/* ============================================
   NERZEN KURUMSAL WEB SİTESİ - PREMIUM CSS
   Modern, Animasyonlu, Holding Havası
   Mobil Responsive - Desktop, Tablet, Mobile
   ============================================ */

   :root {
    /* Colors */
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3385D6;
    --secondary-color: #003D7A;
    --accent-color: #00A3FF;
    --dark-color: #1A1A2E;
    --gray-dark: #2C3E50;
    --gray-medium: #6C757D;
    --gray-light: #ADB5BD;
    --light-color: #F8F9FA;
    --white-color: #FFFFFF;
    --border-color: #E0E6ED;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.20);
    
    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--gray-dark);
    background-color: var(--white-color);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-medium);
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* ============================================
   CONTAINER & GRID
   ============================================ */

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-fluid {
    max-width: 100%;
    padding: 0 2rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -1rem;
}

.col {
    flex: 1;
    padding: 0 1rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white-color);
    z-index: 1000;
    transition: var(--transition-base);
    border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: transparent;
}

.topbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    padding: 0.75rem 0;
    font-size: 0.875rem;
}

.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.topbar a {
    color: var(--white-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.95;
    font-weight: 500;
}

.topbar a:hover {
    opacity: 1;
    transform: translateX(2px);
}

.navbar {
    padding: 1rem 0;
    background: var(--white-color);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

.logo:hover img {
    transform: scale(1.05);
}

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

.nav-item {
    position: relative;
}

.nav-link {
    padding: 0.75rem 1.25rem;
    color: var(--gray-dark);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

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

.nav-link.active {
    color: var(--primary-color);
    background: rgba(0, 102, 204, 0.08);
}

.nav-link i {
    font-size: 1.125rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    min-width: 320px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    margin-top: 0.5rem;
    border: 1px solid var(--border-color);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 1rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: start;
    gap: 1rem;
    transition: var(--transition-base);
    margin-bottom: 0.25rem;
}

.dropdown-item:last-child {
    margin-bottom: 0;
}

.dropdown-item:hover {
    background: var(--light-color);
}

.dropdown-item i {
    font-size: 1.75rem;
    color: var(--primary-color);
    min-width: 28px;
}

.dropdown-item-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.dropdown-item-content p {
    font-size: 0.8125rem;
    color: var(--gray-medium);
    margin: 0;
    line-height: 1.5;
}

.nav-cta {
    margin-left: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
    padding: 0.5rem;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    justify-content: center;
    white-space: nowrap;
}

.btn i {
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.35);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white-color);
}

.btn-primary-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.btn-primary-outline:hover {
    background: var(--primary-color);
    color: var(--white-color);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -8%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 163, 255, 0.07) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite reverse;
}

.hero-dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(0, 102, 204, 0.12) 1.5px, transparent 1.5px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 75%);
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 75%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
}

.hero-subtitle {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 163, 255, 0.1));
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero h1 {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    color: var(--gray-medium);
    line-height: 1.8;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats {
    padding: 4rem 0;
    background: var(--white-color);
    margin-top: -3rem;
    position: relative;
    z-index: 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    background: var(--white-color);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    border-right: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.stat-item:last-child {
    border-right: none;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-color);
    display: block;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--gray-medium);
    font-weight: 500;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: 6rem 0;
    background: var(--white-color);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-subtitle {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 163, 255, 0.1));
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 163, 255, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--gray-medium);
    line-height: 1.7;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--gray-medium);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
}

.service-features li i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-base);
}

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

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: 6rem 0;
    background: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: var(--white-color);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white-color);
    transition: var(--transition-base);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1) rotate(10deg);
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-item p {
    font-size: 0.9375rem;
    color: var(--gray-medium);
    margin: 0;
}

/* ============================================
   SECTORS SECTION
   ============================================ */

.sectors {
    padding: 6rem 0;
    background: var(--white-color);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.sector-card {
    background: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1rem;
    text-align: center;
    transition: var(--transition-base);
}

.sector-card:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-color: transparent;
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.sector-card i {
    font-size: 2.25rem;
    color: var(--primary-color);
    transition: var(--transition-base);
}

.sector-card:hover i {
    color: var(--white-color);
}

.sector-card h4 {
    margin: 1rem 0 0;
    font-size: 0.9375rem;
    transition: var(--transition-base);
}

.sector-card:hover h4 {
    color: var(--white-color);
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process {
    padding: 6rem 0;
    background: var(--light-color);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.process-step {
    background: var(--white-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition-base);
}

.process-step:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.process-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.process-step h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.process-step p {
    font-size: 0.9375rem;
    margin: 0;
}

/* ============================================
   CONTENT SECTION
   ============================================ */

.content-section {
    padding: 6rem 0;
    background: var(--white-color);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-image {
    position: relative;
}

.content-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.content-text h2 {
    margin-bottom: 1.5rem;
}

.content-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-list {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.feature-list-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--light-color);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.feature-list-item:hover {
    background: var(--white-color);
    box-shadow: var(--shadow-sm);
    transform: translateX(5px);
}

.feature-list-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 24px;
}

.feature-list-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature-list-item p {
    font-size: 0.9375rem;
    margin: 0;
    color: var(--gray-medium);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--white-color);
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

.cta .btn-primary {
    background: var(--white-color);
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    background: var(--light-color);
    transform: translateY(-3px);
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
}

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

.page-header h1 {
    color: var(--white-color);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand img {
    height: 45px;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-section h4 {
    color: var(--white-color);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

/* ============================================
   UTILITIES
   ============================================ */

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

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

/* Tablet (992px and below) */
@media (max-width: 992px) {
    .container {
        max-width: 100%;
        padding: 0 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white-color);
        flex-direction: column;
        padding: 2rem;
        transition: var(--transition-base);
        box-shadow: var(--shadow-xl);
        overflow-y: auto;
        align-items: flex-start;
        gap: 0;
        z-index: 9999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link {
        width: 100%;
        justify-content: space-between;
        padding: 1rem;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin: 0;
        padding-left: 1rem;
        display: none;
    }
    
    .nav-item.active .dropdown-menu {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sectors-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .topbar-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .topbar-left, .topbar-right {
        gap: 1rem;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    
    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1.5rem;
    }
    
    .stat-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }

    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

/* Small Mobile (576px and below) */
@media (max-width: 576px) {
    .container, .container-fluid {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 140px 0 60px;
    }
    
    .page-header {
        padding: 140px 0 60px;
    }
    
    .services, .features, .content-section {
        padding: 3rem 0;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .feature-item {
        padding: 2rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

/* Large Desktop (1400px and above) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
}