorphism */
    --glass-bg: rgba(15, 22, 36, 0.78);
    --glass-border: rgba(245, 158, 11, 0.12);
    --glass-shadow: rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font Families */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background-color: var(--bg-primary);
    background-image: 
        /* Technical CAD Crosshair Dot Matrix (every 30px) */
        radial-gradient(circle at 1.5px 1.5px, rgba(245, 158, 11, 0.22) 1.5px, transparent 0),
        /* Precision Orthogonal CAD Blueprint Grid Lines */
        linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        /* Major Industrial Structural Engineering Grid Lines (every 120px) */
        linear-gradient(to right, rgba(245, 158, 11, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(245, 158, 11, 0.05) 1px, transparent 1px);
    background-size: 30px 30px, 30px 30px, 30px 30px, 120px 120px, 120px 120px;
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* --- UTILITIES & LAYOUT --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

ul {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Sections */
section {
    padding: var(--section-padding);
    position: relative;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 10;
}

.section-header .subtitle {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

/* Background Gradients & Accents */
.bg-decor {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-gold-glow) 0%, rgba(245, 158, 11, 0) 70%);
    opacity: 0.3;
    pointer-events: none;
    z-index: 1;
}

/* --- NAVIGATION BAR --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px var(--glass-shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition-normal);
}

header.scrolled .nav-container {
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    position: relative;
}

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

.logo-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.logo-subtitle {
    font-size: 0.675rem;
    color: var(--accent-gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}

nav ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

nav ul a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

nav ul a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-normal);
}

nav ul a:hover, nav ul a.active {
    color: var(--text-primary);
}

nav ul a:hover::after, nav ul a.active::after {
    width: 100%;
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: var(--bg-primary);
    padding: 10px 22px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
    transition: var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    z-index: 1001;
}

.mobile-nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

/* --- HERO SECTION --- */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    animation: zoom-out 20s infinite alternate;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 50% 40%, rgba(9, 13, 22, 0.42) 0%, rgba(9, 13, 22, 0.76) 65%, var(--bg-primary) 100%),
        linear-gradient(180deg, rgba(9, 13, 22, 0.3) 0%, rgba(9, 13, 22, 0.8) 75%, var(--bg-primary) 100%);
    z-index: 2;
}

/* Hero Ambient Industrial Sparks Canvas */
.hero-sparks-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

/* CAD Crosshairs & Dimension Reticles */
.cad-crosshair {
    position: absolute;
    color: rgba(245, 158, 11, 0.45);
    font-family: monospace, sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    z-index: 5;
    pointer-events: none;
    line-height: 1;
    user-select: none;
}
.ch-top-left { top: 95px; left: 32px; }
.ch-top-right { top: 95px; right: 32px; }
.ch-bottom-left { bottom: 35px; left: 32px; }
.ch-bottom-right { bottom: 35px; right: 32px; }

/* Hero Industrial Telemetry HUD */
.hero-hud {
    position: absolute;
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: var(--font-heading);
    pointer-events: none;
    background: rgba(9, 13, 22, 0.65);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 6px;
    padding: 8px 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.hero-hud-top-left {
    top: 96px;
    left: 56px;
}

.hero-hud-top-right {
    top: 96px;
    right: 56px;
    text-align: right;
}

.hud-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent-gold);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hud-coords, .hud-spec {
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 0.08em;
    font-family: monospace;
}

.hud-status {
    font-size: 0.75rem;
    font-weight: 600;
    color: #34d399;
    letter-spacing: 0.1em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
}

.hud-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 10px #10b981;
    animation: hud-pulse-anim 1.8s infinite ease-in-out;
}

@keyframes hud-pulse-anim {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.5; }
}

@media (max-width: 900px) {
    .hero-hud, .cad-crosshair {
        display: none !important;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--accent-gold);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 30%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent-gold), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
}

.btn-secondary {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-gold);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-anim 1.5s infinite;
}

/* --- INDUSTRIAL & MANUFACTURING BACKGROUND ARCHITECTURE --- */

/* Industrial Section Hazard Separator */
.industrial-hazard-bar {
    width: 100%;
    height: 5px;
    background: repeating-linear-gradient(
        -45deg,
        var(--accent-gold) 0,
        var(--accent-gold) 12px,
        #111827 12px,
        #111827 24px
    );
    opacity: 0.85;
    position: relative;
    z-index: 10;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

/* Industrial Blueprint Watermark (About Section) */
.about {
    position: relative;
    z-index: 10;
    overflow: hidden;
}

.industrial-blueprint-watermark {
    position: absolute;
    top: 50%;
    right: -2%;
    transform: translateY(-50%);
    width: 680px;
    height: 85%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 600' fill='none' stroke='rgba(245,158,11,0.07)' stroke-width='1.2'%3E%3Crect x='150' y='60' width='140' height='420' rx='70' stroke-dasharray='4 4'/%3E%3Crect x='170' y='100' width='100' height='340' rx='50'/%3E%3Cline x1='150' y1='160' x2='290' y2='160'/%3E%3Cline x1='150' y1='240' x2='290' y2='240'/%3E%3Cline x1='150' y1='320' x2='290' y2='320'/%3E%3Cline x1='150' y1='400' x2='290' y2='400'/%3E%3Cline x1='220' y1='30' x2='220' y2='510' stroke-dasharray='8 4' stroke='rgba(245,158,11,0.1)'/%3E%3Ccircle cx='220' cy='180' r='16'/%3E%3Ccircle cx='220' cy='260' r='16'/%3E%3Ccircle cx='220' cy='340' r='16'/%3E%3Cpath d='M290 140 H370 V210 H430'/%3E%3Cpath d='M150 370 H70 V440 H30'/%3E%3Ccircle cx='370' cy='210' r='6' fill='rgba(245,158,11,0.06)'/%3E%3Ccircle cx='70' cy='440' r='6' fill='rgba(245,158,11,0.06)'/%3E%3Cline x1='120' y1='60' x2='120' y2='480' stroke='rgba(255,255,255,0.04)'/%3E%3Cline x1='110' y1='60' x2='130' y2='60' stroke='rgba(255,255,255,0.04)'/%3E%3Cline x1='110' y1='480' x2='130' y2='480' stroke='rgba(255,255,255,0.04)'/%3E%3Ctext x='65' y='275' fill='rgba(245,158,11,0.1)' font-size='12' font-family='monospace' transform='rotate(-90 65 275)'%3E%E2%86%95 5200mm PRESSURE VESSEL%3C/text%3E%3Ctext x='160' y='525' fill='rgba(245,158,11,0.1)' font-size='11' font-family='monospace'%3ESPEC: SS-316L / ASME SEC VIII DIV 1%3C/text%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right center;
    background-size: contain;
    pointer-events: none;
    opacity: 0.9;
    z-index: 1;
}

/* Products Section Industrial Workshop Backdrop */
.products {
    position: relative;
    overflow: hidden;
}

.products-industrial-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(ellipse at center, rgba(9, 13, 22, 0.72) 0%, rgba(9, 13, 22, 0.94) 85%, var(--bg-primary) 100%),
        url('assets/images/industrial_fabrication_bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.3;
    z-index: 1;
    filter: contrast(120%) brightness(85%);
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-content h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.about-content .highlight {
    color: var(--accent-gold);
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.about-info-box {
    display: flex;
    gap: 20px;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 32px;
}

.director-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-gold);
}

.director-details h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.director-details p {
    font-size: 0.875rem;
    color: var(--accent-gold);
    margin-bottom: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1.1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* About Side Cards */
.about-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 14px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background-color: var(--accent-gold);
    transition: var(--transition-normal);
}

.about-card:hover {
    transform: translateX(10px);
    border-color: var(--border-glow);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-card:hover::before {
    height: 100%;
}

.about-card-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(245, 158, 11, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.about-card h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* --- STRENGTHS GRID --- */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.strength-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 40px 30px;
    transition: var(--transition-normal);
    position: relative;
}

.strength-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: 0 12px 30px rgba(245, 158, 11, 0.05);
}

.strength-num {
    position: absolute;
    top: 20px;
    right: 30px;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    transition: var(--transition-normal);
}

.strength-card:hover .strength-num {
    color: rgba(245, 158, 11, 0.07);
}

.strength-card h4 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

/* --- PROCESS SECTION (INTERACTIVE FLOW) --- */
.process {
    background-color: rgba(15, 22, 36, 0.85);
    position: relative;
    overflow: hidden;
}

.process-interactive-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-top: 50px;
}

/* Process Timeline (Left) */
.process-timeline {
    position: relative;
    padding-left: 36px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 15px;
    width: 2px;
    height: calc(100% - 20px);
    background-color: var(--bg-tertiary);
}

.process-step-btn {
    display: flex;
    flex-direction: column;
    text-align: left;
    background: none;
    border: none;
    width: 100%;
    padding: 20px;
    margin-bottom: 16px;
    border-radius: 10px;
    position: relative;
    cursor: pointer;
    transition: var(--transition-normal);
}

.process-step-btn::before {
    content: '';
    position: absolute;
    top: 24px;
    left: -31px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 3px solid var(--bg-secondary);
    transition: var(--transition-normal);
    z-index: 2;
}

.process-step-btn:hover {
    background-color: var(--bg-tertiary);
}

.process-step-btn.active {
    background-color: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.process-step-btn.active::before {
    background-color: var(--accent-gold);
    box-shadow: 0 0 10px var(--accent-gold);
}

.process-step-btn .step-number {
    font-size: 0.75rem;
    color: var(--accent-gold);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: 0.1em;
}

.process-step-btn .step-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.process-step-btn .step-short-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Process Display Card (Right) */
.process-display-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    position: sticky;
    top: 120px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.process-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.process-card-title h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.process-card-title .process-tag {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--accent-gold);
    background-color: rgba(245, 158, 11, 0.1);
    padding: 4px 12px;
    border-radius: 100px;
    font-weight: 600;
}

.process-step-icon {
    font-size: 3rem;
    color: var(--accent-gold);
}

.process-card-body h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.process-card-body p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.process-sub-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 30px;
}

.sub-step-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.sub-step-num {
    width: 24px;
    height: 24px;
    background-color: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-gold);
    flex-shrink: 0;
    margin-top: 2px;
}

.sub-step-content h5 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* Process Diagram Section (Below Flow) */
.process-diagram-container {
    margin-top: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 50px 30px;
    text-align: center;
}

.process-diagram-container h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 40px;
}

.process-flow-svg {
    width: 100%;
    max-width: 1000px;
    height: auto;
    margin: 0 auto;
}

.process-node {
    fill: var(--bg-tertiary);
    stroke: var(--border-color);
    stroke-width: 2;
    transition: var(--transition-normal);
    cursor: pointer;
}

.process-node:hover {
    fill: var(--accent-gold-glow);
    stroke: var(--accent-gold);
}

.process-node-active {
    fill: rgba(245, 158, 11, 0.15) !important;
    stroke: var(--accent-gold) !important;
    stroke-width: 3;
}

.process-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    fill: var(--text-primary);
    pointer-events: none;
}

.process-arrow {
    fill: none;
    stroke: var(--text-muted);
    stroke-width: 2;
    stroke-dasharray: 5, 5;
    animation: flow-dash 10s linear infinite;
}

@keyframes flow-dash {
    to {
        stroke-dashoffset: -100;
    }
}

/* --- PRODUCT PORTFOLIO --- */
.products-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.filter-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 24px;
    border-radius: 100px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.filter-btn:hover {
    border-color: var(--accent-gold);
    color: var(--text-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: var(--bg-primary);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25);
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.product-img-holder {
    height: 240px;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.product-img-holder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-img-holder img {
    transform: scale(1.08);
}

.product-category-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(11, 15, 25, 0.85);
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(4px);
}

.product-card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card-content h4 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-card-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-specs {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.spec-val {
    display: block;
}

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

.spec-val .val {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* --- CLIENTS SECTION --- */
.clients {
    background-color: rgba(15, 22, 36, 0.85);
    position: relative;
    overflow: hidden;
}

.clients-table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.clients-search {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.clients-search input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 12px 20px 12px 48px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.clients-search input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.1);
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.table-stats-info {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.clients-table-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow-x: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.clients-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.clients-table th {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 2px solid var(--border-color);
    padding: 18px 24px;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.clients-table td {
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.clients-table tbody tr {
    transition: var(--transition-fast);
}

.clients-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.clients-table tbody tr:hover td {
    color: var(--text-primary);
}

.client-name-cell {
    font-weight: 600;
    color: var(--text-primary);
}

.client-location-badge {
    display: inline-block;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.8rem;
}

.client-project-tag {
    color: var(--accent-gold);
    font-weight: 500;
}

.no-results-row {
    display: none;
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* --- GALLERY SECTION --- */
.gallery {
    position: relative;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.gallery-item {
    height: 250px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(11, 15, 25, 0) 40%, rgba(11, 15, 25, 0.9) 100%);
    opacity: 0;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    z-index: 2;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: var(--accent-gold);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.gallery-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.lightbox-content {
    max-width: 90%;
    max-height: 80%;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.lightbox-caption {
    text-align: center;
    margin-top: 20px;
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 1.25rem;
}

.lightbox-close {
    position: absolute;
    top: 40px;
    right: 40px;
    color: var(--text-primary);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--accent-gold);
}

/* --- CONTACT SECTION --- */
.contact {
    background-color: rgba(15, 22, 36, 0.85);
    position: relative;
    overflow: hidden;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info-text h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method-card {
    display: flex;
    gap: 20px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    transition: var(--transition-normal);
}

.contact-method-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-3px);
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(245, 158, 11, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-method-details h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.contact-method-details p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.contact-method-details a {
    color: var(--text-secondary);
    font-weight: 500;
}

.contact-method-details a:hover {
    color: var(--accent-gold);
}

/* Form Styling */
.contact-form-wrapper {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.contact-form-wrapper h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 14px 18px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-normal);
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.12);
}

.form-error {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 4px;
    display: none;
}

.form-success-msg {
    display: none;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-weight: 500;
    text-align: center;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
    cursor: pointer;
}

/* Map Section */
.map-section {
    padding: 0;
    height: 450px;
}

.map-section iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: invert(90%) hue-rotate(180deg) contrast(95%);
}

/* --- FOOTER --- */
footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-about .footer-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 20px;
    margin-bottom: 24px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 38px;
    height: 38px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.social-link:hover {
    background-color: var(--accent-gold);
    color: var(--bg-primary);
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-links-col h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 24px;
    font-weight: 600;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

.footer-links-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-gold);
}

.footer-links-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-col ul a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links-col ul a:hover {
    color: var(--accent-gold);
    padding-left: 6px;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.footer-contact-item span.icon {
    color: var(--accent-gold);
    margin-top: 3px;
}

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

.footer-contact-item a {
    color: var(--text-secondary);
}

.footer-contact-item a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a:hover {
    color: var(--accent-gold);
}

/* --- ANIMATIONS & INTERSECTION OBSERVER --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Keyframes */
@keyframes zoom-out {
    0% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes scroll-anim {
    0% {
        opacity: 0;
        top: 8px;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        top: 24px;
    }
}

/* --- MEDIA QUERIES --- */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3.25rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .process-interactive-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .process-display-panel {
        position: static;
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    header {
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-primary);
        z-index: 999;
        transition: var(--transition-normal);
        padding: 40px 24px;
        border-top: 1px solid var(--border-color);
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
        width: 100%;
    }
    
    nav ul a {
        font-size: 1.25rem;
        display: block;
        width: 100%;
    }
    
    .nav-cta {
        display: block;
        text-align: center;
        margin-top: 20px;
    }
    
    /* Mobile burger active states */
    .mobile-nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .clients-table-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}