/* 
   Ghanshyam Technocast - Premium Styling System
   Theme: Red, White, Grey
   Design Style: Premium 3D, Glassmorphism, Micro-animations, Stylish Typography
*/

/* --- Design Tokens / CSS Variables --- */
:root {
    /* Color Palette */
    --color-bg-dark: #121214;
    --color-bg-light: #f4f5f7;
    --color-bg-card-dark: #1c1c1f;
    --color-bg-card-light: #ffffff;
    
    --color-primary: #d32f2f;      /* Premium Crimson Red */
    --color-primary-hover: #ef5350;/* Lighter Red */
    --color-primary-glow: rgba(211, 47, 47, 0.25);
    
    --color-text-dark: #1a1a1a;
    --color-text-light: #ffffff;
    --color-text-muted: #6e707a;
    --color-text-muted-light: #a0a2ad;
    
    --color-border-light: #e2e4e9;
    --color-border-dark: #2a2a2e;
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Shadows & Depths (3D Effect) */
    --shadow-3d-flat: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-3d-normal: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-3d-premium: 0 20px 35px -10px rgba(0, 0, 0, 0.12), 0 10px 20px -8px rgba(0, 0, 0, 0.08);
    --shadow-3d-hover: 0 30px 50px -15px rgba(0, 0, 0, 0.2), 0 15px 25px -10px rgba(211, 47, 47, 0.15);
    
    --shadow-inset-3d: inset 0 2px 4px rgba(0, 0, 0, 0.06), inset 0 -2px 4px rgba(255, 255, 255, 0.8);
    --shadow-inset-3d-dark: inset 0 2px 4px rgba(0, 0, 0, 0.5), inset 0 -2px 4px rgba(255, 255, 255, 0.05);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    font-family: var(--font-body);
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography System --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-dark);
}

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

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease-out;
}

/* --- Header & Floating Navigation --- */
.header {
    position: fixed;
    top: 20px;
    left: 0;
    right: 0;
    width: calc(100% - 40px);
    max-width: 1440px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    z-index: 999;
    transition: var(--transition-smooth);
}

/* Scroll adaptation of header */
.header.scrolled {
    top: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

/* Logo Design */
.logo {
    display: flex;
    flex-direction: column;
    font-family: var(--font-heading);
    line-height: 1;
}

.logo-red {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--color-primary);
}

.logo-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 3px;
    margin-top: 2px;
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-dark);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

/* Call-to-action Nav Button */
.contact-btn {
    background: var(--color-primary);
    color: var(--color-text-light) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 10px var(--color-primary-glow);
    font-weight: 600;
}

.contact-btn::after {
    display: none;
}

.contact-btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--color-primary-glow);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-dark);
    transition: var(--transition-fast);
}

/* --- Hero Section & Dynamic Slider --- */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-bg-dark);
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slider .slide.active {
    opacity: 1;
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 48px;
    margin-top: 60px;
}

.hero-content {
    color: var(--color-text-light);
}

.hero-content .badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-text-light);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-text-muted-light);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Button UI Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-light);
    box-shadow: 0 8px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(211, 47, 47, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-light);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    border-color: var(--color-text-light);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* 3D Stat Cards in Hero Section */
.hero-stats-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card-3d {
    background: rgba(28, 28, 31, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-3d-normal);
    transition: var(--transition-smooth);
    transform: perspective(800px) rotateY(-10deg);
}

.stat-card-3d:hover {
    transform: perspective(800px) rotateY(0deg) translateY(-5px);
    border-color: var(--color-primary);
    background: rgba(28, 28, 31, 0.85);
    box-shadow: var(--shadow-3d-hover);
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-card-3d h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-light);
}

.stat-card-3d p {
    font-size: 0.9rem;
    color: var(--color-text-muted-light);
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted-light);
    font-size: 0.75rem;
    letter-spacing: 2px;
}

.hero-scroll-indicator .mouse {
    width: 20px;
    height: 32px;
    border: 2px solid var(--color-text-muted-light);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-indicator .wheel {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.6s infinite;
}

@keyframes scroll-wheel {
    0% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0; }
    100% { top: 6px; opacity: 1; }
}

/* --- Section Formatting System --- */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.sub-heading {
    display: inline-block;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
}

.header-line {
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 16px auto 0 auto;
    border-radius: var(--radius-full);
}

/* --- About Section --- */
.about-section {
    background-color: var(--color-bg-light);
}

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

.about-text-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--color-text-dark);
}

.about-text-content p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.features-list {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--color-bg-card-light);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-3d-flat);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* 3D Image Frame */
.about-visual-content {
    display: flex;
    justify-content: center;
}

.image-box-3d {
    position: relative;
    width: 100%;
    max-width: 440px;
    aspect-ratio: 4/5;
    border-radius: var(--radius-lg);
    transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
    transition: var(--transition-smooth);
}

.image-box-3d img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 6px solid var(--color-bg-card-light);
    box-shadow: var(--shadow-3d-premium);
    position: relative;
    z-index: 2;
}

.overlay-box-3d {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border-left: 5px solid var(--color-primary);
    padding: 24px;
    border-radius: var(--radius-md);
    z-index: 3;
    width: 220px;
    box-shadow: var(--shadow-3d-premium);
    transition: var(--transition-smooth);
}

.overlay-box-3d .num {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-primary);
}

.overlay-box-3d .txt {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted-light);
}

.box-shadow-element {
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    opacity: 0.08;
    border-radius: var(--radius-lg);
    z-index: 1;
}

.image-box-3d:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.image-box-3d:hover .overlay-box-3d {
    transform: translate(10px, -10px);
}


/* --- Capabilities Section (3D Tilt Cards) --- */
.capabilities-section {
    background-color: #ffffff;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.capability-card-3d {
    position: relative;
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-3d-normal);
    transition: transform 0.1s ease-out, box-shadow 0.3s ease;
    transform-style: preserve-3d;
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

/* Card hover glow background */
.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(211, 47, 47, 0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: var(--radius-full);
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.capability-card-3d:hover .card-glow {
    opacity: 1;
}

.card-inner {
    position: relative;
    z-index: 2;
    transform: translateZ(30px); /* 3D pop up inside */
}

.capability-card-3d .icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 28px;
    box-shadow: 0 6px 15px rgba(211, 47, 47, 0.3);
}

.capability-card-3d h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.capability-card-3d p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.capability-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--color-border-light);
    padding-top: 20px;
}

.capability-bullets li {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.capability-bullets li i {
    color: var(--color-primary);
    font-size: 1rem;
}

.capability-card-3d:hover {
    box-shadow: var(--shadow-3d-hover);
    border-color: rgba(211, 47, 47, 0.3);
}


/* --- Production Process Section --- */
.process-section {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.process-section .section-header h2 {
    color: var(--color-text-light);
}

/* Timeline Layout */
.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-border-dark);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-hover));
    transition: height 0.1s ease-out;
}

.timeline-item {
    position: relative;
    width: 100%;
    margin-bottom: 48px;
    display: flex;
    justify-content: flex-start;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 10px;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-bg-card-dark);
    border: 3px solid var(--color-border-dark);
    color: var(--color-text-muted-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    z-index: 5;
    transition: var(--transition-smooth);
}

.timeline-item.active .timeline-marker {
    background: var(--color-primary);
    border-color: var(--color-primary-hover);
    color: var(--color-text-light);
    box-shadow: 0 0 15px var(--color-primary);
    transform: translateX(-50%) scale(1.15);
}

.timeline-content-card {
    width: 45%;
    background: var(--color-bg-card-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-3d-normal);
    transition: var(--transition-smooth);
    position: relative;
    transform: translateY(20px);
    opacity: 0.6;
}

.timeline-item.active .timeline-content-card {
    opacity: 1;
    transform: translateY(0);
    border-color: rgba(211, 47, 47, 0.4);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.timeline-content-card h3 {
    color: var(--color-text-light);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.timeline-content-card p {
    color: var(--color-text-muted-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Triangles pointing to line */
.timeline-content-card::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -10px;
    width: 20px;
    height: 20px;
    background: var(--color-bg-card-dark);
    border-right: 1px solid var(--color-border-dark);
    border-top: 1px solid var(--color-border-dark);
    transform: rotate(45deg);
}

.timeline-item:nth-child(even) .timeline-content-card::after {
    left: -10px;
    right: auto;
    border-left: 1px solid var(--color-border-dark);
    border-bottom: 1px solid var(--color-border-dark);
    border-right: 0;
    border-top: 0;
}

.timeline-item.active .timeline-content-card::after {
    border-color: rgba(211, 47, 47, 0.4);
}


/* --- Products Section (3D Card Flips) --- */
.products-section {
    background-color: var(--color-bg-light);
}

/* Products Category Tabs styling */
.products-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.tab-btn {
    background: var(--color-bg-card-light);
    border: 1px solid var(--color-border-light);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-3d-flat);
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-3d-normal);
}

.tab-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-light);
    box-shadow: 0 6px 15px var(--color-primary-glow);
}

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

/* 3D Flip Card structure */
.product-item {
    transition: all 0.5s ease;
}

/* Filter hide state transition */
.product-item.hide {
    display: none;
}

.flip-card-3d {
    background-color: transparent;
    perspective: 1200px;
    height: 380px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.flip-card-3d:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3d-normal);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.flip-card-front {
    background-color: var(--color-bg-card-light);
    display: flex;
    flex-direction: column;
}

.product-img-placeholder {
    height: 250px;
    flex-grow: 0;
    flex-shrink: 0;
    background-color: #ededf0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-primary);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.product-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    z-index: 1;
}

.flip-card-3d:hover .product-card-img {
    transform: scale(1.06);
}

.product-img-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0) 50%, rgba(0,0,0,0.05));
}

.product-info {
    padding: 24px;
    text-align: left;
    background-color: #ffffff;
    border-top: 1px solid var(--color-border-light);
}

.product-info .cat {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.flip-card-back {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    transform: rotateY(180deg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: left;
    border-color: var(--color-border-dark);
}

.flip-card-back h3 {
    color: var(--color-text-light);
    font-size: 1.3rem;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 8px;
}

.flip-card-back p {
    color: var(--color-text-muted-light);
    font-size: 0.85rem;
    line-height: 1.6;
}

.spec-table {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px dashed var(--color-border-dark);
    padding-top: 16px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
}

.spec-row span:first-child {
    color: var(--color-text-muted-light);
}

.spec-row span:last-child {
    font-weight: 600;
    color: var(--color-text-light);
}


/* --- QC Call-out Banner --- */
.qc-banner {
    background-image: linear-gradient(rgba(18, 18, 20, 0.9), rgba(18, 18, 20, 0.9)), url('https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=1200');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 80px 0;
    color: var(--color-text-light);
    border-top: 4px solid var(--color-primary);
    border-bottom: 4px solid var(--color-primary);
}

.qc-wrapper {
    display: flex;
    justify-content: center;
}

.qc-content {
    text-align: center;
    max-width: 800px;
}

.qc-content h2 {
    color: var(--color-text-light);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.qc-content p {
    color: var(--color-text-muted-light);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

.qc-badges {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.qc-badge-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-3d-flat);
}

.qc-badge-item i {
    color: var(--color-primary);
}


/* --- Contact Section (3D Input Forms) --- */
.contact-section {
    background-color: var(--color-bg-card-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    margin-bottom: 50px;
}

/* 3D Details Card */
.contact-info-panel-3d {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-3d-premium);
    border: 1px solid var(--color-border-dark);
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.info-head h3 {
    color: var(--color-text-light);
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.info-head p {
    color: var(--color-text-muted-light);
    font-size: 0.95rem;
}

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

.contact-method-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.contact-method-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(211, 47, 47, 0.4);
    transform: translateX(8px);
}

.icon-box-3d {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px rgba(211, 47, 47, 0.3);
}

.method-details span {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted-light);
}

.method-details strong {
    font-size: 1.1rem;
    font-weight: 700;
}

.method-details a {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
}

.method-details a:hover {
    color: var(--color-primary-hover);
}

.method-details address {
    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-text-muted-light);
    margin-top: 4px;
}

/* 3D Contact Form */
.contact-form-card-3d {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-3d-normal);
}

.contact-form-card-3d h3 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.contact-form-card-3d p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 30px;
}

/* 3D Form Input Group Layout */
.form-group-3d {
    position: relative;
    margin-bottom: 28px;
}

.form-group-3d input, 
.form-group-3d textarea,
.form-group-3d select {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-dark);
    background-color: #ffffff;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-inset-3d);
    outline: none;
    transition: var(--transition-fast);
}

.form-group-3d select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236e707a'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 16px) center;
    background-size: 20px;
}

/* Label styling overlaying the inputs */
.form-group-3d label {
    position: absolute;
    left: 18px;
    top: 14px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
    background: transparent;
}

/* Slide up behavior for float label */
.form-group-3d input:focus ~ label,
.form-group-3d input:not(:placeholder-shown) ~ label,
.form-group-3d textarea:focus ~ label,
.form-group-3d textarea:not(:placeholder-shown) ~ label,
.form-group-3d select:focus ~ label,
.form-group-3d select:valid ~ label {
    top: -10px;
    left: 12px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    background-color: var(--color-bg-light);
    padding: 0 8px;
    border-radius: 4px;
}

/* Focus outline glow and 3D rise */
.form-group-3d input:focus,
.form-group-3d textarea:focus,
.form-group-3d select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px var(--color-primary-glow), var(--shadow-inset-3d);
    background-color: #ffffff;
}

.form-group-3d .border-focus {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.form-group-3d input:focus ~ .border-focus,
.form-group-3d textarea:focus ~ .border-focus,
.form-group-3d select:focus ~ .border-focus {
    width: 100%;
}

/* 3D Submit Button */
.submit-btn-3d {
    width: 100%;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    box-shadow: 0 6px 0 #9f1c1c, 0 10px 20px var(--color-primary-glow);
    position: relative;
    top: 0;
    transition: var(--transition-fast);
}

.submit-btn-3d:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 0 #9f1c1c, 0 12px 25px rgba(211, 47, 47, 0.3);
}

.submit-btn-3d:active {
    top: 4px;
    box-shadow: 0 2px 0 #9f1c1c, 0 4px 10px var(--color-primary-glow);
}

/* Form Submission Alert Overlay */
.success-alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(18, 18, 20, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.success-alert-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.alert-content-3d {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    max-width: 480px;
    text-align: center;
    box-shadow: var(--shadow-3d-hover);
    border: 3px solid var(--color-primary);
    transform: scale(0.8) rotateX(15deg);
    transition: var(--transition-smooth);
}

.success-alert-overlay.active .alert-content-3d {
    transform: scale(1) rotateX(0deg);
}

.success-icon {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    animation: success-bounce 0.8s ease;
}

@keyframes success-bounce {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.15); }
    80% { transform: scale(0.95); }
    100% { transform: scale(1); opacity: 1; }
}

.alert-content-3d h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.alert-content-3d p {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 28px;
}

/* Map Card */
.map-card-3d {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-3d-normal);
    border: 6px solid #ffffff;
    transform: perspective(1000px) rotateX(4deg);
    transition: var(--transition-smooth);
}

.map-card-3d:hover {
    transform: perspective(1000px) rotateX(0deg);
    box-shadow: var(--shadow-3d-premium);
}


/* --- Footer Layout --- */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding-top: 80px;
    border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-border-dark);
}

.footer-logo {
    display: inline-flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.footer-logo .logo-red {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.footer-logo .logo-white {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 3.5px;
    margin-top: 2px;
}

.brand-desc {
    color: var(--color-text-muted-light);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.group-invocation {
    display: inline-block;
    background: rgba(255,255,255,0.05);
    border: 1px dashed rgba(255,255,255,0.1);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
}

.gel-text {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-primary-hover);
}

.footer-col h3 {
    color: var(--color-text-light);
    font-size: 1.15rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-text-muted-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--color-primary-hover);
    transform: translateX(4px);
}

.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact li {
    display: flex;
    gap: 14px;
    color: var(--color-text-muted-light);
    font-size: 0.9rem;
}

.footer-contact li i {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

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

.footer-bottom {
    background-color: #0b0b0c;
    padding: 24px 0;
}

.footer-bottom-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
}

.designer {
    color: var(--color-text-muted);
}


/* --- Dynamic Scroll Reveals & Animation Classes --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Animations for slide-in elements */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

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


/* --- Media Queries (Responsive Styling) --- */
@media (max-width: 1024px) {
    .hero-content-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-stats-grid {
        flex-direction: row;
        justify-content: center;
        width: 100%;
        gap: 16px;
    }
    
    .stat-card-3d {
        transform: none;
        flex-grow: 1;
    }
    
    .stat-card-3d:hover {
        transform: translateY(-5px);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-stats-grid {
        flex-direction: column;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    /* Responsive Navigation Bar Menu toggle */
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 84px;
        left: calc(-100% - 40px);
        width: 100%;
        height: calc(100vh - 84px);
        background: #ffffff;
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        transition: left 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    /* Toggle icon state active */
    .mobile-nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Process timeline mobile scaling */
    .timeline-line {
        left: 20px;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .timeline-content-card {
        width: calc(100% - 60px);
        margin-left: auto;
    }
    
    .timeline-item {
        justify-content: flex-end !important;
    }
    
    .timeline-content-card::after {
        left: -10px !important;
        right: auto !important;
        border-left: 1px solid var(--color-border-dark) !important;
        border-bottom: 1px solid var(--color-border-dark) !important;
        border-right: 0 !important;
        border-top: 0 !important;
    }

    /* Contact Info Panel and Form padding reduction to prevent overflow on mobile and tablet devices */
    .contact-info-panel-3d,
    .contact-form-card-3d {
        padding: 30px 20px;
    }

    .contact-method-card {
        padding: 16px 12px;
        gap: 12px;
    }

    /* Prevent long email links from overflowing on mobile screen sizes */
    .contact-method-card a {
        word-break: break-all;
    }
}

@media (max-width: 576px) {
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .products-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-wrapper {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Container padding adjustment on very small screens */
    .container {
        padding: 0 16px;
    }

    /* Contact Info Panel and Form padding reduction to prevent overflow */
    .contact-info-panel-3d,
    .contact-form-card-3d {
        padding: 20px 16px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .contact-method-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px;
        width: 100%;
        box-sizing: border-box;
    }

    /* Prevent long email links and other fields from overflowing on mobile screen sizes */
    .contact-method-card a,
    .contact-method-card address {
        word-break: break-all;
        white-space: normal;
    }
}

/* --- Dedicated About Page Layout --- */

.page-banner {
    position: relative;
    padding: 160px 0 80px 0;
    background-image: linear-gradient(rgba(18, 18, 20, 0.85), rgba(18, 18, 20, 0.95)), url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?q=80&w=1200');
    background-size: cover;
    background-position: center;
    color: var(--color-text-light);
    border-bottom: 4px solid var(--color-primary);
}

.banner-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-text-light);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.banner-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.banner-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted-light);
    max-width: 600px;
    margin-bottom: 24px;
}

.breadcrumb-trail {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-trail a:hover {
    color: var(--color-primary-hover);
}

.breadcrumb-trail i {
    font-size: 0.75rem;
    color: var(--color-primary);
}

.about-page-details {
    background-color: var(--color-bg-light);
}

.about-detailed-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.about-detail-visual {
    display: flex;
    justify-content: center;
}

.about-detail-text h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.about-detail-text p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.about-matrix-section {
    background-color: #ffffff;
}

.about-matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.matrix-card-3d {
    position: relative;
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-3d-normal);
    transition: transform 0.1s ease-out, box-shadow 0.3s ease;
    transform-style: preserve-3d;
    border: 1px solid var(--color-border-light);
}

.matrix-card-3d:hover {
    box-shadow: var(--shadow-3d-hover);
    border-color: rgba(211, 47, 47, 0.3);
}

.matrix-icon {
    width: 54px;
    height: 54px;
    background: var(--color-primary);
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 24px;
    box-shadow: 0 4px 10px var(--color-primary-glow);
}

.matrix-card-3d h3 {
    font-size: 1.3rem;
    margin-bottom: 14px;
}

.matrix-card-3d p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.quality-assurance-section {
    background-color: var(--color-bg-light);
}

.quality-detailed-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
}

.quality-text-box h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.quality-text-box p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.qa-grid-3d {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.qa-card-mini-3d {
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 20px;
    box-shadow: var(--shadow-3d-flat);
    transition: var(--transition-smooth);
}

.qa-card-mini-3d:hover {
    transform: translateY(-3px) translateX(4px);
    box-shadow: var(--shadow-3d-normal);
    border-color: rgba(211, 47, 47, 0.2);
}

.qa-card-mini-3d i {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--color-bg-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid var(--color-border-light);
}

.qa-card-mini-3d h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.qa-card-mini-3d p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    line-height: 1.5;
}

.quality-visual-box {
    display: flex;
    justify-content: center;
}

.badge-3d-box {
    position: relative;
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border-radius: var(--radius-lg);
    padding: 48px 36px;
    text-align: center;
    box-shadow: var(--shadow-3d-premium);
    border-top: 4px solid var(--color-primary);
    transform: perspective(1000px) rotateY(-6deg) rotateX(4deg);
    transition: var(--transition-smooth);
    max-width: 360px;
}

.badge-3d-box:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.badge-content i {
    font-size: 3.5rem;
    color: var(--color-primary-hover);
    margin-bottom: 20px;
}

.badge-content h3 {
    color: var(--color-text-light);
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.badge-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted-light);
    line-height: 1.6;
}

.leadership-section {
    background-color: #ffffff;
}

.leadership-wrapper {
    display: flex;
    justify-content: center;
}

.leader-card-3d {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 720px;
    box-shadow: var(--shadow-3d-normal);
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out, box-shadow 0.3s ease;
}

.leader-card-3d:hover {
    box-shadow: var(--shadow-3d-hover);
    border-color: rgba(211, 47, 47, 0.2);
}

.leader-card-3d .card-inner {
    display: flex;
    gap: 36px;
    align-items: center;
}

.leader-avatar {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    background: #ffffff;
    border: 4px solid var(--color-primary);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    box-shadow: var(--shadow-3d-flat);
    transition: var(--transition-smooth);
}

.leader-card-3d:hover .leader-avatar {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.15);
}

.leader-info h3 {
    font-size: 1.6rem;
    margin-bottom: 4px;
}

.leader-info .designation {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.leader-info p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.leader-contact-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.contact-bubble {
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dark);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-3d-flat);
}

.contact-bubble i {
    color: var(--color-primary);
}

.contact-bubble:hover {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--color-primary-glow);
}

.contact-bubble:hover i {
    color: var(--color-text-light);
}

/* Responsive Overrides for About Page layout */
@media (max-width: 992px) {
    .about-detailed-grid, 
    .quality-detailed-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-matrix-grid {
        grid-template-columns: 1fr;
    }
    
    .leader-card-3d .card-inner {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .leader-contact-links {
        justify-content: center;
    }
}

/* --- Homepage Portal Elements --- */

.home-portal-section {
    background-color: var(--color-bg-light);
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portal-card-3d {
    position: relative;
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-3d-normal);
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.portal-card-3d:hover {
    box-shadow: var(--shadow-3d-hover);
    border-color: rgba(211, 47, 47, 0.3);
}

.portal-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 24px;
    box-shadow: 0 4px 10px var(--color-primary-glow);
}

.portal-card-3d h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.portal-card-3d p {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.portal-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.portal-link i {
    transition: transform 0.2s ease;
}

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

.portal-link:hover i {
    transform: translateX(6px);
}

/* Responsive Portal layouts */
@media (max-width: 1200px) {
    .portal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portal-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Timeline Visual Animations and Layouts --- */

.timeline-visual-side {
    width: 45%;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateY(30px);
    opacity: 0;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease;
    z-index: 2;
}

.timeline-item.active .timeline-visual-side {
    transform: translateY(0);
    opacity: 1;
}

.timeline-visual-side.left-side {
    padding-right: 40px;
}

.timeline-visual-side.right-side {
    padding-left: 40px;
}

/* CAD Blueprint (Step 1) */
.visual-cad-blueprint {
    position: relative;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(211, 47, 47, 0.08) 0%, rgba(211, 47, 47, 0) 70%);
    border-radius: var(--radius-md);
    border: 1.5px dashed rgba(211, 47, 47, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-3d-flat);
}

.svg-cad-gear {
    width: 100px;
    height: 100px;
}

.rotating-gear-group {
    transform-origin: 50px 50px;
    animation: gear-spin 10s linear infinite;
}

@keyframes gear-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mould Prep Cavity (Step 2) */
.visual-mould-box {
    width: 180px;
    height: 120px;
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-3d-flat);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.svg-mould {
    width: 140px;
    height: 100px;
}

.mold-cavity {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: cavity-glow 3s ease infinite alternate;
}

.timeline-item.active .mold-cavity {
    animation: draw-cavity 2.5s forwards ease, cavity-glow 3s ease infinite alternate 2.5s;
}

@keyframes draw-cavity {
    to { stroke-dashoffset: 0; }
}

@keyframes cavity-glow {
    0% { fill: rgba(211, 47, 47, 0.02); }
    100% { fill: rgba(211, 47, 47, 0.15); }
}

/* Molten Ladle Pouring (Step 3) */
.visual-pouring-ladle {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.svg-pouring {
    width: 120px;
    height: 120px;
    overflow: visible;
}

.ladle-cup {
    transform-origin: 32px 45px;
    animation: ladle-tilt 4s ease-in-out infinite alternate;
}

@keyframes ladle-tilt {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(12deg); }
}

.pouring-stream {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation: pour-flow 2s linear infinite;
}

@keyframes pour-flow {
    0% { stroke-dashoffset: 50; }
    100% { stroke-dashoffset: 0; }
}

/* Sparks falling */
.spark {
    transform-origin: center;
    animation: spark-fall 1.5s linear infinite;
}

.spark-1 { animation-delay: 0.1s; }
.spark-2 { animation-delay: 0.5s; }
.spark-3 { animation-delay: 0.8s; }
.spark-4 { animation-delay: 1.2s; }

@keyframes spark-fall {
    0% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(40px) translateX(-15px) scale(0.3);
        opacity: 0;
        fill: #ffea00;
    }
}

/* Blast Cleaning (Step 4) */
.visual-blast-cleaning {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.svg-blaster {
    width: 120px;
    height: 120px;
    overflow: visible;
}

.raw-casting {
    animation: casting-vibrate 0.2s linear infinite alternate;
}

@keyframes casting-vibrate {
    0% { transform: translate(0.5px, 0.5px) rotate(0deg); }
    100% { transform: translate(-0.5px, -0.5px) rotate(0.2deg); }
}

.blast-part {
    animation: blast-bounce 1.2s ease-in-out infinite alternate;
}

.part-1 { animation-delay: 0.1s; }
.part-2 { animation-delay: 0.3s; }
.part-3 { animation-delay: 0.5s; }
.part-4 { animation-delay: 0.2s; }
.part-5 { animation-delay: 0.4s; }
.part-6 { animation-delay: 0.6s; }

@keyframes blast-bounce {
    0% {
        transform: scale(0.8) translate(0, 0);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.3) translate(6px, -6px);
        opacity: 1;
        fill: var(--color-primary-hover);
    }
}

/* VMC Spindle Tool (Step 5) */
.visual-vmc-spindle {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.svg-spindle {
    width: 120px;
    height: 120px;
    overflow: visible;
}

.spindle-cutter-group {
    animation: spindle-cut 3s ease-in-out infinite alternate;
}

@keyframes spindle-cut {
    0% { transform: translateX(-12px); }
    100% { transform: translateX(12px); }
}

.cutting-wave-1, .cutting-wave-2 {
    stroke-dasharray: 20;
    animation: cut-waves 1.2s linear infinite;
}

@keyframes cut-waves {
    to { stroke-dashoffset: -20; }
}

/* Spectrometer wave (Step 6) */
.visual-spectral-wave {
    width: 180px;
    height: 120px;
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-3d-flat);
    overflow: hidden;
}

.svg-spectrometer {
    width: 160px;
    height: 100px;
    overflow: visible;
}

.wave-line-red {
    stroke-dasharray: 250;
    stroke-dashoffset: 250;
}

.timeline-item.active .wave-line-red {
    animation: draw-wave 3s forwards ease infinite alternate;
}

@keyframes draw-wave {
    0% { stroke-dashoffset: 250; }
    100% { stroke-dashoffset: 0; }
}

.scanner-cursor {
    animation: scan-left-right 4s ease-in-out infinite alternate;
}

.scanner-cursor-dot {
    animation: scan-dot 4s ease-in-out infinite alternate;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes scan-left-right {
    0% { transform: translateX(-35px); }
    100% { transform: translateX(55px); }
}

@keyframes scan-dot {
    0% { transform: translate(-35px, 20px) scale(0.8); }
    30% { transform: translate(-10px, -15px) scale(1.2); }
    70% { transform: translate(25px, 5px) scale(1.1); }
    100% { transform: translate(55px, -20px) scale(0.8); }
}

/* Responsive updates for Timeline Layout with visual side */
@media (max-width: 768px) {
    .timeline-visual-side {
        display: none !important;
    }
}

/* --- Navbar Brand Logo Image Styles --- */
.logo-image-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.navbar-logo-img {
    max-height: 74px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-image-link:hover .navbar-logo-img {
    transform: scale(1.03);
}

/* --- Hero Slider Controls --- */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-full);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-3d-flat);
}

.slider-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary);
    transform: translateY(-50%) scale(1.08);
}

.prev-btn {
    left: 40px;
}

.next-btn {
    right: 40px;
}

.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.slider-dots .dot.active {
    background: var(--color-primary);
    width: 28px;
    box-shadow: 0 0 12px var(--color-primary-glow);
}

/* --- Intro Overview Layout --- */
.intro-overview-section {
    padding: 100px 0;
}

.intro-overview-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 992px) {
    .intro-overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .prev-btn {
        left: 20px;
    }
    
    .next-btn {
        right: 20px;
    }
}

.video-card-3d {
    position: relative;
    width: 100%;
    max-width: 520px;
    height: 290px;
    border-radius: var(--radius-lg);
    border: 6px solid #ffffff;
    box-shadow: var(--shadow-3d-premium);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-6deg) rotateX(4deg);
    transition: var(--transition-smooth);
    background-color: #000000;
    z-index: 2;
}

.video-card-3d:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    box-shadow: var(--shadow-3d-hover);
}

.machinery-video-player {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 6px);
}