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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #1e293b;
    --accent-color: #0ea5e9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --status-online: #22c55e;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-white);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* ============================================
PROFESSIONAL CORPORATE HEADER
============================================ */

/* Main Header */
.main-header {
position: fixed;
top: 0;
left: 0;
right: 0;
background: #ffffff;
border-bottom: 1px solid #e5e7eb;
box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
z-index: 1000;
transition: all 0.3s ease;
}

.main-header.scrolled {
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-wrapper {
max-width: 1600px;
margin: 0 auto;
padding: 0 2rem;
display: flex;
align-items: center;
justify-content: space-between;
height: 80px;
gap: 2rem;
}

/* Logo */
.header-logo {
flex-shrink: 0;
}

.logo-link {
text-decoration: none;
display: block;
}

.logo-brand {
font-size: 1.875rem;
font-weight: 900;
color: #1e293b;
letter-spacing: -0.5px;
}

.logo-tld {
color: #2563eb;
}

/* Desktop Navigation */
.header-nav {
flex: 1;
display: none;
}

@media (min-width: 1024px) {
.header-nav {
display: block;
}
}

.nav-list {
display: flex;
align-items: center;
justify-content: center;
gap: 0.25rem;
list-style: none;
margin: 0;
padding: 0;
}

.nav-item {
position: relative;
}

.nav-button {
display: flex;
align-items: center;
gap: 0.375rem;
padding: 0.75rem 1.25rem;
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
background: none;
border: none;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
white-space: nowrap;
font-family: 'Poppins', sans-serif;
}

.nav-button:hover {
background: #f8fafc;
color: #2563eb;
}

.nav-button.active {
background: #eff6ff;
color: #2563eb;
}

.arrow-icon {
font-size: 0.75rem;
transition: transform 0.3s;
}

.nav-item.active .arrow-icon {
transform: rotate(180deg);
}

/* Dropdown Panel */
.nav-dropdown-panel {
position: absolute;
top: calc(100% + 0.5rem);
left: 50%;
transform: translateX(-50%);
background: white;
border-radius: 12px;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
border: 1px solid #e5e7eb;
min-width: 280px;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
z-index: 50;
}

.nav-item.active .nav-dropdown-panel {
opacity: 1;
visibility: visible;
top: calc(100% + 0.25rem);
}

.dropdown-content {
padding: 0.5rem;
}

.dropdown-link {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 0.875rem 1rem;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.dropdown-link:hover {
background: #f8fafc;
}

.dropdown-link i {
font-size: 1.375rem;
color: #2563eb;
flex-shrink: 0;
}

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

.link-text strong {
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
}

.link-text small {
font-size: 0.8125rem;
color: #64748b;
}

/* Mega Dropdown */
.mega-dropdown-panel {
position: absolute;
top: calc(100% + 0.5rem);
left: 50%;
transform: translateX(-50%);
background: white;
border-radius: 16px;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
border: 1px solid #e5e7eb;
min-width: 720px;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
z-index: 50;
}

.nav-item.active .mega-dropdown-panel {
opacity: 1;
visibility: visible;
top: calc(100% + 0.25rem);
}

.mega-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 1.5rem;
padding: 1.5rem;
}

.mega-col {
display: flex;
flex-direction: column;
gap: 0.25rem;
}

.mega-title {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 0.8125rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.5px;
color: #1e293b;
margin-bottom: 0.75rem;
padding-bottom: 0.75rem;
border-bottom: 2px solid #e5e7eb;
}

.mega-title i {
font-size: 1rem;
color: #2563eb;
}

.mega-link {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 0.75rem 0.875rem;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.mega-link:hover {
background: #f8fafc;
}

.mega-link i {
font-size: 1.25rem;
color: #2563eb;
flex-shrink: 0;
}

.link-info {
display: flex;
flex-direction: column;
gap: 0.125rem;
}

.link-info strong {
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
}

.link-info small {
font-size: 0.8125rem;
color: #64748b;
}

/* Action Buttons */
.header-actions {
display: none;
align-items: center;
gap: 0.75rem;
flex-shrink: 0;
}

@media (min-width: 1024px) {
.header-actions {
display: flex;
}
}

.btn-login {
padding: 0.625rem 1.375rem;
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
background: white;
border: 1.5px solid #e5e7eb;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.btn-login:hover {
background: #f8fafc;
border-color: #cbd5e1;
}

.btn-register {
padding: 0.625rem 1.5rem;
font-size: 0.9375rem;
font-weight: 600;
color: white;
background: #2563eb;
border: 1.5px solid #2563eb;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.btn-register:hover {
background: #1d4ed8;
border-color: #1d4ed8;
}

/* Mobile Menu Button */
.mobile-menu-btn {
display: flex;
align-items: center;
justify-content: center;
width: 44px;
height: 44px;
background: #f8fafc;
border: none;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
}

.mobile-menu-btn:hover {
background: #e5e7eb;
}

.menu-icon {
width: 24px;
height: 24px;
fill: #1e293b;
}

@media (min-width: 1024px) {
.mobile-menu-btn {
display: none;
}
}

/* Mobile Overlay */
.mobile-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 9999;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
}

.mobile-overlay.active {
opacity: 1;
visibility: visible;
}

.mobile-menu-content {
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 320px;
max-width: 90%;
background: white;
transform: translateX(100%);
transition: transform 0.3s ease;
display: flex;
flex-direction: column;
overflow-y: auto;
}

.mobile-overlay.active .mobile-menu-content {
transform: translateX(0);
}

/* Mobile Header */
.mobile-menu-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1.5rem;
border-bottom: 1px solid #e5e7eb;
}

.mobile-logo {
font-size: 1.5rem;
font-weight: 900;
color: #1e293b;
}

.mobile-logo span {
color: #2563eb;
}

.mobile-close-btn {
width: 40px;
height: 40px;
display: flex;
align-items: center;
justify-content: center;
background: #f8fafc;
border: none;
border-radius: 8px;
font-size: 1.5rem;
color: #1e293b;
cursor: pointer;
transition: all 0.2s;
}

.mobile-close-btn:hover {
background: #e5e7eb;
}

/* Mobile Menu Body */
.mobile-menu-body {
flex: 1;
padding: 1rem;
display: flex;
flex-direction: column;
gap: 0.5rem;
overflow-y: auto;
}

.mobile-menu-link {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 1rem;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
text-decoration: none;
border-radius: 8px;
transition: all 0.2s;
}

.mobile-menu-link i {
font-size: 1.25rem;
color: #2563eb;
}

.mobile-menu-link:hover {
background: #f8fafc;
}

/* Mobile Menu Group */
.mobile-menu-group {
border-radius: 8px;
overflow: hidden;
}

.mobile-menu-trigger {
width: 100%;
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem;
background: none;
border: none;
font-family: 'Poppins', sans-serif;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
cursor: pointer;
transition: all 0.2s;
border-radius: 8px;
}

.mobile-menu-trigger:hover {
background: #f8fafc;
}

.mobile-menu-trigger span {
display: flex;
align-items: center;
gap: 0.875rem;
}

.mobile-menu-trigger span i {
font-size: 1.25rem;
color: #2563eb;
}

.mobile-menu-trigger > i {
font-size: 1rem;
transition: transform 0.3s;
}

.mobile-menu-group.active .mobile-menu-trigger > i {
transform: rotate(180deg);
}

.mobile-submenu {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
background: #f8fafc;
padding: 0;
}

.mobile-menu-group.active .mobile-submenu {
max-height: 800px;
padding: 0.5rem;
}

.mobile-section-title {
font-size: 0.75rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.5px;
color: #2563eb;
padding: 0.75rem 1rem 0.5rem;
margin-top: 0.25rem;
}

.mobile-submenu-link {
display: flex;
align-items: center;
gap: 0.75rem;
padding: 0.875rem 1rem;
font-size: 0.9375rem;
font-weight: 500;
color: #475569;
text-decoration: none;
border-radius: 6px;
transition: all 0.2s;
}

.mobile-submenu-link i {
font-size: 1.125rem;
color: #2563eb;
}

.mobile-submenu-link:hover {
background: white;
color: #1e293b;
}

/* Mobile Menu Footer */
.mobile-menu-footer {
padding: 1.5rem;
border-top: 1px solid #e5e7eb;
display: flex;
flex-direction: column;
gap: 0.75rem;
}

.mobile-btn-login {
padding: 0.875rem;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
background: white;
border: 1.5px solid #e5e7eb;
border-radius: 8px;
text-align: center;
text-decoration: none;
transition: all 0.2s;
}

.mobile-btn-login:hover {
background: #f8fafc;
}

.mobile-btn-register {
padding: 0.875rem;
font-size: 1rem;
font-weight: 600;
color: white;
background: #2563eb;
border: 1.5px solid #2563eb;
border-radius: 8px;
text-align: center;
text-decoration: none;
transition: all 0.2s;
}

.mobile-btn-register:hover {
background: #1d4ed8;
}

/* Responsive Adjustments */
@media (max-width: 1280px) {
.header-wrapper {
padding: 0 1.5rem;
}

.nav-button {
padding: 0.625rem 1rem;
font-size: 0.875rem;
}

.mega-dropdown-panel {
min-width: 640px;
}
}

@media (max-width: 768px) {
.header-wrapper {
padding: 0 1rem;
height: 70px;
}

.logo-brand {
font-size: 1.5rem;
}

.mobile-menu-content {
width: 280px;
}
}

/* Body Padding for Fixed Header */
body {
padding-top: 80px;
}

@media (max-width: 768px) {
body {
padding-top: 70px;
}
}


/* ============================================
/* Hero Section */
.hero {
    padding: 6rem 1.5rem 4rem;
    background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-50px, 50px) scale(1.1); }
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1.2fr 1fr;
        gap: 5rem;
        align-items: center;
    }
}

.hero-text h1 {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

@media (min-width: 768px) {
    .hero-text h1 {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-text h1 {
        font-size: 3.5rem;
    }
}

.hero-text h1 .highlight {
    color: var(--primary-color);
    display: block;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.hero-feature-item i {
    color: var(--success-color);
    font-size: 1.25rem;
}

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

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

.hero-stats {
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.hero-stats h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.hero-stats p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1.25rem;
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
    border-radius: 16px;
    transition: all 0.3s;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

.stat-item:hover::before {
    opacity: 0.05;
}

.stat-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
}

.stat-item > * {
    position: relative;
    z-index: 1;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Features Section */
.features {
    padding: 5rem 1.5rem;
    background: white;
}

/* Price Comparison Section */
.price-comparison {
    padding: 5rem 1.5rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(14, 165, 233, 0.05) 100%);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .comparison-grid {
        grid-template-columns: 0.8fr 1.2fr;
        gap: 4rem;
    }
}

.comparison-left h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .comparison-left h2 {
        font-size: 2.5rem;
    }
}

.comparison-left p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.comparison-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.25rem;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.comparison-link:hover {
    gap: 0.75rem;
    opacity: 0.8;
}

.comparison-right {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .comparison-right {
        grid-template-columns: 1fr 1fr;
    }
}

.comparison-card {
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.comparison-card-dark {
    background: var(--secondary-color);
    color: white;
}

.comparison-card-light {
    background: white;
}

.comparison-card-light .price-comparison-item {
    background: transparent;
    padding: 0.5rem;
}

@media (min-width: 1024px) {
    .comparison-card-light .price-comparison-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        justify-content: space-between;
    }

    .price-label {
        flex: 0 0 120px;
    }

    .price-bar {
        flex: 1;
    }

    .price-amount {
        flex: 0 0 140px;
    }
}

.comparison-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.comparison-card-light h4 {
    color: var(--secondary-color);
}

.comparison-card p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

.comparison-card-light p {
    color: var(--text-secondary);
    opacity: 1;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 0.9rem;
}

.spec-item span:first-child {
    opacity: 0.8;
}

.spec-value {
    font-weight: 700;
    color: var(--accent-color);
}

.comparison-card hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0;
}

.comparison-card-light hr {
    border-top-color: var(--border-color);
}

.comparison-cta {
    margin-top: 1.5rem;
    text-align: center;
}

.comparison-cta a {
    color: var(--accent-color);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.comparison-cta a:hover {
    color: white;
}

.price-comparison-item {
    display: grid;
    grid-template-columns: 100px 1fr 140px;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.25rem;
    padding: 0.75rem;
    border-radius: 8px;
    background: var(--bg-light);
    transition: all 0.3s;
}

.price-comparison-item:hover {
    background: rgba(37, 99, 235, 0.05);
}

@media (max-width: 767px) {
    .price-comparison-item {
        grid-template-columns: 80px 1fr;
        gap: 0.75rem;
    }

    .price-bar {
        grid-column: 1 / -1;
        order: 3;
    }
}

.price-label {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
}

.price-bar {
    height: 10px;
    background: #e5e7eb;
    border-radius: 50px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.price-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), #64748b);
    border-radius: 50px;
    transition: width 1s ease-out;
    position: relative;
    overflow: hidden;
}

.price-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.price-comparison-item:first-child .price-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.price-amount {
    text-align: right;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.price-amount.highlight {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.price-amount span {
    font-size: 0.75rem;
    opacity: 0.8;
}

.price-note {
    display: block;
    margin-top: 1.5rem;
    font-size: 0.7rem;
    opacity: 0.6;
    line-height: 1.6;
}

/* Features Tabs Section */
.features-tabs {
    padding: 5rem 1.5rem;
    background: white;
}

.tabs-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin: 3rem 0;
    padding: 0.5rem;
    background: var(--bg-light);
    border-radius: 16px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tab-item {
    flex: 1 1 auto;
    min-width: 200px;
    padding: 1rem 1.5rem;
    background: white;
    border: 2px solid transparent;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
}

.tab-item i {
    font-size: 1.25rem;
}

.tab-item:hover {
    background: white;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.tab-item.active i {
    color: white;
}

@media (max-width: 768px) {
    .tabs-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .tab-item {
        min-width: 100%;
        justify-content: flex-start;
        padding: 1rem;
    }
}

.tabs-content {
    max-width: 1400px;
    margin: 0 auto;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .tab-grid {
        grid-template-columns: 1fr 1fr;
        gap: 5rem;
    }
}

.tab-text h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .tab-text h3 {
        font-size: 2.5rem;
    }
}

.tab-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.tab-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.25rem;
    transition: all 0.3s;
    margin-top: 1rem;
}

.tab-cta:hover {
    gap: 0.75rem;
    opacity: 0.8;
}

.tab-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tab-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 16px;
}
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.features-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
    cursor: pointer;
}

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

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
    border: 2px solid rgba(37, 99, 235, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 2rem;
    transition: all 0.3s;
}

.feature-card:hover .feature-icon {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
    padding: 5rem 1.5rem;
    background: var(--bg-light);
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background: white;
    overflow: hidden;
}

.testimonials .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.testimonials-track {
    margin-top: 3rem;
    margin-bottom: 2rem;
    overflow: hidden;
    position: relative;
}

.testimonials-track::before,
.testimonials-track::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.testimonials-track::before {
    left: 0;
    background: linear-gradient(90deg, white, transparent);
}

.testimonials-track::after {
    right: 0;
    background: linear-gradient(270deg, white, transparent);
}

.testimonials-slider {
    display: flex;
    gap: 1.5rem;
    animation: scroll 40s linear infinite;
    width: fit-content;
}

.testimonials-track[data-direction="rtl"] .testimonials-slider {
    animation-direction: reverse;
}

.testimonials-track:hover .testimonials-slider {
    animation-play-state: paused;
}

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

.testimonial-card {
    flex: 0 0 400px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

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

.testimonial-card.logo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    padding: 3rem 2rem;
}

.testimonial-card.logo-card img {
    max-width: 160px;
    max-height: 60px;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity 0.3s;
    filter: grayscale(100%);
}

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

.testimonial-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.quote-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.quote-icon i {
    font-size: 1.5rem;
    color: white;
}

.testimonial-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.author-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.rating {
    display: flex;
    gap: 0.25rem;
}

.rating i {
    font-size: 0.875rem;
    color: #fbbf24;
}

@media (max-width: 640px) {
    .testimonial-card {
        flex: 0 0 320px;
        padding: 1.5rem;
    }

    .testimonial-card.logo-card {
        flex: 0 0 200px;
    }
}

.pricing-grid {
    max-width: 1400px;
    margin: 4rem auto 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 1023px) {
    .pricing-card.featured {
        transform: scale(1);
    }
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.pricing-header p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.pricing-price {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
}

.price-period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin: 1.5rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.pricing-features li i {
    color: var(--success-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.btn-pricing {
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

/* Contact Section */
.contact {
    padding: 5rem 1.5rem;
    background: white;
}

.contact-grid {
    max-width: 1200px;
    margin: 4rem auto 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 2fr;
    }
}

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

.contact-item {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item-content h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--secondary-color);
}

.contact-item-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-form {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background: var(--bg-light);
    color: var(--text-secondary);
}

.footer-social-bar {
    background: white;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
}

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

.social-bar-content > span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.social-links-bar a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
    font-size: 1.25rem;
}

.social-links-bar a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.footer-main {
    padding: 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.footer-column h6 {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 0.9rem;
    display: inline-block;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact .contact-item-footer {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-contact .contact-item-footer i {
    font-size: 1.25rem;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact .contact-item-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.btk-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.footer-bottom-section {
    background: white;
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 0;
    text-align: center;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.footer-brand-logo i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.copyright-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.vat-notice {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
}

@media (max-width: 639px) {
    .social-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-social-bar {
        padding: 1.5rem 0;
    }
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    border: none;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Mobile Responsive Adjustments */
@media (max-width: 767px) {
    .hero {
        padding: 4rem 1rem 3rem;
    }

    .hero-text h1 {
        font-size: 1.875rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .top-bar-content {
        font-size: 0.75rem;
    }

    .stats-grid {
        gap: 0.75rem;
    }

    .stat-item {
        padding: 1.25rem 0.75rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .pricing-card {
        padding: 2rem;
    }

    .contact-form {
        padding: 2rem;
    }
}

/* ============================================
PROFESSIONAL CORPORATE HEADER
============================================ */

/* Main Header */
.main-header {
position: fixed;
top: 0;
left: 0;
right: 0;
background: #ffffff;
border-bottom: 1px solid #e5e7eb;
box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
z-index: 1000;
transition: all 0.3s ease;
}

.main-header.scrolled {
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-wrapper {
max-width: 1600px;
margin: 0 auto;
padding: 0 2rem;
display: flex;
align-items: center;
justify-content: space-between;
height: 80px;
gap: 2rem;
}

/* Logo */
.header-logo {
flex-shrink: 0;
}

.logo-link {
text-decoration: none;
display: block;
}

.logo-brand {
font-size: 1.875rem;
font-weight: 900;
color: #1e293b;
letter-spacing: -0.5px;
}

.logo-tld {
color: #2563eb;
}

/* Desktop Navigation */
.header-nav {
flex: 1;
display: none;
}

@media (min-width: 1024px) {
.header-nav {
display: block;
}
}

.nav-list {
display: flex;
align-items: center;
justify-content: center;
gap: 0.25rem;
list-style: none;
margin: 0;
padding: 0;
}

.nav-item {
position: relative;
}

.nav-button {
display: flex;
align-items: center;
gap: 0.375rem;
padding: 0.75rem 1.25rem;
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
background: none;
border: none;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
white-space: nowrap;
font-family: 'Poppins', sans-serif;
}

.nav-button:hover {
background: #f8fafc;
color: #2563eb;
}

.nav-button.active {
background: #eff6ff;
color: #2563eb;
}

.arrow-icon {
font-size: 0.75rem;
transition: transform 0.3s;
}

.nav-item.active .arrow-icon {
transform: rotate(180deg);
}


/* Dropdown Panel */
.nav-dropdown-panel {
position: absolute;
top: calc(100% + 0.5rem);
left: 50%;
transform: translateX(-50%);
background: white;
border-radius: 12px;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
border: 1px solid #e5e7eb;
min-width: 280px;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
z-index: 50;
}

.nav-item.active .nav-dropdown-panel {
opacity: 1;
visibility: visible;
top: calc(100% + 0.25rem);
}

.dropdown-content {
padding: 0.5rem;
}

.dropdown-link {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 0.875rem 1rem;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.dropdown-link:hover {
background: #f8fafc;
}

.dropdown-link i {
font-size: 1.375rem;
color: #2563eb;
flex-shrink: 0;
}

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

.link-text strong {
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
}

.link-text small {
font-size: 0.8125rem;
color: #64748b;
}

/* Mega Dropdown */
.mega-dropdown-panel {
position: absolute;
top: calc(100% + 0.5rem);
left: 50%;
transform: translateX(-50%);
background: white;
border-radius: 16px;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
border: 1px solid #e5e7eb;
min-width: 720px;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
z-index: 50;
}

.nav-item.active .mega-dropdown-panel {
opacity: 1;
visibility: visible;
top: calc(100% + 0.25rem);
}

.mega-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 1.5rem;
padding: 1.5rem;
}

.mega-col {
display: flex;
flex-direction: column;
gap: 0.25rem;
}

.mega-title {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 0.8125rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.5px;
color: #1e293b;
margin-bottom: 0.75rem;
padding-bottom: 0.75rem;
border-bottom: 2px solid #e5e7eb;
}

.mega-title i {
font-size: 1rem;
color: #2563eb;
}

.mega-link {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 0.75rem 0.875rem;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.mega-link:hover {
background: #f8fafc;
}

.mega-link i {
font-size: 1.25rem;
color: #2563eb;
flex-shrink: 0;
}

.link-info {
display: flex;
flex-direction: column;
gap: 0.125rem;
}

.link-info strong {
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
}

.link-info small {
font-size: 0.8125rem;
color: #64748b;
}

/* Action Buttons */
.header-actions {
display: none;
align-items: center;
gap: 0.75rem;
flex-shrink: 0;
}

@media (min-width: 1024px) {
.header-actions {
display: flex;
}
}

.btn-login {
padding: 0.625rem 1.375rem;
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
background: white;
border: 1.5px solid #e5e7eb;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.btn-login:hover {
background: #f8fafc;
border-color: #cbd5e1;
}

.btn-register {
padding: 0.625rem 1.5rem;
font-size: 0.9375rem;
font-weight: 600;
color: white;
background: #2563eb;
border: 1.5px solid #2563eb;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
}

.btn-register:hover {
background: #1d4ed8;
border-color: #1d4ed8;
}

/* Mobile Menu Button */
.mobile-menu-btn {
display: flex;
align-items: center;
justify-content: center;
width: 44px;
height: 44px;
background: #f8fafc;
border: none;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
}

.mobile-menu-btn:hover {
background: #e5e7eb;
}

.menu-icon {
width: 24px;
height: 24px;
fill: #1e293b;
}

@media (min-width: 1024px) {
.mobile-menu-btn {
display: none;
}
}

/* Mobile Overlay */
.mobile-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 9999;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
}

.mobile-overlay.active {
opacity: 1;
visibility: visible;
}

.mobile-menu-content {
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 320px;
max-width: 90%;
background: white;
transform: translateX(100%);
transition: transform 0.3s ease;
display: flex;
flex-direction: column;
overflow-y: auto;
}

.mobile-overlay.active .mobile-menu-content {
transform: translateX(0);
}

/* Mobile Header */
.mobile-menu-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1.5rem;
border-bottom: 1px solid #e5e7eb;
}

.mobile-logo {
font-size: 1.5rem;
font-weight: 900;
color: #1e293b;
}

.mobile-logo span {
color: #2563eb;
}

.mobile-close-btn {
width: 40px;
height: 40px;
display: flex;
align-items: center;
justify-content: center;
background: #f8fafc;
border: none;
border-radius: 8px;
font-size: 1.5rem;
color: #1e293b;
cursor: pointer;
transition: all 0.2s;
}

.mobile-close-btn:hover {
background: #e5e7eb;
}

/* Mobile Menu Body */
.mobile-menu-body {
flex: 1;
padding: 1rem;
display: flex;
flex-direction: column;
gap: 0.5rem;
overflow-y: auto;
}

.mobile-menu-link {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 1rem;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
text-decoration: none;
border-radius: 8px;
transition: all 0.2s;
}

.mobile-menu-link i {
font-size: 1.25rem;
color: #2563eb;
}

.mobile-menu-link:hover {
background: #f8fafc;
}

/* Mobile Menu Group */
.mobile-menu-group {
border-radius: 8px;
overflow: hidden;
}

.mobile-menu-trigger {
width: 100%;
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem;
background: none;
border: none;
font-family: 'Poppins', sans-serif;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
cursor: pointer;
transition: all 0.2s;
border-radius: 8px;
}

.mobile-menu-trigger:hover {
background: #f8fafc;
}

.mobile-menu-trigger span {
display: flex;
align-items: center;
gap: 0.875rem;
}

.mobile-menu-trigger span i {
font-size: 1.25rem;
color: #2563eb;
}

.mobile-menu-trigger > i {
font-size: 1rem;
transition: transform 0.3s;
}

.mobile-menu-group.active .mobile-menu-trigger > i {
transform: rotate(180deg);
}

.mobile-submenu {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
background: #f8fafc;
padding: 0;
}

.mobile-menu-group.active .mobile-submenu {
max-height: 800px;
padding: 0.5rem;
}

.mobile-section-title {
font-size: 0.75rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.5px;
color: #2563eb;
padding: 0.75rem 1rem 0.5rem;
margin-top: 0.25rem;
}

.mobile-submenu-link {
display: flex;
align-items: center;
gap: 0.75rem;
padding: 0.875rem 1rem;
font-size: 0.9375rem;
font-weight: 500;
color: #475569;
text-decoration: none;
border-radius: 6px;
transition: all 0.2s;
}

.mobile-submenu-link i {
font-size: 1.125rem;
color: #2563eb;
}

.mobile-submenu-link:hover {
background: white;
color: #1e293b;
}

/* Mobile Menu Footer */
.mobile-menu-footer {
padding: 1.5rem;
border-top: 1px solid #e5e7eb;
display: flex;
flex-direction: column;
gap: 0.75rem;
}

.mobile-btn-login {
padding: 0.875rem;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
background: white;
border: 1.5px solid #e5e7eb;
border-radius: 8px;
text-align: center;
text-decoration: none;
transition: all 0.2s;
}

.mobile-btn-login:hover {
background: #f8fafc;
}

.mobile-btn-register {
padding: 0.875rem;
font-size: 1rem;
font-weight: 600;
color: white;
background: #2563eb;
border: 1.5px solid #2563eb;
border-radius: 8px;
text-align: center;
text-decoration: none;
transition: all 0.2s;
}

.mobile-btn-register:hover {
background: #1d4ed8;
}

/* Responsive Adjustments */
@media (max-width: 1280px) {
.header-wrapper {
padding: 0 1.5rem;
}

.nav-button {
padding: 0.625rem 1rem;
font-size: 0.875rem;
}

.mega-dropdown-panel {
min-width: 640px;
}
}

@media (max-width: 768px) {
.header-wrapper {
padding: 0 1rem;
height: 70px;
}

.logo-brand {
font-size: 1.5rem;
}

.mobile-menu-content {
width: 280px;
}
}

/* Body Padding for Fixed Header */
body {
padding-top: 80px;
}

@media (max-width: 768px) {
body {
padding-top: 70px;
}
}


/* ============================================
MOBILE NAVIGATION (OLD STRUCTURE COMPAT)
============================================ */

/* Mobile Nav Overlay */
.mobile-nav {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 9999;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
}

.mobile-nav.active {
opacity: 1;
visibility: visible;
}

.mobile-nav-content {
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 320px;
max-width: 90%;
background: white;
transform: translateX(100%);
transition: transform 0.3s ease;
display: flex;
flex-direction: column;
overflow-y: auto;
}

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

/* Mobile Nav Header */
.mobile-nav-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1.5rem;
border-bottom: 1px solid #e5e7eb;
}

.mobile-logo {
font-size: 1.5rem;
font-weight: 900;
color: #1e293b;
}

.mobile-logo span {
color: #2563eb;
}

/* Mobile Menu List */
.mobile-menu-list {
flex: 1;
padding: 1rem;
list-style: none;
margin: 0;
}

.mobile-menu-list > li {
margin-bottom: 0.5rem;
}

.mobile-menu-list > li > a {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 1rem;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
text-decoration: none;
border-radius: 8px;
transition: all 0.2s;
}

.mobile-menu-list > li > a:hover {
background: #f8fafc;
}

/* Mobile Dropdown Toggle */
.mobile-dropdown-toggle {
width: 100%;
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem;
background: none;
border: none;
font-family: 'Poppins', sans-serif;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
cursor: pointer;
transition: all 0.2s;
border-radius: 8px;
text-decoration: none;
}

.mobile-dropdown-toggle:hover {
background: #f8fafc;
}

.mobile-dropdown-toggle i {
font-size: 1rem;
transition: transform 0.3s;
}

.mobile-menu-list > li.active .mobile-dropdown-toggle i {
transform: rotate(180deg);
}

/* Mobile Dropdown */
.mobile-dropdown {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
background: #f8fafc;
padding: 0;
margin: 0;
list-style: none;
border-radius: 8px;
}

.mobile-menu-list > li.active .mobile-dropdown {
max-height: 800px;
padding: 0.5rem;
margin-top: 0.5rem;
}

.mobile-dropdown a {
display: flex;
align-items: center;
gap: 0.75rem;
padding: 0.875rem 1rem;
font-size: 0.9375rem;
font-weight: 500;
color: #475569;
text-decoration: none;
border-radius: 6px;
transition: all 0.2s;
}

.mobile-dropdown a i {
font-size: 1.125rem;
color: #2563eb;
}

.mobile-dropdown a:hover {
background: white;
color: #1e293b;
}

/* Mobile Auth Buttons */
.mobile-auth-buttons {
padding: 1.5rem;
border-top: 1px solid #e5e7eb;
display: flex;
flex-direction: column;
gap: 0.75rem;
}

.mobile-auth-buttons .btn {
display: flex;
align-items: center;
justify-content: center;
gap: 0.5rem;
padding: 0.875rem;
border-radius: 8px;
font-size: 1rem;
font-weight: 600;
text-decoration: none;
transition: all 0.2s;
}

.mobile-auth-buttons .btn-outline {
color: #1e293b;
background: white;
border: 1.5px solid #e5e7eb;
}

.mobile-auth-buttons .btn-outline:hover {
background: #f8fafc;
}

.mobile-auth-buttons .btn-primary {
color: white;
background: #2563eb;
border: 1.5px solid #2563eb;
}

.mobile-auth-buttons .btn-primary:hover {
background: #1d4ed8;
}

/* Mobile Menu Button (Hamburger) */
.mobile-menu-btn span {
display: block;
width: 24px;
height: 2px;
background: #1e293b;
margin: 5px 0;
transition: all 0.3s;
border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
transform: rotate(-45deg) translate(6px, -6px);
}
/* ============================================
LEGACY HEADER STYLES (Eski Yapı İçin)
============================================ */

/* Top Bar */
.top-bar {
background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
color: white;
padding: 0.5rem 0;
font-size: 0.875rem;
}

.top-bar-content {
max-width: 1400px;
margin: 0 auto;
padding: 0 2rem;
display: flex;
align-items: center;
justify-content: space-between;
}

.status-indicator {
display: flex;
align-items: center;
gap: 0.5rem;
}

.status-dot {
width: 8px;
height: 8px;
background: #10b981;
border-radius: 50%;
animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.5; }
}

.top-bar-contacts {
display: flex;
align-items: center;
gap: 1.5rem;
}

.top-bar-contacts a {
display: flex;
align-items: center;
gap: 0.375rem;
color: white;
text-decoration: none;
transition: opacity 0.2s;
}

.top-bar-contacts a:hover {
opacity: 0.8;
}

.top-bar-contacts i {
font-size: 1rem;
}

/* Main Header */
#header {
background: white;
border-bottom: 1px solid #e5e7eb;
position: sticky;
top: 0;
z-index: 1000;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-main {
max-width: 1400px;
margin: 0 auto;
padding: 0 2rem;
display: flex;
align-items: center;
justify-content: space-between;
height: 80px;
}

/* Logo */
.logo {
display: flex;
align-items: center;
gap: 0.625rem;
text-decoration: none;
font-size: 1.75rem;
font-weight: 900;
color: #1e293b;
transition: transform 0.2s;
}

.logo:hover {
transform: scale(1.02);
}

.logo i {
font-size: 2rem;
color: #2563eb;
}

.logo-text {
letter-spacing: -0.5px;
}

.logo-domain {
color: #2563eb;
}

/* Navigation Menu */
.nav-menu {
display: none;
align-items: center;
gap: 0.25rem;
list-style: none;
margin: 0;
padding: 0;
}

@media (min-width: 1024px) {
.nav-menu {
display: flex;
}
}

.nav-menu > li > a {
display: flex;
align-items: center;
gap: 0.375rem;
padding: 0.75rem 1.25rem;
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
text-decoration: none;
border-radius: 8px;
transition: all 0.2s;
white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
background: #f8fafc;
color: #2563eb;
}

.nav-menu > li > a i {
font-size: 0.875rem;
transition: transform 0.3s;
}

/* Dropdown */
.nav-dropdown {
position: relative;
}

.nav-dropdown:hover .dropdown {
opacity: 1;
visibility: visible;
top: calc(100% + 0.25rem);
}

.nav-dropdown:hover > a i {
transform: rotate(180deg);
}

.dropdown {
position: absolute;
top: calc(100% + 0.5rem);
left: 0;
background: white;
border-radius: 12px;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
border: 1px solid #e5e7eb;
min-width: 260px;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
z-index: 100;
padding: 0.5rem;
}

.dropdown li {
list-style: none;
}

.dropdown li a {
display: flex;
align-items: center;
gap: 0.875rem;
padding: 0.875rem 1rem;
border-radius: 8px;
text-decoration: none;
color: #1e293b;
transition: all 0.2s;
}

.dropdown li a:hover {
background: #f8fafc;
}

.dropdown li a i {
font-size: 1.375rem;
color: #2563eb;
flex-shrink: 0;
}

.dropdown li a div {
display: flex;
flex-direction: column;
gap: 0.125rem;
}

.dropdown li a strong {
font-size: 0.9375rem;
font-weight: 600;
color: #1e293b;
}

.dropdown li a small {
font-size: 0.8125rem;
color: #64748b;
}

/* Dropdown Grid (Geniş Dropdown) */
.dropdown-grid {
min-width: 560px;
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 0.25rem;
}

/* Navigation Buttons */
.nav-buttons {
display: none;
align-items: center;
gap: 0.75rem;
}

@media (min-width: 1024px) {
.nav-buttons {
display: flex;
}
}

.btn {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.625rem 1.25rem;
font-size: 0.9375rem;
font-weight: 600;
border-radius: 8px;
text-decoration: none;
transition: all 0.2s;
border: 1.5px solid transparent;
}

.btn-outline {
color: #1e293b;
background: white;
border-color: #e5e7eb;
}

.btn-outline:hover {
background: #f8fafc;
border-color: #cbd5e1;
}

.btn-primary {
color: white;
background: #2563eb;
border-color: #2563eb;
}

.btn-primary:hover {
background: #1d4ed8;
border-color: #1d4ed8;
}

/* Mobile Menu Button */
.mobile-menu-btn {
display: flex;
flex-direction: column;
gap: 5px;
width: 44px;
height: 44px;
padding: 10px;
background: #f8fafc;
border: none;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
}

.mobile-menu-btn:hover {
background: #e5e7eb;
}

.mobile-menu-btn span {
display: block;
width: 100%;
height: 2px;
background: #1e293b;
border-radius: 2px;
transition: all 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-btn.active span:nth-child(3) {
transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
.mobile-menu-btn {
display: none;
}
}

/* Mobile Navigation */
.mobile-nav {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 9999;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
}

.mobile-nav.active {
opacity: 1;
visibility: visible;
}

.mobile-nav-content {
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 320px;
max-width: 90%;
background: white;
transform: translateX(100%);
transition: transform 0.3s ease;
display: flex;
flex-direction: column;
overflow-y: auto;
}

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

/* Mobile Nav Header */
.mobile-nav-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1.5rem;
border-bottom: 1px solid #e5e7eb;
}

.mobile-logo {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 1.5rem;
font-weight: 900;
color: #1e293b;
}

.mobile-logo i {
font-size: 1.75rem;
color: #2563eb;
}

.mobile-close-btn {
width: 40px;
height: 40px;
display: flex;
align-items: center;
justify-content: center;
background: #f8fafc;
border: none;
border-radius: 8px;
font-size: 1.5rem;
color: #1e293b;
cursor: pointer;
transition: all 0.2s;
}

.mobile-close-btn:hover {
background: #e5e7eb;
}

/* Mobile Menu List */
.mobile-menu-list {
flex: 1;
padding: 1rem;
list-style: none;
margin: 0;
}

.mobile-menu-list > li {
margin-bottom: 0.5rem;
}

.mobile-menu-list > li > a {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem;
font-size: 1rem;
font-weight: 600;
color: #1e293b;
text-decoration: none;
border-radius: 8px;
transition: all 0.2s;
}

.mobile-menu-list > li > a:hover {
background: #f8fafc;
}

/* Mobile Dropdown Toggle */
.mobile-dropdown-toggle {
display: flex !important;
align-items: center;
justify-content: space-between;
width: 100%;
cursor: pointer;
}

.mobile-dropdown-toggle i {
font-size: 1rem;
transition: transform 0.3s;
}

/* Mobile Dropdown */
.mobile-dropdown {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
background: #f8fafc;
border-radius: 8px;
margin-top: 0.5rem;
padding: 0;
}

.mobile-dropdown.active {
max-height: 600px;
padding: 0.5rem;
}

.mobile-dropdown a {
display: flex;
align-items: center;
gap: 0.75rem;
padding: 0.875rem 1rem;
font-size: 0.9375rem;
font-weight: 500;
color: #475569;
text-decoration: none;
border-radius: 6px;
transition: all 0.2s;
}

.mobile-dropdown a i {
font-size: 1.125rem;
color: #2563eb;
}

.mobile-dropdown a:hover {
background: white;
color: #1e293b;
}

/* Mobile Auth Buttons */
.mobile-auth-buttons {
padding: 1.5rem;
border-top: 1px solid #e5e7eb;
display: flex;
flex-direction: column;
gap: 0.75rem;
}

.mobile-auth-buttons .btn {
width: 100%;
justify-content: center;
}

/* Responsive Adjustments */
@media (max-width: 1280px) {
.header-main {
padding: 0 1.5rem;
}

.nav-menu > li > a {
padding: 0.625rem 1rem;
font-size: 0.875rem;
}

.dropdown-grid {
min-width: 480px;
}
}

@media (max-width: 768px) {
.top-bar-content {
padding: 0 1rem;
flex-direction: column;
gap: 0.5rem;
text-align: center;
}

.top-bar-contacts {
flex-wrap: wrap;
justify-content: center;
gap: 1rem;
}

.header-main {
padding: 0 1rem;
height: 70px;
}

.logo {
font-size: 1.5rem;
}

.logo i {
font-size: 1.75rem;
}

.mobile-nav-content {
width: 280px;
}
}

/* Body Padding for Header */
body {
padding-top: 0;
}