/* ===================================
   BALAJI ENGINEERING - ENHANCED CORPORATE DESIGN
   Modern, Professional Industrial Website
   =================================== */

/* CSS Variables */
:root {
    /* Primary Colors - Professional Navy & Blues */
    --primary-900: #0A2540;
    --primary-800: #0D3A5C;
    --primary-700: #0D4A7C;
    --primary-600: #0E5A9C;
    --primary-500: #1068BD;
    --primary-400: #2080DE;
    --primary-300: #4098F0;
    --primary-200: #70B0FF;
    --primary-100: #A0C8FF;
    
    /* Neutral Colors */
    --neutral-900: #0F172A;
    --neutral-800: #1E293B;
    --neutral-700: #334155;
    --neutral-600: #475569;
    --neutral-500: #64748B;
    --neutral-400: #94A3B8;
    --neutral-300: #CBD5E1;
    --neutral-200: #E2E8F0;
    --neutral-100: #F1F5F9;
    --neutral-50: #F8FAFC;
    
    /* Accent Colors */
    --accent-blue: #2563EB;
    --accent-green: #059669;
    --accent-orange: #EA580C;
    --accent-purple: #7C3AED;
    
    /* Functional Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--neutral-900);
    background: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--neutral-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-fluid {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===================================
   ANNOUNCEMENT BAR
   =================================== */
.announcement-bar {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    color: #ffffff;
    font-size: 0.875rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.announcement-bar .container-fluid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.announcement-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.announcement-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.announcement-item svg {
    opacity: 0.8;
}

.announcement-item a {
    color: #ffffff;
    font-weight: 500;
}

.announcement-item a:hover {
    text-decoration: underline;
}

.announcement-cta .btn-text {
    color: #ffffff;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s ease;
}

.announcement-cta .btn-text:hover {
    transform: translateX(4px);
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.logo-icon svg {
    display: block;
    filter: drop-shadow(0 4px 8px rgba(10, 37, 64, 0.2));
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--neutral-900);
    letter-spacing: -0.02em;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--neutral-700);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-600);
    background: var(--neutral-50);
}

.nav-link.active {
    color: var(--primary-600);
    background: var(--primary-100);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--neutral-700);
    transition: all 0.3s ease;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(14, 90, 156, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 90, 156, 0.4);
}

.btn-secondary {
    background: var(--neutral-100);
    color: var(--neutral-900);
    border-color: var(--neutral-200);
}

.btn-secondary:hover {
    background: var(--neutral-200);
}

.btn-outline {
    background: transparent;
    color: var(--neutral-900);
    border-color: var(--neutral-300);
}

.btn-outline:hover {
    background: var(--neutral-50);
    border-color: var(--neutral-400);
}

.btn-light {
    background: #ffffff;
    color: var(--neutral-900);
    box-shadow: var(--shadow-md);
}

.btn-light:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: var(--neutral-900);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.95) 0%, rgba(13, 74, 124, 0.85) 100%);
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero .container {
    position: relative;
    z-index: 2;
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    color: #ffffff;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(8px);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #A0C8FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-2xl);
    backdrop-filter: blur(12px);
}

.hero-product-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
}

.hero-card-content {
    display: flex;
    justify-content: center;
}

.badge-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-blue {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-green {
    background: #D1FAE5;
    color: var(--success);
}

.badge-safety {
    background: #FEF3C7;
    color: #92400E;
}

/* ===================================
   TRUST SECTION
   =================================== */
.trust-section {
    padding: 3rem 0;
    background: var(--neutral-50);
    border-top: 1px solid var(--neutral-200);
    border-bottom: 1px solid var(--neutral-200);
}

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

.trust-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.trust-item svg {
    flex-shrink: 0;
    color: var(--primary-600);
}

.trust-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 0.25rem;
}

.trust-item p {
    font-size: 0.875rem;
    color: var(--neutral-600);
    margin: 0;
}

/* ===================================
   SECTIONS
   =================================== */
.section {
    padding: 6rem 0;
}

.section-light {
    background: var(--neutral-50);
}

.section-dark {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--neutral-900) 100%);
    color: #ffffff;
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
}

.section-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-header-content {
    flex: 1;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-label-light {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-title-light {
    color: #ffffff;
}

.section-description {
    font-size: 1.125rem;
    color: var(--neutral-600);
    line-height: 1.7;
    max-width: 700px;
}

.section-description-light {
    color: rgba(255, 255, 255, 0.85);
}

/* ===================================
   CATEGORY CARDS
   =================================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.category-card {
    position: relative;
    background: #ffffff;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
}

.category-card:hover::before {
    opacity: 0.5;
}

.category-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.category-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0;
}

.category-content p {
    font-size: 0.9375rem;
    color: var(--neutral-600);
    line-height: 1.6;
    margin: 0;
}

.feature-list-mini {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-list-mini li {
    font-size: 0.875rem;
    color: var(--neutral-700);
    padding-left: 1.25rem;
    position: relative;
}

.feature-list-mini li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-600);
    font-weight: 700;
}

.product-count {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--neutral-100);
    color: var(--neutral-700);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--neutral-50);
    border-radius: var(--radius-md);
    font-weight: 700;
    color: var(--primary-700);
    transition: all 0.3s ease;
}

.category-link:hover {
    background: var(--primary-600);
    color: #ffffff;
}

.category-link svg {
    transition: transform 0.3s ease;
}

.category-link:hover svg {
    transform: translateX(4px);
}

.category-featured {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
    color: #ffffff;
    grid-column: span 1;
}

.category-featured .category-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.category-featured .category-content h3,
.category-featured .category-content p,
.category-featured .feature-list-mini li {
    color: #ffffff;
}

.category-featured .feature-list-mini li::before {
    color: var(--primary-200);
}

.category-featured .category-link {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.category-featured .category-link:hover {
    background: #ffffff;
    color: var(--primary-700);
}

.category-featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   PRODUCT SHOWCASE
   =================================== */
.product-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card-modern {
    background: #ffffff;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-300);
}

.product-image-container {
    position: relative;
    background: var(--neutral-100);
    aspect-ratio: 4/3;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card-modern:hover .product-image {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 1rem;
    background: var(--success);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-category {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0;
}

.product-description {
    font-size: 0.9375rem;
    color: var(--neutral-600);
    line-height: 1.6;
    margin: 0;
}

.product-specs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.spec-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--neutral-100);
    color: var(--neutral-700);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-md);
}

.spec-item svg {
    flex-shrink: 0;
    color: var(--neutral-500);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--primary-600);
    transition: all 0.3s ease;
}

.product-link:hover {
    gap: 0.75rem;
    color: var(--primary-700);
}

/* ===================================
   TWO COLUMN LAYOUT
   =================================== */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.feature-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 1rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-radius: var(--radius-md);
}

.feature-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.feature-content p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.cta-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Column Visual */
.column-visual {
    position: relative;
}

.stats-card {
    position: absolute;
    top: 2rem;
    left: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-2xl);
    backdrop-filter: blur(12px);
    z-index: 10;
    max-width: 280px;
}

.stat-box {
    padding: 1rem 0;
}

.stat-box:not(:last-child) {
    border-bottom: 1px solid var(--neutral-200);
}

.stat-number-large {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-700);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label-large {
    font-size: 0.875rem;
    color: var(--neutral-600);
    font-weight: 600;
}

.column-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

/* ===================================
   INDUSTRIES GRID
   =================================== */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.industry-card {
    position: relative;
    background: #ffffff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.industry-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.industry-card:hover .industry-image {
    transform: scale(1.1);
}

.industry-content {
    padding: 1.5rem;
    background: #ffffff;
}

.industry-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 0.5rem;
}

.industry-content p {
    font-size: 0.9375rem;
    color: var(--neutral-600);
    margin: 0;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
    color: #ffffff;
}

.cta-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
}

.cta-content {
    flex: 1;
    min-width: 300px;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

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

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--neutral-900);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
}

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

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

.footer-about {
    max-width: 400px;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.footer-certifications {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.cert-badge {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

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

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--primary-400);
    margin-top: 0.125rem;
}

.contact-item strong {
    display: block;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    line-height: 1.6;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.7);
}

.contact-item a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    gap: 2rem;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

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

.footer-links-inline a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links-inline a:hover {
    color: #ffffff;
}

.footer-bottom-right p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .two-column-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }
    
    .announcement-content {
        gap: 1rem;
    }
    
    .desktop-only {
        display: none;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        border-top: 1px solid var(--neutral-200);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }
    
    .stat-divider {
        display: none;
    }
    
    .category-grid,
    .product-showcase,
    .trust-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-card {
        position: relative;
        top: 0;
        left: 0;
        margin-bottom: 2rem;
        max-width: 100%;
    }
    
    .cta-container {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-actions {
        justify-content: center;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-left {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 3rem 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-600);
}

.text-muted {
    color: var(--neutral-600);
}

.text-light {
    color: rgba(255, 255, 255, 0.9);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }