/* ================================================
   NEXUS BILISIM - Main Stylesheet
   Ultron.com.tr inspired design
   ================================================ */

/* ================================================
   CSS Variables / Design Tokens
   ================================================ */
/* Brand Asset Colors Shift */
.logo-img, .loader-logo, .footer-logo img {
    filter: brightness(0) saturate(100%) invert(21%) sepia(91%) saturate(6144%) hue-rotate(356deg) brightness(91%) contrast(116%);
}

.logo-white-img {
    filter: brightness(0) invert(1);
}

:root {
    /* Primary Colors - Nexus Brand */
    --primary-light: #ef4444;
    --primary: #dc2626;
    --primary-dark: #991b1b;
    --navy: #0f172a;
    --navy-light: #1e293b;

    /* Secondary Colors */
    --accent: #f87171;
    --accent-light: #fca5a5;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* 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;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

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

/* ================================================
   Utility Classes
   ================================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--accent-light), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================================
   Preloader
   ================================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--navy), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-logo {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    animation: pulse 1.5s infinite;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* ================================================
   Header
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header.scrolled .header-top {
    display: none;
}

.header-top {
    background: var(--navy);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

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

.header-top-left {
    display: flex;
    gap: var(--spacing-xl);
}

.header-top-left a {
    color: var(--gray-300);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-top-left a:hover {
    color: var(--accent);
}

.header-top-right {
    display: flex;
    gap: var(--spacing-md);
}

.header-top-right .social-link {
    color: var(--gray-400);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.header-top-right .social-link:hover {
    background: var(--accent);
    color: var(--white);
}

/* Navbar */
.navbar {
    background: transparent;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
}

.header.scrolled .navbar {
    padding: var(--spacing-sm) 0;
}

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

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

.logo-img {
    height: 50px;
    width: auto;
}

.header.scrolled .logo-img {
    height: 40px;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.header.scrolled .nav-link {
    color: var(--gray-700);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

.nav-link i {
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link i {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

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

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: var(--gray-50);
    color: var(--primary);
    padding-left: var(--spacing-xl);
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.header.scrolled .mobile-menu-btn span {
    background: var(--gray-700);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(220, 38, 38, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(220, 38, 38, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

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

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px 0 rgba(220, 38, 38, 0.4);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--navy) 0%, var(--primary-dark) 50%, var(--navy-light) 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--accent);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title span {
    display: block;
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-300);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--white);
}

.stat-suffix {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    margin-top: var(--spacing-xs);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

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

.hero-mascot {
    max-width: 100%;
    max-height: 500px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    position: relative;
    z-index: 2;
}

.hero-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.4; }
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: var(--font-size-lg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ================================================
   Section Styles
   ================================================ */
section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(248, 113, 113, 0.1));
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ================================================
   Partners Section
   ================================================ */
.partners {
    background: var(--gray-50);
    padding: var(--spacing-3xl) 0;
}

.partners-slider {
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.partners-track {
    display: flex;
    gap: var(--spacing-3xl);
    animation: scroll 30s linear infinite;
}

.partner-logo {
    flex-shrink: 0;
    width: 150px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-logo img {
    max-width: 120px;
    max-height: 50px;
    object-fit: contain;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ================================================
   Services Section
   ================================================ */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(248, 113, 113, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.service-icon i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.service-list {
    margin-bottom: var(--spacing-lg);
}

.service-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.service-list li i {
    color: var(--success);
    font-size: var(--font-size-xs);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.service-link:hover {
    gap: var(--spacing-md);
}

/* ================================================
   Sectors Section
   ================================================ */
.sectors {
    background: linear-gradient(135deg, var(--navy) 0%, var(--primary-dark) 100%);
}

.sectors .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-light);
}

.sectors .section-title {
    color: var(--white);
}

.sectors .section-description {
    color: var(--gray-300);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.sector-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.sector-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.sector-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.sector-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.sector-card h3 {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.sector-card p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

/* ================================================
   About Section
   ================================================ */
.about {
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.about-content .section-badge {
    margin-bottom: var(--spacing-md);
}

.about-content .section-title {
    margin-bottom: var(--spacing-lg);
}

.about-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.feature-item i {
    color: var(--success);
}

/* About Stats */
.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.stats-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.stat-box i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.stat-content .stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--navy);
    display: block;
}

.stat-content .stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.expertise-card {
    background: linear-gradient(135deg, var(--navy), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    color: var(--white);
}

.expertise-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.expertise-card h3 i {
    color: var(--accent);
}

.expertise-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

.expertise-list li:last-child {
    border-bottom: none;
}

.expertise-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ================================================
   References Section
   ================================================ */
.references {
    background: var(--white);
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-lg);
}

.reference-logo {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    transition: all var(--transition-base);
}

.reference-logo:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.reference-logo img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.reference-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ================================================
   CTA Section
   ================================================ */
.cta {
    position: relative;
    padding: var(--spacing-4xl) 0;
    overflow: hidden;
}

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

.cta-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.cta-content {
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ================================================
   Contact Section
   ================================================ */
.contact {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
}

.contact-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: var(--font-size-xl);
}

.contact-details h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

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

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.checkbox-label input {
    margin-top: 3px;
}

/* Contact Map */
.contact-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-map iframe {
    display: block;
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background: var(--navy);
    color: var(--gray-300);
}

.footer-main {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 50px;
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

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

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

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links li a {
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer-links li a:hover {
    color: var(--accent);
    padding-left: var(--spacing-sm);
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.footer-contact li i {
    color: var(--accent);
    margin-top: 3px;
}

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

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a:hover {
    color: var(--accent);
}

/* ================================================
   Back to Top Button
   ================================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ================================================
   WhatsApp Button
   ================================================ */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ================================================
   Responsive Design
   ================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

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

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

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

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

/* Mobile */
@media (max-width: 768px) {
    .header-top {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        color: var(--gray-700);
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--gray-100);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        padding-left: var(--spacing-lg);
    }

    .nav-item.active .dropdown-menu {
        display: block;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-actions .btn {
        display: none;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

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

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .stats-card {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .cta-content h2 {
        font-size: var(--font-size-2xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .whatsapp-btn {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* ================================================
   Page Header (Alt Sayfalar)
   ================================================ */
.page-header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--primary-dark) 100%);
    padding: 140px 0 60px;
    text-align: center;
    color: var(--white);
}

.page-header-content h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.page-header-content p {
    font-size: var(--font-size-lg);
    color: var(--gray-300);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.breadcrumb a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

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

.breadcrumb span:last-child {
    color: var(--accent);
}

/* ================================================
   Values Section (Hakkımızda Sayfası)
   ================================================ */
.values {
    background: var(--white);
    padding: var(--spacing-4xl) 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.value-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.value-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.value-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

/* ================================================
   Sectors Page (Sektörler Sayfası)
   ================================================ */
.sectors-page {
    background: var(--gray-50);
    padding: var(--spacing-4xl) 0;
}

.sectors-grid-large {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.sector-card-large {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    display: flex;
    gap: var(--spacing-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
}

.sector-card-large:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.sector-card-large .sector-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sector-card-large .sector-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.sector-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.sector-content p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.sector-content ul {
    margin-bottom: var(--spacing-lg);
}

.sector-content ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.sector-content ul li i {
    color: var(--success);
    font-size: var(--font-size-xs);
}

/* Responsive for new sections */
@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sectors-grid-large {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 40px;
    }

    .page-header-content h1 {
        font-size: var(--font-size-2xl);
    }

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

    .sector-card-large {
        flex-direction: column;
        text-align: center;
    }

    .sector-card-large .sector-icon {
        margin: 0 auto;
    }
}

/* ================================================
   Image Cards & Professional Images
   ================================================ */
.image-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

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

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    height: 400px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xl);
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    color: var(--white);
}

.sector-card-large .sector-image {
    width: 200px;
    height: 150px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
}

.sector-card-large .sector-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.sector-card-large:hover .sector-image img {
    transform: scale(1.1);
}

.service-card-image {
    height: 160px;
    margin: calc(-1 * var(--spacing-xl));
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.service-card:hover .service-card-image img {
    transform: scale(1.05);
}

.hero-image-section {
    position: relative;
    padding: var(--spacing-4xl) 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-image-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(220, 38, 38, 0.75));
}

.hero-image-section .container {
    position: relative;
    z-index: 1;
}

.contact-hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 300px;
    margin-bottom: var(--spacing-2xl);
}

.contact-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-with-image {
    position: relative;
    background-size: cover;
    background-position: center;
}

.cta-with-image .cta-gradient {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.92) 0%, rgba(153, 27, 27, 0.95) 100%);
}

.page-header-with-image {
    position: relative;
    background-size: cover;
    background-position: center;
}

.page-header-with-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(153, 27, 27, 0.85) 100%);
}

.page-header-with-image .container {
    position: relative;
    z-index: 1;
}

.feature-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.feature-image-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 200px;
    box-shadow: var(--shadow-lg);
}

.feature-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.feature-image-item:hover img {
    transform: scale(1.1);
}

.feature-image-item .feature-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    color: var(--white);
}

.feature-overlay h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-overlay p {
    font-size: var(--font-size-sm);
    color: var(--gray-300);
    margin: 0;
}

@media (max-width: 1024px) {
    .feature-image-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sector-card-large .sector-image {
        width: 150px;
        height: 120px;
    }
}

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

    .about-image {
        height: 250px;
        margin-bottom: var(--spacing-xl);
    }

    .sector-card-large .sector-image {
        width: 100%;
        height: 180px;
        margin-bottom: var(--spacing-md);
    }

    .service-card-image {
        height: 140px;
    }
}

/* ================================================
   Legal Pages (KVKK & Gizlilik Politikası)
   ================================================ */
.legal-content {
    background: var(--white);
    padding: var(--spacing-4xl) 0;
}

.legal-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.legal-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.legal-section h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.legal-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--navy);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-section p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.legal-section ul {
    list-style: none;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-section ul li {
    position: relative;
    color: var(--gray-600);
    line-height: 1.8;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-section ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.legal-section a {
    color: var(--primary);
    transition: color var(--transition-fast);
}

.legal-section a:hover {
    color: var(--accent);
}

.legal-section strong {
    color: var(--navy);
}

@media (max-width: 768px) {
    .legal-content {
        padding: var(--spacing-2xl) 0;
    }

    .legal-section h2 {
        font-size: var(--font-size-lg);
    }
}

/* ================================================
   Language Switcher
   ================================================ */
.language-switcher {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-right: var(--spacing-md);
}

.language-switcher a {
    display: inline-block;
    padding: 4px 8px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.language-switcher a:hover {
    color: var(--primary);
    background: rgba(220, 38, 38, 0.1);
}

.language-switcher a.active {
    color: var(--white);
    background: var(--primary);
}

.header-top-right .language-switcher {
    margin-right: var(--spacing-lg);
}

.header-top-right .language-switcher a {
    color: var(--gray-300);
}

.header-top-right .language-switcher a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.header-top-right .language-switcher a.active {
    color: var(--white);
    background: var(--primary);
}

@media (max-width: 768px) {
    .language-switcher {
        margin-right: var(--spacing-sm);
    }

    .language-switcher a {
        padding: 3px 6px;
        font-size: 10px;
    }
}

/* ================================================
   Blog Section Styles
   ================================================ */
.blog-section {
    padding: var(--spacing-5xl) 0;
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.blog-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.blog-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-content {
    padding: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-meta i {
    color: var(--primary);
}

.blog-card-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-content p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.blog-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

.blog-coming-soon {
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.coming-soon-content i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.coming-soon-content h3 {
    font-size: var(--font-size-2xl);
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.coming-soon-content p {
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto;
}

/* Newsletter Section */
.newsletter-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    color: var(--white);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    outline: none;
}

.newsletter-form input::placeholder {
    color: var(--gray-400);
}

.newsletter-form .btn {
    white-space: nowrap;
    background: var(--navy);
}

.newsletter-form .btn:hover {
    background: var(--navy-light);
}

/* Blog Responsive */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .blog-card-image {
        height: 200px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form .btn {
        width: 100%;
    }
}

/* ================================================
   Blog Article Page Styles
   ================================================ */

/* Blog Header with Image */
.blog-header {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    background-size: cover;
    background-position: center;
    margin-top: 70px;
}

.blog-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(15, 23, 42, 0.3) 100%);
}

.blog-header .container {
    position: relative;
    z-index: 1;
}

.blog-header-content {
    max-width: 900px;
}

.blog-category-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.blog-header-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.blog-meta-header {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    color: var(--gray-300);
    font-size: var(--font-size-sm);
}

.blog-meta-header span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-meta-header i {
    color: var(--accent);
}

/* Blog Article Content */
.blog-article {
    background: var(--gray-50);
    padding: var(--spacing-4xl) 0;
}

.blog-article-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: 0 auto;
}

.blog-article-main {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.blog-featured-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.blog-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-featured-image .image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: var(--gray-300);
    font-size: var(--font-size-xs);
    text-align: right;
}

.blog-article-content {
    padding: var(--spacing-3xl);
}

/* Typography */
.blog-article-content .lead {
    font-size: var(--font-size-xl);
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 2px solid var(--gray-100);
    font-weight: 400;
}

.blog-article-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--navy);
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-lg);
}

.blog-article-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    border-radius: 2px;
}

.blog-article-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--navy);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.blog-article-content p {
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.blog-article-content ul,
.blog-article-content ol {
    margin-bottom: var(--spacing-xl);
    padding-left: 0;
}

.blog-article-content ul li,
.blog-article-content ol li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
    line-height: 1.8;
}

.blog-article-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
}

.blog-article-content ol {
    counter-reset: item;
}

.blog-article-content ol li {
    counter-increment: item;
}

.blog-article-content ol li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 2px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    border-radius: 50%;
    font-size: var(--font-size-xs);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-article-content strong {
    color: var(--navy);
    font-weight: 600;
}

/* Blockquote */
.blog-article-content blockquote {
    position: relative;
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-2xl) var(--spacing-3xl);
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05), rgba(248, 113, 113, 0.05));
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--gray-700);
    line-height: 1.8;
}

.blog-article-content blockquote::before {
    content: '\201C';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 80px;
    color: var(--primary);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

/* Info Box */
.blog-info-box {
    background: linear-gradient(135deg, var(--gray-50), var(--white));
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.blog-info-box.tip {
    border-left: 4px solid var(--success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), var(--white));
}

.blog-info-box.warning {
    border-left: 4px solid var(--warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), var(--white));
}

.blog-info-box.important {
    border-left: 4px solid var(--primary);
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05), var(--white));
}

.blog-info-box-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--navy);
}

.blog-info-box-header i {
    font-size: var(--font-size-lg);
}

.blog-info-box.tip .blog-info-box-header i {
    color: var(--success);
}

.blog-info-box.warning .blog-info-box-header i {
    color: var(--warning);
}

.blog-info-box.important .blog-info-box-header i {
    color: var(--primary);
}

/* Stats Box */
.blog-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.blog-stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-xl);
    color: var(--white);
}

.blog-stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.blog-stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Blog CTA */
.blog-cta {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--navy), var(--primary-dark));
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(248, 113, 113, 0.2) 0%, transparent 70%);
}

.blog-cta h3 {
    font-size: var(--font-size-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.blog-cta p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.blog-cta .btn {
    position: relative;
    z-index: 1;
}

/* Blog Sidebar */
.blog-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.sidebar-widget h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

/* Table of Contents */
.toc-list {
    list-style: none;
}

.toc-list li {
    margin-bottom: var(--spacing-sm);
}

.toc-list a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}

.toc-list a:hover,
.toc-list a.active {
    background: var(--gray-50);
    color: var(--primary);
    border-left-color: var(--primary);
}

/* Author Box */
.author-box {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}

.author-info h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin: 0;
    line-height: 1.5;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.share-btn.twitter {
    background: #1DA1F2;
}

.share-btn.linkedin {
    background: #0A66C2;
}

.share-btn.facebook {
    background: #1877F2;
}

.share-btn.whatsapp {
    background: #25D366;
}

.share-btn.copy {
    background: var(--gray-600);
}

/* Related Posts Widget */
.related-posts-widget li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
}

.related-posts-widget li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.related-posts-widget a {
    display: flex;
    gap: var(--spacing-md);
    color: var(--gray-700);
    transition: color var(--transition-fast);
}

.related-posts-widget a:hover {
    color: var(--primary);
}

.related-post-thumb {
    width: 70px;
    height: 50px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.related-post-info {
    flex: 1;
}

.related-post-info h6 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-post-info span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Tags */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.blog-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.blog-tag:hover {
    background: var(--primary);
    color: var(--white);
}

/* Blog Article Responsive */
@media (max-width: 1024px) {
    .blog-article-wrapper {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }

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

@media (max-width: 768px) {
    .blog-header {
        min-height: 400px;
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }

    .blog-header-content h1 {
        font-size: var(--font-size-3xl);
    }

    .blog-article-content {
        padding: var(--spacing-xl);
    }

    .blog-article-content h2 {
        font-size: var(--font-size-xl);
    }

    .blog-featured-image {
        height: 250px;
    }

    .blog-sidebar {
        grid-template-columns: 1fr;
    }

    .blog-stats-grid {
        grid-template-columns: 1fr;
    }

    .blog-stat-item {
        padding: var(--spacing-lg);
    }

    .blog-stat-number {
        font-size: var(--font-size-3xl);
    }

    .author-box {
        flex-direction: column;
        text-align: center;
    }
}