/* ==========================================================================
   H. H. Knitfab Pvt Ltd (Fab-Ezy®) - Design System & Global Stylesheet
   ========================================================================== */

/* --- Google Fonts --- */
@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');

/* --- Root Variables (Design Tokens) --- */
:root {
    /* Color Palette - Nordic Industrial Dark Mode */
    --color-primary: #6a94b0;        /* Dusty Steel Blue */
    --color-primary-light: #0c121e;  /* Midnight Panel background */
    --color-primary-tint: #4d7a97;   /* Dusty Blue hover states */
    --color-accent: #f59e0b;         /* Energetic Amber Gold */
    --color-accent-hover: #d97706;   /* Rich Gold hover */
    --color-accent-light: #271c08;   /* Amber tint for badges/highlights */
    --color-text-dark: #f8fafc;      /* Off-white for high-contrast Headings */
    --color-text-muted: #cbd5e1;     /* Soft slate grey for readable body copy */
    --color-text-light: #94a3b8;     /* Muted slate for captions */
    --color-bg-white: #0b0f17;       /* Midnight Charcoal main body background */
    --color-bg-light: #070a10;       /* Darker charcoal for section backdrops */
    --color-bg-alt: #131924;         /* Slate Charcoal for cards and details */
    --color-border: #1e293b;         /* Subtle dark slate border */
    --color-whatsapp: #25d366;       /* WhatsApp Brand Color */
    --color-success: #16a34a;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Shadow Definitions - Adjusted for Dark Mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    
    /* Layout Dimensions */
    --max-width: 1280px;
    --header-height: 110px;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    background-color: var(--color-bg-white);
    overflow-x: hidden;
}

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

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
}

/* Heading Underline Accent decoration */
h2.decorated::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin-top: 0.5rem;
    border-radius: 2px;
}

h2.decorated.center::after {
    margin: 0.5rem auto 0 auto;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

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

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* --- Layout Utility Classes --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

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

.section-bg-dark {
    background-color: var(--color-primary);
    color: #ffffff;
}

.section-bg-dark h2,
.section-bg-dark h3 {
    color: #ffffff;
}

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

.flex {
    display: flex;
}

.grid {
    display: grid;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* --- UI Buttons & CTA Elements --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #ffffff;
}

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

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

.btn-secondary:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-primary-tint);
    transform: translateY(-2px);
}

.btn-outline-white {
    background-color: transparent;
    border-color: #ffffff;
    color: #ffffff;
}

.btn-outline-white:hover {
    background-color: #ffffff;
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* --- Badges / Labels --- */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 50px;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.badge-dark {
    background-color: var(--color-primary-light);
    color: #ffffff;
}

/* --- Header & Navigation Bar --- */
header {
    background-color: #ffffff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid #e2e8f0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    gap: 3rem;
}

/* Modern Branding Typography logo - fits natively on the white header */
.logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-speed) ease;
    flex-shrink: 0;
}

.logo:hover {
    transform: translateY(-1px) scale(1.02);
}

.logo img {
    height: 81px !important;
    width: auto !important;
    display: block;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-accent);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-family: var(--font-heading);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: #ffffff;
    letter-spacing: 0.05em;
}

.logo-text span {
    color: var(--color-accent);
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.75rem;
}

.nav-links a {
    color: #1e293b;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-heading);
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-speed) ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed) ease;
}

.nav-links a:hover {
    color: var(--color-accent);
}

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

.nav-links a.active {
    color: var(--color-accent);
    font-weight: 700;
}

.nav-cta {
    display: flex;
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #1e293b;
    transition: all var(--transition-speed) ease;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background-color: var(--color-primary-light);
    z-index: 99;
    padding: 6rem 2rem 2.5rem 2rem;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 1.5rem;
}

.mobile-nav-links a {
    color: #e2e8f0;
    font-size: 1.1rem;
    font-family: var(--font-heading);
    font-weight: 500;
    padding: 0.5rem 0;
    display: block;
    border-bottom: 1px solid var(--color-primary-tint);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: #ffffff;
    border-bottom-color: var(--color-accent);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.95)), url('../assets/hero_bg.jpg') center/cover no-repeat;
    min-height: 80vh;
    display: flex;
    align-items: center;
    color: #ffffff;
    padding: 4rem 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.hero-title span {
    color: var(--color-accent);
    display: block;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    font-weight: 300;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Floating visuals on Hero Right */
.hero-visual {
    position: relative;
    animation: fadeIn 1.2s ease-out forwards;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 3px solid rgba(255, 255, 255, 0.1);
}

.hero-image-wrapper img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    filter: brightness(0.9);
}

.hero-floating-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: rgba(12, 18, 30, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 250px;
}

.hero-floating-card .icon-wrapper {
    background-color: var(--color-accent);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-floating-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
}

.hero-floating-card p {
    font-size: 0.8rem;
    color: var(--color-text-dark);
}

/* --- Grid List & Cards Styling --- */
.card-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.card-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

/* Custom Premium Cards */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-tint);
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 240px;
    background-color: var(--color-bg-alt);
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

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

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

/* --- Fabric Specs Table Grid --- */
.spec-list {
    list-style: none;
    margin-bottom: 1.25rem;
    border-top: 1px dashed var(--color-border);
    padding-top: 0.75rem;
}

.spec-list li {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--color-bg-light);
}

.spec-label {
    font-weight: 600;
    color: var(--color-text-dark);
}

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

/* --- Features Grid (Why Choose Us) --- */
.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-box {
    background-color: var(--color-bg-white);
    padding: 2.25rem 1.75rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition-speed) ease;
}

.feature-box:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    transition: all var(--transition-speed) ease;
}

.feature-box:hover .feature-icon {
    background-color: var(--color-accent);
    color: #ffffff;
}

/* --- Manufacturing Process Area --- */
.process-flow {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 4rem;
    flex-wrap: wrap;
    gap: 2rem;
}

/* Horizontal line representing factory flow */
.process-flow::after {
    content: '';
    position: absolute;
    top: 30px;
    left: 5%;
    right: 5%;
    height: 2px;
    background-color: var(--color-border);
    z-index: 1;
}

.process-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.process-number {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto 1.25rem auto;
    border: 4px solid var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) ease;
}

.process-step:hover .process-number {
    background-color: var(--color-accent);
    transform: scale(1.1);
}

.process-step h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* --- Industries We Serve --- */
.industry-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.industry-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all var(--transition-speed) ease;
}

.industry-card:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-5px);
}

.industry-card svg {
    width: 48px;
    height: 48px;
    stroke: var(--color-accent);
    margin-bottom: 1.25rem;
    transition: all var(--transition-speed) ease;
}

.industry-card:hover svg {
    stroke: #ffffff;
}

.industry-card h4 {
    font-size: 1.1rem;
    transition: color var(--transition-speed) ease;
}

.industry-card:hover h4 {
    color: #ffffff;
}

/* --- Testimonials Section --- */
.testimonial-slider {
    max-width: 800px;
    margin: 3rem auto 0 auto;
    text-align: center;
}

.testimonial-slide {
    padding: 2rem;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.testimonial-quote {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-dark);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-company {
    font-size: 0.85rem;
    color: var(--color-accent);
}

/* --- Certifications Trust Block --- */
.certifications-section {
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-light);
}

.certifications-flex {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.cert-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-bg-alt);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.cert-logo-icon {
    width: 32px;
    height: 32px;
    fill: var(--color-accent);
}

.cert-text h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
}

.cert-text p {
    font-size: 0.7rem;
    color: var(--color-text-light);
}

/* --- B2B Lead Forms & Inputs --- */
.lead-form-box {
    background-color: var(--color-bg-white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.form-control {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    transition: all var(--transition-speed) ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-white);
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.15);
}

/* Form Validation styling */
.form-control.error {
    border-color: #ef4444;
}

.form-error-msg {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}

/* --- Products Page Filters & Dynamic Navigation --- */
.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

/* --- Sticky Bottom / Side Action Bars --- */
.sticky-actions {
    position: fixed;
    right: 25px;
    bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 90;
}

.action-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: none;
    position: relative;
}

.action-btn:hover {
    transform: scale(1.1);
}

.whatsapp-btn {
    background-color: var(--color-whatsapp);
}

.inquiry-trigger-btn {
    background-color: var(--color-accent);
}

/* Text Tooltips for Actions */
.action-tooltip {
    position: absolute;
    right: 70px;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    pointer-events: none;
    box-shadow: var(--shadow-md);
}

.action-btn:hover .action-tooltip {
    opacity: 1;
    visibility: visible;
    right: 65px;
}

/* --- Interactive Popups / Modals --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem 1.5rem;
    overflow-y: auto;
}

.modal-overlay.open {
    display: flex;
}

.modal-box {
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius);
    max-width: 650px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    margin: auto;
    animation: zoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition-speed) ease;
    font-size: 1.5rem;
}

.modal-close:hover {
    color: var(--color-text-dark);
}

.modal-header {
    padding: 1.75rem 2rem 0.5rem 2rem;
}

.modal-body {
    padding: 1.5rem 2rem 2rem 2rem;
}

/* Image Zoom Modal specifically for Gallery */
.gallery-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.gallery-zoom-overlay.open {
    display: flex;
}

.gallery-zoom-box {
    max-width: 85%;
    max-height: 85%;
}

.gallery-zoom-box img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 4px;
    box-shadow: var(--shadow-xl);
}

/* --- Quality Lab & Testing Process Table --- */
.quality-table-container {
    overflow-x: auto;
    margin-top: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.quality-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: var(--color-bg-white);
}

.quality-table th {
    background-color: var(--color-primary-light);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 1rem 1.5rem;
    text-transform: uppercase;
}

.quality-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.quality-table tr:last-child td {
    border-bottom: none;
}

.quality-table tr:nth-child(even) {
    background-color: var(--color-bg-light);
}

/* --- Blog Post Layouts --- */
.blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.blog-meta {
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.blog-link {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-link:hover {
    color: var(--color-accent);
}

/* --- Contact Us Page Components --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-text p, .contact-text a {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.map-container {
    height: 350px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-alt);
    margin-top: 2rem;
}

/* --- Footer Area --- */
footer {
    background-color: var(--color-primary-light);
    color: #ffffff;
    padding: 5rem 0 2rem 0;
}

.footer-grid {
    grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin: 1.5rem 0;
}

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

.social-btn {
    width: 36px;
    height: 36px;
    background-color: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: all var(--transition-speed) ease;
}

.social-btn:hover {
    background-color: var(--color-accent);
}

.footer-links-col h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-links-col h4::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--color-accent);
    margin-top: 0.5rem;
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links-col a {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-links-col a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.footer-newsletter p {
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.newsletter-form input {
    flex-grow: 1;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
}

.newsletter-form button {
    background-color: var(--color-accent);
    color: #ffffff;
    border: none;
    padding: 0 1.25rem;
    cursor: pointer;
    font-weight: 600;
}

.newsletter-form button:hover {
    background-color: var(--color-accent-hover);
}

.footer-bottom {
    border-top: 1px solid var(--color-primary-tint);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--color-text-light);
    font-size: 0.85rem;
}

/* --- Page Header Banner (Secondary Hero) --- */
.page-banner {
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), url('../assets/banner_bg.jpg') center/cover no-repeat;
    padding: 6rem 0 4rem 0;
    color: #ffffff;
    text-align: center;
}

.page-banner h1 {
    color: #ffffff;
    font-size: 2.75rem;
    margin-bottom: 0.5rem;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.breadcrumbs a:hover {
    color: #ffffff;
}

/* --- Hardware Accelerated Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* --- Responsive Media Queries (Mobile First) --- */

/* Triggers Hamburger Menu at 1220px to prevent the logo and wide nav links from colliding */
@media (max-width: 1220px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links, .nav-cta {
        display: none;
    }
}

/* Tablets and below (Landscape & Portrait) */
@media (max-width: 1024px) {
    h1 { font-size: 2.25rem; }
    .hero-title { font-size: 2.75rem; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 86px;
    }
    
    .logo {
        padding: 0;
    }
    
    .logo img {
        height: 60px !important;
        width: auto !important;
    }
    
    .section {
        padding: 3.5rem 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-image-wrapper img {
        height: 300px;
    }
    
    .hero-floating-card {
        bottom: -10px;
        left: 10px;
    }
    
    .process-flow::after {
        display: none;
    }
    
    .process-flow {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.25rem; }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
    }
    .filter-tabs {
        flex-direction: column;
        width: 100%;
    }
    .filter-btn {
        width: 100%;
        text-align: center;
    }
}

/* --- Blog Article Detail Page Styles --- */
.blog-post-wrapper {
    max-width: 850px;
    margin: 0 auto;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.blog-post-header {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 2.5rem;
}

.blog-post-header h1 {
    font-size: 2.25rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.blog-post-meta {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.blog-post-meta span {
    color: var(--color-text-light);
}

.blog-post-body {
    line-height: 1.8;
    font-size: 1rem;
    color: var(--color-text-muted);
}

.blog-post-body p {
    margin-bottom: 1.5rem;
}

.blog-post-body h2 {
    font-size: 1.6rem;
    margin: 2.5rem 0 1.25rem 0;
    position: relative;
}

.blog-post-body h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent);
    margin-top: 0.5rem;
    border-radius: 2px;
}

.blog-post-body h3 {
    font-size: 1.25rem;
    margin: 2rem 0 1rem 0;
}

.blog-post-body ul, .blog-post-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.blog-post-body li {
    margin-bottom: 0.5rem;
}

.blog-post-body blockquote {
    background-color: var(--color-primary-light);
    border-left: 4px solid var(--color-accent);
    padding: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.blog-post-body blockquote p:last-child {
    margin-bottom: 0;
}

.blog-post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
}

.blog-post-body th, .blog-post-body td {
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--color-border);
}

.blog-post-body th {
    background-color: var(--color-primary-light);
    color: var(--color-text-dark);
    font-weight: 600;
}

.blog-post-body tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.blog-post-footer {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.blog-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-heading);
    transition: color var(--transition-speed) ease;
}

.blog-back-btn:hover {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .blog-post-wrapper {
        padding: 1.5rem;
    }
    
    .blog-post-header h1 {
        font-size: 1.75rem;
    }
}

/* ==========================================================================
   Subpage Sticky Navigation Bar & Split Visual Sections
   ========================================================================== */

.sub-nav {
    position: sticky;
    top: var(--header-height);
    background-color: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    z-index: 90;
    padding: 0.85rem 0;
    box-shadow: var(--shadow-sm);
    transition: top var(--transition-speed) ease;
}

.sub-nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.sub-nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none; /* Hide scrollbar for Firefox */
}

.sub-nav-links::-webkit-scrollbar {
    display: none; /* Hide scrollbar for Chrome/Safari */
}

.sub-nav-links a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0;
    position: relative;
    transition: color var(--transition-speed) ease;
}

.sub-nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed) ease;
}

.sub-nav-links a:hover {
    color: var(--color-accent);
}

.sub-nav-links a:hover::after {
    width: 100%;
}

/* Offset anchor scrolling targets to prevent overlap with sticky headers */
section[id], div[id].scroll-target {
    scroll-margin-top: calc(var(--header-height) + 60px);
}

/* Alternating Split Layout Sections for Manufacturing / Infrastructure */
.alternating-sections section {
    border-bottom: 1px solid var(--color-border);
}

.alternating-sections section:last-of-type {
    border-bottom: none;
}

/* Responsive Overrides for Subpage Navigation */
@media (max-width: 991px) {
    .sub-nav-links {
        gap: 1.5rem;
        justify-content: flex-start;
        padding: 0 1rem;
        width: 100%;
    }
}

@media (max-width: 768px) {
    section[id], div[id].scroll-target {
        scroll-margin-top: calc(var(--header-height) + 50px);
    }
}